CN105588929A - Water bath constant-temperature methane diffusion determination system - Google Patents
Water bath constant-temperature methane diffusion determination system Download PDFInfo
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- CN105588929A CN105588929A CN201610155721.9A CN201610155721A CN105588929A CN 105588929 A CN105588929 A CN 105588929A CN 201610155721 A CN201610155721 A CN 201610155721A CN 105588929 A CN105588929 A CN 105588929A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000009792 diffusion process Methods 0.000 title claims abstract description 27
- 239000003245 coal Substances 0.000 claims abstract description 49
- 238000004891 communication Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000003795 desorption Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 33
- 238000002336 sorption--desorption measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/222—Solid fuels, e.g. coal
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- Life Sciences & Earth Sciences (AREA)
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- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a water bath constant-temperature methane diffusion determination system. The water bath constant-temperature methane diffusion determination system comprises a constant-temperature water bath box 1, a coal sample tank 2 of a methane diffusion determinator and a computer 3, wherein the constant-temperature water bath box 1 consists of a box body 1-1, a water inlet 1-2 is formed in the top of the inside of the box body 1-1, a temperature controller 1-3 and a water pump 1-4 are arranged at the bottom of the inside of the box body 1-1, the water pump 1-4 is communicated with a pressurized water port 1-5 formed in the box body 1-1, and the top end of the pressurized water port 1-5 is located outside the box body 1-1. The water bath constant-temperature methane diffusion determination system leads constant-temperature circulating water into the inner and outer layer space of the coal sample tank to make the coal sample temperature constant during experiment determination, has the advantages of being capable of determining the diffusion speed, diffusion velocity and adsorption and desorption parameters of coal sample methane at different temperatures, not prone to environment temperature influence and the like and is simple in technology, easy to process and convenient to popularize.
Description
Technical field
Mineral detection technique of the present invention field, specifically constant temperature water bath Methane Diffusion is measured system.
Background technology
Gas is subject to influence of temperature change at the pressure of fixed space, and coal body itself adsorbs also temperature influence. Temperature difference in mensuration process, the total amount of the overall adsorption of coal body to gas and emit gas desorption situation will be different, gas diffusion initial speed, the gas diffusion velocity etc. of mensuration also can be different. So probe into the impact of the adsorption-desorption characteristics of temperature on gas, gas diffusion initial speed, gas diffusion velocity etc., to projecting mine outburst hazard, judgement has this significance. Because at present use for laboratory can not be controlled temperature in the equipment such as the speed of diffusing, diffusion velocity, adsorption-desorption parameter of measuring coal sample gas, experimental result can be subject to the difference of environment temperature and influenced simultaneously. And the coal sample tank that equipment uses smaller (high 3.5cm, radius 1.3cm), and separated by a distance while installing, is fixed up and down, so can not be by common constant water bath box change coal sample temperature.
Summary of the invention
The object of the invention is: provide a kind of constant temperature water bath Methane Diffusion to measure system, it can change experiment coal sample temperature, for probing into the impact of the adsorption-desorption characteristics of temperature on gas, gas diffusion initial speed, gas diffusion velocity etc.
The present invention is achieved in that constant temperature water bath Methane Diffusion mensuration system, comprise constant water bath box, coal sample tank and the computer of Methane Diffusion analyzer, the composition of described constant water bath box comprises casing, top in casing is provided with water inlet, bottom in casing is provided with temperature controller and water pump, and water pump is communicated with the setting-out mouth on casing, and the top of setting-out mouth is in casing outside; The double-decker that coal sample tank is made up of inner tubal wall and outer tube wall, inner tubal wall independently forms an open top tank shape structure, between inner tubal wall and outer tube wall, form the water-filling space of a sandwich, be provided with water-filling space water inlet and water-filling space delivery port in the bottom in water-filling space; Top at inner tubal wall is provided with cover, is provided with spout, air inlet, high pressure sensor, temperature sensor and gas outlet at the top of cover; The water-filling space water inlet of the setting-out mouth of constant water bath box and coal sample tank is by pipeline communication, and the water-filling space delivery port of coal sample tank and the water inlet of constant water bath box pass through pipeline communication; The high pressure sensor of coal sample tank and temperature sensor are connected with computer by data acquisition band.
Described coal sample tank is more than one, when coal sample tank is when more than two, the water-filling space water inlet of first coal sample tank is communicated with setting-out mouth, the water-filling space delivery port of last coal sample tank is communicated with water inlet, and the water-filling space delivery port of all the other coal sample tanks is communicated with a rear coal sample tank water-filling space water inlet.
Link position place at cover and inner tubal wall is provided with sealing ring.
Owing to having adopted technique scheme, compared with prior art, the present invention adopts thermostatical circulating water to pass into coal sample tank ectonexine space, coal sample temperature during with constant measuring, there is the speed of diffusing, diffusion velocity, the adsorption-desorption parameter that can measure coal sample gas under different temperatures, the feature such as not influenced by ambient temperature. And technology is simple, be easy to processing, be convenient to promote.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is constant water bath box schematic diagram of the present invention;
Accompanying drawing 3 is the combining structure schematic diagram of coal sample tank of the present invention and coal sample tank cover.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, but not as any limitation of the invention
Embodiments of the invention: constant temperature water bath Methane Diffusion is measured system, comprise constant water bath box 1, the coal sample tank 2 of Methane Diffusion analyzer and computer 3, the composition of described constant water bath box 1 comprises casing 1-1, top in casing 1-1 is provided with water inlet 1-2, bottom in casing 1-1 is provided with temperature controller 1-3 and water pump 1-4, and water pump 1-4 is communicated with the setting-out mouth 1-5 on casing 1-1, and the top of setting-out mouth 1-5 is in casing 1-1 outside; The double-decker that coal sample tank 2 is made up of inner tubal wall 2-1 and outer tube wall 2-2, inner tubal wall 2-1 independently forms an open top tank shape structure, between inner tubal wall 2-1 and outer tube wall 2-2, form the water-filling space 2-3 of a sandwich, be provided with water-filling space water inlet 2-4 and water-filling space delivery port 2-5 in the bottom of water-filling space 2-3; Be provided with cover 2-6 at the top of inner tubal wall 2-1, be provided with spout 2-7, air inlet 2-8, high pressure sensor 2-9, temperature sensor 2-10 and gas outlet 2-11 at the top of cover 2-6; The water-filling space water inlet 2-4 of the setting-out mouth 1-5 of constant water bath box 1 and coal sample tank 2 is by pipeline communication, and the water-filling space delivery port 2-5 of coal sample tank 2 and the water inlet 1-2 of constant water bath box 1 pass through pipeline communication; The high pressure sensor 2-9 of coal sample tank 2 and temperature sensor 2-10 are connected with computer 3 by data acquisition band; Described coal sample tank 2 is two, the water-filling space water inlet 2-4 of first coal sample tank 2 is communicated with setting-out mouth 1-5, the water-filling space delivery port 2-5 of last coal sample tank 2 is communicated with water inlet 1-2, and the water-filling space delivery port 2-5 of first coal sample tank 2 is communicated with a rear coal sample tank 2 water-filling space water inlet 2-4; Link position place at cover 2-6 and inner tubal wall 2-1 is provided with sealing ring.
In use procedure, constant water bath box 1 provides default thermostatted water, rely on water pump 1-4 to enter water-filling space 2-3 through the water-filling space of setting-out mouth 1-5, pipeline, coal sample tank 2 water inlet 2-4 successively, flow into casing 1-1 by water-filling space delivery port 2-5, pipeline, water inlet 1-2 again, form thermostatted water circulation.
Temperature controller 1-3 in constant water bath box 1 can show and control water temperature, and laboratory technician can regulate water temperature by temperature control structure; High pressure sensor 2-9 on coal sample tank 2 top cover 2-6 and the data of temperature sensor 2-10 are sent to and on computer 3, are shown and add up by the transfer of data band of Methane Diffusion analyzer.
