NB/T 10531.1-2021Methods for energy saving of boom-type roadheaders - Part 1: Longitudinal-axis roadheaders (English PDF)
悬臂式掘进机节能技术方法 第1部分：纵轴式掘进机
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
January 7, 2021
Implementation date
April 1, 2021
Scope
NB/T 10531.1-2021 is the English-translated version of 悬臂式掘进机节能技术方法 第1部分：纵轴式掘进机.
NB/T 10531.1-2021 is Part 1 of the energy industry series on energy-saving methods for boom-type roadheaders and deals with longitudinal-axis machines, while Part 2 treats transverse-axis machines.
The part gives general requirements, energy-saving technical methods and the inspection used to confirm the savings, with terms defined for the cutting unit, the loading mechanism, the loading and conveying unit and the variable displacement pump.
Appendices provide an outline for an energy-saving operation plan and a test data record table, and MT/T 238.3 supplies the basic roadheader terminology. It is meant to guide roadheader manufacturers and mines in applying energy-saving technology. It was issued on 7 January 2021 and has applied since 1 April 2021.
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Document preview — NB/T 10531.1-2021
National Standard of the People's Republic of China
- Classification
- D 92
Issued by: National Energy Administration of the People's Republic of China
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General requirements
- 5 Energy-saving technical methods
- 6 Inspection
- Appendix A (informative appendix) Energy-saving operation plan outline
- Appendix B (informative appendix) Test data record table
Foreword
NB/T 10531 "Technical Methods for Energy Conservation of Cantilever Tunnel Boring Machines" is divided into two parts.
---Part 1: Longitudinal boring machine;
---Part 2: Horizontal boring machine.
This part is part 1 of NB/T 10531.
This part was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This part of NB/T 10531 specifies the general energy-saving technology of longitudinal tunneling machine (hereinafter referred to as tunneling machine) in cantilever tunneling machine Requirements, energy-saving technical methods and inspections.
This section is suitable for guiding the production and use of advanced energy-saving technology applications for roadheaders.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB 3836 (all parts) Classification of explosive atmospheres
GB 4793.1 Safety requirements for electrical equipment for measurement, control and laboratory use Part 1: General requirements
GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components
GB/T 15408 Security system power supply technical requirements
GB/T 20522 Semiconductor Sensor Part 14-3.Semiconductor Sensor --- Pressure Sensor
MT/T 163 direct reading dust concentration measuring instrument general technical conditions
MT/T 238.3 Cantilever roadheader Part 3: General technical conditions
MT/T 291.2 Inspection specification for hydraulic cylinder of cantilever roadheader
3 Terms and definitions
The following terms and definitions defined in MT/T 238.3 apply to this document.
3.1 Cutting unit
It is composed of cutting head, gear box, electric motor, turntable, etc. It has the function of crushing coal and rock and other materials. [MT/T 238.3-2006, definition 3.4]
3.2 Loading mechanism
A mechanism that collects and loads the materials cut by the roadheader on the conveyor. [MT/T 922-2002, definition 3.1]
3.3 Loading and conveying unit
The general term for loading and intermediate conveyors. [MT/T 238.3-2006, definition 3.7]
3.4 Variable displacement pump
Pump with adjustable displacement.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB 4793.1Safety requirements for electrical equipment for measurement,control,andlaboratory use-Part 1:General requirements
- GB/T 3766Hydraulic fluid power -- General rules and safety requirements for systems and their components
- GB/T 15408Technical requirement of power-supply for security & protection system
- GB/T 20522Semiconductor devices -- Part 14-3: Semiconductor sensors -- Pressure sensors
- MT/T 238.3Boom-type roadheader. Part 3: General technical condition
GB 3836 · MT/T 163 · MT/T 291.2
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Related Standards
GB 3836.1-1983 — Electrical apparatus for explosive atmosphere--General requirements
GB 3836.1-2000 — Electrical apparatus for explosive gas atmospheres-Part 1: General requirements
GB 3836.1-2010 — [Replaced by GB/T 3836.1-2021] Explosive atmospheres - Part 1: Equipment - General requirements
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