CN108194123A - 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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- CN108194123A CN108194123A CN201810148640.5A CN201810148640A CN108194123A CN 108194123 A CN108194123 A CN 108194123A CN 201810148640 A CN201810148640 A CN 201810148640A CN 108194123 A CN108194123 A CN 108194123A
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- dust
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- dirt
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Classifications
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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
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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
Abstract
A kind of dust removing down-hole of coal mine device, belongs to dust removal field.Including：Injector, pneumatic fan, mixing drum, dirt pocket, filter polygon cylinder, downstream chamber, mobile stent, 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, flow connects with Dry-fog spray nozzle, by gas-liquid mixed in pneumatic fan, spraying is formed in mixing drum and dirt pocket, 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, it is distinguished and admirable to start simultaneously at rotation into fashionable filter cylinder, make to be attached to the online grit of filter cylinder and fall into and unload in dirt slot and dust mouth discharge.Its high dust collection efficiency, it is small, it is easy to operate, it moves, thorough to respirable dust processing, simple in structure, dedusting is at low cost.
Description
Technical field
The present invention relates to a kind of dust-extraction unit and dust removal methods, are particularly suitable for the ore deposit dust removing down-hole used during underground mining
Device and dust removal method.
Background technology
Mine Dust is one of disaster of underground coal mine exploitation, and during driving or exploitation, dust is bigger, it is seen that
Degree is lower, and operation is impacted, operation error easily occurs, 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, and increase is set
Standby maintenance cost.And the respirable dust generated in recovery process, there is a great harm for health, often suffer from operator
Upper pneumoconiosis.And when dust concentration reaches 35mg/m3When, when meeting enough fire ignition energies, coal-dust explosion will occur, make
Into the loss of bigger.Therefore, eliminate Mine Dust, for safeguard mechanical equipment normal operation, 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 grain 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, lane space is limited to, exists simultaneously the problem of deashing；And pass through increasing
The mode of air quantity can play dust-laden waste air diluting effect, but effect is not obvious, and compressed air and power limit,
Improving air quantity is difficult.
Invention content
Technical problem：The above-mentioned technology ability shortcoming of face, provides a kind of high dust collection efficiency, small, easy to operate, can
Mobile, thorough to respirable dust processing, simple in structure, 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, air inducing part are arranged on dust removal part front end, and exit portion is arranged on dust removal part rear end, wherein dedusting
Part and exit portion are connected as a single entity, and mobile stent is equipped with below air inducing part and dust removal part；
The air inducing part includes：Injector, pneumatic fan, mixing drum and the Dry-fog spray nozzle laterally set, wherein injector and
Pneumatic fan is arranged side by side, and injector and pneumatic fan are connected respectively with mixing drum front end, mixes tube rear end and dust removal part
It is connected；Injector includes injecting chamber, and injecting chamber front end is equipped with pressure wind entrance, and being provided with the horn-like of front end in injecting chamber opens
Mouth bleed ports, injecting chamber rear are connected with mixing chamber by reducing pipe, and mixing chamber rear end is equipped with radius gradually widened diffusing opening,
Diffusing opening is arranged in mixing drum；Including fan blade and wind turbine rack in pneumatic fan, wind turbine rack is equipped with Dry-fog spray nozzle,
Dry-fog spray nozzle is equipped with pneumatic fan gas outlet and flow inlet, and the sebific duct extracted with air line is equipped with below pneumatic fan
The air flow inlet of connection；
The dust removal part includes：Dirt pocket, polygon wire side cartridge filter unload dirt slot, dust mouth；The dirt pocket is empty for column
Heart barrel structure, the head of dirt pocket match connection with mixing drum, and the tail portion of dirt pocket is connected with exit portion, below dirt pocket
Dirt slot is unloaded equipped with what is be obliquely installed, unloads dirt trench bottom equipped with dust mouth, the polygon wire side cartridge filter is arranged in dirt pocket,
Polygon wire side cartridge filter tail portion is connected with exit portion；
The exit portion includes：Downstream chamber and outlet mesh；Downstream chamber be pre-small post-large horn structure, downstream chamber front end with
Polygon wire side cartridge filter tail portion is connected, and is the air stream outlet of polygon wire side cartridge filter, and outlet mesh is arranged on downstream chamber
On；
The mobile stent is above-mentioned and is useful for adjusting the height-adjusting knob of 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 by more axis supporting rods on dirt pocket outlet wall, plane mistake
Strainer is fixed on by supporting rod above support sleeve, support sleeve is equipped between cartridge axis and more supporting 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 exported for dirt pocket,
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 integrated by dust removal requirement and air force to be determined, is tiltedly installed in flat filter net outer surface
A plurality of rotating vane, a plurality of rotating vane set 3 rows, Zong Gongshe around the setting of 90 degree of cartridge axis interval, entire cylinder surface
12 rotating vanes are put, a plurality of rotating vane can drive entire polygon wire side cartridge filter to be revolved 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, similary water supply pipe and Dry-fog spray nozzle
Flow inlet is also connected using sebific duct, is provided with regulating valve and pressure flow valve on sebific duct, pressure flow valve can instant playback lead to
The flow and pressure of sebific duct are crossed, the gas of device and the pressure of flow and flow are input to control by adjusting regulating valve.
It is welded to connect between pneumatic fan and mixing drum, mixing drum is welded on pneumatic fan on mobile stent, mobile branch
Height-adjusting knob on frame is adjusted by way of perforation, and mobile rack leg has isometrical circular hole every certain altitude, leads to
The circular hole for overregulating different location is aligned and inserted into button to adjust height.
Dirt slot is unloaded in dirt pocket bottom for one to lower part is inclined, unloads dirt groove depth and angle of inclination can be difficult according to grit downslide
Degree determines, unloads dirt slot port as dust mouth, can freely be skidded 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 being buckled, and mouth connection front end is mixing drum, and mouth connection rear portion is dedusting
Room import.
A kind of dust removal method of dust removing down-hole of coal mine device, step are as follows：
A is first connected the air inducing part of dust-extraction unit and dust removal part by being buckled, two will drawn from air line
Sebific duct is connected through a screw thread respectively with air flow inlet and pressure wind entrance, and the sebific duct that downhole water supply pipeline is drawn is connected by screw thread
Connect the flow inlet of Dry-fog spray nozzle；
B adjusts the regulating valve on each sebific duct, adjusts the pressure of air-flow and flow, and high-speed flow presses wind by sebific duct from injector
After entrance enters, negative pressure is formed in injecting chamber, the negative pressure of injecting chamber brings the dust laden air outside tubaeform bleed ports into injecting chamber,
By with from pressure wind entrance enter pressure general mood stream further speeded up in reducing pipe, subsequently into mixing chamber so that dust laden air with
General mood stream is pressed, finally sprays and enters in mixing drum from diffusing opening；Air-flow enters pneumatic fan and drives fan leaf rotation, by dust-laden
Gas sucks deduster, and air-flow from air stream outlet after wind turbine by entering Dry-fog spray nozzle, with entering from Dry-fog spray nozzle flow inlet
Flow be mixed to form spraying, in spray injection to mixing drum and dirt pocket, to from injector sucking and pneumatic fan sucking
Dusty gas adsorbs depositing dust；
The dust-laden wind circulation of c suckings crosses mixing drum and enters dirt pocket, and the grit that 30 μm of grain size ＞ is under freedom under the action of spraying
It falls, fall on the bottom of dirt pocket or is attached on the strainer of polygon wire side cartridge filter, the grit of grain size≤30 μm is attached to
It intercepts on the strainer of filter cylinder, while the rotating vane of polygon filter cylinder outer surface drives polygon under the distinguished and admirable promotion of dust-laden
Filter cylinder rotates, intercepted to be attached to effect of the grit on strainer in centrifugal force and gravity when polygon wire side cartridge filter rotates
Under fall to dirt pocket bottom, when fall to dirt pocket bottom grit accumulate reach a certain amount of when under gravity along
Unloading in dirt slot for centre is gradually slided into, last edge is unloaded dirt slot and discharged from dust mouth；
Dust-ladens of the d by the filtering of polygon wire side cartridge filter is distinguished and admirable to enter downstream chamber, downstream chamber rear portion from polygon cartridge outlet
The dust-laden of filtering moisture extra in distinguished and admirable and the interception of thinner grit are stayed on the net, most eliminated at last by the mouth strainer of setting
The cleaned air of grit is transported to from downstream chamber in tunnel.
Advantageous effect, dust-extraction unit of the invention can utilize air-flow the moving as entire deduster of the air line of underground
Power, by the use of the flow of water supply pipe as the 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 larger 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 be rotated 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 puts.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 to from outlet mesh in air, so as to complete the dedusting of air, obtains
The clean and suitable air of humidity.
Advantage：The present invention dust-extraction unit have it is small, light-weight, easy to remove, high dust collection efficiency utilizes underground
Air line and water supply pipe, strong applicability are at low cost.
（1）The pressure that air line by the use of underground provides sucks waste air as the power of pneumatic fan and injector mixed
It closes in cylinder, while the exit gas after being used by the use of pneumatic fan is as working fluid and the flow shape of water supply pipe offer
Into spraying, strong applicability greatly reduces cost.
（2）The combination of pneumatic fan and injector enables absorbing quantity to meet 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 has dust laden air the effect for adsorbing depositing dust, draws in satisfaction
It is thorough to respirable dust processing while air quantity function.
（3）Polygon wire side cartridge filter plays the role of grit attachment 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, can be driven while waste air enters
Cylinder rotates, and the gravity removing of centrifugal force and grit itself generated by rotation is attached to the grit on strainer, reduces dynamic
The program of power and strainer deashing.
（5）The dirt slot that unloads of lower part setting forms dirt water mixed flow by the excessive moisture that grit and spraying generate and grit
Body slides along dirt slot is unloaded by fluid its own gravity, is finally discharged from dust mouth, makes deashing convenient.
（6）Entire dedusting blower unit is small, and light-weight, air inducing part and dust removal part are located at two mobile stents
On, it can be divided into two parts 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 stent simultaneously, can entire dust-extraction unit be adjusted according to the position that dust generates
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 is safe to use.And device is easy to operate, convenient disassembly, and durability is good, is easy to operation.
Description of the drawings
Fig. 1 is the structure 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 distinguished and admirable when being dust removing down-hole of coal mine device work of the present invention Fig. 4.
Fig. 5 is the A-A direction views of 3 filter cylinder upper filter screen of dust removing down-hole of coal mine installation drawing of the present invention.
Fig. 6 is B-B direction view in 3 filter cylinder upper filter screen of dust removing down-hole of coal mine installation drawing of the present invention.
In figure：1st, 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；2nd, pneumatic fan；2-1, air flow inlet；2-2, air stream outlet；3rd, mixing drum；4th, Dry-fog spray nozzle；4-1, water
Inflow entrance；5th, dirt pocket；5-1, axis supporting rod；6th, 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, supporting rod；6-6, rotating vane；6-7, filter grid；7th, dirt slot is unloaded；8th, go out
Dirt mouth；9th, downstream chamber；9-1, outlet strainer；10th, mobile stent；11st, height-adjusting knob；12nd, it is buckled；13rd, sebific duct；14th, it adjusts
Valve；15th, head flowmeter.
