CN214196234U - Pneumatic supercharging orifice dust removal system for coal mine - Google Patents
Pneumatic supercharging orifice dust removal system for coal mine Download PDFInfo
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- CN214196234U CN214196234U CN202120155647.7U CN202120155647U CN214196234U CN 214196234 U CN214196234 U CN 214196234U CN 202120155647 U CN202120155647 U CN 202120155647U CN 214196234 U CN214196234 U CN 214196234U
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Abstract
A pneumatic supercharging orifice dust removal system for a coal mine comprises an orifice dust collection box, wherein a dust inlet on one side of the orifice dust collection box is connected with a dust removal pipeline, a dust falling discharge pipeline is arranged at the bottom of the orifice dust collection box, a raised dust collection pipeline is arranged at the top of the orifice dust collection box, and the tail end of the raised dust collection pipeline is connected with a negative pressure dust extraction mechanism; the negative-pressure dust extraction mechanism comprises a dust extraction box, a pneumatic fan and a water-air mixed ejector; the negative pressure dust pumping mechanism is provided with a water-dust mixing box at the bottom, the top of the water-dust mixing box is connected with a tail end outlet of the dust pumping box through a water-dust mixing pipeline, a water-dust outlet is formed in the bottom of the tail end of the water-dust mixing box, a wind blocking plate group is arranged in an inner cavity of the water-dust mixing box, and an advancing vehicle is arranged at the bottom of the water-dust mixing box. The utility model discloses can effectively cooperate drilling to remove dust and fall to in time collect the discharge through the water smoke with absorbent dust, easy operation, it is effectual.
Description
Technical Field
The utility model relates to a coal mine dust collecting equipment technical field specifically is a pneumatic pressure boost drill way dust pelletizing system for coal mine.
Background
At present, air drilling is mostly adopted in the drilling construction of a soft coal seam in a coal mine, but a large amount of dust is generated in the drilling process, so that the health of workers is seriously influenced, and the serious potential safety hazard is formed. At present, measures such as orifice spraying, full-section spraying and the like are adopted to be matched with orifice dust removal equipment to reduce dust, and the existing underground equipment of the coal mine has the advantages of common dust removal effect, complex operation and unstable operation, and brings troubles to underground production.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a pneumatic pressure boost drill way dust pelletizing system for coal mine can effectively cooperate drilling to remove dust and fall to in time collect the discharge through the water smoke with absorbent dust, easy operation, it is effectual.
The technical scheme of the utility model as follows: a pneumatic supercharging orifice dust removal system for a coal mine comprises an orifice dust collection box, wherein a dust inlet on one side of the orifice dust collection box is connected with a dust removal pipeline inserted into a drill hole, a dust falling discharge pipeline is arranged at the bottom of the orifice dust collection box, a dust raising and collecting pipeline is arranged at the top of the orifice dust collection box, and the tail end of the dust raising and collecting pipeline is connected with a negative pressure dust extraction mechanism;
the negative-pressure dust extraction mechanism comprises a dust extraction box, a pneumatic fan erected in the center of the interior of the dust extraction box and a water-air mixing ejector arranged at the tail end of the pneumatic fan; the bottom of the negative pressure dust pumping mechanism is provided with a water-dust mixing box, the top of the water-dust mixing box is connected with a tail end outlet of the dust pumping box through a water-dust mixing pipeline, the bottom of the tail end of the water-dust mixing box is provided with a water-dust outlet, the inner cavity of the water-dust mixing box is uniformly provided with a choke plate group along the length direction of the box body, and the choke plate group divides the inner cavity space of the water-dust mixing box into circularly bent air path channels;
and a traveling vehicle is arranged at the bottom of the water-dust mixing box.
Preferably, the dust collecting brush is vertically erected at the position of the inner cavity of the orifice dust collecting box, which corresponds to the dust removing pipeline, the brush holder end of the dust collecting brush is fixedly arranged on the circumference of the inner cavity of the orifice dust collecting box, and the brush ends of the dust collecting brush extend to the center of the orifice dust collecting box along the radial direction.
Preferably, an atomizing nozzle for reducing dust in the pipeline is arranged on the pipe body of the dust discharge pipeline.
Preferably, the dust extraction box comprises a cylinder and conical cylinders integrally connected to two ends of the cylinder, the conical cylinder at one end is connected with the dust raising and collecting pipeline, the conical cylinder at the other end is connected with the water-dust mixing pipeline, and the pneumatic fan is arranged at the center of the cylinder in a rack mode.
As preferred, the pneumatic tuber pipe of pneumatic fan tail end extends to in the mouth of pipe of water dirt hybrid tube way, water wind hybrid ejector sets up on the pneumatic tuber pipe of pneumatic fan tail end, water dirt hybrid tube way head end top is provided with the air inlet tube that is used for connecting the underground water wind regime, some gas wind of air inlet tube drives pneumatic fan and rotates, the water and the other part gas wind of air inlet tube enter into the blowout in the water wind hybrid ejector simultaneously.
Preferably, one end of the water-dust mixing box adjacent to the dust extraction box is a head end, the end connected with the water-dust mixing pipeline is a tail end, and the water-dust mixing box is in a state that the head end is high and the tail end is bottom.
Preferably, the top of the inner cavity of the water-dust mixing box is uniformly and vertically provided with a plurality of upper choke plates along the length direction, lower choke plates are uniformly and vertically erected at positions between any two upper choke plates between the side walls of the water-dust mixing box, the upper choke plates and the lower choke plates are arranged at intervals to jointly form a choke plate group, and the distance between any adjacent upper choke plates and any adjacent lower choke plate is equal.
Preferably, a water level limiting hole is formed in the side wall of the water-dust mixing box close to the tail end, and a pressure relief hole is formed in the head end of the water-dust mixing box.
Preferably, the bottom of the dust discharge pipe is provided with an elastically telescopic bellows.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a dust pelletizing system, by dust collection module, dust fall module and dust exhaust module are operation in coordination jointly and are constituteed, drill way dust collection box is as dust collection module, the suction through pneumatic fan and the high-speed efflux of water-air mixing ejector produce at the negative pressure as the power supply of collection dirt, with the dust from the drill way all adsorb to drill way dust collection box in, the raise dust is through raise dust collecting pipe and then subsequent handling, and the dust that the granule is big, the quality is heavy directly discharges through dust fall discharging pipe, accomplish the first step dust collection operation, this process does not need extra power supply, the structure is simplified;
the negative pressure dust extraction mechanism is used as a dust removal module, so that dust can rapidly enter the negative pressure dust extraction mechanism under the action of negative pressure and suction, and then is wetted under the action of the water-air mixing ejector to complete the dust removal operation of the second part, and the dust collection and dust removal processes can be completed only by the water-air mixing ejector with high-pressure water air, so that the structure is simplified;
the wetted dust is flushed to the water-dust mixing box under the action of high-pressure water air, and the water-mixed dust is intensively discharged through the water-dust discharge port to finish the dust discharging operation of the third part; and the high-pressure water wind that enters into in the water dust mixing box then passes through the layer upon layer obstacle water conservancy diversion of choke plate group, has greatly alleviated high-pressure wind and has flowed for high-pressure wind finally becomes the air wind of normal velocity of flow and discharges from the pressure release hole, and discharges the air wind and do not take any dust, and structural design is ingenious, and is effectual.
Drawings
Fig. 1 is a schematic mechanism diagram of the present invention;
FIG. 2 is a schematic view of the connection structure of the port dust box;
fig. 3 is a partial structure schematic diagram of the water-air mixing ejector.
The labels in the figure are: 1. the device comprises an orifice dust collection box, 2, a dust removal pipeline, 3, a dust falling discharge pipeline, 31, an atomizing nozzle, 4, a dust raising and collecting pipeline, 5, a dust extraction box, 6, a pneumatic fan, 7, a water-air mixing ejector, 8, a water-dust mixing box, 81, an upper choke plate, 82, a lower choke plate, 9, a water-dust mixing pipeline, 10, a water-dust discharge port, 11, a traveling vehicle, 12, a dust collection brush, 13, an air inlet and water inlet pipe, 14, a water level limiting hole, 15, a pressure relief hole, 16 and a corrugated pipe.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in the figures, the utility model relates to a pneumatic supercharging orifice dust removal system for coal mine, which comprises an orifice dust collection box 1, wherein a dust inlet on one side of the orifice dust collection box 1 is connected with a dust removal pipeline 2 for being inserted into a drill hole, the bottom of the orifice dust collection box 1 is provided with a dust falling discharge pipeline 3, the top of the orifice dust collection box 1 is provided with a raised dust collection pipeline 4, and the tail end of the raised dust collection pipeline 4 is connected with a negative pressure dust pumping mechanism;
the negative pressure dust extraction mechanism comprises a dust extraction box 5, a pneumatic fan 6 erected in the center of the interior of the dust extraction box 5 and a water-air mixing ejector 7 arranged at the tail end of the pneumatic fan 6; the bottom of the negative pressure dust pumping mechanism is provided with a water-dust mixing box 8, the top of the water-dust mixing box 8 is connected with a tail end outlet of the dust pumping box 5 through a water-dust mixing pipeline 9, the bottom of the tail end of the water-dust mixing box 8 is provided with a water-dust outlet 10, the inner cavity of the water-dust mixing box 8 is uniformly provided with a wind blocking plate group along the length direction of the box body, and the wind blocking plate group divides the inner cavity space of the water-dust mixing box 8 into circularly bent wind path channels;
and a traveling vehicle 11 is arranged at the bottom of the water-dust mixing box 8.
Preferably, the dust collecting brush 12 is vertically erected at the position of the inner cavity of the orifice dust collecting box 1 corresponding to the dust removing pipeline 2, the brush holder end of the dust collecting brush 12 is fixedly arranged on the circumference of the inner cavity of the orifice dust collecting box 1, and the brush ends of the dust collecting brush 12 radially extend to the center of the orifice dust collecting box 1.
Preferably, an atomizing nozzle 31 for reducing dust in the duct is provided in the pipe body of the dust discharge duct 3.
Preferably, the dust extraction box 5 is composed of a cylinder and conical cylinders integrally connected to two ends of the cylinder, the conical cylinder at one end is connected with the dust raising and collecting pipeline 4, the conical cylinder at the other end is connected with the water-dust mixing pipeline 9, and the pneumatic fan 6 is arranged at the center of the cylinder.
As preferred, the pneumatic tuber pipe of pneumatic fan 6 tail end extends to in the mouth of pipe of water dirt hybrid tube 9, water wind hybrid ejector 7 sets up on the pneumatic tuber pipe of pneumatic fan 6 tail end, water dirt hybrid tube 9 head end top is provided with the air inlet pipe 13 that is used for connecting the underground water wind regime, a part air current of air inlet pipe 13 drives pneumatic fan 6 and rotates, the water and the other part air current of air inlet pipe 13 enter into water wind hybrid ejector 7 simultaneously and spout.
Preferably, one end of the water-dust mixing box 8 adjacent to the dust extraction box 5 is a head end, one end connected with the water-dust mixing pipeline 9 is a tail end, and the water-dust mixing box 8 is in a state that the head end is high and the tail end is bottom.
Preferably, a plurality of upper choke plates 81 are uniformly and vertically arranged at the top of the inner cavity of the water-dust mixing box 8 along the length direction of the inner cavity, lower choke plates 82 are uniformly and vertically erected at positions between any two upper choke plates 81 between the side walls of the water-dust mixing box 8, the upper choke plates 81 and the lower choke plates 82 are arranged at intervals and form a choke plate group together, and the distance between any two adjacent upper choke plates 81 and any two adjacent lower choke plates 82 is equal.
