CN215808985U - Building construction working face sprays dust fall heat sink - Google Patents
Building construction working face sprays dust fall heat sink Download PDFInfo
- Publication number
- CN215808985U CN215808985U CN202121920875.5U CN202121920875U CN215808985U CN 215808985 U CN215808985 U CN 215808985U CN 202121920875 U CN202121920875 U CN 202121920875U CN 215808985 U CN215808985 U CN 215808985U
- Authority
- CN
- China
- Prior art keywords
- wall
- air duct
- box
- fixed mounting
- working face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007921 spray Substances 0.000 title claims abstract description 11
- 239000000428 dust Substances 0.000 title claims description 11
- 238000009435 building construction Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000005507 spraying Methods 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The utility model discloses a spraying dust-settling cooling device for a construction working face, which comprises a box body, wherein a motor is fixedly arranged at the bottom end of the inner wall of the box body, a rotary disc is arranged at the top part of the box body, supporting rods are respectively and fixedly arranged at two sides of the top end of the rotary disc, the top ends of the side walls of the two supporting rods are respectively and movably connected with the outer wall of a first air duct through threaded rods, a water blocking plug is driven to slide towards one end of an atomizing spray head by the contraction of an electric telescopic rod, a water source in a water storage tank can not enter the three atomizing spray heads below through the arrangement of a sealing plug, the atomized water quantity can be reduced, the water source can be saved and can be adjusted according to actual needs, the use of workers is facilitated, through the arrangement of a second air cover, a fan can generate negative pressure at the tail end of the second air cover during rotation, and air in the box body is pumped into the first air duct, the motor is prevented from being overhigh in temperature due to long-term use, and the service life of the motor is prolonged.
Description
Technical Field
The utility model relates to a spraying device, in particular to a spraying dust-reducing and cooling device for a building construction working face.
Background
The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite. In a construction site, due to earth excavation and drifting of cement in an alkali mixing plant and an exposed ground surface, dust is raised greatly, so that the health of workers is harmed, and the local air quality of a city is influenced, and therefore water spraying and dust reduction are needed in the construction site.
The existing spraying device has some defects:
1. traditional spray set is because fixed setting, when using, spun water smoke can't be adjusted according to actual need, the effect of cooling dust removal can't be played of maximum efficiency when the water waste resource.
2. Traditional spray set is because fixed setting simultaneously, when needs change the spraying direction, often need the staff manual swing fixed, very extravagant manpower and inconvenient use, based on this, provides a building construction working face spray dust fall heat sink.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a spraying dust-reducing and temperature-reducing device for a building construction working face, which aims to solve the problems that the sprayed water mist in the background technology cannot be adjusted according to actual needs and workers often need to manually swing and fix when the spraying direction needs to be changed.
In order to achieve the purpose, the utility model provides the following technical scheme: a spraying dust-settling and cooling device for a building construction working face comprises a box body, wherein a motor is fixedly mounted at the bottom end of the inner wall of the box body, a turntable is arranged at the top of the box body, support rods are fixedly mounted on two sides of the top end of the turntable respectively, the top ends of one side walls of the two support rods are movably connected with the outer wall of a first air duct through threaded rods respectively, one end of the first air duct is fixedly mounted with one end of a second air duct, a first filter screen is arranged at the other end of the first air duct, a water pipe is fixedly mounted on the outer wall of the first air duct, the other end of the water pipe is connected with the inside of the box body in an inserting manner and extends to the outside, a fan is fixedly mounted at the other end of the first air duct, a first air cover is fixedly mounted at one end of the fan, a collecting box is arranged at the bottom of the first air cover, a water storage tank is arranged on the inner wall of the first air duct, and six atomizing nozzles are arranged inside the first air duct, one side of atomizer is equipped with electric telescopic handle, one side of electric telescopic handle is equipped with the retaining plug.
As a preferred technical scheme of the utility model, six atomizing nozzles are fixedly mounted on the inner wall of the first air duct, one side of the inner wall of the first air duct is fixedly connected with one side of an electric telescopic rod, the other end of the electric telescopic rod is fixedly mounted with a baffle, three water blocking plugs are fixedly mounted on one side of the baffle, the lengths of the three water blocking plugs are all greater than the length of one end of each atomizing nozzle, and sealing plugs are respectively fixedly mounted on the outer walls of the three water blocking plugs.
As a preferred technical scheme of the present invention, the output end of the motor is fixedly connected to the bottom end of the rotary table, the bottom end of the rotary table is higher than the top end of the box body, the top end of the box body is provided with an annular groove, and the inner wall of the annular groove is slidably connected to the bottom end of the first support plate.
As a preferred technical solution of the present invention, a first filter screen is fixedly installed inside one end of the first fan housing, one end of the first fan housing is fixedly connected to one end of the air duct, the other end of the air duct is fixedly connected to one end of the second fan housing, and the other end of the second fan housing extends into the box body.
As a preferred technical scheme of the present invention, a hose is fixedly mounted at one end of the inner wall of the first fan housing, a collection box is fixedly mounted at one end of the box body, one end of the hose is fixedly connected with the top end of the collection box, a plurality of ventilation slots are respectively formed at two sides of the box body, and a second filter screen is fixedly mounted inside the box body.
As a preferred technical scheme of the present invention, two springs are fixedly mounted on two sides of the bottom end of the inner wall of the first support plate, the top ends of the two springs are both fixedly connected with the bottom end of the second support plate, the outer wall of the second support plate is slidably connected with the inner wall of the first support plate, the top end of the second support plate is fixedly mounted with a fixing ring, and the inner wall of the fixing ring is fixedly connected with the outer wall of one end of the first air duct.
As a preferred technical scheme of the utility model, a switch is fixedly arranged on one side of the box body, and the motor, the fan and the electric telescopic rod are electrically connected with an external power supply through the switch.
Compared with the prior art, the utility model has the beneficial effects that:
1. the spraying dust-reducing and cooling device for the building construction working face is provided with the electric telescopic rod, the electric telescopic rod is contracted to drive the water blocking plug to slide towards one end of the atomizing spray head, the sealing plug is arranged at one end of the water blocking plug, so that water in the water storage tank can not enter the lower three atomizing spray heads, atomized water quantity can be reduced, water resources can be saved, adjustment can be performed according to actual needs, the use of workers is facilitated, through the arrangement of the second fan cover, negative pressure can be generated at the tail end of the second fan cover when the fan rotates, air in the box body is pumped into the first air duct, the situation that the temperature is too high due to long-term use of a motor is prevented, and the service life of the motor is prolonged;
2. according to the spraying dust-reducing and cooling device for the building construction working face, the motor is arranged, the rotating disc is driven to rotate through the rotation of the motor, the first air duct at the top end of the supporting rod can be driven to rotate, workers can change the direction of water spraying conveniently, the second air duct can be swung up and down while the second supporting plate supports the second air duct through the elastic action of the spring, and the stability of the structure is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional front view of the overall structure of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1. a box body; 2. a motor; 3. a turntable; 4. a support bar; 5. a first air duct; 6. a second air duct; 7. a first filter screen; 8. a water pipe; 9. a fan; 10. an atomizing spray head; 11. a water storage tank; 12. an electric telescopic rod; 13. a baffle plate; 14. a water blocking plug; 15. an annular groove; 16. a first support plate; 17. a spring; 18. a second support plate; 19. a stationary ring; 20. a first fan housing; 21. an air duct; 22. a second fan housing; 23. a hose; 24. a collection box; 25. a ventilation slot; 26. a second filter screen; 27. and (4) switching.
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.
The first embodiment is as follows:
referring to fig. 1-3, the utility model provides a technical scheme of a spraying dust-settling cooling device for a construction working face: comprises a box body 1, a motor 2 is fixedly arranged at the bottom end of the inner wall of the box body 1, a rotary disc 3 is arranged at the top of the box body 1, support rods 4 are respectively fixedly arranged at two sides of the top end of the rotary disc 3, the top ends of the side walls of the two support rods 4 are respectively movably connected with the outer wall of a first air duct 5 through threaded rods, one end of the first air duct 5 is fixedly arranged with one end of a second air duct 6, the other end of the first air duct 5 is provided with a first filter screen 7, the outer wall of the first air duct 5 is fixedly provided with a water pipe 8, the other end of the water pipe 8 is connected with the inner part of the box body 1 in an inserting way and extends to the outside, a fan 9 is fixedly arranged at the other end of the first air duct 5, a first fan cover 20 is fixedly arranged at one end of the fan 9, a collection box 24 is arranged at the bottom of the first fan cover 20, a water storage tank 11 is arranged on the inner wall of the first air duct 5, six atomization nozzles 10 are arranged in the first air duct 5, an electric telescopic rod 12 is arranged at one side of the atomization nozzles 10, one side of the electric telescopic rod 12 is provided with a water blocking plug 14, six atomizing nozzles 10 are fixedly installed on the inner wall of the first air duct 5, one side of the inner wall of the first air duct 5 is fixedly connected with one side of the electric telescopic rod 12, the other end of the electric telescopic rod 12 is fixedly installed with a baffle 13, one side of the baffle 13 is fixedly installed with three water blocking plugs 14, the lengths of the three water blocking plugs 14 are all larger than the length of one end of each atomizing nozzle 10, the outer walls of the three water blocking plugs 14 are respectively and fixedly installed with sealing plugs, a first filter screen 7 is fixedly installed inside one end of the first fan housing 20, one end of the first fan housing 20 is fixedly connected with one end of the air pipe 21, the other end of the air pipe 21 is fixedly connected with one end of the second fan housing 22, the other end of the second fan housing 22 extends into the box body 1, one end of the inner wall of the first fan housing 20 is fixedly installed with a hose 23, one end of the box body 1 is fixedly installed with a collecting box 24, one end of the hose 23 is fixedly connected with the top end of the collecting box 24, a plurality of ventilation grooves 25 are respectively formed in two sides of the box body 1, and a second filter screen 26 is fixedly arranged in the box body 1, so that air containing dust entering the box body 1 cannot enter the motor 2, and the service life of the motor 2 is prolonged.
When the spraying dust-reducing and temperature-reducing device is used, one end of a water pipe 8 is connected with an external water source, a first fan cover 20 is opened and switched, a fan 9 is started, the fan 9 rotates, when the water source enters the water storage tank 11, water is atomized through six atomizing nozzles 10, the atomized water is blown out from the tail end of a second air duct 6 through the rotation of the fan 9, the blown atomized water has the functions of reducing the temperature and removing the dust to the environment, when workers do not need too large amount of water mist, an electric telescopic rod 12 is started through the first fan cover 20, a baffle 13 pushes a water blocking plug 14 to slide towards one end of the atomizing nozzles 10 through the expansion of the electric telescopic rod 12, a sealing plug fixedly installed at one end of the water blocking plug 14 prevents the water source inside the water storage tank 11 from entering the three atomizing nozzles 10 below, can reduce atomizing water, through collecting box 24 and second fan housing 22, with the inside air suction of box 1 inside to the inside of first dryer 5, the inside high temperature of box 1 of having avoided using for a long time, first filter screen 7 filters the dust that gets into first fan housing 20, the dust that filters passes through hose 23 and gets into the inside of collecting box 24, make things convenient for staff's collection, can adjust according to actual need when saving the water resource, staff's use has been made things convenient for.
Example two:
on the basis of the first embodiment, as shown in fig. 1 and fig. 2, the output end of the motor 2 is fixedly connected with the bottom end of the rotary disc 3, the bottom end of the rotary disc 3 is higher than the top end of the box body 1, the top end of the box body 1 is provided with the annular groove 15, the inner wall of the annular groove 15 is slidably connected with the bottom end of the first support plate 16, two springs 17 are fixedly installed at two sides of the bottom end of the inner wall of the first support plate 16, the top ends of the two springs 17 are fixedly connected with the bottom end of the second support plate 18, the outer wall of the second support plate 18 is slidably connected with the inner wall of the first support plate 16, the top end of the second support plate 18 is fixedly installed with the fixing ring 19, the inner wall of the fixing ring 19 is fixedly connected with the outer wall of one end of the first air duct 5, one side of the box body 1 is fixedly installed with the switch 27, and the motor 2, fan 9 and electric telescopic handle 12 all pass through switch 27 and external power supply electric connection, make things convenient for the staff to change the direction of spraying the water smoke.
When the spraying dust-reducing cooling device is used specifically, when workers need to change the direction of sprayed water mist, the motor 2 is turned on by the aid of the first fan cover 20, the rotary disc 3 is driven to rotate by the power of the motor 2, the second air duct 6 can be driven to change the direction, the second air duct 6 can be supported by the second supporting plate 18 under the elastic action of the spring 17, when the second air duct 6 needs to swing up and down, the second air duct 6 is pressed downwards, the spring 17 can be compressed, the second supporting plate 18 slides towards the bottom end of the first supporting plate 16, the spraying height can be changed, a spraying area is enlarged, and the spraying cooling device is convenient for the workers to use.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a building construction working face sprays dust fall heat sink, includes box (1), its characterized in that: the bottom of the inner wall of the box body (1) is fixedly provided with a motor (2), the top of the box body (1) is provided with a turntable (3), two sides of the top end of the turntable (3) are respectively and fixedly provided with supporting rods (4), the top ends of one side walls of the two supporting rods (4) are respectively movably connected with the outer wall of a first air duct (5) through threaded rods, one end of the first air duct (5) is fixedly installed with one end of a second air duct (6), the other end of the first air duct (5) is provided with a first filter screen (7), the outer wall of the first air duct (5) is fixedly provided with a water pipe (8), the other end of the water pipe (8) is alternately connected with the inside of the box body (1) and extends to the outside, the other end of the first air duct (5) is fixedly provided with a fan (9), one end of the fan (9) is fixedly provided with a first fan cover (20), the bottom of first fan housing (20) is equipped with collecting box (24), aqua storage tank (11) have been seted up to first dryer (5) inner wall, the inside of first dryer (5) is equipped with six atomizer (10), one side of atomizer (10) is equipped with electric telescopic handle (12), one side of electric telescopic handle (12) is equipped with water blocking stopper (14).
2. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 1, which is characterized in that: the inner wall fixed mounting of first dryer (5) has six atomizer (10), one side of first dryer (5) inner wall and one side fixed connection of electric telescopic handle (12), the other end fixed mounting of electric telescopic handle (12) has baffle (13), one side fixed mounting of baffle (13) has three fender water stopper (14), and is three the length of fender water stopper (14) all is greater than the length of atomizer (10) one end, and is three the outer wall of fender water stopper (14) is fixed mounting respectively has the sealing plug.
3. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 1, which is characterized in that: the output of motor (2) and the bottom fixed connection of carousel (3), the bottom of carousel (3) is higher than the top of box (1), ring channel (15) have been seted up on the top of box (1), the inner wall of ring channel (15) and the bottom sliding connection of first backup pad (16).
4. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 1, which is characterized in that: the inside fixed mounting of first fan housing (20) one end has first filter screen (7), the one end of first fan housing (20) and the one end fixed connection of tuber pipe (21), the other end of tuber pipe (21) and the one end fixed connection of second fan housing (22), the other end of second fan housing (22) extends to the inside of box (1).
5. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 1, which is characterized in that: the one end fixed mounting of first fan housing (20) inner wall has hose (23), the one end fixed mounting of box (1) has collecting box (24), the one end of hose (23) and the top fixed connection of collecting box (24), a plurality of ventilation groove (25) have been seted up respectively to the both sides of box (1), the inside fixed mounting of box (1) has second filter screen (26).
6. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 3, which is characterized in that: the utility model discloses a dryer, including first backup pad (16), the both sides fixed mounting of first backup pad (16) inner wall bottom has two springs (17), the top of two springs (17) all with the bottom fixed connection of second backup pad (18), the outer wall of second backup pad (18) and the inner wall sliding connection of first backup pad (16), the top fixed mounting of second backup pad (18) has retainer plate (19), the inner wall of retainer plate (19) and the outer wall fixed connection of first dryer (5) one end.
7. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 1, which is characterized in that: one side fixed mounting of box (1) has switch (27), motor (2), fan (9) and electric telescopic handle (12) all pass through switch (27) and external power supply electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121920875.5U CN215808985U (en) | 2021-08-17 | 2021-08-17 | Building construction working face sprays dust fall heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121920875.5U CN215808985U (en) | 2021-08-17 | 2021-08-17 | Building construction working face sprays dust fall heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215808985U true CN215808985U (en) | 2022-02-11 |
Family
ID=80132178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121920875.5U Expired - Fee Related CN215808985U (en) | 2021-08-17 | 2021-08-17 | Building construction working face sprays dust fall heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215808985U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114904347A (en) * | 2022-05-24 | 2022-08-16 | 安徽风顺建设工程有限公司 | Dust fall equipment is used in building engineering construction |
| CN115487623A (en) * | 2022-10-28 | 2022-12-20 | 西安新玥生态科技有限公司 | Be used for centrifuge air inlet filter equipment |
| CN117815797A (en) * | 2024-02-20 | 2024-04-05 | 安徽建工长丰建设工程有限公司 | Portable dust purification device and purification method for building construction |
-
2021
- 2021-08-17 CN CN202121920875.5U patent/CN215808985U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114904347A (en) * | 2022-05-24 | 2022-08-16 | 安徽风顺建设工程有限公司 | Dust fall equipment is used in building engineering construction |
| CN115487623A (en) * | 2022-10-28 | 2022-12-20 | 西安新玥生态科技有限公司 | Be used for centrifuge air inlet filter equipment |
| CN115487623B (en) * | 2022-10-28 | 2023-03-10 | 西安新玥生态科技有限公司 | Air inlet filtering device for centrifugal machine |
| CN117815797A (en) * | 2024-02-20 | 2024-04-05 | 安徽建工长丰建设工程有限公司 | Portable dust purification device and purification method for building construction |
| CN117815797B (en) * | 2024-02-20 | 2024-08-02 | 安徽建工长丰建设工程有限公司 | Portable dust purification device and purification method for building construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215808985U (en) | Building construction working face sprays dust fall heat sink | |
| CN215696624U (en) | Environment-friendly dust removal device with purification function and used for building construction | |
| CN108149742A (en) | A kind of plant gardens rain collector | |
| CN214021382U (en) | Stirring station dust collector based on 5G internet of things control | |
| CN215027234U (en) | Air purification equipment for amphibious air in building field | |
| CN211146802U (en) | Environment-friendly ventilation unit is used in subway construction | |
| CN212467520U (en) | Remote control timing type fog gun dust suppression machine | |
| CN211656306U (en) | Wireless base station power supply device | |
| CN212077766U (en) | High-efficient cleaning and dust removing device in building field | |
| CN218590072U (en) | Green construction is with on-spot dust device | |
| CN212006115U (en) | Fresh air system | |
| CN213527969U (en) | Dust removal spray set for building engineering | |
| CN216342940U (en) | Air blower for construction | |
| CN216358909U (en) | Dust device of building engineering building site | |
| CN216062608U (en) | Environment-friendly dust removal device for quartz production | |
| CN204485585U (en) | For the rail mounted dust arrester in cement plant | |
| CN111301483A (en) | Novel railway signal lamp | |
| CN213790613U (en) | Green building construction is with good building site dust device of dust removal effect | |
| CN216653920U (en) | Factory building dust collecting equipment | |
| CN220276593U (en) | Dust collector of building engineering | |
| CN212119455U (en) | Dust removal spray set for construction | |
| CN204485531U (en) | A kind of roller dust removal machine for cement plant | |
| CN218281121U (en) | Dust fall heat sink | |
| CN212006114U (en) | New fan with humidification dust removal function | |
| CN212818869U (en) | Spraying dust-settling and cooling device for construction working face of building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |