CN215408743U - Adjustable tunnel construction dust suppression device - Google Patents
Adjustable tunnel construction dust suppression device Download PDFInfo
- Publication number
- CN215408743U CN215408743U CN202120884681.8U CN202120884681U CN215408743U CN 215408743 U CN215408743 U CN 215408743U CN 202120884681 U CN202120884681 U CN 202120884681U CN 215408743 U CN215408743 U CN 215408743U
- Authority
- CN
- China
- Prior art keywords
- dust
- water
- fixedly connected
- pipe
- storage tank
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 132
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000001629 suppression Effects 0.000 title claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 144
- 239000007921 spray Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Landscapes
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The utility model discloses an adjustable tunnel construction dust-settling device, which comprises a base, a dust suction box, a water storage tank, a water outlet pipe and a water filling port, wherein an adjusting component is arranged, so that the problem that the device cannot rapidly adjust the direction and height of an atomizing nozzle according to the needs of a user to rapidly settle dust and remove dust in a tunnel is solved, the dust-settling efficiency is improved, the surrounding environment is protected, the condition that workers inhale dust to cause harm to the health of the bodies is avoided, and the tunnel construction dust-settling device is more convenient; by arranging the dust removal assembly, dust in the tunnel can be collected and filtered, and dust can be reduced in the tunnel; by arranging the booster pump and the atomizing nozzle, water can be sprayed into the tunnel to reduce dust, so that workers can not suck excessive dust, and meanwhile, the tunnel is cooled to a certain extent, so that a better working environment is provided for the workers, and the tunnel cooling device is relatively practical and suitable for wide popularization.
Description
Technical Field
The utility model relates to the technical field of dust settling devices, in particular to an adjustable tunnel construction dust settling device.
Background
In the in-process of construction in the mine tunnel, can produce a large amount of smoke and dust in the hole during tunnel blasting, common way is to carry fresh air in to the tunnel through the outside fan in tunnel, the smoke and dust that produces in with the tunnel through fume extractor simultaneously is discharged outside the tunnel, however, because the tunnel cave body is longer, the conveying capacity of fan and fume extractor's smoke exhaust effect is limited, lead to bringing very big pressure for the dust fall in the tunnel, if the dust fall effect is not good, constructor brings huge injury for the lung easily when the construction, the time has been of a specified duration and has been caused pneumoconiosis easily.
The patent of current patent publication No. CN211692546U discloses a spraying dust device for tunnel construction, setting through the filter screen, the filter screen can make the spun water droplet subtract and scatter, make the water droplet become vaporific effluvium, effect in the aspect of the dust fall is better, thereby can save certain water source, make the reserve water use more of a specified duration, setting through lighting device, because tunnel lighting conditions is limited, lighting device can also normally work under the lower condition of operational environment visibility, the work efficiency of spraying dust device has been ensured, setting through the water level ware, the quantity of water can be monitored to the water level ware, can ensure the normal clear of work.
Among the above-mentioned technique, can not rotate the atomizer that sprays water, still can not adjust the height of atomizer according to the needs of dust fall, because can't be according to user's needs quick adjustment atomizer's direction and height, so lead to the atomizer inconvenient comparatively when removing dust, therefore we have proposed a tunnel construction dust device with adjustable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an adjustable tunnel construction dust settling device to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
an adjustable dust suppression device for tunnel construction comprises a base, a dust collection box fixedly connected to the upper end of the base, a water storage tank fixedly connected to the right of the dust collection box, a first water outlet pipe fixedly installed inside the water storage tank, and a water filling port fixedly connected to the upper end of the water storage tank, wherein the upper end of the first water outlet pipe penetrates through the upper end of the water storage tank and extends to the outer side of the water storage tank, and the first water outlet pipe is rotatably connected with the water storage tank;
the adjusting assembly is used for adjusting the height and the direction of the atomizing spray head, the adjusting assembly is arranged between the first water outlet pipe and the atomizing spray head and comprises a driven gear, the driven gear is fixedly sleeved on the first water outlet pipe on the outer side of the water storage tank, a driving gear is arranged on the left side of the driven gear and is meshed with the driving gear, the driving gear is fixedly connected with the output end of a driving motor, the driving motor is fixedly installed on the upper end surface of the water storage tank, a telescopic hose is fixedly connected to the upper end of the first water outlet pipe, a water delivery pipe is fixedly connected to the upper end of the telescopic hose, a water distribution pipe is fixedly connected to one end of the water delivery pipe far away from the telescopic hose, a plurality of groups of atomizing spray heads are fixedly connected to the right side of the water distribution pipe, and a fixing rod is fixedly connected to the right side of the first water outlet pipe on the outer side of the water storage tank, the upper end of the fixed rod is fixedly connected with a telescopic rod, and one end of the telescopic rod, which is far away from the fixed rod, is fixedly connected with the lower end of the water delivery pipe;
the dust removal assembly is used for absorbing dust in the filtering tunnel and is arranged in the dust collection box.
As a further scheme of the utility model: the dust removal component comprises a dust collector, the dust collector is fixedly connected to the left side of the dust collection box, an air inlet is formed in the left side of the dust collector, an air outlet is formed in the right side of the dust collector, an exhaust pipe is arranged on the left side of the dust collection box, a dust filter screen is arranged inside the exhaust pipe, and a dust removal filter bag is arranged at an outlet of the exhaust pipe.
As a further scheme of the utility model: the booster pump is fixedly installed on the first water outlet pipe outside the water storage tank, and the control valve is fixedly installed on the water delivery pipe.
As a further scheme of the utility model: the improved water storage tank is characterized in that a connecting pipe is arranged between the dust collection tank and the water storage tank, one end of the connecting pipe is arranged in the dust collection tank, one end of the connecting pipe far away from the dust collection tank is arranged in the water storage tank, a control valve is fixedly mounted on the connecting pipe, and the connecting pipe extends to one end of the dust collection tank and is fixedly connected with an atomizing nozzle.
As a further scheme of the utility model: the lower extreme fixedly connected with collecting box of base, the right side fixedly connected with drain pipe of suction box, the drain pipe passes the base in the one end of keeping away from the suction box and extends to the collecting box.
As a further scheme of the utility model: four corners of the lower end face of the base are fixedly connected with supporting rods, and each group of supporting rods is provided with a universal wheel at the lower end.
As a still further scheme of the utility model: the right side of the collecting box is fixedly connected with a second water outlet pipe.
Compared with the prior art, the utility model has the beneficial effects that:
this tunnel construction dust device with adjustable through setting up adjusting part, has solved the direction that the device can't carry out quick dust fall dust removal in the tunnel according to user's needs quick adjustment atomizer and high problem, has improved the efficiency of dust fall, has protected the environment on every side, has avoided the staff to inhale the condition emergence that the dust caused harm to the health, the convenience of comparison.
This tunnel construction dust device with adjustable, through setting up the dust removal subassembly, can collect the dust in the tunnel and filter, carry out the dust fall to the tunnel, through setting up booster pump and atomizer, can spray water the dust fall in the tunnel for the staff can not inhale too much dust, also carry out certain cooling in the tunnel simultaneously, provide a better operational environment for the staff, relatively practicality, the structure is relatively simple, the operation is relatively easy, be applicable to extensive popularization.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
FIG. 3 is a schematic view of the structure of the dust filter of the present invention.
Wherein: 1. a base; 2. a dust collection box; 3. a water storage tank; 4. a collection box; 5. an air inlet; 6. a vacuum cleaner; 7. an air outlet; 8. an exhaust pipe; 9. a dust filter screen; 10. a dust removal filter bag; 11. a first water outlet pipe; 12. a water diversion pipe; 13. an atomizing spray head; 14. a booster pump; 15. a control valve; 16 a second water outlet pipe; 17. a connecting pipe; 18. a drain pipe; 19. a driven gear; 20. a driving gear; 21. a drive motor; 22. a water injection port; 23. a support bar; 24. a universal wheel; 25. a flexible hose; 26. a water delivery pipe; 27. fixing the rod; 28. a telescopic rod.
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. 1-3, in the embodiment of the present invention, an adjustable tunnel construction dust settling device includes a base 1 and a water filling port 22 fixedly connected to an upper end of a water storage tank 3, the base 1 is used to fixedly place a dust collection tank 2 and the water storage tank 3, the dust collection tank 2 is fixedly connected to the upper end of the base 1 and is used to place a dust collection assembly, the water storage tank 3 is fixedly connected to the right side of the dust collection tank 2 and is used to store and place water, a first water outlet pipe 11 is fixedly installed inside the water storage tank 3 and is used to connect the water storage tank 3 and a water diversion pipe 12, an upper end of the first water outlet pipe 11 passes through an upper end of the water storage tank 3 and extends to an outer side of the water storage tank 3, and the first water outlet pipe 11 is rotatably connected to the water storage tank 3 so as to facilitate water discharge from the water storage tank 3, and further includes an adjusting assembly and a dust collection assembly;
the adjusting assembly is used for adjusting the height and direction of the atomizer 13, the adjusting assembly is arranged between the first water outlet pipe 11 and the atomizer 13, the adjusting assembly comprises a driven gear 19, the driven gear 19 is fixedly sleeved on the first water outlet pipe 11 outside the water storage tank 3 and is used for driving the first water outlet pipe 11 to rotate, a driving gear 20 is arranged on the left side of the driven gear 19 and is used for driving the driven gear 19 to rotate, the driven gear 19 is meshed with the driving gear 20, the driving gear 20 is fixedly connected with the output end of a driving motor 21, the driving motor 21 is fixedly arranged on the upper end surface of the water storage tank 3 and is used for driving the driving gear 20 to rotate, the upper end of the first water outlet pipe 11 is fixedly connected with a flexible pipe 25 which can drive a water pipe 26 to move up and down and rotate, and the upper end of the flexible pipe 25 is fixedly connected with a water pipe 26, the water pipe 26 is fixedly connected with the water diversion pipe 12 at one end far away from the flexible hose 25 and is used for conveying water into the atomizing nozzles 13, the right side of the water diversion pipe 12 is fixedly connected with a plurality of groups of atomizing nozzles 13 and can spray water to perform dust fall on the surrounding environment, the right side of the first water outlet pipe 11 outside the water storage tank 3 is fixedly connected with a fixed rod 27 for fixedly placing an expansion rod 28, the upper end of the fixed rod 27 is fixedly connected with an expansion rod 28 and is used for driving the water pipe 26 to move up and down, and the expansion rod 28 is fixedly connected with the lower end of the water pipe 26 at one end far away from the fixed rod 27;
the dust removal subassembly is used for absorbing the dust in the filtration tunnel, the dust removal subassembly sets up in dust suction box 2, the dust removal subassembly includes dust catcher 6, is used for absorbing the dust in the tunnel, 6 fixed connection in dust suction box 2 of dust catcher, 6's left side of dust catcher is equipped with an air inlet 5, and the dust in the tunnel is absorbed to the dust catcher 6 of being convenient for, 6's right side of dust catcher is equipped with a gas outlet 7 for the dust that the discharge dust catcher absorbs, 2's left side of dust suction box is equipped with an blast pipe 8, the dust after the discharge dust fall, 8 inside dust screen 9 that is equipped with of blast pipe filters exhaust dust, the exit of blast pipe 8 is equipped with a dust bag 10, the dust that is used for collecting.
A booster pump 14 is fixedly mounted on the first water outlet pipe 11 on the outer side of the water storage tank 3 to help the first water outlet pipe 11 to discharge water in the water storage tank 3 into the water distribution pipe 12, and a control valve 15 is fixedly mounted on the water delivery pipe 26 and used for controlling the on-off of the water delivery pipe 26. Be equipped with a connecting pipe 17 between dust suction box 2 and the storage water tank 3, the one end setting of connecting pipe 17 is in dust suction box 2, carries the atomizer 13 in dust suction box 2 with the water in the storage water tank 3 in, the one end setting of dust suction box 2 is being kept away from to connecting pipe 17 is in storage water tank 3, fixed mounting has control flap 15 on connecting pipe 17, the switch of control connecting pipe 17, connecting pipe 17 extends to the one end fixedly connected with atomizer 13 of dust suction box 2, can spray out water and carry out the dust fall to the inside of dust suction box 2.
The lower extreme fixedly connected with collecting box 4 of base 1 is used for collecting the waste water in the suction box 2, the right side fixedly connected with drain pipe 18 of suction box 2 is used for discharging the waste water in the suction box 2 to in the collecting box 4, the drain pipe 18 is in the one end of keeping away from suction box 2 and is passed base 1 and extend to in the collecting box 4. Four corners of the lower end face of the base 1 are fixedly connected with supporting rods 23 for connecting the base 1 with universal wheels 24, and each group of the supporting rods 23 is provided with one universal wheel 24 at the lower end, so that the device can be moved integrally. The right side of the collecting box 4 is fixedly connected with a second water outlet pipe 16 for discharging the waste water in the collecting box 4.
The working principle of the utility model is as follows: when the dust-settling water tank is used, the control valve 15 on the water pipe 26 is opened firstly, under the action of the booster pump 14, water in the water storage tank 3 is conveyed into the telescopic hose 25 through the first water outlet pipe 11, the telescopic hose 25 conveys the water into the water pipe 26, the water pipe 26 conveys the water into the water distribution pipe 12, the water in the water distribution pipe 12 is sprayed out through the atomizing nozzle 13, when the direction of spraying water by the atomizing nozzle 13 needs to be adjusted, the driving motor 21 is started, the driving motor 21 drives the driving gear 20 to rotate, the driving gear 20 drives the driven gear 19 to rotate, the driven gear 19 drives the first water outlet pipe 11 to rotate, so that the first water outlet pipe 11 drives the atomizing nozzle 13 to rotate, and the atomizing nozzle 13 rotates to achieve dust settling in other directions; when the height of the atomizing nozzle 13 for spraying water needs to be adjusted, the telescopic rod 28 is started, the telescopic rod 28 drives the telescopic hose 25 to stretch up and down, the telescopic hose 25 drives the water pipe 26 to stretch up and down, and therefore the water pipe 26 can drive the atomizing nozzle 13 to move up and down; start dust catcher 6 when opening control valve 15 on raceway 26, suction box 2 absorbs a large amount of dust under dust catcher 6's effect, the dust can enter into the dust bag 10 of exit through blast pipe 8 in, 8 inside dust screen 9 that are equipped with of blast pipe, can filter the dust, open control valve 15 on connecting pipe 17 when starting dust catcher 6, make the water in the storage water tank 3 enter into connecting pipe 17, at last from the left atomizer 13 blowout of connecting pipe 17, dust fall is carried out to the dust in the suction box 2, the water in the suction box 2 enters into in collection box 4 through drain pipe 18 at last.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (7)
1. An adjustable dust suppression device for tunnel construction comprises a base (1), a dust suction box (2) fixedly connected to the upper end of the base (1), a water storage tank (3) fixedly connected to the right side of the dust suction box (2), a first water outlet pipe (11) fixedly installed inside the water storage tank (3), and a water filling port (22) fixedly connected to the upper end of the water storage tank (3), wherein the upper end of the first water outlet pipe (11) penetrates through the upper end of the water storage tank (3) and extends to the outer side of the water storage tank (3), and the first water outlet pipe (11) is rotatably connected with the water storage tank (3);
the adjusting assembly is used for adjusting the height and the direction of the atomizing spray head (13), the adjusting assembly is arranged between the first water outlet pipe (11) and the atomizing spray head (13), the adjusting assembly comprises a driven gear (19), the driven gear (19) is fixedly sleeved on the first water outlet pipe (11) on the outer side of the water storage tank (3), a driving gear (20) is arranged on the left side of the driven gear (19), the driven gear (19) is meshed with the driving gear (20), the driving gear (20) is fixedly connected with the output end of a driving motor (21), the driving motor (21) is fixedly installed on the upper end face of the water storage tank (3), an expansion hose (25) is fixedly connected to the upper end of the first water outlet pipe (11), a water pipe (26) is fixedly connected to the upper end of the expansion hose (25), a water distribution pipe (12) is fixedly connected to one end, far away from the expansion hose (25), of the water pipe (26), a plurality of groups of atomizing nozzles (13) are fixedly connected to the right side of the water distribution pipe (12), a fixing rod (27) is fixedly connected to the right side of the first water outlet pipe (11) on the outer side of the water storage tank (3), an expansion link (28) is fixedly connected to the upper end of the fixing rod (27), and one end, far away from the fixing rod (27), of the expansion link (28) is fixedly connected with the lower end of the water delivery pipe (26);
the dust removal assembly is used for absorbing dust in the filtering tunnel and is arranged in the dust collection box (2).
2. The adjustable tunnel construction dust falling device is characterized in that the dust removing component comprises a dust collector (6), the dust collector (6) is fixedly connected to the left side of the dust collection box (2), an air inlet (5) is formed in the left side of the dust collector (6), an air outlet (7) is formed in the right side of the dust collector (6), an exhaust pipe (8) is formed in the left side of the dust collection box (2), a dust filtering net (9) is arranged inside the exhaust pipe (8), and a dust removing filter bag (10) is arranged at an outlet of the exhaust pipe (8).
3. The adjustable tunnel construction dust settling device according to claim 1, wherein a booster pump (14) is fixedly mounted on the first water outlet pipe (11) outside the water storage tank (3), and a control valve (15) is fixedly mounted on the water pipe (26).
4. The adjustable tunnel construction dust falling device is characterized in that a connecting pipe (17) is arranged between the dust collection box (2) and the water storage tank (3), one end of the connecting pipe (17) is arranged in the dust collection box (2), the connecting pipe (17) is arranged in the water storage tank (3) at the end far away from the dust collection box (2), a control valve (15) is fixedly mounted on the connecting pipe (17), and one end of the connecting pipe (17) extending to the dust collection box (2) is fixedly connected with an atomizing nozzle (13).
5. The adjustable tunnel construction dust settling device of claim 1, wherein a collection box (4) is fixedly connected to the lower end of the base (1), a drain pipe (18) is fixedly connected to the right side of the dust collection box (2), and the drain pipe (18) penetrates through the base (1) at one end far away from the dust collection box (2) and extends into the collection box (4).
6. The adjustable tunnel construction dust settling device as claimed in claim 1, wherein supporting rods (23) are fixedly connected to four corners of the lower end face of the base (1), and a universal wheel (24) is arranged at the lower end of each group of the supporting rods (23).
7. The adjustable tunnel construction dust settling device according to claim 5, wherein a second water outlet pipe (16) is fixedly connected to the right side of the collection box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120884681.8U CN215408743U (en) | 2021-04-27 | 2021-04-27 | Adjustable tunnel construction dust suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120884681.8U CN215408743U (en) | 2021-04-27 | 2021-04-27 | Adjustable tunnel construction dust suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215408743U true CN215408743U (en) | 2022-01-04 |
Family
ID=79673266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120884681.8U Expired - Fee Related CN215408743U (en) | 2021-04-27 | 2021-04-27 | Adjustable tunnel construction dust suppression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215408743U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797343A (en) * | 2022-05-07 | 2022-07-29 | 浙江东晟建设工程有限公司 | House building construction dust collector |
| CN115301023A (en) * | 2022-06-23 | 2022-11-08 | 中国建筑第八工程局有限公司 | Dust fall equipment for building engineering |
| CN115419454A (en) * | 2022-10-21 | 2022-12-02 | 北京科技大学 | Vehicular tunnel construction dust treatment device |
-
2021
- 2021-04-27 CN CN202120884681.8U patent/CN215408743U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797343A (en) * | 2022-05-07 | 2022-07-29 | 浙江东晟建设工程有限公司 | House building construction dust collector |
| CN115301023A (en) * | 2022-06-23 | 2022-11-08 | 中国建筑第八工程局有限公司 | Dust fall equipment for building engineering |
| CN115419454A (en) * | 2022-10-21 | 2022-12-02 | 北京科技大学 | Vehicular tunnel construction dust treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215408743U (en) | Adjustable tunnel construction dust suppression device | |
| CN206715590U (en) | One kind building removal construction dust arrester | |
| CN210889075U (en) | DPF carrier blows collection ash equipment | |
| CN207769450U (en) | A kind of environment-friendly type building construction dust-extraction unit | |
| CN109351098A (en) | A kind of Environmental-protection dust removal device | |
| CN216259853U (en) | A dust collector for coal mining | |
| CN212612208U (en) | Multi-functional dust fall watering lorry of municipal works | |
| CN219050794U (en) | Environment-friendly dust removal cabinet | |
| CN215128027U (en) | Hand-push type industrial dust collector | |
| CN214832255U (en) | Pure electric vacuum sweeper convenient for dust removal | |
| CN214914300U (en) | Pulse dust collector is used in tuo shi acid production and processing | |
| CN214680711U (en) | Building engineering construction dust collector | |
| CN211854408U (en) | Portable air purification device | |
| CN211462594U (en) | Dust treatment device for hydraulic blasting | |
| CN209770238U (en) | Printing environmental protection dust extraction | |
| CN210151635U (en) | Dust collecting equipment for building site | |
| CN219953422U (en) | Air dust removal device for coal mining | |
| CN219897547U (en) | Dust removing device for nonferrous metal mining | |
| CN212999135U (en) | Smoke and dust removing equipment for environment-friendly machine-made carbon production | |
| CN217829441U (en) | A filter equipment for sack dust collecting equipment | |
| CN213488596U (en) | Energy-efficient dust collecting equipment | |
| CN219744297U (en) | Paint mist separating device for coating production line | |
| CN210460697U (en) | Mix earth injection machine material loading mouth dust collector | |
| CN218982630U (en) | Dust collecting container structure for industrial dust collector | |
| CN215518568U (en) | Watering lorry with wide spraying range |
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: 20220104 |