CN101518773B - Method and device for clearing rust-dirt and performing anticorrosion coating on metal pipelines - Google Patents
Method and device for clearing rust-dirt and performing anticorrosion coating on metal pipelines Download PDFInfo
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- CN101518773B CN101518773B CN2009100108227A CN200910010822A CN101518773B CN 101518773 B CN101518773 B CN 101518773B CN 2009100108227 A CN2009100108227 A CN 2009100108227A CN 200910010822 A CN200910010822 A CN 200910010822A CN 101518773 B CN101518773 B CN 101518773B
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Abstract
The invention provides a method and a device for clearing rust-dirt and performing anticorrosion coating on metal pipelines. The method is characterized in that a soft-body pipeline clearing device isarranged in the ends of a pipeline; a soft-body plugging device is pushed to move by compressing air so as to push pasty sewage and a large amount of accumulated water poor in adhesion out of the pip eline; natural sand or red steel sand is blown into the pipeline by compressing the air so as to remove strong-adhesion hard rust dirt; a reinforced soft-body plastic dryer is pushed to move by compressing the air so as to dry the pipeline in cooperation with compressed-air exhaust; tangential wind and straight wind of the compressed air are blown into the pipeline, and an air gate of a fluid-state interference unit is opened; anticorrosive paint is carried by airflow to enter the fluid-state interference unit; the paint is sprayed in the fluid-state interference unit; the wall of the pipelineis evenly coated with the paint in a laminar-flow fluid state; and the paint is blown and cured. The invention has the advantages of realizing good rust-dirt clearing effects without replacing the pi peline with new pipelines in the whole course, realizing nontoxic anticorrosive coating, uniform thickness, smooth surface and good quality, prolonging the service lifespan of old pipelines, solving the problem of secondary rusting, saving a large quantity of funds, improving pipeline channels and solving the problem of the long-term poor water quality of old water-supply pipelines.
Description
Technical field
The invention belongs to a kind of metallic conduit method for anticorrosion treatment, the rust cleaning of particularly a kind of metallic conduit is removed contamination, anticorrosion coating method and equipment thereof.
Background technology
The running water metallic conduit uses through long-time, and the inwall rust is dirty serious, and long-term accumulation reduces internal diameter, obviously influences flow and causes deteriorating water quality, and very the person has leak source to occur.At present, more effective way is exactly more to renew pipeline, though do like this and can deal with problems, but quantities is very big, and long construction period influences user's normal life water, especially may cause building surface to destroy to the user of finishing, the user be reluctant to accept and be expensive bigger.The metal tube that changes can only be scrapped, and causes very big waste.For the user of special use, can adopt the method for Chemical cleaning, but the corrosion of the pollution of the environment that causes and inside pipe wall is equally also very important, and the once more corrosion problem of engineering after finishing can't solve.
Summary of the invention
The objective of the invention is fundamentally to overcome above-mentioned disadvantage, provide that the rust cleaning of a kind of metallic conduit is removed contamination, anticorrosion coating method and equipment thereof, realize not needing whole process more to renew pipeline, can grow little leak source reparation construction of distance, rust cleaning is removed contamination and anticorrosion coating to inner wall of metal tube, realize the non-toxic anticorrosion plated film, it is effective that technology is easy, rust cleaning is removed contamination, and anti-corrosive film coating thickness is even, the surface smoothing quality is good.The service life of the old pipeline of significant prolongation, and effectively solved the difficult problem of secondary corrosion, save substantial contribution, improve pipeline and stimulate the menstrual flow, solve the long water quality inferiority problem of old water supply line.Never cause building surface to destroy to fitting up intact user, be easy to accept into the user.
The objective of the invention is to be achieved through the following technical solutions:
At first at the pending pipe end software wiper of packing into, compressed air is squeezed into pipeline after voltage stabilizing, promotes software plugging device high-speed motion, the pulpous state water dirt that adhesive force is relatively poor, and a large amount of ponding are released pipelines;
Be blown into natural sand or red steel sand by compressed air then in pipeline, make different quality, the abrasive sand of friction speed mixes mutually, collides and fully contacts with tube wall, produces enough cutting force, and adhesive force is stronger, than hard rust dirt;
Pack at pipe end and to strengthen software plastics drier, promote to strengthen the motion of software plastics drier, cooperate the compressed air air draft that pipeline is carried out drying processing by compressed air;
Be blown into compressed-air actuated tangent line wind and straight wind again in pipeline, open the air lock door of fluidised form interference unit simultaneously, carry anticorrosive paint by air-flow and enter the fluidised form interference unit, the coating that sprays in the fluidised form interference unit makes coating be close to the tube wall motion; The high energy pulse pneumatic that penetrates is eliminated in effect through buffer and rectifier from the fluidised form interference unit, make it under laminar flow state, and coating is coated on the tube wall uniformly;
Blowing is at last solidified.
The software wiper that above-mentioned this method is used is the circular closeouts that is formed as polyurethane foam by two ends, and the centre is that the abrasive material of natural sand or red steel sand constitutes.
The software plastics drier that above-mentioned this method is used is to be the rubber part by two ends, and the centre is that plastic foam constitutes.
The rectifier that above-mentioned this method is used is that the cross cowling panel is set in pipe.
Advantage of the present invention is: 1, realize not needing whole process more to renew pipeline, can grow little leak source reparation construction of distance.2, inner wall of metal tube rust cleaning is removed contamination effective, realize the non-toxic anticorrosion plated film, thickness of coating evenly, the surface smoothing quality is good.3, easy, the easy enforcement of technology is convenient to promote.4, the service life of the old pipeline of significant prolongation, and effectively solved the difficult problem of secondary corrosion, save substantial contribution, improve pipeline and stimulate the menstrual flow, solve the long water quality inferiority problem of old water supply line.5, never cause building surface to destroy to fitting up intact user, be easy to accept into the user.6, particularly suitable of the present invention and tap water pipeline and heating pipeline.The pigging distance reaches 5Km-10Km.
Description of drawings
Fig. 1 is a workflow schematic diagram of the present invention.
Fig. 2 is a rust cleaning workflow schematic diagram.
Fig. 3 is a plated film workflow schematic diagram.
Fig. 4 is a software wiper schematic diagram.
Fig. 5 is a software plastics drier schematic diagram.
Fig. 6 is the buffer schematic diagram.
Fig. 7 is a fluidised form interference unit schematic diagram.
Fig. 8 is the rectifier schematic diagram.
The specific embodiment
See Fig. 1-8, the equipment that method provided by the invention is used is as follows:
Comprise air compressor machine, air accumulator voltage-stablizer, software wiper, software plastics drier, buffer, rectifier, fluidised form interference unit etc., wherein air compressor machine, air accumulator voltage-stablizer, buffer adopt prior art.See Fig. 4, software wiper provided by the invention is to be the circular closeouts 2 that polyurethane foam forms by two ends, and the centre is that the abrasive material 1 of natural sand or red steel sand constitutes.See Fig. 5, software plastics drier is to be rubber part 4 by two ends, middlely is plastic foam formation 3.See Fig. 8, rectifier 9 is that the cross cowling panel is set in pipe.The fluidised form interference unit is the vertical direction connecting branch 7 at axial flow body 8, and air valve 6 is set on the arm 7.Fig. 6 illustrates the shape of buffer 5.，
Method provided by the invention is as follows:
Metallic conduit rust cleaning: see Fig. 1,2, at first the software wiper with closeouts 2 and grains of sand abrasive material 1 composition enters pending pipe end, the compressed air of air compressor machine output is squeezed into pipeline after the voltage stabilizing of air accumulator voltage-stablizer, promote the software wiper and make high-speed motion, the pulpous state water dirt that the software wiper is relatively poor with adhesive force, a large amount of ponding are released pipeline.
Then, in pipeline, be blown into natural sand or red steel sand abrasive material by compressed air.Under the turbulent flow fluidised form, produce vortex, since the no regularity of sand grains motion, the sand grains of different quality, the sand grains of friction speed mixes mutually, and collision fully contacts with the pipe wall, produces cutting force, can adhesive force is stronger, than hard rust dirt.
The dry processing: after rust cleaning finishes, pack at pipe end and to strengthen software plastics drier, promote to strengthen the motion of software plastics drier, cooperate the compressed air air draft that pipeline is carried out drying processing by compressed air;
The plated film of anti-corrosion material: see Fig. 1,3, in pipeline, be blown into the straight wind of compressed air and be blown into compressed-air actuated tangent line wind (as shown in Figure 7) from tangential inlet 9, open the air lock door 6 of fluidised form interference unit simultaneously, carry anticorrosive paint by air-flow and enter the fluidised form interference unit, in the fluidised form interference unit, the coating that sprays is because the forcibly changing of fluidised form, enters the generation high speed cyclone in the mode of tangent line, because action of centrifugal force coating is close to the tube wall motion; The high energy pulse pneumatic that penetrates is eliminated in effect through buffer and rectifier from the fluidised form interference unit, make it under laminar flow state, and coating is coated on the tube wall uniformly; The thickness of plated film is realized the coating effects of expection by the number of times decision of work.
At last, feed the air of certain flow rate, solidify dry getting final product.
Claims (4)
- Metallic conduit rust cleaning remove contamination, anticorrosion coating method, it is characterized in that:At first at the pending pipe end software wiper of packing into, compressed air is squeezed into pipeline after voltage stabilizing, promotes software wiper high-speed motion, the pulpous state water dirt that adhesive force is relatively poor, and a large amount of ponding are released pipelines;Be blown into natural sand or red steel sand by compressed air then in pipeline, make different quality, the abrasive sand of friction speed mixes mutually, collides and fully contacts with tube wall, produces enough cutting force, and adhesive force is stronger, than hard rust dirt;Pack at pipe end and to strengthen software plastics drier, described reinforcement software plastics drier is to be the rubber sheet by two ends, middle for plastic foam constitutes, promote to strengthen the motion of software plastics drier by compressed air, cooperate the compressed air air draft that pipeline is carried out drying and handle;In pipeline, be blown into compressed-air actuated tangent line wind and straight wind again, open the air lock door of fluidised form interference unit simultaneously, carry anticorrosive paint by air-flow and enter the fluidised form interference unit, the coating that sprays in the fluidised form interference unit is because the forcibly changing of fluidised form and air lock door, straight wind action make coating be close to the tube wall motion; Eliminate the high energy pulse pneumatic that penetrates through the effect of breeze way and rectifier from the fluidised form interference unit, make it the rectilinear motion that always keeps stable, promptly under laminar flow state, it is stable that the boundary layer keeps, and coating is coated on the tube wall uniformly;Blowing is at last solidified.
- 2. the equipment that a metallic conduit as claimed in claim 1 rust cleaning is removed contamination, anticorrosion coating method uses, comprise air compressor machine, air accumulator voltage-stablizer, software wiper, software plastics drier, buffer, rectifier and fluidised form interference unit, it is characterized in that: the software wiper is to be the circular closeouts that polyurethane foam forms by two ends, and the centre is that the abrasive material of natural sand or red steel sand constitutes.
- 3. the equipment that a metallic conduit as claimed in claim 1 rust cleaning is removed contamination, anticorrosion coating method uses, comprise air compressor machine, air accumulator voltage-stablizer, software wiper, software plastics drier, buffer, rectifier and fluidised form interference unit, it is characterized in that: software plastics drier is to be the rubber sheet by two ends, middlely is the plastic foam formation.
- 4. the equipment that a metallic conduit as claimed in claim 1 rust cleaning is removed contamination, anticorrosion coating method uses, comprise air compressor machine, air accumulator voltage-stablizer, software wiper, software plastics drier, buffer, rectifier and fluidised form interference unit, it is characterized in that: rectifier is that the cross cowling panel is set in pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100108227A CN101518773B (en) | 2009-03-24 | 2009-03-24 | Method and device for clearing rust-dirt and performing anticorrosion coating on metal pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100108227A CN101518773B (en) | 2009-03-24 | 2009-03-24 | Method and device for clearing rust-dirt and performing anticorrosion coating on metal pipelines |
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| Publication Number | Publication Date |
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| CN101518773A CN101518773A (en) | 2009-09-02 |
| CN101518773B true CN101518773B (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100108227A Expired - Fee Related CN101518773B (en) | 2009-03-24 | 2009-03-24 | Method and device for clearing rust-dirt and performing anticorrosion coating on metal pipelines |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172572B (en) * | 2011-03-16 | 2013-01-09 | 中国石油化工股份有限公司 | Inner wall washing and coating corrosion resisting method for manifold pipelines in oil fields |
| CN102990319A (en) * | 2011-09-08 | 2013-03-27 | 胜利油田胜利石油化工建设有限责任公司 | Corrosion control method of welding bead and melting loss portion |
| CN103060830B (en) * | 2013-02-01 | 2015-09-09 | 山东泰丰清洗科技有限公司 | The antibacterial technique of Oilfield Water Injection Pipelines cleaning coating |
| CN103680908B (en) * | 2013-09-30 | 2016-03-30 | 广东冠能电力科技发展有限公司 | The process for protecting in the little space of dry-type air-core reactor air flue inner surface |
| CN104307822B (en) * | 2014-08-19 | 2016-04-13 | 中国化学工程第三建设有限公司 | A kind of pollution-free high-efficient long-distance pipe installs cleaning method |
| CN106475913A (en) * | 2016-04-13 | 2017-03-08 | 吉林省天德立管道工程科技有限公司 | The rust cleaning of swirling eddy method inner-walls of duct snaking, coating antiseptic technology |
| CN107377341A (en) * | 2017-09-05 | 2017-11-24 | 刘春晓 | A kind of brushing technique of long and thin metal tubing inside coating |
| CN109772650A (en) * | 2019-01-30 | 2019-05-21 | 国网四川省电力公司检修公司 | A kind of reactor air duct inner wall coating method and its coating equipment |
| CN112439648A (en) * | 2019-08-28 | 2021-03-05 | 北京金风科创风电设备有限公司 | Method for repairing plate-fin radiator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86209644U (en) * | 1986-12-02 | 1987-12-05 | 张世文 | New flexible hollow pipe-cleaner |
| CN1320487A (en) * | 2000-04-21 | 2001-11-07 | 王筱均 | High-pressure gas method for descaling pipeline and protecting pipeline wall |
| CN1654135A (en) * | 2005-02-28 | 2005-08-17 | 王筱均 | Method of rust cleaning, scale removing, film coating and corrosion preventing for large and middle sized pipeline inside wall |
| CN101333661A (en) * | 2008-07-25 | 2008-12-31 | 辽河石油勘探局 | Process for spraying anticorrosive coating of epoxy powder on steel pipe |
-
2009
- 2009-03-24 CN CN2009100108227A patent/CN101518773B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86209644U (en) * | 1986-12-02 | 1987-12-05 | 张世文 | New flexible hollow pipe-cleaner |
| CN1320487A (en) * | 2000-04-21 | 2001-11-07 | 王筱均 | High-pressure gas method for descaling pipeline and protecting pipeline wall |
| CN1654135A (en) * | 2005-02-28 | 2005-08-17 | 王筱均 | Method of rust cleaning, scale removing, film coating and corrosion preventing for large and middle sized pipeline inside wall |
| CN101333661A (en) * | 2008-07-25 | 2008-12-31 | 辽河石油勘探局 | Process for spraying anticorrosive coating of epoxy powder on steel pipe |
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| CN101518773A (en) | 2009-09-02 |
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Granted publication date: 20110615 Termination date: 20210324 |