CN114054272A - Device for cleaning inner wall of pipeline and preventing corrosion by laser and method for removing rust and spraying paint - Google Patents

Device for cleaning inner wall of pipeline and preventing corrosion by laser and method for removing rust and spraying paint Download PDF

Info

Publication number
CN114054272A
CN114054272A CN202111176320.9A CN202111176320A CN114054272A CN 114054272 A CN114054272 A CN 114054272A CN 202111176320 A CN202111176320 A CN 202111176320A CN 114054272 A CN114054272 A CN 114054272A
Authority
CN
China
Prior art keywords
pipeline
wall
laser
cleaning
antirust paint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111176320.9A
Other languages
Chinese (zh)
Inventor
孙奇
周建忠
孟宪凯
李鹏飞
李礼
汪卉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University
Original Assignee
Jiangsu University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu University filed Critical Jiangsu University
Priority to CN202111176320.9A priority Critical patent/CN114054272A/en
Publication of CN114054272A publication Critical patent/CN114054272A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B05D3/0263—After-treatment with IR heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
    • B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049—Cleaning 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049—Cleaning 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
    • B08B9/051—Cleaning 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spray Control Apparatus (AREA)

Abstract

The invention provides a device for cleaning the inner wall of a pipeline and preventing corrosion by laser and a method for removing rust and spraying paint, comprising a laser cleaning system, an anti-rust paint spraying system and a moving system; the laser cleaning system comprises a transparent shell, a circular truncated cone reflector, a beam shaper, an optical fiber and a laser, wherein the circular truncated cone reflector and the beam shaper are positioned in the transparent shell, and the high-energy laser beam enters the beam shaper through the transmission of the optical fiber; the annular light spot is emitted into the circular truncated cone reflector, and a generated reflected light beam irradiates the surface of the inner wall of the pipeline through the transparent shell; two ends of the transparent shell are respectively connected with a moving system for the laser cleaning system to move on the inner wall of the pipeline; and the antirust paint spraying system is positioned behind the laser cleaning system and used for spraying antirust paint on the inner wall of the cleaned pipeline. The invention integrates the technologies of cleaning, painting and drying into a whole, and can realize high-efficiency cleaning and corrosion prevention of the inner wall of the pipeline by taking the movable wheel as a carrier.

Description

Device for cleaning inner wall of pipeline and preventing corrosion by laser and method for removing rust and spraying paint
Technical Field
The invention relates to the field of pipeline cleaning, in particular to a device for cleaning the inner wall of a pipeline and preventing corrosion by laser and a method for removing rust and spraying paint.
Background
The form of contamination of the inner wall of a pipe is numerous and, depending on the application, it is common for oil films, corrosion rust, dust particles, etc. to adhere to it. At present, the cleaning process for the inner wall of the pipeline is still biased to mechanical cleaning and chemical cleaning, which can bring more serious dust pollution and chemical pollution, and the efficiency is lower. The prior art provides a pipeline cleaning device and a cleaning method, the method utilizes a spray head provided with a brush to rotationally clean the inner wall of a pipeline, compared with the circulating flushing method of the pressure pipeline widely applied in the current market, the method has the advantages of more economic cost saving and simple and convenient operation, but chemical pollution caused by cleaning liquid cannot be avoided, and a water rust layer is easily generated on the cleaned surface to cause secondary pollution. The prior art provides a pipeline inner wall cleaning device, utilizes the micro motor who installs on the jackshaft to drive its mechanical type and washs the blade, carries out scraping formula washing to the pipeline inner wall, and this method cost is lower, but can arouse great dust pollution in the cleaning process to it is difficult to get rid of the pollutant of tiny size, washs the pollutant granule that drops and also is easily by washing blade embedding pipeline inner wall surface.
Compared with the traditional surface decontamination mode, laser cleaning is a promising technology, high-energy laser beams are irradiated on the surface of pollutants, and the incident laser energy is converted into heat energy in the skin depth of the surface through a reverse toughening absorption process, so that the surface temperature of the pollutants is increased, a series of physical and chemical phenomena such as thermal expansion, thermal stress, thermal ablation and the like between the pollutants and a substrate are caused, and finally the pollutants on the surface are separated from the substrate, thereby achieving the purpose of completely cleaning. The laser cleaning technology has the advantages of no pollution, no substrate damage, accuracy, easy control and the like, and has great attention in the industrial application range. The laser cleaning method and the cleaning device for the inner wall of the pipeline, which are provided by the prior art, mainly fix a laser cleaning head inside the pipeline and complete the laser cleaning operation by rotating a pipeline body, but the method is only suitable for cleaning the inner wall of a large-sized pipeline, and the laser cleaning head cannot be arranged inside the pipeline for small-sized pipelines.
Aiming at the endless laser cleaning method of the inner wall of the pipeline, the prior art provides a robot for cleaning the metal pipeline by laser, a reflecting light path for changing the laser is arranged on a moving trolley, and the reflecting laser is promoted to be reflected for 360 degrees by a rotating table to clean the inner wall of the pipeline.
To the pipeline inner wall after the completion of washing, generally need further anticorrosive operation, the anticorrosive device that sprays paint of iron natural gas line inner wall that prior art provided carries out anticorrosive operation of spraying paint to the pipeline inner wall through the shower nozzle that is equipped with the align to grid orifice, and the device is simple and convenient, and the operation is rapid, but the lacquer layer of pipeline inner wall can only dry through the ageing, and economic benefits is lower.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device for cleaning the inner wall of a pipeline and preventing corrosion by laser and a method for removing rust and spraying paint, which are used for removing pollutants on the inner wall of the pipeline by adopting a laser cleaning technology, and integrating the cleaning, spraying paint and drying technologies by combining an anti-corrosion process of the inner wall of the pipeline, and taking movable wheels as carriers, thereby realizing the high-efficiency cleaning and corrosion prevention of the inner wall of the pipeline and meeting the requirements of industrial development.
The present invention achieves the above-described object by the following technical means.
A device for cleaning the inner wall of a pipeline and preventing corrosion by laser comprises a laser cleaning system, an antirust paint spraying system and a moving system;
the laser cleaning system comprises a transparent shell, a round table reflector, a beam shaper, an optical fiber and a laser, wherein the round table reflector and the beam shaper are positioned in the transparent shell; the annular light spot is emitted into the circular truncated cone reflector, and a generated reflected light beam penetrates through the transparent shell to irradiate the surface of the inner wall of the pipeline and is used for laser cleaning; two ends of the transparent shell are respectively connected with a mobile system;
the moving system comprises wheels, connecting rods, a hub, a motor and a compression spring, wherein the hub is connected with the transparent shell, a plurality of telescopic connecting rods are uniformly distributed on the circumference of the hub, one end of each connecting rod is provided with the wheel, and the wheels are connected with the motor and used for driving the wheels to move on the inner wall of the pipeline; and the antirust paint spraying system is positioned behind the laser cleaning system and used for spraying antirust paint on the inner wall of the cleaned pipeline.
Further, the antirust paint spraying system comprises an antirust paint spraying wheel disc, a conveying pipe, a supercharger and a storage tank, wherein the antirust paint spraying wheel disc is connected with the wheel hub through an intermediate shaft; antirust paint sprays the rim plate surface and is equipped with a plurality of shower nozzles, store liquid antirust paint in the storage jar, liquid antirust paint passes through the booster and carries to spraying the rim plate, through the shower nozzle blowout.
Further, the supercharger and the storage tank are positioned outside the pipeline, and the supercharger is communicated with the antirust paint spraying wheel disc through a delivery pipe which can be wound; the laser is positioned outside the pipeline and is connected with the beam shaper through a reelable optical fiber.
Further, still include dry curing system, dry curing system includes infrared lamp tube, and a plurality of infrared lamp tubes are installed at the anti-rust paint and are sprayed rim plate rear for the rapid draing anti-rust paint.
The system further comprises a monitoring control system, wherein the monitoring control system comprises a miniature wide-angle CCD camera and a calculation center; the miniature wide-angle CCD camera is installed on the transparent shell and used for shooting a picture of the inner wall of the pipeline after laser cleaning, the calculation center judges whether the inner wall of the pipeline is cleaned or not by utilizing pattern recognition according to the picture of the inner wall of the pipeline, and when the inner wall of the pipeline is not cleaned, the calculation center controls the mobile system to retreat and controls the laser cleaning system to clean again.
Furthermore, miniature wide-angle CCD cameras arranged in a radial mode are installed outside the cylindrical transparent shell and used for observing spraying of antirust paint on the inner wall of the pipeline.
A method for rust removing and paint spraying of the inner wall of a pipeline comprises the following steps:
placing a device for cleaning the inner wall of the pipeline and preventing corrosion by laser at one end of the inner wall of the pipeline, and adjusting a telescopic connecting rod according to the inner diameter of the pipeline;
the motor is controlled to rotate through the monitoring control system, the laser cleaning system is driven to move, and the inner wall of the pipeline is cleaned through laser; the micro wide-angle CCD camera acquires a picture of the inner wall of the pipeline after laser cleaning, the computing center judges whether the inner wall of the pipeline is cleaned or not by utilizing pattern recognition according to the picture of the inner wall of the pipeline, and when the inner wall of the pipeline is not cleaned, the computing center controls the mobile system to retreat and controls the laser cleaning system to clean again;
antirust paint spraying system carries out spraying of antirust paint to the pipeline wall of sanitization, utilizes dry curing system rapid drying antirust paint.
The invention has the beneficial effects that:
1. according to the device for cleaning the inner wall of the pipeline and preventing corrosion by using the laser and the method for removing rust and spraying paint, the pollutants on the inner wall of the pipeline are removed by adopting a laser cleaning technology, the cleaning, spraying paint and drying technologies are integrated by combining an anti-corrosion process of the inner wall of the pipeline, and the movable wheel is used as a carrier, so that the inner wall of the pipeline can be efficiently cleaned and prevented corrosion, and the requirements of industrial development are met.
2. The device for cleaning the inner wall of the pipeline and preventing corrosion and the method for removing rust and spraying paint, disclosed by the invention, monitor the wall surface quality of the cleaned pipeline by using an image recognition technology through a monitoring control system.
Drawings
FIG. 1 is a three-dimensional view of a device for cleaning the inner wall of a pipeline and preventing corrosion by laser according to the invention.
Fig. 2 is a left side view of fig. 1.
In the figure:
1-vehicle wheels; 2-a connecting rod; 3-a hub; 4-a transparent shell; 5-a circular truncated cone reflector; 6-miniature wide-angle CCD camera; 7-a beam shaper; 8-spraying antirust paint on the wheel disc; 9-infrared lamp tube; 10-a cover plate; 11-locknuts; 12-a delivery pipe; 13-an optical fiber; 14-a laser; 15-a motor; 16-an intermediate shaft; 17-a supercharger; 18-a storage tank; 19-calculation center.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, the device for cleaning the inner wall of the pipeline and preventing corrosion by laser comprises a laser cleaning system, an anti-rust paint spraying system, a moving system, a drying and curing system and a monitoring control system;
the laser cleaning system comprises a transparent shell 4, a circular truncated cone reflector 5, a beam shaper 7, an optical fiber 13 and a laser 14, wherein the circular truncated cone reflector 5 and the beam shaper 7 are positioned inside the transparent shell 4, the laser 14 is used for generating a high-energy laser beam, and the high-energy laser beam is transmitted into the beam shaper 7 through the optical fiber 13 and is used for outputting an annular light spot; the annular light spot is emitted into the circular truncated cone reflector 5, and a generated reflected light beam penetrates through the transparent shell 4 to irradiate the surface of the inner wall of the pipeline and is used for laser cleaning; and two ends of the transparent shell 4 are respectively connected with a mobile system. The laser 14 is located outside the pipe and is connected to the beam shaper 7 by a retractable optical fibre 13.
The moving system comprises a wheel 1, a connecting rod 2, a hub 3 and a motor 15. Wheel hub 3 is connected with transparent shell 4, a plurality of telescopic connecting rods 2 of equipartition on the 3 circumference of wheel hub, wheel 1 is installed to the one end of connecting rod 2, and vehicle 1 can support at the pipeline inner wall, wheel 1 is connected with motor 15 for drive wheel 1 removes at the pipeline inner wall.
And the antirust paint spraying system is positioned behind the laser cleaning system and used for spraying antirust paint on the inner wall of the cleaned pipeline. The antirust paint spraying system comprises an antirust paint spraying wheel disc 8, a delivery pipe 12, a supercharger 17 and a storage tank 18, wherein the antirust paint spraying wheel disc 8 is connected with the hub 3 through an intermediate shaft 16; antirust paint sprays rim plate 8 surface and is equipped with a plurality of shower nozzles, store liquid antirust paint in the storage jar 18, liquid antirust paint passes through booster 17 and carries to spraying rim plate 8, through the shower nozzle blowout. The supercharger 17 and the storage tank 18 are positioned outside the pipeline, and the supercharger 17 is communicated with the antirust paint spraying wheel disc 8 through a delivery pipe 12 which can be wound;
the drying and curing system comprises infrared lamp tubes 9, a plurality of infrared lamp tubes 9 are mounted on a cover plate 10 behind an antirust paint spraying wheel disc 8 through locknuts, and the infrared lamp tubes 9 are used for rapidly drying antirust paint.
The monitoring control system comprises a miniature wide-angle CCD camera 6 and a calculation center 19; miniature wide angle CCD camera 6 installs on transparent shell 4 for shoot the pipeline inner wall picture after the laser cleaning, calculation center 19 utilizes figure recognition to judge whether the pipeline inner wall washs totally according to the pipeline inner wall picture, does not wash totally when the pipeline inner wall, then calculation center 19 control mobile system retreat and control laser cleaning system wash again. The miniature wide-angle CCD cameras 6 which are radially arranged are arranged outside the cylindrical transparent shell 4 and are also used for observing the spraying of the antirust paint on the inner wall of the pipeline.
The invention combines the laser cleaning and the anticorrosion process together, and carries out automatic anticorrosion paint spraying and quick drying while cleaning the inner wall of the pipeline, thereby being green, environment-friendly, efficient and intelligent.
For example, the apparatus of the present invention was used to clean a floating rust layer on the inner wall of a 1m inner diameter Q345C steel pipe. The peak power of the laser 14 can reach 1010W/cm2The SpitLigecht 2000-10 type Nd: YAG pulse laser and the method for removing rust and spraying paint on the inner wall of the pipeline comprise the following steps:
A) the telescopic connecting rod 2 is properly compressed according to the inner diameter of the pipeline, and the device for cleaning the inner wall of the pipeline and preventing corrosion is placed at one end of the inner wall of the pipeline;
B) opening the small wide-angle CCD camera 6 through the calculation center 19, setting the forward rotating speed of the motor 15, giving the wheel 1 a certain initial speed of 3500mm/s, simultaneously opening the laser 14, setting the cleaning parameters suitable for the pollution condition of the inner wall of the current pipeline as laser power of 50W, pulse repetition frequency of 100kHz and pulse width of 100 ns;
C) the miniature wide-angle CCD camera 6 acquires a picture of the inner wall of the pipeline after laser cleaning, the calculation center 19 judges whether the inner wall of the pipeline is cleaned or not by using pattern recognition according to the picture of the inner wall of the pipeline, and when the inner wall of the pipeline is not cleaned, the calculation center (19) controls the mobile system to retreat and controls the laser cleaning system to clean again;
D) the anti-rust paint spraying system sprays anti-rust paint on the wall surface of the pipeline which is cleaned completely, the pressure parameter of the supercharger 17 is set, the conveying system of the storage tank 18 is opened, the anti-rust paint can be uniformly covered, meanwhile, the thermal power parameter of the infrared lamp tube is set, the maximum temperature of the surface of the infrared lamp tube reaches 200 ℃, the infrared lamp tube 9 is opened, and the spraying and drying and curing operation of the anti-rust paint are carried out.
And cutting a part of the sample in the steel pipe, and observing according to SEM, wherein the surface cleaning effect is good, and the dried paint layer is not sticky and meets the process requirements.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (7)

1. A device for cleaning the inner wall of a pipeline and preventing corrosion by laser is characterized by comprising a laser cleaning system, an antirust paint spraying system and a moving system;
the laser cleaning system comprises a transparent shell (4), a circular truncated cone reflector (5), a beam shaper (7), an optical fiber (13) and a laser (14), wherein the circular truncated cone reflector (5) and the beam shaper (7) are positioned inside the transparent shell (4), the laser (14) is used for generating a high-energy laser beam, and the high-energy laser beam is transmitted into the beam shaper (7) through the optical fiber (13) and is used for outputting an annular light spot; the annular light spot is emitted into the circular truncated cone reflector (5), and a generated reflected light beam penetrates through the transparent shell (4) to irradiate the surface of the inner wall of the pipeline and is used for laser cleaning; two ends of the transparent shell (4) are respectively connected with a mobile system;
the moving system comprises wheels (1), connecting rods (2), a hub (3) and a motor (15), wherein the hub (3) is connected with a transparent shell (4), a plurality of telescopic connecting rods (2) are uniformly distributed on the circumference of the hub (3), one end of each connecting rod (2) is provided with the wheel (1), and the wheel (1) is connected with the motor (15) and used for driving the wheel (1) to move on the inner wall of the pipeline; and the antirust paint spraying system is positioned behind the laser cleaning system and used for spraying antirust paint on the inner wall of the cleaned pipeline.
2. The device for cleaning the inner wall of the pipeline and preventing corrosion by laser according to claim 1, wherein the antirust paint spraying system comprises an antirust paint spraying wheel disc (8), a conveying pipe (12), a supercharger (17) and a storage tank (18), and the antirust paint spraying wheel disc (8) is connected with the hub (3) through an intermediate shaft (16); antirust paint sprays rim plate (8) surface and is equipped with a plurality of shower nozzles, store liquid antirust paint in storage jar (18), liquid antirust paint passes through booster (17) and carries to spraying rim plate (8), through the shower nozzle blowout.
3. The device for cleaning the inner wall of the pipeline and preventing corrosion by laser as claimed in claim 2, wherein the supercharger (17) and the storage tank (18) are positioned outside the pipeline, and the supercharger (17) is communicated with the antirust paint spraying wheel disc (8) through a delivery pipe (12) which can be wound; the laser (14) is positioned outside the pipeline and is connected with the beam shaper (7) through a reelable optical fiber (13).
4. The device for cleaning the inner wall of the pipeline and preventing corrosion by laser according to claim 2, further comprising a drying and curing system, wherein the drying and curing system comprises infrared lamp tubes (9), and a plurality of infrared lamp tubes (9) are installed behind the antirust paint spraying wheel disc (8) and used for rapidly drying the antirust paint.
5. The device for cleaning the inner wall of the pipeline and preventing corrosion by using laser as claimed in claim 2, further comprising a monitoring control system, wherein the monitoring control system comprises a miniature wide-angle CCD camera (6) and a calculation center (19); miniature wide angle CCD camera (6) are installed on transparent shell (4) for take the pipeline inner wall picture after the laser cleaning, whether the calculation center (19) utilizes figure recognition to judge the pipeline inner wall sanitization according to the pipeline inner wall picture, when the pipeline inner wall is the sanitization not, then calculation center (19) control mobile system retreat and control laser cleaning system wash again.
6. The device for cleaning the inner wall of the pipeline and preventing corrosion by using laser as claimed in claim 5, wherein the cylindrical transparent shell (4) is externally provided with miniature wide-angle CCD cameras (6) which are arranged in a radial direction and used for observing the spraying of the antirust paint on the inner wall of the pipeline.
7. A method for rust removal and paint spraying of the inner wall of a pipeline is characterized by comprising the following steps:
the device for cleaning the inner wall of the pipeline and preventing corrosion by laser according to claim 5 is placed at one end of the inner wall of the pipeline, and the telescopic connecting rod (2) is adjusted according to the inner diameter of the pipeline;
the motor (15) is controlled to rotate by the monitoring control system to drive the laser cleaning system to move, and the inner wall of the pipeline is cleaned by laser; the miniature wide-angle CCD camera (6) acquires a picture of the inner wall of the pipeline after laser cleaning, the calculation center (19) judges whether the inner wall of the pipeline is cleaned or not by utilizing pattern recognition according to the picture of the inner wall of the pipeline, and when the inner wall of the pipeline is not cleaned, the calculation center (19) controls the mobile system to retreat and controls the laser cleaning system to clean again;
antirust paint spraying system carries out spraying of antirust paint to the pipeline wall of sanitization, utilizes dry curing system rapid drying antirust paint.
CN202111176320.9A 2021-10-09 2021-10-09 Device for cleaning inner wall of pipeline and preventing corrosion by laser and method for removing rust and spraying paint Pending CN114054272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111176320.9A CN114054272A (en) 2021-10-09 2021-10-09 Device for cleaning inner wall of pipeline and preventing corrosion by laser and method for removing rust and spraying paint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111176320.9A CN114054272A (en) 2021-10-09 2021-10-09 Device for cleaning inner wall of pipeline and preventing corrosion by laser and method for removing rust and spraying paint

Publications (1)

Publication Number Publication Date
CN114054272A true CN114054272A (en) 2022-02-18

Family

ID=80234411

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111176320.9A Pending CN114054272A (en) 2021-10-09 2021-10-09 Device for cleaning inner wall of pipeline and preventing corrosion by laser and method for removing rust and spraying paint

Country Status (1)

Country Link
CN (1) CN114054272A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115027130A (en) * 2022-08-10 2022-09-09 江苏桑耐电气有限公司 Automatic injection device for water transfer printing activator for motor housing processing
CN115318758A (en) * 2022-07-18 2022-11-11 广西科技大学 Metal pipeline laser derusting robot and method based on machine vision
CN115445836A (en) * 2022-09-27 2022-12-09 四川兴天元钢桥有限公司 Intelligent laser rust removal automatic spraying workstation for large-diameter steel pipe and using method thereof
CN117066699A (en) * 2023-08-31 2023-11-17 上海建冶科技股份有限公司 Laser rust removing equipment for steel member
US20240181492A1 (en) * 2022-12-01 2024-06-06 Rtx Corporation Hybrid laser surface processing and spray coating system

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104209214A (en) * 2014-09-30 2014-12-17 常州冯士节能环保科技有限公司 Height-adjustable pipe inner wall spraying equipment
CH708432A2 (en) * 2013-08-12 2015-02-13 Albrecht Wüthrich Drain cleaner.
CN204685595U (en) * 2015-06-19 2015-10-07 湖州志英光电有限公司 A kind of laser cleaning head for inner-walls of duct cleaning
CN106808352A (en) * 2016-12-30 2017-06-09 重庆腾通工业设计有限公司 Inner-walls of duct eliminates rust and spray-painting plant
CN107457126A (en) * 2017-09-30 2017-12-12 江苏瑞腾涂装科技有限公司 A kind of spray equipment of internal lining pipe
CN206935639U (en) * 2017-07-07 2018-01-30 新昌县柏采工艺品有限公司 A kind of metal tube spray equipment based on screw mandrel spraying end block
CN207576746U (en) * 2017-10-30 2018-07-06 重庆市龙山金属材料有限公司 A kind of steel pipe inner wall cleans spray equipment
CN109351715A (en) * 2018-12-25 2019-02-19 江门珠西激光智能科技有限公司 A kind of portable hand-held laser cleaning equipment suitable for metallic conduit
CN109482399A (en) * 2018-11-12 2019-03-19 东莞理工学院 A kind of spray equipment
CN110449304A (en) * 2019-09-05 2019-11-15 广东海洋大学 A kind of pipe inner-wall spraying robot of adaptive caliber
CN110962122A (en) * 2019-11-11 2020-04-07 中广核工程有限公司 Pipeline cleaning robot control system and method
CN110976163A (en) * 2019-12-09 2020-04-10 安徽省睿斯达石油有限公司 Petroleum pipeline inner wall is with clean anticorrosive device
CN211838596U (en) * 2019-10-25 2020-11-03 昆山市法歌喷雾净化系统有限公司 Laser rust-removing paint-spraying machine
CN211938280U (en) * 2020-01-09 2020-11-17 李国民 Anticorrosive rust cleaning device of oil field gathering and transportation pipeline inner wall
CN112097010A (en) * 2020-09-26 2020-12-18 科顺生态建设(宁波)有限公司 Drainage pipeline spraying repair device and repair method thereof
CN213700508U (en) * 2020-11-02 2021-07-16 华正建设集团有限公司 Self-walking type anti-corrosion construction device for oil conveying pipeline
CN113171915A (en) * 2021-04-26 2021-07-27 北京天润建设有限公司 Painting device
CN113182282A (en) * 2021-05-13 2021-07-30 圣同激光设备(上海)有限公司 Laser cleaning method and laser cleaning head for inner wall of pipeline
CN214133154U (en) * 2020-11-02 2021-09-07 中科光绘（上海）科技有限公司 Pipeline inner wall laser rust cleaning device with adjustable focal length

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH708432A2 (en) * 2013-08-12 2015-02-13 Albrecht Wüthrich Drain cleaner.
CN104209214A (en) * 2014-09-30 2014-12-17 常州冯士节能环保科技有限公司 Height-adjustable pipe inner wall spraying equipment
CN204685595U (en) * 2015-06-19 2015-10-07 湖州志英光电有限公司 A kind of laser cleaning head for inner-walls of duct cleaning
CN106808352A (en) * 2016-12-30 2017-06-09 重庆腾通工业设计有限公司 Inner-walls of duct eliminates rust and spray-painting plant
CN206935639U (en) * 2017-07-07 2018-01-30 新昌县柏采工艺品有限公司 A kind of metal tube spray equipment based on screw mandrel spraying end block
CN107457126A (en) * 2017-09-30 2017-12-12 江苏瑞腾涂装科技有限公司 A kind of spray equipment of internal lining pipe
CN207576746U (en) * 2017-10-30 2018-07-06 重庆市龙山金属材料有限公司 A kind of steel pipe inner wall cleans spray equipment
CN109482399A (en) * 2018-11-12 2019-03-19 东莞理工学院 A kind of spray equipment
CN109351715A (en) * 2018-12-25 2019-02-19 江门珠西激光智能科技有限公司 A kind of portable hand-held laser cleaning equipment suitable for metallic conduit
CN110449304A (en) * 2019-09-05 2019-11-15 广东海洋大学 A kind of pipe inner-wall spraying robot of adaptive caliber
CN211838596U (en) * 2019-10-25 2020-11-03 昆山市法歌喷雾净化系统有限公司 Laser rust-removing paint-spraying machine
CN110962122A (en) * 2019-11-11 2020-04-07 中广核工程有限公司 Pipeline cleaning robot control system and method
CN110976163A (en) * 2019-12-09 2020-04-10 安徽省睿斯达石油有限公司 Petroleum pipeline inner wall is with clean anticorrosive device
CN211938280U (en) * 2020-01-09 2020-11-17 李国民 Anticorrosive rust cleaning device of oil field gathering and transportation pipeline inner wall
CN112097010A (en) * 2020-09-26 2020-12-18 科顺生态建设(宁波)有限公司 Drainage pipeline spraying repair device and repair method thereof
CN213700508U (en) * 2020-11-02 2021-07-16 华正建设集团有限公司 Self-walking type anti-corrosion construction device for oil conveying pipeline
CN214133154U (en) * 2020-11-02 2021-09-07 中科光绘（上海）科技有限公司 Pipeline inner wall laser rust cleaning device with adjustable focal length
CN113171915A (en) * 2021-04-26 2021-07-27 北京天润建设有限公司 Painting device
CN113182282A (en) * 2021-05-13 2021-07-30 圣同激光设备(上海)有限公司 Laser cleaning method and laser cleaning head for inner wall of pipeline

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115318758A (en) * 2022-07-18 2022-11-11 广西科技大学 Metal pipeline laser derusting robot and method based on machine vision
CN115027130A (en) * 2022-08-10 2022-09-09 江苏桑耐电气有限公司 Automatic injection device for water transfer printing activator for motor housing processing
CN115445836A (en) * 2022-09-27 2022-12-09 四川兴天元钢桥有限公司 Intelligent laser rust removal automatic spraying workstation for large-diameter steel pipe and using method thereof
CN115445836B (en) * 2022-09-27 2024-01-30 四川兴天元钢桥有限公司 Intelligent laser rust removal automatic spraying workstation for large-caliber steel pipes and application method thereof
US20240181492A1 (en) * 2022-12-01 2024-06-06 Rtx Corporation Hybrid laser surface processing and spray coating system
CN117066699A (en) * 2023-08-31 2023-11-17 上海建冶科技股份有限公司 Laser rust removing equipment for steel member
CN117066699B (en) * 2023-08-31 2024-04-16 上海建冶科技股份有限公司 Laser rust removing equipment for steel member

Similar Documents

Publication Publication Date Title
CN114054272A (en) Device for cleaning inner wall of pipeline and preventing corrosion by laser and method for removing rust and spraying paint
CN205659939U (en) Aircraft skin paint removal laser cleaning system
CN100455397C (en) Method for removing resin layer from resin-coated metal tube
CN108216411B (en) Crawling robot and ship steel surface pretreatment process
CN207120858U (en) A kind of laser cleaner of hull surface paint
CN111644291A (en) Automatic paint spraying device with good spraying effect for metal pipe
CN113441480A (en) Compound laser belt cleaning device of marine industrial equipment pipeline inner wall
CN111438140B (en) Laser cleaning method and device suitable for wires and bars
CN109226103A (en) A kind of laser cleaning device and method suitable for underwater environment
CN106362992B (en) The laser cleaning system of inner wall of the pipe decontamination
CN207839292U (en) A kind of pre-treatment production line of the vertical state of steel pipe bundle component
KR101633288B1 (en) apparatus for removing painting layer
CN217391936U (en) Wind direction adjusting device of air-assisted sprayer
CN110721956A (en) Ultrasonic cleaning method and cleaning device for enameled flat wire
CN108246699B (en) Cleaning method of stainless steel box body for high-power laser
CN215823424U (en) Quick painting device for steel plate for ship
CN209272051U (en) A kind of laser cleaning equipment suitable for underwater environment
CN112746239B (en) Aluminum-titanium alloy material carbonization treatment equipment for manufacturing space satellite
CN214289854U (en) Oil tank cleaning device
CN209772442U (en) Planetary rotary spray washing equipment
CN110202459B (en) Improved generation high density panel rust cleaning device
CN219351650U (en) Photovoltaic board cleaning system based on unmanned aerial vehicle
CN213468291U (en) Spraying equipment is used in production of car oil shield
CN216965154U (en) Medium smearing equipment control device and automatic smearing medium control system
CN115338195B (en) Integrated corrosion prevention device for natural gas pipeline outer wall rust removal and painting

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20220218

RJ01 Rejection of invention patent application after publication