Broken rock mass water and sand seepage experimental system
An experimental system, water and sand technology, applied in the field of experimental systems for simulating water and sand inrush, can solve the problems of not considering water and sand mixing, not considering mine water inrush and sand inrush, etc., to achieve good disassembly and assembly convenience, guarantee Stability and effect of controlling falling sand flow
Active Publication Date: 2018-07-20
CHINA UNIV OF MINING & TECH
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Problems solved by technology
Chinese patent CN 203672759 U only considers the vertical water and sand inrush of the mine, but does not consider the lateral water and sand inrush of the mine
Chinese patent CN 104265365 A does not take into account the mixing of water and sand
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[0052] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0053] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the system or component referred to must have a specific orientat...
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The invention provides an experiment system for water and sand seepage of a fractured rock mass. The experiment system comprises a water and sand mixing device, a fractured rock mass experiment device, a rock mass loading component and a data acquisition device; the fractured rock mass experiment device comprises an inner cylinder, an outer cylinder and a base, the inner cylinder is arranged in the outer cylinder, and both the inner cylinder and the outer cylinder are arranged on the base; a groove is formed in the base, flow guide holes are uniformly formed in the lower end surface of the groove and are communicated with a seepage liquid conveying pipe; a water and sand injection hole of the water and sand mixing device is communicated with a water and sand through hole of the fractured rock mass experiment device; the rock mass loading component adopts an axial loading machine, a piston of the axial loading machine is arranged at the upper part of the inner cylinder of the fractured rock mass experiment device. The invention provides the experiment system for water and sand inrush of the fractured rock mass, which is simple in structure, reasonable in design, convenient to assemble and use and good in sealing performance and can really reflect the seepage amount of a water and sand mixture under the situation of the water and sand inrush of the fractured rock mass.
Description
technical field [0001] The invention relates to the technical fields of sand seepage damage and mine hydrogeology, in particular to an experimental system for simulating water inrush and sand collapse under the conditions of axial load and lateral water-sand two-phase seepage of a broken rock mass. Background technique [0002] Water inrush and sand inrush is a sand (sand) body that is rich in water and loses shear resistance due to weathering and other reasons when mining mineral resources underground. The original balance of the sand (sand) body is broken. When the water and sand flow accelerates into the well until the well is flooded, it is a geological disaster in which the water and sand regain a balanced and stable state, also known as water and sand infestation. [0003] Jurassic coalfields in Northwest my country have shallow burial depth, thin bedrock, thick loose layers, large mining heights, and strong water-rich aquifers. Under the condition that the bedrock min...
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IPC IPC(8): G01N15/08
CPCG01N15/0826
Inventor 浦海李畇刘江峰张豪李舒阳姜海林
Owner CHINA UNIV OF MINING & TECH