CN110907335A - Coal bed gas permeability simulation experiment device and control method thereof - Google Patents
Coal bed gas permeability simulation experiment device and control method thereof Download PDFInfo
- Publication number
- CN110907335A CN110907335A CN201911304497.5A CN201911304497A CN110907335A CN 110907335 A CN110907335 A CN 110907335A CN 201911304497 A CN201911304497 A CN 201911304497A CN 110907335 A CN110907335 A CN 110907335A
- Authority
- CN
- China
- Prior art keywords
- shell
- gas permeability
- simulation experiment
- experiment device
- barrel
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/04—Investigating osmotic effects
Abstract
The invention provides a coal bed gas permeability simulation experiment device and a control method thereof, and relates to the field of coal bed gas permeability. The coal bed gas permeability simulation experiment device comprises a shell, wherein the upper surface of the shell comprises a gun barrel, the bottom of the gun barrel is welded with the upper surface of the shell, a muzzle belt is arranged on the outer surface of the gun barrel, an opening communicated with the inside of the gun barrel is formed in the inner wall of the muzzle belt, and a bearing sheet is arranged on the inner wall of the gun barrel. According to the coal bed gas permeability simulation experiment device and the control method thereof, the metal plate is controlled by the separation blade through the arrangement of the separation blade, the metal plate can be opened in time when an air cannon needs to be discharged, and the high-content gas can be dispersed by inputting gas into the shell and externally discharging the gas without containing the gas, so that the problem that the gas concentration in the coal bed cannot be reduced by any method and the construction safety of coal mine workers is guaranteed is solved.
Description
Technical Field
The invention relates to the technical field of coal bed gas permeability, in particular to a coal bed gas permeability simulation experiment device and a control method thereof.
Background
The gas is harmful gas mainly comprising methane in a mine, mainly comprising coal bed gas, and sometimes independently comprising methane. The gas is colorless, tasteless, odorless, combustible or explosive, is insoluble in water, and has higher diffusivity than air. The gas is non-toxic, but when the concentration is very high, suffocation can be caused, gas explosion accidents often occur when coal seam mining is carried out at present, the life safety of coal miners is seriously damaged, and the market does not have a good method for solving the problems so as to reduce the gas concentration in the coal seam and ensure the construction safety of the coal miners.
Disclosure of Invention
The invention aims to provide a coal seam gas permeability simulation experiment device and a control method thereof, so as to reduce the gas concentration in a coal seam and ensure the construction safety of coal miners.
In order to achieve the purpose, the invention is realized by the following technical scheme: a coal bed gas permeability simulation experiment device and a control method thereof comprise a shell, wherein the upper surface of the shell comprises a gun barrel, the bottom of the gun barrel is welded with the upper surface of the shell, a muzzle belt is arranged on the outer surface of the gun barrel, an opening communicated with the inside of the gun barrel is arranged on the inner wall of the muzzle belt, the inner wall of the gun barrel comprises two bearing pieces, the number of the bearing pieces is two, the opposite sides of the two bearing pieces are fixedly connected with the inner wall of the gun barrel respectively, the upper surfaces of the two bearing pieces comprise metal plates, the lower surfaces of the metal plates are lapped with the upper surfaces of the two bearing pieces, the upper surface of the shell is provided with exhaust holes communicated with the inside of the shell, the lower surfaces of the metal plates comprise connecting rods, the top ends of the connecting rods are fixedly connected with the lower surfaces of the metal plates, and one ends of the connecting rods, the weight is located the surface of connecting rod and cup joints, the right side of casing includes the manometer, the left side of manometer and the right side fixed mounting of casing, the right side inner wall of barrel is seted up flutedly, the movable hole that is linked together with recess inside is seted up in the left side of barrel, the inside in movable hole includes the movable rod, the inside swing joint in surface and the movable hole of movable rod, the surface of movable rod includes the spring, the surface that the spring is located the movable rod cup joints, the right-hand member of movable rod includes the separation blade, the left side of separation blade and the right-hand member fixed connection of movable rod.
