Method for identifying residual separation layer and preventing and controlling disasters

A delamination and residual technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as mining threats at working faces, achieve the effect of ensuring safety and reducing the occurrence of secondary disasters

Active Publication Date: 2019-06-25
宿州学院
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the hidden dangers are not completely eliminated, it will pose a serious threat to the subsequent mining of the working face and the mining of adjacent and similar working faces

Method used

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  • Method for identifying residual separation layer and preventing and controlling disasters
  • Method for identifying residual separation layer and preventing and controlling disasters
  • Method for identifying residual separation layer and preventing and controlling disasters

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Embodiment Construction

[0059] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0060] Such as image 3 shown, combined with figure 1 , 2 -Shown in 6, 7(a), and 7(b), a method for identification and disaster prevention and control of a residual detachment layer in this embodiment comprises the following steps:

[0061] S1: According to the lithology of the overlying rock and its combination characteristics, and based on the principle of "composite beams", determine the positions of all separated layers in the overlying rock; the overlying rock is composed of m layers of rock, numbered 1, 2, ..., from bottom to top m, according to the principle of "composite beams", the discriminant formula ...

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Abstract

The invention discloses a method for identifying residual separation layers and preventing and controlling disasters, which comprises the following steps of: determining positions of all separation layers in overlying strata on the basis of a 'combined beam' principle according to the lithology of the overlying strata and the combination characteristics of the overlying strata; identifying a disastrous separation layer; calculating the maximum separation layer quantity and the maximum residual separation layer quantity of the disastrous separation layer; determining the position of the maximumresidual separation layer; and the residual separation layer disaster is prevented and treated. The method has the beneficial effects that all separation layers in overlying strata are found throughcalculation, so that the disastrous separation layers are determined, the maximum residual separation layer quantity is determined, the positions of the residual separation layers are determined, disaster prevention and control work on the residual separation layers is achieved, disasters are reduced, and the safety of a coal mine is guaranteed. The calculation parameters can be found in the coalmine technical data files, and no extra workload needs to be increased. Calculation is convenient, and on-site engineering technicians can master by slightly training.

Description

technical field [0001] The invention relates to the field of coal mine disaster identification and prevention, in particular to a method for identification and disaster prevention of residual separation layers. Background technique [0002] In recent years, "separated layer water" floods on the roof of coal mines have occurred frequently, causing shocking casualties and property losses. The "5.21" abscission water outburst accident in Haizi Coal Mine, Huaibei Coalfield in 2005 caused a total of 5 deaths, and the maximum water inrush volume was 3887m 3 / h, and formed a secondary disaster of rock burst; in 2015, the "1.30" delaminated water disaster in Zhuxianzhuang Coal Mine caused a total of 7 deaths, and the maximum water inrush was 7200m 3 / h, the mining face is flooded. [0003] In the coal seam roof overlying rock, when there is a large difference in engineering geological properties between the thick and hard rock layer (commonly known as "key layer") and the underlyi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 桂和荣邱慧丽李俊郭艳
Owner 宿州学院
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