CN106677777A - Wet type dedusting fan for coal mining machine - Google Patents

Wet type dedusting fan for coal mining machine Download PDF

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Publication number
CN106677777A
CN106677777A CN201611086089.3A CN201611086089A CN106677777A CN 106677777 A CN106677777 A CN 106677777A CN 201611086089 A CN201611086089 A CN 201611086089A CN 106677777 A CN106677777 A CN 106677777A
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CN
China
Prior art keywords
air inlet
air
casing
built
impeller
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Granted
Application number
CN201611086089.3A
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Chinese (zh)
Other versions
CN106677777B (en
Inventor
周刚
孙彪
王家远
冯博
马云龙
邱磊
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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 CN201611086089.3A priority Critical patent/CN106677777B/en
Publication of CN106677777A publication Critical patent/CN106677777A/en
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Publication of CN106677777B publication Critical patent/CN106677777B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Details 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
    • E21C35/22Equipment 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/04Units comprising pumps and their driving means the pump being fluid-driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/002Details, component parts, or accessories especially adapted for elastic fluid pumps

Abstract

The invention provides a wet type dedusting fan for a coal mining machine. A fan body is provided with an air inlet machine shell. A built-in water way is arranged at an air inlet of the air inlet machine shell and provided with an inner spray nozzle set. High-pressure water storage boxes are separately arranged at the top and the bottom and in the center of the side face of the air inlet machine shell and each provided with an outer spray nozzle set. One side of the air inlet machine shell communicates with an impeller machine shell driven by a hydraulic motor. An air outlet machine shell is arranged under the impeller machine shell. A division demister is arranged at an air outlet of the air outlet machine shell. The high-pressure water storage boxes can provide sufficient flow and pressure for the inner spray nozzle set and the outer spray nozzle sets to form a large-scale water mist curtain, and the comprehensive effects such as collision and interception of mist drops on dust particles are enhanced. A rotational flow effect formed by high-speed rotation of an impeller driven by the hydraulic motor can achieve a secondary dust falling effect. The wet type dedusting fan is small in size, can serve as an accessory device to be mounted on a coal mining machine body, and can adapt to the operation environment with a narrow and complex fully mechanized mining face.

Description

A kind of Wet-type dust-removal fan for coal-winning machine
Technical field
The present invention relates to Mechanized wet dust collection technology field, more particularly to a kind of wet type for coal-winning machine Dedusting fan.
Background technology
With Mechanized mechanization, the continuous improvement of automatization level, the dust concentration in working face is drastically Increase, seriously threatened the safety in production of mine and the physical and mental health of miner.Practice at home and abroad shows with research:Wet dust removal wind Machine technology is one of maximally efficient means of solution mine working face dust pollution.But because Mechanized is to wind Machine processes the high requirement of air quantity and efficiency of dust collection, causes blower fan volume excessive so as to be not suitable with the narrow and small complicated operation of fully mechanized coal face Environment.Therefore, it is the dust concentration of effectively suppression Mechanized maximum dirt source (coal machine cut dust), improves depositing dust effect Rate, needs badly and designs based on wet scrubbing, the new and effective dedusting fan of Wind Volume, small size supplemented by ventilation and dust removal.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of wet dust removal wind for coal-winning machine Machine, is directly laid on coal-winning machine, to adapt to the narrow and small complicated operating environment of fully-mechanized mining working.
To solve above-mentioned technical problem, the present invention program includes:
A kind of Wet-type dust-removal fan for coal-winning machine, it includes fan body, wherein, air intake is provided with fan body Mouth casing, the air inlet of air inlet casing is provided with built-in water route, and built-in water route is used to connect working face static line, built-in Inner nozzle group is provided with water route, the center at the top, bottom and side of air inlet casing is respectively arranged with high pressure retaining Box, high pressure storage box is connected respectively with built-in water route, and outer nozzle group is provided with high pressure storage box;Air inlet casing side Impeller casing is communicated with, impeller casing lower section is provided with air outlet casing, and the air outlet of air outlet casing is provided with water conservancy diversion and removes Day with fog, water conservancy diversion demister is made up of deflector with vibratory string grid, and the normal of deflector is in 30 °~50 ° angles with the normal of air outlet, Vibratory string grid are made up of the vibratory string silk of vertical interlaced, are installed in deflector inner side;Water conservancy diversion demister is vibrated and water conservancy diversion by vibratory string silk Plate barrier, separation take dirt it is distinguished and admirable in droplet and grit, while air draft is guided into rib side.
Described Wet-type dust-removal fan, wherein, above-mentioned inner nozzle group includes three nozzles, installs respectively in above-mentioned built-in water Lu Shang, built-in water route is made up of three bodys, two-by-two vertically, is respectively communicated with the phase of the top of air inlet, bottom and side Answer high pressure storage box;Above-mentioned each outer nozzle group includes at least three nozzles, positioned at the top of air inlet, the outer nozzle group of bottom Install in 15 ° of angles with rib, the outer nozzle group of the side of air inlet is installed in parallel air current direction.
Described Wet-type dust-removal fan, wherein, on the high pressure storage box of the top and bottom of above-mentioned air inlet casing Air control device is provided with, air control device is by determining compressor flow, the injection flow and pressure of automatically controlled regulation inner and outer nozzles group.
Described Wet-type dust-removal fan, wherein, arrange free on the impeller casing of rib side in above-mentioned air outlet Cooler, air cooler is built-in with cold-producing medium, and the air cooler is used for be adjusted distinguished and admirable to air outlet.
Described Wet-type dust-removal fan, wherein, hydraulic motor is provided with above-mentioned impeller casing, hydraulic motor passes through speedup Device is connected with impeller, makes to form negative pressure in impeller casing by the high-speed rotation of impeller.
Described Wet-type dust-removal fan, wherein, it is coated with the air inlet of above-mentioned air inlet casing for preventing coal cinder from falling The protection network for falling.
The present invention provide a kind of Wet-type dust-removal fan for coal-winning machine, high pressure storage box can for inner nozzle group with it is outer Nozzle sets provide sufficient flow and pressure, so as to form large-scale fog screen, enhance collision, interception of the droplet to grit Deng comprehensive function, correspondingly increase again and the secondary dust removing effect to be formed is acted on by vortex-flow and defrosting;Air control device is by determining wind Machine flow, the injection flow and pressure of automatically controlled regulation inner and outer nozzles group, can not only reduce atomizing de-dusting the water yield loss and Atomizing effect can be optimized, dust reduction rate is improved;The fog screen that inner and outer nozzles group is formed, can in the presence of blower negative pressure Effectively closing cut dirt source, prevents dust from spreading to personnel operating area, and Jing is determined, and maximum suction air volume can reach 300m3/min More than, efficiency of dust collection also more than 97%, can effectively reduce the dust concentration of coal mining driver and cut dirt source near zone; Impeller power comes from high-speed hydraulic motor and carries out secondary speedup to it using speed increaser, can either meet energy-conservation, efficient Operation, ensure that job safety again;And, compact of the present invention can be arranged on coal mining fuselage as auxiliary equipment, can Adapt to the narrow and small complicated operating environment of fully-mechanized mining working.
Description of the drawings
Fig. 1 is the main structure diagram of Wet-type dust-removal fan in the present invention;
Fig. 2 is the overlooking the structure diagram of Wet-type dust-removal fan in the present invention;
Fig. 3 is the side structure schematic view of Wet-type dust-removal fan in the present invention;
Fig. 4 is the structural representation of turbine group in the present invention.
Specific embodiment
The invention provides a kind of Wet-type dust-removal fan for coal-winning machine, for make the purpose of the present invention, technical scheme and Effect is clearer, clear and definite, and below the present invention is described in more detail.It should be appreciated that specific embodiment described herein Only to explain the present invention, it is not intended to limit the present invention.
The invention provides a kind of Wet-type dust-removal fan for coal-winning machine, as shown in Figure 1, Figure 2 with shown in Fig. 3, it includes Fan body, wherein, air inlet casing 1 is provided with fan body, the air inlet of air inlet casing 1 is provided with built-in water route 5, built-in water route 5 is used to connect working face static line, and for each nozzle sets water source is provided.Interior spray is provided with built-in water route 5 Mouth group 6, the center at the top, bottom and side of air inlet casing 1 is respectively arranged with high pressure storage box 7, high pressure storage box 7 It is connected with built-in water route 5 respectively, outer nozzle group 8 is provided with high pressure storage box 7;The side of air inlet casing 1 is communicated with leaf Wheel casing 2, the lower section of impeller casing 2 is provided with air outlet casing 3, and the air outlet of air outlet casing 3 is provided with water conservancy diversion demister, Water conservancy diversion demister is made up of deflector 11 with vibratory string grid 15, and the normal of deflector 11 is in 30 °~50 ° angles with the normal of air outlet Degree, vibratory string grid 15 are made up of the vibratory string silk of vertical interlaced, are installed in the inner side of deflector 11;Water conservancy diversion demister is vibrated by vibratory string silk With the barrier of deflector 11, can efficiently separate take dirt it is distinguished and admirable in droplet and grit, while air draft is guided into rib side, leading Water smoke and grit can effectively be blocked while stream.
As shown in Figure 1 in another preferred embodiment of the present invention, above-mentioned inner nozzle group 6 includes three nozzles, respectively Install on above-mentioned built-in water route 5, built-in water route 5 is made up of three bodys, two-by-two vertically, be respectively communicated with the top of air inlet The corresponding high pressure storage box 7 of portion, bottom and side;Above-mentioned each outer nozzle group 8 includes at least three nozzles, positioned at air inlet Top, the outer nozzle group of bottom install in 15 ° of angles with rib, the outer nozzle group of the side of air inlet is in parallel air current side To installing.The fog screen that inner nozzle group 6, outer nozzle group 8 are sprayed is on the one hand by comprehensive functions pair such as collision, interception and diffusions Take dirt it is distinguished and admirable in grit fully trapped, on the other hand its fog screen can effectively close cut dirt in the presence of blower fan Source.
Further, it is provided with air control on the high pressure storage box 7 of the top and bottom of above-mentioned air inlet casing 1 Device 9, air control device 9 passes through to determine compressor flow, the automatically controlled regulation inner nozzle group 6, injection flow of outer nozzle group 8 and pressure, not only The water yield loss of atomizing de-dusting can be reduced and atomizing effect can be optimized, improve dust reduction rate.
And air cooler 10 is provided with the impeller casing 2 of rib side in above-mentioned air outlet, air cooler 10 is built-in There is cold-producing medium, the air cooler 10 is adjusted for distinguished and admirable to air outlet, and the temperature in adjustment work face improves operating environment. Additionally, the replaceable filling of condensing agent, energy-conserving and environment-protective are safe and reliable and air-conditioning effect is obvious.
It is as shown in Figure 4, be provided with hydraulic motor 12 in above-mentioned impeller casing 2, hydraulic motor 12 by speed increaser 13 with Impeller 14 is connected, and makes to form negative pressure in impeller casing 2 by the high-speed rotation of impeller 14, and then dust is entered by air inlet Enter in Wet-type dust-removal fan.The volume of Wet-type dust-removal fan is further reduced, its profile can adapt to the narrow and small complexity of fully-mechanized mining working Operating environment, can as auxiliary equipment be arranged on coal mining fuselage.It is coated with for preventing on the air inlet of above-mentioned air inlet casing 1 The protection network 4 that only coal cinder drops.
The basic functional principle of Wet-type dust-removal fan of the present invention is:
In above-mentioned coal-winning machine Wet-type dust-removal fan running, 12 Jing speed increasers of hydraulic motor, 13 2 speedup rear-guard movable vanes Wheel 14 rotates.The built-in water routes 5 of working face static pressure water Jing are delivered to high pressure storage box 7 and stored in it, are that outer nozzle group 8 is supplied To sufficient flow and injection pressure.Inner nozzle group 6 and outer nozzle group 8 injection formed fog screen with take dirt it is distinguished and admirable in powder Dirt dust catching is got off to be formed to take cloud drop by the comprehensive function of various mechanism such as collision, interception and diffusion and is made in negative pressure With lower entrance blower fan, the larger droplet of particle diameter is thrown to the inwall of impeller casing 2 under cyclonic action, and particle diameter is less to take cloud drop Continue to migrate, until after water conservancy diversion demister 11 is acted on, discharging blower fan.Protection network 4 by for mine machine operation when protect large volume Coal cinder destroys blower fan.Air control device 9 adjusts the atomisation pressure and flow of nozzle sets, so as to reduce the water yield by determining compressor flow It is lost and improves atomization quality.Air cooler 10 is freezed by condensing agent compression, distinguished and admirable to air outlet to carry out air-conditioning, adjustment work face Temperature, improves operating environment.Additionally, wind dedusting can not only be controlled after the operation of coal-winning machine Wet-type dust-removal fan, and nozzle sets are sprayed Penetrate the fog screen to be formed under suction function can effective closed cylinder, suppress dust recycling.
Certainly, described above is only presently preferred embodiments of the present invention, and the present invention is not limited to enumerate above-described embodiment, should When explanation, any those of ordinary skill in the art are all equivalent substitutes for being made, bright under the teaching of this specification Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.

Claims (6)

1. a kind of Wet-type dust-removal fan for coal-winning machine, it includes fan body, it is characterised in that be provided with fan body Air inlet casing, the air inlet of air inlet casing is provided with built-in water route, and built-in water route is used to connect working face static line, Inner nozzle group is provided with built-in water route, the center at the top, bottom and side of air inlet casing is respectively arranged with high pressure Storage box, high pressure storage box is connected respectively with built-in water route, and outer nozzle group is provided with high pressure storage box;Air inlet casing Side is communicated with impeller casing, and impeller casing lower section is provided with air outlet casing, and the air outlet of air outlet casing is provided with to be led Stream demister, water conservancy diversion demister is made up of deflector with vibratory string grid, and the normal of deflector is in 30 °~50 ° with the normal of air outlet Angle, vibratory string grid are made up of the vibratory string silk of vertical interlaced, are installed in deflector inner side;Water conservancy diversion demister by vibratory string silk vibration with Deflector barrier, separation take dirt it is distinguished and admirable in droplet and grit, while air draft is guided into rib side.
2. Wet-type dust-removal fan according to claim 1, it is characterised in that above-mentioned inner nozzle group includes three nozzles, point Do not install on above-mentioned built-in water route, built-in water route is made up of three bodys, two-by-two vertically, be respectively communicated with the top of air inlet The corresponding high pressure storage box of portion, bottom and side;Above-mentioned each outer nozzle group include at least three nozzles, positioned at air inlet it Top, the outer nozzle group of bottom are installed with rib in 15 ° of angles, and the outer nozzle group of the side of air inlet is in parallel air current direction Install.
3. Wet-type dust-removal fan according to claim 2, it is characterised in that positioned at the top and bottom of above-mentioned air inlet casing Air control device is provided with the high pressure storage box in portion, air control device is by determining compressor flow, the spray of automatically controlled regulation inner and outer nozzles group Amount of jet and pressure.
4. Wet-type dust-removal fan according to claim 1, it is characterised in that above-mentioned air outlet near rib side leaf Air cooler is provided with wheel casing, air cooler is built-in with cold-producing medium, and the air cooler is used for be adjusted distinguished and admirable to air outlet.
5. Wet-type dust-removal fan according to claim 1, it is characterised in that be provided with hydraulic pressure horse in above-mentioned impeller casing Reach, hydraulic motor is connected by speed increaser with impeller, make to form negative pressure in impeller casing by the high-speed rotation of impeller.
6. Wet-type dust-removal fan according to claim 1, it is characterised in that cover on the air inlet of above-mentioned air inlet casing There is the protection network for preventing coal cinder from dropping.
CN201611086089.3A 2016-12-01 2016-12-01 A kind of Wet-type dust-removal fan for coalcutter Active CN106677777B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611086089.3A CN106677777B (en) 2016-12-01 2016-12-01 A kind of Wet-type dust-removal fan for coalcutter

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Application Number Priority Date Filing Date Title
CN201611086089.3A CN106677777B (en) 2016-12-01 2016-12-01 A kind of Wet-type dust-removal fan for coalcutter

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CN106677777B CN106677777B (en) 2019-03-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107213739A (en) * 2017-07-20 2017-09-29 中国矿业大学(北京) A kind of New Coal Mine efficient composite wet scrubber
CN111754846A (en) * 2020-07-29 2020-10-09 山东科技大学 Standing wave experimental device and experimental method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843199A (en) * 1972-05-19 1974-10-22 Coal Industry Patents Ltd Apparatus for ventilating and providing dust suppression fluid to cutter-heads of mineral mining machines
CN102220877A (en) * 2011-05-27 2011-10-19 山东科技大学 Mine atomizing rotational flow dust collection fan
CN202249856U (en) * 2011-09-20 2012-05-30 平顶山市安泰华矿用安全设备制造有限公司 Dust collector for mine dust catcher
CN203017946U (en) * 2013-01-24 2013-06-26 山东汇发矿业科技有限公司 Wet-type dust remover
CN104474819A (en) * 2014-11-12 2015-04-01 山东科技大学 Wet-type dust-capturing wind current cooling device
CN104492208A (en) * 2014-11-12 2015-04-08 山东科技大学 Wet-type blower fan foam whirling current dedusting treatment device
CN204283475U (en) * 2014-11-24 2015-04-22 淄博矿业集团有限责任公司许厂煤矿 Liftable washes away dust suppression device
CN205047224U (en) * 2015-08-26 2016-02-24 安徽恒源煤电股份有限公司 Colliery is in pit with car formula foam dedusting ware

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843199A (en) * 1972-05-19 1974-10-22 Coal Industry Patents Ltd Apparatus for ventilating and providing dust suppression fluid to cutter-heads of mineral mining machines
CN102220877A (en) * 2011-05-27 2011-10-19 山东科技大学 Mine atomizing rotational flow dust collection fan
CN202249856U (en) * 2011-09-20 2012-05-30 平顶山市安泰华矿用安全设备制造有限公司 Dust collector for mine dust catcher
CN203017946U (en) * 2013-01-24 2013-06-26 山东汇发矿业科技有限公司 Wet-type dust remover
CN104474819A (en) * 2014-11-12 2015-04-01 山东科技大学 Wet-type dust-capturing wind current cooling device
CN104492208A (en) * 2014-11-12 2015-04-08 山东科技大学 Wet-type blower fan foam whirling current dedusting treatment device
CN204283475U (en) * 2014-11-24 2015-04-22 淄博矿业集团有限责任公司许厂煤矿 Liftable washes away dust suppression device
CN205047224U (en) * 2015-08-26 2016-02-24 安徽恒源煤电股份有限公司 Colliery is in pit with car formula foam dedusting ware

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107213739A (en) * 2017-07-20 2017-09-29 中国矿业大学(北京) A kind of New Coal Mine efficient composite wet scrubber
CN107213739B (en) * 2017-07-20 2023-08-25 中国矿业大学(北京) Novel high-efficient combined type wet dust collector in colliery
CN111754846A (en) * 2020-07-29 2020-10-09 山东科技大学 Standing wave experimental device and experimental method

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