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GB/T 45821-2025: Turbine compressors for ammonia and urea plant
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45821-2025 | English | 459 |
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Turbine compressors for ammonia and urea plant
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GB/T 45821-2025
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Basic data | Standard ID | GB/T 45821-2025 (GB/T45821-2025) | | Description (Translated English) | Turbine compressors for ammonia and urea plant | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J72 | | Classification of International Standard | 23.120 | | Word Count Estimation | 22,299 | | Date of Issue | 2025-05-30 | | Date of Implementation | 2025-05-30 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45821-2025: Turbine compressors for ammonia and urea plant---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.
ICS 23.120
CCSJ72
National Standard of the People's Republic of China
Turbo compressors for fertilizer plants
Released on 2025-05-30
2025-05-30 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Abbreviations 2
5 Category 2
5.1 Fertilizer plant 2
5.2 Compressors for synthetic ammonia plants 3
5.3 Compressors for urea plants 3
5.4 Compressors for nitric acid plants 3
6 Technical Requirements 3
6.1 General requirements 3
6.2 Mechanical structure 3
6.3 Aerodynamic performance 5
6.4 Rotor dynamics 5
6.5 Materials 6
6.6 Painting 6
6.7 Auxiliary equipment 6
6.8 Automatic Control and Remote Monitoring 9
6.9 Mechanical properties evaluation 11
7 Test methods 12
7.1 General requirements 12
7.2 Aerodynamic performance calibration 12
7.3 Noise 13
8 Inspection Rules 13
8.1 General requirements 13
8.2 Factory Inspection 14
9 Packaging, transportation and storage 15
9.1 Packaging 15
9.2 Transportation16
9.3 Storage 16
Reference 17
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Fans (SAC/TC187).
This document was drafted by. Shenyang Blower Group Co., Ltd., Shenyang Turbine Machinery Co., Ltd., Xi'an Jiaotong University, Shenyang Blower
Institute (Co., Ltd.), China Wuhuan Engineering Co., Ltd., Saiding Engineering Co., Ltd., Donghua Engineering Technology Co., Ltd., Shandong Province Zhang
Qiu Blower Co., Ltd., Hubei Sanfeng Turbine Equipment Co., Ltd., Shanghai Electric Blower Factory Co., Ltd., Hangzhou Zhongneng Turbine
Machinery Equipment Co., Ltd., Northeastern University, Henan Xinlianxin Chemical Industry Group Co., Ltd., Xi'an Shaangu Power Co., Ltd.
company.
The main drafters of this document are. Zhang Yong, Qi Zhigang, Xi Guang, Yang Shuhua, Sun Yuying, Sun Jingwei, Zhao Pusheng, Chen Xiaosong, Zhang Shengtao, Zheng Zihao,
Yang Zhihuan, Wang Libo, Li Chaofeng, Gu Zhaohui, Zhang Shuang, Chen Xu, Hao Yuming, Li Yuhong, An Zhiwei, Wu Ziting, Li Yaozu, Ge Liling, Hua Rui,
Wang Yubo, Guo Feihu, Li Shengjun, Liu Yichen, Bai Hongming, Guo Yang.
Turbo compressors for fertilizer plants
1 Scope
This document specifies the technical requirements, test methods, inspection rules, packaging, transportation and storage of turbo compressors used in fertilizer plants.
This document applies to air compressors, raw gas compressors, synthesis gas compressors, ammonia compressors, and carbon dioxide compressors for fertilizer plants.
Manufacturing of turbo compressors (referred to as “compressors”) such as turbo compressors and nitrogen oxide compressors.
This document does not apply to integrally geared centrifugal compressors.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 755 Ratings and performance of rotating electrical machines
GB/T 1174 Casting bearing alloys
GB/T 3141-1994 ISO viscosity classification for industrial liquid lubricants
GB/T 3767 Acoustics - Determination of sound power level and sound energy level of noise source by sound pressure method - Engineering method for approximate free field above reflecting surface
GB/T 3836 (all parts) Explosive atmospheres
GB/T 9239.1-2006 Mechanical vibration steady-state (rigid) rotor balancing quality requirements Part 1.Specifications and balance tolerances
test
GB/T 18329.1 Sliding bearings Multilayer metal sliding bearings Part 1.Ultrasonic testing of bonded bearings with alloy thickness ≥ 0.5 mm
Nondestructive Testing
GB/T 18329.3 Sliding bearings Multilayer metal sliding bearings Part 3.Non-destructive penetrant testing
GB 18613 Energy efficiency limit values and energy efficiency grades for electric motors
GB/T 20801 (all parts) Pressure piping specification Industrial piping
GB/T 25630-2010 Turbine compressor performance test procedures
GB/T 28574 Special purpose steam turbines for petroleum, petrochemical and natural gas industries
GB 31571 Petrochemical Industry Pollutant Emission Standard
GB/T 37400.12 General technical requirements for heavy machinery Part 12.Painting
GB/T 42601.1 Petroleum, heavy chemical and natural gas industries lubrication, shaft sealing and control oil systems and auxiliary equipment Part 1.
General Requirements
HG/T 20615 Steel Pipe Flange (Class Series)
HG/T 20623 Large Diameter Steel Pipe Flange (Class Series)
JB/T 2977 Terminology of industrial ventilators, turbo blowers and compressors
NB/T 47013.2 Nondestructive testing of pressure equipment Part 2.Radiographic testing
NB/T 47013.3 Nondestructive testing of pressure equipment Part 3.Ultrasonic testing
NB/T 47013.5 Nondestructive testing of pressure equipment Part 5.Penetrant testing
ISO 6368 Dry gas sealing systems for axial, centrifugal and rotary screw compressors and expanders in the petroleum, heavy chemical and natural gas industries
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