CN216799820U - Large capacity carboxylation reation kettle - Google Patents
Large capacity carboxylation reation kettle Download PDFInfo
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- CN216799820U CN216799820U CN202123320695.6U CN202123320695U CN216799820U CN 216799820 U CN216799820 U CN 216799820U CN 202123320695 U CN202123320695 U CN 202123320695U CN 216799820 U CN216799820 U CN 216799820U
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Abstract
The utility model discloses a large-capacity carboxylation reaction kettle, which comprises a cylindrical kettle body, an upper sealing head and a lower sealing head, wherein the peripheries of the kettle body and the lower sealing head are coated with a jacket, the bottom of the jacket is provided with a medium inlet, the upper part of the jacket is provided with a medium outlet, the lower sealing head is provided with a feed inlet, the upper sealing head is provided with a manhole device, a water inlet, an air inlet, a steam outlet, a feed inlet, a standby port, a safety valve port and a viewing mirror, the upper sealing head is provided with a power device, the power device is connected with a stirring shaft, the stirring shaft is provided with a plurality of layers of stirring paddles, one end of each stirring paddle and the inner wall of the kettle body are provided with a gap for powder products to pass through, the inner wall of the kettle body is provided with a plurality of layers of fixed paddles, two layers of stirring paddles are arranged above the fixed paddle on the uppermost layer, a layer of stirring paddle is arranged between the two layers of fixed paddles, the fixed paddle on the lowermost layer is positioned in the lower sealing head, and a layer of stirring paddle is arranged below the fixed paddle, adjacent fixed oar and stirring rake match each other, and above-mentioned structure can be suitable for the reation kettle of large capacity, increases output.
Description
Technical Field
The utility model relates to the technical field of carboxylation reaction kettles, in particular to a large-capacity carboxylation reaction kettle.
Background
The carboxylation reaction kettle (also called carboxylation tank) is equipment for preparing salicylic acid, and the preparation process comprises the steps of adding water and sodium phenolate into the kettle, fully stirring and mixing, then introducing carbon dioxide for reaction, keeping the temperature of the kettle constant in the period, opening a discharge port after the reaction is finished, taking out the product, cleaning the kettle and then carrying out next preparation. Therefore, the structure of the carboxylation reaction kettle is complex, and comprises a stirring system, a feeding system, an air inlet system, an exhaust system, a temperature control system and the like. The volume of the prior carboxylation reaction kettle is very small, and is usually 3m3The yield of product preparation is limited, increasing the capacity of the carboxylation reactor is not simply an equal-scale enlargement of the original carboxylation reactor, some parts are not limited by the size of the carboxylation reactor, and some parts need to be redesigned to adapt to the enlarged carboxylation reactor, wherein the redesigned stirring system is most needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a high-capacity carboxylation reaction kettle, which can improve the yield of products prepared each time and solve the problem of low yield of a small-capacity reaction kettle.
In order to solve the technical problem, the technical scheme of the utility model is as follows: the high-capacity carboxylation reaction kettle comprises a cylindrical kettle body, wherein an elliptic upper end enclosure is sealed at the upper end of the kettle body, an elliptic lower end enclosure is sealed at the lower end of the kettle body, a jacket is wrapped on the peripheries of the kettle body and the lower end enclosure, a sealing space is formed between the jacket and the kettle body as well as the lower end enclosure, a medium inlet is formed in the bottom of the jacket, a medium outlet is formed in the upper part of the jacket, a manhole device, a water inlet, a steam outlet, a feed inlet, a standby port, a safety valve port and a sight glass are arranged on the upper end enclosure, a discharge port is formed in the lower end enclosure, a power device is arranged above the upper end enclosure and comprises a motor, a speed reducer and a coupler, the coupler is connected with a stirring shaft, the stirring shaft is positioned in the kettle body, a plurality of layers of stirring paddles are axially arranged on the stirring shaft, one end of the stirring paddles is fixedly connected to the stirring shaft, the other end with the clearance that supplies powder form product to pass through is left to cauldron internal wall, install a plurality of layers of fixed oar on the internal wall of cauldron, fixed oar is strip and level and places, the both ends fixed mounting of fixed oar in on the internal wall of cauldron, the superiors the top of fixed oar is equipped with two-layerly the stirring rake, two-layerly be equipped with the one deck between the fixed oar the stirring rake, the lower floor the fixed oar is located in the low head, the lower floor the below of fixed oar is equipped with the one deck the stirring rake, adjacent fixed oar with the stirring rake is matchd each other, the stirring rake both had both mutually supported with the fixed oar of top and played crushing effect promptly, also mutually supported with the fixed oar of below and played crushing effect.
By adopting the technical scheme, the mixing device can play a role in grinding and crushing when fully mixing materials by matching the stirring paddle with the inner wall of the kettle and matching the fixed paddle with the stirring paddle, the final product is ground into powder and flows out of the discharge port, the foam generated in the material mixing process can be smashed by the uppermost two layers of stirring paddles, and by adopting the structure, the capacity of the carboxylation reaction kettle can be enlarged to 7m3More than to improve the output of product, the clearance of stirring rake and the internal wall of cauldron is very little, can prevent that the material from gluing on the internal wall of cauldron, convenient subsequent clearance.
As a preferred scheme, only one fixed paddle is arranged on each layer, the included angle between every two adjacent fixed paddles is 60 degrees, and the projection intersection of every two adjacent fixed paddles is a triangle.
Preferably, two stirring paddles are arranged on each layer of the uppermost two stirring paddles, and the two stirring paddles are symmetrically arranged relative to the stirring shaft.
As a preferable scheme, only one stirring paddle is arranged between two layers of the fixed paddles, and the two stirring paddles adjacent to each other up and down are arranged on two opposite sides of the stirring shaft.
Preferably, two stirring paddles are arranged at the lowest layer, and are symmetrically arranged relative to the stirring shaft.
As a preferred scheme, a water receiving disc is arranged below the steam outlet, and a lower air inlet is arranged on the discharge port. The water collector can accept the comdenstion water that the steam outlet dropped, prevents to pollute the product, and the discharge gate is equipped with the air inlet, and the air inlet of top and the lower air inlet of below can let in carbon dioxide gas simultaneously, make the faster going on of reaction.
Preferably, the number of the medium outlets is two, and the two medium outlets are symmetrical with respect to the jacket. Thus, the medium flows more uniformly, and the temperature control effect is better.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an upper head according to an embodiment of the present invention;
fig. 3 is a schematic view of an arrangement of fixed paddles according to an embodiment of the utility model.
In the figure: 1, a kettle body; 2, lower end enclosure; 3, sealing the head; 4, jacket; 5, stirring the shaft; 6, a stirring paddle; 7, fixing the paddle; 8, a power device;
21, a discharge hole; 22, a lower air inlet;
31, a manhole device; 32, a steam outlet; 33, a relief valve port; 34, a spare port; 35, a sight glass; 36, an air inlet; 37, a water inlet; 38, a feed inlet;
41, a media inlet; 42, a media outlet; 43, thermo-well tube; 44, an ear mount;
81, an electric motor; 82, a speed reducer; 83 and a coupler.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, the large-capacity carboxylation reaction kettle comprises a cylindrical kettle body 1, an elliptical upper end enclosure 3 is sealed at the upper end of the kettle body 1, an elliptical lower end enclosure 2 is sealed at the lower end, the peripheries of the kettle body 1 and the lower end enclosure 2 are coated with a jacket 4, a sealed space is formed between the jacket 4 and the kettle body 1 and the lower end enclosure 2, a medium inlet 41 is arranged at the bottom of the jacket 4, a medium outlet 42 is arranged at the upper part of the jacket 4, two medium outlets 42 are arranged, and the two medium outlets 42 are symmetrical about the jacket 4. The medium inlet 41 is filled with a heat exchange medium, such as steam, to maintain the temperature in the reaction vessel, and when the temperature in the reaction vessel is too high, a low temperature medium is filled, and when the temperature is too low, a high temperature medium is filled.
Four ear seats 44 are uniformly distributed along the circumferential surface on the jacket 4. The ear seat 44 is used for fixing the installation position of the large-capacity carboxylation reaction kettle.
The middle part of the kettle body 1 is provided with a thermometer sleeve 43. The thermo-well tube 43 can be inserted with a thermometer to observe the temperature at any time.
As shown in fig. 2, the upper sealing head 3 is provided with a manhole device 31, a water inlet 37, a gas inlet 36, a steam outlet 32, a feed inlet 38, a spare port 34, a relief valve port 33 and two sight glasses 35, the water inlet 37 is also used as a steam inlet, the two sight glasses 35 are symmetrically arranged about the center of the upper sealing head 3, and one sight glass 35 is installed on the manhole device 31.
The manhole device 31, the water inlet 37, the air inlet 36, the steam outlet 32, the feed inlet 38, the spare port 34, the safety valve port 33 and the sight glass 35 are distributed in an annular array by taking the middle point of the upper end enclosure 3 as the center,
the manhole device 31 is used for workers to enter the kettle body 1 for operation.
The water inlet 37 is used for adding water required in the production process, and the water inlet 37 is also used as a steam inlet and can be used for adding steam to adjust the temperature in the kettle.
The gas inlet 36 is used for introducing carbon dioxide and nitrogen. Carbon dioxide is used for chemical reaction, and nitrogen plays a role in protection.
The steam outlet 32 is used to discharge steam. A water receiving tray is arranged below the steam outlet 32. Can prevent the condensed water from falling into the product to cause product pollution.
The lower seal head 2 is provided with a discharge port 21, and the discharge port 21 is provided with a lower air inlet 22.
The sight glass 35 can be used to observe the conditions inside the kettle.
A power device 8 is arranged above the upper seal head 3, the power device 8 comprises a motor, a speed reducer and a coupler, the coupler is connected with a stirring shaft 5, the stirring shaft 5 is positioned in the kettle body 1, the stirring shaft 5 is axially provided with a plurality of layers of stirring paddles 6, one end of each stirring paddle 6 is fixedly connected to the stirring shaft 5, the other end of each stirring paddle 6 and the inner wall of the kettle body 1 are provided with a gap for the powder product to pass through, the inner wall of the kettle body 1 is provided with a plurality of layers of fixed paddles 7, the fixed paddles 7 are arranged horizontally in a strip shape, two ends of each fixed paddle 7 are fixedly arranged on the inner wall of the kettle body 1, two layers of stirring paddles 6 are arranged above the fixed paddle 7 on the uppermost layer, one layer of stirring paddle 6 is arranged between the two layers of fixed paddles 7, the fixed paddle 7 on the lowermost layer is positioned in the lower seal head 2, a layer of stirring paddle 6 is arranged below the fixed paddle 7 on the lowermost layer, the adjacent fixed paddles 7 are matched with the stirring paddles 6, and the stirring paddles 6 are mutually matched with the fixed paddles 7 on the upper part, and also cooperates with the fixed paddle 7 below to perform the crushing function.
Only one fixed paddle 7 is arranged on each layer, as shown in fig. 3, the included angle between two adjacent fixed paddles 7 is 60 degrees, and the projection intersection of three adjacent fixed paddles 7 is a triangle.
Two stirring paddles 6 are arranged on each layer of the uppermost two layers of the stirring paddles 6 and are symmetrically arranged relative to the stirring shaft 5. The stirring paddles 6 on the uppermost layer mainly play a role in breaking up foam.
Only one stirring paddle 6 is arranged between the two layers of fixed paddles 7, and the two stirring paddles 6 which are adjacent up and down are arranged on two opposite sides of the stirring shaft 5.
The stirring paddles 6 at the lowest layer are provided with two stirring paddles and are symmetrically arranged relative to the stirring shaft 5.
During production, water is added through the water inlet 37, sodium phenolate is added through the feeding hole 38, the stirring shaft 5 rotates ceaselessly, so that two materials are fully mixed, then the carbon dioxide is introduced into the air inlet 36 and the lower air inlet 22 to participate in the reaction, salicylic acid generated by the reaction is smashed into powder through the stirring paddle 6 and the fixing paddle 7, the steam can be introduced into the water inlet 37 for heating, the temperature can be adjusted timely, the large-capacity carboxylation reaction kettle can quickly complete chemical reaction, and the yield is improved.
The foregoing shows and describes the general principles, principal features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Large capacity carboxylation reation kettle, including the cylindric cauldron body, the sealed upper cover that has the ellipse circular form in cauldron body upper end, the sealed lower cover that has the ellipse circular form of lower extreme, the cauldron body with the periphery cladding of lower cover has the clamp cover, press from both sides the cover with the cauldron body with form a confined space between the lower cover, the bottom that presss from both sides the cover is equipped with the medium entry, the upper portion that presss from both sides the cover is equipped with the medium export, be equipped with the discharge gate on the lower cover, be equipped with manhole device, water inlet, steam inlet, air inlet, steam outlet, feed inlet, reserve mouth, safe valve port and sight glass on the upper cover, the top of upper cover is equipped with power device, power device includes motor, speed reducer and shaft coupling, the coupling joint (mixing) shaft is located in the cauldron body, its characterized in that: the (mixing) shaft is equipped with a plurality of layers of stirring rake along the axial, stirring rake one end fixed connection in on the (mixing) shaft, the other end with cauldron internal wall leaves the clearance that supplies powder form product to pass through, install a plurality of layers of fixed rake on the internal wall of cauldron, fixed rake is placed for strip and level, the both ends fixed mounting of fixed rake in on the internal wall of cauldron, the superiors the top of fixed rake is equipped with two-layerly the stirring rake, two-layerly be equipped with the one deck between the fixed rake the stirring rake, lower floor the fixed rake is located in the low head, lower floor the below of fixed rake is equipped with the one deck the stirring rake, adjacent the fixed rake with the stirring rake matches each other.
2. The high capacity carboxylation reaction kettle according to claim 1, wherein: only one fixed paddle is arranged on each layer, the included angle between every two adjacent fixed paddles is 60 degrees, and the projection intersection of every three adjacent fixed paddles is triangular.
3. The high capacity carboxylation reaction kettle of claim 1, wherein: two stirring paddles are arranged on each layer of the uppermost two layers of the stirring paddles and are symmetrically arranged relative to the stirring shaft.
4. The high capacity carboxylation reaction kettle according to claim 1, wherein: only one stirring paddle is arranged between the two layers of fixed paddles, and the two stirring paddles which are adjacent up and down are arranged on two opposite sides of the stirring shaft.
5. The high capacity carboxylation reaction kettle according to claim 1, wherein: the stirring shafts are symmetrically arranged relative to the two stirring paddles.
6. The high capacity carboxylation reaction kettle according to claim 1, wherein: a water receiving disc is arranged below the steam outlet, and a lower air inlet is arranged on the discharge port.
7. The high capacity carboxylation reaction kettle according to claim 1, wherein: the number of the medium outlets is two, and the two medium outlets are symmetrical about the jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123320695.6U CN216799820U (en) | 2021-12-27 | 2021-12-27 | Large capacity carboxylation reation kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123320695.6U CN216799820U (en) | 2021-12-27 | 2021-12-27 | Large capacity carboxylation reation kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216799820U true CN216799820U (en) | 2022-06-24 |
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ID=82057208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123320695.6U Active CN216799820U (en) | 2021-12-27 | 2021-12-27 | Large capacity carboxylation reation kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216799820U (en) |
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2021
- 2021-12-27 CN CN202123320695.6U patent/CN216799820U/en active Active
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