Design & Fabrication of Heat Exchangers and Pressure Vessel

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Design & Fabrication of Heat Exchangers and Pressure Vessel by Mind Map: Design & Fabrication of Heat Exchangers and Pressure Vessel

1. incorrect design data, inaccurate or incorrect design method or inadequate shop testing

2. poor quality control, improper or insufficient fabrication procedures including welding, heat treatment of forming method

3. definition

3.1. a device built for efficient of heat transfer from one medium to another

3.2. not mixed with other medium

4. type of heat exchangers

4.1. shell and tube

4.1.1. U tube bundle

4.1.2. straight tubes/ fixed tubesheet

4.1.3. Floating head

4.1.4. Kettle heat exhanger

4.2. plate

5. cause the heat exchangers failure

5.1. materials

5.1.1. improper selection of material or defects in materials

5.2. design

5.3. fabrication

5.4. service

5.4.1. change of service condition by the user, inexperienced operations or maintainer personnel or upset conditions

6. design guidliness

6.1. code specification

6.2. pressure and temperature

6.3. wind, seismic and weight loading

6.4. minimum thickness

6.5. support

6.6. name plates

6.7. vertical vessel support

6.8. vessels opening

6.9. internal parts

6.10. welding

6.11. fabrication tolerances

7. design software used to design pressure vessel

7.1. codeware compress - mechanical design and 3D modelling

7.2. Pvelite - mechanical design and 3D modelling

7.3. HTRI (Heat Transfer Research Ins.) - thermal process design

8. class of heat exchangers

8.1. Class R

8.1.1. suitable for unfired shell and tube heat exchanger for generally severe requirement of petroleum

8.2. Class C

8.2.1. suitable for unfired shell and tube heat exchanger for generally moderate requirement of commercial

8.3. Class B

8.3.1. suitable for unfired shell and tube heat exchanger for the chemical process services

9. Selection of Type Heat Exchanger

9.1. U-Tube bundle heat exchanger

9.1.1. Tube side mechanicsal cleaning is not required

9.1.2. Fouling resistance does not exceed 0.00052 m^2.K/W

10. Definition of term

10.1. Pressure vessel

10.1.1. Container designed to hold gases or liquid at pressure different from ambient pressure

10.2. Boiler

10.2.1. Steam generator where water convert to steam under pressure

10.3. Chemical Reator

10.3.1. Vessel designated to contain chemical reaction

10.4. Heat Exchanger

10.4.1. Device for heat transfer efficient from one medium to other. Media should be separated by solid wall.