Closed spray dryer with inner wall convenient to clean

Abstract

The utility model discloses a closed type spray dryer convenient to clean an inner wall, which comprises a shell, a sealing shell and a driving and cleaning mechanism, the sealing shell is arranged at the top of the shell, the driving and cleaning mechanism is arranged on the sealing shell and comprises a servo motor, the servo motor is mounted on the right side of the top of the sealing shell, and the driving and cleaning mechanism is arranged on the sealing shell. A servo motor is installed in the sealing shell, a fixing shaft is installed at the output bottom end of the servo motor, the bottom end of the fixing shaft penetrates through the sealing shell and extends into the sealing shell, and the limiting disassembly and assembly mechanism is arranged on the sealing shell and comprises an annular insertion block. Through mutual cooperation of the servo motor, the fixed shaft, the driving gear, the connecting groove, the annular plate, the moving block, the driven gear, the positioning block, the annular groove, the connecting block and the scraper, dirt left on the inner wall of the shell can be conveniently scraped and cleaned, so that the dirt is prevented from influencing subsequent material processing, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spray dryers, in particular to a closed spray dryer with an inner wall that is easy to clean. Background Art

[0002] Closed spray dryers are used to dry materials that are sensitive to oxygen and water in the air. The solvents can be organic solvents such as methanol, ethanol, butanone, toluene, etc. During the production process, high-temperature drying particles are easily directly baked on the inner wall of the dryer at high temperatures for a long time, causing burnt and scale accumulation.

[0003] According to the application number: CN202222916378.9, a nozzle for a centrifugal spray dryer includes: a centrifugal spray dryer body; and a conveying cylinder, which is fixedly connected to the centrifugal spray dryer body and extends to the outside of the centrifugal spray dryer body; a rotating tube, which is arranged inside the conveying cylinder and extends to the bottom of the conveying cylinder; and a liquid storage cavity, which is fixedly connected to the rotating tube.

[0004] The spray dryer in the above case does not have the effect of cleaning the inner wall, resulting in a large amount of dirt on the inner wall after long-term use of the spray dryer, which seriously affects the subsequent processing and drying effect of the material. For this reason, we provide a closed spray dryer that is easy to clean the inner wall. Utility Model Content

[0005] The utility model aims to provide a closed spray dryer with an inner wall that is easy to clean, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a closed spray dryer that is easy to clean the inner wall, comprising:

[0007] case;

[0008] A sealing shell, wherein the sealing shell is arranged on the top of the housing;

[0009] A driving cleaning mechanism, which is arranged on the sealing shell and includes a servo motor, which is installed on the right side of the top of the sealing shell, and a fixed shaft is installed at the bottom end of the output of the servo motor, and the bottom end of the fixed shaft penetrates the sealing shell and extends into the interior thereof;

[0010] The position limiting and disassembling mechanism is arranged on the sealing shell, and the position limiting and disassembling mechanism comprises an annular plug-in block, and the annular plug-in block is installed at the bottom of the sealing shell.

[0011] Preferably, a driving gear is installed on the surface of the fixed shaft, a connecting groove is opened on the top of the inner wall of the sealing shell, an annular plate is arranged on the left side of the fixed shaft, moving blocks are installed on the left and right sides of the top of the annular plate, and a driven gear meshing with the driving gear is installed on the surface of the annular plate.

[0012] Preferably, the top of the movable block passes through the connecting groove and extends to the inside of the connecting groove to rotate and contact with the inner wall of the connecting groove. Positioning blocks are installed on the tops of the two movable blocks on the sides away from each other. An annular groove is provided on the inner wall of the connecting groove for use with the two positioning blocks. The side of the positioning block close to the annular groove passes through the annular groove and extends to the inside of the annular groove to rotate and contact with the inner wall of the annular groove.

[0013] Preferably, a connecting block is installed on the right side of the bottom of the annular plate, and a scraper used in conjunction with the shell is installed on the bottom of the connecting block.

[0014] Preferably, an annular slot adapted for an annular plug is provided on the top of the shell, the bottom of the annular plug passes through the annular slot and extends inside thereof to contact the inner wall of the annular slot, and fastening bolts threadedly connected to the annular plug are provided on both the left and right sides of the shell.

[0015] Preferably, a feed pump is installed on the top of the sealing shell, a transmission pipe is installed on the bottom of the feed pump, the bottom end of the transmission pipe passes through the sealing shell, the connecting groove and the annular plate from top to bottom in sequence and extends to the outside of the annular plate, and an atomizing nozzle is installed on the bottom end of the transmission pipe.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. The utility model facilitates the scraping and cleaning of the residual dirt on the inner wall of the shell through the mutual cooperation of the servo motor, the fixed shaft, the driving gear, the connecting groove, the annular plate, the moving block, the driven gear, the positioning block, the annular groove, the connecting block and the scraper, thereby avoiding the dirt from affecting the subsequent material processing and improving the practicality.

