Storage tank for powder coating production
By installing a vacuum extraction system and protective gas supply in the storage tank, the problem of powder coating oxidation during storage is solved, thus achieving stability of coating quality and preventing agglomeration, while providing protection and convenient observation during storage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-03-20
AI Technical Summary
When powder coatings are stored in storage tanks for a long time, the residual air inside the tanks will react with the powder coatings to cause oxidation, leading to resin aging, pigment discoloration, and additive failure, thus reducing the quality of the coatings.
A storage tank with a vacuum pumping system and a protective gas supply was designed. The air inside the storage tank is extracted by a vacuum pump and replaced with an inert gas such as nitrogen or an inert gas to prevent oxidation. At the same time, a stirring motor and a stirring paddle are provided to prevent clumping, and a heat insulation coating is provided to prevent temperature effects.
It effectively prevents oxidation of powder coatings during storage, maintains stable coating quality, prevents resin aging, pigment discoloration and additive failure, and prevents clumping and blockage, while facilitating the observation of storage levels.
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Figure CN224014499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to powder coating production technical field, concretely to a kind of powder coating production's storage tank. BACKGROUND
[0002] Powder coating is a kind of solid coating without solvent, mainly by resin, pigment, filler, curing agent and auxiliary ingredient etc., by electrostatic spraying, fluidized bed dip coating etc., continuous coating film is formed on the surface of object after heating and curing, it has the advantages of environmental protection low carbon, no VOC emission, high utilization, once film thickness, high production efficiency, coating mechanical property and weather resistance are excellent, it is widely used in furniture and household appliance shell protection decoration, automobile parts coating, building profile surface treatment etc., not only can provide protective layer for object corrosion and wear resistance, but also can create a variety of color and texture effect, and in powder coating production, storage tank mainly plays the role of storing powder coating.
[0003] At present, when powder coating is stored in storage tank for a long time, the residual air in the storage tank will oxidize with the powder coating, causing the resin in the powder coating to age, the pigment to discolor and the auxiliary agent to fail, which reduces the quality of the powder coating. Therefore, we propose a storage tank for powder coating production. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of storage tank for powder coating production, with the advantages of avoiding the oxidation of powder coating due to the residual air in the storage tank during long-term storage, protecting the powder coating and stabilizing the quality of the powder coating, solving the problem of oxidation of powder coating due to the residual air in the storage tank during long-term storage, causing the resin in the powder coating to age, the pigment to discolor and the auxiliary agent to fail, which reduces the quality of the powder coating.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of storage tank for powder coating production, comprising a storage tank body, a sealing tank cover is fixedly installed on the upper surface of the storage tank body, a feed valve is fixedly connected on one side of the upper surface of the sealing tank cover, a discharge valve is fixedly connected on the lower surface of the storage tank body, a vacuum air pump is fixedly installed on the side of the upper surface of the storage tank body away from the feed valve, a filter valve is fixedly connected to the air pumping end of the vacuum air pump, a three-way valve is fixedly connected to the end of the filter valve, the remaining two ends of the three-way valve are respectively fixedly connected with an air suction pipe and a quick connector, and the end of the air suction pipe is fixedly connected to the upper surface of the sealing tank cover, and the end of the quick connector is fixedly connected with a protective gas cylinder.
[0006] Preferably, the outer surface of the air extraction pipe is fixedly provided with a vacuum gauge, and the detection probe of the vacuum gauge is located in the air extraction pipe; when the air in the storage tank body is extracted by the vacuum air pump, the vacuum degree in the storage tank body can be measured by the vacuum gauge.
[0007] Preferably, the upper surface of the sealing tank cover is fixedly provided with a stirring motor at the axial position, and the output shaft of the stirring motor is fixedly connected with a stirring paddle, which is located in the storage tank body; the stirring motor drives the stirring paddle to rotate and stir the powder coating in the storage tank body, so that the powder coating is prevented from agglomeration and broken, thereby preventing the powder coating from being blocked when being discharged from the storage tank body.
[0008] Preferably, the lower surface of the storage tank body is fixedly provided with a support frame, which serves to fix and support the storage tank body.
[0009] Preferably, the outer surfaces of the storage tank body and the sealing tank cover are provided with heat insulation coatings, which serve to insulate and heat the storage tank body and the sealing tank cover, so as to prevent the temperature outside from affecting the powder coating in the storage tank body.
