CN219551047U

CN219551047U - Powder coating dryer

Info

Publication number: CN219551047U
Application number: CN202321274573.4U
Authority: CN
Inventors: 项小森; 詹其林; 王招菊; 项炳洋
Original assignee: Fujian Liansai Technology Co ltd
Current assignee: Fujian Liansai Technology Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-08-18
Anticipated expiration: 2033-05-24

Abstract

The utility model belongs to the technical field of powder drying, and discloses a powder coating dryer, aiming at the problems of the background technology, the utility model provides the following scheme, which comprises a drying shell, and is characterized in that drying components are arranged on the outer walls of two sides of the drying shell, a cylindrical screen shell is arranged on the inner wall of the drying shell, a stirring component is arranged in the cylindrical screen shell, a dust concentration sensor is arranged on the inner wall of the top of the drying shell, an exhaust pipe is communicated with the outer wall of one side of the drying shell, and an auxiliary heating component is arranged below the cylindrical screen shell. According to the utility model, after the wet powder is partially dried, the semi-dried powder particles can fall on the L-shaped drying plate for further heating and drying treatment, so that the drying effect can be improved, and the flying dust in the interior is detected by the dust concentration sensor, and is extracted when the concentration reaches a dangerous critical value, so that the safety in the interior is ensured.

Description

Powder coating dryer

Technical Field

The utility model relates to the technical field of powder drying, in particular to a powder coating dryer.

Background

The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler, auxiliary agent and the like. Unlike common solvent-based paint and water-based paint, its dispersion medium is not solvent and water, but air. It has the characteristics of no solvent pollution, 100% film formation and low energy consumption. Powder coating has thermoplasticity and thermosetting two kinds, and at present in the in-process of processing stoving to powder coating, current drying equipment can have some problems:

1. the drying efficiency is poor, and the drying time is long. In the existing drying equipment, more dust is accumulated inside in the process of processing and drying the powder coating, so that the moisture is in contact with the dried powder for drying, the moisture is continuously conducted, the drying time is prolonged, and the drying efficiency is reduced;

2. there is a certain potential safety hazard. In the process of drying powder, the powder is filled in the drying equipment, and because the internal temperature is higher, potential safety hazards of dust explosion exist.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a powder coating dryer, which overcomes the defects of the prior art through the matching use of a drying component and a stirring component, and effectively solves the two problems of poor drying efficiency, long drying time and certain potential safety hazard in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a powder coating drying-machine, includes the stoving casing, its characterized in that, the both sides outer wall of stoving casing all is equipped with stoving subassembly, and the inner wall of stoving casing is equipped with cylindricality screen cloth shell, the inside of cylindricality screen cloth shell is provided with stirring subassembly, and the top inner wall of stoving casing installs dust concentration sensor, one side outer wall intercommunication of stoving casing has the exhaust tube, the below that stoving casing is located cylindricality screen cloth shell is equipped with auxiliary heating subassembly.

Through the scheme, when the powder coating dryer is used, the powder coating dryer is connected with an external power supply to carry out debugging treatment, then the first electric heating wire is started, so that the metal heat conducting sheet is subjected to heating treatment, then the wet powder is poured into the interior of the feed hopper, and the sealing cover is covered, so that the servo motor is started, the servo motor is used for driving the vent pipe to continuously rotate, so that the wet powder is stirred and scattered, in the stirring process, hot air is introduced into one end of the vent pipe, so that heat is transferred to the interior of the arc-shaped heat conducting sheet by utilizing heat conduction, thereby accelerating powder drying, semi-dried powder particles can fall above the L-shaped drying plate, the second electric heating wire below the L-shaped drying plate can heat the L-shaped drying plate, so that the powder flowing on the L-shaped drying plate is further subjected to drying treatment, the dried powder is discharged from the discharge pipe, in the drying process, the dust concentration sensor is used for detecting the internal concentration, and the exhaust pipe is used for exhausting when the concentration is too high.

Preferably, the drying component comprises first electric heating wires which are linearly arranged on the outer walls of the two sides of the drying shell, a protective cover is arranged on the side wall of the first electric heating wires, and metal heat conducting sheets which are equidistantly distributed are arranged on the inner walls of the two sides of the drying shell.

Through the scheme, the electric heating wire is matched with the metal heat conducting fin to dry the powder.

Preferably, the stirring assembly comprises a vent pipe penetrating through the inner wall of the cylindrical screen shell, communicating pipes distributed at equal intervals penetrate through the inner wall of the vent pipe, and the tail ends of the communicating pipes are connected with arc-shaped heat conducting fins.

Through foretell scheme, constantly lets in steam to the breather pipe inside, can be with heat conduction at arc conducting strip to can accelerate moist powder and dry.

Preferably, a belt pulley is arranged on the outer wall of one end of the vent pipe, the belt pulleys are connected through belt transmission, and the belt pulley is connected with a servo motor.

Through foretell scheme, servo motor drives the breather pipe and rotates to can accelerate rotatory stoving.

Preferably, the center of the top of the cylindrical screen shell is communicated with a feed hopper, and the top of the feed hopper is hinged with a sealing cover.

Through foretell scheme, the sealed lid that the feeder hopper top set up can avoid powder to splash.

Preferably, the auxiliary heating component comprises an L-shaped drying plate fixed below the cylindrical screen shell, and second electric heating wires distributed at equal intervals are arranged on the outer walls of the two sides of the bottom of the L-shaped drying plate along the line.

Through the scheme, the L-shaped drying plate arranged at the bottom can further dry the powder falling from the semi-drying process.

Preferably, guide plates are arranged on the outer walls of two sides of the bottom of the drying shell along the inclined direction, and a discharge pipe is communicated with the outer wall of the bottom of the drying shell.

Through foretell scheme, the guide plate can let dry powder derive fast, avoids piling up.

Compared with the prior art, the utility model provides a powder coating dryer, which has the following beneficial effects:

1. according to the powder coating dryer, the electric heating wires arranged on the two sides are matched with the heat conduction of the metal heat conducting sheets, and the heated arc-shaped heat conducting sheets are combined to continuously stir and heat the wet powder, so that the drying treatment of the powder can be accelerated;

2. the powder coating drying-machine of this design, after the moist powder carries out the partial drying, semi-dried powder granule can drop and carry out further heating drying treatment on L type stoving board to can improve the stoving effect, and the dust that the inside flies upward utilizes dust concentration sensor to detect, then takes out when concentration reaches dangerous critical value, thereby ensures inside security.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure and is convenient to operate.

Drawings

FIG. 1 is a front view showing the overall structure of a powder coating dryer according to the present utility model;

fig. 2 is a schematic diagram of the internal structure of a drying shell of a powder coating dryer according to the present utility model;

FIG. 3 is a schematic view of a first view angle structure of a powder coating dryer according to the present utility model;

fig. 4 is a schematic view of a cylindrical screen shell structure of a powder coating dryer according to the present utility model.

In the figure: 1 drying shell, 2 first electric heating wire, 3 protection casing, 4 metal heat conducting strip, 5 cylindricality screen cloth shells, 6 feeder hopper, 7 breather pipe, 8 communicating pipes, 9 arc heat conducting strip, 10 belt pulley, 11 servo motor, 12 dust concentration sensor, 13 exhaust tube, 14 row material pipe, 15L formula drying plate, 16 second electric heating wire, 17 guide plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, a powder coating dryer includes a drying case 1, wherein both side outer walls of the drying case 1 are provided with drying components, and an inner wall of the drying case 1 is provided with a cylindrical screen case 5, and the drying components include first electric heating wires 2 linearly arranged on both side outer walls of the drying case 1;

the side wall of the first electric heating wire 2 is provided with a protective cover 3, the center of the top of the cylindrical screen shell 5 is communicated with a feed hopper 6, the top of the feed hopper 6 is hinged with a sealing cover, and the inner walls of the two sides of the drying shell 1 are provided with metal heat conducting fins 4 distributed at equal distances;

the electric heating wires arranged on the two sides are matched with the heat conduction of the metal heat conducting fin 4, and the heated arc-shaped heat conducting fin 9 is combined to continuously stir and heat the wet powder, so that the drying treatment of the powder can be accelerated;

the stirring subassembly is including running through the breather pipe 7 at cylindricality screen cloth shell 5 inner wall, and the inner wall of breather pipe 7 runs through there is equidistant communicating pipe 8 that distributes, and the end-to-end connection of communicating pipe 8 has arc conducting strip 9, and the inside of cylindricality screen cloth shell 5 is provided with the stirring subassembly, and the dust concentration sensor 12 is installed to the top inner wall of stoving casing 1.

Referring to fig. 1, the auxiliary heating assembly includes an L-shaped drying plate 15 fixed under a cylindrical screen case 5, and second electric heating wires 16 distributed at equal distances are provided along the outer walls of both sides of the bottom of the L-shaped drying plate 15;

the belt pulley 10 is arranged on the outer wall of one end of the ventilation pipe 7, the belt pulleys 10 are connected through belt transmission, the belt pulley 10 is connected with the servo motor 11, and the exhaust pipe 13 is communicated with the outer wall of one side of the drying shell 1;

after the wet powder is partially dried, the semi-dried powder particles fall on the L-shaped drying plate 15 for further heating and drying treatment, so that the drying effect can be improved, and the flying dust in the interior is detected by the dust concentration sensor 12, and is extracted when the concentration reaches a dangerous critical value, so that the safety in the interior is ensured;

the drying shell 1 is located the below of cylindricality screen cloth shell 5 and is equipped with supplementary hot subassembly, and drying shell 1's bottom both sides outer wall all is provided with guide plate 17 along the incline direction, and drying shell 1's bottom outer wall intercommunication has row material pipe 14.

The working principle of the powder coating dryer is as follows:

when the powder coating dryer is used, the powder coating dryer is firstly connected with an external power supply to carry out debugging treatment, then the first electric heating wire 2 is started, so that the metal heat conducting fin 4 is subjected to heating treatment, then moist powder is poured into the interior of the feed hopper 6, the sealing cover is covered, so that the servo motor 11 is started, the servo motor 11 is used for driving the vent pipe 7 to continuously rotate, so that the moist powder is stirred and scattered, in the stirring process, hot air is introduced into one end of the vent pipe 7, so that heat is transferred to the interior of the arc-shaped heat conducting fin 9 by utilizing heat conduction, the powder drying is accelerated, semi-dried powder particles fall above the L-shaped drying plate 15, the second electric heating wire 16 below the L-shaped drying plate 15 is used for heating the L-shaped drying plate 15, so that the powder flowing on the L-shaped drying plate 15 is further subjected to drying treatment, the dried powder is discharged from the discharge pipe 14, in the drying process, the dust concentration sensor 12 is used for detecting the internal concentration, and when the concentration is too high, the powder is pumped out by the suction pipe 13.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a powder coating drying-machine, includes stoving casing (1), its characterized in that, the both sides outer wall of stoving casing (1) all is equipped with stoving subassembly, and the inner wall of stoving casing (1) is equipped with cylindricality screen cloth shell (5), the inside of cylindricality screen cloth shell (5) is provided with stirring subassembly, and the top inner wall of stoving casing (1) installs dust concentration sensor (12), one side outer wall intercommunication of stoving casing (1) has exhaust tube (13), the below that stoving casing (1) is located cylindricality screen cloth shell (5) is equipped with auxiliary heating subassembly.

2. A powder coating dryer according to claim 1, characterized in that the drying assembly comprises first electric heating wires (2) which are linearly arranged on the outer walls of the two sides of the drying shell (1), and the side walls of the first electric heating wires (2) are provided with protective covers (3), and the inner walls of the two sides of the drying shell (1) are provided with metal heat conducting sheets (4) which are equidistantly distributed.

3. A powder coating material dryer according to claim 1, characterized in that the stirring assembly comprises a vent pipe (7) penetrating through the inner wall of the cylindrical screen shell (5), communicating pipes (8) distributed at equal distances are penetrated through the inner wall of the vent pipe (7), and the tail ends of the communicating pipes (8) are connected with arc-shaped heat conducting fins (9).

4. A powder paint dryer according to claim 3, characterized in that the outer wall of one end of the breather pipe (7) is provided with a belt pulley (10), and the belt pulleys (10) are connected by belt transmission, and the belt pulley (10) is connected with a servo motor (11).

5. A powder paint dryer according to claim 1, characterized in that the centre of the top of the cylindrical screen shell (5) is connected with a feed hopper (6), and the top of the feed hopper (6) is hinged with a sealing cover.

6. A powder coating material dryer according to claim 1, characterized in that the auxiliary heating assembly comprises an L-shaped drying plate (15) fixed below the cylindrical screen shell (5), and that the outer walls of both sides of the bottom of the L-shaped drying plate (15) are provided with second electric heating wires (16) distributed equidistantly along the line.

7. A powder coating dryer according to claim 1, characterized in that the outer walls of both sides of the bottom of the drying shell (1) are provided with guide plates (17) along the inclined direction, and the outer walls of the bottom of the drying shell (1) are communicated with a discharge pipe (14).