Reaction kettle for preparing cellulose

By introducing a cleaning mechanism into the reactor and automatically cleaning the cellulose raw materials using water spray and scrapers, the problem of adhesion on the inner wall of the reactor was solved and the continuous use of the reactor was achieved.

CN223381600UActive Publication Date: 2025-09-26PINE (ZHONGSHAN) TECH CO LTD
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Patent Information

Application Number
CN202422562855.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-09-26
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

After heating and stirring, the raw materials in the cellulose reactor are highly sticky and difficult to clean, resulting in the reactor being unable to be used continuously.

Method used

A reactor with a cleaning mechanism is designed, which includes a transmission shaft, a stirring rod, a heating rod, a nozzle, a rotating liquid inlet component and a driving mechanism. The raw materials adhering to the inner wall of the reactor are automatically cleaned by water spraying and a scraper.

Benefits of technology

The automatic cleaning of the raw materials on the inner wall of the reactor is realized, which avoids the difficulty of cleaning caused by the adhesion of the raw materials after drying and ensures the continuous use of the reactor.

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Abstract

The utility model discloses a reaction kettle for preparing cellulose, which comprises a reaction kettle main body, the surface of the reaction kettle main body is fixedly connected with a support frame, the top surface of the reaction kettle main body is fixedly connected with a sealing cover, and a cellulose raw material is injected into the reaction kettle main body through a feeding and discharging assembly. A driving mechanism is started to drive a transmission shaft, a stirring rod and a heating rod to heat and stir raw materials, the raw materials can be discharged by starting a feeding and discharging assembly, a water source is connected with a rotary liquid inlet assembly, and the water source enters the transmission shaft through the rotary liquid inlet assembly and then sprays clean water to the inner wall of a reaction kettle main body through a spray head; the transmission shaft rotates to drive the cleaning mechanism to rotate to clean the raw materials adhered to the inner wall of the reaction kettle main body, so that the aim of automatically cleaning the residual raw materials in the reaction kettle is fulfilled, and the problem that the dried raw materials are firmly adhered to the interior of the reaction kettle and are difficult to clean is avoided; therefore, the reaction kettle cannot continuously carry out raw material reaction work.
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Description

Technical Field

[0001] The utility model relates to the technical field of cellulose preparation, in particular to a reaction kettle for preparing cellulose. Background Art

[0002] A cellulose reactor is a key piece of equipment specifically designed for cellulose production. It typically consists of a reactor shell, a feed pipe, a drive and stirring mechanism, and a discharge pipe. The drive and stirring mechanism stirs the raw materials inside the reactor, causing a reaction. After the reaction is complete, the materials are discharged through a specialized mechanism.

[0003] When the reactor is stirring and reacting the cellulose raw materials, the raw materials need to be heated and stirred inside the reactor, and the raw materials have strong adhesion after heating and stirring. Therefore, after the raw materials are discharged from the reactor after the reaction is completed, there will usually be residual raw materials stuck inside the reactor. After the raw materials are heated and dried, they will stick firmly to the inside of the reactor and are very difficult to clean, resulting in the reactor being unable to continuously carry out the cellulose raw material reaction. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a reactor for preparing cellulose, which is used to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A reactor for preparing cellulose comprises a reactor body, a support frame fixedly connected to the surface of the reactor body, a sealing cover fixedly connected to the top surface of the reactor body, a transmission shaft rotatably connected to the inner wall of the sealing cover, a nozzle fixedly connected to the inner wall of the transmission shaft, a stirring rod fixedly connected to the surface of the transmission shaft, a heating rod fixedly connected to the inner wall of the stirring rod, a cleaning mechanism provided on the surface of the transmission shaft, a rotating liquid inlet component provided on the surface of the transmission shaft, a driving mechanism provided on the top surface of the sealing cover, and a material inlet and outlet component provided inside the sealing cover.

[0007] Preferably, the cleaning mechanism consists of a connecting rod, a fixed plate, a wire brush and a scraper, the inner wall of the connecting rod is fixedly connected to the surface of the transmission shaft, the fixed plate is fixedly connected to the right side of the connecting rod, the wire brush is fixedly connected to the inner wall of the fixed plate, and the wire brush overlaps the inner wall of the reactor body, the scraper is fixedly connected to the left side of the connecting rod, and the scraper overlaps the inner wall of the reactor body.

[0008] Preferably, the rotating liquid inlet assembly consists of a rotary joint, a liquid inlet pipe and a support plate, the inner wall of the rotary joint is rotatably connected to the surface of the transmission shaft, the liquid outlet end of the liquid inlet pipe is fixedly connected to the inner wall of the rotary joint, the support plate is fixedly connected to the top surface of the sealing cover, and the inner wall of the support plate is fixedly connected to the surface of the liquid inlet pipe.

[0009] Preferably, the driving mechanism consists of a servo motor, a driving wheel, a transmission belt and a driven wheel, the servo motor is fixedly connected to the top surface of the sealing cover, the inner wall of the driving wheel is fixedly connected to the output end of the servo motor, the transmission belt is meshed with the inner wall of the driving wheel, the inner wall of the driven wheel is fixedly connected to the surface of the transmission shaft, and the inner wall of the driven wheel is meshed with the transmission belt.

[0010] Preferably, the feed and discharge assembly consists of a feed pipe, a discharge pipe and a solenoid valve, the feed pipe is fixedly connected to the inner wall of the sealing cover, the discharge pipe is fixedly connected to the inner wall of the reactor body, and the solenoid valve is fixedly connected to the inner wall of the discharge pipe.

[0011] Preferably, the transmission shaft is cylindrical and made of stainless steel.

[0012] Preferably, there are multiple connecting rods, and all of the connecting rods are located on the surface of the transmission shaft.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the reactor for preparing cellulose injects the cellulose raw material into the reactor body through the inlet and outlet components, starts the driving mechanism to drive the transmission shaft, the stirring rod and the heating rod to heat and stir the raw material for reaction, opens the inlet and outlet components to discharge the raw material, connects the water source to the rotating liquid inlet component, and the water source enters the transmission shaft through the rotating liquid inlet component and sprays clean water onto the inner wall of the reactor body through the nozzle, and the cleaning mechanism is driven by the rotation of the transmission shaft to rotate and clean the raw material adhered to the inner wall of the reactor body; the goal of facilitating the automatic cleaning of the raw material remaining in the reaction inside the reactor is achieved, and the problem that the raw material is firmly adhered to the inside of the reactor after drying and is difficult to clean is avoided, thereby causing the reactor to be unable to continuously carry out the raw material reaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 This is an enlarged view of the structure A of the utility model;

[0016] Figure 3 This is a front cross-sectional view of the structure of the utility model;

[0017] Figure 4 This is an enlarged view of the structure B of the utility model.

[0018] In the figure: 1. Reactor body; 2. Support frame; 3. Sealing cover; 4. Drive shaft; 5. Nozzle; 6. Stirring rod; 7. Heating rod; 8. Connecting rod; 9. Fixing plate; 10. Wire brush; 11. Scraper; 12. Rotary joint; 13. Liquid inlet pipe; 14. Support plate; 15. Servo motor; 16. Driving pulley; 17. Drive belt; 18. Driven pulley; 19. Feed pipe; 20. Discharge pipe; 21. Solenoid valve. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Reference Figure 1-4 , a reactor for preparing cellulose, comprising a reactor body 1, a support frame 2 fixedly connected to the surface of the reactor body 1, a sealing cover 3 fixedly connected to the top surface of the reactor body 1, a transmission shaft 4 rotatably connected to the inner wall of the sealing cover 3, the transmission shaft 4 is cylindrical, and the transmission shaft 4 is made of stainless steel. The transmission shaft 4 made of stainless steel has higher strength, is not easy to rust, deform or damage, and is more durable. A nozzle 5 is fixedly connected to the inner wall of the transmission shaft 4, a stirring rod 6 is fixedly connected to the surface of the transmission shaft 4, and a heating rod 7 is fixedly connected to the inner wall of the stirring rod 6. A cleaning mechanism is provided on the surface of the transmission shaft 4, and the cleaning mechanism consists of a connecting rod 8, a fixed plate 9, a wire brush 10 and a scraper 11. There are multiple connecting rods 8, and multiple connecting rods 8 are located on the surface of the transmission shaft 4, for connecting the fixed plate 9 and the scraper 11, which improves the connection stability. The inner wall of the connecting rod 8 is fixedly connected to the surface of the transmission shaft 4, and the fixed plate 9 is fixedly connected to the right side of the connecting rod 8, the wire brush 10 is fixedly connected to the inner wall of the fixed plate 9, and the wire brush 10 overlaps the inner wall of the reactor body 1, and the scraper 11 is fixedly connected to the left side of the connecting rod 8, and the scraper 11 overlaps the inner wall of the reactor body 1, which is used to brush and scrape the residual raw materials inside the reactor body 1, thereby improving the cleaning efficiency. A rotating liquid inlet component is provided on the surface of the transmission shaft 4, and the rotating liquid inlet component consists of a rotary joint 12, a liquid inlet pipe 13 and a support plate 14. The inner wall of the rotary joint 12 is rotatably connected to the surface of the transmission shaft 4, and the liquid outlet end of the liquid inlet pipe 13 is fixedly connected to the inner wall of the rotary joint 12, the support plate 14 is fixedly connected to the top surface of the sealing cover 3, and the inner wall of the support plate 14 is fixedly connected to the surface of the liquid inlet pipe 13, which is used for clean water delivery, so as to facilitate the auxiliary nozzle 5 to perform rotary spraying. A driving mechanism is provided on the top surface of the sealing cover 3, and a material inlet and outlet component is provided inside the sealing cover 3.

[0021] Specifically, the driving mechanism consists of a servo motor 15, a driving wheel 16, a transmission belt 17 and a driven wheel 18. The servo motor 15 is fixedly connected to the top surface of the sealing cover 3, the inner wall of the driving wheel 16 is fixedly connected to the output end of the servo motor 15, the transmission belt 17 is engaged with the inner wall of the driving wheel 16, the inner wall of the driven wheel 18 is fixedly connected to the surface of the transmission shaft 4, and the inner wall of the driven wheel 18 is engaged with the transmission belt 17, which is used to drive the cleaning mechanism and the stirring rod 6 to rotate, so as to facilitate the stirring of the raw materials for reaction, and at the same time improve the cleaning range of the cleaning mechanism.

[0022] Specifically, the feed and discharge components consist of a feed pipe 19, a discharge pipe 20 and a solenoid valve 21. The feed pipe 19 is fixedly connected to the inner wall of the sealing cover 3, the discharge pipe 20 is fixedly connected to the inner wall of the reactor body 1, and the solenoid valve 21 is fixedly connected to the inner wall of the discharge pipe 20, which is used for adding and discharging raw materials, thereby improving processing convenience.

[0023] The electrical components mentioned in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that performs control such as a computer.

[0024] During use: first, the cellulose raw material is injected into the reactor body 1 through the feed pipe 19, the heating rod 7 is started to heat the cellulose raw material through the stirring rod 6, the servo motor 15 is started to drive the driving wheel 16 and the transmission belt 17 to rotate, and the transmission belt 17 is engaged with the driven wheel 18 to drive the transmission shaft 4 to rotate along the inner wall of the sealing cover 3. At the same time, the transmission shaft 4 rotates along the inner wall of the rotary joint 12. The rotation of the transmission shaft 4 drives the stirring rod 6 and the heating rod 7 to rotate to heat and stir the raw material. After the raw material reaction is completed, the solenoid valve 21 is opened to pass. The raw materials are discharged through the discharge pipe 20. After the discharge is completed, the solenoid valve 21 is reset, and the water source is connected to the liquid inlet end of the liquid inlet pipe 13. After the water source enters the rotary joint 12 and the transmission shaft 4 through the liquid inlet pipe 13, the clean water is sprayed onto the inner wall of the reactor body 1 through the nozzle 5. At the same time, the rotation of the transmission shaft 4 drives the connecting rod 8, the fixed plate 9 and the wire brush 10 to rotate along the inner wall of the reactor body 1, and the raw materials adhered to the inner wall of the reactor body 1 can be brushed off with the clean water. At the same time, the scraper 11 is driven to rotate along the inner wall of the reactor body 1 to scrape off the brushed raw materials.

[0025] To sum up, the reactor for preparing cellulose injects the cellulose raw material into the reactor body 1 through the inlet and outlet components, starts the driving mechanism to drive the transmission shaft 4, the stirring rod 6 and the heating rod 7 to heat and stir the raw material for reaction, and opens the inlet and outlet components to discharge the raw material. The water source is connected to the rotating liquid inlet component. After the water source enters the transmission shaft 4 through the rotating liquid inlet component, the clean water is sprayed onto the inner wall of the reactor body 1 through the nozzle 5. The rotation of the transmission shaft 4 drives the cleaning mechanism to rotate to clean the raw material adhered to the inner wall of the reactor body 1, thereby achieving the goal of facilitating automatic cleaning of the raw material remaining in the reaction kettle, avoiding the problem that the reactor cannot continuously carry out the raw material reaction due to the raw material being firmly adhered to the inside of the reactor after drying and being difficult to clean. It is used to solve the problems raised in the above-mentioned background technology.

[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reactor for preparing cellulose, comprising a reactor body (1), characterized in that: The surface of the reactor body (1) is fixedly connected to a support frame (2), the top surface of the reactor body (1) is fixedly connected to a sealing cover (3), the inner wall of the sealing cover (3) is rotatably connected to a transmission shaft (4), the inner wall of the transmission shaft (4) is fixedly connected to a nozzle (5), the surface of the transmission shaft (4) is fixedly connected to a stirring rod (6), the inner wall of the stirring rod (6) is fixedly connected to a heating rod (7), the surface of the transmission shaft (4) is provided with a cleaning mechanism, the surface of the transmission shaft (4) is provided with a rotating liquid inlet component, the top surface of the sealing cover (3) is provided with a driving mechanism, and the interior of the sealing cover (3) is provided with a material inlet and outlet component.

2. A reactor for preparing cellulose according to claim 1, characterized in that: The cleaning mechanism is composed of a connecting rod (8), a fixed plate (9), a wire brush (10) and a scraper (11); the inner wall of the connecting rod (8) is fixedly connected to the surface of the transmission shaft (4); the fixed plate (9) is fixedly connected to the right side of the connecting rod (8); the wire brush (10) is fixedly connected to the inner wall of the fixed plate (9), and the wire brush (10) overlaps the inner wall of the reactor body (1); the scraper (11) is fixedly connected to the left side of the connecting rod (8), and the scraper (11) overlaps the inner wall of the reactor body (1).

3. The reactor for preparing cellulose according to claim 1, characterized in that: The rotary liquid inlet assembly consists of a rotary joint (12), a liquid inlet pipe (13) and a support plate (14); the inner wall of the rotary joint (12) is rotatably connected to the surface of the transmission shaft (4); the liquid outlet end of the liquid inlet pipe (13) is fixedly connected to the inner wall of the rotary joint (12); the support plate (14) is fixedly connected to the top surface of the sealing cover (3); and the inner wall of the support plate (14) is fixedly connected to the surface of the liquid inlet pipe (13).

4. The reactor for preparing cellulose according to claim 1, characterized in that: The driving mechanism is composed of a servo motor (15), a driving wheel (16), a transmission belt (17) and a driven wheel (18), wherein the servo motor (15) is fixedly connected to the top surface of the sealing cover (3), the inner wall of the driving wheel (16) is fixedly connected to the output end of the servo motor (15), the transmission belt (17) is meshed with the inner wall of the driving wheel (16), the inner wall of the driven wheel (18) is fixedly connected to the surface of the transmission shaft (4), and the inner wall of the driven wheel (18) is meshed with the transmission belt (17).

5. The reactor for preparing cellulose according to claim 1, characterized in that: The feed and discharge assembly consists of a feed pipe (19), a discharge pipe (20) and a solenoid valve (21); the feed pipe (19) is fixedly connected to the inner wall of the sealing cover (3); the discharge pipe (20) is fixedly connected to the inner wall of the reactor body (1); and the solenoid valve (21) is fixedly connected to the inner wall of the discharge pipe (20).

6. The reactor for preparing cellulose according to claim 1, characterized in that: The transmission shaft (4) is cylindrical and is made of stainless steel.

7. The reactor for preparing cellulose according to claim 2, characterized in that: There are multiple connecting rods (8), and all of the multiple connecting rods (8) are located on the surface of the transmission shaft (4).