CN216604546U - Powerful dust falling device for mining coal cutter - Google Patents
Powerful dust falling device for mining coal cutter Download PDFInfo
- Publication number
- CN216604546U CN216604546U CN202123408888.7U CN202123408888U CN216604546U CN 216604546 U CN216604546 U CN 216604546U CN 202123408888 U CN202123408888 U CN 202123408888U CN 216604546 U CN216604546 U CN 216604546U
- Authority
- CN
- China
- Prior art keywords
- valve core
- water
- flow passage
- nozzle
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Nozzles (AREA)
Abstract
A powerful dust falling device of a mining coal cutter comprises a machine body, wherein a water pump is arranged at the upper part of the machine body and connected with a hose, the other end of the hose is connected with a fixed pipe, the other end of the fixed pipe is connected with a water spraying pipe, a flow dividing pipe is arranged at the end part of the water spraying pipe, and a plurality of water mist spray nozzles are communicated and arranged on the flow dividing pipe; the water mist spray head comprises an outer shell, a first valve core, a second valve core and an inner valve core which are arranged in sequence from outside to inside, a first flow passage is arranged between the outer shell and the first valve core, a second flow passage is arranged between the first valve core and the second valve core, and a third flow passage is arranged between the second valve core and the inner valve core; through setting up thin water smoke shower nozzle, can be with the water refining to the tiny ground atomizing drop blowout, water economy resource on the one hand, on the other hand can increase the adhesive force of water smoke to the coal dust, and dust fall effect is better.
Description
The technical field is as follows:
the utility model relates to the technical field of underground equipment, in particular to a strong dust-settling device of a mining coal cutter.
Background art:
according to statistics, more than 90% of coal mines in China are underground mining, and mines and working faces are developing towards large-scale, intensive, safe, reliable and mechanical automation. The dust problem generated by the method is more serious, and the safe production of mines and the physical health of workers are seriously affected. The fully mechanized coal mining face is a dust source with the largest underground dust production amount, under the condition of no dustproof measure, the total dust concentration actually measured when a fully mechanized coal mining face coal mining machine cuts is 5000-6000 mg/m3 and can reach l0000mg/m3 at the highest, so that the dust production intensity of the fully mechanized coal mining face and the dust concentration in the working environment are increased, and the serious threat is formed to the safety production of coal mines and the health of operators.
The utility model content is as follows:
in order to solve the problems and overcome the defects of the prior art, the utility model provides the powerful dust falling device of the mining coal cutter, which has the advantages of fine water mist, good dust falling effect and water resource saving.
The utility model provides a powerful dust-settling device of a mining coal mining machine, which comprises a machine body, wherein a water pump is arranged at the upper part of the machine body and connected with a hose, the other end of the hose is connected with a fixed pipe, the other end of the fixed pipe is connected with a water spraying pipe, the end part of the water spraying pipe is provided with a flow dividing pipe, and a plurality of water mist spray nozzles are communicated and arranged on the flow dividing pipe;
the water mist spray head comprises a shell, a first valve core, a second valve core and an inner valve core which are sequentially arranged from outside to inside, a first flow passage is arranged between the shell and the first valve core, a second flow passage is arranged between the first valve core and the second valve core, and a third flow passage is arranged between the second valve core and the inner valve core.
Further, the first flow passage comprises a first water inlet and a first nozzle, and the diameter of the first flow passage from the first water inlet to the first nozzle is gradually reduced.
Furthermore, the second flow passage comprises a second water inlet and a second nozzle, and the diameter of the second flow passage from the second water inlet to the second nozzle is gradually increased.
Further, the third flow passage comprises a third water inlet and a third nozzle, and the diameter of the third flow passage from the third water inlet to the third nozzle is gradually reduced.
Furthermore, a backing ring is arranged at the third nozzle, and the outer wall of the backing ring is at an angle of 15 degrees.
Furthermore, the two ends of the machine body are provided with excavating arms, and the end parts of the excavating arms are provided with excavating turning heads.
The utility model has the beneficial effects that:
through setting up thin water smoke shower nozzle, can be with the water refines into the tiny ground atomized water droplet blowout, water economy resource on the one hand, on the other hand can increase the adhesive capacity of water smoke to the coal dust, and the dust fall effect is better.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged view of the water mist head according to the present invention.
1. The water spraying device comprises a machine body, 2, an excavating arm, 3, an excavating rotor, 4, a water pump, 5, a hose, 6, a fixed pipe, 7, a water spraying pipe, 8, a shunt pipe, 9, a water mist spray head, 10, a backing ring, 11, a shell, 12, a first valve core, 13, a second valve core, 14, an inner valve core, 15, a first nozzle, 16, a second nozzle, 17, a third nozzle, 18, a first water inlet, 19, a second water inlet, 20 and a third water inlet.
The specific implementation mode is as follows:
in order to make the implementation objects, technical solutions and advantages of the present invention more clear, the present invention will be described in more detail with reference to fig. 1 and 2 of the accompanying drawings.
The utility model provides a powerful dust fall device of a mining coal mining machine, which comprises a machine body 1, wherein a water pump 4 is arranged at the upper part of the machine body 1, the water pump 4 is connected with a hose 5, the other end of the hose 5 is connected with a fixed pipe 6, the other end of the fixed pipe 6 is connected with a water spray pipe 7, the end part of the water spray pipe 7 is provided with a flow dividing pipe 8, and a plurality of water mist spray nozzles 9 are communicated and arranged on the flow dividing pipe 8; the water mist spray head 9 comprises an outer shell 11, a first valve core 12, a second valve core 13 and an inner valve core 14 which are arranged in sequence from outside to inside, a first flow passage is arranged between the outer shell 11 and the first valve core 12, a second flow passage is arranged between the first valve core 12 and the second valve core 13, and a third flow passage is arranged between the second valve core 13 and the inner valve core 14; the first flow passage comprises a first water inlet 18 and a first nozzle 15, and the diameter of the first flow passage from the first water inlet 18 to the first nozzle 15 is gradually reduced; the second flow passage comprises a second water inlet 19 and a second nozzle 16, and the diameter of the second flow passage from the second water inlet 19 to the second nozzle 16 is gradually increased; the third flow passage comprises a third water inlet 20 and a third nozzle 17, and the diameter of the third flow passage is gradually reduced from the third water inlet 20 to the third nozzle 17; a backing ring 10 is arranged at the third nozzle 17, and the outer wall of the backing ring 10 forms an angle of 15 degrees; the two ends of the machine body 1 are provided with excavating arms 2, and the end parts of the excavating arms 2 are provided with excavating turning heads 3.
One of the embodiments of the utility model is as follows:
the water spraying machine comprises a machine body 1, wherein a water pump 4 is arranged at the upper part of the machine body 1, the water pump 4 is connected with a hose 5, the other end of the hose 5 is connected with a fixed pipe 6, the other end of the fixed pipe 6 is connected with a water spraying pipe 7, a flow dividing pipe 8 is arranged at the end part of the water spraying pipe 7, and a plurality of water mist spray nozzles 9 are communicated with the flow dividing pipe 8;
the water mist spray head 9 comprises an outer shell 11, a first valve core 12, a second valve core 13 and an inner valve core 14 which are arranged in sequence from outside to inside, a first flow passage is arranged between the outer shell 11 and the first valve core 12, a second flow passage is arranged between the first valve core 12 and the second valve core 13, and a third flow passage is arranged between the second valve core 13 and the inner valve core 14;
the first flow passage comprises a first water inlet 18 and a first nozzle 15, the diameter of the first flow passage from the first water inlet 18 to the first nozzle 15 is gradually reduced, and the flow speed of water is gradually increased;
the second flow passage comprises a second water inlet 19 and a second nozzle 16, the diameter of the second flow passage from the second water inlet 19 to the second nozzle 16 is gradually increased, and the flow speed of water is reduced;
the third flow channel comprises a third water inlet 20 and a third nozzle 17, the diameter of the third flow channel from the third water inlet 20 to the third nozzle 17 is gradually reduced, and the flow speed of water is gradually increased;
meanwhile, the orientations of the first nozzle 15, the second nozzle 16 and the third nozzle 17 are different, the first nozzle 15 sprays centripetally, the second nozzle 16 sprays straightly, the third nozzle 17 sprays centrifugally, the three water mists are interwoven, and meanwhile, due to different flow rates, the coverage area is enlarged after mutual collision, and the diameter of the water mists can be further reduced.
The third nozzle 17 is provided with a backing ring 10, and the outer wall of the backing ring 10 forms an angle of 15 degrees, so that the water mist at the third nozzle 17 is centrifugally sprayed.
The lower part of the fixed pipe 6 is provided with a lifting structure, in the embodiment, a hydraulic rod is adopted as the lifting structure, and the height of the water mist spray head 9 can be adjusted up and down
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a powerful dust device of mining coal-winning machine which characterized in that: the water spraying machine comprises a machine body, wherein a water pump is arranged at the upper part of the machine body, the water pump is connected with a hose, the other end of the hose is connected with a fixed pipe, the other end of the fixed pipe is connected with a water spraying pipe, a flow dividing pipe is arranged at the end part of the water spraying pipe, and a plurality of water mist spray nozzles are communicated and arranged on the flow dividing pipe;
the water mist spray head comprises a shell, a first valve core, a second valve core and an inner valve core which are sequentially arranged from outside to inside, a first flow passage is arranged between the shell and the first valve core, a second flow passage is arranged between the first valve core and the second valve core, and a third flow passage is arranged between the second valve core and the inner valve core.
2. The powerful dust fall device for the mining coal mining machine according to claim 1, characterized in that: the first flow passage comprises a first water inlet and a first nozzle, and the diameter of the first flow passage from the first water inlet to the first nozzle is gradually reduced.
3. The powerful dust fall device for the mining coal mining machine according to claim 1, characterized in that: the second runner includes second water inlet and second spout, the diameter of second runner from second water inlet to second spout department is crescent.
4. The powerful dust fall device for the mining coal mining machine according to claim 1, characterized in that: the third flow channel comprises a third water inlet and a third nozzle, and the diameter of the third flow channel from the third water inlet to the third nozzle is gradually reduced.
5. The powerful dust fall device for the mining coal mining machine according to claim 4, wherein: the third spout department is provided with the backing ring, the outer wall of backing ring is 15 degrees angles.
6. The powerful dust fall device for the mining coal mining machine according to claim 1, characterized in that: the excavator is characterized in that excavating arms are arranged at two ends of the excavator body, and excavating rotating heads are arranged at the end parts of the excavating arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123408888.7U CN216604546U (en) | 2021-12-31 | 2021-12-31 | Powerful dust falling device for mining coal cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123408888.7U CN216604546U (en) | 2021-12-31 | 2021-12-31 | Powerful dust falling device for mining coal cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216604546U true CN216604546U (en) | 2022-05-27 |
Family
ID=81686018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123408888.7U Active CN216604546U (en) | 2021-12-31 | 2021-12-31 | Powerful dust falling device for mining coal cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216604546U (en) |
-
2021
- 2021-12-31 CN CN202123408888.7U patent/CN216604546U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207245674U (en) | A kind of coiled tubing negative pressure sand washing dragging acidifying integrated tool | |
| CN203778219U (en) | High pressure swirl nozzle for mist spray dust removal | |
| CN105234018B (en) | Foam and spraying integrated spray head | |
| CN207332794U (en) | Well washing tool | |
| CN210279529U (en) | Rotary nozzle beneficial to improving irrigation efficiency | |
| CN203867572U (en) | Dust suppression system of tunneling machine | |
| CN201531270U (en) | Water spray surrounded dust collector of excavating machine | |
| CN216604546U (en) | Powerful dust falling device for mining coal cutter | |
| CN211835985U (en) | Intelligent fire-fighting nozzle convenient for rotary spraying | |
| CN206027973U (en) | Crisscross liquid film supersonic speed gas atomizer | |
| CN107998565A (en) | A kind of rotary fluid injection apparatus | |
| CN208220693U (en) | Mining dust suppression dust-extraction unit | |
| CN212548081U (en) | Fire-fighting equipment is with spraying extinguishing device | |
| CN207857167U (en) | A kind of rotary nozzle of coalcutter sprayer | |
| CN209687489U (en) | Dust suppression system of cantilever type heading machine | |
| CN204476458U (en) | A kind of underground mine use dust guard efficiently | |
| CN208643007U (en) | A kind of block-resistant type spray tube | |
| CN205858404U (en) | A kind of Comprehesive coal mining frame spraying device | |
| CN101318163A (en) | Foam nozzle for dust removing down-hole of coal mine | |
| CN105201505A (en) | Gas-water injection device and dust control system for dust produced by cutting of coal cutter | |
| CN108361030B (en) | A kind of development machine annular package dust-arrest device | |
| CN210105912U (en) | Dust settling system for underground gas extraction drill hole orifice | |
| CN202157821U (en) | Drilling and slagging deduster for down-hole coal mine | |
| CN215195180U (en) | Middle and low pressure water mist spray nozzle for dust removal and temperature reduction | |
| CN202250158U (en) | Water jet dust-settling spraying device for mine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |