CN204286979U - Split type coal and non-coal adsorption-desorption and outstanding test unit - Google Patents
Split type coal and non-coal adsorption-desorption and outstanding test unit Download PDFInfo
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- CN204286979U CN204286979U CN201420773326.3U CN201420773326U CN204286979U CN 204286979 U CN204286979 U CN 204286979U CN 201420773326 U CN201420773326 U CN 201420773326U CN 204286979 U CN204286979 U CN 204286979U
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Abstract
The utility model discloses a kind of split type coal and non-coal adsorption-desorption and outstanding test unit, comprise a cylindrical shape coal sampling mill, coal sampling mill is provided with some pressure-temperature sensors that can detect moulded coal temperature and gaseous tension, one end of described coal sampling mill is installed with can be stretched into vertically wherein and can apply the hydraulic loaded equipment of axially stress, the blowout of coal and gas mouth that the other end is communicated with coal sampling mill when being provided with work, is provided with the quick release mechanism for controlling ejiction opening conducting at blowout of coal and gas mouth place; Hydraulic loaded equipment is connected with piston rod by universal joint, is positioned over face formula that the coal sample in coal sampling mill contacts and inflates loading disc and connect when piston-rod end and test.The utility model can study moulded coal at differently stress, different gas pressure Coal Under to the adsorption-desorption characteristics of gas and coal and gas prominent mechanism.
Description
Technical field
The utility model belongs to coal scientific research technical field, particularly a kind of for carrying out split type coal and non-coal adsorption-desorption under differently stress, different gas pressure condition and outstanding test unit.
Background technology
At present, coal and gas prominent is a kind of extremely complicated dynamic buckling phenomenon occurring in underground coal mine, that underground coal mine produces one of the most serious disaster, coal and rock can be caused to hit or bury personnel in the pit, destroy the accidents such as down-hole facility, even destroy whole workplace, negative effect is very severe.Because of the coal and gas prominent occurring in underground coal mine have the time short, endanger the features such as large, carry out the dangerous large cause of comprehensive enforcement research to on-the-spot coal and gas prominent process, scholars are main research and the exploration relying on laboratory model research technique to carry out coal and gas prominent mechanism at present.
In coal and gas prominent mechanism, " combined action hypothesis " is extensively approved because considering the factors such as the physico-mechanical properties of terrestrial stress, gas pressure and coal comprehensively.But the real mechanism of action that each leisures of factor such as the physico-mechanical properties of terrestrial stress, gas pressure and coal are given prominence in process is not correctly disclosed yet.Due to the nonlinearity of coal and gas prominent, physical simulating method research is adopted to be the method generally adopted at present.
At present, domestic and international related scientific research mechanism has carried out a large amount of coal and gas prominent resemble simulation test research work, and have developed a series of coal and gas prominent simulation test device, present Research is as follows:
(1) application number is that the Chinese patent of 200810069276.X discloses a kind of coal and gas prominent simulator stand, utility model is by how group hydraulic jack is to coal sample axial pressure, in coal sample, gas is filled by inflation inlet, device aspis is implemented mechanization by quick release mechanism and is automatically controlled, high speed opening aspis.
(2) application number be 200810233048.1 Chinese patent disclose a kind of coal and gas prominent mould, offer air-filled pore in the central authorities of base plate, in this air-filled pore, be installed into valve; Pilot hole is offered at the middle part of front end-plate, installs aspis in this pilot hole.
(3) application number be 200910103154.2 Chinese patent disclose a kind of coal and gas prominent combined test apparatus, this device comprises coal sampling mill, terrestrial stress simulated loading system and air pressure loading equipemtn, the Shili Capsule of terrestrial stress simulated loading system and charger are arranged in closed container, the pressurizing channel of pressurising equipment communicates with capsule wall interlayer, charger comprises at least two loading blocks, coal sampling mill is surrounded by loading blocks, gap is there is, by pressure acquisition device and cameras view test findings between adjacent load block.But this device can not carry out terrestrial stress loading.
(4) application number be 200910103155.7 Chinese patent disclose a kind of coal and gas prominent test quick pressure releasing coal sampling mill, comprise coal sampling mill body, coal sampling mill body arranges blowout of coal and gas mouth and pressed gas import, blowout of coal and gas mouth arranges operation valve, before the inherent operation valve of coal sampling mill body, barrier film is set, cavity between barrier film and operation valve is counter balance pocket, and counter balance pocket arranges pressure equilibrium gas feed.Pressure release adopts barrier film, and process of the test is complicated, is inconvenient to operate.
(5) application number be 200910103157.6 Chinese patent disclose a kind of coal and gas prominent test unit, comprise coal sampling mill, air pressure-loading equipment, coal sampling mill arranges blowout of coal and gas mouth, blowout of coal and gas mouth arranges operation valve, the pressurized gas passage of air pressure-loading equipment communicates with coal sampling mill inside, before the inherent operation valve of coal sampling mill, barrier film is set, cavity between barrier film and operation valve is the counter balance pocket being connected to equilibrium air pressure loading equipemtn, also comprise the pressure acquisition device be arranged in coal sampling mill and the video camera being arranged on coal sampling mill outside, the location transparency that coal sampling mill is relative with video camera is arranged.But this device can not carry out terrestrial stress loading.
(6) application number be 201010149061.6 Chinese patent disclose a kind of coal and gas prominent simulation test device, comprise steel cylinder, be arranged on the ring flange at steel cylinder two ends, gas charging system and data acquisition system (DAS); The ring flange being arranged on steel cylinder one end is the ring flange with center pit, and arranges burst disk at the non-installation side of this ring flange and steel cylinder.But this device can not carry out terrestrial stress loading.
(7) application number be 201110021828.1 Chinese patent disclose a kind of coal and non-coal experiment simulator, comprise coal sampling mill and air pressure loading equipemtn, at least one is provided with for placing the coal sample die cavity of coal sample in described coal sampling mill, the pressurized gas passage that air pressure-loading equipment comprises gas gas cylinder and is connected with gas gas cylinder, the blowout of coal and gas mouth be communicated with coal sample die cavity when coal sampling mill being provided with work, ejiction opening is provided with the control device for controlling ejiction opening conducting, the first camera for taking pictures to the inner coal sample of coal sample die cavity is outside equipped with at coal sampling mill, ejiction opening is provided with the second camera for taking blowout of coal and gas.
(8) application number is Chinese patent coal and gas prominent simulation experiment system when disclosing a kind of stone door punching coal of 201110324127.5, it comprises the casing that top is provided with opening, this box opening is configured with a loading steel plate, top board and base plate is equipped with in airtight cavity, coal seam is equipped with between top board and base plate, this coal seam and surface level form a pitch angle, outstanding simulation tunnel extends until cross with coal seam in base plate, gas adopts face formula inflatable structure, and aspis is arranged opens hermetically-sealed construction fast.
The model test stand device system of the above-mentioned unit of comprehensive analysis, also has the following disadvantages:
1. above-mentioned simulation test device cannot realize the test of coal and non-coal characterization of adsorption;
2. above-mentioned test unit is no matter large or small, and its internal model is main mainly with rectangular parallelepiped, easily forms stress concentrate during loading at model edge;
3. complicated operation in above-mentioned model test apparatus process of the test, major part only can observe protrusion phenomenon qualitatively, can not the transient changing rule of the parameter such as pressure and temperature in disposable complete collection coal and gas prominent process of the test and protrusion phenomenon, realize quantitative test.
In order to study different condition terrestrial stress and gas pressure Coal Under and gas absorption and coal and gas prominent mechanism and occurrence condition better, need to develop a kind of coal and non-coal adsorption-desorption and outstanding test unit, to explain coal and gas prominent characterization of adsorption and genesis mechanism.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, there is provided a kind of split type coal and non-coal adsorption-desorption and outstanding test unit, it can study moulded coal at differently stress, different gas pressure Coal Under to the adsorption-desorption characteristics of gas and coal and gas prominent mechanism.
For achieving the above object, the utility model adopts following technical proposals:
A kind of split type coal and non-coal adsorption-desorption and outstanding test unit, comprise a cylindrical shape coal sampling mill, coal sampling mill is provided with some temperature and pressure sensors that can detect moulded coal temperature and gaseous tension, one end of described coal sampling mill is installed with can be stretched into vertically wherein and can apply the hydraulic loaded equipment of axially stress, the blowout of coal and gas mouth that the other end is communicated with coal sampling mill when being provided with work, is provided with the quick release mechanism for controlling ejiction opening conducting at blowout of coal and gas mouth place; Hydraulic loaded equipment is connected with piston rod by universal joint, is positioned over face formula that the coal sample in coal sampling mill contacts and inflates loading disc and connect when piston-rod end and test; Apply axially stress by hydraulic loaded equipment, confined pressure is provided by the counter-force of the internal chamber wall of coal sampling mill, realizes accurate triaxiality and loads, by hydraulic control loading equipemtn pressure, and the different stress conditions of simulation moulded coal;
Be provided with duct in described piston rod, one end, duct is connected with a port of the threeway of piston rod outside, and two other port of threeway is connected with vacuum extraction equipment with gas gas cylinder respectively, and the air slot that the duct other end is inflated on loading disc with face formula communicates;
Described face formula inflation loading disc employing application number is the configuration and techniques of 201210227229.X patent; That is: inflation panel is comprised, inflation panel one end is connected with gas ducting, and gas ducting is provided with gas-filled switching tube, and described inflation panel comprises panel, panel is provided with the air slot intersecting in length and breadth and be communicated with, and air slot is communicated with gas ducting by the filling channel of panel end; Lower floor's sieve plate, woven wire and upper strata sieve plate is provided with successively above described panel, the edge conjunction place of described lower floor sieve plate, woven wire, upper strata sieve plate and panel is sealed by rubber weather strip, and fixing press strip is set in the upper sieve panel edges of topmost, lower floor's sieve plate, woven wire, upper strata sieve plate are fixed on panel by bolt by fixing press strip.
The ejiction opening of Φ 60mm is provided with in the middle of described quick release mechanism one end, quick release mechanism comprises upper and lower support, upper bracket is hinged with buckle, lower carriage is hinged with the C type buckle that can clamp with buckle and unclamp, be provided with rotary screw in the middle part of C type buckle, rotary screw end connects the sealing pad that can seal ejiction opening.
By the activity of rotary screw adjustable sealing dish, during sealing, C type buckle and buckle are blocked, regulate rotary screw compression seal dish sealing blowout of coal and gas mouth; During release, C type buckle is separated with buckle, is separated rapidly with blowout of coal and gas mouth with Action of Gravity Field lower seal dish at pressure.
Described cylindrical shape coal sampling mill, hydraulic loaded equipment, face formula inflation loading disc and quick release mechanism are all fixedly installed on bracing frame.
The described threeway be connected with vacuum extraction equipment with gas gas cylinder is provided with gauge tap.
Described formula inflation loading disc is disk structure part, the inner chamber transition fit of its external diameter and cylindrical shape coal sampling mill, and can ensure the impermeability of inner chamber.
Described pressure-temperature sensor, by data line connecting secondary instrument respectively, changes for testing coal and non-coal absorption and giving prominence to gaseous tension and coal temperature in process.
The high-speed camera for recording coal and gas prominent transient process is placed in described coal and non-coal adsorption-desorption and outstanding test unit ejiction opening front.
Utilize a test method for split type coal and non-coal adsorption-desorption and outstanding test unit, comprise two stages, the first stage is that the adsorption-desorption of coal and non-coal is tested, and subordinate phase is coal and gas prominent test;
The adsorption-desorption test procedure of coal and non-coal is as follows:
1) be contained in coal sampling mill by coal sample, threeway one end is connected gas gas cylinder, the other end connects vacuum extraction equipment, and hydraulic loaded equipment connection Hydraulic Station is settled high-speed camera, and connected a whole set of described test unit;
2) use hydraulic loaded equipment to wanting shaping coal sample load application, shaping according to pre-set forming pressure gradation; After coal sample is shaping, close blowout of coal and gas mouth, check test container air-tightness;
3) with vacuum pump, coal sampling mill is vacuumized, with hydraulic loaded equipment, pressure keep pressure stability is applied to moulded coal;
4) by purity be 99.9% methane be filled with coal sampling mill by predetermined pressure, treat that coal sample room pressure reaches balance, portion gas is adsorbed, portion gas is still among residual volume with free state, the known methane volumetric being filled with or releasing, the free volume of deduction residual volume, is adsorption volume;
5) repeat such mensuration, obtain each pressure stage equalized pressure and adsorbent accumulated amount, couple together and be adsorption isothermal; Complete the adsorption-desorption test of coal and non-coal;
Coal and gas prominent test is as follows:
In fact moulded coal after axially stress and gas pressure reach predetermined value in outstanding test unit is equivalent to a coal seam containing " gas ", throw open the blowout of coal and gas mouth utilizing quick release mechanism to carry out temporary sealing, now due to the effect of gas pressure and simulated ground stress, the energy be stored in coal sampling mill is made to discharge suddenly from blowout of coal and gas mouth and complete the outstanding test of coal and non-coal;
Investigate experimental phenomena (outstanding, extrude or incline, do not give prominence to), mechanical property of coal seam and loading environment can be disclosed to the influence factor of coal and gas prominent and mechanism of action according to test condition.
Outstanding parameter to be determined has: coal sample forming pressure, outstanding time oil cylinder working-pressure, gas pressure, gas bearing capacity, gas flow, intensity of outburst, outstanding distance, outstanding coal particle size, outstanding time etc.Such the utility model can study moulded coal at differently stress, different gas pressure Coal Under to the adsorption-desorption characteristics of gas and moulded coal in differently stress, different gas pressure Coal Under and Gas Outburst characteristic.
The beneficial effects of the utility model are:
1, the utility model applies axially stress by hydraulic jack, and confined pressure is provided by the counter-force of internal chamber wall, realizes accurate triaxiality and loads, by hydraulic control oil cylinder working-pressure, and the different stress conditions of simulation moulded coal.
2, the loading of the utility model coal sample and the loading piston rod of test unit are designed with duct, outer end, duct connecting tee, be connected with vacuum extraction equipment with gas gas cylinder by threeway, realize vacuumizing and methane gas filling, the duct other end and face formula are inflated loading disc and are connected.Realize first moulded coal being vacuumized being filled with gas again, simulate the adsorbed state of coal and non-coal more really.
3, coal sample loading of the present utility model and test unit are provided with the pressure-temperature sensor for detecting moulded coal temperature and gaseous tension, can gas pressure be controlled thus simulate different gas pressures, realizing the adsorption-desorption of moulded coal under different stress and gas pressure condition and outstanding test quantitative examination.
4, device ejiction opening implements Mechanical course by quick release mechanism, opens ejiction opening instantaneously at a high speed, makes its unexpected pressure release, simulate digging in-situ more really and cause coal and gas prominent.
5, the high-speed camera for recording coal and gas prominent transient phenomenon is settled in device ejiction opening front, and catch at a high speed with coal and non-coal transient phenomenon, recording of video can confirm mutually with pressure sensor data.
6, the utility model structure is simple, easy to operate and cost of manufacture is low, realizes the object of quantitative simulation and research coal and gas prominent.
Accompanying drawing explanation
Fig. 1 is the utility model instantiation structural representation;
Fig. 2 is the utility model instantiation structure division stereographic map;
Fig. 3 is quick release device structural representation in Fig. 1;
Fig. 4 adopts the utility model test method schematic diagram;
Wherein 1. hydraulic loaded equipment, 2. formula inflation loading disc, 3. coal sampling mill, 4. pressure and temperature sensor, 5. quick release mechanism, 5-1. sealing pad, 5-2. upper bracket, 5-3. buckle, 5-4.C type buckle, 5-5. lower carriage, 6. threeway, 7. universal joint, 8. support structure, 9. moulded coal, 10. Hydraulic Station interface, 11. Hydraulic Stations, 12. high pressure gas gas cylinders, 13. coal and non-coal adsorption-desorptions and outstanding test unit, 14. vacuum pumps, 15. high-speed cameras.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1 and Figure 2: coal and non-coal adsorption-desorption and outstanding test unit 13 comprise hydraulic loaded equipment 1, coal sampling mill 3, quick release mechanism 5, face formula inflate loading disc 2, pressure and temperature sensor 4 and support structure 8.Coal sampling mill 3, hydraulic loaded equipment 1, face formula inflation loading disc 2 and quick release mechanism 5 are all fixed in support structure 8.Be provided with the coal sample die cavity for placing coal sample in described coal sampling mill 3, face formula inflation loading disc 2 leaves gas passage connecting tee 6, each arrangement gauge tap of two outlets in threeway 6.Coal sampling mill is provided with the collecting device 4 for detecting coal sampling mill internal pressure and temperature, described pressure and temperature sensor 4, by data line connecting secondary instrument respectively, changes for testing coal and non-coal absorption and giving prominence to gaseous tension and coal temperature in process.
The blowout of coal and gas mouth that coal sampling mill end is communicated with coal sampling mill when being provided with work, is provided with the quick release mechanism 5 for controlling ejiction opening conducting at blowout of coal and gas mouth place, hydraulic loaded equipment 1 is inflated loading disc 2 by universal joint 7 and face formula and is connected.Apply axially stress by hydraulic loaded equipment 1, confined pressure is provided by the counter-force of the internal chamber wall of coal sampling mill 3, realizes accurate triaxiality and loads, by hydraulic control loading equipemtn 1 pressure, and the different stress conditions of simulation moulded coal.
Piston rod is provided with duct, and outer end, duct connecting tee 6, is connected with vacuum pump 14 with high pressure gas gas cylinder 12 by threeway 6, realizes vacuumizing and methane gas filling, and the air slot that the duct other end is inflated on loading disc 2 with face formula is connected.Realize first moulded coal being vacuumized being filled with gas again, simulate the adsorbed state of coal and non-coal more really.
Face formula inflation loading disc employing application number is the configuration and techniques of 201210227229.X patent; That is: inflation panel is comprised, inflation panel one end is connected with gas ducting, and gas ducting is provided with gas-filled switching tube, and described inflation panel comprises panel, panel is provided with the air slot intersecting in length and breadth and be communicated with, and air slot is communicated with gas ducting by the filling channel of panel end; Lower floor's sieve plate, woven wire and upper strata sieve plate is provided with successively above described panel, the edge conjunction place of described lower floor sieve plate, woven wire, upper strata sieve plate and panel is sealed by rubber weather strip, and fixing press strip is set in the upper sieve panel edges of topmost, lower floor's sieve plate, woven wire, upper strata sieve plate are fixed on panel by bolt by fixing press strip.Face formula inflation loading disc is disk structure part, the inner chamber transition fit of its external diameter and cylindrical shape coal sampling mill, and can ensure the impermeability of inner chamber.
