A spray dryer for preventing materials from sticking

Abstract

The utility model relates to the field of spray dryers, in particular to a spray dryer for preventing materials from sticking. A fixing seat is fixedly arranged at the bottom of the high-speed centrifugal atomizing nozzle, a motor is fixedly arranged at one side of the tank body, a driving shaft penetrating the fixing seat is arranged at the output end of the motor, the driving shaft is rotatably connected with the fixing seat, a protection box and a rotating shaft are arranged inside the tank body, the protection box is fixed inside the tank body through a reinforcing rod, the driving shaft penetrates the protection box, and starting the motor can make the driving shaft drive the driving block to rotate, thereby making the rotating shaft drive the stirring rod and the scraping rod to rotate, and the stirring rod can provide a mixing effect to the dried material in the tank body during the rotation process, and can provide a scraping effect to the inner wall of the tank body through the provided scraping rod, so as to prevent solid particles from adhering to the inner wall of the tank body.

Description

Technical Field

[0001] The utility model relates to the field of spray dryers, in particular to a spray dryer capable of preventing materials from sticking. Background Art

[0002] As we all know, spray dryer is a commonly used solid-liquid separation equipment, which is mainly used to spray liquid materials into the drying chamber through the spray head to achieve rapid drying and granulation. This equipment is suitable for a wide range of industrial fields, including food processing, medicine, chemical industry, metallurgy, etc.

[0003] The existing spray drying has a simple internal structure when in use, and lacks a structure for scraping the material, which causes the material to easily stick in the drying chamber. At the same time, the solid particles of the material are easily adhered to the inner wall of the drying chamber after drying, which makes manual cleaning cumbersome. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a spray dryer which can prevent materials from sticking.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spray dryer for preventing materials from sticking, comprising a tank body and a bottom tank, the bottom tank is fixed at the bottom of the tank body, a high-speed centrifugal atomizing nozzle is fixedly arranged on the top of the tank body, a fixing seat is fixedly arranged at the bottom of the high-speed centrifugal atomizing nozzle, a motor is fixedly arranged on one side of the tank body, a driving shaft penetrating the fixing seat is arranged at the output end of the motor, the driving shaft is rotatably connected with the fixing seat, a protection box and a rotating shaft are arranged inside the tank body, the protection box is fixed inside the tank body through a reinforcing rod, the driving shaft penetrates the protection box, and the driving shaft is rotatably connected with the protection box, a driving block is fixedly arranged at one end of the driving shaft, the bottom end of the rotating shaft penetrates the protection box, the rotating shaft is rotatably connected with the protection box, a driven block is fixedly arranged at the bottom of the rotating shaft, the driving block is meshed with the driven block, a plurality of stirring rods are arranged on the outer wall of the rotating shaft, scraping rods are fixedly arranged on both sides of the rotating shaft, and the scraping rods contact the inner wall of the tank body.

[0008] In order to facilitate the assembly of the protection box, the utility model has the following improvements: one end of the reinforcing rod is provided with a fixing plate, and the fixing plate is fixed to the inner wall of the tank body by screws.

[0009] In order to facilitate the disassembly of the tank body and the bottom tank, the utility model has the following improvements: a butt joint plate is provided at the lower end of the tank body and the upper end of the bottom tank, and the two butt joint plates are fixed by bolts.

[0010] Furthermore, the utility model is improved in that the motor is a servo motor.

[0011] Furthermore, the utility model has the following improvements: a plurality of sealed bearings are provided on the protection box, and the sealed bearings are respectively penetrated by the driving shaft and the rotating shaft.

[0012] In order to facilitate the assembly of the motor, the utility model has the following improvements: the motor is fixed to one side of the tank body by a support rod, a mounting plate is fixedly provided on the top of the support rod, and the mounting plate is fixed to the outer wall of the tank body by screws.

[0013] Furthermore, the utility model is improved in that a bottom cover is provided at the lower end of the protection box.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a spray dryer for preventing materials from sticking, which has the following beneficial effects:

[0016] The spray dryer for preventing material from sticking, when the motor is started, can make the driving shaft drive the driving block to rotate, so that the rotating shaft can drive the stirring rod and the scraping rod to rotate, and the stirring rod can provide a mixing effect to the dried material in the tank body during the rotation process, and the scraping rod can provide a scraping effect to the inner wall of the tank body, so as to prevent solid particles from sticking to the inner wall of the tank body;

[0017] Here, the protective box is provided to provide a protective function for the joint between the driving block and the driven block, and can improve the stability of the driving block and the driven block when they are matched. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0020] Figure 3 This is a schematic diagram of the structure of the protective box in the utility model;

