The utility model relates to a method for preparing 4, 4apos; methyl-dimethoxy acetoacetate reaction kettle device

Abstract

The utility model provides a 4, 4 '-dimethoxy acetoacetic acid methyl ester preparation reaction kettle device, including mounting rack, kettle body, two blender and electric turntable, the kettle body is fixed through the top of mounting rack, two blender are respectively fixed and connected to the both sides of kettle body bottom, the electric turntable passes through the top of kettle body, and the electric turntable passes through the top of kettle body. The cleaning device has the advantages that the two electric lifting rods are started to push the circular plate downwards, so that the high-pressure spray head and the cleaning brush move downwards, the electric rotary table is started at the same time, and the circular plate is driven to rotate through the two electric lifting rods; the telescopic washing assembly is driven to perform circular motion in the kettle body and uniformly wash the inner wall of the kettle body, and meanwhile, the bending frame can drive the scrubbing brush to perform circumferential scrubbing on the inner wall of the kettle body, so that the residual solution on the inner wall of the reaction kettle is effectively reduced, the proportioning accuracy of the 4, 4 '-dimethoxy methyl acetoacetate solution is improved, and the yield of the 4, 4'-dimethoxy methyl acetoacetate solution is improved. The processing quality of the methyl 4, 4 '-dimethoxy acetoacetate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of preparation 4,4'-dimethoxy acetoacetic acid methyl ester reaction kettle device, belong to compound processing equipment field. BACKGROUND

[0002] 4,4'-dimethoxy acetoacetic acid methyl ester is an organic compound, belongs to ester compound, and key chemical structure makes it have important application value in synthesis and pharmaceutical etc., and reaction kettle is needed to be used in the production and processing process to 4,4'-dimethoxy acetoacetic acid methyl ester to carry out sufficient mixing to compound raw material.

[0003] In prior art, the production raw material of 4,4'-dimethoxy acetoacetic acid methyl ester is transported into reaction kettle for mixing reaction after accurate proportioning, and the capacity of reaction kettle is limited, so that 4,4'-dimethoxy acetoacetic acid methyl ester needs to be processed in batches, and the inner wall of reaction kettle needs to be cleaned after each processing, and the cleaning mode is usually water washing mode, and single water washing mode cannot guarantee that the compound adhered on the inner wall of kettle body can be completely removed, so that compound residue appears in the inside of kettle body, and then the proportioning processing accuracy of 4,4'-dimethoxy acetoacetic acid methyl ester of next batch is influenced.

[0004] Therefore, the utility model provides a kind of preparation 4,4'-dimethoxy acetoacetic acid methyl ester reaction kettle device to solve above-mentioned problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a kind of preparation 4,4'-dimethoxy acetoacetic acid methyl ester reaction kettle device to solve the problem that water flow flushes the inside of kettle body and cannot guarantee that residual compound is completely cleaned in the background art.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of preparation 4,4'-dimethoxy acetoacetic acid methyl ester reaction kettle device, including mounting bracket, kettle body, two mixers and electric turntable, the kettle body is fixedly penetrated in the top of mounting bracket, two the mixers are respectively fixedly connected in the bottom of kettle body Two sides, the electric turntable is penetrated in the top of kettle body, the inside of kettle body is fixedly sleeved with baffle, the top of electric turntable is fixedly installed with connecting barrel Two sides, the top of the inner wall of two connecting barrels is fixedly installed with electric lifting rod, the output end of two electric lifting rods is all penetrated electric turntable and extends to the above of baffle, the top and bottom between baffle and located at baffle center of circle Embed a round plate, the output end of two electric lifting rods extends to the two sides of the top of round plate respectively, the top of electric turntable and the bottom of round plate are penetrated with telescopic water washing assembly, one side of the bottom of round plate is fixedly connected with cleaning brush.

[0007] Further, the inside of the partition plate is provided with a circular hole matched with the circular plate, and a sealing rubber ring is fixedly sleeved in the circular hole.

[0008] Further, the top and the bottom of the electric rotating table are provided with through holes matched with the electric lifting rods, and the output ends of the electric lifting rods are fixedly connected with the top of the circular plate.

[0009] Further, one side of the kettle body and below the partition plate is communicated with a feeding pipe, and the bottom of the kettle body is communicated with a discharging pipe.

[0010] Further, the telescopic washing assembly comprises a water inlet pipe and a bent pipe, the water inlet pipe is fixedly penetrated between the top and the bottom of the electric rotating table and located at the center of the electric rotating table, the top end of the water inlet pipe is rotatably connected with a conveying pipe, the bottom end of the water inlet pipe is communicated with a telescopic hose, the bent pipe is penetrated between the top and the bottom of the circular plate and located at the center of the circular plate, the bottom end of the telescopic hose extends to the top end of the bent pipe, the other end of the bent pipe is communicated with a water outlet pipe, and one end of the water outlet pipe is communicated with a high-pressure nozzle.

[0011] Further, the bent pipe is communicated with the telescopic hose, and the water inlet pipe is communicated with the conveying pipe.

[0012] Further, the cleaning brush tool comprises a bent frame, one side of the bottom of the circular plate is fixedly connected with the bent frame, and the end, away from the circular plate, of the bent frame and located at one side of the inner wall of the kettle body is fixedly connected with a plate brush.

[0013] The utility model discloses the beneficial effects of:

[0014] by starting two electric lifting rods, push down circular plate, make high-pressure nozzle and cleaning brush tool move down, start electric rotating table simultaneously, drive circular plate to rotate through two electric lifting rods, drive telescopic washing assembly to carry out circular motion in the inside of kettle body and carry out uniform washing to the inner wall of kettle body, and the bent frame can drive plate brush to carry out circular brush washing on the inner wall of kettle body, effectively reduce the residue of solution on the inner wall of reaction kettle, improve 4, 4 '-dimethoxy acetoacetic acid methyl ester solution proportioning accuracy, improve the processing quality of 4, 4 '-dimethoxy acetoacetic acid methyl ester.

[0015] start external water pump, water source is sent from the conveying pipe in the inside of telescopic washing assembly to water inlet pipe, telescopic hose, bent pipe, water outlet pipe and high-pressure nozzle in proper order and is sprayed through high-pressure nozzle, and the water outlet pipe is bent to the angle of °, makes the water outlet direction of high-pressure nozzle be inclined downward, thereby can carry out quick washing to the inner wall of kettle body, and can effectively avoid water splashing upward, improve the washing efficiency of the inner wall of reaction kettle. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, read in conjunction with the accompanying drawings:

[0017] Figure 1 A perspective view of a reaction kettle device for preparing 4,4'-dimethoxy acetoacetic acid methyl ester according to the present application;

[0018] Figure 2 A front view of a reaction kettle device for preparing 4,4'-dimethoxy acetoacetic acid methyl ester according to the present application;

[0019] Figure 3 A main sectional view of a reaction kettle device for preparing 4,4'-dimethoxy acetoacetic acid methyl ester according to the present application;

[0020] Figure 4 A Figure 3 A front view of the bending frame.

[0021] In the figure: 1, mounting frame; 2, kettle body; 3, mixer; 4, electric turntable; 5, connecting cylinder; 6, electric lifting rod; 7, partition; 8, telescopic washing assembly; 9, cleaning brush; 10, round plate; 11, feeding pipe; 12, discharging pipe; 81, water inlet pipe; 82, conveying pipe; 83, telescopic hose; 84, bending pipe; 85, high-pressure spray head; 86, water outlet pipe; 91, bending frame; 92, plate brush. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects achieved by the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of preparation 4,4'-dimethoxy acetoacetic acid methyl ester reaction kettle device, including mounting frame 1, kettle body 2, two mixers 3 and electric turntable 4, kettle body 2 is fixedly penetrated in the top of mounting frame 1, two mixers 3 are respectively fixedly connected in the two sides of kettle body 2 bottom, electric turntable 4 is penetrated in the top of kettle body 2, the inside of kettle body 2 is fixedly equipped with baffle 7, both sides of the top of electric turntable 4 are fixedly installed with connecting barrel 5, the top of the inner wall of two connecting barrels 5 is fixedly installed with electric lifting rod 6, the output end of two electric lifting rods 6 is all penetrated electric turntable 4 and extends to the above of baffle 7, baffle 7 is embedded with round plate 10 between the top and bottom and at the center of circle of baffle 7, the output end of two electric lifting rods 6 extends to the two sides of the top of round plate 10 respectively, and the top of electric turntable 4 is penetrated with telescopic washing assembly 8 between the bottom of round plate 10, one side of the bottom of round plate 10 is fixedly connected with cleaning brush 9, two mixers 3 are mirror image and are installed obliquely, and the vortex direction produced in stirring process is different, so that the turbulence effect is generated, the mixing efficiency of compound in the inside of kettle body 2 can be effectively improved, the round table of electric turntable 4 can be driven rotary by external motor and gear transmission group, so that telescopic washing assembly 8 and cleaning brush 9 can be driven rotary in the inside of kettle body 2 and the compound liquid adhered to the inner wall of kettle body 2 is cleaned, electric turntable 4 is connected with external power supply and is provided with power control switch, the inside of baffle 7 is provided with round hole matched with the embedding of round plate 10, and the round hole is fixedly equipped with sealing rubber ring, the sealing property when round plate 10 is embedded in baffle 7 can be improved by sealing rubber ring, so that 4,4'-dimethoxy acetoacetic acid methyl ester is stirred and mixed in the inside of kettle body 2, liquid cannot splash to the above of baffle 7, so that the working environment of electric lifting rod 6 cannot be contaminated, the top and bottom of electric turntable 4 are provided with through hole matched with the penetration of electric lifting rod 6, the output end of electric lifting rod 6 is fixedly connected with the top of round plate 10, two electric lifting rods 6 are connected with external power supply and are provided with same power control switch, the side of kettle body 2 and below baffle 7 are communicated with feeding pipe 11, the bottom of kettle body 2 is communicated with discharge pipe 12, and electromagnetic valve is installed on feeding pipe 11 and discharge pipe 12 and is provided with power control switch.

[0024] Please refer to Figures 2-4, the telescopic water washing assembly 8 comprises a water inlet pipe 81 and a bent pipe 84, the water inlet pipe 81 is fixedly penetrated between the top and the bottom of the electric rotating table 4 and located at the center of the electric rotating table 4, the top end of the water inlet pipe 81 is rotationally connected with a conveying pipe 82, the bottom end of the water inlet pipe 81 is communicated with a telescopic hose 83, the bent pipe 84 is penetrated between the top and the bottom of the circular plate 10 and located at the center of the circular plate 10, the bottom end of the telescopic hose 83 extends to the top end of the bent pipe 84, the other end of the bent pipe 84 is communicated with a water outlet pipe 86, one end of the water outlet pipe 86 is communicated with a high-pressure nozzle 85, the high-pressure nozzle 85 realizes cleaning, coating or other treatment effect by pressurizing and spraying liquid (such as water or chemical liquid), and the pressurization is usually provided by a high-pressure pump, the top end of the conveying pipe 82 is communicated with an external water pump, so that clean water source can be conveyed to clean the inner wall of the kettle body 2, the bent pipe 84 is communicated with the telescopic hose 83, the water inlet pipe 81 is communicated with the conveying pipe 82, and the telescopic hose 83 can be stretched and contracted with the up-down movement of the circular plate 10, so that the normal conveying of water flow can be ensured.

[0025] Please refer to Figures 2-4 The cleaning brush 9 comprises a bent frame 91, the bent frame 91 is fixedly connected to one side of the bottom of the circular plate 10, the end of the bent frame 91 away from the circular plate 10 and located at one side of the inner wall of the kettle body 2 is fixedly connected with a plate brush 92, the bent frame 91 and the bent pipe 84 are both in right-angle bent shape, and the installation directions of the two right-angle bent shapes are opposite, and the water outlet pipe 86 is in 120° angle bent shape, so that the water outlet direction of the high-pressure nozzle 85 is in inclined downward shape, so that the inner wall of the kettle body 2 can be quickly washed, and water splashing upward can be effectively avoided.

[0026] Specific implementation: by opening the feeding pipe 11, the 4,4'-dimethoxy acetoacetate production raw material is conveyed into the kettle body 2, at the same time, the two stirring machines 3 are started, the 4,4'-dimethoxy acetoacetate liquid is quickly stirred and uniformly mixed, and then the valve on the discharging pipe 12 is opened, the 4,4'-dimethoxy acetoacetate solution is discharged.

[0027] The external water pump is started, the water source is sequentially conveyed from the conveying pipe 82 in the telescopic water washing assembly 8 to the water inlet pipe 81, the telescopic hose 83, the bent pipe 84, the water outlet pipe 86 and the high-pressure nozzle 85, and sprayed out through the high-pressure nozzle 85, the water outlet pipe 86 is in 120° angle bent shape, so that the water outlet direction of the high-pressure nozzle 85 is in inclined downward shape, so that the inner wall of the kettle body 2 can be quickly washed, and water splashing upward can be effectively avoided.

[0028] Start two electric lifting rods 6, push down the round plate 10, make the high pressure spray head 85 and the cleaning brush 9 move down, at the same time start the electric rotating table 4, drive the round plate 10 to rotate through two electric lifting rods 6, so that the high pressure spray head 85 can move in a circle in the inside of the kettle body 2 and wash the inside wall of the kettle body 2 evenly, at the same time the bending frame 91 can drive the plate brush 92 to brush the inside wall of the kettle body 2 in a circle, open the discharge pipe 12 to discharge the cleaned sewage quickly, the washing and brushing are carried out at the same time, effectively reduce the residue of the solution on the inside wall of the reaction kettle, improve the solution proportioning accuracy of 4,4'-dimethoxy acetoacetic acid methyl ester, improve the processing quality of 4,4'-dimethoxy acetoacetic acid methyl ester.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, the skilled in the art should take the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments which can be understood by the skilled in the art.

Claims

1. A kind of preparation 4,4'-dimethoxy acetyl acetic acid methyl ester reaction kettle device, including mounting frame (1), kettle body (2), two stirrers (3) and electric turntable (4), it is characterized in that: The kettle body (2) is fixedly penetrated in the top of the mounting rack (1), two stirring machines (3) are respectively fixedly connected to the two sides of the bottom of the kettle body (2), the electric rotating table (4) is penetrated in the top of the kettle body (2), the inside of the kettle body (2) is fixedly sleeved with a partition plate (7), the two sides of the top of the electric rotating table (4) are both fixedly installed with a connecting barrel (5), the inside walls of the two connecting barrels (5) are both fixedly installed with electric lifting rods (6), the output ends of the two electric lifting rods (6) are both penetrated through the electric rotating table (4) and extend to the top of the partition plate (7), the top and the bottom of the partition plate (7) and located at the center of the partition plate (7) are embedded with a circular plate (10), the output ends of the two electric lifting rods (6) extend to the two sides of the top of the circular plate (10) respectively, the top of the electric rotating table (4) and the bottom of the circular plate (10) are penetrated with a telescopic washing assembly (8), one side of the bottom of the circular plate (10) is fixedly connected with a cleaning brush (9).

2. The 4,4'-dimethoxyacetoacetic acid methyl ester preparation reactor device according to claim 1, characterized in that: The inside of the partition plate (7) is provided with a circular hole matched with the embedded circular plate (10), and the inside of the circular hole is fixedly sleeved with a sealing rubber ring.

3. The apparatus for preparing methyl 4,4'-dimethoxyacetoacetate according to claim 1, characterized in that: The top and the bottom of the electric rotating table (4) are provided with through holes matched with the penetration of the electric lifting rods (6), and the output ends of the electric lifting rods (6) are fixedly connected with the top of the circular plate (10).

4. The apparatus for preparing methyl 4,4'-dimethoxyacetoacetate according to claim 1, characterized in that: One side of the kettle body (2) and below the partition plate (7) is communicated with a feeding pipe (11), and the bottom of the kettle body (2) is communicated with a discharging pipe (12).

5. The apparatus for preparing methyl 4,4'-dimethoxyacetoacetate according to claim 1, characterized in that: The telescopic washing assembly (8) comprises a water inlet pipe (81) and a bent pipe (84), the water inlet pipe (81) is fixedly penetrated between the top and the bottom of the electric rotating table (4) and located at the center of the electric rotating table (4), the top end of the water inlet pipe (81) is rotatably connected with a conveying pipe (82), the bottom end of the water inlet pipe (81) is communicated with a telescopic hose (83), the bent pipe (84) is penetrated between the top and the bottom of the circular plate (10) and located at the center of the circular plate (10), the bottom end of the telescopic hose (83) extends to the top end of the bent pipe (84), the other end of the bent pipe (84) is communicated with a water outlet pipe (86), and one end of the water outlet pipe (86) is communicated with a high-pressure spray head (85).

6. The apparatus according to claim 5, wherein the apparatus is characterized by: The bent pipe (84) is communicated with the telescopic hose (83), and the water inlet pipe (81) is communicated with the conveying pipe (82).

7. The apparatus according to claim 1, wherein the apparatus is characterized by: The cleaning brush (9) comprises a bent frame (91), the bent frame (91) is fixedly connected to one side of the bottom of the circular plate (10), and the end, away from the circular plate (10), of the bent frame (91) and located at one side of the inner wall of the kettle body (2) is fixedly connected with a brush (92).

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