CN116950707B - Portable coal mine support drilling dust control and removal device and dust removal method - Google Patents
Portable coal mine support drilling dust control and removal device and dust removal method Download PDFInfo
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- CN116950707B CN116950707B CN202311016421.9A CN202311016421A CN116950707B CN 116950707 B CN116950707 B CN 116950707B CN 202311016421 A CN202311016421 A CN 202311016421A CN 116950707 B CN116950707 B CN 116950707B
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- dust
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- type fan
- suction
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- 239000000428 dust Substances 0.000 title claims abstract description 211
- 238000005553 drilling Methods 0.000 title claims abstract description 55
- 239000003245 coal Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000005086 pumping Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 239000002893 slag Substances 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 11
- 239000013049 sediment Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 208000028571 Occupational disease Diseases 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 201000010001 Silicosis Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
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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
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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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention discloses a portable dust control and dust removal device and method for a coal mine support drilling hole, relates to the technical field of coal mine dust removal, and solves the problem that dust overflows outwards from a gap between a drill rod and a drilling hole in the process of drilling in a support working procedure. The invention comprises a pumping dust collecting device, a hose and a muffler negative pressure dust removing device, wherein the pumping dust collecting device is connected with the muffler negative pressure dust removing device through the hose; the pressure suction dust collecting device comprises a pressure type fan cover, the pressure type fan cover is hemispherical, a pressure air inlet and a rod opening are arranged on the pressure type fan cover, and the pressure air inlet is arranged on the spherical surface of the pressure type fan cover within an included angle of 25-45 degrees with the horizontal plane along the horizontal tangential direction of the spherical surface; the rod opening is arranged at the center of the spherical bottom end of the pressure type fan cover, and the drill rod is inserted into the rod opening. According to the invention, the air inlet is spirally and upwards flowed in the device through the press-in air inlet arranged along the horizontal tangential direction of the spherical surface of the press-type fan cover, so that the falling of dust is effectively prevented, and the sealing between the drill rod and the rod opening by utilizing air flow is realized.
Description
Technical Field
The invention relates to the technical field of coal mine dust removal, in particular to a portable coal mine support drilling dust control and removal device and a dust removal method.
Background
In recent years, with the development of underground excavation technology, mine production is continuously improved, and the dust concentration in underground production is also increased. The coal mine industry is a critical disaster area of occupational diseases of China, and in all occupational diseases, cases of coal dust and silicosis account for 90% of report number of occupational diseases, so that the underground dust treatment becomes a difficult problem.
The current supporting process is one of the main sources of dust production of the tunneling surface, and the drilling is the main dust production mode of the supporting process. The working face support drilling adopts wet drilling or dry drilling to remove dust from large-particle dust, but the phenomenon that part of dust overflows outwards through gaps between a drill rod and a drilling hole in the construction process still exists, and the dust fall treatment effect is poor when the drilling hole is drilled.
Therefore, a technical scheme which is convenient to carry and clean and can improve the dust removal efficiency of drilling is needed.
Disclosure of Invention
The invention aims to solve the problem that dust is scattered outwards from a gap between a drill rod and a drill hole in the drilling process of the supporting process, and provides a portable dust control and dust removal device and a dust removal method for the coal mine supporting drill hole. According to the invention, the air inlet is spirally and upwards flowed in the device through the press-in air inlet arranged along the horizontal tangential direction of the spherical surface of the press-type fan cover, so that the falling of dust is effectively prevented, and the sealing between the drill rod and the rod opening by utilizing air flow is realized.
The invention provides a portable coal mine support drilling dust control and dust removal device, which specifically comprises a pumping dust collection device, a hose and a muffler negative pressure dust removal device, wherein the pumping dust collection device is connected with the muffler negative pressure dust removal device through the hose; the pressure suction dust collecting device comprises a pressure type fan cover, the pressure type fan cover is hemispherical, a pressure air inlet and a rod opening are arranged on the pressure type fan cover, and the pressure air inlet is arranged on the spherical surface of the pressure type fan cover in the range of 25-45 degrees from the horizontal plane along the horizontal tangential direction of the spherical surface; the rod opening is arranged at the center of the spherical bottom end of the pressure type fan cover, and the drill rod is inserted into the rod opening.
Still further, the suction dust collector still includes shrink tube, suction dust hood and two support frames, and suction dust hood, shrink tube and pressure formula fan housing connect gradually, still are provided with two support frames on the suction dust hood.
Further, the suction type dust hood comprises a dust hood body, a sealing ring, a contact plate, an exhaust port and two ball grooves, wherein the exhaust port is arranged on the dust hood body, the lower end of the dust hood body is connected with the shrinkage tube, and the upper end of the dust hood body is connected with the contact plate; the upper surface of the contact plate is provided with a sealing ring, and the lower surface of the contact plate is provided with two ball grooves; the supporting frame is mounted on the contact plate through the ball groove; the air suction port is connected with the hose.
Further, the upper surface of the sealing ring is provided with anti-slip textures.
Further, the muffler negative pressure dust removing device comprises a muffler spraying module, a connecting port, a dust falling end, a throat pipe and a slag discharging box, wherein the upper end of the dust falling end is connected with the muffler spraying module and the connecting port, and the lower end of the dust falling end is connected with the throat pipe; the other end of the throat pipe is connected with a slag discharging box; the upper end of the connecting port is connected with the hose.
Further, the scarf spraying module comprises a scarf water pipe, a plurality of nozzles, a water pipe fixing shell and a water valve, wherein the nozzles are equidistantly arranged on the scarf water pipe and are inserted into the dust falling end; the scarf water pipe is fixed on the dust fall end through a water pipe fixing shell; the scarf water pipe passes through the water pipe fixing shell and is connected with a water source through a water valve.
Further, the dust falling end is provided with a plurality of nozzle openings and dust holes, and the dust holes are arranged in the center of the upper surface of the dust falling end and are communicated with the connecting ports; the periphery of the dust hole is uniformly provided with a plurality of nozzle openings, and the nozzles are inserted into the dust settling end through the nozzle openings.
Further, an air outlet is arranged on the throat pipe.
Further, a slag discharging port is arranged on the slag discharging box.
The dust removing method adopting the portable coal mine support drilling dust control and removing device specifically comprises the following steps of:
a. the negative pressure dust collector is sequentially connected with the pressure suction dust collector, the hose and the muffler, and the air supply pipeline, the air outlet pipeline and the water supply pipeline are respectively connected with the pressed-in air port, the air outlet and the water valve;
b. placing the pressure suction dust collecting device at a drilling position, and sealing the drilling position through a sealing ring;
c. the wind flow enters from the pressure-in wind gap and rises along the rotation of the inner wall, so that dust is prevented from falling and is sent into the hose;
d. the dust-containing air flow enters the muffler negative pressure dust removing device through the hose, wet dust fall is carried out through the nozzles, and sediment is discharged from the slag discharging port.
The portable coal mine support drilling dust control and removal device and the dust removal method have the beneficial effects that:
(1) According to the portable coal mine support drilling dust control and removal device and the dust removal method, the pressed-in air port is arranged on the spherical surface of the pressure type fan housing along the horizontal tangent line, so that the air flow entering the suction pressure dust collection device is in a cyclone flow state, and the air flow rises along the inner wall of the device in a rotating way to prevent dust from falling, and the sealing between the drill rod and the rod port is realized;
(2) According to the portable coal mine support drilling dust control and removal device and the dust removal method, the dust-containing air flow is surrounded in the middle through the plurality of nozzles arranged on the circumference, so that the dust removal effect is effectively improved, the air flow is driven by the water flow to form negative pressure in the scarf negative pressure dust removal device, and the air flow in the device is promoted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the overall structure of a portable coal mine support drilling dust control and removal device according to the invention;
FIG. 2 is a schematic diagram of a suction dust collector of a portable coal mine support drilling dust control and removal device according to the present invention;
FIG. 3 is a schematic view of a suction dust hood of a portable coal mine support drilling dust control and removal device according to the present invention;
FIG. 4 is a schematic structural view of a shrinkage tube of a portable coal mine support drilling dust control and removal device according to the invention;
FIG. 5 is a schematic diagram of a pressure type fan housing of a portable coal mine support drilling dust control and removal device according to the invention;
FIG. 6 is a schematic structural view of a muffler negative pressure dust collector of the portable coal mine support drilling dust control dust collector of the invention;
FIG. 7 is a schematic diagram of a scarf spraying module of the portable coal mine support drilling dust control and removal device;
FIG. 8 is a schematic structural view of a connection port of a portable coal mine support drilling dust control and removal device according to the present invention;
FIG. 9 is a schematic view of the dust-settling end of a portable coal mine support drilling dust-control dust-removal device according to the present invention;
FIG. 10 is a schematic view of the throat of a portable coal mine support drilling dust control and removal device according to the present invention;
FIG. 11 is a schematic structural view of a slag discharging box of the portable coal mine support drilling dust control and removal device;
FIG. 12 is a schematic block diagram of a portable coal mine support drilling dust control and removal device according to the present invention;
wherein: 1-conversion interface, 2-suction dust collector, 21-shrinkage tube, 211-second fixed hole, 212-third fixed hole, 22-suction dust hood, 221-sealing ring, 2211-anti-slip texture, 222-contact plate, 223-suction opening, 224-first fixed hole, 225-ball slot, 23-support frame, 231-handshake handle, 24-pressure fan cover, 241-press-in air opening, 242-rod hole, 243-fourth fixed hole, 3-hose, 4-muffler negative pressure dust collector, 41-muffler spray module, 411-muffler water pipe, 412-nozzle, 413-water pipe fixed shell, 414-fifth fixed hole, 415-water pipe orifice, 416-water valve, 42-connection port, 421-sixth fixed hole, 422-inlet end, 43-dust fall end, 431-nozzle hole, 432-dust hole, 433-seventh fixed hole, 434-eighth fixed hole, 44-throat, 441-air outlet, 442-ninth fixed hole, 443-tenth slag discharging fixed hole, 45-tenth fixed hole, 451-eleventh fixed hole.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings:
the first embodiment is as follows: the present embodiment is specifically described with reference to fig. 1 to 12. The portable coal mine support drilling dust control and dust removal device specifically comprises a conversion interface 1, a suction pressure dust collection device 2, a hose 3 and a muffler negative pressure dust removal device 4, wherein the conversion interface 1 is arranged on the suction pressure dust collection device 2, the conversion interface 1 is connected with the hose 3, and the hose 3 is connected with the muffler negative pressure dust removal device 4; the suction dust collector 2 comprises a pressure type fan cover 24, and the pressure type fan cover 24 is of a hemispherical structure; the press-in air inlet 241 and the rod opening 242 are arranged on the press-in air cover 24, and the press-in air inlet 241 is eccentrically arranged, specifically, is arranged along the horizontal tangential direction of the spherical surface in the position range of 25-45 degrees of the included angle between the spherical surface of the press-in air cover 24 and the horizontal plane, so that the initial air flow entering the suction-pressure dust collecting device 2 obtains a rotation upward movement trend, can rotate and rise along the inner wall, prevents dust from moving downwards, and improves the tightness of the press-in air cover 24; the position of the air inlet 241 is set at a position with an included angle of 30 degrees with the horizontal plane in the present embodiment; the press-in air inlet 241 is connected with an air supply pipeline; the rod port 242 is provided at the center of the spherical bottom end of the pressure fan housing 24, and the drill rod is inserted from the rod port 242.
The suction dust collecting device 2 further comprises a shrinkage tube 21, a suction dust collecting cover 22 and two supporting frames 23, wherein the suction dust collecting cover 22, the shrinkage tube 21 and the pressure type fan cover 24 are sequentially connected in a bolt connection mode; two supporting frames 23 are also arranged on the suction dust hood 22; the diameter of the shrinkage tube 21 is gradually reduced from bottom to top, so that the flow speed of the air flow is gradually increased in the rising process.
The suction type dust hood 22 comprises a dust hood body, a sealing ring 221, a contact plate 222, an exhaust opening 223 and two ball grooves 225, wherein the dust hood body is provided with the exhaust opening 223, the lower end of the dust hood body is connected with the shrinkage tube 21, and the upper end of the dust hood body is connected with the contact plate 222; the upper surface of the contact plate 222 is provided with a sealing ring 221, and the lower surface is provided with two ball grooves 225; the supporting frame 23 is mounted on the contact plate 222 through the ball groove 225, and a handle 231 is arranged at the lower end of the supporting frame 23, so that the supporting frame is convenient for a worker to hold; the suction opening 223 is connected with the hose 3 through the conversion interface 1.
The sealing ring 221 is made of rubber foam, and an anti-slip texture 2211 is arranged on the upper surface of the sealing ring 221.
The muffler negative pressure dust removing device 4 comprises a muffler spraying module 41, a connecting port 42, a dust falling end 43, a throat 44 and a slag discharging box 45, wherein the upper end of the dust falling end 43 is connected with the muffler spraying module 41 and the connecting port 42, and the lower end is connected with the throat 44; the other end of the throat pipe 44 is connected with a slag discharging box 45; the upper end of the connecting port 42 is connected with the hose 3; the connection modes are all bolt connection.
The scarf spraying module 41 comprises a scarf water pipe 411, a plurality of nozzles 412, a water pipe fixing shell 413, a water pipe port 415 and a water valve 416, wherein the scarf water pipe 411 is provided with the plurality of nozzles 412 at equal intervals, the included angle between the nozzles 412 and the horizontal direction is 30 degrees, and the plurality of nozzles 412 are inserted into the dust falling end 43; in the embodiment, the number of the nozzles 412 is 4, and each nozzle 412 is mutually separated by 90 degrees, so that spray dust fall is carried out in all directions, and the airflow movement speed in the muffler negative pressure dust removal device 4 is driven, the negative pressure is increased, and the dust fall efficiency is improved; the scarf water pipe 411 is fixed on the dust falling end 43 through a water pipe fixing shell 413; the water pipe fixing shell 413 is provided with a water pipe opening 415, and the scarf water pipe 411 passes through the water pipe opening 415; the scarf water pipe 411 is provided with a water valve 416, and the water valve 416 is connected with a water supply pipeline.
The dust settling end 43 is provided with a plurality of nozzle openings 431 and dust holes 432, and the dust holes 432 are arranged in the center of the upper surface of the dust settling end 43 and are communicated with the connecting ports 42; a plurality of nozzle openings 431 are uniformly formed around the dust holes 432, and the nozzles 412 are inserted into the dust settling end 43 through the nozzle openings 431.
An air outlet 441 is arranged on the throat 44, and the air outlet 441 is connected with an air outlet pipeline.
The slag discharging box 45 is provided with a slag discharging port 452.
The dust removing method adopting the portable coal mine support drilling dust control and removing device comprises the following specific steps:
a. the suction dust collector 2, the hose 3 and the muffler negative pressure dust collector 4 are connected in sequence, and the air supply pipeline, the air outlet pipeline and the water supply pipeline are respectively connected with the press-in air inlet 241, the air outlet 441 and the water valve 416;
b. the pumping dust collecting device 2 is placed at a drilling position, a worker holds the handle 231 to press upwards, the drilling position is sealed through the sealing ring 221, and the sealing ring 221 has elasticity and can be tightly contacted with the wall surface of the iron net to effectively prevent dust from escaping during drilling;
c. in the dust collection process, the wind flow enters the pressure type fan cover 24 from the pressure type air inlet 241 and rises along the inner wall in a rotating way, so that dust is prevented from falling and is sent into the hose 3;
d. in the dust removal process, dust-containing air flow enters the muffler negative pressure dust removal device 4 through the hose 3, a water valve is opened, wet dust fall is carried out through the nozzles 412, sediment is discharged from the slag discharge port 452, and the air flow enters the air outlet pipeline through the air outlet 441.
The invention relates to a portable coal mine support drilling dust control and dust removal device, which comprises the following specific working processes:
firstly, sequentially connecting a pumping dust collecting device 2, a hose 3 and a muffler negative pressure dust removing device 4, respectively connecting an air supply pipeline, an air outlet pipeline and a water supply pipeline with a press-in air inlet 241, an air outlet 441 and a water valve 416, and providing initial energy for a portable coal mine support drilling dust removing device; the pumping dust collecting device 2 is placed at a drilling position, a worker holds the handle 231 to press upwards, the drilling position is sealed through the sealing ring 221, and the sealing ring 221 has elasticity and can be tightly contacted with the wall surface of the iron net to effectively prevent dust from escaping during drilling; the wind flow enters the pressure type fan housing 24 from the pressure air inlet 241 and rotates upwards along the inner wall of the pressure type fan housing, the rotation direction of the wind flow is consistent with the rotation direction of the drill rod, dust is prevented from moving downwards, the effect of sealing a gap between the drill rod and the rod opening 242 is achieved, meanwhile, the dust-containing air flow is controlled to enter the air suction opening 223, and the flow speed of the wind flow can be increased when the wind flow passes through the shrinkage tube 21, so that the dust can be better controlled to flow into the air suction opening 223; when the dust-containing air flow enters the muffler negative pressure dust removing device 4 through the hose, the nozzle 412 starts to spray water mist to carry out wet dust fall, the sediment after dust fall is discharged through the slag discharge port 452, and the air flow enters the air outlet pipeline through the air outlet 441; meanwhile, the spraying dust falling process drives the movement speed of the air flow in the muffler negative pressure dust removing device 4, negative pressure is increased, and then the air flow speed in the suction dust collecting device 2 is increased, so that the tightness and dust control performance of the suction dust collecting device are improved.
According to the portable coal mine support drilling dust control and removal device and the dust removal method, the pressed-in air port 241 is arranged on the spherical surface of the pressing type fan housing 24 along a horizontal tangent line, so that the air flow entering the suction pressure dust collection device 2 is in a cyclone flow state, and the air flow rises along the rotation of the inner wall of the device to prevent dust from falling, and the sealing between the drill rod and the rod port 242 is realized; according to the portable coal mine support drilling dust control and removal device and method, the dust-containing air flow is surrounded in the middle through the plurality of nozzles 412 arranged circumferentially, so that the dust removal effect is effectively improved, the air flow is driven by water flow to form negative pressure in the muffler negative pressure dust removal device 4, and the air flow in the device is promoted.
The above specific embodiments are used for further detailed description of the objects, technical solutions and advantageous effects of the present invention. It should be understood that the foregoing description is only a specific example of the present invention, and is not intended to limit the invention, but rather is a reasonable combination of features described in the foregoing embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A portable colliery support drilling accuse dirt dust collector, its characterized in that: comprises a pumping dust collecting device (2), a hose (3) and a muffler negative pressure dust removing device (4), wherein the pumping dust collecting device (2) is connected with the muffler negative pressure dust removing device (4) through the hose (3); the pressure suction dust collection device (2) comprises a pressure type fan cover (24), the pressure type fan cover (24) is hemispherical, a press-in air opening (241) and a rod opening (242) are arranged on the pressure type fan cover (24), and the press-in air opening (241) is arranged on the spherical surface of the pressure type fan cover (24) within an included angle of 25-45 degrees with the horizontal plane along the horizontal tangential direction of the spherical surface; the rod opening (242) is arranged in the center of the spherical bottom end of the pressure type fan cover (24), and the drill rod is inserted into the rod opening (242);
the suction and compression dust collection device (2) further comprises a shrinkage tube (21), a suction dust collection cover (22) and two supporting frames (23), wherein the suction dust collection cover (22), the shrinkage tube (21) and the compression air cover (24) are sequentially connected, and the suction dust collection cover (22) is further provided with the two supporting frames (23);
the suction type dust hood (22) comprises a dust hood body, a sealing ring (221), a contact plate (222), an exhaust opening (223) and two ball grooves (225), wherein the exhaust opening (223) is arranged on the dust hood body, the lower end of the dust hood body is connected with the shrinkage tube (21), and the upper end of the dust hood body is connected with the contact plate (222); the upper surface of the contact plate (222) is provided with a sealing ring (221), and the lower surface is provided with two ball grooves (225); the supporting frame (23) is mounted on the contact plate (222) through the ball groove (225); the air suction opening (223) is connected with the hose (3).
2. The portable coal mine support drilling dust control and removal device according to claim 1, wherein: the upper surface of the sealing ring (221) is provided with an anti-slip texture (2211).
3. The portable coal mine support drilling dust control and removal device according to claim 1 or 2, wherein: the muffler negative pressure dust removing device (4) comprises a muffler spraying module (41), a connecting port (42), a dust falling end (43), a throat pipe (44) and a slag discharging box (45), wherein the upper end of the dust falling end (43) is connected with the muffler spraying module (41) and the connecting port (42), and the lower end is connected with the throat pipe (44); the other end of the throat pipe (44) is connected with a slag discharging box (45); the upper end of the connecting port (42) is connected with the hose (3).
4. A portable coal mine support drilling dust control and removal device according to claim 3, wherein: the scarf spraying module (41) comprises a scarf water pipe (411), a plurality of nozzles (412), a water pipe fixing shell (413) and a water valve (416), wherein the nozzles (412) are arranged on the scarf water pipe (411) at equal intervals, and the nozzles (412) are inserted into the dust falling end (43); the scarf water pipe (411) is fixed on the dust falling end (43) through a water pipe fixing shell (413); the scarf water pipe (411) passes through the water pipe fixing shell (413) and is connected with a water source through the water valve (416).
5. The portable coal mine support drilling dust control and removal device according to claim 4, wherein: the dust settling end (43) is provided with a plurality of nozzle openings (431) and dust holes (432), and the dust holes (432) are arranged in the center of the upper surface of the dust settling end (43) and are communicated with the connecting ports (42); a plurality of nozzle openings (431) are uniformly arranged around the dust holes (432), and the nozzles (412) are inserted into the dust settling ends (43) through the nozzle openings (431).
6. The portable coal mine support drilling dust control and removal device according to claim 4 or 5, wherein: an air outlet (441) is arranged on the throat pipe (44).
7. The portable coal mine support drilling dust control and removal device according to claim 6, wherein: the slag discharging box (45) is provided with a slag discharging port (452).
8. A dust removal method using the portable coal mine support drilling dust control and removal device as claimed in claim 7, which is characterized in that: the method comprises the following steps:
a. the suction dust collector (2), the hose (3) and the muffler negative pressure dust collector (4) are connected in sequence, and the air supply pipeline, the air outlet pipeline and the water supply pipeline are respectively connected with the press-in air inlet (241), the air outlet (441) and the water valve (416);
b. placing the pumping dust collecting device (2) at a drilling position, and sealing the drilling position through a sealing ring (221);
c. the wind flow enters from the press-in wind opening (241) and rises along the inner wall in a rotating way, so that dust is prevented from falling and is sent into the hose (3);
d. the dust-containing air flow enters the muffler negative pressure dust removing device (4) through the hose (3), wet dust fall is carried out through the nozzles (412), and sediment is discharged from the slag discharging port (452).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311016421.9A CN116950707B (en) | 2023-08-10 | 2023-08-10 | Portable coal mine support drilling dust control and removal device and dust removal method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311016421.9A CN116950707B (en) | 2023-08-10 | 2023-08-10 | Portable coal mine support drilling dust control and removal device and dust removal method |
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| CN116950707A CN116950707A (en) | 2023-10-27 |
| CN116950707B true CN116950707B (en) | 2024-02-27 |
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