CN219012684U - Dust fall device convenient to adjust spraying range for coal mine - Google Patents
Dust fall device convenient to adjust spraying range for coal mine Download PDFInfo
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- CN219012684U CN219012684U CN202221487493.2U CN202221487493U CN219012684U CN 219012684 U CN219012684 U CN 219012684U CN 202221487493 U CN202221487493 U CN 202221487493U CN 219012684 U CN219012684 U CN 219012684U
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- water
- spraying
- spray head
- convenient
- adjusting
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- 238000005507 spraying Methods 0.000 title claims abstract description 72
- 239000003245 coal Substances 0.000 title claims abstract description 32
- 239000000428 dust Substances 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 239000007921 spray Substances 0.000 claims abstract description 68
- 230000000694 effects Effects 0.000 claims abstract description 10
- 235000014676 Phragmites communis Nutrition 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 5
- 244000089486 Phragmites australis subsp australis Species 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 5
- 239000004575 stone Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 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
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a dust fall device for a coal mine, which is convenient for adjusting a spraying range, and comprises a water pipe, wherein a truncated cone-shaped cover plate is arranged at the end part of the water pipe, a conical spray head is fixedly arranged on the cover plate, a plurality of water spraying holes are formed in the spray head, the axes of the water spraying holes are intersected, the intersection point is positioned in the spray head, and a baffle which is distributed in a circumferential array and is used for plugging the water spraying holes is movably arranged in the spray head. According to the dust settling device for the coal mine, which is convenient for adjusting the spraying range, the conical cover plate and the conical spray head form a narrow opening at the water outlet of the water pipe, the flow speed of water flow can be increased when the water flow passes through the narrow opening, the flow speed of water flow sprayed by the spray head can be increased, the penetrability of the water flow is stronger, the dust settling and cooling effects are better, the axial leads of the water spray holes are intersected, the intersection point is positioned in the spray head, a conical spraying area can be formed when the water flow is sprayed from the water spray holes, the coverage area is larger, and the spraying effect is better.
Description
Technical Field
The utility model relates to the technical field of coal mining, in particular to a dust fall device for a coal mine, which is convenient for adjusting a spraying range.
Background
Coal is an important mineral resource, as early as a new stone machine age, people have records of using coal, the coal is mined on the coal mine, the coal mine can be generally divided into an open pit coal mine close to the ground surface and a well work coal mine far away from the ground surface, mountain-breaking broken stone is needed in the process of mining coal, and a lot of dust can be generated, and the dust swings along with wind, so that the whole coal mine is covered in the dust, and the atmosphere is seriously polluted.
According to patent number CN111101939B, publication (bulletin) date 2021.10.22 discloses a spray dust settling device for a coal mine heading machine, comprising a machine case arranged on a heading machine body, a spray cylinder arranged on the machine case and an air inlet pipe arranged in the middle of the spray cylinder and communicated with the spray cylinder; the spraying cylinder is internally fixed with two air blowers, and the two air blowers are respectively positioned at two sides of the joint of the air inlet pipe and the spraying cylinder; a water absorbing sleeve is arranged in the air inlet pipe, the outer side wall of the water absorbing sleeve is fixed with the inner side wall of the air inlet pipe, and the diameter of the inner wall of the water absorbing sleeve gradually increases and then gradually decreases along the axis direction of the water absorbing sleeve; the top of the spraying cylinder is also provided with a water supply tank, water required for atomizing is arranged in the water supply tank, and a connecting pipe is arranged between the water supply tank and the air inlet pipe; one end of the connecting pipe is connected with the bottom of the water supply tank and is communicated with the inside of the water supply tank, the other end of the connecting pipe is communicated with the inner side wall of the water absorbing sleeve, and the communicating part of the connecting pipe and the water absorbing sleeve is arranged at the position with the minimum inner diameter of the inner wall of the water absorbing sleeve. According to the technical scheme, when the development machine works, the two blowers in the spray cylinder are started simultaneously, negative pressure is formed in a space between the two blowers in the spray cylinder, air pressure outside the air inlet pipe is atmospheric pressure, air pressure difference between the outside of the air inlet pipe and the inside of the spray cylinder is formed, external air flow enters the spray cylinder through the air inlet pipe, the air flows are sprayed out through the two ends of the spray cylinder through the action of the blowers, in the process, when the air flow passes through the water suction sleeve in the air inlet pipe, due to the diameter change of the inner wall of the water suction sleeve, the air flow speed is accelerated when the air flow passes through the position with the minimum inner diameter of the water suction sleeve, so that the air pressure of the connecting pipe and the water suction sleeve is extremely small, the water flow in the water supply tank enters the water suction sleeve through the connecting pipe under the action of the air pressure difference, the water flow entering the water suction sleeve is in the air flow with the fastest flow speed, and under the impact action of the air flow, the water flow is broken to be in a small water bead shape and finally discharged out of the spray cylinder along with the air flow, the air in the working environment of the development machine floats in the air, and the small water bead in the working environment of the development machine is adsorbed in the air, and dust settling effect is good, in addition, the mist spraying dust settling device is suitable for achieving the severe mechanical working environment.
The spraying equipment is needed to be prepared for dust fall in coal mining, meanwhile, the mined coal stones are required to be watered, the coal stones are prevented from rubbing against each other to cause fire, most of spraying equipment commonly used in the coal mine at present is a vertical spray head for spraying water to carry out dust fall and cooling on the coal stones, but the coverage area of the spray head is fixed, and the dust fall and cooling cannot be carried out on a certain area in a strong spraying manner when the spraying equipment is needed.
Disclosure of Invention
The utility model aims to provide a dust fall device for a coal mine, which is convenient for adjusting a spraying range, and aims to solve the problem that the spraying range of traditional spraying equipment is fixed and dust fall and temperature reduction cannot be carried out on a certain area in a strong spraying manner when the spraying range is needed.
In order to achieve the above purpose, the utility model provides a dust fall device for a coal mine, which is convenient for adjusting a spraying range, and comprises a water pipe, wherein a circular truncated cone-shaped cover plate is arranged at the end part of the water pipe, a conical spray head is fixedly arranged on the cover plate, a plurality of water spraying holes are formed in the spray head, the axial leads of the water spraying holes are intersected and the intersection point is positioned in the spray head, and a baffle which is distributed in a circumferential array and used for blocking the water spraying holes is movably arranged in the spray head.
Preferably, the baffle is provided with a connecting rod extending to the outer side of the spray head, and the spray head is rotatably provided with a circular ring.
Preferably, a plurality of arc grooves are formed in the bottom of the circular ring, and the connecting rod is provided with a lug matched with the arc grooves.
Preferably, a stop block for blocking the water spraying hole is movably arranged on the baffle plate.
Preferably, a telescopic rod is arranged between the stop block and the spray head.
Preferably, a spring is provided between the stopper and the baffle.
Preferably, the spring plate for locking the circular ring is arranged on the spray head.
Preferably, grooves which are distributed in a circumferential array and are matched with the reeds are formed in the top of the circular ring.
In the technical scheme, the dust fall device for the coal mine, which is convenient for adjusting the spraying range, has the following beneficial effects: the tip of water pipe is provided with round platform form cover plate, fixed mounting has coniform shower nozzle on the cover plate, a plurality of water spray holes have been seted up on the shower nozzle, the axial lead of a plurality of water spray holes is crossing and the intersect is located the inside of shower nozzle, the inside activity of shower nozzle is provided with and is circumference array distribution and be used for shutoff water spray hole's baffle, round platform form cover plate and coniform shower nozzle form a slot in the delivery port department of water pipe, the velocity of flow can increase when rivers through this slot, shower nozzle spun velocity of flow also can increase, the penetrability of rivers is stronger, dust fall cooling effect is better, and the axial lead of a plurality of water spray holes is crossing and the intersect is located the inside of shower nozzle, the rivers can form a coniform spray region when spouting from the water spray hole of water spray hole, compared in traditional vertical direction the scope of water spray hole blowout cover is bigger, when needs to spray to certain region spraying work, the center department of drive baffle to the shower nozzle removes, the baffle can increase the water spray Kong Dangzhu of shower nozzle outer lane, the velocity of middle water spray hole spun stream can increase, the effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an internal structure according to an embodiment of the present utility model;
fig. 3 is an enlarged view at a in fig. 2.
Reference numerals illustrate:
1. a water pipe; 11. a cover plate; 12. a spray head; 13. a water spraying hole; 14. a reed; 21. a baffle; 211. a stop block; 212. a telescopic rod; 213. a spring; 22. a connecting rod; 23. and (3) a circular ring.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, a dust fall device for coal mine convenient for adjusting spraying range comprises a water pipe 1, wherein a circular truncated cone-shaped cover plate 11 is arranged at the end part of the water pipe 1, a conical spray head 12 is fixedly arranged on the cover plate 11, a plurality of water spray holes 13 are formed in the spray head 12, the axial leads of the water spray holes 13 are intersected and the intersection point is located in the spray head 12, and a baffle 21 which is distributed in a circumferential array and used for blocking the water spray holes 13 is movably arranged in the spray head 12.
In the above technical scheme, the tip of water pipe 1 is provided with round platform form cover plate 11, fixed mounting has conical shower nozzle 12 on the cover plate 11, a plurality of holes for water spraying 13 have been seted up on the shower nozzle 12, the axial lead of a plurality of holes for water spraying 13 is crossing and the intersection is located the inside of shower nozzle 12, the inside activity of shower nozzle 12 is provided with and is the baffle 21 that the circumference array distributes and be used for shutoff holes for water spraying 13, round platform form cover plate 11 and conical shower nozzle 12 form a narrow mouth in the delivery port department of water pipe 1, the velocity of flow can increase when this narrow mouth is passed in the rivers, the velocity of flow of shower nozzle 12 spun rivers also can increase, the penetrability of rivers is stronger, dust fall cooling effect is better, and the axial lead of a plurality of holes for water spraying 13 intersects and the intersection is located the inside of shower nozzle 12, the water flow can form a conical spray region when spouting from hole for water spraying 13, compared with the scope that the water spraying 13 of traditional vertical direction spouted, when needs to carry out work to a certain region, the center department that drives baffle 21 moves, baffle 21 can block the hole 13 of shower nozzle 12, the velocity of water spraying 13 of the hole 13 of middle can be increased, the velocity of flow of water spraying effect can be better.
As a further provided embodiment of the present utility model, as shown in fig. 2-3, a connecting rod 22 extending to the outside of the spray head 12 is provided on the baffle 21, a ring 23 is rotatably provided on the spray head 12, a plurality of arc grooves are provided at the bottom of the ring 23, a bump adapted to the arc grooves is provided on the connecting rod 22, and a stop block 211 for blocking the water spraying hole 13 is movably provided on the baffle 21; when spraying work is required to be performed on a certain area, the ring 23 is rotated, the reed 14 is extruded by the ring 23 to deform and leave the groove on the ring 23, at the moment, the arc-shaped groove at the bottom of the ring 23 can prop against the convex block on the connecting rod 22 to enable the connecting rod 22 to move towards the inside of the spray head 12, the baffle 21 is driven to move towards the center of the spray head 12, the telescopic rod 212 is stretched, when the telescopic rod 212 stretches to the limit position, the baffle 211 is separated from the baffle 21, at the moment, the baffle 211 blocks part of the water spraying holes 13, the baffle 21 continues to move, the spring 213 is stretched, when the baffle 21 blocks the other circle of the water spraying holes 13, the reed 14 is inserted into the groove on the ring 23 to fix the ring 23, at the moment, the targeted spraying work can be performed, after the targeted spraying work is completed, the ring 23 is reversely rotated, the connecting rod 22 is driven to move towards the outer side of the spray head 12, at the moment, the baffle 21 moves towards the direction away from the center of the spray head 12, the baffle 211 is gradually returned to the baffle 21, the water spraying holes 13 are not blocked, and the work is normally performed.
As still another embodiment of the present utility model, as shown in fig. 2-3, a spring 213 is provided between the stopper 211 and the nozzle 12, and between the stopper 211 and the baffle 21, a telescopic rod 212 is provided; when spraying work is required to be performed on a certain area, the ring 23 is rotated, the reed 14 is extruded by the ring 23 to deform and leave the groove on the ring 23, at the moment, the arc-shaped groove at the bottom of the ring 23 can prop against the convex block on the connecting rod 22 to enable the connecting rod 22 to move towards the inside of the spray head 12, the baffle 21 is driven to move towards the center of the spray head 12, the telescopic rod 212 is stretched, when the telescopic rod 212 stretches to the limit position, the baffle 211 is separated from the baffle 21, at the moment, the baffle 211 blocks part of the water spraying holes 13, the baffle 21 continues to move, the spring 213 is stretched, when the baffle 21 blocks the other circle of the water spraying holes 13, the reed 14 is inserted into the groove on the ring 23 to fix the ring 23, at the moment, the targeted spraying work can be performed, after the targeted spraying work is completed, the ring 23 is reversely rotated, the connecting rod 22 is driven to move towards the outer side of the spray head 12, at the moment, the baffle 21 moves towards the direction away from the center of the spray head 12, the baffle 211 is gradually returned to the baffle 21, the water spraying holes 13 are not blocked, and the work is normally performed.
As a further embodiment of the present utility model, as shown in fig. 2-3, the spray head 12 is provided with the reed 14 for locking the ring 23, and the top of the ring 23 is provided with grooves distributed in a circumferential array and adapted to the reed 14; when spraying work is required to be performed on a certain area, the ring 23 is rotated, the reed 14 is extruded by the ring 23 to deform and leave the groove on the ring 23, at the moment, the arc-shaped groove at the bottom of the ring 23 can prop against the convex block on the connecting rod 22 to enable the connecting rod 22 to move towards the inside of the spray head 12, the baffle 21 is driven to move towards the center of the spray head 12, the telescopic rod 212 is stretched, when the telescopic rod 212 stretches to the limit position, the baffle 211 is separated from the baffle 21, at the moment, the baffle 211 blocks part of the water spraying holes 13, the baffle 21 continues to move, the spring 213 is stretched, when the baffle 21 blocks the other circle of the water spraying holes 13, the reed 14 is inserted into the groove on the ring 23 to fix the ring 23, at the moment, the targeted spraying work can be performed, after the targeted spraying work is completed, the ring 23 is reversely rotated, the connecting rod 22 is driven to move towards the outer side of the spray head 12, at the moment, the baffle 21 moves towards the direction away from the center of the spray head 12, the baffle 211 is gradually returned to the baffle 21, the water spraying holes 13 are not blocked, and the work is normally performed.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (8)
1. The utility model provides a dust fall device for colliery convenient to adjust spraying scope, its characterized in that, includes water pipe (1), the tip of water pipe (1) is provided with round platform form cover plate (11), fixed mounting has conical shower nozzle (12) on cover plate (11), a plurality of hole for water spraying (13) have been seted up on shower nozzle (12), a plurality of the axial lead of hole for water spraying (13) is crossing and the intersection is located the inside of shower nozzle (12), the inside activity of shower nozzle (12) is provided with and is circumference array distribution and is used for the shutoff baffle (21) of hole for water spraying (13).
2. The dust fall device for coal mines convenient for adjusting the spraying range according to claim 1, wherein a connecting rod (22) extending to the outer side of the spray head (12) is arranged on the baffle plate (21), and a circular ring (23) is rotatably arranged on the spray head (12).
3. The dust fall device for coal mines convenient for adjusting the spraying range according to claim 2, wherein a plurality of arc-shaped grooves are formed in the bottom of the circular ring (23), and the connecting rod (22) is provided with a lug matched with the arc-shaped grooves.
4. The dust fall device for coal mines convenient for adjusting the spraying range according to claim 1, wherein a stop block (211) for blocking the water spraying hole (13) is movably arranged on the baffle plate (21).
5. The dust settling device for coal mines convenient for adjusting the spraying range according to claim 4, wherein a telescopic rod (212) is arranged between the stop block (211) and the spray head (12).
6. The dust settling device for coal mines, which is convenient for adjusting the spraying range, according to claim 4, is characterized in that a spring (213) is arranged between the baffle plate (21) and the baffle plate (211).
7. A dust fall apparatus for coal mine convenient for adjusting spraying range according to claim 2, characterized in that the spray head (12) is provided with a reed (14) for locking the circular ring (23).
8. The dust fall device for coal mine convenient for adjusting spraying range according to claim 7, wherein grooves which are distributed in a circumferential array and are matched with the reeds (14) are formed in the top of the circular ring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221487493.2U CN219012684U (en) | 2022-06-14 | 2022-06-14 | Dust fall device convenient to adjust spraying range for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221487493.2U CN219012684U (en) | 2022-06-14 | 2022-06-14 | Dust fall device convenient to adjust spraying range for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219012684U true CN219012684U (en) | 2023-05-12 |
Family
ID=86247749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221487493.2U Expired - Fee Related CN219012684U (en) | 2022-06-14 | 2022-06-14 | Dust fall device convenient to adjust spraying range for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219012684U (en) |
-
2022
- 2022-06-14 CN CN202221487493.2U patent/CN219012684U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |