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GB/T 29464-2023: Steam-driven jet heat exchanger
Status: Valid GB/T 29464: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29464-2023 | English | 599 |
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5 days [Need to translate]
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Steam-driven jet heat exchanger
| Valid |
GB/T 29464-2023
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| GB/T 29464-2012 | English | 879 |
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Steam-driven jet heat exchanger
| Obsolete |
GB/T 29464-2012
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PDF similar to GB/T 29464-2023
Basic data | Standard ID | GB/T 29464-2023 (GB/T29464-2023) | | Description (Translated English) | Steam-driven jet heat exchanger | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J75 | | Classification of International Standard | 71.120.30 | | Word Count Estimation | 29,223 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-05-23 | | Older Standard (superseded by this standard) | GB/T 29464-2012 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 29464-2023: Steam-driven jet heat exchanger---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 71:120:30
CCSJ75
National Standards of People's Republic of China
Replacing GB/T 29464-2012
Two-phase flow jet heat exchanger
Released on 2023-05-23
2023-05-23 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
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:
This document replaces GB/T 29464-2012 "Two-phase flow jet heat exchanger": Compared with GB/T 29464-2012, except for structural adjustment
In addition to rectification and editorial changes, the main technical changes are as follows:
a) Changed the definition of two-phase jet heat exchanger (see 3:1:1, 3:1 of the:2012 edition);
b) Change "loss of boosting ability" in the term definition to "unable to work stably" (see 3:1:3, 3:1:4, 3:1:8,:2012 edition
3:4, 3:9);
c) The maximum heating temperature rise, maximum inlet steam pressure, minimum water inlet pressure, maximum water inlet pressure, ejector heat transfer, and resistance coefficient have been added
Terms and definitions (see 3:1:5, 3:1:9, 3:1:10, 3:1:11, 3:1:13, 3:1:18);
d) The structure description of the two-phase jet heat exchanger has been changed (see 4:3:1, 4:3:2, 4:4, 4:3:1, 4:3:2, 4:4 of the:2012 edition);
e) Some symbols and calculation formulas have been changed (see 3:2, 6:2, 6:3, 6:4, 6:1, 6:2, 6:3, 6:4 of the:2012 edition);
f) Added design description, performance check, system design, and operating parameters (see 6:1, 6:6, 6:7, 6:8);
g) Added the content of limit performance test (see 8:5:5):
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by the National Standardization Technical Committee of Boilers and Pressure Vessels (SAC/TC262):
This document is drafted by: Xi'an Jiaotong University, Shanghai Lanbin Petrochemical Equipment Co:, Ltd:, Luoyang Zhonglan New Energy Development Co:, Ltd:,
Luoyang High-tech Thermal Power Co:, Ltd:, Hangzhou Hongze New Energy Co:, Ltd:, Hangzhou Special Equipment Inspection and Research Institute, China Special Equipment Inspection and Research Institute
Research Institute, Gansu Lanke Petrochemical High-tech Equipment Co:, Ltd:, Shanghai Lanhai Kechuang Testing Co:, Ltd:, Henan Provincial Boiler and Pressure Vessel Safety Inspection
Luoyang Branch of the Research Institute of Measurement:
The main drafters of this document: Yan Junjie, Cao Hui, Liu Jiping, Zhou Wenxue, Bai Bofeng, Luo Zili, Zhou Shen, Liu Yanlei, Zhong Daotong, Zhang Ruiwu,
Chen Zhanyang, Chen Zhiwei, Yu Bing, Liu Ying, Jiang Chen:
This document was first published in:2012, and this is the first revision:
Two-phase flow jet heat exchanger
1 Scope
This document specifies the materials, design, manufacture, inspection, acceptance and installation and use of two-phase flow ejector heat exchangers (hereinafter referred to as ejectors):
Require:
This document is applicable to the fields of energy and power, petrochemical industry, refrigeration and air conditioning, central heating, domestic and production process hot water, etc:
Steam is the heat source, and the injector realizes heat exchange through the mixing of gas and liquid:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 150:1 Pressure Vessels Part 1: General Requirements
GB/T 150:4 Pressure Vessels Part 4: Manufacture, Inspection and Acceptance
GB/T 191 Packaging, storage and transportation icon marks
GB/T 699 High Quality Carbon Structural Steel
GB/T 700 carbon structural steel
GB/T 983 stainless steel welding rod
GB/T 1226 General pressure gauge
GB/T 3768 Acoustic sound pressure method Determination of sound power level and sound energy level of noise source using the simple method of enveloping the measuring surface above the reflecting surface
GB/T 3985 Asbestos rubber sheet
GB/T 4622 (all parts) spiral wound gaskets for pipe flanges
GB/T 5117 Non-alloy steel and fine grain steel welding rod
GB/T 5118 heat-strength steel welding rod
GB/T 5231 Processed copper and copper alloy grades and chemical composition
GB/T 5574 Industrial rubber sheet
GB/T 8163 seamless steel pipe for conveying fluid
GB/T 12232 General Valve Flange Connection Iron Gate Valve
GB/T 12233 General valve iron globe valve and lift check valve
GB/T 12238 Flange and Wafer Connection Elastic Seal Butterfly Valve
GB/T 13296 Boiler and Heat Exchanger Stainless Steel Seamless Tubes
GB/T 13384 General Technical Specifications for Packaging of Mechanical and Electrical Products
GB/T 14976 Stainless Steel Seamless Steel Tubes for Fluid Transmission
GB/T 19066 (all parts) metal corrugated composite gaskets for pipe flanges
JB/T 8803 bimetallic thermometer
NB/T 47008 Carbon steel and alloy steel forgings for pressure equipment
NB/T 47010 Stainless steel and heat-resistant steel forgings for pressure equipment
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