CN218742009U

CN218742009U - Purification device for aldol condensation reaction

Info

Publication number: CN218742009U
Application number: CN202223154492.9U
Authority: CN
Inventors: 乔胜超; 牛广文; 赵小川; 董晓宁; 范金皓
Original assignee: Shandong Nhu Vitamin Co ltd
Current assignee: Shandong Nhu Vitamin Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-28
Anticipated expiration: 2032-11-25

Abstract

The application provides a purification device for aldol condensation reaction, which comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a support frame, a support ring is fixedly connected in the support frame, a reaction kettle is rotationally connected in the support ring, an end cover is rotationally connected in the reaction kettle, a stirring shaft is rotationally connected in the end cover, and the circumferential surface of the stirring shaft is fixedly connected with stirring blades; the upper end of the bottom plate is provided with a first transmission mechanism and a second transmission mechanism, the first transmission mechanism is used for driving the reaction kettle to rotate, and the second transmission mechanism is used for driving the stirring shaft to rotate. The utility model discloses a set up first drive mechanism and second drive mechanism, first drive mechanism is used for driving reation kettle clockwise rotation, and second drive mechanism is used for driving (mixing) shaft anticlockwise rotation, will make the mixing efficiency of raw materials accelerating the raw materials at the in-process that mixes in the reation kettle like this, and reation kettle's rotation simultaneously also can make the abundant heating of raw materials in the reation kettle, has improved purification efficiency.

Description

Purification device for aldol condensation reaction

Technical Field

The application belongs to the technical field of purification, and more specifically relates to a purification device for aldol condensation reaction.

Background

The aldol condensation reaction is that aldehyde or ketone with alpha-H generates carbanion under the catalysis of alkali, then the carbanion is used as a nucleophilic reagent to carry out nucleophilic addition on the aldehyde or ketone to generate beta-hydroxyaldehyde, and the beta-hydroxyaldehyde is heated and dehydrated to generate alpha-beta unsaturated aldehyde or ketone. Two molecules of aldehyde or ketone can interact with each other under the action of dilute alkali or dilute acid, in which the alpha-hydrogen of one aldehyde (or ketone) molecule is added to the carbonyl oxygen atom of the other aldehyde (or ketone) molecule and the rest is added to the carbonyl carbon atom to produce one molecule of beta-hydroxy aldehyde or one molecule of beta-hydroxy ketone. This reaction is called aldol condensation or aldol condensation. By aldol condensation, new carbon-carbon bonds can be formed in the molecule and the carbon chain can be extended.

The aldol condensation reaction needs to be purified when being prepared, at present, a purification device is generally adopted for purification when being purified, the purification device needs to mix raw materials in the purification process in order to enable the raw materials to react more fully, and when being mixed, the existing purification device simply adopts stirring blades for mixing, so that the purpose of mixing is achieved, but the mixing efficiency is low, and therefore, the purification device for the aldol condensation reaction needs to be designed.

Disclosure of Invention

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the purification device comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a support frame, a support ring is fixedly connected in the support frame, a reaction kettle is rotationally connected in the support ring, an end cover is rotationally connected in the reaction kettle, a stirring shaft is rotationally connected in the end cover, the stirring shaft penetrates through the support frame and the end cover and is rotationally connected with the support frame and the end cover, and the circumferential surface of the stirring shaft is fixedly connected with stirring blades;

the upper end of the bottom plate is provided with a first transmission mechanism and a second transmission mechanism, the first transmission mechanism is used for driving the reaction kettle to rotate, and the second transmission mechanism is used for driving the stirring shaft to rotate.

Optionally, four corners of the lower end of the bottom plate are fixedly connected with supporting legs.

Optionally, the support rings are distributed at the upper end and the lower end of the reaction kettle, and a heating plate is fixedly connected between the support rings.

Optionally, the upper end of the end cover is fixedly connected with a feeding pipe, and the upper end of the feeding pipe penetrates through the support frame and is fixedly connected with the support frame; the lower end of the reaction kettle is fixedly connected with a discharge pipe, and the lower end of the discharge pipe penetrates through the bottom plate and is rotatably connected with the bottom plate.

Optionally, first drive mechanism includes first action wheel, first belt, the first follow driving wheel, support frame upper end fixedly connected with motor, motor output end fixedly connected with pivot, the pivot run through the support frame lower extreme, and rotate between the support frame and be connected, the first action wheel of pivot periphery fixed connection, the first follow driving wheel of reation kettle periphery fixed connection, it is first from being connected through first belt between driving wheel and the first action wheel to follow.

Optionally, second drive mechanism includes second action wheel, second belt, second from driving wheel, connecting axle, first gear and second gear, pivot periphery fixed connection second action wheel, the connecting axle is connected to the support frame internal rotation, connecting axle one end fixed connection second is from the driving wheel, the second is connected through the second belt from between driving wheel and the second action wheel, connecting axle other end fixed connection first gear, first gear meshing second gear, fixed connection between second gear and the (mixing) shaft.

The utility model discloses following beneficial effect has:

compared with the prior art, this purification device of aldol condensation reaction, through setting up first drive mechanism and second drive mechanism, first drive mechanism is used for driving reation kettle clockwise rotation, and second drive mechanism is used for driving (mixing) shaft anticlockwise rotation, will make the mixing efficiency of raw materials at the in-process acceleration raw materials that mixes in the reation kettle like this, and reation kettle's rotation simultaneously also can make the abundant heating of raw materials in the reation kettle, has improved purification efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the front view angle of the present invention;

fig. 2 is a schematic structural view of a front view section of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

The symbols in the drawings illustrate that:

1. a base plate; 2. a support frame; 3. supporting legs; 4. a first transmission mechanism; 401. a first driving wheel; 402. a first belt; 403. a first driven wheel; 5. a second transmission mechanism; 501. a second drive wheel; 502. a second belt; 503. a second driven wheel; 504. a connecting shaft; 505. a first gear; 506. a second gear; 6. a feed tube; 7. a reaction kettle; 8. a support ring; 9. a heating plate; 10. a motor; 11. a stirring shaft; 12. a stirring blade; 13. a discharge pipe; 14. an end cap; 15. a rotating shaft.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to FIGS. 1-3, the purification apparatus for aldol condensation reaction provided in the examples of the present application will now be described. The purification device for the aldol condensation reaction comprises a bottom plate 1, wherein the upper end of the bottom plate 1 is fixedly connected with a support frame 2, a support ring 8 is fixedly connected in the support frame 2, a reaction kettle 7 is rotationally connected in the support ring 8, an end cover 14 is rotationally connected in the reaction kettle 7, a stirring shaft 11 is rotationally connected in the end cover 14, the stirring shaft 11 penetrates through the support frame 2 and the end cover 14 and is rotationally connected between the support frame 2 and the end cover 14, and the circumferential surface of the stirring shaft 11 is fixedly connected with stirring blades 12;

the upper end of the bottom plate 1 is provided with a first transmission mechanism 4 and a second transmission mechanism 5, the first transmission mechanism 4 is used for driving the reaction kettle 7 to rotate, and the second transmission mechanism 5 is used for driving the stirring shaft 11 to rotate.

Specifically, support frame 2 can reach the support to reation kettle 7 through support ring 8 to first drive mechanism 4 drives reation kettle 7 and rotates, and second drive mechanism 5 also drives (mixing) shaft 11 and rotates simultaneously, because reation kettle 7's rotation direction is opposite with (mixing) shaft 11's rotation direction, again under stirring vane 12's cooperation like this, just can be quick mix the raw materials in reation kettle 7, improved the mixing efficiency of raw materials.

Optionally, 1 lower extreme four corners fixedly connected with supporting leg 3 of bottom plate, the during operation through setting up supporting leg 3, can reach the support to bottom plate 1 to the stable work that carries on of device.

Optionally, support ring 8 distributes at reation kettle 7 upper and lower both ends, fixedly connected with heating plate 9 between the support ring 8, and the during operation through setting up heating plate 9, under heating plate 9's cooperation, can heat reation kettle 7 to improve reaction efficiency.

Optionally, the upper end of the end cover 14 is fixedly connected with a feed pipe 6, and the upper end of the feed pipe 6 penetrates through the support frame 2 and is fixedly connected with the support frame 2; discharging pipe 13 is arranged to 7 lower extremes fixedly connected with of reation kettle, and discharging pipe 13 lower extreme runs through bottom plate 1, and rotates between 1 with the bottom plate to be connected, and the during operation, the existence of filling tube 6 is convenient for add the raw materials in to reation kettle 7, and discharging pipe 13's existence is convenient for discharge out the product after the reaction.

Optionally, the first transmission mechanism 4 includes a first driving wheel 401, a first belt 402, a first driven wheel 403, a motor 10 is fixedly connected to the upper end of the support frame 2, an output end of the motor 10 is fixedly connected with a rotating shaft 15, the rotating shaft 15 penetrates through the lower end of the support frame 2 and is rotatably connected with the support frame 2, a circumferential surface of the rotating shaft 15 is fixedly connected with the first driving wheel 401, a circumferential surface of the reaction kettle 7 is fixedly connected with the first driven wheel 403, the first driven wheel 403 is connected with the first driving wheel 401 through the first belt 402, in operation, the motor 10 is turned on, at this time, the rotating shaft 15 is driven to rotate, the reaction kettle 7 can be driven to rotate along with the rotation of the rotating shaft 15 under the cooperation of the first driving wheel 401, the first driven wheel 403 and the first belt 402, so that the reaction kettle 7 rotates clockwise.

Optionally, the second transmission mechanism 5 includes a second driving wheel 501, a second belt 502, a second driven wheel 503, a connecting shaft 504, a first gear 505 and a second gear 506, the circumferential surface of the rotating shaft 15 is fixedly connected to the second driving wheel 501, the connecting shaft 504 is rotatably connected to the support frame 2, one end of the connecting shaft 504 is fixedly connected to the second driven wheel 503, the second driven wheel 503 is connected to the second driving wheel 501 through the second belt 502, the other end of the connecting shaft 504 is fixedly connected to the first gear 505, the first gear 505 is engaged with the second gear 506, and the second gear 506 is fixedly connected to the stirring shaft 11.

The working principle is as follows:

during the use, add the raw materials into reation kettle 7 from filling tube 6, then open motor 10, at this moment will drive pivot 15 and rotate, along with the rotation of pivot 15 at first action wheel 401, first from the cooperation of driving wheel 403 and first belt 402, can drive reation kettle 7 and rotate, make reation kettle 7 rotate clockwise, the rotation of pivot 15 also drives second action wheel 501 simultaneously and rotates, then make connecting axle 504 rotate under the cooperation of second belt 502 and second driven wheel 503, and then drive first gear 505, then just can drive (mixing) shaft 11 and rotate under the cooperation of second gear 506, make (mixing) shaft 11 carry out anticlockwise rotation, stirring vane 12 also carries out anticlockwise rotation like this, because the anticlockwise rotation of reation kettle 7's clockwise rotation stirring vane 12, just can increase the mixing efficiency of raw materials, reation kettle 7's rotation simultaneously, also make the raw materials in reation kettle 7 fully heat, just so can improve purification efficiency.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An aldol condensation reaction's purification device, includes bottom plate (1), its characterized in that: the upper end of the bottom plate (1) is fixedly connected with a support frame (2), a support ring (8) is fixedly connected in the support frame (2), a reaction kettle (7) is rotatably connected in the support ring (8), an end cover (14) is rotatably connected in the reaction kettle (7), a stirring shaft (11) is rotatably connected in the end cover (14), the stirring shaft (11) penetrates through the support frame (2) and the end cover (14) and is rotatably connected with the support frame (2) and the end cover (14), and stirring blades (12) are fixedly connected with the circumferential surface of the stirring shaft (11);

the improved stirring device is characterized in that a first transmission mechanism (4) and a second transmission mechanism (5) are arranged at the upper end of the bottom plate (1), the first transmission mechanism (4) is used for driving the reaction kettle (7) to rotate, and the second transmission mechanism (5) is used for driving the stirring shaft (11) to rotate.

2. The purification apparatus for aldol condensation reaction according to claim 1, wherein: the four corners of the lower end of the bottom plate (1) are fixedly connected with supporting legs (3).

3. The purification apparatus for aldol condensation reaction according to claim 1, wherein: support ring (8) distribute at reation kettle (7) upper and lower both ends, fixedly connected with heating plate (9) between support ring (8).

4. The purification apparatus for aldol condensation reaction as set forth in claim 1, wherein: the upper end of the end cover (14) is fixedly connected with a feeding pipe (6), and the upper end of the feeding pipe (6) penetrates through the support frame (2) and is fixedly connected with the support frame (2); the lower end of the reaction kettle (7) is fixedly connected with a discharge pipe (13), and the lower end of the discharge pipe (13) penetrates through the bottom plate (1) and is rotatably connected with the bottom plate (1).

5. The purification apparatus for aldol condensation reaction according to claim 1, wherein: first drive mechanism (4) include first action wheel (401), first belt (402), first follow driving wheel (403), support frame (2) upper end fixedly connected with motor (10), motor (10) output end fixedly connected with pivot (15), pivot (15) run through support frame (2) lower extreme, and rotate between support frame (2) and be connected, the first action wheel of pivot (15) periphery fixed connection (401), reation kettle (7) periphery fixed connection is first from driving wheel (403), be connected through first belt (402) between first follow driving wheel (403) and first action wheel (401).

6. The purification apparatus for aldol condensation reaction according to claim 5, wherein: second drive mechanism (5) include second action wheel (501), second belt (502), second from driving wheel (503), connecting axle (504), first gear (505) and second gear (506), pivot (15) periphery fixed connection second action wheel (501), connecting axle (504) is connected to the support frame (2) internal rotation, connecting axle (504) one end fixed connection second is from driving wheel (503), the second is connected through second belt (502) from driving wheel (503) and second action wheel (501), connecting axle (504) other end fixed connection first gear (505), first gear (505) meshing second gear (506), fixed connection between second gear (506) and (mixing) shaft (11).