CN203999446U - A kind of industrialization vinyl acetic monomer production equipment - Google Patents
A kind of industrialization vinyl acetic monomer production equipment Download PDFInfo
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- CN203999446U CN203999446U CN201420395845.0U CN201420395845U CN203999446U CN 203999446 U CN203999446 U CN 203999446U CN 201420395845 U CN201420395845 U CN 201420395845U CN 203999446 U CN203999446 U CN 203999446U
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- esterifying kettle
- raw material
- industrialization
- vinyl acetic
- acetic monomer
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Abstract
The utility model discloses a kind of industrialization vinyl acetic monomer production equipment, comprise raw material tank, described raw material tank is provided with material inlet, described raw material tank is connected with esterifying kettle by feed pipe, described feed pipe is provided with preheater, described esterifying kettle is connected with rectifier by discharge pipe, described rectifier connects condenser, described condenser connects storage tank, between described condenser and storage tank, be provided with phase splitter, in described esterifying kettle, be provided with heating tube, described heating tube process esterifying kettle bottom, and be provided with import and outlet.The utility model, by raw material being carried out to second-heating in esterifying kettle, makes reaction carry out to esterification direction, improves the transformation efficiency of ethanol, acetic acid.
Description
Technical field
The utility model relates to chemical industry equipment field, particularly a kind of industrialization vinyl acetic monomer production equipment.
Background technology
Vinyl acetic monomer is one of most widely used fatty acid ester, is a kind of quick-drying solvent, has excellent dissolving power, is fabulous industrial solvent.Can be used for cellulose nitrate, ethyl cellulose, chlorinated rubber and ethenoid resin, synthetic rubber, also can be used for used in copy machines liquid nitrocellulose ink.As industrial solvent, can make the solvent of caking agent, the thinner spraying paint for products such as coating, tackiness agent, ethyl cellulose, leatheroid, malthoid tinting material, regenerated fibers, in textile industry, can be used as clean-out system.As tackiness agent, for the production of printing-ink, olivet; As extraction agent, for the production of the products such as medicine, organic acid.As perfume base, for the main raw material of the fruit essences such as pineapple, banana, strawberry and whisky, milk wet goods spices, in perfume industry, be important spice additive, can make the component of deodorant tune.Purposes is very extensive, is with a wide range of applications.
At present, vinyl acetic monomer industrial process mainly contains 4 kinds of acetic acid esterified method, acetaldehyde condensation method, alcohol dehydrogenase method and acetic acid with ethylene additive processes.Esterification process is the main technique route that domestic industry is produced vinyl acetic monomer.Taking acetic acid and ethanol as raw material, sulfuric acid is that catalyst for making direct esterification obtains vinyl acetic monomer, then through dehydration, the refining finished product that to obtain of fractionation.
Domestic patent database disclosed the patented technology of some relevant vinyl acetic monomer production equipments in recent years:
For example [title] is provided with the vinyl acetic monomer esterification reaction tower of new type heater, [notification number] CN203459080U, this invention provides a kind of acetic acid ethyl reaction device, relate to a kind of esterification reaction equipment field, comprise esterification reaction tower, wherein, esterification reaction tower lower end is inverted cone-shaped, be provided with material inlet at esterification tower bottom, this material inlet communicates with a circular body, described circular body one end is provided with acetic acid entrance, the other end is provided with ethanol and sulfuric acid entrance, be provided with preheater in the circular body left and right sides, the utility model is reasonable in design, two kinds of raw materials are with pressure after preheating enters esterification reaction tower from relative direction respectively, fully contact at tower body inverted cone-shaped position, ensure the transformation efficiency of reaction, and shorten the reaction times.But along with the carrying out reacting in reaction tower, heat can distribute, material temperature is reduced, transformation efficiency can decline.
Summary of the invention
The utility model object is to overcome the deficiencies in the prior art, and a kind of industrialization vinyl acetic monomer production equipment is provided, and by the second-heating to raw material, makes to react under its optimum temps that remains on reaction, effectively improves efficiency of conversion, economizes on resources.
To achieve these goals, the technical scheme that the utility model patent adopts:
A kind of industrialization vinyl acetic monomer production equipment, comprise raw material tank, described raw material tank is provided with material inlet, described raw material tank is connected with esterifying kettle by feed pipe, described feed pipe is provided with preheater, described esterifying kettle is connected with rectifier by discharge pipe, and described rectifier connects condenser, and described condenser connects storage tank.
Further illustrate as of the present utility model, between described condenser and storage tank, be provided with phase splitter, in described esterifying kettle, be provided with heating tube, described heating tube process esterifying kettle bottom, and be provided with import and outlet.
Further illustrate as of the present utility model, it is stainless steel that described heating tube adopts material.
Further illustrate as of the present utility model, described discharge pipe is provided with valve.
The utility model principle of work: add respectively acetic acid and ethanol and catalyst sulfuric acid to raw material tank from material inlet, then flow into preheater by feed pipe, after preheater, after preheating, flow into esterifying kettle, the now valve closes on discharge pipe, now inject hot water or steam by the import of heating tube, flow through esterifying kettle bottom, after second-heating raw material, the hot water of dissipated heat or steam flow out from the outlet of heating tube, fully after reaction, open valve, mixture flows into rectifier by pipeline, enter condenser by the mixture after rectifying separation, separate and obtain ethyl acetate through phase splitter again, be stored in storage tank.
The beneficial effects of the utility model: by the second-heating to reaction mixture, make to react under its optimum temps that remains on reaction, effectively improve efficiency of conversion, saved the resources of production.And adopt stainless steel to make heat pipe, make it corrosion-resistant, easily heat conduction, the transformation efficiency of raising ethanol, acetic acid.Utilize the utility model device, industrialization vinyl acetic monomer esterification speed improves 15%-25%, and feed stock conversion improves more than 15%.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1-raw material tank; 2-material inlet; 3-feed pipe; 4-preheater; 5-esterifying kettle; 6-heating tube; 7-import; 8-outlet; 9-discharge pipe; 10-valve; 11-rectifier; 12-condenser; 13-phase splitter; 14-storage tank.
body embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated, but protection domain of the present utility model is not only confined to following examples.
The present embodiment comprises raw material tank 1, described raw material tank 1 is provided with material inlet 2, described raw material tank 2 is connected with esterifying kettle 5 by feed pipe 3, described feed pipe 3 is provided with preheater 4, described esterifying kettle 5 is connected with rectifier 11 by discharge pipe 9, described rectifier 11 connects condenser 12, described condenser 12 connects storage tank 14, between described condenser 12 and storage tank 14, be provided with phase splitter 13, in described esterifying kettle 5, be provided with heating tube 6, described heating tube 6 process esterifying kettle 5 bottoms, and be provided with import 7 and outlet 8, on described discharge pipe, 9 are provided with valve 10.
Add respectively acetic acid and ethanol and catalyst sulfuric acid to raw material tank 1 from material inlet 2, then flow into preheater 4 by feed pipe 3, after preheater 4, after preheating, flow into esterifying kettle 5, now the valve 10 on discharge pipe 9 is closed, now inject hot water or steam by the import 7 of heating tube 6, esterifying kettle 5 bottoms of flowing through, after second-heating raw material, the hot water of dissipated heat or steam flow out from the outlet 8 of heating tube 6, fully after reaction, open valve 10, mixture flows into rectifier 11 by pipeline, enter condenser 12 by the mixture after rectifying separation, separate and obtain ethyl acetate through phase splitter 13 again, be stored in storage tank 14.Utilize the present embodiment device to produce, industrialization vinyl acetic monomer esterification speed improves 15%-25%, and feed stock conversion improves more than 15%.
The utility model above-described embodiment scheme is only can not limit the utility model to explanation of the present utility model, in claim, point out the scope of the utility model device parameter, and the scope of the utility model device parameter is not pointed out in above-mentioned explanation, therefore, any change in implication and the scope suitable with claims of the present utility model, is all considered to be in the scope that is included in claims.
The utility model is through multidigit industrialization vinyl acetic monomer production equipment researchist long term operation experience accumulation, and create by creative work, it is in actual plastic suction pipe preparation is produced, this device is by the second-heating to reaction mixture, make to react under its optimum temps that remains on reaction, effectively improve efficiency of conversion, saved the resources of production.
Claims (5)
1. an industrialization vinyl acetic monomer production equipment, comprise raw material tank (1), it is characterized in that: described raw material tank (1) is provided with material inlet (2), described raw material tank (2) is connected with esterifying kettle (5) by feed pipe (3), described feed pipe (3) is provided with preheater (4), described esterifying kettle (5) is connected with rectifier (11) by discharge pipe (9), and described rectifier (11) connects condenser (12), and described condenser (12) connects storage tank (14).
2. a kind of industrialization vinyl acetic monomer production equipment according to claim 1, is characterized in that: between described condenser (12) and storage tank (14), be provided with phase splitter (13).
3. a kind of industrialization vinyl acetic monomer production equipment according to claim 1, is characterized in that: in described esterifying kettle (5), be provided with heating tube (6), and described heating tube (6) process esterifying kettle (5) bottom, and be provided with import (7) and outlet (8).
4. a kind of industrialization vinyl acetic monomer production equipment according to claim 1, is characterized in that: it is stainless steel that described heating tube (6) adopts material.
5. a kind of industrialization vinyl acetic monomer production equipment according to claim 1 and 2, is characterized in that: on described discharge pipe, (9) are provided with valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395845.0U CN203999446U (en) | 2014-07-17 | 2014-07-17 | A kind of industrialization vinyl acetic monomer production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395845.0U CN203999446U (en) | 2014-07-17 | 2014-07-17 | A kind of industrialization vinyl acetic monomer production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203999446U true CN203999446U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420395845.0U Active CN203999446U (en) | 2014-07-17 | 2014-07-17 | A kind of industrialization vinyl acetic monomer production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203999446U (en) |
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2014
- 2014-07-17 CN CN201420395845.0U patent/CN203999446U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |