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Heat insulation type spontaneous combustion testing equipment

A test equipment, adiabatic technology, applied in the field of coal sample spontaneous combustion test equipment, to achieve the effects of reliable process, simple and compact structure, and high test accuracy

Active Publication Date: 2013-08-07
HUNAN SUNDY SCI & TECH DEV
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  • Claims
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Problems solved by technology

Therefore, it is necessary to conduct a spontaneous combustion test on coal samples. Currently, there is only equipment on the market that uses the chromatographic oxygen absorption method to measure the spontaneous combustion performance of coal.

Method used

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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as figure 1 and figure 2 As shown, the adiabatic spontaneous combustion test equipment of the present invention includes a water bath assembly 4, a heating assembly 7, a preheating assembly 5, a reactor 6, a gas path system 1, a control system 3 and an outer frame 2, and the reactor 6 is used to contain the For the detected coal sample, the reactor 6 is placed in the water bath assembly 4, and the heating assembly 7 is used to heat the water environment in the water bath assembly 4, so that the temperature difference between the temperature of the water in the water bath assembly 4 and the temperature of the coal sample in the reactor 6 is maintained. within a very small range. The reactor 6 communicates with the external gas supply part through the gas circuit system 1, and the external gas supply part is an oxygen sup...

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Abstract

The invention discloses heat insulation type spontaneous combustion testing equipment which comprises a water bath component, a heating component, a preheating component, a reactor, a gas circuit system and a control system, wherein the reactor is used for containing a coal sample to be detected and arranging the coal sample in the water bath component; the heating component is communicated with the water bath component and is used for heating a water environment in the water bath component; the reactor is communicated with an external air supply part through the gas circuit system; and the preheating component is arranged on the gas circuit system. The heat insulation type spontaneous combustion testing equipment has the advantages of simple and compact structure, low cost, easiness and convenience in operation, high degree of automation, high testing precision and the like.

Description

technical field [0001] The invention mainly relates to the field of coal sample testing equipment, in particular to a coal sample spontaneous combustion testing equipment adopting an adiabatic design. Background technique [0002] Spontaneous combustion may occur in coal mines or during storage when the rate at which coal generates heat exceeds the rate at which it can be dissipated. In order to avoid spontaneous combustion of coal, coal heat generation should be minimized and heat dissipation should be maximized in coal piles. This principle should be applied to all coal mines, handling, stacking and transportation of coal. Therefore, it is necessary to conduct a spontaneous combustion test on coal samples, and currently there is only equipment on the market that uses the chromatographic oxygen absorption method to measure the spontaneous combustion performance of coal. Contents of the invention [0003] The technical problem to be solved by the present invention is: aim...

Claims

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Application Information

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IPC IPC(8): G01N25/22
CPCG01N25/52
Inventor 朱先德李冬军方伟王芹毛仲蔡敏
Owner HUNAN SUNDY SCI & TECH DEV
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