A long coal rock sample gas-liquid temperature rise adsorption expansion test chamber
A technology for adsorption expansion and coal-rock samples, applied in the field of test room structure, can solve the problems such as the inability to simulate the interaction of coal-rock samples and the low test efficiency.
Active Publication Date: 2020-10-27
CHONGQING UNIV
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Problems solved by technology
At present, in the gas-liquid temperature rise adsorption expansion test of coal and rock samples, multiple tests must be carried out for different temperatures, and the test efficiency is low; and because the different temperature tests are independent, it is impossible to truly simulate the coal and rock samples in different formations. There are certain limitations in the mutual influence of temperature rise, adsorption and expansion.
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Embodiment Construction
[0013] Below by embodiment and in conjunction with accompanying drawing, the present invention will be further described:
[0014] Such as figure 1 As shown, a long coal rock sample gas-liquid temperature rise adsorption expansion test room is mainly composed of a long steel cylinder 1, a gas seal head 2 connected to the inlet end, a gas outlet end seal head 3, a heating insulation cover 4, a temperature sensor 5, a diameter It consists of a strain sensor 6 and an axial strain sensor 7.
[0015] The air inlet terminal gas seal head 2 and the gas outlet end seal head 3 are installed in the long steel cylinder 1, and the three surround a long strip-shaped long coal rock sample cavity A for placing long coal rock samples.
[0016] The long steel cylinder 1 is wrapped with a heating insulation jacket 4 . The heating insulation cover 4 is spliced by several sections, and each section can be heated separately, and can separately heat the long coal rock samples in the long coal r...
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Abstract
The invention discloses a long coal rock sample gas-liquid temperature rise adsorption expansion test chamber. The test chamber comprises a long steel cylinder, a gas inlet end gas connecting seal head and a gas outlet end seal head, wherein the three parts define a long-strip-shaped long coal rock sample cavity; the long steel cylinder is wrapped with a heating and heat preservation sleeve; the heating and heat preservation sleeve is formed by splicing a plurality of sections; each section can be independently heated; a plurality of temperature sensors arranged in a straight line and a plurality of radial strain force sensors arranged in a straight line are arranged on the side wall of the long steel cylinder along the length direction; and the interface of two adjacent sections of the heating and heat preservation sleeve is located between the two radial strain force sensors, a hole for the radial strain force sensors to pass through is formed in the heating and heat preservation sleeve, and an axial strain force sensor is installed on the air outlet end sealing head. The gas-liquid temperature rise adsorption expansion condition can be more truly simulated, and the mutual influence in the coal rock sample temperature rise adsorption expansion process in different stratums can be more truly reflected.
Description
technical field [0001] The invention belongs to the technical field of testing equipment for coal and rock samples, and in particular relates to a test chamber structure for performing gas-liquid temperature rise adsorption expansion simulation tests on long coal and rock samples. Background technique [0002] In different formations, coal rock samples and gas-liquid temperatures in coal rock samples are different. At present, in the gas-liquid temperature rise adsorption expansion test of coal and rock samples, multiple tests must be carried out for different temperatures, and the test efficiency is low; and because the different temperature tests are independent, it is impossible to truly simulate the coal and rock samples in different formations. There are certain limitations in the mutual influence of temperature rise, adsorption and expansion. Contents of the invention [0003] The purpose of the present invention is to provide a test room specially used for the gas-...
Claims
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IPC IPC(8): G01N25/16
CPCG01N25/16
Inventor 王浩蔡樱张东明楚亚培赵宏刚吴明洋尹思禹肖伟晶杨瀚
Owner CHONGQING UNIV