Preferably, a water level limiting hole 14 is formed in the side wall of the water-dust mixing box 8 near the tail end, and a pressure relief hole 15 is formed at the head end of the water-dust mixing box 8.
Preferably, the bottom of the dust discharge pipe 3 is provided with an elastically extensible bellows 16.
The working principle is as follows:
the dust removal system of the utility model, by dust collection module, dust fall module and dust exhaust module are operation in coordination jointly, drill way dust collection box 1 is as dust collection module, the suction through pneumatic fan 6 and the high-speed efflux of water-air mixing ejector 7 produce at the negative pressure as the power supply of collecting dust, will come from drill way dust all adsorb to drill way dust collection box 1 in, raise dust is through raise dust collecting pipe 4 and then subsequent handling under the effect of negative pressure, and the dust that the granule is big, the quality is heavy directly discharges through dust falling discharge pipe 3, accomplish the first step of collection operation, this process does not need extra power supply, the structure is retrencied;
the atomizer 31 on the dust exhaust pipe 3 can in time be wet the dust that falls who enters into in the pipeline, avoids the pollution of the raise dust that mix with wherein, and telescopic bellows 16 can effectively avoid the dust to discharge the secondary raise dust that splashes after falling to ground from the eminence, and bellows 16's bottom mouth of pipe can be extended to being close ground department, and the dust that falls that will discharge directly discharges to ground.
The negative pressure dust extraction mechanism is used as a dust falling module, so that dust can rapidly enter the negative pressure dust extraction mechanism under the action of negative pressure and suction, and then is wetted under the action of the water-air mixing ejector 7 to finish the dust falling operation of the second part, and the dust collection and dust falling processes can be finished only by the water-air mixing ejector with high-pressure water air, so that the structure is simplified;
the wetted dust is flushed to the water-dust mixing box 8 through the water-dust mixing pipeline 9 under the action of high-pressure water air, the water-dust mixing box 8 is obliquely arranged, and the water-mixed dust can be directly and intensively discharged through the water-dust discharge port 10 to finish the dust discharging operation of the third part; and the high-pressure water wind that enters into in the water dust mixing box then passes through the layer upon layer obstacle water conservancy diversion of choke plate group, has greatly alleviated high-pressure wind and has flowed for high-pressure wind finally becomes the air wind of normal velocity of flow and discharges from pressure release hole 15, and the combustion gas wind does not take any dust, and structural design is ingenious, and is effectual.
The traveling vehicle 11 may be driven by a pneumatic motor or an engine to perform downhole traveling.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a pneumatic pressure boost drill way dust pelletizing system for coal mine, includes drill way dust collection box (1), its characterized in that: a dust inlet on one side of the orifice dust collection box (1) is connected with a dust removal pipeline (2) which is inserted into a drill hole, the bottom of the orifice dust collection box (1) is provided with a dust falling discharge pipeline (3), the top of the orifice dust collection box (1) is provided with a dust raising and collecting pipeline (4), and the tail end of the dust raising and collecting pipeline (4) is connected with a negative pressure dust pumping mechanism;
the negative pressure dust extraction mechanism comprises a dust extraction box (5), a pneumatic fan (6) erected in the center of the interior of the dust extraction box (5) and a water-air mixing ejector (7) arranged at the tail end of the pneumatic fan (6); the bottom of the negative pressure dust pumping mechanism is provided with a water-dust mixing box (8), the top of the water-dust mixing box (8) is connected with a tail end outlet of the dust pumping box (5) through a water-dust mixing pipeline (9), the bottom of the tail end of the water-dust mixing box (8) is provided with a water-dust outlet (10), the inner cavity of the water-dust mixing box (8) is uniformly provided with a choke plate group along the length direction of the box body, and the choke plate group divides the inner cavity space of the water-dust mixing box (8) into circularly bent air path channels;
and a traveling vehicle (11) is arranged at the bottom of the water-dust mixing box (8).
2. A pneumatic booster orifice dust extraction system for coal mines as set forth in claim 1 wherein: the dust collecting brush is characterized in that a dust collecting brush (12) is vertically erected at the position, corresponding to the dust removing pipeline (2), of the inner cavity of the orifice dust collecting box (1), the brush holder end of the dust collecting brush (12) is fixedly arranged on the circumference of the inner cavity of the orifice dust collecting box (1), and the brush end of the dust collecting brush (12) radially extends to the center of the orifice dust collecting box (1).
3. A pneumatic booster orifice dust extraction system for coal mines as set forth in claim 1 wherein: and an atomizing nozzle (31) for dust falling in the pipeline is arranged on the pipe body of the dust falling discharge pipeline (3).
4. A pneumatic booster orifice dust extraction system for coal mines as set forth in claim 1 wherein: the dust extraction box (5) is composed of a barrel and conical barrels integrally connected to two ends of the barrel, the conical barrel at one end is connected with the dust raising and collecting pipeline (4), the conical barrel at the other end is connected with the water-dust mixing pipeline (9), and the pneumatic fan (6) is erected at the center of the barrel.
5. A pneumatic booster orifice dust extraction system for coal mines as set forth in claim 1 wherein: the pneumatic tuber pipe of pneumatic fan (6) tail end extends to in the mouth of pipe of water dirt hybrid tube way (9), water wind hybrid ejector (7) set up on the pneumatic tuber pipe of pneumatic fan (6) tail end, water dirt hybrid tube way (9) head end top is provided with air inlet tube (13) that are used for connecting the underground water wind regime, some gas wind of air inlet tube (13) drives pneumatic fan (6) and rotates, the water and the other part gas wind of air inlet tube (13) enter into water wind hybrid ejector (7) simultaneously and spout.
6. A pneumatic booster orifice dust extraction system for coal mines as set forth in claim 1 wherein: one end of the water-dust mixing box (8) adjacent to the dust extraction box (5) is a head end, one end connected with the water-dust mixing pipeline (9) is a tail end, and the water-dust mixing box (8) is in a set state that the head end is high and the tail end is bottom.
7. A pneumatic booster orifice dust extraction system for coal mines as set forth in claim 1 wherein: the top of water dust mixing box (8) inner chamber is provided with a plurality of upper choke plates (81) along its length direction even vertical arrangement, the position department that lies in between arbitrary two upper choke plates (81) between water dust mixing box (8) lateral wall all evenly erects lower choke plate (82) perpendicularly, upper choke plate (81) and lower choke plate (82) interval arrangement form choke plate group jointly, and the interval between arbitrary adjacent upper choke plate (81) and lower choke plate (82) is equal.
8. A pneumatic booster orifice dust extraction system for coal mines as set forth in claim 1 wherein: a water level limiting hole (14) is formed in the position, close to the tail end, of the side wall of the water-dust mixing box (8), and a pressure relief hole (15) is formed in the head end of the water-dust mixing box (8).
9. A pneumatic booster orifice dust extraction system for coal mines as set forth in claim 1 wherein: the bottom of the dust falling discharge pipeline (3) is provided with an elastically telescopic corrugated pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120155647.7U CN214196234U (en) | 2021-01-20 | 2021-01-20 | Pneumatic supercharging orifice dust removal system for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120155647.7U CN214196234U (en) | 2021-01-20 | 2021-01-20 | Pneumatic supercharging orifice dust removal system for coal mine |
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| Publication Number | Publication Date |
|---|---|
| CN214196234U true CN214196234U (en) | 2021-09-14 |
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|---|---|---|---|
| CN202120155647.7U Active CN214196234U (en) | 2021-01-20 | 2021-01-20 | Pneumatic supercharging orifice dust removal system for coal mine |
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| CN (1) | CN214196234U (en) |
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2021
- 2021-01-20 CN CN202120155647.7U patent/CN214196234U/en active Active
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