Reaction device for ethyl pyruvate extraction tower

Abstract

The utility model discloses a reaction device for an ethyl pyruvate extraction tower, which comprises an extraction tower body, the top of the extraction tower body is fixedly provided with a first feed pipe, the top of the extraction tower body is fixedly provided with a second feed pipe, and the top of the extraction tower body is provided with a driving assembly. A toothed plate is arranged at the top of the extraction tower body through a driving assembly, a gear is arranged on the front side of the toothed plate in a meshed mode, a rotating shaft is fixedly installed in the gear and rotationally connected with the extraction tower body, a stirring net plate is fixedly installed on the surface of the rotating shaft, and a vibration assembly is arranged on the right side of the extraction tower body. A complex flow field generated by reciprocating rotation and stirring has a more uniform mixing effect, substance transfer between an ethyl pyruvate solution and diethyl ether can be quicker and more sufficient, molecular movement in the ethyl pyruvate solution and the diethyl ether can be more violent through vibration, and the collision frequency and energy between molecules are increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to pyruvic acid ethyl ester extraction technical field especially relates to a pyruvic acid ethyl ester extraction tower is with reaction apparatus. BACKGROUND

[0002] Pyruvic acid ethyl ester is an important organic compound, has special smell, slightly soluble in water, soluble in ethanol, diethyl ether and other organic solvents. Pyruvic acid ethyl ester is an important organic synthesis intermediate, has wide application in the fields such as medicine, pesticide, spice, food additive. With pyruvic acid and ethanol as raw material, pyruvic acid ethyl ester is synthesized under the catalysis of concentrated sulfuric acid, after the reaction is completed, pyruvic acid, ethanol, sulfuric acid and possible ether and other by-products in the system. Through extraction, pyruvic acid ethyl ester can be extracted from the reaction mixture by using the difference in solubility of pyruvic acid ethyl ester and these impurities in different solvents, to realize the preliminary separation with other substances, and lay the foundation for further purification.

[0003] In Chinese patent application announcement No. CN217567538U, a kind of extraction tower with vibrating sieve plate is disclosed, including vibrating extraction tower, the upper surface of vibrating extraction tower is fixedly connected with support plate, the upper surface of support plate is fixedly connected with power box, the upper surface of support plate is provided with through hole, the inside of vibrating extraction tower is equipped with power rod, the top of power rod penetrates through hole and extends to the inside of power box, the outer surface of power rod is fixedly connected with connecting plate, the bottom of connecting plate is fixedly connected with two springs, the bottom of two springs is fixedly connected with the upper surface of support plate, the inside of power box is equipped with driving motor. Although the above-mentioned extraction tower can be used to purify pyruvic acid ethyl ester, the device utilizes the synergistic effect of driving wheel and spring to make power rod reciprocate up and down to achieve the purpose of mixing. Since the stroke of power rod up and down movement is limited, the mixing efficiency cannot reach a high level, resulting in slow pyruvic acid ethyl ester purification speed. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a pyruvic acid ethyl ester extraction tower reaction device to solve the problems raised in the background art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides an acetone pyruvic acid ethyl extract tower reaction device, including the extraction tower body, first feeding pipe is fixedly installed at the top of extraction tower body, second feeding pipe is fixedly installed at the top of extraction tower body, drive assembly is arranged at the top of extraction tower body, the toothed plate is arranged through drive assembly at the top of extraction tower body, gear is arranged in meshed mode in front side of toothed plate, rotating shaft is fixedly installed in the inside of gear, rotating shaft is rotatably connected with extraction tower body, stirring mesh plate is fixedly installed on the surface of rotating shaft, vibration assembly is arranged on the right side of extraction tower body.

[0007] Preferably, the drive assembly includes a fixed frame arranged on the top of the extraction tower body, a drive motor is fixedly installed on the right side of the fixed frame, a reciprocating screw is fixedly installed on the output end of the drive motor extending through the fixed frame into the fixed frame, a moving block is threadedly connected to the surface of the reciprocating screw, and the moving block is fixedly connected with the toothed plate.

[0008] Preferably, the vibration assembly includes a support plate arranged on the right side of the extraction tower body, an ultrasonic generator is fixedly installed on the top of the support plate, an ultrasonic vibrator is provided on the output end of the ultrasonic generator through wires, and the ultrasonic vibrator is fixedly installed in the inside of the extraction tower body.

[0009] Preferably, a first discharge pipe and a second discharge pipe are fixedly installed on the left side of the extraction tower body, and control valves are respectively arranged on the first discharge pipe and the second discharge pipe.

[0010] Preferably, the fixed frame is in the form of a rectangular frame structure, and the moving block is in sliding connection with the inner wall of the fixed frame.

[0011] Preferably, the number of stirring mesh plates is multiple, the multiple stirring mesh plates are distributed in an array, and mesh holes are formed in the inside of the stirring mesh plates.

[0012] Preferably, a counterweight seat is fixedly installed on the bottom of the extraction tower body, and the size of the counterweight seat is greater than that of the extraction tower body.

[0013] Compared with the prior art, the acetylethyl ketone extraction tower reaction device has the beneficial effects that: after the acetylethyl ketone solution and the diethyl ether are added, the tooth plate is reciprocally moved left and right through the driving assembly, the gear is reciprocally rotated clockwise and counterclockwise, the rotating shaft and the stirring mesh plate are reciprocally rotated clockwise and counterclockwise, the acetylethyl ketone solution and the diethyl ether are stirred and mixed through the reciprocally clockwise and counterclockwise rotation of the stirring mesh plate, the complex flow field generated by the reciprocally rotating stirring has more uniform mixing effect, the material transfer between the acetylethyl ketone solution and the diethyl ether is more rapid and sufficient, the reaction rate and the extraction efficiency are improved, meanwhile, the acetylethyl ketone solution and the diethyl ether are vibrated through the vibration assembly, the vibration can make the molecules in the acetylethyl ketone solution and the diethyl ether move more violently, increase the collision frequency and energy between the molecules, thereby accelerating the diffusion speed of the acetylethyl ketone molecules between the two phases, and making the acetylethyl ketone faster transfer from the original solution phase to the diethyl ether phase. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional view of the utility model;

[0015] Figure 2 It is a front view of the utility model;

[0016] Figure 3 It is a left view of the utility model;

[0017] Figure 4 It is a split view of the local structure of the utility model.

[0018] In the drawing: 1, extraction tower body; 2, first feeding pipe; 3, second feeding pipe; 4, first discharging pipe; 5, second discharging pipe; 6, fixed frame; 7, driving motor; 8, reciprocating screw; 9, moving block; 10, tooth plate; 11, gear; 12, rotating shaft; 13, stirring mesh plate; 14, support plate; 15, ultrasonic generator; 16, ultrasonic vibrator. DETAILED DESCRIPTION

[0019] 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 protection scope of the utility model.

[0020] REFERENCE Figures 1-4The utility model provides an acetopyruvic acid ethyl ester extraction tower reaction device, including the extraction tower body 1, the first feed pipe 2 is fixedly installed in the top of extraction tower body 1, the second feed pipe 3 is fixedly installed in the top of extraction tower body 1, the top of extraction tower body 1 is provided with drive assembly, the top of extraction tower body 1 is provided with the toothed plate 10 through drive assembly, drive assembly includes the fixed frame 6 of setting in the top of extraction tower body 1, the fixed frame 6 right side is fixedly installed with drive motor 7, and drive motor 7 output end extends to the fixed frame 6 inside through the fixed frame 6 and is fixedly installed with reciprocating screw 8, and the reciprocating screw 8 surface is connected with moving block 9, and the fixed frame 6 is rectangular frame structure, and moving block 9 is slidably connected with the inner wall of fixed frame 6, and moving block 9 can be more stably moved, moving block 9 is fixedly connected with the toothed plate 10, through the setting of drive assembly, the toothed plate 10 can reciprocatingly move left and right, so that subsequent stirring mesh plate 13 can reciprocatingly rotate, compared with unidirectional rotation stirring, reciprocating rotation stirring can agitate liquid in different directions, liquid in the container will not only have the circular motion of unidirectional rotation, but also have the flow in the back and forth direction, form more complex flow field, this makes different components in liquid can contact and mix each other from more angle, more frequently, the gear 11 is meshed and arranged on the front side of toothed plate 10, the rotating shaft 12 is fixedly installed in the inside of gear 11, the rotating shaft 12 is rotatably connected with the extraction tower body 1, the stirring mesh plate 13 is fixedly installed on the surface of rotating shaft 12, the number of stirring mesh plate 13 is multiple, and multiple stirring mesh plate 13 is arrayed, the mesh is opened in the inside of stirring mesh plate 13, and multiple arrayed stirring mesh plate 13 can divide stirring area into multiple small areas, make fluid form complex flow path in the stirring process, when stirring mesh plate 13 pushes liquid flow, liquid passes through stirring mesh plate 13 at different positions, will produce different direction and intensity disturbance, thereby forming more uniform and intense mixing effect in the whole stirring area, the existence of mesh makes stirring mesh plate 13 can not produce excessive fluid resistance when stirring and guiding liquid, compared with solid stirring part, the stirring mesh plate 13 with mesh can make liquid pass more smoothly, the vibration assembly is arranged on the right side of extraction tower body 1, and the vibration assembly includes the support plate 14 arranged on the right side of extraction tower body 1, the ultrasonic generator 15 is fixedly installed on the top of support plate 14, the ultrasonic transducer 16 is arranged on the output end of ultrasonic generator 15 through wire, and the ultrasonic transducer 16 is fixedly installed in the inside of extraction tower body 1, the acetopyruvic acid ethyl ester solution and ether are vibrated through vibration assembly, vibration makes acetopyruvic acid ethyl ester solution and ether mix fully, makes the contact area between two phases increase greatly, more acetopyruvic acid ethyl ester molecules have the opportunity to contact and be extracted with ether, thereby improves the transfer amount of target substance in the extraction process, improves the extraction efficiency, the acetopyruvic acid ethyl ester extraction tower reaction device, after acetopyruvic acid ethyl ester solution and ether are added, drive assembly makes toothed plate 10 reciprocatingly move left and right, makes gear 11 reciprocatingly rotate clockwise and counterclockwise,The rotating shaft 12 and the stirring mesh plate 13 rotate clockwise and counterclockwise reciprocally, the ethyl acetopyruate solution and the diethyl ether are stirred and mixed through the reciprocally clockwise and counterclockwise rotation of the stirring mesh plate 13, the complex flow field generated by the reciprocally rotating stirring has a more uniform mixing effect, can make the material transfer between the ethyl acetopyruate solution and the diethyl ether more rapid and sufficient, improve the reaction rate and the extraction efficiency, meanwhile, the ethyl acetopyruate solution and the diethyl ether are vibrated through the vibration assembly, the vibration can make the molecular motion in the ethyl acetopyruate solution and the diethyl ether more violent, increase the collision frequency and energy between molecules, thereby accelerating the diffusion speed of the ethyl acetopyruate molecules between the two phases, making the ethyl acetopyruate faster from the original solution phase to the diethyl ether phase.

[0021] According to Figure 2 As shown in the figure, the first discharge pipe 4 and the second discharge pipe 5 are fixedly installed on the left side of the extraction tower body 1, control valves are arranged on the first discharge pipe 4 and the second discharge pipe 5 respectively, the control valve on the first discharge pipe 4 is opened, the diethyl ether in which the ethyl acetopyruate is dissolved can be discharged, after the discharge is completed, the control valve on the second discharge pipe 5 is opened, the water phase containing impurities can be discharged, the two discharge pipes and the control valves are arranged respectively, so that the operator can flexibly control the discharge time and speed of the diethyl ether in which the ethyl acetopyruate is dissolved and the water phase containing impurities according to the actual situation and needs of the extraction process, which is beneficial to the optimization and automatic control of the whole extraction process.

[0022] According to Figure 1 As shown in the figure, the counterweight seat is fixedly installed at the bottom of the extraction tower body 1, the size of the counterweight seat is larger than that of the extraction tower body 1, the size of the counterweight seat is larger and located at the bottom of the extraction tower body 1, which can effectively reduce the gravity center position of the whole extraction tower, according to the mechanical principle, the lower the gravity center is, the higher the stability of the object is, during the operation of the extraction tower, especially during the stirring, extraction and other operations, a certain shaking or external force may be generated, the lower gravity center can make the extraction tower less likely to fall under these conditions, and ensure that it maintains a stable upright state during the working process.

[0023] The electrical components appearing in this document are all connected with the main controller and 220V mains, and the main controller can be a computer or other conventional known device that can be controlled.

[0024] In use: through the first feed pipe 2 can be added to the extraction tower body 1 ethyl pyruvate solution, through the second feed pipe 3 can be added to the extraction tower body 1 ether, after adding, through the drive motor 7 makes reciprocating screw 8 rotation, make the moving block 9 reciprocating left and right movement, make the gear plate 10 reciprocating left and right movement, make the gear 11 reciprocating clockwise and counterclockwise rotation, make the rotating shaft 12, stirring mesh plate 13 reciprocating clockwise and counterclockwise rotation, through the reciprocating clockwise and counterclockwise rotation of stirring mesh plate 13 to ethyl pyruvate solution and ether are stirred and mixed, at the same time, through the ultrasonic generator 15 makes the ultrasonic vibrator 16 vibration, make the ethyl pyruvate solution and ether vibration, further speed up the mixing reaction of ethyl pyruvate solution and ether, ethyl pyruvate will be dissolved in ether, while the impurities can not be dissolved in ether, after the reaction is completed, the drive motor 7 and ultrasonic generator 15 are closed, and the standing treatment is carried out, the density of ether is less than water, at this time, the ether phase dissolved with ethyl pyruvate is usually in the upper layer, and the aqueous phase containing impurities is in the lower layer, the control valve on the first discharge pipe 4 is opened, and the ether dissolved with ethyl pyruvate can be discharged, after the discharge is completed, the control valve on the second discharge pipe 5 is opened, and the aqueous phase containing impurities can be discharged.

[0025] It should be noted that, in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such process, method, article, or apparatus.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A reaction apparatus for an ethyl pyruvate extraction tower, comprising an extraction tower body (1), characterized in that, The top of the extraction tower body (1) is fixedly installed with a first feed pipe (2) and a second feed pipe (3). The top of the extraction tower body (1) is provided with a drive assembly. The top of the extraction tower body (1) is provided with a toothed plate (10) through the drive assembly. A gear (11) is meshed on the front side of the toothed plate (10). A rotating shaft (12) is fixedly installed inside the gear (11). The rotating shaft (12) is rotatably connected to the extraction tower body (1). A stirring screen plate (13) is fixedly installed on the surface of the rotating shaft (12). A vibration assembly is provided on the right side of the extraction tower body (1).

2. The reaction apparatus for an ethyl pyruvate extraction tower according to claim 1, characterized in that, The drive assembly includes a fixed frame (6) disposed on the top of the extraction tower body (1). A drive motor (7) is fixedly installed on the right side of the fixed frame (6). The output end of the drive motor (7) extends through the fixed frame (6) into the interior of the fixed frame (6) and is fixedly installed with a reciprocating screw (8). A moving block (9) is threadedly connected to the surface of the reciprocating screw (8). The moving block (9) is fixedly connected to the toothed plate (10).

3. The reaction apparatus for an ethyl pyruvate extraction tower according to claim 1, characterized in that, The vibration assembly includes a support plate (14) disposed on the right side of the extraction tower body (1). An ultrasonic generator (15) is fixedly installed on the top of the support plate (14). An ultrasonic transducer (16) is disposed at the output end of the ultrasonic generator (15) through a wire. The ultrasonic transducer (16) is fixedly installed inside the extraction tower body (1).

4. The reaction apparatus for an ethyl pyruvate extraction tower according to claim 1, characterized in that, The extraction tower body (1) is fixedly installed with a first discharge pipe (4) and a second discharge pipe (5) on the left side, and control valves are respectively installed on the first discharge pipe (4) and the second discharge pipe (5).

5. The reaction apparatus for an ethyl pyruvate extraction tower according to claim 2, characterized in that, The fixed frame (6) has a rectangular frame structure, and the movable block (9) is slidably connected to the inner wall of the fixed frame (6).

6. The reaction apparatus for an ethyl pyruvate extraction tower according to claim 1, characterized in that, The number of stirring mesh plates (13) is multiple, and the multiple stirring mesh plates (13) are arranged in an array. The stirring mesh plates (13) have mesh holes inside.

7. The reaction apparatus for an ethyl pyruvate extraction tower according to claim 1, characterized in that, A counterweight is fixedly installed at the bottom of the extraction tower body (1), and the size of the counterweight is larger than that of the extraction tower body (1).

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