Methyl acetoacetate preparation reaction kettle with multiple mixing structures

Abstract

The methyl acetoacetate preparation reaction kettle with the multiple mixing structures comprises a kettle body, the inner wall of the kettle body is fixedly connected with a partition plate body, a plurality of penetrating openings are formed in the surface of the partition plate body in a penetrating mode, the lower surface of the partition plate body is fixedly connected with a plurality of connecting cylinders corresponding to the penetrating openings, and the lower surface of the partition plate body is fixedly connected with the connecting cylinders. The bottom of the connecting cylinder is fixedly connected with a discharging funnel, and the top of the kettle body is fixedly connected with a servo motor. According to the reaction kettle disclosed by the utility model, the material pump is started, materials at the bottom of the kettle body are pumped by the material pump through the first connecting pipeline, then the materials enter the kettle body through the second connecting pipeline and fall onto the material receiving disc, and when the material receiving disc rotates, the materials in the material receiving disc are thrown out through the plurality of sprinkling pipelines and then fall onto the partition plate body; the materials enter a plurality of connecting cylinders through a plurality of penetrating openings, slowly flow down through a discharging hopper and then are continuously stirred by a stirring rod, and the mixing effect of the materials is improved through a multi-mixing structure.

Description

Technical Field

[0001] The utility model relates to the technical field of reactors, in particular to a methyl acetoacetate preparation reactor with a multiple mixing structure. Background Art

[0002] Methyl acetoacetate, with a molecular formula of C5H803 and a molecular weight of 116, is a colorless liquid with a special odor and is easily soluble in water. It is mainly used as an intermediate in the pharmaceutical industry, pesticides, and herbicides. It is widely used in organic synthesis such as pesticides, medicines, dyes, and polymer stabilizers. A reactor is required for the preparation of methyl acetoacetate.

[0003] At present, methyl acetoacetate needs to be mixed and stirred in a reactor during the preparation process. The traditional reactor mixing structure is relatively simple, and the single stirring method makes the mixing effect of methyl acetoacetate preparation unsatisfactory, and the mixing efficiency needs to be improved. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a methyl acetoacetate preparation reaction kettle with a multiple mixing structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a methyl acetoacetate preparation reaction kettle with a multiple mixing structure, comprising a kettle body, the inner wall of the kettle body is fixedly connected to a partition plate body, the surface of the partition plate body is penetrated with a plurality of through-holes, the lower surface of the partition plate body is fixedly connected to a plurality of connecting tubes corresponding to the through-holes, the bottom of the connecting tube is fixedly connected to a feeding funnel, the top of the kettle body is fixedly connected to a servo motor, the output shaft of the servo motor extends to the interior of the kettle body and is fixedly connected to a rotating connecting shaft, the outer surface of the rotating connecting shaft and located above the partition plate body is installed with a sprinkling assembly, the outer surface of the rotating connecting shaft and located below the partition plate body is installed with multiple groups of stirring assemblies, and the outer side wall of the kettle body is installed with a pumping assembly.

[0006] As a further description of the above technical solution:

[0007] The material sprinkling assembly comprises a material receiving tray fixedly connected to the outer surface of the rotating connecting shaft, the material receiving tray is located above the partition plate body, and a plurality of sprinkling pipes are fixedly connected to the outer surface of the material receiving tray.

[0008] As a further description of the above technical solution:

[0009] The stirring assembly comprises a fixed collar fixedly connected to the outer surface of the rotating connecting shaft, and a plurality of stirring rods are fixedly connected to the outer surface of the fixed collar, and the stirring rods are located below the partition plate body.

[0010] As a further description of the above technical solution:

[0011] The material extraction assembly includes a mounting seat fixedly connected to the side wall of the kettle body, a material extraction pump is fixedly connected to the upper surface of the mounting seat, an inlet of the material extraction pump is fixedly connected to a first connecting pipe, an end of the first connecting pipe away from the material extraction pump is connected to the bottom of the kettle body, and an outlet of the material extraction pump is fixedly connected to a second connecting pipe, an end of the second connecting pipe away from the material extraction pump is connected to the top of the kettle body.

[0012] As a further description of the above technical solution:

[0013] A feed pipe is fixedly connected to the side wall of the kettle body, the bottom of the feed pipe is located below the partition plate body, and a feed hopper is fixedly connected to the top of the feed pipe.

