CN210545155U

CN210545155U - Amination reaction kettle for preparing N, N-dimethylamino ethyl acrylate

Info

Publication number: CN210545155U
Application number: CN201920938013.1U
Authority: CN
Inventors: 黄金荣; 莫振翼; 王保军
Original assignee: Changzhou Feiyu Chemical Co ltd
Current assignee: Jiangsu Feiyu Medical Technology Co.,Ltd.
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-05-19
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses an amination reaction cauldron for preparing N, N-dimethylamino ethyl acrylate, the reactor comprises a kettle body, four support columns of symmetry fixedly connected with on the bottom lateral wall of the cauldron body, the fixedly connected with motor of center department of cauldron body bottom lateral wall, the fixedly connected with support between the inside wall of the cauldron body, the support comprises the bracing piece of two intersection settings. The utility model discloses a motor drives agitating unit operation with higher speed, and then drives the baffle through solid fixed ring and be reciprocating motion along reciprocating screw direction, and the mixed solution of stirring cauldron internal each raw materials constitution utilizes the mesh convection current between each raw materials with higher speed, increases the contact opportunity between each raw materials component to play the effect that promotes amination and goes on, improve N, N-dimethylamino ethyl acrylate's production efficiency, and do not receive the influence of inertial action.

Description

Amination reaction kettle for preparing N, N-dimethylamino ethyl acrylate

Technical Field

The utility model relates to an amination equipment technical field especially relates to an amination kettle for preparing N, N-dimethylamino ethyl acrylate.

Background

The N, N-dimethylamino ethyl acrylate is also called dimethylamino ethyl acrylate, is a widely used quaternary amine acrylate, is a multifunctional active monomer, and has the characteristics of olefin, amine and ester compounds. Under certain condition, it can produce quaterisation, polymerization, addition and hydrolysis reactions, and the tertiary amine group of its copolymer can be cross-linked with epoxy group at room temp. so as to prepare room-temp. cross-linked paint.

The conventional amination reaction kettle is generally provided with a stirring shaft in the kettle body in order to promote the amination reaction, and each raw material liquid is stirred through the stirring shaft, so that the reaction rate of the amination reaction is promoted.

Disclosure of Invention

The utility model aims at solving the defects in the prior art and providing an amination reaction kettle for preparing N, N-dimethylamino ethyl acrylate.

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

an amination reaction kettle for preparing N, N-dimethylamino ethyl acrylate comprises a kettle body, wherein four support columns are symmetrically and fixedly connected to the side wall of the bottom end of the kettle body, a motor is fixedly connected to the center of the side wall of the bottom end of the kettle body, a support is fixedly connected between the inner side walls of the kettle body and consists of two support rods which are arranged in a crossed mode, a stirring shaft penetrating through the side wall of the bottom end of the kettle body is fixedly connected to the output end of the motor, one end, far away from the motor, of the stirring shaft is rotatably connected to the center of the side wall of the bottom end of the support, spiral blades are welded to the outer side wall of the stirring shaft, two first bevel gears are symmetrically and fixedly connected to the two ends of the stirring shaft, four accelerating stirring devices are symmetrically arranged between the side wall of the bottom end of the support and the inner, the bottom of cauldron body one side lateral wall is equipped with the discharge gate.

Preferably, agitating unit includes two dead levers, two dead levers fixed connection respectively is on the bottom side inner wall of the cauldron body and the end lateral wall of bracing piece, two the dead lever is close to the one end of first helical gear and all is equipped with the through-hole, all rotate in the through-hole and be connected with the transfer line, the equal fixedly connected with second helical gear of one end that the transfer line is close to first helical gear, two the second helical gear is connected with two first helical gear meshing respectively, the equal fixedly connected with reciprocating screw of one end that the second helical gear was kept away from to the transfer line, the one end that the transfer line was kept away from to reciprocating screw all is connected with the inside wall rotation of the cauldron body, equal threaded connection has solid fixed ring on reciprocating screw's the lateral wall, two.

Preferably, the two support rods are welded together, and the two support rods are perpendicular to each other.

Preferably, the baffle is provided with fine meshes.

Preferably, the baffle is made of acid and alkali corrosion resistant PVC plastic.

Preferably, two reciprocating screw rods corresponding to each baffle are arranged in the same direction.

Preferably, the baffle is vertically arranged.

The utility model has the advantages that: the utility model discloses a motor drives agitating unit operation with higher speed, and then drives the baffle through solid fixed ring and be reciprocating motion along reciprocating screw direction, and the mixed solution of stirring cauldron internal each raw materials constitution utilizes the mesh convection current between each raw materials with higher speed, increases the contact opportunity between each raw materials component to play the effect that promotes amination and goes on, improve N, N-dimethylamino ethyl acrylate's production efficiency, and do not receive the influence of inertial action.

Drawings

FIG. 1 is a schematic diagram of a front structure of an amination reaction kettle for preparing N, N-dimethylamino ethyl acrylate provided by the utility model;

fig. 2 is an enlarged view of the structure a in fig. 1.

In the figure: the device comprises a kettle body 1, supporting columns 2, a motor 3, supporting rods 4, a stirring shaft 5, a helical blade 6, a first helical gear 7, a fixing rod 8, a transmission rod 9, a second helical gear 10, a reciprocating screw rod 11, a fixing ring 12, a baffle 13, a feed inlet 14 and a discharge outlet 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an amination reaction kettle for preparing N, N-dimethylamino ethyl acrylate, including the cauldron body 1, symmetry fixedly connected with four support columns 2 on the bottom lateral wall of cauldron body 1, the fixedly connected with motor 3 of center department of the 1 bottom lateral wall of cauldron body, the top lateral wall of cauldron body 1 is equipped with feed inlet 14, the bottom of the 1 one side lateral wall of cauldron body is equipped with discharge gate 15, fixedly connected with support between the inside wall of cauldron body 1, the support comprises two alternately arranged bracing piece 4, two bracing piece 4 welds together, two bracing piece 4 mutually perpendicular, support through the welding formation, overall structure nature is strong, firm in connection, fixedly connected with (mixing) shaft 5 that runs through the 1 bottom lateral wall of cauldron body on the output of motor 3.

The one end that motor 3 was kept away from to (mixing) shaft 5 rotates the center department of connection at the support bottom side wall, the welding has helical blade 6 on the lateral wall of (mixing) shaft 5, start motor 3, motor 3 drives (mixing) shaft 5 and helical blade 6 through the output and rotates, stir various raw and other materials in the cauldron body 1, thereby promote each component of raw materials and contact each other, and then improve amination reaction rate, play the effect that promotes N, the production rate of N-dimethylamino ethyl acrylate, two first helical gears 7 of symmetry fixedly connected with on the both ends of (mixing) shaft 5.

Four accelerating stirring devices are symmetrically arranged between the bottom side wall of the bracket and the bottom side inner wall of the kettle body 1, each accelerating stirring device comprises two fixing rods 8, the two fixing rods 8 are respectively and fixedly connected to the bottom side inner wall of the kettle body 1 and the bottom side wall of the supporting rod 4, one ends of the two fixing rods 8, which are close to the first helical gears 7, are respectively provided with a through hole, transmission rods 9 are respectively and rotatably connected in the through holes, one ends of the transmission rods 9, which are close to the first helical gears 7, are respectively and fixedly connected with second helical gears 10, the two second helical gears 10 are respectively and meshingly connected with the two first helical gears 7, one ends of the transmission rods 9, which are far away from the second helical gears 10, are respectively and fixedly connected with reciprocating lead screws 11, one ends of the reciprocating lead screws 11, which are far away from the transmission rods 9, the (mixing) shaft 5 is when rotating, can drive two first helical gears 7 rotations at its both ends, thereby drive eight second helical gears 10 through the meshing connection effect and rotate, second helical gear 10 drives reciprocal lead screw 11 through transfer line 9 and rotates, and then drive solid fixed ring 12 and be reciprocating motion along reciprocal lead screw 11 direction, do reciprocating motion along reciprocal lead screw 11 direction with drive baffle 13, mix the mixed solution that each raw materials formed in the cauldron body 1, promote the convection current of solution in the cauldron body 1, increase the contact chance between each raw materials component, thereby play the effect that promotes amination and go on, improve N, the production efficiency of N-dimethylamino ethyl acrylate.

Baffle 13 is vertical setting, reduce the stress effect that brings by the liquid resistance on the baffle 13, thereby avoid baffle 13 the condition that serious deformation appears under the exogenic action, baffle 13 is made by acid and alkali-resistance corrosion's PVC plastics, acid and alkali-resistance corrosion, can use for a long time, be equipped with fine and close mesh on the baffle 13, utilize the convection current between each raw materials of mesh acceleration, further promote going on of amination, two reciprocal lead screws 11 that every baffle 13 corresponds all are the syntropy setting, make two solid fixed ring 12 that correspond on the baffle 13 move the direction the same when reciprocating lead screw 11's drive.

In the utility model, when the user uses the device, firstly, each raw material liquid is injected into the kettle body 1 along the feed inlet 14 in sequence, then the motor 3 is opened, the motor 3 drives the stirring shaft 5 and the helical blade 6 to rotate through the output end, various raw materials in the kettle body 1 are stirred, when the stirring shaft 5 rotates, the two first helical gears 7 at both ends of the stirring shaft can be driven to rotate, thereby eight second helical gears 10 are driven to rotate through the meshing connection effect, the second helical gears 10 drive the reciprocating screw 11 to rotate through the transmission rod 9, and further the fixing ring 12 is driven to reciprocate along the direction of the reciprocating screw 11, so as to drive the baffle 13 to reciprocate along the direction of the reciprocating screw 11, the mixed solution composed of each raw material in the kettle body 1 is stirred, the mesh is utilized to accelerate the convection between each raw material, the contact opportunity between each raw material component is increased, thereby playing the role of promoting the amination, the production efficiency of the N, N-dimethylamino ethyl acrylate is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An amination reaction kettle for preparing N, N-dimethylamino ethyl acrylate comprises a kettle body (1) and is characterized in that four support columns (2) are symmetrically and fixedly connected to the side wall of the bottom end of the kettle body (1), a motor (3) is fixedly connected to the center of the side wall of the bottom end of the kettle body (1), a support is fixedly connected between the inner side walls of the kettle body (1), the support consists of two support rods (4) which are arranged in a crossed mode, a stirring shaft (5) penetrating through the side wall of the bottom end of the kettle body (1) is fixedly connected to the output end of the motor (3), one end, far away from the motor (3), of the stirring shaft (5) is rotatably connected to the center of the side wall of the bottom end of the support, spiral blades (6) are welded to the outer side wall of the stirring shaft (5), and two first bevel gears (7) are symmetrically and fixedly connected, four accelerating stirring devices are symmetrically arranged between the bottom side wall of the support and the bottom side inner wall of the kettle body (1), a feeding hole (14) is formed in the top side wall of the kettle body (1), and a discharging hole (15) is formed in the bottom end of one side wall of the kettle body (1).

2. The amination kettle for preparing the N, N-dimethylamino ethyl acrylate according to claim 1, wherein the accelerated stirring device comprises two fixing rods (8), the two fixing rods (8) are respectively and fixedly connected to the inner wall of the bottom side of the kettle body (1) and the side wall of the bottom of the support rod (4), one ends of the two fixing rods (8) close to the first bevel gears (7) are respectively provided with a through hole, a transmission rod (9) is rotatably connected in the through holes, one ends of the transmission rods (9) close to the first bevel gears (7) are respectively and fixedly connected with second bevel gears (10), the two second bevel gears (10) are respectively and meshingly connected with the two first bevel gears (7), one ends of the transmission rods (9) far away from the second bevel gears (10) are respectively and fixedly connected with reciprocating lead screws (11), one ends of the reciprocating lead screws (11) far away from the transmission rods (9) are respectively and rotatably connected with the inner side wall of the kettle body (1), the outer side wall of the reciprocating screw rod (11) is connected with fixing rings (12) in a threaded mode, and a baffle (13) is fixedly connected between the fixing rings (12).

3. Amination reactor for the preparation of N, N-dimethylaminoethyl acrylate according to claim 1, characterized in that two of said support bars (4) are welded together, the two support bars (4) being perpendicular to each other.

4. Amination reactor for the preparation of N, N-dimethylaminoethyl acrylate according to claim 2, characterized in that said baffles (13) are provided with fine meshes.

5. Amination reactor for the preparation of N, N-dimethylaminoethyl acrylate according to claim 2, characterized in that the baffles (13) are made of acid and alkali resistant PVC plastic.

6. Amination reactor for preparing N, N-dimethylaminoethyl acrylate according to claim 2, characterized in that the two reciprocating lead screws (11) corresponding to each baffle (13) are arranged in the same direction.

7. Amination reactor for the preparation of N, N-dimethylaminoethyl acrylate according to claim 2, characterized in that said baffles (13) are vertically arranged.