GB/T 30555-2014 English PDF

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GB/T 30555-2014: Rules for screw expander (unit) thermal acceptance test
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 30555-2014	599	Add to Cart	5 days	Rules for screw expander (unit) thermal acceptance test	Valid

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Basic data

Standard ID: GB/T 30555-2014 (GB/T30555-2014)
Description (Translated English): Rules for screw expander (unit) thermal acceptance test
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K59
Classification of International Standard: 27.040
Word Count Estimation: 26,243
Date of Issue: 5/6/2014
Date of Implementation: 10/28/2014
Quoted Standard: GB/T 2624.1; GB/T 2624.2; GB/T 2624.3; GB/T 2624.4; GB 3102.3; GB/T 8117.1-2008; GB/T 30554-2014
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 test methods and computer program for low temperature waste heat to generate electricity or drive back pressure and condensing steam screw expander (Group) Thermal Performance. This Standard specifies test preparation, uniform

GB/T 30555-2014: Rules for screw expander (unit) thermal acceptance test

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Rules for screw expander (unit) thermal acceptance test ICS 27.040 K59 National Standards of People's Republic of China Screw expander (group) performance acceptance testing procedures 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

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms, definitions and symbols 1 3.1 Terms and definitions 3.2 Symbols and Definitions 2 3.3 ensure that the definition of values \u200b\u200b3 4 Guideline 4 Preplanning 4.1 Test 4 4.2 Test preparation phase of the agreement and arrangement 4 Measuring 4.3 test boundaries and needed 4 4.4 Test Program 6 7 4.5 Test preparation 4.6 Test tuning 7 4.7 Acceptance Test 8 Repeat 9 4.8 Acceptance Test 4.9 Test Uncertainty 9 5 measurement technology and instrumentation 9 5.1 Overview 9 12 5.2 Power Measurement 5.3 Flow Measurement 13 5.4 pressure measurement 15 5.5 Condensing screw expander exhaust pressure measurement 16 5.6 Temperature measurement 16 5.7 steam quality measurement 18 6 The results of calculation 18 6.1 Calculation ready before 18 6.2 Calculation of results 18 Comparative test results and amendment 7 with the guaranteed value of 20 7.1 guaranteed and guaranteed working conditions 20 7.2 steam consumption rate and output power of 20 amendments Generating capacity of 7.3 units of thermal fluid amendment 20 7.4 Correction 21 7.5 Fixed variables considered in 21 7.6 Comparison with the guaranteed value of 21 References 22

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 Mission Moon Bay Gas Turbine Power Plant. The main drafters of this standard. Shi Yanzhou, Huda, Wang Xingping, Yu Yuefeng, Su Jian. Screw expander (group) performance acceptance testing procedures

1 Scope

This standard specifies the test methods for low temperature waste heat power generation or driving (group) and thermal performance with a back-pressure condensing steam screw expander and Calculation program. This standard specifies the test preparation, uniform rules implementation and evaluation, also contains details of the test conditions. This standard applies to two-phase working fluid as soda, saturated steam or superheated steam screw expander unit, and a non-water as the working fluid (such as a low boiling point Working fluid) twin screw expander cycle unit. If you have any complex or special cases, the manufacturer and the purchaser not covered by this standard should reach an appropriate agreement before signing the contract.

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 2624 (all parts) with a differential pressure measuring device mounted to round pipe full pipe fluid flow (ISO 5167 (all Part).2003) GB 3102.3 Quantities and units of mechanics GB/T 8117.1-2008 steam turbine thermal acceptance tests - Part 1. Method A --- Large Condensing Steam Turbine High accuracy test (IEC 60953-1.1990) GB/T 30554-2014 screw expander term 3 Terms, definitions and symbols 3.1 Terms and Definitions GB/T 30554-2014 define the following terms and definitions apply to this document. 3.1.1 Rated condition ratedcondition Under the provisions of (contract) conditions, screw expander at rated inlet and outlet parameters and speed operating conditions. 3.1.2 Rated power ratedpoweroutput Screw expander running at rated conditions, regulating valve fully open when power issued screw expansion function. This power is also called the nameplate power. 3.1.3 Gross output power grosspoweroutput Generator terminal screw expansion unit measured output power. 3.1.4 Auxiliary power consumption auxiliarypower Screw expansion unit for all electrical equipment electric power consumed. 3.1.5 The net power output netpoweroutput By the end of the generator output power measured gross deducted auxiliary power consumption, to obtain the net power output of the unit. ......

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