CN219953422U - Air dust removal device for coal mining - Google Patents
Air dust removal device for coal mining Download PDFInfo
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- CN219953422U CN219953422U CN202321138779.4U CN202321138779U CN219953422U CN 219953422 U CN219953422 U CN 219953422U CN 202321138779 U CN202321138779 U CN 202321138779U CN 219953422 U CN219953422 U CN 219953422U
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- dust
- water
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- dust collection
- exhaust
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- 239000000428 dust Substances 0.000 title claims abstract description 139
- 239000003245 coal Substances 0.000 title claims abstract description 27
- 238000005065 mining Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 136
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000005507 spraying Methods 0.000 claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 239000003595 mist Substances 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 27
- 230000006978 adaptation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses an air dust removal device for coal mining, which comprises a base, a working box body, a spraying mechanism, a dust collection mechanism, an exhaust mechanism and a cleaning mechanism, wherein the working box body is provided with a dust collection mechanism; when the dust concentration is low, dust collection and filtration are realized through the dust collection mechanism and the exhaust mechanism to carry out dust collection work on the surrounding environment, and the cleaning of the filter screen and the removal of collected dust in the dust collection space are realized through the periodical opening of the cleaning mechanism; in the whole cleaning process, the dust removal work is continuously carried out, so that the filter screen is not required to be replaced and dust is not required to be removed, the labor intensity of workers is reduced, and the dust removal continuity is ensured; when the dust concentration is higher, on the basis of dust collection and filtration, the spraying mechanism is started, and the water mist adsorbs dust in the surrounding environment and then settles to the roadway bottom plate, so that the dust falling process is realized while dust collection, and the dust collection effect of the dust collection device on the environment with higher dust concentration is ensured.
Description
Technical Field
The utility model relates to an air dust removal device, in particular to an air dust removal device for coal mine exploitation, and belongs to the technical field of mine dust removal.
Background
Coal mines are generally divided into underground coal mines and open pit coal mines, wherein when a coal bed is far away from the ground surface, coal is generally selected to be excavated into an underground excavation roadway, namely the underground coal mine, and when the coal bed is very close to the ground surface, coal is generally selected to be excavated by directly stripping off a ground surface soil layer, namely the open pit coal mine; dust is generated in any coal mine in the coal mining process, so that the surrounding environment is required to be dedusted; the large-scale dust collecting equipment is used for the open-pit coal mine, the large-scale dust collecting equipment can effectively cover a large-area coal mining range, the underground coal mine mainly carries out roadway dust collection, dust is prevented from affecting personnel or equipment, the large-scale dust collecting equipment for the open-pit coal mine cannot be used because of small roadway space, and the small-scale dust collecting equipment is used at present. If the filter screen is not replaced in time or the collected dust is removed by a worker, the dust removing effect of the dust removing equipment is poor or the dust removing equipment cannot work, and finally, the dust in the roadway exceeds the standard, so that the safety of the worker and the equipment is influenced.
Therefore, how to provide an air dust removal device, the filter screen is replaced and cleaned without stopping, the filter screen is cleaned by the equipment, and the collected dust can be regularly discharged, so that the labor intensity of workers is reduced, the dust removal effect and the dust persistence are ensured, and the air dust removal device is one of the directions of the research required in the industry.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the air dust removal device for coal mining, which does not need to stop for replacing a filter screen and removing dust, cleans the filter screen through equipment and can regularly discharge collected dust, thereby not only reducing the labor intensity of workers, but also ensuring the dust removal efficiency and persistence.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an air dust removal device for coal mining comprises a base, a working box body, a spraying mechanism, a dust collection mechanism, an exhaust mechanism and a cleaning mechanism;
the working box body is fixed on the base, a water storage cavity and a dust collection cavity are arranged in the working box body, a water inlet is formed in the side part of the working box body, and the water inlet is connected with the water storage cavity and is used for injecting water into the water storage cavity; a filter screen is arranged in the dust collecting cavity, the filter screen divides the dust collecting cavity into a dust collecting space and a gas discharging space, a water outlet is formed in the lower part of the working box body, and the water outlet is connected with the dust collecting space;
the spraying mechanism comprises a spraying head, a first water pump and a first conveying pipe, the first water pump is arranged on the upper part of the working box body, the spraying head is arranged on the upper part of the first water pump and is connected with an outlet of the first water pump, one end of the first conveying pipe stretches into the water storage cavity, the other end of the first conveying pipe is connected with an inlet of the first water pump, and the first water pump is used for conveying water in the water storage cavity to the spraying head to spray in a mist shape;
the dust collection mechanism comprises an air inlet pipe, a fixed plate, a driving motor and fan blades, wherein the air inlet pipe is arranged at the upper part of the working box body, one end of the air inlet pipe is connected with the dust collection space, the fixed plate is fixed in the air inlet pipe, a vent is formed in the fixed plate, the driving motor is arranged on the fixed plate, the driving motor is connected with the fan blades through an output shaft, and the driving motor drives the fan blades to rotate to form negative pressure so that external air enters the dust collection space through the air inlet pipe; the exhaust mechanism comprises an exhaust hood and an exhaust pipe, the exhaust hood is arranged at the upper part of the working box body, a plurality of through holes are formed in the exhaust hood, one end of the exhaust pipe extends into the gas exhaust space, and the other end of the exhaust pipe is connected with the exhaust hood; the gas in the gas exhaust space is exhausted through the exhaust pipe and the exhaust hood;
the cleaning mechanism comprises a second water pump, a second conveying pipe and a water spraying pipe, wherein the second water pump is arranged in a working box body between the water storage cavity and the dust collecting cavity, one end of the second conveying pipe extends into the water storage cavity, the other end of the second conveying pipe is connected with an inlet of the second water pump, the water spraying pipe is vertically arranged in a gas discharging space, a plurality of nozzles are arranged on the water spraying pipe, each nozzle faces towards the filter screen, an outlet of the second water pump is connected with the middle part of the water spraying pipe, and the water in the water storage cavity is conveyed to the water spraying pipe and is sprayed on the filter screen through each nozzle to clean the water spraying pipe.
Further, a plurality of moving wheels are arranged at the lower part of the base. This facilitates the transfer of the whole device.
Further, the other end of the air inlet pipe is in a horn shape. This shape facilitates the ingress of ambient air into the inlet duct.
Further, activated carbon is arranged in the exhaust hood. Through the dust that can adsorb the residual dust in the gas when the exhaust hood exhaust gas when setting up the active carbon to better time dust removal effect.
Further, the second conveying pipe is provided with a one-way valve, and an inlet of the one-way valve faces the water storage cavity. The water flow can be prevented from flowing back into the water storage cavity when the second water pump is stopped through the one-way valve.
Further, the bottom of the dust collecting space is arc-shaped. By adopting the shape, the water inlet is positioned at the lowest position of the dust collecting space, and the subsequent water flow is conveniently discharged.
Compared with the prior art, the utility model adopts a mode of combining the base, the working box body, the spraying mechanism, the dust collection mechanism, the exhaust mechanism and the cleaning mechanism, and has the following advantages:
1. when the dust concentration is low, dust collection and filtration are carried out on the surrounding environment through the dust collection mechanism and the exhaust mechanism, and the cleaning of the filter screen and the removal of collected dust in the dust collection space are realized through the periodical opening of the cleaning mechanism; in the whole cleaning process, the dust removal work is continuously carried out, so that the filter screen is not required to be replaced and dust is not required to be removed, the labor intensity of workers is reduced, and the dust removal continuity is ensured.
2. When the dust concentration is higher, on the basis of dust collection and filtration, the spraying mechanism is started, dust in the surrounding environment is adsorbed through water mist and then is settled to the roadway bottom plate, so that the dust falling process is realized while dust collection, and the dust collection effect of the dust collection device on the environment with higher dust concentration is ensured by the dust collection device.
Drawings
Fig. 1 is an external perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a partial enlarged view at B in fig. 2.
In the figure: 1. a base; 2. a moving wheel; 3. a working box body; 4. a spraying mechanism; 5. an exhaust mechanism; 6. a dust collection mechanism; 31. a water inlet; 32. a water storage chamber; 33. a first delivery tube; 34. a first water pump; 35. a water outlet; 36. a dust collection chamber; 37. a filter screen; 38. a second delivery tube; 39. a one-way valve; 310. a second water pump; 311. a water spray pipe; 312. a nozzle; 51. an exhaust pipe; 52. an exhaust hood; 61. a fixing plate; 62. a vent; 63. a driving motor; 64. and (3) a fan blade.
Detailed Description
The present utility model will be further described below.
As shown in fig. 1 and 2, the utility model comprises a base 1, a working box 3, a spraying mechanism 4, a dust collection mechanism 6, an exhaust mechanism 5 and a cleaning mechanism;
the working box body 3 is fixed on the base 1, and a plurality of moving wheels 2 are arranged at the lower part of the base 1, so that the whole device is convenient to transfer; the working box body 3 is internally provided with a water storage cavity 32 and a dust collection cavity 36, the side part of the working box body 3 is provided with a water inlet 31, and the water inlet 31 is connected with the water storage cavity 32 and is used for injecting water into the water storage cavity 32; a filter screen 37 is arranged in the dust collection cavity 36, the filter screen 37 divides the dust collection cavity 36 into a dust collection space and a gas discharge space, a water outlet 35 is arranged at the lower part of the working box body 3, and the water outlet 35 is connected with the dust collection space; the bottom of the dust collecting space is arc-shaped, and the water inlet 35 can be positioned at the lowest part of the dust collecting space by adopting the shape, so that the follow-up water flow can be conveniently discharged;
the spraying mechanism 4 comprises a spraying head, a first water pump 34 and a first conveying pipe 33, wherein the first water pump 34 is arranged on the upper part of the working box body 3, the spraying head is arranged on the upper part of the first water pump 34 and is connected with an outlet of the first water pump 34, one end of the first conveying pipe 33 extends into the water storage cavity 32, the other end of the first conveying pipe is connected with an inlet of the first water pump 34, and the first water pump 34 is used for conveying water in the water storage cavity 32 to the spraying head to spray in a mist shape;
as shown in fig. 3, the dust collection mechanism 6 includes an air inlet pipe, a fixing plate 61, a driving motor 63 and fan blades 64, the air inlet pipe is installed at the upper part of the working box 3, one end of the air inlet pipe is connected with the dust collection space, and the other end of the air inlet pipe is in a horn shape, which is convenient for the external air to enter the air inlet pipe; the fixed plate 61 is fixed in the air inlet pipe, the fixed plate 61 is provided with a vent 62, the driving motor 63 is arranged on the fixed plate 61, the driving motor 63 is connected with the fan blades 64 through an output shaft, and the driving motor 63 drives the fan blades 64 to rotate to form negative pressure so that external air enters the dust collecting space through the air inlet pipe; the exhaust mechanism 5 comprises an exhaust hood 52 and an exhaust pipe 51, the exhaust hood 52 is arranged at the upper part of the working box body 3, a plurality of through holes are formed in the exhaust hood 52, one end of the exhaust pipe 51 extends into the gas exhaust space, and the other end of the exhaust pipe is connected with the exhaust hood 52; the gas in the gas discharge space is discharged through the exhaust pipe 51 and the exhaust hood 52;
as shown in fig. 4, the cleaning mechanism includes a second water pump 310, a second delivery pipe 38 and a spray pipe 311, where the second water pump 310 is installed in the working box 3 between the water storage chamber 32 and the dust collection chamber 36, one end of the second delivery pipe 38 extends into the water storage chamber 32, the other end is connected with an inlet of the second water pump 310, the spray pipe 311 is vertically installed in the gas discharge space, the spray pipe 311 is provided with a plurality of nozzles 312, each nozzle 312 faces the filter screen 37, an outlet of the second water pump 310 is connected with a middle part of the spray pipe 311, and is used to deliver water in the water storage chamber 32 to the spray pipe 311 and spray the water on the filter screen 37 through each nozzle 312 to clean the water.
As an improvement of the present utility model, the exhaust hood 52 is filled with activated carbon; when the activated carbon is arranged, the residual dust in the gas can be adsorbed when the gas is exhausted through the exhaust hood 52, so that the time dust removal effect is better.
As another improvement of the utility model, the second conveying pipe 38 is provided with a one-way valve 39, and the inlet of the one-way valve 39 faces the water storage cavity 32; the check valve 39 prevents the water from flowing back into the water storage chamber 32 when the second water pump 310 is stopped.
Before working, the utility model is moved to a place where dust removal is needed, then a certain amount of water is injected into the water storage cavity 32 through the water inlet 31, the first water pump 34, the second water pump 310 and the driving motor 63 are respectively connected with a power supply circuit through a multi-way switch, the first water pump 34, the second water pump 310 and the driving motor 63 are in a stop state at first, the water outlet 35 is plugged by a plug, when the dust concentration in the surrounding environment is low, the driving motor 63 is started through the multi-way switch to enable the fan blade 64 to rotate in the air inlet pipe to form negative pressure so that the gas with dust around is sucked into the air inlet pipe, the gas with dust enters the dust collection space through the vent opening 62 and flows from the dust collection space to the gas discharge space under the action of the air pressure, in the flowing process, the dust in the gas is left in the dust collection space through the filter screen 37, the filtered gas enters the gas discharge space, and then is discharged to the outside through the air outlet pipe 51 and the exhaust hood 52, so that the dust removal process is completed once, and the dust removal process can be continuously carried out on the surrounding environment; in the process of keeping the working state of the driving motor 63, a worker periodically starts the second water pump 310 and opens the water outlet 35 according to the dust removing time, at this time, the second water pump 310 conveys water in the water storage cavity 32 to the water spraying pipe 311 through the second conveying pipe 38 and sprays the water on the filter screen 37 through each nozzle 312 to clean the water, and the cleaned water enters the dust collecting space, and as dust collected in the dust collecting space in the dust removing process can be settled to the bottom, the water can drive the dust to be discharged from the water outlet 35, so that the dust collected in the dust collecting space is cleaned; after the cleaning is completed, the second water pump 310 is stopped and the water outlet 35 is blocked, and the dust removal can be continuously performed without stopping the cleaning machine in the cleaning process.
When the dust concentration in the surrounding environment is higher, the dust collection mechanism 6 is started, the first water pump 34 is started, at the moment, the first water pump 34 conveys water in the water storage cavity 32 to the spray head through the first conveying pipe 33 to spray in a mist mode, the water mist can adsorb the dust in the surrounding environment and then settle to the roadway floor, the dust falling process is achieved while dust collection is conducted, and the dust collection effect on the environment with higher dust concentration can be achieved through the two functions.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (6)
1. The air dust removing device for coal mining is characterized by comprising a base, a working box body, a spraying mechanism, a dust collecting mechanism, an exhaust mechanism and a cleaning mechanism;
the working box body is fixed on the base, a water storage cavity and a dust collection cavity are arranged in the working box body, a water inlet is formed in the side part of the working box body, and the water inlet is connected with the water storage cavity and is used for injecting water into the water storage cavity; a filter screen is arranged in the dust collecting cavity, the filter screen divides the dust collecting cavity into a dust collecting space and a gas discharging space, a water outlet is formed in the lower part of the working box body, and the water outlet is connected with the dust collecting space;
the spraying mechanism comprises a spraying head, a first water pump and a first conveying pipe, the first water pump is arranged on the upper part of the working box body, the spraying head is arranged on the upper part of the first water pump and is connected with an outlet of the first water pump, one end of the first conveying pipe stretches into the water storage cavity, the other end of the first conveying pipe is connected with an inlet of the first water pump, and the first water pump is used for conveying water in the water storage cavity to the spraying head to spray in a mist shape;
the dust collection mechanism comprises an air inlet pipe, a fixed plate, a driving motor and fan blades, wherein the air inlet pipe is arranged at the upper part of the working box body, one end of the air inlet pipe is connected with the dust collection space, the fixed plate is fixed in the air inlet pipe, a vent is formed in the fixed plate, the driving motor is arranged on the fixed plate, the driving motor is connected with the fan blades through an output shaft, and the driving motor drives the fan blades to rotate to form negative pressure so that external air enters the dust collection space through the air inlet pipe; the exhaust mechanism comprises an exhaust hood and an exhaust pipe, the exhaust hood is arranged at the upper part of the working box body, a plurality of through holes are formed in the exhaust hood, one end of the exhaust pipe extends into the gas exhaust space, and the other end of the exhaust pipe is connected with the exhaust hood; the gas in the gas exhaust space is exhausted through the exhaust pipe and the exhaust hood;
the cleaning mechanism comprises a second water pump, a second conveying pipe and a water spraying pipe, wherein the second water pump is arranged in a working box body between the water storage cavity and the dust collecting cavity, one end of the second conveying pipe extends into the water storage cavity, the other end of the second conveying pipe is connected with an inlet of the second water pump, the water spraying pipe is vertically arranged in a gas discharging space, a plurality of nozzles are arranged on the water spraying pipe, each nozzle faces towards the filter screen, an outlet of the second water pump is connected with the middle part of the water spraying pipe, and the water in the water storage cavity is conveyed to the water spraying pipe and is sprayed on the filter screen through each nozzle to clean the water spraying pipe.
2. An air dust collector for coal mining according to claim 1, wherein a plurality of moving wheels are provided at a lower portion of the base.
3. An air dust collector for coal mining according to claim 1, wherein the other end of the air inlet pipe is horn-shaped.
4. An air dust removal device for coal mining according to claim 1, wherein the exhaust hood is filled with activated carbon.
5. The air dust collector for coal mining according to claim 1, wherein the second conveying pipe is provided with a one-way valve, and an inlet of the one-way valve faces the water storage cavity.
6. The air dust collector for coal mining of claim 1, wherein the dust collection space has an arcuate bottom.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321138779.4U CN219953422U (en) | 2023-05-12 | 2023-05-12 | Air dust removal device for coal mining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321138779.4U CN219953422U (en) | 2023-05-12 | 2023-05-12 | Air dust removal device for coal mining |
Publications (1)
Publication Number | Publication Date |
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CN219953422U true CN219953422U (en) | 2023-11-03 |
Family
ID=88551593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321138779.4U Active CN219953422U (en) | 2023-05-12 | 2023-05-12 | Air dust removal device for coal mining |
Country Status (1)
Country | Link |
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CN (1) | CN219953422U (en) |
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2023
- 2023-05-12 CN CN202321138779.4U patent/CN219953422U/en active Active
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