CN219830704U - Coalbed methane content measuring device - Google Patents
Coalbed methane content measuring device Download PDFInfo
- Publication number
- CN219830704U CN219830704U CN202321292138.4U CN202321292138U CN219830704U CN 219830704 U CN219830704 U CN 219830704U CN 202321292138 U CN202321292138 U CN 202321292138U CN 219830704 U CN219830704 U CN 219830704U
- Authority
- CN
- China
- Prior art keywords
- tank body
- fixedly connected
- bed gas
- coal bed
- coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 32
- 238000003756 stirring Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 7
- 239000003245 coal Substances 0.000 abstract description 70
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000003795 desorption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a coal bed gas content measuring device which comprises a tank body, a feed inlet sealing cover, a screw thread is connected to the outer surface of the top of the tank body, a bolt on the feed inlet sealing cover is unscrewed to open the feed inlet sealing cover, a measured coal sample is placed in the tank body, the bolt on the feed inlet sealing cover is screwed, a pressure relief valve and a sealing valve are screwed, a numerical value is read and recorded at the moment, a first motor power supply is turned on, a first motor output shaft drives a first gear to rotate, a stirring sheet also rotates, coal bed gas in the coal sample can fully escape through rotating the stirring sheet, incomplete escape of the coal bed gas caused by accumulation of the coal sample is avoided, a second motor power supply is turned on, a heat conducting wire starts to generate heat, the coal sample is heated through the heat conducting wire, the relation between coal bed gas escape and the temperature of the coal sample is conveniently observed, meanwhile, the escape of the coal bed gas is more complete, and incomplete escape of the coal bed gas caused by insufficient temperature of an inner cavity is avoided.
Description
Technical Field
The utility model relates to the technical field of coal bed gas content measurement, in particular to a coal bed gas content measurement device.
Background
The content of the coal bed gas refers to the gas content in the unit mass or unit volume of coal under natural conditions, and the content volume of the coal bed gas needs to be detected in the exploitation process of the coal mine and the coal bed gas.
In the prior art, as shown in China publication No. CN209387449U, the utility model belongs to the technical field of coal gas content measurement, and aims to solve the problems that a measuring instrument needs to be moved frequently when the content of coal bed gas desorption gas is measured, and the measuring instrument is inconvenient to move and glass instrument is easy to break when coring is measured on site. The device can effectively prevent the measuring cylinder from being broken when carrying out on-site coring measurement desorption gas, and is convenient to move and brake.
Although the scheme has the advantages, the scheme has the disadvantages that the stacking of the coal sample to be detected easily causes the insufficient contact surface between the coal sample and the air, so that the coal bed gas in the coal sample is not completely escaped, meanwhile, a device for heating the coal sample is not arranged, the influence of the comparison temperature on the coal bed gas in the coal sample is inconvenient, the coal bed gas in the coal sample cannot completely escape, the measurement result is inaccurate, the air pressure detection device is not arranged in the coal sample storage device, whether the air tightness of the device is good or not can not be detected, the risk of leakage of the coal bed gas in the device cannot be eliminated, the personal safety threat to staff is caused, and the result obtained by the measurement device is easy to error.
Disclosure of Invention
The utility model aims to provide a coal bed gas content measuring device, which is characterized in that a stirring shaft is driven by a motor to rotate, a stirring sheet rotates to stir a coal sample in the measuring process, the effect of increasing the contact surface of the coal sample and air and enabling the coal bed gas to escape more completely is achieved, the coal sample is heated by arranging a heat conducting structure to accelerate the escape of the coal bed gas, the relation between the coal bed gas escape and the temperature of the coal sample is convenient to compare, and the air tightness of the measuring device is achieved by arranging an air pressure measuring device in an inner cavity, so that danger can be timely found out when the coal bed gas leaks, and the measuring result is more accurate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a coalbed methane content measurement device, comprising:
a tank body;
the feeding port sealing cover is in threaded connection with the outer surface of the top of the tank body;
the stirring shaft is movably connected to the inner surface of the bottom of the tank body, and the outer surface of the stirring shaft is fixedly connected with a stirring sheet;
the second gear is fixedly connected to the outer surface of the bottom of the stirring shaft, and gear teeth of the second gear are meshed with the first gear;
the first motor is fixedly arranged on the outer surface of the bottom of the tank body, and an output shaft of the first motor is fixedly connected with the center of the bottom of the first gear;
a second motor fixedly connected to the outer surface of the right side of the tank body
The heat conducting wire is fixedly arranged on the inner surface of the bottom of the tank body and fixedly connected with the output end of the second motor;
the pressure release valve is in threaded connection with the outer surface of the top of the tank body close to the right side.
Preferably, the outer surface on the right side of the tank body is fixedly provided with a barometer, and the barometer is communicated with the inner cavity of the tank body through a pipeline.
Preferably, the outer surface of the right side of the tank body is fixedly connected with an air pump.
Preferably, an exhaust pipe is fixedly connected to the outer surface of the top of the air pump, and the exhaust pipe is communicated with the inner cavity of the tank body.
Preferably, the surface fixedly connected with breather pipe on jar body right side, the right-hand member fixedly connected with of breather pipe measures the jar, the internal surface fixedly connected with measurement pipe at measurement jar top.
Preferably, the inner surface of the bottom of the measuring tank is provided with a metering liquid, and the outer surface of the top of the measuring tank is fixedly provided with a sealing valve.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. unscrewing the bolt on the feed inlet closing cap opens the feed inlet closing cap, put into jar internal portion with the survey coal sample, screw the bolt on the feed inlet closing cap, screw relief valve and sealing valve, keep the inside seal of device, read the numerical value and record, open first motor power, first motor output shaft drives first gear rotation, the second gear with first gear engagement also takes place to rotate, the stirring axle is driven to the second gear, the stirring piece also takes place to rotate, through rotating the stirring coal sample, can let the inside coalbed gas of coal sample fully escape, avoid causing the coalbed gas to escape incompletely because of the coal sample is piled up, open the second motor power, the second motor passes through the output and is connected with the heat conduction silk, the heat conduction silk begins to generate heat, through the heat conduction silk heating coal sample, the staff of being convenient for observes the relation of coalbed gas escape and coal sample temperature, let the coal bed gas's in the coal sample escape more complete simultaneously, avoid causing the coal bed gas to escape incomplete because of the inner chamber temperature is not enough.
2. When the coal bed gas content measuring device is used, the feed inlet is covered, the pressure relief valve is screwed, the sealing inside the device is kept, the power supply of the air pump is turned on, the air pump pumps air in the inner cavity of the tank body to a compressed state through the air pump pipe, the air pressure value displayed on the barometer is continuously observed, if the barometer changes, the air tightness of the device is not good, maintenance is required, the effect of the air tightness of the detecting device is achieved, after the coal bed gas escapes, the measuring liquid in the measuring tank is moved to the measuring tank through the vent pipe from the inner cavity of the tank body, the measuring liquid in the measuring tank is pushed upwards along the measuring pipe, the reading of the measuring pipe is changed, the coal bed gas in the inner cavity of the tank body escapes completely after the air pressure count value to be read is unchanged, the reading of the measuring pipe is stopped changing at the moment, the value of the measuring pipe is read, the volume of the escaping coal bed gas is obtained after the value is compared, and the measurement of the coal bed gas content is completed.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a coalbed methane content measuring device provided by the utility model;
FIG. 2 is a schematic diagram of a front view structure of a coalbed methane content measuring device provided by the utility model;
FIG. 3 is a schematic perspective view of a coalbed methane content measuring device provided by the utility model;
fig. 4 is a schematic rear view of a coalbed methane content measuring device according to the present utility model;
fig. 5 is an enlarged schematic perspective view of a position a in fig. 1 of a coalbed methane content measuring device provided by the utility model.
Legend description:
1. a tank body; 2. sealing the feed inlet; 3. a pressure release valve; 4. an air extracting pump; 5. an exhaust pipe; 6. a barometer; 7. stirring sheets; 8. a stirring shaft; 9. a vent pipe; 10. a measuring tank; 11. metering tube; 12. metering liquid; 13. a second gear; 14. a first gear; 15. a first motor; 16. a heat conducting wire; 17. a second motor; 18. and (3) sealing the valve.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Embodiment 1 as shown in fig. 1 to 5, the present utility model provides a coalbed methane content measurement device, including:
a tank 1;
the feed port sealing cover 2 is in threaded connection with the outer surface of the top of the tank body 1;
the stirring shaft 8 is movably connected to the inner surface of the bottom of the tank body 1, and the stirring blade 7 is fixedly connected to the outer surface of the stirring shaft 8;
the second gear 13 is fixedly connected to the outer surface of the bottom of the stirring shaft 8, and the first gear 14 is meshed with the gear teeth of the second gear 13;
the first motor 15 is fixedly arranged on the outer surface of the bottom of the tank body 1, and an output shaft of the first motor 15 is fixedly connected with the center of the bottom of the first gear 14;
a second motor 17 fixedly connected to the outer surface of the right side of the tank body 1
The heat conducting wire 16 is fixedly arranged on the inner surface of the bottom of the tank body 1, and the heat conducting wire 16 is fixedly connected with the output end of the second motor 17;
the pressure release valve 3 is connected with the outer surface of the right side of the top of the tank body 1 in a threaded manner.
Further, as shown in fig. 1-5, the outer surface of the right side of the tank body 1 is fixedly provided with a barometer 6, and the barometer 6 is communicated with the inner cavity of the tank body 1 through a pipeline.
Further, as shown in fig. 1-5, the outer surface of the right side of the tank body 1 is fixedly connected with an air pump 4.
Further, as shown in fig. 1-5, an exhaust pipe 5 is fixedly connected to the outer surface of the top of the air pump 4, and the exhaust pipe 5 is communicated with the inner cavity of the tank 1.
Further, as shown in fig. 1-5, the outer surface of the right side of the tank body 1 is fixedly connected with a vent pipe 9, the right end of the vent pipe 9 is fixedly connected with a measuring tank 10, and the inner surface of the top of the measuring tank 10 is fixedly connected with a metering pipe 11.
Further, as shown in fig. 1 to 5, the inner surface of the bottom of the measuring tank 10 is provided with the measuring liquid 12, and the outer surface of the top of the measuring tank 10 is fixedly provided with the sealing valve 18.
Working principle: when the coalbed methane content measuring device is used, the feed port sealing cover 2, the pressure relief valve 3 and the sealing valve 18 are screwed, the sealing in the device is kept, the power supply of the air pump 4 is turned on, the air pump 4 pumps the air in the inner cavity of the tank body 1 to a compressed state through the air exhaust pipe 5, the air pressure value displayed on the barometer 6 is continuously observed, if the barometer 6 changes, the air tightness of the device is indicated to be poor, maintenance is needed, the effect of detecting the air tightness of the device is achieved, after the air tightness of the device is guaranteed, the feed port sealing cover 2 is opened by unscrewing the bolts on the feed port sealing cover 2, the measuring coal sample is placed in the tank body 1, the bolts on the feed port sealing cover 2 are screwed, the pressure relief valve 3 and the sealing valve 18 are screwed, the sealing in the device is kept, the value of the sealing valve 18 is read and recorded at the moment, the power supply of the first motor 15 is turned on, the output shaft of the first motor 15 drives the first gear 14 to rotate, the second gear 13 meshed with the first gear 14 also rotates, the second gear 13 drives the stirring shaft 8 to rotate, the stirring sheet 7 also rotates, coal bed gas in the coal sample can be fully escaped through rotating and stirring the coal sample, incomplete escape of the coal bed gas caused by accumulation of the coal sample is avoided, the power supply of the second motor 17 is turned on, the second motor 17 is connected with the heat conducting wire 16 through the output end, the heat conducting wire 16 starts to generate heat, the coal sample is heated through the heat conducting wire 16, workers can observe the relation between the escape of the coal bed gas and the temperature of the coal sample conveniently, meanwhile, the escape of the coal bed gas in the coal sample is more complete, incomplete escape of the coal bed gas caused by insufficient temperature of an inner cavity is avoided, after the coal bed gas escapes, the coal bed gas is transferred into the measuring tank 10 from the inner cavity of the tank 1 through the vent pipe 9, the measuring liquid 12 in the measuring tank 10 is pushed upwards along the measuring pipe 11, the reading of the measuring pipe 11 is changed, after the value of the barometer 6 is unchanged, the coal bed gas in the inner cavity of the tank body 1 is completely escaped, at the moment, the reading of the metering tube 11 is stopped changing, the value of the metering tube 11 is read, the change of the values before and after the reading is compared, the volume of the escaped coal bed gas is obtained, and the measurement of the content of the coal bed gas is completed.
The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical disclosure.
Claims (6)
1. A coalbed methane content measurement device, comprising:
a tank body (1);
the feed inlet sealing cover (2) is in threaded connection with the outer surface of the top of the tank body (1);
the stirring shaft (8) is movably connected to the inner surface of the bottom of the tank body (1), and the stirring blade (7) is fixedly connected to the outer surface of the stirring shaft (8);
the second gear (13) is fixedly connected to the outer surface of the bottom of the stirring shaft (8), and the first gear (14) is meshed with the gear teeth of the second gear (13);
the first motor (15) is fixedly arranged on the outer surface of the bottom of the tank body (1), and an output shaft of the first motor (15) is fixedly connected with the center of the bottom of the first gear (14);
a second motor (17) fixedly connected to the outer surface of the right side of the tank body (1)
The heat conducting wire (16) is fixedly arranged on the inner surface of the bottom of the tank body (1), and the heat conducting wire (16) is fixedly connected with the output end of the second motor (17);
the pressure release valve (3) is in threaded connection with the outer surface of the top of the tank body (1) close to the right side.
2. The coalbed methane content measurement device according to claim 1, wherein: the outer surface of the right side of the tank body (1) is fixedly provided with a barometer (6), and the barometer (6) is communicated with the inner cavity of the tank body (1) through a pipeline.
3. The coalbed methane content measurement device according to claim 1, wherein: the outer surface of the right side of the tank body (1) is fixedly connected with an air extracting pump (4).
4. A coalbed methane content determination apparatus as defined in claim 3, wherein: the outer surface of aspiration pump (4) top fixedly connected with exhaust tube (5), exhaust tube (5) with the inner chamber of jar body (1) link up.
5. The coalbed methane content measurement device according to claim 1, wherein: the automatic measuring device is characterized in that the outer surface of the right side of the tank body (1) is fixedly connected with a vent pipe (9), the right end of the vent pipe (9) is fixedly connected with a measuring tank (10), and the inner surface of the top of the measuring tank (10) is fixedly connected with a measuring pipe (11).
6. The coalbed methane content measurement device according to claim 5, wherein: the inner surface of the bottom of the measuring tank (10) is provided with a metering liquid (12), and the outer surface of the top of the measuring tank (10) is fixedly provided with a sealing valve (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321292138.4U CN219830704U (en) | 2023-05-25 | 2023-05-25 | Coalbed methane content measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321292138.4U CN219830704U (en) | 2023-05-25 | 2023-05-25 | Coalbed methane content measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219830704U true CN219830704U (en) | 2023-10-13 |
Family
ID=88251822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321292138.4U Active CN219830704U (en) | 2023-05-25 | 2023-05-25 | Coalbed methane content measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219830704U (en) |
-
2023
- 2023-05-25 CN CN202321292138.4U patent/CN219830704U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207614799U (en) | It is a kind of can online sample introduction sampling high-temperature high-pressure reaction kettle | |
| CN2909239Y (en) | Evaluation test device for hydrate inhibitor | |
| CN207351844U (en) | The controllable gas adsorption desorption experimental apparatus of coal sample moisture | |
| CN219830704U (en) | Coalbed methane content measuring device | |
| CN111215002B (en) | High-temperature high-pressure supercritical carbon dioxide reaction kettle | |
| CN209836184U (en) | Hydraulic pressure promotes semi-automatization fermentation cylinder | |
| CN206020146U (en) | Shale gas gassiness tester | |
| CN208564538U (en) | High-pressure gas well wellbore effusion face automated watch-keeping facility | |
| CN106370579A (en) | Gas permeability determinator | |
| CN206258164U (en) | Dipstick with liquid level gauge | |
| CN213037745U (en) | Full-automatic fermentation capacity tester | |
| CN212838282U (en) | Device for stabilizing pressure of pump head | |
| CN210950820U (en) | Leakage protection device for liquefied petroleum gas burner | |
| CN111272499B (en) | Environment measuring sampling device | |
| CN204286940U (en) | A kind of gas cylinder hydraulic pressure bursting test device with speed governing and continuous water supplement function | |
| CN202420779U (en) | Lithium battery leakage detection device | |
| CN214663757U (en) | Oil gas leakage safety detection device | |
| CN212568563U (en) | Novel pressure regulating box for flat-plate heat conduction instrument | |
| CN208442575U (en) | A kind of steel cylinder valve seat facing attachment | |
| CN215884854U (en) | Chemical material storage metering device with heat preservation function | |
| CN215728119U (en) | Energy-saving natural gas detection device | |
| CN209707043U (en) | Gas pressure regulator, governor automatic detecting table | |
| CN205209703U (en) | Vacuum chamber is examined to car fuel distributing pipe helium | |
| CN212341139U (en) | Integrated harmful gas detection device | |
| CN215263521U (en) | Concrete carbonization experimental facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |