CN220055098U - Mine grit aggregate dust suppression device - Google Patents
Mine grit aggregate dust suppression device Download PDFInfo
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- CN220055098U CN220055098U CN202321677410.0U CN202321677410U CN220055098U CN 220055098 U CN220055098 U CN 220055098U CN 202321677410 U CN202321677410 U CN 202321677410U CN 220055098 U CN220055098 U CN 220055098U
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- feeding
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- 239000000428 dust Substances 0.000 title claims abstract description 132
- 230000001629 suppression Effects 0.000 title claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 238000005507 spraying Methods 0.000 claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims description 30
- 239000004576 sand Substances 0.000 abstract description 27
- 239000004575 stone Substances 0.000 abstract description 17
- 238000007667 floating Methods 0.000 abstract description 11
- 239000002245 particle Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 239000003595 mist Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000011418 maintenance treatment Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The utility model discloses a mine sandstone aggregate dust suppression device which comprises a bracket, a feeding assembly and a spraying assembly, wherein the bracket is arranged on the bracket; the spray assembly comprises a dust suppression barrel horizontally arranged on the support, a plurality of spray pipes horizontally arranged in the dust suppression barrel, and a water collecting plate obliquely arranged at the bottom of the dust suppression barrel and arranged on the support. According to the utility model, the spraying assembly is arranged to directly wet sand and stone aggregates transported on the conveyor belt and capture and weight increase of floating dust to drop the sand and stone aggregates, and the dust suppression barrel 3 arranged on the annular side of the conveyor belt 12 limits ineffective overflow of water mist particles, so that a stable dust suppression effect is provided; utilize the slant setting the water collecting plate, it is better to gather water effect, and places when being convenient for external equipment collect the water resource, has improved this dust suppression device's commonality, has also improved the utilization ratio of water resource.
Description
Technical Field
The utility model belongs to the technical field of dust suppression of mine sandstone aggregates, and particularly relates to a dust suppression device for mine sandstone aggregates.
Background
The sand aggregate is a collective name of sand, gravel (gravel) stone, broken stone, block stone, material stone and other materials in hydraulic engineering, and the more common machine-made sand in the sand aggregate is rock particles prepared from mine rock or mine tailings through the processes of soil removal, crushing, shaping, screening, powder control and the like. The method comprises the steps of transporting the mined stone to a raw material bin by using transport equipment, then carrying out primary crushing (a jaw crusher is used for more) to obtain massive stone, transporting the massive stone to a buffer bin by using a conveyor belt, then continuously carrying out secondary crushing (conical crushing is used for more), obtaining crushed stone, putting the crushed stone into a vibrating screen for sieving, storing the crushed stone meeting the particle size requirement obtained in the sieving process or entering a shaping sand making process in the next step, and re-entering the secondary crushing process links not meeting the particle size requirement, wherein the production of the sand stone aggregate comprises the links of transporting, crushing, sieving and the like, dust is generated in each link, and especially dust pollution at the position of a discharge hole of the crusher is more serious because the stone at the position falls onto the conveyor belt from the discharge hole due to falling height difference and impact between the stones, so that the position of the conveyor belt and the discharge hole are in butt joint is more harmful to a large amount of dust and health staff.
The patent document with the publication number of CN216174882U discloses a dust collector for aggregate production line, it needs to set up closed pipeline along the aggregate transfer chain, and set up suction device and air supply arrangement at the both ends of closed pipeline, this technical scheme is very high in the implementation, because the transportation of grit aggregate is the conveyer belt material transportation turnover basically, the production line includes a plurality of different production facilities, the conveyer belt is only the means of connecting each production facility, not a complete uninterrupted conveyer belt, if adopt the closed management to be convenient for send/induced draft, lay the degree of difficulty and cost all very high, the sealing problem of junction of conveyer belt and production facility also needs to consider, moreover, closed pipeline can block workman's sight, be unfavorable for the state of inspection personnel to know the aggregate, in addition, the filter also needs in time to be changed and maintained, workman's work load has been increased, consequently, the scheme of pipeline cooperation fan dust suppression and the degree of matching of the production line of grit aggregate are not high. Patent document with publication number of CN216889186U discloses a sand aggregate humidification dust suppression device, and this technical scheme sprays water smoke through the hole for water spray side direction of shower for when passing the clearance of passing between the shower from the grit that the discharge gate was poured out, by evenly wetting, effectively avoid the floating dust to fly upward, this technical scheme's dust suppression effect and to the utilization efficiency of water resource wait to promote.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the mine sand aggregate dust suppression device, which can directly moisten sand aggregates transported on a conveyor belt and realize the capture weight increment of floating dust to drop the sand aggregates, and the dust suppression barrel arranged on the ring side of the conveyor belt limits the ineffective overflow of water mist particles and provides a stable dust suppression effect; one end of the dust suppression barrel is not closed, so that the sight of workers is not blocked, and the condition of aggregate can be conveniently known by patrolling personnel; the cleaning plate is used for realizing periodic maintenance treatment of the dust suppression barrel, and the cleaning plate is only required to be pulled out of the dust suppression barrel and washed during cleaning, so that the replacement and maintenance procedures are simplified, and the workload of workers is reduced; utilize the slant setting the water collecting plate, it is better to gather water effect, and places when being convenient for external equipment collect the water resource, has improved this dust suppression device's commonality, has also improved the utilization ratio of water resource.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a mine grit aggregate dust suppression device which characterized in that: the device comprises a bracket arranged on the periphery of a conveying belt, a feeding component arranged at one end of the bracket and matched with the conveying belt, and a spraying component arranged on the bracket and connected with the feeding component;
the feeding assembly comprises a feeding box vertically arranged at the end part of the support and connected with the spraying assembly, a feeding hopper is arranged at the top of the feeding box, the feeding box is communicated with the feeding hopper, and a guide plate is obliquely arranged in the feeding box;
the spraying assembly comprises a dust suppression barrel horizontally arranged on the bracket, a plurality of spraying pipes horizontally arranged in the dust suppression barrel, and a water collecting plate obliquely arranged at the bottom of the dust suppression barrel and arranged on the bracket;
the bottom of the dust suppression barrel is horizontally provided with a cleaning plate, and the cleaning plate is arranged along the length direction of the dust suppression barrel; the cleaning plate is provided with a plurality of first water discharge holes, and the first water discharge holes are distributed on the cleaning plate in a staggered manner;
the spray pipes are distributed along the circumferential direction of the dust suppression barrel, and the spray pipes are distributed along the length direction of the dust suppression barrel; the spraying pipe is provided with spraying holes, and the spraying holes are arranged on one side of the spraying pipe, which is close to the center of the dust suppression barrel.
Foretell a mine grit aggregate dust suppression device, its characterized in that: the feeding box comprises a lower box body arranged on the support and an upper box body arranged above the lower box body, wherein the lower box body and the upper box body are integrally formed, the lower box body is communicated with the upper box body, the lower box body and the upper box body are of prismatic table structures, and the volume of the lower box body is larger than that of the upper box body; the guide plate is obliquely arranged in the upper box body, and the bottom of the guide plate extends into the lower box body.
Foretell a mine grit aggregate dust suppression device, its characterized in that: the end part of the dust suppression barrel is communicated with the discharge port of the feeding box, and a plurality of connecting rings are sleeved on the outer side of the dust suppression barrel.
Foretell a mine grit aggregate dust suppression device, its characterized in that: the bottom of the dust suppression barrel is provided with an accommodating groove, and the accommodating groove is distributed along the length direction of the dust suppression barrel; the bottom of the accommodating groove is provided with a second water discharge hole matched with the first water discharge hole, and the diameter of the second water discharge hole is larger than that of the first water discharge hole.
Foretell a mine grit aggregate dust suppression device, its characterized in that: the water collecting plate gradually inclines downwards along the direction away from the feeding box, the water collecting plate is an arc-shaped plate, the length of the water collecting plate is greater than that of the dust suppression barrel, and the end part of the water collecting plate extends to the outer side of the bracket.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the spraying assembly is arranged to directly wet sand and stone aggregates transported on the conveyor belt and capture and weight increase of floating dust to enable the floating dust to fall, and the dust suppression barrel 3 arranged on the side of the ring of the conveyor belt limits ineffective overflow of water mist particles and provides a stable dust suppression effect; and one end of the dust suppression barrel is not closed, so that the sight of workers is not blocked, and the state of aggregate can be conveniently known by patrol staff.
2. The cleaning plate is used for realizing periodic maintenance treatment of the dust suppression barrel, and the cleaning plate is only required to be pulled out of the dust suppression barrel and washed during cleaning, so that the replacement and maintenance procedures are simplified, and the workload of workers is reduced.
3. The water collecting plate is obliquely arranged, so that the water collecting effect is better, the water collecting plate is convenient for the external equipment to collect water resources, the universality of the dust suppression device is improved, and the utilization rate of the water resources is also improved.
In summary, the spraying assembly is arranged to directly wet sand and aggregate transported on the conveyor belt and capture and weight increase of floating dust to drop the sand and aggregate, and the dust suppression barrel arranged on the annular side of the conveyor belt limits ineffective overflow of water mist particles and provides a stable dust suppression effect; one end of the dust suppression barrel is not closed, so that the sight of workers is not blocked, and the condition of aggregate can be conveniently known by patrolling personnel; the cleaning plate is used for realizing periodic maintenance treatment of the dust suppression barrel, and the cleaning plate is only required to be pulled out of the dust suppression barrel and washed during cleaning, so that the replacement and maintenance procedures are simplified, and the workload of workers is reduced; utilize the slant setting the water collecting plate, it is better to gather water effect, and places when being convenient for external equipment collect the water resource, has improved this dust suppression device's commonality, has also improved the utilization ratio of water resource.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic illustration of the connection between the feed assembly and the dust suppression cartridge of the present utility model.
FIG. 4 is a schematic view of the dust suppressing cartridge of the present utility model.
Reference numerals illustrate:
Detailed Description
As shown in fig. 1 to 4, the utility model comprises a bracket 1 arranged at the periphery of a conveying belt 12, a feeding component arranged at one end of the bracket 1 and matched with the conveying belt 12, and a spraying component arranged on the bracket 1 and connected with the feeding component;
the feeding assembly comprises a feeding box 2 vertically arranged at the end part of the bracket 1 and connected with the spraying assembly, a feeding hopper 8 is arranged at the top of the feeding box 2, the feeding box 2 is communicated with the feeding hopper 8, and a guide plate 9 is obliquely arranged in the feeding box 2;
the spraying assembly comprises a dust suppression barrel 3 horizontally arranged on the bracket 1, a plurality of spraying pipes 4 horizontally arranged in the dust suppression barrel 3, and a water collecting plate 6 obliquely arranged at the bottom of the dust suppression barrel 3 and arranged on the bracket 1;
the bottom of the dust suppression barrel 3 is horizontally provided with a cleaning plate 10, and the cleaning plate 10 is arranged along the length direction of the dust suppression barrel 3; the cleaning plate 10 is provided with a plurality of first water discharge holes 11, and the first water discharge holes 11 are distributed on the cleaning plate 10 in a staggered manner;
a plurality of spray pipes 4 are arranged along the circumferential direction of the dust suppression barrel 3, and the spray pipes 4 are arranged along the length direction of the dust suppression barrel 3; the spray pipe 4 is provided with spray holes 5, and the spray holes 5 are arranged on one side of the spray pipe 4, which is close to the center of the dust suppression barrel 3.
In actual use, the spraying assembly is arranged to directly wet sand and aggregate transported on the conveyer belt 12 and capture and weight increase of floating dust to drop the sand and aggregate, and the dust suppression barrel 3 arranged on the annular side of the conveyer belt 12 limits ineffective overflow of water mist particles and provides stable dust suppression effect; and one end of the dust suppression barrel 3 is not closed, so that the sight of workers is not blocked, and the state of aggregate can be conveniently known by patrolling personnel.
The cleaning plate 10 is used for realizing periodic maintenance treatment for the dust suppression barrel 3, and the cleaning plate 10 is only required to be pulled out from the dust suppression barrel 3 and washed during cleaning, so that the replacement and maintenance procedures are simplified, and the workload of workers is reduced.
In addition, the water collecting plate 6 which is obliquely arranged is utilized, so that the water collecting effect is better, the water collecting plate is convenient for the external equipment to collect water resources, the universality of the dust suppression device is improved, and the utilization rate of the water resources is also improved.
The bracket 1 has a bracket structure formed by welding a steel pipe and a steel plate. The guide plate 9 has the function of enabling sand aggregates to fall on the conveying belt 12 more stably, when in actual use, the dust suppression device is erected between the discharge hole of the crusher and the conveying belt 12, the feed hole of the feed box 2 is in butt joint with the discharge hole of the crusher, one end of the conveying belt 12 stretches into the dust suppression barrel 3 and is positioned above the bottom plate of the feed box 2, both the support 1 and the bottom plate of the feed box 2 can provide the support function for the end part of the conveying belt 12, during the sand aggregates production process, the sand aggregates falling from the discharge hole of the crusher fall into the feed box 2 after passing through the feed hole and then fall onto the conveying belt 12, and the sand aggregates pass through the dust suppression barrel 3 along with the conveying belt 12, the spray holes 5 on the spray pipes 4 enable the dust suppression barrel 3 to be in a strong atomization state, so that the sand aggregate is wetted, the capture weight of floating dust is increased, and the dust suppression barrel 3 arranged on the annular side of the conveying belt 12 limits ineffective overflow of water mist particles in the process, namely, the water mist particles which are not adsorbed on the sand aggregate and are not gathered and fallen with the floating dust can be attached to the inside of the dust suppression barrel 3 during the escape, and along with the progress of dust suppression operation, the water mist particles are condensed into liquid drops, flow through the water leakage holes, enter the water collecting plate 6, flow out from the water outlet end of the water collecting plate 6, and water resources in external equipment can be collected by external equipment and can be reused after treatment. The dust suppression device can provide stable dust suppression effect and improve the utilization rate of water resources.
In particular, the design of the feed hopper 8 increases the capturing area of the sand and gravel aggregate, can increase the compatibility degree of the dust suppression device on discharge ports of crushers with different calibers, and reduces the scattering of the sand and gravel aggregate.
As shown in fig. 1 and 3, in this embodiment, the feeding box 2 includes a lower box body disposed on the support 1 and an upper box body disposed above the lower box body, the lower box body and the upper box body are integrally formed, and the lower box body and the upper box body are communicated, the lower box body and the upper box body are both in a prismatic table structure, and the volume of the lower box body is larger than that of the upper box body; the guide plate 9 is obliquely arranged in the upper box body, and the bottom of the guide plate 9 extends into the lower box body.
As shown in fig. 3, the guide plate 9 may be disposed on a side of the upper housing away from the dust suppressing tube 3, or may be disposed between the dust suppressing tube 3 and a side of the upper housing away from the dust suppressing tube 3. The lower box body and the upper box body can reduce the overflow of floating dust of the sand and stone aggregate after entering the feeding box 2, and improve the dust suppression effect.
In this embodiment, as shown in fig. 1 and fig. 2, the end of the dust suppression barrel 3 is communicated with the discharge port of the feeding box 2, and a plurality of connection rings 7 are sleeved on the outer side of the dust suppression barrel 3.
In actual use, the design of go-between 7 has increased on the one hand the structural strength of dust suppression section of thick bamboo 3, on the other hand has increased the fixed effect of dust suppression section of thick bamboo 3 on support 1, and the both sides of go-between 7 are the plane, and compared with the condition that presses down the direct welding with support 1 of dust suppression section of thick bamboo 3, the fixed effect between both sides of go-between 7 and the support 1 is better weld area bigger.
As shown in fig. 1 and fig. 4, in this embodiment, a receiving groove is formed at the bottom of the dust suppression barrel 3, and the receiving groove is arranged along the length direction of the dust suppression barrel 3; the bottom of the accommodating groove is provided with a second water discharge hole matched with the first water discharge hole 11, and the diameter of the second water discharge hole is larger than that of the first water discharge hole 11.
In actual use, the accommodating groove and the cleaning plate 10 are arranged to facilitate periodical maintenance treatment of the dust suppression barrel 3, because the dust suppression barrel 3 is provided with more floating dust, the water leakage hole of the dust suppression barrel 3 is easy to block and can not have a preliminary filtering effect after long-term use, so that the water body of the water collection plate 6 has higher sand content, the disassembly and assembly workload of the dust suppression barrel 3 is larger, the disassembly and assembly workload of the cleaning plate 10 is relatively much smaller, the caliber of the first water leakage hole 11 is smaller than that of the second water leakage hole, and if a blocking phenomenon occurs, the blocking part is basically the first water leakage hole 11 on the cleaning plate 10, and a worker only needs to disassemble the cleaning plate 10 from the dust suppression barrel 3. Specifically, the one end of holding tank runs through the side of dust suppression section of thick bamboo 3, clearance board 10 can insert the holding tank from the side of holding tank, clearance board 10 and holding tank sliding fit promptly, get and put more conveniently, when maintaining, take clearance board 10 out and wash the back, carry out the simple washing to the holding tank again, later with clearance board 10 insert the holding tank can. It should be noted that, the fixing manner between the cleaning plate 10 and the accommodating groove depends on the friction force, and aims at the situation that the dust suppression barrel 3 is horizontally arranged, in addition, the arrangement manner of the water leakage holes (not shown in the figure) is the same as that of the first water leakage holes 11 on the cleaning plate 10 in fig. 1, the spray pipe 4 is connected with the pressurized water supply equipment of the construction site, and the spray pipe 4 in the dust suppression barrel 3 is fixed through the arc-shaped hoop sheet and the dust suppression barrel 3. Meanwhile, the proportion of each component shown in the drawings has been exaggerated in the drawings for the sake of clarity and may, of course, be adjusted according to needs and demands.
In this embodiment, the water collection plate 6 gradually slopes downward in a direction away from the feeding box 2, the water collection plate 6 is an arc plate, the length of the water collection plate 6 is greater than the length of the dust suppression barrel 3, and the end portion of the water collection plate 6 extends to the outer side of the support 1.
In actual use, the water collecting plate 6 is an arc-shaped plate, and the water collecting effect is better. The water outlet end of the water collecting plate 6 which is obliquely arranged extends out of one side of the bracket 1, so that the water collecting plate is convenient for external equipment to collect water resources, and the universality of the dust suppression device is improved.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (5)
1. The utility model provides a mine grit aggregate dust suppression device which characterized in that: the device comprises a bracket (1) arranged on the periphery of a conveying belt (12), a feeding assembly arranged at one end of the bracket (1) and matched with the conveying belt (12), and a spraying assembly arranged on the bracket (1) and connected with the feeding assembly;
the feeding assembly comprises a feeding box (2) vertically arranged at the end part of the support (1) and connected with the spraying assembly, a feeding hopper (8) is arranged at the top of the feeding box (2), the feeding box (2) is communicated with the feeding hopper (8), and a guide plate (9) is obliquely arranged in the feeding box (2);
the spraying assembly comprises a dust suppression barrel (3) horizontally arranged on the support (1), a plurality of spraying pipes (4) horizontally arranged in the dust suppression barrel (3), and a water collecting plate (6) obliquely arranged at the bottom of the dust suppression barrel (3) and arranged on the support (1);
the bottom of the dust suppression barrel (3) is horizontally provided with a cleaning plate (10), and the cleaning plate (10) is distributed along the length direction of the dust suppression barrel (3); a plurality of first water discharge holes (11) are formed in the cleaning plate (10), and the first water discharge holes (11) are distributed on the cleaning plate (10) in a staggered mode;
the plurality of spray pipes (4) are arranged along the circumferential direction of the dust suppression barrel (3), and the spray pipes (4) are arranged along the length direction of the dust suppression barrel (3); the spraying pipe (4) is provided with a spraying hole (5), and the spraying hole (5) is arranged on one side of the spraying pipe (4) close to the center of the dust suppression barrel (3).
2. The mine sandstone aggregate dust suppression device of claim 1, wherein: the feeding box (2) comprises a lower box body arranged on the support (1) and an upper box body arranged above the lower box body, wherein the lower box body and the upper box body are integrally formed, the lower box body is communicated with the upper box body, the lower box body and the upper box body are of a prismatic table structure, and the volume of the lower box body is larger than that of the upper box body; the guide plate (9) is obliquely arranged in the upper box body, and the bottom of the guide plate (9) extends into the lower box body.
3. The mine sandstone aggregate dust suppression device of claim 1, wherein: the end part of the dust suppression barrel (3) is communicated with the discharge port of the feeding box (2), and a plurality of connecting rings (7) are sleeved on the outer side of the dust suppression barrel (3).
4. The mine sandstone aggregate dust suppression device of claim 1, wherein: the bottom of the dust suppression barrel (3) is provided with an accommodating groove, and the accommodating groove is distributed along the length direction of the dust suppression barrel (3); the bottom of the accommodating groove is provided with a second water discharge hole matched with the first water discharge hole (11), and the diameter of the second water discharge hole is larger than that of the first water discharge hole (11).
5. The mine sandstone aggregate dust suppression device of claim 1, wherein: the water collecting plate (6) gradually inclines downwards along the direction away from the feeding box (2), the water collecting plate (6) is an arc-shaped plate, the length of the water collecting plate (6) is greater than that of the dust suppression barrel (3), and the end part of the water collecting plate (6) extends to the outer side of the support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321677410.0U CN220055098U (en) | 2023-06-29 | 2023-06-29 | Mine grit aggregate dust suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321677410.0U CN220055098U (en) | 2023-06-29 | 2023-06-29 | Mine grit aggregate dust suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220055098U true CN220055098U (en) | 2023-11-21 |
Family
ID=88783817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321677410.0U Active CN220055098U (en) | 2023-06-29 | 2023-06-29 | Mine grit aggregate dust suppression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220055098U (en) |
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2023
- 2023-06-29 CN CN202321677410.0U patent/CN220055098U/en active Active
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