CN219412569U - Coal bed gas well wellhead sampling device - Google Patents
Coal bed gas well wellhead sampling device Download PDFInfo
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- CN219412569U CN219412569U CN202320623640.2U CN202320623640U CN219412569U CN 219412569 U CN219412569 U CN 219412569U CN 202320623640 U CN202320623640 U CN 202320623640U CN 219412569 U CN219412569 U CN 219412569U
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- working barrel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The utility model relates to the field of sampling devices and discloses a coal-bed gas well wellhead sampling device which comprises a working barrel, wherein a placing groove is formed in the lower end of the outer wall of the working barrel, a plurality of movable legs are rotatably connected to the inner bottom surface of the placing groove, a mounting groove is formed in the lower end of the inner part of the working barrel, and a corrugated pipe is fixedly connected to the center of the inner top surface of the mounting groove. Compared with the existing sampling device, the sampling device has the advantages that the movable legs are pulled out of the placing grooves and then supported at the edge of the inlet when in use, and then the movable legs are carried on the upper end of the wellhead, so that the device is placed on the upper end of the wellhead, and then the electric push rod drives the corrugated pipe to extend out, so that the gas in the wellhead is sampled, and the problem that the conventional device cannot effectively sample the gas in the wellhead is avoided, so that the sampled result is possibly inaccurate.
Description
Technical Field
The utility model relates to the field of sampling devices, in particular to a coal-bed gas well wellhead sampling device.
Background
At present, development of coal bed gas in China is in a rapid development period, for evaluation of coal bed gas resources, determination of geochemistry and gas quality parameters of the coal bed gas is an important component, compared with conventional natural gas, the coal bed gas belongs to desorption gas, and because of the existence of differential adsorption and fractionation effects, the geochemistry and gas quality parameters of the coal bed gas are dynamically changed in the development process, so that the geochemistry and gas quality parameters of the coal bed gas need to be monitored in the exploration and development of the coal bed gas, and a sampling device is needed to sample and monitor gas data of a wellhead, so that the wellhead sampling device of the coal bed gas well is provided.
Most of the existing sampling devices are required to be held by a worker or to be placed at the edge of a wellhead or to be inserted into the wellhead by using fixed components, so that the existing sampling devices are troublesome, and most of the existing sampling devices are used for single sampling, the numerical error is large, and only the part of the wellhead, which is slightly lower than the wellhead, can be sampled by using part of the devices, so that the mixed gas is large during sampling, and the problem of large data error of the sample is caused.
Disclosure of Invention
Compared with the existing sampling device, the sampling device for the coal-bed gas well wellhead provided by the utility model has the advantages that when the corrugated pipe stretches into the wellhead, the suction pump is used for sucking gas through the conveying cavity and sending the gas into the retention cavity, then the second electromagnetic valve is closed, the third electromagnetic valve is opened, the gas in the earlier stage is discharged from the gas outlet pipe, the phenomenon that the gas in the earlier stage is insufficient in standard in sampling is avoided, when the gas is discharged for a certain time, the third electromagnetic valve is closed, the second electromagnetic valve is opened, the gas enters the gas collecting bottle in threaded connection with one end of the gas pipe through the connecting pipe, then the first electromagnetic valve at one end is closed, the gas enters the gas collecting bottle in threaded connection with the other end of the gas pipe through the gas pipe, and then the first electromagnetic valve at the other end is opened, so that the gas enters the gas collecting bottle in threaded connection with the other end of the gas pipe through the first electromagnetic valve, and the secondary sampling is carried out, the problem that the conventional single sampling is avoided, and the structure is insufficient and accurate is caused.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic feeding device comprises a working barrel, wherein a placing groove is formed in the lower end of the outer wall of the working barrel, a plurality of movable legs are rotatably connected to the inner bottom surface of the placing groove, a mounting groove is formed in the lower end of the inner part of the working barrel, a corrugated pipe is fixedly connected to the center of the inner top surface of the mounting groove, a fixing plate is fixedly connected to the lower end of the pipe body of the corrugated pipe, a plurality of electric push rods are fixedly connected to the inner top surface of the mounting groove, and a conveying cavity is formed in the upper end of the mounting groove;
the device comprises a working barrel, wherein one side of the upper end of the working barrel is provided with a mounting cavity, the inner bottom surface of the mounting cavity is provided with a suction pump, the middle part of the upper end of the working barrel is provided with a detention cavity, the upper end of the detention cavity is provided with an air outlet pipe, the lower end of the air outlet pipe penetrates through the working barrel to the interior of the detention cavity and is provided with a third electromagnetic valve, one side of the upper end of the working barrel, which is far away from the mounting cavity, is provided with a collecting tank, the interior of the collecting tank is provided with an air pipe, the pipe body of the air pipe is provided with two first electromagnetic valves, and the upper end of the collecting tank is provided with a connecting pipe;
through above-mentioned technical scheme, compare current sampling device, this sampling device is through the activity leg that sets up, make the device can be better fixed in the upper end of well head, avoided the problem that the device needs the staff to hold in the past, the suction pump of rethread setting can get into the gaseous multiple sample of single sample of inside, thereby can be better obtain the gaseous accurate data of this well head, and the device simple structure makes the device more practical through a series of structures, be worth promoting.
Further, the input end of the suction pump is communicated with the conveying cavity, and the output end of the suction pump penetrates through the mounting cavity and is communicated with the detention cavity;
through the technical scheme, the input end of the suction pump is communicated with the conveying cavity, and the output end of the suction pump penetrates through the mounting cavity and is communicated with the detention cavity, so that gas can be better fed into the detention cavity through the suction pump.
Further, one side of the connecting pipe, which is close to the detention cavity, penetrates through the working barrel to the interior of the detention cavity and is provided with a second electromagnetic valve, and one end of the connecting pipe, which is far away from the second electromagnetic valve, penetrates through the working barrel to the interior of the collecting tank and is in through connection with the air pipe;
through above-mentioned technical scheme, run through the inside that work barrel to detained the chamber through the one side that the connecting pipe is close to detaining the chamber and be provided with the second solenoid valve outside the control gas exhaust work barrel that can be better, rethread connecting pipe keeps away from the one end of second solenoid valve run through the inside of work barrel to collecting vat and link up with the trachea and be connected, can be better carry gas to the trachea through the connecting pipe in to this collects gas.
Further, handles are fixedly connected to the upper ends of the outer walls of the two sides of the working barrel;
through above-mentioned technical scheme, through the equal fixedly connected with handle of the upper end of work drum both sides outer wall, messenger's device that can be better removes.
Further, one side in the front end of the collecting tank is rotatably connected with a movable door;
through above-mentioned technical scheme, be connected with the dodge gate through the inside one side rotation of collecting vat front end and can be better place the gas collection bottle in the collecting vat.
Further, the conveying cavity is in through connection with the corrugated pipe;
through the technical scheme, the conveying cavity is in through connection with the corrugated pipe, so that gas at the lower end of the corrugated pipe can be better sucked.
Further, the output end of the electric push rod is fixedly connected with the upper surface of the fixed plate;
through above-mentioned technical scheme, through the output of electric putter and the last fixed surface of fixed plate be connected, make that it drives the bellows and carry out flexible removal that can be better.
The utility model has the following beneficial effects:
1. compared with the existing sampling device, the sampling device for the wellhead of the coal-bed gas well provided by the utility model has the advantages that the movable legs are pulled out from the placing grooves during use and then supported at the edge of the inlet, then the movable legs are carried on the upper end of the wellhead, so that the device is placed on the upper end of the wellhead, and then the electric push rod drives the corrugated pipe to extend out, so that the gas in the wellhead is sampled, the problem that the conventional device cannot effectively sample the gas in the wellhead is avoided, and the sampled result is possibly inaccurate.
2. Compared with the existing sampling device, the sampling device for the wellhead of the coal-bed gas well provided by the utility model has the advantages that when the corrugated pipe stretches into the wellhead, the sampling device works through the suction pump, the suction pump sucks gas through the conveying cavity and sends the gas into the detention cavity, then the second electromagnetic valve is closed, the third electromagnetic valve is opened, the gas in the earlier stage is discharged from the gas outlet pipe, the phenomenon that sampling is insufficient due to more mixed gas in the earlier stage is avoided, when the gas is discharged for a certain time, the third electromagnetic valve is closed, the second electromagnetic valve is opened, the gas enters the gas pipe through the connecting pipe, then the first electromagnetic valve at one end is closed, the gas enters the gas collecting bottle connected with one end of the gas pipe through the thread, then the first electromagnetic valve at the other end is opened, and the gas enters the gas collecting bottle connected with the other end through the thread, so that the secondary sampling is carried out, and the problem that the structure is inaccurate due to the fact that the gas is sampled once in the past is avoided.
3. Compared with the existing sampling device, the sampling device for the wellhead of the coal-bed gas well provided by the utility model has the advantages that the device can be better fixed at the upper end of the wellhead through the movable legs, the problem that the former device needs to be held by staff is avoided, and the gas in the device can enter into a single sampling mode through the suction pump, so that accurate data of the wellhead gas can be better obtained, the device is simple in structure, and the device is more practical through a series of structures and is worthy of popularization.
Drawings
FIG. 1 is an isometric view of a coal-bed gas well wellhead sampling device according to the present utility model;
FIG. 2 is a top view of a coal-bed gas well wellhead sampling device according to the present utility model;
FIG. 3 is a front cross-sectional view of a coal-bed gas well wellhead sampling device according to the present utility model;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 shows a coal-bed gas well wellhead sampling device according to the present utility model
Legend description:
1. a working barrel; 2. a placement groove; 3. a movable leg; 4. a handle; 5. an air outlet pipe; 6. a collection tank; 7. a movable door; 8. a retention chamber; 9. a mounting cavity; 10. a getter pump; 11. a mounting groove; 12. a fixing plate; 13. a bellows; 14. an electric push rod; 15. a delivery chamber; 16. a first electromagnetic valve; 17. a connecting pipe; 18. a second electromagnetic valve; 19. an air pipe; 20. and a third solenoid valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the automatic feeding device comprises a working barrel 1, wherein a placing groove 2 is formed in the lower end of the outer wall of the working barrel 1, a plurality of movable legs 3 are rotatably connected to the inner bottom surface of the placing groove 2, a mounting groove 11 is formed in the lower end of the inner side of the working barrel 1, a corrugated pipe 13 is fixedly connected to the center of the inner top surface of the mounting groove 11, the lower end of a pipe body of the corrugated pipe 13 is fixedly connected with a fixing plate 12, a plurality of electric push rods 14 are fixedly connected to the inner top surface of the mounting groove 11, and a conveying cavity 15 is formed in the upper end of the mounting groove 11;
a mounting cavity 9 is formed in one side of the upper end of the inside of the working barrel 1, an air suction pump 10 is arranged on the inner bottom surface of the mounting cavity 9, a detention cavity 8 is formed in the middle of the upper end of the inside of the working barrel 1, an air outlet pipe 5 is arranged at the upper end of the detention cavity 8, the lower end of the air outlet pipe 5 penetrates through the inside of the working barrel 1 to the detention cavity 8 and is provided with a third electromagnetic valve 20, a collecting tank 6 is arranged at one side of the upper end of the inside of the working barrel 1 far away from the mounting cavity 9, an air pipe 19 is arranged in the collecting tank 6, two first electromagnetic valves 16 are arranged on the pipe body of the air pipe 19, and a connecting pipe 17 is arranged at the upper end of the collecting tank 6;
compare current sampling device, this sampling device is through the movable leg 3 that sets up, make the device can be better fixed in the upper end of well head, avoided the problem that the device needs the staff to hold in the past, the suction pump 10 that the rethread set up can get into the gaseous multiple sample of single sample of inside to this accurate data that can be better obtains this well head gas, and the device simple structure makes the device more practical through a series of structures, is worth promoting.
The input end of the suction pump 10 is communicated with the conveying cavity 15, the output end of the suction pump 10 penetrates through the mounting cavity 9 and is communicated with the detention cavity 8, gas can be better sent into the detention cavity 8 through the suction pump 10, one side of the connecting pipe 17, which is close to the detention cavity 8, penetrates through the working barrel 1 to the inside of the detention cavity 8 and is provided with a second electromagnetic valve 18, one end of the connecting pipe 17, which is far away from the second electromagnetic valve 18, penetrates through the working barrel 1 to the inside of the collecting tank 6 and is communicated with an air pipe 19, one side, which is close to the detention cavity 8, of the connecting pipe 17 penetrates through the working barrel 1 to the inside of the detention cavity 8 and is provided with the second electromagnetic valve 18, so that the gas can be better controlled to be discharged out of the working barrel 1, the end of the connecting pipe 17 far away from the second electromagnetic valve 18 penetrates through the working barrel 1 to the collecting tank 6 and is in through connection with the air pipe 19, the air is better conveyed into the air pipe 19 through the connecting pipe 17, so that the air is collected, the upper ends of the outer walls of the two sides of the working barrel 1 are fixedly connected with the handles 4, the handles 4 are fixedly connected with the upper ends of the outer walls of the two sides of the working barrel 1, the device can be better moved, one side of the inner part of the front end of the collecting tank 6 is rotatably connected with the movable door 7, the air collecting bottle can be better placed in the collecting tank 6 through one side of the inner part of the front end of the collecting tank 6, the conveying cavity 15 is in through connection with the corrugated pipe 13, the air at the lower end of the corrugated pipe 13 can be better sucked through the through connection of the conveying cavity 15 and the corrugated pipe 13, the output end of the electric push rod 14 is fixedly connected with the upper surface of the fixed plate 12, the output end of the electric push rod 14 is fixedly connected with the upper surface of the fixed plate 12, so that the electric push rod can drive the corrugated pipe 13 to stretch and retract.
Working principle: during the use, pull out movable leg 3 from standing groove 2 through the staff then make movable leg 3 support in well head border department, then make movable leg 3 carry the upper end at the well head, thereby place the device in the upper end of well head, then drive bellows 13 through electric putter 14 and stretch out, make bellows 13 stretch into the inside of well head, then through the aspirator pump 10 that sets up, when bellows 13 stretches into the well head inside, work through aspirator pump 10, aspirator pump 10 inhales the gas through carrying chamber 15 and send into and detain in chamber 8, then close second solenoid valve 18, open third solenoid valve 20, make the gas in earlier stage carry out the discharge from outlet duct 5, avoid earlier stage mixed gas more, lead to the sampling to be standard inadequately, after the gas discharge for a period of time, close third solenoid valve 20, open second solenoid valve 18, make the gas get into in the trachea 19 through connecting pipe 17, then close first solenoid valve 16 of one end, make the gas get into the gas bottle of trachea 19 one end threaded connection through trachea 19, then through first solenoid valve 16 of this one side, the other end of the gas bottle of the other end is opened, the gas bottle of the other end 16 is made the gas of gas bottle of taking a breath through the screw connection, the other end is made the gas bottle of the threaded connection through this thread 7 is opened again, the screw thread is connected through this valve is screwed down to the people.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a coal bed gas well head sampling device, includes work drum (1), its characterized in that: the lower end of the outer wall of the working barrel (1) is provided with a placing groove (2), the inner bottom surface of the placing groove (2) is rotationally connected with a plurality of movable legs (3), the lower end of the inner part of the working barrel (1) is provided with a mounting groove (11), the center of the inner top surface of the mounting groove (11) is fixedly connected with a corrugated pipe (13), the lower end of the pipe body of the corrugated pipe (13) is fixedly connected with a fixing plate (12), the inner top surface of the mounting groove (11) is fixedly connected with a plurality of electric push rods (14), and the upper end of the mounting groove (11) is provided with a conveying cavity (15);
install cavity (9) have been seted up to one side of the inside upper end of work bucket (1), the interior bottom surface of installation cavity (9) is provided with aspirator pump (10), detaining cavity (8) have been seted up at the middle part of the inside upper end of work bucket (1), the upper end of detaining cavity (8) is provided with outlet duct (5), the lower extreme of outlet duct (5) runs through the inside of work bucket (1) to detaining cavity (8) and is provided with third solenoid valve (20), one side that installation cavity (9) was kept away from to the inside upper end of work bucket (1) is provided with collecting vat (6), the inside of collecting vat (6) is provided with trachea (19), the pipe shaft of trachea (19) is provided with two first solenoid valves (16), the upper end of collecting vat (6) is provided with connecting pipe (17).
2. A coalbed methane well wellhead sampling device as defined in claim 1 wherein: the input end of the suction pump (10) is in through connection with the conveying cavity (15), and the output end of the suction pump (10) penetrates through the mounting cavity (9) and is in through connection with the detention cavity (8).
3. A coalbed methane well wellhead sampling device as defined in claim 1 wherein: one side of the connecting pipe (17) close to the detention cavity (8) penetrates through the working barrel (1) to the interior of the detention cavity (8) and is provided with a second electromagnetic valve (18), and one end of the connecting pipe (17) away from the second electromagnetic valve (18) penetrates through the working barrel (1) to the interior of the collecting tank (6) and is in through connection with the air pipe (19).
4. A coalbed methane well wellhead sampling device as defined in claim 1 wherein: the upper ends of the outer walls of the two sides of the working barrel (1) are fixedly connected with handles (4).
5. A coalbed methane well wellhead sampling device as defined in claim 1 wherein: one side in the front end of the collecting tank (6) is rotatably connected with a movable door (7).
6. A coalbed methane well wellhead sampling device as defined in claim 1 wherein: the conveying cavity (15) is connected with the corrugated pipe (13) in a penetrating way.
7. A coalbed methane well wellhead sampling device as defined in claim 1 wherein: the output end of the electric push rod (14) is fixedly connected with the upper surface of the fixed plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320623640.2U CN219412569U (en) | 2023-03-27 | 2023-03-27 | Coal bed gas well wellhead sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320623640.2U CN219412569U (en) | 2023-03-27 | 2023-03-27 | Coal bed gas well wellhead sampling device |
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| Publication Number | Publication Date |
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| CN219412569U true CN219412569U (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320623640.2U Active CN219412569U (en) | 2023-03-27 | 2023-03-27 | Coal bed gas well wellhead sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117109976A (en) * | 2023-10-24 | 2023-11-24 | 湖北省地质调查院 | Shale gas is sampling device for geological exploration |
-
2023
- 2023-03-27 CN CN202320623640.2U patent/CN219412569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117109976A (en) * | 2023-10-24 | 2023-11-24 | 湖北省地质调查院 | Shale gas is sampling device for geological exploration |
| CN117109976B (en) * | 2023-10-24 | 2024-01-12 | 湖北省地质调查院 | Shale gas is sampling device for geological exploration |
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