1
General
7
1.1
Introduction
7
1.2 Products
8
1.3 Structure
11
1.4
Technical specifications
11
2
Assembly of the Heat Exchanger
13
2.1 Lifting
13
2.2
Pipes
14
2.2.1
General
14
2.2.2
Steam application (Condensers)
16
2.3 Insulation
17
2.4
Pressure test
17
2.5
Mounting brackets
18
3
Permitted Conditions for Operating
19
3.1 Design
19
3.2 Fluids
20
3.3
Flow rates
22
4 Operation
23
4.1
Principle of the Heat Exchanger
23
4.1.1
Liquid–Liquid
24
4.1.2 Condenser
25
4.1.3 DX-Evaporator
25
4.1.4
Flooded Evaporator
26
4.1.5
Droplet Separator
27
4.1.6
Steam Generator (Kettle)
28
4.1.7
Exhaust Gas Economiser (EGE)
28
4.2
General start-up
29
4.3
General shut down
30
4.4
Start-up and shut down of steam applications
31
4.5
Recommended periodical inspections of PSHEs
36
5
Cleaning the Heat Exchanger
37
5.1 General
37
5.2
Recommendations for cleaning
38
5.2.1
Backwards flow
39
5.2.2
Chemical cleaning
40
5.2.3
Mechanical cleaning
41
5.2.4
Analysis after cleaning
42
5.3
Openable model
42
5.3.1 Preparations
43
5.3.2
Opening the exchanger and removing the plate pack
43
5.3.3
Mounting the plate pack
45
5.3.4
Bolt/nut tightening pattern
46
6
Expandable Plate Pack
47
7
Spare Parts / Special Tools
48
8
Packing and Storage
48
Contents