Multi-field infrared radiation observation device and method

A technology of infrared radiation and observation device, which is applied in the direction of measurement device, suspension and porous material analysis, and the application of stable tension/pressure to test the strength of materials, etc. Permeability Infrared Radiation Simultaneous Observation and Other Issues

Active Publication Date: 2018-11-20
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0005] The technical problem to be solved: In view of the problems that the existing infrared radiation observation device cannot simulate the three-dimensional stress state of coal and rock mass, and cannot realize the simultaneous observation of permeability and infrared radiation, a multi-field infrared radiation observation device is proposed. I

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  • Multi-field infrared radiation observation device and method

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Embodiment Construction

[0033] The specific implementation of the multi-field infrared radiation observation device is as follows:

[0034] The present invention will be further described below in conjunction with accompanying drawing.

[0035] As shown in the accompanying drawings, a multi-field infrared radiation observation device is characterized in that it includes:

[0036] Box 1, box 1 is surrounded by high-strength steel plates connected by bolts, the bottom of box 1 is equipped with a water collecting pan 12, and the water collecting pan 12 is fixedly connected with the bottom of box 1 by bolts, and the water collecting pan 12 is provided with a water outlet 17. The top of the box is open, the left side is provided with a reserved hole, and the front is provided with an infrared observation window 4, and the infrared observation window 4 is closed by a sealing block 18;

[0037] The lateral loading device includes a lateral cylinder 2, a lateral pressure head 6, a left fixed block 7, a righ...

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Abstract

The invention discloses a multi-field infrared radiation observation device and method. The device includes a case body holing samples; the front of the case body is provided with an infrared observation window; the inside of the case body forms a containing cavity for limiting the samples through a lateral loading device, an axial loading device and a front and rear restraint device, so that thebidirectional loading and three-way restraint of the samples can be realized; the front of the infrared observation window is provided with an infrared thermal imager, and the infrared thermal imagerfaces to the containing cavity; the lateral loading device is provided with acoustic emission probes, a pressure sensor and a displacement sensor; the axial loading device is provided with a fluid channel and water leaking holes; and the front and rear restraint device includes an infrared observation window sealing block, a front side fixing block and a rear side fixing block. The problem that infrared radiation information of the surface of the samples cannot be directly observed in traditional penetration experiments can be solved; simultaneous monitoring of physical quantities such as stress and strain, permeability, acoustic emission and infrared radiation during the loading (unloading) of samples can be realized; and experiment conditions can be provided to research the infrared radiation response mechanism and permeability characterization of damage evolution of mining coal and rock.

Description

technical field [0001] The invention relates to the technical field of coal mining, in particular to a multi-field infrared radiation observation device and method. Background technique [0002] The damage fracture and permeability evolution of rock is one of the main academic propositions in the field of rock mechanics and engineering, and it is also a common basic problem in rock engineering such as mining of mineral resources. In recent years, the disadvantages of water resource loss caused by traditional coal mining have been under increasing pressure from environmental protection and public opinion. Among them, water conservation coal mining, which has attracted much attention, urgently needs to focus on the control of rock mass deformation and crack development from the past. It has been developed to the level of controlling the damage and permeability of the mined rock mass. If the quantitative evaluation of damage and permeability is inaccurate or misjudged, it will...

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Application Information

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IPC IPC(8): G01N15/08G01N21/17G01N3/08
CPCG01N3/08G01N15/08G01N21/17G01N2015/0846G01N2203/0256
Inventor 马立强郭金帅张东升刘玉
Owner CHINA UNIV OF MINING & TECH
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