Reaction kettle for chemical production

Abstract

The utility model belongs to the technical field of chemical production equipment, and discloses a reaction kettle for chemical production, which comprises a supporting mechanism for fixing and supporting the whole reaction kettle, and a kettle body mechanism arranged in the middle of the supporting mechanism and used for supporting, transmitting and containing chemical raw materials to provide a sealed reaction environment, a stirring mechanism for spirally and downwards scraping chemical raw materials adhered to the inner wall and carrying out mixing reaction is arranged in the kettle body mechanism, the supporting mechanism comprises four supporting legs which are uniformly arranged, a first supporting plate is arranged at the middle sections of the supporting legs, and a second supporting plate is arranged above the first supporting plate. According to the reaction kettle for chemical production disclosed by the utility model, through the arrangement of scraping raw materials on the inner wall of the kettle body and matching with stirring, the uniformity of stirring and mixing reaction is improved, through the arrangement of scraping chemical raw materials on the inner wall, residual materials on the inner wall are avoided, the convenience of cleaning the inner wall is improved, and through the arrangement of spirally scraping and discharging the materials, the stirring efficiency is improved. And discharging is more complete, and thoroughness of discharging is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical production equipment, in particular to a reaction kettle for chemical production. Background Art

[0002] The broad understanding of the reactor body is a container with physical or chemical reactions. Through the structural design and parameter configuration of the container, the heating, evaporation, cooling and low-speed mixing functions required by the process are realized. The reactor body is widely used in petroleum, chemical, rubber, pesticide, dye, medicine, food, and is used to complete the pressure vessels of vulcanization, nitration, hydrogenation, hydrocarbonization, polymerization, condensation and other process processes, such as reactors, reaction pots, decomposition pots, polymerization kettles, etc.; the materials are generally carbon manganese steel, stainless steel, zirconium, nickel-based.

[0003] In contrast, a Chinese patent with announcement number CN218189616 discloses a reactor device for chemical production, including a reactor body, a first servo motor fixedly connected to the top of the reactor body, a rotating rod fixedly connected to the output end of the first servo motor, the bottom end of the rotating rod passes through the top of the reactor body, a cavity is opened inside the rotating rod, a plurality of rotating bars are rotatably connected inside the rotating rod, the rotating rod is fixedly connected to a second servo motor at the inner wall of the top of the cavity, and a driving gear is fixedly connected to the output end of the second servo motor.

[0004] However, in the working process of the above patent, it is inevitable that a part of the chemical raw materials will always adhere to the inner wall of the kettle, and cannot be effectively stirred and mixed, resulting in uneven stirring and incomplete discharge. There will be residues on the inner wall of the kettle, which is difficult to clean and wastes raw materials. Therefore, a new equipment should be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a reaction kettle for chemical production to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A reaction kettle for chemical production includes a supporting mechanism for fixing and supporting the whole, and also includes a kettle body mechanism arranged in the middle of the supporting mechanism for supporting transmission and containing chemical raw materials to provide a sealed reaction environment. The kettle body mechanism is provided with a stirring mechanism inside for spirally scraping off the chemical raw materials adhered to the inner wall and performing a mixing reaction.

[0008] The kettle body structure comprises a reactor body, two feeding pipes are symmetrically arranged on both sides of the reactor body, a discharge pipe is arranged at the bottom of the reactor body, four supporting columns are evenly arranged above the reactor body, and a fixing plate is installed at the bottom of the supporting columns;

[0009] The stirring mechanism comprises a DC motor, a stirring shaft is installed at the output end of the DC motor, a plurality of stirring blades are arranged on the stirring shaft, a driving gear is arranged above the stirring blades, a reduction gear is arranged on one side of the driving gear, a driven gear ring is arranged on one side of the reduction gear, and a spiral scraper is installed at the bottom of the driven gear ring.

[0010] Furthermore: the support mechanism includes four evenly arranged support legs, a first support plate is arranged in the middle of the support legs, a second support plate is arranged above the first support plate, and a fixing ring is arranged in the middle of the first support plate and the second support plate respectively.

[0011] Furthermore: the fixing ring is respectively connected to the first support plate and the second support plate by bolts, and the reactor body is connected to the fixing ring by bolts.

[0012] Furthermore: the first support plate and the second support plate are welded to the support legs respectively, and the first support plate, the second support plate and the support legs are all made of No. 45 steel.

[0013] Furthermore: two ends of the support column are respectively connected to the top of the reactor body and the fixing plate by bolts.

