CN218221895U - Mixer and pipeline structure - Google Patents

Abstract

The utility model provides a blender and pipeline structure, the blender includes: the mixer body is used for being arranged in the pipeline and provided with a first inlet and a second outlet, and projections of the first inlet and the second outlet on the cross section of the pipeline and the projection of the first inlet and the projection of the second outlet on the cross section of the pipeline are both positioned in the middle of the cross section; the blender body is used for forming second import and first export with pipe inner wall, forms first runner between first import and the first export, and the projected at least part of first export on the cross section is located one side that the projected of first import on the cross section is close to pipe inner wall, forms the second runner between second import and the second export, and the projected at least part of second import on the cross section is located one side that the projected of second export on the cross section is close to pipe inner wall, the utility model discloses a blender has solved the unable problem with fluid homogeneous mixing of blender among the prior art.

Description

Mixer and pipeline structure

Technical Field

The utility model relates to a fluid control technical field particularly, relates to a blender and pipeline structure.

Background

When fluid such as liquid or gas is conveyed in a pipeline, after the fluid flowing at low speed passes through the heat exchanger, temperature nonuniformity is easily presented on a flow section, which is mainly reflected that the temperature at the center of the fluid is different from the temperature at the edge of the fluid close to a wall surface.

At present, mixers for changing the temperature of the center and the edge of a fluid have certain defects, and have the problem of excessively complex mixer structures, the complex mixer structures cause more times of fluid turning, and the complex mixer structures have larger resistance in flowing, so that the flowing speed of the fluid in a pipeline is influenced; in addition, the mixer has the problem of low efficiency due to local offset deflection, and in this state, the central fluid and the edge fluid cannot be completely mixed, so that the cross section temperature of the fluid passing through the mixer cannot be uniform.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a mixer and a pipe structure, which can solve the problem of the prior art that the mixer can not mix the fluid uniformly.

In order to achieve the above object, according to an aspect of the present invention, there is provided a mixer, including: the mixer body is used for being arranged in the pipeline and provided with a first inlet and a second outlet, and the projections of the first inlet and the second outlet on the cross section of the pipeline are positioned in the middle of the cross section; wherein the cross section is perpendicular to the axis of the pipe; the mixer body is used for forming a second inlet and a first outlet with the inner wall of the pipeline, a first flow channel is formed between the first inlet and the first outlet, at least part of the projection of the first outlet on the cross section is positioned on one side, close to the inner wall of the pipeline, of the projection of the first inlet on the cross section, a second flow channel is formed between the second inlet and the second outlet, at least part of the projection of the second inlet on the cross section is positioned on one side, close to the inner wall of the pipeline, of the second outlet on the cross section, so that fluid in the pipeline enters the first flow channel from the first inlet and enters the second flow channel from the second inlet respectively, the fluid in the first flow channel flows out to the pipeline through the first outlet, and the fluid in the second flow channel flows out to the pipeline through the second outlet.

Further, the second inlet and the first outlet are located on opposite sides of the mixer body.

Further, the mixer body comprises a first pipe section and a first baffle, wherein a first inlet is formed at the first end of the first pipe section, and a second end of the first pipe section is communicated with a first outlet; a first annular hole is formed between the first pipe section and the inner wall of the pipeline, and the first annular hole is divided into a first hole opening part and a second inlet along the radial direction of the first annular hole; the first baffle is connected with the outer wall of the first pipe section and used for blocking the first opening part.

Further, the mixer body comprises a second pipe section and a second baffle, wherein the first end of the second pipe section is communicated with the second inlet, and the second end of the second pipe section forms a second outlet; a second annular hole is formed between the second pipe section and the inner wall of the pipeline, and the second annular hole is divided into a second hole opening part and a first outlet along the radial direction of the second annular hole; the second baffle is connected with the outer wall of the second pipe section and used for plugging the second hole opening part.

Further, the mixer body further comprises a partition, the partition is arranged between the first pipe section and the second pipe section, a first end of the partition is connected with the first pipe section, and a second end of the partition is connected with the second pipe section; a first channel and a second channel which are separated are formed between the separating piece and the inner wall of the pipeline, the first end of the first channel is communicated with the second end of the first pipe section, and the second end of the first channel is communicated with the first outlet; the first end of the second channel is communicated with the second inlet, and the other end of the second channel is communicated with the first end of the second pipe section.

Furthermore, the separator comprises a first plate section, a second plate section and a third plate section, the second plate section is provided with a first abutting end and a second abutting end which are oppositely arranged along the first extending direction of the second plate section, and the first abutting end and the second abutting end are both used for abutting against the inner wall of the pipeline; the second plate section is provided with a first connecting end and a second connecting end which are oppositely arranged along the second extending direction, the first connecting end divides a first opening of the second end of the first pipe section into a first opening part and a second opening part, and the first plate section is connected with the first pipe section and blocks the first opening part; the second connecting end divides a second opening at the first end of the second pipe section into a third opening and a fourth opening, and the third plate section is connected with the second pipe section and blocks the third opening; wherein the second extending direction is perpendicular to the first extending direction.

Further, the first baffle and the second baffle are both connected with the second plate section.

Furthermore, the first pipe section is a circular pipe, and the first plate section is semicircular; and/or the second pipe section is a round pipe, and the second plate section is semicircular.

Further, the center line of the first pipe section is used for being overlapped with the center line of the pipeline, and the center line of the second pipe section is used for being overlapped with the center line of the pipeline.

According to another aspect of the utility model, a pipeline structure is provided, including the pipeline, wherein, be provided with foretell blender in the pipeline.

The mixer of the utility model comprises a mixer body which is arranged in the pipeline and is provided with a first inlet and a second outlet; the mixer body is used for forming a second inlet and a first outlet with the inner wall of the pipeline, a first flow channel is formed between the first inlet and the first outlet, and a second flow channel is formed between the second inlet and the second outlet, so that fluid in the pipeline enters the first flow channel from the first inlet and enters the second flow channel from the second inlet respectively, the fluid in the first flow channel flows out to the pipeline through the first outlet, and the fluid in the second flow channel flows out to the pipeline through the second outlet. Because the projection of the first inlet and the second outlet on the cross section of the pipeline is not intersected with the inner wall of the pipeline and is positioned in the middle of the cross section, at least part of the projection of the first outlet on the cross section is positioned on one side, close to the inner wall of the pipeline, of the projection of the first inlet on the cross section, at least part of the projection of the second inlet on the cross section is positioned on one side, close to the inner wall of the pipeline, of the projection of the second outlet on the cross section, and then the fluid entering the first flow channel from the first inlet is close to the center of the pipeline, passes through the first flow channel and flows out to the edge of the pipeline from the first outlet; the fluid entering the second flow channel from the second inlet is close to the edge of the pipeline, passes through the second flow channel and flows out of the second outlet to the center of the pipeline, so that the exchange of the fluid at the edge and the center of the pipeline is realized, the fluid is uniformly mixed, and the problem that the fluid cannot be uniformly mixed by a mixer in the prior art is solved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of an embodiment of a pipe structure according to the invention;

figure 2 shows an axonometric view of the mixer body of the mixer according to the invention;

fig. 3 shows a cross-sectional view of a mixer body of a mixer according to the invention.

Wherein the figures include the following reference numerals:

10. a pipeline; 20. a mixer body; 21. a first inlet; 22. a second inlet; 23. a first outlet; 24. a second outlet; 25. a first flow passage; 26. a second flow passage; 31. a first tube section; 32. a first baffle plate; 33. a first annular aperture; 34. a first opening portion; 35. a first opening portion; 36. a second opening portion; 41. a second tube section; 42. a second baffle; 43. a second annular aperture; 44. a second opening portion; 45. a third opening section; 46. a fourth opening portion; 50. a separator; 51. a first channel; 52. a second channel; 53. a first plate section; 54. a second plate section; 55. a third plate section; 60. a mixer.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The utility model provides a mixer, please refer to fig. 1 to fig. 3, the mixer includes: a mixer body 20 for being arranged in the duct 10, the mixer body 20 having a first inlet 21 and a second outlet 24, the projections of the first inlet 21 and the second outlet 24 on the cross section of the duct 10 being both located in the middle of the cross section; wherein the cross-section is perpendicular to the axis of the pipe 10; the mixer body 20 is configured to form a second inlet 22 and a first outlet 23 with the inner wall of the pipeline 10, a first flow passage 25 is formed between the first inlet 21 and the first outlet 23, at least part of the projection of the first outlet 23 in cross section is located on one side of the projection of the first inlet 21 in cross section close to the inner wall of the pipeline 10, a second flow passage 26 is formed between the second inlet 22 and the second outlet 24, and at least part of the projection of the second inlet 22 in cross section is located on one side of the projection of the second outlet 24 in cross section close to the inner wall of the pipeline 10, so that the fluid in the pipeline 10 enters the first flow passage 25 from the first inlet 21, enters the second flow passage 26 from the second inlet 22, and flows out the fluid in the first flow passage 25 to the pipeline 10 through the first outlet 23, and flows out the fluid in the second flow passage 26 to the pipeline 10 through the second outlet 24.

The mixer of the utility model comprises a mixer body 20 arranged in the pipeline 10, wherein the mixer body 20 is provided with a first inlet 21 and a second outlet 24; the mixer body 20 is configured to form a second inlet 22 and a first outlet 23 with an inner wall of the pipe 10, a first flow channel 25 is formed between the first inlet 21 and the first outlet 23, and a second flow channel 26 is formed between the second inlet 22 and the second outlet 24, so that the fluid in the pipe 10 enters the first flow channel 25 from the first inlet 21 and enters the second flow channel 26 from the second inlet 22, and the fluid in the first flow channel 25 flows out to the pipe 10 through the first outlet 23, and the fluid in the second flow channel 26 flows out to the pipe 10 through the second outlet 24. Since the projection of the first inlet 21 and the second outlet 24 on the cross section of the pipeline 10 does not intersect with the inner wall of the pipeline 10, and is located in the middle of the cross section, and at least part of the projection of the first outlet 23 on the cross section is located on the side of the projection of the first inlet 21 on the cross section close to the inner wall of the pipeline 10, and at least part of the projection of the second inlet 22 on the cross section is located on the side of the projection of the second outlet 24 on the cross section close to the inner wall of the pipeline 10, the fluid entering the first flow passage 25 from the first inlet 21 is close to the center of the pipeline 10, passes through the first flow passage 25 and flows out from the first outlet 23 to the edge of the pipeline 10; the fluid entering the second flow channel 26 from the second inlet 22 is close to the edge of the pipeline 10, passes through the second flow channel 26 and flows out to the center of the pipeline 10 from the second outlet 24, so that the exchange of the fluid at the edge and the center of the pipeline 10 is realized, the fluid is uniformly mixed, and the problem that the fluid cannot be uniformly mixed by the mixer in the prior art is solved.

Specifically, the projection of the first outlet 23 in cross section is located on the side of the projection of the first inlet 21 in cross section close to the inner wall of the duct 10, the second inlet 22 and the second outlet 24 form a second flow passage 26 therebetween, and the projection of the second inlet 22 in cross section is located on the side of the projection of the second outlet 24 in cross section close to the inner wall of the duct 10. Such an arrangement provides for substantial exchange of fluid at the edges and center of the tube 10, enhancing the uniformity of fluid mixing.

In this embodiment, the second inlet 22 and the first outlet 23 are located on opposite sides of the mixer body 20. This arrangement prevents the fluid entering through the second inlet 22 and exiting through the first outlet 23 from colliding, thereby ensuring a uniform mixing effect of the mixer.

In the present embodiment, the mixer body 20 includes a first pipe segment 31 and a first baffle 32, a first end of the first pipe segment 31 forms the first inlet 21, and a second end of the first pipe segment 31 communicates with the first outlet 23; a first annular hole 33 is formed between the first pipe section 31 and the inner wall of the pipeline 10, and the first annular hole 33 is divided into a first opening part 34 and a second inlet 22 along the radial direction of the first annular hole 33; a first baffle 32 is connected to the outer wall of the first tube section 31, the first baffle 32 being adapted to close off the first aperture portion 34.

In specific implementation, since the second inlet 22 and the first outlet 23 are located at opposite sides of the mixer body 20, the first opening portion 34 close to the first outlet 23 is blocked by the first blocking plate 32, so that the fluid flows in from the second inlet 22, thereby realizing the position change of the fluid.

In this embodiment, the mixer body 20 includes a second pipe section 41 and a second baffle 42, a first end of the second pipe section 41 is communicated with the second inlet 22, and a second end of the second pipe section 41 forms the second outlet 24; a second annular hole 43 is formed between the second pipe segment 41 and the inner wall of the pipe 10, and the second annular hole 43 is divided into a second opening portion 44 and the first outlet 23 along the radial direction thereof; a second baffle 42 is connected to the outer wall of the second pipe section 41, and the second baffle 42 is used for blocking the second opening portion 44.

