CN110433719B

CN110433719B - Defoaming formula agitating unit

Info

Publication number: CN110433719B
Application number: CN201910680906.5A
Authority: CN
Inventors: 李仲暄; 李平; 马元昌; 赵波; 肖雷; 朱伟明
Original assignee: Chengdu Hairong Technical Textile Co ltd
Current assignee: Chengdu Hairong Technical Textile Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2022-04-12
Anticipated expiration: 2039-07-25
Also published as: CN110433719A

Abstract

A defoaming stirring device relates to the field of textile belt production. Comprises a cover body, a barrel body, a foam pump and a foam breaker. The lid is connected with staving detachably, and the lid includes lid body, a rotating cylinder and a bubble suction pipe. The rotating cylinder is rotatably embedded in the cover body and driven by the driver, one side of the rotating cylinder, which is close to the barrel body, protrudes to form a conical shape, and the degree of a corresponding half vertex angle is 55-85 degrees. One end of each bubble suction pipe is attached to the conical wall of the rotating cylinder and extends along the circumferential direction of the conical wall, the multiple bubble suction pipes are arranged along the circumferential direction of the conical wall at even intervals, and the other ends of the bubble suction pipes extend to one side of the rotating cylinder, which is far away from the barrel body, and are communicated with the suction inlet of the foam pump. The other end of the foam pump is communicated with the inlet of the defoamer, and the clear liquid outlet of the defoamer is communicated with the barrel body. Its simple structure, convenient to use, it has very high stirring efficiency and stirring effect, effectively eliminates the foam simultaneously, has the positive effect to improving production efficiency.

Description

Defoaming formula agitating unit

Technical Field

The invention relates to the field of textile belt production, in particular to a defoaming type stirring device.

Background

In the production process of textile belts, some modifiers need to be configured on site, and a stirrer needs to be used under most conditions, but the stirring efficiency of the existing stirrer is low, and the stirring is generally required for 2-3 hours or even longer, so that the production efficiency is greatly slowed down. At present, a shear type stirrer is used for improving the production efficiency and shortening the stirring time, but a large amount of foam is generated, so that the preparation work is difficult to continuously and smoothly carried out. This results in a dilemma.

In view of this, the present application is specifically made.

Disclosure of Invention

The invention aims to provide a defoaming stirring device which is simple in structure and convenient to use, has very high stirring efficiency and stirring effect, can greatly shorten the stirring time required for preparing a modifier, effectively eliminates foam, and has a positive effect on improving the production efficiency.

The embodiment of the invention is realized by the following steps:

a defoaming agitation device comprising: lid, staving, foam pump and defoamer. The lid is connected with staving detachably, and the lid includes lid body, a rotating cylinder and a bubble suction pipe. The rotating cylinder is rotatably embedded in the cover body and driven by the driver, one side of the rotating cylinder, which is close to the barrel body, protrudes to form a conical shape, and the degree of a corresponding half vertex angle is 55-85 degrees. One end of each bubble suction pipe is attached to the conical wall of the rotating cylinder and extends along the circumferential direction of the conical wall, the multiple bubble suction pipes are arranged along the circumferential direction of the conical wall at even intervals, and the other ends of the bubble suction pipes extend to one side of the rotating cylinder, which is far away from the barrel body, and are communicated with the suction inlet of the foam pump. The other end of the foam pump is communicated with the inlet of the defoamer, and the clear liquid outlet of the defoamer is communicated with the barrel body.

Furthermore, the cover body is provided with a first inner cavity, the rotating cylinder penetrates through one side, close to the barrel body, of the cover body and is in rotating seal with the cover body, and the conical wall is located on the outer side of the first inner cavity. The driver is the driving motor who installs the reduction gear, and the top of lid body is located to the driver, and the drive shaft of driver runs through to first inner chamber and is connected with the transmission of a rotating cylinder.

Further, first inner chamber is provided with places the box, places the box and connects in the interior roof of first inner chamber. The placing box comprises a first cylindrical cavity and a second cylindrical annular cavity, and the second cavity is arranged around the first cavity and coaxial with the first cavity. The drive shaft of the drive motor penetrates through the first cavity and is coaxially arranged with the first cavity, the placing box is provided with a communicating hole used for communicating the second cavity with the first inner cavity, and the second cavity contains the drying agent.

