Coal biological flora migration simulation experiment set and method

A technology for simulating experimental equipment and biological bacteria, applied in biochemical cleaning equipment, biochemical equipment and methods, enzymology/microbiology equipment, etc. Compact, easy to assemble, good experimental support effect

Active Publication Date: 2016-03-09
HENAN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Domestic and foreign scholars' research on biomethane mainly focuses on the generation mechanism, generation conditions and influencing factors of biogenic gas, but little is involved in the migration and diffusion of microbial flora in coal.

Method used

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  • Coal biological flora migration simulation experiment set and method

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Experimental program
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Embodiment Construction

[0024] Such as figure 1 As shown, the simulation experiment device for the migration of biological flora in coal of the present invention includes a coal seam biological gas production system, a strain migration and observation system, and an experiment control and recording system.

[0025] The coal seam biological gas production system includes a constant temperature water bath box 1. Inside the constant temperature water bath box 1 is placed a first box body 2 filled with mine water enriched for 4-6 days and a second box body 3 filled with sterile water. A box body 2 is positioned at the right side of the second box body 3; the first box body 2 right bottom is provided with the first liquid-taking pipe 4, and the first liquid-taking pipe 4 is provided with the first liquid-taking valve 5, and the first box body 2. On the right side of the top, there is a first liquid injection pipe 6 extending into the first box body 2. The first liquid injection pipe 6 is provided with a f...

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Abstract

The invention discloses a coal biological flora migration simulation experiment set and method. The set comprises a coal bed biology aerogenesis system, a strain migration and observation system and an experiment control and record system, wherein the coal bed biology aerogenesis system and the strain migration and observation system are a first box and a second box which are connected through a coaling pipe, and migration and observation can only be conducted on one coal sample during each time of work. Due to the fact that the initial liquid level of the first box is identical with that of the second box and gas generated after coal reacts with microorganisms can be discharged in time, flora diffusion is not affected by external force basically, and it is guaranteed that microorganisms are freely diffused through preset coal samples. By testing the indexes including identification of flora contained in liquid on the two sides of the unique microorganism migration channel, namely the coaling pipe, gas production rate, pH and Eh, the migration and diffusion rules of biological flora in different coal reservoirs are researched.

Description

technical field [0001] The invention belongs to the technical field of coalbed methane bioengineering, and in particular relates to a simulation experiment device and method for migration of biological flora in coal. Background technique [0002] Biogenic coalbed methane is an important type of coalbed methane, which has the characteristics of shallow burial and low development cost. At present, the basic geological research and exploration and development of biogenic coalbed methane, especially secondary biogenic coalbed methane, have become a hot spot in the field of coalbed methane geological research. The coalbed methane content in the Powder River Basin of the United States is only 1~2m in the exploration stage. 3 / t, but the current number of coalbed methane wells exceeds 20,000, and the output of a single well is 2,000~3,000 m 3 . Most of the wells that have been pumped for more than 5 years, the total amount of coalbed methane produced has far exceeded the actual ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/36C12M1/34C12M1/107C12M1/12C12M1/00C12Q1/02
CPCC12M21/04C12M23/36C12M23/58C12M33/14C12M41/00C12M41/22C12M41/26C12M41/48C12Q1/02Y02E50/30
Inventor 郭红玉夏大平王永军贾建波苏现波拜阳陈山来符超勇陈曦
Owner HENAN POLYTECHNIC UNIV
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