CN115446042B - Automatic cleaning system and cleaning method for pipe coating - Google Patents
Automatic cleaning system and cleaning method for pipe coating Download PDFInfo
- 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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- Prior art keywords
- pipe
- cleaning
- range finder
- laser range
- wall
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- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000011248 coating agent Substances 0.000 title claims abstract description 14
- 238000000576 coating method Methods 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 38
- 238000004062 sedimentation Methods 0.000 claims abstract description 17
- 238000011010 flushing procedure Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000004064 recycling Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims 2
- 239000003973 paint Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000003137 locomotive effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- B08B9/023—Cleaning the external surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
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
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.
Priority Applications (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 |
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115446042A CN115446042A (en) | 2022-12-09 |
| CN115446042B true CN115446042B (en) | 2023-08-15 |
Family
ID=84306504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211198614.6A Active CN115446042B (en) | 2022-09-29 | 2022-09-29 | Automatic cleaning system and cleaning method for pipe coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115446042B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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)
| 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 |
-
2022
- 2022-09-29 CN CN202211198614.6A patent/CN115446042B/en active Active
Patent Citations (9)
| 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 assembly 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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| Publication number | Publication date |
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| CN115446042A (en) | 2022-12-09 |
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