As shown in Figure 3: the ejiction opening in the middle of quick release mechanism 5 being Φ 60mm, comprising: lower carriage 5-5, upper bracket 5-2, sealing pad 5-1, buckle 5-3, C type buckle 5-4.C type buckle 5-4 and lower carriage 5-5 is hinged, and buckle 5-3 and upper bracket 5-2 is hinged, and sealing pad 5-1 is connected by rotary screw, by the activity of rotary screw adjustable sealing dish with C type buckle 5-4.During sealing, C type buckle 5-4 and buckle 5-3 is blocked, regulate rotary screw to make sealing pad 5-1 seal ejiction opening; During release, C type buckle 5-4 is separated with buckle 5-3, is separated rapidly with ejiction opening with Action of Gravity Field lower seal dish 5-1 at pressure.
As shown in Figure 4, the high-speed camera 15 for recording coal and gas prominent transient process is placed in coal and non-coal adsorption-desorption and outstanding test unit 13 ejiction opening front, Hydraulic Station 11 by Hydraulic Station interface 10 for hydraulic loaded equipment 1 provides motive power, high pressure gas gas cylinder 12 is connected with the duct on piston rod by threeway 6 with vacuum pump 14, realizes vacuumizing in coal sampling mill 3 and methane gas filling.
Be divided into two stages when utilizing the utility model to test, the first stage is that the adsorption-desorption of coal and non-coal is tested, and is then coal and gas prominent test.
First coal sample be contained in coal sampling mill 3, threeway 6 one end is connected gas gas cylinder, the other end connects vacuum extraction equipment, and hydraulic loaded equipment connection Hydraulic Station is settled high-speed camera, and connected other instruments.With hydraulic loaded equipment 1 to wanting shaping coal sample load application, shaping according to pre-set forming pressure gradation.After coal sample is shaping, close ejiction opening, check test container air-tightness.With vacuum pump, coal sampling mill is vacuumized, with hydraulic loaded equipment pressure applied to moulded coal 9 and keep pressure stability.High-purity for high pressure 99.9% methane is filled with coal sampling mill.Treat that coal sample room pressure reaches balance, portion gas is adsorbed, and portion gas is still among residual volume with free state, the known methane volumetric being filled with (releasing), and the free volume of deduction residual volume, is adsorption volume.Repeat such mensuration, obtain each pressure stage equalized pressure and adsorbent accumulated amount, couple together and be adsorption isothermal.Complete the adsorption-desorption test of coal and non-coal.
Treat that terrestrial stress and gas pressure reach the predetermined value processus aboralis moulded coal gone out in analogue means and be in fact equivalent to a coal seam containing " gas ", throw open the ejiction opening utilizing quick release mechanism to carry out temporary sealing, now due to the effect of gas pressure and pressure simulation terrestrial stress, the energy be stored in coal sampling mill is made to discharge suddenly from ejiction opening and complete the outstanding test of coal and non-coal.
Investigate experimental phenomena (outstanding, extrude or incline, do not give prominence to), mechanical property of coal seam and loading environment can be disclosed to the influence factor of coal and gas prominent and mechanism of action according to test condition.Outstanding parameter to be determined has: coal sample forming pressure, oil cylinder working-pressure time outstanding, gas pressure, gas bearing capacity, gas flow, intensity of outburst, outstanding distance, outstanding coal particle size, outstanding time etc.Such the utility model can study moulded coal at differently stress, different gas pressure Coal Under to the adsorption-desorption characteristics of gas and moulded coal in differently stress, different gas pressure Coal Under and Gas Outburst characteristic.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (8)
1. a split type coal and non-coal adsorption-desorption and outstanding test unit, comprise a cylindrical shape coal sampling mill, it is characterized in that, coal sampling mill is provided with some pressure and temperature sensors that can detect moulded coal temperature and gaseous tension, one end of described coal sampling mill is installed with can be stretched into vertically wherein and can apply the hydraulic loaded equipment of axially stress, the blowout of coal and gas mouth that the other end is communicated with coal sampling mill when being provided with work, is provided with the quick release mechanism for controlling ejiction opening conducting at blowout of coal and gas mouth place; Being connected with piston rod by universal joint of hydraulic loaded equipment, being positioned over face formula that the coal sample in coal sampling mill contacts when piston-rod end and test and inflating loading disc and connect.