Further, the rotating cylinder is provided with a second inner cavity, and the other end of the bubble suction pipe penetrates through the conical wall and extends to the second inner cavity. The rotating cylinder is also provided with a transfer ball, the transfer ball penetrates through the top wall of the rotating cylinder and is fixedly connected with the rotating cylinder, and the other end of the foam suction pipe is communicated with the transfer ball. The top of well commentaries on classics ball is provided with the output tube, and the output tube runs through the roof of lid body and is used for with the sunction inlet intercommunication of foam pump. Wherein, the output pipe and the transfer ball are sealed in a rotating way.

Furthermore, the suction end of the bubble suction pipe is formed by a shell which is covered on the conical wall, and the cross section of the shell is in a fan-ring shape.

Further, the suction end of the bubble suction pipe is arranged close to the outer edge of the conical wall.

Furthermore, the periphery of the cover body is provided with an annular groove, the annular groove is formed by the side wall, close to the barrel body, of the cover body in a concave mode, the annular groove extends along the radial direction of the cover body and penetrates through the annular side wall of the cover body, and the annular groove is arranged in the rotating barrel in an enclosing mode.

The annular groove is matched with an annular gasket, and the annular gasket is provided with an annular cavity. The first opening that is used for with annular cavity with the staving intercommunication is offered to one side that is close to the staving of annular packing ring, and the second opening that is used for with annular cavity with the outside intercommunication is offered to one side that is close to the annular lateral wall of lid body of annular packing ring to when making lid body lid fit the staving, the annular chamber physical stamina is enough to communicate outside and staving through first opening and second opening.

Furthermore, the cross section of the groove cavity of the annular groove is rectangular, and the cross section of the annular gasket is rectangular and annular.

Furthermore, the first opening and the second opening are both formed by a plurality of scratches penetrating through the side wall of the annular gasket, and the plurality of scratches are distributed along the midpoint of the annular gasket in a circumferential array.

Further, the staving is provided with divides the liquid pipe, divides the liquid pipe to extend along the circumference of staving and is cyclic annular and near the oral area setting of staving. Divide the clear liquid export intercommunication of liquid pipe and defoamer, divide the liquid pipe to have seted up out the liquid hole, go out the inboard that the liquid hole is located the staving and press close to the inner wall setting of staving, go out the even interval setting of circumference along dividing the liquid pipe in liquid hole.

The embodiment of the invention has the beneficial effects that:

when the defoaming type stirring device provided by the embodiment of the invention is used for stirring, the cover body covers the barrel body, the driver is utilized to drive the rotating cylinder to rotate, and the rotating direction of the rotating cylinder is controlled to be opposite to the stirring direction of liquid in the barrel body. In the stirring process, liquid in the barrel is directionally stirred and directionally rotates along the barrel, the liquid level in the middle of the barrel is low, the liquid level in the position close to the side wall of the barrel is high, the shape of the conical wall of the rotating cylinder just can be adapted to the condition of the page in the barrel, the liquid level in the barrel is controlled to enable the inlet of the foam suction pipe to be just above the liquid level, and the foam suction pipe can be efficiently sucked out, and meanwhile, the direct suction of the liquid phase in the barrel is avoided. This makes the bubble suction pipe can contact with the foam on the liquid level more fully, can improve the effect and the collection efficiency of bubble suction pipe to the foam. Because the foam suction pipe rotates reversely relative to the liquid in the cylinder along with the rotating cylinder, the opening part of the foam suction pipe moves reversely relative to the foam on the liquid surface, and the foam can be promoted to enter the foam suction pipe. Because the foam suction pipe is communicated with the suction inlet of the foam pump, the foam in the barrel can be quickly and efficiently pumped out under the power action of the foam pump. The foam is pumped out and then sent to a defoamer, and clear liquid after defoaming is sent back to the barrel body to be continuously stirred.

Through above design, can continuously carry out the defoaming with the foam suction that leads to the internal production and carry out the defoaming, continue the stirring in sending the clear solution after the defoaming back to the staving simultaneously, so circulate, can guarantee that the foam in whole stirring in-process staving can both be controlled, continuously eliminate, guarantee stirring and the going on smoothly of preparation process.

In general, the defoaming stirring device provided by the embodiment of the invention has the advantages of simple structure, convenience in use, very high stirring efficiency and stirring effect, capability of greatly shortening the stirring time required for preparing the modifier, effective elimination of foam and positive effect on improvement of production efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a defoaming stirring apparatus provided in an embodiment of the present invention;

FIG. 2 is a schematic structural view of a rotary drum of the bubbling stirring apparatus in FIG. 1;

FIG. 3 is a schematic view of the conical wall of the rotary drum of FIG. 2;

FIG. 4 is an enlarged view of area A of FIG. 1;

FIG. 5 is an enlarged view of area B of FIG. 1;

FIG. 6 is a schematic view of the annular gasket of the bubbling stirring apparatus of FIG. 1;

FIG. 7 is a schematic view of the first and second openings of the annular gasket of FIG. 6;

fig. 8 is a schematic structural view illustrating the lid body of the bubbling stirring apparatus shown in fig. 1 covering the barrel body.

Icon: a defoaming stirring device 1000; a cover body 100; a cap body 110; a first lumen 111; an annular groove 112; an annular gasket 120; an annular cavity 121; a first opening 122; the second opening 123; a rotary cylinder 130; a conical wall 131; an outer ring gear 132; a second interior cavity 133; a transfer ball 134; an output pipe 135; a driver 140; a drive shaft 141; a bubble suction tube 150; a placing box 160; a first cavity 161; a second cavity 162; a communication hole 163; a tub 200; a liquid separation pipe 210; a feedback line 220.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally 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.

Examples

Referring to fig. 1 to 3, the present embodiment provides a defoaming device 1000, where the defoaming device 1000 includes: a cover 100, a tub 200, a foam pump (not shown), and a defoamer (not shown).

The lid body 100 is detachably coupled to the tub 200, and the lid body 100 includes a lid body 110, a rotary cylinder 130, and a bubble-absorbing tube 150.

The rotating cylinder 130 is rotatably embedded in the cap body 110 and driven by the driver 140, one side of the rotating cylinder 130 close to the barrel body 200 is protruded to be conical, and the corresponding half vertex angle degree is 55 to 85 degrees, in this embodiment, the corresponding half vertex angle degree is set to be 70 degrees.

One end of the bubble suction pipe 150 is attached to the conical wall 131 of the rotary cylinder 130 and extends along the circumferential direction of the conical wall 131, the bubble suction pipes 150 are uniformly spaced along the circumferential direction of the conical wall 131, and the other end of the bubble suction pipe 150 extends to one side of the rotary cylinder 130 far away from the barrel body 200 and is communicated with a suction inlet of the foam pump. The other end of the foam pump is communicated with the inlet of the foam breaker, and the clear liquid outlet of the foam breaker is communicated with the barrel body 200.

A shear type stirring assembly is installed in the barrel 200.

When the stirring operation is performed, the lid 100 is covered on the tub 200, the driver 140 is used to drive the rotary drum 130 to rotate, and the rotation direction of the rotary drum 130 is controlled to be opposite to the stirring direction of the liquid in the tub 200. In the stirring process, the liquid in the barrel body 200 is directionally stirred and directionally rotates along the barrel body 200, a state that the liquid level at the middle position close to the barrel body 200 is low and the liquid level at the position close to the side wall of the barrel body 200 is high is presented, the shape of the conical wall 131 of the rotating cylinder 130 just can be adapted to the condition of the page in the barrel body 200, and the liquid level in the barrel body 200 is controlled to enable the inlet of the bubble suction pipe 150 to be just above the liquid level, so that the bubble suction pipe 150 can efficiently suck out the bubbles and simultaneously avoid directly sucking out the liquid phase in the barrel body 200. This enables the bubble suction pipe 150 to be more sufficiently in contact with the foam on the liquid surface, and can improve the foam collecting effect and efficiency of the bubble suction pipe 150. Since the bubble suction pipe 150 rotates in the reverse direction with respect to the liquid in the cylinder along with the rotary cylinder 130, the mouth of the bubble suction pipe 150 moves in the reverse direction with respect to the bubble on the liquid surface, and the entry of the bubble into the bubble suction pipe 150 can be promoted. Since the bubble suction pipe 150 communicates with the suction port of the bubble pump, bubbles in the tub 200 can be rapidly and efficiently drawn out by the power of the bubble pump. The foam is pumped out and sent to a defoamer, and the clear liquid after defoaming is sent back to the barrel body 200 to be continuously stirred.

