阅读说明：本技术 一种用于核电厂管道加工的管道清理装置 (A pipeline cleaning device for nuclear power plant pipeline machining ) 是由 祁士建 于 2021-08-07 设计创作，主要内容包括：本发明提供一种用于核电厂管道加工的管道清理装置,涉及核电产业技术领域。该一种用于核电厂管道加工的管道清理装置,包括抽气装置,伸缩气管,支撑装置,清理机构,拦截机构,抽气装置右侧固定连接有伸缩气管,伸缩气管上固定连接有支撑装置,支撑装置之间设有清理机构,清理机构右侧设有拦截机构,拦截机构与伸缩气管之间转动连接,通过清理机构对管道内壁中的锈迹进行清理,以及防止清理下来的铁锈粉末在管道内堆积使管道造成二次锈蚀影响对管道的使用,本发明提供了一种用于核电厂管道加工的管道清理装置,解决了在对管道进行切割的过程中产生的金属屑进入到管道内影响对管道的使用的问题。(The invention provides a pipeline cleaning device for machining a pipeline of a nuclear power plant, and relates to the technical field of nuclear power industry. The invention provides a pipeline cleaning device for nuclear power plant pipeline machining, which comprises an air exhaust device, a telescopic air pipe, a supporting device, a cleaning mechanism, an intercepting mechanism, the telescopic air pipe fixedly connected to the right side of the air exhaust device, the supporting device fixedly connected to the telescopic air pipe, the cleaning mechanism arranged between the supporting devices, the intercepting mechanism arranged on the right side of the cleaning mechanism, the intercepting mechanism rotatably connected with the telescopic air pipe, rust in the inner wall of a pipeline is cleaned through the cleaning mechanism, and the situation that the cleaned rust powder is accumulated in the pipeline to cause secondary rust influence on the pipeline is prevented.)

1. The utility model provides a pipeline cleaning device for nuclear power plant's pipeline processing, includes air exhaust device (1), flexible trachea (2), strutting arrangement (3), clearance mechanism (4), interception mechanism (5), its characterized in that: the air extractor is characterized in that a telescopic air pipe (2) is fixedly connected to the right side of the air extractor (1), a supporting device (3) is fixedly connected to the telescopic air pipe (2), a cleaning mechanism (4) is arranged between the supporting devices (3), an intercepting mechanism (5) is arranged on the right side of the cleaning mechanism (4), and the intercepting mechanism (5) is rotatably connected with the telescopic air pipe (2).

2. The pipe cleaning device for nuclear power plant pipe machining according to claim 1, characterized in that: strutting arrangement (3) are including setting up solid fixed ring (301) on flexible trachea (2), gu fixed ring (301) the even fixedly connected with automatic telescopic link (302) in the outside, fixedly connected with spacing ball (303) on one side of solid fixed ring (301) is kept away from in automatic telescopic link (302), strutting arrangement (3) set up in flexible trachea (2) flexible end middle part and flexible trachea (2) flexible end be close to on the right side.

3. The pipe cleaning device for nuclear power plant pipe machining according to claim 1, characterized in that: the supporting device (3) comprises connecting rings (401) which are uniformly arranged between the telescopic air pipes (2), the outer sides of the elastic pipes (402) are uniformly and fixedly connected with elastic pipes (402), the outer sides of the elastic pipes (402) are provided with limiting springs (403), the bottom ends of the limiting springs (403) are fixedly connected with the outer sides of the connecting rings (401), two sides of each limiting spring (403) are provided with sliding rods (404), the bottom ends of the sliding rods (404) are fixedly connected with the connecting rings (401), the top ends of the sliding rods (404), the elastic pipes (402) and the limiting springs (403) are fixedly connected with elastic polishing plates (405), the bottom ends of the elastic polishing plates (405) close to two sides are fixedly connected with magnetic blocks (406), air guide pipes (407) are arranged between the connecting rings (401), the air guide pipes (407) penetrate through the connecting rings (401) to be fixedly connected with the connecting rings (401), and electrifying springs (408) are arranged on the inner sides of the connecting rings (401), fixedly connected with dead lever (409) on circular telegram spring (408) both ends, dead lever (409) are kept away from one of circular telegram spring (408) and are served fixedly connected with swivel becket (410), fixed connection between go-between (401) and circular telegram spring (408), swivel becket (410) are passed and are rotated between flexible trachea (2) and be connected, swivel becket (410) inboard fixedly connected with rotates flabellum (411), air duct (407) left side fixedly connected with rolling disc (412), rolling disc (412) right side is rotated and is connected with go-between (413).

4. The pipe cleaning device for nuclear power plant pipe machining according to claim 3, characterized in that: evenly be equipped with circular air inlet on elastic tube (402), be equipped with two oval magnetic blocks (414) between the inboard circular air inlet of elastic tube (402), oval magnetic block (414) both sides fixed connection elastic connecting rod (415) that are located the top, fixed connection between elastic connecting rod (415) and elastic tube (402) inboard, oval magnetic block (414) both sides fixed connection rod (416) that are located the below, fixed connection between fixed connection rod (416) and elastic tube (402), oval magnetic block (414) outside middle part fixed connection that is located the top keeps off flow ring (417), the even fixed connection in oval magnetic block (414) outside has elasticity to lead to magnetic pole (418), link up between connecting ring (413) and flexible trachea (2), rotate between dead lever (409) and flexible trachea (2) and be connected.

5. The pipe cleaning device for nuclear power plant pipe machining according to claim 1, characterized in that: the intercepting mechanism (5) comprises a second rotating ring (501) which is rotatably connected to the right side of the telescopic air pipe (2), a telescopic rod (502) is uniformly and fixedly connected to the outer side of the second rotating ring (501), an elastic pipe (503) is fixedly connected to one end, far away from the second rotating ring (501), of the telescopic rod (502), an elastic pipe (503) is uniformly and rotatably connected to the top end of the elastic pipe (503), an elastic rod (505) is fixedly connected to the bottom end, near the right side of the telescopic air pipe (2), of the elastic pipe (503), a magnetic collecting ball (506) is uniformly and fixedly connected to the elastic rod (507), an air inlet ball (508) is fixedly connected to one end, far away from the elastic pipe (503), of the elastic rod (505), an elastic compression pipe (509) is fixedly connected to one side, near the telescopic air pipe (2), of the other end of the elastic compression pipe (509) is rotatably connected with the telescopic air pipe (2), a connecting spring (510) is arranged in the elastic compression pipe (509), and the inner side of the connecting spring (510) is fixedly connected with a spiral spoiler (511).

6. The pipe cleaning device for nuclear power plant pipe processing according to claim 5, wherein: fixed connection between connecting spring (510) both sides and flexible trachea (2) and the ball (508) of admitting air, place connecting spring (510) inboard spiral spoiler (511) not on same axis in, evenly be equipped with the air inlet on the ball (508) of admitting air, one side that elastic tube (503) are close to flexible trachea (2) right side evenly is equipped with the induction port, link up between elastic tube (503) and telescopic link (502) and second swivel becket (501) and flexible trachea (2), inboard fixedly connected with of second swivel becket (501) rotates flabellum (411), second swivel becket (501) pass and rotate between flexible trachea (2) and be connected.

Technical Field

The invention relates to the technical field of nuclear power industry, in particular to a pipeline cleaning device for processing a pipeline of a nuclear power plant.

Background

A nuclear power plant refers to a facility that converts nuclear energy into electrical energy by appropriate means.

In the construction process of a nuclear power station, a large number of pipelines with different calibers and different functions are frequently used, because the nuclear power plant has high requirements on nuclear safety and operational reliability, the risk of system foreign matters and the cleanliness of the system need to be strictly controlled, foreign matter control and timely cleaning need to be carried out in the links of pipeline processing and the like, metal chips generated by partial cutting in the process of cutting the pipelines can enter the pipelines, and the corrosion inside the pipelines can influence the use of the pipelines.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a pipeline cleaning device for machining a pipeline of a nuclear power plant, which solves the problem that metal scraps generated in the process of cutting the pipeline enter the pipeline to influence the use of the pipeline.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a pipeline cleaning device for nuclear power plant's pipeline processing, includes air exhaust device, flexible trachea, strutting arrangement, clearance mechanism, interception mechanism, the flexible trachea of air exhaust device right side fixedly connected with, fixedly connected with strutting arrangement on the flexible trachea is equipped with clearance mechanism between the strutting arrangement, and clearance mechanism right side is equipped with interception mechanism, rotates between interception mechanism and the flexible trachea and is connected.

Preferably, strutting arrangement is including setting up the solid fixed ring on flexible trachea, the automatic telescopic link of the even fixedly connected with in solid fixed ring outside, and the spacing ball of fixedly connected with on one side that solid fixed ring was kept away from to automatic telescopic link, strutting arrangement sets up on flexible trachea is flexible to be held middle part and flexible trachea is flexible to hold and is close to the right side.

Preferably, the supporting device comprises connecting rings uniformly arranged between the telescopic air pipes, the outer sides of the elastic pipes are uniformly and fixedly connected with elastic pipes, the outer sides of the elastic pipes are provided with limiting springs, the bottom ends of the limiting springs are fixedly connected with the outer sides of the connecting rings, sliding rods are arranged on two sides of the limiting springs, the bottom ends of the sliding rods are fixedly connected with the connecting rings, the top ends of the sliding rods, the elastic pipes and the limiting springs are fixedly connected with elastic polishing plates, the bottom ends of the elastic polishing plates are close to two sides and fixedly connected with magnetic blocks, air guide pipes are arranged between the connecting rings and penetrate through the connecting rings and are fixedly connected with the connecting rings, electrifying springs are arranged on the inner sides of the connecting rings, fixing rods are fixedly connected with two ends of the electrifying springs, rotating rings are fixedly connected with one ends of the fixing rods far away from the electrifying springs, the connecting rings are fixedly connected with the electrifying springs, and the rotating rings penetrate through the telescopic air pipes and are rotatably connected with the telescopic air pipes, the inner side of the rotating ring is fixedly connected with a rotating fan blade, the left side of the air duct is fixedly connected with a rotating disc, and the right side of the rotating disc is rotatably connected with a connecting ring.

Preferably, evenly be equipped with circular air inlet on the elastic tube, be equipped with two oval magnetic path between the intraductal side circular air inlet of elastic tube, be located the oval magnetic path both sides fixedly connected with elastic connecting rod of top, fixed connection between elastic connecting rod and the elastic tube inboard, the oval magnetic path both sides fixedly connected with fixed connecting rod that is located the below, fixed connection between fixed connecting rod and the elastic tube, the oval magnetic path outside middle part fixedly connected with who is located the top keeps off the flow ring, the even fixedly connected with elasticity in the oval magnetic path outside leads to the magnetic pole, link up between go-between and the flexible trachea, rotate between dead lever and the flexible trachea and be connected.

Preferably, the interception mechanism is including rotating the second swivel becket of connection on flexible trachea is close to the right side, the even fixedly connected with telescopic link in the second swivel becket outside, the telescopic link is kept away from one of second swivel becket and is served fixedly connected with elastic tube, evenly rotate on the elastic tube top and be connected with the elastic tube, the elastic tube is close to flexible trachea right side bottom fixedly connected with elastic rod, even fixedly connected with magnetism collection ball on the elastic rod, the even fixedly connected with iron set in the ball outside is collected to magnetism, the elastic rod is kept away from the one end fixedly connected with air inlet of elastic tube, the air inlet ball is close to the fixedly connected with elastic compression pipe on one side of flexible trachea, rotate between the elastic compression pipe other end and the flexible trachea and be connected, the intraductal connecting spring that is equipped with of elastic compression, the inboard fixedly connected with spiral spoiler of connecting spring.

Preferably, the two sides of the connecting spring are fixedly connected with the telescopic air pipe and the air inlet ball, the spiral spoilers arranged on the inner side of the connecting spring are not on the same central axis, the air inlet ball is uniformly provided with an air inlet, one side of the elastic pipe close to the right side of the telescopic air pipe is uniformly provided with an air suction port, the elastic pipe, the telescopic rod, the second rotating ring and the telescopic air pipe are communicated, the inner side of the second rotating ring is fixedly connected with rotating fan blades, and the second rotating ring penetrates through the telescopic air pipe and is rotatably connected with the telescopic air pipe.

(III) advantageous effects

(1) According to the cleaning mechanism, the connecting ring, the elastic pipe, the limiting spring, the sliding rod, the elastic polishing plate and the rotating fan blade are arranged in the cleaning mechanism, the magnetic block enables the elastic polishing plate to rotate rapidly under the action of air flow, the elastic polishing plate enables the elastic polishing plate to be attached to the inner wall of the circular pipeline to rub and clean rust on the inner wall of the circular pipeline along with the rotation of the connecting ring under the action of magnetic force and centrifugal force of the magnetic block, and meanwhile, the elastic polishing plate moves left and right while polishing the inner wall of the circular pipeline under the action of attraction force between currents of the electrified spring to enhance the cleaning effect on the inner wall of the circular pipeline.

(2) According to the invention, through the elastic tube, the elliptical magnetic block, the elastic connecting rod, the fixed connecting rod, the flow blocking ring and the elastic magnetic passing rods which are arranged in the cleaning mechanism, the elliptical magnetic block is pushed to move downwards under the action of air flow by the air guide tube, so that the elastic magnetic passing rods are mutually extruded, the inner wall of the elastic tube is filled with the elastic magnetic passing rods to adsorb the rust powder entering the elastic tube along with the air flow, and the rust powder is prevented from falling into the circular pipeline and accumulating in the circular pipeline to cause secondary rust on the inner wall of the circular pipeline.

(3) According to the metal scrap collecting device, the second rotating ring, the telescopic rod, the elastic tube, the sliding ball and the elastic rod are arranged in the intercepting mechanism, the air inlet ball and the elastic tube are enabled to rotate rapidly under the action of air flow, a cyclone is formed in the circular pipeline to intercept and collect metal scraps entering the circular pipeline in the process of cutting the circular pipeline, and the metal scraps entering the circular pipeline in the process of cutting the circular pipeline are prevented from being accumulated in the circular pipeline, so that the follow-up use of the circular pipeline is prevented from being influenced, and the metal scraps generated in the process of cutting the circular pipeline are inconvenient to collect.

(4) According to the invention, the elastic pipe, the elastic rod, the magnetic collecting ball and the iron rod are arranged in the intercepting mechanism, after airflow enters the elastic compression pipe, the air inlet ball drives the elastic rod, the magnetic collecting ball and the iron rod to continuously swing under the action of the spiral spoiler, so that the contact area between the iron rod and the magnetic collecting ball and between the air inlet ball and the elastic pipe is increased, the metal scrap collecting effect is enhanced, and the metal scrap is prevented from falling between the elastic pipe and the air inlet ball to influence the subsequent use of the circular pipeline.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cleaning mechanism of the present invention;

FIG. 3 is a schematic view of a fan blade according to the present invention;

FIG. 4 is a front cross-sectional view of the elastomeric tube of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2;

FIG. 6 is an enlarged view of the structure of FIG. 2 at B in accordance with the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 2 at C according to the present invention;

FIG. 8 is a schematic view of the intercepting mechanism of the present invention;

FIG. 9 is a schematic view of the spiral spoiler of the present invention.

The air extracting device 1, the telescopic air pipe 2, the supporting device 3, the fixing ring 301, the automatic telescopic rod 302, the limiting ball 303, the cleaning mechanism 4, the connecting ring 401, the elastic pipe 402, the limiting spring 403, the sliding rod 404, the elastic polishing plate 405, the magnetic block 406, the air guide pipe 407, the energizing spring 408, the fixing rod 409, the rotating ring 410, the rotating fan blades 411, the rotating disc 412, the connecting ring 413, the elliptical magnetic block 414, the elastic connecting rod 415, the fixing connecting rod 416, the flow blocking ring 417, the elastic energizing rod 418, the intercepting mechanism 5, the second rotating ring 501, the telescopic rod 502, the elastic pipe 503, the sliding ball 504, the elastic rod 505, the magnetic collecting ball 506, the iron rod 507, the air inlet ball 508, the elastic compression pipe 509, the connecting spring 510 and the spiral spoiler 511.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

As shown in fig. 1 to 9, an embodiment of the invention provides a pipeline cleaning device for pipeline processing in a nuclear power plant, which includes an air extractor 1, telescopic air pipes 2, a supporting device 3, a cleaning mechanism 4 and an intercepting mechanism 5, wherein the telescopic air pipes 2 are fixedly connected to the right side of the air extractor 1, the supporting device 3 is fixedly connected to the telescopic air pipes 2, the cleaning mechanism 4 is arranged between the supporting devices 3, the intercepting mechanism 5 is arranged on the right side of the cleaning mechanism 4, the intercepting mechanism 5 is rotatably connected to the telescopic air pipes 2, the supporting device 3 includes a fixing ring 301 arranged on the telescopic air pipes 2, automatic telescopic rods 302 are uniformly and fixedly connected to the outer sides of the fixing rings 301, a limiting ball 303 is fixedly connected to one side of the automatic telescopic rods 302 far from the fixing ring 301, and the supporting device 3 is arranged in the middle of the telescopic end of the telescopic air pipes 2 and on the right side of the telescopic end of the telescopic air pipes 2 near the fixing ring.

The supporting device 3 comprises connecting rings 401 uniformly arranged between the telescopic air pipes 2, elastic pipes 402 are uniformly and fixedly connected to the outer sides of the elastic pipes 402, limiting springs 403 are arranged on the outer sides of the elastic pipes 402, the bottom ends of the limiting springs 403 are fixedly connected to the outer sides of the connecting rings 401, sliding rods 404 are arranged on two sides of the limiting springs 403, the bottom ends of the sliding rods 404 are fixedly connected to the connecting rings 401, elastic polishing plates 405 are fixedly connected to the top ends of the sliding rods 404, the elastic polishing plates 405 are fixedly connected to the bottom ends of the elastic polishing plates 406 near two sides, magnetic blocks 406 are fixedly connected to the bottom ends of the elastic polishing plates 405, air guide pipes 407 are arranged between the connecting rings 401, the air guide pipes 407 penetrate through the connecting rings 401 and are fixedly connected to the inner sides of the connecting rings 401, fixing rods 409 are fixedly connected to two ends of the electric springs 408, rotating rings 410 are fixedly connected to one end of the fixing rods 409 far away from the electric springs 408, and the connecting rings 401 and 408 are fixedly connected to the electric springs 408, the rotating ring 410 penetrates through the telescopic air pipe 2 to be connected with the telescopic air pipe 2 in a rotating mode, the inner side of the rotating ring 410 is fixedly connected with rotating fan blades 411, the left side of the air guide pipe 407 is fixedly connected with a rotating disc 412, the right side of the rotating disc 412 is rotatably connected with a connecting ring 413, a circular air inlet is uniformly formed in the elastic pipe 402, two elliptical magnetic blocks 414 are arranged between the circular air inlet in the elastic pipe 402, two sides of the elliptical magnetic block 414 positioned above are fixedly connected with elastic connecting rods 415, the elastic connecting rods 415 are fixedly connected with the inner side of the elastic pipe 402, two sides of the elliptical magnetic block 414 positioned below are fixedly connected with fixed connecting rods 416, the fixed connecting rods 416 are fixedly connected with the elastic pipe 402, the middle part of the outer side of the elliptical magnetic block 414 positioned above is fixedly connected with a flow blocking ring 417, the outer side of the elliptical magnetic block 414 is uniformly and fixedly connected with elastic magnetic through rods 418, and the connecting ring 413 is communicated with the telescopic air pipe 2, the fixing rod 409 is rotatably connected with the telescopic air pipe 2.

The intercepting mechanism 5 comprises a second rotating ring 501 rotatably connected to the right side of the telescopic air pipe 2, a telescopic rod 502 is uniformly and fixedly connected to the outer side of the second rotating ring 501, an elastic pipe 503 is fixedly connected to one end of the telescopic rod 502 far away from the second rotating ring 501, an elastic pipe 503 is uniformly and rotatably connected to the top end of the elastic pipe 503, an elastic rod 505 is fixedly connected to the bottom end of the elastic pipe 503 near the right side of the telescopic air pipe 2, a magnetic collecting ball 506 is uniformly and fixedly connected to the elastic rod 505, an iron rod 507 is uniformly and fixedly connected to the outer side of the magnetic collecting ball 506, an air inlet ball 508 is fixedly connected to one end of the elastic rod 505 far away from the elastic pipe 503, an elastic compression pipe 509 is fixedly connected to one side of the air inlet ball 508 near the telescopic air pipe 2, the other end of the elastic compression pipe is rotatably connected to the telescopic air pipe 2, a connecting spring 510 is arranged in the elastic compression pipe 509, and a spiral flow disturbing sheet 511 is fixedly connected to the inner side of the connecting spring 510, the two sides of the connecting spring 510 are fixedly connected with the telescopic air pipe 2 and the air inlet ball 508, the spiral spoilers 511 arranged on the inner side of the connecting spring 510 are not on the same central axis, air inlets are uniformly formed in the air inlet ball 508, an air suction port is uniformly formed in one side, close to the right side of the telescopic air pipe 2, of the elastic pipe 503, the telescopic rod 502, the second rotating ring 501 and the telescopic air pipe 2 are communicated, the rotary fan blades 411 are fixedly connected on the inner side of the second rotating ring 501, and the second rotating ring 501 penetrates through the telescopic air pipe 2 and is connected with the telescopic air pipe 2 in a rotating mode.

During the use, adjust spacing ball 303 through automatic telescopic link 302 and highly make spacing ball 303 be applicable to the circular pipeline of various diameter size, place the pipeline in strutting arrangement 3 top, support the pipeline through spacing ball 303 and automatic telescopic link 302, start air exhaust device 1 and through flexible trachea 2 with the air suction in the balloon 508 right side of intaking into elastic compression pipe 509 in the process of carrying out the right side to the pipeline and cutting, simultaneously because link up between telescopic link 502 and elastic pipe 503 and make air enter into telescopic link 502 through elastic pipe 503, air enters into flexible trachea 2 through balloon 508 and elastic compression pipe 509 and blows the rotating fan blade 411 of connecting on second rotating ring 501, thereby make second rotating ring 501 drive telescopic link 502 and elastic pipe 503 to rotate, form annular cyclone in circular pipeline inner wall, make the metal bits that produce when carrying out the cutting to circular pipeline prevent the metal bits under the effect of annular cyclone after entering into circular pipeline in the metal bits that the annular cyclone is produced in-process of cutting The scraps fall into the inner side of the circular pipeline, when the scraps enter the inner side of the circular pipeline, metal enters the right side of the telescopic air pipe 2 along with the airflow under the action of the airflow, when the telescopic rod 502 rotates, the elastic rod 505 rotates, the air inlet balloon 508 rotates pair driven by the rotation of the elastic rod 505, the scraps falling between the elastic pipe 503 and the air inlet balloon 508 are collected, when the airflow enters the elastic compression pipe 509 through the air inlet balloon 508, the spiral spoiler 511 positioned in the connecting spring 510 is impacted, the spiral spoiler 511 is continuously swung, the air inlet balloon 508 drives the magnetic collection ball 506 and the iron rod 507 on the elastic rod 505 to continuously swing and cooperate with the telescopic rod 502 to rotate, contact surfaces between the magnetic collection ball 506 and the iron rod 507 and the scraps falling between the telescopic rod 502 and the air inlet ball 508 are increased, and the scraps are magnetically adsorbed through the magnetic collection ball 506 and the iron rod 507, prevent that the metal fillings from entering into circular pipeline and piling up in circular pipeline influence follow-up use to circular pipeline in the in-process of cutting circular pipeline.

And when the air extracting device 1 extracts air into the telescopic air pipe 2, the air flow pushes the rotating fan blades 411 arranged on the inner side of the rotating ring 410 to rotate, so that the rotating ring 410 drives the electrifying spring 408 to rotate through the fixed rod 409, the electrifying spring 408 drives the elastic pipe 402 and the sliding rod 404 to rotate rapidly through the connecting ring 401, the elastic polishing plate 405 is expanded outwards to be tightly attached to the inner wall of the circular pipeline under the action of centrifugal force, the top end of the elastic polishing plate 405 can be attached to the inner wall of the circular pipeline with different sizes under the action of the magnetic block 406, when the elastic polishing plate 405 is tightly attached to the inner wall of the circular pipeline, the elastic polishing plate 405 is driven to rotate through the connecting ring 401 to polish rusts on the inner wall of the circular pipeline, and simultaneously, the current is intermittently introduced into the electrifying spring 408, so that the coils of the electrifying spring 408 shrink under the attraction force of the current after the current is introduced, therefore, the elastic polishing plate 405 can move left and right in the process of rotating to polish the inner wall of the circular pipeline, the polishing effect on the inner wall of the circular pipeline is enhanced, the inner wall of the pipeline is prevented from being oxidized and rusted after the pipeline is placed for a period of time, the pipeline is prevented from being used, air outside the elastic pipe 402 is pumped into the elastic pipe 402 through the circular opening on the outer side of the elastic pipe 402 through the air guide pipe 407 under the action of the air pumping device 1, cleaned iron rust powder is sucked into the elastic pipe 402 through air flow flowing into the elastic pipe 402 quickly, when the air flows in the elastic pipe 402 quickly, the air flow pushes the flow blocking ring 417 to move downwards, so that the upper elliptical magnetic blocks 414 arranged between the circular openings move downwards, the elastic magnetic through rods 418 on the elliptical magnetic blocks 414 on the lower elliptical magnetic blocks are pushed to extrude, and the elastic magnetic through rods 418 filled with the elastic magnetic through rods 418 expand outwards to expand the inner side of the whole elastic pipe 402 and suck the iron rust powder into the elastic pipe 402 Carry out the absorption, prevent that iron fillings from entering into in air duct 407 through air duct 407 and go-between 413 and pile up in air duct 407 and cause air duct 407 to block up the collection effect of influence to the rust powder simultaneously prevents that the rust powder from piling up in circular pipeline and causing circular pipeline secondary corrosion.