CN219701126U - Reaction rectifying device for methyl chloroacetate production - Google Patents
Reaction rectifying device for methyl chloroacetate production Download PDFInfo
- Publication number
- CN219701126U CN219701126U CN202320733900.1U CN202320733900U CN219701126U CN 219701126 U CN219701126 U CN 219701126U CN 202320733900 U CN202320733900 U CN 202320733900U CN 219701126 U CN219701126 U CN 219701126U
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- CN
- China
- Prior art keywords
- methyl chloroacetate
- pivot
- stirring
- liquid inlet
- spiral lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- QABLOFMHHSOFRJ-UHFFFAOYSA-N methyl 2-chloroacetate Chemical compound COC(=O)CCl QABLOFMHHSOFRJ-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 title description 7
- 238000003756 stirring Methods 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 238000000066 reactive distillation Methods 0.000 claims description 13
- 238000003754 machining Methods 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 2
- 229940106681 chloroacetic acid Drugs 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 description 2
- 239000005947 Dimethoate Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- VXIVSQZSERGHQP-UHFFFAOYSA-N chloroacetamide Chemical compound NC(=O)CCl VXIVSQZSERGHQP-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- PZXOQEXFMJCDPG-UHFFFAOYSA-N omethoate Chemical compound CNC(=O)CSP(=O)(OC)OC PZXOQEXFMJCDPG-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to the field of rectifying devices, and discloses a reactive rectifying device for methyl chloroacetate production, which comprises the following components: the rectifying tower is internally filled with methyl chloroacetate raw material, and is fixedly provided with a heavy liquid inlet and a light liquid inlet; stirring subassembly, stirring subassembly sets up on the rectifying column, stirring subassembly includes pivot first, stirring leaf first, branching board, pivot second, stirring She Er, inner ring, internal tooth, gear, power motor, spiral lifting vane first and spiral lifting vane second, power motor fixed mounting is in the top of rectifying column, power motor output and pivot first fixed connection, pivot first outside and stirring leaf first and branching board fixed connection, pivot second is rotated and is installed on the branching board, pivot second top and gear fixed connection. The utility model has the following advantages and effects: can make methyl chloroacetate raw materials contact fast, improve methyl chloroacetate machining efficiency.
Description
Technical Field
The utility model relates to the technical field of rectifying devices, in particular to a reactive rectifying device for methyl chloroacetate production.
Background
Methyl chloroacetate is mainly used for synthesizing intermediates of dimethoate and omethoate, namely phosphorothioate, phosphorothioate and chloroacetylamine, and is also used as an organic synthesis raw material, also used for preparing medicines, adhesives and surfactants, and also used as a solvent; methyl chloroacetate is prepared by esterification reaction of chloroacetic acid and methanol; in the prior art, evenly mixing methanol and chloroacetic acid according to the weight ratio, adding the mixture into a reaction kettle, stirring and heating the mixture, and carrying out esterification reaction; after the reaction, putting the mixture into a second reaction kettle to separate methyl chloroacetate, and after the separation, putting the mixture into a plate-type rectifying tower to carry out rectifying operation.
The utility model discloses a reaction rectifying device for methyl chloroacetate production among the prior art, bulletin number is CN212818209U, including headstock, rectifying column, fixed plate and first worm wheel, rectifying column internally mounted has outer axostylus axostyle, and the inside interior axostylus axostyle that is provided with of outer axostylus axostyle, and the lower extreme of interior axostylus axostyle passes through the bearing to install in the inside downside of rectifying column to fixedly connected with lower carousel on the inner wall of rectifying column, fixedly connected with lower carousel on the interior axostylus axostyle, and fixedly connected with upper turntable on the outer axostylus axostyle, rectifying column upper left side fixedly connected with heavy liquid import, and rectifying column lower left side fixedly connected with light liquid import; a cross rod is arranged in the power box;
when methyl chloroacetate is rectified, the upper rotary table and the lower rotary table are rotated, so that a disperse phase and a continuous phase in methyl chloroacetate raw materials can be stirred together, but the positions of the upper rotary table and the lower rotary table are fixed, and the material lifting mechanism is not arranged, so that materials below the rectifying tower are fully contacted with materials above the rectifying tower for a long time, and the processing efficiency of the methyl chloroacetate raw materials can be reduced.
Therefore, there is a need to design a reactive distillation apparatus for methyl chloroacetate production to solve the above problems.
Disclosure of Invention
The utility model aims to provide a reactive distillation device for methyl chloroacetate production, which aims to solve the problems.
The technical aim of the utility model is realized by the following technical scheme: a reactive distillation device for methyl chloroacetate production, comprising:
the rectifying tower is internally filled with methyl chloroacetate raw material, and is fixedly provided with a heavy liquid inlet and a light liquid inlet;
and the stirring assembly is arranged on the rectifying tower.
The utility model is further provided with: the stirring assembly comprises a first rotating shaft, a first stirring blade, a branch plate, a second rotating shaft, a stirring She Er, an inner ring, inner teeth, gears, a power motor, a first spiral lifting blade and a second spiral lifting blade, wherein the power motor is fixedly arranged at the top end of the rectifying tower, the output end of the power motor is fixedly connected with the first rotating shaft, the outer side of the first rotating shaft is fixedly connected with the first stirring blade and the branch plate, the second rotating shaft is rotatably arranged on the branch plate, the top end of the second rotating shaft is fixedly connected with the gears, the inner ring is fixedly arranged on the inner wall of the top of the rectifying tower, the inner teeth are fixedly arranged on the inner side of the inner ring, the gears are meshed with the inner teeth, the first spiral lifting blade is fixedly arranged at the outer side of the first rotating shaft, and the second spiral lifting blade is fixedly arranged at the outer side of the second rotating shaft.
The utility model is further provided with: two limiting plates are fixedly sleeved on the outer side of the second rotating shaft, and the two limiting plates are contacted with the branch plates.
By adopting the technical scheme, the second rotating shaft can be subjected to limit treatment.
The utility model is further provided with: the first spiral lifting blade is positioned between the second spiral lifting blades.
The utility model is further provided with: the first stirring blades are staggered with the stirring blades She Er.
By adopting the technical scheme, the methyl chloroacetate raw material can be stirred.
The utility model is further provided with: and a valve I is fixedly arranged on the heavy liquid inlet.
By adopting the technical scheme, the heavy liquid inlet can be controlled.
The utility model is further provided with: and a valve II is fixedly arranged on the light liquid inlet.
The utility model is further provided with: the light liquid inlet is positioned below the heavy liquid inlet.
The beneficial effects of the utility model are as follows:
1. according to the stirring device, the stirring assembly is arranged, the power motor is started, the first stirring blade and the branch plate are driven by the rotating shaft to rotate, the second stirring blade and the second stirring blade are driven by the branch plate to rotate, and the second stirring blade can rotate along with the rotation of the first stirring shaft through the cooperation of the gear and the internal teeth, so that methyl chloroacetate raw materials in the rectifying tower can be uniformly stirred and contacted;
2. according to the stirring assembly, when the power motor is started, the first spiral lifting blade and the second spiral lifting blade can rotate, and the second spiral lifting blade can rotate while revolving, so that methyl chloroacetate raw materials in the rectifying tower can be uniformly lifted, the methyl chloroacetate raw materials can be enabled to be in quick contact, and the methyl chloroacetate processing efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a reactive distillation apparatus for methyl chloroacetate production.
Fig. 2 is a schematic cross-sectional structural diagram of a reactive distillation apparatus for methyl chloroacetate production.
Fig. 3 is a schematic diagram of a portion a in fig. 2.
In the figure, 1, a rectifying tower; 2. a first rotating shaft; 3. stirring the first stirring blade; 4. a branching plate; 5. a second rotating shaft; 6. stirring She Er; 7. a limiting disc; 8. an inner ring; 9. internal teeth; 10. a gear; 11. a power motor; 12. spiral lifting blade I; 13. spiral lifting blades II; 14. a heavy liquid inlet; 15. and a light liquid inlet.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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 fall within the scope of the utility model.
Referring to fig. 1, 2 and 3, the present utility model provides a reactive distillation apparatus for methyl chloroacetate production, comprising:
rectifying column 1 and stirring subassembly, wherein:
methyl chloroacetate raw material is contained in the rectifying tower 1, a heavy liquid inlet 14 and a light liquid inlet 15 are fixedly arranged on the rectifying tower 1, and the methyl chloroacetate raw material is stirred through a stirring component, so that the methyl chloroacetate raw material is fully contacted, and the stirring component is arranged on the rectifying tower 1.
Specifically, stirring subassembly includes pivot one 2, stirring leaf one 3, branch board 4, pivot two 5, stirring leaf two 6, inner ring 8, internal tooth 9, gear 10, power motor 11, spiral lifting vane one 12 and spiral lifting vane two 13, power motor 11 fixed mounting is in the top of rectifying column 1, power motor 11 output and pivot one 2 fixed connection, pivot one 2 outside and stirring leaf one 3 and branch board 4 fixed connection, pivot two 5 rotation is installed on branch board 4, pivot two 5 top and gear 10 fixed connection, inner ring 8 fixed mounting is on the top inner wall of rectifying column 1, internal tooth 9 fixed mounting is in the inboard of inner ring 8, gear 10 meshes with internal tooth 9, spiral lifting vane one 12 fixed mounting is in the outside of pivot one 2, spiral lifting vane two 13 fixed mounting is in the outside of pivot two 5.
Through the structure, the power motor 11 is started, the power motor 11 drives the first rotating shaft 2 to rotate, the first rotating shaft 2 drives the first stirring blade 3 and the second stirring blade 13 to rotate, the second rotating shaft 5 drives the second stirring blade 6 and the gear 10 to rotate, the gear 10 is meshed with the inner teeth 9, the gear 10 can rotate, the second rotating shaft 5 can rotate along with the second stirring blade 4 and rotate, the first stirring blade 3 and the second stirring blade 6 cooperate to stir methyl chloroacetate raw materials, the first rotating shaft 2 and the second rotating shaft 13 respectively drive the first spiral lifting blade 12 and the second spiral lifting blade 13 to rotate, and then the first spiral lifting blade 12 and the second spiral lifting blade 13 can lift and stir methyl chloroacetate raw materials below, so that the methyl chloroacetate raw materials can be fully contacted, and the processing efficiency of methyl chloroacetate is improved.
Specifically, the fixed cover in the outer side of the second rotating shaft 5 is provided with two limiting plates 7, and the two limiting plates 7 are contacted with the branch plate 4, and it is to be noted that the limiting plates 7 can limit the second rotating shaft 5, so that the stability of the second rotating shaft 5 during rotation is improved.
Specifically, the first spiral lifting blade 12 is located between the second spiral lifting blade 13, and it should be noted that the positions of the first spiral lifting blade 12 and the second spiral lifting blade 13 may be defined.
Specifically, the stirring blades I3 and II 6 are staggered, and the stirring treatment is carried out on the methyl chloroacetate raw material.
Specifically, a first valve is fixedly arranged on the heavy liquid inlet 14, a second valve is fixedly arranged on the light liquid inlet 15, and the light liquid inlet 15 is positioned below the heavy liquid inlet 14, and it is required to say that the addition of methyl chloroacetate raw material is convenient.
The reaction rectifying device for methyl chloroacetate production provided by the utility model is described in detail above. 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 (7)
1. A reactive distillation apparatus for methyl chloroacetate production, comprising:
the rectifying tower (1), methyl chloroacetate raw material is contained in the rectifying tower (1), and a heavy liquid inlet (14) and a light liquid inlet (15) are fixedly arranged on the rectifying tower (1);
stirring subassembly, stirring subassembly sets up on rectifying column (1), stirring subassembly includes pivot one (2), stirring leaf one (3), branching board (4), pivot two (5), stirring She Er (6), inner ring (8), internal tooth (9), gear (10), power motor (11), spiral lifting vane one (12) and spiral lifting vane two (13), power motor (11) fixed mounting is in the top of rectifying column (1), power motor (11) output and pivot one (2) fixed connection, pivot one (2) outside and stirring leaf one (3) and branching board (4) fixed connection, pivot two (5) rotation are installed on branching board (4), pivot two (5) top and gear (10) fixed connection, inner ring (8) fixed mounting is on the top inner wall of rectifying column (1), inner tooth (9) fixed mounting is in the inboard of inner ring (8), gear (10) and internal tooth (9) mesh, spiral lifting vane one (12) fixed mounting is in the outside of pivot two (13) of spiral lifting vane one (2).
2. The reactive distillation apparatus for methyl chloroacetate production of claim 1, wherein two limiting plates (7) are fixedly sleeved on the outer side of the second rotating shaft (5), and the two limiting plates (7) are contacted with the branching plate (4).
3. The reactive distillation apparatus for methyl chloroacetate production of claim 1, wherein the first spiral lifting blade (12) is located between the second spiral lifting blades (13).
4. The reactive distillation apparatus for methyl chloroacetate production of claim 1, wherein the stirring blades one (3) and the stirring She Er (6) are staggered.
5. The reactive distillation apparatus for methyl chloroacetate production of claim 1, wherein a valve one is fixedly provided on the heavy liquid inlet (14).
6. The reactive distillation apparatus for methyl chloroacetate production of claim 1, wherein a valve two is fixedly arranged on the light liquid inlet (15).
7. The reactive distillation apparatus for methyl chloroacetate production of claim 1, wherein the light liquid inlet (15) is located below the heavy liquid inlet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733900.1U CN219701126U (en) | 2023-04-06 | 2023-04-06 | Reaction rectifying device for methyl chloroacetate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733900.1U CN219701126U (en) | 2023-04-06 | 2023-04-06 | Reaction rectifying device for methyl chloroacetate production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219701126U true CN219701126U (en) | 2023-09-19 |
Family
ID=87980871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320733900.1U Active CN219701126U (en) | 2023-04-06 | 2023-04-06 | Reaction rectifying device for methyl chloroacetate production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219701126U (en) |
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2023
- 2023-04-06 CN CN202320733900.1U patent/CN219701126U/en active Active
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| GR01 | Patent grant |