Trimethylbenzoyl chloride reaction kettle

Abstract

The utility model belongs to the technical field of reaction kettles, and discloses a trimethylbenzoyl chloride reaction kettle which comprises a kettle body, a kettle cover is arranged at the top end of the kettle body, and a stirring mechanism is arranged in the kettle cover. The stirring mechanism comprises a rotating rod and stirring rods; the rotating rod rotates in the kettle cover; the stirring rods are fixed at the bottom end of the rotating rod and are in an annular array; the motor drives the plate body and the stirring rod to rotate, so that the stirring rod stirs a raw material mixed solution in the kettle body, the raw material solution is uniformly heated, the reaction rate and the product purity of trimethylbenzoyl chloride are improved, and meanwhile, the scraper moves outwards under the action of centrifugal force, so that materials on the inner wall of the kettle body are scraped out by the scraper; therefore, materials are prevented from being attached to the tank wall and locally heated and scaled, the heat transfer efficiency of the reaction kettle is improved, the service life of the reaction kettle is prolonged, the inner wall of the kettle body is conveniently cleaned through the cleaning plate by turning over the mounting seat, and the convenience of cleaning the kettle body is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of reaction kettle, specifically a kind of trimethyl benzoyl chloride reaction kettle. BACKGROUND

[0002] In the production process of trimethyl benzoyl chloride, the reaction kettle is the core equipment. The reaction of trimethyl benzoyl chloride requires extremely high uniformity of temperature, and if the heating is not uniform during the reaction, it is easy to lead to incomplete reaction, reduce the purity of product, and at the same time, a large amount of by-products will be produced, increasing the cost of subsequent separation and purification. In addition, the material is easy to adhere to the wall of the reaction kettle during the reaction, which not only affects the heat transfer efficiency of the reaction kettle, but also the adhered material is easy to scale when locally heated, which seriously affects the service life of the reaction kettle and the continuity of production, and frequent shutdown cleaning is required.

[0003] Therefore, a trimethyl benzoyl chloride reaction kettle is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] To solve the problems raised in the background art, the utility model provides a trimethyl benzoyl chloride reaction kettle, which realizes efficient stirring to ensure uniform mixing and uniform heating of the material, and has a tank wall scraping function to avoid material adhesion and local heating scaling, improve the production quality and efficiency of trimethyl benzoyl chloride, and prolong the service life of the reaction kettle.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a trimethyl benzoyl chloride reaction kettle, comprising a kettle body, a kettle cover is arranged at the top end of the kettle body, and a stirring mechanism is arranged inside the kettle cover;

[0006] The stirring mechanism comprises a rotating shaft rotating in the kettle cover and a stirring rod fixed to the bottom end of the rotating shaft and arranged in an annular array, a motor is mounted on the surface of the kettle cover, the output end of the motor is connected with the rotating shaft, the outer end of the stirring rod is fixedly connected with a plate body, a mounting seat is rotatably connected inside the plate body, a first mounting plate is arranged on one side of the mounting seat, and a scraper is slidably connected inside the first mounting plate.

[0007] Preferably, a heating cavity in an annular structure is formed in the inside of the kettle body, a heating pipe in a spiral structure is mounted inside the heating cavity, and a heat conducting medium is filled inside the heating cavity.

[0008] Preferably, a second mounting plate is mounted on the side of the mounting seat away from the first mounting plate, a cleaning plate is fixedly connected to the surface of the second mounting plate, and mounting grooves are formed on the side of the mounting seat close to the second mounting plate and the first mounting plate.

[0009] Preferably, the top end of the plate body is rotationally connected with a rotating member, and the rotating member is connected with the mounting seat.

[0010] Preferably, the top end of the plate body is fixedly connected with an elastic lug, and the bottom surface of the rotating member is symmetrically provided with a groove near one side of the elastic lug.

[0011] Preferably, the surface of the mounting seat is provided with a mounting mechanism, the mounting mechanism comprises a limiting block which is slidingly connected to the inside top end of the mounting seat and close to the cleaning plate, the cross section of the limiting block is in L-shaped structure, the side surface of the limiting block is fixedly connected with a pushing block, the top end of the limiting block is symmetrically fixedly connected with a spring, and the top end of the spring is connected with the mounting seat.

[0012] Preferably, the two sides of the kettle body are fixedly connected with hydraulic cylinders through mounting racks, and the output ends of the hydraulic cylinders are connected with the kettle cover.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a stirring mechanism is set up, and the plate body and the stirring rod are rotated through the motor, and the stirring rod stirs the raw material mixed solution in the kettle body, and the raw material liquid is uniformly heated, the reaction rate of trimethyl benzoyl chloride and product purity are improved, the scraper moves to the outside under the centrifugal force, and the scraper scrapes the material on the kettle inner wall, thereby avoiding that the material is attached on the tank wall and is locally heated and scales, the heat transfer efficiency of the reaction kettle is improved, the service life of the reaction kettle is prolonged, and through the turnover mounting seat, the kettle inner wall is cleaned through the cleaning plate, and the convenience of cleaning the kettle is improved.