[0014] Furthermore, the discharge pipe and the feed pipe are respectively welded to the reactor body, and the discharge pipe, the feed pipe and the reactor body are all made of 204 stainless steel.

[0015] Furthermore: the stirring shaft is key-connected to the driving gear, and the reduction gear is connected to one of the support column bearings.

[0016] Furthermore, the driving gear is externally meshed with the reduction gear for transmission, the reduction gear is internally meshed with the driven gear ring for transmission, the driven gear ring is connected to the inner wall bearing of the reactor body, and the spiral scraper is welded to the driven gear ring.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The uniformity of the stirring and mixing reaction is improved by scraping the raw materials on the inner wall of the kettle body and stirring.

[0019] 2. The setting of scraping chemical raw materials from the inner wall avoids residual materials on the inner wall and improves the convenience of cleaning the inner wall;

[0020] 3. The setting of spiral scraper to discharge materials makes the discharge more complete and ensures the thoroughness of the discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a structural schematic diagram of a reaction kettle for chemical production described in the utility model;

[0022] Figure 2 This is an axonometric diagram of a supporting mechanism of a reaction kettle for chemical production described in the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the kettle body of a chemical production reactor described in the utility model;

[0024] Figure 4 The utility model is a schematic diagram of the structure of a stirring mechanism of a reaction kettle for chemical production.

[0025] In the accompanying drawings, 101, support leg; 102, first support plate; 103, second support plate; 104, fixed ring; 201, reactor body; 202, feed pipe; 203, discharge pipe; 204, support column; 205, fixed plate; 301, DC motor; 302, stirring shaft; 303, stirring blade; 304, driving gear; 305, reduction gear; 306, driven gear ring; 307, spiral scraper. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-Figure 4 A reactor for chemical production includes a supporting mechanism for fixing and supporting the whole, and also includes a kettle body mechanism arranged in the middle of the supporting mechanism for supporting transmission and holding chemical raw materials to provide a sealed reaction environment. A stirring mechanism is arranged inside the kettle body mechanism for spirally scraping off the chemical raw materials adhered to the inner wall and performing a mixing reaction.

[0028] In this embodiment: the support mechanism includes four support legs 101 evenly arranged, a first support plate 102 is arranged in the middle of the support leg 101, a second support plate 103 is arranged above the first support plate 102, a fixing ring 104 is respectively arranged between the first support plate 102 and the second support plate 103, the fixing ring 104 is respectively bolted to the first support plate 102 and the second support plate 103, the reactor body 201 is bolted to the fixing ring 104, the first support plate 102 and the second support plate 103 are respectively welded to the support legs 101, the first support plate 102, the second support plate 103 and the support leg 101 are all made of 45# steel, the support leg 101 supports the first support plate 102 and the second support plate 103, and the fixing ring 104 is used to fix and support the reactor body 201;

[0029] In this embodiment: the kettle body mechanism includes a reactor body 201, two feed pipes 202 are symmetrically arranged on both sides of the reactor body 201, a discharge pipe 203 is arranged at the bottom of the reactor body 201, four support columns 204 are evenly arranged above the inside of the reactor body 201, a fixing plate 205 is installed at the bottom of the support column 204, and both ends of the support column 204 are respectively bolted to the top of the reactor body 201 and the fixing plate 205, the discharge pipe 203 and the feed pipe 202 are respectively welded to the reactor body 201, the discharge pipe 203, the feed pipe 202 and the reactor body 201 are all made of 204 stainless steel, the chemical raw materials are introduced into the reactor body 201 through the feed pipe 202, the reactor body 201 supports the DC motor 301, and finally the chemical raw materials are discharged through the discharge pipe 203;

[0030] In this embodiment, the stirring mechanism includes a DC motor 301, a stirring shaft 302 is installed at the output end of the DC motor 301, a plurality of stirring blades 303 are arranged on the stirring shaft 302, a driving gear 304 is arranged above the stirring blades 303, a reduction gear 305 is arranged on one side of the driving gear 304, a driven gear ring 306 is arranged on one side of the reduction gear 305, a spiral scraper 307 is installed at the bottom of the driven gear ring 306, the stirring shaft 302 is key-connected with the driving gear 304, the reduction gear 305 is connected to one of the support columns 204 bearings, the driving gear 304 and the reduction gear 305 are connected. External meshing transmission, the reduction gear 305 and the driven gear ring 306 are internally meshing transmission, the driven gear ring 306 is connected to the inner wall bearing of the reactor body 201, the spiral scraper 307 is welded to the driven gear ring 306, the DC motor 301 rotates to drive the stirring shaft 302 to rotate, and drives the stirring blade 303 to rotate to stir the chemical raw materials, the stirring shaft 302 drives the driving gear 304 to rotate, drives the reduction gear 305 to rotate and drives the driven gear ring 306 to rotate, and the driven gear ring 306 drives the spiral scraper 307 at the bottom to spirally scrape downward to remove the chemical raw materials adhered to the inner wall of the reactor body 201.

[0031] Working principle: The support leg 101 supports the first support plate 102 and the second support plate 103, and the fixing ring 104 is used to fix and support the reactor body 201, and the discharge pipe 203 is tightly closed, and the chemical raw materials to be reacted are introduced into the reactor body 201 through the feed pipe 202. The reactor body 201 supports the DC motor 301 to rotate and drive the stirring shaft 302 to rotate under the fixed limit of the fixing plate 205, and the stirring shaft 302 drives the stirring blade 303 to rotate to stir the chemical raw materials, and at the same time, the stirring shaft 302 drives the driving gear 3 04 rotates, driving the reduction gear 305 to rotate under the fixed limit of the support column 204, driving the driven gear ring 306 to rotate, and the driven gear ring 306 drives the spiral scraper 307 at the bottom to scrape the chemical raw materials adhered to the inner wall of the reactor body 201 in a spiral downward manner. After stirring is completed, the discharge pipe 203 is opened to discharge the chemical raw materials, and the chemical raw materials remaining on the stirring shaft 302 and the stirring blades 303 are rotated and centrifuged to the inner wall of the reactor body 201, and then are scraped downward by the spiral scraper 307, and finally discharged through the discharge pipe 203.

[0032] 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 reaction kettle for chemical production, comprising a supporting mechanism for fixing and supporting the whole, characterized in that: It also includes a kettle body mechanism disposed in the middle of the supporting mechanism for supporting the transmission and containing the chemical raw materials to provide a sealed reaction environment, and a stirring mechanism is disposed inside the kettle body mechanism for spirally scraping the chemical raw materials adhered to the inner wall and performing a mixing reaction; The kettle body structure comprises a reactor body (201), two feeding pipes (202) are symmetrically arranged on both sides of the reactor body (201), a discharge pipe (203) is arranged at the bottom of the reactor body (201), four supporting columns (204) are evenly arranged on the top of the reactor body (201), and a fixing plate (205) is installed at the bottom of the supporting columns (204); The stirring mechanism comprises a DC motor (301), a stirring shaft (302) is installed at the output end of the DC motor (301), a plurality of stirring blades (303) are arranged on the stirring shaft (302), a driving gear (304) is arranged above the stirring blades (303), a reduction gear (305) is arranged on one side of the driving gear (304), a driven gear ring (306) is arranged on one side of the reduction gear (305), and a spiral scraper (307) is installed at the bottom of the driven gear ring (306).

2. A chemical production reactor according to claim 1, characterized in that: The support mechanism comprises four evenly arranged support legs (101), a first support plate (102) is arranged in the middle of the support legs (101), a second support plate (103) is arranged above the first support plate (102), and a fixing ring (104) is respectively arranged between the first support plate (102) and the second support plate (103).

3. A chemical production reactor according to claim 2, characterized in that: The fixing ring (104) is respectively connected to the first support plate (102) and the second support plate (103) by bolts, and the reactor body (201) is connected to the fixing ring (104) by bolts.

4. A chemical production reactor according to claim 2, characterized in that: The first support plate (102) and the second support plate (103) are respectively welded to the support leg (101); the first support plate (102), the second support plate (103) and the support leg (101) are all made of No. 45 steel.

5. A chemical production reactor according to claim 1, characterized in that: The two ends of the support column (204) are respectively connected to the top of the reactor body (201) and the fixing plate (205) by bolts.

6. A chemical production reactor according to claim 1, characterized in that: The discharge pipe (203) and the feed pipe (202) are respectively welded to the reactor body (201); the discharge pipe (203), the feed pipe (202) and the reactor body (201) are all made of 204 stainless steel.

7. A chemical production reactor according to claim 1, characterized in that: The stirring shaft (302) is key-connected to the driving gear (304), and the reduction gear (305) is bearing-connected to one of the support columns (204).

8. A chemical production reactor according to claim 1, characterized in that: The driving gear (304) and the reduction gear (305) are externally meshed for transmission, the reduction gear (305) and the driven gear ring (306) are internally meshed for transmission, the driven gear ring (306) is connected to the inner wall bearing of the reactor body (201), and the spiral scraper (307) and the driven gear ring (306) are welded together.

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