CN104695955A - Wind power expander type strong power air curtain dust controlling device - Google Patents
Wind power expander type strong power air curtain dust controlling device Download PDFInfo
- Publication number
- CN104695955A CN104695955A CN201510132343.8A CN201510132343A CN104695955A CN 104695955 A CN104695955 A CN 104695955A CN 201510132343 A CN201510132343 A CN 201510132343A CN 104695955 A CN104695955 A CN 104695955A
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- air
- air curtain
- fixed head
- chamber
- wind
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- 239000000428 dust Substances 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000003245 coal Substances 0.000 abstract 1
- 230000009545 invasion Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Nozzles (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a wind power expander type strong power air curtain dust controlling device. The wind power expander type strong power air curtain dust controlling device comprises a base and an air curtain generator arranged on the base. The air curtain generator comprises a first fixing plate, a second fixing plate and an air spraying mechanism clamped between the first fixing plate and the second fixing plate. The first fixing plate, the second fixing plate and the air spraying mechanism are fastened through a plurality of screws. The air spraying mechanism comprises a front disc and a rear disc, a gap is formed in a semicircular covering position of the front disc and the rear disc, the rear disc is internally provided with a circular air chamber and an air spraying chamber, the air wall of the air chamber is connected with the air chamber through a diverting port and an air groove, the first fixing plate and the front disc are provided with a round air inlet, and the air inlet is communicated with the air chamber. A small amount of underground pressure wind is adopted as power, a powerful air curtain is formed through the fluid mechanics principle, a protection layer is formed in front of an operator, dust invasion is prevented, power is not needed, and therefore potential safety hazards of electric appliances under a coal mine are avoided.
Description
Technical field
The present invention relates to control dirt field, what be specifically related to is the powerful Dust Control by Air Curtain device of a kind of wind-force expander formula.
Background technology
At mine down-hole, fully-mechanized digging machine cutting process produces a large amount of dust, is filled with whole operation site, and because driver of roadheader is nearest from product dirt pits, dust hinders the sight line of staff, easily cause the accident, and serious harm operating personnel's is healthy.
At present, generally adopt water pipe to carry out sprinkle water and spray dedusting for dust, main by the inside and outside spraying realization of fully-mechanized digging machine, too little impact of spraying is gone out dirt effect, and spraying affects fully-mechanized digging machine sight line too greatly.Rely on fully-mechanized digging machine spray for dust suppression effect very undesirable so simple.On the basis of water spray dedusting, add fan carries out dedusting at present, but still there is following shortcoming in this dedusting method: because dedusting fan process air quantity and speed can not process the dust of generation in time completely, dust produces diffusion, has a strong impact on driver's health, and affects blower fan dust removing effects.
Patent CN101761337B proposes a kind of air curtain sealing dedusting system on fully-mechanized excavating face, between the boring head and driver of fully-mechanized digging machine, air curtain generation device is installed, at the fully-mechanized digging machine body left and right sides and vertical direction jet-stream wind, form a closed air curtain vertical with tunneling direction, and the dust arrester for siphoning away dust in this enclosure space is also set on body.Air curtain generation device in this patent comprises nozzle, and nozzle is directly connected with underground pressure airduct, directly the compressed air of down-hole is formed an air curtain.But the drawback that this device exists: is directly use the compressed air air consumption of pressure ventilation pipe very large, not energy-conservation, two is that noise is very large, three is that volume is large, not easily installs and affect driver's sight line, four be due to be nozzle give vent to anger formed turbulent, air curtain is uneven, instability, makes dust be dispelled on the contrary, forms new diffuse pollution.
Summary of the invention
The object of the invention is to the above problem overcoming prior art existence; there is provided a kind of wind-force expander formula powerful Dust Control by Air Curtain device; underground pressure air is used to spray as flow type pump with injection at a high speed; thus drive the clean distinguished and admirable ejection together of driver side; form evenly powerful fan-shaped air curtain, such that the dust-laden in driver front is distinguished and admirable to come with the air exclusion of driver side, not only protected driver but also blocked the diffusion of dust; dedusting fan can suck dust air-flow at leisure, improves efficiency of dust collection.Meanwhile, due to the principle of flow type pump with injection, only consume a small amount of pressure wind, namely obtain powerful air-flow, reach energy-saving and cost-reducing object, and this device volume is little, noiselessness, uniform stream is stablized, control dirt Be very effective.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
The powerful Dust Control by Air Curtain device of a kind of wind-force expander formula, comprise base and be arranged on the air curtain generator on described base, described air curtain generator comprises the first fixed head, second fixed head and the jet mechanism be clipped between described first fixed head and described second fixed head, described first fixed head, described second fixed head and described jet mechanism pass through together with several screw fastenings, described jet mechanism comprises shroud and hub disk, described shroud and the semicircle place of covering of described hub disk have the gap for high velocity air ejection, circular air chamber is provided with in described hub disk, the locular wall of described air chamber is provided with several diffluence pass, described diffluence pass connects arc nozzle chamber by air drain, described first fixed head and described shroud are provided with air inlet port, described air inlet port communicates with described air chamber, described air inlet port is by being connected with down-hole blowpipe and carrying in compressed air to circular air chamber.
Certain interval is left between described first fixed head and described shroud and between described second fixed head and described hub disk.
The height of described hub disk is less than the height of described shroud, the bottom surface of described shroud, described hub disk and described first fixed head in same level, and and leave certain interval between base, described rear fixed plate is welded on base plate.
Described air inlet port is by air supply pipe and three way cock connecting downhole pressure ventilation pipe, a small amount of compressed air is inputted from air inlet port, after gas enters air chamber, compressed air undergoes rapid expansion, the ejection at a high speed of the semicircle gap also in the past between hub disk of arc nozzle chamber is entered at a high speed by the diffluence pass on air chamber, formed high-speed motion fan-shaped air-flow and front and back dish with front and back fixed head between gap location form negative pressuren zone, thus bring the outer air-flow of a large amount of dishes into, be mixed to form powerful air curtain, thus effectively interception is implemented to dust air-flow
The invention has the beneficial effects as follows:
The present invention is novel in design, and structure is simple, and pure frame for movement, does not have moving component, noiselessness, and volume is little, lightweight, installs easy to carry, has blocked dust recycling, has protected driver of roadheader, improves the efficiency of dust collection of dedusting fan.
Down-hole is used to press wind to do power on a small quantity; utilize the acting in conjunction of fluid mechanics principle band Moving plate outer air; form powerful tentiform air-flow; save compressed-air actuated consumption; energy-saving effect is obvious, forms a tentiform protection wall, and do not affect driver's sight line in face of operating personnel; block the diffusion of dust simultaneously, coordinate dedusting fan effectively to process dust-laden distinguished and admirable.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is stereogram of the present invention;
Fig. 2 is cut-away view of the present invention;
Fig. 3 is schematic diagram of the present invention.
Number in the figure illustrates: 1, base, 2, shroud, 3, hub disk, and the 4, first fixed head, the 5, second fixed head, 6, air inlet port, 7, air chamber, 8, nozzle chamber, 9, air drain, 10, diffluence pass.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
With reference to Fig. 1, shown in Fig. 2, the powerful Dust Control by Air Curtain device of a kind of wind-force expander formula, comprise base 1 and be arranged on the air curtain generator on described base 1, described air curtain generator comprises the first fixed head 4, second fixed head 5 and the jet mechanism be clipped between described first fixed head 4 and described second fixed head 5, gap is left between described first fixed head and base, described first fixed head 4, described second fixed head 5 and described jet mechanism pass through together with four screw fastenings, described jet mechanism comprises semicircular shroud 2 and semicircular hub disk 3, described shroud 2 and the described hub disk 3 top place of covering have gap, the gas produced outwards can be sprayed in gap, form a semicircular air curtain, circular air chamber 7 and the nozzle chamber 8 of arc is provided with in described hub disk 3, the locular wall of described air chamber 7 is provided with diffluence pass 10, described diffluence pass 10 connects described nozzle chamber 8 by air drain 9, described first fixed head 4 and described shroud 2 are provided with circular air inlet port 6, described air inlet port 6 communicates with described air chamber 7, when pouring in large quantity of air in described air chamber 7, gas can only to be passed into by air drain 9 from diffluence pass and spray into nozzle chamber 8.
The height of described shroud 2 is greater than the height of described hub disk 3, during such gas ejection, can spray vertically upward along median surface, described shroud 2, the bottom surface of described hub disk 3 and described first fixed head 4 is in same level, and leave certain gap with described base 1, described second fixed head 2 is welded on described base 1, front (outside of fixed head 2) dust-contained airflow is avoided to be drawn into air curtain, the gap location that the high speed winds that mine gas sprays due to the air curtain generator in device fails to be convened for lack of a quorum between fixed head and front and back coil produces negative pressuren zone, thus the air outside fixed head can be drawn into air curtain, Gu the second fixed head and base seal, make that the dust-laden in this device front is distinguished and admirable can not be drawn into curtain air flow bottom the second fixed head, block the diffusion of dust, ensure that the control dirt effect of device.
There is gap in upper cambered surface and the rear plate face of described nozzle chamber 8, when a large amount of gas enters nozzle chamber 8, undergoes rapid expansion also outwards sprays at a high speed in the gap in upper cambered surface and rear plate face, due to flow type pump with injection principle, generation negative pressuren zone, air curtain both sides, a large amount of gas pours in fast from the gap of bottom, forms a more powerful air curtain between the first fixed head 4 and the second fixed head 5.
The operating principle of the present embodiment:
With reference to shown in Fig. 3, base through screws is fixed on the work plane of fully-mechanized digging machine, the air supply pipe of the pressure ventilation pipe of down-hole with air inlet port 6 place is connected with three way cock by tracheae, air inlet port 6 place passes into the compressed air of 0.5-0.6 MPa, air supply pipe is through the first fixed head 4 and shroud, pass in air chamber, after gas enters narrow circular air chamber 7, undergoes rapid expansion, gas enters nozzle chamber rapidly from the diffluence pass 10 of air chamber 7, a large amount of gas enters in nozzle chamber 8, again owing to leaving gap between the upper wall of nozzle chamber 8 and rear plate, gas sprays in gap with high speed, finally spray in shroud 2 and the gap covered of hub disk 3, thus form the fan-shaped air curtain of high-speed motion, the region of air curtain and dish both sides, front and back forms a powerful draught head, thus driven extraneous a large amount of gas to enter the gap of the first fixed head 4 and shroud 2 and hub disk 3 fast with in the gap of the second fixed head 5 and ejection at a high speed together with compressed air curtain, form powerful air curtain stream, thus tackled the intrusion of operating personnel front dust, block the diffusion of dust, protect operating personnel, improve the efficiency of dust collection of dedusting fan.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the powerful Dust Control by Air Curtain device of wind-force expander formula, it is characterized in that: the air curtain generator comprising base (1) and be arranged on described base (1), described air curtain generator comprises the first fixed head (4), second fixed head (5) and the jet mechanism be clipped between described first fixed head (4) and described second fixed head (5), described first fixed head (4), described second fixed head (5) and described jet mechanism are by several screw fastenings together, described jet mechanism comprises shroud (2) and hub disk (3), air chamber (7) and nozzle chamber (8) is provided with in described hub disk (3), the locular wall of described air chamber (7) is provided with diffluence pass (10), described diffluence pass (10) connects described nozzle chamber (8) by air drain (9), described first fixed head (4) and described shroud (2) are provided with circular air inlet port (6), described air inlet port (6) communicates with described air chamber (7).
2. the powerful Dust Control by Air Curtain device of wind-force expander formula according to claim 1, it is characterized in that: the height of described shroud (2) is greater than the height of described hub disk (3), the bottom surface of described shroud (2), described hub disk (3) and described first front shoe (4) is in same level, and leave certain gap with described base (1), described second fixed head (2) is welded on described base (1).
3. the powerful Dust Control by Air Curtain device of wind-force expander formula according to claim 1, is characterized in that: there is gap in upper cambered surface and the rear plate face of described nozzle chamber (8).
4. the powerful Dust Control by Air Curtain device of wind-force expander formula according to claim 1, is characterized in that: described nozzle chamber (8) is arc.
5. the powerful Dust Control by Air Curtain device of wind-force expander formula according to claim 1, is characterized in that: described shroud (2) and described hub disk (3) the top place of covering have gap.
6. the powerful Dust Control by Air Curtain device of wind-force expander formula according to claim 1, is characterized in that: described air chamber (7) is for circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132343.8A CN104695955B (en) | 2015-03-25 | 2015-03-25 | A kind of wind-force expander formula strength Dust Control by Air Curtain device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132343.8A CN104695955B (en) | 2015-03-25 | 2015-03-25 | A kind of wind-force expander formula strength Dust Control by Air Curtain device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104695955A true CN104695955A (en) | 2015-06-10 |
| CN104695955B CN104695955B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510132343.8A Active CN104695955B (en) | 2015-03-25 | 2015-03-25 | A kind of wind-force expander formula strength Dust Control by Air Curtain device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104695955B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266411A (en) * | 2021-06-17 | 2021-08-17 | 南通钜拓环保科技有限公司 | Air curtain flow guide dust control air duct |
| CN116025406A (en) * | 2023-02-21 | 2023-04-28 | 中南大学 | Tunnel dust removal system and dust removal method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004225254A (en) * | 2003-01-20 | 2004-08-12 | Mitsui Miike Mach Co Ltd | Partial dust collector |
| EP1486642A2 (en) * | 2003-06-13 | 2004-12-15 | Cft Gmbh Compact Filter Technic | Dust remover with multi-jet nozzles |
| CN203847148U (en) * | 2014-05-29 | 2014-09-24 | 河南理工大学 | Device for driving working face to generate adjustable air curtain |
| CN104196534A (en) * | 2014-08-19 | 2014-12-10 | 山东科技大学 | Three-dimensional multidirectional rotational flow air curtain dust settling device and method for fully-mechanized excavation face |
| CN104196535A (en) * | 2014-08-19 | 2014-12-10 | 山东科技大学 | Air-water double-curtain dust settling device and method for fully-mechanized excavation face |
| CN204511443U (en) * | 2015-03-25 | 2015-07-29 | 陈业武 | The powerful Dust Control by Air Curtain device of a kind of wind-force expander formula |
-
2015
- 2015-03-25 CN CN201510132343.8A patent/CN104695955B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004225254A (en) * | 2003-01-20 | 2004-08-12 | Mitsui Miike Mach Co Ltd | Partial dust collector |
| EP1486642A2 (en) * | 2003-06-13 | 2004-12-15 | Cft Gmbh Compact Filter Technic | Dust remover with multi-jet nozzles |
| CN203847148U (en) * | 2014-05-29 | 2014-09-24 | 河南理工大学 | Device for driving working face to generate adjustable air curtain |
| CN104196534A (en) * | 2014-08-19 | 2014-12-10 | 山东科技大学 | Three-dimensional multidirectional rotational flow air curtain dust settling device and method for fully-mechanized excavation face |
| CN104196535A (en) * | 2014-08-19 | 2014-12-10 | 山东科技大学 | Air-water double-curtain dust settling device and method for fully-mechanized excavation face |
| CN204511443U (en) * | 2015-03-25 | 2015-07-29 | 陈业武 | The powerful Dust Control by Air Curtain device of a kind of wind-force expander formula |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266411A (en) * | 2021-06-17 | 2021-08-17 | 南通钜拓环保科技有限公司 | Air curtain flow guide dust control air duct |
| CN113266411B (en) * | 2021-06-17 | 2024-03-22 | 南通钜拓环保科技有限公司 | Air curtain flow guiding dust control air duct |
| CN116025406A (en) * | 2023-02-21 | 2023-04-28 | 中南大学 | Tunnel dust removal system and dust removal method thereof |
| CN116025406B (en) * | 2023-02-21 | 2024-01-02 | 中南大学 | Tunnel dust removal system and dust removal method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104695955B (en) | 2016-08-17 |
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