CN108087019A - A kind of device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid - Google Patents

A kind of device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid Download PDF

Info

Publication number
CN108087019A
CN108087019A CN201711460763.4A CN201711460763A CN108087019A CN 108087019 A CN108087019 A CN 108087019A CN 201711460763 A CN201711460763 A CN 201711460763A CN 108087019 A CN108087019 A CN 108087019A
Authority
CN
China
Prior art keywords
gas
upper corner
scroll fluid
colliery
aqueous vapor
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.)
Granted
Application number
CN201711460763.4A
Other languages
Chinese (zh)
Other versions
CN108087019B (en
Inventor
郭建珠
何艳
沈积雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyuan University of Technology
Original Assignee
Taiyuan University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Taiyuan University of Technology filed Critical Taiyuan University of Technology
Priority to CN201711460763.4A priority Critical patent/CN108087019B/en
Publication of CN108087019A publication Critical patent/CN108087019A/en
Application granted granted Critical
Publication of CN108087019B publication Critical patent/CN108087019B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F7/00Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose

Abstract

A kind of device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid, belong to fluid applied technical field, it is characterized in that a kind of mix liquid phase with two kinds of completely different fluids of physical property of gas phase a kind of multiphase flow aqueous vapor scroll fluid of generation, the fluid is made to riddle colliery upper corner, it spills into main airstream to be diluted and discharged either to combine with liquid particles by continuously vortex flow colliery gas at upper corner and consolidates object with colliery mineral or other liquid and discharge;And the device that methane accumulation cannot be generated in this space of colliery upper corner is riddled by scroll fluid flowing.The present invention avoid due to gas at upper corner it is out of control caused by malignant event generation, application prospect and meaning are very great.The device of the invention is simple and reliable, it is easy to operate, timely, thorough, efficient, do not cause secondary pollution.

