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GB/T 32348.2-2015: Electrical resistance trace heating systems for industrial and commercial applications -- Part 2: Application guide for system design, installation and maintenance
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32348.2-2015 | English | 1414 |
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Electrical resistance trace heating systems for industrial and commercial applications -- Part 2: Application guide for system design, installation and maintenance
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GB/T 32348.2-2015
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Basic data | Standard ID | GB/T 32348.2-2015 (GB/T32348.2-2015) | | Description (Translated English) | Electrical resistance trace heating systems for industrial and commercial applications -- Part 2: Application guide for system design, installation and maintenance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K61 | | Classification of International Standard | 25.180.10 | | Word Count Estimation | 71,727 | | Date of Issue | 2015-12-31 | | Date of Implementation | 2016-07-01 | | Regulation (derived from) | State Standard Announcement 2015 No.43 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 32348.2-2015: Electrical resistance trace heating systems for industrial and commercial applications -- Part 2: Application guide for system design, installation and maintenance
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Industrial and commercial resistance trace heating systems - Part 2. system design, installation and maintenance Application Guide)
ICS 25.180.10
K61
National Standards of People's Republic of China
Industrial and commercial use resistive heating system
Part 2. system design, installation and maintenance Application Guide
commercialapplications-Part 2. Applicationguideforsystem
design, instalationandmaintenance
(IEC 62395-2.2013, Electricalresistancetraceheatingsystemsfor
industrialandcommercialapplication-Part 2. Applicationguide
forsystemdesign, instalationandmaintenance, IDT)
Issued on. 2016-07-01 2015-12-31 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅶ
1 Scope 1
2 Normative references 2
3 Terms and definitions 2
4 surface vessels and piping systems of heating 2
Description 2 4.1 Applications
4.1.1 General requirements 2
4.1.2 ambient conditions 2
4.1.3 electric heating system Note 2
4.2 General requirements for design information --- 3
4.2.1 General requirements 3
4.2.2 Design of the electrical system 3
4.2.3 control and monitoring system 3
4.2.4 electric heating system design 4
4.2.5 Design of Information Document 4
4.3 Thermal Design 4
4.3.1 General 4
4.3.2 Design of Condition 4
4.3.3 insulation 5
4.3.4 determine heat loss 8
4.3.5 design safety factor 9
4.3.6 heating Notes 9
4.3.7 The selection of heating 10
4.3.8 Design and Calculation 12
4.3.9 Applied Computing Theory jacket temperature of 12 metal pipes ---
4.3.10 Applied Computing Theory jacket temperature of 13 non-metallic pipes ---
4.3.11 Design Document 14
14 4.3.12 Start at low temperature environment
4.3.13 trace heating circuit length 14
4.3.14 chimney effect 15
4.4 Electrical Design 15
4.5 control and monitoring system design 15
4.5.1 General requirements 15
4.5.2 mechanical controller 15
4.5.3 electronic controller 15
Applicability 4.5.4 Application 16
4.5.5 thermostat at position 16
4.5.6 the position sensor 17
Note 4.5.7 Alarm 17
4.5.8 Integrated Control 18
18 4.5.9 Analysis of traffic patterns
4.5.10 blind pipe section 19 Control Technology
Notes 4.6 specially designed 19
4.6.1 General requirements 19
4.6.2 icing system 19
4.6.3 sprinkler system 20
4.6.4 hot/warm water service 21
4.6.5 safety shower design requirements 22
4.6.6 Private line 22
4.7 Installation 24
4.7.1 General requirements 24
4.7.2 personnel requirements 24
4.7.3 Preparations 24
4.7.4 Initial installation of heat tracing circuit 24
4.7.5 Insulation resistance test 24
4.7.6 trace heating system installation 25
4.7.7 Installation of control and monitoring devices 26
4.7.8 necessary corrections 27
4.7.9 Install insulation system 27
