CN114797183A - Defoaming device and fracturing fluid defoaming system - Google Patents

Abstract

The application relates to the technical field of fracturing equipment, and discloses a defoaming device and a fracturing fluid defoaming system. Defoaming device, including the main part, the main part includes: the dispersion cavity comprises an opening part, and liquid flows to the dispersion cavity through the opening part; the scattering device is assembled in the dispersion cavity, a flow guide channel is formed in the flow guide cover, and the flow guide channel is communicated with the dispersion cavity through the opening part. Compared with the prior art, this application reduces the resistance of the ware of breaing up at the power unit of breaing up the in-process, effectively improves defoaming efficiency.

Description

Defoaming device and fracturing fluid defoaming system

Technical Field

The application relates to the technical field of fracturing equipment, especially, relate to a fire fighting equipment and fracturing fluid defoaming system.

Background

At present, most of the preparation processes of fracturing fluids adopt water and powder for mixing, foams are easily generated in the mixing and liquid preparation process due to the fact that the fracturing fluids belong to various reasons such as chemicals, and the foams are large in amount, so that the fracturing fluid discharging speed of later-stage mixing equipment is unstable. Because the foam is more, the tradition mode is adding chemical defoaming agent, however the defoaming agent itself also is the chemical and probably can exert an influence and then influence whole fracturing operation to the chemical properties of fracturing fluid, the protection of the abundant use of defoaming agent to the environment has also produced certain harm simultaneously, and conventional defoamer breaks the bubble through the direct rotation in the fracturing fluid that mixes of impeller, and the resistance that this kind of defoaming mode impeller received in rotatory is big, and the bubble is broken the back and is gone out liquid slowly, therefore the problem of defoaming inefficiency.

Disclosure of Invention

In order to solve the technical problem that the defoaming agent uses many environmental pollution big, defoaming inefficiency, the main aim at of this application provides one kind can environmental pollution little, efficient a defoaming device of defoaming and fracturing fluid defoaming system.

In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:

according to an aspect of the present application, there is provided a bubble removing device including a main body including:

a dispersion chamber including an opening;

a breaker assembled in the dispersion chamber;

and the flow guide cover is internally provided with a flow guide channel, the flow guide channel is communicated with the dispersion cavity through the opening part, and the flow guide channel is used for leading out liquid.

According to an embodiment of the application, wherein the breaker includes impeller and power unit, the impeller rotationally assemble in power unit, the dispersion chamber includes the wall body, the wall body with broken wall district has between the periphery of impeller, broken wall district with water conservancy diversion passageway intercommunication.

According to an embodiment of the application, wherein the wall body is cylindric shell structure, the wall body with the impeller sets up coaxially, the diameter of wall body is greater than the diameter of impeller, broken wall district include the wall body with the cavity between the impeller periphery.

According to an embodiment of the present disclosure, the air guide sleeve includes a first air guide wall and a second air guide wall, the first air guide wall is provided with a first air guide end and a second air guide end, and the second air guide wall is provided with a third air guide end and a fourth air guide end;

the diversion channel comprises a liquid inlet and a liquid outlet, the liquid inlet is communicated with the opening part, the diversion channel is formed between the first diversion wall and the second diversion wall, the liquid inlet is formed between the first diversion end and the third diversion end, and the liquid outlet is formed between the second diversion end and the fourth diversion end.

According to an embodiment of the present application, the air guide sleeve further includes a support portion, one end of the support portion is assembled to the first air guide wall, and the other end of the support portion is assembled to the second air guide wall.

According to an embodiment of the present application, the main body includes a housing cover including a first connection port and a second connection port, the first connection port communicates with the opening portion, the second connection port faces the bubble region, and a cross-sectional area of the housing cover is gradually reduced from the second connection port to the first connection port.

According to another aspect of the application, a fracturing fluid defoaming system is provided and comprises the defoaming device.

According to an embodiment of the present application, the mixing vessel comprises a plurality of partitions, and a compartment is arranged between the partitions;

the device comprises a plurality of flow openings, wherein the flow openings are arranged on partition plates between adjacent separate cavities;

at least one said bubble removal means is disposed upstream of one said flow-through orifice.

According to an embodiment of the present application, the device comprises at least one agitator and at least one bubble trap, wherein the agitator is rotatably mounted in the compartment, and the bubble trap is disposed at the flow-through opening.

According to an embodiment of the application, wherein block bubble ware includes the frame, blocks bubble net and returning face plate, block bubble net assemble in the returning face plate, the returning face plate with be provided with the axle piece between the frame, the returning face plate passes through the axle piece rotationally assemble in the frame.

According to an embodiment of the present application, the bubble blocking net comprises a plurality of layers of steel wire meshes.

According to an embodiment of the present application, wherein the agitator comprises:

the rotating mechanism comprises a rotating shaft and a driving piece, and the driving piece drives the rotating shaft to rotate;

the stirring blades are arranged on the periphery of the rotating shaft at intervals along the circumferential direction;

the defoaming paddle comprises a plurality of curved bars, and the curved bars are arranged on the peripheral side of the rotating shaft at intervals along the circumferential direction.

According to an embodiment of the application, the curved bar has a serpentine configuration.

According to the technical scheme, the defoaming device and the fracturing fluid defoaming system have the advantages and positive effects that:

when power unit drives the breaker breaks up the bubble of dispersion intracavity, on the one hand, because the breaker sets up in the dispersion intracavity, can effectively reduce the resistance of breaker at the power unit of in-process of breaking up, on the other hand carries out the secondary defoaming to the bubble through the kuppe, still can accelerate through the water conservancy diversion passageway simultaneously the derivation of interior liquid improves the efficiency of defoaming in-process.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic overall cross-sectional structure diagram of a defoaming device provided in an embodiment of the present application;

fig. 2 is a schematic perspective view of a defoaming device provided in an embodiment of the present application;

FIG. 3 is a schematic partial sectional view of a defoaming device according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a mixing container in a defoaming system for fracturing fluid according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a defoaming principle in a defoaming system for fracturing fluid according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of an agitator in a defoaming system for fracturing fluid according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a bubble trap in a defoaming system for fracturing fluid according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of an overall structure of a defoaming system for fracturing fluid according to an embodiment of the present application.

10. A main body;

1. a dispersion chamber; 101. an opening part; 102. a wall body; 103. a wall breaking area;

2. a breaker; 201. an impeller;

3. a power mechanism;

4. a pod; 401. a flow guide channel; 402. a first guide wall; 421. a first diversion end; 422. a second diversion end; 403. a second guide wall; 431. a third diversion end; 432. a fourth diversion end; 404. a support portion; 405. a liquid outlet; 406. a liquid inlet;

5. a storage cover; 501. a first connection port; 502. a second connection port;

20. a mixing vessel; 21. a partition plate;

6. a compartment; 7. a flow-through port;

8. a stirrer; 801. a rotation mechanism; 802. stirring blades; 803. defoaming paddles;

9. a bubble blocking device; 901. a frame; 902. blocking the bubble net; 903. a turnover plate; 904. a shaft member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. 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 application.

Fracturing is a main measure for increasing the yield of oil and gas fields, and a large amount of fracturing base fluid is needed in the fracturing construction operation at home and abroad at present, particularly in the fracturing construction site of shale gas. Most of the preparation processes of the fracturing fluid at present adopt water, powder is mixed, the concentrated solution that also adopts mixes the diluted mode and mixes, no matter which kind of mode is in the liquid process of mixing and joining because many-sided reasons such as itself belongs to chemicals, all produce the foam very easily, lead to mixing equipment discharge unstability unable normal operation promptly, also lead to downstream equipment foam to increase easily, the traditional mode of solving the problem is to add chemical defoaming agent, nevertheless defoaming agent itself also is the chemicals and probably can influence the chemical properties of fracturing fluid and then influence whole fracturing operation, the protection of the abundant use of defoaming agent to the environment has also produced certain harm simultaneously.

In the current fracturing construction process, the application of the on-site mixing and using fracturing fluid mixing equipment is increasingly wide, along with the increase of the fracturing scale and the increase of the large-discharge mixing operation process, the problem of generating bubbles in the fluid preparation process is more and more serious, even the operation can not be carried out without using a defoaming agent, so the defoaming problem becomes a difficult problem in the oil field fracturing fluid mixing industry.

The technical scheme of this application proposes to produce the bubble when adopting the physical pattern to eliminate oil field fracturing fluid and thoughtlessly join in marriage the operation, further promotes to thoughtlessly join in marriage the mixed operation efficiency, promotes the fracturing fluid quality, reduces the bubble, reduces the use of defoaming agent, makes the fracturing fluid thoughtlessly join in marriage the operation environmental protection more, high-efficient.

According to an aspect of the present application, there is provided a bubble removing device including a main body 10, the main body 10 including:

a dispersion chamber 1 including an opening 101;

a breaker 2 assembled in the dispersion chamber 1;

the flow guide cover 4 is provided with a flow guide channel 401 formed in the flow guide cover 4, the flow guide channel 401 is communicated with the dispersion cavity 1 through the opening part 101, and the flow guide channel 401 is used for leading out liquid.

Referring to fig. 1-2, bubbles flow to the dispersion chamber 1 through the opening 101, the breaker 2 defoams in the dispersion chamber 1, the defoamed liquid flows to the inside of the dome 4 through the dispersion chamber 1, and the liquid is led out through the diversion channel 401, so that the situation that the breaker 2 is in direct contact with the bubbles in the mixing container 20 in the operation process can be effectively avoided, the operation resistance is low during starting, the defoaming efficiency of the breaker 2 can be effectively improved, on the other hand, the small bubbles existing in the liquid can be further defoamed through the diversion channel 4, the bubbles are reduced, the liquid can be led out as soon as possible, and the liquid outflow efficiency is improved.

By way of example, the disperser 2 may employ rotating blades, fins, impellers 201.

According to an embodiment of the present application, the scattering device 2 includes an impeller 201 and the power mechanism 3, the impeller 201 is rotatably assembled to the power mechanism 3, the scattering cavity 1 includes a wall 102, a wall breaking area 103 is provided between the wall 102 and the periphery of the impeller 201, and the wall breaking area 103 is communicated with the diversion channel 401.

According to an embodiment of the present application, the wall 102 is a cylindrical shell structure, the wall 102 and the impeller 201 are coaxially disposed, the diameter of the wall 102 is larger than that of the impeller 201, and the wall breaking area includes a cavity between the wall and the outer periphery of the impeller 201.

The wall breaking area 103 and the wall body 102 have a certain radial interval, the dispersion cavity 1 is cylindrical, the wall body 102 is of a cylindrical shell structure, the impeller 201 and the wall body 102 are coaxially arranged, and the wall body 102 is provided with a thorn-shaped sharp-angled structure (not marked in the figure) facing the wall breaking area 103, so as to further improve the defoaming efficiency.

After the impeller 201 is scattered for the first time, the liquid is guided through the wall body 102, meanwhile, small bubbles in the liquid are defoamed for the second time, and the pressure between the air inlet in the impeller 201 and the outside is adjusted through the wall breaking area 103, so that the liquid is discharged as soon as possible. According to an embodiment of the present application, the dispersion chamber 1 extends along an axial direction of the impeller 201, the guide housing 4 is disposed at the opening 101, and the guide passage 401 extends along a radial direction of the impeller 201. The liquid outlet direction of the flow guide channel 401 is the same as that of the impeller 201, and the speed of the flow guide channel 401 in the liquid outlet process can be increased.

As an example, the diversion channel 401 is connected to the outlet of the mixing chamber in the mixing container 20 to further improve the liquid discharge efficiency.

As an example, the air guide sleeve 4 is provided with a thorn-shaped pointed structure (not labeled in the figure) facing the air guide channel 401, so as to further improve the defoaming efficiency.

According to an embodiment of the present application, the main body 10 includes a housing cover 5, the housing cover 5 includes a first connection port 501 and a second connection port 502, the first connection port 501 communicates with the opening 101, the second connection port 502 faces an air bubble region in the mixing chamber, and a cross-sectional area of the housing cover 5 is gradually reduced from the second connection port 502 to the first connection port 501.

The first connection port 501 of the housing cover 5 is communicated with the opening 101, or the first connection port 501 is communicated with the center portion of the guide passage 401, so that the liquid is guided out from the inner wall of the guide cover 4 depending on the centrifugal force.

Referring to fig. 3, according to an embodiment of the present disclosure, the pod includes a first flow guiding wall 402 and a second flow guiding wall 403, the first flow guiding wall 402 is provided with a first flow guiding end 421 and a second flow guiding end 422, and the second flow guiding wall 403 is provided with a third flow guiding end 431 and a fourth flow guiding end 432;

the flow guide channel 401 includes an inlet 406 and an outlet 405, the inlet 406 is communicated with the opening, the flow guide channel is formed between the first flow guide wall 402 and the second flow guide wall 403, the inlet 406 is formed between the first flow guide end 421 and the third flow guide end 431, and the outlet 405 is formed between the second flow guide end 422 and the fourth flow guide end 432.

According to an embodiment of the present application, the pod 4 further includes a support portion 404, one end of the support portion 404 is mounted to the first guide wall 402, and the other end is mounted to the second guide wall 403.

According to an embodiment of the present disclosure, the pod 4 includes a first flow guiding wall 402, a second flow guiding wall 403 and a supporting portion 404, the first flow guiding wall 402 is disposed at the opening 101, the first flow guiding wall 402 and the second flow guiding wall 403 are assembled and fixed by the supporting portion 404, and the flow guiding channel 401 is disposed between the first flow guiding wall 402 and the second flow guiding wall 403.

As an example, the first flow guiding wall 402 and the second flow guiding wall 403 may be configured as a plate-shaped structure, and the first flow guiding wall 402 and the second flow guiding wall 403 are spaced by a certain distance through the supporting portion 404 to form the flow guiding channel 401, so that the first flow guiding wall 402 and the thorn-shaped pointed structures on the second flow guiding wall 403 may be meshed and distributed, and further, in the process that the liquid flows out from the liquid inlet 406 to the liquid outlet 405, small bubbles in the liquid are defoamed for three times, thereby further improving defoaming efficiency.

According to an embodiment of the present application, the diversion channel 401 includes a liquid outlet 405, the liquid outlet 405 is disposed on the periphery of the diversion cover 4, and the liquid outlet 405 is used for flowing out the liquid. For example, the first guide wall 402 and the second guide wall 403 may be configured as a plate-shaped structure, the first guide wall 402 and the second guide wall 403 are spaced by a certain distance through the supporting portion 404 to form the guide channel 401, and openings distributed along the circumferential direction of the impeller 201 may be disposed on the circumferential sides of the first guide wall 402 and the second guide wall 403, so that the liquid in the guide channel 401 is rapidly discharged, and the discharge efficiency is improved.

Meanwhile, the first guide wall 402 and the second guide wall 403 can be meshed and distributed, so that small bubbles in the liquid are defoamed for three times in the flowing process of the liquid, and the defoaming efficiency is further improved.

According to another aspect of the application, a fracturing fluid defoaming system is provided and comprises the defoaming device.

According to an embodiment of the present application, the mixing vessel is provided, and the mixing vessel comprises a plurality of partitions 21, and a compartment 6 is arranged between the partitions 21;

comprises a plurality of flow-through holes 7, wherein the flow-through holes 7 are arranged on the partition boards 21 between the adjacent compartments 6, and fracturing fluid flows among the plurality of compartments 6 through the flow-through holes 7;

at least one of the defoaming devices is disposed upstream of one of the flow-through holes 7.

