CN103785341B - Use of reaction tank in mixed continuous transesterification - Google Patents
Use of reaction tank in mixed continuous transesterification Download PDFInfo
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- CN103785341B CN103785341B CN201410033412.5A CN201410033412A CN103785341B CN 103785341 B CN103785341 B CN 103785341B CN 201410033412 A CN201410033412 A CN 201410033412A CN 103785341 B CN103785341 B CN 103785341B
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Abstract
The invention discloses a high-efficiency mixed continuous transesterification reactor. The reactor comprises a reactor body and a mixing shaft, wherein the mixing shaft is inserted into the reactor body from top to bottom, and mixers are fixed on the mixing shaft which is connected with a motor output shaft; a feeding pipe is arranged at the bottom of the reactor body, a discharging pipe is arranged at the upper part of the reactor body, a vacuum exhaust pipe is further arranged at the top of the reactor body, the inner part of the reactor body is divided into a plurality of sections by spacer plates in which small holes are formed, and each section is provided with at least one mixer; a heating device is arranged outside the reactor body. The reactor provided by the invention has the advantages of short reaction time and high transformation efficiency, is suitable for continuous transesterification, and can increase the productivity of products as well as production scale.
Description
Technical field
The present invention relates to ester exchange reaction device, the application of especially a kind of retort in the continuous ester exchange of efficient mixing.
Background technology
At present, the product carrying out ester exchange process production is at home adopt Batch Process mostly, and along with increase and the production-scale expansion of the production capacity of Related product, it is lower that interval ester exchange process compares usefulness with continuous ester exchange process.Not only equipment investment is large, and operational stability is poor, and large to product quality influence of fluctuations, the reaction time is long, has a strong impact on product color, and consumption of raw materials is large, and production cost is high, therefore adopts continuous ester exchange process imperative.The key equipment of continuous ester exchange is ester exchange reaction tank.Because the reaction raw materials of ester exchange is insoluble mutually, want to reach the reaction time short, conversion ratio is high, requires that the mixed effect of equipment is strong especially; Reaction mass ensures the requirement of first in first out to adopt continuous ester exchange process also to require in addition.What current domestic continuous ester exchange equipment adopted is common stirring-type retort, is difficult to reach above two requirements.
Summary of the invention
The object of this invention is to provide that a kind of reaction time is short, transformation efficiency is high, can be applicable to the continuous ester exchange reaction tank of efficient mixing of continuous ester exchange.
For achieving the above object, the technical solution adopted in the present invention is: the application of a kind of retort in the continuous ester exchange of efficient mixing, and described retort comprises tank body, shaft, and shaft stretches in tank body from the top down, shaft is fixed with agitator, and shaft is connected with motor output shaft; Be provided with feed pipe in tank base, be provided with discharge nozzle on the top of tank body, be also provided with Vacuum exhaust tube at tank body top, by dividing plate, tank body is separated into multiple interval in tank body, dividing plate is provided with aperture, and each interval has an agitator at least; Heater is provided with outside tank body.
Preferably, described heater is heating coil.
Preferably, described heater is sandwich.
Preferably, described motor via reducer is connected with shaft.
Preferably, the height of described tank body is more than or equal to 2.5 with diameter ratio.
Preferably, described dividing plate has five, tank body is separated into six intervals.
Preferably, described motor is arranged on the top of tank body by electric machine support.
Preferably, described agitator is large discharge radial agitator.
Preferably, in tank body, vertical baffle plate is provided with.
After the present invention adopts said structure, reaction mass enters in tank body from the feed pipe of the bottom of tank body, material is under pressure from upwards promoting, to flow in order stirring, discharged by discharge nozzle after tank body top completes reaction, such mixed high-efficient, transformation efficiency is high, the use of continuous ester exchange process can be applicable to, can greatly enhance productivity and production scale is looked in expansion.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is structural representation of the present invention.
In figure: 1 feed pipe, 2 heaters, 3 tank bodies, 4 baffle plates, 5 dividing plates, 6 agitators, 7 discharge nozzles, 8 Vacuum exhaust tubes, 9 electric machine supports, 10 reductors, 11 motors, 12 shafts, 13 is interval.
Detailed description of the invention
Shown in Fig. 1, the continuous ester exchange reaction tank of efficient mixing of the present invention, comprises tank body 3, shaft 12, and shaft 12 stretches in tank body 3 from the top down, shaft 12 is fixed with agitator 6, and shaft 12 is connected with motor 11 output shaft; Feed pipe 1 is provided with bottom tank body 3, be provided with discharge nozzle 7 on the top of tank body 3, be also provided with Vacuum exhaust tube 8 at tank body 3 top, in tank body 3, by dividing plate 5, tank body 3 is separated into six intervals 13, dividing plate 5 is provided with aperture, and each interval 13 have an agitator 6 at least; Heater 2 is provided with outside tank body.Vertical baffle plate 4 is provided with in tank body 3.Above-mentioned heater 2 is heating coil or is sandwich, and logical Steam Heating in helix tube and interlayer, steam enters from the bottom of helix tube, goes out from top, and when ester exchange, temperature controls at 200 DEG C.In the present embodiment, motor 11 is connected with shaft 12 by reductor 10, is arranged on the top of tank body 3 by electric machine support 9.The height of tank body 3 is more than or equal to 2.5 with diameter ratio.Dividing plate 5 has five, tank body 3 is separated into six intervals 13.
Operation principle: the reaction mass through preliminary mixing enters tank body 3 from retort bottom feed pipe 1, separate at tank body 3 inner route clapboard 5, multiple (such as 5) minizone 13 is formed in tank, a large discharge radial agitator 6 is had in each minizone 13, under the driving of motor 11, decelerate to certain rotating speed (such as 150rpm) through reductor 10 drives the large discharge radial agitator 6 be fixed on shaft 12 to rotate, agitator 6 drives the liquid flow in each minizone 13, because interval 13 volumes are little, agitator 6 flow is large, the feed liquid in each interval 13 can be made acutely to mix, and flow from lower upstream sequence via the hole on dividing plate 5, discharged by discharge nozzle 7 in 13 between top region after completing reaction.In course of reaction, carry out Heat preservation by heater 2 control reaction temperature (according to different Material control temperature such as between 120 ~ 230 degrees Celsius), and be exhausted by Vacuum exhaust tube 8 or vacuumized.
The above is the preferred embodiment of the present invention; certainly the interest field of the present invention can not be limited with this; should be understood that; for those skilled in the art; technical scheme of the present invention is modified or equivalent replacement, do not depart from the protection domain of technical solution of the present invention.
Claims (1)
1. the application of retort in the continuous ester exchange of mixing, this retort comprises tank body (3), shaft (12), shaft (12) stretches in tank body (3) from the top down, shaft (12) is fixed with agitator (6), and shaft is connected with motor (11) output shaft; Feed pipe (1) is provided with in tank body (3) bottom, discharge nozzle (7) is provided with on the top of tank body (3), Vacuum exhaust tube (8) is also provided with at tank body (3) top, by dividing plate (5), tank body (3) is separated into six intervals (13) in tank body (3), dividing plate (5) is provided with aperture, and each interval (13) have an agitator (6); Heater (2) is provided with outside tank body (3), described heater (2) is heating coil, described heater (2) is sandwich, described motor (11) is connected with shaft (12) by reductor (10), the height of described tank body (3) is more than or equal to 2.5 with diameter ratio, described motor (11) is arranged on the top of tank body (3) by electric machine support (9), and described agitator (6) is large discharge radial agitator, is provided with vertical baffle plate (4) in tank body (3);
It is characterized in that: the reaction mass through preliminary mixing enters tank body (3) from retort bottom feed pipe (1), separate at tank body (3) inner route clapboard (5), six intervals (13) are formed in tank, a large discharge radial agitator (6) is had in each interval (13), under the driving of motor (11), decelerate to certain rotating speed through reductor (10) drives the large discharge radial agitator (6) be fixed on shaft (12) to rotate, agitator (6) drives the liquid flow in each interval (13), because interval (13) volume is little, agitator (6) flow is large, the feed liquid in each interval (13) can be made acutely to mix, and flow from lower upstream sequence via the hole on dividing plate (5), discharged by discharge nozzle (7) in (13) between top region after completing reaction, in course of reaction, carry out Heat preservation by heater (2) control reaction temperature, and be exhausted by Vacuum exhaust tube (8) or vacuumized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410033412.5A CN103785341B (en) | 2014-01-24 | 2014-01-24 | Use of reaction tank in mixed continuous transesterification |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410033412.5A CN103785341B (en) | 2014-01-24 | 2014-01-24 | Use of reaction tank in mixed continuous transesterification |
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| CN103785341A CN103785341A (en) | 2014-05-14 |
| CN103785341B true CN103785341B (en) | 2015-05-13 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104651060B (en) * | 2015-02-03 | 2017-08-15 | 江苏卡特环保科技有限公司 | The continuous ester exchange process of biodiesel |
| CN104761615A (en) * | 2015-04-03 | 2015-07-08 | 苏州森华生物科技有限公司 | Stable soybean milk acid precipitation treatment equipment and method |
| CN105597653B (en) * | 2016-04-07 | 2018-05-08 | 广东卓原新材料科技有限公司 | A kind of closed successive reaction oil alkali refining device |
| CN106512892B (en) * | 2016-11-04 | 2019-04-09 | 中国建筑材料科学研究总院 | Continuous reaction apparatus |
| CN107213861A (en) * | 2017-07-28 | 2017-09-29 | 德清县东来化学有限公司 | A kind of liquid barium zinc heat stabilizer production reactor |
| CN107583586A (en) * | 2017-10-13 | 2018-01-16 | 安徽天意环保科技有限公司 | The ester exchange reaction device of surfactant |
| CN113041960A (en) * | 2019-12-27 | 2021-06-29 | 江苏和成新材料有限公司 | Continuous chemical reaction kettle |
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| CN202527176U (en) * | 2012-04-28 | 2012-11-14 | 北方民族大学 | Device for preparing micro-nano powder by quick precipitation method |
| CN202666863U (en) * | 2012-06-28 | 2013-01-16 | 长春黄金研究院 | Single-wall reaction kettle with safety alarm sensor |
| CN203183989U (en) * | 2013-02-28 | 2013-09-11 | 浙江东瓯过滤机制造有限公司 | Continuous microbubble reactor |
| CN203803488U (en) * | 2014-01-24 | 2014-09-03 | 广州市凯闻食品发展有限公司 | Efficient mixed continuous transesterification tank |
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Patent Citations (7)
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| CN201441915U (en) * | 2008-12-12 | 2010-04-28 | 湖南工业大学 | Reactor preparing inorganic nano particles at normal temperature |
| CN201586523U (en) * | 2009-12-22 | 2010-09-22 | 成都蜀都纳米材料科技发展有限公司 | Double-chamber circulating precipitation reaction kettle |
| CN102247791A (en) * | 2011-04-13 | 2011-11-23 | 天津恒实通工程技术发展有限公司 | Continuous mixing reaction device |
| CN202527176U (en) * | 2012-04-28 | 2012-11-14 | 北方民族大学 | Device for preparing micro-nano powder by quick precipitation method |
| CN202666863U (en) * | 2012-06-28 | 2013-01-16 | 长春黄金研究院 | Single-wall reaction kettle with safety alarm sensor |
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| CN103785341A (en) | 2014-05-14 |
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