CN219863022U

CN219863022U - Sludge cleaning device and sludge cleaning equipment

Info

Publication number: CN219863022U
Application number: CN202321370214.9U
Authority: CN
Inventors: 苏美映; 左斌; 朱凡; 欧宗东; 王秀红; 陈国飞; 李第平
Original assignee: Qionghai Aquatic Technology Research And Promotion Station
Current assignee: Qionghai Aquatic Technology Research And Promotion Station
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-10-20
Anticipated expiration: 2033-05-31

Abstract

The utility model provides a dredging device and dredging equipment, wherein the dredging device comprises a drain pipe and a drain mechanism, the drain pipe comprises a main pipeline and a branch pipeline, a first liquid pumping assembly comprises a first liquid pumping pump, a first end of the first liquid pumping pump is communicated with the branch pipeline, a first liquid pumping port is formed at a second end of the first liquid pumping pump, a second liquid pumping assembly comprises a second liquid pumping pump, a second end of the second liquid pumping pump is communicated with the branch pipeline, and a second liquid pumping port is formed at a second end of the second liquid pumping pump; the cleaning component comprises a first driver, a sliding guide structure and a cleaning piece, wherein the cleaning piece is arranged on the branch pipeline in a sliding way through the sliding guide structure, the cleaning piece is used for cleaning mud adhered to the bottom of the pond, the power output end of the first driver is connected with the sliding guide structure, and the first driver is used for driving the sliding guide structure to reciprocate in the branch pipeline. Through the device, not only the cleaning efficiency is improved, but also the cleaning effect is ensured, and the device is especially suitable for the application of the sludge with higher viscosity.

Description

Sludge cleaning device and sludge cleaning equipment

Technical Field

The utility model relates to the technical field of dredging devices, in particular to a dredging device and dredging equipment.

Background

In the aquaculture process and after the aquaculture period is finished, a cleaning operation is usually required for the shrimp pond or the pond to effectively remove redundant sludge in the pond, so that the problem that the too low oxygen content in the pond is unfavorable for fish or shrimp aquaculture due to too much sludge is avoided. The prior art generally adopts to take out the back with water, then the manual work cleans silt, but adopts such a mode, not only cleaning efficiency is low, and there is the potential safety hazard.

In order to solve the technical problem, patent CN 218911567U discloses a structure for cleaning sludge in a fish pond, although the traditional structure for cleaning sludge in a fish pond realizes a mode that a machine replaces manual operation, thereby improving the efficiency of sludge cleaning, because the structure adopts a single pump body for extraction, the amount of each extraction is smaller, thereby causing the phenomenon that the efficiency of sludge cleaning is extremely low, and further, because the mode of extracting the single pump body is only one, the flexibility is poor, and the selection of different extraction modes by operators cannot be better met.

In addition, for some sludge with higher viscosity, the simple pumping mode is difficult to pump the sludge, and the phenomenon of uncleanness exists.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a dredging device and dredging equipment which are high in dredging efficiency, flexible in extraction mode and particularly suitable for cleaning high-viscosity sludge.

The aim of the utility model is realized by the following technical scheme:

the dredging device comprises a drain pipe and a drain mechanism, wherein the drain pipe comprises a main pipe and a branch pipe, the main pipe is communicated with the branch pipe, the main pipe is used for being inserted into a drain outlet of a pond,

the drainage mechanism comprises a first liquid extraction component and a second liquid extraction component, the first liquid extraction component and the second liquid extraction component are respectively positioned on two sides of the branch pipeline, the first liquid extraction component comprises a first liquid extraction pump, a first end of the first liquid extraction pump is communicated with the branch pipeline, a first liquid extraction port is formed at a second end of the first liquid extraction pump, the second liquid extraction component comprises a second liquid extraction pump, a second end of the second liquid extraction pump is communicated with the branch pipeline, and a second liquid extraction port is formed at a second end of the second liquid extraction pump;

the dredging device further comprises a cleaning assembly, the cleaning assembly comprises a first driver, a sliding guide structure and a cleaning piece, the cleaning piece is arranged on the branch pipeline in a sliding mode through the sliding guide structure, the cleaning piece is used for cleaning mud adhered to the bottom of the pond, the power output end of the first driver is connected with the sliding guide structure, and the first driver is used for driving the sliding guide structure to reciprocate in the branch pipeline.

