Coal mine water inrush disaster pre-warning method and device

An early warning device and disaster technology, applied in mining equipment, mining equipment, earthwork drilling and mining, etc., can solve the problems of no comparison data for monitoring values, inability to realize water inrush alarm, and failure to achieve early warning functions, etc.

Active Publication Date: 2015-12-23
YANKUANG GRP CO LTD +1
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  • Description
  • Claims
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Problems solved by technology

At present, the water inrush monitoring of the aquifer with significant water inrush risk (that is, the early warning layer in the present invention) all adopts drilling to directly hit the early warning layer, and only monitors the water pressure value, which cannot achieve effective real-time monitoring, a...

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  • Coal mine water inrush disaster pre-warning method and device
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  • Coal mine water inrush disaster pre-warning method and device

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Embodiment Construction

[0018] In order to further describe the details and advantages of the technical solution of the present invention, it is further described in conjunction with the drawings and embodiments.

[0019] like figure 1 As shown, a coal mine water inrush disaster early warning method includes the following steps:

[0020] S1: Determine the coal seam water-filled aquifer that is the most threatening coal seam mining, and determine this aquifer as an early warning layer: if the mine water inflow of a certain layer of aquifer is predicted to exceed 60m 3 / h, then this aquifer can be set as the early warning layer; if the most threatening aquifer in the coal seam water-filled aquifer is a thick limestone aquifer, then this thick limestone aquifer is determined to be the early warning layer; if the coal seam If the most threatening aquifer in the water-filled aquifer is thick limestone aquifer and thin limestone aquifer or multi-layer aquifer, it is determined that these two or multi-la...

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Abstract

The invention discloses a coal mine water inrush disaster pre-warning method and device. The method includes: according to features of mining coal beds, dividing a mining area into a coal mining layer, a monitoring layer and a pre-warning layer; constructing a monitoring hole in the pre-warning layer; mounting the pre-warning device, and monitoring water pressure, water quality and water temperature data at the same time. The pre-warning device comprises a sensing device and a power source storage alarming device which are connected through a transmission guide pipe, the transmission guide pipe is arranged in a steel pipe sleeve, the sensing device is arranged in a sealing device and comprises a water pressure sensor, a water quality sensor and a temperature sensor, the power source storage alarming device comprises a processor used for processing data, a power source module and a storer, and the power source module and the storer are connected with the processor which is further connected with an alarm.

Description

technical field [0001] The invention relates to the technical field of coal mine water disaster prevention, in particular to a coal mine water inrush disaster early warning method and device, aiming at capturing and identifying precursory information of water disaster accidents during coal seam mining. Background technique [0002] The hydrogeological conditions of my country's coal deposits are complex, especially karst water often breaks into mine pits and endangers production safety, and the mining of lower coal formations (Taiyuan coal formations) in North China type coalfields is generally threatened by the Austrian ash confined aquifer at the base of coal-measure strata. Coal mine floor water damage is different from roof water damage. The problem of roof water damage mainly involves the movement of overlying rock during coal seam mining. Coal mine floor water inrush has the characteristics of strong water richness, high water pressure, strong concealment, and difficul...

Claims

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Application Information

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IPC IPC(8): E21F17/18
CPCE21F17/18
Inventor 乔伟官云章牛云飞赵连涛雷利剑伊星
Owner YANKUANG GRP CO LTD
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