Powder coating fluidization drying tower

Abstract

The utility model provides a powder coating fluidization drying tower, which relates to the technical field of powder coating processing, and comprises a drying tank, the top of the drying tank is fixedly connected with a top cover, the right side of the top of the top cover is provided with a feed inlet, the bottom end of the drying tank is fixedly connected with a discharge hopper, the center of the top of the top cover is provided with a material dispersion assembly, and the top of the top cover is provided with a material outlet. The rear side of the top of the top cover is fixedly connected with an air inlet pipe, and the left side of the top of the top cover is fixedly connected with an exhaust pipe penetrating up and down. Materials enter from the feeding port and fall on the bearing plate, the driving motor drives the rotating column to rotate so as to drive the inverted V-shaped powder plate to rotate to disperse the materials, and meanwhile, hot air enters the communicating groove from the air inlet pipe, then flows into the air inlet groove along the annular groove and is sprayed out from the exhaust hole through the air conveying groove. And the materials flow towards the two sides along the inverted V-shaped powder plate and make contact with the materials in all directions, the materials are fully dried, and the product drying quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder coating processing technical field especially relates to a powder coating fluidization drying tower. BACKGROUND

[0002] Powder coating is a new type of solvent-free 100% solid powder coating, it has no solvent, no pollution, recyclable, environmental protection, energy saving and resource saving, reduce labor intensity and coating mechanical strength higher characteristics, in automobile, household appliances, building materials and other industries get wide application, fluidization drying tower as the key equipment in the powder coating production process, its working principle is to use gas to make material in fluidized state, realize material and hot gas full contact in the fluidization process, thereby quickly take away the moisture in material, reach the purpose of drying.

[0003] The existing powder coating fluidization drying tower has the following shortcomings:

[0004] On the one hand, the material dispersion effect is poor, the material is accumulated together in the drying process, the hot gas cannot fully contact with the material, leading to insufficient drying, and the product quality is uneven; on the other hand, the discharge structure is unreasonably designed, the material is easy to accumulate and adhere in the discharge hopper during discharging, not only reducing the discharging efficiency, but also often causing the discharge hopper to be blocked, affecting the continuous operation of the equipment. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of powder coating fluidization drying tower, material falls to bearing plate from feed inlet, driving motor drives rotary column rotation, inverted V-shaped powder plate disperses material, hot gas is contacted with material in all directions by air inlet structure, realizes sufficient drying;While rotary column drives discharge assembly, realizes smooth discharge, prevents jam, to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of powder coating fluidization drying tower, including drying tank, the top of the drying tank is fixedly connected with top cover, the top right side of the top cover is provided with feed inlet, the bottom end of the drying tank is fixedly connected with discharge hopper, the outer surface of the discharge hopper is fixedly connected with support leg, the top center of the top cover is provided with material dispersion assembly, the top rear side of the top cover is fixedly connected with air inlet pipe, the top left side of the top cover is fixedly connected with up and down penetrating exhaust pipe.

[0007] The material dispersion assembly comprises a rotating column, the rotating column is rotationally connected in the middle of the top cover, the bottom end of the rotating column penetrates into the inside of the drying tank and the outer surface is fixedly connected with nine inverted V-shaped powder plates, the bottom end of the inverted V-shaped powder plate is fixedly connected with a discharging rack, the discharging rack is arranged on the inner surface of the discharging hopper, the inner surface of the drying tank is fixedly connected with three bearing plates, a plurality of upward and downward penetrating discharging holes are arranged in the inside of the bearing plate, and the three inverted V-shaped powder plates at the same height are rotationally connected on the top of the bearing plate.

[0008] The middle of the top cover is provided with a communication groove, the bottom end of the air inlet pipe penetrates into the inside of the communication groove, the outer surface of the rotating column is provided with an annular groove at the top, the annular groove and the inside of the communication groove are in communication, and three air inlet grooves are arranged on the inner wall of the annular groove in an annular array.

[0009] Preferably, the material dispersion assembly comprises a driving motor, the driving motor is fixedly connected in the middle of the top end of the top cover, and the output shaft of the driving motor is fixedly connected with the top end of the rotating column.

[0010] Preferably, the inside of the inverted V-shaped powder plate is provided with a gas conveying groove above, one end of the gas conveying groove close to the rotating column penetrates into the inside of the air inlet groove.

[0011] Preferably, the inner wall of the gas conveying groove is provided with a plurality of air outlet holes in the lower surface, the bottom end of the air outlet hole penetrates into the bottom of the inverted V-shaped powder plate, and the inner surface of the air outlet hole is fixedly connected with a filter screen.

[0012] Preferably, the discharging rack comprises a connecting column, the connecting column is fixedly connected with the bottom end of the rotating column, and the outer surface of the connecting column is threadedly connected with a threaded feeding plate.

[0013] Preferably, the outer surface of the connecting column is fixedly connected with four connecting rods on the upper side and the lower side, one rotating scraper is fixedly connected with one end of the two connecting rods arranged oppositely and away from the connecting column, and the outer surface of the rotating scraper is slidably connected with the inner surface of the discharging hopper.

[0014] Due to the adoption of the above technical scheme, the technical progress achieved by the present application relative to the prior art is:

[0015] 1、In the present application, the material enters from the feeding port and falls on the bearing plate, the driving motor drives the rotating column to rotate, thereby driving the inverted V-shaped powder plate to rotate, and the material is dispersed, at the same time, hot air enters the communication groove from the air inlet pipe, then flows into the air inlet groove along the annular groove, and is sprayed out from the air outlet hole through the gas conveying groove, and flows to both sides along the inverted V-shaped powder plate, and fully contacts the material, so that the material is fully dried, and the product drying quality is improved.

[0016] 2、The utility model discloses, when rotating, synchronous rotation is driven to connecting column with rotating column, and connecting column drives screw feeding plate to rotate, and the material accumulated in the discharge hopper is sent out, in addition, the rotating scraper is driven to rotate through the connecting rod when connecting column rotates, and the material adhered on the inner wall of the discharge hopper is scraped, avoid the material accumulation in the discharge hopper, effectively prevent the discharge hopper from being blocked, guarantee the discharge efficiency and the continuous operation of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the powder coating fluidization drying tower of the utility model;

[0018] Figure 2 It is the sectional structure schematic diagram of the drying tank of the utility model;

[0019] Figure 3 It is the enlarged structural schematic diagram of rotating column of the utility model;

[0020] Figure 4 It is the sectional enlarged structural schematic diagram of inverted V-shaped powder plate of the utility model;

[0021] Figure 5 It is the structural schematic diagram of the discharge frame of the utility model.

[0022] Legend: 1, drying tank;11, bearing plate;12, blanking hole;2, support leg;3, top cover;31, communication groove;4, material dispersion subassembly;41, drive motor;42, rotating column;421, annular groove;422, air inlet groove;43, inverted V-shaped powder plate;431, gas conveying groove;432, exhaust hole;433, filter screen;44, discharge frame;441, connecting column;442, screw feeding plate;443, connecting rod;444, rotating scraper;5, feed inlet;6, discharge hopper;7, air inlet pipe;8, exhaust pipe. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below in conjunction with the drawings and examples.It should be explained that the embodiment of the application and the features in the example can be combined mutually in the case where there is no conflict.

[0024] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0025] Example 1: as Figure 1 、 Figure 2 、 Figure 5The utility model provides a technical scheme: including drying jar 1, the top of drying jar 1 is fixedly connected with top cover 3, the top right side of top cover 3 is provided with feed inlet 5, the bottom of drying jar 1 is fixedly connected with discharge hopper 6, the outer surface of discharge hopper 6 is fixedly connected with support leg 2, the top center of top cover 3 is provided with material dispersion subassembly 4, the top rear side of top cover 3 is fixedly connected with air inlet pipe 7, the top left side of top cover 3 is fixedly connected with the exhaust pipe 8 that penetrates up and down, material dispersion subassembly 4 includes rotary column 42, rotary column 42 is rotatably connected in the middle part of top cover 3, the bottom end of rotary column 42 penetrates to the inside of drying jar 1 and the outer surface is fixedly connected nine inverted V-shaped powder plate 43, the bottom end of inverted V-shaped powder plate 43 is fixedly connected with discharge rack 44, and discharge rack 44 is arranged on the inner surface of discharge hopper 6, the inner surface of drying jar 1 is fixedly connected with three bearing plates 11, a plurality of downwardly penetrating drop holes 12 are formed in the inside of bearing plate 11, three inverted V-shaped powder plate 43 of the same height are rotatably connected at the top of bearing plate 11, material dispersion subassembly 4 includes drive motor 41, drive motor 41 is fixedly connected in the top end middle part of top cover 3, the output shaft of drive motor 41 is fixedly connected with the top end of rotary column 42, discharge rack 44 includes connecting column 441, connecting column 441 is fixedly connected at the bottom end of rotary column 42, the outer surface of connecting column 441 is threadedly connected with threaded feeding plate 442, the outer surface of connecting column 441 is fixedly connected with four connecting rods 443 on both sides, the end of the two connecting rods 443 away from connecting column 441 is fixedly connected with a rotary scraper 444, the outer surface of rotary scraper 444 is slidably connected with the inner surface of discharge hopper 6;

