GB/T 45649-2025_English: PDF (GB/T45649-2025)
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Technical guidelines for the application of coaxial turbine units in metallurgical waste heat and pressure energy recovery
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| Standard ID | GB/T 45649-2025 (GB/T45649-2025) | | Description (Translated English) | Technical guidelines for the application of coaxial turbine units in metallurgical waste heat and pressure energy recovery | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H04 | | Classification of International Standard | 77.010 | | Word Count Estimation | 10,110 | | Date of Issue | 2025-04-25 | | Date of Implementation | 2025-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
GB/T 45649-2025.Technical Guidelines for Application of Coaxial Units for Metallurgical Waste Heat and Pressure Energy Recovery
ICS 77-010
CCSH04
National Standard of the People's Republic of China
Application of coaxial unit for metallurgical waste heat and pressure energy recovery
Technical Guide
Released on 2025-04-25
2025-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Preface
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 Iron and Steel Association.
This document is under the jurisdiction of the National Technical Committee on Steel Standardization (SAC/TC183).
This document was drafted by. Xi'an Shaangu Power Co., Ltd., Metallurgical Industry Information Standards Research Institute, Jigang Group International Engineering Technology
Co., Ltd. and Hesteel Group Co., Ltd.
The main drafters of this document are. Liu Yongjun, Liu Zhong, Zhang Xiaolong, Huang Meichun, Wang Jiangwei, Yu Huanhuan, Qiu Jinhui, Yan Tao, Qiang Ke, Chen Jian,
Luan Yuandi, Liu Haijun, Yang Nan, Ji Tingting, Tan Xiaoping, Zhang Ruopeng, Yu Jingyao, Zhang Yuanchun.
Application of coaxial unit for metallurgical waste heat and pressure energy recovery
Technical Guide
1 Scope
This document provides the basic principles, application scenarios, application effects, equipment selection, and clinical application of coaxial units for metallurgical waste heat and pressure energy recovery.
Technical guidelines for speed limit, noise control and equipment operation and maintenance.
This document is applicable to the coaxial unit technology involving the recovery and utilization of waste heat and waste pressure in the metallurgical field, and can be used as a reference in other fields.
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 1029 Test methods for three-phase synchronous motors
GB/T 1032 Test methods for three-phase asynchronous motors
GB/T 2888 Methods of measuring noise of fans and Roots blowers
GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components
GB/T 3836.1 Explosive atmospheres Part 1.General requirements for equipment
GB/T 4208 Enclosure protection grade (IP code)
GB/T 8542 Technical specification for high-speed gear transmission
GB/T 28246 Blast furnace gas energy recovery turboexpander
GB/T 28574 Special purpose steam turbines for petroleum, petrochemical and natural gas industries
GB/T 50087 Industrial enterprise noise control design specification
GB 50584-2010 Technical specification for gas residual pressure power generation device
HJ2034-2013 Technical Guidelines for Environmental Noise and Vibration Control Engineering
JB/T 2728.1 Gas coolers for motors Part 1.General provisions
JB/T 4359 General purpose axial flow compressors
JB/T 4365 Special lubrication, shaft sealing and control oil systems
JB/T 7258 General purpose centrifugal blowers
JB/T 7259 Centrifugal blowers for sintering plants
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Coaxial turbine units
A unit driven by two or more energy sources, with the same or different speeds, and working on the same axis.
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