[0014] As a further description of the above technical solution:

[0015] A discharge pipe is fixedly connected to the bottom of the kettle body, and a discharge valve is installed on the discharge pipe.

[0016] The utility model has the following beneficial effects:

[0017] Compared with the prior art, the methyl acetoacetate preparation reaction kettle with a multiple mixing structure starts a material extraction pump, which extracts material at the bottom of the kettle body through a first connecting pipe, and then the material enters the interior of the kettle body through a second connecting pipe and falls onto a receiving tray. When the receiving tray rotates, the material inside is thrown out through multiple spilling pipes, and then falls onto a partition plate body, enters multiple connecting cylinders through multiple through-holes, slowly flows down through a material discharge funnel, and then continues to be stirred by a stirring rod. The multiple mixing structures are set to increase the mixing effect of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a methyl acetoacetate preparation reaction kettle with a multiple mixing structure proposed by the utility model;

[0019] Figure 2 This is a cross-sectional view of a methyl acetoacetate preparation reaction kettle with a multiple mixing structure proposed by the utility model;

[0020] Figure 3 The utility model discloses a schematic diagram of the internal structure of a methyl acetoacetate preparation reactor with a multiple mixing structure.

[0021] Legend:

[0022] 1. Kettle body; 2. Mounting seat; 3. Extraction pump; 4. First connecting pipe; 5. Second connecting pipe; 6. Partition plate; 7. Through-hole; 8. Connecting tube; 9. Feeding funnel; 10. Servo motor; 11. Receiving tray; 12. Sprinkling pipe; 13. Rotating connecting shaft; 14. Fixed collar; 15. Stirring rod; 16. Feeding pipe; 17. Feeding hopper. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figures 1 to 3 The utility model provides a methyl acetoacetate preparation reactor with a multiple mixing structure: comprising a reactor body 1, a partition plate body 6 is fixedly connected to the inner wall of the reactor body 1, a plurality of through holes 7 are penetrated through the surface of the partition plate body 6, a plurality of connecting tubes 8 corresponding to the through holes 7 are fixedly connected to the lower surface of the partition plate body 6, a feeding funnel 9 is fixedly connected to the bottom of the connecting tube 8, a servo motor 10 is fixedly connected to the top of the reactor body 1, an output shaft of the servo motor 10 extends to the inside of the reactor body 1 and is fixedly connected to a rotating connecting shaft 13, the rotating connecting shaft 13 penetrates the surface of the partition plate body 6, the servo motor 10 is started, the output shaft of the servo motor 10 drives the rotating connecting shaft 13 to rotate, and the rotating connecting shaft 13 drives the connecting tube 13 to rotate. The material tray 11 rotates with the multiple stirring rods 15, and the multiple stirring rods 15 mix and stir the materials at the bottom of the kettle body 1. A material sprinkling assembly is installed on the outer surface of the rotating connecting shaft 13 and located above the partition plate body 6. The material sprinkling assembly includes a receiving tray 11 fixedly connected to the outer surface of the rotating connecting shaft 13, the receiving tray 11 is located above the partition plate body 6, and the outer surface of the receiving tray 11 is fixedly connected to multiple sprinkling pipes 12. The material pump 3 is started, and the material pump 3 extracts the material at the bottom of the kettle body 1 through the first connecting pipe 4, and then the material enters the interior of the kettle body 1 through the second connecting pipe 5 and falls onto the receiving tray 11. When the receiving tray 11 rotates, the material inside is thrown out through the multiple sprinkling pipes 12, which has a certain mixing effect.

[0025] A plurality of stirring assemblies are installed on the outer surface of the rotating connecting shaft 13 and located below the partition plate 6. The stirring assemblies include a fixed collar 14 fixedly connected to the outer surface of the rotating connecting shaft 13. A plurality of stirring rods 15 are fixedly connected to the outer surface of the fixed collar 14. The stirring rods 15 are located below the partition plate 6.

[0026] The outer wall of the kettle body 1 is installed with a material extraction component, which includes a mounting seat 2 fixedly connected to the side wall of the kettle body 1, a material extraction pump 3 fixedly connected to the upper surface of the mounting seat 2, a first connecting pipe 4 fixedly connected to the inlet of the material extraction pump 3, an end of the first connecting pipe 4 away from the material extraction pump 3 is connected to the bottom of the kettle body 1, and a second connecting pipe 5 is fixedly connected to the outlet of the material extraction pump 3, and an end of the second connecting pipe 5 away from the material extraction pump 3 is connected to the top of the kettle body 1;

[0027] A feed pipe 16 is fixedly connected to the side wall of the kettle body 1, the bottom of the feed pipe 16 is located below the partition plate body 6, a feed hopper 17 is fixedly connected to the top of the feed pipe 16, and a discharge pipe is fixedly connected to the bottom of the kettle body 1, and a discharge valve is installed on the discharge pipe.

[0028] Working principle:

[0029] When in use, materials for preparing methyl acetoacetate are added to the inside of the feed hopper 17, and the materials enter the inside of the kettle body 1 through the feed pipe 16, and the servo motor 10 is started, and the output shaft of the servo motor 10 rotates with the rotating connecting shaft 13, and the rotating connecting shaft 13 rotates with the receiving plate 11 and the multiple stirring rods 15, and the multiple stirring rods 15 mix and stir the materials at the bottom of the kettle body 1;

[0030] Then start the extraction pump 3, which extracts the material at the bottom of the kettle body 1 through the first connecting pipe 4, and then the material enters the interior of the kettle body 1 through the second connecting pipe 5 and falls onto the receiving tray 11. When the receiving tray 11 rotates, the material inside is thrown out through multiple spilling pipes 12, and then falls onto the partition plate body 6, enters multiple connecting tubes 8 through multiple through-holes 7, slowly flows down through the discharge funnel 9, and then continues to be stirred by the stirring rod 15. The mixing effect of the material is increased by setting up multiple mixing structures.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A methyl acetoacetate preparation reactor with a multiple mixing structure, comprising a reactor body (1), characterized in that: The inner wall of the kettle body (1) is fixedly connected to a partition plate body (6), a plurality of through openings (7) are formed through the surface of the partition plate body (6), a plurality of connecting tubes (8) corresponding to the through openings (7) are fixedly connected to the lower surface of the partition plate body (6), a discharge funnel (9) is fixedly connected to the bottom of the connecting tube (8), a servo motor (10) is fixedly connected to the top of the kettle body (1), an output shaft of the servo motor (10) extends to the interior of the kettle body (1) and is fixedly connected to a rotating connecting shaft (13), a material sprinkling assembly is installed on the outer surface of the rotating connecting shaft (13) and located above the partition plate body (6), a plurality of stirring assemblies are installed on the outer surface of the rotating connecting shaft (13) and located below the partition plate body (6), and a material extraction assembly is installed on the outer side wall of the kettle body (1).

2. The methyl acetoacetate preparation reactor with a multiple mixing structure according to claim 1, characterized in that: The material sprinkling assembly comprises a material receiving tray (11) fixedly connected to the outer surface of a rotating connecting shaft (13); the material receiving tray (11) is located above the partition plate body (6); and a plurality of sprinkling pipes (12) are fixedly connected to the outer surface of the material receiving tray (11).

3. The methyl acetoacetate preparation reactor with a multiple mixing structure according to claim 1, characterized in that: The stirring assembly comprises a fixed collar (14) fixedly connected to the outer surface of the rotating connecting shaft (13), and a plurality of stirring rods (15) are fixedly connected to the outer surface of the fixed collar (14), and the stirring rods (15) are located below the partition plate (6).

4. The methyl acetoacetate preparation reactor with a multiple mixing structure according to claim 1, characterized in that: The material extraction assembly comprises a mounting seat (2) fixedly connected to the side wall of the kettle body (1); a material extraction pump (3) is fixedly connected to the upper surface of the mounting seat (2); an inlet of the material extraction pump (3) is fixedly connected to a first connecting pipe (4); an end of the first connecting pipe (4) away from the material extraction pump (3) is connected to the bottom of the kettle body (1); an outlet of the material extraction pump (3) is fixedly connected to a second connecting pipe (5); an end of the second connecting pipe (5) away from the material extraction pump (3) is connected to the top of the kettle body (1).

5. The methyl acetoacetate preparation reactor with a multiple mixing structure according to claim 1, characterized in that: A feed pipe (16) is fixedly connected to the side wall of the kettle body (1), the bottom of the feed pipe (16) is located below the partition plate body (6), and the top of the feed pipe (16) is fixedly connected to a feed hopper (17).

6. The methyl acetoacetate preparation reactor with a multiple mixing structure according to claim 1, characterized in that: A discharge pipe is fixedly connected to the bottom of the kettle body (1), and a discharge valve is installed on the discharge pipe.

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