CN201002005Y - Multi-stage stirring spraying type esterification reaction still - Google Patents
Multi-stage stirring spraying type esterification reaction still Download PDFInfo
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- CN201002005Y CN201002005Y CNU2007200026543U CN200720002654U CN201002005Y CN 201002005 Y CN201002005 Y CN 201002005Y CN U2007200026543 U CNU2007200026543 U CN U2007200026543U CN 200720002654 U CN200720002654 U CN 200720002654U CN 201002005 Y CN201002005 Y CN 201002005Y
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- kettle
- shaft
- reaction kettle
- multistage stirring
- cylindrical shell
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Abstract
The utility model proposes a multistage mixing spray esterification kettle, which comprises a kettle body, a mixer, a drive unit and a heater, therein: the mixer is positioned in the kettle and consists of a mixing shaft and an impeller; the drive unit is arranged at the upper part of the kettle and connected with the missing shaft; the heater is used to heat the kettle and / or the materials in the kettle; the reaction kettle also comprises a spray system, which is used to spray the materials into the kettle. The utility model has the advantages of simple structure, uniform material mixing and ideal heating performance, can effectively improves the output and is applicable for various chemical production fields.
Description
Technical field
The utility model relates to chemical production equipment, specifically is a kind of novel multistage stirring fountain reaction kettle of the esterification.
Background technology
Reaction kettle of the esterification is widely used in multiple chemical production field, present reaction kettle of the esterification both domestic and external mainly is divided into two kinds: a kind of is traditional full type esterifying kettle that mixes, the characteristics of this equipment are that material mobile in equipment is complete mixed type, the residence time of material inequality, the time of staying that has material about half not reach production requirement is just left reactor, thereby has caused the lower problem of material transformation efficiency.Another kind of more novel equipment is tower successive reaction still, and in this equipment, material stops, good fluidity, and conversion efficiency is more satisfactory, but the device structure complexity, cost height, and process conditions harshness.
Chinese patent application CN0025965.3 kind discloses a kind of novel reaction kettle of the esterification, be provided with the guide shell of being with baffle plate near this novel paddle of reaction kettle of the esterification in its housing, this design can be eliminated eddy current to a certain extent, strengthens heat and mass transport, be improved conversion ratio.But, the applicant finds when practical operation, this single paddle is not ideal enough for the well-mixed effect of material, and owing to adopted no header coil heat exchanger, its heat-transfer effect is relatively poor, and it is bigger not have taking up room of header coil heat exchanger, thereby has reduced the optimization of this device structure.
The utility model content
[technical problem that will solve]
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of new and effective, simple in structure, mixing of materials evenly, heating is satisfactory for result, further improve the reaction kettle of the esterification of output capacity.
[technical scheme]
In order to achieve the above object, the utility model provides a kind of multistage stirring fountain reaction kettle of the esterification, and it comprises kettle, agitator, transmission component, heater.Wherein, described kettle comprises upper cover 1, cylindrical shell 2, low head 3, and upper cover 1 is provided with charging aperture 17, and low head 3 is provided with discharging opening 8; The bottom of upper cover 1 links to each other with the top of cylindrical shell 2, and the bottom of cylindrical shell 2 links to each other with the top of low head 3; Described upper cover 1, cylindrical shell 2, low head 3 common formation reaction chambers.Described agitator is located in the described kettle, and it is used for the material in the reactor is stirred, and comprises shaft 10 and at least one group of impeller 11 that is fixed on the shaft 10; Described transmission component is located at the top of described kettle, and it links to each other with shaft 10, is used to drive shaft 10 and rotates; Described heater is used to heat the material in described kettle and/or the kettle; Described reactor also comprises spray system, and this spray system is used for material is evenly sprayed in described kettle, and it comprises spray head 16, material conduit 4, product pump 5; Spray head 16 is positioned at described cylindrical shell 2, and it links to each other with an end of material conduit 4, and the other end of material conduit 4 links to each other with product pump 5, and the other end of product pump 5 communicates with low head 3.
Material begins reaction after adding in the reactor from charging aperture 17 under the effect of agitator, heater.Simultaneously, product pump 5 is got material from reactor bottom pump, and these materials may be not fully reactions, and these materials upwards spray in reactor equably by spray head 16 through product pump 5, material conduit 4 and react once more, be circulated to material with this and fully react, discharge from discharging opening 8.
According to the preferred version of above-mentioned multistage stirring fountain reaction kettle of the esterification, wherein, the section shape of described upper cover 1 can be half elliptic or semicircle, and the section shape of low head 3 can be ellipse or taper.
According to the another kind of preferred version of aforesaid reaction vessel, wherein, the form of impeller 11 can be shaped as frame, anchor shape, oar shape, ribbon, screw rod, also can be that straight leaf disc turbine, curved leaf or hinged joint are opened turbine.
Preferably, 2-12 group impeller 11 is arranged on the shaft 10 in the agitator, each group impeller comprises 2-12 impeller 11, and a plurality of impellers of each group are that symmetrical centre is fixed on the sustained height of described shaft 10 equably with the shaft.The quantity of the impeller 11 on the shaft 10 preferably have two groups or more than.More preferably, bottom, middle part and top that 11, three groups of impellers 11 of three groups of impellers are located at shaft 10 respectively are set on shaft 10, the material in the reactor are fully stirred with this.
According to a kind of preferred version of aforesaid reaction vessel, described transmission component is used to drive shaft 10 and rotates, and 11 pairs of materials of impeller stir thus.Described transmission component comprises motor 24, decelerator 21, axle sealing 19, shaft coupling 20, frame 23, base 22, and described shaft coupling 20 is connected with shaft 10, and drives described shaft 10 rotations.
According to a kind of preferred version of aforesaid reaction vessel, described heater comprises chuck and/or coiled pipe.Coiled pipe is that bending is coiled in the reactor and/or the pipeline of described kettle outside, and firing equipment is arranged in the pipeline.Preferably include external coil 12 and inner coil 15, the described reactor of external coil 12 heating, the material in the inner coil 15 heating reactors.
According to a kind of preferred version of aforesaid reaction vessel, wherein said spray head 16 is located in the kettle, and an end of the material conduit 4 that it is outer with being located at kettle links to each other, and material conduit 4 is provided with product pump 5, and the other end of material conduit 4 communicates with low head 3.
Preferably, the shape of described spray head 16 is circular, square, triangle or cast.More preferably be straight tube, bend pipe or ring-like pipe.
Preferably, the spray system in the described reactor has one or more groups.
[beneficial effect]
Multistage stirring fountain reaction kettle of the esterification of the present utility model is on the one hand owing to adopted the design of spray, the product pump 5 that reactor bottom is not fully reacted is to spray head 16, spray in the reactor and react once more, reduced material and fully reacted the required time; On the other hand, because shaft 10 is provided with many group impellers 11, compare with existing consersion unit, material mixes more abundant in reactor of the present utility model, has improved output capacity; Moreover because firing equipment has adopted the design of coiled pipe, and coiled pipe is distributed in inside and outside the reactor, so the efficiency of heating surface of material is higher, further shortens the production time, enhances productivity.
The more existing same category of device of reactor of the present utility model is simple in structure, occupy little space, and is applicable to multiple chemical field.
Description of drawings
The structure chart of Fig. 1 multistage stirring fountain reaction kettle of the esterification of the present utility model;
Among the figure, 1, upper cover; 2, cylindrical shell; 3, low head; 4, material conduit; 5, product pump; 6, inner coil outlet; 7, external coil outlet; 8, discharging opening; 9, sample tap; 10, shaft; 11, impeller; 12, external coil; 13, external coil import; 14, inner coil import; 15, inner coil; 16, spray head; 17, charging aperture; 18, take over mouth; 19, axle sealing; 20, shaft coupling; 21, decelerator; 22, base; 23, frame; 24, motor.
The specific embodiment
Present embodiment illustrates the multistage stirring fountain of the utility model reaction kettle of the esterification in conjunction with the accompanying drawings without limitation.Those skilled in the art; under the situation that does not break away from spirit and scope of the present utility model; can also make variations and modifications to the utility model; but all equivalent technical schemes all belong to protection domain of the present utility model, and the utility model protection domain is that the claims by the application are limited.
With reference to Fig. 1, reactor mainly is made up of four parts, is respectively kettle, agitator, transmission component, heater, will be elaborated respectively below.
Kettle
Kettle comprises upper cover 1, cylindrical shell 2, low head 3.Wherein, the section shape of upper cover 1 is a half elliptic, and the section shape of low head 3 is tapers, with mechanical means their top and bottom with cylindrical shell 2 is linked to each other respectively, constitutes the entire reaction chamber.The top of upper cover 1 has charging aperture 17 and takes over mouth 18, and low head 3 is provided with discharging opening 8 and sample tap 9.
Also offer additional interface such as instrumentation taps such as temperature, pressure, liquid level, and manhole, visor, distillation and vacuum on the kettle, these interfaces belong to prior art commonly used in chemical industry equipment, do not give unnecessary details at this.
Agitator
Axial location in reaction chamber is provided with shaft 10, and the length of shaft 10 and the height of reaction chamber are complementary.Be provided with 3 groups of impellers 11 on the shaft 10 altogether, every group of impeller is being that symmetrical centre is fixed 2 impellers 11 equably with the shaft.From the bottom to top, first group of impeller 11 is blade form in shaft 10 bottoms; Second group of impeller 11 is fixed on the middle part of shaft 10, is blade form; The 3rd group of impeller 11 is installed in shaft 10 tops, also is blade form, and the length of these blades and the radius of reaction chamber are complementary.
Transmission component
Transmission component is used to drive shaft 10 and rotates, thereby material is stirred.It comprises motor 24, decelerator 21, axle sealing 19, shaft coupling 20, frame 23, base 22.During installation, motor 24, decelerator 21, axle sealing 19, shaft coupling 20, frame 23, base 22 are fixed on the kettle top, and shaft coupling 20 is connected with shaft 10 outside kettle, drive shaft 10 motions.
Heater
Heater comprises chuck common in the prior art and coiled pipe.Coiled pipe comprises external coil 12 and inner coil 15, and they all are the pipelines that coils fully, and heat transfer medium is housed in the pipeline.Wherein, at cylindrical shell 2 and low head 3 outer walls coiling external coil 12, external coil 12 heating kettlies have external coil import 13 in its top, have external coil outlet 7 bottom.Be centered around cylindrical shell 2 inwalls, be provided with coiled pipe 15 in the position that does not influence impeller 11 rotations, inner coil 15 can directly heat the material in the kettle.The top of inner coil 15 is inner coil import 14, is inner coil 15 outlets 6 bottom, and import and outlet all extend out to outside the kettle.
Spray system
Top in the kettle is provided with straight tube-like spray head 16, has many spray apertures on the spray head 16.Straight tube-like spray head 16 is identical with an end of material conduit 4, and material conduit 4 extends under the kettle extroversion, and joins with product pump 5, links to each other with low head 3 at last.When work, product pump 5 pumps take off the material in the end socket 3, and these materials can be the materials that does not fully react, and are pumped into spray head 16, spray in the kettle again, react again.
During the reactor operation, material enters in the reactor from the charging aperture 17 of upper end, is heated in reactor and stirs.Wherein, the material that is in bottommost in the reactor is constantly pumped, is transported to spray head 16 by product pump 5, enters in the reactor and reacts, and this endless form effectively reduces material and fully reacts the required time.And the multistage agitator arm 11 in the reactor can fully stir material effectively, has improved reaction efficiency.And the design of coiled pipe makes material be heated more evenly, thereby has improved output capacity.
Can find out the existing skill of Multi-stage stirring spraying type reaction kettle of the esterification contrast of the present utility model Art has the each side advantage, and simple in structure, and it is little to take up room, and is fit to be applied to multiple Chemical production field.
Claims (10)
1, a kind of multistage stirring fountain reaction kettle of the esterification, it comprises kettle, agitator, transmission component, heater, wherein said kettle comprises upper cover (1), cylindrical shell (2), low head (3), described upper cover (1) is provided with charging aperture (17), described low head (3) is provided with discharging opening (8), the bottom of upper cover (1) links to each other with the top of cylindrical shell (2), the bottom of cylindrical shell (2) links to each other with the top of low head (3), it is characterized in that described agitator is located in the described kettle, it comprises shaft (10) and at least one group of impeller (11) that is distributed on this differing heights, and described impeller (11) is fixed on the described shaft (10); Described transmission component is located at the top of kettle, and it links to each other with shaft (10), is used to drive shaft (10) and rotates; Described heater is used to heat the material in described kettle and/or the kettle; Described reactor also comprises the spray system of material spray in described kettle, it comprises spray head (16), material conduit (4) and product pump (5), described spray head (16) is positioned at described cylindrical shell (2), it links to each other with an end of material conduit (4), the other end of described material conduit (4) links to each other with product pump (5), and the other end of product pump (5) communicates with low head (3).
2, multistage stirring fountain reaction kettle of the esterification according to claim 1, the section shape that it is characterized in that described upper cover (1) is a half elliptic or semicircular, the section shape of described low head (3) is ellipse or taper.
3, multistage stirring fountain reaction kettle of the esterification according to claim 1 is characterized in that the shape of described impeller (11) is selected from the shape that shaped as frame, anchor shape, oar shape, ribbon, screw rod or straight leaf disc turbine, curved leaf or hinged joint are opened turbine.
4, multistage stirring fountain reaction kettle of the esterification according to claim 1 is characterized in that every group of impeller (11) comprises 2-12 impeller blade, and they are that symmetrical centre is fixed on the sustained height of described shaft (10) equably with shaft (10).
5, multistage stirring fountain reaction kettle of the esterification according to claim 1, it is characterized in that described transmission component comprises motor (24), decelerator (21), axle sealing (19), shaft coupling (20), frame (23), base (22), described shaft coupling (20) is connected with described shaft (10), and drives described shaft (10) rotation.
6, multistage stirring fountain reaction kettle of the esterification according to claim 1, it is characterized in that described heater comprises chuck and/or coiled pipe, described chuck is the space that forms as chuck inwall and the outer wall relative with it with cylindrical shell (2) outer wall, described chuck parcel cylindrical shell (2) also holds heat transfer matrix, described coiled pipe is included in the external coil (12) of reactor outside and/or at the inner coil (15) of reactor inside, they are respectively applied for the material in described kettle of heating and/or the kettle.
7, multistage stirring fountain reaction kettle of the esterification according to claim 1 is characterized in that described material conduit (4) and product pump (5) are positioned at described kettle outside, and the spray head (16) in an end of material conduit (4) and the described kettle links to each other.
8, multistage stirring fountain reaction kettle of the esterification according to claim 1, the shape that it is characterized in that described spray head (16) is circular, square, triangle or tubular.
9, multistage stirring fountain reaction kettle of the esterification according to claim 8, it is characterized in that described tubular be straight tube, bend pipe or ring pipe.
10, multistage stirring fountain reaction kettle of the esterification according to claim 1 is characterized in that described spray system is one or more groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200026543U CN201002005Y (en) | 2007-01-25 | 2007-01-25 | Multi-stage stirring spraying type esterification reaction still |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200026543U CN201002005Y (en) | 2007-01-25 | 2007-01-25 | Multi-stage stirring spraying type esterification reaction still |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201002005Y true CN201002005Y (en) | 2008-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200026543U Expired - Fee Related CN201002005Y (en) | 2007-01-25 | 2007-01-25 | Multi-stage stirring spraying type esterification reaction still |
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| CN (1) | CN201002005Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641712A (en) * | 2012-02-29 | 2012-08-22 | 大庆志飞生物化工有限公司 | Novel reaction kettle for producing methylamino avermectin benzoate |
| CN102728295A (en) * | 2012-06-15 | 2012-10-17 | 德纳（南京）化工有限公司 | Reaction kettle with cleaning equipment |
| CN103170298A (en) * | 2013-03-22 | 2013-06-26 | 中国昆仑工程公司 | Esterification reactor |
| CN104177862A (en) * | 2013-11-06 | 2014-12-03 | 江苏泰丰化工有限公司 | Sodium-potassium ratio adjusting device of device for recovering mixed alkali from indigo products |
| CN104209032A (en) * | 2014-10-08 | 2014-12-17 | 烟台恒鑫化工科技有限公司 | Multifunctional stirring and compounding kettle |
| CN105669956A (en) * | 2014-11-19 | 2016-06-15 | 无锡市兴盛新材料科技有限公司 | Improved PBT esterification reactor |
| CN105771711A (en) * | 2016-05-20 | 2016-07-20 | 广西梧州日成林产化工股份有限公司 | Rosin dissolving method |
| CN107376818A (en) * | 2017-09-20 | 2017-11-24 | 北京三际生态科技有限公司 | A kind of efficient stable kettle |
| CN107617400A (en) * | 2017-11-07 | 2018-01-23 | 盐城市大丰匀力机械制造厂 | High-speed stirred reactor |
| CN107626276A (en) * | 2017-11-07 | 2018-01-26 | 盐城市大丰匀力机械制造厂 | More fluidised form reaction units |
| CN108714390A (en) * | 2018-06-27 | 2018-10-30 | 南京安伦化工科技有限公司 | Bis- chloro- 4-aminopyridine reaction agitating devices of 3,5- |
| CN115364800A (en) * | 2022-08-25 | 2022-11-22 | 东华大学 | A solution stabilization automation prepares system for preparing porous yarn |
-
2007
- 2007-01-25 CN CNU2007200026543U patent/CN201002005Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641712A (en) * | 2012-02-29 | 2012-08-22 | 大庆志飞生物化工有限公司 | Novel reaction kettle for producing methylamino avermectin benzoate |
| CN102728295A (en) * | 2012-06-15 | 2012-10-17 | 德纳（南京）化工有限公司 | Reaction kettle with cleaning equipment |
| CN103170298A (en) * | 2013-03-22 | 2013-06-26 | 中国昆仑工程公司 | Esterification reactor |
| CN103170298B (en) * | 2013-03-22 | 2015-07-08 | 中国昆仑工程公司 | Esterification reactor |
| CN104177862A (en) * | 2013-11-06 | 2014-12-03 | 江苏泰丰化工有限公司 | Sodium-potassium ratio adjusting device of device for recovering mixed alkali from indigo products |
| CN104209032A (en) * | 2014-10-08 | 2014-12-17 | 烟台恒鑫化工科技有限公司 | Multifunctional stirring and compounding kettle |
| CN105669956A (en) * | 2014-11-19 | 2016-06-15 | 无锡市兴盛新材料科技有限公司 | Improved PBT esterification reactor |
| CN105771711A (en) * | 2016-05-20 | 2016-07-20 | 广西梧州日成林产化工股份有限公司 | Rosin dissolving method |
| CN107376818A (en) * | 2017-09-20 | 2017-11-24 | 北京三际生态科技有限公司 | A kind of efficient stable kettle |
| CN107617400A (en) * | 2017-11-07 | 2018-01-23 | 盐城市大丰匀力机械制造厂 | High-speed stirred reactor |
| CN107626276A (en) * | 2017-11-07 | 2018-01-26 | 盐城市大丰匀力机械制造厂 | More fluidised form reaction units |
| CN108714390A (en) * | 2018-06-27 | 2018-10-30 | 南京安伦化工科技有限公司 | Bis- chloro- 4-aminopyridine reaction agitating devices of 3,5- |
| CN115364800A (en) * | 2022-08-25 | 2022-11-22 | 东华大学 | A solution stabilization automation prepares system for preparing porous yarn |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: YANG YE ^ |
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| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Yang Ye Number: 02 Page: The title page Volume: 24 |
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| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Yang Ye Number: 02 Volume: 24 |
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| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: YANG YE ^ |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 |