Description

A kind of device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid
Technical field
A kind of device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid of the present invention, belongs to fluid application technology neck Domain, it is specifically a kind of that liquid phase is mixed to a kind of multiphase flowing water of generation with two kinds of completely different fluids of physical property of gas phase Gas eddy rotary fluid makes the fluid riddle colliery upper corner, passes through continuously vortex flow colliery gas at upper corner It spills into main airstream to be diluted and discharged either to combine with liquid particles and consolidates object with colliery mineral or other liquid and arrange Go out;And by scroll fluid flowing riddle cannot be generated in this space of colliery upper corner methane accumulation device and Application process.
Background technology
Gas refers to the pernicious gas based on methane being mainly made of in mine coal bed gas, sometimes independent nail alkane. Gas is a kind of colourless, tasteless, the odorless, gas that can burn or explode, is insoluble in water, diffusivity is compared with air height.Gas without Poison, but it is dense when, asphyxia can be caused.There are mainly two types of states for occurrence form of the gas in coal seam:In osmotic space Gas mainly in free gaseous state, be known as free gas or free gas, the gas obedience ideal gas behavior side of this state Journey;Another kind is known as adsorption gas, interparticle of its primary attachment on the micropore surface of coal and in coal, in occupation of coal molecule Space between the room of structure or coal molecule.
After mine gas is not combustion-supporting, but it is mixed into a certain concentration with air, meeting fire can burn, explode.During gas explosion 3 fatal factors can be generated:Explosive flame, explosion wave and toxic and harmful gas.Gas explosion not only causes largely Casualties, but also can seriously destroy mine facility, interrupt production.Mine gas explosion often causes coal-dust explosion, mine Fire, roadway cave in and the secondary disasters such as roof collapse.
Cause gas combustion that must possess 3 conditions with explosion:The ignition source and foot of certain density methane, certain temperature Enough oxygen.
Upper corner is exactly air return way and to adopt the corner behind face, and that gas taken to return air from working face is suitable due to distinguished and admirable Slot, gas easily gather above this place, so this local gas easily transfinites, therefore gas at upper corner concentration is coal The emphasis of ore deposit security monitoring.The gas that timely processing is locally accumulated is important content and the prevention of the daily gas administration of mine Gas explosion accident, the key job for ensureing safety in production;But gas gather easily occur it is extremely multiple with governing measure at gas Contradiction that is miscellaneous and falling behind is very prominent, as denomination of invention --- the mining induced fissure band gas pumping skill based on km directional drilling Art method, application number CN201710511319.4 are split using km directional drilling machine in the drill site of return side to goaf top Several km directional drillings of gap belt construction carry out extraction to the gas in mining induced fissure band, can effectively solve the problem that upper corner gathers Overrun issues, it is evident that this method is by accumulation problems smallization, does not solve accumulation problems thoroughly;As patent:Denomination of invention --- a kind of U-shaped ventilation operation face goaf is servo-actuated gas pumping method, application number CN201710467143.7, by back production The shunting function of face-airing reduces the gas source in the stope upper corner return of goaf, improves work Make the gas pumping rate in face, achieved the effect that safe and efficient back production, but still cannot thoroughly solve the problems, such as methane accumulation, institute It is a kind of simple and reliable to be badly in need of, effectively quickly gas at upper corner is discharged into main airstream in real time, and ensure upper corner this One restriction space does not generate the device of gas aggregation phenomenon.
The content of the invention
A kind of device purpose that colliery gas at upper corner is administered based on aqueous vapor scroll fluid of the present invention is, above-mentioned to solve Exist in the prior art with insurmountable problem, so as to which to disclose a kind of two kinds of physical properties by liquid phase and gas phase completely different Fluid mixing generate a kind of multiphase flow aqueous vapor scroll fluid, the fluid is made to riddle colliery upper corner, by continuously Vortex flow causes colliery gas at upper corner is spilt into main airstream to be diluted and discharged or combined with liquid particles with coal Ore deposit mineral or other liquid are consolidated object and are discharged together;And upper corner this space in colliery is riddled by scroll fluid flowing The technical solution of the interior device and application process that cannot generate methane accumulation, the technical solution is simple and reliable, easy to operate, Neng Gouji When it is reliable, thoroughly, efficiently, the aqueous vapor scroll fluid of secondary pollution is not caused to administer colliery gas at upper corner device, so as to avoid Due to gas at upper corner it is out of control caused by malignant event generation.
