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GB/T 50518-2020 PDF English

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GB/T 50518-2020: (Mine Ventilation Safety Equipment Standards (with instructions))
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GB/T 50518: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
GB/T 50518-2020English1319 Add to Cart 8 days [Need to translate] (Mine Ventilation Safety Equipment Standards (with instructions))
GB/T 50518-2010EnglishRFQ ASK 6 days [Need to translate] Standard for the equipment of ventilation safety of coal colliery

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Basic data

Standard ID GB/T 50518-2020 (GB/T50518-2020)
Description (Translated English) (Mine Ventilation Safety Equipment Standards (with instructions))
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard P70
Word Count Estimation 71,753
Date of Issue 2020-01-16
Date of Implementation 2020-07-01
Older Standard (superseded by this standard) GB/T 50518-2010
Regulation (derived from) Ministry of Housing and Urban-Rural Development Announcement No. 27, 2020
Issuing agency(ies) Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation

GB/T 50518-2020: (Mine Ventilation Safety Equipment Standards (with instructions))


---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.
1 General 1.0.1 This standard is formulated to unify the coal mine ventilation safety equipment configuration standards, achieve advanced technology, economical rationality, safety and reliability. 1.0.2 This standard is applicable to the configuration of ventilation safety equipment for newly built, rebuilt and expanded coal mines. 1.0.3 Ventilation safety equipment should proceed from the specific conditions of the mine, adopt new equipment and new materials according to local conditions, and eliminate outdated equipment. 1.0.4 Mine ventilation safety equipment should not only comply with this standard, but also comply with the current relevant national standards. 2 Ventilation, gas detection, gas prevention and safety protection equipment 2.1 Ventilation testing equipment 2.1.1 The main ventilators of large and medium-sized mines should be equipped with an online monitoring system. 2.1.2 The mine should be equipped with ventilation testing instruments and meters such as wind speed, air pressure, temperature, dry humidity, differential pressure, total pressure and static pressure. Requirements for grade identification, anti-wind drills and determination of ventilation resistance. 2.1.3 The configuration of ventilation testing equipment shall comply with the provisions of Appendix A of this standard. 2.2 Gas detection equipment 2.2.1 The mine shall be equipped with a sufficient number of gas detection instruments, and the equipment of methane, carbon dioxide and other harmful gas detection instruments shall meet the following requirements. 1 High and low concentration portable optical methane detectors and portable methane detection and alarm devices should be equipped according to the type of well and the number of mining working faces, and the requirements for inspection sites such as mining working faces and chambers and the number of methane inspections should be guaranteed; 2 The number of oxygen detectors or methane oxygen detectors, small mines should be equipped with 3 to 5 sets, medium mines should be equipped with 5 to 10 sets, and large mines should be equipped with 10 to 15 sets; 3 The number of carbon monoxide detectors, small mines should be equipped with 1 set, medium mines should be equipped with 2 sets, large mines should be equipped with 3 sets; 4 The number of carbon dioxide detectors should not only meet the requirements for checking the carbon dioxide concentration in the air flow of the mining face, the return air lane of the mining area, the total mine return air lane, or one wing return air lane, but also meet the requirements of local ventilation in the area where the wind is stopped when repairing the old mine lane. Carbon dioxide concentration inspection requirements when the machine returns to normal ventilation; the number of carbon dioxide detectors, small mines should be equipped with 3 to 4 sets, medium mines should be equipped with 5 to 8 sets, and large mines should be equipped with 9 to 12 sets; 5 For the quantity of hydrogen sulfide detectors, sulfur dioxide detectors, nitrogen oxide detectors and ammonia detectors, small mines should be equipped with 1 set, medium mines should be equipped with 2 sets, and large mines should be equipped with 3 sets. 2.2.2 Mine should be equipped with methane detector calibrator and gas detection instrument calibration device, etc., and the equipped quantity should meet the following requirements. 1 The number of methane detector calibrator should be determined according to the number of optical interference methane detectors equipped, and it should be equipped with 1 to 3 sets; 2 The number of calibration devices for methane, oxygen, carbon monoxide and other gas detection instruments should be equipped according to the well type or the number of calibration instruments. Small and medium-sized mines should be equipped with 1 set, and large mines should be equipped with 1 to 2 sets. 2.2.3 The configuration of gas detection equipment shall comply with the provisions of Appendix A of this standard. 2.3 Gas detection and prevention equipment 2.3.1 The gas basic parameter measurement equipment for high-gas mines and coal and gas outburst mines shall meet the following requirements. 1 Each mining area should be equipped with 1 to 2 pneumatic drilling rigs; 2 Each mining area should be equipped with 1 to 2 borehole gas flow measuring devices; 3 Each mining area should be equipped with 2 to 3 gas parameter detectors for gas drainage pipelines; 4 One to two sets of coal seam gas pressure measuring devices shall be equipped; 5.One set of portable coal seam gas content detector shall be equipped; 6 Large and medium-sized mines should be equipped with a set of coal seam gas content measurement device; 7 Large and medium-sized mines should be equipped with a set of drainage drilling and sealing quality detector; 8 Each mining area of large and medium-sized mines should be equipped with 1 to 2 sets of coal seam deep hole fixed-point sampling devices. 2.3.2 Low-gas mine gas basic parameter measurement equipment can be selected according to actual needs. 2.3.3 Outburst detection and outburst prevention equipment for coal and gas outburst mines shall meet the following requirements. 1.Each mining and excavation face with outburst danger should be equipped with 1-2 sets of anti-outburst electric drilling rigs and drilling tools; 2.Each mining and excavation face with outburst danger shall be equipped with a set of gas outburst parameter instrument; 3 Each mining and excavation face with outburst danger shall be equipped with a gas outburst hazard forecaster; 4 Each mining area should be equipped with a gas release initial velocity index tester, a coal firmness coefficient tester, a coal drilling cuttings gas desorption instrument, a drilling gas gushing initial velocity tester and a set of 1 to 2 supporting capsule hole sealers. set; 5 Large and medium-sized mines can be equipped with a coal and gas outburst real-time diagnosis and early warning system, and an acoustic emission coal-rock gas dynamic disaster monitoring and forecasting system. 2.3.4 The equipment for measuring basic gas parameters shall comply with the provisions in Appendix B of this standard. 2.3.5 Coal and gas outburst mine outburst detection and outburst prevention equipment configuration shall comply with the provisions of Appendix C of this standard. 2.4 Safety equipment 2.4.1 The mine shall be equipped with an isolated self-rescuer, and the rated protection time shall not be less than 45 minutes. In addition to the number of self-rescuers equipped according to the number of people going into the mine, it should also include the number of self-rescuers equipped at underground shelters and self-rescuer supply stations on disaster avoidance routes. The reserve amount should be calculated as 10% to 20% of the total. 2.4.2 The isolated self-rescuer shall be equipped with a self-rescuer airtight tester, and the quantity should be one for every.200 self-rescuers. 2.4.3 The ambulance equipment of the ambulance team shall comply with the provisions of the current industry standard "Mine Ambulance Regulations" AQ 1008. 2.4.4 Mine should be equipped with underground communication system and emergency broadcasting system. 2.4.5 Coal and gas outburst mines and rock burst mines should be equipped with compressed air self-rescue devices. 2.4.6 The configuration of mine safety protection equipment shall comply with the provisions of Appendix A of this standard.

3 Fire detection and fire prevention and extinguishing equipment

3.1 Fire detection equipment 3.1.1 A spontaneous combustion monitoring system should be established for mines that are prone to spontaneous combustion and coal seams that are prone to spontaneous combustion. 3.1.2 Mining mines prone to spontaneous combustion and spontaneous combustion coal seams, in addition to complying with the provisions of Section 2.2 of this standard, should also be equipped with additional detection instruments such as carbon monoxide, temperature and other harmful gas concentrations. In addition to the regular detection of changes in the concentration of carbon monoxide and other harmful gases and gas temperature in the return air flow, the number of additional allocations should also meet the inspection requirements during the process of rescuing personnel and fire extinguishing, when the fire area is closed, when the fire area is confirmed to be extinguished, and when the fire area is unsealed. Carbon monoxide and other harmful gas concentration requirements. 3.1.3 Mine mines prone to spontaneous combustion and spontaneous combustion coal seams should be equipped with mine-used intrinsically safe infrared thermometers. 3.1.4 The main belt conveyor, power supply system and other key fire monitoring areas should be equipped with a distributed optical fiber temperature measurement system with real-time temperature monitoring function. Mine mines that mine coal seams that are prone to spontaneous combustion should set up an optical fiber temperature measurement monitoring and early warning system for coal spontaneous combustion in the goaf of the mining face. 3.1.5 The configuration of mine fire detection equipment shall comply with the provisions of Appendix D of this standard. 3.2 Fire-fighting equipment 3.2.1 For mines that are prone to spontaneous combustion and coal seams that are prone to spontaneous combustion, two or more comprehensive fire prevention and extinguishing measures such as grouting, inert gas injection or spraying of inhibitors should be used. 3.2.2 A fire-fighting material storehouse should be set up above and below the mine, and the main equipment of the fire-fighting material storehouse should be configured in accordance with the current national standard "Code for Fire Protection Design of Coal Mine" GB 51078 Appendix A. 3.2.3 Sufficient fire extinguishing equipment shall be equipped for underground explosives storage, mechanical and electrical equipment chambers, maintenance chambers, material warehouses, underground parking yards, roadways using belt conveyors or hydraulic couplings, and roadways near the mining face. The quantity and specifications shall comply with the provisions of the current national standard "Code for Fire Protection of Coal Mine Design" GB 51078. 3.2.4 The mine fire prevention and extinguishing equipment shall comply with the provisions of Appendix D of this standard.

4 Dust detection and dust prevention equipment

4.1 Dust detection equipment 4.1.1 The equipment of dust sampling and testing instruments and meters shall meet the following requirements. 1 Mine should be equipped with samplers for mining dust, respirable dust and personal respirable dust, and the number should be determined according to the number of dust monitoring sampling points; 2 Each mine should be equipped with 1 to 2 direct-reading dust detectors; 3 Large and medium-sized mines should be equipped with 1 to 2 free silica detectors; 4 Large and medium-sized mines should be equipped with a set of dust dispersion tester; 5 Large mines should be equipped with one set of electro-optical analytical balance, one set of electric heating constant temperature dryer and other supporting instruments. 4.1.2 The equipment for mine dust detection shall comply with the provisions of Appendix E of this standard. 4.2 Dustproof equipment 4.2.1 Each anchor shotcrete working face should be equipped with a concrete sprayer dust collector and a dust catcher, and a wind flow purification water curtain should be installed in the roadway 100m downwind from the shotcrete operation point. 4.2.2 Each comprehensive mechanized rock roadway excavation face shall be equipped with one mining wet filter dust collector. 4.2.3 The mine should be equipped with individual dust-proof equipment such as dust-filtering air-supply type dust-proof port (face) cover, and dust-exposed personnel in places with serious dust hazards should have one set per person. 4.2.4 Mine dust-proof equipment should be equipped in accordance with the provisions of Appendix E of this standard. 4.3 Coal seam water injection equipment 4.3.1 Coal seam water injection and dust-proof mining face shall be equipped with coal seam water injection drilling rig, and each working face shall be equipped with one set. The working face using dynamic pressure water injection method should also be equipped with 1 to 2 coal seam water injection pumps according to the daily water injection volume and water injection pressure. 4.3.2 Each water injection face shall be equipped with water injection supporting equipment. 4.3.3 Coal seam water injection holes should be sealed mechanically, and each drilling rig should be equipped with a hole sealing device. When artificial sealing is used, each water injection face shall be equipped with 2 sets of mining grouting sealing pumps, one for working and one for standby. 4.3.4 The water injection working face shall be equipped with a portable rapid moisture analyzer, preferably one for each working face. 4.3.5 The configuration of coal seam water injection equipment shall comply with the provisions of Appendix F of this standard. 5.2.2 Borehole inclinometer should be equipped with one set for each drilling rig or one set for every 5000m of drilling monthly footage. 5.2.3 Geological compass should be equipped according to the number of geological professionals, or 2 to 4 small and medium mines, and 3 to 5 large mines. 5.2.4 The types and quantities of geological surveying equipment and instruments shall meet the requirements of mine daily surveying work, and shall comply with the following regulations. 1 Theodolite, level or total station should be equipped according to the survey work content and accuracy requirements, and the measuring instruments for large mines should be compatible with the mechanization degree of mines; 2 Each excavation face shall be equipped with a laser pointing device; 3 Large mines should be equipped with one gyro theodolite. 5.2.5 The configuration of mine geological survey equipment shall comply with the provisions of Appendix G of this standard.

6 Water detection equipment

6.0.1 The mine shall establish a hydrogeological information management system with the functions of textual data collection, data collection, map drawing, calculation and evaluation, and prediction and forecast of mine water prevention and control. 6.0.2 Mine with complex and extremely complicated hydrogeological types should be equipped with coal mine hydrological dynamic monitoring system. 6.0.3 The mine shall be equipped with special drilling rigs for exploring and draining water, and the number of all mines shall not be less than 2.For mines with complex and extremely complicated hydrogeological types, they should be equipped according to the number of mining and excavation working faces. 6.0.4 The mine shall be equipped with at least one set of geophysical and water exploration equipment. 6.0.5 The configuration of mine water detection and discharge equipment shall comply with the provisions of Appendix H of this standard. ...

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