CN207347433U - 2- chlorine apellagrin by-product triethylamine separating-purifying devices - Google Patents
2- chlorine apellagrin by-product triethylamine separating-purifying devices Download PDFInfo
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- CN207347433U CN207347433U CN201721343496.8U CN201721343496U CN207347433U CN 207347433 U CN207347433 U CN 207347433U CN 201721343496 U CN201721343496 U CN 201721343496U CN 207347433 U CN207347433 U CN 207347433U
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- triethylamine
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- crude product
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Abstract
A kind of 2 chlorine apellagrin by-product triethylamine separating-purifying devices, distillation tower reboiler is connected with destilling tower lower part, overhead condenser is connected with destilling tower top exit, overhead condenser is connected with triethylamine return tank, triethylamine return tank lower floor's liquid outlet is connected with destilling tower top, return tank upper strata liquid outlet is connected with triethylamine crude product pans, triethylamine crude product pans are connected with rectifying column inlet, rectifying tower reboiler is connected with rectifier bottoms, condenser at the top of rectifying column with being connected, lime set layering tank entrance is connected with condenser, the outlet of lime set layering tank is connected with triethylamine pans, triethylamine finished pot is connected with rectifier bottoms liquid outlet.The utility model has preferable separating effect and higher separative efficiency, can be met the triethylamine of recycled requirement, save cost.
Description
Technical field
It the utility model is related to chemical products production technical field, and in particular to a kind of 2- chlorine apellagrins by-product triethylamine separation
Purifying plant.
Background technology
Triethylamine, molecular formula：C6H15N, molecular weight 101.19, there is the colourless transparent liquid of strong ammonia odor, melts
- 114.8 DEG C of point, relative density (water=1)：0.726, boiling point (DEG C)：89.5, water is slightly soluble in, it is organic molten to be dissolved in ethanol, ether etc.
Agent.Triethylamine is used as alkali, solvent, catalyst, acid binding agent etc. in synthesis.
2- chlorine apellagrins are raw material by nicotinonitrile, and qualification is finally obtained through peroxidating, chlorination, hydrolysis, refined, drying
Finished product.Containing by-product 2- chloro-nicotinamides, phosphate, triethylamine in the waste water that wherein chlorination workshop section produces etc., how by triethylamine
The separating-purifying from waste water, obtains the triethylamine of reusable edible, is the emphasis of this subject study.
Waste water containing triethylamine can not obtain the triethylamine for meeting production requirement with direct extractive distillation method.
Utility model content
The utility model provides a kind of 2- chlorine apellagrins by-product triethylamine separating-purifying device, to solve prior art presence
Conventional distillation method recycling triethylamine purity it is low and the problem of can not recycle.
Technical solution is used by the utility model solves its technical problem：
A kind of 2- chlorine apellagrins by-product triethylamine separating-purifying device, by destilling tower, distillation tower reboiler, overhead condenser,
In triethylamine return tank, triethylamine crude product pans, rectifying column, rectifying tower reboiler, condenser, lime set layering tank, triethylamine
Between tank and triethylamine finished pot composition, distillation tower reboiler is connected with destilling tower lower part, and overhead condenser and destilling tower top go out
Mouth connection, overhead condenser are connected with triethylamine return tank, and triethylamine return tank lower floor's liquid outlet is connected with destilling tower top, are returned
Stream tank upper strata liquid outlet is connected with triethylamine crude product pans, and triethylamine crude product pans are connected with rectifying column inlet, rectifying
Tower reboiler is connected with rectifier bottoms, and with being connected at the top of rectifying column, lime set layering tank entrance is connected condenser with condenser, is coagulated
The outlet of liquid layering tank is connected with triethylamine pans, and triethylamine finished pot is connected with lime set layering pot bottom liquid outlet.
The operation principle of the utility model is：Enter destilling tower, light component containing triethylamine after waste water containing triethylamine is neutralized
It is distilled out of, triethylamine return tank is entered after condensation, upper strata is the triethylamine crude product of preliminary purification, into crude product pans.Three second
Amine crude product enters rectifying column, and water is steamed with triethylamine azeotropic, separates water layer by condenser, triethylamine, which returns to rectifying column, to be continued to follow
Ring distills, until triethylamine is separated from water, obtains the triethylamine of high-purity.
The utility model device separates impurity by destilling tower and obtains crude product, and rectifying column purifies to obtain sterling, has preferable
Separating effect and higher separative efficiency, the triethylamine of recycled requirement can be met, saved cost.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the connection diagram of the utility model device.
