CN204944972U - Automatic change direct survey device of coal seam desorption gas content - Google Patents
Automatic change direct survey device of coal seam desorption gas content Download PDFInfo
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- CN204944972U CN204944972U CN201520736244.6U CN201520736244U CN204944972U CN 204944972 U CN204944972 U CN 204944972U CN 201520736244 U CN201520736244 U CN 201520736244U CN 204944972 U CN204944972 U CN 204944972U
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- 238000003795 desorption Methods 0.000 title claims abstract description 91
- 239000003245 coal Substances 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 47
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 23
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000005303 weighing Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 7
- 238000004880 explosion Methods 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000004047 hole gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model relates to an automatic coal seam desorbable gas content direct measurement device, which respectively realizes the measurement of desorbable gas content on the ground and under a coal mine through an automatic ground gas desorption system and an automatic underground gas desorption system; each subsystem adopts a drainage weighing method to determine the content of the desorbable gas; the automatic ground gas desorption system comprises an explosion-proof electronic balance, a gas collection barrel, a water inlet pipeline, an electromagnetic valve, a sensor and the like; the automatic underground gas desorption system comprises an explosion-proof electronic balance, a gas collection barrel, an air inlet pipeline, a water discharge pipeline, a sensor and the like; in the measuring process, the gas replaces the water in the gas collecting barrel, so that the mass of the water in the gas collecting barrel is changed, and the gas volume can be calculated through a reduced mass and density formula of the water; the pipelines in the ground device are controlled by electromagnetic valves, ground and underground data are automatically acquired by sensors and are collected and processed by a computer terminal of the ground device, and finally, a measurement result of the desorbable gas content with higher accuracy is obtained.
Description
Technical field
The utility model belongs to coal seam gas-bearing capacity determination techniques field, and relating to a kind of robotization coal seam can the direct determinator of desorbing mash gas content.
Background technology
Coal seam gas-bearing capacity is that reflection coal-bed gas composes one of important parameter depositing situation, is calculating coal-bed gas reserves, predicts [underground, carries out gas pumping design, evaluates the important evidence that coal and gas prominent is dangerous and gas control extraction is up to standard.Current gas bearing capacity generally adopts direct method to measure.Conventional can carry out the metering of gas volume by desorbing mash gas content Direct Determination many employings drainage, need the reading manually carrying out cylinder scale during mensuration, reading error is relatively large; Meanwhile, it is many that whole mensuration process need manually participates in link, operation relative complex; Ground gas desorption system is glassware, easily damages.
For the problems referred to above, needing to research and develop a kind of robotization can the direct determinator of desorbing mash gas content, can reduce and manually participate in link, avoid the generation of artificial human error, gather the data such as gas bearing capacity, pressure, temperature, time in mensuration process simultaneously automatically, and then improve the acquisition precision of data, determination efficiency and can the reliability of the final measurement result of desorbing mash gas content.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of robotization coal seam can the direct determinator of desorbing mash gas content, and this device is separately implemented at ground and underground coal mine by robotization ground desorption of mash gas system and robotization fire damp desorption system two subsystems can the mensuration of desorbing mash gas content; Each subsystem all adopts draining weight method to measure can desorbing mash gas content, in mensuration process, methane gas, by the water displacement in gas collection bucket, makes the quality of gas collection inner bucket water change, and can calculate gas volume by the quality of water that reduces and density formula; Mass metrology adopts explosion-proof electronic balance to realize; Meanwhile, pipeline all adopts solenoid control, and data gather automatically by sensor, is undertaken gathering and processing by terminal, finally draw accuracy higher can desorbing mash gas content measurement result.
For achieving the above object, the utility model provides following technical scheme:
A kind of robotization coal seam can the direct determinator of desorbing mash gas content, comprises robotization ground desorption of mash gas system and robotization fire damp desorption system two subsystems;
Described robotization ground desorption of mash gas system comprises explosion-proof electronic balance, gas collection bucket, inlet pipeline, discharge pipe line, air inlet pipeline, solenoid valve, hand valve, electric water pump, pressure transducer, temperature sensor, liquid level sensor, computer digital animation terminal, explosion-proof electrification system, alarm, supplies bucket and measuring cup; Described robotization fire damp desorption system comprises explosion-proof electronic balance, gas collection bucket, air inlet pipeline, discharge pipe line, pressure transducer and temperature sensor;
In ground gas desorption system, gas collection bucket is as the container of ground coal sample desorption of mash gas, be provided with hand valve, inlet pipeline, discharge pipe line, air inlet pipeline, pressure transducer, temperature sensor and liquid level sensor, wherein pressure transducer, temperature sensor and liquid level sensor are arranged in gas collection bucket upper surface, and it is inner to be communicated with gas collection bucket, gas collection bucket is fixed on bracket; Connect measuring cup by desorption process discharge pipe line, measuring cup is placed on explosion-proof electronic sky plane surface; Be connected with gas collection bucket by inlet pipeline, discharge pipe line, electric water pump, solenoid valve for bucket; Solenoid valve, electric water pump, pressure transducer, temperature sensor, liquid level sensor, alarm are connected with computer digital animation terminal by data line, and carry out data receiver, process, storage, display and control by computer digital animation terminal, whole system is powered by explosion-proof electrification system;
In fire damp desorption system, gas collection bucket, as the container of down-hole coal sample desorption of mash gas, it is furnished with bung, air inlet pipeline and discharge pipe line; Pressure transducer and temperature sensor are arranged on explosion-proof electronic balance side, realize the collection of environmental pressure and environment temperature.
Further, in the desorption of mash gas system of robotization ground, the volume of described gas collection bucket is 3L; In robotization fire damp desorption system, the volume of described gas collection bucket is 1.8L.
Further, in the desorption of mash gas system of robotization ground, gas collection bucket upper surface arranges 5 pipelines, and every bar pipeline all connects one group of hand valve and solenoid valve, and 5 pipelines connect air respectively, connect coal sample tank, connect comminutor, connect electric water pump, connection desorption process discharge pipe line; Gas collection bucket lowermost end side arrangement 1 discharge pipe line, pipeline connecting a manually-operated gate, after coal sample desorption process terminates, draining gas collection bucket internal residual water by opening manually-operated gate.
The beneficial effects of the utility model are:
1) in the utility model ground and fire damp desorption system all adopt draining weight method to measure can desorbing mash gas content, in mensuration process, methane gas is by the water displacement in gas collection bucket, the quality of gas collection inner bucket water is changed, can calculate gas volume by the quality of water that reduces and density formula, the mass change situation of water is by explosion-proof electronic balance real-time automatic collecting, and metering accurately, avoid artificial reading error, be conducive to the accuracy improving gas bearing capacity measurement result.
2) in the utility model ground and fire damp desorption system, all is furnished with pressure and temperature sensor, can pressure and temperature data needed for Real-time Collection coal sample desorption of mash gas link, artificial reading error or skip can be avoided, and then provide reliable data accurately for gas bearing capacity measures.
3) the utility model is for the development of automation control software design of ground gas desorption system, the open and-shut mode of solenoid valve in ground gas desorption process links by programming, in ground gas assay process, staff only need connect coal sample tank according to running program according to this, comminutor, click software control button in each desorption of mash gas link according to this, automatic water filling can be realized and sensed water level, automatic detection device impermeability, automatic pressure acquisition and temperature data, the qualitative data of the water that the gas of automatic collection solution sucking-off displaces, automatic decision process terminates and points out, whole process greatly reduces the artificial link participated in, can greatly avoid producing manual operation error and data acquisition errors.
4) the utility model measures for gas bearing capacity and develops separately gas bearing capacity software for calculation, can automatically survey desorption of mash gas data and calculate with ground gas desorption system, without the need to manual entry under production wells.
5) the gas collection bucket of the utility model robotization ground desorption of mash gas system and robotization fire damp desorption system is non-glass goods, non-friable, is convenient to safeguard.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the front elevation of the utility model robotization ground desorption of mash gas system;
Fig. 2 is the vertical view of the utility model robotization ground desorption of mash gas system;
Fig. 3 is the front elevation of the utility model robotization fire damp desorption system;
Wherein: 1-computer digital animation terminal; 2-explosion-proof electrification system; 3-ground gas collection bucket; 4-is for bucket; 5-bracket; 6-ground explosion-proof electronic balance; 7-measuring cup; 8-surface temperature sensor; 9-ground-pressure pick-up; 10-ground liquid level sensor; 11 ~ 16-hand valve; 17-electricity water pump; 18-gas exhaust piping; 19-ground desorb first air inlet pipeline; 20-ground desorb second air inlet pipeline; 21-water injecting pipeline; 22-ground desorption process discharge pipe line; The desorb of 23-ground terminates discharge pipe line; 24 ~ 28-solenoid valve; 29-alarm; 30-downhole anti-explosion electronic balance; 31-down-hole gas collection bucket; 32-downhole temperature sensor; 33-underground pressure sensor; 34-down-hole desorb air inlet pipeline; 35-down-hole desorption process discharge pipe line.
