CN115446042B - Automatic cleaning system and cleaning method for pipe coating - Google Patents

Automatic cleaning system and cleaning method for pipe coating Download PDF

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Publication number
CN115446042B
CN115446042B CN202211198614.6A CN202211198614A CN115446042B CN 115446042 B CN115446042 B CN 115446042B CN 202211198614 A CN202211198614 A CN 202211198614A CN 115446042 B CN115446042 B CN 115446042B
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China
Prior art keywords
pipe
cleaning
range finder
laser range
wall
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Application number
CN202211198614.6A
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Chinese (zh)
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CN115446042A (en
Inventor
钟军超
李志杰
董平
温海军
陈文亮
王兵杰
李强
张志阳
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.)
Xinxing Ductile Iron Pipes Co Ltd
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Xinxing Ductile Iron Pipes Co Ltd
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Publication date
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Priority to CN202211198614.6A priority Critical patent/CN115446042B/en
Publication of CN115446042A publication Critical patent/CN115446042A/en
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Classifications

    • 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
    • B08B9/023Cleaning the external surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • 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
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses an automatic cleaning system and a cleaning method for pipe coating, belonging to the technical field of auxiliary equipment for cast pipe production, wherein the automatic cleaning system comprises a cleaning room floor, a guide rail, a pipe transporting vehicle, a limiting device, a first high-pressure spray gun, a second high-pressure spray gun, a sedimentation tank and a PLC (programmable logic controller); the cleaning method comprises the following steps: the pipe transporting vehicle advances, and the carrier roller rotates to drive the pipe to rotate; when the laser range finder detects that the distance between the head and the pipe is L1, flushing the outer wall of the pipe; when the laser range finder detects that the distance between the head and the pipe is L2, flushing the inner wall of the pipe; when the laser range finder detects that the head distance is 0, the pipe transporting vehicle backs up; when the laser range finder detects that the distance between the head and the pipe is L2, only the outer wall of the pipe is cleaned; when the laser range finder detects that the distance between the head and the pipe is L1, the pipe is washed; the pipe transporting vehicle retreats until the tail of the pipe transporting vehicle touches the mechanical limiter to stop. The invention can improve the automation level and thoroughly clean the paint on the outer wall and the inner wall of the pipe.

Description

Automatic cleaning system and cleaning method for pipe coating
Technical Field
The invention relates to the technical field of auxiliary equipment for cast tube production, in particular to an automatic tube coating cleaning system and a cleaning method thereof.
Background
The ductile cast iron pipe produced by the hot mould method can enter the next procedure after being subjected to an annealing procedure and then being cooled by water. Because the cooling water switch is far away, during continuous production, staff is busy in work, often can neglect to close the cooling water switch at the socket, and the accumulation of the daily month can cause a large amount of waste of water resource. And because the water cleaning process cleans the pipe body coating through the high-pressure pump, the high-pressure pump pore canal can be blocked after long-time use due to impure water quality, the production is affected, and the maintenance times are increased. In addition, the water inlet valve of the high-pressure pump is in a normally open state before transformation, new water is continuously flowing outwards when the high-pressure pump stops running, and water resource waste is avoided due to the fact that circulating water is not used. The whole machine is low in automation degree, long in cleaning time and occasionally has the problem of incomplete cleaning.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic cleaning system and a cleaning method for pipe coating, which can thoroughly clean the coating on the outer wall and the inner wall of a pipe while improving the automation level.
In order to solve the technical problems, the invention adopts the following technical scheme:
the automatic pipe coating cleaning system comprises a cleaning room ground, a guide rail fixed on the cleaning room ground, a pipe transporting vehicle arranged on the guide rail, a limiting device for limiting the pipe transporting vehicle, a first high-pressure spray gun fixed on a fixing frame for cleaning the outer wall of a pipe, a second high-pressure spray gun fixed on a supporting rod for cleaning the inner wall of the pipe, a sedimentation tank for recycling sewage and a PLC (programmable logic controller) for controlling the sedimentation tank;
the pipe transporting vehicle comprises a plurality of carrier rollers arranged at the vehicle body and baffle wheels arranged at the bell mouth of the vehicle head pipe;
a filter screen is arranged at the inlet of the sedimentation tank;
the water pipe of the first high-pressure spray gun and the water pipe of the second high-pressure spray gun are respectively communicated with a filter, a pneumatic valve and a high-pressure pump which are sequentially connected through a first electromagnetic valve and a second electromagnetic valve;
the limiting device comprises a mechanical limiter arranged in the direction of the pipe socket and a laser range finder arranged in the direction of the pipe socket.
The technical scheme of the invention is further improved as follows: the first high-pressure spray gun is provided with a plurality of water spray ports with different water spray directions.
The technical scheme of the invention is further improved as follows: the second high-pressure spray gun and the horizontally arranged support rod bear a preset included angle, and the range of the preset included angle is 15-45 degrees.
The technical scheme of the invention is further improved as follows: the filter screen is divided into three sections, and the diameters of the filter screen are sequentially reduced from outside to inside.
The technical scheme of the invention is further improved as follows: the cleaning chamber ground is V-shaped, the heights of two sides are larger than the middle height, and the central groove inclines to the sedimentation tank.
The technical scheme of the invention is further improved as follows: the guide rail is inclined upwards from the pipe socket position to the pipe spigot position, and the inclination angle range is 5-15 degrees.
A cleaning method of an automatic pipe coating cleaning system, comprising the steps of:
s1, a pipe transporting vehicle advances, and a carrier roller rotates to drive a pipe to rotate;
s2, when the laser range finder detects that the distance between the vehicle head and the vehicle body is L1, starting a pneumatic valve and a first electromagnetic valve, and flushing the outer wall of the pipe;
s3, when the laser range finder detects that the distance between the vehicle head and the vehicle body is L2, a second electromagnetic valve is started to flush the inner wall of the pipe;
s4, when the laser range finder detects that the headstock distance is 0, reversing the pipe transporting vehicle;
s5, when the laser range finder detects that the distance between the vehicle head and the vehicle body is L2, the second electromagnetic valve is closed, and only the outer wall of the pipe is cleaned;
s6, when the laser range finder detects that the distance between the head and the vehicle is L1, the pneumatic valve and the first electromagnetic valve are closed, and the carrier roller stops to finish flushing the pipe;
and S7, the pipe transporting vehicle retreats until the tail of the pipe transporting vehicle touches the mechanical limiter to stop.
By adopting the technical scheme, the invention has the following technical progress:
1. the automatic cleaning system for the pipe coating is arranged, so that the automatic cleaning of the inner wall and the outer wall of the pipe is realized, the outer wall of the pipe is cleaned, and the waste of water resources is avoided.
2. The electromagnetic valve is arranged, so that the opening of water in an operation room can be controlled, manual valve opening and closing of post personnel are avoided, the pneumatic valve and the high-pressure pump form a linkage device, the opening of new water for opening the high-pressure pump is realized, the closing of new water for closing the pump is realized, and meanwhile, automatic cleaning of pipe paint can be realized through an automatic system.
3. According to the invention, the ground of the cleaning chamber is set to be V-shaped, the heights of the two sides are larger than the middle height, and the central groove inclines towards the sedimentation tank, so that the cleaning water can automatically flow into the sedimentation tank.
4. According to the invention, the guide rail is arranged to incline upwards from the pipe spigot position to the pipe socket position, so that water at the pipe socket position can automatically flow to the ground from the spigot direction after cleaning.
5. According to the invention, the first high-pressure spray gun is provided with the plurality of water spray ports with different water spray directions, and the second high-pressure spray gun and the horizontally arranged support rod bear a preset included angle, so that sundries on the inner wall of the pipe can be cleaned from the socket to the spigot.
Drawings
FIG. 1 is an automated pipe dope cleaning system according to the present invention;
FIG. 2 is a view of the first high pressure lance water jet position in accordance with the present invention;
wherein, 1, cleaning room ground, 2, guide rails, 3, pipe transporting vehicle, 4, carrier roller, 5, baffle wheel, 6, first high-pressure spray gun, 7, support bar, 8, fixing frame, 9, filter screen, 10, a sedimentation tank, 11, a second high-pressure spray gun, 12, a second electromagnetic valve, 13, a first electromagnetic valve, 14, a first limiting device, 15 and a laser range finder.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and examples:
as shown in fig. 1, the automatic pipe coating cleaning system comprises a cleaning room ground 1, a guide rail 2 fixed on the cleaning room ground 1, a pipe transporting vehicle 3 arranged on the guide rail 2, a limiting device for limiting the pipe transporting vehicle 3, a first high-pressure spray gun 6 fixed on a fixing frame 8 for cleaning the outer wall of a pipe, a second high-pressure spray gun 11 fixed on a supporting rod 7 for cleaning the inner wall of the pipe, and a sedimentation tank 10 for recycling sewage;
the pipe transporting vehicle 3 comprises a plurality of carrier rollers 4 arranged at the vehicle body and baffle wheels 5 arranged at the bell mouth of the vehicle head pipe; the carrier roller 4 is interlocked with the pipe transporting vehicle 3, and the baffle wheel 5 can prevent the pipe from moving forwards under the action of axial force;
a filter screen 9 is arranged at the inlet of the sedimentation tank 10; the filter screen 9 is divided into three sections, and the diameters of the filter screen are sequentially reduced from outside to inside, so that the purpose is to ensure that the residual paint does not flow into a sedimentation tank, and the water in the sedimentation tank can be used for cooling poured by a centrifugal machine.
The water pipe of the first high-pressure spray gun 6 and the water pipe of the second high-pressure spray gun 11 are respectively communicated with a filter, a pneumatic valve and a high-pressure pump which are sequentially connected through a first electromagnetic valve 13 and a second electromagnetic valve 12; the high-pressure pump needs to be purified by a filter, the pneumatic valve and the high-pressure pump form a linkage device, so that the high-pressure pump can be opened by opening new water, and the high-pressure pump can be closed by closing the new water; the first electromagnetic valve 13 and the second electromagnetic valve 12 realize the opening of water in an operation room, and the manual valve opening and closing of post personnel is avoided.
The first high-pressure spray gun 6 is provided with a plurality of water spray ports with different water spray directions, as shown in fig. 2, when three water spray ports are arranged, the water spray ports are respectively distributed at the top end and two sides of the pipe, the cleaning area of the paint is ensured, and the paint is thoroughly cleaned.
The second high-pressure spray gun 11 and the horizontally arranged support rod 7 bear a preset included angle, the range of the preset included angle is 15-45 degrees, and sundries on the inner wall of the pipe can be cleaned from the bell mouth to the spigot.
The guide rail 2 is inclined upwards from the pipe spigot position to the pipe socket position, the inclination angle range is 5-15 degrees, and water at the pipe socket position can automatically flow to the ground from the spigot direction after cleaning.
The cleaning chamber ground 1 is V-shaped, the heights of two sides are larger than the middle height, and the central groove inclines to the sedimentation tank 10, so that cleaning water can automatically flow into the sedimentation tank 10.
The limiting device comprises a mechanical limiter 14 arranged in the direction of the pipe socket and a laser range finder 15 arranged in the direction of the pipe socket; in the advancing process of the pipe transporting vehicle 3, the distance between the pipe transporting vehicle 3 and the head of the pipe transporting vehicle 3 is measured through a laser range finder 15, and a control signal is fed back after the pipe transporting vehicle 3 reaches a set position so as to stop the pipe transporting vehicle 3; the tail of the pipe carrier 3 is stopped when touching the mechanical limiter 14 in the reversing process.
The motor of the pipe transporting vehicle 3, the motor of the carrier roller 4, the first electromagnetic valve 13, the second electromagnetic valve 12, the laser range finder 15 and the pneumatic valve are all connected to the PLC.
A method of cleaning a pipe coating comprising the steps of:
s1, a pipe transporting vehicle 3 advances, and a carrier roller 4 rotates to drive a pipe to rotate;
s2, when the laser range finder 15 detects that the locomotive distance is L1, the PLC controller starts the pneumatic valve and the first electromagnetic valve 13 to flush the outer wall of the pipeline;
s3, when the laser range finder 15 detects that the locomotive distance is L2, the PLC controller starts the second electromagnetic valve 12 to flush the inner wall of the pipeline;
s4, when the laser range finder 15 detects that the headstock distance is 0, the PLC controller controls the pipe transporting vehicle 3 to back up;
s5, when the laser range finder 15 detects that the locomotive distance is L2, the PLC controller closes the second electromagnetic valve 12 and only cleans the outer wall of the pipeline;
s6, when the laser range finder 15 detects that the distance between the head and the tube is L1, the PLC controller closes the pneumatic valve and the first electromagnetic valve 13, the carrier roller 4 stops, and the flushing of the tube is completed;
s7, the PLC controls the pipe transporting vehicle 3 to retreat until the tail of the pipe transporting vehicle touches the mechanical limiter 14 to stop.
The distance from the first high-pressure spray gun 6 to the laser distance meter 15 is L1, the distance from the second high-pressure spray gun 11 to the laser distance meter 15 is L2, and because the first high-pressure spray gun 6 is far from the laser distance meter 15 than the second high-pressure spray gun 11, L1 is larger than L2, and L1-L2 are the distances from the first high-pressure spray gun 6 to the second high-pressure spray gun 11.
In summary, the invention improves the automation level and simultaneously realizes the thorough cleaning of the paint on the outer wall and the inner wall of the pipe.

