CN221032727U - Negative pressure entrainment type spray assembly for fully mechanized mining face - Google Patents
Negative pressure entrainment type spray assembly for fully mechanized mining face Download PDFInfo
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- CN221032727U CN221032727U CN202323089943.XU CN202323089943U CN221032727U CN 221032727 U CN221032727 U CN 221032727U CN 202323089943 U CN202323089943 U CN 202323089943U CN 221032727 U CN221032727 U CN 221032727U
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- 238000005065 mining Methods 0.000 title claims abstract description 17
- 239000007921 spray Substances 0.000 title claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 133
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000005507 spraying Methods 0.000 claims abstract description 24
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 14
- 239000003245 coal Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 17
- 239000003595 mist Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Special Spraying Apparatus (AREA)
Abstract
The utility model relates to the field of spraying equipment, in particular to a negative pressure entrainment type spraying assembly of a fully-mechanized mining face, which comprises a wall body, wherein a first equipment room and a second equipment room are fixedly arranged on one side of the wall body, an air extractor is arranged in the first equipment room, the air extractor is fixedly connected with a gas transmission assembly through an L-shaped gas transmission pipe, a water pumping device is arranged in the second equipment room, the water pumping device is fixedly connected with a water transmission assembly through an L-shaped water transmission pipe, a plurality of negative pressure spraying assemblies are uniformly arranged at the bottom of the gas transmission assembly, the water transmission assembly is fixedly connected with the negative pressure spraying assemblies, a door body is rotatably arranged on the wall body, cabinet doors are hinged to the first equipment room and the second equipment room, the first equipment room and the second equipment room are fixedly arranged on the inner side of the wall body through fixing brackets, the device utilizes the negative pressure spraying assemblies to improve the flow rate of air, utilizes high-speed flowing air to form a negative pressure area in the negative pressure spraying assemblies, and utilizes the negative pressure area to scatter water into a water mist shape, and finally the water mist is sprayed out through fan-shaped nozzles to realize the dust reduction effect.
Description
Technical Field
The utility model relates to the field of spraying equipment, in particular to a negative pressure entrainment type spraying assembly for a fully mechanized mining face.
Background
In the coal mine industry, the stoping working face of the underground coal mine equipment comprehensive mechanized equipment is a fully mechanized working face, so that a large amount of dust can be generated on the fully mechanized working face due to the backflow of wind, health problems can occur when workers work at positions with high dust concentration for a long time, and therefore dust fall can be carried out by spraying water by the aid of the nozzles arranged at the tops of the fully mechanized working face, but the nozzles are easy to block due to the fact that the dust concentration is high, water drops in spraying are large, water consumption is high, dust fall effect is poor, and therefore the problem is solved by the aid of the negative pressure entrainment type spraying assembly of the fully mechanized working face.
Chinese patent publication No. CN217761067U discloses a negative pressure entrainment type spray assembly for fully mechanized mining face, the device includes gas filtering component and liquid filtering component, the inlet end of gas filtering component is connected with air inlet pipeline, the inlet end of liquid filtering component is connected with water supply pipeline, the outlet end of gas filtering component is connected with the inlet end of an integrated six-position slide valve, the outlet end of liquid filtering component is connected with the inlet end of an integrated six-position slide valve, the outlet end of an integrated six-position slide valve is connected with the air inlet of a negative pressure spray dust fall spray head group through air pipe, the outlet end of an integrated six-position slide valve is connected with the water inlet of a negative pressure spray dust fall spray head group through water pipe, the controlled port of an integrated six-position slide valve is connected with emulsion control pipeline, the control port of an integrated six-position slide valve is connected with the controlled end of a protection plate of a hydraulic support, the negative pressure spray dust fall spray head group is composed of a plurality of top beams, and the negative pressure spray head is installed at the position of each support.
In the above patent, the gas filtering component and the liquid filtering component are connected with the integrated six-position slide valve together, and dust fall is controlled through the integrated six-position slide valve, but the device has the problems of complex structure and high setting cost.
Disclosure of utility model
The utility model aims to provide a negative pressure entrainment type spray assembly for a fully mechanized mining face, which utilizes a venturi tube to improve the flow velocity of air, utilizes high-speed air to form a negative pressure area, utilizes the negative pressure area to spray water into water mist, and has the advantages of high breaking degree of the mist droplets, long effective range, dust fall of weak water spray and the like.
In order to solve the problems, the utility model provides a negative pressure entrainment type spraying assembly of a fully-mechanized mining face, which comprises a wall body, wherein a first equipment room and a second equipment room are fixedly arranged on one side of the wall body, air holes are formed in side plates on two sides of the first equipment room, an air extractor is arranged in the first equipment room and fixedly connected with a gas transmission assembly through an L-shaped gas transmission pipe, a water pumping device is arranged in the second equipment room and fixedly connected with a water transmission assembly through an L-shaped water transmission pipe, a plurality of negative pressure spraying assemblies are uniformly arranged at the bottom of the gas transmission assembly, and the water transmission assembly is fixedly connected with the negative pressure spraying assembly.
Preferably, the air extractor comprises an exhaust fan, two sides of the exhaust fan are provided with air inlet covers, the air inlet covers are fixedly connected with the exhaust fan through connecting pipes, the top end of the exhaust fan is fixedly connected with a gas filtering box, and the gas filtering box is fixedly connected with an L-shaped gas transmission pipe.
Preferably, the water pumping device comprises a water storage tank, a water filling port is arranged on the water storage tank, a sealing cover is rotationally connected to the water filling port, a water pump is fixedly connected to the top end of the water storage tank, a water pumping pipe is fixedly connected to the output end of the water pump, one end of the water pumping pipe is fixedly connected with the water pump, the other end of the water pumping pipe is communicated with the inside of the water storage tank, a liquid filtering box is connected to the top end of the water pumping pipe, and the liquid filtering box is fixedly connected with an L-shaped water conveying pipe.
Preferably, the gas transmission assembly and the water transmission assembly are fixedly arranged on the inner side of the wall body through the fixing support.
Preferably, the gas transmission assembly comprises a main gas transmission pipe, wherein the bottom end of the main gas transmission pipe is uniformly provided with a plurality of negative pressure spray assemblies.
Preferably, the water delivery assembly comprises a main water delivery pipe, a plurality of auxiliary water delivery pipes are fixedly arranged on the main water delivery pipe, one end of each auxiliary water delivery pipe is fixedly connected with the main water delivery pipe, and the other end of each auxiliary water delivery pipe is fixedly connected with the negative pressure spraying assembly.
Preferably, the negative pressure spraying component comprises a venturi tube, the top end of the venturi tube is fixedly connected with the main air delivery tube, a fan-shaped nozzle is fixedly arranged at the bottom end of the venturi tube, and one side of the fan-shaped nozzle is fixedly connected with the auxiliary water delivery tube.
Preferably, the door body is rotatably arranged on the wall body, and the cabinet door is hinged on the first equipment room and the second equipment room.
The working principle and the using principle of the utility model are as follows: the device firstly filters the water in the water storage tank through the liquid filter box and then conveys the water to the main water pipe, secondly utilizes the air exhauster to convey the air into the gas pipeline after filtering through the air filter box, utilizes the venturi tube arranged at the bottom of the gas pipeline to extract the flow velocity of the air, simultaneously connects the auxiliary water pipe connected with the main water pipeline at the lower position of the venturi tube, utilizes the air flowing at high speed to form a negative pressure area in the venturi tube, utilizes the negative pressure area to scatter the water into a water mist shape, and finally is sprayed out through the fan-shaped nozzle, thereby realizing the effect of dust fall.
Compared with the prior art, the utility model has the beneficial effects that: the device utilizes venturi to make water smoke possess the advantage that crushing degree is high, effective far away, the effectual dust fall effect that has improved has increased the dust fall area, and the device utilizes gas filtering case and liquid filtering case filtration water and air that use, has solved the problem that the nozzle that gathers up the dust and lead to more because of near long-time work nozzle blocks up, has prolonged the life of nozzle.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an internal structure of a device according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view showing two internal structures of the equipment room according to the embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a negative pressure spray assembly according to an embodiment of the utility model.
Reference numerals illustrate: 1. a wall body; 101. a door body; 2. a first device; 21. an exhaust fan; 22. an air inlet cover; 23. a connecting pipe; 24. a gas filtration tank; 25. ventilation holes; 3. second equipment; 31. a water storage tank; 311. a water filling port; 312. sealing cover; 32. a water pump; 321. a water pumping pipe; 33. a liquid filtration tank; 4. a cabinet door; 5. an L-shaped gas pipe; 6. an L-shaped water delivery pipe; 7. a main gas pipe; 71. a negative pressure spray assembly; 711. a venturi tube; 712. a fan nozzle; 8. a main water pipe; 81. an auxiliary water pipe; 9. and (5) fixing the bracket.
Detailed Description
According to the illustration in fig. 1: the utility model provides a combine to adopt working face negative pressure entrainment formula spray assembly, including wall body 1, wall body 1 one side is fixed to be provided with equipment room one 2 and equipment room two 3, be provided with air exhaust device in equipment room one 2, air exhaust device passes through L type gas-supply pipe 5 and gas-supply subassembly fixed connection, be provided with pumping device in equipment room two 3, pumping device passes through L type raceway 6 and water delivery subassembly fixed connection, the gas delivery subassembly bottom evenly is provided with a plurality of negative pressure spray subassemblies 71, water delivery subassembly and negative pressure spray subassembly 71 fixed connection, rotate on the wall body 1 and be provided with door body 101, all articulate cabinet door 4 on equipment room one 2 and the equipment room two 3, all set up in wall body 1 inboard through fixed bolster 9 fixed on gas-supply subassembly and the water delivery subassembly.
When the wall body 1 is in specific implementation, the door body 101 which is arranged in a rotating mode is convenient for workers to enter and exit the fully mechanized coal mining face, the first equipment room 2 and the second equipment room 3 are arranged outside the fully mechanized coal mining face, the first equipment room 2 and the second equipment room 3 can be made of metal materials, the metal materials can prevent equipment in the equipment room from being damaged, the first equipment room 2 and the second equipment room 3 are hinged with the cabinet door 4, workers are convenient to maintain the equipment, the fixing support 9 can be set to be of a curved mode, the water conveying component and the gas conveying component are arranged at the bent position, and the water conveying component is fixed on the inner side of the wall body 1 through the fixing support 9, and the stability of the gas conveying component and the water conveying component is improved.
According to fig. 2 and 3: the air extractor comprises an air exhauster 21, air inlet hoods 22 are arranged on two sides of the air exhauster 21, the air inlet hoods 22 and the air exhauster 21 are fixedly connected through connecting pipes 23, an air filtering box 24 is fixedly connected to the top end of the air exhauster 21, the air filtering box 24 is fixedly connected with an L-shaped air conveying pipe 5, an air conveying component comprises a main air conveying pipe 7, a plurality of negative pressure spraying components 71 are uniformly arranged at the bottom end of the main air conveying pipe 7, the water extractor comprises a water storage tank 31, a water filling port 311 is arranged on the water storage tank 31, a sealing cover 312 is rotationally connected to the water filling port 311, a water suction pump 32 is fixedly connected to the top end of the water storage tank 31, a water suction pipe 321 is fixedly connected to the output end of the water suction pump 32, one end of the water suction pipe 321 is fixedly connected with the water suction pump 32, the other end of the water suction pump 32 is internally communicated with the water storage tank 31, a liquid filtering box 33 is connected to the top end of the water suction pump 32, the liquid filtering box 33 is fixedly connected with the L-shaped air conveying pipe 6, the main air conveying component comprises a main water conveying pipe 8, a plurality of auxiliary water conveying pipes 81 are fixedly arranged on the main water conveying pipe 8, one ends of the auxiliary water conveying pipes 81 are fixedly connected to the main water conveying pipe 8, and the other ends of the auxiliary water conveying components 81 are fixedly connected to the negative pressure spraying components 71.
In the specific implementation, the ventilation holes 25 and the air inlet covers 22 arranged on two sides of the first 2 of the equipment room can better suck external air, the exhaust fan 21 can filter the air by using the air filtering box 24 after sucking the air, so that impurities are not contained in the air, a pipeline is prevented from being blocked, and the water in the water storage tank 31 can be pumped into the liquid filtering box 33 for filtering by the water pump 32, and impurities in the water are prevented from flowing into the main water pipe 8.
According to fig. 4: the negative pressure spraying component 71 comprises a venturi 711, the top end of the venturi 711 is fixedly connected with the main air pipe 7, a fan-shaped nozzle 712 is fixedly arranged at the bottom end of the venturi 711, and one side of the fan-shaped nozzle 712 is fixedly connected with the auxiliary water pipe 81.
In the concrete implementation, the water pump and the exhaust fan 21 work simultaneously, water and air are respectively conveyed into the main air conveying pipe 7 and the main air conveying pipe 8 through the L-shaped water conveying pipe 6 and the L-shaped air conveying pipe 5, the flow speed of the air is accelerated through the venturi 711 at the bottom of the main air conveying pipe 7, a negative pressure area is formed in the venturi 711, then the water is conveyed into the venturi 711 through the auxiliary water conveying pipe 81 connected with the other end of the venturi 711, the water is dispersed into a water mist through the negative pressure area generated by high-speed air and the air, the water mist is sprayed out through the fan-shaped nozzle 712, and dust floating in the air is brought to the ground through the water mist, so that the dust generated by the fully-mechanized mining working face is degraded and dedusted, and the size of water drops is reduced, and the spraying range is also improved.
Claims (8)
1. Combine and adopt working face negative pressure entrainment formula spray assembly, including wall body (1), its characterized in that: the wall body (1) one side is fixedly provided with a first equipment room (2) and a second equipment room (3), ventilation holes (25) are formed in side plates on two sides of the first equipment room (2), air exhaust devices are arranged in the first equipment room (2), the air exhaust devices are fixedly connected with air transmission components through L-shaped air transmission pipes (5), water pumping devices are arranged in the second equipment room (3), the water pumping devices are fixedly connected with the water transmission components through L-shaped water transmission pipes (6), a plurality of negative pressure spraying components (71) are uniformly arranged at the bottom of the air transmission components, and the water transmission components are fixedly connected with the negative pressure spraying components (71).
2. The fully-mechanized mining face negative pressure entrainment spray assembly of claim 1, wherein: the air extractor comprises an air extractor (21), two sides of the air extractor (21) are provided with air inlet covers (22), the air inlet covers (22) are fixedly connected with the air extractor (21) through connecting pipes (23), the top end of the air extractor is fixedly connected with an air filtering box (24), and the air filtering box (24) is fixedly connected with an L-shaped air conveying pipe (5).
3. The fully mechanized coal mining face negative pressure entrainment spray assembly of claim 1 or 2, wherein: the water pumping device comprises a water storage tank (31), a water filling port (311) is arranged on the water storage tank (31), a sealing cover (312) is rotationally connected to the water filling port (311), a water pump (32) is fixedly connected to the top end of the water storage tank (31), a water pumping pipe (321) is fixedly connected to the output end of the water pump (32), one end of the water pumping pipe (321) is fixedly connected with the water pump (32), the other end of the water pumping pipe is communicated with the interior of the water storage tank (31), a liquid filtering box (33) is connected to the top end of the water pump (32), and the liquid filtering box (33) is fixedly connected with an L-shaped water conveying pipe (6).
4. The fully-mechanized mining face negative pressure entrainment spray assembly of claim 1, wherein: the gas transmission assembly and the water transmission assembly are fixedly arranged on the inner side of the wall body (1) through the fixing support (9).
5. The fully-mechanized mining face negative pressure entrainment spray assembly of claim 2, wherein: the air delivery assembly comprises a main air delivery pipe (7), wherein the main air delivery pipe (7) is provided with a plurality of negative pressure spray assemblies (71) at the bottom end of the main air delivery pipe (7).
6. The fully-mechanized mining face negative pressure entrainment spray assembly of claim 2, wherein: the water delivery assembly comprises a main water delivery pipe (8), a plurality of auxiliary water delivery pipes (81) are fixedly arranged on the main water delivery pipe (8), one end of each auxiliary water delivery pipe (81) is fixedly connected with the main water delivery pipe (8), and the other end of each auxiliary water delivery pipe is fixedly connected with the negative pressure spraying assembly (71).
7. The fully mechanized coal mining face negative pressure entrainment spray assembly of claim 5 or 6, wherein: the negative pressure spraying component (71) comprises a venturi tube (711), the top end of the venturi tube (711) is fixedly connected with the main air delivery tube (7), a fan-shaped nozzle (712) is fixedly arranged at the bottom end of the venturi tube (711), and one side of the fan-shaped nozzle (712) is fixedly connected with the auxiliary water delivery tube (81).
8. The fully mechanized coal mining face negative pressure entrainment spray assembly of claim 1, 2 or 4, wherein: the door body (101) is rotatably arranged on the wall body (1), and the cabinet door (4) is hinged on the first equipment room (2) and the second equipment room (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323089943.XU CN221032727U (en) | 2023-11-16 | 2023-11-16 | Negative pressure entrainment type spray assembly for fully mechanized mining face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323089943.XU CN221032727U (en) | 2023-11-16 | 2023-11-16 | Negative pressure entrainment type spray assembly for fully mechanized mining face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221032727U true CN221032727U (en) | 2024-05-28 |
Family
ID=91167400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323089943.XU Active CN221032727U (en) | 2023-11-16 | 2023-11-16 | Negative pressure entrainment type spray assembly for fully mechanized mining face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221032727U (en) |
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2023
- 2023-11-16 CN CN202323089943.XU patent/CN221032727U/en active Active
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