CN216630771U - Continuous water washing and dewatering equipment for toluene containing alcohol - Google Patents
Continuous water washing and dewatering equipment for toluene containing alcohol Download PDFInfo
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- CN216630771U CN216630771U CN202123010178.9U CN202123010178U CN216630771U CN 216630771 U CN216630771 U CN 216630771U CN 202123010178 U CN202123010178 U CN 202123010178U CN 216630771 U CN216630771 U CN 216630771U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to continuous washing dehydration equipment for methylbenzene containing alcohol, which comprises a washing delayer and has the technical key points that: the water-washing delayer is communicated with the premixer, an inlet of the premixer is provided with an inlet flow control valve, the inlet side of the inlet flow control valve is respectively communicated with a toluene mixture feeding pipeline and a water feeding pipeline, the side of the top of the water-washing delayer is communicated with the vertical toluene extractor through a water-containing toluene output pipeline I, the upper part of the vertical toluene extractor is additionally connected with a water inlet pipeline, the side of the top of the vertical toluene extractor is communicated with the horizontal toluene extraction delayer through a water-containing toluene output pipeline II, the side of the top of the horizontal toluene extraction delayer is connected with a toluene output pipeline, and the tail end of the toluene output pipeline is connected with a three-stage demethylated benzoate tower. The equipment solves the problem of separation of toluene and alcohol which are intermediate byproducts of clethodim in the prior art, effectively separates the toluene and the alcohol to obtain the anhydrous toluene, has high degree of continuity and high production efficiency, and is suitable for wide popularization and application.
Description
Technical Field
The utility model relates to toluene recycling equipment, in particular to continuous water washing and dewatering equipment for toluene containing alcohol.
Background
The clethodim is a stem leaf herbicide, is an efficient, safe and high-selectivity ACCase inhibitor, has special effect on most annual and perennial gramineous weeds, and is safe to dicotyledonous crops. The 5- (2- (ethylthio) propyl) -2-propionyl-cyclohexyl-1, 3 dione is an intermediate of clethodim, and the generated by-product toluene often contains alcohol, so that the by-product toluene cannot be directly recycled, but if recycling cannot be selected, resource waste is caused, and the application is provided for the purpose.
Disclosure of Invention
The utility model aims to provide continuous washing and dehydrating equipment for the alcohol-containing toluene, which is reasonable in configuration and reliable in use, solves the problem of separation of toluene and alcohol which are intermediate byproducts of clethodim in the prior art, effectively separates the toluene and the alcohol to obtain the anhydrous toluene, and is high in continuous degree and production efficiency and suitable for wide popularization and application.
The technical scheme of the utility model is as follows:
the utility model provides an contain continuous washing dewatering equipment of alcoholic toluene, includes the washing delayer, its technical essential is: the liquid inlet of the water washing delayer is communicated with a liquid outlet pipeline of the premixer, the liquid inlet of the premixer is provided with an inlet flow control valve, the inlet side of the inlet flow control valve is respectively communicated with a toluene mixture feed pipeline and a water feed pipeline, the bottom of the water washing delayer is provided with a plurality of alcohol separation outlets, the side of the top of the water washing delayer is connected with a hydrous toluene output pipeline I, the tail end of the hydrous toluene output pipeline I is communicated with the vertical toluene extractor, the upper part of the vertical toluene extractor is additionally connected with a water inlet pipeline, the side of the top of the vertical toluene extractor is connected with a hydrous toluene output pipeline II, the tail end of the hydrous toluene output pipeline II is communicated with the horizontal toluene extraction delayer, the bottom of the horizontal toluene extraction delayer is provided with a plurality of water separation outlets, the side of the top of the horizontal toluene extraction delayer is connected with a toluene output pipeline, the tail end of the toluene output pipeline is connected with a toluene salt removing tower, and an outlet flow regulating valve interlocked with the inlet flow control valve is arranged on an anhydrous toluene discharging pipeline of the third-stage demethylated benzenoid salt tower.
Foretell contain mellow wine serialization washing dewatering equipment, each mellow wine separation export of washing delayer bottom utilizes the pipeline to converge in same layering mellow wine collection pipeline, washing delayer top is equipped with end and the layering mellow wine collection pipeline intercommunication of vapor output line I and vapor output line I.
The continuous water washing and dehydrating equipment for the alcohol-containing methylbenzene is characterized in that a longitudinally-arranged stirring mechanism is arranged in the vertical methylbenzene extractor, a water layer discharging pipeline is arranged at the bottom of the vertical methylbenzene extractor, a steam output pipeline II is arranged at the top of the vertical methylbenzene extractor, a steam output pipeline III is arranged at the top of the horizontal methylbenzene extraction delaminator, and each water separation outlet, the steam output pipeline II and the steam output pipeline III at the bottom of the horizontal methylbenzene extraction delaminator are communicated with the water layer discharging pipeline.
In the continuous water washing dehydration equipment for the alcoholic methylbenzene, the third-stage demethylation benzene salt tower is composed of three demethylation benzene salt towers which are used for concentrating the methylbenzene and are connected in series.
The utility model has the beneficial effects that:
1. toluene and alcohol are separated firstly by adopting a water washing delayer, then toluene and water are separated by a vertical toluene extractor and a horizontal toluene extraction delayer, and finally toluene is concentrated by a three-stage demethylation benzene salt tower, and anhydrous toluene is output, so that the problem of separation of toluene and alcohol which are intermediate byproducts of clethodim in the prior art is solved, and the toluene can be recycled conveniently.
2. The inlet flow control valve and the outlet flow control valve are used for interlocking control, so that the degree of continuity is high, the production efficiency is high, and the method is suitable for wide popularization and application.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the system comprises a toluene mixture feeding pipeline, 2. a water feeding pipeline, 3. an inlet flow control valve, 4. a premixer, 5. an alcohol separation outlet, 6. a water washing delayer, 7. a steam output pipeline I, 8. a layered alcohol collecting pipeline, 9. a water-containing toluene output pipeline I, 10. a water inlet pipeline, 11. a vertical toluene extractor, 12. a water layer discharging pipeline, 13. a steam output pipeline II, 14. a water-containing toluene output pipeline II, 15. a horizontal toluene extraction delayer, 16. a steam output pipeline III, 17. a toluene output pipeline, 18. a water separation outlet, 19. a three-stage toluene desalting tower and 20. an outlet flow regulating valve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in figure 1, the continuous water washing and dehydrating device for the alcoholic toluene comprises a water washing delayer 6, wherein a liquid inlet of the water washing delayer 6 is communicated with a liquid outlet pipeline of a premixer 4, an inlet flow control valve 3 is arranged on a liquid inlet of the premixer 4, and an inlet side of the inlet flow control valve 3 is respectively communicated with a toluene mixture feeding pipeline 1 and a water feeding pipeline 2. The bottom of washing delayer 6 is equipped with a plurality of alcohol separation export 5, and the top side of washing delayer 6 is connected aqueous toluene output pipeline I9 and the end of aqueous toluene output pipeline I9 and vertical toluene extractor 11 intercommunication. The upper part of the vertical toluene extractor 11 is additionally connected with a water inlet pipeline 10, the side of the top part of the vertical toluene extractor 11 is connected with a hydrous toluene output pipeline II 14, and the tail end of the hydrous toluene output pipeline II 14 is communicated with a horizontal toluene extraction delaminator 15. The bottom of the horizontal toluene extraction delayer 15 is provided with a plurality of water separation outlets 18, the top side of the horizontal toluene extraction delayer 15 is connected with a toluene output pipeline 17, and the tail end of the toluene output pipeline 17 is connected with a third-stage demethylation benzene salt tower 19. And an outlet flow regulating valve 20 interlocked with the inlet flow control valve 3 is arranged on an anhydrous toluene discharging pipeline of the third-stage demethylation benzene salt tower 19.
In this embodiment, each alcohol separation outlet 5 at the bottom of the water washing delayer 6 is collected in the same alcohol separation collection pipeline 8 by a pipeline, and the top of the water washing delayer 6 is provided with a steam output pipeline I7 and the tail end of the steam output pipeline I7 is communicated with the alcohol separation collection pipeline 8. The vertical toluene extraction device 11 is internally provided with a longitudinally arranged stirring mechanism, the bottom of the vertical toluene extraction device 11 is provided with a water layer discharge pipeline 12, the top of the vertical toluene extraction device 11 is provided with a steam output pipeline II 13, the top of the horizontal toluene extraction delaminator 15 is provided with a steam output pipeline III 16, and each water separation outlet 18, the steam output pipeline II 13 and the steam output pipeline III 16 at the bottom of the horizontal toluene extraction delaminator 15 are communicated with the water layer discharge pipeline 12. The tertiary demethanizer column 19 consists of three demethanizer columns connected in series to each other for concentrating toluene.
During operation, the inlet flow regulating valve 3 is adjusted in advance, the toluene mixture and water respectively enter the premixer 4 through different feeding pipelines and according to the proportion, then enter the water washing delayer 6 through the premixer 4, are separated through water washing and toluene and alcohol, then are separated through the vertical toluene extractor 11 and the horizontal toluene extraction delayer 15, and finally are concentrated into anhydrous toluene through the three-stage toluene removing salt tower 19 and are output through a toluene output pipeline, and the output quantity of the anhydrous toluene is controlled by the outlet flow regulating valve 20.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the utility model are also within the scope of the present patent.
Claims (4)
1. The utility model provides an contain continuous washing dewatering equipment of alcoholic toluene, includes washing delayer, its characterized in that: the liquid inlet of the water washing delayer is communicated with a liquid outlet pipeline of the premixer, the liquid inlet of the premixer is provided with an inlet flow control valve, the inlet side of the inlet flow control valve is respectively communicated with a toluene mixture feed pipeline and a water feed pipeline, the bottom of the water washing delayer is provided with a plurality of alcohol separation outlets, the side of the top of the water washing delayer is connected with a hydrous toluene output pipeline I, the tail end of the hydrous toluene output pipeline I is communicated with the vertical toluene extractor, the upper part of the vertical toluene extractor is additionally connected with a water inlet pipeline, the side of the top of the vertical toluene extractor is connected with a hydrous toluene output pipeline II, the tail end of the hydrous toluene output pipeline II is communicated with the horizontal toluene extraction delayer, the bottom of the horizontal toluene extraction delayer is provided with a plurality of water separation outlets, the side of the top of the horizontal toluene extraction delayer is connected with a toluene output pipeline, the tail end of the toluene output pipeline is connected with a toluene salt removing tower, and an outlet flow regulating valve interlocked with the inlet flow control valve is arranged on an anhydrous toluene discharging pipeline of the third-stage demethylated benzenoid salt tower.
2. The continuous water washing dehydration equipment for alcoholic toluene according to claim 1, characterized in that: each mellow wine separation export of washing delayer bottom utilizes the pipeline to converge in same layering mellow wine collection pipeline, washing delayer top is equipped with end and the layering mellow wine collection pipeline intercommunication of vapor output line I and vapor output line I.
3. The continuous water washing dehydration equipment for alcoholic toluene according to claim 1, characterized in that: the vertical toluene extraction device is internally provided with a longitudinally arranged stirring mechanism, the bottom of the vertical toluene extraction device is provided with a water layer discharge pipeline, the top of the vertical toluene extraction device is provided with a steam output pipeline II, the top of the horizontal toluene extraction delaminator is provided with a steam output pipeline III, and each water separation outlet, the steam output pipeline II and the steam output pipeline III at the bottom of the horizontal toluene extraction delaminator are communicated with the water layer discharge pipeline.
4. The continuous water washing dehydration equipment for alcoholic toluene according to claim 1, characterized in that: the third demethanizer is composed of three series connected demethanizers for concentrating toluene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123010178.9U CN216630771U (en) | 2021-12-02 | 2021-12-02 | Continuous water washing and dewatering equipment for toluene containing alcohol |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123010178.9U CN216630771U (en) | 2021-12-02 | 2021-12-02 | Continuous water washing and dewatering equipment for toluene containing alcohol |
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| CN216630771U true CN216630771U (en) | 2022-05-31 |
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| CN202123010178.9U Active CN216630771U (en) | 2021-12-02 | 2021-12-02 | Continuous water washing and dewatering equipment for toluene containing alcohol |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114735879A (en) * | 2022-06-09 | 2022-07-12 | 北京惠宇乐邦环保科技有限公司 | Method for recovering propionetrione and sodium chloride from clethodim decarboxylation wastewater |
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2021
- 2021-12-02 CN CN202123010178.9U patent/CN216630771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114735879A (en) * | 2022-06-09 | 2022-07-12 | 北京惠宇乐邦环保科技有限公司 | Method for recovering propionetrione and sodium chloride from clethodim decarboxylation wastewater |
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