Claims (6)

1. An automatic cleaning system for pipe coating, which is characterized in that: the device comprises a cleaning room ground (1), a guide rail (2) fixed on the cleaning room ground (1), a pipe transporting vehicle (3) arranged on the guide rail (2), a limiting device for limiting the pipe transporting vehicle (3), a first high-pressure spray gun (6) fixed on a fixing frame (8) for cleaning the outer wall of a pipe, a second high-pressure spray gun (11) fixed on a supporting rod (7) for cleaning the inner wall of the pipe, a sedimentation tank (10) for recycling sewage and a PLC (programmable logic controller) for controlling;
the pipe transporting vehicle (3) comprises a plurality of carrier rollers (4) arranged at the vehicle body and baffle wheels (5) arranged at the bell mouth of the vehicle head pipe;
a filter screen (9) is arranged at the inlet of the sedimentation tank (10);
the water pipe of the first high-pressure spray gun (6) and the water pipe of the second high-pressure spray gun (11) are respectively communicated with a filter, a pneumatic valve and a high-pressure pump which are sequentially connected through a first electromagnetic valve (13) and a second electromagnetic valve (12);
the limiting device comprises a mechanical limiter (14) arranged in the direction of the pipe socket and a laser range finder (15) arranged in the direction of the pipe socket;
the cleaning method of the automatic cleaning system for the pipe coating comprises the following steps:
s1, a pipe transporting vehicle (3) advances, and a carrier roller (4) rotates to drive a pipe to rotate;
s2, when the laser range finder (15) detects that the distance between the vehicle head and the vehicle body is L1, starting a pneumatic valve and a first electromagnetic valve (13) to flush the outer wall of the pipe;
s3, when the laser range finder (15) detects that the distance between the vehicle head and the vehicle body is L2, a second electromagnetic valve (12) is started to flush the inner wall of the pipe;
s4, when the laser range finder (15) detects that the headstock distance is 0, the pipe transporting vehicle (3) backs up;
s5, when the laser range finder (15) detects that the distance between the vehicle head and the vehicle body is L2, the second electromagnetic valve (12) is closed, and only the outer wall of the pipe is cleaned;
s6, when the laser range finder (15) detects that the distance between the head and the vehicle is L1, the pneumatic valve and the first electromagnetic valve (13) are closed, the carrier roller (4) is stopped, and the flushing of the pipe is completed;
s7, the pipe transporting vehicle (3) retreats until the tail of the vehicle touches the mechanical limiter (14) to stop.
2. An automatic pipe dope cleaning system according to claim 1, wherein: the first high-pressure spray gun (6) is provided with a plurality of water spraying ports with different water spraying directions.
3. An automatic pipe dope cleaning system according to claim 1, wherein: the second high-pressure spray gun (11) and the horizontally arranged support rod (7) form a preset included angle, and the range of the preset included angle is 15-45 degrees.
4. An automatic pipe dope cleaning system according to claim 1, wherein: the filter screen (9) is divided into three sections, and the diameters of the filter screen are sequentially reduced from outside to inside.
5. An automatic pipe dope cleaning system according to claim 1, wherein: the cleaning chamber ground (1) is V-shaped, the heights of two sides are larger than the middle height, and the central groove is inclined to the sedimentation tank (10).
6. An automatic pipe dope cleaning system according to claim 1, wherein: the guide rail (2) is inclined upwards from the pipe socket position to the pipe spigot position, and the inclination angle ranges from 5 degrees to 15 degrees.
CN202211198614.6A 2022-09-29 2022-09-29 Automatic cleaning system and cleaning method for pipe coating Active CN115446042B (en)

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Application Number Priority Date Filing Date Title
CN202211198614.6A CN115446042B (en) 2022-09-29 2022-09-29 Automatic cleaning system and cleaning method for pipe coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211198614.6A CN115446042B (en) 2022-09-29 2022-09-29 Automatic cleaning system and cleaning method for pipe coating

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CN115446042A CN115446042A (en) 2022-12-09
CN115446042B true CN115446042B (en) 2023-08-15

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04225880A (en) * 1990-12-27 1992-08-14 Ishikawajima Kensa Keisoku Kk Bellows cleaning device and its assembling method
JP2009078210A (en) * 2007-09-26 2009-04-16 Hideki Koyama Self-driving type washing-coating method and self-driving type washing-coater
CN201997512U (en) * 2011-01-19 2011-10-05 新兴铸管股份有限公司 Device for cleaning heat insulation paint from outer wall of heat molding method ductile cast iron pipe
CN103143536A (en) * 2013-03-18 2013-06-12 西南石油大学 Integrated device for cleaning inner and outer walls of drilling rod and method
CN204638657U (en) * 2015-04-21 2015-09-16 新兴铸管股份有限公司 A kind of water cleaning automaton
DE202017100814U1 (en) * 2017-02-15 2017-03-02 Hammelmann GmbH High-pressure spray gun
WO2020218661A1 (en) * 2019-04-25 2020-10-29 비씨태창산업(유) Wastewater retreatment-based apparatus for automatically cleaning heat exchanger bundle
CN112474622A (en) * 2020-11-12 2021-03-12 济南森峰科技有限公司 Laser cleaning device for cylindrical parts
CN216757541U (en) * 2022-01-06 2022-06-17 深圳市利建新材料有限公司 Environment-friendly concrete mixing tank belt cleaning device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130233350A1 (en) * 2012-03-07 2013-09-12 Michael Tomkins Method and system for removing hydrocarbon deposits from heat exchanger tube bundles

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04225880A (en) * 1990-12-27 1992-08-14 Ishikawajima Kensa Keisoku Kk Bellows cleaning device and its assembling method
JP2009078210A (en) * 2007-09-26 2009-04-16 Hideki Koyama Self-driving type washing-coating method and self-driving type washing-coater
CN201997512U (en) * 2011-01-19 2011-10-05 新兴铸管股份有限公司 Device for cleaning heat insulation paint from outer wall of heat molding method ductile cast iron pipe
CN103143536A (en) * 2013-03-18 2013-06-12 西南石油大学 Integrated device for cleaning inner and outer walls of drilling rod and method
CN204638657U (en) * 2015-04-21 2015-09-16 新兴铸管股份有限公司 A kind of water cleaning automaton
DE202017100814U1 (en) * 2017-02-15 2017-03-02 Hammelmann GmbH High-pressure spray gun
WO2020218661A1 (en) * 2019-04-25 2020-10-29 비씨태창산업(유) Wastewater retreatment-based apparatus for automatically cleaning heat exchanger bundle
CN112474622A (en) * 2020-11-12 2021-03-12 济南森峰科技有限公司 Laser cleaning device for cylindrical parts
CN216757541U (en) * 2022-01-06 2022-06-17 深圳市利建新材料有限公司 Environment-friendly concrete mixing tank belt cleaning device

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