CN217248932U - Chemical reaction kettle capable of efficiently stirring and cooling - Google Patents

Abstract

The utility model provides a chemical reaction kettle which can be efficiently stirred and cooled, which comprises a tank body, a stirring device arranged on the tank body, and a cooling circulation system arranged on the stirring device; a cavity is formed inside the tank body; the stirring device comprises a rotating motor arranged outside the tank body, a rotating shaft fixedly connected to the output end of the rotating motor, and a stirring part rotating along the axial direction of the rotating shaft; cooling circulation system is including setting up at the condensing box of pivot upper end and along the cooling runner of pivot axial extension to stirring portion, and cooling runner is including setting up stirring portion is because of the first runner that self formed, first runner one end and the first export intercommunication of condensing box, the other end of first runner and the first entry intercommunication of condensing box. The utility model discloses a cooling portion of setting in stirring portion carries out the heat transfer cooling to the temperature in the reation kettle inner chamber, improves reation kettle's cooling effect, avoids phenomenons such as cracks or explosion that reation kettle central temperature is too high to arouse.

Description

Chemical reaction kettle capable of efficiently stirring and cooling

Technical Field

The utility model relates to a chemical industry reaction technical field, in particular to but refrigerated chemical industry reation kettle of high-efficient stirring.

Background

The reaction kettle is widely applied to industries such as petroleum, chemical industry, rubber, pesticides, dyes, medicines, foods and the like, the chemical reaction kettle is used for completing pressure containers in technological processes such as vulcanization, nitration, hydrogenation, polymerization, condensation and the like, such as a reactor, a reaction pot, a decomposition pot, a polymerization kettle and the like, the heating, evaporation, cooling and low-speed and high-speed mixing functions of technological requirements are realized through the structural design and parameter configuration of the containers, and materials are subjected to physical and chemical reactions in the kettle according to production technological parameters to produce products meeting the quality requirements.

When the reaction kettle is operated and stirred, the phenomena of expansion of gas in the kettle, pressure rise, temperature rise and the like are easily caused by reaction, and accidents such as cracks and even explosion of the reaction kettle can be seriously caused.

When current chemical industry reation kettle mixes the stirring, can not make raw material mixing abundant, the mode that same plane that agitating unit in its reation kettle adopted most stirs, in order to make each plane stir in the reation kettle, set up a plurality of stirring vane mostly on the high position of (mixing) shaft, because reation kettle is bulky, it can make the stirring vane who sets up in agitating unit height increase to consider a plurality of planes to set up stirring vane, make whole reation kettle weight strengthen, bring the difficulty for production and maintenance.

The cooling system of the reaction kettle in the prior art is mostly a cooling coating structure which can exchange heat and is arranged on the outer wall of the tank body, and the cooling mode can not reduce the material temperature of the central position of the reaction kettle, so that the cooling efficiency is low, and the energy consumption is high.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a chemical industry reation kettle that high-efficient stirring can be refrigerated to reach high-efficient stirring and high-efficient refrigerated effect.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an efficient stirring coolable chemical reaction kettle, comprising:

the device comprises a tank body, a stirring device and a cooling circulating system;

a cavity is formed inside the tank body;

the stirring device comprises a rotating motor arranged outside the tank body, a rotating shaft fixedly connected to the output end of the rotating motor, and a stirring part rotating along the axial direction of the rotating shaft;

cooling circulation system is including setting up jar external portion's condensing box and edge the pivot axial extends to the cooling runner of stirring portion, the cooling runner is including setting up stirring portion is because of the first runner that self formed, first runner one end with the first export intercommunication of condensing box, the other end of first runner with the first entry intercommunication of condensing box.

Further, the stirring part comprises a stirring sleeve sleeved on the rotating shaft and a plurality of stirring blades arranged at intervals along the axial direction of the rotating shaft, each stirring blade comprises a blade shaft connected with the stirring sleeve and two sub-blades arranged oppositely, and each sub-blade is respectively in pivot connection with the blade shaft;

and a driving mechanism for driving the two sub-blades to open and close relatively is arranged between at least one of the stirring blades and the stirring sleeve.

Furthermore, the driving mechanism comprises a driving part fixedly connected to the stirring sleeve and a link mechanism arranged at the output end of the driving part, and the link mechanism comprises a first connecting rod hinged at the output end of the driving part, a second connecting rod with one end hinged to the first connecting rod and a third connecting rod with one end hinged to the first connecting rod; the second connecting rod and the third connecting rod are respectively hinged with the two sub-blades.

Furthermore, the cooling cavity comprises a second flow channel formed along the axial direction of the rotating shaft and a plurality of third flow channels vertically arranged at the lower end of the second flow channel and communicated with the second flow channel; the second flow passage is connected with the first outlet;

the first flow channel comprises a fourth flow channel and a fifth flow channel, wherein the fourth flow channel is formed along the axis of the blade shaft, and one end of the fifth flow channel is communicated with the fourth flow channel;

the fifth flow channel is a flow channel which is arranged in the sub-blade and formed by itself and is arranged in a circuitous shape;

the third flow channel is connected with the fourth flow channel and corresponds to the fourth flow channel one by one;

the other end of the fifth flow passage is communicated with the first inlet.

Further, the cooling cavity further comprises a self-formed sixth flow channel arranged along the axial direction of the rotating shaft; one end of the sixth flow channel is communicated with the other end of the fifth flow channel, and the other end of the sixth flow channel is connected to the first inlet.

Further, the pushing device is an electric cylinder.

Furthermore, the sub-blades are hinged with the second connecting rod through a universal ball head;

the sub-blades are also hinged with the third connecting rod through universal ball heads.

Furthermore, a pressure control valve is also arranged on the tank body.

Further, the tank body comprises a tank body main body formed with the cavity, and an outer shell wrapped outside the tank body main body, and a cooling cavity is formed between the inner shell and the outer shell.

Further, the condenser box is provided with a second outlet and a second inlet;

the cooling cavity inlet is communicated with the second outlet;

the cooling cavity outlet is in communication with the second inlet.

Compared with the prior art, the utility model discloses following advantage has:

the utility model discloses a cooling portion of setting in stirring portion carries out the heat transfer cooling to the temperature in the reation kettle inner chamber, and the coolant liquid after the heat transfer is through recycling after the cooling of condensation box once more. The cooling effect of the reaction kettle is improved, and the phenomena of cracks or explosion and the like caused by overhigh central temperature of the reaction kettle are avoided.

Furthermore, stirring vane in stirring process, produce the action of rotatory luffing motion again promptly, raw materials in the reation kettle is when forming swirl pivoted, stirring vane swings, can improve the homogeneity that the raw materials mixes, and then improves stirring effect.

In addition, the cooling liquid flows to the arched pipelines on the auxiliary pipelines from the main horizontal pipeline, is scattered along the arched pipelines, flows into the vertical pipelines and flows back to the reflux cavity, and then flows into the cooling cavity through the refrigeration equipment for circulating cooling again. The cooling liquid is redistributed to the stirring blades through the flow rotating shaft, and is fully contacted with the raw materials at the center of the tank body, so that the center of the tank body is gradually cooled to the wall of the tank, and the cooling efficiency is improved.

In addition, pour into the cooling liquid setting in the condensing box in the cooling chamber of jar external wall into to the circulation gets back to the condensing box and recools, with foretell stirring portion combined action, plays effectual cooling effect.

Drawings

The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:

FIG. 1 is a schematic structural view of a high-efficiency stirring coolable chemical reaction kettle according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a stirring section according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cooling circulation system according to an embodiment of the present invention.

Description of reference numerals:

1. a tank body; 2. a stirring device; 3. a cooling circulation system; 4. a pressure control valve; 5. a feed inlet; 6. a cooling chamber;

21. rotating the motor; 22. a rotating shaft; 23. a stirring section; 24. a stirring blade; 31. a condenser tank;

231. a link mechanism; 232. a stirring sleeve; 233. a drive section; 234. a connecting plate; 241. a blade shaft; 242. dividing blades; 311. a first outlet; 312. a second outlet; 313. a second inlet; 314. a first inlet; 321. a second flow passage; 322. a third flow path; 331. a first flow passage; 323. a sixth flow path;

2311. a first link; 2312. a second link; 2313. a third link; 3311. a fourth flow channel; 3312. and a fifth flow passage.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless expressly limited otherwise. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A chemical reaction kettle capable of efficiently stirring and cooling comprises a tank body 1, a stirring device 2 and a cooling circulation system 3; a cavity is formed inside the tank body 1; the stirring device 2 comprises a rotating motor 21 arranged outside the tank body 1, a rotating shaft 22 fixedly connected to the output end of the rotating motor 21, and a stirring part 23 rotating along the axial direction of the rotating shaft 22; the cooling circulation system 3 comprises a condensation tank 31 fixedly arranged outside the tank body 1 and a cooling flow channel axially extending to the stirring part 23 along the rotating shaft 22, the cooling flow channel comprises a first flow channel 331 formed in the stirring part 23 due to the first flow channel 331, one end of the first flow channel 331 is communicated with a first outlet 311 of the condensation tank 31, and the other end of the first flow channel 331 is communicated with a first inlet 314 of the condensation tank 31.

The process of stirring the raw materials put into the inner cavity of the tank body 1 is mainly carried out by driving the stirring part 23 through the rotating motor 21; in addition, the temperature of the inner cavity of the tank body 1 is subjected to heat exchange cooling through a cooling flow passage arranged on the stirring part 23, and the cooling liquid after heat exchange is cooled again through the condensing box 31 and then recycled. The cooling effect of the reaction kettle is improved, and the phenomena of cracks or explosion and the like caused by overhigh central temperature of the reaction kettle are avoided.

As a preferred embodiment, as shown in fig. 1 to fig. 3, a pressure control valve 4 is disposed at the upper end of the tank 1 for controlling the pressure in the reaction kettle, the rotary motor 21 is a shaftless motor, the rotary shaft 22 is fixedly connected to the output end of the rotary motor 21 through a key connection, the rotary shaft 22 protrudes out of the upper end of the rotary motor 21 and is connected to the outlet of the condensation box 31, the condensation box 31 is fixedly connected to the tank 1 by a support and is disposed at the upper end of the rotary shaft 22 at intervals, the condensation box 31 is provided with a first outlet 311 and a first inlet 314, the condensation box 31 is provided with a pre-cooling chamber and a return chamber, the pre-cooling chamber is connected to a refrigeration device, the refrigerated coolant is sent to the first flow channel 331 in the stirring portion 23 through the first outlet 311 of the condensation box 31, and then sent to the return chamber through the first inlet 314 after heat exchange. In this embodiment, the first outlet 311 of the condensation box 31 is provided with a rotatable quick connector, the inlet of the first flow passage 331 is also provided with a rotatable quick connector, and the two quick connectors are connected by a hose. In addition, the outlet of the first flow path 331 and the first inlet 314 of the condensation box 31 are also provided with a rotatable quick-connect coupling, and the two quick-connect couplings are connected by a hose to prevent the hose from winding when the rotating shaft 22 rotates.

In addition, a one-way valve is arranged between the backflow cavity and the precooling cavity, and the cooling liquid in the backflow cavity can only flow into the precooling cavity but cannot flow back. A pressure pump is also provided in the condensation tank 31 to ensure the circulation of the cooling fluid. In addition, still be equipped with feed inlet 5 on jar body 1, conveniently throw the material, when reation kettle began work, closed feed inlet 5.

In addition, the stirring part 23 comprises a stirring sleeve 232 sleeved on the rotating shaft 22 and a plurality of stirring blades 24 arranged at intervals along the axial direction of the rotating shaft 22, each stirring blade 24 comprises a blade shaft 241 connected with the stirring sleeve 232 and two sub-blades 242 arranged oppositely, and each sub-blade 242 is respectively and pivotally connected with the blade shaft 241; and a driving mechanism for driving the two sub-blades 242 to open and close relatively is arranged between at least one stirring blade 24 and the stirring sleeve 232. In a specific structure, as shown in fig. 1 to fig. 2, in an implementation manner of this embodiment, three stirring blades 24 are uniformly distributed and arranged on an axial circumference of the stirring sleeve 232, each stirring blade 24 includes two sub-blades 242, a blade shaft 241 is rotatably connected between the two sub-blades 242, and the blade shaft 241 is fixedly connected with the stirring sleeve 232. In a specific embodiment, the three driving mechanisms drive the three stirring blades 24 at the same time or at different times, so as to balance the effective thrust force, thereby ensuring the up-and-down swinging motion of the two sub-blades 242.

In addition, a connecting plate 234 is fixedly connected to the upper end of the stirring sleeve 232, and a driving mechanism is provided directly above each stirring blade 24, but in other embodiments, each stirring blade 24 may be connected, and the two opposite sub-blades 242 may be driven to open and close by one driving mechanism.

In other embodiments, the stirring sleeve 232 can be spirally connected with the rotating shaft 22, the rotating shaft 22 is provided with a spiral groove, the stirring sleeve 232 is provided with a sliding block capable of sliding in the spiral groove, the stirring sleeve 232 moves spirally along the rotating shaft 22 under the action of gravity, and the stirring blade 24 can swing when stirring the raw materials up and down in the reaction kettle, so that the stirring is more uniform, and the stirring effect is improved.

Of course, in another embodiment, a pushing cylinder or an air cylinder may be disposed between the rotating motor 21 and the tank 1, and the rotating motor 21 is fixedly connected to an output end of the pushing cylinder or the air cylinder, so that the stirring blade 24 can be swung while stirring the raw materials up and down in the reaction kettle.

As a preferred embodiment of the present invention, as shown in fig. 2, the driving mechanism includes a driving portion 233 fixedly connected to the stirring sleeve 232, and a link mechanism 231 provided at an output end of the driving portion 233, where the link mechanism 231 includes a first link 2311 hinged at the output end of the driving portion 233, a second link 2312 hinged at one end to the first link 2311, and a third link 2313 hinged at one end to the first link 2311; the second link 2312 and the third link 2313 are respectively hinged with the two sub-blades 242. In this embodiment, the second link 2312 and the third link 2312 are symmetrically disposed at two sides of the first link 2311 and are disposed at a certain angle. The second link 2312 and the third link 2313 may be equal in length or different in length. In addition, the sub-blades 242 are hinged with the second connecting rod 2312 through a universal ball head; the sub-blades 242 and the third connecting rod 2313 are also hinged through a universal ball head. The driving unit 233 is a waterproof and corrosion-resistant electric cylinder. Of course, the two driving portions 233 may be used to drive the two sub-blades 242 to open and close.

The first link 2311 is driven to move up and down by the electric cylinder, the second link 2312 and the third link 2313 hinged to the first link 2311 rotate along with the first link 2311, the angle between the second link 2312 and the third link 2313 is correspondingly changed, and the stirring blade 24 hinged to the second link 2312 and the third link 2313 swings up and down along with the angle. In the stirring process, the stirring blades 24 generate actions of rotating and swinging up and down, and when the raw materials in the reaction kettle rotate in a vortex mode, the stirring blades 24 swing, so that the mixing uniformity of the raw materials can be improved, and the stirring effect is improved.

In a specific structure, as shown in fig. 1 and 3, the cooling channels include a second channel 321 formed axially along the rotating shaft 22 and a plurality of third channels 322 vertically disposed at a lower end of the second channel 321 and communicated with the second channel 321; the second flow passage 321 is connected to the first outlet 311; the first flow path 331 includes a fourth flow path 3311 formed along the axial center of the blade shaft 241 and a fifth flow path 3312 having one end communicating with the fourth flow path 3311; the fifth flow path 3312 is a self-formed meandering flow path provided in the minute blade 242; the fifth flow channels 3312 of the present embodiment are uniformly distributed on each of the sub-blades 242 in an arcuate shape, the fifth flow channels 3312 of the two opposite sub-blades 242 are symmetrically arranged, and the third flow channels 322 are connected to the fourth flow channels 3311 and are in one-to-one correspondence; the other end of the fifth flow passage 3312 communicates with the first inlet 314.

In addition, the cooling flow passage includes a self-formed sixth flow passage 323 provided in the axial direction of the rotating shaft 22; one end of the sixth flow passage 323 communicates with the other end of the fifth flow passage 3312, and the other end is connected to the first inlet 314.

In this embodiment, the cooling channels are all pipes with circular cross-sections, the diameter of the cross-section of the second channel 321 is larger than that of the cross-section of the fourth channel 3311, the cooling liquid flows to the third channel 322 along the second channel 321, the three third channels 322 are uniformly distributed along the circumference of the axis of the rotating shaft 22, the cooling liquid flows to the fourth channel 3311 along the third channel 322 until flowing into the end of the fourth channel 3311 and entering the fifth channel 3312, the cooling liquid spreads on the sub-blades 242 along the arcuate channel and then flows into the sixth channel 323 and flows back to the return cavity, and the cooling liquid flows into the cooling channels through the refrigeration equipment in the condensation box 31 for cooling again in a circulating manner. The cooling liquid is distributed on the stirring blades 24 through the flow rotating shaft 22, the heat conducting area is increased, the central position of the tank body 1 extends onto the distributing blades 242 and is fully contacted with the raw materials, the temperature of the center of the tank body 1 is gradually cooled, and the cooling efficiency is improved.

This chemical industry reation kettle's jar body 1 is including being formed with the jar body main part of cavity to and wrap up in the outside shell body of jar body main part, and be formed with cooling chamber 6 between jar body main part and shell body. The condensation tank 31 is provided with a second outlet 312 and a second inlet 313; the inlet of the cooling cavity 6 is communicated with the second outlet 312; the outlet of the cooling chamber 6 communicates with said second inlet 313. In this embodiment, the cooling liquid in the condensation tank 31 is injected into the cooling chamber 6 provided on the outer wall of the tank body 1, and is circulated back to the condensation tank 31 to be cooled again, and the cooling liquid and the stirring portion 23 described above work together to achieve an effective cooling effect.

In order to increase the safety of the reaction kettle, a pressure control valve 4 is also arranged on the tank body 1 for monitoring the pressure in the tank body 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a chemical industry reation kettle that high-efficient stirring can be refrigerated which characterized in that includes:

the device comprises a tank body (1), a stirring device (2) and a cooling circulating system (3);

a cavity is formed in the tank body (1);

the stirring device (2) comprises a rotating motor (21) arranged outside the tank body (1), a rotating shaft (22) fixedly connected to the output end of the rotating motor (21), and a stirring part (23) rotating along the axial direction of the rotating shaft (22);

the cooling circulation system (3) comprises a condensation box (31) arranged outside the tank body (1) and a cooling flow channel extending to the stirring part (23) along the axial direction of the rotating shaft (22), the cooling flow channel comprises a first flow channel (331) formed by the stirring part (23) due to the cooling flow channel, one end of the first flow channel (331) is communicated with a first outlet (311) of the condensation box (31), and the other end of the first flow channel (331) is communicated with a first inlet (314) of the condensation box (31).

2. The chemical reaction kettle capable of being cooled through high-efficiency stirring according to claim 1, is characterized in that:

the stirring part (23) comprises a stirring sleeve (232) sleeved on the rotating shaft (22) and a plurality of stirring blades (24) arranged at intervals along the axial direction of the rotating shaft (22), each stirring blade (24) comprises a blade shaft (241) connected with the stirring sleeve (232) and two sub-blades (242) arranged oppositely, and each sub-blade (242) is respectively in pivot connection with the blade shaft (241);

and a driving mechanism for driving the two sub-blades (242) to open and close relatively is arranged between at least one of the stirring blades (24) and the stirring sleeve (232).

3. The chemical reaction kettle capable of being cooled through high-efficiency stirring according to claim 2, is characterized in that:

the driving mechanism comprises a driving part (233) fixedly connected to the stirring sleeve (232) and a link mechanism (231) arranged at the output end of the driving part (233), and the link mechanism (231) comprises a first connecting rod (2311) hinged to the output end of the driving part (233), a second connecting rod (2312) with one end hinged to the first connecting rod (2311) and a third connecting rod (2313) with one end hinged to the first connecting rod (2311); the second connecting rod (2312) and the third connecting rod (2313) are respectively hinged with the two sub-blades (242).

4. A high efficiency stirred coolable chemical reactor as defined in claim 3, further comprising:

the cooling flow channel comprises a second flow channel (321) formed along the axial direction of the rotating shaft (22) and a plurality of third flow channels (322) which are vertically arranged at the lower end of the second flow channel (321) and communicated with the second flow channel (321); the second flow passage (321) is connected with the first outlet (311);

the cooling flow channel also comprises a fourth flow channel (3311) and a fifth flow channel (3312), wherein the fourth flow channel (3311) is formed along the axis of the blade shaft (241), and one end of the fifth flow channel is communicated with the fourth flow channel (3311);

the fifth flow channel (3312) is a flow channel which is formed in the sub-blade (242) in a self-formed and roundabout manner;

the third flow passages (322) are connected with the fourth flow passages (3311) and correspond to one another.

5. The chemical reaction kettle capable of being cooled through high-efficiency stirring according to claim 4, is characterized in that:

the cooling flow passage further comprises a self-formed sixth flow passage (323) arranged axially along the rotating shaft (22); one end of the sixth flow passage (323) is communicated with the fifth flow passage (3312), and the other end is connected to the first inlet (314).

6. A high-efficiency stirring coolable chemical reaction kettle as recited in claim 3, wherein:

the driving part (233) is an electric cylinder.

7. A high efficiency stirred coolable chemical reactor as defined in claim 3, further comprising:

the sub-blades (242) are hinged with the second connecting rod (2312) through a universal ball joint;

the sub-blades (242) are hinged with the third connecting rod (2313) through a universal ball head.

8. The chemical reaction kettle capable of being cooled through high-efficiency stirring according to claim 1, is characterized in that:

and the tank body (1) is also provided with a pressure control valve (4).

9. The chemical reaction kettle capable of being cooled through high-efficiency stirring according to claim 1, is characterized in that:

the tank body (1) comprises a tank body main body and an outer shell, wherein the tank body main body is provided with the cavity, the outer shell wraps the outer part of the tank body main body, and a cooling cavity (6) is formed between the outer shell and the tank body main body.

10. The chemical reaction kettle capable of being cooled through high-efficiency stirring according to claim 9, is characterized in that:

the condensation tank (31) is provided with a second outlet (312) and a second inlet (313);

the cooling cavity (6) inlet is communicated with the second outlet (312);

the outlet of the cooling cavity (6) is communicated with the second inlet (313).

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