HuongdanhocHYSIS

8/9/2019 HuongdanhocHYSIS

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Book and software about Petrolchemical, http://www.dhbk02h5.uni.cc/lib/ 1

HNG DN SDNG

PHN MM HYSIS&Http://www.dhbk02h5.uni.cc
http://www.dhbk02h5.uni.cc/lib/http://www.dhbk02h5.uni.cc/http://www.dhbk02h5.uni.cc/http://www.dhbk02h5.uni.cc/lib/


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Mc lc

HNG DN SDNG ________________________________________________ 1PHN M M HYSIS ____________________________________________________ 1

Chng I _____________________________________________________________ 4

TNG QUAN VPHN MM HYSYS ____________________________________ 4

I. Tm quan trng ca cc phn mm m phng. __________________________ 5

II. Gii thiu vphn mm Hysys. _______________________________________ 6

III. ng dng ca Hysys. _____________________________________________ 7

IV. Gii thiu vcu trc ca Hysys.____________________________________ 8

1. Unique Concepts. ______________________________________________________81.1. Flowsheets v Sub-Flowsheets ______________________________________________ 81.2. Environment. ___________________________________________________________ 9

2. Powerful Engineering Tools (Cng C thit k ti u). ______________________10

3. Primary Interface Elements (Nhng yu t tng giao cs). ________________11

Ti liu tham kho_____________________________________________________ 13

Chng II____________________________________________________________ 14

CC THAO TCTIP CN PHN MM HYSYS TRONG M HNH HOTNH________________________________________________________________ 14

I. Cc phm nng dng trong HYSYS.___________________________________ 15II. Btu mt qu trnh m phng._____________________________________ 16

III. Thitt dng v thit b. _________________________________________ 17

IV. PFD __________________________________________________________ 19

V. Workbook. _______________________________________________________ 21

VI. Cung cp dliu u vo. ________________________________________ 23

VII. Tm mt dng hay thit b- Object Navigator _________________________ 25

VIII. Printing._______________________________________________________ 27

IX. Databook.______________________________________________________ 29

Chng III ___________________________________________________________ 33

CC THAO TCTIP CN PHN MM HYSYS TRONG M HNH HONG_______________________________________________________________ 33

I. Nhng khi nim chung vhotng trng thing. ___________________ 34

1. Qu trnh chuyn ttrng thi tnh sang trng thi ng.____________________34
http://www.dhbk02h5.uni.cc/lib/http://www.dhbk02h5.uni.cc/lib/


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1.1. Thm cc n v thit b. _________________________________________________ 341.2. iu chnh kch thc ca cc thit b._______________________________________ 341.3. iu chnh p sut ca thp._______________________________________________ 351.4. Cc thit b ton hc (logical operations). ____________________________________ 361.5. Thm cc chnh p sut-lu lng (Pressure-Flow Specifications)._______________ 361.6. Thc hin bc chuyn i vo mi trng ng.______________________________ 371.7. Troubleshooting (Vic s l s c). _________________________________________ 37

II. Cng c kim tra trc khi chuyn sang trng thing. _________________ 38

1. Dynamics Assistant. ___________________________________________________381.1. General Tab. ___________________________________________________________ 39

III. Integrator. _____________________________________________________ 40

1. General Tab. _________________________________________________________41

2. Options Tab. _________________________________________________________42

IV. Hotng ca thp trong trng thing. ___________________________ 44

1. Chnh p sut lu lng (Pressure Flow Specifications). ___________________44

1.1. Chnh p sut lu lng cho thp (Columns). _______________________________ 441.2. Chnh p sut lu lng cho Condensers v Reboiler. _________________________ 45

2. Khung thuc tnh Column Runner. ______________________________________462.1. Parameters Tab. ________________________________________________________ 462.2. Rating Tab. ____________________________________________________________ 472.3. Dynamics Tab. _________________________________________________________ 482.4. Tray Section.___________________________________________________________ 49

V. PID Controller. ___________________________________________________ 52

1. Connections Tab. _____________________________________________________53

2. Control Valve. ________________________________________________________54

3. Parameters Tab. ______________________________________________________58VI. Controller Face Plate.____________________________________________ 62


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Chng I

TNG QUAN V PHN MM HYSYS


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I. Tm quan trng ca cc phn mm m phng.Du v cc sn phm du m c bit n t xa xa. Mi u con

ngi dng n thp sng hoc cha bnh. Nhu cu v du v sn phm

ch bin t du gia tng t ngt vo u th k XX do s xut hin ca ng ct trong cng nh do s pht trin nhanh chng ca cc ngnh cng nghip. Do

vy, du m v kh t t nhin ngy cng ng vai tr quan trng trong cuc

sng con ngi.

Hin nay, du v kh cng nh cc sn phm ca chng c s dng trong

tt c cc nghnh kinh t th gii. ngha ca du v sn phm ca du c bit

tng nhanh vo nhng nm gn y, nht l sau cuc khng hong nng lng xy

ra ti nhiu nc pht trin.

Du v kh t nhin ngy cng c s dng rng ri khng ch nh mt

cht t truyn thng m cn nh mt dng nguyn liu qu gi cho cng nghip

ho hc. Nh bc hc Nga vi Menlp tng ni rng em du lm cht

t - l ti li, bi du l nguyn liu qu iu ch rt nhiu cc sn phm

ho hc. [1]

p ng nhu cu ngy cng ln cc sn phm du m c v s lng v

cht lng, chng ta phi khng ngng ci tin v cng ngh v phng php sn

xut. V vy, cc cng trnh nghin cu khoa hc, cc d n thit kc tin

hnh, v cng vi s pht trin vt bc ca ngnh cng ngh thng tin, vi

nhng my tnh tc cao, cc hiu hnh siu vit, cc lp trnh vin gp

phn to ln cho s ra i ca cc phn mm m phng.

Trc y ln k hoch cho mt d n i hi rt nhiu thi gian, v kh

nng thc hin d n l kh c th khng th bit trc c. Nhng khi cc

phn mm m phng ra i, th cng vic trnn nh nhng i rt nhiu, chng ta

c th m phng hot ng ca cc nh my trong cc ch vn hnh khc nhau,

thay i cc thng s lm vic ca bt kn v hot ng no m khng nh

hng n qu trnh hot ng chung ca nh my. Ngoi ra, vi nhng tnh nng


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ca cc phm mm m phng ta c th thit kc cc d n khc nhau, tm

c phng n ti u, nhanh, cho kt qu kh quan v t hiu qu kinh t, quan

trng hn na l p dng c cho hu ht cc lnh vc ca nghnh du kh v cc

ngnh cng ngh ho hc, m bo c tnh kh thi cho nhng k hoch ln sc thc hin trong tng lai.

Mt s phn mm m phng: [2]

- Simsci (PRO//II).

- Hyprotech (HYSIM, HYSYS, HTFS, STX/ACX, BDK).

- Bryan research & engineering (PROSIM, TSWEET).

- Winsim (DESIGN II for Windows).

- IDEAS Simulation.- Simulator 42.

- RSI.

- Chemstations.

..

L mt k s cng ngh nghnh lc ho du trong tng lai, mi ngi

trong chng ta nn trang b cho mnh mt phn mm m phng gip cho cng

vic c tt hn.

II. Gii thiu v phn mm Hysys.Hysys l phm mm chuyn dng dng tnh ton v m phng cng

ngh c dng cho ch bin du v kh, trong cc qu trnh x l v ch bin

kh c s dng nhiu nht.

Hysys chy trn Windows l phin bn mi ca Hysim, phn mm ny

trc y dng trn hiu hnh Dos.

Hysys l sn phm ca cng ty Hyprotech-Canada thuc cng ty AEA

Technologie Engineering Software - Hyprotech Ltd. L mt phn mm c kh

nng tnh ton a dng, cho kt qu c chnh xc cao, ng thi cung cp nhiu

thut ton s dng, tr gip trong qu trnh tnh ton cng ngh, kho st cc


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thng s trong qu trnh thit k nh my ch bin kh. Ngoi th vin c sn,

Hysys cho php ngi s dng to cc th vin ring rt thun tin cho vic s

dng. Ngoi ra Hysys cn c kh nng tng tnh ton cc thng s cn li nu

thit lp thng tin. y chnh l im mnh ca Hysys gip ngi s dngtrnh nhng sai st v ng thi c th s dng nhng d liu ban u khc nhau.

Hysys c thit k sdng cho hai trng thi m phng:

Steady Mode: Trng thi tnh, s dng thit k cng ngh cho mt qu

trnh.

Dynamic Mode: Trng thi ng, m phng thit b hay quy trnh trng

thi ang vn hnh lin tc, kho st s thay i cc p ng ca h thng

theo s thay i ca mt vi thng s.

III. ng dng ca Hysys.Hysys bao gm cc ng dng sau:

Hysys.Concept:

Thit k v bo v h thng phn tch mt cch hiu qu nht.

Hysys.Process:

Gim thp nht vn u t v chi ph vn hnh, chn la cch bo qun,

cc c tnh v phn loi thit b, trang b v sa cha cc thit b ci tin qu

trnh hot ng v iu khin nh my.

Hysys.Plant:

S dng cng c m phng a ra cc iu kin thun li, nh gi hot

ng ca nh my hin hnh, trang b cc thit bt c tin cy v hot

ng, an ton, li nhun cao nht. Ci tin cc thit b c sn v mrng quy m

nh my hin hnh.Hysys.OTS:

Nhng qui trnh hng dn hot ng gip ngi vn hnh nm bt v

cng ngh, mc an ton trong hot ng ca nh my, lm theo nhng qui tc

hng dn v an ton v vn hnh tng li nhun.


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Hysys.RTO+:

Ti u hiu qu nh my, chuyn i m hnh sn xut, s dng cng ngh

c sn v tng li nhun trong hot ng bng cch cho php nhng thay i v

cng ngh v sn phm.Economix:

Nhng d liu thu c t m phng l cng c cbn da vo n m

c nhng thng tin xc thc nhm quyt nh v vn u t v xy dng mt

cch c hiu qu nht.

Trong phm vi n ny ta ch s dng Hysys.Plant.

IV. Gii thiu v cu trc ca Hysys.Cu trc cbn ca Hysys c th hin qua ba im quan trng sau:

Unique Concepts (Nhng khi nim duy nht): Mc nh cch m ngi

s dng xy dng mi trng m phng trn Hysys.

Powerful Engineering Tools (Nhng cng c thit k ti u): Quyt nh

cch Hysys thc hin cc php tnh ton.

Primary Interface Elements (Nhng yu t tng giao cs): c dng

gip ngi s dng lm vic vi Hysys.

1.Unique Concepts.Hysys c xy dng da trn rt nhiu khi nim quan trng c th

thc hin hiu qu nht qu trnh m phng. Hai khi nim quan trng nht quyt

nh n cch thc cbn ngi s dng xy dng mt qu trnh m phng

trn Hysys l:

Nhng khi nim v Flowsheet v Sub-Flowsheet.

Nhng khi nim v Environment (Mi trng).

1.1. Flowsheets v Sub-FlowsheetsHysys Flowsheets gm cc thnh phn sau:

- Mt Fluid Package c nhng tnh cht v Package nh thnh phn v

trng thi .v.v.


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- Flowsheet Objects gm nhng thit b v dng vt cht hay dng nng

lng.

- PFD l m phng bng hnh v, ch ra mi lin kt gia cc thit b v

dng vt cht hay dng nng lng.- Workbookl nhng kt qu m phng c xut ra di dng bng (c

mt mn hnh ring biu din cc Flowsheets).

T flowsheets chnh, ta c th dng nhng Sub-Flowsheet vic m t

c r rng hn.

Cu trc c nhiu Flowsheet ca Hysys chng t c u im ca

mnh:

+ Ta c th phn chia mt quy trnh ln thnh nhng quy trnh nh chnhxc hn.

+ C th xy dng mt qu trnh lm mu v s dng cho nhng m hnh

m phng khc.

+ C th to mt Sub-Flowsheet trong mt Sub-Flowsheet khc.

Cu trc c nhiu Flowsheet ca Hysys gn ging vi cu trc th mc,

trong th mc chnh l Flowsheet, th mc con l Sub-Flowsheet v cc file c

ni dung l nhng thng tin v thit b hoc dng vt cht hay dng nng lng.

1.2. Environment.Khi nim cho php ta xut hay nhp nhng thay i trong mt mi trng

ny m cc mi trng khc vn gi nguyn nh khi ta cn trong mi trng .

C 5 Environment trong Hysys:

- Basis (cbn).

Ni to ra, nh ngha hay thay i Fluid Package. Ni chung, mt Fluid

Package s cha ti thiu mt Property Package cng nh thnh phn ca cc cu

t ginh, ngoi ra cn c th cha nhng thng tin v cc thng s tng tc

hay phn ng.

- Oil Characterization (c trng v du).


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Book and software about Petrolchemical, http://www.dhbk02h5.uni.cc/lib/10

Cho php ta c trng ho nhng lu cht du m bng cc nh ngha

nhng Assay v Blend. c trng du cho php to ra cc cu t gi s dng trong

Fluid Package. Mi trng du l duy nht c thn t Basic mi trng.

- Main Flowsheet(Flowsheet chnh).y l mi trng m phn ln ta s s dng ci t hay nh ngha cc

dng hay thit b v Sub-Flowsheet.

- Sub-Flowsheet.

Chc nng tng t nh Main Flowsheet, nhng mc nh hn.

Column (thp).

nh ngha hay ci t nhng dng v thit b lin quan n thp chng ct nh

sa, thit b ngng tu, thit bun si liMi lin h gia cc mi trng trong Hysys:

2.Powerful Engineering Tools (Cng C thit k ti u).Hysys cho php ta tit kim rt nhiu thi gian khi tin hnh thao tc m

phng v tnh ton, iu ny c th hin r qua ba im sau:

Bt c khi no ta a vo mt thng tin mi, Hysys s t ng tnh li tt c

nhng nh hng ca thng s ny v a ra nhng thng tin cp nht nht mi

v tr.

Khi a vo thng tin cn thit, Hysys s tng tnh rt nhanh.

Kt quc truy xut theo hai chiu (trc v sau).


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3.Primary Interface Elements (Nhng yu t tng giao cs).

C rt nhiu cch truy cp thng tin trong Hysys v cc thng tin lun

c cp nht. Ba yu t tng giao csl:

- PFD (Process Flow Diagram): L s m t qu trnh m phng bng

hnh v, biu din nhng mi lin h gia cc dng v thit b. Ta c th dng

PFD xy dng hay kim tra nhng tnh ton ca mnh v a ra nhng thng

tin v qu trnh bng cch dng cc bng cn bng vt cht (Materiel Balance

Tables).

- Workbook: l tp hp ca nhiu trang trnh by nhng thng tin v qu

trnh di dng bng. Mi trang sa ra nhng thng tin c th v mt dng hay

thit b no .

- Property View (khung thuc tnh): gm nhiu khung thuc tnh ca cc

dng hay thit b.

Thng tin gia nhng yu t trn l ging nhau hon ton, nn ta c th

truy cp u thun tin nht.


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ngha ca cc biu tng trn Object Palette.


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Ti liu tham khoTi liu tham kho :

www.simsci.com

www.hyprotech.com

www.aspectec.com

www.bre.com

www.ideas-simulation.com

www.sim42.com

www.prosim.net

www.rsi-france.com

www.cit-wulkow.de

www.chemstations.net
http://www.dhbk02h5.uni.cc/lib/http://www.simsci.com/http://www.hyprotech.com/http://www.aspectec.com/http://www.bre.com/http://www.ideas-simulation.com/http://www.sim42.com/http://www.prosim.net/http://www.rsi-france.com/http://www.cit-wulkow.de/http://www.chemstations.net/http://www.chemstations.net/http://www.cit-wulkow.de/http://www.rsi-france.com/http://www.prosim.net/http://www.sim42.com/http://www.ideas-simulation.com/http://www.bre.com/http://www.aspectec.com/http://www.hyprotech.com/http://www.simsci.com/http://www.dhbk02h5.uni.cc/lib/


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Chng II

CC THAO TC TIP CNPHN MM HYSYS TRONG M

HNH HO TNH


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I. Cc phm nng dng trong HYSYS.


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Nhp mt Fluid Package clu trn a.

Nhm ny cha tt cthuc tnh ca Packages.

Danh sch lc

II. Bt u mt qu trnh m phng.1. Chn nt New Case.

2. ChnAddt Simulation Basis Manager.

4. La chn cu t cho Case.


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5. Cung cp cc thng tin c yu cu vo trong Fluid Package:

Parameters cung cp thng tin v cu t tinh khit/c tnh ca package.

Binary Coefficients nghin cu, cung cp, hay c lng nh phn. Stability Test xc nh phng php c s dng cho s tnh ton n

nh pha.

Reactions thit t phn ng.

Notes ghi ch.

6. ng khung thuc tnh quay trli Basis Manager v nhn ntEnter

Simulation Environment xy dng qu trnh m phng.

III. Thit t dng v thit b.Dng Thit b

Phm nng F11 F12

Object PaletteDouble click vo biu tngdng vt cht hay dng nnglng.

Double click vo biutng thit b.

Summary ViewNhnAdd MaterialhayAddEnergy button.

NhnAddbutton mtheUnitOps Selection Dialog.

Workbook

Trong New ca mt dngvt cht hay dng nng lngtrn Workbook page, nhptn mi cho dng.

Trong New ca mtthit b trn Workbook

page, nhp tn mi ca thitb. Trn UnitOps page,chnAdd UnitOp.


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Summary View

Tools\Summaries\View

UnitOps Selection Dialog

Object Palette.

Object Palette c thc dng thit t trc ti p dng v

thit b vo trong HYSYS. mhay ng Object Palette dng

phm nng F4.

Thit t mt dng v thit b ring l.

1. Double click vo nt thch hp.

or

1. Click vo biu tng vi chut tri.

2. Click vo ntAdd.

Dng v thit b c thc ko (bng chut phi) vo trong

PFD; hay click mt ln trn Object Palette v mt ln na trn

PFD (bng chut tri).

Thit t nhiu dng hay thit b ca cng mt loi dng hay thit b.

(Use Modal Property Views must be OffunderPreferences.)

Danh sch ccn v thit b

Chn cc n vthit b

Add chnthm thit b


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1. Click Locktrn nh ca Object Palette.

2. Bng chut tri, click vo biu tng ca dng v thit b m bn mun thit

t.

3. Chn Add thit t dng hay thit b.

4. Lp li bc #3 cho nhiu ln nhiu nu cn thit.

chm dt hot ng, la chn nt i tng khi trong ch locke, nhn

Cancel.

IV. PFDTa c th mPFD bng cch nhn nt PFD trn Button Bar , hay m

PFD cho bt k Flowsheet (t bt k ni no) s dng CTRL P.

truy cp n danh sch i tng kho st t con tr chut ln i

tng (biu tng hay khong trng trn PFD) v nhn chut phi.

Cc nt dng trn PFD.

Move/Attach - move (khng c nhn) cho php bn chuyn di thit b

v dng. Attach (nhn) cho php bn lin kt dng v thit b.

Size Mode - cho php thay i kch thc ca i tng c la chn.

Break Connection - ph vlin kt gia mt dng v mt thit b.


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Swap Connections - di chuyn im lin kt ca hai dng c gn vo

cng mt thit b.

Drag Zoom - gi chut tri v ko xung quanh vng chn phng to khu

vc th hin PFD.

Add Text Annotation - cho php bn thm mc vo PFD.

Quick Route Mode cho php thao tc cc biu tng nhanh chng trn

PFD khng t v tr li ca cc dng/biu tng khc.

Zoom In - thu nh khung hin th 25%

Zoom All - hin th ton b s quy trnh trong ca s hin thi.

Zoom Out - phng ln khung hin th 25%Thit t dng v thit b.

1. La chn thit b bng chut tri t Object Palette.

2. Click chut tri trn PFD ni i tng mi c thit t.

Lin kt hai thit b.

1. Chuyn sang chAttach*.

2. im lin kt sn c s bt sng trn biu tng khi con tr chut chy qua n.

t con tr chut vo v tr mong mun.

3. Gi chut tri, con tr chut thay i thnh cng c kt ni dng. Kiu kt ni

(Feed, Product, etc.) c th hin.

4. Ko chut hng vim lin kt khc.

5. Khi bn chp nhn im lin kt, cng c kt ni xut hin.

6. Th chut hon tt lin kt.

*vo chAttach, la chn nt, hay giphm CTRL tm thi bt tt ch

trong khi slin ktc thc hin.


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Thm vo hay sa i mt trang Workbook

Ta c th thm mt trang mi vo Workbook nh mt bn son tho hin

hnh. Thc hin nh sau:

1. Chn Workbookt Menu Bar, v chn Setup.2. Khung Setup m. Nu mun thm mt trang mi, click vo ntAdd trn nhm

Workbook Pages.

3. Nu thm mt trang mi, xut hin khung New Object Type. Double click vo

+ truy cp tu chn thp hn. La chn kiu i tng cho trang mi.

4. T khung Setup, s dng Use Set (4a),Add (4b) hay ntDelete sa i

danh sch bin.

Hin th ccbin cho trangWorkbook

Hin thchnh xc cacc bin

nh r thit t chomi kiu i tng.Cc bin thay i

ph thuc vo kiui tng


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5. Trc khi quay v Workbook hin hnh, bn c th ch r nh dng cho bin,

thay i th t ca cu t trn Workbook page, thay i tn trang, hay thm nhiu

bin na.6. Nhn Close quay v Workbook.

VI. Cung cp dliu u vo.Cc kiu nhp liu khc nhau (bng k t, s) c thc cung c p vo

trong HYSYS, vi nhiu phng php khc nhau, s dng chut hay bn phm.

La chn nhp liu tdanh sch th xung.

Chn cn nhp liu, click vo du mi tn xung hin th danh sch

th xung. Nhp liu c thc la chn bng chut hay bn phm.Sdng chut nhp liu.

1. La chn hnh mi tn ti mdanh sch th xung.

2. S dng Scroll Bar / Button di chuyn sut danh sch.

3. Lm ni bt mc m mnh mong mun.

4. Kch chut chn vo .

Sdng bn phm nhp liu

t tt c hay cccu t c bit

C th thay i tntrnh by

Chn bin thm vo


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1. Kch hot cn nhp liu.

2. Nhn mi tn i xung mdanh sch th xung.

3. Vit tn ca dng, v HYSYS s di chuyn n dng sng vit tn, hay s

dng mi tn xung chn dng.

4. Nhn ENTER chn.

Cung cp dliu vo dng Matrix.

Ta c th s dng chut hay bn phm (hay dng phm F2) la chn

nhp liu mong mun t danh sch th xung c tm thy trn Edit Bar.

Cung cp dliu vo dng s

1. Trng nhp d liu dng sc xp thnh bc trn Edit Bar.

2. Lp li qu trnh nhp liu t bn phm trn Edit Bar vi n v mc nh c

trnh by trn hp n v.

n vc hinth trn hp n v

Nhit ckch hot


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3. Sau khi cung cp nhp liu dng s, nhn SPACE BAR kch hot danh sch

cc n v.

4. Chn n v mong mun.

5. Nhn ENTER chp nhn n v.

6. Gi tru vo c chuyn v v c gn n v mc nh.

VII.Tm mt dng hay thit b - Object NavigatorTa c th s dng Object Navigatornh v v quan st Flowsheet cs

trong Flowsheet khc, hay nhp vo mi trng xy dng cho mt Flowsheet.

1. Bn c th truy cp the Object Navigator bng cc cch sau y: Double clicking vo khong trng ca DeskTop

Nhn nt Navigator trn Button Bar

S dng phm nng F3, hay

Chn Flowsheet t Menu Bar, v sau chn Find Object.

2. T nhm Flowsheets ni r the Flowsheet cha ng i tng mong mun.

3. Chn i tng trn nhm Flowsheet Objects.

Lc danh sch cc itng ca Flowsheet

Vo mi trngxy dng choFlowsheet.

Mhp thoi cungcp tn i tng cnnh v

Double click voi tng mkhung thuc tnh

Mkhung thuctnh cho i tng


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4. Nhn nt View(hay double-click) mkhung thuc tnh.

Variable Navigator

Variable Navigatorc s dng la chn cc bin cng ngh, c s

dng trong thit b nh l PID Controller v Adjust. N s dng cu trc ging

nh Object Navigator, nhng cho php bn la chn ng thi Flowsheet, Object,

Variable, v Variable Specific.

V d, la chn bin cng ngh cho PID Controller, s dng VariableNavigator.

1. La chn nt Navigator Scope thch hp cho i tng.

2. Chn nt lc danh sch Object.

3. La chn Flowsheet cha ng bin.

4. La chn Object lm ch bin.

5. La chn Variable mong mun.

6. La chn Variable Specific khi thch hp.

7. Nu mun cung cp nhiu thng tin Variable Description.

8. Nu thay i s lin kt, s dng ntDisconnect.


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VIII. Printing.Ta c th in nhng trang tnh c chnh cho dng, thit b, cc cu t,

tin ch Utilities, cng c phn tch DataBook, Fluid Packages, (d liu dng

bng) Tabular data, Reactions, Reaction Sets, thuc tnh ngi dng (UserProperties), thng tin vc tnh ca du v PFD. Bn c th truy cp printing

qua File menu, Object Inspection, hay Reports.

Tu chn In

Khi bn chn Print tFile menu, HYSYS in cc trang tnh chnh cho cc i

tng c chn.

ObjectInspection(kch chut

phi) vo TitleBar truycp tu chn

in trang tnh

i tng c trang tnhsc in.

xem trc s

xut hin catrang tnh trckhi in

In trang tnhnh mt filevn bn.

Cc trang tnhcho cc itng.


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Hng dn hc Hysis


Reports

Ta c th in nhiu trang tnh cho dng v thit b trn mt Report n, c

th truy cp vo Report vi phm nng CTRL Rhay nhiu Reports trong Toolstrn Menu Bar.

Xy dng Report

Xy dng Report l ni chn cc trang tnh c trong Report, cng nh tu

chnh hnh thc ca Report (Page Setup).

Report hin hnh To mt Report miv mRe ort

a Reportn my in

Xem trcReport

a Reportn mt file

MReport Builder vson tho Re ort

Cc trang tnh thm voc trnh by y

S trangtrong Report

Thm trang tnhca dng v thit bvo trong Report

B cc trang tnht Report


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Hng dn hc Hysis


IX. Databook.Ta c th truy cp vo DataBook bng cch s dng t hp phm CTRL D.

DataBook cung cp truy cp n Process Data Tables, Strip Charts, Data Recorder

v Case Studies.

Strip Charts Page

Strip Charts c thit t c th thng qua Strip Chartspage.

Truy cp n VariableNavigator thm cc bin

Cc bin c s dngcho tt c cc cng c

phn tch DataBookty

MStripChartc chn

Khung thit tStripChart

Tn caStripChart(lu lng vcc binchnh c thc thay i

Kch hot vo ccbin c hin thtrn StripChart


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Hng dn hc Hysis


The Strip Chart View

Khung hnh dng ca Strip Chart.

Khung Configuration cha ng 3 tabs, mi tab s ch r cc b phn xut

hin ca th. General tab c th hin di y.

X-Axis lun l thigian

Mi bin c mt trc t l Y,v gi tr nh nht v ln nht

cho mi bin c tht c lp

Kch chutphi vo th v lachn GraphControl truy cp vo

khung nhdng

C tht Time Span cho th trn trang Overall ChartProperties ca khung Setup

c th trngthy trc th

Tab ny gm tu chnnh dng cho curves vaxes cho stripchart.

Tu chn din mo th

MkhungLogger Setup

MDataBook


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Hng dn hc Hysis


La chn nt View trnh by Scenario hocTable hay Graph

Process Data Tables

Process Data Tables cho php xem xt cc bin cng ngh chnh. Ta c th

mkhung hnh theo di lin tc gi tr ca bin.

Data Recorder

Data Recorder cho php bn lu tr mn hnh ha ca quy trnh bng

cch nhm cc bin cng ngh chnh vo trong nhng tnh hung (Scenarios) khc

nhau.

Nhp tncaProcessData Table

Khi la chn ntView, Process DataTable sc trnh

by.


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Hng dn hc Hysis


Truy cp vo khungSetup ca CaseStudies

Th hin CaseStudies dng bnghay th

Thay i nh dng dliu dng bng v th

ChnView

mSetupview

Kt qutrnh bytheo bnghay th

S state c tng cpnht khi thm bound v

step size

Case Studies

Cng c Case Study cho php bn quan st cch tr li ca bin cng ngh

trong m hnh ho tnh thay i trong quy trnh. Ta c th ch r phm vi thpv cao, cng nh bc nhy (step sizes); HYSYS thay i bin c lp tng ln

mt, v mi ln thay i, bin ph thuc c tnh ton v mt State mi c

xc nh.


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Hng dn hc Hysis


Chng IIICC THAO TC TIP CN

PHN MM HYSYS TRONG MHNH HO NG


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Hng dn hc Hysis


I. Nhng khi nim chung v hot ng trng thing.

Mc ny a ra mt s hng dn hay cc bc sng to v chy mt

qu trnh m phng trong chng.

Ta c th sng to trc tip trong chng (Dynamic mode). Cc n v

hot ng c thc thm vo d dng trong chng nh trong ch tnh.

Integrator (my phn tch) s chy sau khi mi n v hot ng c thm vo

phn tch trng thi dng ra ngoi cho cc n v hot ng c thm vo.

Hoc c th xy dng m hnh ho ng bng cch sng to bi ton trong

m hnh ho tnh. Thc hin chuyn i sang chng vi mt vi sa i

thit k quy trnh hot ng v ch r c im ca dng.1.Qu trnh chuyn ttrng thi tnh sang trng thi ng.

Ta s nhn thy lu lng trn thit b tm thy nh mt kt qu ca mi

quan h p sut-lu lng. Trc khi qu trnh chuyn tip t m hnh ho tnh

sang m hnh ho ng xy ra, s quy trnh qu trnh m phng sc thit

t xc nh trlc tn ti qua thit b.

1.1. Thm cc n v thit b.Nhn bit cc dng vt cht khng c quan h p sut lu lng c kt

ni ti hai n v hot ng v lu lng ca cc dng ny phi c chnh r

trong m hnh ho ng. Cc n v hot ng bao gm thit bSEPARATORv

COLUMN. Khi thm mt n v hot ng, nh VALVES, HEAT

EXCHANGERS, hay PUMPS, th phi xc nh quan h p sut lu lng cho

cc dng . C th chnh r lu lng trn dng thay v s dng thit b

xc nh lu lng.

1.2. iu chnh kch thc ca cc thit b.Kch thc ca tt c cc n v hot ng trong qu trnh m phng s

dng trang thit b thc t hay c xc nh theo kch thc k thut. Kch thc

ca a trong thp c th hon thnh bng cch s dng Tray Sizing utility trn


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Utilitiespage. Vessels sc thay i kch thc iu tit lu lng thc v

p sut ca thit b trong khi ang duy tr hot ng c thm bo thi gian lu.

Nguyn tc iu chnh kch thc ca cc thit bni chung (EquipmentSizing).

Vessels (SEPARATORS, CONDENSERS, REBOILERS) phi c thayi kch thc thi gian lu lng t 5 - 15 pht. S tnh ton kch thc v chi

ph c thc thc hin bng cch s dng Vessel Sizing utility trn Sizingpage

ca Rating tab.

Valves c thay i kch thc da vo c tnh lu lng. Valve s thay

i kch thc vi mca valve l 50% v tr lc nm trong khong 15 - 30

kPa.

iu chnh kch thc a ca thp. (Column Tray Sizing).

Tray Sizing c thc hon thnh cho thp tch bng cch s dng Tray

Sizing utility trong Utilitiespage. Mt vi tin ch s dng s b hn ch trong m

hnh ho tnh. Cc a c nh kch thc tu theo lu lng hin hnh v thi

gian lu mong mun trn a.

Cc thng s quan trng bao gm:

Tray diameter (ng knh a)

Weir length (chiu di vch ngn)

Weir height (chiu cao vch ngn)

Tray spacing (khong cch gia hai a)

1.3. iu chnh p sut ca thp.Trong m hnh ho tnh, p sut ca thp l do ngi dng nh ngha.

Trong m hnh ho ng, n c tnh ton bng cch s dng s tnh ton thu

ng lc. Nu nh p sut trng thi tnh l rt khc nhau t tnh ton trlc, ths c s xo trn ln lu lng trong thp khi Integrator chy. Sc lng hp

l p sut ca thp c thc tnh ton bng cch s dng the Tray Sizing utility.

Tin ch ny cung cp mt gi trMax DP/Tray trn Results tab. p sut ca thp


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Hng dn hc Hysis


c thc tnh ton bng cch s dng gi tr ny (Max DP/Tray), v s chnh

r p sut mong mun bt k ni u trn thp.

Chng ta c th thay i gi trMax DP/Tray m t c p sut mong

mun qua thp. Vic ny d dng thc hin bng cch sa i chiu cao vch ngn(Weir height)trn Ratings tab trong Tray Sizing utility.

Gim chiu cao vch ngn thp hn p sut tnh (static head contributions)

v thp hn gi trMax DP/Tray. Trong chng, Nozzle Pressure Flow K-

factors (c tm thy trn Dynamics tab ca khung thuc tnh ca Main TS) c

thc iu chnh ti u trlc qua thp.

1.4. Cc thit b ton hc (logical operations).Cc thit b ton hc t m hnh ho tnh sau c b qua trong m hnh

ho ng. ADJUST c tht li bng PID Controllers. RECYCLE l khng

cn thit trong m hnh ho ng.

1.5. Thm cc chnh p sut-lu lng (Pressure-FlowSpecifications).

Chnh r p sut lu lng cho mi dng ca s cng ngh. Biu

khin ng vai tr to ln m bo tnh n nh cho qu trnh tnh ton pressure-

flow.

Cc ch quan trng khi xy dng trng thi ng.

1. Phi c bit ch vi vic cnh trlc trong thit b. Mt vi chnh r c

nh trlc trong thit b c th mang li kt qu khng hin thc, nh xut hin

lu lng theo chiu tng p sut. Nhkim tra vic cnh trlc trong thit b

un si li v thit b lm ngui ca thp.

2. Dng nguyn liu vo v sn phm ra khi tng a s c p sut ging nh p

sut a . Nu nh c s khc nhau ln v p sut gia dng nguyn liu hay

dng sn phm vi tng a v kt qu l c lng ln dng vt cht di chuyn

vo hay ra khi thp.


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Hng dn hc Hysis


Chy Integrator sau khi cc n v thit b c thm vo trong ch

ng. Khng ging nh mi trng tnh, th dng ra ngoi ca n v thit b

trong chng khng c tnh ton cho n khi Integrator chy. Integrator s

chy lu t c gi tr ph hp mi cho dng ra ngoi ca cc thit b.1.6. Thc hin bc chuyn i vo mi trng ng.

Click vo nt Dynamic Mode chuyn t m hnh ho

tnh sang m hnh ho ng.

1.7. Troubleshooting (Vic sl sc).Hp thoi thng bo li s xut hin mi khi Integrator chy:

Too many specifications/ Not enough specificationsHp thoi Too many specifications cho bit HYSYS.Plant tm ra qu

nhiu s chnh. Ca sEquation Summary View xut hin cng vi hp thoi

cung cp s gip , s trnh by squa chnh khng c yu cu. Nhn nt

Full Analysis (hay ntPartitioned Analysis, nu c). Lc ny, HYSYS kho st

cc vn c th xy ra trong phm vi ca qu trnh m phng. Nhn Extra Specs

tab pht hin nhng gi tr c kh nng xy ra m khng c yu cu bi

HYSYS.

H p thoi Not enough specifications cho bit qu trnh m phng pht

hin ra qu t chnh r. Extra Specs tab trong the Equation Summary View

i hi cn phi c cc bin c th thiu t qu trnh m phng. Dynamics

Assistant c th gip nhn bit thiu st , P-F specifications sc thm

vo hay xo b t qu trnh m phng ng.

Singular Problem (Cc vn ng ch )

Hp thoi cho bit khng phi tt c cc cng thc trong ma trn the PF

solver l c lp vi nhng cng thc khc. Hp thoi ny xut hin khi mt hay

nhiu cng thc khng cn thit (rm r). V d, nu mt VALVE ang s dng

chnh tr lc, dng vo v dng ra c hai u khng c chnh r p sut.


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Hng dn hc Hysis


Th tr lc tr thnh d tha. N hu ch cnh bo cc vn ng ch .

HYSYS c kh nng nhn bit s chnh p sut lu lng d tha v cho php

Case gii.

The Pressure Flow Solver failed to convergeH p thoi ny cho bit mt hay nhiu chnh p sut lu lng c th

khng ph hp. Hp ny ch xut hin nu c tnh trng ri lon ln t ngt n

qu trnh m phng. N gip ch vo Equation Summary View nhn bit cc

vn xy ra trong s quy trnh.

Nhn nt Full Analysis (hay ntPartitioned Analysis, nu c). Bng cch

nhn nt Update Sorted Listtrn Unconverged tab, HYSYS hin th cc kiu ca

cng thc, v tr, v phm vi li mc phi (type of equation, location, and scalederror) kt hp vi cc giao im cha c gii (unconverged nodes) trong s

quy trnh cng ngh.

c bit ch n cc n v thit b vi cc li ln trn Uncoverged tab.

Kim tra th tch ca Vessel ca n v hot ng cha converged v chc chn

rng chng c nh kch thc vi thi gian lu ph h p. Kim tra kch

thc ca cc valves gn vo n v hot ng cha converged.

II. Cng c kim tra trc khi chuyn sang trng thing.

1.Dynamics Assistant.Dynamics Assistant cung cp phng php nhanh chng m bo thit t

cc chnh p sut lu lng ng n. Assistant c thc s dng khi ang

chun b bc u cho m hnh ng, hay khi ang thc hin m hnh ng c.

Assistant nght cc chnh hp l v bo m Case khng vt qu hay

xung di chnh, hay nhng khc thng. Xem xt nhanh nhng vn c

kh nng xut hin trong khi chuyn t trng thi tnh sang trng thi ng cng

nh trc khi chy Case trong m hnh ng.


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Hng dn hc Hysis


trng thi bng cch clicking vo check mark hay x vi nt chut tri. Double

clicking vo bt k dng no trn danh sch s mpage lin kt vi thay i.

NtPreferences mkhung Assistant Preferences; cho php thay i hng

Dynamics Assistant s chy. H p kim tra Set stream pressure and flowspecifications in the background cho php Assistant kim tra v khng kim tra

chnh p sut v lu lng dng. Nu h p kim tra Perform checks before

running dynamics cho php Dynamics Assistant kim tra nhng ch nh cn

thiu m c th gy ra cc vn tim n trong qu trnh m phng ng trc khi

chuyn sang chng hay chy Integrator.

Nt Analyze Again, HYSYS nh gi li qu trnh m phng. y l

hu ch c bit, trong khi Dynamics Assistant m, bn thc hin thay i case,

m c nh hng n vic thit t trng thi ng cho qu trnh m phng.

NtMake Changes, HYSYS bt u thc hin tt c nhng thay i c

kh nng vi Assistant.

III. Integrator.


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Hng dn hc Hysis


Integratorc s dng khi ang chy mt Case trong chng. Ta c th truy

cp khung Integrator tSimulation menu hay s dng phm nng CTRL I.

1.General Tab.General tab c 3 nhm cha ng cc thng s thi gian cho Integrator. NhmIntegration Control gm Automatic v Manual. Manual integration ch r s

bc thi gian (number of time steps) m HYSYS s thc hin. Mt khi Integrator

thc hin s bc thi gian, Integrator s khng dng nhng vn gi nguyn

trong holding mode. Nu bc thi gian c thm vo, Integrator s tip tc tch

hp h thng i vi s bc thi gian a ra.

Integration Time Group

Nhm Integration Time gm cc thng s sau y:

Parameter Description

Units La chn n v thi gian cho Current Time, End Time,

v Display Interval.

Current Time Trnh by thi gian m Integrator chy. Khi Integrator

t li (reset), gi tr ny quay trli zero.

Acceleration Nu ang chy trong Real Time, thay i trng ny c th

lm nhanh hn (>1) hay chm hn (


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Hng dn hc Hysis


Real time

factor

Ch xc nh c trong Automatic Integrator Control.

H s Real time ph thuc vo tc ca computers

processing v tnh phc tp ca qu trnh m phng.

Number oftime steps to

execute:

Ch xut hin khi trong manual integral control.

2.Options Tab.

Options tab cha ng cc thng s thun li c s dng trong trng

thi ng. Nhm Execution rates as per integrator time step biu th tnh

thng xuyn. Gi tr mc nh ca Pressure-Flow equations, Energy equations,

Composition and Flash, v Control and Logic Ops l 1, 2, 10, v 2 tng ng.

Gi tr 2 ca Energy equations ngha l cn bng nng lng c thc hin miln 2 time steps.

Ta c tu chn ch r thnh phn v tc thc hin cn bng nng lng

cho mi Integration time step cho cc n v hot ng trng thi ng ring bit.


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Hng dn hc Hysis


ch r tc thc hin ring bit cho cc n v hot ng khc nhau, cn phi

thm mt Dynamic Equipment Ops tab mi vo Workbook.

1. B kch hot hp kim tra Use these two periods for all unit operations trn

nhm Calculation Execution Rates ca Integrator view.2. MWorkbook.

3. La chn Workbook t Menu Bar, v sau la chn Setup, m h p thoi

Setup.

4. La chn ntAddtrn nhm Workbook Tabs. Khung New Object Type c

tng mra.

5. Scroll down danh sch v la chn mc Dynamic Equipment Op.

Nhn nt OK. Quay trli khung Setup, v Dynamic Equipment Op variable set

c thm vo trn Workbooktab.


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Hng dn hc Hysis


6. La chn Dynamic Equipment Op tab trn Workbookv b kch hot hp

kim tra Use Integrator periods cho mt trong nhng n v hot ng. Tt c

cc n v hot ng trng thi ng khc trn s quy trnh s b b kch hot.

IV. Hot ng ca thp trong trng thi ng.S khc nhau khc gia thp trng thi tnh v trng thi ng l cc ch

nh r ca thp. Nhng chnh r ca thp trong trng thi tnh c lm ng

trong trng thi ng. hon thnh cc chnh r cho thp khi s dng m hnh

ng, th siu khin phi c thm vo thp.

1.Chnh p sut lu lng (Pressure Flow Specifications).Chnh p sut lu lng khi khng c thit b no khc c kt ni n

thp c th hin nh hnh bn di. Khi c s kt hp ca cc thit b khc vi

thp th chnh p sut lu lng l c th xy ra, tuy nhin c th dn n tnh

n nh km.

Chnh p sut lu lng m khng ch n hnh dng ca thp, th khi

chy cn k m hnh ho ng, n ngh ch t thm valves cho tt c dng

nguyn liu hay sn phm. Khi cc valves c thm vo, tt c cc dng nyc chnh r vi p sut v cc dng khc, lu lng c iu khin vi b

iu khin lu lng.

1.1. Chnh p sut lu lng cho thp (Columns).Distillation Column (Thp chng ct)


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Hng dn hc Hysis


Thp chng ct cbn gm mt dng vo v hai hay ba

dng ra, ph thuc vo hnh dng ca condenser. Khi ch

c mt mnh, Thp chng ct c ba hay bn dng nguyn

liu hay sn phm nhng i hi bn hay nm s chnhp sut-lu lng (pressure-flow specifications); ni chung

mt chnh p sut v ba hay bn chnh lu lng. Ch

nh p sut-lu lng ph, c i hi bi dng hi lu

(dng reflux). Thp th hin bn, gii thiu chnh p sut-lu lng cho thp

chng ct ng mt mnh vi mt partial condenser.

1.2. Chnh p sut lu lng cho Condensers v Reboiler.Mc sau y gii thiu v chnh p sut-lu lng cho m hnh ho ng

n gin. Chnh lu lng c s dng trn dng hi lu l khng c

ngh cho m hnh chi tit. V nu mc lng trong condenseri n zero, khi ta ch

nh lu lng khi lng th s dn n lu lng th tch l ln nht bi v dng

l hi.

Ta cn phi thm thit b thch hp vo dng hi lu (e.g. pumps, valves,

etc.). Trong trng hp ny, iu khin mc ca condenser sc s dng

m bo mc lng thch hp cho thit b.

Partial Condenser

Partial condenser c ba dng ra ngoi; dng hi nh (overhead

vapour stream), dng hi lu (reflux stream), v distillate stream. C

ba dng phi c ch r khi gn lin vi main tray section. Mt

chnh p sut c ngh cho dng hi nh, v mt chnh lu lng cho

dng sn phm lng. Chnh p sut lu lng cui cng c th l chnh lu

lng th hai trn dng sn phm lng cn li, hay gi tr Reflux Flow/Total

Liquid Flow trn Specs page ca Dynamics tab ca condenser c thc ch

nh r.

Fully-Refluxed Condenser


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Fully-Refluxed condenser c hai dng ra ngoi (two exit streams):

dng hi nh v dng hi lu. Pressure specification c yu cu

cho dng hi nh v Flow specification c yu cu cho dng hi

lu.Fully-Condensed Condenser

Fully-Condensed condenser c hai dng ra ngoi: dng hi lu v

dng distillate. C th c pressure flow specifications cho cc kiu

ca condenser. Flow specification c thc s dng cho dng hi

lu v Pressure spec c th c s dng cho distillate stream. Hai Flow

specifications c th c s dng, tuy nhin, n ngh mt b iu khin

(vessel pressure controller) c thit t vi condenser duty nh mt hot ngthay i.

Reboiler

Reboiler c hai dng ra ngoi: dng hi un si li v dng lng y.

Ch mt dng c thc ch r. Nu mt p sut cng bc c

chnh ni no trn thp, dng ra ngoi ny phi c chnh vi mt flow

rate.

2.Khung thuc tnh Column Runner.Khung thuc tnh ca Column Runner cha ng bn tm tt nhng chi tit

quan trng ca thp c yu cu cho m hnh ho ng n nh.

2.1. Parameters Tab.Profiles Page


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Hng dn hc Hysis


Tray Sectionspage cha ng tt c thng tin c i hi cho kch thc

ph hp ca cc a ca thp, nhng knh, chiu di vch ngn (weir length),

chiu cao vch ngn (weir height), v khong cch gia cc a (tray spacing)

c i hi qu trnh m phng ng c chnh xc v n nh. Bn phi

cung cp tt c thng tin trn page ny. Tr Tray Volume, khng c s tnh ton

no c thc hin trn page ny.

i vi nhiu trays, nhp ng knh thp v chiu di vch ngn thch hp.2.3. Dynamics Tab.Vessels Page


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Vesselspage cha ng bn tm tt thng tin kch thc cho nhng vessels khc

nhau trong Column Sub-Flowsheet.

2.4. Tray Section.Rating Tab

Sizing Page

Sizing page cha ng tt c thng tin c i hi cho kch thc ph

hp ca cc a ca thp, nh ng knh, chiu di vch ngn (weir length),

chiu cao vch ngn (weir height), v khong cch gia cc a (tray spacing)


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Hng dn hc Hysis


c i hi qu trnh m phng ng c chnh xc v n nh. Bn phi

cung cp tt c thng tin trn page ny. Tr Tray Volume, khng c s tnh ton

no c thc hin trn page ny.

i vi nhiu trays, nhp ng knh thp v chiu di vch ngn thchhp.

Heat Loss Page

Heat Loss page cho php bn ch r tn tht nhit t mi a trn tray

section. Bn c th chn kiu tn tht nhit hoc l Direct Q, Simple hoc

Detailed hay none t tray sections.

Direct Q Heat Loss Model

Direct Q model cho php bn hoc l ch r tn tht nhit trc tip hoc ltnh ton tn tht nhit t Heat Flow cho mi a.

Simple Heat Loss Model

Simple model cho php bn tnh ton tn tht nhit t nhng gi trc

ch r: Overall U value

Ambient Temperature


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Hng dn hc Hysis


Dynamics Tab

Specs Page

Specs page cha ng Nozzle Pressure Flow k Factors cho tt c cc a

trn tray section. Ta c th la chn HYSYS tnh ton k value cho tt c cc

a bng cch nhn ntAll Stages. Nu mun HYSYS tnh ton k values ch chocc a, chn cc a mong mun v nhn nt Selected Stages. HYSYS s tnh

ton k values cho stages c la chn.

Hp kim tra Use tower diameter method, khi c kim tra, tnh ton k

values cho thp da vo ng knh thp. Khi khng kim tra, th k values c


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Hng dn hc Hysis


tnh ton s dng kt qut c t m hnh tnh, cn cung cp uyn chuyn cho

s chuyn tip gia m hnh tnh v m hnh ng.

Hp kim tra Perform dry start up cho php bn m phng khi ng kh

(dry start up). H p kim tra ny s loi b tt c liquid t tt c cc trays khiIntegratorc bt u.

H p kim tra Initialize From User cho php bn bt u qu trnh m

phng tiu kin ta ch r. Hp kim tra ny s kch hot ntInit HoldUp. Click

vo nt ny in phn mole lng ban u (initial liquid mole fractions) ca mi

cu t v iu kin flash ban u (initial flash conditions).

Hp kim tra Fixed Pressure Profile cho php bn m phng thp da vo

fixed pressure profile.

V. PID Controller.Thit b iu khin (Controller operation) l m hnh iu khin c

ngha quan trng nht trong chng. N iu chnh lu lng ca dng (OP)

a gi tr thay i ca cng ngh (Process Variable hay PV) n gi tr mong

mun (SetPoint hay SP).

thit t the Controller operation, chn Add Operation t

Flowsheet menu, v la chn PID Controller. Hoc, la chn

PID Controller trn Object Palette.


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Hng dn hc Hysis


Output Target Object

u ra ca biu khin l Valve m biu khin thao tc i n im

t. Tn hiu ra, hay OP, l phn trm mca Valve, da vo phm vi ca thitbc xc nh trong khung Control Valve.

Biu khin so snh gi tr cng ngh vi gi trim t v a tn hiu

ra ngoi tc ng vo Valve mhay ng thch hp.

La chn Output Target Object c lm tng t nh la chn Process

Variable Source. Tuy nhin, trong trng hp ny, ch la chn i tng.

Thng tin v kch thc ca Valve nm trong Sub-View truy cp thng qua

nt Control Valve pha di khung thuc tnh ca PID Controller.

2.Control Valve.Thng tin th hin trn khung Control Valvephi c th lin kt Valve. V d,

thng tin cho mt Valve hi khc thng tin cho mt dng nng lng.

Khung FCV ca dng sn phm lng/hi tVessel

ChnFlowsheet haySubflowsheet

Chn i tng

ca FlowsheetChn bin itng v bincho thnh phn


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Attached Stream v Attached Controller c th hin trong nhm Control

Attachments. Cc chnh r c thm vo nhm Direct Q. Trong nhm ny,Setpoint (SP) c sn, v ch cung cp gi tr min (Min. Available) v max (Max.

Available) ca lu cht lm ngui hay un nng.

From Utility Fluid Duty Source

Ging nhDirect Q Duty Source, Attached Stream v Attached Controllerc

trnh by pha trn gc tri ca khung.


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Cc thng s ca Utility Fluid c thc ch r trong nhm Utility Properties:

Thng s

UA H s trao i nhit cc b (local overall) v

din tch b mt trao i nhit.Holdup Tng lng ca Utility Fluid ti cc thi im.

Mc nh l 100 kgmol.

Flow Lu lng ca Utility Fluid

Min and Max Flow Lu lng ln nht v nh nht cho Utility

Fluid.

Heat Capacity Nhit dung ca Utility Fluid

Inlet and OutletTemp

Nhit vo v ra ca Utility Fluid

T Approach Chnh lch nhit ra ngoi ca thit b v

Utility Fluid.

Available to Controller Check Box

Khi bn thc hin s kt ni biu khin v di chuyn n Control Valve view,

hp kim tra Available to Controller s tng kim tra. HYSYS tha nhn

thit t mt biu khin mi vo valve.


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3.Parameters Tab.Configuration Page

Configuration page cho php bn t phm vi ca bin cng ngh, nguyn tc

hot ng ca b iu khin (Controller Action), ch lm vic ca thit b

(Operating Mode), v tu thuc vo ch, hoc l SP hay OP c iu chnh

bi biu khin.

PV and SP

PV, hay Process Variable, l gi tr thay i o c m biu khin c

gng gi ti im t.SP, hay Setpoint, l gi tr mong mun m biu khin cn phi t c.

Tu thuc vo ch ca biu khin, m SP hoc l c nhp vo bi ngi

dng hay chc th hin.

cho biu khin c th hot ng, cn phi:

1. Xc nh gi tr min v max cho PV (biu khin s khng chuyn t ch

Off tr khi PVmin v Pvmax c xc nh).

2. Khi cung cp gi tr ny, ta c th chn ch tng (Automatic mode) va mt gi tr cho im t. Ch Hysys s s dng gi tr hin thi ca PV nh

im t mc nh, nhng c th thay i gi tr ny.

OP


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choKp v Ti. Sau cng, PID (Proportional-Integral-Derivative) Controlleri hi

gi tr cho c baKp, Ti v Td.

Action

C hai tu chn cho Action ca CONTROLLER:Controller Action Description

Direct Khi PV vt ln trn SP, th OP tng.

Khi PV tt xung di SP, th OP gim.

Reverse Khi PV vt ln trn SP, th OP gim.

Khi PV tt xung di SP, th OP tng.

S cn bng ca biu khin a ra trn p dng cho Reverse-acting

Controller. Tc l, khi PV vt ln trn SP, Error trnn phnh v OP gim.p dng cho Direct-response Controller, OP tng khi PV vt ln trn SP. Hot

ng ny c thc thc hin bng cch thay thKpbng -Kp trong cng thc

ca biu khin. Mt v din hnh ca Reverse Acting controller l iu khin

nhit ca Reboiler. Trong trng hp ny, khi nhit trong vessel vt qu

SP, OP gim, kt qung Valve v gim lu lng cht ti nhit.

Mt vi v d tiu biu ca cc trng thi iu khin Direct-Acting v

Reverse-Acting a ra di y.

V d 1(Direct - Acting Controller):iu khin lu lng trong thit b Tee.

Gi s c ba dng t thit b Tee trong mt dng nguyn liu c tch lm hai

dng sn phm. iu khin lu lng ca dng Product 1 bng cch iu khin

lu lng ca dng Product 2:

Proces Variable and

Setpoint

Product 1 Flow

Output Product 2 Flow

Khi lu lng Product 1

vt trn SP

OP tng, kt qu tng lu lng ca Product 2

v gim lu lng ca Product 1.

Khi lu lng Product 1 OP gim, kt qu gim lu lng ca Product


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tt xung di SP 2 v tng lu lng ca Product 1.

V d 2 (Direct - Acting Controller):iu khin p sut trong Vessel.

Gi sang iu khin p sut ca Vessel V-100bng cch iu chnh lu lngca dng hi ra ngoi, SepVapour:

Proces Variable and Setpoint V-100 Vessel Pressure

Output SepVapour Flow

Khi p sut V-100 vt trn

SP

OP tng, kt qu tng lu lng ca SepVapour v

gim p sut ca V-100.

Khi p sut V-100 tt xung

di SP

OP gim, kt qu gim lu lng ca SepVapour

v tng p sut ca V-100.

V d 1 (Reverse - Acting Controller): iu khin nhit trong Reboiler.

Reverse-Acting control c thc s dng khi iu khin nhit ca reboilerR-100bng cch iu chnh lu lng ca dng nng lng, RebDuty:

Proces Variable and

Setpoint

R-100 Temperature

Output RebDuty Flow

Khi nhit R-100 vt

trn SP

OP gim, kt qu gim lu lng ca

RebDuty v gim nhit ca R-100.

Khi nhit R-100 tt

xung di SP

OP tng, kt qu tng lu lng ca RebDuty

v tng nhit ca R-100.

V d 2 (Reverse - Acting Controller): iu khin p sut trong Reboiler.

Reverse-Acting control c thc s dng iu khin p sut ca reboilerR-

100bng cch iu chnh lu lng ca dng nng lng, RebDuty:

Proces Variable and

Setpoint

R-100 Stage Pressure

Output RebDuty Flow

Khi p sut R-100 vt

trn SP

OP gim, kt qu gim lu lng ca

RebDuty v gim p sut ca R-100.

Khi p sut R-100 tt OP tng, kt qu tng lu lng ca RebDuty


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xung di SP v tng p sut ca R-100.

VI. Controller Face Plate.Face Plate cung cp tt c cc thng tin cn thit v biu khin khi qu

trnh m phng ang chy. truy cp vo Controller Face Plate: click vo nt Face Plate t pha

di khung thuc tnh ca biu khin hay s dng tu chn Face Plate trn

Tools menu hay vi phm nng CTRL F.

T nhm Flowsheets, la chn Flowsheet ang cha ng biu khin

c Face Plate cn m.

Cc i tng xem xt ca Face Plates

Ta c th xem xt cc i tng ca Face Plates bng cch clicking chutphi trn khung Face Plate. Danh sch cc i tng c xem xt ca Face Plate

th hin y. Nhng tu chn kt hp vi thc n ny l:

TurnOff- tt biu khin.

Auto Tune - mt trong ba ch ca biu khin (2 ch khc l

Manual v Cascade).

Tuning - mMonitorpage ca khung thuc tnh biu khin.

Connections - mConnectionspage ca khung thuc tnh biu khin.

Parameters - mParameterspage ca biu khin

Lit k tt c cc biu khin trong

Flowsheet c chn

Nhn nt Open hinth biu khin

Nhn nt Find v in tn ca biu khin mun trnh by


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M t Face Plate

im t c th hin bi chm , v gi tr hin ti ca bin cng ngh

c trnh by theo n v mc nh hin hnh. Output lun c trnh by theo

phn trm mca Valve c xc nh trn Valvepage.Ta c th thay i ch ca biu khin bng cch mdanh sch th

xung nm gc bn tri pha di ca Face Plate. Bn c th la chn nt

Tuningtrn Face Plate quay tr li nhanh Tuning page ca khung thuc tnh

biu khin.

Thay i Setpoint v Output

Ta c th thay i gi tr ca SP hay OP ca biu khin (ph thuc voch hin hnh) trong sut qu trnh m phng m khng cn quay tr li

Parameters tab, bng cch s dng Face Plate. thay i SP trong khi ang

trong ch tng (Automatic mode), hay thay i OP trong khi ang trong ch

iu khin bng tay (Manual mode), s dng mt trong ba phng php sau:

1. Di chuyn n ni mun thay i thng s. V d, thay i Setpoint (top field).

Nhp gi tr mi cho SP, v HYSYS s cung cp mt Edit Bar vi n v mc

nh hin hnh. Mt khi bn in gi tr, nhn ENTERhay la chn hp mu

xanh (check mark) v HYSYS s chp nhn Setpoint mi.

Trong ch tng, th Edit Bars xut hin khi

bn nh vo mtim t mi


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2. t con tr chut gn im t mu , v con tr s thay i thnh du mi tn

hai chiu. Gi nt chut tri, v hp thoi s s xut hin pha di, th hin gi

tr hin thi ca SP l 1.2 m

3

/h.Trong khi ang gi chut tri, ko du mi tn hai chiu n SP mi 1.5350 m3/h.

Hp thoi s trnh by gi tr SP nh n. Nh nt chut tri chp nhn SP

mi.

3. t con tr chut vo im cui ca trng ny, v con tr chut si thnh

du mi tn. Click chut tri tng hay gim gi tr 1%. V d, chuyn sang

Manual mode v iu chnh OP. tng OP, di chuyn con tr chut sang cui

bn phi ca trng ny v mi tn s xut hin. Click vo chut tri tng OP

ln 1%.

Trong khi ang gi chut triko mi tn n SP mi. Hpthoi s SP thay i.

Th chut v SP s chuynn SP mi.

t con tr chut gn SP, vdu mi tn hai chiu s xuthin. Gi chut tri, v hpthoi s xut hin, th hini tr hin thi ca SP.

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