CN114151083B - Air-compressing and low-pressure water-spraying air-water curtain dust settling device of coal mining machine - Google Patents
Air-compressing and low-pressure water-spraying air-water curtain dust settling device of coal mining machine Download PDFInfo
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- CN114151083B CN114151083B CN202111269192.2A CN202111269192A CN114151083B CN 114151083 B CN114151083 B CN 114151083B CN 202111269192 A CN202111269192 A CN 202111269192A CN 114151083 B CN114151083 B CN 114151083B
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- dust settling
- water spraying
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 153
- 238000005507 spraying Methods 0.000 title claims abstract description 57
- 239000000428 dust Substances 0.000 title claims abstract description 55
- 239000003245 coal Substances 0.000 title claims abstract description 36
- 238000005065 mining Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 235000014676 Phragmites communis Nutrition 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000000889 atomisation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005187 foaming Methods 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
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 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
Classifications
-
- 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 gas-water curtain dust settling device for gas compression and low-pressure water spraying of a coal mining machine, and belongs to the technical field of dust settling and removing of coal mining machines. The air-water curtain dust settling device for the compressed air and low-pressure water spray of the coal mining machine comprises a rocker arm and an air-water spray assembly. The upper end of the rocker arm is fixedly provided with a plurality of groups of air-water spraying components, the lower end of each group of air-water spraying components is fixedly provided with an adjusting mechanism, and one side of the rocker arm is provided with a roller; the two groups of sprayers are internally provided with transition channels, one side of each transition channel is communicated with a convergent channel, one side of each convergent channel is provided with a gas-water nozzle, the air inlet is communicated with the air inlet channel, one side of each gas-water nozzle is internally provided with a mixing chamber, 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 surface fusiform holes are formed in the water outlet heads.
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-water curtain dust fall device for gas compression and low-pressure water spraying of a coal mining machine.
Background
At present, coal mining machine operation is one of high dust sources of coal mines, and various measures are tested for solving the dust problem of the coal mining machine. Five aspects of researches are worth mentioning, namely, a common sprayer and a venturi sprayer are adopted for performing downwind spraying researches, and a certain effect is achieved on solving the problem of dust countercurrent of traditional external spraying; secondly, a plurality of dust collectors of the coal mining machine are tested, and the dust collectors consist of a mechanical local ventilator, a hard air duct and dust collection facilities; thirdly, a dust collection roller of the coal mining machine is developed, and dust is removed through a hydraulic dust collection pipe arranged on the roller; fourthly, carrying out foam dust removal test research on the coal mining machine, wherein the foaming device is used for foaming water and a surfactant to form foam; fifthly, high pressure spray studies were performed. High pressure spraying was tested; the secondary negative pressure spraying dust fall technology of the coal mining machine is researched, the device is arranged on the machine body of the coal mining machine, and the device has no throats, diffusion pipes and suction chambers with unequal sections, and the spraying and dust collection cannot be changed along with the change of the coal cutting position; a spray system in which the nozzles rotate; radial spraying technology surrounding a rocker arm of a coal mining machine and chemical dust settling technology.
These studies have played a role in reducing dust generated by coal mining machines, however, for various reasons, the technology has not been widely popularized and applied, and the most widely-used measures are still spraying inside and outside the coal mining machines at present. In practical use, there are still some problems with internal and external spraying: the nozzle is arranged on the roller, and is partially or completely buried in coal when the roller is cut, so that the sprayed jet cannot be atomized, and even the nozzle is blocked; secondly, the spraying system in the coal mining machine cannot be normally used due to sealing water leakage and nozzle blockage; thirdly, the front water pressure of the nozzles is low, the atomization effect is poor, fourthly, the external spraying direction and the external spraying angle of the coal mining machine are disordered, the number of the nozzles and the structure of the nozzles are unreasonable, and dust countercurrent is generated; fifth, the existing gas-water spray has a small atomizing angle.
Disclosure of Invention
In order to make up the defects, the application provides a gas-water curtain dust settling device for gas compression and low-pressure water spraying of a coal mining machine, which aims at solving the problems of internal and external spraying: the nozzle is arranged on the roller, and is partially or completely buried in coal when the roller is cut, so that the sprayed jet cannot be atomized, and even the nozzle is blocked; secondly, the spraying system in the coal mining machine cannot be normally used due to sealing water leakage and nozzle blockage; thirdly, the front water pressure of the nozzles is low, the atomization effect is poor, fourthly, the external spraying direction and the external spraying angle of the coal mining machine are disordered, the number of the nozzles and the structure of the nozzles are unreasonable, and dust countercurrent is generated; fifth, the existing gas-water spray has a small atomizing angle.
The embodiment of the application provides a gas-water curtain dust settling device for gas compression and low-pressure water spraying of a coal mining machine, which comprises a rocker arm and a gas-water spraying assembly.
The upper end of the rocker arm is fixedly provided with a plurality of groups of air-water spraying components, the lower ends of the plurality of groups of air-water spraying components are fixedly provided with adjusting mechanisms, the adjusting mechanisms can adjust the angles and the heights of the air-water spraying components, the dust fall range and the dust fall effect are increased, one side of the rocker arm is provided with a roller, and the other side of the rocker arm is provided with a machine body; the air-water spraying assembly comprises two groups of sprayers, the lower ends of the sprayers are connected at a certain angle, a transition channel is formed in the sprayers, one side of the transition channel is communicated with a convergent channel, one side of the convergent channel is provided with an air-water nozzle, the convergent channel is communicated with a water inlet in the air-water nozzle, two sides of the transition channel are provided with air inlet channels, two sides of the water inlet are provided with air inlets, the air inlets are communicated with the air inlet channels, one side of the air-water nozzle is provided with a mixing chamber, one side of the mixing chamber is communicated with a water outlet, one side of the water outlet is connected with a water outlet head, a plurality of nozzle surface shuttle-shaped holes are formed in the water outlet head, one side of the water inlet is communicated with a convergent hole, and one side of the convergent hole is communicated with a transverse water channel.
In the realization process, be equipped with a plurality of groups of gas-water spray components on through the rocking arm, can carry out the dust effect to the dust, wherein gas-water spray component lower extreme is equipped with adjustment mechanism, can carry out angle and altitude mixture control to gas-water spray component, increase dust fall scope and dust effect, water gets into the convergent channel from excessive passageway, the convergent channel extrudees water and gets into in the gas-water nozzle, get into the mixing chamber through the inlet opening, gas gets into the mixing chamber from the inlet port and atomizes water, the water after the atomizing spouts the water head through the apopore and spouts from nozzle face fusiform hole blowout, gas-water spray component is including two sets of atomizers, the twice fog droplet particle diameter is finer, the bigger air-water curtain of scope, respiratory dust effect obviously improves.
In a specific embodiment, 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 is connected with the second connecting block through an adjusting nut.
In the implementation process, the air-water spraying component is convenient to adjust the vertical angle through being provided with the adjusting nut.
In a specific embodiment, 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 air-water spraying assembly can be driven to carry out height adjustment by the servo electric cylinder.
In a specific embodiment, 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 motor 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 servo motor is arranged, so that the air-water spraying assembly can be driven to adjust the rotation angle, and dust fall can be carried out in different ranges.
In a specific embodiment, the openings of the air-water spraying assemblies are arranged towards the roller, and the included angles between the central lines 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 settling effect can be carried out on the other side of the roller through the arrangement of different included angles.
In a specific embodiment, a reed whistle is fixedly arranged in the water inlet hole, and the reed whistle 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 flows through the reed whistle to drive the reed to vibrate to give out whistle, and when 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.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram of an embodiment of the present application providing a coal mining machine left rocker arm air-water spray assembly;
FIG. 2 is a schematic diagram of a gas-water spray assembly according to an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of an air-water spray assembly according to an embodiment of the present application;
FIG. 4 is a schematic cross-sectional view of a gas-water nozzle according to an embodiment of the present application;
fig. 5 is a schematic side view of a gas-water nozzle according to an embodiment of the present application.
In the figure: 100. a rocker arm; 110. a roller; 120. a body; 200. a gas-water spray assembly; 210. a sprayer; 211. a transition channel; 212. a tapered channel; 213. an air intake passage; 220. a gas-water nozzle; 221. a water inlet hole; 222. an air inlet hole; 223. a mixing chamber; 224. a water outlet hole; 225. a water outlet head; 226. a nozzle face shuttle shaped aperture; 227. a tapered hole; 228. a transverse waterway; 229. a conical outlet; 230. reed whistle; 300. an adjusting mechanism; 310. a first connection block; 311. a second connection block; 312. an adjusting nut; 320. a servo electric cylinder; 321. a first support plate; 330. a servo motor; 331. and a second support plate.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Referring to fig. 1, the present application provides a gas-water curtain dust settling device for gas compression and low-pressure water spraying of a coal mining machine, which comprises a rocker arm 100 and a gas-water spraying assembly 200.
Referring to fig. 1 to 5, a plurality of groups of air-water spray assemblies 200 are fixedly arranged at the upper end of a rocker arm 100, an adjusting mechanism 300 is fixedly arranged at the lower end of each group of air-water spray 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, a transition channel 211 is formed in the two groups of sprayers 210, one side of the transition channel 211 is communicated with a convergent channel 212, one side of the convergent channel 212 is provided with an air-water nozzle 220, the convergent channel 212 is communicated with a water inlet 221 in the air-water nozzle 220, two sides of the transition channel 211 are provided with air inlet channels 213, two sides of the water inlet 221 are provided with air inlets 222, the air inlets 222 are communicated with the air inlet channels 213, one side of 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 224, one side of the water outlet 224 is connected with a water outlet head 225, and a plurality of nozzle surface fusiform holes 226 are formed in the water outlet head 225.
In this embodiment, the adjustment mechanism 300 includes a first connection block 310, the lower end in the first connection block 310 is connected with a second connection block 311 in a clamping manner, the first connection block 310 is connected with the second connection block 311 through an adjustment nut 312, the adjustment nut 312 is provided to facilitate the vertical angle adjustment of the air-water spray assembly 200, the adjustment mechanism 300 includes a servo motor 320, the output end of the servo motor 320 is connected with a first support plate 321, the lower end of the second connection block 311 is fixedly connected with the first support plate 321, the height adjustment of the air-water spray assembly 200 is driven by the servo motor 320, 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 motor 320 is fixedly connected with the second support plate 331, the servo motor 330 is fixedly mounted on the rocker arm 100, and the rotation angle adjustment of the air-water spray assembly 200 is driven by being provided with the servo motor 330, so that the dust fall effect can be carried out in different ranges.
In the application, the openings of the groups of air-water spraying components 200 are arranged towards the roller 110, the included angles between the central lines of the groups of air-water spraying components 200 and the horizontal plane are 100 degrees, 140 degrees and 180 degrees, the dust fall effect can be carried out on the roller 110 by arranging the different included angles, one side of the water inlet 221 is communicated with the tapered hole 227, one side of the tapered hole 227 is communicated with the transverse water channel 228, the atomization effect can be improved by arranging the transverse water channel 228, one side of the water outlet 224 is provided with the conical outlet 229, the water spraying range can be enlarged by arranging the conical outlet 229, and the atomization effect can be improved.
When the device is specifically arranged, the reed whistle 230 is fixedly arranged in the water inlet hole 221, the reed whistle 230 is positioned on the central line of the water inlet hole 221, through the arrangement of the reed whistle 230, when the air-water nozzle 220 works normally, water flows through the reed whistle 230 to drive the reed to vibrate to make whistle, when the nozzle is blocked, the sound of the reed whistle 230 changes or does not occur, whether the air-water nozzle 220 is blocked or not can be distinguished 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 tip, so that whether the nozzle is blocked or not can be judged by hearing sound.
Specifically, the working principle of the air-water curtain dust settling device for the compressed air and low-pressure water spray of the coal mining machine is as follows: when the novel dust settling device is used, a plurality of groups of air-water spraying components 200 are arranged on the rocker arm 100, dust settling effect can be achieved, the lower end of each air-water spraying component 200 is provided with an adjusting mechanism 300, the air-water spraying components 200 can be subjected to angle and height adjustment spraying, dust settling range and dust settling effect are increased, water enters the convergent channel 212 from the transition channel, the convergent channel 212 extrudes water into the air-water nozzle 220, the water enters the mixing chamber 223 through the water inlet hole 221, air enters the mixing chamber 223 from the air inlet hole 222 to atomize the water, the atomized water is sprayed to the water outlet head 225 through the water outlet hole 224 and sprayed out from the nozzle surface fusiform hole 226, the air-water spraying components 200 comprise two groups of sprayers 210, two mist drops are thinner in particle size and larger in range, and the respiratory dust settling effect is obviously improved.
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 variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within 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 (7)
1. The utility model provides a coal-winning machine is compressed air and low pressure water spraying gas water curtain dust device, is including rocking arm (100), its characterized in that: a plurality of groups of air-water spraying components (200) are fixedly arranged at the upper end of the rocker arm (100), an adjusting mechanism (300) is fixedly arranged at the lower end of the plurality of groups of air-water spraying components (200), the adjusting mechanism (300) can adjust the angle and the height of the air-water spraying components (200) to increase the dust fall range and the dust fall effect, 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), two groups of sprayers (210) are connected at a certain angle, two groups of sprayers (210) are internally provided with a transition channel (211), one side of the transition channel (211) is communicated with a tapered channel (212), one side of the tapered channel (212) is provided with an air-water nozzle (220), the tapered channel (212) is communicated with a water inlet hole (221) in the air-water nozzle (220), two sides of the transition channel (211) are provided with air inlet channels (213), two 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 channels (213), one side of 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), a plurality of spout-surface shuttle-shaped holes (226) are formed in the water outlet hole (224), one side of the water outlet hole (224) is provided with a conical outlet hole (221), and one side of the water inlet hole (227) is communicated with a water inlet hole (227).
2. The air-water curtain dust settling device for coal mining machine air compression and low-pressure water spraying air-water curtain dust settling device according to claim 1, wherein the adjusting mechanism (300) comprises 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 clamping mode, and the first connecting block (310) and the second connecting block (311) are connected through an adjusting nut (312).
3. The air-water curtain dust settling device for the air compression and low-pressure water spraying of the coal mining machine according to 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. A gas-water curtain dust settling device for gas compression and low-pressure water spraying of a coal mining machine according to 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 supporting plate (331) through a coupling, the lower end of the servo motor cylinder (320) is fixedly connected with the second supporting plate (331), and the servo motor (330) is fixedly installed on the rocker arm (100).
5. The air-water curtain dust settling device for air compression and low-pressure water spraying of coal mining machine according to claim 1, wherein the openings of the air-water spraying assemblies (200) are arranged towards the roller (110), and the included angles between the central lines of the air-water spraying assemblies (200) and the horizontal plane are 100 degrees, 140 degrees and 180 degrees in sequence.
6. The air-water curtain dust settling device for air compression and low-pressure water spraying of coal mining machine according to claim 1, wherein a reed whistle (230) is fixedly installed in the water inlet hole (221), and the reed whistle (230) is located on the central line of the water inlet hole (221).
7. The air-water curtain dust settling device for coal mining machine air compression and low-pressure water spraying air-water curtain dust settling device according to claim 6, wherein 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 tip.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
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| CN114151083A CN114151083A (en) | 2022-03-08 |
| CN114151083B true 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 (9)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8632133B2 (en) * | 2010-07-21 | 2014-01-21 | Board Of Trustees Of Southern Illinois University | Water sprays for dust control on mining machines |
-
2021
- 2021-10-29 CN CN202111269192.2A patent/CN114151083B/en active Active
Patent Citations (9)
| 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 |
| 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 |
|---|
| 气水喷嘴雾化特征与降尘效果分析;蒋仲安;王明;陈举师;林梦露;;哈尔滨工业大学学报(第02期);全文 * |
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