CN210357175U

CN210357175U - Reation kettle with defoaming function

Info

Publication number: CN210357175U
Application number: CN201921111391.9U
Authority: CN
Inventors: 饶晓霞
Original assignee: Shanghai Fengye Chemical Co ltd
Current assignee: Shanghai Fengye Chemical Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-21
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a reation kettle with defoaming function, the reactor comprises a kettle body, cauldron body top is provided with the kettle cover, the internal portion of cauldron is equipped with agitating unit and fire fighting equipment, agitating unit includes driving motor, (mixing) shaft and a plurality of stirring rake, install driving motor in the middle of the kettle cover top, (mixing) shaft one end is connected with driving motor's output, the (mixing) shaft other end runs through the kettle cover and deepens the internal portion of cauldron, and is a plurality of the stirring rake interval sets up in the periphery of (mixing) shaft lower part, fire fighting equipment sets up (mixing) shaft upper portion. The equipment has high defoaming efficiency, simple structure and convenient operation.

Description

Reation kettle with defoaming function

Technical Field

The utility model relates to a reation kettle device technical field, concretely relates to reation kettle with defoaming function.

Background

In the chemical polymerization process, foams are easily generated as the chemical reaction proceeds, and particularly foams are easily generated in the polymerization reaction in which gas is generated. The continuous accumulation and the escape of the bubbles inevitably take away a part of materials in the reaction kettle, so that the waste of the materials is caused, and the stability of the liquid level in the reaction kettle is influenced.

In the prior art, the defoaming agent is usually added into a reaction kettle to eliminate bubbles, and because the defoaming cost of the defoaming agent is very high, the defoaming agent is a pollutant, the quality and purity of a reaction product are influenced, and an ideal defoaming effect is hardly achieved on a large amount of foams generated in the reaction process.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a reaction kettle with defoaming function, which has high defoaming efficiency, simple structure and convenient operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a reaction kettle with defoaming function, which comprises a kettle body, wherein a kettle cover is arranged at the top of the kettle body, a stirring device and a defoaming device are arranged in the kettle body, the stirring device comprises a driving motor, a stirring shaft and a plurality of stirring paddles, the driving motor is arranged in the middle of the top of the kettle cover, one end of the stirring shaft is connected with the output end of the driving motor, the other end of the stirring shaft penetrates through the kettle cover and extends into the kettle body, the stirring paddles are arranged on the periphery of the lower part of the stirring shaft at intervals, and the defoaming device is arranged at the upper part of the stirring shaft;

the defoaming device comprises a connecting shaft sleeve, an extrusion defoaming baffle, a defoaming slurry assembly and a defoaming net, wherein the connecting shaft sleeve is movably sleeved on the upper part of the stirring shaft, a cylinder is fixedly arranged on the outer surface of the stirring shaft through a cylinder seat, the cylinder is positioned above the connecting shaft sleeve, a piston rod of the cylinder is connected with the outer surface of the upper part of the connecting shaft sleeve through a connecting plate and used for driving the connecting shaft sleeve to move up and down along the stirring shaft, the extrusion defoaming baffle, the defoaming slurry assembly and the defoaming net are sequentially and fixedly arranged on the periphery of the connecting shaft sleeve from top to bottom, a horn-shaped filter hole for foam to pass through is formed in the extrusion defoaming baffle, the large-mouth end of the filter hole faces down, the small-mouth end of the filter.

The improvement lies in that, defoaming thick liquid subassembly includes two horizontal defoaming thick liquids that set up, two defoaming thick liquid one end fixed connection be in the connecting sleeve middle part outside, two another pot head of defoaming thick liquid is equipped with the elastic rubber pipe, the elastic rubber pipe with the internal lateral wall of cauldron offsets, two defoaming is starched and is provided with snakelike defoaming pipe. Through the (mixing) shaft rotation, drive the defoaming thick liquid and rotate, the snakelike defoaming pipe that is located the defoaming thick liquid collides with the internal liquid level of cauldron foam repeatedly to stir the foam brokenly, reach the purpose of quick elimination foam, overlap through the other pot head at the defoaming thick liquid and be equipped with the elastic rubber pipe, can avoid the internal lateral wall scraping of cauldron, also can avoid the foam to upwards turn out from the gap department between defoaming thick liquid and the internal lateral wall of cauldron simultaneously, improved defoaming efficiency.

The further improvement is that the periphery of the snake-shaped defoaming pipe is provided with a defoaming needle which is a steel needle. By arranging the defoaming needles on the periphery of the snake-shaped defoaming pipe, the foam is easier to break.

The improved kettle is further improved in that a truncated cone-shaped baffle is arranged above the defoaming device, the upper end of the truncated cone-shaped baffle is a small-opening end, the lower end of the truncated cone-shaped baffle is a large-opening end, the lower end of the truncated cone-shaped baffle is installed on the inner side wall of the kettle body through a support frame, and a spine is arranged on the lower end face of the truncated cone-shaped baffle. The pricks on the lower end face of the cone-shaped baffle plate puncture a small amount of bubbles which are upwards turned out from a gap between the defoaming device and the inner side wall of the kettle body, and the bubbles in the liquid are further eliminated.

The further improvement is that a protective cover is arranged outside the cylinder. Prevent that the cylinder from rustting with the liquid contact of the internal portion of cauldron for a long time for cylinder life is longer.

The further improvement is that the upper part of the surface of the kettle body is provided with a strip-shaped transparent observation window. The position of the defoaming device in the kettle body is conveniently adjusted up and down, so that the defoaming device is located at the best defoaming position, and the best defoaming effect is exerted.

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

the utility model discloses a physics defoaming mode adopts defoaming net, defoaming thick liquid subassembly and extrusion defoaming baffle cooperation to carry out defoaming treatment, sets up defoaming net at the lower floor, can handle the foam that the cauldron was internal to produce fast, convert the foam into liquid, foam that is not eliminated rises to defoaming thick liquid subassembly department, adopts the cooperation of defoaming thick liquid and snakelike defoaming pipe, collides with the foam repeatedly to break the foam, reaches the purpose of quick elimination foam, remaining a small amount of tiny foam enters into extrusion defoaming baffle and is the horn shape filtration pore, carries out further elimination treatment to it; in addition, drive connecting shaft sleeve along (mixing) shaft up-and-down motion through the cylinder, and then drive fire fighting equipment up-and-down motion, realized on the one hand not opening the kettle cover, can be according to the height of liquid level automatic adjustment fire fighting equipment in the reation kettle, on the other hand, at the defoaming in-process, can carry out reciprocating motion from top to bottom to fire fighting equipment, the effectual foam surface tension that breaks for the foam breaks out fast, has better elimination foam effect.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a view showing the overall structure of a reaction vessel in example 1;

FIG. 2 is a view showing the internal structure of a reaction vessel in example 1;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a block diagram of the defoaming paddle assembly of example 1;

FIG. 5 is a view showing the internal structure of a crushing defoaming baffle in example 1;

FIG. 6 is a view showing the internal structure of a reaction vessel in example 2;

wherein, the specific reference numbers are: the reaction kettle comprises a kettle body 1, a strip-shaped transparent observation window 2, a kettle cover 3, a driving motor 4, a stirring shaft 5, a stirring paddle 6, a cylinder seat 7, a cylinder 8, a connecting plate 9, a protective cover 10, a connecting shaft sleeve 11, an extrusion defoaming baffle plate 12, a filtering hole 13, a needle-shaped protrusion 14, a defoaming pulp component 15, defoaming pulp 16, an elastic rubber pipe 17, a snake-shaped defoaming pipe 18, a defoaming needle 19, a defoaming net 20 and a truncated cone-shaped baffle plate 21.

Detailed Description

Example 1

Embodiment 1 of the utility model discloses a reation kettle with defoaming function, as shown in fig. 1 to 3, including the

cauldron body

1, 1 top of the cauldron body is provided with

kettle cover

3, and 1 inside agitating unit and the fire fighting equipment of being equipped with of the cauldron body, agitating unit include driving motor 4, (mixing) shaft 5 and a plurality of stirring rake 6, installs driving motor 4 in the middle of the 3 tops of kettle cover, and 5 one ends of (mixing) shaft are connected with driving motor 4's output, and 5 other ends of (mixing) shaft run through kettle cover 3 and go deep into 1 inside of the cauldron body, and 6 intervals of a plurality of stirring rakes set up in the periphery of 5 lower parts of (mixing) shaft, and the fire fighting equipment sets up on 5 upper portions. The fire fighting equipment includes connecting axle sleeve 11, extrusion defoaming baffle 12, defoaming thick liquid subassembly 15 and defoaming net 20, 5 upper portion movable sleeve of (mixing) shaft is equipped with connecting

axle sleeve

11, 7 fixed mounting through the cylinder block of (mixing) shaft 5 surface has cylinder 8, cylinder 8 is located connecting axle sleeve 11's top, cylinder 8's piston rod is connected with connecting axle sleeve 11 upper portion surface through connecting plate 9, be used for drive connecting axle sleeve 11 along (mixing) shaft 5 up-and-down motion, the 8 outside of cylinder is equipped with safety cover 10, prevent that cylinder 8 from rustting with the long-term liquid contact of the 1 inside of the cauldron body, make 8 life of cylinder longer. In order to improve the stability of the connecting shaft sleeve 11 during the up-and-down movement along the stirring shaft 5, two air cylinders 8 are preferably arranged, and the two air cylinders 8 are symmetrically and fixedly arranged on the outer surface of the stirring shaft 5 through air cylinder seats 7 respectively. The transparent observation window of strip 2 has been seted up on 1 surperficial upper portion of the cauldron body, conveniently adjusts about the position of the defoaming device in the cauldron body 1 for the defoaming device is located best defoaming position, gives play to best defoaming effect. Connect 11 periphery of axle sleeve from last to having extrusion defoaming baffle 12, defoaming thick liquid subassembly 15 and defoaming net 20 down fixed mounting in proper order, the surface of defoaming net 20 is provided with the burr. As shown in fig. 5, the extrusion defoaming baffle 12 is provided with a trumpet-shaped filter hole 13 for foam to pass through, a large opening end of the filter hole 13 faces downward, a small opening end of the filter hole 13 faces upward, and a plurality of needle-punched protrusions 14 are arranged in the filter hole 13. As shown in fig. 4, the defoaming slurry assembly 15 includes two transversely-arranged defoaming slurries 16, one end of each of the two defoaming slurries 16 is fixedly connected to the outer side of the middle of the connecting shaft sleeve 11, the other end sleeves of the two defoaming slurries 16 are provided with elastic rubber pipes 17, the elastic rubber pipes 17 abut against the inner side wall of the kettle body 1, and the two defoaming slurries 16 are provided with snake-shaped defoaming pipes 18. The periphery of the snake-shaped defoaming pipe 18 is provided with a defoaming needle 19, the defoaming needle 19 is a steel needle, and the periphery of the snake-shaped defoaming pipe 18 is provided with the defoaming needle 19, so that foam is broken more easily.

When the device is used, the extrusion defoaming baffle 12, the defoaming slurry assembly 15 and the defoaming net 20 are driven to rotate by the rotation of the stirring shaft 5, the defoaming net 20 is arranged at the lowest layer, so that foam generated in the kettle body 1 can be quickly treated, and the foam is converted into liquid; foam which is not eliminated rises to the defoaming slurry assembly 15, the snake-shaped defoaming pipe 18 on the defoaming slurry 16 collides with the foam repeatedly and stirs the foam to be broken, so that the aim of quickly eliminating the foam is achieved, the other end of the defoaming slurry 16 is sleeved with the elastic rubber pipe 17, so that the inner side wall of the kettle body 1 can be prevented from being scraped, meanwhile, the foam can be prevented from turning upwards out from a gap between the defoaming slurry 16 and the inner side wall of the kettle body 1, and the defoaming efficiency is improved; the rest small amount of fine foam enters the trumpet-shaped filtering holes 13 of the extrusion defoaming baffle 12 to extrude and break the foam, and the needle-shaped protrusions 14 arranged in the filtering holes 13 are matched to further eliminate the foam comprehensively. In addition, drive connecting sleeve 11 through cylinder 8 and follow (mixing) shaft 5 up-and-down motion, and then drive fire fighting equipment up-and-down motion, realized on the one hand need not open kettle cover 3, can be according to the height of liquid level automatic adjustment fire fighting equipment in the reation kettle, on the other hand, at the defoaming in-process, can carry out reciprocating motion from top to bottom to fire fighting equipment, the effectual foam surface tension that breaks for the foam breaks out fast, has better elimination foam effect.

Example 2

The embodiment 2 of the utility model discloses a reation kettle with defoaming function, embodiment 2 is the same with embodiment 1's essential feature, and both have following difference technical feature: as shown in fig. 6, a truncated cone-shaped baffle 21 is arranged above the defoaming device, the upper end of the truncated cone-shaped baffle 21 is a small-mouth end, the lower end of the truncated cone-shaped baffle 21 is a large-mouth end, the lower end of the truncated cone-shaped baffle 21 is detachably mounted on the inner side wall of the kettle body 1 through a support frame, and a spine is arranged on the lower end face of the truncated cone-shaped baffle 21. The pricks on the lower end surface of the cone-shaped baffle 21 puncture a small amount of bubbles which are turned upwards from the gap between the defoaming device and the inner side wall of the kettle body 1, and the bubbles in the liquid are further eliminated.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. A reaction kettle with a defoaming function comprises a kettle body and is characterized in that a kettle cover is arranged at the top of the kettle body, a stirring device and a defoaming device are arranged in the kettle body, the stirring device comprises a driving motor, a stirring shaft and a plurality of stirring paddles, the driving motor is installed in the middle of the top of the kettle cover, one end of the stirring shaft is connected with the output end of the driving motor, the other end of the stirring shaft penetrates through the kettle cover and extends into the kettle body, the stirring paddles are arranged on the periphery of the lower portion of the stirring shaft at intervals, and the defoaming device is arranged on the upper portion of the stirring shaft;

2. The reaction kettle with the defoaming function according to claim 1, wherein the defoaming paddle component comprises two transversely arranged defoaming paddles, one end of each defoaming paddle is fixedly connected to the outer side of the middle of the connecting shaft sleeve, the other end of each defoaming paddle is sleeved with an elastic rubber pipe, the elastic rubber pipe abuts against the inner side wall of the kettle body, and a snake-shaped defoaming pipe is arranged on each defoaming paddle.

3. The reaction kettle with the defoaming function according to claim 2, wherein defoaming needles are arranged on the periphery of the snakelike defoaming pipe, and the defoaming needles are steel needles.

4. The reaction kettle with the defoaming function according to claim 1, wherein a truncated cone-shaped baffle is arranged above the defoaming device, the upper end of the truncated cone-shaped baffle is a small-mouth end, the lower end of the truncated cone-shaped baffle is a large-mouth end, the lower end of the truncated cone-shaped baffle is mounted on the inner side wall of the kettle body through a support frame, and the lower end surface of the truncated cone-shaped baffle is provided with spines.

5. The reaction kettle with a defoaming function according to claim 1, wherein a protective cover is arranged outside the cylinder.

6. The reaction kettle with the defoaming function as claimed in claim 1, wherein a strip-shaped transparent observation window is formed in the upper part of the surface of the kettle body.