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What should I do if there is a threat of flooding underground in the mine? Use waterproof gates. Waterproof gates are the main safety facilities for underground waterproofing. For mines with serious flood threats, in the design and layout of underground tunnels, the positions of waterproof gate chambers and sluice walls should be reserved at appropriate locations so that the mines can form divided wings, divided levels, or Isolated mining in separate mining areas.
When a flood occurs, the waterproof gate can isolate the mine into different zones, reduce the scope of the disaster, control water hazards, and ensure mine safety.
The relevant provisions of the "Coal Mine Safety Regulations" must be strictly followed in the design, construction, testing, daily maintenance and technical management of underground waterproof gates. The experience of some domestic coal mines in this area is now classified and compiled as follows, which can be used as a reference when formulating operating procedures, safety measures and technical management working systems for mines with relatively complex hydrogeological conditions.
In areas with complex mine hydrogeological conditions, when laying out new mine tunnels, developing and extending production mines, or designing mining areas, the location of waterproof gates or sluice walls must be considered based on the threat of flooding, and must be kept nearby Sufficient waterproof coal (rock) pillars.
When providing the design information of the waterproof gate chamber or sluice wall to the design unit, the following content should be provided
① Maximum still water level
② Water inflow
③ Surrounding rock properties
④The tunnel section and support form.
When providing special information for waterproof gate chambers to the design unit, in addition to the above, you must also provide
①Transportation method in the tunnel
②Normal air volume required to pass through the tunnel
③Layout of tunnel pipelines and cables
④Adopt specifications of water gates and ditch gates, etc.
Shandong Yimei Machinery Equipment Manufacturing Co., Ltd. sells various mining doors, mine cars, brackets and other mining supplies with guaranteed quality and favorable prices. Hurry up and pick up the phone for consultation!
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Address South Mechanical and Electrical Road, High-tech Zone, Jining City, Shandong Province