Novel helical ribbon stirring paddle provided with scraper blade and suitable for antioxidant 1330 production

Abstract

The utility model provides a novel helical ribbon stirring paddle with a scraping plate suitable for antioxidant 1330 production, which relates to the technical field of reaction instrument manufacture and comprises a crystallization kettle, a stirring paddle main body is arranged in the crystallization kettle, two ferrules are sleeved on the outer wall of the stirring paddle main body, a scraping plate main body is jointly fixed at two ends of the outer walls of the two ferrules, and the scraping plate main body is arranged in the crystallization kettle. A mounting and dismounting plate is mounted at the bottom end of the stirring paddle main body and is positioned at the bottom end of the lower ferrule. On the basis of the helical ribbon stirring paddle, a pair of scraper blade bodies is additionally arranged at the bottom of the stirring paddle body, the distance between the stirring bottom and the kettle bottom is reduced, so that wall-attached materials in a kettle are prevented from being generated, the material crystallization state is prevented from being affected, the scraper blade bodies and the ferrule can be limited through the arrangement of the baffle, the bolt and the mounting and dismounting plate, and the scraper blade bodies can be prevented from being damaged when used for a long time and abraded greatly. And in addition, the device can drive the screw rod to rotate through the operation of the motor, so that the stirring paddle main body can be subjected to lifting treatment under the limiting of the limiting block and the limiting groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to reaction instrument manufacturing technical field especially relates to a novel spiral stirring paddle with scraper suitable for antioxidant 1330 production. BACKGROUND

[0002] The preparation process of antioxidant 1330 is generally carried out in two steps: the first step is to prepare intermediate 3,5-benzylic ether by reacting 2,6-di-tert-butyl phenol, methanol and polyformaldehyde, and the second step is to prepare antioxidant 1330 by reacting 3,5-benzylic ether with mesitylene. The crystallization process of antioxidant 1330 is evaporation crystallization. During the crystallization process, the bottom of the kettle is easy to produce crust material. The crust material adhered to the bottom of the crystallization kettle will affect the cooling of the crystallization kettle. After falling, it will block the bottom valve and affect the material throwing. The material remaining in the kettle will also affect the next batch of crystallization material.

[0003] A novel spiral stirring paddle in the prior art has a large distance between the stirring bottom and the bottom of the crystallization kettle. During the evaporation crystallization process of the material, a large amount of crust material is easy to form at the bottom, which affects the cooling speed of the crystallization kettle. When discharging, the bottom valve is easy to be blocked, and there are many blocky materials in the crystallization material, which affects the product quality. UTILITY MODEL CONTENT

[0004] The utility model discloses a novel spiral stirring paddle with scraper suitable for antioxidant 1330 production to solve the problems of the prior art, such as a large distance between the stirring bottom and the bottom of the crystallization kettle, easy formation of a large amount of crust material at the bottom during the evaporation crystallization process of the material, affecting the cooling speed of the crystallization kettle, easy blocking of the bottom valve when discharging, and many blocky materials in the crystallization material affecting the product quality.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a novel spiral stirring paddle with scraper suitable for antioxidant 1330 production, comprising a crystallization kettle, a stirring paddle body is arranged in the crystallization kettle, two sleeve rings are sleeved on the outer wall of the stirring paddle body, a scraper main body is fixed on the outer wall of the two sleeve rings, a dismounting plate is arranged at the bottom end of the lower sleeve ring of the stirring paddle body, a baffle is fixed on the top end of the upper sleeve ring of the stirring paddle body, a sleeve is slidably connected to the top end of the stirring paddle body, and a driving structure for driving the stirring paddle body to move is arranged in the sleeve.

[0006] Preferably, the driving structure comprises a motor mounted on the inner top wall of the sleeve, a screw rod is fixed to the output end of the motor, the screw rod is threadedly connected with the stirring paddle body, limit blocks are fixed on the outer wall of the stirring paddle body, and limit grooves matched with the limit blocks are formed in the inner wall of the sleeve.

[0007] Preferably, the mounting and dismounting plate is fixed to the bottom end of the stirring paddle body by bolts, and the area of the mounting and dismounting plate is larger than that of the bottom end of the stirring paddle body.

