CN114733462A - a chemical reactor - Google Patents

Abstract

The invention provides a chemical reaction kettle, which comprises: the device comprises a kettle body, wherein a feeding hole is formed in the side wall of the kettle body, and a discharging hole is formed in the bottom of the kettle body; the stirring mechanism is positioned at the upper end of the kettle body and comprises a first driving assembly, a stirring shaft coaxial with the kettle body is arranged at the output end of the first driving assembly, rotatable stirring blades are uniformly distributed on the outer wall of the stirring shaft, and gears are fixed at the end parts of the stirring blades; the cleaning mechanism comprises a second driving assembly, the output end of the second driving assembly is connected with a rotating support, and bristles for cleaning the inner wall of the kettle body are arranged on the side wall of the rotating support; blade angle adjustment mechanism is located the cauldron body under, and it is including the electric jar, and the output of electric jar is equipped with the back shaft coaxial with the cauldron body, and the back shaft is worn to establish in the (mixing) shaft, and the equipartition has rotatable regulation support on the back shaft, is equipped with the rack with gear engagement on the regulation support. The chemical reaction kettle disclosed by the invention can be automatically cleaned, and has the advantages of adjustable stirring angle, strong universality and good mixing effect.

Description

a chemical reactor

technical field

The invention relates to the field of chemical machinery, in particular to a chemical reaction kettle.

Background technique

The reaction kettle is a container that can carry out physical or chemical reactions. The structure design and parameter configuration of the container are carried out according to different process conditions. The design conditions, process, inspection, manufacturing, and acceptance must be based on relevant technical standards to achieve the heating, process requirements of the process. Evaporation, cooling and low-speed mixing reaction functions. It is widely used in petroleum, chemical, rubber, pesticide, dye, medicine and food fields. In the production process, it is found that the inner wall of the reaction kettle is often easy to adhere to the raw materials. When cleaning, it is generally washed manually, which is time-consuming and laborious. Some raw materials are too viscous and cannot be cleaned, resulting in residual raw materials. When the reactor is used next time, due to residual raw materials , causing the product to be polluted, and the product cannot meet the specified production standards; due to the different mixing characteristics of different raw materials, the required stirring speed and stirring angle are also different, and the stirring angle of the existing reaction kettle is fixed and cannot be adjusted, and the raw materials cannot reach the maximum. Good mixing effect, low stirring efficiency and poor versatility; raw materials are likely to remain at the bottom of the reaction kettle, resulting in production waste and not easy to discharge.

SUMMARY OF THE INVENTION

【1】Technical problems to be solved

The technical problem to be solved by the present invention is to provide a chemical reaction kettle that can be cleaned automatically, the angle of the stirring blade can be adjusted, the mixing effect is good, and the material is easy to discharge.

【2】Technical solutions to solve problems

The present invention provides a chemical reaction kettle, comprising: a kettle body 1, a feeding port 11 is provided on the side wall of the kettle body 1, and a discharging port 12 is provided at the bottom of the kettle body 1;

The stirring mechanism 2 is located at the upper end of the kettle body 1, and the stirring mechanism 2 includes a first drive assembly 21, and the output end of the first drive assembly 21 is provided with a stirring shaft 22 coaxial with the kettle body 1, The inside of the stirring shaft 22 is hollow, the outer wall of the stirring shaft 22 is evenly distributed with rotatable stirring blades 23 , the end of the stirring blade 23 is fixed with a gear 24 , and the gear 24 is located inside the stirring shaft 22 ;

The cleaning mechanism 3 is located at the upper end of the kettle body 1 and is symmetrically arranged with the stirring mechanism 2. The cleaning mechanism 3 includes a second drive assembly 31, and the output end of the second drive assembly 31 is connected with a rotating bracket 32, The rotating bracket 32 is rotatably connected with the kettle body 1 and the stirring shaft 22, and the side wall of the rotating bracket 32 is provided with bristles for cleaning the inner wall of the kettle body 1;

The blade angle adjustment mechanism 4 is located directly below the kettle body 1, and includes an electric cylinder 41, the output end of the electric cylinder 41 is provided with a support shaft 42 coaxial with the kettle body 1, and the support shaft 42 Passing through the stirring shaft 22, the supporting shaft 42 is evenly distributed with rotatable adjusting supports 43, and the adjusting supports 43 are provided with a rack 433 that meshes with the gear 24; The reciprocating motion of the bar 433 drives the gear 24 to adjust the stirring angle of the stirring blade 23 .

Further, the rotating support 32 includes an upper sleeve 321 and a lower sleeve 322 sleeved on both ends of the stirring shaft 22 through a fixed bearing 33 , and the outer walls of the upper sleeve 321 and the lower sleeve 322 are sleeved. A fixing ring 323 and a mounting ring 324 are provided. The fixing ring 323 is located below the mounting ring 324. The fixing ring 323 is hinged with connecting rods 325 on both sides, and the mounting ring 324 is hinged on both sides with a connecting frame. 326, the connecting frame 326 and the connecting rod 325 are movably connected; the other end of the connecting rod 325 is hinged with a vertical baffle 327, and the vertical baffle 327 is evenly distributed with bristles.

Further, a bar-shaped chute 3251 is provided on the connecting rod 325 , and a connecting shaft corresponding to the bar-shaped chute 3251 is provided on the connecting frame 326 .

Further, the connecting rod 325 is provided with a lifting rod 34 , and support blocks 341 are evenly distributed on the lifting rod 34 , and a magnetic attraction ring 342 is provided at the top of the lifting rod 34 , which is directly above the magnetic attraction ring 342 There is an electromagnet 35 installed on the kettle body 1 .

Further, the adjustment support 43 includes a support bearing 431 fixed on the support shaft 42 through a collar, the outer wall of the support bearing 431 is sleeved with a support plate 432, and the support plate 432 is evenly distributed with useful on the rack 433 meshing with the gear 24 .

Further, the side wall of the stirring shaft 22 is provided with a rotating bearing 25 for rotationally connecting with the end of the stirring blade 23 .

Further, the first drive assembly 21 and the second drive assembly 31 have the same structure, the first drive assembly 21 includes a first support frame 211, and a first drive motor is fixed on the first support frame 211 212, the output shaft of the first drive motor 212 is provided with a first driving wheel 213, the stirring shaft 22 is provided with a first driven wheel 214, the first driving wheel 213 and the first driven wheel 214 connected by a belt.

Further, the adjustment range of the stirring angle is 0°˜360°.

Further, the bottom of the kettle body 1 is provided with an inclined surface, the inclined surface extends downward to form an annular material accumulation groove 13 , and the discharge port 12 is located below the annular material accumulation groove 13 .

Further, both ends of the rotating bracket 32 are rotatably connected to the kettle body 1 through a sealed bearing 36 .

【3】Beneficial effects

The chemical reaction kettle provided by the invention is provided with a cleaning mechanism, which can be automatically cleaned after the reaction kettle is used, and the operation is convenient. Adjust the stirring angle of the stirring blade according to the mixing characteristics of different raw materials, which has good versatility; there is an annular material accumulation groove at the bottom of the kettle body, and the discharge port is located under the annular material accumulation groove, which is convenient for discharging, improves the discharging efficiency, and avoids The raw materials remain and the production cost is reduced; the chemical reaction kettle of the invention can be cleaned automatically, the stirring angle can be adjusted, the adjustment is convenient, the versatility is strong, the material is easy to discharge, and the production waste is avoided.

Description of drawings

Fig. 1 is the structural representation of chemical reaction still of the present invention;

Fig. 2 is the sectional view of the chemical reaction still of the present invention;

Fig. 3 is the sectional view of the cleaning state of the chemical reactor of the present invention;

Fig. 4 is the sectional view of another angle of view of the chemical reactor of the present invention;

Fig. 5 is the partial enlarged view of A place in Fig. 2;

Fig. 6 is a partial enlarged view at B in Fig. 4;

Fig. 7 is the assembly schematic diagram of the cleaning mechanism of the chemical reaction kettle of the present invention;

FIG. 8 is a schematic diagram of the assembly of the stirring blade of the chemical reaction kettle of the present invention.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to FIGS. 1 to 8 , the present invention provides a chemical reaction kettle, which can realize automatic cleaning and adjust the stirring angle, and can be used for mixing different chemical raw materials. Specifically, it includes: a kettle body 1, a stirring mechanism 2 , the cleaning mechanism 3 and the blade angle adjustment mechanism 4, each of which will be described below.

The kettle body 1, the interior of the kettle body 1 is hollow for mixing raw materials, a feeding port 11 is provided on the side wall of the kettle body 1, and a discharging port 12 is provided at the bottom of the kettle body 1, in order to facilitate the discharging of the The bottom of the kettle body 1 remains, and the bottom of the kettle body 1 is provided with an inclined surface, and the inclined surface extends downward to form an annular material accumulation groove 13 , and the discharge port 12 is located below the annular material accumulation groove 13 .

The stirring mechanism 2 is used for mixing of chemical raw materials, and is located at the upper end of the kettle body 1. The stirring mechanism 2 includes a first drive assembly 21, and the output end of the first drive assembly 21 is provided with a stirring shaft 22 coaxial with the kettle body 1, The inside of the stirring shaft 22 is hollow, the outer wall of the stirring shaft 22 is evenly distributed with rotatable stirring blades 23, the end of the stirring blade 23 is fixed with a gear 24, and the gear 24 is located inside the stirring shaft 22; the first driving component 21 is used for driving stirring The stirring blade 23 on the shaft 22 rotates, thereby mixing the raw materials.

The cleaning mechanism 3 is used for automatic cleaning after the reaction kettle is used. It is located at the upper end of the kettle body 1 and is symmetrically arranged with the stirring mechanism 2. The cleaning mechanism 3 includes a second drive assembly 31. The output end of the second drive assembly 31 is connected with a rotating The bracket 32, the rotating bracket 32 is rotatably connected with the kettle body 1 and the stirring shaft 22, and the side wall of the rotating bracket 32 is provided with bristles for cleaning the inner wall of the kettle body 1; the second drive assembly 31 drives the rotating bracket 32 to rotate to make the bristles fit The inner wall of the kettle is cleaned.

The blade angle adjustment mechanism 4 is used to adjust the stirring angle of the stirring blade 23, which can be adjusted according to the mixing characteristics of different raw materials. At the bottom of the body 1, the output end of the electric cylinder 41 is provided with a support shaft 42 that is coaxial with the kettle body 1. The support shaft 42 passes through the stirring shaft 22, and the support shaft 42 is evenly distributed with rotatable adjustment supports 43. The support 43 is provided with a rack 433 meshing with the gear 24 ; the reciprocating motion of the rack 433 drives the gear 24 to adjust the stirring angle of the stirring blade 23 .

In this example, in order to improve the tightness of the reaction kettle, both ends of the rotating support 32 are rotatably connected to the kettle body 1 through sealing bearings 36; The sleeve 321 and the lower sleeve 322, the upper sleeve 321 and the lower sleeve 322 are rotatably connected with the kettle body 1 through the sealed bearing 36; the outer walls of the upper sleeve 321 and the lower sleeve 322 are sleeved with a fixing ring 323 and a mounting ring 324 , the fixing ring 323 is located under the mounting ring 324, the connecting rod 325 is hinged on both sides of the fixing ring 323, the connecting frame 326 is hinged on both sides of the mounting ring 324, and the connecting frame 326 and the connecting rod 325 are movably connected. Specifically, the connecting rod 325 is provided with a bar-shaped chute 3251, and the connecting frame 326 is provided with a connecting shaft corresponding to the bar-shaped chute 3251; the other end of the connecting rod 325 is hinged with a vertical baffle 327, which is evenly distributed on the vertical baffle 327. The bristles and bristles can be made of nylon material, which has good flexibility and can be deformed while avoiding the reaction with the raw materials; because during the stirring process, if the bristles on the cleaning mechanism 3 always adhere to the inner wall of the kettle body 1, it will cause Part of the raw material remains at the connection between the bristles and the inner wall of the kettle body 1, resulting in uneven mixing. In order to avoid this situation, a lifting rod 34 is provided on the connecting rod 325. The lifting rod 34 is evenly distributed with support blocks 341. The lifting rod 34 A magnetic attraction ring 342 is provided at the top, and an electromagnet 35 installed on the kettle body 1 is arranged just above the magnetic attraction ring 342; when not cleaning, the electromagnet 35 is energized, and the lifting rod 34 drives the rotating bracket 32 upward to move upward, so that the The bristles are far away from the inner wall of the kettle body 1; during cleaning, the electromagnet 35 is powered off, the rotating bracket 32 moves downward under its own gravity, so that the bristles fit the inner wall of the kettle body 1, and the second driving component 31 drives the rotating bracket 32 to rotate, cleaning The inner wall of the kettle.