In practical implementation, since the second inlet 22 and the first outlet 23 are located at opposite sides of the mixer body 20, the second annular hole 43 is divided into the second opening portion 44 and the first outlet 23 along the radial direction thereof, and the second opening portion 44 is blocked by the second blocking plate 42, so that the fluid flows out from the first outlet 23, thereby realizing the position change of the fluid.

In the present embodiment, the mixer body 20 further includes a partition 50, the partition 50 being disposed between the first pipe segment 31 and the second pipe segment 41, a first end of the partition 50 being connected with the first pipe segment 31, and a second end of the partition 50 being connected with the second pipe segment 41; the partition 50 and the inner wall of the pipeline 10 form a first channel 51 and a second channel 52 which are separated from each other, the first end of the first channel 51 is communicated with the second end of the first pipe section 31, and the second end of the first channel 51 is communicated with the first outlet 23; a first end of the second passageway 52 communicates with the second inlet 22 and the other end of the second passageway 52 communicates with a first end of the second tube section 41.

In specific implementation, a first channel 51 and a second channel 52 which are separated from each other are formed between the separating member 50 and the inner wall of the pipeline 10, and fluid located in the center of the pipeline 10 enters the first channel 51 after passing through the first pipe section 31 and is discharged to the edge of the pipeline 10 through the first outlet 23; fluid at the edge of the pipe 10 enters the second channel 52 through the second inlet 22 and exits through the second pipe section 41 to the centre of the pipe 10. Thus, the partition 50 serves to separate the center fluid and the edge fluid flowing into the mixer body 20.

In the present embodiment, the partition 50 includes a first plate section 53, a second plate section 54 and a third plate section 55, the second plate section 54 has a first abutting end and a second abutting end along a first extending direction thereof, and the first abutting end and the second abutting end are opposite to each other and are used for abutting against an inner wall of the pipeline 10; the second plate section 54 has a first connecting end and a second connecting end arranged oppositely along the second extending direction, the first connecting end divides the first opening of the second end of the first pipe section 31 into a first opening portion 35 and a second opening portion 36, and the first plate section 53 is connected with the first pipe section 31 and blocks the first opening portion 35; the second connection end divides the second opening of the first end of the second tube section 41 into a third opening 45 and a fourth opening 46, and the third plate section 55 is connected with the second tube section 41 and blocks the third opening 45; wherein the second extending direction is perpendicular to the first extending direction. It should be noted that the first extending direction is a radial direction of the pipe 10, and the second extending direction is a flow direction of the fluid in the pipe 10.

In specific implementation, the first abutting end and the second abutting end of the second plate section 54 abut against the inner wall of the pipeline 10, and the fluid flowing through the first channel 51 is guided to the inner wall of the pipeline 10, so that the fluid is prevented from entering the position, close to the center, of the pipeline 10; the first plate section 53 prevents the fluid in the first pipe section 31 from entering the second channel 52, and the third plate section 55 prevents the fluid in the first channel 51 from entering the second pipe section 41, thereby achieving uniform mixing of the fluids.

Specifically, the first pipe section 31, the second pipe section 41, the first baffle 32, the second baffle 42 and the partition 50 are integrally formed or welded, so that the fluid is prevented from passing through the gaps between the first pipe section 31, the second pipe section 41, the first baffle 32, the second baffle 42 and the partition 50, and the mixing effect of the mixer is better.

In the present embodiment, the first baffle 32 and the second baffle 42 are both connected to the second plate section 54. Such an arrangement prevents fluid from escaping through the gap between the first baffle 32 or the second baffle 42 and the second plate section 54, which could interfere with the mixing effect.

In this embodiment, the first pipe section 31 is a circular pipe, and the first plate section 53 has a semicircular shape; and/or the second pipe section 41 is a circular pipe, and the second plate section 54 is semicircular. This arrangement causes the first plate segment 53 to block a portion of the first tube segment 31 and the second plate segment 54 to block a portion of the second tube segment 41, thereby preventing fluid in the first tube segment 31 from entering the second channel 52 and preventing fluid in the first channel 51 from entering the second tube segment 41.

In this embodiment, the centerline of the first pipe segment 31 is adapted to be coincident with the centerline of the pipeline 10, and the centerline of the second pipe segment 41 is adapted to be coincident with the centerline of the pipeline 10. This arrangement allows the fluid in the center of the pipe 10 to enter the first pipe section 31 and the fluid in the second pipe section 41 to enter the center of the pipe 10, so as to achieve uniform mixing of the fluids.

The utility model also provides a pipeline structure, including pipeline 10, be provided with the blender 60 in the above-mentioned embodiment in pipeline 10.

Optionally, a plurality of mixers 60 may be arranged at intervals in the pipeline 10 along the flowing direction of the fluid to improve the effect of uniform mixing, and finally achieve the temperature equalization effect of the fluid.

In specific implementation, the upstream fluid with uneven cross-sectional temperature flows into the mixer body 20, the fluid is divided into two parts, namely, an intermediate fluid and a marginal fluid, the intermediate fluid enters the first inlet 21, the upper half part of the first pipe section 31 is communicated with the lower half part and is not communicated, the intermediate fluid flows into the first channel 51 from the second opening part 36 of the upper half part, the partition 50 is provided with a second plate section 54, the upper half part of the second pipe section 41 is not communicated with the lower half part, the fluid flowing out from the third opening part 45 of the upper half part is limited in the first channel 51 and then flows out from the position close to the wall surface, and the flow of the fluid at the center to the edge is realized; the edge fluid enters the second inlet 22 and flows in the second channel 52, the dividing member 50 has a second plate section 54, the edge fluid is prevented from entering the first channel 51, the upper half of the second pipe section 41 is not communicated with the lower half, and the fluid flowing out from the fourth opening 46 of the lower half of the second pipe section 41 flows out from the second outlet 24 at the center of the second pipe section 41, so that the edge fluid flows to the center.

The application has the following advantages:

the direct position exchange of the central fluid and the edge fluid is realized, and the temperature equalizing effect is good; the use of the mixer of the present application does not cause local over-high velocities and therefore the fluid has less resistance; the direct position exchange of the central fluid and the edge fluid is realized, and a better effect can be realized by using a single mixer.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the mixer of the utility model comprises a mixer body 20 arranged in the pipeline 10, wherein the mixer body 20 is provided with a first inlet 21 and a second outlet 24; the mixer body 20 is configured to form a second inlet 22 and a first outlet 23 with an inner wall of the pipe 10, a first flow channel 25 is formed between the first inlet 21 and the first outlet 23, and a second flow channel 26 is formed between the second inlet 22 and the second outlet 24, so that the fluid in the pipe 10 enters the first flow channel 25 from the first inlet 21 and enters the second flow channel 26 from the second inlet 22, and the fluid in the first flow channel 25 flows out to the pipe 10 through the first outlet 23, and the fluid in the second flow channel 26 flows out to the pipe 10 through the second outlet 24. Since the projection of the first inlet 21 and the second outlet 24 on the cross section of the pipeline 10 does not intersect with the inner wall of the pipeline 10, and is located in the middle of the cross section, and at least part of the projection of the first outlet 23 on the cross section is located on the side of the projection of the first inlet 21 on the cross section close to the inner wall of the pipeline 10, and at least part of the projection of the second inlet 22 on the cross section is located on the side of the projection of the second outlet 24 on the cross section close to the inner wall of the pipeline 10, the fluid entering the first flow passage 25 from the first inlet 21 is close to the center of the pipeline 10, passes through the first flow passage 25 and flows out from the first outlet 23 to the edge of the pipeline 10; the fluid entering the second flow channel 26 from the second inlet 22 is close to the edge of the pipe 10, passes through the second flow channel 26 and flows out to the center of the pipe 10 from the second outlet 24, so that the exchange of the fluid at the edge and the center of the pipe 10 is realized, the fluid is uniformly mixed, and the problem that the fluid cannot be uniformly mixed by the mixer in the prior art is solved.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

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 (10)

1. A mixer, characterized in that the mixer comprises:

-a mixer body (20) for being arranged inside a duct (10), said mixer body (20) having a first inlet (21) and a second outlet (24), the projections of said first inlet (21) and said second outlet (24) on a cross-section of said duct (10) being both located in the middle of said cross-section; wherein the cross-section is perpendicular to the axis of the pipe (10);

the mixer body (20) is used for forming a second inlet (22) and a first outlet (23) with the inner wall of the pipeline (10), a first flow passage (25) is formed between the first inlet (21) and the first outlet (23), at least part of the projection of the first outlet (23) on the cross section is positioned on one side of the projection of the first inlet (21) on the cross section, which is close to the inner wall of the pipeline (10), a second flow passage (26) is formed between the second inlet (22) and the second outlet (24), at least part of the projection of the second inlet (22) on the cross section is positioned on one side of the projection of the second outlet (24) on the cross section, which is close to the inner wall of the pipeline (10), so that the fluid in the pipeline (10) enters the first flow passage (25) through the first inlet (21), enters the second flow passage (26) through the second inlet (22), and the fluid in the first flow passage (25) flows out of the pipeline (10) through the first outlet (23), and flows out of the second flow passage (26) through the second outlet (10).

2. A mixer according to claim 1, wherein the second inlet (22) and the first outlet (23) are located on opposite sides of the mixer body (20).

3. The mixer according to claim 1, wherein the mixer body (20) comprises a first pipe section (31) and a first baffle (32), a first end of the first pipe section (31) forming the first inlet (21), a second end of the first pipe section (31) communicating with the first outlet (23); a first annular hole (33) is formed between the first pipe section (31) and the inner wall of the pipeline (10), and the first annular hole (33) is divided into a first hole part (34) and the second inlet (22) along the radial direction of the first annular hole;

the first baffle (32) is connected with the outer wall of the first pipe section (31), and the first baffle (32) is used for blocking the first opening part (34).

4. A mixer according to claim 3, wherein the mixer body (20) comprises a second tube section (41) and a second baffle (42), a first end of the second tube section (41) being in communication with the second inlet (22), a second end of the second tube section (41) forming the second outlet (24); a second annular hole (43) is formed between the second pipe section (41) and the inner wall of the pipeline (10), and the second annular hole (43) is divided into a second hole part (44) and the first outlet (23) along the radial direction of the second annular hole;

the second baffle plate (42) is connected with the outer wall of the second pipe section (41), and the second baffle plate (42) is used for blocking the second opening part (44).

5. The mixer according to claim 4, wherein the mixer body (20) further comprises a partition (50), the partition (50) being arranged between the first pipe section (31) and the second pipe section (41), a first end of the partition (50) being connected with the first pipe section (31), a second end of the partition (50) being connected with the second pipe section (41); a first channel (51) and a second channel (52) which are separated are formed between the separator (50) and the inner wall of the pipeline (10), a first end of the first channel (51) is communicated with a second end of the first pipe section (31), and a second end of the first channel (51) is communicated with the first outlet (23); a first end of the second channel (52) is in communication with the second inlet (22), and the other end of the second channel (52) is in communication with a first end of the second tube segment (41).

6. The mixer according to claim 5, wherein the partition (50) comprises a first plate section (53), a second plate section (54) and a third plate section (55), the second plate section (54) having, along a first extension direction thereof, a first abutting end and a second abutting end arranged opposite each other, both for abutting against an inner wall of the duct (10); the second plate section (54) is provided with a first connecting end and a second connecting end which are oppositely arranged along the second extending direction, the first connecting end divides a first opening of the second end of the first pipe section (31) into a first opening part (35) and a second opening part (36), and the first plate section (53) is connected with the first pipe section (31) and blocks the first opening part (35); the second connecting end divides a second opening of the first end of the second pipe section (41) into a third opening (45) and a fourth opening (46), and the third plate section (55) is connected with the second pipe section (41) and blocks the third opening (45); wherein the second extending direction is perpendicular to the first extending direction.

7. The mixer of claim 6, wherein the first baffle (32) and the second baffle (42) are each connected to the second plate segment (54).

8. The mixer according to claim 6, wherein the first tube section (31) is a round tube, the first plate section (53) being semicircular; and/or the second pipe section (41) is a round pipe, and the second plate section (54) is semicircular.

9. A mixer according to claim 4, wherein the centre line of the first pipe section (31) is adapted to be arranged in line with the centre line of the pipeline (10), and the centre line of the second pipe section (41) is adapted to be arranged in line with the centre line of the pipeline (10).

10. A pipeline structure comprising a pipeline (10), characterized in that a mixer (60) according to any one of claims 1 to 9 is arranged in the pipeline (10).

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