[0018] 2. The utility model facilitates the separation of the sealing shell and the housing through the cooperation of the annular plug, the annular slot and the fastening bolts, facilitates the maintenance and repair of the structure on the sealing shell, and improves the flexibility during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 It is a structural cross-sectional view of the front view of the utility model;

[0021] Figure 3It is a structural cross-sectional view of the front view of the driving cleaning mechanism and the limiting disassembly and assembly mechanism of the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the bottom view of the sealing shell, the connecting groove and the annular groove of the utility model.

[0023] In the figure: 1 shell, 11 sealing shell, 12 material pump, 13 transmission pipe, 14 atomizing nozzle, 2 driving cleaning mechanism, 21 servo motor, 22 fixed shaft, 23 driving gear, 24 connecting groove, 25 annular plate, 26 moving block, 200 driven gear, 27 positioning block, 28 annular groove, 29 connecting block, 210 scraper, 3 limiting disassembly mechanism, 31 annular plug block, 32 annular slot, 33 fastening bolt. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-4 A closed spray dryer with an easy-to-clean inner wall comprises: a shell 1 and a sealing shell 11, wherein the sealing shell 11 is arranged on the top of the shell 1, the bottom of the sealing shell 11 is in contact with the top of the shell 1, a hot air blower which is interconnected with the shell 1 is fixedly connected to the left side of the shell 1, and a discharge pipe which is interconnected with the shell 1 is installed at the bottom of the shell 1.

[0026] A driving cleaning mechanism 2 is arranged on the sealed shell 11. The driving cleaning mechanism 2 includes a servo motor 21. The servo motor 21 is installed on the right side of the top of the sealed shell 11. The bottom end of the output of the servo motor 21 is fixedly connected with a fixed shaft 22. The bottom end of the fixed shaft 22 penetrates the sealed shell 11 and extends to the inside thereof. The surface of the fixed shaft 22 is fixedly connected with a driving gear 23. A connecting groove 24 is provided at the top of the inner wall of the sealed shell 11. An annular plate 25 is provided on the left side of the fixed shaft 22. Moving blocks 26 are fixedly connected to the left and right sides of the top of the annular plate 25. A driven gear 200 meshing with the driving gear 23 is fixedly connected to the surface of the annular plate 25. The top of the moving block 26 penetrates the connecting groove 24 and extends to the inside thereof and rotates with the inner wall of the connecting groove 24. Dynamic contact, the tops of the two moving blocks 26 that are away from each other are fixedly connected with positioning blocks 27, and the inner wall of the connecting groove 24 is provided with an annular groove 28 for use with the two positioning blocks 27, and the side of the positioning block 27 close to the annular groove 28 penetrates the annular groove 28 and extends to its inside to rotate and contact with the inner wall of the annular groove 28. By arranging the moving block 26, the positioning block 27 and the annular groove 28, the stability of the annular plate 25 during movement is improved, and a connecting block 29 is fixedly connected to the right side of the bottom of the annular plate 25, and a scraper 210 used in conjunction with the shell 1 is fixedly connected to the bottom of the connecting block 29, and the side of the scraper 210 close to the inner wall of the shell 1 is in contact with the inner wall of the shell 1, and the side of the scraper 210 close to the inner wall of the sealing shell 11 is in contact with the inner wall of the sealing shell 11.

[0027] Furthermore, a top plate is installed on the right side of the inner wall of the sealing shell 11 , and a bearing movably connected to the fixed shaft 22 is installed in the groove at the top of the top plate.

[0028] Through the cooperation of the servo motor 21, the fixed shaft 22, the driving gear 23, the connecting groove 24, the annular plate 25, the moving block 26, the driven gear 200, the positioning block 27, the annular groove 28, the connecting block 29 and the scraper 210, it is convenient to scrape and clean the dirt remaining on the inner wall of the shell 1, thereby avoiding the dirt from affecting the subsequent material processing and improving the practicality.

[0029] The top of the sealing shell 11 is fixedly connected to a suction pump 12, the bottom of the suction pump 12 is fixedly connected to a transmission pipe 13, the bottom end of the transmission pipe 13 passes through the sealing shell 11, the connecting groove 24 and the annular plate 25 from top to bottom and extends to the outside of the annular plate 25, and the bottom end of the transmission pipe 13 is fixedly connected to an atomizing nozzle 14.

[0030] The limiting disassembly mechanism 3 is arranged on the sealing shell 11. The limiting disassembly mechanism 3 includes an annular plug 31, which is installed at the bottom of the sealing shell 11. The top of the shell 1 is provided with an annular slot 32 adapted to the annular plug 31. The bottom of the annular plug 31 passes through the annular slot 32 and extends to its inside to contact with the inner wall of the annular slot 32. The left and right sides of the shell 1 are provided with fastening bolts 33 threadedly connected to the annular plug 31.

[0031] Specifically, the fastening bolts 33 are loosened, and then the sealing shell 11 is pulled upward, so that the sealing shell 11 drives the annular plug 31 and the annular slot 32 to separate, and the sealing shell 11 and the housing 1 can be separated.

[0032] Through the cooperation between the annular insert block 31, the annular slot 32 and the fastening bolts 33, the sealing shell 11 and the housing 1 can be easily separated, and the structure on the sealing shell 11 can be easily maintained and repaired, thereby improving the flexibility during use.

[0033] When in use, the liquid is sprayed out through the atomizing nozzle 14 by the suction pump 12 and dried by the hot air blower. When the residue on the inner wall of the shell 1 needs to be scraped off, the servo motor 21 is started. The servo motor 21 drives the fixed shaft 22 to rotate through the output shaft. The fixed shaft 22 drives the driven gear 200 and the annular plate 25 to rotate through the driving gear 23. The annular plate 25 drives the positioning block 27 to rotate in the annular groove 28 through the moving block 26. The annular plate 25 drives the scraper 210 to rotate through the connecting block 29, so that the scraper 210 can scrape off the residue on the inner wall of the shell 1.

[0034] 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 closed spray dryer that is easy to clean the inner wall, characterized in that: include: Housing (1); A sealing shell (11), wherein the sealing shell (11) is arranged on the top of the housing (1); A driving cleaning mechanism (2), the driving cleaning mechanism (2) being arranged on the sealing shell (11), the driving cleaning mechanism (2) comprising a servo motor (21), the servo motor (21) being mounted on the right side of the top of the sealing shell (11), a fixed shaft (22) being mounted at the bottom end of the output of the servo motor (21), the bottom end of the fixed shaft (22) penetrating the sealing shell (11) and extending into the interior thereof; A position limiting and disassembling mechanism (3), wherein the position limiting and disassembling mechanism (3) is arranged on the sealing shell (11), and the position limiting and disassembling mechanism (3) comprises an annular plug-in block (31), and the annular plug-in block (31) is installed at the bottom of the sealing shell (11).

2. A closed spray dryer with easy inner wall cleaning according to claim 1, characterized in that: A driving gear (23) is mounted on the surface of the fixed shaft (22); a connecting groove (24) is provided on the top of the inner wall of the sealing shell (11); an annular plate (25) is provided on the left side of the fixed shaft (22); moving blocks (26) are mounted on the left and right sides of the top of the annular plate (25); and a driven gear (200) meshing with the driving gear (23) is mounted on the surface of the annular plate (25).

3. A closed spray dryer with easy inner wall cleaning according to claim 2, characterized in that: The top of the moving block (26) passes through the connecting groove (24) and extends to the inside thereof to be in rotational contact with the inner wall of the connecting groove (24); a positioning block (27) is installed on the top of the two moving blocks (26) on the side away from each other; an annular groove (28) is provided on the inner wall of the connecting groove (24) for use with the two positioning blocks (27); and a side of the positioning block (27) close to the annular groove (28) passes through the annular groove (28) and extends to the inside thereof to be in rotational contact with the inner wall of the annular groove (28).

4. A closed spray dryer with easy inner wall cleaning according to claim 3, characterized in that: A connecting block (29) is installed on the right side of the bottom of the annular plate (25), and a scraper (210) used in conjunction with the housing (1) is installed on the bottom of the connecting block (29).

5. A closed spray dryer with easy inner wall cleaning according to claim 4, characterized in that: The top of the shell (1) is provided with an annular slot (32) adapted to the annular plug block (31); the bottom of the annular plug block (31) passes through the annular slot (32) and extends to the inside thereof to contact the inner wall of the annular slot (32); and fastening bolts (33) threadedly connected to the annular plug block (31) are provided on both left and right sides of the shell (1).

6. A closed spray dryer with easy inner wall cleaning according to claim 2, characterized in that: A pumping pump (12) is installed on the top of the sealing shell (11), and a transmission pipe (13) is installed on the bottom of the pumping pump (12). The bottom end of the transmission pipe (13) passes through the sealing shell (11), the connecting groove (24) and the annular plate (25) from top to bottom and extends to the outside of the annular plate (25). An atomizing nozzle (14) is installed on the bottom end of the transmission pipe (13).

Images