CN110368768A - A kind of dust pelletizing system of coal mining heading equipment - Google Patents
A kind of dust pelletizing system of coal mining heading equipment Download PDFInfo
- Publication number
- CN110368768A CN110368768A CN201910734778.8A CN201910734778A CN110368768A CN 110368768 A CN110368768 A CN 110368768A CN 201910734778 A CN201910734778 A CN 201910734778A CN 110368768 A CN110368768 A CN 110368768A
- Authority
- CN
- China
- Prior art keywords
- dust
- coal mining
- heading equipment
- pelletizing system
- mining heading
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
- E21C35/223—Equipment associated with mining machines for sucking dust-laden air from the cutting area, with or without cleaning of the air
Abstract
The present invention relates to industrial anti-dust fields, mainly include air inlet, air duct, centrifugal fan dust-extraction unit, silencer and deflector more particularly to a kind of dust pelletizing system of coal mining heading equipment.Dust enters air duct by air inlet, when passing through mixing chamber, dust and droplet come into full contact with and form dust-laden drop, when passing through centrifugal fan, dust-laden drop is thrown on inner tube wall by the centrifugal force that swirling eddy generates, via through holes enter interlayer cavity, pass through filter screen filtration, it is discharged after falling into water storage tank, to realize the purpose for capturing airborne dust, purifying air.The invention has the advantages that replacing traditional dust removal by filtration device, dust pelletizing system resistance caused by thoroughly solution exists due to strainer is big, air quantity processing capacity is poor, efficiency of dust collection is low and filter net jam leads to problems such as working service cumbersome.It is tested by colliery scene, processing air quantity is about twice of existing coal mining heading equipment dust pelletizing system processing air quantity.
Description
Technical field
The present invention relates to industrial anti-dust fields, more particularly to a kind of dust pelletizing system of coal mining heading equipment.
Background technique
Coal mine dust hazard has become the most important safety problem of underground coal mine, and coal dust not only causes many safety problems,
Endanger the health of staffs in coal mine.Now most of coal mining heading equipment has been all made of external spraying and adds airborne wet dust removal
Blower is dusted, and is still unable to satisfy " safety regulations in coal mine " to mine dust concentration requirement, to solve this problem, existing part
Mining area continuous miner driving face, which uses to straddle in crusher tail, installs a set of high-power Wet-type dust-removal fan in belt,
Air inlet extends to development end by negative pressure skeleton air duct and meets head on that a set of length is collectively formed with booster air feed within 5 meters
Short pumping negative pressure wet dedusting system is pressed, although the system can reduce driving face dust concentration, is pacified because the system exists
Difficult in maintenance, the problems such as labor intensity of workers is big is filled, haves the defects that in practical applications certain, patent CN206429240U is public
A kind of cloth continuous cleaner of coalcutter, but this dust-extraction unit due to be equipped in its ventilating duct a large amount of filter screen and
Other dust-extraction units, cause windage to become larger, and then processing air quantity is made to become smaller, except dust quantity and efficiency of dust collection reduce.
Therefore, the windage for reducing coal mining heading equipment dust pelletizing system increases the processing air quantity of dust pelletizing system, improves dedusting system
The efficiency of dust collection of system becomes urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of dust pelletizing systems of coal mining heading equipment, to increase the processing wind of dust pelletizing system
Amount, improves the efficiency of dust collection of dust pelletizing system.
To solve the above problems, the present invention provides a kind of dust pelletizing system of coal mining heading equipment, it mainly include air inlet, wind
Road, centrifugal fan dust-extraction unit, silencer and deflector；The air inlet is mainly distributed near cutterhead, in cutting
Below arm at left and right each one, at loading palladium pawl top one etc.；The centrifugal fan dust-extraction unit is pressurized by hydraulic water route
Pump, spraying device, mixing chamber, filter screen, centrifugal fan and water storage tank composition.
Preferably, the start and stop of the centrifugal fan and spraying device are controlled by automatic control system, automatic control system
Start and stop instruction it is consistent with the start and stop of coal mining heading equipment.
Preferably, the centrifugal fan dust-extraction unit, structural member are welded with steel plate, and each section of air duct is by flange
Disk is bolted, compact-sized using impeller and motor associated mode, and sturdy and durable, use is safe, easy to maintain.
Preferably, the spraying device is annular spread, is arranged at centrifugal fan dust-extraction unit air intake.
Preferably, the filter screen is arranged in centrifugal dust removal device interlayer cavity.
Preferably, hydraulic water route booster pump can be the interior external spraying of coal mining heading equipment and being sprayed for dust pelletizing system
Increase water route pressure, the hydraulic power of hydraulic water route booster pump is from the hydraulic pilot circuit of coal mining heading equipment.
Detailed description of the invention
Fig. 1 is the structure chart of coal mining heading equipment dust pelletizing system；
Fig. 2 is centrifugal wetting dedusting fan structural schematic diagram；
Fig. 3 is the location drawing that existing coal mining heading equipment adds dust pelletizing system.
In figure: the air inlet 1-, the air duct 2-, 3- hinge point, 4- lifting carriage position, 5- spraying device, 6- mixing chamber, 7-
Water storage tank, 8- centrifugal fan, 9- filter screen, 10- silencer, 11- deflector, 12- air duct, 13- coal mining heading equipment, 14-
Connection rubber tube, 15- coal body or rock mass, 16- cutterhead, 17- drivers' cab.
Specific embodiment
Below in conjunction with the drawings and specific embodiments of the invention, technical solution in the embodiment of the present invention is retouched
It states.Based on the embodiments of the present invention, this field related personnel without making creative work, other embodiments
Belong to protection scope of the present invention.
Embodiment 1
In the present embodiment, a kind of coal mining heading equipment dust pelletizing system provided by the invention include: air inlet 1, air duct 2,
Hinge point 3, lifting carriage position 4, spraying device 5, mixing chamber 6, filter screen 9, water storage tank 7, centrifugal fan 8, silencer
10 and deflector 11.Air inlet 1 is mainly distributed near cutterhead, below the cutting arm at left and right each one, is loaded above palladium pawl
Deng specific 1 quantity of air inlet is determined by the size and function of coal mining heading equipment；Before spraying device 5 is arranged in mixing chamber 6
Side, is distributed in a ring, and the pressure of spraying device 5 is pressurized by hydraulic water route booster pump, and the hydraulic of hydraulic water route booster pump moves
Hydraulic pilot circuit of the power from coal mining heading equipment；Mixing chamber 6 is at the rear of spraying device 5, in the front of blower 8, dust
It is collided in advance in mixing chamber with droplet, a part forms dust-laden droplet, is conducive to the efficiency of dust collection for improving blower；In order to reduce
The windage of dust pelletizing system, increases air quantity, and filter screen 9 is arranged in centrifugal dust removal device interlayer cavity.
Preferably, centrifugal wetting dedusting fan is by air duct 2, mixing chamber 6, water storage tank 7, centrifugal fan 8,9 and of filter screen
Silencer 10 forms, and structural member is welded with steel plate, and each section of air duct is connected by flange plate bolt, using impeller and motor
Associated mode；The start and stop of the centrifugal fan 8 and spraying device 5 are controlled by automatic control system, and automatic control system opens
Stop instruction is consistent with the start and stop of coal mining heading equipment.
The composition of centrifugal fan 8 of the present invention has ventilation and dedusting dual function, and dedusting fan utilizes air
There is dynamic characteristics the ability for potentially separating airborne dust directly to capture dust separation and reach dust and gas separation, purification air
Purpose, replace traditional dust removal by filtration device, thoroughly solve that dust pelletizing system resistance caused by existing due to strainer is big, air quantity
Processing capacity is poor, efficiency of dust collection is low and filter net jam leads to problems such as working service cumbersome.
More specifically, the power-up sequence of centrifugal fan are as follows: the valve to supply water to dedusting fan is opened, in spraying state
Under, check that sewage pipe must not be higher than drainage interface baseplane, it is ensured that draining is unimpeded, starts dedusting fan；Shutdown sequence are as follows: first
Dedusting fan is closed, turns off dedusting fan water supply valve after five minutes, then dedusting fan is in shutdown status.After shutting down every time,
The residual dust of dedusting fan outlet air end should be rinsed well.The direction of rotation of dedusting fan impeller has to comply with and indicates on casing
Direction indicated by arrow.
In more specific embodiment, dust enters air duct 2 by air inlet 1, and when by mixing chamber 6, dust and droplet fill
Tap is touched and forms dust-laden drop, and when by centrifugal fan 8, the centrifugal force generated by swirling eddy throws dust-laden drop interior
On barrel, via through holes enter interlayer cavity, are filtered by filter screen 9, are discharged after falling into water storage tank 7, to realize capture gas
The purpose for carrying dust, purifying air.
Embodiment 2
In the present embodiment, small for coal mining heading equipment currently in use processing air quantity, efficiency of dust collection is low and can not
The problem of replacing former dust pelletizing system, the present invention provides a kind of additional coal mining heading equipment dust pelletizing system, is mainly removed by centrifugal wetting
Dirt blower, connection rubber tube 14, air duct 2 and air inlet 1 form.