Embodiment
A kind of robotization coal seam described in the utility model can comprise robotization ground desorption of mash gas system and robotization fire damp desorption system two parts by the direct determinator of desorbing mash gas content.
Robotization ground desorption of mash gas system comprises explosion-proof electronic balance, gas collection bucket, water injecting pipeline, discharge pipe line, air inlet pipeline, solenoid valve, hand valve, electric water pump, pressure transducer, temperature sensor, liquid level sensor, computer digital animation terminal, explosion-proof electrification system, alarm, supplies bucket, measuring cup.Gas collection bucket is the container of ground coal sample desorption of mash gas, gas collection bucket is arranged hand valve, inlet pipeline, discharge pipe line, air inlet pipeline, pressure transducer, temperature sensor and liquid level sensor, wherein pressure transducer, temperature sensor and liquid level sensor are arranged in gas collection bucket upper surface, and it is inner to be communicated with gas collection bucket, gas collection bucket is fixed on the desorption of mash gas system and device bracket of robotization ground, connect measuring cup by desorption process discharge pipe line, measuring cup is placed on explosion-proof electronic sky plane surface; Be connected with gas collection bucket by inlet pipeline, discharge pipe line, electric water pump, solenoid valve for bucket; Solenoid valve, electric water pump, pressure transducer, temperature sensor, liquid level sensor, alarm are connected with computer digital animation terminal by data line, and carry out data receiver, process, storage, display and control by computer digital animation terminal.Whole system is powered by explosion-proof electrification system.
Robotization fire damp desorption system comprises explosion-proof electronic balance, gas collection bucket, air inlet pipeline, discharge pipe line, pressure transducer and temperature sensor.Gas collection bucket is the container of down-hole coal sample desorption of mash gas, gas collection bucket is arranged bung, air inlet pipeline and discharge pipe line.The metering of explosion-proof electronic balance integrated quality, environmental pressure collection, temperature collection, data storage function.
Described gas collection bucket is coal sample desorption of mash gas container.In the desorption of mash gas system of robotization ground, gas collection bucket volume is 3L; Described pressure transducer, temperature sensor and liquid level sensor are arranged in gas collection bucket surface, and it is inner to be communicated with gas collection bucket, during coal sample desorption of mash gas, pressure transducer and temperature sensor direct Real-time Collection gas collection bucket internal gas space pressure and temperature, gas collection bucket maximum level distance gas collection barrel cavity coboundary 1 ~ 2cm is controlled by liquid level sensor collection signal, pressure transducer is avoided to contact the water surface with temperature sensor, cause data acquisition errors, controlled the closedown of electric water pump simultaneously by liquid level sensor feedback signal; Gas collection bucket upper surface arranges 5 pipelines altogether, and every bar pipeline all connects one group of hand valve and solenoid valve, the effect of 5 pipelines be respectively connect air, connect coal sample tank, connect comminutor, connect electric water pump, connection desorption process discharge pipe line; Gas collection bucket lowermost end side arrangement 1 discharge pipe line, pipeline connecting a manually-operated gate, after coal sample desorption process terminates, draining gas collection bucket internal residual water by opening manually-operated gate.In robotization fire damp desorption system, gas collection bucket volume is 1.8L, only has each one of air inlet pipeline and discharge pipe line to be communicated with gas collection bucket inside.
Described explosion-proof electronic balance is coal sample desorption of mash gas amount measuring apparatus.Different according to the environment used, explosion-proof electronic balance is divided into ground and down-hole two type.In the desorption of mash gas system of robotization ground, the effect of explosion-proof electronic balance weighs the increase quality that coal sample desorption of mash gas starts to be discharged to end from gas collection bucket the water measuring cup, and the precision of Ground Electronic balance is 0.5g; In robotization fire damp desorption system, the Main Function of explosion-proof electronic balance weighs the minimizing quality that coal sample desorption of mash gas starts to be discharged to end from gas collection bucket extraneous water, in addition, the explosion-proof electronic balance that down-hole uses also is integrated with temperature sensor and pressure transducer, can temperature and pressure in desorption of mash gas process in the external environment of Real-time Collection down-hole, the precision of down-hole electronic balance is 0.1g.
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
1) robotization ground desorption of mash gas system
The front elevation of this robotization ground desorption of mash gas system as shown in Fig. 1 and Fig. 2 difference and the vertical view of robotization ground desorption of mash gas system, this robotization ground desorption of mash gas system comprises computer digital animation terminal 1, explosion-proof electrification system 2, ground gas collection bucket 3, for bucket 4, bracket 5, ground explosion-proof electronic balance 6, measuring cup 7, surface temperature sensor 8, ground-pressure pick-up 9, ground liquid level sensor 10, hand valve 11 ~ 16, solenoid valve 24 ~ 28, electricity water pump 17, gas exhaust piping 18, ground desorb first air inlet pipeline 19, ground desorb second air inlet pipeline 20, water injecting pipeline 21, ground desorption process discharge pipe line 22, ground desorb terminates discharge pipe line 23, alarm 29.
Described ground gas collection bucket 3 is the container of coal sample desorption of mash gas, volume is 3L, its upper surface arranges surface temperature sensor 8, ground-pressure pick-up 9, ground liquid level sensor 10, hand valve 11 ~ 15, and be all connected with gas collection bucket inside, gas collection bucket side bottom arranges that ground desorb terminates discharge pipe line 23, pipeline 23 is installed hand valve 16, and be communicated with for bucket 4.Described hand valve 11 ~ 15 is externally connected exhaust pipe road 18, ground desorb first air inlet pipeline 19, ground desorb second air inlet pipeline 20, water injecting pipeline 21 and ground desorption process discharge pipe line 22 respectively, and pipeline 18 ~ 22 is provided with solenoid valve 24 ~ 28 according to this; Wherein torch magnet valve 24 is directly communicated with external atmospheric environment, solenoid valve 25 is connected coal sample tank and comminutor material alms bowl with solenoid valve 26 respectively in the coal sample desorption of mash gas process of ground, solenoid valve 27 connects electric water pump 17 by pipeline 21 and then is communicated with for bucket 4, and solenoid valve 28 is communicated with measuring cup 7 by pipeline 22.The integrated power supply of described explosion-proof electrification system 2 and data collecting card function, by consumer each in cable connection system, solenoid valve 24 ~ 28, electric water pump 17, surface temperature sensor 8, ground-pressure pick-up 9, ground liquid level sensor 10, alarm 29, ground explosion-proof electronic balance 6 connect the data collecting card in explosion-proof electrification system by data line.The function of described computer digital animation terminal 1 is the on off state of Controlling solenoid valve, electric water pump, shows each sensing data, and carries out gas bearing capacity calculating according to data.
This robotization ground desorption of mash gas system operation procedures is as follows:
(1) air-leakage test
Robotization ground desorption of mash gas system before use, first should carry out air-leakage test to gas collection bucket 3, and this process is by the automatic control realization of operation system of software to solenoid valve 24 ~ 28 and electric water pump 17.Concrete steps are as follows: first the hand valve 11 ~ 15 of gas collection bucket 3 upper surface is in open mode, the hand valve 16 of side bottom cuts out, then " air-leakage test " button in software is clicked, now solenoid valve 24 ~ 28 Close All, electricity water pump 17 starts, to gas collection bucket 3 intracontour waterflooding, when gas collection bucket 3 internal pressure reaches setup parameter, electricity water pump 17 cuts out automatically, if the gas collection bucket 3 inner sustain set pressure time is not less than 1min, then illustrate that gas collection bucket 3 impermeability is good, otherwise, alarm 29 carries out sound and light alarm prompting gas collection bucket 3 and leaks gas, the open and-shut mode of hand valve 11 ~ 15 now then should be coordinated to detect the parts of gas leakage.
(2) coal sample pulverizes front desorb
When surface installation air-leakage test result is good, then enter coal sample and pulverize front desorb link, now by coal sample tank connected electromagnetic valve 26 external port, continue to keep the state of all hand valves in a upper link simultaneously, click " coal sample pulverizes front desorb " button, now solenoid valve 25, 26, 28 close, solenoid valve 24, 27 open, electricity water pump 17 is to water filling in gas collection bucket 3, when liquid level arrives liquid level sensor 10, electricity water pump 17 stops water filling automatically, now solenoid valve 24, 26, 27 close, solenoid valve 25 and 28 is opened, software prompt opens coal sample tank valve, after coal sample tank valve is opened, methane gas is successively by solenoid valve 25, pipeline 19 and hand valve 12 enter gas collection bucket 3, by internal water successively manually valve 15, pipeline 22 and solenoid valve 28 are pressed in the measuring cup 7 on explosion-proof electronic balance 6, temperature sensor 8 is passed through at desorb start/stop time in this process, pressure transducer 9 and explosion-proof electronic balance 6 record gas collection bucket internal temperature respectively, the quality of pressure and draining.After before coal sample pulverizing, desorb terminates, alarm 29 carries out sound and light alarm prompting process and terminates.
(3) coal sample pulverizes desorb
After before coal sample is pulverized, desorb terminates, then enter coal sample and pulverize desorb link, now by comminutor material alms bowl connected electromagnetic valve 27 external port, continue to keep the state of all hand valves in a upper link simultaneously, click " coal sample pulverizing desorb " button, now solenoid valve 25, 26, 28 close, solenoid valve 24, 27 open, electricity water pump 17 is to water filling in gas collection bucket 3, when liquid level arrives liquid level sensor 10, electricity water pump 17 stops water filling automatically, now solenoid valve 24, 25, 27 close, solenoid valve 26 and 28 is opened, software prompt starts comminutor, in crushing process, methane gas is successively by solenoid valve 26, pipeline 20 and hand valve 13 enter gas collection bucket 3, by internal water successively manually valve 15, pipeline 22 and solenoid valve 28 are pressed in the measuring cup 7 on explosion-proof electronic balance 6, temperature sensor 8 is passed through at desorb start/stop time in this process, pressure transducer 9 and explosion-proof electronic balance 6 record gas collection bucket internal temperature respectively, the quality of pressure and draining.After coal sample pulverizing desorb terminates, alarm 29 carries out sound and light alarm prompting process and terminates.
(4) coal sample parameter is inputted
After step (2) and (3) are terminated, software prompt input coal sample gross mass and pulverizing coal sample quality, and the temperature, pressure and the displacement mass data that link different in process are gathered are stored into database in order to computation process extraction.
So far, robotization ground desorption of mash gas Dynamic System terminates, and opens hand valve 16, passes back into water remaining in gas collection bucket 3 for bucket 4.
2) robotization fire damp desorption system
Robotization fire damp desorption system as shown in Figure 3, robotization fire damp desorption system of the present invention comprises downhole anti-explosion electronic balance 30, down-hole gas collection bucket 31, downhole temperature sensor 32, underground pressure sensor 33, down-hole desorb air inlet pipeline 34, down-hole desorption process discharge pipe line 35.
Robotization fire damp desorption system operation steps is as follows:
(1) water-mass density corrects
Down-hole gas collection bucket 31 is placed on downhole anti-explosion electronic balance 30, and peeling is weighed, and in gas collection bucket 31, then injects known volume mine Pipeline Water weigh, drawn the actual density of mine Pipeline Water by density formula.
(2) fire damp desorb
After step (1) terminates, gas collection bucket 31 being filled water is placed on downhole anti-explosion electronic balance 30, down-hole desorption process discharge pipe line 35 is communicated with external environment, now press " beginning desorb " button on downhole anti-explosion electronic balance 30, simultaneously by coal sample tank connecting downhole desorb air inlet pipeline 34, methane gas enters gas collection bucket 31 by down-hole desorb air inlet pipeline 34 and is gone out by hydraulic pressure, through down-hole desorption process discharge pipe line 35, water is drained into external environment, in this process, from desorb start time timing, every 1min records the change of the quality of gas collection bucket 31 internal water, whole desorption process continues 30min, after desorb terminates, software gathers ambient temperature and pressure data respectively by downhole temperature sensor 32 and underground pressure sensor 33, and data in process are stored into database in order to calling.So far, the operation of robotization fire damp desorption system terminates.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.