Through above design, can be continuously with the foam suction and the defoaming of the internal production of expert, continue the stirring in sending the clear solution after the defoaming back to staving 200 simultaneously, so circulate, can guarantee that the foam in whole stirring in-process staving 200 can both be controlled, continuously eliminate, guarantee stirring and the going on smoothly of preparation process.

Generally, defoaming formula agitating unit 1000 simple structure, convenient to use, it has very high stirring efficiency and stirring effect, can shorten the required churning time of preparation modifier greatly, effectively eliminates the foam simultaneously, has positive effect to improving production efficiency.

In the present embodiment, a mechanical defoamer is used as the defoamer, but the defoamer is not limited to this. The foam breaker may also use other types of foam breakers, such as a vacuum type foam breaker.

Further, in the present embodiment, the cover body 110 has a first inner cavity 111, the rotary cylinder 130 penetrates through a side of the cover body 110 close to the tub 200 and is rotatably sealed with the cover body 110, the rotary cylinder 130 has an outer ring gear 132, the outer ring gear 132 is located in the first cavity 161, and the conical wall 131 is located outside the first inner cavity 111. The driver 140 is a driving motor with a reducer mounted thereon, the driver 140 is disposed on the top of the cover body 110, and a driving shaft 141 of the driver 140 penetrates the first inner cavity 111 and is in transmission connection with the outer ring gear 132 of the rotary cylinder 130. Through this design can conveniently be with a section of thick bamboo 130 drive, and can avoid the foam infiltration, in addition, it is also very convenient to the maintenance and the regulation and control of driver 140.

Referring to fig. 4, the first inner chamber 111 is provided with a placing box 160, and the placing box 160 is connected to an inner top wall of the first inner chamber 111. The placing box 160 includes a first cylindrical cavity 161 and a second cylindrical circular ring cavity 162, and the second cylindrical circular ring cavity 162 is enclosed in the first cylindrical cavity 161 and coaxially disposed. The driving shaft 141 of the driving motor penetrates through the first cavity 161 and is coaxially arranged with the first cavity 161, the placing box 160 is provided with a communication hole 163 for communicating the second cavity 162 with the first inner cavity 111, and the second cavity 162 contains the drying agent. With this design, the placement box 160 can not only improve the stability of the drive shaft 141 of the driver 140, but also can be used to place a desiccant to dry the first interior cavity 111, avoiding damage to the driver 140 and other components. Cleaning of the placing case 160 and replacement of the drying agent may be achieved by providing a window of the cover on the cover body 110.

Further, the rotary cylinder 130 has a second inner cavity 133, and the other end of the bubble suction pipe 150 penetrates the conical wall 131 and extends to the second inner cavity 133. The rotating cylinder 130 is further provided with a transfer ball 134, the transfer ball 134 penetrates through the top wall of the rotating cylinder 130 and is fixedly connected with the rotating cylinder 130, and the other end of the bubble suction pipe 150 is communicated with the transfer ball 134. The output pipe 135 is arranged on the top of the transfer ball 134, the output pipe 135 penetrates through the top wall of the cover body 110 and is used for being communicated with the suction port of the foam pump, and the transfer ball 134 and the output pipe 135 are used as connecting media between the foam sucking pipe 150 and the foam pump. Wherein the output pipe 135 and the transfer ball 134 are sealed in rotation. Through this design, utilize transfer ball 134 to gather the foam and carry to the foam pump by output tube 135 in unison after collecting, its one side is convenient for guarantee that each suction tube 150 is unanimous to the suction capacity of foam, and on the other hand its cooperation mode with output tube 135 has also avoided the foam to ooze or has taken place the pressure release, is more convenient for control and preparation, and the application degree of difficulty is lower.

