CN205844124U - A kind of desorbing gas law determinator of coal - Google Patents
A kind of desorbing gas law determinator of coal Download PDFInfo
- Publication number
- CN205844124U CN205844124U CN201620638637.8U CN201620638637U CN205844124U CN 205844124 U CN205844124 U CN 205844124U CN 201620638637 U CN201620638637 U CN 201620638637U CN 205844124 U CN205844124 U CN 205844124U
- Authority
- CN
- China
- Prior art keywords
- gas
- coal
- pressure gauge
- coal sample
- tank
- 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.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 238000003795 desorption Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses the desorbing gas law determinator of a kind of coal, including the gas cylinder being sequentially communicated by pipeline, gasing tank, coal sample tank and gas collecting bottle, gasing tank connects gas cylinder by one end of the first precision pressure gauge, gasing tank connects one end of the second precision pressure gauge by the other end of the first precision pressure gauge, coal sample tank connects gas collecting bottle by the other end of the second precision pressure gauge, first precision pressure gauge and the second precision pressure gauge are also connected with vacuum pump, between gas cylinder and the first precision pressure gauge, pressure meter switch is installed, gas it is filled with in gas cylinder, it is filled with coal sample in coal sample tank；This utility model uses volume to collect, much larger than the air collector of coal sample tank, the gas that coal sample desorbs, and is transmitted the gas pressure data of release to air collector to computer by pressure transducer and data collecting card.
Description
Technical field
This utility model belongs to coal mine gas hazard prediction technical field, and the desorbing gas law particularly to a kind of coal is surveyed
Determine device.
Background technology
During coal and gas prominent, the gas amount discharged for the most several seconds is to determine prominent key, and coal
Body exposes the after gas outside desorbing lasting process of release and is then far longer than this time.After prominent generation, coal body desorbs
Gas amount only can increase prominent during Gas, without the generation that impact is prominent.Therefore, at the beginning of coal sample exposes,
The adsorption law of that a part of gas discharged at first is only and determines the prominent key that whether can occur.By to coal desorbing
Gas law, after exposing especially suddenly, initially a period of time desorbing gas law is studied, dangerous to coal and gas prominent
Property prediction and the research of prevention and controls significant.
Currently for this problem, it is all based on the coal sample research in the desorbing gas data exposed after certain time.
The reason causing above-mentioned phenomenon is limited by means of testing and condition the most in early days, and its mensuration process uses soap bubble stream mostly
Gauge or volumetric method.This carried out testing desorption of mash gas amount is relatively steady when is feasible, but when desorbing in coal sample
When gas amount changes greatly, arise that relatively large deviation.Such as when the coal body containing high pressure gas is suddenly exposed in air, coal
The gas flow peak value of desorbing in body is very big, and change is the fastest, and the most common effusion meter or volumetric method the most at all cannot be right
This process is measured.
Utility model content
Utility model purpose: in order to overcome the deficiencies in the prior art, the purpose of this utility model there is provided one
Planting and coal can be exposed the device that overall process desorption process be measured accurately and reliably, the desorbing gas law research for coal carries
For foundation.
Technical scheme: for achieving the above object, the technical solution adopted in the utility model is:
The desorbing gas law determinator of a kind of coal, including the gas cylinder being sequentially communicated by pipeline, gasing tank, coal
Sample tank and gas collecting bottle, described gasing tank connects gas cylinder by one end of the first precision pressure gauge, and described gasing tank is by the
The other end of one precision pressure gauge connects one end of the second precision pressure gauge, and described coal sample tank is another by the second precision pressure gauge
One end connects gas collecting bottle, and described first precision pressure gauge and the second precision pressure gauge are also connected with vacuum pump, described gas cylinder
And pressure meter switch is installed between the first precision pressure gauge, is filled with gas in described gas cylinder, fills out in described coal sample tank
It is filled with coal sample.
Further, described coal sample tank and gas collecting bottle are placed in thermostatic bath.
Further, the external recirculated water of described thermostatic bath.
Further, described gas collecting bottle being provided with pressure transducer, pressure transducer connects meter by data collecting card
Calculation machine.