Claims (3)
1. robotization coal seam can the direct determinator of desorbing mash gas content, it is characterized in that: comprise robotization ground desorption of mash gas system and robotization fire damp desorption system two subsystems;
Described robotization ground desorption of mash gas system comprises explosion-proof electronic balance, gas collection bucket, inlet pipeline, discharge pipe line, air inlet pipeline, solenoid valve, hand valve, electric water pump, pressure transducer, temperature sensor, liquid level sensor, computer digital animation terminal, explosion-proof electrification system, alarm, supplies bucket and measuring cup; Described robotization fire damp desorption system comprises explosion-proof electronic balance, gas collection bucket, air inlet pipeline, discharge pipe line, pressure transducer and temperature sensor;
In ground gas desorption system, gas collection bucket is as the container of ground coal sample desorption of mash gas, be provided with hand valve, inlet pipeline, discharge pipe line, air inlet pipeline, pressure transducer, temperature sensor and liquid level sensor, wherein pressure transducer, temperature sensor and liquid level sensor are arranged in gas collection bucket upper surface, and it is inner to be communicated with gas collection bucket, gas collection bucket is fixed on bracket; Connect measuring cup by desorption process discharge pipe line, measuring cup is placed on explosion-proof electronic sky plane surface; Be connected with gas collection bucket by inlet pipeline, discharge pipe line, electric water pump, solenoid valve for bucket; Solenoid valve, electric water pump, pressure transducer, temperature sensor, liquid level sensor, alarm are connected with computer digital animation terminal by data line, and carry out data receiver, process, storage, display and control by computer digital animation terminal, whole system is powered by explosion-proof electrification system;
In fire damp desorption system, gas collection bucket, as the container of down-hole coal sample desorption of mash gas, it is furnished with bung, air inlet pipeline and discharge pipe line; Pressure transducer and temperature sensor are arranged on explosion-proof electronic balance side, realize the collection of environmental pressure and environment temperature.
2. a kind of robotization coal seam according to claim 1 can the direct determinator of desorbing mash gas content, and it is characterized in that: in the desorption of mash gas system of robotization ground, the volume of described gas collection bucket is 3L; In robotization fire damp desorption system, the volume of described gas collection bucket is 1.8L.
3. a kind of robotization coal seam according to claim 1 can the direct determinator of desorbing mash gas content, it is characterized in that: in the desorption of mash gas system of robotization ground, gas collection bucket upper surface arranges 5 pipelines, every bar pipeline all connects one group of hand valve and solenoid valve, and 5 pipelines connect air respectively, connect coal sample tank, connect comminutor, connect electric water pump, connection desorption process discharge pipe line; Gas collection bucket lowermost end side arrangement 1 discharge pipe line, pipeline connecting a manually-operated gate, after coal sample desorption process terminates, draining gas collection bucket internal residual water by opening manually-operated gate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520736244.6U CN204944972U (en) | 2015-09-22 | 2015-09-22 | Automatic change direct survey device of coal seam desorption gas content |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520736244.6U CN204944972U (en) | 2015-09-22 | 2015-09-22 | Automatic change direct survey device of coal seam desorption gas content |
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| CN204944972U true CN204944972U (en) | 2016-01-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606480A (en) * | 2015-09-22 | 2016-05-25 | 中煤科工集团重庆研究院有限公司 | Automatic change direct survey device of coal seam desorption gas content |
| CN107727528A (en) * | 2017-09-30 | 2018-02-23 | 河南理工大学 | The desorption of mash gas speed detecting method and device of a kind of no accumulated error |
| CN109085087A (en) * | 2018-08-17 | 2018-12-25 | 中煤科工集团重庆研究院有限公司 | Full-automatic device and method for quickly measuring gas desorption index and drilling cuttings amount of drilling cuttings |
-
2015
- 2015-09-22 CN CN201520736244.6U patent/CN204944972U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606480A (en) * | 2015-09-22 | 2016-05-25 | 中煤科工集团重庆研究院有限公司 | Automatic change direct survey device of coal seam desorption gas content |
| CN105606480B (en) * | 2015-09-22 | 2018-10-02 | 中煤科工集团重庆研究院有限公司 | Automatic change direct survey device of coal seam desorption gas content |
| CN107727528A (en) * | 2017-09-30 | 2018-02-23 | 河南理工大学 | The desorption of mash gas speed detecting method and device of a kind of no accumulated error |
| CN109085087A (en) * | 2018-08-17 | 2018-12-25 | 中煤科工集团重庆研究院有限公司 | Full-automatic device and method for quickly measuring gas desorption index and drilling cuttings amount of drilling cuttings |
| CN109085087B (en) * | 2018-08-17 | 2021-03-23 | 中煤科工集团重庆研究院有限公司 | Full-automatic device and method for quickly measuring gas desorption index and drilling cuttings amount of drilling cuttings |
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