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GB/T 32354-2015: Technical specification of screw expander (unit)
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32354-2015 | English | 489 |
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Technical specification of screw expander (unit)
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GB/T 32354-2015
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Basic data | Standard ID | GB/T 32354-2015 (GB/T32354-2015) | | Description (Translated English) | Technical specification of screw expander (unit) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K59 | | Classification of International Standard | 27.040 | | Word Count Estimation | 23,211 | | Date of Issue | 2015-12-31 | | Date of Implementation | 2017-01-01 | | Regulation (derived from) | State Standard Announcement 2015 No.43 | | 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 | GB/T 32354-2015: Technical specification of screw expander (unit)---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.
Technical specification of screw expander (unit)
ICS 27.040
K59
National Standards of People's Republic of China
Screw expander (group) Technical Specifications
Issued on. 2015-12-31
2017-01-01 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 Normative references 1
3 Terms and definitions
Guaranteed 4 5
5 Adjust 6
6 operation and maintenance 6
8 7 member
8 9 basis and buildings
9 screw expander auxiliary systems 10
10 Meter 10
11 protection system 12
12 12 Vibration
13 Noise 13
14 Inspection and testing 13
14 15 Delivery and Installation
Design information to be provided by the demand side 16 14
16 17 supplier shall provide information
References 17
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. Xi'an Thermal Power Research Institute Co., Ltd., Shanghai Power Equipment Research Institute, Shenzhen Energy Set
Group Company.
The main drafters of this standard. Su Jian, Huda, Shiyan Zhou, Xuan Yu Long, Wang Xingping.
Screw expander (group) Technical Specifications
1 Scope
This standard specifies the definitions of the terms of the screw expander (group) equipment to ensure value adjustment required operation, maintenance, and parts and the like.
This standard applies to the working fluid temperature range of 120 ℃ ~ 300 ℃, pressure is less than 3.0MPa, the pressure difference is not screw expander
1.5MPa in soda mixture, saturated steam or superheated steam screw expander (group).
Non-hydraulic substance (such as a low boiling point working fluid) organic Rankine cycle screw expander (group) can also use and reference.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 6075.3 Mechanical vibration measurement and evaluation of machine vibration on non-rotating parts - Part 3. rated power greater than
15kW and nominal speeds measured in situ 120r/min to 15000r/min between the industrial machine
GB/T 9239.1 Mechanical vibration steady state (rigid) rotor balance quality requirements - Part 1. Specification and balance tolerance test
GB/T 30554 screw expander term
GB/T 30555 screw expander (group) performance acceptance testing procedures
GB 50126 industrial equipment and pipeline insulation engineering
GB 50264 industrial equipment and pipeline insulation engineering design specifications
JB/T 4127.1 Mechanical seals - Part 1. Technical conditions
IEC 61672-1 electric acoustic sound level meters - Part 1. Specification (Electroacoustics-Soundlevelmeters-Part 1.
Specifications)
3 Terms and Definitions
GB/T 30554 and defined by the following terms and definitions apply to this document.
3.1 Aircraft type screw expansion
3.1.1
Back pressure screw expander backpressurescrewexpander
Without Exhaust Condenser expander will be higher than atmospheric pressure for heating or other purposes screw expander, according to the pressure with heat
User requirements to determine.
3.1.2
Condensing screw expander condensatescrewexpander
Directly into the condenser exhaust steam screw expander, the exhaust pressure is generally lower than the ambient atmospheric pressure.
3.1.3
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
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