As an example, referring to fig. 4 to 8, in the oil field fracturing fluid mixing operation equipment, the mixing vessel (mixing tank) may be a single vessel, or may be divided into 1 or more compartments in the vessel, the mixed fluid may be mixed by flowing up and down, flowing left and right, or stirring by rotation in the vessel, and the defoaming device described above may be provided before any compartment or compartments (corresponding to compartment 6) to defoam the foam multiple times per flow passage 7.

According to an embodiment of the present application, the device comprises at least one agitator 8 and at least one bubble trap 9, wherein the agitator 8 is rotatably mounted in the compartment 6, the bubble trap 9 is disposed in the flow passage 7, and the fracturing fluid flows in the plurality of compartments 6 through the bubble trap 9.

As an example, the mixing vessel (mixing tank) may be a single vessel, or may be divided into 1 or more compartments in the vessel, the mixed liquid may be mixed by flowing in the vessel by means of up-and-down overflow, left-and-right flow, rotary stirring, or the like, the defoaming device described above may be provided in front of any one or more compartments (corresponding to the compartment 6) to defoam the foam multiple times per flow port 7, the foam trap 9 may be provided in the liquid flow port 7, the defoaming device (corresponding to the defoaming device) may be provided in front of the foam trap 9, and the defoaming function of the fracturing fluid may be realized by a structure and method of foam trap + mechanical defoaming.

According to an embodiment of the present application, the bubble blocking device 9 includes a frame 901, a bubble blocking net 902, and a turning plate 903, where the bubble blocking net 902 is assembled to the turning plate 903, a shaft 904 is disposed between the turning plate 903 and the frame 901, and the turning plate 903 is rotatably assembled to the frame 901 through the shaft 904.

Referring to fig. 6, the bubble blocking net 902 includes a plurality of layers, the frame 901 is fixed to the flow through opening 7, the bubble blocking net 902 is arranged on the turning plate 903, and the turning plate 903 drives the bubble blocking net 902 to rotate relative to the flow through opening 7 through the shaft 904, so that the defoaming angle between the bubble blocking device 9 and the flow through opening 7 can be adjusted, the use flexibility is improved, and in addition, when the bubble blocking net 902 needs to be replaced, the operation of workers is facilitated.

According to an embodiment of the present application, the bubble blocking net 902 includes multiple layers of steel wire mesh.

According to an embodiment of the present application, wherein said agitator 8 comprises:

the rotating mechanism 801 comprises a rotating shaft and a driving piece, and the driving piece drives the rotating shaft to rotate;

a plurality of stirring vanes 802, wherein the plurality of stirring vanes 802 are arranged on the circumferential side of the rotating shaft at intervals along the circumferential direction;

the defoaming paddle 803 includes a plurality of curved bars, and the curved bars are circumferentially spaced at the circumferential side of the rotating shaft.

As an example, the fracturing fluid in the mixing cavity is stirred by the stirrer 8, the driving member drives the rotating shaft to rotate, the stirring blade 802 and the defoaming paddle 803 rotate synchronously, and defoaming of gas bubbles in the fracturing fluid is realized while stirring.

By way of example, according to an embodiment of the present application, the curved rod has a serpentine structure, so that the fracturing fluid can be stirred and defoamed by the curved rod.

Preferably, a thorn-shaped sharp-angled structure can be arranged on the curved bar and the stirring blade 802, so that the fracturing fluid can be better defoamed.

Preferably, the plurality of flow-through holes 7 are distributed in a staggered manner to enhance the mixing effect of the fracturing fluid in the mixing container 20.

Based on fracturing fluid mixing operation equipment in the field of oil fields, a mixing container (mixing tank) can be a single container, or can be divided into more than 1 compartment in the container, the mixed fluid flows and is mixed in the container in a mode of up-down overflow, left-right flow, rotary stirring and the like, a foam blocking device 9 is arranged at any compartment or a plurality of compartment liquid flowing ports 7, a foam breaker is arranged in front of the foam blocking device 9, and the function of defoaming the fracturing fluid is realized through a structure and a method of blocking foam and mechanical defoaming;

in the technical scheme, the defoaming device comprises a defoamer and a foam blocking device 9, foam is blocked and collected through the foam blocking device 9, and then the foam is rapidly eliminated through the defoamer, the two devices can be matched for use and can also be used independently, and large and small foams generated in the devices can be rapidly eliminated when the two devices are matched for use, so that the defoaming device is suitable for the conditions of large bubble quantity and high bubble generation speed; according to different structures and different operation processes of the mixing equipment, a defoamer can be independently arranged, the defoamer can suck and quickly eliminate a large amount of bubbles on the upper surface of the liquid, and when the bubble blocking device 9 assembly is independently used, floating bubbles of the liquid flowing through can be quickly broken through the multilayer woven steel wire meshes of the bubble blocking device 9, so that the defoaming function can be realized;

the defoamer sucks foam generated in a tank into the defoamer by the principle that an impeller 201 rotates to generate negative pressure suction, then breaks up the foam by the multi-blade impeller 201, throws the foam onto a fan shield, and then throws out liquid after the foam is broken through a liquid outlet reserved specially for the shield, so that a defoaming function is realized;

the bubble blocking device 9 removes bubbles, liquid carrying the foams flows through the bubble blocking device 9, the multiple layers of defoaming steel wire meshes in the bubble blocking device 9 can cut the flowing foams through dense steel wires to remove the foams, and the multiple layers of defoaming steel wire meshes can be replaced by opening the turnover fixing plate;

two modes of a high-speed motor and a high-speed hydraulic motor are selected to provide power for the defoamer, and any power mode can be selected according to matched equipment and the conditions of an oil field well site;

the rotating defoaming structure of the defoamer can defoam by sucking foam through negative pressure generated by rotation, and can also directly rotate and break up foam through blades, fins, impellers 201 and the like of the rotating mechanism 801, so that the rotating defoaming effect is also achieved;

the rotating defoaming structure can be installed in a defoamer for defoaming, or can be installed on a stirring device in a mixing container, and can rotate along with the stirring device to directly break up foam through rotating blades, fins, impellers 201 and the like.

The defoaming purpose of a physical type is realized by using a mechanical structure, so that the blending operation of the fracturing fluid is not influenced by the problem of bubbles, a chemical defoaming agent is not required to be added, the chemical addition characteristic of the fracturing fluid is not influenced, the pollution of the defoaming agent to the underground environment is eliminated, and the blending operation with more environmental protection and high efficiency is realized;

the defoaming device is provided with two modes of electric driving and hydraulic driving, can be continuously used for a long time, does not influence the service life of equipment during idling, has adjustable rotating speed, can improve defoaming capability when operated at high rotating speed, can meet the large-discharge mixing operation process, and solves the problem of defoaming in the industry;

the defoaming device can be matched with movable fracturing fluid mixing equipment which can be used in a mixing mode on site for operation, and can also be used in fixed environments such as stations and factories for mixing the fracturing fluid used in oil fields;

the defoaming device can be combined and configured or can be independently installed, can be randomly configured according to different oil field fracturing fluid mixing equipment, is simple to install, and can be installed on new equipment or old equipment in a modified mode.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (14)

1. A foam reducing apparatus comprising a body (10), the body (10) comprising:

a dispersion chamber (1) including an opening (101);

a scattering device (2) which is assembled in the dispersion chamber (1), and the scattering device (2) faces the opening part;

the air guide sleeve (4) is provided with an air guide channel (401) in the air guide sleeve (4), and the air guide channel (401) is communicated with the dispersion cavity (1) through the opening part (101).

2. The defoaming apparatus according to claim 1, wherein the breaker (2) comprises an impeller (201) and a power mechanism (3), the impeller (201) being rotatably mounted to the power mechanism (3);

the dispersion cavity (1) comprises a wall body (102), a wall breaking area (103) is arranged between the wall body (102) and the periphery of the impeller (201), and the wall breaking area (103) is communicated with the flow guide channel (401).

3. A defoaming apparatus according to claim 2, characterized in that said wall (102) is a cylindrical shell structure, said wall (102) is arranged coaxially with said impeller (201), said wall (102) has a larger diameter than said impeller (201), and said wall breaking zone (103) comprises a cavity between said wall (102) and the periphery of said impeller (201).

4. The defoaming apparatus according to claim 2, wherein the air guide sleeve (4) comprises a first air guide wall (402) and a second air guide wall (403), the first air guide wall (402) is provided with a first air guide end (421) and a second air guide end (422), and the second air guide wall (403) is provided with a third air guide end (431) and a fourth air guide end (432);

the flow guide channel (401) comprises a liquid inlet (406) and a liquid outlet (405), the liquid inlet (406) is communicated with the opening portion, the flow guide channel (401) is formed between the first flow guide wall (402) and the second flow guide wall (403), the liquid inlet (406) is formed between the first flow guide end (421) and the third flow guide end, and the liquid outlet (405) is formed between the second flow guide end (422) and the fourth flow guide end (432).

5. The bubble removing device as recited in claim 4, wherein the air guide sleeve further comprises a support portion (404), one end of the support portion (404) is mounted to the first guide wall (402), and the other end is mounted to the second guide wall (403).

6. The bubble removing apparatus according to claim 1, wherein the main body (10) comprises a housing cover (5), the housing cover (5) comprises a first connection port (501) and a second connection port (502), the first connection port (501) communicates with the opening portion (101), the second connection port (502) faces a bubble area, and a cross-sectional area of the housing cover (5) is gradually reduced from the second connection port (502) to the first connection port (501).

7. A foam breaker arrangement according to claim 1 wherein the flow guide channel (401) comprises an outlet (405), the outlet (405) being arranged on the circumferential side of the flow guide housing (4), the outlet (405) being for outflow of liquid.

8. A defoaming system for fracturing fluid, comprising the defoaming device of any one of claims 1 to 6.

9. The fracturing fluid defoaming system of claim 8, comprising a mixing vessel (20), wherein the mixing vessel (20) comprises a plurality of partitions (21), and a compartment (6) is arranged between the partitions (21);

comprises a plurality of flow-through holes (7), wherein the flow-through holes (7) are arranged on the partition board between the adjacent separation cavities (6);

at least one of the defoaming devices is disposed upstream of one of the flow-through ports (7).

10. The fracturing fluid defoaming system of claim 9, comprising at least one agitator (8) and at least one bubble trap (9), wherein the agitator (8) is rotatably mounted in the compartment (6), and the bubble trap (9) is disposed in the flow-through port (7).

11. The fracturing fluid defoaming system of claim 10, wherein the bubble trap (9) comprises a frame (901), a bubble trap net (902) and a turnover plate (903), wherein the bubble trap net (902) is assembled on the turnover plate (903), a shaft element (904) is arranged between the turnover plate (903) and the frame (901), and the turnover plate (903) is rotatably assembled on the frame (901) through the shaft element (904).

12. The fracturing fluid defoaming system of claim 11, wherein the bubble trapping net (902) comprises a plurality of layers of steel wire mesh.

13. The fracturing fluid defoaming system of claim 11, wherein said agitator (8) comprises:

the rotating mechanism (801) comprises a rotating shaft and a driving piece, wherein the rotating shaft is rotatably assembled on the driving piece;

the stirring blades (802) comprise a plurality of stirring blades (802), and the plurality of stirring blades (802) are arranged on the peripheral side of the rotating shaft at intervals along the circumferential direction;

defoaming oar (803), including a plurality of knee levers, it is a plurality of the knee lever along the circumference interval set up in week side of pivot.

14. The fracturing fluid defoaming system of claim 13, wherein said curved bar has a serpentine configuration.

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