CN216320886U - A environmental protection dust collecting equipment for coal yard - Google Patents
A environmental protection dust collecting equipment for coal yard Download PDFInfo
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- CN216320886U CN216320886U CN202122143523.XU CN202122143523U CN216320886U CN 216320886 U CN216320886 U CN 216320886U CN 202122143523 U CN202122143523 U CN 202122143523U CN 216320886 U CN216320886 U CN 216320886U
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- filtering mechanism
- pipeline
- fixedly connected
- filter screen
- coal yard
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- 239000000428 dust Substances 0.000 title claims abstract description 56
- 239000003245 coal Substances 0.000 title claims abstract description 41
- 230000007613 environmental effect Effects 0.000 title claims description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 116
- 238000001914 filtration Methods 0.000 claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 239000002245 particle Substances 0.000 claims description 54
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 238000005406 washing Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000036541 health Effects 0.000 abstract description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract 2
- 239000008187 granular material Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000000746 purification Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model belongs to the technical field of environment-friendly equipment, and particularly relates to environment-friendly dust removing equipment for a coal yard, which comprises a first filtering mechanism; the side wall of the first filtering mechanism is communicated with an air suction pipeline; the end part of the air suction pipeline is fixedly connected with an air collecting cover; first filtering mechanism and second filtering mechanism through setting up the intercommunication, set up the pipeline of breathing in on first filtering mechanism lateral wall, install the structural design of the fan of breathing in on it, realized in the contaminated air suction device to the external world, and carry out filterable function to it, solved because coal-fired self and at the in-process of transportation, there is a large amount of dust, at the in-process of transporting to the coal yard or transporting from the coal yard, can produce a large amount of raise dusts, and most coal yards are open-air setting, when a large amount of raise dusts can the polluted environment, also can cause the problem of influence to operating personnel's health.
Description
Technical Field
The utility model relates to the technical field of environment-friendly equipment, in particular to environment-friendly dust removing equipment for a coal yard.
Background
Environmental protection is the full name of environmental protection, and dust pollution, atmospheric pollution and the like generated by industrial development are controlled and treated.
Coal yards are usually subsidiary facilities of thermal power plants or steel plants and the like, and provide convenient environment and conditions for plants and the like which need a large amount of coal.
During the process of transferring the fire coal to a coal yard or transporting the fire coal out of the coal yard, a large amount of dust can be generated, and most of the coal yards are arranged outdoors, so that the health of operators can be influenced while the environment is polluted by the large amount of dust; therefore, the environment-friendly dust removing equipment for the coal yard is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art, a large amount of dust is generated in the process of transferring to a coal yard or transporting from the coal yard due to the fact that a large amount of dust exists in the coal and the transportation process, and most of the coal yards are arranged in the open air, so that the environment is polluted by the large amount of dust, and meanwhile, the health of operators is affected, the utility model provides the environment-friendly dust removal equipment for the coal yard.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to environment-friendly dust removing equipment for a coal yard, which comprises a first filtering mechanism; the side wall of the first filtering mechanism is communicated with an air suction pipeline; the end part of the air suction pipeline is fixedly connected with an air collecting cover; a first air suction fan is arranged on the air suction pipeline; a large-particle filter screen is arranged in the first filtering mechanism; the side surface of the first filtering mechanism is communicated with an air duct; the vent pipeline is arranged at a position close to the top of the first filtering mechanism; a second air suction fan is arranged on the ventilation pipeline; the other end of the vent pipeline is communicated with the inside of the second filtering mechanism; the end part of the air duct is arranged at a position close to the bottom of the second filtering mechanism; the second filtering mechanism is internally provided with dust washing water; the side wall of the second filtering mechanism is provided with a height-limiting vent hole; so that the air is relatively clean.
Preferably, the side wall of the second filtering mechanism is communicated with a water conveying pipeline; one end of the water conveying pipeline corresponds to the liquid level of the dust washing water; the other end of the water pipeline is communicated with a position close to the top of the second filtering mechanism; a nozzle plate is fixedly connected inside the second filtering mechanism; the shower head plate is provided with a plurality of shower heads; one end of the water conveying pipeline is arranged at the upper end of the shower head plate; the side wall of the second filtering mechanism is communicated with a water injection pipeline; so that the device is more in line with the theme of environmental protection.
Preferably, the bottom of the second filtering mechanism is provided with a plurality of activated carbon particles; a separation net is fixedly connected inside the second filtering mechanism; the separation net is arranged on the top of the activated carbon particles; the liquid level of the dust washing water is higher than that of the separation net; the possibility of showerhead clogging is reduced.
Preferably, the large-particle filter screen is connected to the inside of the first filter mechanism in a sliding manner; the top of the large-particle filter screen is fixedly connected with a lifting handle; the first filtering mechanism is provided with a groove corresponding to the large-particle filter screen at the bottom of the large-particle filter screen; the large-particle filter screen is fixedly connected with a sealing rubber gasket at the position contacted with the first filter mechanism; so that the cleaning of the device is simpler.
Preferably, the bottom of the large-particle filter screen is fixedly connected with a first magnet; a second magnet is fixedly connected to the position, corresponding to the first magnet, in the groove at the bottom of the first filtering mechanism; the first magnet and the second magnet are arranged in a magnetic attraction manner; making the device more stable.
Preferably, the top of the height-limiting vent hole is hinged with a closing plate; one side of the closing plate is fixedly connected with an elastic sheet; the end part of the elastic sheet is fixedly connected to the top of the second filtering mechanism; the influence of external polluted air on the purification work inside the second filtering mechanism is reduced.
The utility model has the advantages that:
1. according to the utility model, through the arrangement of the first filtering mechanism and the second filtering mechanism which are communicated, the side wall of the first filtering mechanism is provided with the air suction pipeline, and the structural design of the air suction fan is arranged on the air suction pipeline, so that the function of sucking outside polluted air into the device and filtering the polluted air is realized, and the problems that a large amount of dust is generated in the process of transferring the coal to a coal yard or transporting the coal from the coal yard due to the fact that a large amount of dust is generated in the process of transferring the coal to the coal yard or transporting the coal from the coal yard are solved, and the environment is polluted by a large amount of dust due to the open-air arrangement of most coal yards, and meanwhile, the health of operators is influenced by the large amount of dust are solved.
2. According to the utility model, the water conveying pipeline is additionally arranged on the side surface of the second filtering mechanism, and the water pump is arranged on the water conveying pipeline, so that the function of recycling the dust washing water in the second filtering mechanism is realized, the waste of water resources is reduced, and the concept of environmental protection is better met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a front view of a first embodiment of the present invention;
FIG. 2 is a perspective view of a second filter mechanism according to an embodiment of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is an enlarged view at B of FIG. 1;
FIG. 5 is an enlarged view at C of FIG. 1;
fig. 6 is a schematic structural view of a drain opening according to a second embodiment.
In the figure: 1. a first filter mechanism; 2. an air intake duct; 3. a wind collecting cover; 4. a first suction fan; 5. a large-particle filter screen; 6. lifting the handle; 7. an air duct; 8. a second suction fan; 9. a second filter mechanism; 10. washing dust water; 11. separating the net; 12. activated carbon particles; 13. a water injection pipeline; 14. a showerhead plate; 15. a shower head; 16. a water pump; 17. a water delivery pipeline; 18. a height-limiting vent; 19. a first magnet; 20. a second magnet; 21. sealing the rubber gasket; 22. a closing plate; 23. a spring plate; 24. a water outlet; 25. and (4) sealing the plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an environmental dust removing apparatus for a coal yard includes a first filtering mechanism 1; the side wall of the first filtering mechanism 1 is communicated with an air suction pipeline 2; the end part of the air suction pipeline 2 is fixedly connected with an air collecting cover 3; a first air suction fan 4 is arranged on the air suction pipeline 2; a large-particle filter screen 5 is arranged in the first filter mechanism 1; the side surface of the first filtering mechanism 1 is communicated with an air duct 7; the vent pipe 7 is arranged at a position close to the top of the first filter mechanism 1; a second air suction fan 8 is arranged on the ventilation pipeline 7; the other end of the vent pipeline 7 is communicated with the inside of the second filtering mechanism 9; the end of the aeration pipe 7 is arranged at a position close to the bottom of the second filtering mechanism 9; the second filtering mechanism 9 is internally provided with dust washing water 10; the side wall of the second filtering mechanism 9 is provided with a height-limiting vent hole 18; when the device works, the device is placed in a coal yard, the air suction pipeline 2 is opposite to the position generating raised dust, when the raised dust is generated, the first air suction fan 4 and the second air suction fan 8 can be started, the first air suction fan 4 sucks the outside polluted air mixed with coal ash from the air suction pipeline 2, the polluted air enters the inside of the first filtering mechanism 1, large-particle impurities in the polluted air are filtered out through the large-particle filter screen 5, the second air suction fan 8 guides the polluted air with the large-particle impurities filtered out to the inside of the second filtering mechanism 9 through the vent pipeline 7, when the polluted air enters the inside of the second filtering mechanism 9 through the vent pipeline 7, small-particle impurities in the polluted air can be dissolved and adsorbed by the dust washing water 10, the processed air can be discharged out of the inside of the second filtering mechanism 9 through the height limiting vent hole 18, so that the air is cleaner, the problem of a large amount of raise dust in the coal yard is solved.
The side wall of the second filtering mechanism 9 is communicated with a water conveying pipeline 17; one end of the water delivery pipeline 17 corresponds to the liquid level of the dust washing water 10; the other end of the water pipeline 17 is communicated with a position close to the top of the second filtering mechanism 9; a nozzle plate 14 is fixedly connected inside the second filtering mechanism 9; the shower head plate 14 is provided with a plurality of shower heads 15; one end of the water pipeline 17 is arranged at the upper end of the shower head plate 14; the side wall of the second filtering mechanism 9 is communicated with a water injection pipeline 13; when the second filtering mechanism 9 is used for treating polluted air during working, certain dust washing water 10 can be added to the upper portion of the shower head plate 14 through the water injection pipeline 13, then the polluted air is sprayed downwards through the spray head 15, and small particles in the air which emits the dust washing water 10 are subjected to secondary purification, so that the air is cleaner, in the treatment process, the water pump 16 can be started, the dust washing water 10 at the bottom is conducted to the upper end of the shower head plate 14 through the water pipeline 17, the dust washing water 10 in the second filtering mechanism 9 can achieve the purpose of recycling, and the device can better accord with the theme of environmental protection.
The bottom of the second filtering mechanism 9 is provided with a plurality of activated carbon particles 12; a separation net 11 is fixedly connected inside the second filtering mechanism 9; the separation net 11 is arranged on the top of the activated carbon particles 12; the liquid level of the dust washing water 10 is higher than that of the separation net 11; when the device works, when polluted gas enters the bottom of the second filtering mechanism 9 through the air duct 7, the activated carbon particles 12 can adsorb small particulate matters in the polluted gas, the purifying capacity of the device for the polluted air is further improved, the air is cleaner, the separation net 11 can prevent the activated carbon particles 12 from floating, the activated carbon particles are sucked by the water duct 17 and guided into the upper end of the shower head plate 14, and the possibility of blockage of the shower head 15 is reduced.
The large-particle filter screen 5 is connected in the first filter mechanism 1 in a sliding manner; the top of the large-particle filter screen 5 is fixedly connected with a lifting handle 6; the first filtering mechanism 1 is provided with a groove corresponding to the large-particle filtering net 5 at the bottom of the large-particle filtering net 5; the large particle filter screen 5 is fixedly connected with a sealing rubber gasket 21 at the contact part with the first filter mechanism 1; at the during operation, long overlength when the device is used, when needing to clear up large granule filter screen 5, the accessible is drawn and is carried handle 6, make large granule filter screen 5 break away from the inside of first filter mechanism 1, and then take out, after the clearance finishes, can insert the inside of first filter mechanism 1 again to large granule filter screen 5, make the recess of large granule filter screen 5 corresponding first filter mechanism 1 bottom, sealed cushion 21 can make large granule filter screen 5 inseparabler with the contact of first filter mechanism 1, make the contaminated air be difficult to run out from the gap between large granule filter screen 5 and the first filter mechanism 1, make the device clearance simpler.
The bottom of the large-particle filter screen 5 is fixedly connected with a first magnet 19; a second magnet 20 is fixedly connected in a position corresponding to the first magnet 19 in the groove at the bottom of the first filtering mechanism 1; the first magnet 19 and the second magnet 20 are arranged in a magnetic attraction manner; during operation, when large granule filter screen 5 installs into first filter mechanism 1 inside, first magnet 19 and second magnet 20 inter attraction can make large granule filter screen 5 change and aim at the inslot of first filter mechanism 1 bottom, and first magnet 19 and second magnet 20 inter attraction can make large granule filter screen 5 receive when blowing in first filter mechanism 1's inside, are difficult for rocking for the stability of device is stronger.
The top of the height-limiting vent hole 18 is hinged with a closing plate 22; an elastic sheet 23 is fixedly connected to one side of the closing plate 22; the end part of the elastic sheet 23 is fixedly connected with the top of the second filtering mechanism 9; when the air in the second filtering mechanism 9 flows out from the height-limiting vent hole 18, the sealing plate 22 is pushed to flow out from the gap of the sealing plate 22, and when the outside air enters the second filtering mechanism 9, the sealing plate 22 blocks the outside air from entering, so that the influence of the outside air pollution on the purification work in the second filtering mechanism 9 is reduced.
Example two
Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a drainage opening 24 is formed on a bottom side wall of the second filtering mechanism 9; a sealing plug 25 is arranged on the water outlet 24; a blocking net is arranged in the water outlet 24; when the dust washing water 10 in the second filtering mechanism 9 needs to be replaced, the sealing plug 25 can be pulled out, so that the dust washing water 10 flows out of the second filtering mechanism 9, the waste caused by the fact that the activated carbon particles 12 flow out of the second filtering mechanism 9 can be reduced by the blocking net, and after the dust washing water 10 in the second filtering mechanism 9 is dried, the dust washing water 10 can be added into the second filtering mechanism 9 through the water injection pipeline 13, and the purpose of replacement can be achieved.
The working principle is that when the device works, the device is placed in a coal yard, the opposite direction of the air suction pipeline 2 generates the position of dust emission, when the dust emission is generated, the first air suction fan 4 and the second air suction fan 8 can be started, the first air suction fan 4 sucks the outside polluted air mixed with coal ash from the air suction pipeline 2, the polluted air enters the first filtering mechanism 1, large-particle impurities in the polluted air are filtered out through the large-particle filter screen 5, the second air suction fan 8 filters the polluted air with the large-particle impurities, the polluted air is guided to the inside of the second filtering mechanism 9 through the vent pipeline 7, when the polluted air enters the inside of the second filtering mechanism 9 through the vent pipeline 7, small-particle impurities in the polluted air can be dissolved by the dust washing water 10, the processed air can be discharged out of the inside of the second filtering mechanism 9 through the height limiting vent hole 18, and the air is relatively clean, the problem that a large amount of dust is raised in a coal yard is solved, when polluted air needs to be treated by using the second filtering mechanism 9, certain dust washing water 10 can be added to the upper portion of the shower head plate 14 through the water injection pipeline 13, then the polluted air is sprayed downwards through the shower head 15, small particles in the air which emits the dust washing water 10 are secondarily purified, so that the air is cleaner, in the treatment process, the water pump 16 can be started, the dust washing water 10 at the bottom is conducted to the upper end of the shower head plate 14 through the water pipeline 17, the dust washing water 10 in the second filtering mechanism 9 can be recycled, the device is enabled to accord with the theme of environmental protection, when the polluted gas enters the position at the bottom of the second filtering mechanism 9 through the air duct 7, the activated carbon particles 12 can adsorb small particle substances in the polluted gas, and the purification capacity of the device on the polluted air is further improved, the air is cleaner, the separation net 11 can prevent the activated carbon particles 12 from floating, the activated carbon particles are sucked by the water pipeline 17 and guided into the upper end of the shower head plate 14, the possibility of blockage of the shower head 15 is reduced, when the device is used for a long time and the large-particle filter screen 5 needs to be cleaned, the large-particle filter screen 5 can be separated from the inside of the first filtering mechanism 1 and then taken out, after the cleaning is finished, the large-particle filter screen 5 can be reinserted into the inside of the first filtering mechanism 1, the large-particle filter screen 5 corresponds to the groove at the bottom of the first filtering mechanism 1, the sealing rubber gasket 21 can enable the large-particle filter screen 5 to be in contact with the first filtering mechanism 1 more tightly, the polluted air is difficult to escape from the gap between the large-particle filter screen 5 and the first filtering mechanism 1, the cleaning of the device is simpler, when the large-particle filter screen 5 is installed in the first filtering mechanism 1, first magnet 19 and second magnet 20 inter attraction, can make large granule filter screen 5 change the inslot of aiming at first filter mechanism 1 bottom, and first magnet 19 and second magnet 20 inter attraction, can make large granule filter screen 5 receive when blowing in first filter mechanism 1's inside, be difficult for rocking, make the stability of device stronger, when the inside gas of second filter mechanism 9 emerges from limit for height air vent 18, can promote closing plate 22, flow in the gap from closing plate 22, when outside air will get into second filter mechanism 9 inside, closing plate 22 can block the air admission of external world, external contaminated air has been reduced, the influence that causes the inside purification work of second filter mechanism 9.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides an environmental protection dust collecting equipment for coal yard which characterized in that: comprises a first filtering mechanism (1); the side wall of the first filtering mechanism (1) is communicated with an air suction pipeline (2); the end part of the air suction pipeline (2) is fixedly connected with an air collecting cover (3); a first air suction fan (4) is arranged on the air suction pipeline (2); a large-particle filter screen (5) is arranged in the first filtering mechanism (1); the side surface of the first filtering mechanism (1) is communicated with an air duct (7); the vent pipeline (7) is arranged at a position close to the top of the first filtering mechanism (1); a second air suction fan (8) is arranged on the ventilation pipeline (7); the other end of the vent pipeline (7) is communicated with the inside of the second filtering mechanism (9); the end part of the vent pipeline (7) is arranged at a position close to the bottom of the second filtering mechanism (9); the second filtering mechanism (9) is internally provided with dust washing water (10); the side wall of the second filtering mechanism (9) is provided with a height-limiting vent hole (18).
2. The environment-friendly dust removing device for the coal yard according to claim 1, wherein: the side wall of the second filtering mechanism (9) is communicated with a water conveying pipeline (17); one end of the water delivery pipeline (17) corresponds to the liquid level of the dust washing water (10); the other end of the water pipeline (17) is communicated with a position close to the top of the second filtering mechanism (9); a nozzle plate (14) is fixedly connected inside the second filtering mechanism (9); a plurality of spray headers (15) are arranged on the spray header plate (14); one end of the water conveying pipeline (17) is arranged at the upper end of the shower head plate (14); and the side wall of the second filtering mechanism (9) is communicated with a water injection pipeline (13).
3. The environment-friendly dust removing device for the coal yard according to claim 2, wherein: the bottom of the second filtering mechanism (9) is provided with a plurality of activated carbon particles (12); a separation net (11) is fixedly connected inside the second filtering mechanism (9); the separation net (11) is arranged on the top of the activated carbon particles (12); the liquid level of the dust washing water (10) is higher than that of the separation net (11).
4. The environment-friendly dust removing device for the coal yard according to claim 3, wherein: the large-particle filter screen (5) is connected in the first filter mechanism (1) in a sliding manner; a lifting handle (6) is fixedly connected to the top of the large-particle filter screen (5); the first filtering mechanism (1) is provided with a groove corresponding to the large-particle filter screen (5) at the bottom of the large-particle filter screen (5); and the large-particle filter screen (5) is fixedly connected with a sealing rubber gasket (21) at the position contacted with the first filter mechanism (1).
5. The environment-friendly dust removing device for the coal yard according to claim 4, wherein: the bottom of the large-particle filter screen (5) is fixedly connected with a first magnet (19); a second magnet (20) is fixedly connected in a groove at the bottom of the first filtering mechanism (1) at a position corresponding to the first magnet (19); the first magnet (19) and the second magnet (20) are arranged in a magnetic attraction manner.
6. The environment-friendly dust removing device for the coal yard according to claim 5, wherein: the top of the height-limiting vent hole (18) is hinged with a closing plate (22); one side of the closing plate (22) is fixedly connected with an elastic sheet (23); the end part of the elastic sheet (23) is fixedly connected with the top of the second filtering mechanism (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122143523.XU CN216320886U (en) | 2021-09-06 | 2021-09-06 | A environmental protection dust collecting equipment for coal yard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122143523.XU CN216320886U (en) | 2021-09-06 | 2021-09-06 | A environmental protection dust collecting equipment for coal yard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216320886U true CN216320886U (en) | 2022-04-19 |
Family
ID=81169779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122143523.XU Active CN216320886U (en) | 2021-09-06 | 2021-09-06 | A environmental protection dust collecting equipment for coal yard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216320886U (en) |
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2021
- 2021-09-06 CN CN202122143523.XU patent/CN216320886U/en active Active
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Effective date of registration: 20231016 Address after: 150000 room a102-25, 1f, 60 Shimao Avenue, building 11, innovation and entrepreneurship Plaza, science and technology innovation city, high tech Zone, Harbin, Heilongjiang Province Patentee after: HARBIN LONGWEI TECHNOLOGY Co.,Ltd. Address before: Room 608, building 34, Nangang District, economic development district, Harbin, Heilongjiang Province Patentee before: Harbin ai wang te Technology Development Co.,Ltd. |