CN108915684A - Dust-separation-dust-removing method and dust-separation-dust falling system for coalcutter cutting dust - Google Patents

Dust-separation-dust-removing method and dust-separation-dust falling system for coalcutter cutting dust Download PDF

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Publication number
CN108915684A
CN108915684A CN201810704212.6A CN201810704212A CN108915684A CN 108915684 A CN108915684 A CN 108915684A CN 201810704212 A CN201810704212 A CN 201810704212A CN 108915684 A CN108915684 A CN 108915684A
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China
Prior art keywords
dust
coalcutter
separation
dedusting fan
nozzle
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CN201810704212.6A
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Inventor
周刚
张文政
尹文婧
韩伟波
宋淑郑
孙健
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Priority to CN201810704212.6A priority Critical patent/CN108915684A/en
Publication of CN108915684A publication Critical patent/CN108915684A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
    • E21C35/22Equipment for preventing the formation of, or for removal of, dust
    • E21C35/223Equipment associated with mining machines for sucking dust-laden air from the cutting area, with or without cleaning of the air
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
    • E21C35/22Equipment for preventing the formation of, or for removal of, dust
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
    • E21C35/22Equipment for preventing the formation of, or for removal of, dust
    • E21C35/226Control valves for the spraying liquid used in dust suppression systems

Abstract

The invention discloses a kind of dust-separation-dust-removing methods and dust-separation-dust falling system for coal mining machine in full-mechanized mining face cutting dust, multiple first geomantic omens nozzle has been evenly arranged on coalcutter fuselage, front, the rear of coalcutter are arranged with wooden handcart, dedusting fan is provided on wooden handcart, multiple second geomantic omens nozzle has been evenly arranged on dedusting fan, transparent Materials with High Strength dust board is provided between the column and coalcutter of hydraulic support, the top of transparent Materials with High Strength dust board has been respectively arranged below single sprinkler head;Transparent Materials with High Strength dust board and fully-mechanized mining working form closed section every space, and dedusting fan, the first geomantic omen nozzle, the second geomantic omen nozzle and high-pressure fine-spray nozzle is cooperated to carry out dust-separation-depositing dust to fully-mechanized mining working;And its dust-separation-dust-removing method.By greatly reducing the Dust Capacity of fully-mechanized mining working in the ventilation dust discharge of fully-mechanized mining working, atomizing de-dusting, dedusting fan dedusting, dust-separation measure, underground rugged environment is improved.

Description

Dust-separation-dust-removing method and dust-separation-dust falling system for coalcutter cutting dust
Technical field
The present invention relates to Mine Dust prevention and control fields more particularly to a kind of for coal mining machine in full-mechanized mining face cutting dust Dust-separation-dust-removing method and dust-separation-dust falling system.
Background technique
In recent years, with the mechanization of coal in China industry, the continuous improvement of the degree of automation, the production of coal working face coal dust Raw amount is also increasing, and the health and safety caused by coal dust is particularly problematic.Factually survey, it is comprehensive when not taking any measure The dust concentration of mining face is up to 5000-8000mg/m3, wherein coalcutter cutting dust accounts for the 55% of fully mechanized coal face cutting dust Left and right, and respirable dust accounts for 50% or more of whole dust.High concentrate dust can not only cause occupational disease, it is also possible to cause Dust explosion accident drastically influences the safety in production of mine.
Currently, it is directed to coal mine fully-mechanized mining working high concentrate dust, the mainly ventilation dust discharge, spray drop of common control measures Modes such as dirt, dedusting fan dedusting, chemical dust suppression, but since coalcutter cutting dust-producing amount is big, and dust is under distinguished and admirable effect, fastly Fast disperse is to entire working space, and therefore, traditional dust prevention dust removing effects are relatively limited.
Therefore, the prior art needs and further improves and develop.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide one kind cuts for coal mining machine in full-mechanized mining face Dust-separation-the dust-removing method and dust-separation-dust falling system of dust are cut, to reduce the Dust Capacity of fully-mechanized mining working, it is severe to improve underground Environment.
