CN215087169U - A easily cool down reation kettle for cyanate polymerization - Google Patents
A easily cool down reation kettle for cyanate polymerization Download PDFInfo
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- CN215087169U CN215087169U CN202121609883.8U CN202121609883U CN215087169U CN 215087169 U CN215087169 U CN 215087169U CN 202121609883 U CN202121609883 U CN 202121609883U CN 215087169 U CN215087169 U CN 215087169U
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Abstract
The utility model discloses an easy-cooling reaction kettle for cyanate polymerization, which comprises a kettle body assembly, a cover body assembly and a stirring mechanism, wherein the cover body assembly is arranged above the kettle body assembly, and the stirring mechanism is arranged on the cover body assembly; the kettle body assembly comprises a kettle body, a first cooling shell is fixed on the outer side of the kettle body, a second cooling shell is arranged on the outer side of the first cooling shell, and the second cooling shell is fixed on the outer wall of the kettle body; the cover body assembly comprises a cover body, a third cooling shell is fixedly sleeved above the cover body, and a third cavity is formed between the third cooling shell and the cover body; the bottom end of the cover body is matched and fixed with the top end of the kettle body. The first cavity and the second cavity respectively cool the materials at the middle part and the bottom part of the kettle body, so that the materials in the kettle body have higher cooling efficiency; the stirring rake upwards surges the bottom material, and the agitator frame rotates the material to the inner wall of cauldron body on, makes the material carry out the heat transfer with first cavity and second cavity fully.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, specifically, relate to an easily cooling reation kettle for cyanate polymerization.
Background
The existing cyanate ester polymerization process comprises the following steps: feeding reaction raw materials into a reaction kettle at one time, quickly heating until a monomer is melted, starting stirring, then continuously heating, monitoring the polymerization degree and viscosity change of the materials in real time, and adding butanone into the reaction kettle to cool and terminate the reaction when the polymerization degree and viscosity reach the process indexes. The cyanate polymerization process requires that the reaction kettle has high-efficiency cooling capacity, and when the cooling capacity of the reaction kettle is insufficient, the polymerization reaction is easy to lose control, so that the whole reaction system emits a large amount of heat, the pressure in the reaction kettle is suddenly increased, and dangerous accidents are caused. Therefore, the problem that needs to be solved is to design an easy-cooling reaction kettle for cyanate ester polymerization.
The utility model CN211216685U discloses a rapid cooling system for polymerization reaction kettle, by setting a cooling mechanism, two delivery pumps deliver the cooling water in the cooling tank to the inside of a first cooling chamber and a second cooling chamber, the surface of an inner isolation shell is provided with an annular cooling groove, the contact area between the material in the inner isolation shell and the first cooling chamber and the second cooling chamber is increased, the cooling water enters the first cooling chamber and the second cooling chamber and then is divided for rapid cooling, then the cooling water absorbing heat inside is delivered to the inside of a condenser through a water outlet pipe and is cooled and then enters the cooling tank, compared with the prior art, the separation cooling mode is adopted to separate the heat in the inner isolation shell for cooling, the heat conduction between the cooling water is reduced, the efficiency of the cooling water absorbing heat is improved, and the contact area between the inner space of the inner isolation shell and the cooling water is increased, thereby improving the cooling speed; however, the cooling system occupies a large amount of space inside the reaction kettle, and materials inside the isolation shell cannot be well circulated, so that the consistency of the components of the materials is influenced.
SUMMERY OF THE UTILITY MODEL
For the not enough technical problem of cyanate polymerization cauldron cooling ability that exists among the solution prior art, the utility model provides an easily cool down reation kettle for cyanate polymerization.
The purpose of the utility model can be realized by the following technical scheme:
an easy-cooling reaction kettle for cyanate polymerization comprises a kettle body assembly, a cover body assembly and a stirring mechanism, wherein the cover body assembly is arranged above the kettle body assembly, and the stirring mechanism is arranged on the cover body assembly;
the kettle body assembly comprises a kettle body, a first cooling shell is fixedly arranged in the middle of the outer side of the kettle body in a surrounding mode, a first cavity is formed between the first cooling shell and the kettle body, a second cooling shell is arranged on the outer side of the first cooling shell, the second cooling shell is fixedly sleeved on the outer wall of the kettle body in a sleeved mode, and a second cavity is formed between the second cooling shell and the kettle body;
the cover body assembly comprises a cover body, a third cooling shell is fixedly sleeved above the cover body, and a third cavity is formed between the third cooling shell and the cover body; the bottom end of the cover body is matched and fixed with the top end of the kettle body.
Furthermore, a second inlet is arranged below one side of the second cooling shell, a second outlet is arranged above the other side of the second cooling shell, and the second inlet and the second outlet are communicated with the second cavity; a first inlet is arranged below one side of the first cooling shell, a first outlet is arranged above the other side of the first cooling shell, and the first inlet and the first outlet both penetrate through the second cooling shell and are communicated with the first cavity; the bottom of the kettle body is provided with a discharge port, and a discharge valve is fixedly mounted at the bottom end of the discharge port.
Furthermore, a third inlet is formed in one side of the top end of the third cooling shell, a third outlet is formed in the other side of the top end of the third cooling shell, and the third inlet and the third outlet are communicated with the third cavity; the top of lid body is equipped with a plurality of evenly distributed's inlet pipe, the inlet pipe runs through the third cooling shell and is linked together with the lid body is inside.
Further, rabbling mechanism includes motor, fixed cover and (mixing) shaft, the bottom fixedly connected with mount pad of fixed cover, all sides bottom and the lid body fixed connection of mount pad, all sides top and the third cooling shell fixed connection of mount pad, the top and the motor fixed connection of fixed cover, the top of (mixing) shaft is located fixed cover inside, and shaft coupling fixed connection is passed through with the output of motor in the (mixing) shaft top, and the (mixing) shaft rotates with the mount pad to be connected, and the bottom of (mixing) shaft rotates installs the support, the bottom inner wall fixed connection of support and cauldron body, the top of support are equipped with the stirring rake, stirring rake and (mixing) shaft fixed connection, the top of stirring rake is equipped with the stirring frame, stirring frame and (mixing) shaft fixed connection.
Further, a thermometer is installed on the outer side of the second cooling shell, and a temperature measuring end of the thermometer is located inside the kettle body.
Further, a pressure gauge is installed at the top end of the third cooling shell, and a detection end of the pressure gauge is located inside the cover body.
The utility model has the advantages that:
the utility model discloses a set up first cooling shell and second cooling shell in the outside of cauldron body, form first cavity and second cavity respectively, pour into after coolant into in the first cavity, carry out quick heat transfer cooling to the material at cauldron body middle part, pour into coolant into in the second cavity after, carry out quick heat transfer cooling to the material of cauldron body bottom, a large amount of coolant in the second cavity can also cool off the coolant in the first cavity simultaneously, guarantee the higher cooling efficiency of cauldron body middle part material; the stirring paddles positioned at the bottom can upwards surge materials at the bottom of the kettle body, and meanwhile, the stirring frame can accelerate the upwards surged materials to rotate to the inner wall of the kettle body, so that the materials can fully exchange heat with the first cavity and the second cavity and reduce the temperature;
the third cooling shell is arranged above the cover body to form a third cavity, and after cooling medium is injected into the third cavity, high-temperature steam in the cover body can be cooled, so that the pressure of the high-temperature steam can be reduced, and the use safety of the whole reaction kettle is improved; on the other hand, the temperature of the high-temperature steam is reduced, so that the cooling of the materials in the kettle body is facilitated, and the cooling efficiency of the materials can be further accelerated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an easy-cooling reaction kettle for cyanate ester polymerization according to the present invention;
FIG. 2 is a schematic structural view of the kettle assembly of the present invention;
fig. 3 is a schematic structural view of the cover assembly of the present invention;
fig. 4 is a schematic structural diagram of the stirring mechanism of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a kettle body assembly; 101. a kettle body; 102. a first cooling shell; 1021. a first inlet; 1022. a first outlet; 103. a second cooling shell; 1031. a second inlet; 1032. a second outlet; 104. a discharge valve; 2. a cover assembly; 201. a cover body; 202. a third cooling shell; 2021. a third inlet; 2022. a third outlet; 203. a feed pipe; 204. a mounting seat; 3. a stirring mechanism; 301. a motor; 302. fixing a sleeve; 303. a stirring shaft; 304. a stirring frame; 305. a stirring paddle; 306. a support; 4. a thermometer; 5. and a pressure gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, an easy-cooling reaction kettle for cyanate ester polymerization comprises a kettle body assembly 1, a cover body assembly 2 and a stirring mechanism 3, wherein the cover body assembly 2 is installed above the kettle body assembly 1, and the stirring mechanism 3 is installed on the cover body assembly 2;
the kettle body assembly 1 comprises a kettle body 101, a first cooling shell 102 is fixedly arranged at the middle part of the outer side of the kettle body 101 in a surrounding mode, a first cavity is formed between the first cooling shell 102 and the kettle body 101 and is used for cooling materials in the middle of the kettle body 101, a second cooling shell 103 is arranged on the outer side of the first cooling shell 102, the second cooling shell 103 is fixedly sleeved on the outer wall of the kettle body 101 in a sleeved mode, a second cavity is formed between the second cooling shell 103 and the kettle body 101 and is used for cooling the materials at the bottom of the kettle body 101 and meanwhile can exchange heat with the first cavity;
the cover body assembly 2 comprises a cover body 201, a third cooling shell 202 is fixedly sleeved above the cover body 201, a third cavity is formed between the third cooling shell 202 and the cover body 201, and the third cavity is used for cooling high-temperature steam in the cover body 201; the bottom of lid body 201 is fixed with the top cooperation of cauldron body 101, can wholly dismantle, is convenient for wash and maintain the inside of cauldron body 101.
A second inlet 1031 is arranged below one side of the second cooling shell 103, a second outlet 1032 is arranged above the other side of the second cooling shell 103, and both the second inlet 1031 and the second outlet 1032 are communicated with the second cavity; a first inlet 1021 is arranged below one side of the first cooling shell 102, a first outlet 1022 is arranged above the other side of the first cooling shell 102, and the first inlet 1021 and the first outlet 1022 both penetrate through the second cooling shell 103 and are communicated with the first cavity; the bottom of cauldron body 101 is equipped with the discharge gate, the bottom installation of discharge gate is fixed with bleeder valve 104.
A third inlet 2021 is formed in one side of the top end of the third cooling shell 202, a third outlet 2022 is formed in the other side of the top end of the third cooling shell 202, and both the third inlet 2021 and the third outlet 2022 are communicated with the third cavity; the top of lid body 201 is equipped with a plurality of evenly distributed's inlet pipe 203, inlet pipe 203 runs through third cooling shell 202 and is linked together with lid body 201 is inside.
The stirring mechanism 3 comprises a motor 301, a fixed sleeve 302 and a stirring shaft 303, the bottom end of the fixed sleeve 302 is fixedly connected with an installation base 204, the bottom end of the circumferential side of the installation base 204 is fixedly connected with the cover body 201, the top end of the circumferential side of the installation base 204 is fixedly connected with a third cooling shell 202, the top end of the fixed sleeve 302 is fixedly connected with the motor 301, the top end of the stirring shaft 303 is positioned inside the fixed sleeve 302, the top end of the stirring shaft 303 is fixedly connected with the output end of the motor 301 through a shaft coupler, the stirring shaft 303 is rotatably connected with the installation base 204, a support 306 is rotatably installed at the bottom end of the stirring shaft 303, the support 306 is fixedly connected with the inner wall of the bottom end of the kettle body 101, the support 306 enables the stirring shaft 303 to be more stable in the process of stirring materials, a stirring paddle 305 is arranged above the support 306, the stirring paddle 305 is fixedly connected with the stirring shaft 303, and a stirring frame 304 is arranged above the stirring paddle 305, stirring frame 304 and (mixing) shaft 303 fixed connection, stirring rake 305 can upwards billowing the material of cauldron body 101 bottom, makes the material intensive mixing, and the composition is even, and stirring frame 304 is pushed the material to the inner wall of cauldron body 101 through the rotation, makes the better and first cavity of material carry out the heat transfer, is favorable to material cooling.
Thermometer 4 is installed in the outside of second cooling shell 103, inside the temperature measurement end of thermometer 4 was located cauldron body 101, was convenient for carry out real time monitoring to material temperature variation, adjusts cooling medium's flow velocity according to temperature variation.
The working principle is as follows:
in the process of producing the cyanate, firstly, reaction raw materials are put into the kettle body 101 from the feeding pipe 203 at one time, the motor 301 is started while the temperature is raised, the output end of the motor 301 drives the stirring shaft 303 to rotate, the stirring shaft 303 drives the stirring paddle 305 and the stirring frame 304 to rotate, the temperature is continuously raised, and when the polymerization degree and the viscosity of the materials reach the process standard, butanone is added into the kettle body 101 and the temperature is reduced to terminate the reaction;
in the cooling process, cooling media are respectively injected into the first cavity, the second cavity and the third cavity from the first inlet 1021, the second inlet 1031 and the third inlet 2021, the cooling media respectively flow out from the first outlet 1022, the second outlet 1032 and the third outlet 2022 after fully exchanging heat with the materials in the kettle body 101, and the cooling media are repeatedly recycled after being cooled;
in the process that the stirring shaft 303 drives the stirring paddle 305 and the stirring frame 304 to rotate, the stirring paddle 305 turns up the material at the bottom of the kettle body 101 to exchange heat with the cooling medium in the second cavity, so as to prevent the material at the bottom from being overheated, the stirring frame 304 pushes the material in the middle of the kettle body 101 to the side wall to exchange heat with the cooling medium in the first cavity, and the cooling rate of the material in the middle of the kettle body 101 is accelerated; the heat exchange between the hot steam accumulated in the cover body 201 and the cooling medium in the third cavity reduces the temperature at the upper part of the kettle body 101 and the temperature inside the cover body 201, reduces the reaction pressure, reduces the influence of the hot air at the upper part on the temperature reduction, and further accelerates the temperature reduction rate of the whole reaction;
after the reaction is finished, the discharge valve 104 is opened, and the materials in the kettle body 101 are discharged from the discharge port, so that the polymerization process of the cyanate is completed.
In the description of the specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the structure of the invention and various modifications, additions or substitutions as are known to those skilled in the art may be made to the described embodiments without departing from the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The utility model provides an easy cooling reation kettle for cyanate polymerization which characterized in that: the device comprises a kettle body assembly (1), a cover body assembly (2) and a stirring mechanism (3), wherein the cover body assembly (2) is arranged above the kettle body assembly (1), and the stirring mechanism (3) is arranged on the cover body assembly (2);
the kettle body assembly (1) comprises a kettle body (101), a first cooling shell (102) is fixed in the middle of the outer side of the kettle body (101), a first cavity is formed between the first cooling shell (102) and the kettle body (101), a second cooling shell (103) is arranged on the outer side of the first cooling shell (102), the second cooling shell (103) is fixed on the outer wall of the kettle body (101), and a second cavity is formed between the second cooling shell (103) and the kettle body (101);
the cover body assembly (2) comprises a cover body (201), a third cooling shell (202) is fixed above the cover body (201), and a third cavity is formed between the third cooling shell (202) and the cover body (201); the cover body (201) is matched and fixed with the kettle body (101).
2. The easy-cooling reaction kettle for cyanate ester polymerization according to claim 1, wherein: a second inlet (1031) and a second outlet (1032) are arranged on the side wall of the second cooling shell (103), and the second inlet (1031) and the second outlet (1032) are both communicated with the second cavity; the side wall of the first cooling shell (102) is provided with a first inlet (1021) and a first outlet (1022), and the first inlet (1021) and the first outlet (1022) both penetrate through the second cooling shell (103) and are communicated with the first cavity.
3. The easy-cooling reaction kettle for cyanate ester polymerization according to claim 1, wherein: a third inlet (2021) and a third outlet (2022) are formed in the top end of the third cooling shell (202), and the third inlet (2021) and the third outlet (2022) are both communicated with the third cavity; the top of the cover body (201) is communicated with a plurality of uniformly distributed feeding pipes (203).
4. The easy-cooling reaction kettle for cyanate ester polymerization according to claim 1, wherein: stirring mechanism (3) are including motor (301), fixed cover (302) and (mixing) shaft (303), the bottom fixedly connected with mount pad (204) of fixed cover (302), mount pad (204) and lid body (201) and third cooling shell (202) fixed connection, the top and motor (301) fixed connection of fixed cover (302), coupling joint is passed through with the output of motor (301) on (mixing) shaft (303) top, (mixing) shaft (303) rotate with mount pad (204) and are connected, and support (306) are installed in the bottom rotation of (mixing) shaft (303), support (306) and the bottom inner wall fixed connection of cauldron body (101), be fixed with stirring rake (305) on (mixing) shaft (303), the top of stirring rake (305) is equipped with agitator frame (304), agitator frame (304) and (mixing) shaft (303) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121609883.8U CN215087169U (en) | 2021-07-15 | 2021-07-15 | A easily cool down reation kettle for cyanate polymerization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121609883.8U CN215087169U (en) | 2021-07-15 | 2021-07-15 | A easily cool down reation kettle for cyanate polymerization |
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| Publication Number | Publication Date |
|---|---|
| CN215087169U true CN215087169U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121609883.8U Active CN215087169U (en) | 2021-07-15 | 2021-07-15 | A easily cool down reation kettle for cyanate polymerization |
Country Status (1)
| Country | Link |
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| CN (1) | CN215087169U (en) |
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2021
- 2021-07-15 CN CN202121609883.8U patent/CN215087169U/en active Active
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