Ventilating system arranged in U+H shape under coal mine
Patent Information
- Authority / Receiving Office
- CN Β· China
- Current Assignee / Owner
- SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
- Publication Date
- 2010-06-02
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Abstract
Description
technical field
[0001] The invention relates to a ventilation arrangement system used in coal mine mining, in particular to a ventilation system with "U+H" arrangement suitable for underground coal mines of high-gas mines. Background technique
[0002] The ventilation system of the coal mine mining face is divided into several types of ventilation systems: one inlet and one circuit, one inlet and two circuits, two inlets and one circuit, two inlets and two circuits, and three inlets and two circuits, which are suitable for different mining conditions, roadway layout, coal mining methods, ventilation requirements of working face replacement, etc., design and selection of different ventilation systems, for high gas working faces, many problems have not been solved by the above methods: such as the effective control of gas in the upper corner, the establishment of gas drainage system in gobs, There are many disadvantages such as tense mining relationship and insufficient ventil...