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Mine water overall treatment utilizing technology

A comprehensive treatment, mine water technology, applied in the direction of drainage, mining equipment, safety devices, etc., can solve the problems of increased wear and tear of drainage equipment, waste of high-quality clean water, and increased sewage treatment costs

Inactive Publication Date: 2011-02-16
山东新矿赵官能源有限责任公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0006] For some large water mines, the mine water inflow can reach 1000m per hour after normal production 3 However, the water gushing from gobs and clear water discharged from drain holes accounts for more than 80% of the water gushing out of the entire mine. The water gushing water quality of these natural mines can generally meet drinking water quality standards, especially the water from magmatic rock drilling. Strontium-type high-quality mineral water, the water gushing volume of a single hole can reach 50m per hour 3 As mentioned above, if these natural mine waters are mixed with production sewage and underground domestic sewage and discharged to the ground together, it will greatly increase the cost of sewage treatment, increase the wear and tear of drainage equipment, and waste high-quality clean water in vain

Method used

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Embodiment Construction

[0015] Technical scheme of the present invention is as follows:

[0016] A method for comprehensive treatment and utilization of mine water, including the utilization of goaf clear water, dredging water and underground sewage treatment, the steps are as follows:

[0017] 1. Utilization of warm water in goaf

[0018] A water-retaining airtight wall is built at the outer end of the roadway in the gob area of ​​the mine working face. Water pipelines and water control gate valves are installed inside the wall. Clean water at 25-28°C in the goaf is led from the water-retaining wall to the underground clean water warehouse through the pipeline. Inside, the clean water at 25-28°C is directly delivered to the pipeline of the ground heat pump unit through the water pump, and the heat obtained by the heat exchange is used intensively.

[0019] 2. Borehole water is used as underground dust-proof water

[0020] Drill holes directly to the Austrian ash layer in the underground, and the d...

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Abstract

The invention relates to a mine water overall treatment utilizing technology. Warm water in a mined out is utilized for space heat exchange, underground drainage drilling water contained in limestone formed in Ordovician is utilized for preventing dust underground, magmatic rock drainage drilling water is used as domestic water and underground sewage is utilized after treated. The invention solves the treatment difficulty of a large quantity of mines, avoids polluting the environment, and saves precious water resources.

Description

1. Technical field [0001] The invention relates to a comprehensive utilization method of mine water and belongs to the technical field of mine production water treatment. 2. Technical background [0002] The use of water and water treatment are inseparable in the production process of coal mining. At present, the treatment method of mine water is mainly to flow water from various points in the underground through the mining area roadway, stone gate, and main road into the underground central water tank, and then discharge it to the ground through the central pump room. sewage treatment station. The water from the underground pump in the mine is treated by the sewage station, and part of it is used for ground production, fire protection and underground dust prevention, and some sewage is directly discharged after being treated up to the standard. The clean water for workers in underground mines is supplied by special lines from surface water source wells, and domestic sewage...

Claims

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Application Information

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IPC IPC(8): E21F16/00
Inventor 何希霖刘永禄窦广伟湛厚星于放尹延平
Owner 山东新矿赵官能源有限责任公司
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