Claims (3)
1. a constant temperature water bath Methane Diffusion is measured system, comprise constant water bath box (1), the coal sample tank (2) of Methane Diffusion analyzer and computer (3), it is characterized in that: the composition of described constant water bath box (1) comprises casing (1-1), top in casing (1-1) is provided with water inlet (1-2), bottom in casing (1-1) is provided with temperature controller (1-3) and water pump (1-4), water pump (1-4) is communicated with the setting-out mouth (1-5) on casing (1-1), and the top of setting-out mouth (1-5) is in casing (1-1) outside; The double-decker that coal sample tank (2) is made up of inner tubal wall (2-1) and outer tube wall (2-2), an open top tank shape structure of the independent formation of inner tubal wall (2-1), between inner tubal wall (2-1) and outer tube wall (2-2), form the water-filling space (2-3) of a sandwich, be provided with water-filling space water inlet (2-4) and water-filling space delivery port (2-5) in the bottom of water-filling space (2-3); Be provided with cover (2-6) at the top of inner tubal wall (2-1), be provided with spout (2-7), air inlet (2-8), high pressure sensor (2-9), temperature sensor (2-10) and gas outlet (2-11) at the top of cover (2-6); The setting-out mouth (1-5) of constant water bath box (1) is with the water-filling space water inlet (2-4) of coal sample tank (2) by pipeline communication, and the water-filling space delivery port (2-5) of coal sample tank (2) passes through pipeline communication with the water inlet (1-2) of constant water bath box (1); The high pressure sensor (2-9) of coal sample tank (2) and temperature sensor (2-10) are connected with computer (3) by data acquisition band.
2. constant temperature water bath Methane Diffusion according to claim 1 is measured system, it is characterized in that: described coal sample tank (2) is more than one, when coal sample tank (2) is when more than two, the water-filling space water inlet (2-4) of first coal sample tank (2) is communicated with setting-out mouth (1-5), the water-filling space delivery port (2-5) of last coal sample tank (2) is communicated with water inlet (1-2), and the water-filling space delivery port (2-5) of all the other coal sample tanks (2) is communicated with a rear coal sample tank (2) water-filling space water inlet (2-4).
3. constant temperature water bath Methane Diffusion according to claim 1 is measured system, it is characterized in that: be provided with sealing ring at cover (2-6) with the link position place of inner tubal wall (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155721.9A CN105588929A (en) | 2016-03-20 | 2016-03-20 | Water bath constant-temperature methane diffusion determination system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610155721.9A CN105588929A (en) | 2016-03-20 | 2016-03-20 | Water bath constant-temperature methane diffusion determination system |
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| CN105588929A true CN105588929A (en) | 2016-05-18 |
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| CN201610155721.9A Pending CN105588929A (en) | 2016-03-20 | 2016-03-20 | Water bath constant-temperature methane diffusion determination system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885755A (en) * | 2017-01-10 | 2017-06-23 | 中国矿业大学 | A kind of underground coal mine quickly determines the method and apparatus of coal-bed gas parameter |
| CN107247011A (en) * | 2017-07-26 | 2017-10-13 | 贵州大学 | A kind of Special constant temperature tank |
| CN107561247A (en) * | 2017-09-30 | 2018-01-09 | 贵州大学 | A kind of WT 1 type gas speed determinators of controllable temperature |
| CN108107180A (en) * | 2017-12-28 | 2018-06-01 | 贵州大学 | A kind of height constant temperature gas diffusion initial speed and diffusion initial velocity sensing equipment |
| CN116197032A (en) * | 2023-04-27 | 2023-06-02 | 兴化市热华能源有限公司 | Crushing heating device based on biomass raw material |
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| CN101608545A (en) * | 2009-07-20 | 2009-12-23 | 中国矿业大学(北京) | A kind of method and device of testing gas migration process in the coal and rock |
| CN102607990A (en) * | 2012-03-05 | 2012-07-25 | 河南理工大学 | Whole-range automatic testing method and device for gas desorbing speed of coal sample |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106885755A (en) * | 2017-01-10 | 2017-06-23 | 中国矿业大学 | A kind of underground coal mine quickly determines the method and apparatus of coal-bed gas parameter |
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| CN107561247A (en) * | 2017-09-30 | 2018-01-09 | 贵州大学 | A kind of WT 1 type gas speed determinators of controllable temperature |
| CN108107180A (en) * | 2017-12-28 | 2018-06-01 | 贵州大学 | A kind of height constant temperature gas diffusion initial speed and diffusion initial velocity sensing equipment |
| CN108107180B (en) * | 2017-12-28 | 2024-05-07 | 贵州大学 | High low constant temperature gas diffusion initial velocity and diffusion initial velocity measuring equipment |
| CN116197032A (en) * | 2023-04-27 | 2023-06-02 | 兴化市热华能源有限公司 | Crushing heating device based on biomass raw material |
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Application publication date: 20160518 |