Furthermore, the surface of connecting rod includes the fixed disk, the fixed disk is located the fixed surface connection of connecting rod, the lower surface of fixed disk and the top overlap joint of weight.
Furthermore, the bottom end surface of the connecting rod is provided with a thread groove, the surface of the thread groove comprises a nut, and the nut is in threaded connection with the surface of the thread groove.
Furthermore, the lower surface of the casing comprises supporting legs, the tops of the supporting legs are fixedly connected with the lower surface of the casing, the bottoms of the supporting legs comprise sharp corners, and the tops of the sharp corners are fixedly connected with the bottoms of the supporting legs.
Furthermore, the left end of the movable rod comprises a pull handle, and the right side of the pull handle is fixedly connected with the left end of the movable rod.
Furthermore, the number of separation blades is two, and the lower surface of two separation blades all overlaps with the upper surface of metal sheet.
The control method of the coal bed gas permeability simulation experiment device according to the embodiment of the second aspect of the invention comprises the following steps: s1, firstly, placing a shell of the coal bed gas permeability simulation experiment device at a corresponding position, and connecting a right air inlet of the shell with an air charging device; s2, after the shell is connected with the air charging device, the air charging device is started, so that external air enters the shell through the air inlet; s3, as the gas in the shell is more and more, the pressure gauge on the right side of the shell displays the gas pressure in the shell at the moment; s4, pulling the pull handle after the air pressure in the shell reaches the releasing standard, bringing the separation blade into the groove by the pull handle, enabling the pressurized air in the shell to be sprayed upwards, jacking the metal plate upwards, and enabling the air cannon to be shot outwards from the inside of the cannon barrel after the metal plate is jacked up.
The invention provides a coal seam gas permeability simulation experiment device and a control method thereof. The method has the following beneficial effects:
1. according to the coal bed gas permeability simulation experiment device and the control method thereof, the metal plate is controlled by the separation blade through the arrangement of the separation blade, the metal plate can be opened in time when an air cannon needs to be discharged, and the high-content gas can be dispersed by inputting gas into the shell and externally discharging the gas without containing the gas, so that the problem that the gas concentration in the coal bed cannot be reduced by any method and the construction safety of coal mine workers is guaranteed is solved.
2. This coal seam gas permeability simulation experiment device and control method thereof, through the cooperation between weight, nut, thread groove and the fixed disk, reach the interact that utilizes nut and fixed disk for be convenient for fix and change the weight, so that but make quick replacement weight under to different atmospheric pressure, through the setting of trompil, when reaching the outside blowout of the inside air cannon of casing, some gas can spout through the trompil outwards, in order to reach the angle and break away gas concentration.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 1 of the present invention at B.
The gun comprises a shell 1, a gun barrel 2, a metal plate 3, a bearing plate 4, a gun muzzle belt 5, an exhaust hole 6, a connecting rod 7, supporting legs 8, a sharp corner 9, a pressure gauge 10, a groove 11, a movable hole 12, a pull handle 13, a movable rod 14, a spring 15, a blocking piece 16, a fixed disc 17, a heavy hammer 18 and a nut 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, an embodiment of the present invention provides a coal seam gas permeability simulation experiment apparatus and a control method thereof, including a housing 1, a lower surface of the housing 1 includes support legs 8, tops of the support legs 8 are fixedly connected with a lower surface of the housing 1, bottoms of the support legs 8 include sharp corners 9, tops of the sharp corners 9 are fixedly connected with bottoms of the support legs 8, an upper surface of the housing 1 includes a barrel 2, a bottom of the barrel 2 is welded with an upper surface of the housing 1, an outer surface of the barrel 2 is provided with a muzzle band 5, an inner wall of the muzzle band 5 is provided with openings communicated with an interior of the barrel 2, an inner wall of the barrel 2 includes two carrier plates 4, the two carrier plates 4 are two in number, opposite sides of the two carrier plates 4 are respectively fixedly connected with an inner wall of the barrel 2, upper surfaces of the two carrier plates 4 include metal plates 3, a lower surface of the metal plate 3 is overlapped with upper surfaces of, the upper surface of the shell 1 is provided with an exhaust hole 6 communicated with the inside of the shell 1, the lower surface of the metal plate 3 comprises a connecting rod 7, the top end of the connecting rod 7 is fixedly connected with the lower surface of the metal plate 3, one end of the connecting rod 7, far away from the metal plate 3, comprises a heavy hammer 18, the heavy hammer 18 is positioned on the surface of the connecting rod 7 and is sleeved, the surface of the connecting rod 7 comprises a fixed disc 17, the fixed disc 17 is positioned on the surface of the connecting rod 7 and is fixedly connected with the surface of the fixed disc 17, the lower surface of the fixed disc 17 is lapped with the top of the heavy hammer 18, the bottom end surface of the connecting rod 7 is provided with a threaded groove, the surface of the threaded groove comprises a nut 19, the nut 19 is in threaded connection with the surface of the threaded groove, the right side of the shell 1 comprises a pressure gauge 10, the inside of activity hole 12 includes movable rod 14, the inside swing joint of the surface of movable rod 14 and activity hole 12, the left end of movable rod 14 is including drawing 13, draw the right side of 13 and the left end fixed connection of movable rod 14, the surface of movable rod 14 includes spring 15, spring 15 is located the surface of movable rod 14 and cup joints, the right-hand member of movable rod 14 includes separation blade 16, the left side of separation blade 16 and the right-hand member fixed connection of movable rod 14, the quantity of separation blade 16 is two, the lower surface of two separation blades 16 all with metal sheet 3's upper surface overlap joint.
The control method of the coal bed gas permeability simulation experiment device according to the embodiment of the second aspect of the invention comprises the following steps:
s1, firstly, placing a shell 1 of the coal bed gas permeability simulation experiment device at a corresponding position, and connecting a right air inlet of the shell 1 with an air charging device;
s2, after the shell 1 is connected with the inflation device, the inflation device is started, so that external air enters the shell 1 through the air inlet;
s3, as the gas in the shell 1 increases, the pressure gauge on the right side of the shell 1 displays the gas pressure in the shell 1 at the moment;
s4, after the air pressure in the shell 1 reaches the releasing standard, the pull handle 13 is pulled, the pull handle 13 brings the baffle piece 16 into the groove 11, at the moment, the pressurized air in the shell 1 can be sprayed upwards, the metal plate 3 is jacked upwards, and after the metal plate 3 is jacked, the air cannon can be shot outwards from the inside of the cannon barrel 2.
The working principle is as follows: place the experiment position that corresponds at first with casing 1 of coal seam gas permeability simulation experiment device, be connected the right side air inlet and the aerating device of casing 1, treat casing 1 and aerating device and be connected the back, open aerating device, make the inside of outside gas process air inlet entering casing 1, along with casing 1's inside gas is more and more, the manometer on casing 1 right side can demonstrate the inside atmospheric pressure of casing 1 this moment, after the inside atmospheric pressure of casing 1 reached the standard of giving out, will draw 13 to stimulate, draw 13 to bring separation blade 16 into the inside of recess 11, the pressurized gas of casing 1 inside this moment can upwards erupt, and upwards jack-up metal sheet 3, after 3 jacks-up metal sheet, the air cannon can outwards be beaten out from the inside of barrel 2, then coal seam gas concentration can effectively reduce.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a coal seam gas permeability simulation experiment device, includes casing (1), its characterized in that: the upper surface of the shell (1) comprises a barrel (2), the bottom of the barrel (2) is welded with the upper surface of the shell (1), a muzzle belt (5) is arranged on the outer surface of the barrel (2), an opening communicated with the interior of the barrel (2) is formed in the inner wall of the muzzle belt (5), the inner wall of the barrel (2) comprises bearing sheets (4), the number of the bearing sheets (4) is two, one sides of the two bearing sheets (4) opposite to each other are fixedly connected with the inner wall of the barrel (2), the upper surfaces of the two bearing sheets (4) comprise metal plates (3), the lower surfaces of the metal plates (3) are lapped with the upper surfaces of the two bearing sheets (4), exhaust holes (6) communicated with the interior of the shell (1) are formed in the upper surface of the shell (1), and the lower surfaces of the metal plates (3) comprise connecting rods (7), the top end of the connecting rod (7) is fixedly connected with the lower surface of the metal plate (3), one end, far away from the metal plate (3), of the connecting rod (7) comprises a heavy hammer (18), the heavy hammer (18) is located on the surface of the connecting rod (7) and is sleeved, the right side of the shell (1) comprises a pressure gauge (10), the left side of the pressure gauge (10) is fixedly installed on the right side of the shell (1), a groove (11) is formed in the inner wall of the right side of the gun barrel (2), a movable hole (12) communicated with the inside of the groove (11) is formed in the left side of the gun barrel (2), a movable rod (14) is arranged inside the movable hole (12), the surface of the movable rod (14) is movably connected with the inside of the movable hole (12), the surface of the movable rod (14) comprises a spring (15), and the spring (15) is located on the surface of the, the right end of the movable rod (14) comprises a blocking piece (16), and the left side of the blocking piece (16) is fixedly connected with the right end of the movable rod (14).
2. The coal seam gas permeability simulation experiment device of claim 1, wherein: the surface of connecting rod (7) includes fixed disk (17), fixed disk (17) are located the fixed surface connection of connecting rod (7), the lower surface of fixed disk (17) and the top overlap joint of weight (18).
3. The coal seam gas permeability simulation experiment device of claim 1, wherein: the bottom end surface of the connecting rod (7) is provided with a thread groove, the surface of the thread groove comprises a nut (19), and the nut (19) is in threaded connection with the surface of the thread groove.
4. The coal seam gas permeability simulation experiment device of claim 1, wherein: the lower surface of the shell (1) comprises supporting legs (8), the tops of the supporting legs (8) are fixedly connected with the lower surface of the shell (1), the bottoms of the supporting legs (8) comprise sharp corners (9), and the tops of the sharp corners (9) are fixedly connected with the bottoms of the supporting legs (8).
5. The coal seam gas permeability simulation experiment device of claim 1, wherein: the left end of the movable rod (14) comprises a pull handle (13), and the right side of the pull handle (13) is fixedly connected with the left end of the movable rod (14).
6. The coal seam gas permeability simulation experiment device of claim 1, wherein: the number of the baffle plates (16) is two, and the lower surfaces of the two baffle plates (16) are in lap joint with the upper surface of the metal plate (3).
7. The control method of the coal seam gas permeability simulation experiment device according to any one of claims 1 to 6, characterized by comprising the following steps:
s1, firstly, placing a shell (1) of the coal bed gas permeability simulation experiment device at a corresponding position, and connecting a right air inlet of the shell (1) with an air charging device;
s2, after the shell (1) is connected with the inflation device, the inflation device is started, so that external air enters the shell (1) through the air inlet;
s3, as the gas in the shell (1) is more and more, the pressure gauge on the right side of the shell (1) displays the gas pressure in the shell (1) at the moment;
s4, after the air pressure in the shell (1) reaches the releasing standard, pulling the pull handle (13), wherein the stop piece (16) is brought into the groove (11) by the pull handle (13), the pressurized air in the shell (1) can be sprayed upwards and jack the metal plate (3) upwards, and after the metal plate (3) is jacked, the air cannon can be shot outwards from the inside of the cannon barrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304497.5A CN110907335A (en) | 2019-12-17 | 2019-12-17 | Coal bed gas permeability simulation experiment device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304497.5A CN110907335A (en) | 2019-12-17 | 2019-12-17 | Coal bed gas permeability simulation experiment device and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110907335A true CN110907335A (en) | 2020-03-24 |
Family
ID=69826191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911304497.5A Pending CN110907335A (en) | 2019-12-17 | 2019-12-17 | Coal bed gas permeability simulation experiment device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110907335A (en) |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4453085A (en) * | 1984-07-26 | 1986-01-30 | Atlantic Richfield Company | Continuous-miner-mounted sprayfan ventilation system |
| CN101012755A (en) * | 2007-02-11 | 2007-08-08 | 杜志刚 | Equipment for increasing gas exhaustion of coal mine bed by hole drilling |
| US20080099004A1 (en) * | 2005-03-25 | 2008-05-01 | Martin Gerardo | Pressurized Air Shooting Device |
| CN201215202Y (en) * | 2008-06-24 | 2009-04-01 | 刘克勤 | Pressure adjustable weight dropper type automatic or manual discharging pressure retaining valve |
| WO2012106749A1 (en) * | 2011-02-07 | 2012-08-16 | Runge Ltd | Structured gas desorption at constant temperature |
| CN202544906U (en) * | 2012-02-29 | 2012-11-21 | 张锦富 | Gas emission device of coal mine |
| WO2013056597A1 (en) * | 2011-10-19 | 2013-04-25 | 中国矿业大学 | Gas extraction method and device with alternating extraction and injection |
| CN103234890A (en) * | 2013-04-22 | 2013-08-07 | 辽宁工程技术大学 | Low-permeability coal high-pressure gas cycle pulse fracturing anti-reflection experimental device |
| CN203465176U (en) * | 2013-09-25 | 2014-03-05 | 湖南科技大学 | Detection system of gas permeability of coal gangue filling body |
| CN104370122A (en) * | 2014-11-04 | 2015-02-25 | 融庆能源装备有限公司 | Treatment system and method for coal bunker gas |
| CN104500019A (en) * | 2014-11-18 | 2015-04-08 | 辽宁工程技术大学 | Reinforced anti-reflection method for promoting gas extraction |
| CN105910974A (en) * | 2016-06-12 | 2016-08-31 | 河南理工大学 | Experiment method and device for testing gas-containing coal seam isobaric imbibition effect |
| WO2017020516A1 (en) * | 2015-08-03 | 2017-02-09 | 中国矿业大学 | Gas extraction method based on liquid nitrogen cyclic freeze-thaw anti-reflection by drill holes in horizontal orientation |
| WO2017097733A1 (en) * | 2015-12-07 | 2017-06-15 | Dürr Systems Ag | A mixing and processing system of ventilation air methane and coal mine methane |
| CN106959263A (en) * | 2017-02-28 | 2017-07-18 | 河南工程学院 | One kind carrying cleat in coal observation and gas porous flow visual experimental apparatus |
| CN206737941U (en) * | 2017-05-12 | 2017-12-12 | 张丽军 | A kind of coal mine gas, cannon fodder, dust separation ventilation equipment |
| CN108757009A (en) * | 2018-05-22 | 2018-11-06 | 河北新阳工程技术有限公司 | A method of eliminating coal and gas prominent using surface drilling |
| CN109252846A (en) * | 2018-11-13 | 2019-01-22 | 煤科集团沈阳研究院有限公司 | The high pressure air pulse ripples periodically hammering anti-reflection system and method for coal body |
| CN208897689U (en) * | 2018-10-30 | 2019-05-24 | 煤科集团沈阳研究院有限公司 | It is a kind of new-type for measuring the coal sample tank of coal seam gas-bearing capacity |
| CN208918579U (en) * | 2018-10-18 | 2019-05-31 | 陈凡 | A kind of ventilation device for preventing coal mine gas from transfiniting |
| CN109869179A (en) * | 2019-04-18 | 2019-06-11 | 代连朋 | A kind of negative pressure stabilizing device for gas pumping under a coal mine |
| CN110185488A (en) * | 2019-04-29 | 2019-08-30 | 徐州吉安矿业科技有限公司 | A kind of dust-removing blower for mine |
| CN110359949A (en) * | 2019-08-02 | 2019-10-22 | 华北科技学院 | A kind of gas drainage combination plugging device |
-
2019
- 2019-12-17 CN CN201911304497.5A patent/CN110907335A/en active Pending