A kind of device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid of the present invention, it is characterised in that be a kind of incite somebody to action Liquid phase mixes a kind of multiphase flow aqueous vapor scroll fluid of generation with two kinds of completely different fluids of physical property of gas phase, makes the fluid Riddle colliery upper corner, spilt by continuously vortex flow colliery gas at upper corner in main airstream give it is dilute It releases and discharges either to combine with liquid particles and consolidate object with colliery mineral or other liquid and discharge;And pass through scroll fluid Flowing riddles colliery upper corner so that cannot generate the device of methane accumulation in this space, and the device is by pressure water route 1, pressure Strength road 2, intelligent controller 3, air water vortex generating means 4, fixed pillar 5, it is distinguished and admirable be oriented to overflow baffle plate 6, upper corner 7, Goaf 8, working face wall 9, coal working face 10, main airstream 11, top plate 12 and bottom plate 13 form, pressure water route 1 and pressure Power source of the gas circuit 2 as air water atomising device, their working pressure range are 0.2-0.6Mpa, and dosage volume ratio is 1: 0.05-0.001, air water vortex generating means 4 are connected to pressure water route 1 and pressure gas circuit 2 by intelligent controller 3, Gu Determine pillar 5 to be supported between top plate 12 and bottom plate 13, fixed pillar 5 divides individually to arrange or multiple arrangements, and fixed pillar 5 is arranged It is close on fixed 5 top of pillar in 7 upper area of upper corner, central region, lower area and its position that they are mutually combined Air water vortex generating means 4 is fixed in this one side of upper corner 7, it is made to be sprayed with 30--45 degree positive pitch directions to 12 position of top plate Air water is atomized scroll fluid, and fixed pillar 5 flows to distinguished and admirable be oriented to of direction installation along main airstream 11 towards 9 one side of working face wall and overflows Go out baffle plate 6.
A kind of application process of above-mentioned device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid:
I installs fixed pillar 5 first in working face is supported between top plate 12 and bottom plate 13, and fixed pillar 5 divides for independent cloth Put or multiple arrangements, fixed pillar 5 be arranged in 7 upper area of upper corner, central region, lower area and its they be mutually combined Position, fix air water vortex generating means 4 close to this one side of upper corner 7 on fixed 5 top of pillar, make its with 30--45 degree to Updip angular direction can spray air water atomization scroll fluid to the position of top plate 12, fix pillar 5 towards 9 one side edge of working face wall Main airstream 11 flows to distinguished and admirable be oriented to of direction installation and overflows baffle plate 6.
II install after by pressure water and pressure air is opened to pressure water route 1 and pressure gas circuit 2 respectively, in intelligent control Under device 3 controls, pressure water and pressure air enter air water vortex generating means 4, are exported in air water vortex generating means 4 to top plate 12 spray aqueous vapor scroll fluid, according to the volume of distance and upper corner 7 of the air water vortex generating means 4 away from top plate 12, intelligence Controller 3 is generated gas eddy rotation by the pressure and flow of control pressure water and pressure air, eddies of water whirlpool, aqueous vapor are combined and be vortexed Fluid.
III passes through energy transmission mode and gas knot first by gas eddy rotation, eddies of water whirlpool and the aqueous vapor of II generation with reference to being vortexed It closes and forms gas and be vortexed, through gas vortex nucleus formation step by step, gas vortex runs to that flow to junction with main airstream 11 distinguished and admirable It is oriented to and overflows baffle plate 6, the distinguished and admirable spilling baffle plate 6 first that is oriented to is act as so that main airstream 11 rinses band after coal working face 10 The main airstream 11 for having gas flows to so that the turbid wind come is spread in goaf 8 can also pass through upper corner 7 into main airstream 11 Flow direction, the distinguished and admirable spilling baffle plate 6 second that is oriented to are act as so that continuously vortex flow is so that colliery gas at upper corner overflows Go out and diluted and discharged into main airstream 11;Secondly, upper corner 7 is riddled by scroll fluid flowing, due to scroll fluid Successively flowing and distinguished and admirable be oriented to overflow 6 guiding role of baffle plate, and distinguished and admirable be oriented to overflows baffle plate 6 close to 7 one side of upper corner Scroll fluid flowing kinetic energy be more than the distinguished and admirable energy for being oriented to and overflowing main airstream 11 of the baffle plate 6 close to 9 one side of working face wall, So that this restriction space of upper corner 7 does not generate gas aggregation phenomenon;As gas is combined with main airstream 11, and with main airstream 11 It flows together, such gas just realizes safety dumping with gaseous form;
Revolved by gas eddy, eddies of water whirlpool, aqueous vapor combine be vortexed with gas be bonded gas vortex, gas vortex run to and main wind Stream 11 flows to distinguished and admirable be oriented in junction and overflows baffle plate 6, and gas vortex is combined with the mineral in 11 space of main airstream, and with master Distinguished and admirable 11 Minerals flow together, such gas just with solid combination realize safety dumping;Aqueous vapor vortex passes through gas Vortex, eddies of water whirlpool, aqueous vapor combine to be vortexed is bonded gas vortex with gas, and gas vortex is run to be flowed to main airstream 11 Distinguished and admirable be oriented in junction overflows baffle plate 6, and gas vortex is combined with liquid object in main airstream 11, and with liquid in main airstream 11 Object flows together, such gas just with liquid object combination realize safety dumping;
It is constantly flowed by multiphase flow aqueous vapor scroll fluid, the content of 7 gas of upper corner is more and more lower, due to multiphase flow aqueous vapor whirlpool Rotary fluid occupies entire 7 space of upper corner, since the kinetic energy of aqueous vapor scroll fluid to external diffusion is upward more than face gas The kinetic energy that corner 7 is spread, gathers so 7 space of upper corner does not have gas;
IV promotes forward with work, and first installing new fixation pillar 5 in 7 space of upper corner that will be extended is supported on top Between plate 12 and bottom plate 13, fixed pillar 5 divides individually to arrange or multiple arrangements, and fixed pillar 5 is arranged in 7 upper zone of upper corner Domain, central region, lower area and its position that they are mutually combined, new 5 top of fixation pillar close to upper corner 7 this New air water vortex generating means 4 is fixed in side, it is enable to be sprayed with 30 degree to 45 degree positive pitch directions to the new position of top plate 12 Outlet water atomization scroll fluid, new fixation pillar 5 flow to direction along main airstream 11 towards 9 one side of working face wall and install newly Distinguished and admirable be oriented to overflows baffle plate 6, after connecting by mode described in I after installing, starts to spray air water atomization scroll fluid so that The scroll fluid can meet multiphase flow aqueous vapor scroll fluid and constantly flow, and the content of 7 gas of upper corner is more and more lower, multiphase flowing water Gas eddy rotary fluid occupies entire 7 space of upper corner, and the kinetic energy of aqueous vapor scroll fluid to external diffusion is upward more than face gas The kinetic energy that corner 7 is spread, 7 space of upper corner does not have gas and gathers;Subsequent intelligent controller 3 is turned off old air water vortex and is occurred 4 pressure water of device and pressure gas, remove the air water vortex generating means 4 on old fixation pillar 5 and old distinguished and admirable guiding is overflowed Baffle plate 6, so new upper corner 7 can just be promoted with working face, thus moved in circles;Pass through multiphase flow aqueous vapor vortex flow Body constantly flows, and the content of new 7 gas of upper corner is more and more lower, because multiphase flow aqueous vapor scroll fluid occupies entirely upper corner 7 space of angle, aqueous vapor scroll fluid are more than the kinetic energy that is spread to upper corner 7 of face gas to the kinetic energy of external diffusion, or more corner 7 space of angle does not have gas and gathers, so avoid due to 7 gas of upper corner it is out of control caused by malignant event generation.
A kind of device and application process that colliery gas at upper corner is administered based on aqueous vapor scroll fluid of the present invention, advantage are existed It is then a kind of that liquid phase is mixed to generation with two kinds of completely different fluids of physical property of gas phase is a kind of controllable in density, pressure Power, flow velocity and flowable state etc. multiphase flow aqueous vapor completely different with former flow morphology are vortexed, which is revolved with gas eddy, water It is vortex operation form that vortex, aqueous vapor, which are combined and be vortexed, using vorticity as main form of energy, is revolved by gas eddy, the eddies of water revolves, aqueous vapor knot It closes to be vortexed and transfers vorticity to the methane gas of free state and sorption state, do eddying motion together, be main airstream junction The gas of eddying motion is done as vorticity can decline, constantly overflow and runs dilution discharge with main airstream, passes through multiphase flow aqueous vapor Scroll fluid constantly flows, and the content of gas at upper corner is more and more lower, since multiphase flow aqueous vapor scroll fluid is occupied on entire Corner space, due to kinetic energy from aqueous vapor scroll fluid to external diffusion be more than face gas diffusion kinetic energy, so upper corner is empty Between do not have gas and gather, avoid due to gas at upper corner it is out of control caused by malignant event generation, application prospect and meaning are non- Chang Chong great.The present invention is simple and reliable, easy to operate, can it is reliable in time, thoroughly, efficiently, do not cause secondary pollution.
Description of the drawings
Fig. 1 is the application schematic diagram for the device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid
1st, pressure water route 2, pressure gas circuit 3, intelligent controller 4, air water vortex generating means 5, fixed pillar wind 6, conductance To spilling baffle plate 7, upper corner 8, goaf
