CN102979550A - Device for improving dust work environment of underground coal mine - Google Patents
Device for improving dust work environment of underground coal mine Download PDFInfo
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- CN102979550A CN102979550A CN201210539297XA CN201210539297A CN102979550A CN 102979550 A CN102979550 A CN 102979550A CN 201210539297X A CN201210539297X A CN 201210539297XA CN 201210539297 A CN201210539297 A CN 201210539297A CN 102979550 A CN102979550 A CN 102979550A
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Abstract
The invention discloses a device for improving the dust work environment of an underground coal mine, belonging to a dust removing device of the underground coal mine. The bottom of a bottom plate is connected with wheels; the bottom plate is connected with a speed reducer, a motor and a middle segment rotor; the upper end of the middle segment rotor is connected with a hopper; a machine top dust remover is arranged above the hopper; the middle segment rotor is externally connected with a middle segment dust remover; the bottom of the middle segment rotor is provided with a material outlet; the motor is connected with the middle segment rotor through the speed reducer; the speed reducer is positioned at the bottoms of the motor and the middle segment rotor; a dust storage box is positioned at one side and is connected with the machine top dust remover and the middle segment dust remover through a dust collecting pipe. The device for improving the dust work environment of the underground coal mine has the advantages that 1, the noise is lowered to be less than 65 decibels; 2, the device is not provided with movable parts and needs not to be maintained; 3, the device is compact in structure, low in size, low in cost, light in weight and is convenient to move and carry; 4, the device is strong in air flow, adjustable in size, and less in air consumption, and the collection coefficient is about 90%; 5, the device is simple and convenient to operate; and 6, a power source is not used, so that explosion hazard cannot occur.
Description
Technical field
Patent of the present invention relates to a kind of dust removing down-hole of coal mine device, particularly a kind of device that improves dust work environment under the coal mine.
Background technology
The normal operation concrete sprayer carries out supporting to the tunnel in colliery on the colliery, and concrete sprayer easily produces a large amount of cement dusts in the use procedure under coal mine, cause dust work environment under the coal mine.
At present, concrete sprayer in use produces a large amount of cement dusts under the coal mine in order to reduce, it generally is near placement axial-flow type dedusting fan concrete sprayer, the axial-flow type dedusting fan has the pull-out type explosion-proof axial-flow ventilator, ventilation fan is installed on the support, ventilation fan is connected with deduster by air chimney, and water injector is arranged in the deduster, and sewage outlet is arranged at the bottom.Utilize the rotation of motor drives fan blade, produce air stream, air sucks dust laden air from air inlet port and sucks dedusting fan through blower fan power, during by the blower fan built-in filter, the water spray device that arranges at airintake direction makes the moistening weightening finish of dust to the filter spraying, solidifies or is detained.
There is following shortcoming in the type dedusting fan: 1, noise is large, about 80 decibels; 2, maintenance is large because Source of Dust is mainly cement, dust with very easily solidify after water mixes, cause filter obstruction damage; 3, because the air quantity that blower fan produces is little, blast is low, and is placed near the pneumatically placed concrete spraying machine, can only reach at most the 20-30% of total dust; 4, body is heavy, and minimum dedusting fan is about 800 kilograms, is not suitable for the regular migration in down-hole and uses;
Summary of the invention
The present invention seeks to provide a kind of efficiency of dust collection high, quality is light, safeguards simply the device that improves dust work environment under the coal mine that noise is low.
The present invention seeks to realize like this: this device comprises: hopper, machine top deduster, stage casing deduster, discharging opening, chassis, stage casing rotor, motor, reductor and wheel; Bottom on the chassis is connected with wheel, be connected with reductor, motor and stage casing rotor on the chassis, upper end at the stage casing rotor is connected with hopper, organic top deduster is externally connected with the stage casing deduster at the stage casing rotor above hopper, in the bottom of stage casing rotor discharging opening is arranged, motor via reducer is connected with the stage casing rotor, reductor is positioned at the bottom of motor and stage casing rotor, has dust storage tank to be positioned at a side, is connected with the stage casing deduster with machine top deduster by dust leg.
Described machine top deduster comprises: dust leg, Compressed Gas entrance, air enhancer and machine top cone-shaped hood; The air enhancer is connected to the top of machine top cone-shaped hood, and it is a plurality of to arrange, and the air inlet port of air enhancer is positioned at machine top cone-shaped hood, and dust leg is connected with the gas outlet of air enhancer, dust leg is positioned at outside the machine addendum cone shape dust gathering arrester, between dust leg and air enhancer the Compressed Gas entrance is arranged.
Described stage casing deduster comprises dust leg, Compressed Gas entrance, air enhancer and stage casing cone-shaped hood; An air enhancer is connected to the top of a stage casing cone-shaped hood, the air inlet port of air enhancer is positioned at the stage casing cone-shaped hood, gas outlet at the air enhancer is connected with dust leg, between dust leg and air enhancer the Compressed Gas entrance is arranged, the stage casing cone-shaped hood is a plurality of stage casing peritrochanterics that are distributed on.
Described dust storage tank comprises: dust leg, sparge pipe and disposal box; One end of dust leg is connected in the disposal box, and the other end of dust leg is connected with the air enhancer, and an end of sparge pipe penetrates in the dust leg, and fog-spray nozzle is arranged in dust leg, and the sparge pipe outside dust leg has valve.
Described air enhancer comprises: annular chamber, adjustable slit, retainer ring, horn mouth, compressed air mouth and gas outlet; Be wrapped with adjustable slit in the gas outlet, annular chamber is arranged in adjustable slit, an end of adjustable slit is horn mouth, and the other end of adjustable slit all retainer ring and gas outlet pipe is connected, and at the side arm of adjustable slit the compressed air mouth is arranged.
Beneficial effect: owing to adopted such scheme, but the shortcoming for the axial-flow type dedusting fan, the main position that the needs of building construction according to the ore deposit cause concrete sprayer to produce a large amount of dust when construction has two: one is the funnel on concrete sprayer top, cause the cement airborne dust at when filling with substance, another is the rotor in concrete sprayer stage casing, because rotation produces dust.For the position that dust produces, adopt at concrete sprayer funnel top the top deduster is installed, at the rotor in concrete sprayer stage casing the stage casing deduster is installed.Realized collection and the processing of dust from two positions, efficiency of dust collection is high, and quality is light, safeguards that simply noise is low, has reached purpose of the present invention.
Advantage: 1, noise low, less than 65 decibels.2, without movable component, non-maintaining.3, compact conformation, volume are little, cheap; Lightweight (100 kilograms of less thaies), be convenient to mobile carrying.4, current rate, big or small adjustable, the gas channel clear, consumption gas is few, and this device power source is compressed air, uses this device can effectively reduce the dust that the concrete sprayer machine produces, dust removal efficiency about 90%.5, simple to operation.6, do not use power supply, thereby do not have explosion danger, meet the colliery service condition.
Description of drawings
Fig. 1 is structure chart of the present invention.
Fig. 2 is machine item deduster structure chart of the present invention.
Fig. 3 is stage casing of the present invention deduster structure chart.
Fig. 4 is dust storage tank structure chart of the present invention.
Fig. 5 is air enhancer structure chart of the present invention.
Among the figure, 1, hopper; 2, machine top deduster; 3, stage casing deduster; 4, discharging opening; 5, chassis; 6, stage casing rotor; 7, motor; 8, reductor; 9, wheel; 2-1, dust leg; 2-2, Compressed Gas entrance; 2-3, air enhancer; 2-4, machine top cone-shaped hood; 2-5, stage casing cone-shaped hood; 3-2, sparge pipe; 3-3, disposal box; 4-1, annular chamber; 4-2, adjustable slit; 4-3, retainer ring; 4-4, horn mouth; 4-5, compressed air mouth; 4-6, gas outlet.
The specific embodiment
Embodiment 1: this device comprises: hopper 1, machine top deduster 2, stage casing deduster 3, discharging opening 4, chassis 5, stage casing rotor 6, motor 7, reductor 8 and wheel 9; 5 bottom is connected with wheel 9 on the chassis, 5 are connected with reductor 8, motor 7 and stage casing rotor 6 on the chassis, be connected with hopper 1 in the upper end of stage casing rotor 6, organic top deduster 2 above hopper 1, be externally connected with stage casing deduster 3 at stage casing rotor 6, in the bottom of stage casing rotor 6 discharging opening 4 is arranged, motor 7 is connected with stage casing rotor 6 by reductor 8, reductor 8 is positioned at the bottom of motor 7 and stage casing rotor 6, there is dust storage tank to be positioned at a side, is connected with stage casing deduster 3 with machine top deduster 2 by dust leg.
Described machine top deduster 2 comprises: dust leg 2-1, Compressed Gas entrance 2-2, air enhancer 2-3 and machine top cone-shaped hood 2-4; Air enhancer 2-3 is connected to the top of machine top cone-shaped hood 2-4, and it is a plurality of to arrange, the air inlet port of air enhancer 2-3 is positioned at machine top cone-shaped hood 2-4, dust leg 2-1 is connected with the gas outlet of air enhancer 2-3, dust leg 2-1 is positioned at outside the machine addendum cone shape dust gathering arrester 2-4, between dust leg 2-1 and air enhancer 2-3 the Compressed Gas entrance is arranged.
Described stage casing deduster 3 comprises dust leg 2-1, Compressed Gas entrance 2-2, air enhancer 2-3 and stage casing cone-shaped hood 2-5; An air enhancer 2-3 is connected to the top of a stage casing cone-shaped hood 2-5, the air inlet port of air enhancer 2-3 is positioned at stage casing cone-shaped hood 2-5, gas outlet at air enhancer 2-3 is connected with dust leg 2-1, between dust leg 2-1 and air enhancer 2-3 Compressed Gas entrance 2-1 is arranged, stage casing cone-shaped hood 2-5 is a plurality of being distributed on around the stage casing rotor 6.
Described dust storage tank comprises: dust leg 2-1, sparge pipe 3-2 and disposal box 3-3; The end of dust leg 2-1 is connected in the disposal box 3-3, and the other end of dust leg 2-1 is connected with air enhancer 2-3, and the end of sparge pipe 3-2 penetrates in the dust leg 2-1, in dust leg 2-1 fog-spray nozzle is arranged, and the sparge pipe 3-2 outside dust leg 2-1 has valve.
Described air enhancer 2-3 comprises: annular chamber 4-1, adjustable slit 4-2, retainer ring 4-3, horn mouth 4-4, compressed air mouth 4-5 and gas outlet; Be wrapped with adjustable slit 4-2 in the gas outlet, annular chamber 4-1 is arranged in adjustable slit 4-2, the end of adjustable slit 4-2 is horn mouth 4-4, and the other end of adjustable slit 4-2 all retainer ring 4-3 and gas outlet pipe is connected, and at the side arm of adjustable slit 4-2 the compressed air mouth is arranged.
Air enhancer principle: according to hydromechanical basic principle----wall attachment effect, utilize the compressed air of minute quantity to be entered in the annular chamber by air vent, this compressed gas source is in the place's throttling of the annulus of air enhancer, the thin air layer of consequent high speed is adsorbed onto sidewall, passes through centre bore thereby produce 90 ° turn to.The process that high velocity air flows through sidewall causes the generation of area of low pressure, center, thereby attracts a large amount of ambient air to pour in.The air expansion of these suctions, speed increases, and passes centre bore with the compressed air of supplying with.Produce a low-pressure area in cavity center, thereby a large amount of air is inhaled on every side, primary airstream and just form at a high speed after air-flow converges on every side, the air-flow of high power capacity flows out from the air amplifier gas outlet, the air capacity of outflow be air consumption 25-100 doubly.Namely utilize the air-flow of the exportable a large amount of high speeds of a small amount of compressed air, low pressure.This device utilizes the amplification of air enhancer, by arranging deduster in different zones, by effective guiding, make the air inlet side of air enhancer form certain negative pressuren zone, make the pure air in dustless zone flow to the airborne dust district, through the guiding of vent port conduit (dust leg), with the dust laden air carrying-off, prevent the dust diffusion, reduce the content of dust, reach the dedusting purpose.
One machine top cone-shaped hood is installed on concrete sprayer funnel top, at machine top cone-shaped hood 3 air enhancers are installed, air increases the air inlet port of gas facing to funnel, the gas outlet connects branch's dust leg, dust leg is the coil tension spring flexible pipe, the Compressed Gas entrance of air enhancer connects respectively a high-pressure rubber pipe, and being responsible for providing power source to enhancer is compressed air.Another part is four stage casing cone-shaped hoods and air enhancer and the composition such as supporting branch's dust leg and power source sebific duct.Two place's dust that this device is collected converge to dust storehouse at last by main dust leg, sparge pipe.
Claims (5)
1. device that improves dust work environment under the coal mine, it is characterized in that: this device comprises: hopper, machine top deduster, stage casing deduster, discharging opening, chassis, stage casing rotor, motor, reductor and wheel; Bottom on the chassis is connected with wheel, be connected with reductor, motor and stage casing rotor on the chassis, upper end at the stage casing rotor is connected with hopper, organic top deduster is externally connected with the stage casing deduster at the stage casing rotor above hopper, in the bottom of stage casing rotor discharging opening is arranged, motor via reducer is connected with the stage casing rotor, reductor is positioned at the bottom of motor and stage casing rotor, has dust storage tank to be positioned at a side, is connected with the stage casing deduster with machine top deduster by dust leg.
2. a kind of device that improves dust work environment under the coal mine according to claim 1, it is characterized in that: described machine top deduster comprises: dust leg, Compressed Gas entrance, air enhancer and machine top cone-shaped hood; The air enhancer is connected to the top of machine top cone-shaped hood, and it is a plurality of to arrange, and the air inlet port of air enhancer is positioned at machine top cone-shaped hood, and dust leg is connected with the gas outlet of air enhancer, dust leg is positioned at outside the machine addendum cone shape dust gathering arrester, between dust leg and air enhancer the Compressed Gas entrance is arranged.
3. a kind of device that improves dust work environment under the coal mine according to claim 1, it is characterized in that: described stage casing deduster comprises dust leg, Compressed Gas entrance, air enhancer and stage casing cone-shaped hood; An air enhancer is connected to the top of a stage casing cone-shaped hood, the air inlet port of air enhancer is positioned at the stage casing cone-shaped hood, gas outlet at the air enhancer is connected with dust leg, between dust leg and air enhancer the Compressed Gas entrance is arranged, the stage casing cone-shaped hood is a plurality of stage casing peritrochanterics that are distributed on.
4. a kind of device that improves dust work environment under the coal mine according to claim 1, it is characterized in that: described dust storage tank comprises: dust leg, sparge pipe and disposal box; One end of dust leg is connected in the disposal box, and the other end of dust leg is connected with the air enhancer, and an end of sparge pipe penetrates in the dust leg, and fog-spray nozzle is arranged in dust leg, and the sparge pipe outside dust leg has valve.
5. a kind of device that improves dust work environment under the coal mine according to claim 1, it is characterized in that: described air enhancer comprises: annular chamber, adjustable slit, retainer ring, horn mouth, compressed air mouth and gas outlet; Be wrapped with adjustable slit in the gas outlet, annular chamber is arranged in adjustable slit, an end of adjustable slit is horn mouth, and the other end of adjustable slit all retainer ring and gas outlet pipe is connected, and at the side arm of adjustable slit the compressed air mouth is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539297XA CN102979550A (en) | 2012-12-14 | 2012-12-14 | Device for improving dust work environment of underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539297XA CN102979550A (en) | 2012-12-14 | 2012-12-14 | Device for improving dust work environment of underground coal mine |
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| Publication Number | Publication Date |
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| CN102979550A true CN102979550A (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210539297XA Pending CN102979550A (en) | 2012-12-14 | 2012-12-14 | Device for improving dust work environment of underground coal mine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443142A (en) * | 2015-12-08 | 2016-03-30 | 河南省煤炭科学研究院有限公司 | Dust removal type concrete spraying machine |
| CN109611141A (en) * | 2019-01-11 | 2019-04-12 | 刘德太 | A kind of constructing tunnel dust-extraction unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2307252C1 (en) * | 2005-11-29 | 2007-09-27 | Открытое акционерное общество "Гранит-кузнечное" | Dust-depression plant |
| CN101858224A (en) * | 2010-06-12 | 2010-10-13 | 中煤第五建设有限公司第一工程处 | Dust collector for concrete sprayer |
| CN201771874U (en) * | 2010-08-05 | 2011-03-23 | 无锡英威华耀科技有限公司 | Air jetting amplifier |
| CN102071959A (en) * | 2010-11-23 | 2011-05-25 | 中煤第五建设有限公司第一工程处 | Mine dust removing device during mine construction |
-
2012
- 2012-12-14 CN CN201210539297XA patent/CN102979550A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2307252C1 (en) * | 2005-11-29 | 2007-09-27 | Открытое акционерное общество "Гранит-кузнечное" | Dust-depression plant |
| CN101858224A (en) * | 2010-06-12 | 2010-10-13 | 中煤第五建设有限公司第一工程处 | Dust collector for concrete sprayer |
| CN201771874U (en) * | 2010-08-05 | 2011-03-23 | 无锡英威华耀科技有限公司 | Air jetting amplifier |
| CN102071959A (en) * | 2010-11-23 | 2011-05-25 | 中煤第五建设有限公司第一工程处 | Mine dust removing device during mine construction |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443142A (en) * | 2015-12-08 | 2016-03-30 | 河南省煤炭科学研究院有限公司 | Dust removal type concrete spraying machine |
| CN105443142B (en) * | 2015-12-08 | 2018-01-02 | 河南省煤科院科明机电设备有限公司 | A kind of cleaning type concrete sprayer |
| CN109611141A (en) * | 2019-01-11 | 2019-04-12 | 刘德太 | A kind of constructing tunnel dust-extraction unit |
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Application publication date: 20130320 |