CN114151083A - Coal mining machine compressed air and low-pressure water spray air water curtain dust settling device - Google Patents
Coal mining machine compressed air and low-pressure water spray air water curtain dust settling device Download PDFInfo
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- CN114151083A CN114151083A CN202111269192.2A CN202111269192A CN114151083A CN 114151083 A CN114151083 A CN 114151083A CN 202111269192 A CN202111269192 A CN 202111269192A CN 114151083 A CN114151083 A CN 114151083A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 239000000428 dust Substances 0.000 title claims abstract description 47
- 239000003245 coal Substances 0.000 title claims abstract description 38
- 239000007921 spray Substances 0.000 title claims abstract description 35
- 238000005065 mining Methods 0.000 title claims abstract description 34
- 238000005507 spraying Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 12
- 235000014676 Phragmites communis Nutrition 0.000 claims description 21
- 239000003595 mist Substances 0.000 claims 3
- 230000001629 suppression Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 238000000889 atomisation Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000011160 research Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
- E21C35/223—Equipment associated with mining machines for sucking dust-laden air from the cutting area, with or without cleaning of the air
Abstract
The application provides a coal mining machine air compression and low-pressure water spray air water curtain dust removal device, and belongs to the technical field of coal mining machine dust removal. The air-compressing and low-pressure water spray air-water curtain dust settling device for the coal mining machine comprises a rocker arm and an air-water spray assembly. A plurality of groups of air-water spraying assemblies are fixedly mounted at the upper end of the rocker arm, an adjusting mechanism is fixedly mounted at the lower ends of the plurality of groups of air-water spraying assemblies, and a roller is arranged on one side of the rocker arm; transition channels are formed in the two groups of sprayers, one sides of the transition channels are communicated with a gradually-reducing channel, one side of the gradually-reducing channel is provided with an air-water nozzle, the air inlet hole is communicated with the air inlet channel, one side in the air-water nozzle is provided with a mixing chamber, one side of the mixing chamber is communicated with a water outlet hole, one side of the water outlet hole is connected with a water outlet head, and the water outlet head is provided with a plurality of nozzle face shuttle-shaped holes.
Description
Technical Field
The application relates to the technical field of dust fall and dust removal of coal mining machines, in particular to a gas compression and low-pressure water spray gas water curtain dust removal device of a coal mining machine.
Background
At present, the operation of a coal mining machine is one of high dust sources of a coal mine, and various measures are tested for solving the dust problem of the coal mining machine. The method has the advantages that five researches are worth mentioning, firstly, the common sprayer and the Venturi sprayer are adopted to carry out downwind spraying research, and a certain effect is achieved on solving the problem of dust backflow of the traditional external spraying; secondly, various coal mining machine dust collectors are tested, and the dust collectors consist of mechanical local ventilators, hard air cylinders and dust removal facilities; thirdly, a dust absorption roller of the coal mining machine is developed, and dust is removed through a hydraulic dust absorption pipe arranged on the roller; fourthly, a coal mining machine foam dedusting test research is carried out, and the coal mining machine is used for forming foam by water and a surfactant through a foaming device; fifthly, high-pressure spraying research is carried out. High pressure spraying was tested; the device is arranged on a body of the coal mining machine, and is free of a throat pipe, a diffusion pipe and a suction chamber with different sections, and the spraying and dust collection can not change along with the change of the coal cutting position; a spray system with a rotating nozzle; radial spraying technology around the rocker arm of the coal mining machine and chemical dust settling agent dust settling technology.
These studies have been effective in reducing the dust generated by coal mining machines, however, for various reasons, the above techniques have not been widely applied and the most widespread measure is the internal and external spraying of coal mining machines. In actual use, the internal and external spraying still has some problems: the spray nozzles are arranged on the drum, and when the drum is used for cutting, part or all of the spray nozzles are buried in coal, so that the sprayed jet flow cannot be atomized, and even the spray nozzles are blocked; secondly, the spraying system in the coal mining machine cannot be normally used due to sealing and water leakage and nozzle blockage; thirdly, the water pressure in front of the nozzles is low, the atomization effect is poor, fourthly, the spraying direction and angle outside the coal mining machine are disordered, the number of the nozzles and the structure of the nozzles are unreasonable, and dust backflow is generated; fifthly, the existing gas-water spray has small atomization angle.
Disclosure of Invention
In order to make up for the defects, the application provides an air-compressing and low-pressure water spraying air-water curtain dust-settling device of a coal mining machine, aiming at solving the problems existing in internal and external spraying: the spray nozzles are arranged on the drum, and when the drum is used for cutting, part or all of the spray nozzles are buried in coal, so that the sprayed jet flow cannot be atomized, and even the spray nozzles are blocked; secondly, the spraying system in the coal mining machine cannot be normally used due to sealing and water leakage and nozzle blockage; thirdly, the water pressure in front of the nozzles is low, the atomization effect is poor, fourthly, the spraying direction and angle outside the coal mining machine are disordered, the number of the nozzles and the structure of the nozzles are unreasonable, and dust backflow is generated; fifthly, the existing gas-water spray has small atomization angle.
The embodiment of the application provides a compressed air and low-pressure water spray air-water curtain dust-settling device of a coal mining machine, which comprises a rocker arm and an air-water spray assembly.
A plurality of groups of air-water spraying assemblies are fixedly mounted at the upper end of the rocker arm, an adjusting mechanism is fixedly mounted at the lower ends of the plurality of groups of air-water spraying assemblies, a roller is arranged on one side of the rocker arm, and a machine body is arranged on the other side of the rocker arm; the air-water spraying assembly comprises two groups of sprayers, the lower ends of the sprayers form a certain angle to be connected, transition passages are formed in the sprayers, one sides of the transition passages are communicated with a gradually-reducing passage, one sides of the gradually-reducing passages are provided with air-water nozzles, the gradually-reducing passage is communicated with water inlet holes in the air-water nozzles, air inlet passages are formed in two sides of the transition passages, air inlet holes are formed in two sides of the water inlet holes, the air inlet holes are communicated with the air inlet passages, a mixing chamber is arranged in one side of each air-water nozzle, one side of each mixing chamber is communicated with a water outlet hole, one side of each water outlet hole is connected with a water outlet head, and a plurality of nozzle face fusiform holes are formed in the water outlet head.
In the above-mentioned realization in-process, be equipped with a plurality of groups air water spraying assembly through the rocking arm, can carry out dust fall effect to the dust, wherein air water spraying assembly lower extreme is equipped with adjustment mechanism, can carry out the angle and highly adjust the spraying to air water spraying assembly, increase dust fall scope and dust fall effect, water gets into the convergent passageway from excessive passageway, the convergent passageway extrudees water and enters into in the air water nozzle, get into the mixing chamber through the inlet opening, gas is atomized water in getting into the mixing chamber from the inlet opening, the water after the atomizing spouts the hydrojet from spout face fusiformis hole blowout through the apopore, air water spraying assembly is including two sets of atomizers, two channel droplet particle diameters are thinner, the air water curtain that the scope is bigger, respiratory dust fall effect obviously improves.
In a specific implementation scheme, the adjusting mechanism comprises a first connecting block, a second connecting block is connected to the inner lower end of the first connecting block in a clamping mode, and the first connecting block and the second connecting block are connected through an adjusting nut.
In the implementation process, the gas-water spraying assembly is convenient to adjust the vertical angle through the adjusting nut.
In a specific implementation scheme, the adjusting mechanism comprises a servo electric cylinder, the output end of the servo electric cylinder is connected with a first supporting plate, and the lower end of the second connecting block is fixedly connected with the first supporting plate.
In the implementation process, the servo electric cylinder is arranged, so that the air-water spraying assembly can be driven to perform height adjustment.
In a specific implementation scheme, the adjusting mechanism comprises a servo motor, the output end of the servo motor is connected with a second supporting plate through a coupler, the lower end of the servo electric cylinder is fixedly connected with the second supporting plate, and the servo motor is fixedly installed on the rocker arm.
In the implementation process, the air water spraying assembly can be driven to adjust the rotating angle by being provided with the servo motor, and the dust falling effect can be carried out in different ranges.
In a specific implementation scheme, a plurality of groups of the air-water spraying assemblies are provided with openings facing the roller, and the included angles between the central lines of the plurality of groups of the air-water spraying assemblies and the horizontal plane are 100 degrees, 140 degrees and 180 degrees in sequence.
In the implementation process, the dust falling function can be performed on the opposite side of the roller through the arrangement of different included angles.
In a specific embodiment, one side of the water inlet hole is communicated with a tapered hole, and one side of the tapered hole is communicated with a transverse water channel.
In the implementation process, the arrangement of the transverse water channel can increase the atomization effect.
In a specific embodiment, a reed whistle is fixedly installed in the water inlet hole and is positioned on the central line of the water inlet hole.
In the implementation process, through the arrangement of the reed whistle, when the air-water nozzle works normally, water flow drives the reed to vibrate to make whistle sound through the reed whistle, and after the nozzle is blocked, the reed whistle sound changes or does not occur, so that whether the air-water nozzle is blocked or not can be distinguished according to the sound of the reed whistle.
In a specific embodiment, a conical outlet is formed on one side of the water outlet hole.
In the implementation process, the water spraying range can be enlarged through the arrangement of the conical outlet, and the atomization effect is increased.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of an air-water spray assembly arrangement for a left rocker arm of a coal mining machine according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a gas-water spray assembly according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of a gas-water spray assembly according to an embodiment of the present disclosure;
FIG. 4 is a schematic cross-sectional view of a gas-water nozzle provided in the embodiment of the present application;
FIG. 5 is a schematic side view of the gas/water nozzle according to the embodiment of the present application.
In the figure: 100. a rocker arm; 110. a drum; 120. a body; 200. a gas-water spray assembly; 210. a sprayer; 211. a transition passage; 212. a tapered channel; 213. an air intake passage; 220. a gas-water nozzle; 221. a water inlet hole; 222. an air inlet; 223. a mixing chamber; 224. a water outlet hole; 225. a water outlet head; 226. a nozzle face shuttle-shaped hole; 227. a tapered bore; 228. a transverse water channel; 229. a conical outlet; 230. reed whistle; 300. an adjustment mechanism; 310. a first connection block; 311. a second connecting block; 312. adjusting the nut; 320. a servo electric cylinder; 321. a first support plate; 330. a servo motor; 331. a second support plate.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, the present application provides a dust settling device for a compressed air and low pressure water spray air curtain of a coal mining machine, which comprises a rocker arm 100 and an air water spray assembly 200.
Referring to fig. 1 to 5, a plurality of sets of air-water spraying assemblies 200 are fixedly installed at the upper end of a rocker arm 100, an adjusting mechanism 300 is fixedly installed at the lower end of the plurality of sets of air-water spraying assemblies 200, a roller 110 is arranged at one side of the rocker arm 100, and a machine body 120 is arranged at the other side of the rocker arm 100; the air-water spraying assembly 200 comprises two groups of sprayers 210, the lower ends of the two groups of sprayers 210 are connected at a certain angle, transition passages 211 are formed in the two groups of sprayers 210, one side of each transition passage 211 is communicated with a gradually-reducing passage 212, one side of each gradually-reducing passage 212 is provided with an air-water nozzle 220, the gradually-reducing passages 212 are communicated with water inlet holes 221 in the air-water nozzles 220, air inlet passages 213 are formed in two sides of each transition passage 211, air inlet holes 222 are formed in two sides of each water inlet hole 221, the air inlet holes 222 are communicated with the air inlet passages 213, a mixing chamber 223 is arranged on one side in the air-water nozzle 220, one side of each mixing chamber 223 is communicated with a water outlet hole 224, one side of each water outlet hole 224 is connected with a water outlet head 225, and a plurality of nozzle face shuttle-shaped holes 226 are formed in the water outlet heads 225.
In this embodiment, the adjusting mechanism 300 includes a first connecting block 310, a second connecting block 311 is connected to the inner lower end of the first connecting block 310 in a snap-fit manner, the first connecting block 310 is connected to the second connecting block 311 through an adjusting nut 312, and the vertical angle of the air-water spraying assembly 200 can be conveniently adjusted by providing the adjusting nut 312, the adjusting mechanism 300 includes a servo electric cylinder 320, the output end of the servo electric cylinder 320 is connected to a first supporting plate 321, the lower end of the second connecting block 311 is fixedly connected to the first supporting plate 321, and the air-water spraying assembly 200 can be driven to perform height adjustment by providing the servo electric cylinder 320, the adjusting mechanism 300 includes a servo motor 330, the output end of the servo motor 330 is connected to a second supporting plate 331 through a coupler, the lower end of the servo electric cylinder 320 is fixedly connected to the second supporting plate 331, the servo motor 330 is fixedly mounted on the rocker arm 100, and by providing the servo motor 330, the air-water spraying assembly 200 can be driven to adjust the rotation angle, and the dust falling effect can be realized in different ranges.
In this application file, a plurality of groups air water spraying subassembly 200 opening sets up towards cylinder 110, a plurality of groups air water spraying subassembly 200 central line be 100 with the contained angle of horizontal plane in proper order, 140 °, 180, through the setting of different contained angles, can be to cylinder 110 other side for carrying out the dust fall effect, inlet opening 221 one side intercommunication has convergent hole 227, convergent hole 227 one side intercommunication has horizontal water course 228, setting through horizontal water course 228, multiplicable atomization effect, toper export 229 has been seted up to apopore 224 one side, can enlarge the water spray scope through setting up of toper export 229, increase atomization effect.
When the gas-water nozzle is specifically arranged, the reed whistle 230 is fixedly arranged in the water inlet 221, the reed whistle 230 is positioned on the central line of the water inlet 221, water flow drives the reed to vibrate to make a whistle sound through the reed whistle 230 when the gas-water nozzle 220 normally works, the reed whistle 230 makes a sound change or does not make a sound after the nozzle is blocked, whether the gas-water nozzle 220 is blocked can be judged according to the sound of the reed whistle 230, the reed whistle 230 is a rectangular block-shaped reed whistle 230, and the free end of the reed whistle 230 is provided with a sharp part, so that whether the nozzle is blocked can be judged by listening to the sound.
Specifically, the working principle of the air-compressing and low-pressure water spray air water curtain dust-settling device of the coal mining machine is as follows: during the use, be equipped with a plurality of groups air water spraying assembly 200 on through rocking arm 100, can carry out the dust fall effect to the dust, wherein air water spraying assembly 200 lower extreme is equipped with adjustment mechanism 300, can carry out angle and height to air water spraying assembly 200 and adjust the spraying, increase dust fall scope and dust fall effect, water gets into convergent passageway 212 from excessive passageway, convergent passageway 212 extrudes water and goes into gas water nozzle 220 in, go into mixing chamber 223 through inlet opening 221, gas gets into mixing chamber 223 from the inlet port 222 and atomizes water, atomized water spouts water outlet 225 through apopore 224 and spouts from nozzle face fusiform hole 226 to water outlet 225, air water spraying assembly 200 is including two sets of atomizers 210, two fog drops particle diameter is thinner, the gas water curtain that the scope is bigger, respiratory dust fall effect obviously improves.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a coal-winning machine is calmed anger and is sprayed water curtain dust device with low pressure water, including rocking arm (100), its characterized in that: a plurality of groups of gas-water spraying assemblies (200) are fixedly mounted at the upper end of the rocker arm (100), an adjusting mechanism (300) is fixedly mounted at the lower ends of the plurality of groups of gas-water spraying assemblies (200), a roller (110) is arranged on one side of the rocker arm (100), and a machine body (120) is arranged on the other side of the rocker arm (100);
the air-water spraying assembly (200) comprises two groups of sprayers (210), the lower ends of the two groups of sprayers (210) form a certain angle for connection, a transition passage (211) is formed in the two groups of sprayers (210), one side of the transition passage (211) is communicated with a gradually reducing passage (212), one side of the gradually reducing passage (212) is provided with an air-water nozzle (220), the gradually reducing passage (212) is communicated with a water inlet hole (221) in the air-water nozzle (220), both sides of the transition passage (211) are provided with air inlet passages (213), both sides of the water inlet hole (221) are provided with air inlet holes (222), the air inlet holes (222) are communicated with the air inlet passage (213), one side in the air-water nozzle (220) is provided with a mixing chamber (223), one side of the mixing chamber (223) is communicated with a water outlet hole (224), one side of the water outlet hole (224) is connected with a water outlet head (225), the water outlet head (225) is provided with a plurality of nozzle surface shuttle-shaped holes (226).
2. The device for dust suppression by water curtain of air and low pressure water spray of coal mining machine as claimed in claim 1, wherein said adjusting mechanism (300) comprises a first connecting block (310), a second connecting block (311) is snap-fitted into the inner lower end of said first connecting block (310), and said first connecting block (310) and said second connecting block (311) are connected by an adjusting nut (312).
3. The dust settling device for the compressed air and low-pressure water spray mist water curtain of the coal mining machine as claimed in claim 2, wherein the adjusting mechanism (300) comprises a servo electric cylinder (320), the output end of the servo electric cylinder (320) is connected with a first supporting plate (321), and the lower end of the second connecting block (311) is fixedly connected with the first supporting plate (321).
4. The dust settling device for the compressed air and low-pressure water spray curtain of the coal mining machine as claimed in claim 3, wherein the adjusting mechanism (300) comprises a servo motor (330), the output end of the servo motor (330) is connected with a second support plate (331) through a coupler, the lower end of the servo electric cylinder (320) is fixedly connected with the second support plate (331), and the servo motor (330) is fixedly installed on the rocker arm (100).
5. The air compressing and low-pressure water spray air curtain dust settling device for the coal mining machine as claimed in claim 1, wherein the openings of the plurality of groups of air-water spray assemblies (200) are arranged towards the roller (110), and the included angles between the central lines of the plurality of groups of air-water spray assemblies (200) and the horizontal plane are 100 degrees, 140 degrees and 180 degrees in sequence.
6. The coal mining machine compressor and low pressure water spray mist water curtain dust fall device according to claim 1, characterized in that one side of the water inlet hole (221) is communicated with a tapered hole (227), and one side of the tapered hole (227) is communicated with a transverse water channel (228).
7. The dust settling device for the air compressor and the low-pressure water spray curtain of the coal mining machine as claimed in claim 1, wherein a reed whistle (230) is fixedly installed in the water inlet hole (221), and the reed whistle (230) is positioned on the central line of the water inlet hole (221).
8. The air compressing and low-pressure water spray mist water curtain dust settling device of the coal mining machine as claimed in claim 7, wherein the reed whistle (230) is a rectangular block-shaped reed whistle (230), and a tip part is arranged at the free end of the reed whistle (230).
9. The air compressing and low-pressure water spray air curtain dust settling device for coal mining machines as claimed in claim 1, wherein a tapered outlet (229) is formed at one side of the water outlet hole (224).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111269192.2A CN114151083B (en) | 2021-10-29 | 2021-10-29 | Air-compressing and low-pressure water-spraying air-water curtain dust settling device of coal mining machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111269192.2A CN114151083B (en) | 2021-10-29 | 2021-10-29 | Air-compressing and low-pressure water-spraying air-water curtain dust settling device of coal mining machine |
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| Publication Number | Publication Date |
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| CN114151083A true CN114151083A (en) | 2022-03-08 |
| CN114151083B CN114151083B (en) | 2023-12-05 |
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| CN202111269192.2A Active CN114151083B (en) | 2021-10-29 | 2021-10-29 | Air-compressing and low-pressure water-spraying air-water curtain dust settling device of coal mining machine |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB540047A (en) * | 1940-02-12 | 1941-10-03 | Edmund Thomas John | Improvements in or relating to coal cutting and coal cutting machines |
| CA1244706A (en) * | 1984-07-26 | 1988-11-15 | William M. Poling | Continuous miner-mounted mine ventilation system |
| CN102182458A (en) * | 2011-04-14 | 2011-09-14 | 淮北矿业股份有限公司 | Induced draft water curtain dust removing device for intercepted coal mining machine |
| US20120018544A1 (en) * | 2010-07-21 | 2012-01-26 | Board Of Trustees Of Southern Illinois University | Water sprays for dust control on mining machines |
| CN203835390U (en) * | 2014-02-25 | 2014-09-17 | 中国矿业大学 | Foam-spray dust removal system in heading machine |
| CN107218041A (en) * | 2017-06-30 | 2017-09-29 | 江苏大学 | A kind of comprehensive water jet of calming the anger of digging premixes self-priming foam dust laying device |
| CN211174109U (en) * | 2019-12-12 | 2020-08-04 | 周长建 | Coal-winning machine spraying dust device |
| CN111963168A (en) * | 2020-08-06 | 2020-11-20 | 黑龙江科技大学 | Grouped nozzle spraying dust suppression device of cantilever type development machine |
| CN214035753U (en) * | 2020-09-23 | 2021-08-24 | 淮北矿业股份有限公司 | High-pressure water induced air water curtain dust remover for coal mining machine |
| CN214424495U (en) * | 2020-09-23 | 2021-10-19 | 淮北矿业股份有限公司 | Air-water-pressure air-water induced air-water curtain dust settling device of development machine |
-
2021
- 2021-10-29 CN CN202111269192.2A patent/CN114151083B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB540047A (en) * | 1940-02-12 | 1941-10-03 | Edmund Thomas John | Improvements in or relating to coal cutting and coal cutting machines |
| CA1244706A (en) * | 1984-07-26 | 1988-11-15 | William M. Poling | Continuous miner-mounted mine ventilation system |
| US20120018544A1 (en) * | 2010-07-21 | 2012-01-26 | Board Of Trustees Of Southern Illinois University | Water sprays for dust control on mining machines |
| CN102182458A (en) * | 2011-04-14 | 2011-09-14 | 淮北矿业股份有限公司 | Induced draft water curtain dust removing device for intercepted coal mining machine |
| CN203835390U (en) * | 2014-02-25 | 2014-09-17 | 中国矿业大学 | Foam-spray dust removal system in heading machine |
| CN107218041A (en) * | 2017-06-30 | 2017-09-29 | 江苏大学 | A kind of comprehensive water jet of calming the anger of digging premixes self-priming foam dust laying device |
| CN211174109U (en) * | 2019-12-12 | 2020-08-04 | 周长建 | Coal-winning machine spraying dust device |
| CN111963168A (en) * | 2020-08-06 | 2020-11-20 | 黑龙江科技大学 | Grouped nozzle spraying dust suppression device of cantilever type development machine |
| CN214035753U (en) * | 2020-09-23 | 2021-08-24 | 淮北矿业股份有限公司 | High-pressure water induced air water curtain dust remover for coal mining machine |
| CN214424495U (en) * | 2020-09-23 | 2021-10-19 | 淮北矿业股份有限公司 | Air-water-pressure air-water induced air-water curtain dust settling device of development machine |
Non-Patent Citations (1)
| Title |
|---|
| 蒋仲安;王明;陈举师;林梦露;: "气水喷嘴雾化特征与降尘效果分析", 哈尔滨工业大学学报, no. 02 * |
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