9th, working face wall 10, coal working face 11, main airstream 12, top plate
13rd, bottom plate.
Specific embodiment:
Embodiment 1
It is a kind of based on aqueous vapor scroll fluid administer colliery gas at upper corner device, the device by pressure water route 1, pressure gas circuit 2, Intelligent controller 3, air water vortex generating means 4, fixed pillar 5, it is distinguished and admirable be oriented to overflow baffle plate 6, upper corner 7, goaf 8, Working face wall 9, coal working face 10, main airstream 11, top plate 12 and bottom plate 13 form, 2 conduct of pressure water route 1 and pressure gas circuit The power source of air water atomising device, their working pressure range are 0.6Mpa, and dosage volume ratio is 1:0.05, air water, which is vortexed, to be sent out Generating apparatus 4 is connected to pressure water route 1 and pressure gas circuit 2 by intelligent controller 3, and fixed pillar 5 is supported on 12 He of top plate Between bottom plate 13, fixed pillar 5 is individually arrangement, and fixed pillar 5 is arranged in 7 upper area of upper corner, on fixed 5 top of pillar Air water vortex generating means 4 is fixed close to this one side of upper corner 7, it is made to be sprayed with 45 degree of positive pitch directions to 12 position of top plate Air water is atomized scroll fluid, and fixed pillar 5 flows to distinguished and admirable be oriented to of direction installation along main airstream 11 towards 9 one side of working face wall and overflows Go out baffle plate 6.
A kind of application process of above-mentioned device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid:
I installs fixed pillar 5 first in working face is supported between top plate 12 and bottom plate 13, and fixed pillar 5 is individually arrangement, Fixed pillar 5 is arranged in 7 upper area of upper corner, and air water vortex hair is fixed close to this one side of upper corner 7 on fixed 5 top of pillar Generating apparatus 4 enables it to spray air water atomization scroll fluid, fixed pillar 5 with the position of 45 degree of positive pitch directions to top plates 12 Distinguished and admirable be oriented to of direction installation is flowed to along main airstream 11 overflow baffle plate 6 towards 9 one side of working face wall;
II install after by pressure water and pressure air is opened to pressure water route 1 and pressure gas circuit 2 respectively, in intelligent controller 3 Under control, pressure water and pressure air enter air water vortex generating means 4, are exported in air water vortex generating means 4 to top plate 12 Aqueous vapor scroll fluid is sprayed, according to the volume of distance and upper corner 7 of the air water vortex generating means 4 away from top plate 12, intelligence is controlled Device 3 processed is generated gas eddy rotation, eddies of water whirlpool, aqueous vapor combination vortex flow by the pressure and flow of control pressure water and pressure air Body;
III passes through energy transmission mode and gas combination structure first by gas eddy rotation, eddies of water whirlpool and the aqueous vapor of II generation with reference to being vortexed It is vortexed into gas, through gas vortex nucleus formation step by step, gas vortex is run to flows to the distinguished and admirable guiding in junction with main airstream 11 Overflow baffle plate 6, it is distinguished and admirable be oriented to overflow baffle plate 6 first act as so that main airstream 11 rinse coal working face 10 after carry watt This main airstream 11 flows to so that the turbid wind spread in goaf 8 can also pass through upper corner 7 and be flowed into main airstream 11 To the distinguished and admirable spilling baffle plate 6 second that is oriented to is act as so that continuously vortex flow causes colliery gas at upper corner to overflow It is diluted and is discharged into main airstream 11;Secondly, upper corner 7 is riddled by scroll fluid flowing, since scroll fluid connects Continuous constantly flowing and distinguished and admirable be oriented to overflow 6 guiding role of baffle plate, and distinguished and admirable be oriented to overflows baffle plate 6 close to 7 one side of upper corner Scroll fluid flowing kinetic energy is more than the distinguished and admirable energy for being oriented to and overflowing main airstream 11 of the baffle plate 6 close to 9 one side of working face wall, makes It obtains this restriction space of upper corner 7 and does not generate gas aggregation phenomenon;As gas is combined with main airstream 11, and with main airstream 11 1 Flowing is played, such gas just realizes safety dumping with gaseous form;
Revolved by gas eddy, eddies of water whirlpool, aqueous vapor combine be vortexed with gas be bonded gas vortex, gas vortex run to and main wind Stream 11 flows to distinguished and admirable be oriented in junction and overflows baffle plate 6, and gas vortex is combined with the mineral in 11 space of main airstream, and with master Distinguished and admirable 11 Minerals flow together, such gas just with solid combination realize safety dumping;Aqueous vapor vortex passes through gas Vortex, eddies of water whirlpool, aqueous vapor combine to be vortexed is bonded gas vortex with gas, and gas vortex is run to be flowed to main airstream 11 Distinguished and admirable be oriented in junction overflows baffle plate 6, and gas vortex is combined with liquid object in main airstream 11, and with liquid in main airstream 11 Object flows together, such gas just with liquid object combination realize safety dumping;By multiphase flow aqueous vapor scroll fluid not Cutout is dynamic, and the content of 7 gas of upper corner is more and more lower, since multiphase flow aqueous vapor scroll fluid occupies entire 7 space of upper corner, Since aqueous vapor scroll fluid to the kinetic energy of external diffusion is more than the kinetic energy that spread to upper corner 7 of face gas, so 7 sky of upper corner Between do not have gas and gather;
IV promotes forward with work, and first installing new fixation pillar 5 in 7 space of upper corner that will be extended is supported on top Between plate 12 and bottom plate 13, fixed pillar 5 is individually arrangement, and fixed pillar 5 is arranged in 7 upper area of upper corner, consolidates in new Determine 5 top of pillar and new air water vortex generating means 4 is fixed close to this one side of upper corner 7, make it with 45 degree of positive pitch directions The position new to top plate 12 can spray air water atomization scroll fluid, and new fixation pillar 5 is towards 9 one side of working face wall along main wind Stream 11 flows to the new distinguished and admirable guiding of direction installation and overflows baffle plate 6, after connecting by mode described in I after installing, starts to spray Air water is atomized scroll fluid so that the scroll fluid can meet multiphase flow aqueous vapor scroll fluid and constantly flow, 7 gas of upper corner Content is more and more lower, and multiphase flow aqueous vapor scroll fluid occupies entire 7 space of upper corner, and aqueous vapor scroll fluid is moved to external diffusion The kinetic energy that face gas is spread to upper corner 7 can be more than, 7 space of upper corner does not have gas and gathers;Subsequent intelligent controller 3 Turn off old 4 pressure water of air water vortex generating means and pressure gas, remove the air water vortex generating means on old fixation pillar 5 4 and old distinguished and admirable guiding overflow baffle plate 6, so new upper corner 7 can just promote with working face, thus move in circles; It is constantly flowed by multiphase flow aqueous vapor scroll fluid, the content of new 7 gas of upper corner is more and more lower, because multiphase flow aqueous vapor whirlpool Rotary fluid occupies entire 7 space of upper corner, and aqueous vapor scroll fluid is more than face gas to upper corner 7 to the kinetic energy of external diffusion The kinetic energy of diffusion gathers so 7 space of upper corner does not have gas, so avoid due to 7 gas of upper corner it is out of control caused by The generation of malignant event.
Fixed pillar 5 is arranged in 7 upper area of upper corner, and fixed pillar 5 is supported between top plate 12 and bottom plate 13, in fixed branch Air water vortex generating means 4 is fixed in 5 top of column close to this one side of upper corner 7, makes it with 45 degree of positive pitch directions to top plate 12 Position sprays air water atomization scroll fluid, and fixed pillar 5 flows to direction installation wind towards 9 one side of working face wall along main airstream 11 Conductance to overflow baffle plate 6.
Embodiment 2
Operating pressure is 0.2Mpa, and dosage volume ratio is 1:0.001, fixed pillar 5 is individually arrangement, on fixed 5 top of pillar Air water vortex generating means 4 is fixed close to this one side of upper corner 7, it is made to be sprayed with 30 degree of positive pitch directions to 12 position of top plate Air water is atomized scroll fluid, and fixed pillar 5 is arranged in 7 middle part of upper corner, other same embodiments 1.
Embodiment 3
Operating pressure is 0.5Mpa, and dosage volume ratio is 1:0.03, fixed pillar 5 is individually arrangement, is leaned on fixed 5 top of pillar Air water vortex generating means 4 is fixed in nearly this one side of upper corner 7, it is made to spray gas to 12 position of top plate with 35 degree of positive pitch directions Water atomization scroll fluid, fixed pillar 5 are arranged in 7 lower part of upper corner, other same embodiments 1.
Embodiment 4
Operating pressure is 0.5Mpa, and dosage volume ratio is 1:0.03, fixed pillar 5 is multiple arrangements, is leaned on fixed 5 top of pillar Air water vortex generating means 4 is fixed in nearly this one side of upper corner 7, it is made to spray gas to 12 position of top plate with 35 degree of positive pitch directions Water atomization scroll fluid, fixed pillar 5 are arranged in 7 upper and lower part of upper corner, other same embodiments 1.
Embodiment 5
Operating pressure is 0.5Mpa, and dosage volume ratio is 1:0.02, fixed pillar 5 is multiple arrangements, is leaned on fixed 5 top of pillar Air water vortex generating means 4 is fixed in nearly this one side of upper corner 7, it is made to spray gas to 12 position of top plate with 45 degree of positive pitch directions Water atomization scroll fluid, fixed pillar 5 are respectively arranged 7 upper, middle and lower portion of upper corner, other same embodiments 1.
Embodiment 6
Operating pressure is 0.5Mpa, and dosage volume ratio is 1:0.02, fixed pillar 5 is multiple arrangements, is leaned on fixed 5 top of pillar Air water vortex generating means 4 is fixed in nearly this one side of upper corner 7, it is made to spray gas to 12 position of top plate with 45 degree of positive pitch directions Water atomization scroll fluid, fixed pillar 5 is respectively arranged in upper corner 7, lower part, other same embodiments 1.

Claims (1)

1. a kind of device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid, it is characterised in that be a kind of by liquid phase and gas The fluid mixing that two kinds of physical properties of phase are completely different generates a kind of multiphase flow aqueous vapor scroll fluid, and the fluid is made to riddle coal Ore deposit upper corner is spilt into main airstream by continuously vortex flow colliery gas at upper corner and is diluted and arranged It puts either to combine with liquid particles and consolidates object with colliery mineral or other liquid and discharge;And it is filled by scroll fluid flowing Full to cause the device that methane accumulation is generated in this space in colliery upper corner, the device is by pressure water route(1), pressure gas Road(2), intelligent controller(3), air water vortex generating means(4), fixed pillar(5), it is distinguished and admirable be oriented to overflow baffle plate(6), on Corner(7), goaf(8), working face wall(9), coal working face(10), main airstream(11), top plate(12)And bottom plate(13) Composition, pressure water route(1)With pressure gas circuit(2)As the power source of air water atomising device, their working pressure range is 0.2-0.6Mpa, dosage volume ratio are 1:0.05-0.001, air water vortex generating means(4)Pass through intelligent controller(3)Respectively It is connected to pressure water route(1)With pressure gas circuit(2), fixed pillar(5)It is supported on top plate(12)And bottom plate(13)Between, fixed branch Column(5)It is divided into individually arrangement or multiple arrangements, fixed pillar(5)It is arranged in upper corner(7)Upper area, central region, lower part Region and its position that they are mutually combined, in fixed pillar(5)Top is close to upper corner(7)Air water vortex hair is fixed in this one side Generating apparatus(4), make it with 30--45 degree positive pitch directions to top plate(12)Position sprays air water atomization scroll fluid, fixed branch Column(5)Distinguished and admirable be oriented to of direction installation is flowed to along main airstream (11) overflow baffle plate (6) towards working face wall (9) one side.
CN201711460763.4A 2017-12-28 2017-12-28 Device for treating gas at upper corner of coal mine based on water-gas vortex fluid Active CN108087019B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711460763.4A CN108087019B (en) 2017-12-28 2017-12-28 Device for treating gas at upper corner of coal mine based on water-gas vortex fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711460763.4A CN108087019B (en) 2017-12-28 2017-12-28 Device for treating gas at upper corner of coal mine based on water-gas vortex fluid

Publications (2)

Publication Number Publication Date
CN108087019A true CN108087019A (en) 2018-05-29
CN108087019B CN108087019B (en) 2020-01-03

Family

ID=62180864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711460763.4A Active CN108087019B (en) 2017-12-28 2017-12-28 Device for treating gas at upper corner of coal mine based on water-gas vortex fluid

Country Status (1)

Country Link
CN (1) CN108087019B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112588096A (en) * 2020-11-05 2021-04-02 太原理工大学 Device for treating hydrogen sulfide gas on underground coal mining production working face by gas atomization alkaline fluid

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3222976A1 (en) * 1982-06-19 1983-12-22 Ruhrkohle Ag, 4300 Essen Method of drawing off explosive gas-air mixtures from hollow spaces and arrangement for carrying out the method
UA99241C2 (en) * 2011-11-03 2012-07-25 Приватне Акціонерне Товариство "Донецьксталь" - Металургійний Завод" Method and apparatus for removing individual components from a gas mixture (embodiments)
CN204371408U (en) * 2014-12-23 2015-06-03 陈华瑞 The quick-fried device of automatic dustfall control
CN205315031U (en) * 2016-01-08 2016-06-15 河南理工大学 Colliery is upper corner gas ventilation unit in pit
CN206053982U (en) * 2016-10-09 2017-03-29 闫亚鹏 A kind of mining air -flow ejector
CN206753647U (en) * 2017-04-15 2017-12-15 安阳市思菲特矿用设备有限公司 Mining gas at upper corner cleaning plant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3222976A1 (en) * 1982-06-19 1983-12-22 Ruhrkohle Ag, 4300 Essen Method of drawing off explosive gas-air mixtures from hollow spaces and arrangement for carrying out the method
UA99241C2 (en) * 2011-11-03 2012-07-25 Приватне Акціонерне Товариство "Донецьксталь" - Металургійний Завод" Method and apparatus for removing individual components from a gas mixture (embodiments)
CN204371408U (en) * 2014-12-23 2015-06-03 陈华瑞 The quick-fried device of automatic dustfall control
CN205315031U (en) * 2016-01-08 2016-06-15 河南理工大学 Colliery is upper corner gas ventilation unit in pit
CN206053982U (en) * 2016-10-09 2017-03-29 闫亚鹏 A kind of mining air -flow ejector
CN206753647U (en) * 2017-04-15 2017-12-15 安阳市思菲特矿用设备有限公司 Mining gas at upper corner cleaning plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112588096A (en) * 2020-11-05 2021-04-02 太原理工大学 Device for treating hydrogen sulfide gas on underground coal mining production working face by gas atomization alkaline fluid
CN112588096B (en) * 2020-11-05 2023-02-21 太原理工大学 Device for treating hydrogen sulfide gas on underground coal mining production working face by gas atomization alkaline fluid

Also Published As

Publication number Publication date
CN108087019B (en) 2020-01-03

Similar Documents

Publication Publication Date Title
Zhou et al. Coal dust suppression based on water mediums: A review of technologies and influencing factors
Xiu et al. Numerical simulation study on the coupling mechanism of composite-source airflow–dust field in a fully mechanized caving face
Wang et al. Application of foam to suppress rock dust in a large cross-section rock roadway driven with roadheader
CN108180034A (en) A kind of application process that coal mine gas at upper corner is administered based on aqueous vapor scroll fluid
Xie et al. Review and prospect the development of dust suppression technology and influencing factors for blasting construction
CN103912277A (en) High-efficiency dust fall device and method of underground coal mine fully-mechanized excavating tunnel
CN105863720A (en) Mining bubble atomization water mist dust settling device
CN105971663A (en) Drill hole arrangement structure and permeability-increasing method for coal seam high-pressure waterpower slotted fracturing
AU2014339585A1 (en) Curing foam fluid generation device for preventing and extinguishing fire in coal mine
CN108087019A (en) A kind of device that colliery gas at upper corner is administered based on aqueous vapor scroll fluid
Nie et al. Research on air curtain dust control technology for environmental protection at fully mechanized working faces
CN203463049U (en) Dust-settling device for wind deslagging drilling in underground coal mine
Nie et al. Study on dust pollution suppression of mine wind-assisted spray device based on orthogonal test and CFD simulation
CN207847676U (en) A kind of high prominent U-shaped ventilating system of mine coal-cutting working face
Nie et al. Design and application of a dust suppression technology of the forcing air curtain in fully mechanized rock tunnelling faces
CN1438405A (en) Method for preventing coal-mine underground gas and coal-dust from explosion
CN103114861B (en) Wet-stirring hydraulic concrete jetting machine for coal mines
CN104975857A (en) Full well work area section non-pillar goaf-side-drift-free coal mining method
Zhou et al. Study on coupling diffusion of composite dust and cloud-mist dedust technology in fully mechanized driving face of mixed coal-rock roadway
CN208100770U (en) A kind of filling slurry preparation facilities
Jin et al. Research on wet-type swirl dust collection technology and its application in underground excavation tunnels
CN1417451A (en) Triphase foam generator for preventing and treating spontaneous coal combustion
CN111396117B (en) Method for achieving dust settling through linkage of liquid nitrogen mist and fine water mist on fully mechanized excavation face
CN109058180B (en) Gas jet limit imbibition method
CN107387152A (en) A kind of fully mechanized workface ladder subzone of atomization dust pelletizing system

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
CB03 Change of inventor or designer information

Inventor after: Guo Jianzhu

Inventor after: Shao He

Inventor after: He Yan

Inventor after: Shen Jixiong

Inventor before: Guo Jianzhu

Inventor before: He Yan

Inventor before: Shen Jixiong

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant