CN209802905U - Full-automatic gas and shale gas adsorption constant tester - Google Patents
Full-automatic gas and shale gas adsorption constant tester Download PDFInfo
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- CN209802905U CN209802905U CN201920664158.7U CN201920664158U CN209802905U CN 209802905 U CN209802905 U CN 209802905U CN 201920664158 U CN201920664158 U CN 201920664158U CN 209802905 U CN209802905 U CN 209802905U
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Abstract
A full-automatic gas and shale gas adsorption constant tester comprises a shell, wherein a reference cavity, a water tank and a vacuum pump are arranged in the shell, an air inlet pipe, an air outlet pipe and an air outlet pipe are sequentially communicated with the reference cavity, a sample storage device is arranged on the shell and comprises an outer sample tank and an inner sample tank, the outer sample tank is fixedly connected with the shell, the bottom of the outer sample tank is communicated with the air outlet pipe, the inner sample tank is arranged in the outer sample tank, the top of the inner sample tank is open, the top of the outer sample tank is detachably matched with an outer cover, and an interval is formed between the top of the inner sample tank and the outer cover; the air inlet of the vacuum pump is communicated with the air outlet pipe; the water tank is internally provided with water and a heating device for heating the water, and the lower part of the outer sample tank is arranged in the water tank and is immersed in the water. The utility model discloses the sample that awaits measuring tests in sample jar including, interior sample jar conveniently takes and clears up, carries out water bath heating to sample storage device in the testing process, and sample storage device is heated evenly.
Description
Technical Field
The utility model relates to a gas and shale gas adsorption constant apparatus's technical field, concretely relates to full-automatic gas and shale gas adsorption constant apparatus.
Background
The methane adsorption constant of coal is widely used as an identification index of coal mine coal and gas outburst, and is an important judgment basis for carrying out identification of indexes of mine coal and gas outburst risk by various levels of coal mine safety production detection and inspection organizations, mine laboratories, mine bureaus, mine safety instrument metering stations in various regions and metering technical organizations. At present when the adsorption constant of test sample, generally directly place the sample and test in the test intracavity, and the relative equipment of test chamber is fixed to be set up, it washs to finish dismantling it at every test, it is very inconvenient, only have a test chamber on an equipment, can only test the true density or apparent density of sample at every turn, efficiency of software testing is lower, in addition in the test process, need degasify and methane adsorption to the sample, when degasifying, need make the test chamber be in 60 ℃, so need design a full-automatic gas and shale gas adsorption constant apparatus, can conveniently clear up the test chamber, reduce the dismantlement and the installation of test chamber, can make the sample again in the test process, the test chamber is heated evenly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a full-automatic gas and shale gas adsorption constant apparatus, the sample that awaits measuring and outer sample tank separation, the sample that awaits measuring tests in sample tank including, avoids in the sample gets into outer sample tank, reduces the work of carrying out the clearance to outer sample tank, and interior sample tank conveniently takes and clears up, carries out water bath heating to sample storage device in the testing process, and sample storage device is heated evenly.
The utility model discloses the technical scheme who takes does:
a full-automatic gas and shale gas adsorption constant tester comprises a shell, wherein a reference cavity, a water tank and a vacuum pump are arranged in the shell, an air inlet pipe, an air outlet pipe and an air outlet pipe are sequentially communicated with the reference cavity, a sample storage device for detecting the adsorption constant of a sample to be tested is arranged on the shell, the number of the sample storage devices is at least two, each sample storage device comprises an outer sample tank and an inner sample tank, the outer sample tank is fixedly connected with the shell, the bottom of the outer sample tank is communicated with the air outlet pipe, the inner sample tank is arranged in the outer sample tank, the top of the inner sample tank is open, the sample to be tested is arranged in the inner sample tank, the outer cover is detachably matched with the top of the outer sample tank, and an interval is reserved between the top of the inner; the air inlet of the vacuum pump is communicated with the air outlet pipe; the water tank is internally provided with water and a heating device for heating the water, and the lower part of the outer sample tank is arranged in the water tank and is immersed in the water.
The controller is arranged in the shell, an air inlet of the vacuum pump is communicated with the air outlet pipe through a pipeline, the electromagnetic valves are arranged on the air inlet pipe, the air outlet pipe and the pipeline, the pressure sensors are arranged on the reference cavity and the sample storage device, and the pressure sensors, the electromagnetic valves and the vacuum pump are respectively electrically connected with the controller.
a temperature sensor is arranged in the water tank and is electrically connected with the controller.
The heating device is an electric heating tube which is electrically connected with the controller.
The water tank is provided with a first circulating water port and a second circulating water port which are communicated through a circulating water pipe, and the circulating water pipe is connected with a heat dissipation pump.
An inner cover is arranged between the top of the outer sample tank and the outer cover, an annular groove is arranged at the bottom of the inner cover, a sealing ring is arranged in the annular groove, the sealing ring is in abutting contact with the top of the outer sample tank, and the top surface of the inner cover is in abutting contact with the bottom surface of the outer cover; the middle part of the outer cover is provided with a positioning blind hole, and the top surface of the inner cover is provided with a positioning tip matched with the positioning blind hole.
An outer sample tank air inlet is formed in the bottom of the outer sample tank, and a buffer hole is formed in the position, opposite to the outer sample tank air inlet, of the inner sample tank; the buffer hole is a tapered blind hole.
A sliding groove is arranged on the inner wall of the shell, and a supporting plate is connected on the sliding groove in a sliding manner; the support plate comprises an upper support plate and a lower support plate, the vacuum pump and the controller are fixed on the upper support plate, the reference cavity is fixed on the lower support plate, and the water tank is arranged below the lower support plate; a slideway is fixed on the lower supporting plate, and the bottom of the controller is connected with the slideway in a sliding way.
The shell is provided with a switch key, an indicator light and a label for indicating the sample label, and the switch key and the indicator light are respectively electrically connected with the controller.
The top of the shell is provided with an exhaust port, and an exhaust fan is arranged at the exhaust port.
The utility model discloses set up the lower part of outer sample jar in the water tank and submergence in heat-conducting medium, carry out water bath heating to it, make sample storage device be heated evenly, place the sample to be measured in the inner sample jar, gaseous bottom from outer sample jar gets into outer sample jar, then from the clearance between inner sample jar and the inner cup get into inner sample jar, avoid the sample to get into outer sample jar, reduce the work of clearing up outer sample jar, inner sample jar is convenient for take and clear up, be equipped with two at least sample storage devices on the shell, can survey the adsorption constant of multiunit sample, take the mean value of a plurality of test results, increase the reference value of test result; the air inlet pipe, the air outlet pipe, the exhaust pipe and the pipeline are all provided with electromagnetic valves, the electromagnetic valves are used for controlling the on-off of the air inlet pipe, the air outlet pipe, the exhaust pipe and the pipeline, the reference cavity and the sample storage device are both provided with pressure sensors, the pressure sensors are used for detecting the pressure values of the reference cavity and the sample storage device, the pressure sensors, the electromagnetic valves and the vacuum pump are respectively and electrically connected with a controller, and the controller controls the work of the electromagnetic valves and the vacuum pump, so that the automation degree and the test accuracy of the equipment are improved, and the; the temperature sensor is used for detecting water temperature; the heat dissipation pump is used for quickly cooling the water tank so as to facilitate methane adsorption; the buffer hole plays a buffer role, and the gas is prevented from directly impacting the bottom of the inner sample tank after entering the outer sample tank, so that the inner sample tank is prevented from shaking up and down; the inner cover and the sealing ring enable the outer cover and the outer sample tank to be tightly connected; the positioning blind hole is matched with the positioning center, so that the outer cover can be conveniently and quickly assembled on the outer sample tank, and the assembly is ensured to be in place; the supporting plate is connected with the shell in a sliding way, so that the installation is convenient; the vacuum pump and the controller are fixed on the upper supporting plate, the reference cavity is fixed on the lower supporting plate, the water tank is arranged below the lower supporting plate to realize the separation of electricity, gas and water, a slide way is fixed on the lower supporting plate, and the bottom of the controller is in sliding connection with the slide way, so that the position of the controller can be conveniently adjusted; the indicator light and the label play a role in indication.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear cross-sectional view of FIG. 1;
Fig. 3 is a connection block diagram of the present invention;
FIG. 4 is a schematic view of a sample storage device;
FIG. 5 is a cross-sectional view of FIG. 4;
fig. 6 is a top view of fig. 5.
Detailed Description
As shown in fig. 1-6, a full-automatic gas and shale gas adsorption constant tester comprises a housing 1, a reference cavity 7, a water tank 17 and a vacuum pump 14 are arranged in the housing 1, an air inlet pipe 15, an air outlet pipe 16 and an air outlet pipe 8 are sequentially communicated with the reference cavity 7, at least two sample storage devices 2 for detecting the adsorption constant of a sample to be tested are arranged on the housing 1, the number of the sample storage devices 2 can be measured, the adsorption constants of a plurality of groups of samples can be measured, the average value of a plurality of test results can be obtained, the reference value of the test result can be increased, each sample storage device 2 comprises an outer sample tank 20 and an inner sample tank 24, the outer sample tank 20 is fixedly connected with the housing 1, the bottom of the outer sample tank 20 is communicated with the air outlet pipe 16, each sample storage device 2 corresponds to one air outlet pipe 16, the inner sample tank 24 is arranged in the outer sample tank 20, the top of, a sample to be detected is arranged in the inner sample tank 24, the outer cover 21 is detachably matched with the top of the outer sample tank 20, and a gap is formed between the top of the inner sample tank 24 and the outer cover 21; the air inlet of the vacuum pump 14 is communicated with an air outlet pipe 16; water and a heating means for heating the water are provided in the water tank 17, and the lower portion of the outer sample tank 20 is disposed in the water tank 17 and submerged in the water.
The controller 11 is arranged in the shell 1, the controller 11 can adopt a German Siemens PLCmark 200, an air inlet of the vacuum pump 14 is communicated with an air outlet pipe 16 through a pipeline, electromagnetic valves are respectively arranged on the air inlet pipe 15, the air outlet pipe 16, the air outlet pipe 8 and the pipeline, the electromagnetic valves arranged on the air inlet pipe 15, the air outlet pipe 16, the air outlet pipe 8 and the pipeline are sequentially marked as Ka, Kb, Kc and Kd, the electromagnetic valves can adopt explosion-proof electromagnetic valves of Chongqing Ming electromagnetic valves Limited company, pressure sensors are respectively arranged on the reference cavity 7 and the sample storage device 2, the pressure sensors arranged on the reference cavity 7 and the sample storage device 2 are sequentially marked as Pa and Pb, the pressure sensors can adopt pressure sensors of American MEAS, and the pressure sensors, the electromagnetic valves and the vacuum pump 14 are respectively and electrically connected with the.
A temperature sensor is provided in the water tank 17, and the temperature sensor is electrically connected to the controller 11.
The shell 1 is provided with a water inlet, the water inlet is covered with a cover 3, and the water tank 17 is provided with a heat dissipation port.
The heating device is an electric heating tube, the electric heating tube is electrically connected with the controller 11, a switch can be arranged on a connecting wire of the electric heating tube and the power supply, the switch is electrically connected with the controller 11, and the controller 11 controls the work of the electric heating tube by controlling the on and off of the switch.
the water tank 17 is provided with a first circulating water port and a second circulating water port which are communicated through a circulating water pipe, and the circulating water pipe is connected with a heat dissipation pump.
An inner cover 26 is arranged between the top of the outer sample tank 20 and the outer cover 21, an annular groove is arranged at the bottom of the inner cover 26, a sealing ring 25 is arranged in the annular groove, the sealing ring 25 is tightly contacted with the top of the outer sample tank 20, and the top surface of the inner cover 26 is tightly contacted with the bottom surface of the outer cover 21; the middle part of the outer cover 21 is provided with a positioning blind hole, and the top surface of the inner cover 26 is provided with a positioning centre 27 matched with the positioning blind hole.
An outer sample tank air inlet 22 is arranged at the bottom of the outer sample tank 20, and a buffer hole 23 is arranged at the position, opposite to the outer sample tank air inlet 22, of the inner sample tank 24; the buffer hole 23 is a tapered blind hole.
A sliding chute 9 is arranged on the inner wall of the shell 1, and a supporting plate is connected on the sliding chute 9 in a sliding way; the support plate comprises an upper support plate 10 and a lower support plate 6, a vacuum pump 14 and a controller 11 are fixed on the upper support plate 10, a reference cavity 7 is fixed on the lower support plate 6, and a water tank 17 is arranged below the lower support plate 6; a slideway 12 is fixed on the lower supporting plate 6, and the bottom of the controller 11 is connected with the slideway 12 in a sliding way.
The shell 1 is provided with a switch key 4, an indicator lamp 5 and a label for indicating the sample label, and the switch key 4 and the indicator lamp 5 are respectively electrically connected with the controller 11.
An exhaust port is arranged at the top of the shell 1, and an exhaust fan 13 is arranged at the exhaust port.
Before use, the air inlet end of an air inlet pipe 15 of a reference cavity 7 is connected to an air bottle 18, methane is stored in the air bottle 18, or a methane generating device is directly connected, when in use, a sample to be tested is loaded in an inner sample tank 24, the inner sample tank 24 is placed in an outer sample tank 20, an inner cover 26 is covered, an outer cover 21 is covered, the inner cover is screwed, a power supply is connected, a power supply button is started, a controller 11 controls an electric heating pipe to be powered on, the electric heating pipe starts to work, the electric heating pipe heats water in a water tank 17, when the water temperature reaches a first temperature value set by the controller 11, the controller 11 controls the electric heating pipe to be powered off, the electric heating pipe stops working, the controller 11 controls an electromagnetic valve Kd to be opened and controls a vacuum pump 14 to work, the vacuum pump 14 pumps air in the device, thereby degassing treatment is carried out on the device, and after degassing is finished, the controller 11 controls the electromagnetic valve K, the degassing is completed.
The controller 11 controls the heat-radiating pump to work to radiate heat of the water tank 17, when the temperature value in the water tank 17 reaches a second temperature value set by the controller 11, the controller 11 controls the heat-radiating pump to stop working, the controller 11 controls the electromagnetic valve Ka on the air inlet pipe 15 of the reference cavity 7 to be opened, methane in the gas cylinder 18 enters the reference cavity 7, and when the temperature value reaches a value set by the pressure sensor Pa on the reference cavity 7, the controller 11 controls the electromagnetic valve Ka to be disconnected to stop air inlet; the controller 11 controls the electromagnetic valve Kb corresponding to the first sample storage device 2 to open, the methane in the reference cavity 7 enters the first sample storage device 2, when the value set by the pressure sensor Pb of the first sample storage device 2 is reached, the controller 11 controls the electromagnetic valve Kb corresponding to the first sample storage device 2 to open, then the controller 11 controls the electromagnetic valve Ka on the air inlet pipe 15 of the reference cavity 7 to open, the methane in the air bottle 18 enters the reference cavity 7 to supplement air for the reference cavity 7, so that the pressure in the reference cavity 7 reaches the value set by the pressure sensor Pa, the controller 11 controls the electromagnetic valve Ka to open, the controller 11 controls the electromagnetic valve Kb corresponding to the second sample storage device 2 to open, the methane in the reference cavity 7 enters the second sample storage device 2, when the value set by the pressure sensor Pb of the second sample storage device 2 is reached, the controller 11 controls the solenoid valves Kb corresponding to the first sample storage unit 2 to be turned off, and when there are a plurality of sample storage units, the control is performed in sequence in the above-described manner.
When the methane adsorption time is reached, the pressure sensor Pa of the first sample storage device 2 transmits the methane adsorption time to the controller 11, the controller 11 calculates the difference between the pressure of the first sample storage device 2 before methane adsorption and the pressure after methane adsorption, and then calculates the adsorption constant according to the standard of the method for measuring the methane adsorption capacity of MTT/T7521997 coal (high pressure capacity method). The second sample storage device 2 obtains the adsorption constant in the same manner, and the controller 11 averages the adsorption constant of the first sample storage device 2 with the adsorption constant of the second sample storage device 2, thereby increasing the reference value of the test result. The first temperature value, the second temperature value, the degassing time, the methane adsorption time and a related calculation formula refer to the standard of a methane adsorption internal measurement method (high pressure capacity method) of MTT/T7521997 coal.
After the test is completed, the controller 11 controls the electromagnetic valve Kb and the controller 11Kc to open, and exhausts the device.
the above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (10)
1. The utility model provides a full-automatic gas and shale gas adsorption constant apparatus, includes the shell, its characterized in that: a reference cavity, a water tank and a vacuum pump are arranged in the shell, the reference cavity is sequentially communicated with an air inlet pipe, an air outlet pipe and an air exhaust pipe, the shell is provided with sample storage devices for detecting the adsorption constant of a sample to be detected, the number of the sample storage devices is at least two, each sample storage device comprises an outer sample tank and an inner sample tank, the outer sample tank is fixedly connected with the shell, the bottom of the outer sample tank is communicated with the air outlet pipe, the inner sample tank is arranged in the outer sample tank, the top of the inner sample tank is open, the sample to be detected is arranged in the inner sample tank, the top of the outer sample tank is detachably matched with an outer cover, and an interval is formed between the top of the inner; the air inlet of the vacuum pump is communicated with the air outlet pipe; the water tank is internally provided with water and a heating device for heating the water, and the lower part of the outer sample tank is arranged in the water tank and is immersed in the water.
2. The fully automatic gas and shale gas sorption constant determinator of claim 1, wherein: the controller is arranged in the shell, an air inlet of the vacuum pump is communicated with the air outlet pipe through a pipeline, the electromagnetic valves are arranged on the air inlet pipe, the air outlet pipe and the pipeline, the pressure sensors are arranged on the reference cavity and the sample storage device, and the pressure sensors, the electromagnetic valves and the vacuum pump are respectively electrically connected with the controller.
3. The fully automatic gas and shale gas sorption constant determinator of claim 2, wherein: a temperature sensor is arranged in the water tank and is electrically connected with the controller.
4. The fully automatic gas and shale gas sorption constant determinator of claim 2, wherein: the heating device is an electric heating tube which is electrically connected with the controller.
5. The fully automatic gas and shale gas sorption constant determinator of claim 1, wherein: the water tank is provided with a first circulating water port and a second circulating water port which are communicated through a circulating water pipe, and the circulating water pipe is connected with a heat dissipation pump.
6. The fully automatic gas and shale gas sorption constant determinator of claim 1, wherein: an inner cover is arranged between the top of the outer sample tank and the outer cover, an annular groove is arranged at the bottom of the inner cover, a sealing ring is arranged in the annular groove, the sealing ring is in abutting contact with the top of the outer sample tank, and the top surface of the inner cover is in abutting contact with the bottom surface of the outer cover; the middle part of the outer cover is provided with a positioning blind hole, and the top surface of the inner cover is provided with a positioning tip matched with the positioning blind hole.
7. The fully automatic gas and shale gas sorption constant determinator of claim 1, wherein: an outer sample tank air inlet is formed in the bottom of the outer sample tank, and a buffer hole is formed in the position, opposite to the outer sample tank air inlet, of the inner sample tank; the buffer hole is a tapered blind hole.
8. The fully automatic gas and shale gas sorption constant determinator of claim 1, wherein: a sliding groove is arranged on the inner wall of the shell, and a supporting plate is connected on the sliding groove in a sliding manner; the support plate comprises an upper support plate and a lower support plate, the vacuum pump and the controller are fixed on the upper support plate, the reference cavity is fixed on the lower support plate, and the water tank is arranged below the lower support plate; a slideway is fixed on the lower supporting plate, and the bottom of the controller is connected with the slideway in a sliding way.
9. The fully automatic gas and shale gas sorption constant determinator of claim 1, wherein: the shell is provided with a switch key, an indicator light and a label for indicating the sample label, and the switch key and the indicator light are respectively electrically connected with the controller.
10. the fully automatic gas and shale gas sorption constant determinator of claim 1, wherein: the top of the shell is provided with an exhaust port, and an exhaust fan is arranged at the exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920664158.7U CN209802905U (en) | 2019-05-10 | 2019-05-10 | Full-automatic gas and shale gas adsorption constant tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920664158.7U CN209802905U (en) | 2019-05-10 | 2019-05-10 | Full-automatic gas and shale gas adsorption constant tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802905U true CN209802905U (en) | 2019-12-17 |
Family
ID=68832261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920664158.7U Expired - Fee Related CN209802905U (en) | 2019-05-10 | 2019-05-10 | Full-automatic gas and shale gas adsorption constant tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802905U (en) |
-
2019
- 2019-05-10 CN CN201920664158.7U patent/CN209802905U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |