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GB/T 34578-2017Technical requirements for operation,maintenance and test of instrumentation and actuating equipment in thermal power plant (English PDF)

火力发电厂热工仪表与执行装置运行维护与试验技术规程

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 29, 2017

Implementation date

April 1, 2018

Scope

GB/T 34578-2017 is the English-translated version of 火力发电厂热工仪表与执行装置运行维护与试验技术规程.

GB/T 34578-2017 is the Chinese standard "Technical requirements for operation,maintenance and test of instrumentation and actuating equipment in thermal power plant".

Its scope clause reads: This standard specifies the thermal power generating units thermal instrumentation and implementation of equipment overhaul, operation and maintenance of the test content, methods and technical management should Reached the request.

This standard applies to thermal power plants have been put into operation on-site thermal instrumentation and implementation of the device overhaul, operation and maintenance and testing. Its clauses include terms and definitions.

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Document preview — GB/T 34578-2017

National Standard of the People's Republic of China

ICS
27.100
Classification
F 23

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

Contents

  • Preface
  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions
  • 4 General
  • 5 instruments and installations overhaul and test
  • 5.1 basic overhaul and test
  • 5.2 digital instrument repair and adjustment
  • 5.3 Detection switch maintenance and test
  • 5.4 temperature detection instrumentation overhaul and test
  • 5.5 pressure, flow, liquid level gauge repair and test
  • 5.6 zirconia oxygen analyzer repair and test
  • 5.7 mechanical instrumentation maintenance and testing
  • 5.8 Other testing equipment inspection and test
  • 5.9 Implementation of instrumentation and instrument maintenance and testing
  • 6 Public system overhaul and test
  • 6.1 Power System Overhaul and Test
  • 6.2 grounding system maintenance and testing
  • 6.3 protective equipment repair and test
  • 6.4 instrument gas source maintenance and test
  • 7 Operation and Maintenance
  • 7.1 Inspection and acceptance after inspection
  • 7.2 put into operation
  • 7.3 Maintenance
  • 7.4 Defect handling
  • 7.5 outage
  • 8.1 operation maintenance maintenance management
  • 8.2 Technical Regulations, Systems and Technical Archives Management
  • 8.3 Thermal instrumentation and implementation of equipment assessment and statistical indicators
  • 8.4 Spare parts storage and management
  • Appendix A (informative) Thermal instrumentation and implementation of equipment maintenance project management
  • Appendix B (Informative) Measurement, error and test terms
  • Appendix D (Informative) Thermal instrumentation and implementation of technical management records

1 Scope

This standard specifies the thermal power generating units thermal instrumentation and implementation of equipment overhaul, operation and maintenance of the test content, methods and technical management should

Reached the request.

This standard applies to thermal power plants have been put into operation on-site thermal instrumentation and implementation of the device overhaul, operation and maintenance and testing.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 4830 Industrial Automation Instrumentation gas source pressure range and quality

GB/T 13983 instrumentation basic terminology

Thermal power station monitoring system terminology

Specification for Construction and Quality Acceptance of Automation Instrumentation Engineering

Technical Guidelines for Reliability Assessment of Thermal Power Automation Systems in Thermal Power Plants

Thermal power plant thermal power automation system maintenance operation and maintenance procedures

DL/T 5004 thermal power plant test, repair equipment and construction area allocation guidelines

3 Terms and definitions

GB/T 26863, GB/T 13983 and defined by the following terms and definitions apply to this document.

3.1 Importance classification

Within the specified conditions and the prescribed time interval, the thermal automation system or equipment involved in the unit shall, according to the fault, affect the unit heat

Force system safety, economy, environmental protection and continuous operation of the state classification process.

3.1.1 A class classA

The failure of this equipment poses a serious threat to the safe operation of the unit (and its associated critical equipment) and may result in personal safety,

The unit is interrupted and the environmental monitoring function is lost or the environment is seriously polluted.

3.1.2 Class B

The equipment failure will lead to the control object part of the function out of control, although a short time will not directly affect the unit safety, environmental monitoring and other work

Can, but improperly handled will indirectly affect the control function, resulting in decreased control output, control of major auxiliary equipment tripping, the main automatic

The system can not be automatically voted automatically, the main equipment chain can not be invested, or thermal control equipment within the control of the main loss of monitoring signals.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 37 pages — is available in the English PDF.

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