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GB/T 30554-2014: Terminology of screw expander
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| GB/T 30554-2014 | English | 559 |
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Terminology of screw expander
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GB/T 30554-2014
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Basic data | Standard ID | GB/T 30554-2014 (GB/T30554-2014) | | Description (Translated English) | Terminology of screw expander | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K59 | | Classification of International Standard | 27.040 | | Word Count Estimation | 24,219 | | Date of Issue | 5/6/2014 | | Date of Implementation | 10/28/2014 | | Regulation (derived from) | National Standards Bulletin No. 9 2014 | | 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 | | Summary | This Standard specifies the special terminology screw expander (group) and ancillary devices. This Standard applies to screw expander to develop industry standards and the preparation of technical documents, professional writing and translation of manuals | GB/T 30554-2014: Terminology of screw expander---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.
Terminology of screw expander
ICS 27.040
K59
National Standards of People's Republic of China
Screw expander term
Issued on. 2014-05-06
2014-10-28 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 screw expander 1
2.1 screw expander type and type 1
2.2 screw expander general terms, principles and design 1
2.3 Structure and parts of screw expander 3
2.4 screw expander auxiliary equipment 5
2.5 screw expander (group) performance test 6
3 screw expander thermodynamic system and bypass system 8
3.1 screw expander 8 Thermal System
3.2 screw expander hot bypass system 8
4 condensing device 9
4.1 Condensing equipment type and type 9
4.2 Condensing equipment in general terms, principles and design 9
4.3 Condensing equipment construction and parts 10
Auxiliary equipment 4.4 Condensing equipment 10
4.5 steam condensate performance and test equipment 11
Evaporator device 11 5
5.1 evaporator type of equipment with the type 11
5.2 Evaporator equipment in general terms, principles and design 12
5.3 Evaporator device structure and parts 12
Auxiliary equipment 12 5.4 vaporizer device
5.5 Performance and Test 13
Index 14
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Electrical Equipment Industrial Association.
The standard screw expander by the National Standardization Technical Committee (SAC/TC512) centralized.
This standard drafting of the main unit. Jiangxi Huadian Power limited liability company.
Participated in the drafting of this standard. Chinese Academy of Sciences Institute of Engineering Thermophysics, Shanghai Jiaotong University, Xi'an Thermal Power Research Institute, Hefei General Machine
Mechanical Institute.
The main drafters of this standard. Yehuda, Yu Yuefeng, Huan Cho, Yu Xuan Long, Shiyan Zhou, Zhu Binxiang.
Screw expander term
1 Scope
This standard defines the specific terminology screw expander (group) and ancillary devices.
This standard applies when the screw expander to develop industry standards and preparation of technical documents, professional preparation and translation of manuals, textbooks and books can also be
Referring use.
2 screw expander
2.1 Types and type of screw expander
2.1.1
Screw expander screwexpander
Working fluid within the rotor casing with a helical groove of expansion, driven rotation of the rotor, the rotor and the external work output volume expander.
2.1.2
Twin screw expander twinscrewexpander
Two screws engaged with each other by the composition of the expander screw.
2.1.3
Single-screw expander singlescrewexpander
It consists of a screw and star wheel consisting of two or more screw expander.
2.1.4
Screw back pressure expansion unit backpressurescrewexpanderunit
Will be higher than the atmospheric pressure exhaust steam for heating or other purposes screw expander and ancillary systems.
2.1.5
Condensing steam screw expander unit condensatescrewexpanderunit
Directly into the condenser exhaust steam screw expander and ancillary systems.
2.1.6
Organic Rankine Cycle screw expander unit organicRankinecyclescrewexpanderunit
Organic Rankine Cycle unit consists of screw expansion screw expander, an evaporator, a condenser and refrigerant pump and other components. Fluid through the first heat
Evaporator heating low boiling point working fluid, after screw expander to generate steam to promote the rotation, after the exhaust steam condenses in the condenser is pumped from the refrigerant to the evaporator
recycle. Generally known as double loop screw expansion unit.
2.2 screw expander general terms, principles and design
2.2.1
Throttle throttlegoverning
By controlling the valve opening of the throttle to change the flow of steam, in order to control the parameters of screw expander power adjustment method.
2.2.2
Bypass adjustment bypassgoverning
By controlling the degree of opening of the bypass valve to adjust the screw expander power adjustment method.
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