In one embodiment, the branch pipe comprises a first sub-pipe, a second sub-pipe, a third sub-pipe and a connecting pipe, wherein the first sub-pipe and the second sub-pipe are oppositely arranged, the first sub-pipe is communicated with the second sub-pipe through the third sub-pipe, the third sub-pipe is communicated with the main pipe through the connecting pipe, the first liquid pump is arranged on the first sub-pipe, and the second liquid pump is arranged on the second sub-pipe.

In one embodiment, the number of the first liquid pumps is plural, and each of the first liquid pumps is sequentially arranged along the extending direction of the first sub-tube.

In one embodiment, the number of the second liquid pumps is plural, and each of the second liquid pumps is sequentially arranged along the extending direction of the second sub-tube.

In one embodiment, the first liquid extraction assembly further comprises a second driver, and the power output end of the second driver is connected with the transmission end of the first liquid extraction pump; and/or the number of the groups of groups,

the second liquid drawing assembly further comprises a third driver, and the power output end of the third driver is connected with the transmission end of the second liquid drawing pump.

In any of the foregoing embodiments, the sliding guide structure includes a first guide rail, a second guide rail, a screw rod, and a sliding block, where the first guide rail is disposed on the first sub-pipe, the second guide rail is disposed on the second sub-pipe, the sliding block is disposed on the first guide rail and the second guide rail by sliding the screw rod, a power output end of the first driver is connected with the screw rod, and the cleaning member is disposed below the sliding block.

In one embodiment, the cleaning member comprises a disc-shaped broom head and a shearing member, wherein the disc-shaped broom head is connected with the sliding block, the disc-shaped broom head is formed with a cavity, and the shearing member is arranged in the cavity.

In one embodiment, the shearing member comprises a plurality of slices and a connecting rod, the connecting rod is connected with the disc-shaped broom head, and the slices are arranged along the circumference of the connecting rod.

In one embodiment, the number of the pollution discharge mechanisms is two, and the two pollution discharge mechanisms are circumferentially arranged along the main pipeline.

A dredging apparatus comprising a dredging device as described in any one of the embodiments above.

Compared with the prior art, the utility model has at least the following advantages:

1) According to the dredging device, the first liquid extraction component and the second liquid extraction component are respectively arranged on two sides of the branch pipeline, the first liquid extraction component comprises the first liquid extraction pump, the first end of the first liquid extraction pump is communicated with the branch pipeline, the second end of the first liquid extraction pump is provided with the first liquid extraction port, the second liquid extraction component comprises the second liquid extraction pump, the second end of the second liquid extraction pump is communicated with the branch pipeline, and the second end of the second liquid extraction pump is provided with the second liquid extraction port; when first drawing liquid pump and second drawing liquid pump and external power source intercommunication for first drawing liquid pump and second drawing liquid pump can take away silt simultaneously, and the pond silt clearance structure that is compared traditional single pump body can improve the volume of single extraction, thereby has improved the efficiency of desilting mud. In addition, as the first liquid pump and the second liquid pump are respectively and independently arranged, an operator can select one of the liquid pumps to be independently used or used simultaneously, so that the flexibility of the pumping mode is improved, the selection of different pumping modes by the operator is better met, and the pumping mode suitable for the condition of actual pond sludge is better selected.

2) According to the mud dredging device, the power output end of the first driver is connected with the sliding guide structure, so that the first driver drives the sliding guide structure to reciprocate in the branch pipeline, and the cleaning piece is arranged on the branch pipeline in a sliding mode through the sliding guide structure, so that the cleaning piece is driven to reciprocate at the bottom of the pond, further, better cleaning effect can be achieved on mud adhered to the bottom of the pond, and the first liquid pump and the second liquid pump can pump the mud away well, so that better cleaning effect is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a dredging device according to an embodiment of the utility model;

FIG. 2 is a schematic view of the dredging device shown in FIG. 1 in another direction;

FIG. 3 is an enlarged view of a portion of the view shown at A in FIG. 2;

fig. 4 is a schematic view illustrating a structure of a cleaning member in one direction according to an embodiment of the present utility model.

Reference numerals: 10. a dredging device; 100. a blow-down pipe; 110. a main pipe; 120. a branch pipe; 121. a first sub-tube; 122. a second sub-tube; 123. a third sub-tube; 124. a connecting pipe; 200. a sewage disposal mechanism; 210. a first liquid extraction component; 211. a first liquid pump; 2111. a first liquid extraction port; 212. a second driver; 220. a second liquid extraction component; 221. a second liquid pump; 2211. a second liquid extraction port; 222. a third driver; 300. a cleaning assembly; 310. a first driver; 320. a sliding guide structure; 321. a first guide rail; 322. a second guide rail; 323. a screw rod; 324. a sliding block; 330. a cleaning member; 331. a disc-shaped broom head; 3311. a cavity; 332. and a shear member.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In order to better understand the technical scheme and beneficial effects of the present utility model, the following describes the present utility model in further detail with reference to specific embodiments:

as shown in fig. 1 to 3, the dredging device 10 of an embodiment includes a dredging pipe 100 and a dredging mechanism 200, the dredging pipe 100 includes a main pipe 110 and a branch pipe 120, the main pipe 110 is communicated with the branch pipe 120, the main pipe 110 is used for plugging a dredging outlet of a pond, the dredging mechanism 200 includes a first liquid pumping assembly 210 and a second liquid pumping assembly 220, the first liquid pumping assembly 210 and the second liquid pumping assembly 220 are respectively located at two sides of the branch pipe 120, the first liquid pumping assembly 210 includes a first liquid pumping pump 211, a first end of the first liquid pumping pump 211 is communicated with the branch pipe 120, a second end of the first liquid pumping pump 211 is formed with a first liquid pumping port 2111, the second liquid pumping assembly 220 includes a second liquid pumping pump 221, a second end of the second liquid pumping pump 221 is communicated with the branch pipe 120, and a second liquid pumping port 2211 is formed at a second end of the second liquid pumping pump 221; the dredging device 10 further comprises a cleaning assembly 300, the cleaning assembly 300 comprises a first driver 310, a sliding guide structure 320 and a cleaning piece 330, the cleaning piece 330 is slidably arranged on the branch pipeline 120 through the sliding guide structure 320, the cleaning piece 330 is used for cleaning sludge adhered to the bottom of the pond, a power output end of the first driver 310 is connected with the sliding guide structure 320, and the first driver 310 is used for driving the sliding guide structure 320 to reciprocate in the branch pipeline 120.

According to the dredging device 10, the first liquid suction assembly 210 and the second liquid suction assembly 220 are respectively arranged on two sides of the branch pipeline 120, the first liquid suction assembly 210 comprises a first liquid suction pump 211, a first end of the first liquid suction pump 211 is communicated with the branch pipeline 120, a first liquid suction port 2111 is formed at a second end of the first liquid suction pump 211, the second liquid suction assembly 220 comprises a second liquid suction pump 221, a second end of the second liquid suction pump 221 is communicated with the branch pipeline 120, and a second liquid suction port 2211 is formed at a second end of the second liquid suction pump 221; when the first liquid pump 211 and the second liquid pump 221 are communicated with an external power supply, the first liquid pump 211 and the second liquid pump 221 can pump away sludge at the same time, and compared with a traditional pond sludge cleaning structure with a single pump body, the single pumping amount can be improved, so that the sludge cleaning efficiency is improved. In addition, since the first liquid pumping pump 211 and the second liquid pumping pump 221 are separately provided, an operator can select to use one of them separately or simultaneously, so that the flexibility of the pumping mode is improved, and the selection of different pumping modes by the operator is better satisfied, so that the pumping mode suitable for the condition of the actual pond sludge is better selected.

Further, as shown in fig. 3, since the power output end of the first driver 310 is connected with the sliding guide structure 320, the first driver 310 drives the sliding guide structure 320 to reciprocate in the branch pipe 120, and since the cleaning member 330 is slidably disposed on the branch pipe 120 through the sliding guide structure 320, the cleaning member 330 is driven to reciprocate at the bottom of the pond, so that the sludge adhered to the bottom of the pond can be better cleaned, and the first liquid pump 211 and the second liquid pump 221 can be well pumped away, so as to achieve a better cleaning effect.

As shown in fig. 2 and 3, in one embodiment, the branch pipe 120 includes a first sub-pipe 121, a second sub-pipe 122, a third sub-pipe 123 and a connecting pipe 124, where the first sub-pipe 121 and the second sub-pipe 122 are disposed opposite to each other, the first sub-pipe 121 is communicated with the second sub-pipe 122 through the third sub-pipe 123 to ensure that the first sub-pipe 121, the second sub-pipe 122 and the third sub-pipe 123 are communicated with each other, the third sub-pipe 123 is communicated with the main pipe 110 through the connecting pipe 124, the first liquid pump 211 is disposed on the first sub-pipe 121, the second liquid pump 221 is disposed on the second sub-pipe 122 to ensure that the sludge flowing into the first sub-pipe 121 and the second sub-pipe 122 can enter the main pipe 110 through the third sub-pipe 123, and finally flows into the sewage outlet of the pond through the main pipe 110, thereby cleaning the sludge in the pond is achieved.

As shown in fig. 1 and fig. 2, in one embodiment, the number of the first liquid pumps 211 is plural, and each of the first liquid pumps 211 is sequentially arranged along the extending direction of the first sub-tube 121. It can be appreciated that by increasing the number of first fluid pumps 211, a plurality of first fluid pumps 211 can simultaneously pump pond sludge, further improving the efficiency of dredging sludge. In addition, the plurality of first liquid pumping can provide more pumping combination modes for operators, so that the flexibility of the pumping modes is further improved, and the selection of different pumping modes by the operators is better met.

Further, the plurality of first liquid pumps 211 are sequentially arranged in the extending direction of the first sub-pipe 121, so that the plurality of first liquid pumps 211 can clean the sludge in the pond more comprehensively and rapidly, and the efficiency of dredging the sludge is improved well.

Still further, in other embodiments, the number of the second liquid pumps 221 is plural, and each of the second liquid pumps 221 is sequentially arranged along the extending direction of the second sub-pipe 122, so that the plurality of second liquid pumps 221 can pump the pond sludge at the same time, thereby further improving the efficiency of dredging the sludge. In addition, the plurality of second liquid pumping can provide more pumping combination modes for operators, so that the flexibility of the pumping modes is further improved, and the selection of different pumping modes by the operators is better met. Further, since the second liquid pumps 221 are sequentially arranged along the extending direction of the second sub-pipes 122, it is ensured that the plurality of second liquid pumps 221 can comprehensively and rapidly clean the sludge in the pond, thereby better improving the efficiency of dredging the sludge.

In one embodiment, the first pump assembly 210 further includes a second driver 212, and a power output end of the second driver 212 is connected to a driving end of the first pump 211, so as to implement normal operation of the first pump 211. Likewise, in other embodiments, the second pump assembly 220 further includes a third driver 222, where a power output end of the third driver 222 is connected to a driving end of the second pump 221, so as to implement normal operation of the second pump 221. Further, in the present embodiment, the second driver 212 and the third driver 222 are motors.

In any of the above embodiments, as shown in fig. 2 and 3, the sliding guide structure 320 includes a first guide rail 321, a second guide rail 322, a screw rod 323 and a sliding block 324, the first guide rail 321 is disposed on the first sub-tube 121, the second guide rail 322 is disposed on the second sub-tube 122, the sliding block 324 is slidably disposed on the first guide rail 321 and the second guide rail 322 through the screw rod 323, the power output end of the first driver 310 is connected with the screw rod 323, and the cleaning member 330 is disposed below the sliding block 324.

It can be appreciated that, since the sliding blocks 324 are respectively slidably disposed on the first guide rail 321 and the second guide rail 322 through the screw rod 323, the power output end of the first driver 310 is connected with the screw rod 323, so as to ensure that the first driver 310 can drive the screw rod 323 to rotate, thereby driving the sliding blocks 324 to slide on the screw rod 323, so as to realize that the first driver 310 drives the sliding blocks 324 to reciprocate in the branch pipeline 120, and further drives the cleaning member 330 to move, so as to realize effective cleaning of the sludge with higher viscosity in the pond. Further, the first guide rail 321 and the second guide rail 322 are adopted to ensure the balance of the operation of the cleaning member 330, so that the cleaning member 330 can effectively clean the sludge with higher viscosity in the pond. Of course, in addition to the screw drive connection of the present utility model, the reciprocating movement of the slider 324 within the branch conduit 120 may also be accomplished by actuation of a pneumatic cylinder.

As shown in fig. 3, in the present embodiment, two sliding grooves are respectively formed on two sides of the sliding block 324, a sliding hole is formed in the middle of the sliding block 324, so that the screw rod 323 can be inserted into the sliding hole, and the two sliding grooves are respectively slidably disposed on the first guide rail 321 and the second guide rail 322, so that the sliding block 324 can be respectively slidably disposed on the first guide rail 321 and the second guide rail 322 through the screw rod 323, thereby ensuring that the first driver 310 can drive the sliding block 324 to reciprocate in the branch pipe 120.

In this embodiment, the first driver 310 is a motor, and the first driver 310 is fixed to the branch pipe 120 (not shown) through a bracket, so as to fix the first driver 310.

As shown in fig. 4, in one embodiment, the cleaning member 330 includes a disc-shaped broom head 331 and a cutting member 332, the disc-shaped broom head 331 is connected with the sliding block 324, and the disc-shaped broom head 331 is formed with a cavity 3311, and the cutting member 332 is disposed in the cavity 3311.

It will be appreciated that, because the cleaning member 330 includes the disc-shaped broom head 331 and the shearing member 332, the disc-shaped broom head 331 can clean the mud adhered in the pond, and simultaneously, the shearing member 332 is matched to be used, so that the mud with smaller particles can be obtained by shearing the mud with larger size in the mud in the pond, so that the sewage draining mechanism 200 can better pump away the mud with smaller particles, the sewage draining pipe 100 can be effectively prevented from being blocked by the larger mud, and meanwhile, the mud with higher viscosity can be scraped off better, so that the cleaning effect is improved, and the cleaning effect is better adapted to the cleaning of the mud with higher viscosity.

It should be further noted that, because the shearing member 332 is relatively sharp, the shearing member 332 is disposed in the cavity 3311, so that the shearing member 332 can be well contained in the disc-shaped broom head 331, and the situation that the shearing member 332 damages the first liquid pump 211, the second liquid pump or the branch pipe 120 during movement to cause abnormal operation is effectively avoided.

As shown in fig. 4, in this embodiment, the shearing member 332 includes a plurality of slices and a connecting rod, the connecting rod is connected with the disc-shaped broom head 331, and a plurality of slices are disposed along the circumference of the connecting rod, so as to ensure that the slices can more comprehensively shear the larger sludge in the pond and more comprehensively scrape the viscous sludge, thereby further improving the efficiency of dredging the sludge and the cleaning effect.

In a preferred embodiment, the number of the sewage draining mechanisms 200 is two, and the two sewage draining mechanisms 200 are circumferentially arranged along the main pipeline 110, so that the two sewage draining mechanisms 200 can clean the sludge in the pond more comprehensively, thereby not only improving the cleaning efficiency, but also ensuring a better cleaning effect. Of course, the number of the drainage mechanisms 200 is not limited to two, but may be plural, such as three, four or five, in order to achieve a more thorough cleaning of the sludge in the pond. In addition, due to the number of the additional pollution discharging mechanisms 200, more extraction and combination modes can be provided for operators, so that the flexibility of the extraction modes is further improved, and the selection of different extraction modes by the operators is better met.

The utility model also provides a dredging device, comprising the dredging device 10 according to any embodiment. It will be appreciated that by applying the dredging arrangement 10 of the present utility model in a dredging arrangement, not only is the cleaning efficiency improved, but also the cleaning effect is ensured, especially adapted to the application of highly viscous sludge, the dredging arrangement further comprising a recovery tank for achieving recovery of the sludge.

1) According to the dredging device 10, the first liquid suction assembly 210 and the second liquid suction assembly 220 are respectively arranged on two sides of the branch pipeline 120, the first liquid suction assembly 210 comprises a first liquid suction pump 211, a first end of the first liquid suction pump 211 is communicated with the branch pipeline 120, a first liquid suction port 2111 is formed at a second end of the first liquid suction pump 211, the second liquid suction assembly 220 comprises a second liquid suction pump 221, a second end of the second liquid suction pump 221 is communicated with the branch pipeline 120, and a second liquid suction port 2211 is formed at a second end of the second liquid suction pump 221; when the first liquid pump 211 and the second liquid pump 221 are communicated with an external power supply, the first liquid pump 211 and the second liquid pump 221 can pump away sludge at the same time, and compared with a traditional pond sludge cleaning structure with a single pump body, the single pumping amount can be improved, so that the sludge cleaning efficiency is improved. In addition, since the first liquid pumping pump 211 and the second liquid pumping pump 221 are separately provided, an operator can select to use one of them separately or simultaneously, so that the flexibility of the pumping mode is improved, and the selection of different pumping modes by the operator is better satisfied, so that the pumping mode suitable for the condition of the actual pond sludge is better selected.

2) According to the dredging device 10 disclosed by the utility model, as the power output end of the first driver 310 is connected with the sliding guide structure 320, the first driver 310 drives the sliding guide structure 320 to reciprocate in the branch pipeline 120, and the cleaning piece 330 is arranged on the branch pipeline 120 in a sliding manner through the sliding guide structure 320, so that the cleaning piece 330 is driven to reciprocate at the bottom of the pond, and further, the sludge adhered to the bottom of the pond can be better cleaned, so that the first liquid suction pump 211 and the second liquid suction pump 221 can be well pumped away, and further, a better cleaning effect is achieved.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The dredging mud device comprises a drain pipe and a drain mechanism, wherein the drain pipe comprises a main pipe and a branch pipe, the main pipe is communicated with the branch pipe, and is used for being inserted into a drain outlet of a pond,

2. The dredging device according to claim 1, wherein the branch pipe comprises a first sub pipe, a second sub pipe, a third sub pipe and a connecting pipe, wherein the first sub pipe and the second sub pipe are arranged oppositely, the first sub pipe is communicated with the second sub pipe through the third sub pipe, the third sub pipe is communicated with the main pipe through the connecting pipe, the first liquid pump is arranged on the first sub pipe, and the second liquid pump is arranged on the second sub pipe.

3. The dredging device according to claim 2, wherein the number of the first liquid pumps is plural, and each of the first liquid pumps is sequentially arranged along the extending direction of the first sub-pipe.

4. The dredging device according to claim 3, wherein the number of the second liquid pumps is plural, and each of the second liquid pumps is sequentially arranged along the extending direction of the second sub-pipe.

5. The dredging device according to claim 1, wherein the first fluid extraction assembly further comprises a second driver, the power output end of the second driver being connected with the driving end of the first fluid extraction pump; and/or the number of the groups of groups,

6. The dredging device according to any one of claims 2-4, wherein the sliding guide structure comprises a first guide rail, a second guide rail, a screw rod and a sliding block, wherein the first guide rail is arranged on the first sub-pipe, the second guide rail is arranged on the second sub-pipe, the sliding block is respectively arranged on the first guide rail and the second guide rail in a sliding manner through the screw rod, a power output end of the first driver is connected with the screw rod, and the cleaning member is arranged below the sliding block.

7. The mud cleaning apparatus according to claim 6, wherein the cleaning member includes a disc-shaped broom head and a shearing member, the disc-shaped broom head is connected with the slider, and the disc-shaped broom head is formed with a cavity, and the shearing member is disposed in the cavity.

8. The dredging arrangement of claim 7, wherein the shear member comprises a plurality of slices and a connecting rod, the connecting rod being connected to the disc-shaped broom head, the plurality of slices being disposed circumferentially of the connecting rod.

9. The dredging arrangement according to claim 1, wherein the number of the blowdown mechanisms is two, two blowdown mechanisms being arranged circumferentially along the main conduit.

10. A dredging arrangement, characterized in that it comprises a dredging device according to any one of claims 1-9.