In order to solve the above technical problems, the present invention program includes:
A kind of dust-separation-dust-removing method for coal mining machine in full-mechanized mining face cutting dust comprising following steps:
Coalcutter is started to work, a large amount of dust that falls of dedusting fan extraction roller coal cutting, and remaining part dust is to whole A working face is spread, and the geomantic omen nozzle on coalcutter fuselage starts to spray water, and the dust settling of bulky grain is got off, short grained powder When dirt is diffused at the slightly remote dedusting fan of coalcutter, it is mounted on the high-pressure fine-spray nozzle above dedusting fan and is sprayed Mist, it is efficient that the lesser dust particles of partial size are settled down, meanwhile, the transparent Materials with High Strength dust-break being arranged in front of column Plate can stop the long range diffusion of dust, the dust-break mechanism of list (operating) water nozzle, dust removal brush composition at transparent Materials with High Strength dust board, Reduce the diffusion of the dust of working face.
Dust-separation-the dust-removing method, wherein above-mentioned steps specifically further include:
Coalcutter, dedusting fan, the sensor at transparent Materials with High Strength dust board detect in tunnel dust concentration and The information of coal winning machine position is transmitted to central processing unit, and central processing unit receives corresponding information, then controls dedusting fan air quantity Water pressure at size and water supply pump, when dust concentration is larger, air quantity increases, and increases dedusting fan air quantity and water pumping of supplying water Pressure, to reach dust removing effects best under existing concentration;When dust concentration is small, dedusting fan air quantity is reduced and supplies water pumping Pressure;
Arrange that coal machine position transmitters are mounted on the coal seat in the plane on hydraulic support when coalcutter is mobile at coalcutter fuselage Set receiver receive signal, under the automatic control of central processing unit, if coalcutter weather side quarrel it is all hydraulic with downwind side Nozzle and dust removal brush are started to work at bracket.
A kind of dust-separation-dust falling system of the coal mining machine in full-mechanized mining face cutting dust using the dust-separation-dust-removing method, Including coalcutter, wherein be evenly arranged multiple first geomantic omens nozzle on coalcutter fuselage, front, the rear of coalcutter are uniformly distributed It is equipped with wooden handcart, dedusting fan is provided on wooden handcart, multiple second geomantic omens nozzle, dedusting fan have been evenly arranged on dedusting fan Top is disposed with high-pressure fine-spray nozzle, and the roller of coalcutter is connected by corresponding air duct with corresponding dedusting fan;Hydraulic support Column and coalcutter between be provided with transparent Materials with High Strength dust board, the top of transparent Materials with High Strength dust board, lower section difference It is provided with single sprinkler head, the corresponding position of transparent Materials with High Strength dust board is provided with dust removal brush, and single sprinkler head is matched with dust removal brush to be shared In the dust cleared up on transparent Materials with High Strength dust board;Transparent Materials with High Strength dust board and fully-mechanized mining working formed closed section every Space, cooperation dedusting fan, the first geomantic omen nozzle, the second geomantic omen nozzle and high-pressure fine-spray nozzle to fully-mechanized mining working carry out every Dirt-depositing dust.
Dust-separation-the dust falling system, wherein it is disposed with auto spraying frame along above-mentioned coalcutter fuselage length direction, from Respective nozzle is disposed on dynamic spraying frame.
Dust-separation-the dust falling system, wherein it is dense to be arranged with multiple dust on above-mentioned coalcutter fuselage, dedusting fan Spend sensor, position sensor.
Dust-separation-the dust falling system, wherein above-mentioned dust-separation-dust falling system is configured with control centre, dedusting fan, the One geomantic omen nozzle, the second geomantic omen nozzle, high-pressure fine-spray nozzle, auto spraying frame, sensor of dust concentration, position sensor, list Sprinkler head, dust removal brush are communicated to connect with the central processing unit of control centre, and control centre is for controlling dust-separation-dust falling system Operating status.
Dust-separation-the dust falling system, wherein above-mentioned corresponding air duct is energy crooked air cylinder, when coalcutter work, roller The part coal dust at place is extracted out through air duct by dedusting fan.
Dust-separation-the dust falling system, wherein the adjusting of above-mentioned dedusting fan air quantity:
When dedusting fan frequency changing regulating speed control apparatus receives signal, because of variable-frequency motor revolving speed n=60* frequency/electrode pair Number, and because distinguished and admirable flow and revolving speed are proportional, i.e., distinguished and admirable flow Q1/Q2=n1/n2, therefore dedusting fan can be by adjusting Revolving speed adjusts air volume, and wherein n is variable-frequency motor revolving speed, and Q is distinguished and admirable air quantity.
