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 PDFInfo
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- 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
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- gas
- upper corner
- scroll fluid
- colliery
- aqueous vapor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods 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
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.
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Cited By (1)
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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 |
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