Loaded coal rock constant pressure gas adsorption desorption testing system and method thereof
A technology of adsorption and desorption and test system, which is applied in the field of constant pressure gas adsorption and desorption test system and method of loaded coal and rock, can solve the problem of inability to quantitatively analyze and calculate the law of gas adsorption and desorption and gushing law, the inability to quantitatively calculate the amount of gas gushing, Unable to quantitatively analyze and calculate the attenuation law of borehole gas emission and the amount of gas drainage
Inactive Publication Date: 2012-04-18
CHINA UNIV OF MINING & TECH (BEIJING)
View PDF5 Cites 45 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The current experimental device is difficult to complete the gas adsorption process, adsorption time and desorption process of coal rock under the condition of constant load and constant gas pressure, and the research results cannot quantitatively analyze and calculate the law of gas adsorption and desorption in coal rock mass during the mining process Neither can quantitative analysis and calculation of borehole gas emission attenuation law and gas drainage, let alone quantitative calculation of gas emission in the process of coal and gas outburst
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
specific Embodiment
[0041] like figure 1 As shown, including vacuum pump 01, hand pump 02, high pressure gas cylinder 03, sample tank 04, constant pressure gas tank 05, gravity constant air pressure device 06, gravity constant hydraulic pressure device 11 and 12, pressure gauges 21-23, air pressure valve 30-36, hydraulic valve 40-45, displacement gauge 50-52.
[0042] Two gravity and constant hydraulic pressure devices 11 and 12 are respectively used for the constant pressure gas pressure in the constant pressure gas tank 05 and the constant load of the sample in the sample tank 04, mainly used for gas adsorption test research;
[0043] Gravity and constant air pressure device 06 is mainly used for gas desorption test research;
[0044] There is a movable piston in the constant pressure gas tank 05. The piston divides the constant pressure gas tank into two closed variable spaces, which are used to seal the gas and emulsion respectively. There are three outlets in the upper space of the constant...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more PUM
Login to view more Abstract
The invention discloses a loaded coal rock constant pressure gas adsorption desorption testing system and a method thereof. The system comprises a gravity constant pressure device, a vacuum pump, a high pressure gas cylinder, a constant pressure gas tank, a sample tank, a gravity constant hydraulic device and a hand pump. The method can be used for carrying out following gas adsorption and desorption tests on a coal sample under different external loading pressures and different gas pressures: 1) studying the change of absorption characteristics caused by the damage of coal rocks under different loading effects, and studying the change rules of adsorption constant, adsorption quantity and the like with the load; 2) studying the gas desorption process of coal rocks containing gas under different loading situations; 3) studying the adsorption process and adsorption constant of coal rocks containing gas with different particle sizes under constant gas pressure; 4) studying gas desorptionprocess and rules of coal rocks containing gas with different particle sizes under different atmosphere pressures; and 5) studying the creep mechanical properties of the coal rocks containing gas in gas adsorption and desorption process.
Description
technical field [0001] The invention relates to a research technology for the adsorption and desorption law of loaded gas-containing coal rock mass during coal mining, in particular to a constant-pressure gas adsorption and desorption test system and method for loaded coal rock. Background technique [0002] Previous coal adsorption and desorption test systems only considered the adsorption and desorption rules of coal samples with different particle sizes under different temperatures and gas pressures, and studied the gas adsorption capacity and desorption difficulty of different particle coals. Due to the expansion of internal cracks and changes in the structure of coal under different loading conditions, the amount of gas adsorption and the difficulty of desorption both change. [0003] The current experimental device is difficult to complete the gas adsorption process, adsorption time, and desorption process of coal rock under the condition of constant load and constant ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more Application Information
Patent Timeline
Login to view more Patent Type & Authority Applications(China)
IPC IPC(8): G01N7/04G01N3/28
Inventor 杨小彬秦跃平刘伟
Owner CHINA UNIV OF MINING & TECH (BEIJING)
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Try Eureka
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap