CN206027129U - High yield distillation system of propane diamine production line - Google Patents
High yield distillation system of propane diamine production line Download PDFInfo
- Publication number
- CN206027129U CN206027129U CN201620694031.6U CN201620694031U CN206027129U CN 206027129 U CN206027129 U CN 206027129U CN 201620694031 U CN201620694031 U CN 201620694031U CN 206027129 U CN206027129 U CN 206027129U
- Authority
- CN
- China
- Prior art keywords
- rectification
- fore
- running
- still
- propane diamine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a chemical industry field discloses a high yield distillation system of propane diamine production line, including fore -running unit and rectification unit, the fore -running unit including the wash still, primary distillation tower, fore -running condenser, the fore -running that connect gradually distil off jar, the light component receiving slit, be equipped with propane diamine crude inlet pipe on the wash still, the wash still top is located to the primary distillation tower, rectification unit is groove and finished product conveying pump in the middle of jar, product receiving slit, product are distilled off in the rectifying still, rectifying column, rectification condenser, the rectification that connect gradually, the wash still top be equipped with the pipeline with rectifying still top feed port connects. The utility model discloses a high yield distillation system of propane diamine production line, through second level distillation, work efficiency is high, and product purity is high, the yield is high.
Description
Technical field
This utility model is related to chemical field, more particularly to a kind of Distallation systm in high yield of propane diamine production line.
Background technology
It is in the production process of propane diamine, after propane diamine crude product is obtained, miscellaneous containing many light components in propane diamine crude product
Matter.Therefore need to continue to distill propane diamine crude product, remove light component material, so as to the propane diamine that different specific weight is obtained is produced
Product.
Existing propane diamine Distallation systm, thorough or propane diamine product yield is not relatively low to there is fractional distillation, the former
The purity and quality of propane diamine product, the latter can be affected to cause wastage of material, the problem that cost increases.
Therefore, need badly and design a set of fractionating efficiency height, product purity height, the propane diamine crude product Distallation systm of high income.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of distillation system in high yield of propane diamine production line
System.The Distallation systm in high yield of propane diamine production line of the present utility model, through secondary distillation, high working efficiency, and product is pure
Degree is high, high income.
Concrete technical scheme of the present utility model is：A kind of Distallation systm in high yield of propane diamine production line, including fore-running
Unit and rectification cell.
The fore-running unit includes that the wash still being sequentially connected, primary distillation tower, fore-running condenser, two grades of plate and frames of fore-running are condensed
Device, fore-running distillate tank, light component receiving slit；The wash still is provided with propane diamine crude product feed pipe, and the primary distillation tower is located at just
Evaporate at the top of kettle；Rectifying still that the rectification cell includes being sequentially connected, rectifying column, rectifying condenser, two grades of plate and frames of rectification are cold
Condenser, rectification distillate tank, product receiving slit, product medial launder and finished product delivery pump；Pipeline and institute is provided with the top of the wash still
State the connection of rectifying still its top feed mouth.The rectification is distillated；The vacuum pump set includes connecting successively
Vacuum buffer tank, water stream injection pump and the circulating water pool for connecing；The vacuum buffer tank distillates kettle with rectification and is connected, the water stream injection pump
It is connected by circulating pump and pipeline between circulating water pool.
Preferably, the kettle of the wash still and rectifying still is respectively equipped with circulation water inlet pipe, recycling outlet and steam
Pipe.
Preferably, is distillated in the fore-running be provided between tank and primary distillation tower fore-running reflux pipe；The fore-running reflux pipe
It is provided with the fore-running reflux pump of parallel connection.
Preferably, is distillated in the rectification be provided between tank and rectifying column rectification reflux pipe；The rectification reflux pipe
It is provided with the rectification reflux pump of parallel connection.
Preferably, the bottom of the rectifying still is connected with rectification kettle liquid collecting tank.
Preferably, the light component receiving slit is multiple and in parallel.
Preferably, the product receiving slit is multiple and in parallel.
Preferably, being provided with finished product circulation line between the product medial launder and finished product delivery pump.
Operation principle of the present utility model is：Propane diamine crude product enters wash still from propane diamine crude product feed pipe, in fore-running
In kettle, the relatively low light component material of boiling point is distillated, after the distillation of primary distillation tower, into fore-running condenser, in condenser
Under condensation, gas liquefaction, under the running of fore-running reflux pump, through fore-running reflux pipe, a part is back to weight in rectifying column
Rectification is carried out newly, by the heavy constituent Material recirculation of part doping into wash still, another part is entered in light component receiving slit.Just
The liquid not gasified in evaporating kettle, is transferred to rectifying still, and in rectifying still, propane diamine gasification rises to rectifying column, cold into rectification
Condenser, under the condensation of condenser, gas liquefaction, under the running of rectification reflux pump, through rectification reflux pipe, by part gas
The non-targeted Material recirculation of change into rectifying still, another part propane diamine product successively through product receiving slit, product medial launder,
Tinning is conveyed by finished product delivery pump.And for the rectification kettle liquid not gasified in rectifying still, the kettle liquid that is distillated collecting tank is reclaimed.
This utility model carries out the secondary distillation of fore-running and rectification to propane diamine crude product, and product purity can be substantially improved.
Wherein during fore-running, light component material is distillated, and which is recycled, make full use of the energy.In distillation process
In, the propane diamine for distillating is collected, and is provided with the product receiving slit groove of multiple parallel connections, by rectifying still and rectifying column
Temperature control, be respectively used to receive different boiling propane diamine product.And the rectification liquid after rectification is reclaimed.
Vacuum pump set distillates tank and carries out evacuation to rectifying still, on the one hand can improve distillation efficiency, on the one hand by right
The regulation of vacuum, can obtain the propane diamine product type of different boiling, be received in different product dump tanks.
It is compared with the prior art, the beneficial effects of the utility model are：The high receipts of propane diamine production line of the present utility model
Rate Distallation systm, through secondary distillation, high working efficiency, and product purity are high, high income.
Description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
Reference is：Wash still 1, primary distillation tower 2, fore-running condenser 3, fore-running distillate tank 5, light component receiving slit 6, the third two
Amine crude product feed pipe 7, rectifying still 8, rectifying column 9, rectifying condenser 10, rectification are distillated in the middle of tank 12, product receiving slit 13, product
Groove 14, finished product delivery pump 15, circulation water inlet pipe 16, recycling outlet 17, steam pipe 18, the backflow of fore-running reflux pipe 19, fore-running
Pump 20, rectification reflux pipe 21, rectification reflux pump 22, rectification kettle liquid collecting tank 23, finished product circulation line 24, vacuum buffer tank
25th, water stream injection pump 26, circulating water pool 27, circulating pump 28.
Specific embodiment
With reference to embodiment, the utility model will be further described.In this utility model involved device,
Connection structure and method, if without refering in particular to, be device well known in the art, connection structure and method.
Embodiment 1
As shown in Figure 1：A kind of Distallation systm in high yield of propane diamine production line, including fore-running unit and rectification cell.
The fore-running unit includes that the wash still 1 being sequentially connected, primary distillation tower 2, fore-running condenser 3, fore-running distillate tank 5, two
Individual light component receiving slit 6 in parallel.The wash still is provided with propane diamine crude product feed pipe 7, and the primary distillation tower is located at wash still
Top.The fore-running is distillated；The fore-running reflux pipe is provided with parallel connection
Fore-running reflux pump 20.
The rectification cell include the rectifying still 8 being sequentially connected, rectifying column 9, rectifying condenser 10, rectification distillate tank 12,
Four product receiving slits 13 in parallel, product medial launder 14 and finished product delivery pumps 15.Pipeline and institute is provided with the top of the wash still
State the connection of rectifying still its top feed mouth.The rectification is distillated；The rectification
Reflux pipe is provided with the rectification reflux pump 22 of parallel connection.The bottom of the rectifying still is connected with rectification kettle liquid collecting tank 23.It is described
Finished product circulation line 24 is provided between product medial launder and finished product delivery pump.
The rectification is distillated；The vacuum pump set includes the vacuum buffer tank being sequentially connected
25th, water stream injection pump 26 and circulating water pool 27；The vacuum buffer tank distillates kettle with rectification and is connected, the water stream injection pump and recirculated water
Pass through circulating pump 28 between pond and pipeline connects.
Additionally, the kettle of the wash still and rectifying still is respectively equipped with circulation water inlet pipe 16, recycling outlet 17 and steam
Pipe 18.
Embodiment 2
A kind of Distallation systm in high yield of propane diamine production line, including fore-running unit and rectification cell.
The fore-running unit includes that the wash still 1 being sequentially connected, primary distillation tower 2, fore-running condenser 3, fore-running distillate tank 5, four
Individual light component receiving slit 6 in parallel.The wash still is provided with propane diamine crude product feed pipe 7, and the primary distillation tower is located at wash still
Top.The fore-running is distillated；The fore-running reflux pipe is provided with parallel connection
Fore-running reflux pump 20.
The rectification cell include the rectifying still 8 being sequentially connected, rectifying column 9, rectifying condenser 10, rectification distillate tank 12,
Six product receiving slits 13 in parallel, product medial launder 14 and finished product delivery pumps 15.Pipeline and institute is provided with the top of the wash still
State the connection of rectifying still its top feed mouth.The rectification is distillated；The rectification
Reflux pipe is provided with the rectification reflux pump 22 of parallel connection.The bottom of the rectifying still is connected with rectification kettle liquid collecting tank 23.It is described
Finished product circulation line 24 is provided between product medial launder and finished product delivery pump.
Wherein, the kettle of the wash still and rectifying still is respectively equipped with circulation water inlet pipe 16, recycling outlet 17 and steam
Pipe 18.
The above, is only preferred embodiment of the present utility model, not this utility model is imposed any restrictions, every
Any simple modification, change and equivalent structure transformation above example made according to this utility model technical spirit, still
Belong to the protection domain of technical solutions of the utility model.
Claims (1)
1. a kind of Distallation systm in high yield of propane diamine production line, it is characterised in that：Including fore-running unit and rectification cell；It is described
Fore-running unit includes that the wash still (1) being sequentially connected, primary distillation tower (2), fore-running condenser (3), fore-running distillate tank (5), light component
Receiving slit (6)；The wash still is provided with propane diamine crude product feed pipe (7), and the primary distillation tower is at the top of wash still；The essence
Evaporating unit includes that the rectifying still (8) being sequentially connected, rectifying column (9), rectifying condenser (10), rectification distillate tank (12), product and connects
Receive groove (13), product medial launder (14) and finished product delivery pump (15)；Pipeline is provided with the top of the wash still with the rectifying still top
Portion's charging aperture connection；The rectification is distillated；The vacuum pump set includes that the vacuum being sequentially connected is delayed
Rush tank (25), water stream injection pump (26) and circulating water pool (27)；The vacuum buffer tank distillates kettle with rectification and is connected, the water injection
Pass through circulating pump (28) between pump and circulating water pool and pipeline connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620694031.6U CN206027129U (en) | 2016-06-28 | 2016-06-28 | High yield distillation system of propane diamine production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620694031.6U CN206027129U (en) | 2016-06-28 | 2016-06-28 | High yield distillation system of propane diamine production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206027129U true CN206027129U (en) | 2017-03-22 |
Family
ID=58310318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620694031.6U Active CN206027129U (en) | 2016-06-28 | 2016-06-28 | High yield distillation system of propane diamine production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206027129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157860A (en) * | 2018-09-17 | 2019-01-08 | 大丰跃龙化学有限公司 | A kind of negative pressure rectifying still condensing reflux structure |
| US20210396724A1 (en) * | 2020-06-23 | 2021-12-23 | Institute Of Biological Resources, Jiangxi Academy Of Sciences | Apparatus and method for producing policosanol having specific chromatographic fingerprint |
-
2016
- 2016-06-28 CN CN201620694031.6U patent/CN206027129U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157860A (en) * | 2018-09-17 | 2019-01-08 | 大丰跃龙化学有限公司 | A kind of negative pressure rectifying still condensing reflux structure |
| US20210396724A1 (en) * | 2020-06-23 | 2021-12-23 | Institute Of Biological Resources, Jiangxi Academy Of Sciences | Apparatus and method for producing policosanol having specific chromatographic fingerprint |
| US12000814B2 (en) * | 2020-06-23 | 2024-06-04 | Institute Of Biological Resources, Jiangxi Academy Of Sciences | Apparatus and method for producing policosanol having specific chromatographic fingerprint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102190559B (en) | Method and device for refining methanol by using divided wall distillation column | |
| CN101153257B (en) | Five-tower two-grade difference pressure distillation equipment for senior edible ethanol and technique thereof | |
| CN100525874C (en) | Six-column differential-pressure distillation device for extra edible alcohol and process therefor | |
| CN101580457A (en) | Device and process for preparing absolute ethyl alcohol by taking fermented liquor as the raw material | |
| CN109369419A (en) | The process and device of triethylamine are separated in a kind of industrial wastes | |
| CN103288606A (en) | Method for recycling methylal in glyphosate wastewater | |
| CN206027129U (en) | High yield distillation system of propane diamine production line | |
| CN105344124A (en) | Double-rectifying-tower four-effect superior alcohol distillation method and device for preparing alcohol | |
| CN203355328U (en) | Dimethyl acetamide rectification system | |
| CN106582053B (en) | The process and device of the tower methanol distillation column by-product ethyl alcohol of partition | |
| CN206027128U (en) | Propane diamine crude second level distillation system | |
| CN204723786U (en) | Three six sections, tower differential distillation energy conserving systems | |
| CN113559536B (en) | System and method for recycling methanol from waste organic solvent | |
| CN206045453U (en) | A kind of efficient Distallation systm of propane diamine crude product | |
| CN210302465U (en) | Double-tower continuous feeding rectification system | |
| CN206404352U (en) | The device of the tower methanol distillation column by-product ethanol of dividing plate | |
| CN106316793A (en) | Alcohol preparing device and method based on the double rectification column and six-column and four-effect distillation | |
| CN206986063U (en) | A kind of system that refined methanol and absolute ethyl alcohol are extracted from crude carbinol | |
| CN102443408B (en) | Pressure reduction distillation process method | |
| CN202173793U (en) | Alcohol prefractionator reboiling system using centrifugal clear liquid as cyclic medium | |
| CN206793073U (en) | A kind of medicine intermediate distillation system | |
| CN209019935U (en) | A kind of efficient chemical industry rectifying separator | |
| CN217297348U (en) | Organic waste liquid separation and purification device | |
| CN106318435A (en) | Normal pressure distillation method | |
| CN219922076U (en) | Circulation distillation plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |