RNR CDU BEDP Informative Offer 2.pdf
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Transcript of RNR CDU BEDP Informative Offer 2.pdf
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7/25/2019 RNR CDU BEDP Informative Offer 2.pdf
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I Refining and Marketing Division 1 / 13Downstream Development Sector
FCH RNR CDU BEDP Informative Offer 2.doc 9/14/2012 12:13 PM
INA Industrija Nafte d.d., Croatia
CALL FOR INFORMATIVE OFFER
for
Supply of Basic Engineering Documentation
For refining of topping absorber column overhead gases on CDUunit in INA Rijeka Refinery
Rijeka, September 2012
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Contents
1
Introduction ....................................................................................................................3
2
Aim of this inquiry..........................................................................................................33 Investitor data .................................................................................................................3
4
Technical scope ..............................................................................................................4
4.1 Feed .........................................................................................................................4
4.2 Products ...................................................................................................................4
4.3
Simplified PFD.........................................................................................................5
4.4 Battery limits for the design ......................................................................................5
5
Content of Basic Engineering Design and Extended Scope .............................................6
6 Content of the informative offer ......................................................................................6
7
Miscellaneous .................................................................................................................6
7.1
Utility specifications .................................................................................................6
7.1.1
Nitrogen ............................................................................................................7
7.1.2
Instrumentation air ............................................................................................7
7.1.3 Electric power ...................................................................................................7
7.1.4 Steam and Fuel gas ............................................................................................7
7.1.5
Cooling water ....................................................................................................7
7.1.6 Fire Water .........................................................................................................7
7.2
Site conditions ..........................................................................................................8
7.3
Spec sheets equipement to check ..............................................................................9
7.3.1
321-V-002 .........................................................................................................9
7.3.2
321-E-017 ....................................................................................................... 10
7.3.3 321-E-030 ....................................................................................................... 12
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1 Introduction
The FG/LPG produced at top of 321-C-003 (absorber topping) contains about 10 % H2S and
44 % vol C3+C4. The purpose of this project is to purify gas via overhead reflux drum of
debutanizer 321-V-002 and sent the fuel gas to amine treatment in FCC or HDS to reducerefinery SOx emissions, in accordance with IPPC directive. The condensed LPG will be
processed to Merox 5.
Removal of hazardous gases from the atmosphere is one of priorities of the Rijeka refinery.One of the unsolved source of loading the atmosphere is fuel gas from Topping-3 which
cannot be refined with existing processes.
Gas from the top of absorber column 321-C-003 contains a high percentage of H2S. Because
of H2S combustion emissions of SOx are high and the air quality is poor (III category).
The gas from 321-C-003 will be processed through new built refining of topping absorber
column overhead gases on CDU to debutanizer C4 overhead (between control valve and E-
017), separated in V-2 and the Fuel gas to amine plant on FCC and HDS plant (gas) and UNP
to Merox 5. A secondary objective is to increase utilization of C3 and C4 fractions of gas
which will instead in fuel gas end up in commercial LPG product.
2 Aim of this inquiry
Main goal of the informative offer to get preliminary technical and commercial informationfor supply of Basic Engineering Documentation Package which is based on the following
technical scope and commercial conditions.
3 Investitor data
Company name INA Oil industry d.d., Zagreb, CroatiaLocation/Adresse Refinery Rijeka, Urinj b.b.
51221 Rijeka
Croatia
Unit 321-CDU
Project name CDU efficiency and environmental improvement
Project number IM 6-03-002Contact person Vinja Franji
Email [email protected] +385 (1) 64 51729
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4 Technical scope
4.1 Feed
Temperature (C) Normal/Min/Max 40/30/60Pressure (barg) Normal/Min/Max 0,8/0,5/1,3
Flow (Nm3/hr) Normal/Min/Max 1200/300/3000
Composition (vol %)Overhead gas of Absorber 321-C-003
Feed 1 Feed 2
H2 3,30 1,70
H2S 9,3 5,1
C1 12,1 10,1
C2 21,9 17,6
C2= 0,8 0,4
C3 27,8 38,6
C3= 0,3 0,2
i-C4 5,4 6,4
n-C4 5,8 6,1
C4= 0 0
i-C5 2,2 1,3
n-C5 1,1 0,5
C5= - 0,4
C6+ 0,4 0,1
CO2 0,9 1,6
O2 2,6 2,3
N2 6,1 7,6
Total 100,0 100,0
HC 77,7 81,7
C3+ 43,1 53,6
MW 37,2 38,8
H2S content could be up to 14 %.
Diameter of inlet piping : 8.
Water content : saturated @ 60C.
4.2 Products
The first part of the project is to compress 321-C-003 overhead gas to condense and separate
it in 321-V-002 (8 bar g). Tie-in will be between 321-PC-020 valve and 321-E-017
(normal/min/max pressure : 8,5/6/9,5 bar g). The second part of the project is piping to route
fuel gas from 321-V-002 to amine treatment in FCC or HDS. Liquified LPG from 321-V-002will be routed to Merox 5 as previously.
Fuel gasPressure (barg) Normal/Min/Max 5,6/5/7,5
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The positions of the tie-in of fuel gas from 321-V-002 to amine plants are:
1. Amine plant on FCC complex, feed to 329-V-004 (5,3 bar g) and 327-V-003 (1,3 barg) ~1000 m from CDU
2. Amine plant on HDS/BHK plant, feed to 326-V-001 (6,3 bar g), ~400 m from CDU
4.3 Simplified PFD
321-C-003
327-V-003
329-V-004
326-V001
321-C-004
321-V-013
Scheme 1 : Simplified PFD
In red = new
Preliminary technical and commercial information for supply of Basic engineering document
package for project based on the following technical scope and specifications and commercial
conditions.
The should be able to process both feeds.
The required guarantee conditions for the project :
- Optimized energy consumption, reliability and efficiency- Material and thermal capacities.- Pressures at B.L. of other units.- Secure liquid free gas to compressor (winter ambient design temp. = -15C)
4.4 Battery limits for the design
One compressor only.Split range control valves to 1. compressor or 2. blowdown system in case of compressor
failure is included in scope of work.
New flowmeter for overhead gas of 321-C-003 in scope of work (Max range 3000 Nm3/hr).Desulphurization is not part of the design.
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5 Content of Basic Engineering Design and Extended Scope
The BEDP contains the all data and information of the project in accordance with the
industrial standards and practices (Process description, PFDs, P&IDs, H&MB tables,
equipment and instrument datasheets, definition of utility demands, distillation trayspecifications, pressure limitations, control and ESD-philosophy, etc.).
Checking of exchanger 321-E-017, 321-E-030 and reflux drum 321-V-002 will be enclosed in
the Basic engineering design.
As an Extended Scope in the Basic Engineering Documentation, INA would like to have theRequisition for Quotation (RfQ) documentation for the compressor as a special Long Lead
Item in the technical scope of the project. In the required RfQ documentation the details and
materials to be specified in sufficient detail suitable to solicit Vendor bids shop drawings and
specifications.
The document shall include scope of supply, mechanical documentations, calculations and
specifications, detailed mechanical drawings, data and information requirements as well as
inspection and requirements.
6 Content of the informative offer
Having the informative offer INA is going to receive the following information:
1. Simplified PFD of the proposed solution.2. Short presentation of Bidders experiences or owned know-how in similar projects
in topping unit.
3. Reference list of similar projects designed, installed or main contracted by theBidder.
4. Estimate of volume requirement for compressor.5. Estimated contract price for supply the Basic Engineering Design Package (BEPD)
+/-30%.
6. Estimated delivery time of the BEDP.7. Any other special commercial conditions regarding the supply of BEDP.
7 Miscellaneous
The content of the informative offer will be handled as confidential material.
All information will be used for project preparation only. There are no engagement to theBidder from INA side regarding any possible future cooperations and issues.
Exclusions and deviations from this call to informative offer are allowed, but must be clearly
indicated and justified.
7.1 Utility specificationsThis section lists the operating and design conditions of the utilities considered to be available at theplant battery limit.
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7.1.1 Nitrogen
System pressure 12 barg
Temperature at B.L. 10-20C
Purity 99,999% vol.
Oxigen 2 ppm vol.Dew point -180C
7.1.2 Instrumentation air
Pressure, barg Temperature,C
Instrumentation air 4-6 Ambient
Dew point At atmospheric pressure -40
7.1.3 Electric power
Output, kW Voltage, V Phase Frekvency, Hz
Instruments 230/400 1/3 50
Lighting 230/400 1/3 50
Elektromotors 150 6300 3 50
7.1.4 Steam and Fuel gas
Temperature,C Pressure, barg L.H.V.,Kcal/kg
Fuel gas ambient 2.5-3.5 9890
LP Steam 180-220 (norm.200) 4-6 (norm. 5.0) N/A
MP Steam 250-320 (norm.280) 10-14 (norm. 12.0) N/A
HP Steam 390-450 (norm.420) 33-38 (norm. 35.0) N/A
7.1.5 Cooling water
Temperature,C Pressure barg
Cooling water supply 24-26 4,5-5
Cooling water return 34-38 3-3,5
7.1.6 Fire Water
Pressure, barg Temperature, C
Normal Mech. Design Normal Mech. Design
Fire water 8.0 12.8 16 20 40At elevation: 15 -1 = 14 m above sea level.
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7.3 Spec sheets equipement to check
7.3.1 321-V-002
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7.3.2 321-E-017
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7.3.3 321-E-030
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