CN212818270U - Extraction device for refining and purifying vinyl ethers - Google Patents
Extraction device for refining and purifying vinyl ethers Download PDFInfo
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- CN212818270U CN212818270U CN202021293419.8U CN202021293419U CN212818270U CN 212818270 U CN212818270 U CN 212818270U CN 202021293419 U CN202021293419 U CN 202021293419U CN 212818270 U CN212818270 U CN 212818270U
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Abstract
The utility model belongs to the technical field of vinyl ether production equipment, and discloses an extraction device for refining and purifying vinyl ethers, which comprises an extraction tank, an organic phase storage tank and a waste liquid storage tank; the extraction tank comprises a first extraction tank and a second extraction tank which are identical in structure, the top of the extraction tank is provided with a vinyl ether crude product inlet and an extractant inlet, the bottom of the extraction tank is provided with a discharge pipe, the upper end of the discharge pipe is provided with a discharge valve, the upper part of the extraction tank is a mixing cavity, the lower part of the extraction tank is a standing cavity, the bottom of the mixing cavity is provided with a discharge hole communicated with the standing cavity, and a stirring assembly is arranged in the mixing cavity; the discharging pipe of the first extraction tank is respectively communicated with the organic phase storage tank and the vinyl ether crude product inlet and the waste liquid storage tank of the second extraction tank, and the discharging pipe of the second extraction tank is respectively communicated with the organic phase storage tank and the waste liquid storage tank. The device can improve the extraction effect and improve the separation degree of the organic phase and the water phase.
Description
Technical Field
The utility model belongs to the technical field of vinyl ether production facility, concretely relates to extraction device is used in refined purification of vinyl ether.
Background
The production process of vinyl ethers mainly comprises an acetylene method, a dehydrohalogenation method and an acetal thermal decomposition method, wherein the acetylene method has the characteristics of wide raw material range, simple catalyst and less byproducts, and is widely applied all the time. The preparation of vinyl ethers by the acetylene process includes: preparing acetylene gas, catalytic reaction of acetylene gas and corresponding alcohols, and adopting 1: 1 CCl as the vinyl ether crude product synthesized by the reaction4And H2And extracting the mixture of O as an extractant, and distilling the organic phase under reduced pressure to remove the solvent to obtain the vinyl ether product.
The existing extraction equipment has the defects that the extraction effect is influenced because the extracting agent is not completely mixed with the vinyl ether crude product, the organic phase and the water phase are not completely separated, the vinyl ether product is wasted and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide an extraction device for refining and purifying vinyl ethers, which improves the extraction effect and the separation degree of organic phase and water phase through reasonable result setting.
In order to achieve the above object, the present invention is realized by the following technical solutions:
the extraction device for refining and purifying vinyl ethers comprises an extraction tank, an organic phase storage tank and a waste liquid storage tank;
the extraction tank comprises a first extraction tank and a second extraction tank which are identical in structure, the top of the extraction tank is provided with a vinyl ether crude product inlet and an extractant inlet, the bottom of the extraction tank is provided with a discharge pipe, the upper end of the discharge pipe is provided with a discharge valve, the upper part of the extraction tank is a mixing cavity, the lower part of the extraction tank is a standing cavity, the bottom of the mixing cavity is provided with a discharge hole communicated with the standing cavity, and a stirring assembly is arranged in the mixing cavity;
the discharging pipe of the first extraction tank is respectively communicated with the organic phase storage tank and the vinyl ether crude product inlet and the waste liquid storage tank of the second extraction tank, and the discharging pipe of the second extraction tank is respectively communicated with the organic phase storage tank and the waste liquid storage tank.
The utility model discloses a stirring subassembly can adopt conventional stirring subassembly to go on, as long as can realize the material misce bene can. Preferably, the stirring subassembly includes (mixing) shaft and the stirring rake of vertical setting, and the upper end of (mixing) shaft links to each other with the output shaft of the gear motor of extraction jar top, and the stirring rake includes horizontal stirring rake and anchor stirring rake, and the anchor stirring rake is fixed in the lower extreme of (mixing) shaft, and the outside of anchor stirring rake is equipped with the scraper blade, and the scraper blade matches with the bottom and the lateral wall of hybrid chamber, and horizontal stirring rake is fixed in on the (mixing) shaft of anchor stirring rake top.
Preferably, the extraction device further comprises a support, the first extraction tank and the second extraction tank are fixed on the support, and the organic phase storage tank and the waste liquid storage tank are located below the support. The setting of support makes things convenient for each material to rely on the smooth and easy circulation of gravity.
The utility model discloses in still including other subassemblies that can make this extraction device normal use, for example, the pipeline that the discharging pipe of first extraction jar is linked together with the vinyl ether crude product import and the waste liquid storage tank of organic phase storage tank, second extraction jar respectively, and be equipped with the valve of control material flow direction on the pipeline, pipeline and valve that the discharging pipe of second extraction jar is linked together with organic phase storage tank and waste liquid storage tank respectively, discharge gate department is equipped with the valve, these all belong to the conventional selection in this field. Additionally, the utility model discloses in all adopt the conventional means in this field with the subassembly of injecing not, for example, gear motor, extraction jar adopt visual transparent material, make things convenient for the blowing, the material of scraper blade etc. all can carry out conventional setting according to prior art.
The utility model discloses an extraction device's effect principle includes: adding the vinyl ether crude product into the mixing cavity of the first extraction tank, and addingAdding an extracting agent, fully mixing the extracting agent with the vinyl ether crude product under the action of a stirring component to ensure that the vinyl ether product can be completely dissolved in an organic phase of the extracting agent, placing the mixture into a standing cavity, standing the mixture for demixing, and dissolving an organic phase (CCl) of the vinyl ether product in the mixture4) And (3) placing the organic phase in an organic phase storage tank at the lower layer, closing a pipeline communicated with the organic phase storage tank of the first extraction tank when the organic phase is close to two adjacent layers, opening a communicated pipeline of vinyl ether crude product inlets of the first extraction tank and the second extraction tank, placing the materials at the two adjacent layers in a mixing cavity of the second extraction tank, adding an extracting agent, mixing and standing, extracting vinyl ether products in the partial materials into the organic phase, placing the organic phase in the organic phase storage tank, and placing the residual liquid in the first extraction tank and the residual liquid in the second extraction tank into a waste liquid storage tank to finish the extraction of the vinyl ether crude products.
The utility model discloses an extraction device sets up through reasonable structure, with extractant and vinyl ether crude product intensive mixing, makes the organic phase that vinyl ether product was dissolved in the extractant completely, can not realize the abundant separation in order to prevent organic phase and the aqueous phase in the extraction jar in addition, influences the yield of vinyl ether product, carries out the secondary extraction with the material of organic phase and aqueous phase adjacent department, collects vinyl ether product as far as completely, reduces material loss.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
FIG. 1 is a schematic view showing the structure of an extraction apparatus for purifying vinyl ethers according to an embodiment.
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, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Examples
As shown in fig. 1, the extraction device for refining and purifying vinyl ethers comprises an extraction tank, an organic phase storage tank 1 and a waste liquid storage tank 2;
the extraction tank comprises a first extraction tank 3 and a second extraction tank 4 which are identical in structure, the top of the extraction tank is provided with a vinyl ether crude product inlet 5 and an extractant inlet 6, the bottom of the extraction tank is provided with a discharge pipe 7, the upper end of the discharge pipe 7 is provided with a discharge valve, the upper part of the extraction tank is a mixing cavity, the lower part of the extraction tank is a standing cavity, the bottom of the mixing cavity is provided with a discharge hole 8 communicated with the standing cavity, and a stirring assembly is arranged in the mixing cavity;
the discharge pipe 7 of the first extraction tank 3 is respectively communicated with the vinyl ether crude product inlet 5 and the waste liquid storage tank 2 of the organic phase storage tank 1 and the second extraction tank 4, and the discharge pipe 7 of the second extraction tank 4 is respectively communicated with the organic phase storage tank 1 and the waste liquid storage tank 2.
The stirring subassembly includes (mixing) shaft 9 and the stirring rake of vertical setting, and the upper end of (mixing) shaft 9 links to each other with the output shaft of the gear motor 10 of extraction jar top, and the stirring rake includes horizontal stirring rake 11 and anchor stirring rake 12, and anchor stirring rake 12 is fixed in the lower extreme of (mixing) shaft 9, and the outside of anchor stirring rake 12 is equipped with the scraper blade, and the scraper blade matches with the bottom and the lateral wall of hybrid chamber, and horizontal stirring rake 11 is fixed in on the (mixing) shaft 9 of anchor stirring rake 12 top.
The extraction device also comprises a bracket 13, the first extraction tank 3 and the second extraction tank 4 are fixed on the bracket 13, and the organic phase storage tank 1 and the waste liquid storage tank 2 are positioned below the bracket 13.
The action principle of the extraction device comprises: adding the vinyl ether crude product into a mixing cavity of the first extraction tank 3, adding an extracting agent, fully mixing the extracting agent and the vinyl ether crude product under the action of a stirring component to enable the vinyl ether product to be completely dissolved in an organic phase of the extracting agent, placing the mixture into a standing cavity, standing and layering the mixture, and dissolving an organic phase (CCl) of the vinyl ether product in the organic phase (CCl)4) The organic phase is placed in the lower layer, the organic phase is placed in the organic phase storage tank 1, and when the two layers are adjacent, the first extraction tank 3 and the organic phase are closedThe pipeline that storage tank 1 is linked together opens the pipeline that communicates of vinyl ether crude product import 5 of first extraction jar 3 and second extraction jar 4, puts the material of two-layer adjacent department in the mixing chamber of second extraction jar 4, adds the extractant, mixes, stews, extracts the vinyl ether product in this part material to organic phase, puts organic phase in organic phase storage tank 1, all puts the surplus liquid in first extraction jar 3 and second extraction jar 4 in waste liquid storage tank 2, accomplishes the extraction of vinyl ether crude product.
This extraction device is through reasonable structure setting, with the intensive mixing of extractant and vinyl ether crude product, makes the organic phase of vinyl ether product completely dissolved in the extractant, in addition in order to prevent that organic phase and aqueous phase in the extraction jar can not realize the intensive separation, influences the yield of vinyl ether product, carries out the secondary extraction with the material of organic phase and aqueous phase adjacent department in first extraction jar 3, collects vinyl ether product as far as completely, reduces the material loss.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (3)
1. The extraction device for refining and purifying vinyl ethers comprises an extraction tank and is characterized in that: the device also comprises an organic phase storage tank and a waste liquid storage tank;
the extraction tank comprises a first extraction tank and a second extraction tank which are identical in structure, the top of the extraction tank is provided with a vinyl ether crude product inlet and an extractant inlet, the bottom of the extraction tank is provided with a discharge pipe, the upper end of the discharge pipe is provided with a discharge valve, the upper part of the extraction tank is a mixing cavity, the lower part of the extraction tank is a standing cavity, the bottom of the mixing cavity is provided with a discharge hole communicated with the standing cavity, and a stirring assembly is arranged in the mixing cavity;
the discharging pipe of the first extraction tank is respectively communicated with the organic phase storage tank and the vinyl ether crude product inlet and the waste liquid storage tank of the second extraction tank, and the discharging pipe of the second extraction tank is respectively communicated with the organic phase storage tank and the waste liquid storage tank.
2. The extraction apparatus for refining and purifying vinyl ethers according to claim 1, wherein: the stirring subassembly includes (mixing) shaft and the stirring rake of vertical setting, and the upper end of (mixing) shaft links to each other with the gear motor's of extraction jar top output shaft, and the stirring rake includes horizontal stirring rake and anchor stirring rake, and the anchor stirring rake is fixed in the lower extreme of (mixing) shaft, and the outside of anchor stirring rake is equipped with the scraper blade, and the bottom and the lateral wall phase-match of scraper blade and hybrid chamber, horizontal stirring rake is fixed in on the (mixing) shaft of anchor stirring rake top.
3. The extraction apparatus for refining and purifying vinyl ethers according to claim 1, wherein: the device also comprises a support, the first extraction tank and the second extraction tank are fixed on the support, and the organic phase storage tank and the waste liquid storage tank are positioned below the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021293419.8U CN212818270U (en) | 2020-07-03 | 2020-07-03 | Extraction device for refining and purifying vinyl ethers |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021293419.8U CN212818270U (en) | 2020-07-03 | 2020-07-03 | Extraction device for refining and purifying vinyl ethers |
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| CN212818270U true CN212818270U (en) | 2021-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307250A (en) * | 2022-01-26 | 2022-04-12 | 九江富达实业有限公司 | A accessory substance recovery unit for dispersing red 60 preparation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307250A (en) * | 2022-01-26 | 2022-04-12 | 九江富达实业有限公司 | A accessory substance recovery unit for dispersing red 60 preparation |
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