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Contents of working rules for coal mining face-main economic and technical indicators and safety technical measures
Release time:
2022-12-12
Author:
Source:
The contents of the working rules of the coal mining face-the main economic and technical indicators.
Main economic and technical indicators
The main economic and technical indicators of coal mining face are face length, mining height, coal seam production capacity, follow-up.Ring progress, cycle output, number of monthly cycles (cycle rate), monthly progress, daily output, monthly output, registered person.Number of people in attendance, attendance rate, recovery efficiency, hydraulic prop loss rate, metal roof beam loss rate, fire.Drug quota, ton coal cost, gangue rate, ash, etc.
Safety technical measures
(1) Safety technical management measures when the roof is pressed for the first time.
(2) Support equipment, hydraulic support, shearer installation methods and safety technical measures.
(3) Safety technical measures to prevent roof accidents during periodic pressure.
(4) Safety management measures when the working face encounters faults and broken roof.
(5) Technical measures for anti-reverse and anti-skid of hydraulic support.
(6) Treatment methods and safety measures for working face inverted frame and dead frame.
(7) Safety technical measures for prevention and control of gas, coal dust, water, fire and roof accidents in working face.
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