CN108194123B - A kind of dust removing down-hole of coal mine device and dust removal method - Google Patents
A kind of dust removing down-hole of coal mine device and dust removal method Download PDFInfo
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- CN108194123B CN108194123B CN201810148640.5A CN201810148640A CN108194123B CN 108194123 B CN108194123 B CN 108194123B CN 201810148640 A CN201810148640 A CN 201810148640A CN 108194123 B CN108194123 B CN 108194123B
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- 239000000428 dust Substances 0.000 title claims abstract description 114
- 239000003245 coal Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 10
- 238000002156 mixing Methods 0.000 claims abstract description 50
- 239000007921 spray Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 238000000151 deposition Methods 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 230000001939 inductive effect Effects 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 8
- 230000036651 mood Effects 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 4
- 241001075561 Fioria Species 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A kind of dust removing down-hole of coal mine device, belongs to dust removal field.It include: injector, pneumatic fan, mixing drum, dirt pocket, filter polygon cylinder, downstream chamber, mobile bracket, it is carried out using distinguished and admirable from air flow inlet and pressure wind entrance, drive pneumatic fan rotation, the jet of Dry-fog spray nozzle, injector jet, water flow connects with Dry-fog spray nozzle, by gas-liquid mixed in pneumatic fan, it is formed in mixing drum and dirt pocket spraying, by waste air out of extraneous inspiration cylinder, the air-flow in injector is from bleed ports injection waste air to dirt pocket simultaneously, pass through the absorption depositing dust of dry fog, the dedusting of polygon wire side cartridge filter, air after dedusting enters downstream chamber by cartridge outlet and is finally discharged into tunnel, filter cylinder starts simultaneously at rotation when distinguished and admirable entrance, make to be attached to the online grit of filter cylinder and fall into and unloads in dirt slot and dust mouth discharge.Its high dust collection efficiency, it is small in size, it is easy to operate, it moves, thoroughly to respirable dust processing, structure is simple, and dedusting is at low cost.
Description
Technical field
The present invention relates to a kind of dust-extraction unit and dust removal method, it is particularly suitable for the mine underground dust removal used when underground mining
Device and dust removal method.
Background technique
Mine Dust is one of the disaster of underground coal mine exploitation, and during driving or exploitation, dust is bigger, it is seen that
Degree is lower, impacts to worker operation, is easy to happen operation error, leads to industrial accident.Meanwhile the presence of dust, it can add
The abrasion of fast bearing and gear apparatus, occluding device pollute hydraulic oil and lubricating oil, reduce the service life of equipment, increase is set
Standby maintenance cost.And the respirable dust generated in recovery process often suffers from operator there is a great harm for human health
Upper pneumoconiosis.And when dust concentration reaches 35mg/m3When, when meeting enough fire ignition energies, coal-dust explosion will occur, make
The loss of Cheng Geng great.Therefore, eliminate Mine Dust, for maintenance mechanical equipment operate normally, ensure practitioner's life and health,
The generation prevented accident is particularly significant.
The dust removal method of current underground coal mine mainly has atomizing de-dusting, wind-force dedusting, filter bag dedusting etc..Atomizing de-dusting partial size
Greatly, and working space is limited, and efficiency of dust collection is not high, and the respirable dust processing done great harm to human body is not thorough；Filter bag dedusting
Although the dust removing effects to respirable dust are fine, it is limited to lane space, exists simultaneously the problem of deashing；And pass through increasing
The mode of air quantity can play diluting effect to dust-laden waste air, but effect is not obvious, and compressed air and power limit,
Air quantity is improved to be difficult.
Summary of the invention
Technical problem: the above-mentioned technology ability shortcoming of face provides a kind of high dust collection efficiency, small in size, easy to operate, can
Mobile, thoroughly to respirable dust processing, structure is simple, and dedusting is at low cost, can apply the underground coal mine in development end dedusting
Dust-extraction unit and dust removal method.
Technical solution: to realize the above-mentioned technical purpose, dust removing down-hole of coal mine device of the invention includes air inducing part, dedusting
Part and exit portion, the setting of air inducing part are arranged in dust removal part front end, exit portion in dust removal part rear end, wherein dedusting
Part and exit portion are linked together, and are equipped with mobile bracket below air inducing part and dust removal part；
The air inducing part includes: the injector being laterally arranged, pneumatic fan, mixing drum and Dry-fog spray nozzle, wherein injection
Device and pneumatic fan are arranged side by side, and injector and pneumatic fan are connected with mixing drum front end respectively, mix tube rear end and dedusting
Part is connected；Injector includes injecting chamber, and injecting chamber front end is equipped with pressure wind entrance, and injecting chamber is equipped with the loudspeaker towards front end
Shaped opening bleed ports, injecting chamber rear are connected with mixing chamber by reducing pipe, and mixing chamber rear end is equipped with the expansion that radius is gradually expanded
Raw edge, diffusing opening are arranged in mixing drum；It include fan blade and blower rack in pneumatic fan, blower rack is equipped with dry fog
Nozzle, Dry-fog spray nozzle are equipped with pneumatic fan gas outlet and flow inlet, are equipped with below pneumatic fan and extract with air line
Sebific duct connection air flow inlet；
The dust removal part includes: dirt pocket, and polygon wire side cartridge filter unloads dirt slot, dust mouth；The dirt pocket is column
The hollow barrel structure of shape, the head of dirt pocket match connection with mixing drum, and the tail portion of dirt pocket is connected with exit portion, dirt pocket
Dirt slot is unloaded equipped with what is be obliquely installed in lower section, unloads dirt trench bottom equipped with dust mouth, the polygon wire side cartridge filter is arranged in dedusting
Interior, polygon wire side cartridge filter tail portion are connected with exit portion；
The exit portion includes: downstream chamber and outlet mesh；Downstream chamber is pre-small post-large horn structure, before downstream chamber
End is connected with polygon wire side cartridge filter tail portion, is the air stream outlet of polygon wire side cartridge filter, and outlet mesh setting is going out
On mouth room；
The mobile bracket is above-mentioned and has the height-adjusting knob for adjusting mobile support height.
The polygon wire side cartridge filter includes flat filter net, hemisphere face filter screen, cartridge axis, support sleeve, support
Bar, rotating vane, filter grid；Wherein cartridge axis is fixed on dirt pocket outlet wall by more axis support rods, plane mistake
Strainer is fixed on above support sleeve by support rod, support sleeve is equipped between cartridge axis and more support rods, on filter screen
Equipped with multiple filter grids, filter screen head is equipped with hemisphere face filter screen, and polygon wire side cartridge filter tail portion is dirt pocket outlet,
Cartridge outlet rear portion does not set strainer.
The surface folding of the filter screen of polygon wire side cartridge filter rises and falls, entire flat filter net and hemisphere face filter screen net
Lattice size and the filter screen number of plies are determined by the way that dust removal requirement and air force are comprehensive, are tiltedly installed in flat filter net outer surface
3 rows, Zong Gongshe is arranged around the setting of 90 degree of cartridge axis interval, entire cylinder surface in a plurality of rotating vane, a plurality of rotating vane
12 rotating vanes are set, a plurality of rotating vane will drive entire polygon wire side cartridge filter and revolve around cartridge axis under the action of air-flow
Turn.
Air flow inlet and pressure wind entrance connects with air line uses sebific duct connection, same water supply pipe and Dry-fog spray nozzle
Flow inlet also uses sebific duct to connect, and is provided with regulating valve and pressure flow valve on sebific duct, pressure flow valve can instant playback it is logical
The flow and pressure for crossing sebific duct are input to the gas of device and the pressure and flow of water flow by adjusting regulating valve to control.
It is welded to connect between pneumatic fan and mixing drum, mixing drum and pneumatic fan are welded on mobile bracket, mobile branch
Height-adjusting knob on frame is adjusted by way of perforation, and mobile rack leg has isometrical circular hole every certain altitude, is led to
The circular hole for overregulating different location is aligned and inserted into button to adjust height.
Dirt pocket bottom be one it is inclined to the lower part unload dirt slot, unload dirt groove depth and tilt angle can be glided according to grit it is difficult
Degree determines that unloading dirt slot port is dust mouth, can freely skid off along dirt slot is unloaded when Dust Capacity is accumulated to a certain extent.
Air inducing part and dust removal part are connected by buckling, and it is mixing drum that mouth, which connects front end, and it is dedusting that mouth, which connects rear portion,
Room import.
A kind of dust removal method of dust removing down-hole of coal mine device, steps are as follows:
A passes through buckle first and connects the air inducing part of dust-extraction unit and dust removal part, by what is drawn from air line
Two sebific ducts are connected through a screw thread with air flow inlet and pressure wind entrance respectively, and the sebific duct that downhole water supply pipeline is drawn is passed through spiral shell
Line connects the flow inlet of Dry-fog spray nozzle；
B adjusts the regulating valve on each sebific duct, adjusts the pressure of air-flow and water flow, and high-speed flow passes through sebific duct from injector
After pressing wind entrance to enter, negative pressure is formed in injecting chamber, the negative pressure of injecting chamber, which brings the dust laden air outside tubaeform bleed ports into, draws
Room is penetrated, by further speeding up with the pressure general mood stream entered from pressure wind entrance in reducing pipe, makes dust-laden subsequently into mixing chamber
Air and pressure general mood stream, finally spray from diffusing opening and enter in mixing drum；Air-flow enters pneumatic fan and drives fan leaf rotation,
Dusty gas is sucked into deduster, air-flow is flowed by entering Dry-fog spray nozzle from air stream outlet after blower with from Dry-fog spray nozzle water
Mouthful water flow entered be mixed to form it is spraying, in spray injection to mixing drum and dirt pocket, to being sucked from injector and pneumatic fan
The dusty gas of sucking adsorbs depositing dust；
The dust-laden wind circulation of c sucking crosses mixing drum and enters dirt pocket, the grit that 30 μm of partial size > under the action of spraying from
By falling, falling on the bottom of dirt pocket or being attached on the strainer of polygon wire side cartridge filter, the grit quilt of partial size≤30 μm
Attachment intercept on the strainer of filter cylinder, while the rotating vane of polygon filter cylinder outer surface driven under the distinguished and admirable promotion of dust-laden it is more
The rotation of side shape filter cylinder, when polygon wire side cartridge filter rotates, the intercepted grit being attached on strainer is in centrifugal force and gravity
Dirt pocket bottom is fallen under effect, under gravity when the grit for falling to dirt pocket bottom, which is accumulated, reaches a certain amount of
It is last to be discharged from dust mouth along unloading dirt slot along gradually sliding into the unloading in dirt slot of centre；
Dust-laden of the d by the filtering of polygon wire side cartridge filter is distinguished and admirable to enter downstream chamber, downstream chamber from polygon cartridge outlet
The mouth strainer of rear portion setting, by the dust-laden of filtering it is distinguished and admirable in extra moisture and the interception of thinner grit stay in it is online, it is final by
The cleaned air for eliminating grit is transported in tunnel from downstream chamber.
Beneficial effect, dust-extraction unit of the invention can be using the air-flows of the air line of underground as the dynamic of entire deduster
Power, using the water flow of water supply pipe as the water flow of Dry-fog spray nozzle, distinguished and admirable drive pneumatic fan operating inspiration waste air and injector
Injection dust-laden waste air, the dry fog that then Dry-fog spray nozzle generates play the role of the grit in air to adsorb depositing dust, and grit is into one
Stream enters dirt pocket to step with the wind, and the biggish grit of particle lands in dirt pocket, and the dust not landed continues to filter in polygon
Online attachment and interception, are then entered inside polygon wire side cartridge filter by filtered air by strainer, by polygon
Wire side filter cartridge outlet, dirt pocket outlet enter downstream chamber.While distinguished and admirable entrance dirt pocket, outside polygon wire side cartridge filter
The rotating vane in portion drives filter cylinder to rotate around cartridge axis, and the grit being attached on strainer falls to dedusting due to centrifugal force and gravity
The bottom of room, the grit of dirt pocket bottom accumulation, which is slipped to, to be unloaded in dirt slot, is filled finally along dirt slot is unloaded from dust removal port discharge dedusting
It sets.Into downstream chamber cleaned air in outlet mesh by further filtering, by moisture more in air and thinner
Grit further stays on the net, and then cleaned air is discharged in air from outlet mesh, so as to complete the dedusting of air, obtains
The clean and suitable air of humidity.
Advantage: dust-extraction unit of the invention have it is small in size, light-weight, easy to remove, high dust collection efficiency utilizes underground
Air line and water supply pipe, strong applicability are at low cost.
(1) pressure provided using the air line of underground is sucked waste air as the power of pneumatic fan and injector mixed
It closes in cylinder, while the exit gas after using using pneumatic fan is as working fluid and the water flow shape of water supply pipe offer
At by spraying, strong applicability greatly reduces cost.
(2) combination of pneumatic fan and injector makes absorbing quantity be able to satisfy most middle-size and small-size coal mine evacuation working faces
The requirement of dirty wind disposal amount, while the Dry-fog spray nozzle in blower fan cylinder also adsorbs the effect of depositing dust to dust laden air, draws in satisfaction
It is thorough to respirable dust processing while air quantity function.
(3) polygon wire side cartridge filter plays the role of attachment to grit and intercepts, at the same outlet mesh again to moisture and
Grit is filtered, high dust collection efficiency, can obtain the cleaned air of suitable humidity.
(4) there is rotating vane on polygon filter cylinder, do not need to be additionally provided power, it can drive while waste air enters
Cylinder rotation, the gravity of the centrifugal force and grit itself that generate by rotation remove the grit being attached on strainer, reduce dynamic
The program of power and strainer deashing.
(5) the dirt slot that unloads of lower part setting forms dirt water mixed flow by grit and the excessive moisture generated by spraying and grit
Body slides along dirt slot is unloaded by fluid self gravity, is finally discharged from dust mouth, keeps deashing convenient.
(6) entire dedusting blower unit is small in size, and light-weight, air inducing part and dust removal part are located at two mobile brackets
On, two parts can be divided by opening buckle when being not easy to move integrally and be individually moved, then finally reach place to use
When remerge together.There is height-adjusting knob on bracket simultaneously, the position that can be generated according to dust adjusts entire dust-extraction unit
Height and angle, to reach better dust removing effects.
(7) entire dust-extraction unit is made of metallic conductor, using pressure wind air as power, electrostatic is not generated, in coal mine
Underground uses safe.And device is easy to operate, convenient disassembly, and durability is good, is easy to worker operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dust removing down-hole of coal mine device of the present invention.
Fig. 2 is the polygon wire side cartridge structure schematic diagram of dust removing down-hole of coal mine device of the present invention.
Fig. 3 is the sectional view of the filter cylinder upper filter screen of dust removing down-hole of coal mine device of the present invention.
Flow graph Fig. 4 distinguished and admirable when being dust removing down-hole of coal mine device of the present invention work.
Fig. 5 is the A-A direction view of dust removing down-hole of coal mine device Fig. 3 filter cylinder upper filter screen of the present invention.
Fig. 6 is B-B direction view in dust removing down-hole of coal mine device Fig. 3 filter cylinder upper filter screen of the present invention.
In figure: 1, injector；1-1, pressure wind entrance；1-2, injecting chamber；1-3, bleed ports；1-4, reducing pipe；1-5, mixing
Room；1-6, diffusing opening；2, pneumatic fan；2-1, air flow inlet；2-2, air stream outlet；3, mixing drum；4, Dry-fog spray nozzle；4-1, water
Inflow entrance；5, dirt pocket；5-1, axis support rod；6, polygon wire side cartridge filter；6-1, flat filter net；6-2, hemisphere face filtering
Net；6-3, cartridge axis；6-4, support sleeve；6-5, support rod；6-6, rotating vane；6-7, filter grid；7, dirt slot is unloaded；8, go out
Dirt mouth；9, downstream chamber；9-1, outlet strainer；10, mobile bracket；11, height-adjusting knob；12, it buckles；13, sebific duct；14, it adjusts
Valve；15, head flowmeter.
Specific embodiment
One embodiment of the present of invention is further described with reference to the accompanying drawing:
As shown in Figure 1, dust removing down-hole of coal mine device of the invention, it includes air inducing part, dust removal part and exit portion,
The setting of air inducing part is in dust removal part front end, and exit portion setting is in dust removal part rear end, wherein dust removal part and exit portion
It is linked together, is equipped with mobile bracket 10 below air inducing part and dust removal part；
The air inducing part includes: the injector 1 being laterally arranged, pneumatic fan 2, mixing drum 3 and Dry-fog spray nozzle 4, wherein
Injector 1 and pneumatic fan 2 are arranged side by side, and injector 1 and pneumatic fan 2 are connected with 3 front end of mixing drum respectively, mixing drum 3
Rear end is connected with dust removal part；Injector 1 includes injecting chamber 1-2, and the front end injecting chamber 1-2 is equipped with pressure wind entrance 1-1, injecting chamber
1-2 is equipped with the flare openings bleed ports 1-3 towards front end, and the rear injecting chamber 1-2 is connected with mixing chamber by reducing pipe 1-4
1-5, the rear end mixing chamber 1-5 are equipped with the diffusing opening 1-6 that radius is gradually expanded, and diffusing opening 1-6 is arranged in mixing drum 3；Aerodynamic wind
It include fan blade and blower rack in machine 2, blower rack is equipped with Dry-fog spray nozzle 4, and Dry-fog spray nozzle 4 goes out equipped with pneumatic fan
Port 2-2 and flow inlet 4-1 is equipped with the air flow inlet connecting with the sebific duct 13 that air line extracts below pneumatic fan 2
2-1；Air flow inlet 2-1 and pressure wind entrance 1-1 are connect with air line and are connected using sebific duct 13, and same water supply pipe and dry fog spray
The flow inlet 4-1 of mouth also uses sebific duct 13 to connect, and is provided with regulating valve 14 and head flowmeter 15, pressure flow on sebific duct 13
Table 15 can instant playback by the flow and pressure of sebific duct, control the gas and water that are input to device by adjusting regulating valve 14
The pressure and flow of stream；
Dust removal part as described in Figure 2 includes: dirt pocket 5, and polygon wire side cartridge filter 6 unloads dirt slot 7, dust mouth 8；It is described
Dirt pocket 5 is cylindrical hollow barrel structure, and the head of dirt pocket 5 matches connection, the tail portion of dirt pocket 5 and outlet portion with mixing drum 3
Split-phase connects, and unloads dirt slot 7 equipped with what is be obliquely installed below dirt pocket 5, unloads 7 bottom of dirt slot equipped with dust mouth 8,5 bottom of dirt pocket
For one it is inclined to the lower part unload dirt slot 7, unloading 7 depth of dirt slot and tilt angle can determine according to grit downslide difficulty, unload 7 end of dirt slot
Mouth is dust mouth 8, can freely be skidded off along dirt slot 7 is unloaded when Dust Capacity is accumulated to a certain extent；Air inducing part and dust removal part are logical
Buckle 12 is crossed to connect, snapping connection 12 front ends is mixing drum 3, and snapping connection 12 rear portions is 7 import of dirt pocket；The polygon
Wire side cartridge filter 6 is arranged in dirt pocket 5, and 6 tail portion of polygon wire side cartridge filter is connected with exit portion；The polygon latticed
Face cartridge filter 6 includes multilayer planar filter screen 6-1, hemisphere face filter screen 6-2, cartridge axis 6-3, support sleeve 6-4, support rod 6-
5, rotating vane 6-6, filter grid 6-7；As shown in figure 5, cartridge axis 6-3 is fixed on dirt pocket by more axis support rod 5-1
On outlet wall, cartridge axis 6-3 and support rod filter screen 6-1 are fixed on above support sleeve 6-4 by support rod 6-5, filter cylinder
Support sleeve 6-4 is equipped between axis 6-3 and more support rod 6-5, as shown in figure 3, filter screen 8-1 is equipped with multiple filter grids
6-7, as shown in fig. 6, the head filter screen 6-1 is equipped with hemisphere face filter screen 6-2,6 tail portion of polygon wire side filter cylinder is that dirt pocket 5 goes out
Mouthful, filter cylinder 6 goes out metastomium and does not set strainer；The surface folding of the filter screen 6-1 of polygon wire side cartridge filter 6 rises and falls, entire to filter
It nets 6-1 size of mesh opening and the filter screen 6-1 number of plies to determine by the way that dust removal requirement and air force are comprehensive, in the outer surface filter screen 6-1
It is tiltedly installed with a plurality of rotating vane 6-6, a plurality of rotating vane 6-6 is around the setting of 90 degree of the interval cartridge axis 6-3, entire cylinder
3 rows are arranged in surface, and 12 rotating vane 6-6 are arranged in total, and a plurality of rotating vane 6-6 will drive entire more under the action of air-flow
Side shape wire side filter cylinder 6 is rotated around filter cylinder 6-3 axis；
The exit portion includes: downstream chamber 9 and outlet mesh 9-1；Downstream chamber 9 is pre-small post-large horn structure, out
Mouth 9 front end of room is connected with 6 tail portion of polygon wire side cartridge filter, is the air stream outlet of polygon wire side cartridge filter 6, outlet mesh
9-1 is arranged in downstream chamber 9；
It being welded to connect between pneumatic fan 2 and mixing drum 3, mixing drum 3 and pneumatic fan 2 are welded on mobile bracket 10,
Height-adjusting knob 11 on mobile bracket 10 is adjusted by way of perforation, and mobile 10 leg of bracket has every certain altitude
The circular hole of diameter, the circular hole by adjusting different location are aligned and inserted into button to adjust height；The mobile bracket 10 it is above-mentioned and
There is the height-adjusting knob 11 for adjusting mobile 10 height of bracket.
As shown in figure 4, a kind of dust removal method of dust removing down-hole of coal mine device, its step are as follows:
A. the air inducing part of dust-extraction unit and dust removal part are connected by buckle 12 first, will be drawn from air line
Two sebific ducts 13 respectively with air flow inlet 2-1 and pressure wind entrance 1-1 be connected through a screw thread, by downhole water supply pipeline draw
Sebific duct 13 is connected through a screw thread the flow inlet 4-1 for connecting Dry-fog spray nozzle；
B. the regulating valve 13 on each sebific duct 13 is adjusted, the pressure of air-flow and water flow is adjusted, high-speed flow passes through sebific duct 13
After injector pressure wind entrance 1-1 entrance, negative pressure is formed in injecting chamber 1-2, the negative pressure of injecting chamber will be outside tubaeform bleed ports 1-3
Dust laden air bring injecting chamber 1-2 into, by with from pressure wind entrance 1-1 enter pressure general mood stream further add in reducing pipe 1-4
Speed is sufficiently mixed dust laden air with pressure general mood stream subsequently into mixing chamber 1-5, finally sprays to enter from diffusing opening 1-6 and mix
It closes in cylinder 3；Air-flow enters pneumatic fan 2 and drives fan leaf rotation, dusty gas is sucked deduster, after air-flow passes through blower
Enter Dry-fog spray nozzle 4 from air stream outlet 2-2, be mixed to form with the water flow entered from the flow inlet 4-1 of Dry-fog spray nozzle 4 by spraying,
In spray injection to mixing drum 3 and dirt pocket 5, drop is adsorbed to the dusty gas sucked from the sucking of injector 1 and pneumatic fan 2
Dirt；
C. the dust-laden wind circulation sucked crosses mixing drum 3 and enters dirt pocket 5, and the grit that 30 μm of partial size > is under the action of spraying
Free-falling falls on the bottom of dirt pocket 5 or is attached on the flat filter strainer 6-1 of polygon wire side cartridge filter 6 and half
Spherical surface filter screen, the grit of partial size≤30 μm are attached to the flat filter net 6-1 and hemisphere face filter screen 6-2 intercepted in filter cylinder 6
On, while the rotating vane 6-6 of 6 outer surface of polygon filter cylinder drives polygon filter cylinder 6 to rotate under the distinguished and admirable promotion of dust-laden, it is more
When side shape filter cylinder 6 rotates, the intercepted grit being attached on flat filter net 6-1 and hemisphere face filter screen 6-2 in centrifugal force and
5 bottom of dirt pocket is fallen under the action of gravity, when the grit for falling to 5 bottom of dirt pocket, which is accumulated, reaches a certain amount of in gravity
Under the action of gradually slide into the unloading in dirt slot 7 of centre along locular wall, it is last to be discharged from dust mouth 8 along unloading dirt slot 7；
D. the dust-laden filtered by polygon wire side cartridge filter 6 is distinguished and admirable to enter downstream chamber 9 from the outlet of polygon filter cylinder 6, out
The outlet strainer 9-1 of mouthful room rear portion setting, by the dust-laden of filtering it is distinguished and admirable in extra moisture and thinner grit intercept and stay in net
On, finally the cleaned air for eliminating grit is transported in tunnel from downstream chamber 9.
Embodiment 1:
Device first has to for dust-extraction unit to be moved to suitable position when running, and air inducing part and dust removal part are passed through card
12 connection of button, by adjusting the height-adjusting knob 11 on mobile bracket 10 come the height and angle of regulating device, air line
The sebific duct 13 extracted is connect with flow valve 14 and differential pressure flow meter 15 respectively, end again with pressure wind entrance 1-1 and air flow inlet
2-1 screw connection, equally, the sebific duct 13 that water supply pipe extracts are connect with flow valve 14 and differential pressure flow meter 15, and end is same
Sample is connected using the flow inlet 4-1 of screw and Dry-fog spray nozzle 4；
The flow valve 14 on the sebific duct 13 of connection air line and water supply pipe is opened, air-flow passes through injector pressure entrance
1-1 enters injecting chamber 1-2, and pressure entrance 1-1 is equipped with nozzle, and nozzle accelerates the speed that air-flow enters injecting chamber 1-2, drawing
It penetrates room 1-2 and forms negative pressure, the negative pressure of injecting chamber 1-2 drives the dust-contained airflow outside tubaeform bleed ports to enter injecting chamber 1-2, bleed
The bellmouth entrance of mouth 1-3 and bend pipe setting can reduce the windage that extraneous dust-contained airflow enters injecting chamber 1-2, introduce more
Dust laden air, dust laden air enters reducing pipe in the case where the volume of injecting chamber 1-2 high-speed flow is inhaled together, and fluid-mixing flow velocity adds
Greatly, and when entering mixing chamber 1-5 the abundant exchange that speed and energy occurs, eventually with the mixed flow of a large amount of dusty gases
The diffusing opening 1-6 that body is gradually increased from section sprays, and the increase in the section diffusing opening 1-6 can make more dust laden airs quick
It sprays into mixing drum and dirt pocket.
Injector lower part, entering for air-flow drive the rotation of 2 flabellum of pneumatic fan, and pneumatic fan 2 largely contains from external world's sucking
Dust and gas stream enters in mixing drum 3, and air-flow flows into 4 air flow inlet of Dry-fog spray nozzle after flowing through pneumatic fan 2, with 4 side of Dry-fog spray nozzle
The water flow of flow inlet 4-1 is sufficiently mixed, and fluid-mixing flow velocity increases, and pressure increases, and finally forms < 10 μm in jet expansion
Dry fog, 4 angle of Dry-fog spray nozzle are 60 °, range 2m, can form veil in mixing drum 3, play to the dust-contained airflow of entrance
Depositing dust effect.The mixed gas for entering dirt pocket from injector and pneumatic fan passes through the rotation on polygon wire side cartridge filter 6
Blade 6-6 drives polygon wire side cartridge filter 6 to rotate, and the biggish grit of particle falls on dirt pocket bottom under droplet suction-operated
Portion, the grit not landed adhere to interception, the filtering of polygon wire side on flat filter cylinder net 6-1 and hemisphere face filter screen 6-2
The constantly rotation of cylinder 6 intercepts grit on flat filter net 6-1 and hemisphere face filter screen 6-2 in centrifugal force and self gravity
Fall under effect in dirt pocket bottom, when grit accumulation to a certain extent when, be gradually slipped to and unload in dirt slot 7, along unloading dirt slot
It is discharged from dust mouth 8.Dust laden air becomes cleaned air by the filtering of polygon wire side cartridge filter 6, and cleaned air enters more
It in side shape wire side cartridge filter 6, is exported by polygon wire side cartridge filter 6, cleaned air enters downstream chamber 9, and by outlet sieve
It nets 9-1 and intercepts the extra smaller grit of moisture and partial size, the suitable cleaned air of humidity is discharged, complete dedusting again.
Claims (8)
1. a kind of dust removing down-hole of coal mine device, it is characterised in that: it includes air inducing part, dust removal part and exit portion, air inducing
Part setting is arranged in dust removal part front end, exit portion in dust removal part rear end, and wherein dust removal part and exit portion are linked as
Mobile bracket (10) are equipped with below one, air inducing part and dust removal part；
The air inducing part includes: the injector (1) being laterally arranged, pneumatic fan (2), mixing drum (3) and Dry-fog spray nozzle (4),
Wherein injector (1) and pneumatic fan (2) are arranged side by side, injector (1) and pneumatic fan (2) respectively with mixing drum (3) front end
It is connected, mixing drum (3) rear end is connected with dust removal part；Injector (1) includes injecting chamber (1-2), the front end injecting chamber (1-2)
Equipped with pressure wind entrance (1-1), injecting chamber (1-2) is equipped with the flare openings bleed ports (1-3) in the same direction with pneumatic fan (2),
The injecting chamber rear (1-2) is connected with mixing chamber (1-5) by reducing pipe (1-4), and the mixing chamber rear end (1-5) is equipped with radius and gradually expands
Big diffusing opening (1-6), diffusing opening (1-6) setting is in mixing drum (3)；It include fan blade and blower in pneumatic fan (2)
Rack, blower rack are equipped with Dry-fog spray nozzle (4), and Dry-fog spray nozzle (4) is equipped with pneumatic fan gas outlet (2-2) and flow inlet
(4-1), pneumatic fan (2) lower section are equipped with the air flow inlet (2-1) connecting with the sebific duct (13) that air line extracts；
The dust removal part includes: dirt pocket (5), and polygon wire side cartridge filter (6) unloads dirt slot (7), dust mouth (8)；It is described to remove
Dirt room (5) is cylindrical hollow barrel structure, and the head of dirt pocket (5) matches connection with mixing drum (3), the tail portion of dirt pocket (5) and
Exit portion is connected, and unloads dirt slot (7) equipped with what is be obliquely installed below dirt pocket (5), unloads dirt slot (7) bottom equipped with dust mouth
(8), polygon wire side cartridge filter (6) setting is in dirt pocket (5), polygon wire side cartridge filter (6) tail portion and outlet portion
Split-phase connection；
The exit portion includes: downstream chamber (9) and outlet mesh (9-1)；Downstream chamber (9) is pre-small post-large horn structure,
Downstream chamber (9) front end is connected with polygon wire side cartridge filter (6) tail portion, is the air stream outlet of polygon wire side cartridge filter (6),
Outlet mesh (9-1) is arranged on downstream chamber (9)；
The mobile bracket (10) is equipped with the height-adjusting knob (11) for adjusting mobile bracket (10) height.
2. dust removing down-hole of coal mine device according to claim 1, it is characterised in that: polygon wire side cartridge filter (6) packet
Include flat filter net (6-1), hemisphere face filter screen (6-2), cartridge axis (6-3), support sleeve (6-4), support rod (6-5), rotation
Rotating vane piece (6-6), filter grid (6-7)；Wherein cartridge axis (6-3) is fixed on dirt pocket and is gone out by more axis support rods (5-1)
On mouthful wall surface, flat filter net (6-1) is fixed on support sleeve (6-4) above by support rod (6-5), cartridge axis (6-3) with
It is equipped with support sleeve (6-4) between more support rods (6-5), flat filter net (6-1) and hemisphere face filter screen (6-2) are equipped with
Multiple filter grids (6-7), the flat filter net head (6-1) are equipped with hemisphere face filter screen (6-2), polygon wire side cartridge filter
(6) tail portion is dirt pocket (5) outlet, and filter cylinder (6) goes out metastomium and do not set strainer.
3. dust removing down-hole of coal mine device according to claim 2, it is characterised in that: the filtering of polygon wire side cartridge filter (6)
The surface folding of net (6-1) rises and falls, and the hemisphere face filter screen (6-2) of flat filter net (6-1) and front is whole using welded connecting
A flat filter net (6-1) and hemisphere face filter screen (6-2) size of mesh opening and filter mesh layer number are according to dust removal requirement and air force
It is comprehensive to determine, it is tiltedly installed with a plurality of rotating vane (6-6) in the outer surface flat filter net (6-1), a plurality of rotating vane
(6-6) is spaced 90 degree of settings around cartridge axis (6-3), and 3 rows are arranged in entire cylinder surface, and 12 rotating vanes (6-6) are arranged in total,
A plurality of rotating vane (6-6) will drive entire polygon wire side cartridge filter (6) and revolve around filter cylinder (6-3) axis under the action of air-flow
Turn.
4. dust removing down-hole of coal mine device according to claim 1, it is characterised in that: air flow inlet (2-1) and pressure wind entrance (1-
1) it connect with air line and is connected using sebific duct (13), the flow inlet (4-1) of same water supply pipe and Dry-fog spray nozzle (4) is also adopted
It is connected with sebific duct (13), is provided with regulating valve (14) and head flowmeter (15) on sebific duct (13), head flowmeter (15) can be
When display by the flow and pressure of sebific duct, be input to the gas of device and the pressure of water flow by adjusting regulating valve (14) to control
Power and flow.
5. dust removing down-hole of coal mine device according to claim 1, it is characterised in that: between pneumatic fan (2) and mixing drum (3)
It is welded to connect, mixing drum (3) and pneumatic fan (2) are welded on mobile bracket (10), the height adjustment on mobile bracket (10)
Button (11) is adjusted by way of perforation, and mobile bracket (10) leg has isometrical circular hole every certain altitude, passes through adjusting
The circular hole of different location is aligned and inserted into button to adjust height.
6. dust removing down-hole of coal mine device according to claim 1, it is characterised in that: incline to the lower part for one dirt pocket (5) bottom
Oblique unloads dirt slot (7), and unloading dirt slot (7) depth and tilt angle can determine that unloading dirt slot (7) port is according to grit downslide difficulty
Dirt mouth (8) can freely be skidded off when Dust Capacity is accumulated to a certain extent along dirt slot (7) is unloaded.
7. dust removing down-hole of coal mine device according to claim 1, it is characterised in that: air inducing part and dust removal part pass through buckle
(12) it connects, buckle (12) front end is mixing drum (3), and buckle (12) rear portion is dirt pocket (5) import.
8. a kind of dust removal method using dust removing down-hole of coal mine device described in claim 1, it is characterised in that steps are as follows:
A. the air inducing part of dust-extraction unit and dust removal part are connected by buckle (12) first, by what is drawn from air line
Two sebific ducts (13) are connected through a screw thread with air flow inlet (2-1) and pressure wind entrance (1-1) respectively, and downhole water supply pipeline is drawn
Sebific duct (13) out is connected through a screw thread the flow inlet (4-1) for connecting Dry-fog spray nozzle；
B. the regulating valve (14) on each sebific duct (13) is adjusted, the pressure of air-flow and water flow is adjusted, high-speed flow passes through sebific duct
(13) after injector pressure wind entrance (1-1) entrance, negative pressure is formed at injecting chamber (1-2), the negative pressure of injecting chamber is drawn tubaeform
The dust laden air of port (1-3) outside brings injecting chamber (1-2) into, by with from pressure wind entrance (1-1) enter pressure general mood stream gradually
The draw (1-4) is further speeded up, subsequently into mixing chamber (1-5) make dust laden air with pressure general mood stream be sufficiently mixed, finally from
Diffusing opening (1-6), which sprays, to be entered in mixing drum (3)；Air-flow enters pneumatic fan (2) and drives fan leaf rotation, by dusty gas
Deduster is sucked, air-flow is by entering Dry-fog spray nozzle (4) from air stream outlet (2-2) after blower, with the water flow from Dry-fog spray nozzle (4)
The water flow that entrance (4-1) enters is mixed to form spraying, and spray injection to mixing drum (3) and dirt pocket (5) are interior, to from injector
(1) it sucks and the dusty gas of pneumatic fan (2) sucking adsorbs depositing dust；
C. the dust-laden wind circulation sucked crosses mixing drum (3) into dirt pocket (5), and the grit that 30 μm of partial size > is under the action of spraying
Free-falling falls on the bottom of dirt pocket (5) or is attached to the flat filter strainer (6-1) of polygon wire side cartridge filter (6)
On hemisphere face filter screen (6-2), the grit of partial size≤30 μm is attached to the flat filter net (6-1) and hemisphere intercepted in filter cylinder
On face filter screen (6-2), while rotating vane (6-6) promotion distinguished and admirable in dust-laden of polygon wire side cartridge filter (6) outer surface
Lower drive polygon wire side cartridge filter (6) rotation, it is intercepted to be attached to flat filter when polygon wire side cartridge filter (6) rotates
Grit on net (6-1) and hemisphere face filter screen (6-2) falls to dirt pocket (5) bottom under gravitational and centrifugal forces,
When the grit for falling to dirt pocket (5) bottom, which is accumulated, reaches a certain amount of under gravity along gradually sliding into centre
Unload in dirt slot (7), it is last to be discharged from dust mouth (8) along unloading dirt slot (7)；
D. distinguished and admirable export from polygon wire side cartridge filter (6) of dust-laden by polygon wire side cartridge filter (6) filtering enters outlet
Room (9), downstream chamber rear portion setting mouth strainer (9-1), by filtered dust-laden it is distinguished and admirable in extra moisture and thinner grit
Interception stays on the net, is finally transported to the cleaned air for eliminating grit in tunnel from downstream chamber (9).
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| CN109224786A (en) * | 2018-11-02 | 2019-01-18 | 昊姆（上海）节能科技有限公司 | Flue gas injection mixes wind and disappears white system and eliminating white smoke method |
| CN112557070B (en) * | 2020-11-05 | 2022-11-11 | 太原理工大学 | Use method of aerodynamic dust generation device |
| CN113339042B (en) * | 2021-06-29 | 2022-05-27 | 中煤科工集团重庆研究院有限公司 | Roadway automatic dust control and removal system and method |
| CN114307501A (en) * | 2022-01-04 | 2022-04-12 | 中煤科工集团重庆研究院有限公司 | Antiseized patching machine dust collector |
| CN115949449B (en) * | 2023-03-15 | 2023-06-30 | 太原理工大学 | Mining efficient spraying dust-settling device and method |
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