CN108889735B - Method for realizing self-cleaning of inner wall of sewage discharge pipe for water treatment and purification - Google Patents

Method for realizing self-cleaning of inner wall of sewage discharge pipe for water treatment and purification Download PDF

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Publication number
CN108889735B
CN108889735B CN201810950682.0A CN201810950682A CN108889735B CN 108889735 B CN108889735 B CN 108889735B CN 201810950682 A CN201810950682 A CN 201810950682A CN 108889735 B CN108889735 B CN 108889735B
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wall
sewage
pipe
cleaning
pipe body
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CN201810950682.0A
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CN108889735A (en
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李媛
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Guangzhou Zijing environmental protection Co.,Ltd.
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Guangzhou Zijing Environmental Protection Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/04Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
    • B08B9/051Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools

Abstract

The invention discloses a method for realizing self-cleaning of the inner wall of a sewage pipe for water treatment and purification, which finishes the sewage scraping action on the inner wall in the sewage pipe (1) through a sewage scraping device (5) which is in sealing fit with the outline of the inner wall of a pipe body and can move up and down along the inner wall, and respectively adopts the operations of reversing the moving direction of a power device (10) of the sewage scraping device (5) and switching off power at the uppermost end target point and the lowermost end target point of the sewage scraping stroke, wherein the reaching of the uppermost end target point and the lowermost end target point is realized by adopting the matching of two annular magnets fixedly sleeved on the outer wall of the pipe body and a magnetic sensor of the sewage scraping device (5) positioned in the pipe body, and the invention has the beneficial effects that: the sewage discharge pipe with the inner wall self-cleaning function for water treatment and purification, provided by the invention, can automatically clean the inner wall of the pipe, so that the trouble of manually and periodically cleaning the inner wall of the pipe is saved, the time and the labor are saved, the maintenance cost is effectively saved, and the practicability is good.

Description

Method for realizing self-cleaning of inner wall of sewage discharge pipe for water treatment and purification
Technical Field
The invention relates to the field of water treatment and purification, in particular to a sewage discharge pipe with an inner wall self-cleaning function for water treatment and purification and a cleaning method thereof.
Background
The blow off pipe is the common pipeline that is used for carrying sewage specially in daily life, and its internal diameter is generally great, because sewage impurity in the blow off pipe is more, consequently, after the blow off pipe used a period, can be stained with a large amount of stains on the inside pipe wall, and long-time, these stains can influence the flow of sewage, reduce the sewage transport efficiency of blow off pipe, consequently need regularly do inside cleaning to the blow off pipe, and this is not only wasted time and energy, and clean maintenance cost is high moreover.
Disclosure of Invention
The invention aims to solve the problems, and provides a sewage pipe with an inner wall self-cleaning function for water treatment and purification, so as to solve the problems that the traditional sewage pipe in the prior art needs to be cleaned and maintained on the inner wall regularly, and is time-consuming, labor-consuming, high in maintenance cost and the like. According to the technical scheme, the optimized technical scheme can automatically clean the inner wall of the pipe, the trouble of manually and periodically cleaning the inner wall of the pipe is eliminated, time and labor are saved, the maintenance cost is effectively saved, the practicability is good, and the like, and the technical effects are explained in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a sewage discharge pipe with an inner wall self-cleaning function for water treatment purification, which comprises a pipe body, wherein a plurality of racks parallel to the central axis of the pipe body are arranged on the inner wall of the pipe body, a first limit switch is arranged on the inner wall of the pipe body above the racks, a second limit switch is arranged on the inner wall of the pipe body below the racks, a sewage scraping ring is slidably arranged on the inner wall of the pipe body between the first limit switch and the second limit switch, a waterproof box, a mounting frame, a flashlight and a starting switch are arranged on the inner wall of the sewage scraping ring, a battery is arranged in the waterproof box, a wheel shaft is fixedly arranged on the mounting frame, a wheel hub motor electrically connected with the starting switch, the first limit switch and the second limit switch is arranged on the wheel shaft, an outer gear ring meshed with the racks is sleeved outside the wheel hub motor, the electric receiving torch is electrically connected with the battery through an insulated wire;
the outer wall of the tube body is slidably inserted with a push rod which is in contact with the starting switch and a conductive rod which is in contact with the receiving barrel, the outer end of the conductive rod is provided with a charger, and the charger is provided with a charging interface.
Preferably, the upper end of the outer side surface of the dirt scraping ring is tightly sleeved with a sealing ring;
wherein, the sealing ring with the inseparable sliding connection of body inner wall.
Preferably, the plurality of racks are distributed on the inner wall of the pipe body in a centrosymmetric manner;
and the first limit switch and the second limit switch are arranged right above and below each rack.
Preferably, the upper surface of the dirt scraping ring is a slope.
Preferably, the number of the hub motors is equal to that of the racks;
and each hub motor is sleeved with an outer gear ring in meshed connection with the gear rack.
Preferably, the first limit switch is a single-pole double-throw switch.
Preferably, when the lower end face of the dirt scraping ring is in contact with the limit switch two phases, the central axis of the push rod passes through the starting switch;
when the lower end face of the dirt scraping ring is in contact with the limit switch, the central axis of the conductive rod is overlapped with the central axis of the electric torch.
When the sewage draining pipe with the inner wall self-cleaning function for water treatment and purification is used for a period of time and the inner wall of the pipe body needs to be cleaned, the push rod can be pressed, the starting switch is pressed through the push rod, the hub motor is electrified and rotated to drive the outer gear ring to rotate, the outer gear ring rotates to drive the dirt scraping ring to ascend along the inner wall of the pipe body, the dirt adhered to the inner wall of the pipe body is scraped by the dirt scraping ring moving upwards, then the dirt passes through the dirt scraping ring and is discharged out of the pipe body, when the dirt scraping ring rises and impacts the limit switch, the limit switch I controls the hub motor to rotate reversely to drive the dirt scraping ring to descend, when the scraping ring descends and impacts the limit switch II, the limit switch II controls the hub motor to be powered off, and therefore the whole scraping operation is completed.
Has the advantages that: 1. the sewage discharge pipe with the inner wall self-cleaning function for water treatment purification can automatically clean the inner wall of the pipe, saves the trouble of manually cleaning the inner wall of the pipe regularly, saves time and labor, effectively saves maintenance cost and has good practicability; 2. the rack 2 made of a plurality of metal materials is convenient to fix, install and remove on the inner wall of the PVC pipe body 1.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first enlarged partial view of the present invention;
fig. 3 is a second enlarged partial view of the present invention.
The reference numerals are explained below:
1. a pipe body; 2. a rack; 3. a first limit switch; 4. a second limit switch; 5. a dirt scraping ring; 6. a seal ring; 7. a waterproof box; 8. a battery; 9. a mounting frame; 10. a hub motor; 11. a wheel axle; 12. an outer ring gear; 13. starting a switch; 14. a push rod; 15. an insulated wire; 16. a receiving flashlight; 17. a conductive rod; 18. a charger; 19. and a charging interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The first embodiment: referring to fig. 1-3, the sewage pipe for water treatment and purification provided by the invention comprises a pipe body 1, wherein a plurality of racks 2 parallel to the central axis of the pipe body 1 are arranged on the inner wall of the pipe body 1, a first limit switch 3 is arranged on the inner wall of the pipe body 1 above the racks 2, a second limit switch 4 is arranged on the inner wall of the pipe body 1 below the racks 2, a sewage scraping ring 5 is slidably arranged on the inner wall of the pipe body 1 between the first limit switch 3 and the second limit switch 4, a waterproof box 7, a mounting frame 9, a current collecting cylinder 16 and a starting switch 13 are arranged on the inner wall of the sewage scraping ring 5, the starting switch 13 is used for controlling the rotation of a hub motor 10, a battery 8 is arranged in the waterproof box 7, a wheel shaft 11 is fixedly arranged on the mounting frame 9, and the wheel shaft 11 is provided with the hub motor 10 electrically connected with the starting switch 13, the first limit switch 3 and the second limit switch 4, an outer gear ring 12 meshed with the rack 2 is sleeved outside the hub motor 10, and the current collecting barrel 16 is electrically connected with the battery 8 through an insulated wire 15;
the outer wall of the tube body 1 is inserted with a push rod 14 contacting with the starting switch 13 and a conductive rod 17 contacting with the electric torch 16 in a sliding way, the outer end of the conductive rod 17 is provided with a charger 18, and the charger 18 is provided with a charging interface 19.
As an optional embodiment, the sealing ring 6 is tightly sleeved at the upper end of the outer side surface of the dirt scraping ring 5;
wherein, sealing ring 6 and the inseparable sliding connection of body 1 inner wall, sealing ring 6 are used for sealed dirty ring 5 and the 1 inner wall of body of scraping, ensure to scrape totally with 1 inner wall of body.
The plurality of racks 2 are distributed on the inner wall of the pipe body 1 in a central symmetry manner, and the plurality of racks 2 are designed to enable the dirt scraping ring 5 to be internally provided with a plurality of hub motors 10, so that the dirt scraping ring 5 has enough power to move up and down in the pipe body 1;
wherein, all be provided with limit switch one 3 and limit switch two 4 directly over and under every rack 2, the design of a plurality of limit switch one 3 and limit switch two 4 ensures that dirty ring 5 can reliably change the motion state.
The upper surface of the dirt scraping ring 5 is an inclined plane, so that the dirt scraped conveniently passes through the dirt scraping ring 5.
The number of the hub motors 10 is equal to that of the racks 2;
wherein, each in-wheel motor 10 is sleeved with an outer gear ring 12 meshed with the rack 2.
The first limit switch 3 is a single-pole double-throw switch, and the forward and reverse rotation of the in-wheel motor 10 can be controlled through the first limit switch 3.
When the lower end face of the dirt scraping ring 5 is in contact with the second limit switch 4, the central axis of the push rod 14 passes through the starting switch 13, and the design ensures that the starting switch 13 can be controlled to start the hub motor 10 when the push rod 14 is pushed each time;
when the lower end face of the dirt scraping ring 5 is in contact with the second limit switch 4, the central axis of the conducting rod 17 is overlapped with the central axis of the receiving cylinder 16, and the design enables the hub motor 10 to charge the battery 8 when not in work.
The utility model provides a drain pipe is used in water treatment purification with inner wall self-cleaning function, use after a period, when needing to wash 1 inner wall of body, push rod 14 can be pressed, start switch 13 is pressed down through push rod 14, in-wheel motor 10 circular telegram is rotated and is driven outer ring gear 12 rotatory, outer ring gear 12 rotates and drives and scrapes dirty ring 5 and rise along 1 inner wall of body, scrape the filth that will paste on 1 inner wall of body through scraping dirty ring 5 and move up, afterwards, the filth passes scrapes dirty ring 5 discharge body 1, treat that to scrape dirty ring 5 and rise when striking limit switch one 3, limit switch one 3 control in-wheel motor 10 reversal, it descends to drive and scrape dirty ring 5, when scraping dirty ring 5 and descend and strike limit switch two 4, limit switch two 4 control in-wheel motor 10 outage, to this, whole operation of scraping is accomplished.
Second embodiment: a sewage discharge pipe with an inner wall self-cleaning function for water treatment and purification comprises a pipe body 1, wherein a plurality of racks 2 parallel to the central axis of the pipe body 1 are arranged on the inner wall of the pipe body 1, and the plurality of racks 2 are distributed on the inner wall of the pipe body 1 in a central symmetry manner; an annular magnet type limit switch I3 is fixedly sleeved on the outer wall of the pipe body 1 above the racks 2, an annular magnet type limit switch II 4 is fixedly sleeved on the outer wall of the pipe body 1 below the racks 2, a dirt scraping ring 5 is slidably mounted on the inner wall of the pipe body 1 between the limit switch I3 and the limit switch II 4, a waterproof box 7, a mounting frame 9, a current collecting cylinder 16 and a starting switch 13 are mounted on the inner wall of the dirt scraping ring 5, the upper surface of the dirt scraping ring 5 is an inclined surface, and a sealing ring 6 is tightly sleeved on the outer side surface of the dirt scraping ring 5; wherein the sealing ring 6 is closely connected with the inner wall of the pipe body 1 in a sliding way; a battery 8 and a magnetic sensor are installed in the waterproof box 7, a wheel shaft 11 is fixedly installed on the installation frame 9, wheel shaft 11 is provided with a starting switch 13 and hub motors 10 electrically connected with the magnetic sensor, the number of the hub motors 10 is equal to that of the racks 2, an outer gear ring 12 meshed and connected with the racks 2 is sleeved outside each hub motor 10, and the electric torch 16 is electrically connected with the battery 8 through an insulated wire 15;
a push rod 14 in contact with the starting switch 13 and a conductive rod 17 in contact with the electric torch 16 are inserted on the outer wall of the tube body 1 in a sliding manner, a charger 18 is arranged at the outer end of the conductive rod 17, and a charging interface 19 is arranged on the charger 18; when the lower end surface of the dirt scraping ring 5 is flush with the second limit switch 4, the central axis of the push rod 14 passes through the starting switch 13; when the lower end face of the dirt scraping ring 5 is flush with the second limit switch 4, the central axis of the conductive rod 17 coincides with the central axis of the electric torch 16.
Wherein the installation positions of the first limit switch 3 and the second limit switch 4 in the first embodiment are changed from two ends of the rack positioned on the inner wall of the pipe body 1 to two ends of the rack positioned on the outer wall of the pipe body 1, the specific realization structure is a ring magnet, a magnetic sensor is arranged in the dirt scraping ring 5 corresponding to the ring magnet, when the dirt scraping ring 5 engaged with the rack ascends or descends to the two ends of the rack 2, and the magnetic sensor in the dirt scraping ring senses the maximum signal of the external annular magnet, namely, the scraping ring 5 where the magnetic sensor is positioned is at the same height with the external ring magnet, namely, the expected position is reached, the motor is controlled to rotate reversely or power off, this setting not only can realize exempting limit switch to set up the defect of the corruption that easily receives the greasy dirt in the pipe wall, and this ring magnet still has another more important effect and is: make things convenient for fixed and installation, demolish of a plurality of racks 2 on body 1 inner wall. Because sewage pipes are corrosion-resistant PVC pipelines generally, but the rack is steel material generally, need special technology with the rack fixed on 1 inner wall of body, and the reliability is also not high, and follow-up clearance and change are demolishd all very troublesome in addition with rack 2 after fixing on the inner wall. The annular magnets are arranged on the outer wall of the pipe body 1 in a sleeved mode, and the two annular magnets are arranged on the outer wall in a sleeved mode and are parallel to the two ends of the plurality of racks 2. This design makes and need not to adopt other technologies to fix rack 2 on the inner wall, and the appeal that directly utilizes outer wall ring magnet is with firm absorption on jar internal wall 1 of a body of a plurality of racks, and when follow-up demolising, slide other positions with two ring magnet earlier, then the rack just drops naturally, and can also be convenient after using one section the position of three rack of adjustment in the inner wall, this quick convenient dismantlement can also make the position of follow-up three rack of change in 1 inner wall of body become possible.
As a further optimization, the material of the outer gear ring 12 on the dirt scraping ring 5, which is meshed with the rack 2, is selected to be a non-magnetic material, so that the outer gear ring 12 does not interfere with the reception of the magnetic sensor signal, and when the dirt scraping ring 5 is moved to a position flush with any one of the two ring magnets, the rack cannot be driven to slide accidentally.
The third implementation method comprises the following steps: a method for realizing the inner wall self-cleaning of the sewage pipe for water treatment and purification, the sewage pipe is made of PVC material, the sewage scraping action to the inner wall is finished in the sewage pipe 1 through the sewage scraping device 5 which is sealed and jointed with the inner wall contour of the pipe body and can move up and down back and forth along the inner wall, the moving direction reversal and the power-off operation to the power device 10 of the sewage scraping device 5 are respectively adopted at the top target point and the bottom target point of the sewage scraping stroke, wherein the arrival of the top target point and the bottom target point is realized through the matching of two annular magnets fixedly sleeved on the outer wall of the pipe body and a magnetic sensor positioned in the sewage scraping device 5 of the pipe body, and the two annular magnets are arranged at the upper target point and the lower target point of the outer wall of the pipe body; the sewage scraping device 5 takes the rack 2 as a moving track, and realizes the movement on the inner wall of the pipe body through the matching of a gear ring and the rack, wherein the moving track consists of a plurality of racks 2 which are parallel to the axis of the pipe body along the inner wall of the pipe body;
the stroke of the dirt scraping device 5 is started by extruding the starting switch 13 of the power device 10 through the external mechanical push rod transmission mechanism 14 which penetrates through the pipe arm, when the dirt scraping device 5 reaches the lowest end of the moving track and is about to finish the dirt scraping stroke, the external mechanical push rod transmission mechanism 14 is over against the starting switch 13 on one side of the power device 10, and the external conducting rod 17 is over against the charging connector of the dirt scraping device 5 at the moment, so that the battery electric energy supply of the dirt scraping device 5 in a non-cleaning state is realized.
Scrape 5 lateral surfaces upper ends of dirty ring and tightly overlap sealing ring 6, sealing ring 6 with the inseparable sliding connection of body inner wall scrapes 5 upper surfaces of dirty ring and sets up to the inclined plane structure that the filth that conveniently scrapes down passed dirty ring 5. The plurality of racks 2 are uniformly distributed on the inner wall at equal angles. The material of the gear ring 12 on the dirt scraping ring 5 meshed with the rack 2 is selected to be non-magnetic material. The two annular magnet types have the same material and outer diameter size.
Wherein the arrival of the target point of the top and the bottom is realized the process through the cooperation of adopting two ring magnet that establish at the fixed cover of body outer wall and being located the magnetic sensor of the dirty device 5 of scraping in the body: when the magnetic sensor senses that the external annular magnet signal reaches a peak value, the moving direction of the power device 10 is controlled to be reversed or power-off.
The implementation method is suitable for scraping the stains with different pipe body inner wall profiles, the stain scraping device in the implementation mode is not limited to the stain scraping rings in the two previous embodiments, mainly, the outer wall annular magnet is adopted to be arranged on the basis of fixing the inner wall rack track and can also be used as a part of the travel trigger switch, namely, the method can not only avoid the defect that the limit switch is arranged on the pipe wall and is easy to corrode oil stains, but also reduce the defect that the limit switch is arranged in the pipe wall and occupies a certain space, so that the inherent defect that the stain is blocked is aggravated additionally, and the annular magnet also has another more important function: make things convenient for fixed and installation, demolish of a plurality of racks 2 on body 1 inner wall.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (6)

1. A method for realizing the self-cleaning of the inner wall of a sewage pipe for water treatment and purification, the sewage pipe is made of PVC material, characterized in that the sewage scraping action to the inner wall is finished in the sewage pipe (1) through a sewage scraping device (5) which is in sealing fit with the contour of the inner wall of the pipe body and can move up and down back and forth along the inner wall, the moving directions of the sewage scraping device (5) and a power device (10) are respectively reversed and the power is cut off at the uppermost end target point and the lowermost end target point of the sewage scraping stroke, wherein the reaching of the uppermost end target point and the lowermost end target point is realized by adopting the matching of two annular magnets fixedly sleeved on the outer wall of the pipe body and a magnetic sensor of the sewage scraping device (5) positioned in the pipe body, and the two annular magnets are arranged at the upper target point and the lower target point of the outer wall of the pipe body; the dirt scraping device (5) takes the rack (2) as a moving track, and realizes the movement on the inner wall of the pipe body through the matching of a gear ring and the rack, wherein the moving track consists of a plurality of racks (2) which are parallel to the axis of the pipe body along the inner wall of the pipe body;
the stroke of the dirt scraping device (5) is started by extruding a starting switch (13) of a power device (10) of the dirt scraping device through an external mechanical push rod transmission mechanism (14) penetrating through a pipe wall, when the dirt scraping device (5) reaches the lowest end of a moving track and is about to finish scraping the dirt stroke, the external mechanical push rod transmission mechanism (14) is right opposite to the starting switch (13) on one side of the power device (10), and an external conductive rod (17) is right opposite to a charging connector of the dirt scraping device (5) at the moment so as to realize battery electric energy supply of the dirt scraping device (5) in a non-cleaning state.
2. The method for realizing self-cleaning of the inner wall of the sewage discharge pipe for water treatment and purification as claimed in claim 1, wherein the method comprises the following steps: scrape dirty device (5) lateral surface upper end tight cover have sealing ring (6), sealing ring (6) with the inseparable sliding connection of body inner wall, scrape dirty device (5) upper surface and set up to the inclined plane structure that the filth that conveniently scrapes got off passed dirty device (5).
3. The method for realizing self-cleaning of the inner wall of the sewage discharge pipe for water treatment and purification as claimed in claim 1, wherein the method comprises the following steps: the plurality of racks (2) are uniformly distributed on the inner wall at equal angles.
4. The method for realizing self-cleaning of the inner wall of the sewage discharge pipe for water treatment and purification as claimed in claim 1, wherein the method comprises the following steps: the material of the gear ring (12) which is meshed with the rack (2) on the dirt scraping device (5) is non-magnetic material.
5. The method for realizing self-cleaning of the inner wall of the sewage discharge pipe for water treatment and purification as claimed in claim 1, wherein the method comprises the following steps: the two ring magnets have the same material and outer diameter.
6. The method for realizing self-cleaning of the inner wall of the sewage discharge pipe for water treatment and purification as claimed in claim 1, wherein the method comprises the following steps: wherein the arrival of the target point of top and bottom is realized the process through the cooperation that adopts two ring magnet that establish at the fixed cover of body outer wall and the magnetic sensor who is located body internal scraping dirty device (5) and be: when the magnetic sensor senses that the external annular magnet signal reaches a peak value, the moving direction of the power device (10) is controlled to be reversed or powered off.
CN201810950682.0A 2018-08-20 2018-08-20 Method for realizing self-cleaning of inner wall of sewage discharge pipe for water treatment and purification Active CN108889735B (en)

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CN109410801A (en) * 2019-01-05 2019-03-01 卢保明 A kind of advertising board fixer

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DE19843497A1 (en) * 1998-09-22 2000-04-27 D T I Dr Trippe Ingenieurgesel Tool unit for ducting cleaning robot e.g. for removing grease, has brush elements mounted on rotary carrier for moving outwards into contact with ducting wall under centrifugal force
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CN103977996A (en) * 2014-05-10 2014-08-13 江村 Spiral-spring wire brush type tube cleaner
CN105772458A (en) * 2016-05-19 2016-07-20 丁国忠 Pipeline dredging washing device
CN207288252U (en) * 2017-04-28 2018-05-01 国网江苏省电力公司连云港供电公司 Pipe dredging machine people
CN207630331U (en) * 2017-11-14 2018-07-20 庄立 A kind of bicycle waste tire clean environment firendly robot

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Publication number Priority date Publication date Assignee Title
EP0745436A1 (en) * 1995-06-02 1996-12-04 Shell Internationale Researchmaatschappij B.V. Pipe cleaning pig
DE19843497A1 (en) * 1998-09-22 2000-04-27 D T I Dr Trippe Ingenieurgesel Tool unit for ducting cleaning robot e.g. for removing grease, has brush elements mounted on rotary carrier for moving outwards into contact with ducting wall under centrifugal force
CN202316475U (en) * 2011-10-21 2012-07-11 宝钢集团新疆八一钢铁有限公司 Dust removing and sucking device for iron-casting machine
CN103977996A (en) * 2014-05-10 2014-08-13 江村 Spiral-spring wire brush type tube cleaner
CN105772458A (en) * 2016-05-19 2016-07-20 丁国忠 Pipeline dredging washing device
CN207288252U (en) * 2017-04-28 2018-05-01 国网江苏省电力公司连云港供电公司 Pipe dredging machine people
CN207630331U (en) * 2017-11-14 2018-07-20 庄立 A kind of bicycle waste tire clean environment firendly robot

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