[0021] In the figure: 1. tank body; 2. bottom tank; 3. motor; 4. support rod; 5. drive shaft; 6. fixed seat; 7. docking plate; 8. high-speed centrifugal atomizing nozzle; 9. protective box; 10. reinforcing rod; 11. drive block; 12. rotating shaft; 13. stirring rod; 14. scraper rod; 15. driven block; 16. bottom cover. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 A spray dryer for preventing materials from sticking comprises a tank body 1 and a bottom tank 2, wherein the bottom tank 2 is fixed at the bottom of the tank body 1, a high-speed centrifugal atomizing nozzle 8 is fixedly arranged on the top of the tank body 1, a fixing seat 6 is fixedly arranged at the bottom of the high-speed centrifugal atomizing nozzle 8, a motor 3 is fixedly arranged on one side of the tank body 1, a driving shaft 5 penetrating the fixing seat 6 is arranged at the output end of the motor 3, the driving shaft 5 is rotatably connected with the fixing seat 6, a protection box 9 and a rotating shaft 12 are arranged inside the tank body 1, the protection box 9 is fixed inside the tank body 1 through a reinforcing rod 10, the driving shaft 5 penetrates the protection box 9, and the driving shaft 5 is rotatably connected with the protection box 9, a driving block 11 is fixedly arranged at one end of the driving shaft 5, the bottom end of the rotating shaft 12 penetrates the protection box 9, the rotating shaft 12 is rotatably connected with the protection box 9, a driven block 15 is fixedly arranged at the bottom of the rotating shaft 12, the driving block 11 is meshed with the driven block 15, and a plurality of stirring rods 13 are arranged on the outer wall of the rotating shaft 12 , scraper rods 14 are fixedly arranged on both sides of the rotating shaft 12, and the scraper rods 14 contact the inner wall of the tank body 1. The liquid material enters the tank body 1 through the high-speed centrifugal atomizing nozzle 8. The liquid material is first sprayed out through the sprayer to form tiny granular droplets. These tiny droplets enter the drying chamber and contact with hot air in the chamber. After spraying, the droplets contact with the hot air, so that the water or solvent in the liquid material evaporates rapidly to form dry granular materials. The dried granular materials and residual gas can be separated by cyclone separators or bag dust collectors and other equipment. In this process, starting the motor 3 can make the drive shaft 5 drive the drive block 11 to rotate, so that the rotating shaft 12 can drive the stirring rod 13 and the scraper rod 14 to rotate. During the rotation process, the stirring rod 13 can provide a mixing effect to the dried material in the tank body 1. Through the scraper rod 14, a scraping effect can be provided to the inner wall of the tank body 1, which can prevent solid particles from adhering to the inner wall of the tank body 1;

[0024] Here, the protective box 9 can provide a protective function for the joint between the driving block 11 and the driven block 15, and can improve the stability of the driving block 11 and the driven block 15 when they are matched.

[0025] In this structure, a fixing plate is provided at one end of the reinforcing rod 10, and the fixing plate is fixed to the inner wall of the tank body 1 by screws. The screw fixing method can facilitate the assembly of the protection box 9.

[0026] Furthermore, a docking plate 7 is provided at the lower end of the tank body 1 and the upper end of the bottom tank 2. The two docking plates 7 are fixed by bolts. The bolt fixing method can facilitate the disassembly of the tank body 1 and the bottom tank 2.

[0027] Furthermore, the motor 3 can be a servo motor, and the protective box 9 is provided with a plurality of sealed bearings, which are respectively penetrated by the driving shaft 5 and the rotating shaft 12, so that the driving shaft 5 and the rotating shaft 12 can rotate more smoothly.

[0028] In this structure, the motor 3 is fixed to one side of the tank body 1 by a support rod 4, a mounting plate is fixed to the top of the support rod 4, and the mounting plate is fixed to the outer wall of the tank body 1 by screws, so that the motor 3 can be easily assembled.

[0029] Furthermore, a bottom cover 16 is provided at the lower end of the protection box 9 , and the bottom cover 16 is fixed to the lower end of the protection box 9 by screws, so that the driving block 11 and the driven block 15 can be easily assembled.

[0030] In the description of this article, it should be noted that relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spray dryer for preventing materials from sticking, comprising a tank body (1) and a bottom tank (2), wherein the bottom tank (2) is fixed to the bottom of the tank body (1), and a high-speed centrifugal atomizing nozzle (8) is fixedly arranged on the top of the tank body (1), characterized in that: A fixing seat (6) is fixedly arranged at the bottom of the high-speed centrifugal atomizing nozzle (8); a motor (3) is fixedly arranged on one side of the tank body (1); a driving shaft (5) penetrating the fixing seat (6) is arranged at the output end of the motor (3); the driving shaft (5) is rotatably connected to the fixing seat (6); a protection box (9) and a rotating shaft (12) are arranged inside the tank body (1); the protection box (9) is fixed inside the tank body (1) via a reinforcing rod (10); the driving shaft (5) penetrates the protection box (9); and the driving shaft (5) is rotatably connected to the protection box (9). The protective box (9) is rotatably connected to the rotating shaft (12), a driving block (11) is fixedly arranged at one end of the driving shaft (5), the bottom end of the rotating shaft (12) passes through the protective box (9), the rotating shaft (12) is rotatably connected to the protective box (9), a driven block (15) is fixedly arranged at the bottom of the rotating shaft (12), the driving block (11) is meshed with the driven block (15), a plurality of stirring rods (13) are arranged on the outer wall of the rotating shaft (12), and scraping rods (14) are fixedly arranged on both sides of the rotating shaft (12), and the scraping rods (14) contact the inner wall of the tank body (1).

2. A spray dryer for preventing materials from sticking according to claim 1, characterized in that: A fixing plate is provided at one end of the reinforcing rod (10), and the fixing plate is fixed to the inner wall of the tank body (1) by means of screws.

3. A spray dryer for preventing materials from sticking according to claim 2, characterized in that: The lower end of the tank body (1) and the upper end of the bottom tank (2) are both provided with a docking plate (7), and the two docking plates (7) are fixed by bolts.

4. A spray dryer for preventing materials from sticking according to claim 3, characterized in that: The motor (3) is a servo motor.

5. A spray dryer for preventing materials from sticking according to claim 4, characterized in that: The protection box (9) is provided with a plurality of sealed bearings, and the sealed bearings are respectively penetrated by the drive shaft (5) and the rotating shaft (12).

6. A spray dryer for preventing materials from sticking according to claim 5, characterized in that: The motor (3) is fixed to one side of the tank body (1) via a support rod (4); a mounting plate is fixedly arranged on the top of the support rod (4); and the mounting plate is fixed to the outer wall of the tank body (1) via screws.

7. A spray dryer for preventing materials from sticking according to claim 6, characterized in that: A bottom cover (16) is provided at the lower end of the protection box (9).

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