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4453085A (en) * | 1984-07-26 | 1986-01-30 | Atlantic Richfield Company | Continuous-miner-mounted sprayfan ventilation system |
| US20080099004A1 (en) * | 2005-03-25 | 2008-05-01 | Martin Gerardo | Pressurized Air Shooting Device |
| CN101012755A (en) * | 2007-02-11 | 2007-08-08 | 杜志刚 | Equipment for increasing gas exhaustion of coal mine bed by hole drilling |
| CN201215202Y (en) * | 2008-06-24 | 2009-04-01 | 刘克勤 | Pressure adjustable weight dropper type automatic or manual discharging pressure retaining valve |
| WO2012106749A1 (en) * | 2011-02-07 | 2012-08-16 | Runge Ltd | Structured gas desorption at constant temperature |
| WO2013056597A1 (en) * | 2011-10-19 | 2013-04-25 | 中国矿业大学 | Gas extraction method and device with alternating extraction and injection |
| CN202544906U (en) * | 2012-02-29 | 2012-11-21 | 张锦富 | Gas emission device of coal mine |
| CN103234890A (en) * | 2013-04-22 | 2013-08-07 | 辽宁工程技术大学 | Low-permeability coal high-pressure gas cycle pulse fracturing anti-reflection experimental device |
| CN203465176U (en) * | 2013-09-25 | 2014-03-05 | 湖南科技大学 | Detection system of gas permeability of coal gangue filling body |
| CN104370122A (en) * | 2014-11-04 | 2015-02-25 | 融庆能源装备有限公司 | Treatment system and method for coal bunker gas |
| CN104500019A (en) * | 2014-11-18 | 2015-04-08 | 辽宁工程技术大学 | Reinforced anti-reflection method for promoting gas extraction |
| WO2017020516A1 (en) * | 2015-08-03 | 2017-02-09 | 中国矿业大学 | Gas extraction method based on liquid nitrogen cyclic freeze-thaw anti-reflection by drill holes in horizontal orientation |
| WO2017097733A1 (en) * | 2015-12-07 | 2017-06-15 | Dürr Systems Ag | A mixing and processing system of ventilation air methane and coal mine methane |
| CN105910974A (en) * | 2016-06-12 | 2016-08-31 | 河南理工大学 | Experiment method and device for testing gas-containing coal seam isobaric imbibition effect |
| CN106959263A (en) * | 2017-02-28 | 2017-07-18 | 河南工程学院 | One kind carrying cleat in coal observation and gas porous flow visual experimental apparatus |
| CN206737941U (en) * | 2017-05-12 | 2017-12-12 | 张丽军 | A kind of coal mine gas, cannon fodder, dust separation ventilation equipment |
| CN108757009A (en) * | 2018-05-22 | 2018-11-06 | 河北新阳工程技术有限公司 | A method of eliminating coal and gas prominent using surface drilling |
| CN208918579U (en) * | 2018-10-18 | 2019-05-31 | 陈凡 | A kind of ventilation device for preventing coal mine gas from transfiniting |
| CN208897689U (en) * | 2018-10-30 | 2019-05-24 | 煤科集团沈阳研究院有限公司 | It is a kind of new-type for measuring the coal sample tank of coal seam gas-bearing capacity |
| CN109252846A (en) * | 2018-11-13 | 2019-01-22 | 煤科集团沈阳研究院有限公司 | The high pressure air pulse ripples periodically hammering anti-reflection system and method for coal body |
| CN109869179A (en) * | 2019-04-18 | 2019-06-11 | 代连朋 | A kind of negative pressure stabilizing device for gas pumping under a coal mine |
| CN110185488A (en) * | 2019-04-29 | 2019-08-30 | 徐州吉安矿业科技有限公司 | A kind of dust-removing blower for mine |
| CN110359949A (en) * | 2019-08-02 | 2019-10-22 | 华北科技学院 | A kind of gas drainage combination plugging device |
Non-Patent Citations (9)
| Title |
|---|
| TINGKAN LU 等: "Improvement of coal seam gas drainage by under-panel cross-strata stimulation using highly pressurized gas", 《INTERNATIONAL JOURNAL OF ROCK MECHANICS & MINING SCIENCES》, vol. 77, 16 May 2015 (2015-05-16), pages 300 - 312, XP029225707, DOI: 10.1016/j.ijrmms.2015.03.034 * |
| WENRUI HE 等: "Increasing Permeability of Coal Seam and Improving Gas Drainage Using a Liquid Carbon Dioxide Phase Transition Explosive Technology", 《ADVANCES IN CIVIL ENGINEERING》, 27 August 2018 (2018-08-27), pages 1 - 15 * |
| YANG TAO 等: "Intelligent identification of gas anomalous area by electro-magnetic joint exploration technology", 《THE JOURNAL OF ENGINEERING》, 25 September 2018 (2018-09-25), pages 1645 - 1649 * |
| 杨涛 等: "基于煤粒瓦斯解吸实验的温度变化量预测模型研究", 《矿业安全与环保》, vol. 46, no. 3, 30 June 2019 (2019-06-30), pages 23 - 47 * |
| 杨涛 等: "煤粒瓦斯解吸实验中的初始有效扩散系数", 《辽宁工程技术大学学报（自然科学版）》, vol. 35, no. 11, 30 November 2016 (2016-11-30), pages 1225 - 1229 * |
| 王泰: "低透气性单一煤层采煤工作面瓦斯防治措施", 《煤矿开采》, vol. 9, no. 2, 30 June 2004 (2004-06-30), pages 70 - 81 * |
| 穆惠民 等: "《中国水泥装备制造、安装、维护与修理》", 31 May 2010, pages: 616 - 619 * |
| 许彦鹏 等: "水力冲孔空气炮爆破强化抽采合理爆破次数研究", 《河南理工大学学报( 自然科学版)》, vol. 38, no. 5, 30 September 2019 (2019-09-30), pages 1 - 6 * |
| 赵立朋 等: "气相压裂瓦斯快速抽采技术研究和应用", 《煤炭技术》, vol. 37, no. 7, 31 July 2018 (2018-07-31), pages 199 - 201 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201314813Y (en) | Low-temperature gas blaster | |
| CN205525986U (en) | But outer apex stone oil storage tank that floats fires device | |
| CN207698035U (en) | A kind of bus fire extinguisher dry chemical filling apparatus | |
| CN110907335A (en) | Coal bed gas permeability simulation experiment device and control method thereof | |
| CN203556079U (en) | Fire-fighting grenade | |
| CN205859606U (en) | A kind of steel cylinder fixed support | |
| CN107631671A (en) | A kind of engineering explosion blasthole spaced loading device | |
| CN207662279U (en) | A kind of blasting cap initiation energy force checking device | |
| CN203730062U (en) | Closed-loop mining lifesaving cabin body | |
| CN110939478B (en) | Method for improving gas permeability of coal bed by adopting air cannon vibration | |
| CN215696558U (en) | Clear hole device in big gun hole | |
| CN213078161U (en) | Quantitative mixing machine for firework production | |
| CN110953925B (en) | Automatic triggering air cannon | |
| CN201492846U (en) | Vertical type fireproofing and extinguishing high-multiple inhibition foam generating device | |
| CN112712972B (en) | Mining explosion-proof transformer | |
| CN210371979U (en) | Pressure vessel for petroleum production | |
| CN107789766A (en) | A kind of automatic range foam annihilator | |
| CN207923379U (en) | A kind of semi-automatic air-tightness detection device of sealed shell of tank | |
| CN207323903U (en) | A kind of energy purifying smoke and highly practical fire-fighting robot | |
| CN202432547U (en) | Intelligent pneumatic igniting device for open flow of oil field | |
| CN219198869U (en) | Coal mine gas explosion-proof device | |
| CN217941535U (en) | Fixed aerosol canister gassing device that punches | |
| CN217559548U (en) | Gas storage tank with sealing performance and good fireproof performance | |
| CN204141239U (en) | A kind of gas support | |
| CN219605328U (en) | Mining fire extinguishing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200324 |
|
| RJ01 | Rejection of invention patent application after publication |