CN211725773U - Liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle - Google Patents
Liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle Download PDFInfo
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- CN211725773U CN211725773U CN202020060879.XU CN202020060879U CN211725773U CN 211725773 U CN211725773 U CN 211725773U CN 202020060879 U CN202020060879 U CN 202020060879U CN 211725773 U CN211725773 U CN 211725773U
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Abstract
The utility model relates to a liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle, which comprises a reaction kettle, wherein a first feed inlet, a second feed inlet and a discharge outlet are arranged on the reaction kettle, and a feed nozzle is arranged at the second feed inlet; a rotating motor is connected above the reaction kettle, the rotating motor is connected with a stirring mechanism, the stirring mechanism comprises a stirring shaft connected with the rotating motor and a stirring paddle arranged on the stirring shaft, the stirring shaft comprises a first stirring shaft and a second stirring shaft, the second stirring shaft can move up and down on the inner side of the first stirring shaft, and the up-and-down movement of the second stirring shaft is controlled by a lifting motor; the stirring paddle comprises a first stirring blade and a second stirring blade, and the length of the first stirring blade is larger than that of the second stirring blade. The stirring shaft of the stirring reaction kettle can disturb and rotate the reaction liquid up and down, so that the axial flow and the runoff of the material are in good contact; the asymmetric stirring paddles cause the radius of the disturbance of the materials in the reaction kettle to be different, and the liquid-liquid heterogeneous reaction liquid has high reaction rate, high yield and simple and convenient use.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, concretely relates to heterogeneous high-efficient mixing stirring reation kettle of liquid.
Background
The reaction kettle is one of important devices in chemical production, for heterogeneous reaction, a phase transfer catalyst is usually added into reaction materials, the selected phase transfer catalyst can not react with raw materials, and is convenient to remove, the selection difficulty is large, the reaction procedure is complex, and the reaction yield is low; the method has the advantages of no addition of a phase transfer catalyst, difficult contact of heterogeneous liquid-liquid reaction raw materials, long reaction time and low efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: aiming at the defects, the utility model provides a liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle, wherein one phase reaction liquid is sprayed into the reaction kettle through a feeding nozzle, and the contact area is increased in the material adding process; the stirring shaft that sets up can carry out disturbance from top to bottom to the reaction liquid, makes the material axial compressor and the indirect contact of runoff good, improves the intermolecular activation energy, and material mixing efficiency is high, does not add or add a small amount of phase transfer catalyst and can realize liquid-liquid heterogeneous reaction liquid high reaction rate, high yield, and it is simple and convenient to use.
The utility model provides a technical scheme that its technical problem adopted as follows: a liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle comprises a reaction kettle, wherein a jacket is arranged on the outer side of the reaction kettle, and a water inlet and a water outlet are formed in the jacket; the reaction kettle is provided with a first feeding hole, a second feeding hole and a discharging hole, a rotary motor is connected above the reaction kettle, the rotary motor is connected with a stirring mechanism, the stirring mechanism comprises a stirring shaft connected with the rotary motor and a stirring paddle arranged on the stirring shaft, the first feeding hole is arranged above the reaction kettle, the second feeding hole is arranged below the reaction kettle, a feeding nozzle is arranged at the second feeding hole, and the feeding nozzle comprises a feeding main pipe for conveying liquid materials and a plurality of feeding branch pipes for jetting into the reaction kettle; the (mixing) shaft includes first (mixing) shaft and second (mixing) shaft, the stirring rake sets up on the second (mixing) shaft, first (mixing) shaft sets up in the reation kettle outside, the second (mixing) shaft sets up at the reation kettle inboardly, the second (mixing) shaft can be at the inboard up-and-down motion of first (mixing) shaft, second (mixing) shaft up-and-down motion is controlled by elevator motor. One phase reaction liquid is sprayed into the reaction kettle through a feeding nozzle, and the contact area is increased in the material adding process; the stirring shaft that sets up can be with reaction liquid upper and lower disturbance, makes material axial compressor and runoff in contact well, improves the intermolecular activation energy, and material mixing efficiency is high, does not add or adds a small amount of phase transfer catalyst and can realize liquid heterogeneous reaction liquid high reaction rate, high yield, and it is simple and convenient to use.
Furthermore, the stirring paddle comprises a first stirring blade and a second stirring blade, the first stirring blade and the second stirring blade are symmetrically arranged around the stirring shaft, and the length of the first stirring blade is greater than that of the second stirring blade. Through setting up asymmetric stirring rake, the radius of material disturbance is different in reation kettle, and the material of different disturbance scopes collides each other, realizes area of contact between heterogeneous reaction liquid, and the material mixes effectually, further improves the mass transfer effect between heterogeneous reaction liquid.
Furthermore, the stirring paddles are provided with a plurality of groups, and the first stirring blades and the second stirring blades of two adjacent groups of stirring paddles are arranged in a crossed manner. Through setting up a plurality of groups stirring rake, can realize the interior material multilayer collision of reation kettle, first stirring leaf and the second stirring leaf of adjacent group difference set up in turn, have improved the contact between the not co-altitude material, further improve the mixed effect of material.
Furthermore, the length of the first stirring blade is 1.5-2.5 times of that of the second stirring blade, and the reasonable length ratio of the first stirring blade to the second stirring blade can improve the mixing effect of material radial flow and axial flow.
The utility model has the advantages that: by adopting the scheme, one phase reaction liquid is sprayed into the reaction kettle through the feeding nozzle, and the contact area is increased in the material adding process; the stirring shaft can disturb the reaction liquid up and down, so that the axial flow and radial flow of the material are in good contact, the intermolecular activation energy is improved, the material mixing efficiency is high, the high reaction rate and high yield of the liquid-liquid heterogeneous reaction liquid can be realized without adding or adding a small amount of phase transfer catalyst, and the use is simple and convenient; by arranging the asymmetric stirring paddles, the radius of disturbance of materials in the reaction kettle is different, the materials in different disturbance ranges collide with each other, the contact area between heterogeneous reaction liquids is realized, the material mixing effect is good, and the mass transfer effect between the heterogeneous reaction liquids is further improved; the stirring paddles are provided with a plurality of groups, so that the multilayer collision of materials in the reaction kettle can be realized, and the first stirring blades and the second stirring blades of adjacent groups are alternately arranged, so that the contact among the materials with different heights is improved, and the mixing effect of the materials is further improved; the reasonable length ratio of the first stirring blade to the second stirring blade is selected, so that the mixing effect of material runoff and axial flow can be improved.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
wherein: 1 is a reaction kettle, 11 is a first feed inlet, 12 is a second feed inlet, 13 is a discharge outlet, 14 is a feed nozzle, 141 is a feed header pipe, 142 is a feed branch pipe, 2 is a jacket, 21 is a water inlet, 22 is a water outlet, 3 is a rotating motor, 4 is a stirring mechanism, 41 is a stirring shaft, 411 is a first stirring shaft, 412 is a second stirring shaft, 42 is a stirring paddle, 421 is a first stirring blade, 422 is a second stirring blade, and 5 is a lifting motor
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle comprises a reaction kettle 1, wherein a jacket 2 is arranged on the outer side of the reaction kettle 1, and a water inlet 21 and a water outlet 22 are arranged on the jacket 2; a first feeding hole 11, a second feeding hole 12 and a discharging hole 13 are arranged on the reaction kettle 1, the first feeding hole 11 is arranged above the reaction kettle 1, the second feeding hole 12 is arranged below the reaction kettle 1, a feeding nozzle 14 is arranged at the position of the second feeding hole 12, and the feeding nozzle 14 comprises a feeding main pipe 141 for conveying liquid materials and a plurality of feeding branch pipes 142 for jetting the liquid materials into the reaction kettle 1; a rotating motor 3 is connected above the reaction kettle 1, the rotating motor 3 is connected with a stirring mechanism 4, and the stirring mechanism 4 comprises a stirring shaft 41 connected with the rotating motor 3 and a stirring paddle 42 arranged on the stirring shaft 41; the stirring shaft 41 comprises a first stirring shaft 411 and a second stirring shaft 412, the stirring paddle 42 is arranged on the second stirring shaft 412, the first stirring shaft 411 is arranged outside the reaction kettle 1, the second stirring shaft 412 is arranged inside the reaction kettle 1, the second stirring shaft 412 can move up and down inside the first stirring shaft 411, and the up and down movement of the second stirring shaft 412 is controlled by the lifting motor 5; the stirring paddle 42 comprises a first stirring blade 421 and a second stirring blade 422, the first stirring blade 421 and the second stirring blade 422 are symmetrically arranged about the stirring shaft 41, and the length of the first stirring blade 421 is 2 times that of the second stirring blade 422; the stirring paddles 42 have 3 groups, and the first stirring blades 421 and the second stirring blades 422 of two adjacent groups of stirring paddles 42 are arranged in a crossed manner.
The stirring reaction kettle carries out up-and-down disturbance and rotation on the reaction liquid through the second stirring shaft, so that the axial flow and the radial flow of the materials are in good contact, the intermolecular activation energy is improved, the material mixing efficiency is high, the high reaction rate and the high yield of the liquid-liquid heterogeneous reaction liquid can be realized without adding or adding a small amount of phase transfer catalyst, and the use is simple and convenient; asymmetric stirring rake makes the radius of material disturbance different in reation kettle, and the mutual collision between the material of different disturbance scopes realizes area of contact between heterogeneous reaction liquid, and the material mixes effectually, further improves the mass transfer effect between heterogeneous reaction liquid, and heterogeneous reaction liquid high efficiency mixes, improves reaction rate and reaction yield.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. A liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle comprises a reaction kettle (1), wherein a jacket (2) is arranged on the outer side of the reaction kettle (1), and a water inlet (21) and a water outlet (22) are formed in the jacket (2); be equipped with first feed inlet (11), second feed inlet (12) and discharge gate (13) on reation kettle (1), reation kettle (1) top is connected with rotating electrical machines (3), rotating electrical machines (3) are connected with rabbling mechanism (4), rabbling mechanism (4) include (mixing) shaft (41) be connected with rotating electrical machines (3) and set up stirring rake (42) on (mixing) shaft (41), its characterized in that: the first feed port (11) is arranged above the reaction kettle (1), the second feed port (12) is arranged below the reaction kettle (1), the second feed port (12) is provided with a feed nozzle (14), and the feed nozzle (14) comprises a feed main pipe (141) for conveying liquid materials and a plurality of feed branch pipes (142) for jetting into the reaction kettle (1); the stirring shaft (41) comprises a first stirring shaft (411) and a second stirring shaft (412), the stirring paddle (42) is arranged on the second stirring shaft (412), the first stirring shaft (411) is arranged on the outer side of the reaction kettle (1), the second stirring shaft (412) is arranged on the inner side of the reaction kettle (1), the second stirring shaft (412) can move up and down on the inner side of the first stirring shaft (411), and the up and down movement of the second stirring shaft (412) is controlled by the lifting motor (5).
2. The liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle as claimed in claim 1, wherein: the stirring paddle (42) comprises a first stirring blade (421) and a second stirring blade (422), the first stirring blade (421) and the second stirring blade (422) are symmetrically arranged around the stirring shaft (41), and the length of the first stirring blade (421) is greater than that of the second stirring blade (422).
3. The liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle as claimed in claim 2, wherein: the stirring paddles (42) are provided with a plurality of groups, and the first stirring blades (421) and the second stirring blades (422) of two adjacent groups of stirring paddles (42) are arranged in a crossing way.
4. The liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle as claimed in claim 2, wherein: the length of the first stirring blade (421) is 1.5-2.5 times of the length of the second stirring blade (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020060879.XU CN211725773U (en) | 2020-01-13 | 2020-01-13 | Liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020060879.XU CN211725773U (en) | 2020-01-13 | 2020-01-13 | Liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211725773U true CN211725773U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020060879.XU Active CN211725773U (en) | 2020-01-13 | 2020-01-13 | Liquid-liquid heterogeneous high-efficiency mixing and stirring reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211725773U (en) |
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2020
- 2020-01-13 CN CN202020060879.XU patent/CN211725773U/en active Active
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