CN213652174U - Waste liquid recovery processing device in propionyl triketone production process - Google Patents
Waste liquid recovery processing device in propionyl triketone production process Download PDFInfo
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- CN213652174U CN213652174U CN202022721266.9U CN202022721266U CN213652174U CN 213652174 U CN213652174 U CN 213652174U CN 202022721266 U CN202022721266 U CN 202022721266U CN 213652174 U CN213652174 U CN 213652174U
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Abstract
The utility model relates to a propionyl triketone production technical field, concretely relates to waste liquid recovery processing apparatus in propionyl triketone production process. The waste liquid recovery treatment device in the production process of the propionyl trione comprises a liquid separation tank, a filter tank, a water phase rectifying tower and an oil phase rectifying tower; the water phase discharge of the liquid separation tank is introduced into a filter tank, the filtrate of the filter tank is introduced into a water phase rectifying tower, the lower discharge port of the water phase rectifying tower is connected with a residual liquid pipeline, and the upper discharge port of the water phase rectifying tower is connected with a recycled water storage tank; and an oil phase discharge of the liquid separation tank is introduced into an oil phase rectifying tower, a discharge port below the oil phase rectifying tower is connected with a tar pipeline, a discharge port above the oil phase rectifying tower is connected with a recovered dichloromethane storage tank, and the recovered dichloromethane storage tank is connected with the liquid separation tank. The utility model discloses a waste liquid recovery processing device in propionyl triketone production process, simple structure, convenient operation, the treatment effeciency is high, and the expense is low.
Description
Technical Field
The utility model relates to a propionyl triketone production technical field, concretely relates to waste liquid recovery processing apparatus in propionyl triketone production process.
Background
Propionyl trione, which is called 5- (2-ethyl thiopropyl) -2-propionyl-3-hydroxy-2-cyclohexene-1-ketone, is yellow or light brown red liquid and is mainly used as a pesticide intermediate. The structural formula is as follows:
1, 4-dimethylamino pyridine is a novel efficient catalyst widely applied to chemical synthesis, in the process of synthesizing propionyl trione by using 1, 4-dimethylamino pyridine, the generated waste liquid contains partial tar and the catalyst 1, 4-dimethylamino pyridine, and the like, if the waste water is directly discharged into a sewage pipeline, the water treatment pressure of a later stage sewage treatment station is large; and the waste liquid contains a part of raw materials, which causes the waste of raw materials.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waste liquid recovery processing device in propionyl triketone production process, simple structure, convenient operation increases water treatment facilities on the existing equipment basis, mainly adopts the mode of branch liquid, fully draws the raw materials in the waste liquid, carries out recycle with the water of isolating moreover, and the treatment effeciency is high, and the expense is low.
The utility model relates to a waste liquid recovery and treatment device in the production process of propionyl trione, which comprises a liquid separating tank, a filtering tank, a water phase rectifying tower and an oil phase rectifying tower; the water phase discharge of the liquid separation tank is introduced into a filter tank, the filtrate of the filter tank is introduced into a water phase rectifying tower, the lower discharge port of the water phase rectifying tower is connected with a residual liquid pipeline, and the upper discharge port of the water phase rectifying tower is connected with a recycled water storage tank; and an oil phase discharge of the liquid separation tank is introduced into an oil phase rectifying tower, a discharge port below the oil phase rectifying tower is connected with a tar pipeline, a discharge port above the oil phase rectifying tower is connected with a recovered dichloromethane storage tank, and the recovered dichloromethane storage tank is connected with the liquid separation tank.
The liquid separating tank is connected with a methylene dichloride liquid supplementing pipeline.
The filtering tank is connected with an alkaline liquor pipeline.
A recovery water condenser is arranged on the pipeline between the water phase rectifying tower and the recovery water storage tank.
And a dichloromethane recovery condenser is arranged on a pipeline between the oil phase rectifying tower and the dichloromethane recovery storage tank.
The working process of the waste liquid recovery and treatment device in the propionyl trione production process is as follows:
adding waste liquid in the propionyl trione production process into a liquid separation tank, simultaneously adding a certain amount of dichloromethane, extracting tar in the waste liquid by using dichloromethane, wherein an organic phase enters an oil phase rectifying tower for rectification, the dichloromethane and the tar are separated, the separated tar is recycled through a tar pipeline, the separated dichloromethane enters a recycled dichloromethane storage tank after being cooled by a recycled dichloromethane condenser, then the dichloromethane is introduced into the liquid separation tank through a recycled dichloromethane pump for recycling, and the insufficient dichloromethane is supplemented through a dichloromethane liquid supplementing pipeline; introducing the water phase into a filter tank, simultaneously adding a certain amount of alkali liquor, filtering out the catalyst 1, 4-dimethylaminopyridine, then introducing the filtrate into a water phase rectifying tower for rectification, cooling the water vapor by a reclaimed water condenser, then introducing the cooled water vapor into a reclaimed water storage tank for reuse, and introducing a small amount of residual liquid into a sewage treatment station for treatment.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a waste liquid recovery processing device in propionyl triketone production process, simple structure, convenient operation increases water treatment facilities on the existing equipment basis, mainly adopts the mode of branch liquid, fully draws the raw materials in the waste liquid, carries out recycle with the water of isolating moreover, and the treatment effeciency is high, and the expense is low.
Drawings
FIG. 1 is a schematic structural view of a waste liquid recovery and treatment device in the production process of propionyl trione;
in the figure: 1. a waste liquid feeding pipe; 2. liquid separating tank; 3. a dichloromethane liquid supplementing pipeline; 4. a filter tank; 5. an alkaline liquor line; 6. a water phase rectifying tower; 7. a recovery water condenser; 8. a reclaimed water storage tank; 9. a raffinate line; 10. a dichloromethane recovery condenser; 11. a tar pipeline; 12. an oil phase rectifying tower; 13. and (5) recovering the dichloromethane storage tank.
Detailed Description
Example 1
As shown in figure 1, the waste liquid recovery and treatment device in the production process of propionyltrione of the utility model comprises a liquid separation tank 2, a filtration tank 4, a water phase rectifying tower 6 and an oil phase rectifying tower 12; the water phase discharge of the liquid separation tank 2 is introduced into a filter tank 4, the filtrate of the filter tank 4 is introduced into a water phase rectifying tower 6, the lower discharge port of the water phase rectifying tower 6 is connected with a residual liquid pipeline 9, and the upper discharge port is connected with a recovered water storage tank 8; an oil phase discharge of the liquid separation tank 2 is introduced into an oil phase rectifying tower 12, a lower discharge port of the oil phase rectifying tower 12 is connected with a tar pipeline 11, an upper discharge port is connected with a recovered dichloromethane storage tank 13, and the recovered dichloromethane storage tank 13 is connected with the liquid separation tank 2.
The liquid separation tank 2 is connected with a methylene dichloride liquid supplementing pipeline 3.
The filtering tank 4 is connected with an alkaline liquor pipeline 5.
A reclaimed water condenser 7 is arranged on a pipeline between the water phase rectifying tower 6 and the reclaimed water storage tank 8.
A methylene dichloride recovery condenser 10 is arranged on a pipeline between the oil phase rectifying tower 12 and the methylene dichloride recovery storage tank 13.
The working process of the waste liquid recovery and treatment device in the propionyl trione production process is as follows:
adding waste liquid in the production process of propionyl trione into a liquid separation tank 2, simultaneously adding a certain amount of dichloromethane, extracting tar in the waste liquid by using dichloromethane, wherein an organic phase enters an oil phase rectifying tower 12 for rectification, the dichloromethane and the tar are separated, the separated tar is recycled through a tar pipeline 11, the separated dichloromethane enters a recycled dichloromethane storage tank 13 after being cooled by a recycled dichloromethane condenser 10, and then is introduced into the liquid separation tank 2 through a recycled dichloromethane pump for recycling, and insufficient dichloromethane is supplemented through a dichloromethane liquid supplementing pipeline 3; the water phase is introduced into a filtering tank 4, a certain amount of alkali liquor is added at the same time, the catalyst 1, 4-dimethylaminopyridine is filtered out, then the filtrate enters a water phase rectifying tower 6 for rectification, the water vapor enters a recovered water storage tank 8 for reuse after being cooled by a recovered water condenser 7, and a small amount of residual liquid is introduced into a sewage treatment station for treatment.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a waste liquid recovery processing device in propionyl triketone production process which characterized in that: comprises a liquid separating tank (2), a filtering tank (4), a water phase rectifying tower (6) and an oil phase rectifying tower (12); the water phase discharge of the liquid separation tank (2) is introduced into a filtering tank (4), the filtrate of the filtering tank (4) is introduced into a water phase rectifying tower (6), the lower discharge port of the water phase rectifying tower (6) is connected with a residual liquid pipeline (9), and the upper discharge port is connected with a recovered water storage tank (8); an oil phase discharge of the liquid separation tank (2) is introduced into an oil phase rectifying tower (12), a discharge port below the oil phase rectifying tower (12) is connected with a tar pipeline (11), a discharge port above the oil phase rectifying tower is connected with a recovered dichloromethane storage tank (13), and the recovered dichloromethane storage tank (13) is connected with the liquid separation tank (2).
2. The apparatus for recovering and treating waste liquid in the production process of propionyltrione according to claim 1, wherein: the liquid separating tank (2) is connected with a methylene dichloride liquid supplementing pipeline (3).
3. The apparatus for recovering and treating waste liquid in the production process of propionyltrione according to claim 1, wherein: the filter tank (4) is connected with an alkaline liquid pipeline (5).
4. The apparatus for recovering and treating waste liquid in the production process of propionyltrione according to claim 1, wherein: a recovery water condenser (7) is arranged on a pipeline between the water phase rectifying tower (6) and the recovery water storage tank (8).
5. The apparatus for recovering and treating waste liquid in the production process of propionyltrione according to claim 1, wherein: a recycled dichloromethane condenser (10) is arranged on a pipeline between the oil phase rectifying tower (12) and the recycled dichloromethane storage tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022721266.9U CN213652174U (en) | 2020-11-20 | 2020-11-20 | Waste liquid recovery processing device in propionyl triketone production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022721266.9U CN213652174U (en) | 2020-11-20 | 2020-11-20 | Waste liquid recovery processing device in propionyl triketone production process |
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| Publication Number | Publication Date |
|---|---|
| CN213652174U true CN213652174U (en) | 2021-07-09 |
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| CN202022721266.9U Active CN213652174U (en) | 2020-11-20 | 2020-11-20 | Waste liquid recovery processing device in propionyl triketone production process |
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