CN210131505U

CN210131505U - Dust collection device for powder coating preparation

Info

Publication number: CN210131505U
Application number: CN201920918950.0U
Authority: CN
Inventors: 潘正祈
Original assignee: Jiangsu Yuehua New Materials Technology Co Ltd
Current assignee: Jiangsu Yuehua New Materials Technology Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-03-10
Anticipated expiration: 2029-06-18

Abstract

The utility model belongs to the technical field of the powder processing, especially, be a dust collection device is used in powder coating preparation, including the cyclone recovery unit who is used for the powder to retrieve respectively and assisting dust collection device, cyclone recovery unit's the powder inlet end is connected with the powder conveyer pipe, cyclone recovery unit's play powder inlet end is connected with the powder inlet end of assisting dust collection device through first blast pipe, it includes dust retaining box, baffle, dust retaining plate, powder passageway, dust hopper, dust collection box, vibrator, base and supporting spring to assist dust collection device. The utility model discloses can make the powder separation more abundant, can fully collect usable powder, avoid causing the waste of powder, can in time handle the useless powder that can not utilize, prevent to cause environmental pollution, effectively prevent simultaneously that the powder from bonding on keeping off dirt incasement wall and dust board, the collection of the powder of being convenient for.

Description

Dust collection device for powder coating preparation

Technical Field

The utility model relates to a powder processing technology field specifically is a dust collection device is used in powder coating preparation.

Background

The electrostatic spraying of powder coating is entering the application field from the 20 th century 60 th, rapidly popularizing and popularizing in the whole world and getting more and more popular with people. However, with this spraying method, due to the discontinuity of the workpiece during the spraying process and the quality of the powder itself, as well as the influence of the spraying stroke, there is always a portion of the powder that is not fully utilized. If the powder is not collected in time, the powder is easy to pollute the environment; if the waste powder is treated, the waste is too large; if all the waste powder is used repeatedly, the waste powder containing a lot of unusable waste powder can affect the coating quality. The powder recovery device is required to separate and collect and treat waste powder, but the existing dust collection device cannot fully separate the powder which is not fully utilized, so that part of the powder which is not recovered is treated as waste powder, and the waste of the powder is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a dust collection device is used in powder coating preparation has solved current dust collection device and can not fully separate the powder of underutilization, leads to the part not the powder of retrieving to handle as useless powder, causes the problem of the waste of powder.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a dust collecting device for powder coating manufacturing comprises a cyclone separating and recovering device and an auxiliary dust collecting device which are used for powder recovery respectively, wherein a powder inlet end of the cyclone separating and recovering device is connected with a powder conveying pipe, a powder outlet end of the cyclone separating and recovering device is connected with a powder inlet end of the auxiliary dust collecting device through a first air supply pipe, the auxiliary dust collecting device comprises a plurality of dust blocking boxes, partition plates, dust blocking plates, a powder channel, a dust collecting hopper, a dust collecting box, a vibrator, a base and a supporting spring, the partition plates are sequentially arranged in the dust blocking boxes and correspond to the positions between the powder inlet end and the powder outlet end, the dust blocking plates are provided with a plurality of dust blocking plates, the dust blocking plates are sequentially arranged on the side wall, close to the powder inlet end of the dust blocking boxes, of each partition plate from top to bottom, the powder channel is arranged on each partition plate and is positioned between two adjacent dust blocking plates, the dust collection box is fixedly arranged at the bottom of the dust blocking box, the dust blocking box is divided into a plurality of dust blocking cavities by the partition plate, the bottoms of the dust blocking cavities are communicated with the dust collection box through the dust collection hopper, the vibrator is arranged at the bottom of the dust collection box, the base elastically supports the dust blocking box through the supporting spring, the powder outlet end of the dust blocking box is connected with the powder filtering device through the second air supply pipe, and the powder outlet end of the powder filtering device is communicated with the waste powder treatment device through a pipeline.

As an optimized technical scheme of the utility model, cyclone recovery unit is in by at least one cyclone and setting the powder collecting box of cyclone bottom powder outlet end constitutes.

As an optimized technical scheme of the utility model, be equipped with first fan on the second blast pipe.

As a preferred technical proposal of the utility model, the waste powder treatment device comprises a box body, a water supply pipe, a spray nozzle, a water vapor barrier layer, a gas outlet, a water collecting tank, a sewage filtering device, a circulating water tank and a circulating water pipe, wherein the water supply pipe is arranged inside the box body, the spray nozzle is provided with a plurality of water supply pipes which are evenly arranged at the bottom of the water supply pipe, the water vapor barrier layer is arranged at the upper position corresponding to the water supply pipe inside the box body, the gas outlet is arranged at the top of the box body, the water collecting tank is arranged at the bottom of the inner cavity of the box body, the sewage filtering device is arranged at one side of the box body, the sewage filtering device is communicated with the water collecting tank through a water pumping pipe, a first water pump is arranged on the water pumping pipe, the clean water outlet end of the sewage filtering device is communicated with the water inlet end pipeline, and a second water pump is arranged on the water delivery pipe.

As an optimal technical scheme of the utility model, the flow pipe is provided with two.

As a preferred technical scheme of the utility model, the steam barrier layer comprises multirow steam baffle, and dislocation set between the two adjacent rows of steam baffles, multirow steam baffle are arranged in proper order by a plurality of sub-baffles and are formed.

As a preferred technical scheme of the utility model, the top of box is equipped with the drying device who is connected with the gas outlet pipeline, drying device's air-out end is equipped with the second fan.

(III) advantageous effects

Compared with the prior art, the utility model provides a dust collection device is used in powder coating preparation possesses following beneficial effect:

1. this dust collection device is used in powder coating preparation carries out the primary separation to the powder through setting up cyclone recovery unit, assists dust collection device through setting up and carries out final separation to the powder, makes the powder separation more abundant, can fully collect usable powder, avoids causing the waste of powder, can in time handle the useless powder that can not utilize simultaneously, prevents to cause environmental pollution.

2. This dust collection device is used in powder coating preparation sets up the vibrator through the bottom at the dust collection box, through base and supporting spring elastic support dust blocking box, prevents effectively that the powder from bonding on dust blocking box inner wall and dust blocking plate, the collection of the powder of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the auxiliary dust collecting device of the present invention;

fig. 3 is the internal structure schematic diagram of the waste powder treatment device of the present invention.

In the figure: 1. a cyclone separation recovery device; 2. an auxiliary dust collecting device; 201. a dust blocking box; 202. a partition plate; 203. a dust guard; 204. a powder passage; 205. a dust collecting hopper; 206. a dust collection box; 207. a vibrator; 208. a base; 209. a support spring; 3. a waste powder treatment device; 301. a box body; 302. a water supply pipe; 303. a spray nozzle; 304. a water vapor barrier layer; 305. an air outlet; 306. a water collection tank; 307. a sewage filtering device; 308. a circulating water tank; 309. a circulating water pipe; 4. a powder delivery pipe; 5. a first blast pipe; 6. a powder filtration device; 7. a second blast pipe; 8. a first fan; 9. a first water pump; 10. A second water pump; 11. a drying device; 12. and a second fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a dust collecting device for powder coating manufacturing comprises a cyclone separation recovery device 1 and an auxiliary dust collecting device 2 which are used for powder recovery respectively, a powder conveying pipe 4 is connected with a powder inlet end of the cyclone separation recovery device 1, a powder outlet end of the cyclone separation recovery device 1 is connected with a powder inlet end of the auxiliary dust collecting device 2 through a first air supply pipe 5, the auxiliary dust collecting device 2 comprises a dust blocking box 201, a partition plate 202, dust blocking plates 203, a plurality of powder channels 204, a dust hopper 205, a dust collecting box 206, a vibrator 207, a base 208 and a supporting spring 209, the partition plates 202 are arranged in the dust blocking box 201 in sequence, the partition plates 202 are arranged between the corresponding powder inlet end and the powder outlet end in the dust blocking box 201, the dust blocking plates 203 are arranged in plurality, the dust blocking plates 203 are arranged on the side wall of each partition plate 202 close to the powder inlet end of the dust blocking box 201 from top to bottom in sequence, the powder channels 204 are arranged on the partition plates 202 and are positioned between two adjacent dust blocking plates 203, dust collection box 206 fixed mounting is in the bottom of keeping off dirt case 201, baffle 202 separates dust collection box 201 for a plurality of fender dirt chambeies, the bottom in a plurality of fender dirt chambeies is all through dust hopper 205 and dust collection box 206 intercommunication, vibrator 207 sets up in the bottom of dust collection box 206, base 208 passes through supporting spring 209 elastic support and keeps off dirt case 201, the play powder mouth end of keeping off dirt case 201 is connected with powder filter equipment 6 through second blast pipe 7, the play powder mouth end pipeline intercommunication of powder filter equipment 6 has useless powder processing apparatus 4.

In this embodiment, a dust hood is disposed at one end of the powder conveying pipe 4 away from the cyclone separation and recovery device 1, a third fan (not shown in the figure) is further disposed on the powder conveying pipe 4, and under the action of the third fan, the powder enters the cyclone separation and recovery device 1 through the powder conveying pipe 4 to be separated and collected; the powder filtering device 6 is composed of a filter element and accessories thereof, wherein the filter element is made of special materials with high strength and multiple micropores, and can allow gas to pass through and intercept fine powder; the sewage filtering device 307 is composed of a stainless steel filter cartridge and accessories thereof, sewage in the water collecting tank 306 is pumped into the sewage filtering device 307 through a first water pump and a water pumping pipeline, purified water is obtained under the filtering of the stainless steel filter cartridge, then the purified water pipeline is conveyed into the circulating water tank 308, and the purified water is recycled through the matching of the circulating water pipe 309, the second water pump 10, the water conveying pipe 302 and the spray nozzle 303, so that the energy is saved and the environment is protected; the drying device 11 adopts an electric heating drying mode to dry the damp air and quickly discharge the damp air under the action of the second fan 12.

Specifically, the cyclone separation and recovery device 1 is composed of at least one cyclone separator and a powder collecting box arranged at a powder outlet end at the bottom end of the cyclone separator.

In this embodiment, cyclone's quantity is configured according to actual demand, carries out primary separation to the powder through cyclone, and in the powder collecting box was fallen into to the powder after the separation, the fractional part and useless waste powder carried to assisting in the dust collection device 2 through powder conveyer pipe 4 and carry out the secondary separation.

Specifically, the second air supply pipe 7 is provided with a first fan 8.

In this embodiment, under the action of the first fan 8, the dust is made to flow rapidly in the air duct formed by the cyclone separation and recovery device 1, the powder conveying pipe 4, the auxiliary dust collecting device 2, and the second air supply pipe 7, so as to improve the separation speed and efficiency.

Specifically, the waste powder treatment device 3 comprises a box body 301, a water supply pipe 302, a spray nozzle 303, a water vapor blocking layer 304, an air outlet 305, a water collecting tank 306, a sewage filtering device 307, a circulating water tank 308 and a circulating water pipe 309, wherein the water supply pipe 302 is arranged inside the box body 301, the spray nozzle 303 is provided with a plurality of water supply pipes 302, the water vapor blocking layer 304 is arranged at the bottom of the water supply pipe 302 and is corresponding to the upper position of the water supply pipe 302 inside the box body 301, the air outlet 305 is arranged at the top of the box body 301, the water collecting tank 306 is arranged at the bottom of an inner cavity of the box body 301, the sewage filtering device 307 is arranged at one side of the box body 301, the sewage filtering device 307 is communicated with the water collecting tank 306 through a water pumping pipe, the water pumping pipe is provided with a first water pump 9, a purified water outlet end of the sewage filtering device 307 is communicated with a, the water supply pipe 302 is provided with a second water pump 10.

In this embodiment, the gas with unusable waste powder after the secondary separation by the cyclone separation recovery device 1 and the auxiliary dust collection device 2 enters the tank 301 after being filtered by the powder filtering device 6, the water in the circulating water tank 308 is conveyed into the water supply pipe 302 through the circulating water pipe 309 under the action of the second water pump 10, the waste powder in the mixed gas entering the tank 301 is captured by the spraying of the spraying nozzle 303, water drops fall into the water collecting tank 306, under the action of the first water pump 9, the sewage is conveyed to the sewage filtering device 307 through the water pumping pipe for filtering, the filtered purified water is returned to the circulating water tank 308, the purpose of saving water source is achieved, the humid gas for filtering the waste powder rises, the water vapor in the gas is blocked under the action of the water vapor blocking layer 304, the water vapor is condensed into water drops on the water vapor blocking layer 304 and falls to the water collecting tank 306, and slightly humid air is discharged out of the box body 301 through the air outlet 305.

Specifically, two water feed pipes 302 are provided.

In this embodiment, the two water supply pipes 302 are provided, so that the waste powder can be sufficiently captured, and the waste powder can be prevented from being discharged into the atmosphere.

Specifically, the water vapor blocking layer 304 is composed of a plurality of rows of water vapor baffles, the two adjacent rows of water vapor baffles are arranged in a staggered manner, and the plurality of rows of water vapor baffles are formed by sequentially arranging a plurality of sub-baffles.

In this embodiment, through the setting of the multirow steam baffle of dislocation set, gaseous space through between the single sub-baffle rises, can be at utmost carry out the separation to steam.

Specifically, the top of the box 301 is provided with a drying device 11 connected with the air outlet 305 through a pipeline, and an air outlet end of the drying device 11 is provided with a second fan 12.

In this embodiment, the drying device 11 is arranged to dry the discharged humid air, the drying device 11 may be an electric heating device or a hair dryer drying device, and the second fan 12 is arranged to accelerate the discharge of the air.

The utility model discloses a theory of operation and use flow: the gas with available powder and unusable waste powder enters the cyclone separation recovery device 1 through the powder conveying pipe 4, the available powder is collected into the powder collecting box under the action of the cyclone separation recovery device 1, the other part of the powder with very small particles and the small part of the available powder enter the cyclone separation recovery device 1 through the powder conveying pipe 4 for separation and collection, most of the available powder enters the powder collecting box under the action of the cyclone separator, the small part of the available powder and the unusable waste powder are conveyed to the auxiliary dust collecting device 2 through the powder conveying pipe 4, under the action of the first fan 8, the small part of the available powder and the unusable waste powder are rapidly discharged through the powder channels 204 in sequence, and in the discharging process, the dust baffle plate 203 in the dust baffle box 201 plays a role in blocking the small part of the available powder, usable powder of small part gets into in the dust collection box 206 through dust hopper 205 under the effect of gravity, and simultaneously, work through vibrator 207 intermittent type nature, will bond at fender dirt case 201 inner wall and baffle 202, the powder vibration on the fender dirt board 203 drops to the dust collection box 206 in, it is more convenient to make the collection of powder, the gas of smuggleing useless powder after the secondary is collected is carried to powder filter equipment 6 in through second blast pipe 7 and is filtered, gas after the filtration gets into useless powder processing apparatus 3 at last, fully catch useless powder under the effect of spray nozzle 303, prevent that useless powder from discharging and leading to environmental pollution.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a powder coating preparation is with dust collection device, includes cyclone recovery unit (1) and assistance dust collection device (2) that are used for the powder to retrieve respectively, its characterized in that: the powder inlet end of the cyclone separation recovery device (1) is connected with a powder conveying pipe (4), the powder outlet end of the cyclone separation recovery device (1) is connected with the powder inlet end of the auxiliary dust collection device (2) through a first air supply pipe (5), the auxiliary dust collection device (2) comprises a dust blocking box (201), a partition plate (202), a dust blocking plate (203), a powder channel (204), a dust hopper (205), a dust collecting box (206), a vibrator (207), a base (208) and a supporting spring (209), the partition plate (202) is provided with a plurality of partitions, the partitions (202) are sequentially arranged between the powder inlet end and the powder outlet end of the dust blocking box (201) in the interior, the dust blocking plate (203) is provided with a plurality of partitions, the dust blocking plates (203) are sequentially arranged on the side wall of each partition plate (202) close to the powder inlet end of the dust blocking box (201) from top to bottom, the powder channel (204) is arranged on the partition plate (202) and is positioned between the adjacent two dust blocking plates (203) The dust collection box (206) is fixedly arranged at the bottom of the dust collection box (201), the dust collection box (201) is divided into a plurality of dust collection cavities by the partition plate (202), the bottoms of the dust collection cavities are communicated with the dust collection box (206) through the dust hoppers (205), the vibrator (207) is arranged at the bottom of the dust collection box (206), the base (208) elastically supports the dust collection box (201) through the supporting spring (209), the powder outlet end of the dust collection box (201) is connected with the powder filtering device (6) through the second air supply pipe (7), and the pipeline at the powder outlet end of the powder filtering device (6) is communicated with the waste powder treatment device (3).

2. A powder coating formulation dust collection device as recited in claim 1, wherein: the cyclone separation and recovery device (1) is composed of at least one cyclone separator and a powder collecting box arranged at a powder outlet end at the bottom end of the cyclone separator.

3. A powder coating formulation dust collection device as recited in claim 1, wherein: and a first fan (8) is arranged on the second air supply pipe (7).

4. A powder coating formulation dust collection device as recited in claim 1, wherein: the waste powder treatment device (3) comprises a box body (301), a water feeding pipe (302), a spraying nozzle (303), a water vapor blocking layer (304), a gas outlet (305), a water collecting tank (306), a sewage filtering device (307), a circulating water tank (308) and a circulating water pipe (309), wherein the water feeding pipe (302) is arranged inside the box body (301), the spraying nozzle (303) is provided with a plurality of water feeding pipes (302) which are uniformly arranged at the bottom of the water feeding pipe (302), the water vapor blocking layer (304) is arranged at the upper position of the corresponding water feeding pipe (302) inside the box body (301), the gas outlet (305) is arranged at the top of the box body (301), the water collecting tank (306) is arranged at the bottom of an inner cavity of the box body (301), the sewage filtering device (307) is arranged at one side of the box body (301), and the sewage filtering device (307) is communicated with the water collecting tank (306) through a, the water pumping pipe is provided with a first water pump (9), the water purifying outlet end of the sewage filtering device (307) is communicated with the water inlet end pipeline of the circulating water tank (308), the water outlet end of the circulating water tank (308) is connected with the water delivery pipe (302) through the circulating water pipe (309), and the water delivery pipe (302) is provided with a second water pump (10).

5. A powder coating formulation dust collection device as claimed in claim 4, wherein: the number of the water supply pipes (302) is two.

6. A powder coating formulation dust collection device as claimed in claim 4, wherein: the water vapor blocking layer (304) is composed of a plurality of rows of water vapor baffles, the two adjacent rows of water vapor baffles are arranged in a staggered mode, and the plurality of rows of water vapor baffles are formed by sequentially arranging a plurality of sub-baffles.

7. A powder coating formulation dust collection device as claimed in claim 4, wherein: the top of box (301) is equipped with drying device (11) with gas outlet (305) pipe connection, the air-out end of drying device (11) is equipped with second fan (12).