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GB/T 41099-2021Specifications for monitoring system for reciprocating compressors (English PDF)

往复活塞压缩机监测系统规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2021

Implementation date

July 1, 2022

Scope

GB/T 41099-2021 is the English-translated version of 往复活塞压缩机监测系统规范.

GB/T 41099-2021 sets out requirements for monitoring systems for reciprocating piston compressors.

After defining terms such as whole-cycle data acquisition, key phase monitoring, synchronous acquisition on all channels and continuous data acquisition, it gives general requirements, monitoring requirements with the monitoring categories, sensor locations, sensor selection, signal collection and alarms, the basic parameters of the sensors, and the analysis and diagnosis functions of the monitoring software.

It then covers signal processing and feature extraction, parameter alarms with analysis and diagnosis, and the monitoring analysis report.

Informative annexes give normal ranges of the monitored signals, sensor measuring point configurations and layouts for machines with and without crosshead and piston rod, the calculation of characteristic parameters, a table of common fault features and a report template. It was issued on 31 December 2021 and has applied since 1 July 2022.

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Document preview — GB/T 41099-2021

National Standard of the People's Republic of China

ICS: 23.140
Classification: J 72

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 General Requirements
5 Monitoring requirements
6 Monitoring software
7 Signal Processing and Feature Extraction
8 Parameter alarm and analysis and diagnosis
9 Monitoring and Analysis Report
Appendix A (Informative) Monitoring Signal Normal Range
Appendix B (Informative) Common Sensor Measurement Point Configuration Scheme
Appendix C (Informative) Installation and Layout Scheme of Commonly Used Sensor Measuring Points
Appendix D (informative) Calculation method of monitoring characteristic parameters
Appendix E (Informative) Common Fault Monitoring Characteristics Comparison Table
Appendix F (Informative) Monitoring Analysis Report Template
Reference

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 of Standardization Documents" drafted.

1 Scope

This document specifies the terms and definitions, general requirements, monitoring requirements, Monitoring software, signal processing and feature extraction, parameter alarm and analysis and diagnosis, monitoring analysis report.

This document applies to monitoring systems for reciprocating piston compressors.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB 3836.1 Explosive Atmospheres Part 1. General Requirements for Equipment

GB/T 20921 Machine Condition Monitoring and Diagnosis Vocabulary

3 Terms and Definitions

The terms and definitions defined in GB/T 20921 and the following apply to this document.

3.1 Reciprocating piston compressor monitoring

Through the data acquisition equipment, the key phase, vibration, offset, temperature, pressure and other information of the reciprocating piston compressor are collected online and offline.

After a series of data processing such as filtering, amplification and feature extraction, the characteristic parameters of the operating state of the reciprocating piston compressor are obtained, which are stored in the data Processing and storage equipment to monitor and analyze the running state of the reciprocating piston compressor.

3.2 The whole cycle data acquisition

The data is collected according to the periodic operation of the reciprocating piston compressor, and the length of the data corresponds to the operation of one or more reciprocating piston compressors. cycle.

3.3 Keyphase monitoring

Monitor reciprocating piston compressor crank angle and Reference azimuth signal for each cylinder piston position.

3.4 Synchronous data acquisition of all channels

All acquisition channels of a single or multiple data acquisition devices complete data acquisition synchronously according to unified instructions.

3.5 Continuous data acquisition

According to a certain sampling rate, data collection is carried out continuously and without omission, so as to realize the continuous working cycle of vibration, offset and rotation speed of the reciprocating piston compressor. Monitoring of other signals.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 20921Condition monitoring and diagnostics of machines - Vocabulary

GB 3836.1

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