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HYT187.4-2020: Code for design of recirculating cooling seawater system - Part 4: Guideline for material selection and corrosion protection design
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| HY/T 187.4-2020 | English | 229 |
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Code for design of recirculating cooling seawater system - Part 4: Guideline for material selection and corrosion protection design
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HY/T 187.4-2020
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Basic data | Standard ID | HY/T 187.4-2020 (HY/T187.4-2020) | | Description (Translated English) | Code for design of recirculating cooling seawater system - Part 4: Guideline for material selection and corrosion protection design | | Sector / Industry | Marine Industry Standard (Recommended) | | Classification of Chinese Standard | A45 | | Classification of International Standard | 07.060; 91.140 | | Word Count Estimation | 10,158 | | Date of Issue | 2020-05-29 | | Date of Implementation | 2020-09-01 | | Issuing agency(ies) | Ministry of Natural Resources of the People's Republic of China | HYT187.4-2020: Code for design of recirculating cooling seawater system - Part 4: Guideline for material selection and corrosion protection design
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Code for design of recirculating cooling seawater system - Part 4.Guideline for material selection and corrosion protection design
ICS 07.060;91.140
A45
People's Republic of China Marine Industry Standard
Design specification for sea water circulating cooling system
Part 4.Material selection and anti-corrosion design guidelines
2020-05-29 released
2020-09-01 Implementation
Issued by the Ministry of Natural Resources of the People's Republic of China
Foreword
HY/T 187 "Code for Design of Seawater Circulating Cooling System" is divided into 5 parts.
---Part 1.Technical requirements for water extraction;
---Part 2.Technical requirements for drainage;
---Part 3.Seawater pretreatment;
---Part 4.Material selection and anti-corrosion design guidelines;
---Part 5.Circulating cooling system.
This part is part 4 of HY/T 187.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by the Ministry of Natural Resources of the People's Republic of China.
This part is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283).
Drafting organizations of this section. Tianjin Institute of Desalination and Comprehensive Utilization, Ministry of Natural Resources, Tianjin SDIC Jinneng Power Generation Co., Ltd., Tianjin
Bohua Engineering Co., Ltd.
The main drafters of this section. Gao Lili, Hou Xiangyu, Wang Yinzhong, Zhang Wenshuai, Cui Zhendong, Yang Bingzhou, Wang Weizhen, Jin Yapeng.
Design specification for sea water circulating cooling system
Part 4.Material selection and anti-corrosion design guidelines
1 Scope
This part of HY/T 187 specifies the heat exchanger (condenser), seawater cooling tower, pipeline, circulating pump and valve in the seawater circulating cooling system
The material selection and anti-corrosion technical requirements of the door.
This section applies to the reasonable selection of equipment engineering materials in the engineering design of seawater circulating cooling systems. Sea water once-through cooling system and others
The sea water system can be implemented by reference.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 3625 Titanium and titanium alloy tubes for heat exchangers and condensers
GB/T 8890 Copper alloy seamless pipe for heat exchanger
GB/T 21448-2008 Technical specification for cathodic protection of buried steel pipelines
GB/T 23248-2009 Design code for seawater circulating cooling water treatment
JTJ275 Technical Specification for Corrosion Prevention of Concrete Structures in Seaport Engineering
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Sea water circulating cooling system
A water supply system that uses seawater as the cooling medium and circulates. It consists of heat exchange equipment, seawater cooling towers, water pumps, pipelines and other
Close equipment composition.
[GB/T 23248-2009, definition 3.1]
3.2
Corrosion rate
The average corrosion depth calculated based on the metal corrosion weight loss, in mm/a.
[HY/T 203.1-2016, definition 3.8]
3.3
Galvanic corrosion
Corrosion due to the effect of corrosive batteries.
Note. The term is limited to the role of bimetallic corrosion batteries, namely bimetallic corrosion.
[GB/T 10123-2001, definition 3.12]
3.4
Electrochemical protection
Corrosion protection through electrochemical control of the corrosion potential.
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