[0008] Preferably, a guide plate is fixed to the top end of the mounting and dismounting plate, and a guide groove matched with the guide plate is formed in the bottom end of the stirring paddle body.

[0009] Preferably, the outer walls of the two scraper bodies are attached to the inner wall of the bottom end of the crystallization kettle, and a slot matched with the bolt is formed in the bottom end of the mounting and dismounting plate.

[0010] Preferably, a butt joint plate is fixed to the top end outer wall of the sleeve, and a plurality of butt joint holes are formed in the butt joint plate.

[0011] Compared with the prior art, the advantages and positive effects of the utility model lie in that;

[0012] In the utility model, on the basis of the screw stirring paddle, a pair of scraper bodies are added to the bottom of the stirring paddle body, the distance between the stirring bottom and the kettle bottom is reduced, so that wall material is avoided from being generated in the kettle, the material crystallization state is affected, and through the arrangement of the baffle, the bolt and the mounting and dismounting plate, the scraper body and the sleeve ring can be limited, the installation effect is achieved, when long time use and abrasion are large, the scraper body can be dismounted at any time, and the scraper body can be replaced, in addition, through the operation of the motor, the screw rod can be driven to rotate, the stirring paddle body can be lifted under the limitation of the limiting block and the limiting groove, when wall material is not generated in the kettle, the scraper body can be lifted upwards, friction is avoided, the service life is improved, and the utility is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A three-dimensional view of the novel screw stirring paddle with scrapers suitable for the production of antioxidant 1330 is provided for the utility model;

[0014] Figure 2 A stirring paddle body structure three-dimensional view of the novel screw stirring paddle with scrapers suitable for the production of antioxidant 1330 is provided for the utility model;

[0015] Figure 3 A scraper body structure schematic view of the novel screw stirring paddle with scrapers suitable for the production of antioxidant 1330 is provided for the utility model;

[0016] Figure 4 A driving structure schematic view of the novel screw stirring paddle with scrapers suitable for the production of antioxidant 1330 is provided for the utility model.

[0017] Legend: 1. Crystallization kettle; 2. Agitator body; 3. Ring; 4. Scraper body; 5. Baffle; 6. Mounting plate; 7. Bolt; 8. Slot; 9. Guide plate; 10. Guide groove; 11. Sleeve; 12. Docking plate; 13. Docking hole; 14. Driving structure; 1401. Motor; 1402. Screw; 1403. Limit block; 1404. Limit groove. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Example 1, as Figures 1-4 As shown, the utility model provides a new type of spiral ribbon stirring paddle with scraper suitable for the production of antioxidant 1330, including a crystallization kettle 1, a stirring paddle body 2 is provided in the crystallization kettle 1, two rings 3 are sleeved on the outer wall of the stirring paddle body 2, and a scraper body 4 is fixed to both ends of the outer walls of the two rings 3. The bottom end of the stirring paddle body 2 is located at the bottom end of the lower ring 3 and a mounting plate 6 is installed. A baffle 5 is fixed on the top of the upper ring 3 on the outer wall of the stirring paddle body 2. The top of the stirring paddle body 2 is slidably connected to a sleeve 11, and a driving structure 14 for driving the stirring paddle body 2 to move is provided in the sleeve 11.

[0021] The effect achieved by the entire embodiment 1 is that, on the basis of the spiral ribbon stirring paddle, a pair of scraper bodies 4 are added to the bottom of the stirring paddle body 2 to reduce the distance between the stirring bottom and the bottom of the kettle, thereby avoiding the generation of wall material in the kettle and affecting the crystallization state of the material, and through the setting of the baffle 5, bolts 7 and mounting plate 6, the scraper body 4 and the ring 3 can be limited to achieve the installation effect. When used for a long time and worn out, they can be disassembled and replaced at any time. Through the operation of the driving structure 14, the stirring paddle body 2 can be driven to rise and fall. When no wall material is generated in the kettle, the scraper body 4 can be driven to move upward to avoid it from continuing to generate friction, thereby increasing its service life and making it more practical.

[0022] Example 2, as Figures 1-4As shown, the drive structure 14 includes a motor 1401 mounted on the top wall of the sleeve 11, the output end of the motor 1401 is fixed with a screw rod 1402, the screw rod 1402 is threadedly connected with the stirring paddle body 2, the outer wall of the stirring paddle body 2 is fixed with a limiting block 1403 at both ends, the inner wall of the sleeve 11 is provided with a limiting groove 1404 matched with the limiting block 1403 at both ends, the mounting plate 6 is fixed with the bottom end of the stirring paddle body 2 through the bolt 7, the area of the mounting plate 6 is larger than the bottom end area of the stirring paddle body 2, the top end of the mounting plate 6 is fixed with a guide plate 9, the bottom end of the stirring paddle body 2 is provided with a guide groove 10 matched with the guide plate 9, the outer wall of the two scraper bodies 4 is attached to the bottom end inner wall of the crystallization kettle 1, the bottom end of the mounting plate 6 is provided with a slot 8 matched with the bolt 7, and the top end outer wall of the sleeve 11 is fixed with a butt plate 12, and the butt plate 12 is provided with a plurality of butt holes 13.

[0023] The effect of the whole embodiment 2 is that the rotation of the motor 1401 can drive the screw rod 1402 to rotate, so that the stirring paddle body 2 can be lifted under the limitation of the limiting block 1403 and the limiting groove 1404, when there is no wall material in the kettle, the scraper body 4 can be lifted to avoid continuous friction and improve the service life, and the utility is stronger.

[0024] Working principle: when the device is used, the setting of the baffle 5, the bolt 7 and the mounting plate 6 can limit the scraper body 4 and the sleeve 3, achieve the installation effect, when used for a long time and worn out, it can be disassembled and replaced at any time, in addition, the operation of the motor 1401 can drive the screw rod 1402 to rotate, so that the stirring paddle body 2 can be lifted under the limitation of the limiting block 1403 and the limiting groove 1404, when there is no wall material in the kettle, the scraper body 4 can be lifted to avoid continuous friction and improve the service life.

[0025] 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 technology content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A novel ribbon stirring blade with a scraper suitable for the production of antioxidant 1330, comprising a crystallization kettle (1), characterized in that: The crystallization kettle (1) is provided with a stirring paddle body (2), two ferrules (3) are sleeved on the outer wall of the stirring paddle body (2), and a scraper body (4) is fixed to both ends of the outer walls of the two ferrules (3). The bottom end of the stirring paddle body (2) is located at the bottom end of the lower ferrule (3), and a mounting plate (6) is installed. A baffle (5) is fixed on the top end of the upper ferrule (3) on the outer wall of the stirring paddle body (2). The top end of the stirring paddle body (2) is slidably connected to a sleeve (11), and a driving structure (14) for driving the stirring paddle body (2) to move is provided in the sleeve (11).

2. The novel ribbon impeller with scraper suitable for the production of antioxidant 1330 according to claim 1, characterized in that: The driving structure (14) comprises a motor (1401) mounted on the inner top wall of the sleeve (11); a screw (1402) is fixed to the output end of the motor (1401); the screw (1402) is threadedly connected to the stirring paddle body (2); both ends of the outer wall of the stirring paddle body (2) are fixed with limit blocks (1403); and both ends of the inner wall of the sleeve (11) are provided with limit grooves (1404) that match the limit blocks (1403).

3. The novel ribbon impeller with scraper suitable for the production of antioxidant 1330 according to claim 1, characterized in that: The installation and removal plate (6) is fixed to the bottom end of the stirring paddle body (2) via bolts (7), and the area of ​​the installation and removal plate (6) is larger than the bottom end area of ​​the stirring paddle body (2).

4. The novel ribbon impeller with scraper suitable for the production of antioxidant 1330 according to claim 1, characterized in that: A guide plate (9) is fixed to the top end of the installation plate (6), and a guide groove (10) matching the guide plate (9) is provided at the bottom end of the stirring paddle body (2).

5. The novel ribbon impeller with scraper suitable for the production of antioxidant 1330 according to claim 3, characterized in that: The outer walls of the two scraper bodies (4) are both fitted with the inner wall of the bottom end of the crystallization kettle (1), and the bottom end of the mounting plate (6) is provided with a slot (8) that matches the bolt (7).

6. The novel ribbon impeller with scraper suitable for the production of antioxidant 1330 according to claim 1, characterized in that: A docking plate (12) is fixed to the outer wall of the top end of the sleeve (11), and a plurality of docking holes (13) are provided in the docking plate (12).

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