Dust-separation-the dust falling system, wherein above-mentioned wooden handcart is connected with coalcutter fuselage corresponding position, wooden handcart and coal mining Machine keeps opposing stationary, and wooden handcart is arranged on the drag conveyor track of fully-mechanized mining working, and wooden handcart can be along drag conveyor track It is mobile simultaneously with coalcutter.
Dust-separation-the dust falling system, wherein arrange at a certain distance in coalcutter fuselage long side far from coal wall side more A nozzle arranges telescopic above-mentioned auto spraying frame, auto spraying frame upper and lower in the two sides in coalcutter fuselage middle position Respectively one group of nozzle of arrangement, for one group of top arrangement of nozzles on the cross tube of auto spraying frame, spray direction is upward, the spray of one group of lower section Mouth is arranged on the sheer pole of auto spraying frame, and the spray direction of all nozzles is upward.
A kind of dust-separation-dust-removing method and dust-separation-drop for coal mining machine in full-mechanized mining face cutting dust provided by the invention Dirt system, a large amount of dust that dedusting fan extraction roller coal cutting is fallen, remaining part dust spread to entire working face, mine Geomantic omen nozzle on machine fuselage starts to spray water, and the dust settling of bulky grain is got off, and short grained dust recycling is mined to distance When at the slightly remote dedusting fan of machine, it is mounted on the high-pressure fine-spray nozzle above dedusting fan and is sprayed, it is efficient partial size Lesser dust particles settle down, by the ventilation dust discharge of fully-mechanized mining working, atomizing de-dusting, dedusting fan dedusting, dust-separation Measure greatly reduces the Dust Capacity of fully-mechanized mining working, improves underground rugged environment.
Detailed description of the invention
Fig. 1 is dust-separation-dust-removing method flow diagram in the present invention;
Fig. 2 is dust-separation-dust falling system schematic layout pattern in the present invention;
Fig. 3 is dust-separation-dust falling system schematic side view in the present invention.
Specific embodiment
The present invention provides a kind of dust-separation-dust-removing methods and dust-separation-drop for coal mining machine in full-mechanized mining face cutting dust Dirt system, to make the purpose of the present invention, technical solution and effect clearer, clear and definite, below further specifically to the present invention It is bright.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of dust-separation-dust-removing methods for coal mining machine in full-mechanized mining face cutting dust, as shown in Figure 1 , coalcutter 1 is started to work, and dedusting fan 5 extracts a large amount of dust that falls of 2 coal cutting of roller out, and remaining part dust is to entire Working face is spread, and the geomantic omen nozzle on 1 fuselage of coalcutter starts to spray water, and the dust settling of bulky grain is got off, short grained powder When dirt is diffused at the slightly remote dedusting fan 5 of coalcutter 1, be mounted on the high-pressure fine-spray nozzle 15 of the top of dedusting fan 5 into Row is spraying, efficient that the lesser dust particles of partial size are settled down, meanwhile, the transparent high-strength material being arranged in front of column 20 Material dust board 21 can stop the long range diffusion of dust, list (operating) water nozzle 24, dust removal brush 22 at transparent Materials with High Strength dust board 21 The dust-break mechanism of composition, reduces the diffusion of the dust of working face.
Further, coalcutter 1, dedusting fan 5, the sensor at transparent Materials with High Strength dust board 21 detect tunnel The information of 1 position of interior dust concentration and coalcutter, is transmitted to central processing unit, and central processing unit receives corresponding information, then Water pressure at 5 air force of dedusting fan and water supply pump is controlled, when dust concentration is larger, air quantity increases, and increases dedusting wind 5 air quantity of machine and water supply pump hydraulic pressure, to reach dust removing effects best under existing concentration;When dust concentration is small, dedusting wind is reduced 5 air quantity of machine and water supply pump hydraulic pressure;
Coal machine position transmitters are arranged at 1 fuselage of coalcutter, when coalcutter 1 is mobile, the coal machine that is mounted on hydraulic support Position receiver receives signal, under the automatic control of central processing unit, if 1 weather side of coalcutter is quarreled and downwind side whole liquid Nozzle and dust removal brush at bracket is pressed to start to work.
The present invention also provides a kind of coal mining machine in full-mechanized mining face cutting dust using above-mentioned dust-separation-dust-removing method every Dirt-dust falling system, it is as shown in Figures 1 and 2 comprising coalcutter 1, wherein multiple the have been evenly arranged on 1 fuselage of coalcutter One geomantic omen nozzle 9, front, the rear of coalcutter 1 are arranged with wooden handcart, and dedusting fan 5, dedusting fan 5 are provided on wooden handcart On be evenly arranged multiple second geomantic omens nozzle 18, high-pressure fine-spray nozzle 15, the rolling of coalcutter 1 are disposed with above dedusting fan 5 Cylinder 2 is connected by corresponding air duct 12 with corresponding dedusting fan 5;It is provided between the column 20 and coalcutter 1 of hydraulic support 25 Transparent Materials with High Strength dust board 21, the top of transparent Materials with High Strength dust board 21 have been respectively arranged below single sprinkler head 24, transparent The corresponding position of Materials with High Strength dust board 21 is provided with dust removal brush 22, and single sprinkler head 24 cooperates with dust removal brush 22 for clearing up transparent height Dust on strong material dust board 21;Transparent Materials with High Strength dust board 21 forms closed section every space with fully-mechanized mining working, matches It closes dedusting fan 5, the first geomantic omen nozzle 9, the second geomantic omen nozzle 18 and dust-separation-is carried out to fully-mechanized mining working with high-pressure fine-spray nozzle 15 Depositing dust.
Moreover, being disposed with auto spraying frame 13 along above-mentioned 1 fuselage length direction of coalcutter, it is disposed on auto spraying frame 13 Respective nozzle.Multiple sensor of dust concentration 7, position sensor 8 are arranged on above-mentioned 1 fuselage of coalcutter, dedusting fan 5.
Further, above-mentioned dust-separation-dust falling system is configured with control centre, dedusting fan 5, the first geomantic omen nozzle 9, the Two geomantic omen nozzles 18, high-pressure fine-spray nozzle 15, auto spraying frame 13, sensor of dust concentration 7, position sensor 8, single sprinkler head 24, dust removal brush 22 is communicated to connect with the central processing unit of control centre, and control centre is for controlling dust-separation-dust falling system fortune Row state.And above-mentioned corresponding air duct 12 is energy crooked air cylinder, and when coalcutter 1 works, the part coal dust at roller 2 is through air duct It is extracted out by dedusting fan.
Especially, the adjusting of above-mentioned 5 air quantity of dedusting fan:
When 5 frequency changing regulating speed control apparatus of dedusting fan receives signal, because of variable-frequency motor revolving speed n=60* frequency/electrode pair Number, and because distinguished and admirable flow and revolving speed are proportional, i.e., distinguished and admirable flow Q1/Q2=n1/n2, therefore dedusting fan can be by adjusting Revolving speed adjusts air volume, and wherein n is variable-frequency motor revolving speed, and Q is distinguished and admirable air quantity.Above-mentioned wooden handcart and 1 fuselage pair of coalcutter Should place be connected, wooden handcart keeps opposing stationary with coalcutter 1, and wooden handcart is arranged on the drag conveyor track of fully-mechanized mining working, Wooden handcart can move simultaneously along drag conveyor track and coalcutter 1.In 1 fuselage long side of coalcutter far from coal wall side every a spacing From multiple nozzles are arranged, telescopic above-mentioned auto spraying frame 13 is arranged in the two sides in coalcutter fuselage middle position, it is automatic to spray 13 upper and lower of mist frame respectively arranges one group of nozzle, and one group of top arrangement of nozzles is on the cross tube of auto spraying frame 13, spray direction Upwards, for one group of lower section arrangement of nozzles on the sheer pole of auto spraying frame 13, the spray direction of all nozzles is upward.
In order to which the present invention is further described, it is exemplified below more detailed embodiment and is illustrated.
Dust-separation-dust falling system mainly includes that coalcutter 1, roller 2,1 fuselage of coalcutter are provided with the first geomantic omen nozzle 9, is adopted 1 front and back of coal machine is respectively equipped with dedusting fan 5, and 5 fuselage of dedusting fan is sensed equipped with the second geomantic omen nozzle 18, dust concentration Device 10, position transmitters 11, it is fixed by the roller 2 of air duct 12 and coalcutter 1, in order to form a closing in fully-mechanized mining working Space and better depositing dust, are equipped with transparent Materials with High Strength dust board 21 in front of column 20, and top is equipped with single (operating) water nozzle 6, dust Concentration sensor 7, position receiver 8 can bond a large amount of dust on transparent Materials with High Strength dust board 21, keep off in transparent Materials with High Strength It is equipped with dust removal brush 22 below dirt plate 21, in the work of this fully-mechanized mining working device for reducing dust, is preferably minimized mine dust density, and energy Guarantee that coalcutter operator clearly observes coal mining situation.
And when the start-up operation of coalcutter 1, dedusting fan 5 starts, the dust that extraction 2 coal cutting of roller is fallen, part dust It is spread to entire working face, the first geomantic omen nozzle 9 starts to spray water on 1 fuselage of coalcutter, can be by the biggish some dust of particle It settles down, the lesser dust of particle is mounted on dedusting fan 5 when being diffused at the slightly remote dedusting fan 5 of coalcutter 1 The droplet of the high-pressure fine-spray nozzle 15 of top, ejection can more efficiently settle down the lesser dust particles of partial size, together When, the transparent Materials with High Strength dust board 21 being arranged in front of column 20 can stop the long range diffusion of dust, transparent high-strength material The type dust arrester for expecting that list (operating) water nozzle 24 at dust board 21, dust removal brush 22 form can be effective in conjunction with entire working face measurements for reduction Reduction working face dust, give worker provide a good working environment.
As shown in figure 3, sensor of dust concentration, position at coalcutter 1, dedusting fan 5, transparent Materials with High Strength dust board 21 It sets receiver 8 and receives central processing unit of the information such as concentration in tunnel, 1 position of the coalcutter feedback to control centre, centre Reason device receives signal, re-sends to dedusting fan 5, at water supply pump, adjusts hydraulic pressure at 5 air force of dedusting fan and water supply pump Size, when dust concentration is larger, air quantity increases, and water supply pump hydraulic pressure increases, to reach dust removing effects best under existing concentration, When dust concentration is small, sensor feedback is to central processing unit, to reduce dedusting fan air quantity and water supply pump water pressure.
Further, as shown in Figures 1 and 3, a large amount of powder are generated during 1 coal cutting of coalcutter in working face Dirt, in 2 corresponding position of roller of coalcutter 1, arrangement air duct 12 connects dedusting fan 5, for example, front roll and the front of coalcutter 1 are removed Dirt blower is connected, and back roll is connected with the dedusting fan at 1 rear of coalcutter;The air duct 12 is flexible air duct, works as coalcutter When work, the part coal dust at roller 2 is extracted out through air duct by dedusting fan 5.
Dedusting fan 5 is the ventilation blower being fixed on the wooden handcart of the forward and backward side of coalcutter 1, is pacified on the fuselage of dedusting fan 5 Fill corresponding nozzle, mine dust density sensor 10, position transmitters 11;The high-pressure fine-spray nozzle 15 of 5 top of dedusting fan is spraying, Dust size from making to be diffused into dedusting fan 5 near coalcutter 1 constantly reduces, and top is using high-pressure fine-spray nozzle to granule Diameter dust is more effective, and middle part uses the second geomantic omen nozzle 18, and the dust slightly larger for partial size effectively controls, under dedusting fan 5 Portion is using single (operating) water nozzle 19, for the big partial size dust settled on the coal breakage and bottom plate on drag conveyor, meanwhile, dedusting fan Also single (operating) water nozzle, water mist spray to fan blade to arrangement at 5 suction openings, and most of dust settlings that blower is extracted out are got off.
And the concentration value that sensor of dust concentration 7 will test is transmitted to central processing unit, when face dust concentration mistake When big, the health of worker and the visibility of working face will affect, so central processing unit is by signal when working face concentration increases The revolving speed converter plant for being transmitted to dedusting fan 5 increases air quantity and spraying pressure with the spraying round-trip number converter plant of pump plunger Power.
Wooden handcart is connect with coalcutter 1, keeps opposing stationary with coalcutter 1, and a dedusting fan is respectively arranged in 1 front and back of coalcutter 5, dedusting fan 5 is placed on wooden handcart, is moved simultaneously along drag conveyor track and coalcutter 1;
Multiple nozzles are arranged at a certain distance far from coal wall side in 1 fuselage long side of coalcutter, among coalcutter fuselage The two sides of position arrange that telescopic above-mentioned auto spraying frame 13,13 upper and lower of auto spraying frame respectively arrange one group of nozzle, top For one group of arrangement of nozzles on the cross tube of auto spraying frame 13, spray direction is upward, and one group of lower section arrangement of nozzles is in auto spraying On the sheer pole of frame 13, the spray direction of all spray heads is upward, and when hydraulic support 25 is larger, auto spraying frame 13 is artificially being controlled Under system, the adjustable height of spraying frame can be set by man-machine interface, to realize the automatic control of spraying frame.
Auto spraying frame 13 can under different hydraulic supports 25 automatic adjusting support height, when hydraulic support 25 compared with Small, when the nozzle spray on 1 fuselage of coalcutter can achieve dust-laying effect, auto spraying frame 13 can lower completely, and Bottom can rotate, horizontal at coalcutter fuselage.
The type dust arrester in 20 front of column is transparent Materials with High Strength dust board 21, and transparent Materials with High Strength dust board 21 is arranged in Arrange that single (operating) water nozzle 24, water mist spray to transparent Materials with High Strength between column 20 and cable trough, at transparent Materials with High Strength dust board 21 Dust board 21, the dust bonded on clean transparent Materials with High Strength dust board 21, meanwhile, in transparent about 21 Materials with High Strength dust board Setting dust removal brush 22 in side's effectively removes the dust on baffle, prevents dust from stopping work sight, improve working efficiency.
Arrange that two nozzles, each hydraulic support 25 install two pieces of transparent Materials with High Strength dust-breaks between each hydraulic support 25 Plate 21 forms a continuous transparent Materials with High Strength baffle;Every two hydraulic support 25 installs two dust removal brush 22, is driven by motor Dynamic, when single (operating) water nozzle 24 is sprayed water, dust removal brush 22 is started to work;
Installation site transmitter 11 at coalcutter 1, when coalcutter 1 is mobile, position transmitters can be effectively by coalcutter 1 Location information is sent to the position receiver 8 being mounted at the column 20 of each hydraulic support 25, when 1 weather side of coalcutter is several When a hydraulic support 25 and downwind side whole hydraulic support 25 receive the position signal of coalcutter 1, transparent Materials with High Strength dust-break Single (operating) water nozzle 24 starts to spray water on plate 21, and dust removal brush is started to work.
Certainly, described above is only that presently preferred embodiments of the present invention is answered the present invention is not limited to enumerate above-described embodiment When explanation, anyone skilled in the art is all equivalent substitutes for being made, bright under the introduction of this specification Aobvious variant, all falls within the essential scope of this specification, ought to be by protection of the invention.

Claims (10)

1. a kind of dust-separation-dust-removing method for coal mining machine in full-mechanized mining face cutting dust comprising following steps:
Coalcutter is started to work, a large amount of dust that falls of dedusting fan extraction roller coal cutting, and remaining part dust is to entire work Make face diffusion, the geomantic omen nozzle on coalcutter fuselage starts to spray water, and the dust settling of bulky grain is got off, and short grained dust expands When being scattered at the slightly remote dedusting fan of coalcutter, it is mounted on the high-pressure fine-spray nozzle above dedusting fan and is sprayed, had Efficiency settles down the lesser dust particles of partial size, meanwhile, the transparent Materials with High Strength dust board energy being arranged in front of column Enough stop the long range diffusion of dust, the dust-break mechanism of list (operating) water nozzle, dust removal brush composition, reduces at transparent Materials with High Strength dust board The diffusion of the dust of working face.
2. dust-separation-dust-removing method according to claim 1, which is characterized in that above-mentioned steps specifically further include:
Coalcutter, dedusting fan, the sensor at transparent Materials with High Strength dust board detect dust concentration and coal mining in tunnel The information that seat in the plane is set is transmitted to central processing unit, and central processing unit receives corresponding information, then controls dedusting fan air force With water pressure at water supply pump, when dust concentration is larger, air quantity increases, and increases dedusting fan air quantity and water supply pump hydraulic pressure, comes Reach dust removing effects best under existing concentration;When dust concentration is small, dedusting fan air quantity and water supply pump hydraulic pressure are reduced;
Coal machine position transmitters are arranged at coalcutter fuselage, when coalcutter is mobile, the coal seat in the plane being mounted on hydraulic support, which is set, to be connect It receives device and receives signal, under the automatic control of central processing unit, if coalcutter weather side is quarreled and downwind side whole hydraulic support Locate nozzle and dust removal brush is started to work.
3. a kind of dust-separation-drop of the coal mining machine in full-mechanized mining face cutting dust using dust-separation-dust-removing method as described in claim 1 Dirt system comprising coalcutter, which is characterized in that multiple first geomantic omens nozzle, coalcutter have been evenly arranged on coalcutter fuselage Front, rear be arranged with wooden handcart, dedusting fan is provided on wooden handcart, multiple second wind have been evenly arranged on dedusting fan (operating) water nozzle, dedusting fan top are disposed with high-pressure fine-spray nozzle, and the roller of coalcutter passes through corresponding air duct and corresponding dedusting fan It is connected;Transparent Materials with High Strength dust board, transparent Materials with High Strength dust board are provided between the column and coalcutter of hydraulic support Top, be respectively arranged below single sprinkler head, the corresponding position of transparent Materials with High Strength dust board is provided with dust removal brush, single sprinkler head Cooperate the dust for clearing up on transparent Materials with High Strength dust board with dust removal brush;Transparent Materials with High Strength dust board and fully-mechanized mining working Closed section is formed every space, cooperates dedusting fan, the first geomantic omen nozzle, the second geomantic omen nozzle and high-pressure fine-spray nozzle to fully mechanized mining Working face carries out dust-separation-depositing dust.
4. dust-separation-dust falling system according to claim 3, which is characterized in that along above-mentioned coalcutter fuselage length direction cloth It is equipped with auto spraying frame, is disposed with respective nozzle on auto spraying frame.
5. dust-separation-dust falling system according to claim 3, which is characterized in that on above-mentioned coalcutter fuselage, dedusting fan It is disposed with multiple sensor of dust concentration, position sensor.
6. dust-separation-dust falling system according to claim 5, which is characterized in that above-mentioned dust-separation-dust falling system is configured with control Center, dedusting fan, the first geomantic omen nozzle, the second geomantic omen nozzle, high-pressure fine-spray nozzle, auto spraying frame, dust concentration sensing Device, position sensor, single sprinkler head, dust removal brush are communicated to connect with the central processing unit of control centre, and control centre is for controlling The operating status of dust-separation-dust falling system processed.
7. dust-separation-dust falling system according to claim 6, which is characterized in that above-mentioned corresponding air duct is energy crooked air cylinder, when When coalcutter works, the part coal dust at roller is extracted out through air duct by dedusting fan.
8. dust-separation-dust falling system according to claim 6, which is characterized in that the adjusting of above-mentioned dedusting fan air quantity:
When dedusting fan frequency changing regulating speed control apparatus receives signal, because of variable-frequency motor revolving speed n=60* frequency/electrode logarithm, again Because distinguished and admirable flow and revolving speed are proportional, i.e., distinguished and admirable flow Q1/Q2=n1/n2, therefore dedusting fan can come by adjusting revolving speed Air volume is adjusted, wherein n is variable-frequency motor revolving speed, and Q is distinguished and admirable air quantity.
9. dust-separation-dust falling system according to claim 6, which is characterized in that above-mentioned wooden handcart and coalcutter fuselage corresponding position It is connected, wooden handcart keeps opposing stationary with coalcutter, and wooden handcart is arranged on the drag conveyor track of fully-mechanized mining working, wooden handcart energy It is moved simultaneously along drag conveyor track and coalcutter.
10. dust-separation-dust falling system according to claim 4, which is characterized in that in coalcutter fuselage long side far from coal wall one Multiple nozzles are arranged in side at a certain distance, arrange telescopic above-mentioned auto spraying in the two sides in coalcutter fuselage middle position Frame, auto spraying frame upper and lower respectively arrange one group of nozzle, and one group of top arrangement of nozzles is on the cross tube of spraying frame, spray direction Upwards, for one group of lower section arrangement of nozzles on the sheer pole of spraying frame, the spray direction of all nozzles is upward.
CN201810704212.6A 2018-07-02 2018-07-02 Dust-separation-dust-removing method and dust-separation-dust falling system for coalcutter cutting dust Pending CN108915684A (en)

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CN112360459A (en) * 2021-01-12 2021-02-12 天地科技股份有限公司 Comprehensive dustproof method for rapid tunneling working face

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CN112360459B (en) * 2021-01-12 2021-04-02 天地科技股份有限公司 Comprehensive dustproof method for rapid tunneling working face

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Application publication date: 20181130