1 destilling tower in figure, 2 distillation tower reboilers, 3 overhead condensers, 4 triethylamine return tanks, among 5 triethylamine crude products
Tank, 6 rectifying columns, 7 rectifying tower reboilers, 8 condensers, 9 lime sets layering tank, 10 triethylamine pans, 11 triethylamine finished pots.
Embodiment
As shown in the figure, a kind of 2- chlorine apellagrins by-product triethylamine separating-purifying device, by destilling tower 1, distillation tower reboiler 2,
It is overhead condenser 3, triethylamine return tank 4, triethylamine crude product pans 5, rectifying column 6, rectifying tower reboiler 7, condenser 8, solidifying
Liquid layering tank 9, triethylamine pans 10 and triethylamine finished pot 11 form, and distillation tower reboiler 2 is connected with 1 lower part of destilling tower,
Overhead condenser 3 is connected with 1 top exit of destilling tower, and overhead condenser 3 is connected with triethylamine return tank 4, triethylamine return tank 4
Lower floor's liquid outlet is connected with 1 top of destilling tower, and 4 upper strata liquid outlet of return tank is connected with triethylamine crude product pans 5, and triethylamine is thick
Product pans 5 are connected with 6 inlet of rectifying column, and rectifying tower reboiler 7 is connected with 6 bottom of rectifying column, condenser 8 and rectifying column 6
Top connects, and lime set layering 9 entrance of tank is connected with condenser 8, and outlet is connected with triethylamine pans 10, triethylamine finished pot 11
It is connected with lime set layering 9 bottom liquid outlet of tank, constitutes a set of triethylamine distilation system, realize triethylamine recycling step
Improvement, solve the problems, such as chlorinated effluent recycling separation, reduce production cost.
The operation principle of the utility model is：Waste water containing triethylamine is neutralized into destilling tower is entered after alkalescence, containing triethylamine
Light component is distilled out of, and triethylamine return tank is entered after condensation, upper strata is the triethylamine crude product of preliminary purification, among crude product
Tank.Triethylamine crude product enters rectifying column, and water is steamed with triethylamine azeotropic, separates water layer by condenser, triethylamine returns to rectifying
Tower continues cycling through distillation, until triethylamine is separated from water, obtains the triethylamine of high-purity.The utility model device passes through distillation
Tower separation impurity obtains crude product, and rectifying column purifies to obtain sterling, has preferable separating effect and higher separative efficiency, can
The triethylamine of recycled requirement is met, has saved cost.
Claims (1)
- A kind of 1. 2- chlorine apellagrins by-product triethylamine separating-purifying device, it is characterized in that cold by destilling tower, distillation tower reboiler, tower top Condenser, triethylamine return tank, triethylamine crude product pans, rectifying column, rectifying tower reboiler, condenser, lime set layering tank, three second Amine pans and triethylamine finished pot composition, distillation tower reboiler are connected with destilling tower lower part, overhead condenser and distillation tower top Portion outlet connection, overhead condenser are connected with triethylamine return tank, and triethylamine return tank lower floor's liquid outlet connects with destilling tower top Connecing, return tank upper strata liquid outlet is connected with triethylamine crude product pans, and triethylamine crude product pans are connected with rectifying column inlet, Rectifying tower reboiler is connected with rectifier bottoms, and with being connected at the top of rectifying column, lime set layering tank entrance connects condenser with condenser Connect, the outlet of lime set layering tank is connected with triethylamine pans, and triethylamine finished pot is connected with lime set layering pot bottom liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343496.8U CN207347433U (en) | 2017-10-18 | 2017-10-18 | 2- chlorine apellagrin by-product triethylamine separating-purifying devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343496.8U CN207347433U (en) | 2017-10-18 | 2017-10-18 | 2- chlorine apellagrin by-product triethylamine separating-purifying devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207347433U true CN207347433U (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721343496.8U Active CN207347433U (en) | 2017-10-18 | 2017-10-18 | 2- chlorine apellagrin by-product triethylamine separating-purifying devices |
Country Status (1)
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| CN (1) | CN207347433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109369419A (en) * | 2018-12-03 | 2019-02-22 | 烟台国邦化工机械科技有限公司 | The process and device of triethylamine are separated in a kind of industrial wastes |
-
2017
- 2017-10-18 CN CN201721343496.8U patent/CN207347433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109369419A (en) * | 2018-12-03 | 2019-02-22 | 烟台国邦化工机械科技有限公司 | The process and device of triethylamine are separated in a kind of industrial wastes |
| CN109369419B (en) * | 2018-12-03 | 2024-01-19 | 烟台国邦化工机械科技有限公司 | Process method and device for separating triethylamine from industrial waste liquid |
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