The adjusting support 43 is used to adjust the angle of the stirring blade. Specifically, it includes a supporting bearing 431 fixed on the supporting shaft 42 through a collar. The outer wall of the supporting bearing 431 is sleeved with a supporting plate 432, and the supporting plate 432 is evenly distributed with useful For the rack 433 meshing with the gear 24, the rack 433 is arranged diagonally on the support plate 432. During the process of adjusting the rotation angle of the stirring blade 23, the adjusting support 43 can move up and down under the driving of the electric cylinder 41, which is To avoid the axial displacement of the gear 24, as shown in FIG. 8, a limit block 434 is also provided on the support plate 432, the gear 24 is clamped in the limit groove on the limit block 434, and the rack 433 drives the gear 24 to rotate to adjust The stirring angle of the stirring blade 23, after the stirring angle adjustment is completed, the adjusting support 43 can rotate synchronously with the stirring shaft 22. In order to realize that the stirring angle of the stirring blade 23 is adjustable between 0° and 360°, the stroke of the electric cylinder 41 Greater than the perimeter of the gear 24; in order to avoid jamming when adjusting the stirring angle, the side wall of the stirring shaft 22 is provided with a rotating bearing 25 for rotational connection with the end of the stirring blade 23; for the convenience of the rotating bearing 25 and the stirring shaft 22 The installation facilitates the processing of the stirring shaft 22 at the same time. An insert 221 is provided on the stirring shaft 22 , and a stepped hole for installing the rotating bearing 25 is opened on the insert 221 .

In order to facilitate the installation of the drive assembly and simplify the structure, the first drive assembly 21 and the second drive assembly 31 have the same structure, the first drive assembly 21 includes a first support frame 211, and a first drive motor is fixed on the first support frame 211 212, the output shaft of the first drive motor 212 is provided with a first driving wheel 213, the stirring shaft 22 is provided with a first driven wheel 214, and the first driving wheel 213 and the first driven wheel 214 are connected by a belt; , the second drive assembly 31 includes a second support frame 211, the second support frame 211 is fixed with a second drive motor 212, the output shaft of the second drive motor 212 is provided with a second driving wheel 213, and the rotating support 32 is provided with There is a second driven wheel 214, and the second driving wheel 213 and the second driven wheel 214 are connected by a belt.

When using the chemical reaction kettle of the present invention, for raw materials with poor viscosity, when using the blade angle adjustment mechanism 4, after adjusting the stirring angle of the stirring blades, the electromagnet 35 is energized, the rotating bracket 32 is lifted, and the bristles are kept away from the kettle body. wall, the cleaning mechanism 3 does not work, and the stirring mechanism 2 drives the stirring shaft 22 to mix the raw materials. After the mixing is completed, the material is discharged from the discharge port 12. During cleaning, the electromagnet 35 is powered off, and the cleaning mechanism 3 cleans the inner wall of the kettle; For raw materials with strong viscosity, after adjusting the stirring angle of the stirring blade through the blade angle adjustment mechanism 4, the electromagnet 35 is powered off, the cleaning mechanism 3 is energized and the stirring mechanism 2 rotates at a differential speed. The viscous raw materials are mixed more fully, which can not only prevent the raw materials from adhering to the cleaning mechanism 3, but also improve the mixing efficiency. Similarly, the cleaning mechanism 3 and the stirring mechanism 2 can be simultaneously operated during cleaning to improve the cleaning efficiency.

The chemical reaction kettle provided by the invention is provided with a cleaning mechanism, which can be automatically cleaned after the reaction kettle is used, and the operation is convenient. Adjust the stirring angle of the stirring blade according to the mixing characteristics of different raw materials, which has good versatility; there is an annular material accumulation groove at the bottom of the kettle body, and the discharge port is located under the annular material accumulation groove, which is convenient for discharging, improves the discharging efficiency, and avoids The raw materials remain and the production cost is reduced; the chemical reaction kettle of the invention can be cleaned automatically, the stirring angle can be adjusted, the adjustment is convenient, the versatility is strong, the material is easy to discharge, and the production waste is avoided.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and modifications can be made. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (10)

