Broken rock mass water-sand mixture seepage test system
A test system and mixture technology, used in the preparation of test samples, permeability/surface area analysis, sampling, etc. Effectively control measures and other problems to achieve the effect of simple structure, wide practicability and uniform stirring
Inactive Publication Date: 2016-12-21
XUZHOU NORMAL UNIVERSITY
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Problems solved by technology
Because the analysis of the geological information before and after the occurrence of the water-sand mixture inrush disaster is not in place, the main engineering geological characteristics such as the type and scale of the disaster cannot be determined in a timely and accurate manner, and of course it is impossible to provide rapid and effective control measures
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[0010] The present invention will be further described below in conjunction with the example in the accompanying drawings:
[0011] A seepage test system for a water-sand mixture in a fractured rock mass, comprising a stirring system 2 , a pressure maintaining system 5 , a seepage meter 11 and a pressure supply system 4 . The mixing system 2 realizes the uniform mixing of water and sand, which can make the sand evenly mixed in the water tank 1. The water and sand tank 1 can be a cuboid or a cylinder; The water-sand mixture from the water pump flows into the seepage meter on the one hand, and most of the water-sand mixture flows back to the water-sand tank 1 through the pressure-holding system. Several pressure gauges 6 are installed in the pressure-holding system 5 to realize the control of the pressure-holding system. real-time monitoring. The system can realize the continuous infiltration of water and sand, and can also realize the experimental research on the law of fissur...
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A seepage test system for a mixture of water and sand in a fractured rock mass, comprising a stirring system, a pressure maintaining system, a seepage meter and a pressure supply system. The mixing system realizes the uniform mixing of water and sand, which can make the sand evenly mixed in the pool. The pool can be a cuboid or a cylinder; the pressure maintaining system is formed by winding the pipeline in a certain way, which can achieve two functions: one is the pressure supply system Most of the water-sand mixed liquid is discharged through the pressure-holding system; the second is that the pressure-holding system can realize that the inlet pressure is gradually reduced to zero through the pressure-holding system, that is, the pressure at the inlet stage of the pressure-holding system can be different from the pressure of the pressure supply system Within 10%. Several pressure gauges are installed in the pressure holding system to realize real-time monitoring of the pressure holding system. The pressure supply system is composed of water and sand supply pressure pumps, which can realize the continuous penetration of water and sand, with simple structure and strong operability.
Description
technical field [0001] The invention relates to a seepage test system of a water-sand mixture in a fractured rock mass, which is especially suitable for realizing the steady-state crack seepage test of a water-sand mixture liquid. Background technique [0002] The development and utilization of coal resources is an important part of my country's national economic development. With the rapid development of my country's industrial and agricultural production, the demand for coal is increasing day by day, and the energy shortage still exists. The development of the coal mine industry is restricted by many factors. Among them, the accident of water and sand inrush poses a great threat to the production and construction of coal mines. A mine geological disaster in which fluid breaks into the underground working face and causes property loss and / or casualties. 75% of the country's coal is short of water. On the one hand, it is extremely short of water, and on the other hand, the...
Claims
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Login to View More IPC IPC(8): G01N15/08G01N1/38
CPCG01N15/082G01N1/38G01N2001/386
Inventor 刘玉李顺才邢邦圣张潇许天啸司振华蔡小莉白静
Owner XUZHOU NORMAL UNIVERSITY