[0015] 2、The utility model discloses an installation mechanism is set up, and the limiting block is moved through the pushing block, can remove the location of the cleaning plate, and the convenience of dismounting and installing operation of the cleaning plate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the sectional view of the kettle body in the utility model;

[0018] Figure 3 It is the structure schematic view of the mounting seat and the cleaning plate in the utility model;

[0019] Figure 4 It is the utility model Figure 3 The enlarged view of A in the utility model.

[0020] As shown in the figure: 1, kettle body; 2, stirring mechanism; 21, motor; 22, rotating rod; 23, plate body; 24, stirring rod; 25, scraper; 26, mounting seat; 27, cleaning plate; 28, elastic lug; 29, rotating piece; 210, second mounting plate; 211, first mounting plate; 3, mounting mechanism; 31, limiting block; 32, push block; 33, spring; 4, kettle cover; 5, hydraulic cylinder; 6, heating pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] As Figures 1 to 4 shown, the utility model provides a kind of trimethyl benzoyl chloride reaction kettle, including kettle body 1, kettle body 1 top is provided with kettle cover 4, the inside of kettle cover 4 is provided with stirring mechanism 2;

[0023] Stirring mechanism 2 includes rotating rod 22 rotating in the inside of kettle cover 4 and stirring rod 24 being fixed in the bottom end of rotating rod 22 and being annular array, the surface of kettle cover 4 is installed with motor 21, and the output end of motor 21 is connected with rotating rod 22, the outside end of stirring rod 24 is fixedly connected with plate body 23, plate body 23 is rotatably connected with mounting seat 26 in the inside, one side of mounting seat 26 is provided with first mounting plate 211, and first mounting plate 211 is slidably connected with scraper 25 in the inside, in trimethyl benzoyl chloride preparation process, rotating rod 22 is driven to rotate by motor 21, then rotating rod 22 will drive plate body 23 and stirring rod 24 to rotate, so that stirring rod 24 stirs raw material mixed solution in the inside of kettle body 1, so that raw material liquid is uniformly heated, improve the reaction rate and product purity of trimethyl benzoyl chloride, simultaneously, scraper 25 moves to outside by centrifugal force, so that scraper 25 scrapes material in the inner wall of kettle body 1, to avoid that material is attached and locally heated and scales in tank wall, improve the heat transfer efficiency of reaction kettle, prolong the service life of reaction kettle.

[0024] As Figures 1 to 4 shown, heating cavity of annular structure is set up in the inside of kettle body 1, the inside of this heating cavity is installed with heating pipe 6 of spiral structure, and the inside of this heating cavity is filled with heat conducting medium, the heating efficiency of raw material is improved by heating pipe 6 of spiral structure.

[0025] The surface of the mounting seat 26 away from the first mounting plate 211 side is provided with the second mounting plate 210, the surface of the second mounting plate 210 is fixedly connected with the cleaning plate 27, the surface of the mounting seat 26 close to the second mounting plate 210 and the first mounting plate 211 side is provided with the mounting groove, the top end of the plate body 23 is rotatably connected with the rotating piece 29, and the rotating piece 29 is connected with the mounting seat 26; the top end of the plate body 23 is fixedly connected with the elastic lug 28, the bottom surface of the rotating piece 29 close to the elastic lug 28 side is symmetrically provided with the groove, when it is needed to clean the inside of the kettle body 1, first, add cleaning liquid into the kettle body 1, then rotate the rotating piece 29 to drive the mounting seat 26 to rotate 180 degrees, so that the cleaning plate 27 is located outside the plate body 23, that is, the cleaning plate 27 can be rotated by starting the motor 21 to clean the inner wall of the kettle body 1, improve the convenience of cleaning the kettle body 1, and the elastic lug 28 can limit the rotating piece 29 after rotating, improve the stability of the mounting seat 26 after turning over.

[0026] As shown in Figures 1 to 4 The surface of the mounting seat 26 is provided with the mounting mechanism 3, the mounting mechanism 3 includes the limiting block 31 slidably connected inside the top end of the mounting seat 26 close to the cleaning plate 27, the cross section of the limiting block 31 is L-shaped structure, the side surface of the limiting block 31 is fixedly connected with the push block 32, the top end of the limiting block 31 is symmetrically fixedly connected with the spring 33, and the top end of the spring 33 is connected with the mounting seat 26, the limiting block 31 is driven by the push block 32 to move upward, the limiting of the upper side of the cleaning plate 27 by the limiting block 31 is released, the cleaning plate 27 can be pulled out to clean or replace the cleaning plate 27.

[0027] The two sides of the kettle body 1 are fixedly connected with the hydraulic cylinder 5 through the mounting frame, and the output end of the hydraulic cylinder 5 is connected with the kettle cover 4, the kettle cover 4 is driven to move upward by starting the hydraulic cylinder 5, so as to facilitate adding raw materials into the kettle body 1.

[0028] Working principle and process: in the preparation process of trimethyl benzoyl chloride, the kettle cover 4 is pushed up by starting the hydraulic cylinder 5, then the reaction raw materials are added to the inside of the kettle body 1, at the same time, the raw materials in the kettle body 1 are heated by the heating pipe 6, the motor 21 drives the rotating rod 22 to rotate, then the rotating rod 22 drives the plate body 23 and the stirring rod 24 to rotate, so that the stirring rod 24 stirs the mixed liquid of the raw materials in the kettle body 1, so that the raw material liquid is uniformly heated, the reaction rate and product purity of trimethyl benzoyl chloride are improved, at the same time, the scraper 25 moves outward under the centrifugal force, so that the scraper 25 scrapes the materials on the inner wall of the kettle body 1, thereby avoiding the problems of material adhesion and local heating and scaling on the tank wall, improving the heat transfer efficiency of the reaction kettle, prolonging the service life of the reaction kettle, rotating the rotating part 29 can drive the mounting seat 26 to rotate 180 degrees, so that the cleaning plate 27 is located outside the plate body 23, that is, the cleaning plate 27 can be rotated by starting the motor 21 to clean the inner wall of the kettle body 1, improving the convenience of cleaning the kettle body 1, pulling the pull block 32 to drive the limiting block 31 to move upward, releasing the limiting of the upper side of the cleaning plate 27 by the limiting block 31, that is, the cleaning plate 27 can be pulled out to clean or replace the cleaning plate 27, improving the convenience of installing and dismounting the cleaning plate 27, and facilitating the maintenance of the equipment.

[0029] It should be noted that in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A trimethylbenzoyl chloride reaction vessel, comprising a vessel body (1), wherein a vessel lid (4) is provided at the top of the vessel body (1), characterized in that: The inside of the lid (4) is provided with a stirring mechanism (2); The stirring mechanism (2) includes a rotating rod (22) that rotates inside the lid (4) and stirring rods (24) fixed at the bottom of the rotating rod (22) and arranged in a ring array. A motor (21) is installed on the surface of the lid (4), and the output end of the motor (21) is connected to the rotating rod (22). A plate (23) is fixedly connected to the outer end of the stirring rod (24). A mounting base (26) is rotatably connected inside the plate (23). A first mounting plate (211) is provided on one side of the mounting base (26), and a scraper (25) is slidably connected inside the first mounting plate (211).

2. The trimethylbenzoyl chloride reaction vessel according to claim 1, characterized in that: The vessel body (1) has an annular heating chamber inside, and a spiral heating tube (6) is installed inside the heating chamber, which is filled with a heat-conducting medium.

3. The trimethylbenzoyl chloride reaction vessel according to claim 1, characterized in that: A second mounting plate (210) is mounted on the side of the mounting base (26) away from the first mounting plate (211). A cleaning plate (27) is fixedly connected to the surface of the second mounting plate (210). Mounting grooves are provided on the side of the mounting base (26) close to both the second mounting plate (210) and the first mounting plate (211).

4. The trimethylbenzoyl chloride reaction vessel according to claim 3, characterized in that: The top of the plate (23) is rotatably connected to a rotating component (29), and the rotating component (29) is connected to the mounting base (26).

5. The trimethylbenzoyl chloride reaction vessel according to claim 4, characterized in that: The top of the plate (23) is fixedly connected to an elastic protrusion (28), and the bottom surface of the rotating part (29) is symmetrically provided with grooves on the side near the elastic protrusion (28).

6. The trimethylbenzoyl chloride reaction vessel according to claim 5, characterized in that: The surface of the mounting base (26) is provided with a mounting mechanism (3). The mounting mechanism (3) includes a limiting block (31) that is slidably connected to the top of the mounting base (26) near the cleaning plate (27). The limiting block (31) has an L-shaped cross-section. A toggle block (32) is fixedly connected to the side of the limiting block (31). A spring (33) is symmetrically fixedly connected to the top of the limiting block (31). The top of the spring (33) is connected to the mounting base (26).

7. The trimethylbenzoyl chloride reaction vessel according to claim 1, characterized in that: Hydraulic cylinders (5) are fixedly connected to both sides of the vessel body (1) by mounting brackets, and the output end of the hydraulic cylinders (5) is connected to the vessel cover (4).

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