Specific embodiment
One embodiment of the present of invention is further described below in conjunction with the accompanying drawings：
As shown in Figure 1, the dust removing down-hole of coal mine device of the present invention, it includes air inducing part, dust removal part and exit portion, air inducing
Part is arranged on dust removal part front end, and exit portion is arranged on dust removal part rear end, and wherein dust removal part and exit portion is linked as
Mobile stent 10 is equipped with below one, air inducing part and dust removal part；
The air inducing part includes：Injector 1, pneumatic fan 2, mixing drum 3 and the Dry-fog spray nozzle 4 laterally set, wherein injection
Device 1 and pneumatic fan 2 are arranged side by side, and injector 1 and pneumatic fan 2 are connected respectively with 3 front end of mixing drum, 3 rear end of mixing drum
It is connected with dust removal part；Injector 1 includes injecting chamber 1-2, and injecting chamber 1-2 front ends are equipped with pressure wind entrance 1-1, injecting chamber 1-2
On be provided with the flare openings bleed ports 1-3 of front end, injecting chamber 1-2 rears are connected with mixing chamber 1- by reducing pipe 1-4
5, mixing chamber 1-5 rear end are equipped with radius, and gradually widened diffusing opening 1-6, diffusing opening 1-6 are arranged in mixing drum 3；Pneumatic fan 2
Interior including fan blade and wind turbine rack, wind turbine rack is equipped with Dry-fog spray nozzle 4, and Dry-fog spray nozzle 4 is equipped with pneumatic fan outlet
Mouth 2-2 and flow inlet 4-1,2 lower section of pneumatic fan are equipped with the air flow inlet 2- being connect with the sebific duct 13 that air line extracts
1；Air flow inlet 2-1 and pressure wind entrance 1-1 are connect with air line and are connected using sebific duct 13, similary water supply pipe and Dry-fog spray nozzle
Flow inlet 4-1 also connected using sebific duct 13, regulating valve 14 and head flowmeter 15, head flowmeter are provided on sebific duct 13
15 can instant playback by the flow and pressure of sebific duct, control the gas and flow that are input to device by adjusting regulating valve 14
Pressure and flow；
Dust removal part includes as described in Figure 2：Dirt pocket 5, polygon wire side cartridge filter 6 unload dirt slot 7, dust mouth 8；The dedusting
Room 5 is cylindrical hollow barrel structure, and the head of dirt pocket 5 matches connection, tail portion and the outlet portion split-phase of dirt pocket 5 with mixing drum 3
Dirt slot 7 is unloaded in connection, 5 lower section of dirt pocket equipped with what is be obliquely installed, unloads 7 bottom of dirt slot equipped with dust mouth 8,5 bottom of dirt pocket is one
Dirt slot 7 is unloaded to lower part is inclined, unloading 7 depth of dirt slot and angle of inclination can determine according to grit downslide difficulty, and unloading 7 port of dirt slot is
Dust mouth 8 can freely be skidded off when Dust Capacity is accumulated to a certain extent along dirt slot 7 is unloaded；Air inducing part and dust removal part pass through card
12 are detained to connect, snaps connection 12 front ends as mixing drum 3, snaps connection 12 rear portions as 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 wire side mistake
Filter cylinder 6 includes multilayer planar filter screen 6-1, hemisphere face filter screen 6-2, cartridge axis 6-3, support sleeve 6-4, supporting rod 6-5, rotation
Rotating vane piece 6-6, filter grid 6-7；It is exported as shown in figure 5, cartridge axis 6-3 is fixed on dirt pocket by more axis supporting rod 5-1
On wall surface, cartridge axis 6-3 and supporting rod filter screen 6-1 is fixed on by supporting rod 6-5 above support sleeve 6-4, cartridge axis 6-3
Support sleeve 6-4 is equipped between more supporting rod 6-5, as shown in figure 3, filter screen 8-1 is equipped with multiple filter grid 6-7,
As shown in fig. 6, filter screen 6-1 heads are equipped with hemisphere face filter screen 6-2,6 tail portion of polygon wire side filter cylinder is exported for dirt pocket 5,
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 filter screen 6-
1 size of mesh opening and the filter screen 6-1 numbers of plies are integrated by dust removal requirement and air force to be determined, is tilted in filter screen 6-1 outer surfaces
A plurality of rotating vane 6-6 is provided with, a plurality of rotating vane 6-6 is around the setting of 90 degree of cartridge axis 6-3 intervals, entire cylinder surface
3 rows are set, 12 rotating vane 6-6 are set in total, and a plurality of rotating vane 6-6 can drive entire polygon under the action of air-flow
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 be pre-small post-large horn structure, downstream chamber 9
Front end is connected with 6 tail portion of polygon wire side cartridge filter, is the air stream outlet of polygon wire side cartridge filter 6, and outlet mesh 9-1 is set
It puts in downstream chamber 9；
It is welded to connect between pneumatic fan 2 and mixing drum 3, mixing drum 3 is welded on pneumatic fan 2 on mobile stent 10, mobile
Height-adjusting knob 11 on stent 10 is adjusted by way of perforation, and mobile 10 leg of stent has isometrical every certain altitude
Circular hole is aligned and inserted into button to adjust height by the circular hole for adjusting different location；The mobile stent 10 is above-mentioned and useful
In the height-adjusting knob 11 for adjusting 10 height of mobile stent.
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, two will drawn from air line
Sebific duct 13 is connected through a screw thread respectively with air flow inlet 2-1 and pressure wind entrance 1-1, the sebific duct that downhole water supply pipeline is drawn
13 are connected through a screw thread the flow inlet 4-1 for connecting Dry-fog spray nozzle；
B. it adjusts the regulating valve 13 on each sebific duct 13, adjusts the pressure of air-flow and flow, high-speed flow is by sebific duct 13 from drawing
After emitter pressure wind entrance 1-1 enters, negative pressure is formed in injecting chamber 1-2, the negative pressure of injecting chamber is by containing outside tubaeform bleed ports 1-3
Dirt air brings injecting chamber 1-2 into, is further speeded up by the pressure general mood stream with entering from pressure wind entrance 1-1 in reducing pipe 1-4, so
Into mixing chamber 1-5 dust laden air with pressure general mood stream is sufficiently mixed afterwards, is finally sprayed from diffusing opening 1-6 and enter mixing drum 3
It is interior；Air-flow enters pneumatic fan 2 and drives fan leaf rotation, and dusty gas sucked deduster, air-flow by after wind turbine from gas
Outflux 2-2 enters Dry-fog spray nozzle 4, is mixed to form spraying with the flow of the flow inlet 4-1 entrance from Dry-fog spray nozzle 4, sprays
It is ejected into mixing drum 3 and dirt pocket 5, depositing dust is adsorbed to the dusty gas sucked from injector 1 and pneumatic fan 2 sucks；
C. the dust-laden wind circulation sucked crosses mixing drum 3 and enters dirt pocket 5, and the grit that 30 μm of grain size ＞ is free under the action of spraying
It falls, fall 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 hemisphere face
Filter screen, the grit of grain size≤30 μm are attached to interception on the flat filter net 6-1 and hemisphere face filter screen 6-2 of filter cylinder 6, together
When 6 outer surface of polygon filter cylinder rotating vane 6-6 polygon filter cylinder 6 is driven to rotate under the distinguished and admirable promotion of dust-laden, polygon
When filter cylinder 6 rotates, the intercepted grit being attached on flat filter net 6-1 and hemisphere face filter screen 6-2 is in centrifugal force and gravity
Under the action of fall to 5 bottom of dirt pocket, when fall to 5 bottom of dirt pocket grit accumulate reach a certain amount of when gravity work
Gradually slide into along locular wall unloading in dirt slot 7 for centre under, it is last to be discharged from dust mouth 8 along unloading dirt slot 7；
D. distinguished and admirable exported from polygon filter cylinder 6 of dust-laden filtered by polygon wire side cartridge filter 6 enters downstream chamber 9, downstream chamber
The outlet strainer 9-1 of rear portion setting stays in the dust-laden of filtering moisture extra in distinguished and admirable and the interception of thinner grit on the net, most
The cleaned air for eliminating grit at last is transported to from downstream chamber 9 in tunnel.
Embodiment 1：
Device first has to dust-extraction unit being moved to suitable position when running, and air inducing part and dust removal part are passed through buckle 12
Connection by the height-adjusting knob 11 on the mobile stent 10 of adjusting come the height and angle of regulating device, draws air line
The sebific duct 13 come is connect respectively with flow valve 14 and differential pressure flow meter 15, and end is used 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 equally uses
The flow inlet 4-1 of screw and Dry-fog spray nozzle 4 is connected；
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
Nozzle is equipped with into injecting chamber 1-2, pressure entrance 1-1, nozzle accelerates the speed that air-flow enters injecting chamber 1-2, in injection
Room 1-2 forms negative pressure, and the negative pressure of injecting chamber 1-2 drives the dust-contained airflow outside tubaeform bleed ports to enter injecting chamber 1-2, bleed ports
The bellmouth entrance of 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 enter reducing pipe together in the case where the volume of injecting chamber 1-2 high-speed flows is inhaled, and fluid-mixing flow velocity increases,
And the abundant exchange of speed and energy occurs when entering mixing chamber 1-5, eventually with the fluid-mixing of a large amount of dusty gases
From section, gradually increased diffusing opening 1-6 sprays, and the increase in diffusing opening 1-6 sections can be such that more dust laden airs quickly spray
Enter in mix cylinder and dirt pocket.
Injector lower part, entering for air-flow drive the rotation of 2 flabellum of pneumatic fan, and from the external world, sucking largely contains pneumatic fan 2
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 flow of flow inlet 4-1 is sufficiently mixed, and fluid-mixing flow velocity increases, and pressure increase is finally formed in jet expansion<10 μm
Dry fog, 4 angle of Dry-fog spray nozzle are 60 °, range 2m, and veil can be formed in mixing drum 3, the dust-contained airflow of entrance is played
Depositing dust acts on.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 larger 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 its own gravity
Fallen 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 extra moisture and the smaller grit of grain size, discharge the suitable cleaned air of humidity, 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 is arranged on dust removal part front end, and exit portion is arranged on dust removal part rear end, and wherein dust removal part and exit portion is linked as
Mobile stent is equipped with below one, air inducing part and dust removal part（10）；
The air inducing part includes：The injector laterally set（1）, pneumatic fan（2）, mixing drum（3）And Dry-fog spray nozzle（4）,
Wherein injector（1）And pneumatic fan（2）It is 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）Including injecting chamber（1-2）, injecting chamber（1-2）Front end
Equipped with pressure wind entrance（1-1）, injecting chamber（1-2）It is equipped with and pneumatic fan（2）Flare openings bleed ports in the same direction（1-3）,
Injecting chamber（1-2）Rear passes through reducing pipe（1-4）It is connected with mixing chamber（1-5）, mixing chamber（1-5）Rear end is gradually expanded equipped with radius
Big diffusing opening（1-6）, diffusing opening（1-6）It is arranged on mixing drum（3）It is interior；Pneumatic fan（2）It is interior including fan blade and wind turbine
Rack, wind turbine rack are equipped with Dry-fog spray nozzle（4）, Dry-fog spray nozzle（4）It is equipped with pneumatic fan gas outlet（2-2）And flow inlet
（4-1）, pneumatic fan（2）Lower section is equipped with the sebific duct extracted with air line（13）The air flow inlet of connection（2-1）；
The dust removal part includes：Dirt pocket（5）, polygon wire side cartridge filter（6）, unload dirt slot（7）, dust mouth（8）；It is described to remove
Dirt room（5）For cylindrical hollow barrel structure, dirt pocket（5）Head and mixing drum（3）Matching connection, dirt pocket（5）Tail portion with
Exit portion is connected, dirt pocket（5）Dirt slot is unloaded equipped with what is be obliquely installed in lower section（7）, unload dirt slot（7）Bottom is equipped with dust mouth
（8）, the polygon wire side cartridge filter（6）It is arranged on dirt pocket（5）It is interior, polygon wire side cartridge filter（6）Tail portion and outlet portion
Split-phase connects；
The exit portion includes：Downstream chamber（9）And outlet mesh（9-1）；Downstream chamber（9）For pre-small post-large horn structure,
Downstream chamber（9）Front end and polygon wire side cartridge filter（6）Tail portion is connected, and is polygon wire side cartridge filter（6）Air stream outlet,
Outlet mesh（9-1）It is arranged on downstream chamber（9）On；
The mobile stent（10）It is equipped with to adjust mobile stent（10）The height-adjusting knob of height（11）.
2. dust removing down-hole of coal mine device according to claim 1, it is characterised in that：The 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）, supporting rod（6-5）, rotation
Rotating vane piece（6-6）, filter grid（6-7）；Wherein cartridge axis（6-3）Pass through more axis supporting rods（5-1）Dirt pocket is fixed on to go out
On mouth wall surface, flat filter net（6-1）Pass through supporting rod（6-5）It is fixed on support sleeve（6-4）Above, cartridge axis（6-3）With
More supporting rods（6-5）Between be equipped with support sleeve（6-4）, flat filter net（6-1）With hemisphere face filter screen（6-2）It is equipped with
Multiple filter grids（6-7）, flat filter net（6-1）Head is equipped with hemisphere face filter screen（6-2）, polygon wire side cartridge filter
（6）Tail portion is dirt pocket（5）Outlet, filter cylinder（6）Go 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：Polygon wire side cartridge filter（6）Filtering
Net（6-1）Surface folding rise and fall, flat filter net（6-1）With the hemisphere face filter screen of forepart（6-2）It is whole using being welded to connect
A flat filter net（6-1）With hemisphere face filter screen（6-2）Size of mesh opening and filter mesh layer are several according to dust removal requirement and air force
It is comprehensive to determine, in flat filter net（6-1）Outer surface is tiltedly installed with a plurality of rotating vane（6-6）, a plurality of rotating vane
（6-6）Around cartridge axis（6-3）The setting of 90 degree of interval, entire cylinder surface set 3 rows, set 12 rotating vanes in total（6-6）,
The a plurality of rotating vane under the action of air-flow（6-6）Entire polygon wire side cartridge filter can be driven（6）Around filter cylinder（6-3）Axis revolves
Turn.
4. dust removing down-hole of coal mine device according to claim 1, it is characterised in that：Air flow inlet（2-1）With pressure wind entrance（1-
1）It is connect with air line using sebific duct（13）Connection, similary water supply pipe and Dry-fog spray nozzle（4）Flow inlet（4-1）Also it adopts
Use sebific duct（13）Connection, sebific duct（13）On be provided with regulating valve（14）And head flowmeter（15）, head flowmeter（15）Can be
When display by the flow and pressure of sebific duct, by adjusting regulating valve（14）The gas of device and the pressure of flow are input to control
Power and flow.
5. dust removing down-hole of coal mine device according to claim 1, it is characterised in that：Pneumatic fan（2）With mixing drum（3）Between
It is welded to connect, mixing drum（3）With pneumatic fan（2）It is welded on mobile stent（10）On, mobile stent（10）On height adjust
Button（11）It is adjusted by way of perforation, mobile stent（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：Dirt pocket（5）Incline for one to lower part bottom
Oblique unloads dirt slot（7）, unload dirt slot（7）Depth and angle of inclination can be determined according to grit downslide difficulty, unload dirt slot（7）Port is
Dirt mouth（8）, when Dust Capacity accumulation to a certain extent when can be along unloading dirt slot（7）Freely skid off.
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, is buckled（12）Front end is mixing drum（3）, buckle（12）Rear portion is dirt pocket（7）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 step is as follows：
A. pass through buckle first（12）The air inducing part of dust-extraction unit and dust removal part are connected, by what is drawn from air line
Two sebific ducts（13）Respectively with air flow inlet（2-1）With pressure wind entrance（1-1）It is connected through a screw thread, downhole water supply pipeline is drawn
The sebific duct gone out（13）It is connected through a screw thread the flow inlet for connecting Dry-fog spray nozzle（4-1）；
B. each sebific duct is adjusted（13）On regulating valve（13）, the pressure of air-flow and flow is adjusted, high-speed flow passes through sebific duct
（13）Wind entrance is pressed from injector（1-1）After, in injecting chamber（1-2）Negative pressure is formed, the negative pressure of injecting chamber is drawn tubaeform
Gas port（1-3）Outer dust laden air brings injecting chamber into（1-2）, by with from pressure wind entrance（1-1）The pressure general mood stream of entrance is gradually
The draw（1-4）It further speeds up, subsequently into mixing chamber（1-5）So that dust laden air with pressure general mood stream be sufficiently mixed, finally from
Diffusing opening（1-6）It sprays and enters mixing drum（3）It is interior；Air-flow enters pneumatic fan（2）Fan leaf rotation is driven, by dusty gas
Suck deduster, air-flow by after wind turbine from air stream outlet（2-2）Into Dry-fog spray nozzle（4）, and from Dry-fog spray nozzle（4）Flow
Entrance（4-1）The flow of entrance is mixed to form spraying, spray injection to mixing drum（3）And dirt pocket（5）It is interior, to from injector
（1）Sucking and pneumatic fan（2）The dusty gas absorption depositing dust of sucking；
C. mixing drum is crossed in the dust-laden wind circulation sucked（3）Into dirt pocket（5）, the grit that 30 μm of grain size ＞ is under the action of spraying
Free-falling falls on dirt pocket（5）Bottom or be attached to polygon wire side cartridge filter（6）Flat filter strainer（6-1）
With hemisphere face filter screen（6-2）On, the grit of grain size≤30 μm is attached to the flat filter net intercepted in filter cylinder（6-1）And hemisphere
Face filter screen（6-2）On, while polygon wire side cartridge filter（6）The rotating vane of outer surface（6-6）In the distinguished and admirable promotion of dust-laden
Lower drive polygon latticed face cartridge filter（6）Rotation, polygon wire side cartridge filter（6）It is intercepted to be attached to flat filter during rotation
Net（6-1）With hemisphere face filter screen（6-2）On grit fall to dirt pocket under gravitational and centrifugal forces（5）Bottom,
When falling to dirt pocket（5）The grit accumulation of bottom is when reaching a certain amount of under gravity along gradually sliding into centre
Unload dirt slot（7）In, dirt slot is unloaded on last edge（7）From dust mouth（8）Discharge；
D. pass through polygon wire side cartridge filter（6）The dust-laden of filtering is distinguished and admirable from polygon wire side cartridge filter（6）It exports into inlet/outlet
Room（9）, the mouth strainer of downstream chamber rear portion setting（9-1）, by the dust-laden after filtering it is distinguished and admirable in extra moisture and thinner grit
Interception stays in most eliminates the cleaned air of grit from downstream chamber at last on the net（9）It is transported in tunnel.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112557070A (en) * | 2020-11-05 | 2021-03-26 | 太原理工大学 | Use method of aerodynamic dust generation device |
| CN113339042A (en) * | 2021-06-29 | 2021-09-03 | 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 |
| CN115949449A (en) * | 2023-03-15 | 2023-04-11 | 太原理工大学 | Efficient spraying dust-settling device and method for mine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201239590Y (en) * | 2008-08-01 | 2009-05-20 | 河北冀凯实业集团有限公司 | Wet-type induced air precipitator |
| CN202866864U (en) * | 2012-10-29 | 2013-04-10 | 淮南矿业(集团)有限责任公司 | Pulp shooting machine dust-clearing system |
| CN103452576A (en) * | 2013-08-22 | 2013-12-18 | 黑龙江宏宇电站设备有限公司 | Air purification method of mine centrifugal dust-removing fan system |
| CN106089200A (en) * | 2016-06-22 | 2016-11-09 | 太原科技大学 | A kind of cleaner being suitable for coal mine work area treating flour dust |
| CN206273331U (en) * | 2016-12-20 | 2017-06-23 | 西安奥邦科技有限责任公司 | A kind of medium frequency induction melting furnace smoke-discharging dust-eliminating device |
-
2018
- 2018-02-13 CN CN201810148640.5A patent/CN108194123B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201239590Y (en) * | 2008-08-01 | 2009-05-20 | 河北冀凯实业集团有限公司 | Wet-type induced air precipitator |
| CN202866864U (en) * | 2012-10-29 | 2013-04-10 | 淮南矿业(集团)有限责任公司 | Pulp shooting machine dust-clearing system |
| CN103452576A (en) * | 2013-08-22 | 2013-12-18 | 黑龙江宏宇电站设备有限公司 | Air purification method of mine centrifugal dust-removing fan system |
| CN106089200A (en) * | 2016-06-22 | 2016-11-09 | 太原科技大学 | A kind of cleaner being suitable for coal mine work area treating flour dust |
| CN206273331U (en) * | 2016-12-20 | 2017-06-23 | 西安奥邦科技有限责任公司 | A kind of medium frequency induction melting furnace smoke-discharging dust-eliminating device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112557070A (en) * | 2020-11-05 | 2021-03-26 | 太原理工大学 | Use method of aerodynamic dust generation device |
| CN113339042A (en) * | 2021-06-29 | 2021-09-03 | 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 |
| CN115949449A (en) * | 2023-03-15 | 2023-04-11 | 太原理工大学 | Efficient spraying dust-settling device and method for mine |
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|---|---|
| CN108194123B (en) | 2019-10-22 |
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