CN219540300U

CN219540300U - Methyl chloroacetate preparation facilities

Info

Publication number: CN219540300U
Application number: CN202320428392.6U
Authority: CN
Inventors: 吴玉成
Original assignee: Jiyuan Tongda Chemical Co ltd
Current assignee: Jiyuan Tongda Chemical Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-18
Anticipated expiration: 2033-03-09

Abstract

The utility model belongs to the field of methyl chloroacetate preparation, in particular to a methyl chloroacetate preparation device which comprises a reaction kettle, wherein a chloroacetic acid feed pipe and a methanol feed pipe are respectively arranged at the upper side and the lower side of the right side of the reaction kettle, an air outlet pipe is arranged at the left side of the top of the reaction kettle, and a return pipe is arranged at the left side of the reaction kettle; the driving assembly is arranged on the reaction kettle; and a mixing assembly mounted on the drive assembly. The utility model has reasonable design, can make the lower connecting rod move up and down while stirring, so that the liquid on the upper layer and the liquid on the lower layer can be fully mixed, the preparation time is reduced, the preparation speed is improved, the rotating sleeve can be driven to rotate by vortex when the lower connecting rod revolves, the partial mixing and full-scale of the methyl chloroacetate raw material is fully ensured, and the preparation time of the methyl chloroacetate can be reduced, and the preparation speed is further improved.

Description

Methyl chloroacetate preparation facilities

Technical Field

The utility model relates to the technical field of methyl chloroacetate preparation, in particular to a methyl chloroacetate preparation device.

Background

Methyl chloroacetate is an important organic synthesis raw material, is an important intermediate in the industries of synthetic pesticides, medicines and the like, and is conveniently prepared by using a methyl chloroacetate preparation device in the production process;

the existing methyl chloroacetate is prepared by placing the methyl chloroacetate in a reaction kettle for mixing reaction, however, since the methyl chloroacetate is prepared by esterification reaction of chloroacetic acid and methanol, the rate of the esterification reaction is influenced by factors such as the mixing degree and temperature, and the like, if a common stirring and mixing mode is adopted, the rate of the mixing reaction is possibly low, the preparation time is further increased, and the preparation speed is reduced, so that the methyl chloroacetate preparation device is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a methyl chloroacetate preparation device.

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

a methyl chloroacetate preparation apparatus comprising:

the reaction kettle is characterized in that a chloroacetic acid feeding pipe and a methanol feeding pipe are respectively arranged at the upper side and the lower side of the right side of the reaction kettle, an air outlet pipe is arranged at the left side of the top of the reaction kettle, and a return pipe is arranged at the left side of the reaction kettle;

the driving assembly is arranged on the reaction kettle;

and a mixing assembly mounted on the drive assembly.

Preferably, the drive assembly includes motor, (mixing) shaft, connection pad, fixed cover, movable block, spring, go up connecting rod, lower connecting rod and magnet, motor fixed mounting is in the middle of reation kettle's top department, (mixing) shaft fixed mounting is at the output of motor, connection pad fixed mounting is in the outside of (mixing) shaft, fixed cover fixed mounting is in the top a week of connection pad, movable block slidable mounting is in the inboard of fixed cover, the spring sets up the inboard at fixed cover, go up connecting rod fixed mounting at the top of movable block, lower connecting rod fixed mounting is in the bottom of movable block, the outside at lower connecting rod is established to the spring cover, the one end and the movable block looks butt of spring, magnet sets up the top at last connecting rod and the top inner wall right side of reation kettle respectively.

Preferably, the outside of motor is provided with the safety cover, the top fixed connection of safety cover and reation kettle.

Preferably, a mounting hole is formed in the periphery of the top of the connecting disc, and the inner diameter of the mounting hole is matched with the outer diameter of the fixing sleeve.

Preferably, sealing elements are arranged at the top and the bottom of the fixed sleeve, and the sealing elements are in sliding connection with the upper connecting rod and the lower connecting rod.

Preferably, the opposite sides of the magnet are like poles.

Preferably, the mixing assembly comprises a helical blade, a rotating sleeve and a rotating blade, wherein the helical blade is fixedly arranged on the outer lower side of the stirring shaft, the rotating sleeve is rotatably arranged on the outer side of the lower connecting rod and is sequentially arranged from top to bottom, and the rotating blade is fixedly arranged on the outer side of the rotating sleeve for a circle.

Preferably, a groove is formed in the outer side of the lower connecting rod, and the inner diameter of the rotating sleeve is matched with the outer diameter of the groove.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the methyl chloroacetate preparation device, through the driving assembly, the lower connecting rod can move up and down while stirring, so that the upper layer liquid and the lower layer liquid can be fully mixed, the preparation time is shortened, and the preparation speed is improved.

(2) According to the methyl chloroacetate preparation device, through the arranged mixing assembly, the rotation of the rotating sleeve can be driven by the vortex flow while the lower connecting rod revolves, so that the partial mixing sufficiency of methyl chloroacetate raw materials is fully ensured, the preparation time of methyl chloroacetate can be reduced, and the preparation speed of the methyl chloroacetate can be further improved.

Drawings

FIG. 1 is a schematic perspective view of a methyl chloroacetate preparation apparatus according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a methyl chloroacetate production apparatus according to the present utility model;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a reaction kettle; 2. a chloroacetic acid feed tube; 3. a methanol feed pipe; 4. an air outlet pipe; 5. a return pipe; 6. a motor; 7. a stirring shaft; 8. a connecting disc; 9. a fixed sleeve; 10. a moving block; 11. a spring; 12. an upper connecting rod; 13. a lower connecting rod; 14. a magnet; 15. a protective cover; 16. a helical blade; 17. a rotating sleeve; 18. and rotating the blades.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defining "first," "second," or the like, may explicitly or implicitly include one or more such features, and in the description of the present utility model, a "plurality" means two or more, unless otherwise specifically limited.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Examples

Referring to fig. 1-3, a methyl chloroacetate preparation facilities, including reation kettle 1, drive assembly and mixed component, both sides are provided with chloroacetic acid inlet pipe 2 and methyl alcohol inlet pipe 3 respectively about reation kettle 1's the right side, chloroacetic acid inlet pipe 2 and methyl alcohol inlet pipe 3 can be convenient for let in the raw materials to reation kettle 1, reation kettle 1's top left side is provided with outlet duct 4, outlet duct 4 can be convenient for evaporate methyl chloroacetate gas and collect, reation kettle 1's left side is provided with back flow 5, back flow 5 can make the water layer after the reposition of redundant personnel get back to reation kettle 1 and continue the reaction, drive assembly installs on reation kettle 1, mixed component installs on drive assembly.

In this embodiment, motor 6 fixed mounting is in the middle of the top of reation kettle 1, (mixing) shaft 7 fixed mounting is in the output of motor 6, connection pad 8 fixed mounting is in the outside of (mixing) shaft 7, fixed cover 9 fixed mounting is in the top a week of connection pad 8, movable block 10 slidable mounting is in the inboard of fixed cover 9, spring 11 sets up the inboard at fixed cover 9, spring 11 can provide an ascending thrust of movable block 10, go up connecting rod 12 fixed mounting at the top of movable block 10, lower connecting rod 13 fixed mounting is in the bottom of movable block 10, spring 11 cover is established in the outside of connecting rod 13 down, the one end and the movable block 10 looks butt of spring 11, magnet 14 sets up the top of last connecting rod 12 and the top inner wall right side of reation kettle 1 respectively, the outside of motor 6 is provided with safety cover 15, the top fixed connection of safety cover 15 and reation kettle 1, safety cover 15 can protect motor 6, improve its life, the mounting hole has been seted up at the top of connection pad 8, the internal diameter of mounting hole and the external diameter looks adaptation of fixed cover 9, the mounting hole can be convenient for fix a position and fix fixed cover 9, the top a week of fixed cover 9 and bottom sealing member and sealing member are the same polarity, the sealing member is avoided the mutual side between the sealing member and the sealing member is the sealing member between the two side of the sealing member is the same, and the sealing member is 12, the mutual side is the moisture is the sealing member is easy to the sealing member between the sealing member and the side and the sealing member is connected.

In this embodiment, helical blade 16 fixed mounting is in the outside downside of (mixing) shaft 7, and the cover 17 rotates the outside of installing in lower connecting rod 13, and arrange in proper order from top to bottom, and rotary blade 18 fixed mounting is in the outside a week of cover 17, and the outside of lower connecting rod 13 is provided with the recess, and the internal diameter of cover 17 and the external diameter looks adaptation of recess, and the recess can be fixed a position cover 17, and the cover 17 of being convenient for simultaneously rotates in the outside of lower connecting rod 13.

Through the structure, the methyl chloroacetate preparation device provided by the utility model can move the lower connecting rod 13 up and down while stirring, so that the liquid at the upper layer and the liquid at the lower layer can be fully mixed, the preparation time is reduced, the preparation speed is improved, the rotating sleeve 17 can be driven by vortex to rotate while the lower connecting rod 13 revolves, the partial mixing and full-scale of methyl chloroacetate raw materials is fully ensured, the preparation time of methyl chloroacetate can be further reduced, the preparation speed of the methyl chloroacetate is further improved, the device is particularly operated to be connected with an external power supply, chloroacetic acid and methanol are respectively introduced into the reaction kettle 1 through pipelines, the temperature in the reaction kettle 1 is improved, the motor 6 is controlled to work through an external controller, the motor 6 drives the connection disc 8 to rotate through the stirring shaft 7, when the magnet 14 at the top of the upper connecting rod 12 is close to the magnet 14 at the inner wall at the top of the reaction kettle 1, the lower extrusion force is applied to the upper connecting rod, the extrusion force is increased along with the reduction of the distance, the upper connecting rod 12 drives the movable block 10 to move downwards in the fixed sleeve 9, meanwhile, the spring 11 is compressed, the lower connecting rod 13 is driven to move downwards, and the magnet 14 at the inner wall at the top of the reaction kettle 1 is further moved upwards and reset under the elastic force of the spring 11, so that the cyclic up-and-down movement of the connecting rod is realized, the stirring range is improved, meanwhile, the rotating blades 18 at the outer side of the rotating sleeve 17 are rotated under the action of vortex in the reaction kettle 1, and rotate while revolving along with the connection disc 8, the mixing range is increased, and further the preparation of methyl chloroacetate can be improved.

The utility model provides a methyl chloroacetate preparation device. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A methyl chloroacetate preparation apparatus, comprising:

the reaction kettle (1), chloroacetic acid inlet pipe (2) and methyl alcohol inlet pipe (3) are respectively arranged on the upper and lower sides of the right side of the reaction kettle (1), an air outlet pipe (4) is arranged on the left side of the top of the reaction kettle (1), and a return pipe (5) is arranged on the left side of the reaction kettle (1);

the driving assembly is arranged on the reaction kettle (1);

and a mixing assembly mounted on the drive assembly.

2. The methyl chloroacetate preparation facilities of claim 1, wherein, drive assembly includes motor (6), (7), connection pad (8), fixed cover (9), movable block (10), spring (11), goes up connecting rod (12), lower connecting rod (13) and magnet (14), motor (6) fixed mounting is in the middle of the top of reation kettle (1), (7) fixed mounting is in the output of motor (6), connection pad (8) fixed mounting is in the outside of (7) stirring, fixed cover (9) fixed mounting is in the top a week of connection pad (8), movable block (10) slidable mounting is in the inboard of fixed cover (9), spring (11) set up the inboard at fixed cover (9), go up connecting rod (12) fixed mounting at the top of movable block (10), lower connecting rod (13) fixed mounting is in the bottom of movable block (10), spring (11) cover is established in the outside of lower connecting rod (13), spring (11) and the top of movable block (10) offset respectively, the top of movable block (10) and the right side of the connecting rod (14).

3. The methyl chloroacetate preparation device according to claim 2, wherein a protecting cover (15) is arranged on the outer side of the motor (6), and the protecting cover (15) is fixedly connected with the top of the reaction kettle (1).

4. A methyl chloroacetate preparation apparatus according to claim 3, wherein a mounting hole is formed in a periphery of the top of the connecting disc (8), and an inner diameter of the mounting hole is adapted to an outer diameter of the fixing sleeve (9).

5. The methyl chloroacetate preparation device according to claim 4, wherein the top and the bottom of the fixing sleeve (9) are provided with sealing elements, and the sealing elements are in sliding connection with the upper connecting rod (12) and the lower connecting rod (13).

6. A methyl chloroacetate production apparatus according to claim 5, wherein the magnets (14) are of like polarity on opposite sides.

7. The methyl chloroacetate preparation apparatus of claim 1, wherein the mixing assembly comprises a helical blade (16), a rotating sleeve (17) and a rotating blade (18), the helical blade (16) is fixedly installed on the outer lower side of the stirring shaft (7), the rotating sleeve (17) is rotatably installed on the outer side of the lower connecting rod (13) and sequentially arranged from top to bottom, and the rotating blade (18) is fixedly installed on the outer side of the rotating sleeve (17) for a circle.

8. The methyl chloroacetate preparation device according to claim 2, characterized in that the outer side of the lower connecting rod (13) is provided with a groove, and the inner diameter of the swivel (17) is adapted to the outer diameter of the groove.