CN215464383U - Polymerization kettle - Google Patents

Abstract

The utility model discloses a polymerization kettle, which comprises: a reaction cavity is arranged in the kettle body; the stirrer is arranged on the kettle body and positioned in the reaction cavity; the transmission device is arranged on the kettle body, is connected with the stirrer and is used for driving the stirrer to rotate; the agitator includes the (mixing) shaft of being connected with the transmission and sets up at the epaxial antiseized stirring rake of stirring, antiseized stirring rake include with the connecting rod of agitator shaft connection and with the connecting rod be connected and with the first blade of cauldron internal wall butt. Set up antiseized stirring rake in the polymeric kettle, the first blade with the internal wall butt of cauldron in the antiseized stirring rake can be under transmission's drive, shovel the reactant that adheres to on the internal wall of cauldron, improve the reaction efficiency in the polymeric kettle, and then improve production efficiency.

Description

Polymerization kettle

Technical Field

The utility model relates to a polymerization kettle, and belongs to the field of chemical equipment.

Background

The polymerizer is the main equipment for preparing the high molecular compound. The existing polymerization kettle is generally provided with a stirrer, but the existing polymerization kettle generally adopts a common stirring blade, and when the polymerization reaction of high-viscosity materials is carried out, due to the high viscosity of reactants, insufficient stirring is easily caused, a large amount of reactants in the polymerization kettle are adhered to the inner wall of the polymerization kettle, and the reaction efficiency is reduced by a large amount of adhered substances, so that the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. To this end, the utility model proposes a polymerization vessel for high-viscosity reactants with an anti-sticking stirring paddle.

A polymerizer according to some embodiments of the utility model, comprises:

the reaction kettle comprises a kettle body, wherein a reaction cavity is arranged in the kettle body;

the stirrer is arranged on the kettle body and is positioned in the reaction cavity;

the transmission device is arranged on the kettle body, is connected with the stirrer and is used for driving the stirrer to rotate;

the agitator include with the (mixing) shaft that the transmission is connected and set up the epaxial antiseized stirring rake of stirring, antiseized stirring rake include with stirring shaft connection's connecting rod and with the connecting rod be connected and with the first blade of cauldron internal wall butt.

The polymerization kettle provided by the embodiment of the utility model has at least the following beneficial effects:

set up antiseized stirring rake in the polymeric kettle, the first blade with the internal wall butt of cauldron in the antiseized stirring rake can be under transmission's drive, shovel the reactant that adheres to on the internal wall of cauldron, improve the reaction efficiency in the polymeric kettle, and then improve production efficiency.

According to some embodiments of the utility model, the kettle body is composed of a cylinder body, and a first end enclosure and a second end enclosure which are respectively arranged at the upper end and the lower end of the cylinder body, the first blade comprises a straight blade and an arc-shaped blade arranged below the straight blade, the straight blade is abutted against the side wall of the cylinder body, and the arc-shaped blade is abutted against the arc-shaped wall surface of the second end enclosure.

According to some embodiments of the utility model, the anti-sticking paddle further comprises a second blade disposed on the link.

According to some embodiments of the utility model, the stirring shaft is provided with a plurality of turbulent stirring paddles, each turbulent stirring paddle comprises a mounting seat sleeved on the stirring shaft and a third blade obliquely arranged on the mounting seat, and the third blade is a long straight plate.

According to some embodiments of the utility model, the stirrer further comprises a stirring support arranged at the bottom of the kettle body, and a bearing for the stirring shaft to penetrate through is arranged on the stirring support.

According to some embodiments of the utility model, the reaction kettle further comprises a cooling device, wherein the cooling device comprises a first cooling device arranged on the kettle body and positioned in the reaction cavity and a second cooling device arranged on the periphery of the kettle body.

According to some embodiments of the utility model, the first cooling device comprises: first fluid inlet pipe, first fluid outlet pipe, first ring pipe, second ring pipe and cooling nest of tubes, first fluid inlet pipe with first fluid outlet pipe all sets up the cauldron is internal and with first ring union coupling, the cooling nest of tubes by many all with the parallel cooling tube of the lateral wall of the cauldron body constitutes, the cooling tube is long straight tube, first ring pipe with through a plurality of cooling nest of tubes coupling between the second ring pipe.

According to some embodiments of the utility model, the second cooling device comprises: the jacket is sleeved on the periphery of the kettle body and defines a second cooling cavity together with the outer wall of the kettle body, and the second fluid inlet pipe and the second fluid outlet pipe are arranged on the jacket and communicated with the second cooling cavity.

According to some embodiments of the utility model, the first fluid outlet tube is in communication with the second fluid inlet tube.

According to some embodiments of the utility model, the kettle body is provided with a manhole and a sight glass for inspecting the reaction chamber.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

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

FIG. 3 is a schematic structural diagram of the embodiment of FIG. 1;

FIG. 4 is a schematic structural diagram according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an anti-sticking stirring paddle according to an embodiment of the utility model.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the positional or orientational descriptions referred to, for example, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the positional or orientational relationships shown in the drawings and are for convenience of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, a polymerizer, comprises: the reaction kettle comprises a kettle body 100, wherein a reaction cavity is arranged in the kettle body 100; the stirrer 200 is arranged on the kettle body 100 and is positioned in the reaction cavity; the transmission device 300 is arranged on the kettle body 100, connected with the stirrer 200 and used for driving the stirrer 200 to rotate; the stirrer 200 comprises a stirring shaft 210 in transmission connection with the transmission device 300 and an anti-sticking stirring paddle 220 arranged on the stirring shaft 210, wherein the anti-sticking stirring paddle 220 comprises a connecting rod 221 connected with the stirring shaft 210 and a first blade 222 connected with the connecting rod 221 and abutted against the inner wall of the kettle body 100. Specifically, the kettle body 100 is a vertically arranged cylindrical shell, the upper end and the lower end of the kettle body are provided with end covers to form a sealed inner cavity, the inner cavity of the kettle body 100 is a reaction cavity for carrying out polymerization reaction on materials, the center of the kettle body 100 is provided with a stirrer 200 for stirring reactants to accelerate the reaction rate, and preferably, the stirrer 200 is abutted against the top and the bottom of the inner side of the kettle body 100. The top of the kettle body 100 is provided with a transmission device 300, the transmission device 300 comprises a driving motor and a coupler connected with the driving motor, and the transmission device 300 is used for driving the stirrer 200 to rotate. The stirrer 200 comprises a stirring shaft 210 connected with a coupler of the transmission device 300 and an anti-sticking stirring paddle 220 arranged on the stirring shaft 210, wherein the anti-sticking stirring paddle 220 comprises a connecting rod 221 connected with the stirring shaft 210 and a first blade 222 connected with the connecting rod 221, the anti-sticking stirring paddle 220 further comprises a connecting rod 221 mounting seat 231 which is used for mounting the connecting rod 221 on the stirring shaft 210 and is sleeved on the stirring shaft 210, a plurality of connecting rods 221 can be arranged on the connecting rod 221 mounting seat 231, and preferably, as shown in fig. 1, two connecting rods 221 are symmetrically arranged on the connecting rod 221 mounting seat 231. The first blade 222 is connected to an end of the connecting rod 221, and preferably, the first blade 222 may be welded to the connecting rod 221 to enhance the connection performance. The first blade 222 abuts against the inner wall of the kettle body 100, and preferably, the outer contour of the first blade 222 is attached to the inner wall of the kettle body 100. The stirring shaft 210 is rotated, and the anti-sticking stirring paddle 220 rotated therewith can scoop up the reactant adhered to the inner wall of the tank body 100 through the first blade 222. According to the utility model, the anti-sticking stirring paddle 220 is arranged in the polymerization kettle, and the first blade 222 which is abutted against the inner wall of the kettle body 100 in the anti-sticking stirring paddle 220 can scoop up the reactant adhered to the inner wall of the kettle body 100 under the driving of the transmission device 300, so that the reaction efficiency in the polymerization kettle is improved, and further the production efficiency is improved.

As shown in fig. 1 to 5, in some embodiments, the kettle body 100 is composed of a cylinder 110, and a first end enclosure 120 and a second end enclosure 130 respectively disposed at the upper end and the lower end of the cylinder 110, the first blade 222 includes a straight blade 223 and an arc-shaped blade 224 disposed below the straight blade 223, the straight blade 223 abuts against a sidewall of the cylinder 110, and the arc-shaped blade 224 abuts against an arc-shaped wall surface of the second end enclosure 130. Specifically, the cylinder 110 is a cylinder, and the sealing head is a revolving shell for sealing the end of the cylinder 110. The anti-sticking stirring paddle 220 is arranged at the lower half part of the kettle body 100, and because the kettle body 100 is vertically arranged, reactants are easy to accumulate at the bottom of the kettle body 100 and adhere to the wall surface at the bottom of the kettle body 100 under the action of gravity, and the anti-sticking stirring paddle 220 is arranged at the lower half part of the kettle body 100 and close to the bottom of the kettle body 100, so that the reactants adhered to the wall surface of the kettle body 100 can be effectively scooped up. Preferably, as shown in fig. 1, the first blade 222 is disposed at the junction of the cylinder 110 and the second head 130, the first blade 222 includes a straight blade 223 and an arc-shaped blade 224 connected below the straight blade 223, the straight blade 223 abuts against the side wall of the cylinder 110 and the extending direction of the straight blade 223 is consistent with the axial direction of the cylinder 110, the arc-shaped blade 224 is similar to the shape of the second head 130, the arc-shaped blade 224 is attached to the inner wall of the second head 130, and preferably, the straight blade 223 and the arc-shaped blade 224 are integrally formed. The overall strength of the first blade 222 is improved, the effect of scooping up the reactant adhered to the wall surface of the kettle body 100 is better, and the service life of the anti-sticking stirring paddle 220 can be prolonged.

As shown in fig. 1-5, in some embodiments, the anti-sticking paddle 220 further includes a second blade 225 disposed on the connecting rod 221. Specifically, the second blade 225 is plate-shaped and vertically disposed on the connecting rod 221, and when the anti-sticking stirring paddle 220 rotates, the second blade 225 can force the reactant to move toward the inner wall of the kettle body 100, so as to mix with the reactant scooped up by the first blade 222, thereby increasing the reaction rate. Preferably, the second blade 225 is also obliquely disposed on the connecting rod 221.

As shown in fig. 1 to 5, in some embodiments, a plurality of turbulent stirring paddles 230 are disposed on the stirring shaft 210, each turbulent stirring paddle 230 includes a mounting seat 231 disposed on the stirring shaft 210 in a sleeved manner and a third blade 232 disposed on the mounting seat 231 in an inclined manner, and the third blade 232 is a long straight plate. As shown in fig. 1, the stirrer 200 is abutted to both the top and the bottom of the inner cavity of the kettle 100, the anti-sticking stirring paddle 220 is disposed at the lower half portion of the kettle 100, preferably, the stirrer 200 includes a plurality of turbulent stirring paddles 230 disposed on the stirring shaft 210, the turbulent stirring paddles 230 are used for stirring the upper region of the anti-sticking stirring paddle 220, preferably, three turbulent stirring paddles 230 are uniformly disposed on the stirring shaft 210 at intervals, the turbulent stirring paddles 230 include a mounting seat 231 disposed on the stirring shaft 210 and a third blade 232 disposed on the mounting seat 231 in an inclined manner, the third blade 232 is a long straight plate, and the third blade 232 disposed in an inclined manner can cause the reactant to move upward or downward along the axial direction of the kettle 100 when rotating, so as to improve the reaction efficiency.

As shown in fig. 1 to 5, in some embodiments, the stirrer 200 further includes a stirring bracket 240 disposed at the bottom of the kettle body 100, and a bearing 241 for the stirring shaft 210 to penetrate is disposed on the stirring bracket 240. Specifically, as shown in fig. 1, a stirring support 240 is disposed on the bottom of the inner side of the kettle 100, a bearing 241 is disposed on the stirring support 240, the stirring shaft 210 is rotatably connected to the bearing 241, the stirring support 240 can support the stirring shaft 210, and the bearing 241 can enhance the stability of the rotation of the stirring shaft 210.

As shown in fig. 1 to 5, in some embodiments, the reactor further includes a cooling device, and the cooling device includes a first cooling device disposed on the kettle 100 and located in the reaction cavity, and a second cooling device disposed on the periphery of the kettle 100. The production intensity of the polymerization kettle is partially determined by the polymerization heat transfer capacity, and the first cooling device positioned in the reaction cavity and the second cooling device positioned outside the reaction cavity are arranged in the polymerization kettle, so that the heat transfer area of the polymerization kettle can be increased, the heat transfer performance of the polymerization kettle is improved, and the production intensity of the polymerization kettle is improved.

As shown in fig. 1-5, in some embodiments, the first cooling device comprises: the cooling device comprises a first fluid inlet pipe 410, a first fluid outlet pipe 420, a first annular pipe 430, a second annular pipe 440 and a cooling pipe group 450, wherein the first fluid inlet pipe 410 and the first fluid outlet pipe 420 are both arranged on the kettle body 100 and are connected with the first annular pipe 430, the cooling pipe group 450 is composed of a plurality of cooling pipes which are parallel to the side wall of the kettle body 100, the cooling pipes are long straight pipes, and the first annular pipe 430 is connected with the second annular pipe 440 through the plurality of cooling pipe groups 450. Specifically, a first fluid inlet pipe 410 and a first fluid outlet pipe 420 are both arranged at the top of the kettle body 100, the first fluid inlet pipe 410 is used for introducing a cooling medium, a first annular pipe 430 is horizontally arranged at the top of the inner side of the kettle body 100 and is connected with the first fluid inlet pipe 410 and the first fluid outlet pipe 420, preferably, as shown in fig. 1, the cooling pipe group 450 is composed of 8 cooling pipe groups 450, 8 cooling pipe groups are arranged symmetrically left and right, 4 cooling pipe groups are arranged at one side, the upper ends and the lower ends of the 8 cooling pipe groups 450 are connected through collecting pipes, the collecting pipes at the upper ends and the lower ends are respectively connected with the first annular pipe 430 and the second annular pipe 440, preferably, the cooling medium can sequentially flow back to the cooling pipe group 450 and the first annular pipe 430 through the first fluid inlet pipe 410, the first annular pipe 430, the cooling pipe group 450 and the second annular pipe 440 and finally is discharged from the first fluid outlet pipe 420, forming a communication loop. As shown in fig. 1, the first cooling device includes 4 cooling tube groups 450, and the arrangement of 4 cooling tube groups 450, that is, the arrangement of 32 cooling tubes, can increase the heat exchange area, increase the heat exchange efficiency, and further increase the production efficiency.

As shown in fig. 1-5, in some embodiments, the second cooling device comprises: a second fluid inlet pipe 510, a second fluid outlet pipe 520 and a jacket 530, wherein the jacket 530 is sleeved on the periphery of the kettle body 100 and defines a second cooling cavity 540 together with the outer wall of the kettle body 100, and the second fluid inlet pipe 510 and the second fluid outlet pipe 520 are both arranged on the jacket 530 and are communicated with the second cooling cavity 540. Specifically, the jacket 530 comprises a sleeve and an end cap disposed on one end of the sleeve, as shown in fig. 1, the sleeve is sleeved on the kettle body 100, the end cap seals one side of the sleeve, the jacket 530 and the outer wall of the kettle body 100 together define a ground cooling cavity, the jacket 530 is provided with a second fluid inlet pipe 510 and a second fluid outlet pipe 520, and preferably, the second fluid outlet pipe 520 is disposed at the bottom of the jacket 530 to facilitate the discharge of the cooling medium. The second cooling device for coating the kettle body 100 is arranged on the periphery of the kettle body 100, so that the heat exchange area can be effectively increased, and the production efficiency is improved.

As shown in fig. 1-5, in some embodiments, the first fluid outlet tube 420 is in communication with the second fluid inlet tube 510. Specifically, as shown in fig. 1, the first fluid outlet pipe 420 is communicated with the second fluid inlet pipe 510, that is, the first cooling device and the second cooling device are communicated, and the cooling medium can directly enter the second cooling device after passing through the first cooling device, so that the utilization rate of the cooling medium is improved, and the structure is simplified.

As shown in fig. 1 to 5, in some embodiments, a manhole 610 and a sight glass 620 for inspecting the reaction chamber are provided on the reaction vessel 100. The reaction chamber is used for the material to carry out polymerization, because production problems such as improper material proportion can appear, consequently need set up non-light tight sight glass 620 on cauldron body 100 and observe the reaction chamber. Preferably, when a fault occurs, a worker may enter the inside of the kettle body 100 through a manhole 610 provided on the kettle body 100 to perform maintenance.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A polymerizer, characterized by comprising:

the reaction kettle comprises a kettle body (100), wherein a reaction cavity is arranged in the kettle body (100);

the stirrer (200) is arranged on the kettle body (100) and is positioned in the reaction cavity;

the transmission device (300) is arranged on the kettle body (100), is connected with the stirrer (200) and is used for driving the stirrer (200) to rotate;

the agitator (200) include with (mixing) shaft (210) that transmission (300) transmission is connected and setting are in antiseized stirring rake (220) on (mixing) shaft (210), antiseized stirring rake (220) including with connecting rod (221) that (mixing) shaft (210) are connected and with connecting rod (221) are connected and with first blade (222) of cauldron body (100) inner wall butt.

2. The polymerizer according to claim 1, wherein the tank body (100) comprises a cylinder (110) and a first end enclosure (120) and a second end enclosure (130) respectively disposed at the upper end and the lower end of the cylinder (110), the first blade (222) comprises a straight blade (223) and an arc-shaped blade (224) disposed below the straight blade (223), the straight blade (223) abuts against the sidewall of the cylinder (110), and the arc-shaped blade (224) abuts against the arc-shaped wall surface of the second end enclosure (130).

3. A polymerizer vessel according to claim 1, wherein said anti-sticking stirring paddle (220) further comprises a second blade (225) provided on said connecting rod (221).

4. The polymerizer according to claim 1, wherein a plurality of turbulent stirring paddles (230) are disposed on the stirring shaft (210), the turbulent stirring paddles (230) comprise a mounting base (231) sleeved on the stirring shaft (210) and a third blade (232) obliquely disposed on the mounting base (231), and the third blade (232) is a long straight plate.

5. The polymerizer according to claim 1, wherein the stirrer (200) further comprises a stirring support (240) disposed at the bottom of the tank body (100), and the stirring support (240) is provided with a bearing (241) through which the stirring shaft (210) passes.

6. The polymerizer of claim 1, further comprising a cooling device, wherein the cooling device comprises a first cooling device disposed on the body (100) and located in the reaction chamber, and a second cooling device disposed on the outer periphery of the body (100).

7. The polymerizer of claim 6, wherein said first cooling means comprises: the cooling device comprises a first fluid inlet pipe (410), a first fluid outlet pipe (420), a first annular pipe (430), a second annular pipe (440) and a cooling pipe group (450), wherein the first fluid inlet pipe (410) and the first fluid outlet pipe (420) are arranged on the kettle body (100) and connected with the first annular pipe (430), the cooling pipe group (450) is composed of a plurality of cooling pipes which are parallel to the side wall of the kettle body (100), the cooling pipes are long straight pipes, and the first annular pipe (430) is connected with the second annular pipe (440) through the plurality of cooling pipe groups (450).

8. The polymerizer of claim 7, wherein said second cooling means comprises: the cooling device comprises a second fluid inlet pipe (510), a second fluid outlet pipe (520) and a jacket (530), wherein the jacket (530) is sleeved on the periphery of the kettle body (100) and defines a second cooling cavity (540) together with the outer wall of the kettle body (100), and the second fluid inlet pipe (510) and the second fluid outlet pipe (520) are both arranged on the jacket (530) and are communicated with the second cooling cavity (540).

9. A polymerizer vessel according to claim 8, wherein said first fluid outlet pipe (420) is in communication with said second fluid inlet pipe (510).

10. A polymerizer vessel according to claim 1, wherein the vessel body (100) is provided with a manhole (610) and a sight glass (620) for inspecting the reaction chamber.

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