Installation 4.7.10 Power 28
4.7.11 Debugging 28
4.8 Maintenance 29
4.8.1 General requirements 29
4.8.2 maintenance personnel training 30
4.8.3 inspection frequency 30
4.8.4 Maintenance program documents 30
4.8.5 visual method 30
4.8.6 Electrical Evaluation 30
4.8.7 Check the electrical protection system 31
4.9 Maintenance 31
4.9.1 General requirements 31
31 4.9.2 Fault Location
4.9.3 There may be implemented with an electrical heater repair 31
4.9.4 electric trace heating service technician 31
5 eaves and gutter de-icing 32
5.1 Application Description 32
5.2 General requirements for design information --- 32
5.3 Thermal Design 33
5.4 Electrical Design 33
5.5 Control and Monitoring System Design 33
5.6 Special design elements 34
5.7 Installation 34
5.7.1 General requirements 34
5.7.2 trace heating and component installation 34
5.8 Maintenance 37
5.9 Maintenance 37
6 heating track 37
6.1 Instructions for use 37
6.1.1 General requirements 37
6.1.2 Switch point heating 38
6.1.3 conductor rail/power rail heating load 38
6.1.4 heating track 38
6.1.5 catenary/pantograph heating 38
38 6.2 Design Information
6.2.1 General requirements 38
6.2.2 Climatic Data 38
6.2.3 Railway System Description 39
6.2.4 System Design 39
6.3 Thermal Design 39
6.3.1 to determine the thermal load 39
6.3.2 Typical thermal load 39
6.4 Electrical Design 40
6.5 Control and Monitoring System Design 40
6.6 special design considerations 40
6.6.1 Electrical Considerations 40
6.6.2 Finite Element Analysis 40
6.7 Installation 40
6.7.1 General requirements 40
6.7.2 turnout heating 41
6.7.3 Movable frog 41
Folder Lock 6.7.4 Heat Tracing 41
6.7.5 conductor rail/tram contained heating and heating track 42
6.7.6 catenary/pantograph heating 42
6.8 Maintenance 42
6.9 Maintenance 42
7 snowmelt 43
7.1 Application Description 43
7.2 Design information 43
7.2.1 General requirements 43
7.2.2 Climate data 43
7.2.3 structural details of the workpiece 43
7.2.4 Electrical Considerations 43
7.2.5 System performance level 43
7.2.6 heating layout and component installation 44
7.3 --- thermal design power output (heat load) to determine 46
7.4 Electrical Design 47
7.5 Design control and monitoring systems 47
Notes 7.6 specially designed 47
7.7 Installation 47
7.8 Maintenance 48
7.9 Maintenance 48
8 Geothermal 48
8.1 Application Description 48
48 8.2 Design Information
8.2.1 General requirements 48
8.2.2 Environmental Data 48
8.2.3 structural details of the workpiece 49
8.2.4 Electrical Considerations 49
8.2.5 heating layout and component installation 49
50 8.3 --- determine the thermal design heat load
8.4 Electrical Design 51
8.5 control and monitoring system design 51
51 8.6 Special precautions designed
8.7 Installation 51
8.8 Maintenance 52
8.9 Maintenance 52
9 prevent ice bulge 52
9.1 Application Description 52
9.2 Design information 52
9.2.1 General requirements 52
9.2.2 ground construction details 53
9.2.3 Electrical Considerations 53
53 9.3 determine the thermal load
9.3.1 General requirements 53
9.3.2 heating layout and component installation 54
9.4 Electrical Design 55
9.5 control and monitoring system design 55
55 9.5.1 Control Options
9.5.2 Monitoring 55
Notes 9.6 specially designed 55
9.7 Installation 55
9.8 Maintenance 56
9.9 Maintenance 56
10 underground storage system 56
10.1 Application Note 56
Design information 56 10.2
10.2.1 General requirements 56
10.2.2 Environmental Data 56
10.2.3 Building construction detail 56
10.2.4 Electrical Considerations 56
10.2.5 trace heating layout and component installation 57
10.3 Thermal Design --- determine heat loss 57
10.4 Electrical Design 58
10.5 Design control and monitoring systems 58
Special Design Considerations 10.6 with hot sand located 58
10.7 Installation 58
10.7.1 General requirements 58
10.7.2 installed in the sands 58
10.7.3 installed in concrete 58
10.8 Maintenance 59
10.9 Maintenance 59
Appendix A (informative) before installation check 60
Annex B (informative) tracing debug recording 61
Annex C (informative) maintenance schedules and logging 63
Foreword
GB/T 32348 "for industrial and commercial use resistive heating system" is divided into the following two parts.
--- Part 1. General and testing requirements;
--- Part 2. system design, installation and maintenance applications guide.
This section GB/T Part of 232,348.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section uses the translation method is equivalent to using IEC 62395-2.2013 "industrial and commercial resistance trace heating systems - Part 2. system design
Meter installation and maintenance Application Guide. "
Consistency correspondence between this part of international documents and normative references of our files are as follows.
--- GB 5959.1 electric safety devices - Part 1. General requirements (GB 5959.1-2005, IEC 60519-1.2003,
IDT)
For ease of use, this part of IEC 62395-2.2013 made the following editorial changes.
--- Delete foreword international standards;
--- "This standard" be replaced by "of this section."
This part is proposed by the China Electrical Equipment Industrial Association.
This part of the National Electric Equipment Industry Standardization Technical Committee (SAC/TC121) centralized.
This section is drafted. Wuhu Jia-hong New Materials Co., Ampang Electric Group Co., Ltd., Wuhu City Branch-electric material limited liability
Any company, Xi'an Institute Furnace Co., BARTEC explosion-proof equipment (Shanghai) Co., Pentair Thermal Control Technology (Shanghai) Co., Ltd.
Furnace State Quality Supervision and Inspection Center.
The main drafters of this section. Xu Chunan, Du Fang, Li Yi-even, Jun Ling, Zhu Guoqiang, Wu Jing, BIMONTHLY Yuanfang Lan, Zhu Lin.
Industrial and commercial use resistive heating system
Part 2. system design, installation and maintenance Application Guide
1 Scope
GB/T 32348 in this part of the resistive heating system design in industrial and commercial applications, installation, maintenance and repair made
Detailed recommendations. This section does not include potentially explosive atmospheres in any application.
This section applies to electric heating system relates to the factory or assembly site (construction site) mounting assembly, and has been in accordance with the manufacturer's
Series and parallel with the surface of the heater or heater assembly out and/or terminated (with heating pads and hot plate).
Some of the products covered by the appropriate technical training personnel trained to install, and can only be performed by trained personnel especially critical
Work, such as joints and the end of the installation. Installation required under the supervision of a qualified electrician perform the electrician should have received electric heating system complements
Charge training.
This section does not include induction, impedance or skin effect heating.
Electric heating system can be divided into different types of applications under different conditions after installation and installation need to meet different test requirements.
Electric heating systems are generally applicable to a specific type of device or application. Typical applications of different types of installation include, but are not limited to.
a) piping, vessels and associated equipment for heating surface heating device applications include.
--- Freeze protection and temperature;
--- Hot water pipes;
--- Petroleum and chemical pipeline;
--- Sprinkler systems.
b) outdoor open space heating devices, applications include.
--- Roof de-icing;
--- Drains and sewers de-icing;
--- Sump and drain;
--- Track heated.
c) heating systems with embedded devices, applications include.
--- Snow;
--- Warm;
--- Prevent ice expansion;
--- Underground thermal energy storage system;
--- Doorframe.
d) conduit or pipe with an internal heating system installation, applications include.
--- Snowmelt (in conduit);
--- Frost protection (in conduit);
--- Warm (in conduit);
--- Energy storage system (in conduit);
--- Internal piping drinking water heating;
--- Closed drains and sewers.
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