Further, the volume of described gas collecting bottle is more than the volume of coal sample tank.
Further, the pressure in described gas collecting bottle is consistently less than 10kPa.
Further, described vacuum pump connects the first precision pressure gauge and the second precision pressure gauge by threeway.
Further, described first precision pressure gauge is provided with the first valve and the second valve；Second precision pressure gauge
On be provided with the 3rd valve and the 4th valve.
Further, described first Valve controlling gas cylinder and the break-make of gasing tank；Second Valve controlling gasing tank and
The break-make of vacuum pump；3rd Valve controlling vacuum pump and the break-make of coal sample tank；4th Valve controlling coal sample tank and gas collecting bottle logical
Disconnected；Described second valve and the 3rd valve co-controlling gasing tank and the break-make of coal sample tank.
Beneficial effect: this utility model use volume much larger than the air collector of coal sample tank collect that coal sample desorbs watt
This, and by pressure transducer and data collecting card, the gas pressure data of release to air collector are transmitted to computer.This reality
The desorption of mash gas process in coal sample exposure initial moment can be measured with novel, and due at gas cylinder and coal sample tank
Between be provided with a gasing tank, can to measure during be filled with in coal sample tank gas accurately measure.The gas collecting bottle used
Volume is much larger than coal sample tank, it is ensured that during desorbing measures, the pressure in gas collecting bottle is consistently less than 10KPa, it is to avoid to coal
Desorption process impact.The desorbing gas data using sensor to measure deformation coal exposure overall process are achieved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Wherein: 1-gas cylinder；2-pressure meter switch；3-thermostatic bath；4-the first precision pressure gauge；5-the first valve；
6-the second valve；7-gasing tank；8-vacuum pump；9-threeway；10-the 3rd valve；11-the 4th valve；12-the second precision pressure
Table；13-coal sample tank；14-coal sample；15-gas collecting bottle；16-computer；17-pressure transducer；18-data collecting card.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
As it is shown in figure 1, the desorbing gas law determinator of a kind of coal, including the gas cylinder being sequentially communicated by pipeline
1, gasing tank 7, coal sample tank 13 and gas collecting bottle 15, is provided with a gasing tank 7, fills between described coal sample tank 13 and gas cylinder 1
Gas tank 7 is provided with the first precision pressure gauge 4 and can accurately measure the gas being filled with in coal sample tank 13, described gasing tank 7
Gas cylinder 1, the described gasing tank 7 other end by the first precision pressure gauge 4 is connected by one end of the first precision pressure gauge 4
Connecting one end of the second precision pressure gauge 12, described coal sample tank 13 connects gas collecting bottle by the other end of the second precision pressure gauge 12
15, described first precision pressure gauge 4 and the second precision pressure gauge 12 are also connected with vacuum pump 8, described gas cylinder 1 and the first essence
Pressure meter switch 2 is installed between close Pressure gauge 4, is filled with gas in described gas cylinder 1, is filled with in described coal sample tank 13
Coal sample 14；Preparation load weighted coal sample 14 are loaded coal sample tank 13, evacuation check whole device under constant temperature
After air-tightness, in coal sample tank 13, it is filled with a certain amount of gas adsorption equilibrium.Open the 4th valve 11 on coal sample tank 13, gas
Body enters in the gas collecting bottle 15 that volume is much larger than coal sample tank 13, is monitored continuously by the pressure transducer 17 on gas collecting bottle 15 and is gathered
Pressure data in gas collecting bottle 15, and the pressure data of collection is transmitted to computer 16 by data collecting card 18.Coal exposes
At the beginning of, the gas of that part discharged at first and adsorption law thereof are the keys of the prominent genesis mechanism of research.This practicality
The novel difficulty that can effectively avoid high pressure coal body to expose initial stage desorbing gas data acquisition, the desorbing gas law for coal grinds
Study carefully and provide a kind of new approach.
Described coal sample tank 13 and gas collecting bottle 15 are placed in thermostatic bath 3, and the described external recirculated water of thermostatic bath 3, by perseverance
The recirculated water that temperature bath 3 provides, keeps this device coal sample 14 and temperature of air collector 15 in coal sample tank 13 in test process
Constant.
Being provided with pressure transducer 17 on described gas collecting bottle 15, pressure transducer 17 connects calculating by data collecting card 18
Machine 16, is read the signal of pressure transducer 17 Real-time Collection by computer 16 and data collecting system 18.
The volume of described gas collecting bottle 15 is much larger than the volume of coal sample tank 13, it is ensured that during desorbing measures, gas collecting bottle 15
In pressure be consistently less than 10kPa, it is to avoid the desorption process of coal is impacted.
Described vacuum pump 8 connects the first precision pressure gauge 4 and the second precision pressure gauge 12 by threeway 9；Vacuum pump 8 is to whole
Pipeline in individual test device and coal sample tank 13 evacuation, and check the air-tightness of whole device.
The first valve 5 and the second valve 6 it is provided with on described first precision pressure gauge 4；Set on second precision pressure gauge 12
It is equipped with the 3rd valve 10 and the 4th valve 11.
Described first valve 5 controls gas cylinder 1 and the break-make of gasing tank 7；Second valve 6 controls gasing tank 7 and vacuum
The break-make of pump 8；3rd valve 10 controls vacuum pump 8 and the break-make of coal sample tank 13；4th valve 11 controls coal sample tank 13 and gas collection
The break-make of bottle 15；Described second valve 6 and the 3rd valve 10 co-controlling gasing tank 7 and the break-make of coal sample tank 13.
The above is only preferred implementation of the present utility model, it should be pointed out that: for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (8)
1. the desorbing gas law determinator of a coal, it is characterised in that: include the gas cylinder being sequentially communicated by pipeline
(1), gasing tank (7), coal sample tank (13) and gas collecting bottle (15), described gasing tank (7) one end by the first precision pressure gauge (4)
Connecting gas cylinder (1), described gasing tank (7) connects the second precision pressure gauge by the other end of the first precision pressure gauge (4)
(12) one end, described coal sample tank (13) connects gas collecting bottle (15) by the other end of the second precision pressure gauge (12), and described the
One precision pressure gauge (4) and the second precision pressure gauge (12) are also connected with vacuum pump (8), described gas cylinder (1) and the first essence
Pressure meter switch (2) is installed between close Pressure gauge (4), in described gas cylinder (1), is filled with gas, described coal sample tank (13)
Inside it is filled with coal sample (14).
The desorbing gas law determinator of coal the most according to claim 1, it is characterised in that: described coal sample tank (13) and
Gas collecting bottle (15) is placed in thermostatic bath (3)；Described thermostatic bath (3) external recirculated water.
The desorbing gas law determinator of coal the most according to claim 1, it is characterised in that: on described gas collecting bottle (15)
Being provided with pressure transducer (17), pressure transducer (17) connects computer (16) by data collecting card (18).
The desorbing gas law determinator of coal the most according to claim 1, it is characterised in that: described gas collecting bottle (15)
Volume is more than the volume of coal sample tank (13).
The desorbing gas law determinator of coal the most according to claim 4, it is characterised in that: in described gas collecting bottle (15)
Pressure less than 10kPa.
The desorbing gas law determinator of coal the most according to claim 1, it is characterised in that: described vacuum pump (8) leads to
Cross threeway (9) and connect the first precision pressure gauge (4) and the second precision pressure gauge (12).
The desorbing gas law determinator of coal the most according to claim 1, it is characterised in that: described first precision pressure
The first valve (5) and the second valve (6) it is provided with on table (4)；The 3rd valve (10) it is provided with on second precision pressure gauge (12)
With the 4th valve (11).
The desorbing gas law determinator of coal the most according to claim 7, it is characterised in that: described first valve (5)
Control gas cylinder (1) and the break-make of gasing tank (7)；Second valve (6) controls gasing tank (7) and the break-make of vacuum pump (8)；The
Three valves (10) control vacuum pump (8) and the break-make of coal sample tank (13)；4th valve (11) controls coal sample tank (13) and gas collecting bottle
(15) break-make；Described second valve (6) and the 3rd valve (10) co-controlling gasing tank (7) and the break-make of coal sample tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620638637.8U CN205844124U (en) | 2016-06-24 | 2016-06-24 | A kind of desorbing gas law determinator of coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620638637.8U CN205844124U (en) | 2016-06-24 | 2016-06-24 | A kind of desorbing gas law determinator of coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844124U true CN205844124U (en) | 2016-12-28 |
Family
ID=57620484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620638637.8U Expired - Fee Related CN205844124U (en) | 2016-06-24 | 2016-06-24 | A kind of desorbing gas law determinator of coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205844124U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644840A (en) * | 2017-01-11 | 2017-05-10 | 煤炭科学技术研究院有限公司 | Measuring device and method of bilateral diffusion coefficient in process of displacing coalseam gas with gas injection |
| CN110196205A (en) * | 2019-05-30 | 2019-09-03 | 中国矿业大学 | The measurement device and method of gas diffusion through coal particles attenuation characteristic |
| CN115144299A (en) * | 2022-04-29 | 2022-10-04 | 平安煤炭开采工程技术研究院有限责任公司 | High-temperature high-pressure steam preheating coal desorption experimental device and experimental method |
-
2016
- 2016-06-24 CN CN201620638637.8U patent/CN205844124U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644840A (en) * | 2017-01-11 | 2017-05-10 | 煤炭科学技术研究院有限公司 | Measuring device and method of bilateral diffusion coefficient in process of displacing coalseam gas with gas injection |
| CN110196205A (en) * | 2019-05-30 | 2019-09-03 | 中国矿业大学 | The measurement device and method of gas diffusion through coal particles attenuation characteristic |
| CN115144299A (en) * | 2022-04-29 | 2022-10-04 | 平安煤炭开采工程技术研究院有限责任公司 | High-temperature high-pressure steam preheating coal desorption experimental device and experimental method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101470016B (en) | Apparatus for measuring volume by built-in method | |
| CN104729948B (en) | Coal containing methane gas aqueous vapor two phase fluid flow experimental system and method | |
| CN205844124U (en) | A kind of desorbing gas law determinator of coal | |
| CN203785731U (en) | Device for measuring volume of irregular enclosed container | |
| CN103776979A (en) | Simulation test method and device for inhibiting methane desorption effect by coal seam water injection | |
| CN108844850A (en) | Shale adsorption-desorption and decompression exploitation simulator and method based on dynamic equilibrium | |
| CN209656456U (en) | Stress-seepage coupling acts on the experimental rig of lower Rock And Soil | |
| CN103913279A (en) | Method and device for testing leakproofness of oil cooler by mixing helium and air | |
| WO2023193514A1 (en) | Desorbed gas amount testing device and measuring method | |
| CN204269485U (en) | A kind of full-automatic gas cylinder by hydrostatic pressure test system | |
| CN102841192B (en) | Desorption analysis experimental facility of coal rock | |
| CN105259328A (en) | Physical simulation test device for influence of hydraulic measures on coal gas seepage characteristics | |
| CN201311416Y (en) | Underground gas desorption rate tester | |
| CN207248424U (en) | A kind of exhaust direct-reading multipoint pressure measure pipe certainly | |
| CN206594002U (en) | A kind of hydrogen storage material, which is inhaled, puts hydrogen PCT curve testing devices | |
| CN204008401U (en) | A kind of for measuring the device of temperature variation Coal Under rock sample porosity | |
| CN109100259A (en) | A kind of shale gas generation resolver | |
| CN204964496U (en) | Water conservancy measure is to physical simulation test device of coal body gas seepage flow characteristic influence | |
| CN203534928U (en) | Experimental device for testing adsorption/desorption performance of adsorbing working substance pair | |
| CN204008369U (en) | Air content continuous measuring device | |
| CN208223948U (en) | A kind of solid waste physical analogy test macro | |
| CN203798515U (en) | Equipment for testing sealing of oil cooler by using mixing of helium and air | |
| CN206281755U (en) | Porous pavement and the dual-purpose instrument for measuring permeability coefficient of test specimen | |
| CN201014975Y (en) | Lithium battery septum permeability testing device | |
| CN215292596U (en) | Device that coal core volume recovers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20170624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |