Spraying device for coal mining face
By designing a rotating dispersion spray device, the problem of small spray coverage area was solved, resulting in more efficient dust suppression and a longer service life for the equipment.
Patent Information
- Application Number
- CN202520180441.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-05
AI Technical Summary
In existing coal mining processes, the spray coverage of spray devices is small, resulting in poor dust suppression and an inability to effectively reduce coal dust concentration.
A spraying device was designed, which uses components such as a mounting base, a ring, a sliding plate, and a nozzle to make the sprayed water mist rotate and disperse, increasing the contact opportunity between mist particles and dust, and uses a torsion spring and a cover plate assembly to prevent dust from clogging the nozzle.
It improves the dust suppression efficiency and utilization rate of the spray, and extends the service life of the equipment.
Smart Images
Figure CN223724594U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal mining equipment technical field especially is related to a spray device for coal mining working face. BACKGROUND
[0002] Coal mine is the area that human extracts coal resources in the coal-rich mining area, is generally divided into underground coal mine and open coal mine, and coal is the most main solid fuel and is combustible organic rock, it is the thick layer that the flourishing plant of certain geologic era grows, in the suitable geologic environment, gradually piles up, and is buried in the water bottom or silt, forms through the long geologic era natural coalification.
[0003] Common coal mining collection mode includes open mining, underground mining, extremely inclined coal seam mining method and blasting coal mining technology, and the coal mining mode is various, has respective advantages and disadvantages, in actual production process, needs according to specific geologic condition, coal seam characteristics, technical level and economic rationality etc. Factor comprehensive consideration selects the suitable mining mode;
[0004] In prior art scheme, in the mining process, no matter any coal mining operation of coal mining working face, will make coal body and rock break, to produce a large amount of coal dust and rock dust, then through spraying water mist to achieve dust fall work, but the spray coverage of most spray devices is small, cannot completely cover the large area such as mining working face, leads to poor dust fall effect, cannot effectively reduce the coal dust concentration.
[0005] Therefore, a spray device for coal mining working face is provided. UTILITY MODEL CONTENT
[0006] The utility model discloses a kind of spray devices for coal mining working face, when spraying coal mining working face, device can make the water mist of spraying be in rotation dispersion, mist particle has more opportunity to contact with dust and occurs condensation settlement, to improve dust fall efficiency, further improve the utilization of spraying, to solve the problem proposed in above background technique.
[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of spray device for coal mining working face, including bottom plate, the upper end of the bottom plate is fixedly connected with water pump, the upper end front side of the bottom plate is provided with spray assembly, the spray assembly includes the mounting seat fixedly connected on the upper end front side of bottom plate, the inside of the mounting seat is provided with through slot, the upper end of the mounting seat is fixedly connected with first circular ring, the inside of the first circular ring is provided with circular groove, the second circular ring is movably connected in the inside of the circular groove, the front end of the second circular ring is fixedly connected with top plate, the outside of the second circular ring is fixedly connected with sliding plate, the front end of the top plate is fixedly connected with nozzle.
[0008] Preferably, a connecting pipe is fixedly connected between the water pump and the mounting seat, and the number of the sliding plates and the nozzles is multiple.
[0009] Preferably, a base is fixedly connected outside each of the plurality of nozzles, a rotating rod is fixedly connected inside the base, a sliding rod is movably connected outside the rotating rod, and a cover plate is fixedly connected to an end of the sliding rod away from the nozzle.
[0010] Preferably, a torsion spring is movably connected between each of the plurality of bases and the plurality of sliding rods.
[0011] Preferably, the through groove penetrates into the interior of the circular groove, and the through groove is inclined.
[0012] Preferably, the second circular ring is slidingly fitted in the interior of the circular groove, and the length of the sliding plate is less than the internal width of the circular groove.
[0013] Preferably, the length of the sliding rod is greater than the length of the nozzle, and the sliding rod is connected at a right angle with the cover plate.
[0014] Preferably, the elastic force of the torsion spring is greater than the sum of the gravity of the sliding rod and the cover plate.
[0015] Compared with the prior art, the spray device for the coal mining working face has the following beneficial effects:
[0016] 1. The spray device for the coal mining working face can make the sprayed water mist in a rotating and dispersing shape, so that the mist particles have more opportunities to contact and coagulate with dust, thereby improving the dust-settling efficiency and the utilization rate of the spray.
[0017] 2. The spray device for the coal mining working face can automatically close the nozzles after the spray work on the coal mining working face, so as to avoid the dust and debris from blocking the nozzles and affecting the spray work, thereby prolonging the service life of the device. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0019] Figure 1 It is the overall structure view of the present application.
[0020] Figure 2 is a half sectional structure schematic view of the utility model;
[0021] Figure 3 is a half sectional structure schematic view of the utility model Figure 2 is an enlarged view of A in the middle;
[0022] Figure 4 is a half sectional structure schematic view of the first circular ring of the utility model;
[0023] Figure 5 is a half sectional structure schematic view of the utility model Figure 3 is an enlarged view of A in the middle.
[0024] Explanation of reference signs:
[0025] 1, bottom plate; 2, water pump; 21, connecting pipe; 3, spray assembly; 31, mounting seat; 311, through slot; 32, first circular ring; 321, circular groove; 33, second circular ring; 331, top plate; 332, sliding plate; 34, nozzle; 4, base; 41, rotating rod; 42, sliding rod; 421, torsional spring; 422, cover plate. Specific implementation
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Please refer to Figures 1 to 4 The utility model provides a technical scheme:
[0028] The utility model provides a kind of spray device for coal mining face, including bottom plate 1, the upper end of the bottom plate 1 is fixedly connected with water pump 2, the upper end front side of the bottom plate 1 is provided with spray assembly 3, the spray assembly 3 includes mounting seat 31 fixedly connected on the upper end front side of bottom plate 1, the inside of the mounting seat 31 is provided with through slot 311, the upper end of the mounting seat 31 is fixedly connected with first circular ring 32, the inside of the first circular ring 32 is provided with circular groove 321, the front end of the second circular ring 33 is fixedly connected with top plate 331, the outside of the second circular ring 33 is fixedly connected with sliding plate 332, the front end of the top plate 331 is fixedly connected with nozzle 34, the water pump 2 is fixedly connected with connecting pipe 21 between mounting seat 31, the quantity of the sliding plate 332 and nozzle 34 is multiple, the through slot 311 is through to the inside of circular groove 321, the through slot 311 is inclined, the second circular ring 33 is slidably fitted in the inside of circular groove 321, the length of the sliding plate 332 is less than the inside width of circular groove 321.
[0029] By adopting the above technical scheme, before the coal mining face needs to be sprayed, the water source is connected to the water pump 2 at the upper end of the bottom plate 1, the water is injected into the through slot 311 inside the mounting seat 31 through the connecting pipe 21, the water source enters the circular groove 321 inside the first circular ring 32 along the inclined surface of the through slot 311, as the water source continuously enters the circular groove 321 and impacts the sliding plate 332 inside, the sliding plate 332 is rotated with the water source, the sliding plate 332 rotates with the second circular ring 33 outside and the top plate 331 at the front end, and the excess water in the circular groove 321 is sprayed out through the multiple nozzles 34 at the front end of the top plate 331, the sprayed water mist is dispersed outward under the influence of centrifugal force, so that when the spray assembly 3 sprays the coal mining face, the sprayed water mist is in a rotating and dispersed state, the mist particles have more opportunities to contact and coagulate with dust, thereby improving the dust-settling efficiency and the utilization rate of spraying.
[0030] Specifically, as shown in Figure 4 The outside of the plurality of nozzles 34 is fixedly connected with base 4, the inside of the base 4 is fixedly connected with rotating rod 41, the outside of the rotating rod 41 is movably connected with sliding rod 42, the end of the sliding rod 42 away from the nozzle 34 is fixedly connected with cover plate 422, the plurality of bases 4 and the plurality of sliding rods 42 are movably connected with torsional spring 421, the length of the sliding rod 42 is greater than the length of the nozzle 34, the sliding rod 42 is connected at right angles with the cover plate 422, and the elastic force of the torsional spring 421 is greater than the sum of the gravity of the sliding rod 42 and the cover plate 422.
[0031] By adopting the technical scheme, when spraying the coal mining working face, the roof 331 is rotated and sprayed by the nozzle 34 outside, and when the roof 331 rotates, the slide rod 42 and the cover plate 422 outside the rotating rod 41 are affected by the centrifugal force and swing outward of the roof 331, with the rotating rod 41 inside the base 4 as the swing point, the compression torsion spring 421 is compressed, the nozzle 34 is exposed, and when the spraying assembly 3 stops working, the torsion spring 421 pushes the slide rod 42 and the cover plate 422 to swing back to cover the front end of the nozzle 34, so that the nozzle 34 can be automatically closed after spraying the coal mining working face, avoiding dust and debris from blocking the nozzle 34, thereby affecting the spraying work, and prolonging the service life of the equipment.
[0032] Working principle: before the coal mining working face needs to be sprayed, first connect the water pump 2 on the upper end of the base plate 1, inject water into the through groove 311 inside the mounting seat 31 through the connecting pipe 21, and the water source enters the circular groove 321 inside the first circular ring 32 along the inclined surface of the through groove 311, and the sliding plate 332 is rotated by the water source, the sliding plate 332 is rotated with the outer second circular ring 33 and the front roof 331, and the excess water in the circular groove 321 is sprayed out through the plurality of nozzles 34 in the front of the roof 331, the water mist is affected by the centrifugal force and disperses outward, so that when the spraying assembly 3 sprays the coal mining working face, the sprayed water mist is in a rotating and dispersed state, the mist has more opportunities to contact dust and coagulate and settle, thereby improving the dust removal efficiency and improving the utilization rate of spraying.
[0033] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A spraying device for a coal mining face, comprising a floor (1), characterised in that: The upper end of the bottom plate (1) is fixedly connected with a water pump (2), the upper end of the bottom plate (1) is provided with a spraying assembly (3) on the front side, the spraying assembly (3) comprises a mounting seat (31) fixedly connected to the upper end of the bottom plate (1), a through groove (311) is formed in the mounting seat (31), a first circular ring (32) is fixedly connected to the upper end of the mounting seat (31), a circular groove (321) is formed in the first circular ring (32), a second circular ring (33) is movably connected to the inside of the circular groove (321), a top plate (331) is fixedly connected to the front end of the second circular ring (33), a sliding plate (332) is fixedly connected to the outside of the second circular ring (33), and a nozzle (34) is fixedly connected to the front end of the top plate (331).
2. A spraying device for use in a coal mining face according to claim 1, characterised in that: The water pump (2) and the mounting seat (31) are fixedly connected with a connecting pipe (21), and the number of the sliding plate (332) and the nozzle (34) is multiple.
3. A spraying device for use in coal mining faces according to claim 1, characterized in that: The outside of the multiple nozzles (34) is fixedly connected with a base (4), the inside of the base (4) is fixedly connected with a rotating rod (41), the outside of the rotating rod (41) is movably connected with a sliding rod (42), and one end of the sliding rod (42) away from the nozzle (34) is fixedly connected with a cover plate (422).
4. A spraying device for use in a coal mining face according to claim 3, characterised in that: The multiple bases (4) and the multiple sliding rods (42) are movably connected with a torsion spring (421).
5. A spraying device for use in coal mining faces according to claim 4, characterized in that: The through groove (311) penetrates into the circular groove (321), and the through groove (311) is inclined.
6. A spraying device for use in a coal mining face according to claim 5 wherein: The second circular ring (33) is slidably attached to the inside of the circular groove (321), and the length of the sliding plate (332) is less than the inside width of the circular groove (321).
7. A spraying device for use in coal mining faces according to claim 5, characterized in that: The length of the sliding rod (42) is greater than the length of the nozzle (34), and the sliding rod (42) and the cover plate (422) are connected at right angles.
8. A spraying device for use in coal mining faces according to claim 4, characterized in that: The elastic force of the torsion spring (421) is greater than the sum of the gravity of the sliding rod (42) and the cover plate (422).