In this embodiment, the suction end of the bubble suction pipe 150 is formed by a housing covering the conical wall 131, the cross section of the housing is in a fan-ring shape, and the foam enters the suction end and is transported to the transfer ball 134 by the subsequent complete pipe body of the bubble suction pipe 150. After the foam is generated, the foam is easily adhered to the conical wall 131, and by the above design, the suction end of the bubble suction pipe 150 can suck the foam more easily by utilizing the guiding function of the conical wall 131.

In other embodiments of the present invention, in order to make the efficiency of the foam suction higher, the mouth of the suction end of the bubble suction pipe 150 may be formed in a trumpet shape or an open mouth shape.

In general, during the stirring process, the bubbles are more easily collected at the side wall edge of the tub 200, and thus the suction end of the bubble pipe 150 is disposed near the outer edge of the conical wall 131.

Further, with reference to fig. 5 to 8, the circumferential edge of the cap body 110 has an annular groove 112, the annular groove 112 is formed by recessing a side wall of the cap body 110 close to the barrel 200, the annular groove 112 extends along the radial direction of the cap body 110 and penetrates through the annular side wall of the cap body 110, the annular groove 112 is enclosed in the rotating barrel 130, and the annular groove 112 and the rotating barrel 130 are coaxially disposed.

The annular groove 112 is fitted with an annular gasket 120, the annular gasket 120 having an annular cavity 121 in the shape of a ring. A first opening 122 for communicating the annular cavity 121 with the tub 200 is opened at a side of the annular gasket 120 close to the tub 200, and a second opening 123 for communicating the annular cavity 121 with the outside is opened at a side of the annular gasket 120 close to the annular sidewall of the lid body 110, so that when the lid body 110 is covered on the tub 200, the annular cavity 121 can communicate the outside with the tub 200 through the first opening 122 and the second opening 123.

When the cover 100 covers the barrel 200, the first opening 122 is located inside the barrel 200, and the second opening 123 is located outside and in an exposed state. Thus, the second opening 123, the annular cavity 121 and the first opening 122 form a gas pressure balancing channel, so as to ensure that the gas pressure in the barrel 200 is kept balanced in the whole stirring/defoaming process.

In this embodiment, the cross section of the cavity of the annular groove 112 is rectangular, and the cross section of the annular gasket 120 is rectangular and annular. This design can improve the sealing and load bearing capabilities of the annular gasket 120. The first opening 122 and the second opening 123 are formed by a plurality of scratches penetrating through the sidewall of the annular gasket 120, and the plurality of scratches are distributed along a central point thereof in a circumferential array. This design can prevent dust from entering the tub 200, and can prevent foam from entering the annular cavity 121 or seeping out of the second opening 123.

Further, the tub 200 is provided with a liquid distribution pipe 210, and the liquid distribution pipe 210 extends in a ring shape along a circumferential direction of the tub 200 and is disposed near a mouth of the tub 200. Divide liquid pipe 210 to be linked together with the clear liquid export of defoamer by feedback pipe 220, divide liquid pipe 210 to have seted up out liquid hole (not shown in the figure), go out the inboard of liquid hole position in staving 200 and press close to the inner wall setting of staving 200, go out the even interval setting of liquid hole along the circumference of dividing liquid pipe 210. Through the design, the returned clear liquid is uniformly distributed by the liquid distribution pipe 210 and is returned to the barrel body 200, so that the clear liquid is returned to the barrel body 200 faithfully, and the stirring work can be uniformly continued. During the feedback process, the clear liquid will flow down along the inner wall of the barrel 200, so that the foam at the edge of the barrel 200 can be washed away, and the foam is prevented from rising to the vicinity of the annular gasket 120 along the side wall of the barrel 200.

It is considered that the output pipes 135 of the plurality of covers 100 are connected to one defoamer for cost saving.

To sum up, defoaming formula agitating unit 1000 simple structure, convenient to use, it has very high stirring efficiency and stirring effect, can shorten the required churning time of preparation modifier greatly, effectively eliminates the foam simultaneously, has positive effect to improving production efficiency.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A defoaming stirring device, comprising: the device comprises a cover body, a barrel body, a foam pump and a foam breaker;

the cover body is detachably connected with the barrel body and comprises a cover body, a rotating barrel and a bubble suction pipe; the rotating cylinder is rotatably embedded in the cover body and driven by the driver, one side of the rotating cylinder, which is close to the barrel body, protrudes in a conical shape, and the degree of a corresponding half vertex angle is 55-85 degrees; one end of each bubble suction pipe is attached to the conical wall of the rotating cylinder and extends along the circumferential direction of the conical wall, the bubble suction pipes are uniformly arranged at intervals along the circumferential direction of the conical wall, and the other end of each bubble suction pipe extends to one side, far away from the barrel body, of the rotating cylinder; the other end of the foam pump is communicated with an inlet of the foam breaker, a clear liquid outlet of the foam breaker is communicated with the barrel body, the cover body is provided with a first inner cavity, the rotating cylinder penetrates through one side, close to the barrel body, of the cover body and is in rotating seal with the cover body, and the conical wall is located on the outer side of the first inner cavity; the driver is a driving motor provided with a speed reducer, the driver is arranged at the top of the cover body, a driving shaft of the driver penetrates through the first inner cavity and is in transmission connection with the rotating cylinder, a placing box is arranged in the first inner cavity, and the placing box is connected to the inner top wall of the first inner cavity; the placing box comprises a cylindrical first cavity and a circular-ring-cylindrical second cavity, and the second cavity surrounds the first cavity and is coaxially arranged; the driving shaft of the driving motor penetrates through the first cavity and is coaxially arranged with the first cavity, the placing box is provided with a communicating hole for communicating the second cavity with the first cavity, the second cavity contains a drying agent, the rotating cylinder is provided with a second cavity, and the other end of the bubble suction pipe penetrates through the conical wall and extends to the second cavity; the rotating cylinder is also provided with a transfer ball, the transfer ball penetrates through the top wall of the rotating cylinder and is fixedly connected with the rotating cylinder, and the other end of the bubble suction pipe is communicated with the transfer ball; the top of the transfer ball is provided with an output pipe which penetrates through the top wall of the cover body and is communicated with a suction inlet of the foam pump; wherein, the output tube and the transfer ball are sealed in a rotating way.

2. The defoaming stirring device defined in claim 1, wherein the suction end of the defoaming pipe is formed by a housing covering the conical wall, and the housing has a fan-shaped cross section.

3. The defoaming agitation device of claim 2, wherein a suction end of the bubble suction pipe is disposed near an outer edge of the conical wall.

4. The defoaming stirring device according to claim 1, wherein the lid body has an annular groove formed by recessing a side wall of the lid body on a side close to the barrel body, the annular groove extending in a radial direction of the lid body and penetrating through the annular side wall of the lid body, the annular groove being defined around the rotating cylinder;

the annular groove is matched with an annular gasket, and the annular gasket is provided with an annular cavity; one side of the annular gasket, which is close to the barrel body, is provided with a first opening for communicating the annular cavity with the barrel body, one side of the annular gasket, which is close to the annular side wall of the cover body, is provided with a second opening for communicating the annular cavity with the outside, so that when the cover body is covered on the barrel body, the annular cavity can communicate the outside with the barrel body through the first opening and the second opening.

5. The defoaming stirring apparatus of claim 4, wherein the cross-section of the cavity of the annular groove is rectangular, and the cross-section of the annular gasket is rectangular and annular.

6. The defoaming agitation apparatus of claim 4, wherein the first opening and the second opening are each formed by a plurality of score marks extending through a sidewall of the annular gasket, the plurality of score marks being distributed in a circumferential array along a midpoint thereof.

7. The defoaming stirring device according to claim 1, wherein the barrel body is provided with a liquid separation pipe, the liquid separation pipe extends annularly along the circumferential direction of the barrel body and is arranged close to the opening of the barrel body; divide the liquid pipe with the clear solution export intercommunication of defoamer, divide the liquid pipe to have seted up out the liquid hole, it is located to go out the liquid hole the inboard of staving is pressed close to the inner wall setting of staving, it follows to go out the liquid hole divide the even interval of circumference of liquid pipe to set up.