Preferably, centrifugal wetting dedusting fan is by air duct 2, mixing chamber 6, water storage tank 7, centrifugal fan 8,9 and of filter screen
Silencer 10 forms, and structural member is welded with steel plate, and each section of air duct is connected by flange plate bolt, using impeller and motor
Associated mode；The start and stop of the centrifugal fan 8 and spraying device 5 are controlled by automatic control system, and automatic control system opens
Stop instruction is consistent with the start and stop of coal mining heading equipment.
The arragement construction schematic diagram of additional coal mining heading equipment is as shown in figure 3, arrange four suctions at the rear of cutterhead 16
Air port 1, air inlet 1 are connected by air duct 2, then are connect by connection rubber tube 14 with centrifugal fan 8；Wherein 5 cloth of spraying device
It sets in the front of mixing chamber 6, is distributed in a ring, the pressure of spraying device 5 is pressurized by hydraulic water route booster pump, hydraulic water route
Hydraulic pilot circuit of the hydraulic power of booster pump from coal mining heading equipment；Mixing chamber 6 is at the rear of spraying device 5, in wind
The front of machine 8, dust and droplet collide in advance in mixing chamber, and a part forms dust-laden droplet, are conducive to improve removing for blower
Dirt efficiency；In order to reduce the windage of dust pelletizing system, increase air quantity, filter screen 9 is arranged in centrifugal dust removal device interlayer cavity.
In more specific scheme, the length in air inlet section and wide respectively 200mm and 100mm；The interface dimensions in air duct
The circle for being 50mm for radius；The rated pressure 16MPa of booster pump, specified water flow 87L/min, pressure reaches after the pressurization of water route
4.0MPa；Air inlet is away from 3-5 meters of cutting drum.
More specifically, the power-up sequence of centrifugal fan are as follows: the valve to supply water to dedusting fan is opened, in spraying state
Under, check that sewage pipe must not be higher than drainage interface baseplane, it is ensured that draining is unimpeded, starts dedusting fan；Shutdown sequence are as follows: first
Dedusting fan is closed, turns off dedusting fan water supply valve after five minutes, then dedusting fan is in shutdown status.After shutting down every time,
The residual dust of dedusting fan outlet air end should be rinsed well.The direction of rotation of dedusting fan impeller has to comply with and indicates on casing
Direction indicated by arrow.
In more specific embodiment, dust enters air duct 2 by air inlet 1, and when by mixing chamber 6, dust and droplet fill
Tap is touched and forms dust-laden drop, and when by centrifugal fan 8, the centrifugal force generated by swirling eddy throws dust-laden drop interior
On barrel, via through holes enter interlayer cavity, are filtered by filter screen 9, are discharged after falling into water storage tank 7, to realize capture gas
The purpose for carrying dust, purifying air.
Claims (4)
1. a kind of dust pelletizing system of coal mining heading equipment, including centrifugal fan dust-extraction unit, it is characterised in that: by hydraulic water
Line pressurization pump, spraying device, mixing chamber, filter screen, centrifugal fan and water storage tank composition, structural member with steel plate weld and
At each section of air duct is connected by flange plate bolt, using impeller and motor associated mode；The centrifugal fan and spraying device
Start and stop are controlled by automatic control system, and the start and stop instruction of automatic control system is consistent with the start and stop of coal mining heading equipment.
2. a kind of dust pelletizing system of coal mining heading equipment according to claim 1, it is characterised in that: the spraying dress
It is set to annular spread, is arranged at centrifugal fan dust-extraction unit air intake.
3. a kind of dust pelletizing system of coal mining heading equipment according to claim 1, it is characterised in that: the filter screen arrangement
In centrifugal dust removal device interlayer cavity.
4. a kind of dust pelletizing system of coal mining heading equipment according to claim 1, it is characterised in that: the hydraulic water route
Booster pump can be the interior external spraying of coal mining heading equipment and the spraying increase water route pressure of dust pelletizing system, hydraulic water route booster pump
Hydraulic pilot circuit of the hydraulic power from coal mining heading equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734778.8A CN110368768A (en) | 2019-08-09 | 2019-08-09 | A kind of dust pelletizing system of coal mining heading equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734778.8A CN110368768A (en) | 2019-08-09 | 2019-08-09 | A kind of dust pelletizing system of coal mining heading equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110368768A true CN110368768A (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910734778.8A Pending CN110368768A (en) | 2019-08-09 | 2019-08-09 | A kind of dust pelletizing system of coal mining heading equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248528A (en) * | 2017-07-12 | 2019-01-22 | 张胤桢 | Network of rivers centrifugal purifier |
-
2019
- 2019-08-09 CN CN201910734778.8A patent/CN110368768A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248528A (en) * | 2017-07-12 | 2019-01-22 | 张胤桢 | Network of rivers centrifugal purifier |
| CN109248528B (en) * | 2017-07-12 | 2021-11-12 | 张胤桢 | Water net centrifugal purifier |
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