1. a chemical reaction kettle, is characterized in that, comprises: A kettle body (1), a feeding port (11) is provided on the side wall of the kettle body (1), and a discharging port (12) is provided at the bottom of the kettle body (1); The stirring mechanism (2) is located at the upper end of the kettle body (1), and the stirring mechanism (2) includes a first drive assembly (21), and the output end of the first drive assembly (21) is provided with the The stirring shaft (22) of the kettle body (1) is coaxial, the inside of the stirring shaft (22) is hollow, and the outer wall of the stirring shaft (22) is evenly distributed with rotatable stirring blades (23). A gear (24) is fixed at the end of (23), and the gear (24) is located inside the stirring shaft (22); A cleaning mechanism (3), located at the upper end of the kettle body (1) and symmetrically arranged with the stirring mechanism (2), the cleaning mechanism (3) includes a second drive assembly (31), the second drive assembly The output end of (31) is connected with a rotating bracket (32), the rotating bracket (32) is rotatably connected with the kettle body (1) and the stirring shaft (22), and the side wall of the rotating bracket (32) be provided with bristles for cleaning the inner wall of the kettle body (1); The blade angle adjustment mechanism (4) is located directly below the kettle body (1), and includes an electric cylinder (41), the output end of the electric cylinder (41) is provided with a coaxial with the kettle body (1) The support shaft (42) is provided in the stirring shaft (22), and rotatable adjustment supports (43) are evenly distributed on the support shaft (42). The support (43) is provided with a rack (433) meshing with the gear (24); the reciprocating motion of the rack (433) drives the gear (24) to adjust the stirring angle of the stirring blade (23) . 2. The chemical reaction kettle according to claim 1, wherein the rotating support (32) comprises an upper sleeve (321) sleeved on both ends of the stirring shaft (22) through a fixed bearing (33) ) and the lower sleeve (322), the outer walls of the upper sleeve (321) and the lower sleeve (322) are sleeved with a fixing ring (323), a mounting ring (324), and the fixing ring (323) Below the mounting ring (324), connecting rods (325) are hinged on both sides of the fixing ring (323), and connecting brackets (326) are hinged on both sides of the mounting ring (324). The frame (326) is movably connected to the connecting rod (325); the other end of the connecting rod (325) is hinged with a vertical baffle plate (327), and the vertical baffle plate (327) is evenly distributed with bristles. 3. The chemical reaction kettle according to claim 2, characterized in that: the connecting rod (325) is provided with a bar-shaped chute (3251), and the connecting frame (326) is provided with and the bar The connecting shaft corresponding to the shaped chute (3251). 4. The chemical reaction kettle according to claim 2, characterized in that: a lifting rod (34) is pierced through the connecting rod (325), and support blocks (341) are evenly distributed on the lifting rod (34). ), the top of the lifting rod (34) is provided with a magnetic attraction ring (342), and an electromagnet (35) mounted on the kettle body (1) is provided just above the magnetic attraction ring (342). 5. The chemical reaction kettle according to claim 1, characterized in that: the adjustment support (43) comprises a support bearing (431) fixed on the support shaft (42) through a collar, the A support plate (432) is sleeved on the outer wall of the support bearing (431), and racks (433) for meshing with the gear (24) are evenly distributed on the support plate (432). 6 . The chemical reaction kettle according to claim 1 , characterized in that: the side wall of the stirring shaft ( 22 ) is provided with a rotating bearing ( 25 ) for rotationally connecting with the end of the stirring blade ( 23 ). 7 . 7. The chemical reaction kettle according to claim 1, characterized in that: the first drive assembly (21) and the second drive assembly (31) have the same structure, and the first drive assembly (21) comprises There is a first support frame (211), a first drive motor (212) is fixed on the first support frame (211), and a first driving wheel (213) is arranged on the output shaft of the first drive motor (212). ), the stirring shaft (22) is provided with a first driven wheel (214), and the first driving wheel (213) and the first driven wheel (214) are connected by a belt. 8 . The chemical reaction kettle according to claim 1 , wherein the adjustment range of the stirring angle is 0° to 360°. 9 . 9. The chemical reaction kettle according to claim 1, characterized in that: the bottom of the kettle body (1) is provided with an inclined surface, and the inclined surface extends downward to form an annular material accumulation groove (13), and the discharge port (12) is located below the annular accumulation chute (13). 10. The chemical reaction kettle according to claim 1, characterized in that: both ends of the rotating support (32) are rotatably connected to the kettle body (1) through sealed bearings (36).

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