[0010] Preferably, the outer surface of the storage tank body is provided with an observation port, and the observation port is fixedly provided with a transparent plate, so that the storage amount of the powder coating in the storage tank body can be observed through the transparent plate.
[0011] Compared with the prior art, the present application has the following advantages:
[0012] The storage tank body, the sealing tank cover, the feeding valve, the discharging valve, the vacuum air pump, the filter valve, the three-way valve, the quick connector, the protective gas cylinder and the air extraction pipe are arranged, so that the powder coating can be prevented from being oxidized due to the residual air in the storage tank during long-term storage, the quality of the powder coating is stabilized, the powder coating is stored in the storage tank body through the feeding valve, the air in the storage tank body is extracted by the vacuum air pump through the air extraction pipe, then the three-way valve is adjusted to connect the protective gas cylinder and the air extraction pipe, so that the protective gas in the protective gas cylinder enters the storage tank body, the powder coating in the storage tank body is prevented from being oxidized due to the residual air, and the problems of resin aging, pigment discoloration and additive failure are avoided, and the powder coating in the storage tank body is discharged through the discharging valve.
[0013] The utility model discloses a stirring motor and stirring paddle are set up, reached the effect that the powder coating of preventing the storage tank main part inside is gathered, and stirring motor drives the rotation of stirring paddle, and the powder coating in the storage tank main part is stirred, then can avoid the powder coating gathering, also can make the powder coating that gathers broken, prevent the powder coating from the storage tank main part inside and discharge when jam.
[0014] The utility model discloses through setting up observation port and transparent board, then the storage amount of the powder coating in the storage tank main part is observed through the transparent board inside observation port. DRAWINGS
[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0016] Figure 2 It is the partial three-dimensional structure schematic diagram of the vacuum air pump of the utility model;
[0017] Figure 3 It is the main view structure schematic diagram of the utility model;
[0018] Figure 4 It is the partial main section view structure schematic diagram of the storage tank main part and the sealing tank cover of the utility model.
[0019] Fig. 1, support frame;2, storage tank main part;3, sealing tank cover;4, feed valve;5, stirring motor;6, vacuum air pump;7, vacuum gauge;8, air suction pipe;9, three-way valve;10, filter valve;11, quick connector;12, protective gas cylinder;13, observation port;14, transparent board;15, discharge valve;16, stirring paddle;17, heat insulation coating. SPECIFIC IMPLEMENTATION
[0020] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments. Embodiment one
[0021] As Figures 1-3 The utility model discloses a kind of powder coating production's storage tank, including storage tank main part 2, storage tank main part 2 upper surface is fixedly installed with sealing tank cover 3, storage tank main part 2 upper surface opening, sealing tank cover 3 and storage tank main part 2 between by bolt fixed connection, then the dismounting of sealing tank cover 3 is facilitated, to facilitate the cleaning and overhaul of storage tank main part 2 interior, sealing tank cover 3 upper surface one side is fixedly connected with feed valve 4, powder coating is added to storage tank main part 2 interior by feed valve 4, storage tank main part 2 lower surface is fixedly connected with discharge valve 15, powder coating in storage tank main part 2 interior is discharged by discharge valve 15.
[0022] The upper surface of the storage tank body 2 is fixedly installed with a vacuum air pump 6 away from the feeding valve 4, the air exhaust end of the vacuum air pump 6 is fixedly connected with a filter valve 10, the tail end of the filter valve 10 is fixedly connected with a three-way valve 9, the remaining two ends of the three-way valve 9 are respectively fixedly connected with an air exhaust pipe 8 and a quick connector 11, and the tail end of the air exhaust pipe 8 is fixedly connected to the upper surface of the sealing tank cover 3, the residual air in the storage tank body 2 is filtered by the filter valve 10 and then is exhausted by the vacuum air pump 6, the tail end of the quick connector 11 is fixedly connected with a protective gas cylinder 12, the protective gas cylinder 12 and the three-way valve 9 are quickly connected or disconnected through the quick connector 11, so that the protective gas cylinder 12 is replaced, the protective gas cylinder 12 internally stores the protective gas, such as nitrogen and inert gas, which does not react with the powder coating, the outer surface of the air exhaust pipe 8 is fixedly installed with a vacuum gauge 7, the detection probe of the vacuum gauge 7 is located in the air exhaust pipe 8, when the air in the storage tank body 2 is exhausted by the vacuum air pump 6, the vacuum degree in the storage tank body 2 is measured by the vacuum gauge 7, the lower surface of the storage tank body 2 is fixedly installed with a support frame 1, the support frame 1 plays a role of fixing and supporting the storage tank body 2, and the outer surfaces of the storage tank body 2 and the sealing tank cover 3 are provided with heat insulation coating layers 17, so that the storage tank body 2 and the sealing tank cover 3 are heat insulated, so that the temperature of the outside does not affect the powder coating in the storage tank body 2.
[0023] In use, the powder coating enters the storage tank body 2 through the feeding valve 4 and is stored, the air in the storage tank body 2 is exhausted by the vacuum air pump 6 through the air exhaust pipe 8, then the three-way valve 9 is adjusted, so that the protective gas cylinder 12 is communicated with the air exhaust pipe 8, the protective gas in the protective gas cylinder 12 enters the storage tank body 2, the residual air in the storage tank body 2 is effectively avoided to cause the powder coating to be oxidized to cause resin aging, pigment discoloration and additive failure, and the powder coating in the storage tank body 2 is discharged through the discharging valve 15. Example two
[0024] As shown in Figure 3 and Figure 4 , the utility model discloses a kind of powder coating production's storage tank, compared with example one, this embodiment further includes that sealing tank cover 3 upper surface axial position is fixedly installed with stirring motor 5, stirring motor 5 output shaft tail end is fixedly connected with stirring paddle 16, and stirring paddle 16 is located in storage tank body 2, storage tank body 2 outer surface is provided with observation port 13, and observation port 13 inside is fixedly installed with transparent plate 14, then it is convenient to see the storage amount of powder coating in storage tank body 2 through the transparent plate 14 inside observation port 13.
[0025] In the embodiment, the stirring motor 5 drives the stirring paddle 16 to rotate and stirs the powder coating in the inside of the storage tank main body 2, so that the powder coating can be prevented from being agglomerated, and the agglomerated powder coating can be broken to prevent the powder coating from being blocked when being discharged from the inside of the storage tank main body 2.
[0026] The above specific embodiments are only several preferred embodiments of the present application, and based on the technical scheme of the present application and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.
Claims
1. A storage tank for powder coating production, comprising a storage tank body (2), characterized in that: A sealing tank cover (3) is fixedly installed on the upper surface of the storage tank body (2). A feed valve (4) is fixedly connected to one side of the upper surface of the sealing tank cover (3). A discharge valve (15) is fixedly connected to the lower surface of the storage tank body (2). A vacuum pump (6) is fixedly installed on the side of the upper surface of the storage tank body (2) away from the feed valve (4). A filter valve (10) is fixedly connected to the suction end of the vacuum pump (6). A three-way valve (9) is fixedly connected to the end of the filter valve (10). A suction pipe (8) and a quick connector (11) are fixedly connected to the remaining two ends of the three-way valve (9), respectively. The end of the suction pipe (8) is fixedly connected to the upper surface of the sealing tank cover (3). A protective gas cylinder (12) is fixedly connected to the end of the quick connector (11).
2. The storage tank for powder coating production according to claim 1, characterized in that: A vacuum gauge (7) is fixedly installed on the outer surface of the extraction pipe (8).
3. A storage tank for powder coating production according to claim 1, characterized in that: A stirring motor (5) is fixedly installed at the axial position on the upper surface of the sealed tank cover (3). A stirring paddle (16) is fixedly connected to the end of the output shaft of the stirring motor (5), and the stirring paddle (16) is located inside the storage tank body (2).
4. A storage tank for powder coating production according to claim 3, characterized in that: A support frame (1) is fixedly installed on the lower surface of the main body (2) of the storage tank.
5. A storage tank for powder coating production according to claim 1, characterized in that: The outer surfaces of the storage tank body (2) and the sealed tank cover (3) are both provided with heat insulation coating (17).
6. A storage tank for powder coating production according to claim 1, characterized in that: The storage tank body (2) has an observation port (13) on its outer surface, and a transparent plate (14) is fixedly installed inside the observation port (13).