CN215296855U - Coal bed gas sampling device - Google Patents
Coal bed gas sampling device Download PDFInfo
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- CN215296855U CN215296855U CN202121771779.9U CN202121771779U CN215296855U CN 215296855 U CN215296855 U CN 215296855U CN 202121771779 U CN202121771779 U CN 202121771779U CN 215296855 U CN215296855 U CN 215296855U
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Abstract
The utility model discloses a coal bed gas sampling device, concretely relates to coal bed gas technical field, including the sampling box, the outside fixed mounting of sampling box has control panel, the bottom surface fixed mounting of sampling box inner chamber has the protective housing, the inside of protective housing is equipped with the compressor, the fixed outlet duct that has cup jointed in one end of compressor, the fixed intake pipe that has cup jointed of the other end of compressor, the bottom surface of sampling box inner chamber is equipped with the gas holder, the outer wall intercommunication of gas holder has the acquisition pipe, the one end fixed mounting of acquisition pipe has the gas collection cover. In the above scheme, through setting up compressor and gas holder, can take the inside air of gas holder out earlier, utilize pressure difference, inhale the coal bed gas in, realize the effect that the coal bed gas was collected, avoided the experimental error that drainage method brought, also saved work step, can ensure through setting up first solenoid valve and second solenoid valve that gas can not leak, make things convenient for follow-up detection and sample.
Description
Technical Field
The utility model relates to a coal bed gas technical field, more specifically say, the utility model relates to a coal bed gas sampling device.
Background
The energy is the life pulse of national economic development, and the exploration and development work of the energy is more and more paid attention by the nation and people. Coal bed gas widely stored in underground coal beds is a new energy source, and is a flammable and explosive hazardous substance in coal mining. In order to change the harm into the treasure and fully and effectively utilize the coal bed gas, the coal bed gas needs to be detected and sampled in advance before mining so as to ensure the safe production of coal and develop new energy.
At present, the traditional mode for collecting the drilling gas sample of the coal bed gas parameter well is to collect the gas sample of the coal bed gas parameter well by using saturated salt solution as a medium and adopting a drainage gas collection mode. This kind of gas collection mode, every time gather the gas sample all need waste water resource and salt, use comparatively complicacy, need carry out the ratio of saturated salt solution on the scene, and the operation is comparatively complicated, especially has the operational difficulties to the configuration of saturated salt solution under the extreme weather. In addition, the mode of utilizing saturated salt solution to carry out drainage method and gather coal bed gas appearance can cause certain experimental data error: because the gas sample of the coal bed gas parameter well needs to pass through the saturated salt solution once, a part of gas components can be dissolved in the water, certain difficulty and interference are caused to the test and analysis work of later-stage gas experimental data, and the influence on the later-stage coal bed gas parameter well on the later-stage coal bed gas exploration and development work is caused to a certain extent.
Therefore, it is desirable to provide a coal bed methane gas sampling device.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a coal bed gas sampling device to solve prior art's drainage method gas collection mode operation complicacy, the problem that experimental data has the error.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a coal bed gas sampling device, includes the sampling case, the outside fixed mounting of sampling case has control panel, the bottom surface fixed mounting of sampling case inner chamber has the protective housing, the inside of protective housing is equipped with the compressor, the fixed cover of one end of compressor has connect the outlet duct, the fixed cover of the other end of compressor has connect the intake pipe, the bottom surface of sampling case inner chamber is equipped with the gas holder, the outer wall intercommunication of gas holder has the acquisition pipe, the one end fixed mounting of acquisition pipe has gas collection cover, the inside of acquisition pipe is equipped with first solenoid valve, the outside fixed mounting of sampling case has the display screen, the movable groove has been seted up to the top surface of gas holder, the inner wall sliding connection of gas holder has the compression board, the inside of intake pipe is equipped with the second solenoid valve, the bottom surface of gas holder inner chamber is equipped with baroceptor.
Preferably, the inner wall of the collection pipe is provided with a filter residue net close to the gas collection cover, and one end of the gas outlet pipe extends to the outside of the sampling box.
Preferably, the bottom surface radius of compression board is greater than the bottom surface radius of activity groove, be equipped with the sealing sleeve ring between the outer wall of compression board and the inner wall of gas holder, the inside of gas holder is equipped with gas concentration sensor and temperature sensor.
Preferably, the top surface fixed mounting of sampling box has the motor case, one side fixedly connected with work box of motor case, one side movable mounting of work box has the movable rod, the elongated slot has been seted up to the top surface of sampling box, the outer wall of movable rod and the mutual adaptation of inner wall of elongated slot, the one end fixedly connected with activity ejector pin of movable rod, the bottom of activity ejector pin and the top surface fixed connection of compression plate.
Preferably, the inside of motor case is equipped with step motor, step motor's the fixed vertical gear that has cup jointed of output, the inner wall fixed mounting of work box has the fixed axle, the extrusion lead screw has been cup jointed in the outer wall activity of fixed axle, the fixed horizontally geared that has cup jointed of one end of extrusion lead screw, the outer wall screw thread of extrusion lead screw has cup jointed the removal cover.
Preferably, the outer edge of the vertical gear is meshed with the horizontal gear, and the outer wall of the movable sleeve is fixedly connected with the other end of the movable rod.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
in the scheme, by arranging the compressor and the gas storage tank, air in the gas storage tank can be firstly pumped out, and the coal bed gas is sucked in by utilizing the pressure difference, so that the effect of collecting the coal bed gas is realized, the experimental error caused by a drainage method is avoided, the working steps are also saved, the gas can be ensured not to leak by arranging the first electromagnetic valve and the second electromagnetic valve, and the subsequent detection and sampling are convenient;
among the above-mentioned scheme, through starting step motor, utilize step motor's drive to indirectly drive the rotation of extrusion lead screw to control compression board descends, realizes the purpose to gas extrusion, and coal bed gas can liquefy through the pressurization, collects after the convenient detection finishes.
Drawings
Fig. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
FIG. 3 is a schematic view of the overall internal structure of the present invention;
fig. 4 is a schematic view of the protective housing of the present invention;
FIG. 5 is a schematic view of the inner structure of the working box of the present invention;
fig. 6 is a schematic diagram of the internal structure of the gas storage tank of the present invention.
[ reference numerals ]
1. A sampling box; 2. a control panel; 3. a protective shell; 4. a compressor; 5. an air outlet pipe; 6. an air inlet pipe; 7. a gas storage tank; 8. a collection tube; 9. a gas collection hood; 10. a first solenoid valve; 11. a display screen; 12. a movable groove; 13. a motor case; 14. a work box; 15. a movable rod; 16. a movable ejector rod; 17. a compression plate; 18. a long groove; 19. a second solenoid valve; 20. a stepping motor; 21. a vertical gear; 22. extruding the screw rod; 23. a horizontal gear; 24. moving the sleeve; 25. an air pressure sensor.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more clear, the following detailed description is given with reference to the accompanying drawings and specific embodiments, and the description of this section is only exemplary and explanatory and should not be taken as limiting the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Example one
As shown in FIGS. 1-6, an embodiment of the utility model provides a coal bed gas sampling device, which comprises a sampling box 1, a control panel 2 is fixedly installed on the outer side of the sampling box 1, a protective shell 3 is fixedly installed on the bottom surface of the inner cavity of the sampling box 1, a compressor 4 is arranged inside the protective shell 3, an air outlet pipe 5 is fixedly sleeved on one end of the compressor 4, an air inlet pipe 6 is fixedly sleeved on the other end of the compressor 4, an air storage tank 7 is arranged on the bottom surface of the inner cavity of the sampling box 1, the outer wall of the air storage tank 7 is communicated with a collection pipe 8, a gas collection cover 9 is fixedly installed on one end of the collection pipe 8, a first electromagnetic valve 10 is arranged inside the collection pipe 8, a display screen 11 is fixedly installed on the outer side of the sampling box 1, a movable groove 12 is opened on the top surface of the air storage tank 7, a compression plate 17 is slidably connected to the inner wall of the air storage tank 7, a second electromagnetic valve 19 is arranged inside the air inlet pipe 6, the bottom surface of the inner cavity of the air storage tank 7 is provided with an air pressure sensor 25.
Specifically, when beginning to collect, utilize control panel 2, start compressor 4, compressor 4 will take out 7 inside gas of gas holder and produce the pressure difference, and the pressure difference makes coal bed gas pass through gas collection cover 9 and gathers pipe 8 and get into 7 inside gas holders, and 7 inside gas of gas holders along with 5 eduction gear outsides of outlet duct.
In particular, the collection tube 8 may be a straight tube or a curved tube.
Wherein, the inner wall of the collecting pipe 8 is provided with a filter residue net close to the gas collecting cover 9, and one end of the gas outlet pipe 5 extends to the outside of the sampling box 1.
Specifically, the filter residue net can avoid some foreign particles to enter, influences the detection data, is provided with the air input detector near gas collection cover 9 in the inside of gathering pipe 8, and it is located filter residue net right side, can detect the air input to present at display screen 11, when the air input equals gas holder 7 internal volume, close compressor 4 and second solenoid valve 19.
Wherein, the bottom surface radius of compression board 17 is greater than the bottom surface radius of activity groove 12, is equipped with the sealing collar between the outer wall of compression board 17 and the inner wall of gas holder 7, and the inside of gas holder 7 is equipped with gas concentration sensor and temperature sensor.
Specifically, depending on the data to be detected, specific sensors are installed, for example: gas concentration sensors, temperature sensors, humidity sensors, etc.
Example two
As shown in fig. 1 to 5, the second embodiment is different from the first embodiment in that: a motor box 13 is fixedly installed on the top surface of the sampling box 1, a working box 14 is fixedly connected to one side of the motor box 13, a movable rod 15 is movably installed on one side of the working box 14, an elongated slot 18 is formed in the top surface of the sampling box 1, the outer wall of the movable rod 15 is matched with the inner wall of the elongated slot 18, one end of the movable rod 15 is fixedly connected with a movable ejector rod 16, and the bottom of the movable ejector rod 16 is fixedly connected with the top surface of a compression plate 17; a stepping motor 20 is arranged in the motor box 13, a vertical gear 21 is fixedly sleeved at the output end of the stepping motor 20, a fixed shaft is fixedly installed on the inner wall of the working box 14, an extrusion screw rod 22 is movably sleeved on the outer wall of the fixed shaft, a horizontal gear 23 is fixedly sleeved at one end of the extrusion screw rod 22, and a moving sleeve 24 is sleeved on the outer wall of the extrusion screw rod 22 in a threaded manner; the outer edge of the vertical gear 21 is engaged with the horizontal gear 23, and the outer wall of the movable sleeve 24 is fixedly connected with the other end of the movable rod 15.
Specifically, close first solenoid valve 10 and second solenoid valve 19 earlier, start step motor 20, step motor 20 drives vertical gear 21 and rotates, and vertical gear 21 drives and rotates, utilizes horizontal gear 23 to drive extrusion lead screw 22 again and rotates after that, thereby drives and removes cover 24 and descend, and slowly drive compression plate 17 and descend, extrudees gas, thereby realizes the effect to gas liquefaction, and baroceptor 25 can show the barotropic index in real time at display screen 11, avoids taking place danger.
The working process of the utility model is as follows:
according to the scheme, when collection is started, the control panel 2 is utilized to start the compressor 4, the compressor 4 pumps gas in the gas storage tank 7 and generates pressure difference, the pressure difference enables the coal bed gas to enter the gas storage tank 7 through the gas collection cover 9 and the collection pipe 8, and the gas in the gas storage tank 7 is discharged out of the device along with the gas outlet pipe 5; when the liquefaction storage begins, step motor 20 is started, step motor 20 drives vertical gear 21 to rotate, vertical gear 21 drives to rotate, then horizontal gear 23 drives extrusion screw 22 to rotate, thereby driving moving sleeve 24 to descend, and slowly driving compression plate 17 to descend, extrudes gas, and pressure sensor 25 can display the pressure index in real time on display screen 11, and avoids danger.
The device not only can utilize compressor 4 and gas holder 7 to collect coal bed gas, but also can liquefy the buffer memory to gas, enlarges storage space, and work step is simple, and the practicality is strong, and factor of safety is high, is worth promoting.
The points to be finally explained are: the terms "central," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the description and are used in a generic and descriptive sense only and not for purposes of limitation, the term "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for a person of ordinary skill in the art;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The coal bed gas sampling device comprises a sampling box (1), a control panel (2) is fixedly mounted on the outer side of the sampling box (1), and the coal bed gas sampling device is characterized in that a protective shell (3) is fixedly mounted on the bottom surface of the inner cavity of the sampling box (1), a compressor (4) is arranged inside the protective shell (3), an air outlet pipe (5) is fixedly sleeved at one end of the compressor (4), an air inlet pipe (6) is fixedly sleeved at the other end of the compressor (4), an air storage tank (7) is arranged on the bottom surface of the inner cavity of the sampling box (1), an acquisition pipe (8) is communicated with the outer wall of the air storage tank (7), a gas collection cover (9) is fixedly mounted at one end of the acquisition pipe (8), a first electromagnetic valve (10) is arranged inside the acquisition pipe (8), and a display screen (11) is fixedly mounted on the outer side of the sampling box (1), activity groove (12) have been seted up to the top surface of gas holder (7), the inner wall sliding connection of gas holder (7) has compression board (17), the inside of intake pipe (6) is equipped with second solenoid valve (19), the bottom surface of gas holder (7) inner chamber is equipped with baroceptor (25).
2. The coalbed methane gas sampling device of claim 1, wherein a filter residue net is arranged on the inner wall of the collection pipe (8) near the gas collection cover (9), and one end of the gas outlet pipe (5) extends to the outside of the sampling box (1).
3. The coalbed methane gas sampling device of claim 1, wherein the radius of the bottom surface of the compression plate (17) is larger than that of the movable groove (12), a sealing collar is arranged between the outer wall of the compression plate (17) and the inner wall of the gas storage tank (7), and a gas concentration sensor and a temperature sensor are arranged inside the gas storage tank (7).
4. The coalbed methane gas sampling device of claim 1, characterized in that a motor box (13) is fixedly mounted on the top surface of the sampling box (1), a work box (14) is fixedly connected to one side of the motor box (13), a movable rod (15) is movably mounted to one side of the work box (14), an elongated slot (18) is formed in the top surface of the sampling box (1), the outer wall of the movable rod (15) and the inner wall of the elongated slot (18) are matched with each other, a movable ejector rod (16) is fixedly connected to one end of the movable rod (15), and the bottom of the movable ejector rod (16) is fixedly connected to the top surface of a compression plate (17).
5. The coalbed methane gas sampling device of claim 4, wherein a stepping motor (20) is arranged inside the motor box (13), a vertical gear (21) is fixedly sleeved on an output end of the stepping motor (20), a fixed shaft is fixedly installed on an inner wall of the working box (14), an extrusion screw rod (22) is movably sleeved on an outer wall of the fixed shaft, a horizontal gear (23) is fixedly sleeved on one end of the extrusion screw rod (22), and a moving sleeve (24) is sleeved on an outer wall thread of the extrusion screw rod (22).
6. A coal bed methane gas sampling device according to claim 5, characterized in that the outer edge of the vertical gear (21) is engaged with the horizontal gear (23), and the outer wall of the movable sleeve (24) is fixedly connected with the other end of the movable rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121771779.9U CN215296855U (en) | 2021-07-30 | 2021-07-30 | Coal bed gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121771779.9U CN215296855U (en) | 2021-07-30 | 2021-07-30 | Coal bed gas sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN215296855U true CN215296855U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121771779.9U Expired - Fee Related CN215296855U (en) | 2021-07-30 | 2021-07-30 | Coal bed gas sampling device |
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| CN (1) | CN215296855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115015517A (en) * | 2022-06-02 | 2022-09-06 | 自贡弘远能源有限公司 | Coal bed gas detector |
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2021
- 2021-07-30 CN CN202121771779.9U patent/CN215296855U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115015517A (en) * | 2022-06-02 | 2022-09-06 | 自贡弘远能源有限公司 | Coal bed gas detector |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211224 |