2. device as claimed in claim 1, it is characterized in that, described piston rod is provided with duct, one end, duct is connected with a port of the threeway of piston rod outside, two other port of threeway is connected with vacuum extraction equipment with gas gas cylinder respectively, and the duct other end and face formula are inflated loading disc and are communicated.
3. device as claimed in claim 1, it is characterized in that, ejiction opening is provided with in the middle of described quick release mechanism one end, quick release mechanism comprises upper and lower support, upper bracket is hinged with buckle, lower carriage is hinged with the C type buckle that can clamp with buckle and unclamp, release is buckled and is provided with rotary screw by screw thread, and rotary screw end connects the sealing pad that can seal blowout of coal and gas mouth;
The activity of sealing pad can be regulated by rotary screw, during sealing, release button is blocked with snap fastener, adjusting screw compression seal dish sealing blowout of coal and gas mouth; During release, C type buckle is separated with buckle, is separated rapidly with blowout of coal and gas mouth with Action of Gravity Field lower seal dish at pressure.
4. device as claimed in claim 1, is characterized in that, described cylindrical shape coal sampling mill, hydraulic loaded equipment, face formula inflation loading disc and quick release mechanism are all fixedly installed on bracing frame.
5. device as claimed in claim 1, it is characterized in that, the described threeway be connected with vacuum extraction equipment with gas gas cylinder is provided with gauge tap.
6. device as claimed in claim 1, is characterized in that, described formula inflation loading disc is disk structure part, the inner chamber transition fit of its external diameter and cylindrical shape coal sampling mill, and can ensure the impermeability of inner chamber.
7. device as claimed in claim 1, is characterized in that, described pressure and temperature sensor, by data line connecting secondary instrument respectively, changes for testing coal and non-coal absorption and giving prominence to gaseous tension and coal temperature in process.
8. device as claimed in claim 1, is characterized in that, the high-speed camera for recording coal and gas prominent transient process is placed in described blowout of coal and gas mouth front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773326.3U CN204286979U (en) | 2014-12-09 | 2014-12-09 | Split type coal and non-coal adsorption-desorption and outstanding test unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420773326.3U CN204286979U (en) | 2014-12-09 | 2014-12-09 | Split type coal and non-coal adsorption-desorption and outstanding test unit |
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| CN201420773326.3U Expired - Fee Related CN204286979U (en) | 2014-12-09 | 2014-12-09 | Split type coal and non-coal adsorption-desorption and outstanding test unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910913A (en) * | 2016-06-27 | 2016-08-31 | 河南理工大学 | Test system and method for coal and gas outburst induced by impact load under coal sample of raw coal |
| CN106353159A (en) * | 2016-09-08 | 2017-01-25 | 华北科技学院 | Apparatus and method for manufacturing coal sample by hybrid hot-pressing |
| CN108226440A (en) * | 2017-12-28 | 2018-06-29 | 山东大学 | Coal and gas prominent simulation test big-flow high-pressure gas filling system and test method |
-
2014
- 2014-12-09 CN CN201420773326.3U patent/CN204286979U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910913A (en) * | 2016-06-27 | 2016-08-31 | 河南理工大学 | Test system and method for coal and gas outburst induced by impact load under coal sample of raw coal |
| CN105910913B (en) * | 2016-06-27 | 2018-12-04 | 河南理工大学 | Shock loading induces coal and gas prominent pilot system and method under raw coal sample |
| CN106353159A (en) * | 2016-09-08 | 2017-01-25 | 华北科技学院 | Apparatus and method for manufacturing coal sample by hybrid hot-pressing |
| CN108226440A (en) * | 2017-12-28 | 2018-06-29 | 山东大学 | Coal and gas prominent simulation test big-flow high-pressure gas filling system and test method |
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Granted publication date: 20150422 Termination date: 20201209 |