DMD5422DMD5422PRESSURE VESSEL DESIGN

KOLEJ KEMAHIRAN TINGGI MARAPASIR MAS, KELANTAN

TOPIC: EXTERNAL VESSEL ATTACHMENT

PREPARED BY:

E HAFIZUDDIN BIN ABU BAKAR

TOPIC: EXTERNAL VESSEL ATTACHMENT

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En. HAFIZUDDIN BIN ABU BAKAR

INSTRUCTIONAL AIMS

In the end of this topic, all p ,students will be able to;

1. List out the components will be install outside of pressure vessel.

2. Explain about the nature and function for all those componentsall those components.

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EXTERNAL PARTS• External vessel parts can be classified

i t l t hi h th t1. Support 7. Pipe support and

G id

into several types which that are:

2. Nozzle3. Man ways / manhole

Guide8. Brackets

Lifting Lug3. Man ways / manhole4. Bootlegs5 Bridles and

9. Lifting Lug10. Davit arm11 Name Plate5. Bridles and

Instrumentation6 Platform

11. Name Plate

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6. Platform

NATURE AND FUNCTION

1. SUPPORTSupport can classified into two types which that are:

a. Saddlewill be install on horizontal vessel onlywill be install on horizontal vessel only.

b. Skirtwill be install on vertical vessel and also on spherical vessel.

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NATURE AND FUNCTION (Cont..)

2. Usually material used to produce saddle i d f l i i ll tiis made from aluminium alloy casting.

3. Could also use other casting iron to replace aluminium alloy casting.

4. The main function was to support ppcylindrical and spherical pressure vessel.

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SKIRT SADDLE

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SKIRT

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SKIRT

NATURE AND FUNCTION (Cont..)

2. NOZZLE1 Can be classified into two shape which that1. Can be classified into two shape which that

are:F ia. Forging

b. Pipe

2. Used to control fluid movement pulled out or entered to pressure vesselor entered to pressure vessel.

3. Nozzle orientation should be consider with

8internal vessel attachment.

PIPE

FORGING

NOZZLE

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NATURE AND FUNCTION (Cont..)

3. MANWAYS1. Can divided into two shape which that are:

a. Sphereb. Rectangular

2 Man ways design should be consider with2. Man ways design should be consider with customer requirement and customer needed.

Th f ti f i t bl k3. The function of man ways is to enable worker into pressure vessel.

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MAN WAYS / MANHOLE

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12RECTANGULAR MAN WAYS

NATURE AND FUNCTION (Cont..)

4. BOOTLEGS

1. The function of bootlegs is to separate oil d t i land water in pressure vessel.

2. Usually are used at separator pressure vessel.

3. Vortex breaker will happen in section ppbootlegs.

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14BOOTLEGS

BOOTLEGS

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NATURE AND FUNCTION (Cont..)

5. BRIDLES AND INSTRUMENTATION1. The bridles is including piping equipment

namely :ysmall butt-weldedsocket weldedscrewed-welded

B idl b t h ld2. Bridles can be use to hold pressure measurement and valve equipment.

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NATURE AND FUNCTION (Cont..)

3. Instrumentation is an important part hi h it ill t d t lwhich it will use to measure and control

the commodity in pressure vessel.4. It can divided into several types which

that are:• Pressure gauge• Level gauge• Level gauge• Valve and etc

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BridlesInstrumentations

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INSTRUMENTATIONS

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INSTRUMENTATIONS

Instrumentations

BridlesBridles

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NATURE AND FUNCTION (Cont..)

6. PLATFORM1. Like small elevated walkways around the

outside of a vessel or between equipment and structure.

2. Usually 3’ wide and they have a floor made of y ysteel grating or plate.

3 With 3’ tall handrails, workers can safely3. With 3 tall handrails, workers can safely operate, inspect and maintain a vessel.

4 Platforms are spaced not more than 30’ and21

4. Platforms are spaced not more than 30 and not closer than 8’.

22PLATFORM

23PLATFORM

24PLATFORM

NATURE AND FUNCTION (Cont..)

7. PIPE SUPPORT AND GUIDE1. It is made from suitable iron wherever

material selection very important.y p2. Function to support pipe that had pulled out

or entered to pressure vesselor entered to pressure vessel.3. Used also to avoid pipe movement from

their current position when the vessel intheir current position when the vessel in normal operation.

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PIPE SUPPORT AND GUIDEAND GUIDE

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NATURE AND FUNCTION (Cont..)

8. BRACKETS1. Resides in various types and form.2 Material use for bracket must be suitable2. Material use for bracket must be suitable

with material or component weight to be support and the pressure.support and the pressure.

3. The function of bracket is to hold other component and also to preventcomponent and also to prevent component movement from their current position

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position.

BRACKETS

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BRACKETS

NATURE AND FUNCTION (Cont..)

9. LIFTING LUG1. Donut-shape rings welded to the vessel’s

shell or head.2. Material for lifting lug must be suitable

with vessel total weight to avoid any g yincident.

3. It will use to allow the vessel to be raised and positioned during installation.

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30LIFTING LUG

NATURE AND FUNCTION (Cont..)

10. DAVIT ARM1. Are shaped like L's letter.2 Usually available in form round bar2. Usually available in form round bar.3. Material selection to generate davit arm

is depend to material heavy would beis depend to material heavy would be held.h f f d h ld h4. The function of davit arm is to hold the

door of man ways.

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DAVIT ARMDAVIT ARM

32DAVIT ARM

DAVIT ARMDAVIT ARM

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DAVIT ARM

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NATURE AND FUNCTION (Cont..)

11. VESSEL NAME PLATE1. Usually it is in square shape.2. Have all information about the pressure2. Have all information about the pressure

vessel including maximum working pressure, year built and etc.pressure, year built and etc.

3. Need to install at pressure vessel before delivery process carried outdelivery process carried out.

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NATURE AND FUNCTION (Cont..)

4. The location of name plate must be suitable and prevent from any clash with otherand prevent from any clash with other component.

5 The shape of name plate must be comply with5. The shape of name plate must be comply with ASME and it will depend to customer requirement.q

6. The standard of name plate is according to:1. U-Stamp1. U Stamp2. S-Stamp3. UM-Stamp

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p4. UV-Stamp

NATURE AND FUNCTION (Cont..)

37NAME PLATE

QUESTION

1. List out an external vessel components.2. Explain about the different between

saddle and skirt.3. Why the name plate of vessel is very

important?important?4. What is the function of nozzle?

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END OF CHAPTER 2THANK YOU

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