Mechanical - Heat Exchanger Compact Heat Exchangers - Guidance For Engineers.pdf

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COMPACT HEAT EXCHANGERS
A TRAINING PACKAGE FOR ENGINEERS
PRODUCED BY THE
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COMPACT HEAT EXCHANGERS – GUIDANCE FOR
ENGINEERS
This Package is issued by the Energy Efficiency Best Practice Programme and aims to
increase the penetration of compact heat exchangers into industry by promoting awareness of
the technology amongst graduate engineers in particular.
This modular Package is intended to provide University lecturers or other training forums
such as Continuing Professional Development, with text, graphics, photographs and examples
that can be easily incorporated into lecture material, course notes or similar. The full text and
graphics are provided on the CD-ROM included with this Package.
All the text, graphics and photographs can be downloaded from the CD-ROM in
WORD format. This material can be incorporated into lecture notes, presentations or
similar without restriction for educational purposes. The source of commercial graphics
materials should be acknowledged where appropriate.
This Training Package updates and combines information from the Good Practice Guides 89
and 198 already available through the Best Practice Programme. It provides information on
compact heat exchanger technology, applications, selection, operation and Best Practice. To
illustrate the potential benefits of compact heat exchanger designs, worked design examples
are given comparing some compact exchanger designs with other more conventional
exchangers.
The Training Package comprises six modules:
Module 0 introduces the Package structure and contents.
Module 1 describes the Package background and introduces compact heat exchangers in
general.
Module 2 provides details on individual compact heat exchanger technologies.
Module 3 addresses aspects and issues common to all heat exchangers.
Module 4 presents initial design selection examples.
Module 5 gives other information.
Produced for the Government by:
ETSU
and
WS Atkins Consultants Ltd.
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The following organisations are acknowledged for their contributions in the preparation of
this guide:
University of Surrey (Professor H. Müller-Steinhagen)
Alfa Laval Thermal Division (Mr I. Forrester)
APV Heat Exchangers (Dr M. Ahmed)
ESDU (Mr S. Pugh)
Heatric Ltd (Ms C. Stacey)
Chart Marston Ltd (Mr P. Shields)
HTFS (Dr L. Haseler)
OCCO Cooling (Mr B. Withington)
Rolls Laval Heat Exchangers Ltd (Mr K. Newman)
Fosplant (Mr C. Chapman)
Polymer Heat Exchangers (Mr G. Dewson)
Packinox / Framatome (Ms R. Elsholz)
Contact information for the organisations above are given in Modules 5.2 and 5.3.
©
Crown copyright 2000
First published September 2000
Other relevant titles in the Good Practice Guide Series
89. GUIDE TO COMPACT HEAT EXCHANGERS
141. WASTE HEAT RECOVERY IN THE PROCESS INDUSTRIES
168. CUTTING YOUR ENERGY COSTS
198. EXPERIENCE IN THE OPERATION OF COMPACT HEAT EXCHANGERS
244. PROCESS INTEGRATION
Copies of these guides may be obtained from:
Environment and Energy Helpline
Telephone:
0800 585794
Fax:
01235 433066
Overseas customers please remit £3 per copy (minimum of £6) with order to cover cost of
packaging and posting. Please make cheques, drafts or money orders payable to ETSU.
This Package contains information and graphics provided by commercial organisations. The
use of such material in no way constitutes an endorsement by the Government of either the
product or the organisations’ competence; nor does the omission of an organisation
discriminate against that organisation’s product or competence.
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CONTENTS
LE
Page
o.
0.0
GENERAL INFORMATION
1
0.0.1
General Information
2
0.0.2
Package Structure
3
0.0.3
User Instructions
5
0.0.3.1
Accessing the Package Material
5
0.0.3.2
Downloading Information
6
0.0.4
System Requirements
7
1.0
INTRODUCTION TO COMPACT HEAT EXCHANGERS
8
1.0.1
Background
9
1.0.2
Objectives
10
1.0.3
Generic Technology Definition
11
1.0.4
Compact Heat Exchanger Types
12
2.0
HEAT EXCHANGER TECHNOLOGY MODULES
16
2.1
PLATE EXCHANGER TYPES
17
2.1.1
Plate and Frame Heat Exchangers
19
2.1.1.1
Introduction
19
2.1.1.2
Construction
20
2.1.1.3
Operating Limits
22
2.1.1.4
Principal Applications
23
2.1.1.5
Comparison with Shell and Tube Heat Exchanger
24
2.1.2
Partially Welded Plate Heat Exchangers
25
2.1.2.1
Introduction
25
2.1.2.2
Construction
26
2.1.2.3
Operating Limits
26
2.1.2.4
Principal Applications
26
2.1.2.5
Comparison with Shell and Tube Heat Exchanger
26
2.1.3
Brazed Plate Heat Exchangers
26
2.1.3.1
Introduction
26
2.1.3.2
Construction
27
2.1.3.3
Operating Limits
27
2.1.3.4
Principal Applications
27
2.1.3.5
Comparison with Shell and Tube Heat Exchanger
28
2.1.4
The Bavex Hybrid Welded Plate Heat Exchanger
29
2.1.4.1
Introduction
29
2.1.4.2
Construction
29
2.1.4.3
Operating Limits
31
2.1.4.4
Principal Applications
31
2.1.4.5
Comparison with Shell and Tube Heat Exchanger
31
LE
Page
o.
2.1.5
The Platular Welded Plate Heat Exchanger
32
2.1.5.1
Introduction
32
2.1.5.2
Construction
32
2.1.5.3
Operating Limits
33
2.1.5.4
Principal Applications
34
2.1.5.5
Comparison with Shell and Tube Heat Exchanger
35
2.1.6
The Compabloc Welded Plate Heat Exchanger
35
2.1.6.1
Introduction
35
2.1.6.2
Construction
35
2.1.6.3
Operating Limits
37
2.1.6.4
Principal Applications
37
2.1.7
The Packinox Welded Plate Heat Exchanger
38
2.1.7.1
Introduction
38
2.1.7.2
Construction
38
2.1.7.3
Operating Limits
39
2.1.7.4
Principal Applications
39
2.1.7.5
Comparison with Shell and Tube Heat Exchanger
40
2.1.8
The Alfa-Rex Welded Plate Heat Exchanger
42
2.1.8.1
Introduction
42
2.1.8.2
Construction
42
2.1.8.3
Operating Limits
43
2.1.8.4
Principal Applications
44
2.1.8.5
Comparison with Shell and Tube Heat Exchanger
44
2.2
PLATE-FIN EXCHANGERS
45
2.2.1
Introduction
46
2.2.2
Brazed Plate-Fin Heat Exchangers
47
2.2.2.1
Introduction
47
2.2.2.2
Construction
47
2.2.2.3
Operating Limits
49
2.2.2.4
Principal Applications
50
2.2.2.5
Comparison with Shell and Tube Heat Exchanger
53
2.2.3
Diffusion-Bonded Plate-Fin Heat Exchangers
53
2.2.3.1
Introduction
53
2.2.3.2
Construction
53
2.2.3.3
Operating Limits
55
2.2.3.4
Principal Applications
56
2.2.3.5
Comparison with Shell and Tube Heat Exchanger
58
2.3
SPIRAL EXCHANGERS
59
2.3.1
Introduction
60
2.3.2
Construction
61
2.3.3
Operating Limits
63
2.3.4
Principal Applications
63
2.3.5
Comparison with Shell and Tube Heat Exchanger
64

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