CN202471559U - Coal adsorption mixed gas experiment table - Google Patents
Coal adsorption mixed gas experiment table Download PDFInfo
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- CN202471559U CN202471559U CN2012200904731U CN201220090473U CN202471559U CN 202471559 U CN202471559 U CN 202471559U CN 2012200904731 U CN2012200904731 U CN 2012200904731U CN 201220090473 U CN201220090473 U CN 201220090473U CN 202471559 U CN202471559 U CN 202471559U
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Abstract
The utility model relates to a coal adsorption mixed gas experiment table which comprises an inflation system, a mixed gas preparing device, an adsorption initial pressure control system, a coal sample adsorption characteristic measuring system and a gas component analyzing system, wherein a high-pressure cylinder A and a high-pressure cylinder B are connected with the mixed tank body of the mixed gas preparing device; the mixed gas preparing device is sequentially connected with the adsorption initial pressure control system, an adsorption constant measurer and a coal sample tank through a gas-guide tube; needle tube gas collecting ports are formed on the adsorption constant measurer and the coal sample tank; and collected gases in the adsorption constant measurer and the coal sample tank are analyzed by using a gas chromatographic analyzer. According to the utility model, experiment conditions can be manually controlled and changed, thus a concentration ratio and a volume ratio of different gases as well as a role of coal adsorption characteristics under different gas components can be determined; and the coal adsorption mixed gas experiment table has the advantages of clear and visual experimental result, short experiment period and high effect taking speed, and provides the convenience for further researching the coal adsorption characteristics.
Description
Technical field
The utility model relates to the experiment table of coal characterization of adsorption experimental study, specifically is to study on the basis of coal body absorption pure gas forefathers, during to two or more mixed gas of coal body absorption, studies the experiment table of its characterization of adsorption.Be applicable to that each big coal universities and colleges, mining industry scientific research institutions use.
Background technology
Gas is combination gas but not single methane gas, for improve the stock number estimation, reservoir is described and the accuracy of capability forecasting, the multicomponent gas Study on adsorption property of coal is also more and more received the attention of Chinese scholars.Being in the injection CO2 in pilot scale stage or the theoretical foundation of N2 raising coal-seam gas recovery efficiency technique also is polycomponent absorption, and these all impel polycomponent adsorption technology and the theoretical new focus that becomes coal-seam gas fundamental research gradually.Through the research of coal-seam gas polycomponent absorption, can improve the accuracy of estimation of coal bed gas resource amount and capability forecasting, for gas injection improves the coal-seam gas recovery efficiency technique technical support is provided, therefore need carry out more careful, deep research in this field.The mixed gas adsorbent equipment that uses at present; Distribution link in the middle of having lacked; Can't carry out the preparation of mixed gas in advance, can only charge into mixed gas one by one, can produce the mistiming of coal body adsorbed gas the coal sample jar; And be difficult to accomplish to control the amount that charges into gas in the coal sample adsorption tanks, therefore can cause experimental result to have bigger error.
Summary of the invention
For research that coal body absorption mixed gas characteristic is experimentized, the utility model provides a kind of coal absorption mixed gas experiment table.
The utility model is to adopt following technical scheme to realize: a kind of coal absorption mixed gas experiment table; Comprise gas charging system, mixed gas device for formulating (3), absorption original pressure control system (4), coal sample characterization of adsorption mensuration system and gas composition analysis system, gas charging system is made up of gas cylinder A (1), gas cylinder B (2), reduction valve, wireway (9) and tensimeter; Mixed gas device for formulating (3) is made up of wireway (9), stop valve, tensimeter and mixing tank body; Absorption original pressure control system (4) is made up of wireway (9), reduction valve and tensimeter; The coal sample characterization of adsorption is measured system and is made up of gas absorption constant analyzer (5); The gas composition analysis system is made up of gas chromatographicanalyzer (7); Gas cylinder A (1) is connected with the mixing tank body of mixed gas device for formulating (3) with gas cylinder B (2); Mixed gas device for formulating (3) connects absorption original pressure control system (4), absorption constant analyzer (5) and coal sample jar (6) successively through wireway (9); Absorption constant analyzer (5) and coal sample jar (6) are provided with needle tubing air hatch (8), take out gas in absorption constant analyzer (5) and the coal sample jar (6) and utilize gas chromatographic analysis appearance (7) that the gas that collects is analyzed.
The utility model relies on gas absorption constant analyzer, has set up a whole set of mixed gas inking device and adsorptive pressure control system.The utility model can be artificial control and change experiment condition; Thereby can confirm the rule of coal body characterization of adsorption under gas with various concentration ratio, volume ratio and the gas with various component condition; Experiment effect is clear directly perceived, and short, instant effect can be further research coal characterization of adsorption and facilitated experimental period.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is mixed gas preparation and a needle tubing collector synoptic diagram among Fig. 1.
Embodiment
A kind of coal absorption mixed gas experiment table comprises gas charging system, mixed gas device for formulating 3, absorption original pressure control system 4, coal sample characterization of adsorption mensuration system and gas composition analysis system, and gas charging system is made up of gas cylinder A1, gas cylinder B2, reduction valve, wireway 9 and tensimeter; Mixed gas device for formulating 3 is made up of wireway 9, stop valve, tensimeter and mixing tank body; Absorption original pressure control system 4 is made up of wireway 9, reduction valve and tensimeter.The coal sample characterization of adsorption is measured system and is made up of WY-98B type gas absorption constant analyzer 5.The gas composition analysis system is made up of sp-3430 gas chromatographicanalyzer 7.Gas cylinder A1 is connected with the mixing tank body of mixed gas device for formulating 3 with gas cylinder B2; Mixed gas device for formulating 3 connects absorption original pressure control system 4, absorption constant analyzer 5 and coal sample jar 6 successively through wireway 9; Absorption constant analyzer 5 is provided with needle tubing air hatch 8 with coal sample jar 6, takes out gas in absorption constant analyzer 5 and the coal sample jar 6 and utilizes 7 pairs of gases that collect of gas chromatographic analysis appearance to analyze.
The utility model embodiment is following: before the experiment beginning, gas charging system, mixed gas device for formulating 3, absorption original pressure control system 4 and coal sample characterization of adsorption measured system couples together through reduction valve and wireway 9, and as shown in Figure 1.Each required pure gas of experiment is charged in the mixed gas device for formulating 3 according to a certain percentage, it is static more than 48 hours.Treat to open the reduction valve that is connected with coal sample characterization of adsorption proving installation after gas mixes fully, it is charged into the indoor coal sample absorption mixed gas characteristic test that begins to experimentize of adsorbent chamber.Experiment is in the coal sample absorption mixed gas process, adopt under each pressure rating condition collector respectively before the absorption beginning, in the adsorption process and absorption the indoor gas of adsorbent chamber is extracted after finishing.Then, utilize 7 pairs of gases that collect of gas chromatographic analysis appearance to analyze, analysis result is summarized, thereby find out characterization of adsorption a series of Changing Pattern in mixed-gas environment of coal.
Claims (1)
1. a coal adsorbs the mixed gas experiment table; Comprise gas charging system, mixed gas device for formulating (3), absorption original pressure control system (4), coal sample characterization of adsorption mensuration system and gas composition analysis system, it is characterized in that: gas charging system is made up of gas cylinder A (1), gas cylinder B (2), reduction valve, wireway (9) and tensimeter; Mixed gas device for formulating (3) is made up of wireway (9), stop valve, tensimeter and mixing tank body; Absorption original pressure control system (4) is made up of wireway (9), reduction valve and tensimeter; The coal sample characterization of adsorption is measured system and is made up of gas absorption constant analyzer (5); The gas composition analysis system is made up of gas chromatographicanalyzer (7); Gas cylinder A (1) is connected with the mixing tank body of mixed gas device for formulating (3) with gas cylinder B (2); Mixed gas device for formulating (3) connects absorption original pressure control system (4), absorption constant analyzer (5) and coal sample jar (6) successively through wireway (9); Absorption constant analyzer (5) and coal sample jar (6) are provided with needle tubing air hatch (8), take out gas in absorption constant analyzer (5) and the coal sample jar (6) and utilize gas chromatographic analysis appearance (7) that the gas that collects is analyzed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200904731U CN202471559U (en) | 2012-03-12 | 2012-03-12 | Coal adsorption mixed gas experiment table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200904731U CN202471559U (en) | 2012-03-12 | 2012-03-12 | Coal adsorption mixed gas experiment table |
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| CN202471559U true CN202471559U (en) | 2012-10-03 |
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| CN2012200904731U Expired - Fee Related CN202471559U (en) | 2012-03-12 | 2012-03-12 | Coal adsorption mixed gas experiment table |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471977A (en) * | 2013-09-25 | 2013-12-25 | 湖南科技大学 | Detection system and detection method for detecting gas permeability of coal gangue fill |
| CN104819910A (en) * | 2015-05-27 | 2015-08-05 | 辽宁工程技术大学 | Experimental device and method for measuring amount of gas adsorbed by large quantity of coal samples under condition of normal pressure |
| CN104849300A (en) * | 2015-05-30 | 2015-08-19 | 西安科技大学 | Experiment table for researching influences of coal body gas content to coal spontaneous combustion characteristics and application method of experiment table |
| CN106422663A (en) * | 2016-12-22 | 2017-02-22 | 华北科技学院 | Device and method for increasing gas concentration of coal mine ventilation air methane |
| CN107884328A (en) * | 2017-12-01 | 2018-04-06 | 贵州大学 | A kind of three axle seepage apparatus for measuring mixed gas content change |
| CN108730761A (en) * | 2017-04-21 | 2018-11-02 | 上海润京能源科技有限公司 | Insulation of electrical installation fluorinated mixed gas on-site maintenance device |
| CN110146425A (en) * | 2019-05-16 | 2019-08-20 | 中国地质大学（武汉） | A kind of quantitative assessment experimental provision of shale High Pressure Absorption gas componant |
| CN110208164A (en) * | 2019-07-10 | 2019-09-06 | 西南石油大学 | A kind of compact rock core permeability measuring apparatus and measurement method |
| CN114544703A (en) * | 2022-01-18 | 2022-05-27 | 北京科技大学 | Device and method for measuring oxidation temperature rise characteristics of pressurized coal body under multi-atmosphere environmental load |
-
2012
- 2012-03-12 CN CN2012200904731U patent/CN202471559U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471977B (en) * | 2013-09-25 | 2016-04-13 | 湖南科技大学 | A kind of detection system of gangue obturation gas gas penetration potential and detection method thereof |
| CN103471977A (en) * | 2013-09-25 | 2013-12-25 | 湖南科技大学 | Detection system and detection method for detecting gas permeability of coal gangue fill |
| CN104819910A (en) * | 2015-05-27 | 2015-08-05 | 辽宁工程技术大学 | Experimental device and method for measuring amount of gas adsorbed by large quantity of coal samples under condition of normal pressure |
| CN104849300B (en) * | 2015-05-30 | 2019-01-15 | 西安科技大学 | Coal gas content influences research experiment platform and its application method to coal spontaneous combustion characteristic |
| CN104849300A (en) * | 2015-05-30 | 2015-08-19 | 西安科技大学 | Experiment table for researching influences of coal body gas content to coal spontaneous combustion characteristics and application method of experiment table |
| CN106422663A (en) * | 2016-12-22 | 2017-02-22 | 华北科技学院 | Device and method for increasing gas concentration of coal mine ventilation air methane |
| CN106422663B (en) * | 2016-12-22 | 2022-10-25 | 华北科技学院 | Device and method for improving coal mine ventilation air methane concentration |
| CN108730761A (en) * | 2017-04-21 | 2018-11-02 | 上海润京能源科技有限公司 | Insulation of electrical installation fluorinated mixed gas on-site maintenance device |
| CN107884328A (en) * | 2017-12-01 | 2018-04-06 | 贵州大学 | A kind of three axle seepage apparatus for measuring mixed gas content change |
| CN110146425A (en) * | 2019-05-16 | 2019-08-20 | 中国地质大学（武汉） | A kind of quantitative assessment experimental provision of shale High Pressure Absorption gas componant |
| CN110208164A (en) * | 2019-07-10 | 2019-09-06 | 西南石油大学 | A kind of compact rock core permeability measuring apparatus and measurement method |
| CN110208164B (en) * | 2019-07-10 | 2021-04-13 | 西南石油大学 | Compact core permeability measuring device and measuring method |
| CN114544703A (en) * | 2022-01-18 | 2022-05-27 | 北京科技大学 | Device and method for measuring oxidation temperature rise characteristics of pressurized coal body under multi-atmosphere environmental load |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20150312 |
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| EXPY | Termination of patent right or utility model |