[0026] The effect reached by the whole embodiment 1 is: when the equipment starts, drive motor 41 operates, the output shaft drives rotary column 42 to rotate, the rotation of rotary column 42 makes inverted V-shaped powder plate 43 fixed on the outer surface thereof rotate, thereby effectively dispersing the material accumulated on bearing plate 11, at the same time, the rotation of rotary column 42 drives connecting column 441 fixedly connected therewith to rotate, threaded feeding plate 442 on the outer surface of connecting column 441 smoothly sends out the material in discharge hopper 6 in the rotating process, the connecting rod 443 on both sides of the outer surface of connecting column 441 drives rotary scraper 444 to slide along the inner wall of discharge hopper 6, scrapes the material adhered to the inner wall of discharge hopper 6, avoids the material from accumulating in discharge hopper 6, effectively prevents discharge hopper 6 from being blocked, greatly improves the efficiency of material dispersion and discharge, and creates good conditions for material drying and discharge.

[0027] Embodiment 2: as Figure 3 And Figure 4As shown, the utility model provides a technical scheme: the middle part of top cap 3 is equipped with the communicating groove 31, the bottom end of air inlet pipe 7 is penetrated to the inside of communicating groove 31, the top of the outer surface of rotating column 42 is equipped with annular groove 421, annular groove 421 and the inside of communicating groove 31 are mutually conducted, the inner wall lower surface of annular groove 421 is equipped with three air inlet grooves 422 in annular array, the inside upper part of inverted V-shaped powder plate 43 is equipped with gas conveying groove 431, the end of gas conveying groove 431 close to rotating column 42 is penetrated to the inside of air inlet groove 422, the inner wall lower surface of gas conveying groove 431 is equipped with a plurality of exhaust holes 432, the bottom end of exhaust hole 432 is penetrated to the bottom of inverted V-shaped powder plate 43, the inner surface of exhaust hole 432 is fixedly connected with filter screen 433;

[0028] The effect reached by the whole embodiment 2 is that: hot gas enters the communicating groove 31 in the middle part of top cap 3 through air inlet pipe 7, since the communicating groove 31 and the annular groove 421 on the top of the outer surface of rotating column 42 are mutually conducted, the hot gas flows into the annular groove 421, then, the hot gas enters the gas conveying groove 431 in the inside upper part of inverted V-shaped powder plate 43 through the air inlet grooves 422 distributed in annular array on the inner wall lower surface of annular groove 421, the exhaust holes 432 on the inner wall lower surface of gas conveying groove 431 spray out the hot gas, the filter screen 433 can effectively prevent the material from entering the gas conveying groove 431, avoid causing blockage, the sprayed hot gas flows along the inverted V-shaped powder plate 43 to both sides, realizes all-around contact with the dispersed material, takes away the moisture in the material, lets the material get fully dried, greatly improves the drying quality of product.

[0029] The working principle of the whole device is that: the powder coating material enters through the feed inlet 5, falls on the bearing plate 11 in the drying tank 1, the driving motor 41 is started, the output shaft drives the rotating column 42 to rotate in the middle part of top cap 3, the nine inverted V-shaped powder plates 43 fixed on the outer surface of rotating column 42 rotate synchronously, the material on the bearing plate 11 is dispersed, makes the material more evenly distributed in the falling process;

[0030] Meanwhile, the hot gas enters the communicating groove 31 from the air inlet pipe 7, the communicating groove 31 and the annular groove 421 on the outer surface of rotating column 42 are mutually conducted, the hot gas flows into the annular groove 421, then enters the gas conveying groove 431 in the inside of inverted V-shaped powder plate 43 through the air inlet grooves 422 on the inner wall lower surface of annular groove 421, the exhaust holes 432 on the inner wall lower surface of gas conveying groove 431 spray out the hot gas, the hot gas flows along the inverted V-shaped powder plate 43 to both sides, fully contacts with the dispersed material, takes away the moisture in the material through heat exchange, realizes the drying of the material, the waste gas generated in the drying process is discharged through the exhaust pipe 8;

[0031] When the rotating column 42 rotates, the connecting column 441 fixedly connected with the rotating column 42 rotates synchronously, the connecting column 441 drives the threaded feeding plate 442 to rotate, the threaded feeding plate 442 sends out the dry material accumulated in the discharging hopper 6, meanwhile, the connecting rod 443 on the outer surface of the connecting column 441 rotates with the connecting column 441, drives the rotating scraper 444 to slide closely to the inner wall of the discharging hopper 6, scrapes off the material adhered to the inner wall of the discharging hopper 6, prevents the material from accumulating, ensures the smooth discharging, and guarantees that the equipment can continuously and stably operate.

[0032] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the technical scheme of the present application, still falls within the protection scope of the present application.

Claims

1. A fluidized bed drying tower for powder coatings, comprising a drying tank (1), wherein a top cover (3) is fixedly connected to the top of the drying tank (1), a feed inlet (5) is provided on the right side of the top of the top cover (3), a discharge hopper (6) is fixedly connected to the bottom of the drying tank (1), and a support leg (2) is fixedly connected to the outer surface of the discharge hopper (6), characterized in that: The top center of the top cover (3) is provided with a material dispersion assembly (4), the top rear side of the top cover (3) is fixedly connected with an air inlet pipe (7), and the top left side of the top cover (3) is fixedly connected with an air exhaust pipe (8) penetrating up and down. The material dispersion assembly (4) comprises a rotating column (42) which is rotatably connected to the middle part of the top cover (3), the bottom end of the rotating column (42) penetrates into the inside of the drying tank (1) and the outer surface of the rotating column (42) is fixedly connected with nine inverted V-shaped powder plates (43), the bottom end of the inverted V-shaped powder plate (43) is fixedly connected with a discharging rack (44), the discharging rack (44) is arranged on the inner surface of the discharging hopper (6), the inner surface of the drying tank (1) is fixedly connected with three bearing plates (11), a plurality of discharging holes (12) penetrating up and down are formed in the inside of the bearing plate (11), and the three inverted V-shaped powder plates (43) at the same height are rotatably connected to the top of the bearing plate (11). The middle part of the top cover (3) is provided with a communication groove (31), the bottom end of the air inlet pipe (7) penetrates into the inside of the communication groove (31), the outer surface of the rotating column (42) is provided with an annular groove (421) at the top, the annular groove (421) and the inside of the communication groove (31) are in communication with each other, and the inner wall of the annular groove (421) is annularly arranged with three air inlet grooves (422) on the lower surface.

2. A fluid bed drying tower for powder coatings according to claim 1, characterized in that: The material dispersion assembly (4) comprises a driving motor (41) which is fixedly connected to the top end of the top cover (3), and the output shaft of the driving motor (41) is fixedly connected with the top end of the rotating column (42).

3. A fluid bed drying tower for powder coatings according to claim 1, characterized in that: The inside of the inverted V-shaped powder plate (43) is provided with a gas conveying groove (431) above, and one end of the gas conveying groove (431) close to the rotating column (42) penetrates into the inside of the air inlet groove (422).

4. A fluid bed drying tower for powder coatings according to claim 3, characterised in that: The inner wall of the gas conveying groove (431) is provided with a plurality of air exhaust holes (432) on the lower surface, the bottom end of the air exhaust hole (432) penetrates into the bottom of the inverted V-shaped powder plate (43), and the inner surface of the air exhaust hole (432) is fixedly connected with a filter screen (433).

5. A fluid bed drying tower for powder coatings according to claim 1, characterized in that: The discharging rack (44) comprises a connecting column (441) which is fixedly connected to the bottom end of the rotating column (42), and the outer surface of the connecting column (441) is threadedly connected with a threaded feeding plate (442).

6. A fluid bed drying tower for powder coatings according to claim 5, characterized in that: The outer surface of the connecting column (441) is fixedly connected with four connecting rods (443) on the upper and lower sides, the ends of the two connecting rods (443) away from the connecting column (441) are fixedly connected with a rotating scraper (444), and the outer surface of the rotating scraper (444) is slidably connected with the inner surface of the discharging hopper (6).

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