CN201912933U - Rotating thin film interesterification flow reactor - Google Patents
Rotating thin film interesterification flow reactor Download PDFInfo
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- CN201912933U CN201912933U CN2010206167392U CN201020616739U CN201912933U CN 201912933 U CN201912933 U CN 201912933U CN 2010206167392 U CN2010206167392 U CN 2010206167392U CN 201020616739 U CN201020616739 U CN 201020616739U CN 201912933 U CN201912933 U CN 201912933U
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Abstract
The utility model discloses a flow reactor and particularly relates to an interesterification flow reactor. The rotating thin film interesterification flow reactor has the following structure that a discharge end of a raw material mixing kettle (8) is connected with a feed inlet (1) of a rotating thin film reactor (12); a discharge port (7) of the rotating thin film reactor (12) is connected with a product storage tank; an evaporation port (3) of the rotating thin film reactor (12) is connected with a condenser (14); and the condenser (14) is connected with a receiver (15). When materials are subjected to interesterification reaction in the reactor, generated low boiling point materials are rapidly removed from a reaction system, and thus, the rotating thin film interesterification flow reactor is beneficial for performing the reaction towards the product direction and the reaction speed and the reaction quality are greatly improved. The materials flow in the device, and thus, the rotating thin film interesterification flow reactor can be used for continuous charging production and is beneficial for large-scale production and the production efficiency is improved.
Description
Technical field
The utility model relates to a kind of flow reactor, specifically relates to a kind of ester exchange flow reactor, and it is applicable to that biodiesel, sucrose polyfatty acid esters, sucrose fatty ester etc. need carry out the continuity production of the product of ester exchange reaction.
Background technology
In the organic chemistry synthetic reaction, ester exchange reaction is ester and alcohol generate a new ester and a new alcohol under the catalysis of acid or alkali reaction, the i.e. alcoholysis reaction of ester.This reaction is reversible, has molecular balance, carries out towards desired direction for making reaction, needs product is taken away from reaction system.For example: can utilize the method for distillation that lower ester or the alcohol of boiling point that generates is steamed.Ester and acid also can be carried out ester exchange reaction under certain condition, generate a new ester and an eo-acid, equally also need lower ester or the acid of boiling point that generates is steamed.
The method that product is steamed reaction system is normally carried out in the reactor of distilling apparatus is installed, and this method belongs to intermittent produces, and the production cycle is long, and the raw material conversion ratio is desirable not to the utmost, is unfavorable for large-scale production, has influenced production efficiency and quality.
The utility model content
In order to solve the problems of the technologies described above, the utility model proposes a kind of rotating thin film ester exchange flow reactor, material carries out in the ester exchange reaction in the utility model reactor, the low-boiling point material that generates is removed reaction system rapidly, helps reaction and carries out to the product direction, improves reaction speed and reaction mass greatly, because material flows in device, the production that can continuity feeds intake helps large-scale production, enhances productivity.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of rotating thin film ester exchange flow reactor, its structure is as follows: the discharge end of raw material mixing kettle is connected with the charging aperture of rotating thin film reactor, the discharging opening of rotating thin film reactor is connected with the product storage tank, the evaporation mouth of rotating thin film reactor is connected with condenser, and condenser is connected with receiver.
The structure of described rotating thin film reactor is as follows: stack shell top is provided with charging aperture and evaporation mouth, the stack shell internal upper part is provided with the material distributor, the stack shell lower end is provided with discharging opening, and stack shell inside is reactor wall, and scraper plate is arranged on the reactor wall inboard and links to each other with the shaft of stack shell centre.
Described rotating thin film reactor is 1.
Described rotating thin film reactor is the 2-8 platform, is connected in series between each rotating thin film reactor, connects by gear pump between adjacent two rotating thin film reactors.
The discharge end of described raw material mixing kettle is connected with the charging aperture of pipeline with the rotating thin film reactor by gear pump.
Described pipeline is provided with material control valve and flowmeter.
Owing to adopt said structure, make that advantage of the present utility model and effect are as follows:
Material carries out in the ester exchange reaction in the utility model reactor, the low-boiling point material that generates is removed reaction system rapidly, helping reaction carries out to the product direction, improve reaction speed and reaction mass greatly, because material flows in device, the production that can continuity feeds intake helps large-scale production, enhances productivity.
Description of drawings
Fig. 1 is the structural representation of single-stage rotating thin film ester exchange flow reactor.
Fig. 2 is the structural representation of three grades of rotating thin film ester exchange flow reactors.
Fig. 3 is the structural representation of rotating thin film reactor among Fig. 1 and Fig. 2.
Among the figure, 1, charging aperture, 2, the material distributor, 3, evaporation mouthful, 4, scraper plate, 5, reactor wall, 6, shaft, 7, discharging opening, 8, the raw material mixing kettle, 9, gear pump, 10, the material control valve, 11, flowmeter, 12, rotating thin film reactor, 13, product storage tank, 14, condenser, 15, receiver.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in figures 1 and 3, the structure of the utility model rotating thin film ester exchange flow reactor is as follows: the discharge end of raw material mixing kettle 8 is connected with the charging aperture of pipeline with rotating thin film reactor 12 by gear pump 9, pipeline is provided with material control valve 10 and flowmeter 11, the discharging opening 7 of rotating thin film reactor 12 is connected with product storage tank 13, the evaporation mouth of rotating thin film reactor 12 is connected with condenser 14, and condenser 14 is connected with receiver 15.The structure of rotating thin film reactor 12 is as follows: stack shell top is provided with charging aperture 1 and evaporation mouth 3, the stack shell internal upper part is provided with material distributor 2, the stack shell lower end is provided with discharging opening 7, and stack shell inside is reactor wall 5, and scraper plate 4 is arranged on reactor 5 inwalls inboard and links to each other with the shaft 6 of stack shell centre.
Embodiment 2:
As shown in Figures 2 and 3, the structure of the utility model rotating thin film ester exchange flow reactor is as follows:
The discharge end of raw material mixing kettle 8 is connected with the charging aperture of pipeline with first rotating thin film reactor 12 by gear pump 9, pipeline is provided with material control valve 10 and flowmeter 11, rotating thin film reactor 12 is three, three rotating thin film reactors 12 are connected in series, connect with gear pump between the adjacent rotating thin film reactor, the discharging opening of the 3rd rotating thin film reactor is connected with product storage tank 13, the evaporation mouth of rotating thin film reactor 12 is connected with condenser 14, and condenser 14 is connected with receiver 15.The structure of rotating thin film reactor 12 is identical with embodiment 1.
Embodiment 3:
Embodiment 2 described rotating thin film reactors 12 are two, and two rotating thin film reactors 12 are connected in series, and connect by gear pump between two rotating thin film reactors 12, and other structure is with embodiment 2.
Embodiment 4:
Embodiment 2 described rotating thin film reactors 12 are the 4-8 platform, are connected in series between each rotating thin film reactor 12, connect by gear pump between adjacent two rotating thin film reactors 12, and other structure is with embodiment 2.
Operation principle of the present utility model is as follows: the utility model rotating thin film ester exchange flow reactor is made up of raw material mixing kettle, rotating thin film reactor, receiver, be characterized in utilizing a rotating thin film reactor to constitute single-stage or many multistage continuous reaction apparatus of rotating thin film reactor series connection formation, connect with gear pump between every rotating thin film reactor.Mix and preheating through the raw material mixing kettle, still unreacted material tangentially enters the commentaries on classics film reactor from entering the mouth, be distributed in reactor wall continuously equably through being installed in the material distributor that changes in the film reactor stack shell, inwall along evaporimeter under the stirring action of the scraper plate that rotates flows downward, form film simultaneously, material carries out ester exchange reaction in this process, the low boiling product that generates carries out falling film evaporation under the condition of vacuum, evaporated reaction system rapidly, esterification is carried out towards the product direction, improved reaction speed greatly, when material arrives reactor outlet, reached reaction end, and lower boiling product is separated effectively.The characteristics of this process are not to be recycled to mixing kettle after unreacted material reacts through reactor, the logistics direction is unidirectional, help serialization production, improve equipment capacity and production efficiency, and traditional batch (-type) esterification reaction equipment to be unreacted raw material and product be blended in the same system, have molecular balance, need the long period just can reach reaction end, owing to be batch production, output is restricted, and production efficiency is not high.
The material that the utility model carries out ester exchange thing reaction reacts in rotatable reactor and forces film forming by rotor segment, and the low boiling product of generation carries out falling film evaporation under vacuum condition, got rid of reaction system rapidly.Because the thin film evaporator heat transfer coefficient is big, evaporation intensity is high, the overcurrent time is short, operating flexibility is big, so be well suited for as the ester exchange device.
Claims (6)
1. rotating thin film ester exchange flow reactor, it is characterized in that structure is as follows: the discharge end of raw material mixing kettle (8) is connected with the charging aperture (1) of rotating thin film reactor (12), the discharging opening (7) of rotating thin film reactor (12) is connected with the product storage tank, the evaporation mouth (3) of rotating thin film reactor (12) is connected with condenser (14), and condenser (14) is connected with receiver (15).
2. rotating thin film ester exchange flow reactor according to claim 1, the structure that it is characterized in that described rotating thin film reactor (12) is as follows: stack shell top is provided with charging aperture (1) and evaporation mouthful (3), the stack shell internal upper part is provided with material distributor (2), the stack shell lower end is provided with discharging opening (7), stack shell inside is reactor wall (5), and scraper plate (4) is arranged on reactor (5) inwall inboard and links to each other with the shaft (6) of stack shell centre.
3. rotating thin film ester exchange flow reactor according to claim 1 and 2 is characterized in that described rotating thin film reactor (12) is 1.
4. rotating thin film ester exchange flow reactor according to claim 1 and 2, it is characterized in that described rotating thin film reactor (12) is the 2-8 platform, be connected in series between each rotating thin film reactor (12), connect by gear pump between adjacent two rotating thin film reactors (12).
5. rotating thin film ester exchange flow reactor according to claim 1 is characterized in that the discharge end of described raw material mixing kettle (8) is connected with the charging aperture of pipeline with rotating thin film reactor (12) by gear pump (9).
6. rotating thin film ester exchange flow reactor according to claim 5 is characterized in that described pipeline is provided with material control valve (10) and flowmeter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206167392U CN201912933U (en) | 2010-11-22 | 2010-11-22 | Rotating thin film interesterification flow reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206167392U CN201912933U (en) | 2010-11-22 | 2010-11-22 | Rotating thin film interesterification flow reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201912933U true CN201912933U (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206167392U Expired - Fee Related CN201912933U (en) | 2010-11-22 | 2010-11-22 | Rotating thin film interesterification flow reactor |
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| CN (1) | CN201912933U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533439A (en) * | 2011-10-28 | 2012-07-04 | 东北农业大学 | Detachable oil continuous degumming membrane reactor |
| CN103464075A (en) * | 2013-09-10 | 2013-12-25 | 张家港保税区万盛机械工业有限公司 | Polyester experiment device |
| CN111644115A (en) * | 2020-04-24 | 2020-09-11 | 江西宏柏新材料股份有限公司 | Scraper reactor and method for producing 3-octanoyl mercaptopropyltriethoxysilane by using same |
-
2010
- 2010-11-22 CN CN2010206167392U patent/CN201912933U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533439A (en) * | 2011-10-28 | 2012-07-04 | 东北农业大学 | Detachable oil continuous degumming membrane reactor |
| CN102533439B (en) * | 2011-10-28 | 2013-12-11 | 东北农业大学 | Detachable oil continuous degumming membrane reactor |
| CN103464075A (en) * | 2013-09-10 | 2013-12-25 | 张家港保税区万盛机械工业有限公司 | Polyester experiment device |
| CN111644115A (en) * | 2020-04-24 | 2020-09-11 | 江西宏柏新材料股份有限公司 | Scraper reactor and method for producing 3-octanoyl mercaptopropyltriethoxysilane by using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20111122 |