CN111042854A - Underground dust suppression device for coal mine - Google Patents
Underground dust suppression device for coal mine Download PDFInfo
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- CN111042854A CN111042854A CN201911358769.XA CN201911358769A CN111042854A CN 111042854 A CN111042854 A CN 111042854A CN 201911358769 A CN201911358769 A CN 201911358769A CN 111042854 A CN111042854 A CN 111042854A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
Abstract
The invention discloses a coal mine underground dust suppression device which comprises a dry fog spray head and a main case, wherein the dry fog spray head is connected with the main case through a pipeline; the dry fog nozzle comprises a water pipe cavity, an air pipe cavity and a double-fluid dry fog nozzle, wherein the water pipe cavity and the air pipe cavity are not communicated with each other; a plurality of nozzle mounting seats communicated with the water pipe cavities are equidistantly arranged on the water pipe cavities; the double-fluid dry fog nozzle is arranged on the nozzle mounting seat, a water inlet of the double-fluid dry fog nozzle is communicated with the water pipe cavity, and an air inlet of the double-fluid dry fog nozzle is communicated with the air pipe cavity; a water pipeline mechanism and an air pipeline mechanism are arranged in the mainframe box, a water pipe cavity is communicated with the water pipeline mechanism through a pipeline, and an air pipe cavity is communicated with the air pipeline mechanism through a pipeline. The invention provides a dust suppression device for an underground coal mine, which aims to overcome the defects of the prior art, can suppress a large amount of dust generated by underground equipment of the coal mine during working, has a simple structure and high dust suppression rate, and meets the requirements of various underground equipment of the coal mine on dust suppression.
Description
Technical Field
The invention relates to the technical field of environment-friendly dust suppression equipment, in particular to an underground dust suppression device for a coal mine.
Background
Dust suppression technology, also called dust control technology, is mainly divided into two major genres of emission control technology and source control technology at present, and comprises solutions of closed dust removal, filtration type dust removal, electric dust removal, water spray or spray dust removal, biological nano-film dust suppression and the like.
At present colliery equipment such as entry driving machine and the full-mechanized mining machine in the pit can produce a large amount of dust at the during operation, and the dust flies to the atmosphere in, causes environmental pollution, causes serious injury to operator's health, and dust concentration can also produce the explosion after transfiniting, does not have one kind and can restrain the device that produces the dust by colliery equipment work in the pit.
Therefore, how to provide a coal mine underground dust suppression device which can satisfy the dust suppression of various coal mine underground equipment is a problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a coal mine underground dust suppression device, which aims to overcome the defects of the prior art, can suppress a large amount of dust generated by underground equipment of a coal mine during working, has a simple structure and a high dust suppression rate, and meets the requirements of various underground equipment of the coal mine for suppressing dust.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coal mine underground dust suppression device comprises a dry fog spray head and a mainframe box, wherein the dry fog spray head is connected with the mainframe box through a pipeline;
the dry fog nozzle comprises a water pipe cavity, an air pipe cavity and a double-fluid dry fog nozzle, wherein the water pipe cavity and the air pipe cavity are not communicated with each other; a plurality of nozzle mounting seats communicated with the water pipe cavity are arranged on the water pipe cavity at equal intervals, and the number of the nozzle mounting seats is determined according to the dust production of underground equipment of a coal mine; the two-fluid dry fog nozzle is installed on the nozzle installation seat, a water inlet of the two-fluid dry fog nozzle is communicated with the water pipe cavity, and a gas inlet of the two-fluid dry fog nozzle is communicated with the gas pipe cavity;
the mainframe box is internally provided with a water pipeline mechanism and an air pipeline mechanism, the water pipeline cavity is communicated with the water pipeline mechanism through a pipeline, and the air pipeline cavity is communicated with the air pipeline mechanism through a pipeline.
The dry fog spray head is fixed on underground coal mine dust production equipment, the double-fluid dry fog nozzle is opposite to a dust production point, water and air are collected into the water pipe cavity and the air pipe cavity through the water pipe mechanism and the air pipe mechanism, the water pipe cavity and the air pipe cavity provide the water and the air for the double-fluid dry fog nozzle, dry fog is generated at the outlet of the double-fluid dry fog nozzle, the dust function generated during the working of underground coal mine heading machine, fully mechanized mining machine and other equipment can be restrained, and the dust concentration in an underground coal mine space is reduced.
Preferably, in the above coal mine underground dust suppression device, a manual pneumatic on-off valve is arranged outside the mainframe box, and a high-pressure air source is connected to an inlet of the manual pneumatic on-off valve, so that a water pipeline mechanism and an air pipeline mechanism can be switched on and off simultaneously.
Preferably, in the coal mine underground dust suppression device, the nozzle mounting seat is provided with an internal thread and an external thread, and the two-fluid dry mist nozzle is fixed on the internal thread of the nozzle mounting seat; and a nozzle shield is arranged on the external thread on the nozzle mounting seat.
Preferably, in the coal mine underground dust suppression device, the gas pipeline mechanism comprises a gas inlet pipe, a gas pressure regulating valve, a gas control gas on-off valve and a gas outlet pipe, wherein an inlet of the gas pressure regulating valve is communicated with an outlet of the gas inlet pipe, an outlet of the gas pressure regulating valve is communicated with an inlet of the gas control gas on-off valve through a pipeline, and an outlet of the gas control gas on-off valve is communicated with an inlet of the gas outlet pipe; and a pneumatic control air inlet of the pneumatic control on-off valve is communicated with an outlet of the manual pneumatic on-off valve.
The air pressure regulating valve is used for regulating the air pressure in the air pipeline mechanism, and the air pressure gathered at the double-fluid dry fog nozzle is ensured to meet the requirement.
Preferably, in the coal mine underground dust suppression device, the gas pipe cavity is provided with a gas pipe cavity gas inlet, and the gas pipe cavity gas inlet is communicated with an outlet of the gas outlet pipe.
Preferably, in the coal mine underground dust suppression device, the water pipeline mechanism comprises a water inlet pipe, a water pre-filter, a water pressure regulating valve, a pneumatic control water on-off valve and a water outlet pipe, wherein the water pre-filter is communicated with an outlet of the water inlet pipe, an outlet of the water pre-filter is communicated with an inlet of the water pressure regulating valve, an outlet of the water pressure regulating valve is communicated with an inlet of the pneumatic control water on-off valve through a pipeline, and an outlet of the pneumatic control water on-off valve is communicated with an inlet of the water outlet pipe; and the pneumatic control air inlet of the pneumatic control water on-off valve is communicated with the outlet of the manual pneumatic on-off valve.
The water prefilter is used for filtering impurities in water, and the water pressure regulating valve is used for regulating the pressure of the water in the water pipeline mechanism, so that the water quality and the pressure at the position of the double-fluid dry fog nozzle are guaranteed to meet the requirements.
The manual pneumatic on-off valve is switched on, the pneumatic control pneumatic on-off valve and the pneumatic control water on-off valve are powered on, and the pneumatic control pneumatic on-off valve and the pneumatic control water on-off valve are opened. The manual pneumatic on-off valve is disconnected, the pneumatic control pneumatic on-off valve and the pneumatic control water on-off valve lose air, and the pneumatic control pneumatic on-off valve and the pneumatic control water on-off valve are closed.
Preferably, in the coal mine underground dust suppression device, a water pipe cavity water inlet is formed in one end of the water pipe cavity, and the water pipe cavity water inlet is communicated with an outlet of the water outlet pipe.
Preferably, in the coal mine underground dust suppression device, an inlet of the air inlet pipe is connected with a high-pressure air source.
Preferably, in the above coal mine underground dust suppression device, an inlet of the water inlet pipe is connected with a water source.
According to the technical scheme, compared with the prior art, the underground dust suppression device for the coal mine is simple in structure and convenient to carry, and dust generated by various underground equipment such as tunneling, coal mining and coal conveying equipment of the coal mine is suppressed. After water is subjected to pressure regulation and filtration through the water pipeline mechanism, gas subjected to pressure regulation and filtration through the gas pipeline mechanism is mixed with the gas through the two-fluid dry fog nozzle, dry fog particles of 1-10 micrometers are generated at the outlet of the two-fluid dry fog nozzle, dust particles generated by various underground equipment for tunneling, coal mining, coal conveying and the like of a coal mine are effectively adsorbed and coalesced into clusters, and the clusters are settled under the action of gravity, so that the dust suppression effect is achieved, harm to operators is avoided, and the air quality of the operation environment is improved. The water path and air path on-off valve adopts air control on-off, the system control is completely free of electricity, electric sparks are avoided, explosion risks caused by electricity are reduced, and the water path and air path on-off valve is safe and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of a dry mist sprayer according to the present invention;
fig. 2 is a schematic structural diagram of the main cabinet of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a dust suppression device for an underground coal mine, which aims to overcome the defects of the prior art, can suppress a large amount of dust generated by underground equipment of the coal mine during working, has a simple structure and high dust suppression rate, and meets the requirements of various underground equipment of the coal mine on dust suppression.
A coal mine underground dust suppression device comprises a dry fog spray head 1 and a mainframe box 2, wherein the dry fog spray head 1 is connected with the mainframe box 2 through a pipeline;
the dry fog spray head 1 comprises a water pipe cavity 11, an air pipe cavity 12 and a double-fluid dry fog nozzle 13, wherein the water pipe cavity 11 and the air pipe cavity 12 are not communicated with each other; a plurality of nozzle mounting seats 14 communicated with the water pipe cavity 11 are arranged on the water pipe cavity 11 at equal intervals, and the number of the nozzle mounting seats 14 is determined according to the dust production of underground equipment of a coal mine; the two-fluid dry fog nozzle 13 is arranged on the nozzle mounting seat 14, a water inlet of the two-fluid dry fog nozzle 13 is communicated with the water pipe cavity 11, and an air inlet of the two-fluid dry fog nozzle 13 is communicated with the air pipe cavity 12;
a water pipeline mechanism 21 and an air pipeline mechanism 22 are arranged in the main case 2, the water pipe cavity 11 is communicated with the water pipeline mechanism 21 through a pipeline, and the air pipe cavity 12 is communicated with the air pipeline mechanism 22 through a pipeline.
The dry fog spray head 1 is fixed on underground coal mine dust production equipment, the double-fluid dry fog spray nozzle 13 is over against a dust production point, water and air are collected into the water pipe cavity 11 and the air pipe cavity 12 through the water pipe mechanism 21 and the air pipe mechanism 22, the water pipe cavity 11 and the air pipe cavity 12 provide the water and air for the double-fluid dry fog spray nozzle 13, dry fog is generated at the outlet of the double-fluid dry fog spray nozzle 13, the function of inhibiting dust generated during the working of underground coal mine heading machine, fully mechanized coal mining machine and other equipment can be realized, and the dust concentration in an underground coal mine space is reduced.
In order to further optimize the technical scheme, a manual pneumatic on-off valve 3 is arranged outside the main case 2, and a high-pressure air source is connected to an inlet of the manual pneumatic on-off valve 3, so that the water pipeline mechanism 21 and the air pipeline mechanism 22 can be switched on and off simultaneously.
In order to further optimize the technical scheme, the nozzle mounting seat 14 is provided with internal threads and external threads, and the two-fluid dry fog nozzle 13 is fixed on the internal threads of the nozzle mounting seat 14; a nozzle shroud 15 is mounted on the external thread on the nozzle mount 14.
In order to further optimize the above technical solution, the air pipeline mechanism 22 includes an air inlet pipe 221, an air pressure regulating valve 222, an air control air on-off valve 223 and an air outlet pipe 224, wherein an inlet of the air pressure regulating valve 222 is communicated with an outlet of the air inlet pipe 221, an outlet of the air pressure regulating valve 222 is communicated with an inlet of the air control air on-off valve 223 through a pipeline, and an outlet of the air control air on-off valve 223 is communicated with an inlet of the air outlet pipe 224; the pneumatic control air inlet of the pneumatic control air on-off valve 223 is communicated with the outlet of the manual pneumatic on-off valve 3.
The air pressure regulating valve 222 is used for regulating the air pressure in the air pipeline mechanism 22 to ensure that the air pressure converged at the two-fluid dry mist nozzle 13 meets the requirement.
In order to further optimize the above technical solution, the air cavity 12 is provided with an air cavity inlet 121, and the air cavity inlet 121 is communicated with an outlet of the air outlet pipe 224.
In order to further optimize the above technical solution, the water pipeline mechanism 21 includes a water inlet pipe 211, a water pre-filter 212, a water pressure regulating valve 213, a pneumatic control water on-off valve 214 and a water outlet pipe 215, wherein the water pre-filter 212 is communicated with an outlet of the water inlet pipe 211, an outlet of the water pre-filter 212 is communicated with an inlet of the water pressure regulating valve 213, an outlet of the water pressure regulating valve 213 is communicated with an inlet of the pneumatic control water on-off valve 214 through a pipeline, and an outlet of the pneumatic control water on-off valve 214 is communicated with an inlet of the water outlet pipe 215; the pneumatic control air inlet of the pneumatic control water on-off valve 214 is communicated with the outlet of the manual pneumatic on-off valve 3.
The water pre-filter 212 is used for filtering impurities in water, and the water pressure regulating valve 213 is used for regulating the pressure of the water in the water pipeline mechanism 21, so as to ensure that the water quality and the pressure converged at the position of the double-fluid dry fog nozzle 13 meet the requirements.
The manual air on-off valve 3 is switched on, the air control air on-off valve 223 and the air control water on-off valve 214 are powered on, and the air control air on-off valve 223 and the air control water on-off valve 214 are opened. The manual air on-off valve 3 is turned off, the air control air on-off valve 223 and the air control water on-off valve 214 lose air, and the air control air on-off valve 223 and the air control water on-off valve 214 are closed.
In order to further optimize the above technical scheme, a water pipe cavity water inlet 111 is formed in one end of the water pipe cavity 11, and the water pipe cavity water inlet 111 is communicated with an outlet of the water outlet pipe 215.
In order to further optimize the above technical solution, the inlet of the air inlet pipe 221 is connected with a high pressure air source.
In order to further optimize the above technical solution, the inlet of the water inlet pipe 211 is connected with a water source.
The working principle is as follows:
when the manual pneumatic on-off valve 3 is not opened, the pneumatic control pneumatic on-off valve 223 and the pneumatic control water on-off valve 214 are not air, the pneumatic control pneumatic on-off valve 223 and the pneumatic control water on-off valve 214 are closed, no air and water enter the water pipe cavity 11 and the air pipe cavity 12, and the two-fluid dry fog nozzle 13 does not generate dry fog; when the manual air on-off valve 3 is opened, the air control air on-off valve 223 and the air control water on-off valve 214 are filled with air, the air control air on-off valve 223 and the air control water on-off valve 214 are opened, the air adjusted by the air pressure adjusting valve 222 and the water adjusted by the water pre-filter 212 and the water pressure adjusting valve 213 enter the water pipe cavity 11 and the air pipe cavity 12 and are converged at the double-fluid dry fog nozzle 13, the double-fluid dry fog nozzle 13 generates dry fog particles of 1-10 micrometers, the dust particles generated by the working of the equipment under the coal mine are effectively adsorbed and agglomerated, and the agglomerated dust particles are settled under the action of gravity, so that the dust suppression effect is achieved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A coal mine underground dust suppression device is characterized by comprising a dry fog spray head and a mainframe box, wherein the dry fog spray head is connected with the mainframe box through a pipeline;
the dry fog nozzle comprises a water pipe cavity, an air pipe cavity and a double-fluid dry fog nozzle, wherein the water pipe cavity and the air pipe cavity are not communicated with each other; a plurality of nozzle mounting seats communicated with the water pipe cavity are arranged on the water pipe cavity at equal intervals; the two-fluid dry fog nozzle is installed on the nozzle installation seat, a water inlet of the two-fluid dry fog nozzle is communicated with the water pipe cavity, and a gas inlet of the two-fluid dry fog nozzle is communicated with the gas pipe cavity;
the mainframe box is internally provided with a water pipeline mechanism and an air pipeline mechanism, the water pipeline cavity is communicated with the water pipeline mechanism through a pipeline, and the air pipeline cavity is communicated with the air pipeline mechanism through a pipeline.
2. The underground coal mine dust suppression device according to claim 1, wherein a manual pneumatic on-off valve is arranged outside the main case, and an inlet of the manual pneumatic on-off valve is connected with a high-pressure air source.
3. The underground coal mine dust suppression device according to claim 1, wherein the nozzle mounting seat is provided with an internal thread and an external thread, and the two-fluid dry mist nozzle is fixed on the internal thread of the nozzle mounting seat; and a nozzle shield is arranged on the external thread on the nozzle mounting seat.
4. The underground coal mine dust suppression device according to claim 2, wherein the air pipeline mechanism comprises an air inlet pipe, an air pressure regulating valve, an air control air on-off valve and an air outlet pipe, wherein an inlet of the air pressure regulating valve is communicated with an outlet of the air inlet pipe, an outlet of the air pressure regulating valve is communicated with an inlet of the air control air on-off valve through a pipeline, and an outlet of the air control air on-off valve is communicated with an inlet of the air outlet pipe; and a pneumatic control air inlet of the pneumatic control on-off valve is communicated with an outlet of the manual pneumatic on-off valve.
5. The underground coal mine dust suppression device according to claim 4, wherein a gas pipe cavity gas inlet is formed in the gas pipe cavity and communicated with an outlet of the gas pipe.
6. The underground coal mine dust suppression device according to claim 2, wherein the water pipeline mechanism comprises a water inlet pipe, a water pre-filter, a water pressure regulating valve, a pneumatic control water on-off valve and a water outlet pipe, wherein the water pre-filter is communicated with an outlet of the water inlet pipe, an outlet of the water pre-filter is communicated with an inlet of the water pressure regulating valve, an outlet of the water pressure regulating valve is communicated with an inlet of the pneumatic control water on-off valve through a pipeline, and an outlet of the pneumatic control water on-off valve is communicated with an inlet of the water outlet pipe; and the pneumatic control air inlet of the pneumatic control water on-off valve is communicated with the outlet of the manual pneumatic on-off valve.
7. The underground coal mine dust suppression device according to claim 6, wherein a water pipe cavity water inlet is formed at one end of the water pipe cavity, and the water pipe cavity water inlet is communicated with an outlet of the water outlet pipe.
8. A coal mine underground dust suppression device according to claim 4, wherein an inlet of the air inlet pipe is connected with a high-pressure air source.
9. A coal mine underground dust suppression device according to claim 6, wherein an inlet of said water inlet pipe is connected with a water source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358769.XA CN111042854A (en) | 2019-12-25 | 2019-12-25 | Underground dust suppression device for coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358769.XA CN111042854A (en) | 2019-12-25 | 2019-12-25 | Underground dust suppression device for coal mine |
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| CN111042854A true CN111042854A (en) | 2020-04-21 |
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| CN201911358769.XA Pending CN111042854A (en) | 2019-12-25 | 2019-12-25 | Underground dust suppression device for coal mine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957134A (en) * | 2020-07-24 | 2020-11-20 | 深圳市雾博环保科技有限公司 | Novel air-assisted double-fluid aerial fog dust fall fog gun |
| CN113144795A (en) * | 2021-06-03 | 2021-07-23 | 常熟市通防电器有限公司 | Mining ultrasonic wave dry fog presses down dirt device and presses down dirt assembly with dry fog |
| CN113230806A (en) * | 2021-06-03 | 2021-08-10 | 常熟市通防电器有限公司 | Host machine for mining ultrasonic dry fog dust suppression device |
| CN113230807A (en) * | 2021-06-03 | 2021-08-10 | 常熟市通防电器有限公司 | Mining ultrasonic dry fog dust suppression device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201045297Y (en) * | 2006-12-31 | 2008-04-09 | 中国神华能源股份有限公司 | Continuous miner gas loaded nebulization dust removing system |
| CN202778172U (en) * | 2012-09-22 | 2013-03-13 | 青岛福来斯环保设备有限公司 | Micron dry fog dust suppression device |
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2019
- 2019-12-25 CN CN201911358769.XA patent/CN111042854A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201045297Y (en) * | 2006-12-31 | 2008-04-09 | 中国神华能源股份有限公司 | Continuous miner gas loaded nebulization dust removing system |
| CN202778172U (en) * | 2012-09-22 | 2013-03-13 | 青岛福来斯环保设备有限公司 | Micron dry fog dust suppression device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957134A (en) * | 2020-07-24 | 2020-11-20 | 深圳市雾博环保科技有限公司 | Novel air-assisted double-fluid aerial fog dust fall fog gun |
| CN113144795A (en) * | 2021-06-03 | 2021-07-23 | 常熟市通防电器有限公司 | Mining ultrasonic wave dry fog presses down dirt device and presses down dirt assembly with dry fog |
| CN113230806A (en) * | 2021-06-03 | 2021-08-10 | 常熟市通防电器有限公司 | Host machine for mining ultrasonic dry fog dust suppression device |
| CN113230807A (en) * | 2021-06-03 | 2021-08-10 | 常熟市通防电器有限公司 | Mining ultrasonic dry fog dust suppression device |
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Application publication date: 20200421 |