CN103170445A - One-step shaping technology for coating epoxy powder on inner wall and outer wall of steel pipe - Google Patents
One-step shaping technology for coating epoxy powder on inner wall and outer wall of steel pipe Download PDFInfo
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- CN103170445A CN103170445A CN2013100577156A CN201310057715A CN103170445A CN 103170445 A CN103170445 A CN 103170445A CN 2013100577156 A CN2013100577156 A CN 2013100577156A CN 201310057715 A CN201310057715 A CN 201310057715A CN 103170445 A CN103170445 A CN 103170445A
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Abstract
The invention relates to a one-step shaping technology for coating epoxy powder on the inner wall and the outer wall of a steel pipe. The one-step shaping technology for coating the epoxy powder on the inner wall and the outer wall of the steel pipe is characterized in that epoxy powder spraying of the inner wall of the steel pipe and epoxy powder spraying of the outer wall of the steel pipe are carried out simultaneously in one production line; the production line comprises an internal movable epoxy powder spraying trolley, an internal epoxy powder spraying rod, a support rail trolley, a spray nozzle, a spiral conveyer roller path, pipe delivering trolleys, the steel pipe, a medium frequency heating coil and an external epoxy powder spraying chamber; the external epoxy powder spraying chamber is arranged in the middle of the production line, the medium frequency heating coil is arranged on one side of the internal epoxy powder spraying rod nearby the external epoxy powder spraying chamber, and the medium frequency heating coil can be used for finishing heating of the inner wall and the outer wall of the steel pipe at the same time; and the epoxy powder spraying of the inner wall of the steel pipe and the epoxy powder spraying of the outer wall of the steel pipe are finished at the same time in the production line. The one-step shaping technology for coating the epoxy powder on the inner wall and the outer wall of the steel pipe has the advantages that the technological layout is compact, the spraying of the inner wall of the steel pipe and the spraying of the outer wall of the steel pipe can be finished at the same time, the occupied area is small, work efficiency is high, energy is saved, and the one-step shaping technology for coating the epoxy powder on the inner wall and the outer wall of the steel pipe is suitable for anti-corrosion coating treatment on inner walls and outer walls of steel pipes with various diameters.
Description
Technical field
The present invention relates to a kind of steel pipe inside and outside wall epoxy powder coating one-shot forming technique.
Background technology
Due to the important function of steel pipe in pipeline is carried, the inside and outside wall that solves steel pipe is anticorrosion very important.In prior art, the inside and outside wall preservative treatment of steel pipe is all separately carried out, complex process, and floor space is large.
Summary of the invention
The purpose of this invention is to provide a kind of steel pipe inside and outside wall epoxy powder coating one-shot forming technique, process layout is compact, and is simple and reliable for structure, can complete simultaneously inwall, the outer wall spraying of steel pipe, take up an area less high efficiency, save the energy, be applicable to various bore inside and outside wall corrosion-inhibiting coatings and process.
For achieving the above object, the present invention is achieved through the following technical solutions:
Steel pipe inside and outside wall epoxy powder coating one-shot forming technique, the spraying of steel pipe inner wall epoxy powder and outer wall epoxy powder are sprayed on a production line and carry out simultaneously, this production line comprises that interior epoxy moves spraying vehicle, interior epoxy spraying rod, supporting track dolly, shower nozzle, helical feed roller-way, fortune pipe dolly, hydraulic pressure landing support, steel pipe, medium-frequency heating coil, the spray of outer epoxy powder room, interior epoxy spraying rod one end moves spraying vehicle with interior epoxy and is fixedly connected with, and the interior epoxy spraying rod other end is provided with shower nozzle; Interior epoxy spraying rod moves spraying vehicle by interior epoxy and the supporting track dolly supports, interior epoxy moves spraying vehicle and the supporting track dolly moves in orbit, outer epoxy powder spray room is arranged in the middle part of production line, near the room of epoxy powder spray outside interior epoxy spraying rod one side is provided with medium-frequency heating coil, and this medium-frequency heating coil completes steel pipe inner wall and outer wall heats simultaneously; Steel pipe is completed the epoxy powder spraying of inwall and outer wall simultaneously on this production line; Technical process is:
1) steel pipe after impeller blasting is qualified is transported on the helical feed roller-way by fortune pipe dolly;
2) near interior epoxy spraying rod one side the room of epoxy powder spray outside is provided with medium-frequency heating coil, and this medium-frequency heating coil completes steel pipe inner wall and outer wall heats simultaneously;
3) start the helical feed roller-way, make steel pipe one side arrive at medium-frequency heating coil; In starting, epoxy moves spraying vehicle and supporting track dolly, makes interior epoxy spraying rod and shower nozzle go deep into steel pipe and enters when steel duct is delivered to outer epoxy powder spray room via steel duct and stop;
4) move spraying vehicle and supporting track dolly by adjusting interior epoxy, in adjusting, the center line of epoxy spraying rod overlaps with the center line of steel pipe;
5) start the helical feed roller-way make steel pipe forward spiral move, open medium-frequency heating coil, when steel pipe arrived outer epoxy powder spray room, pipe inner-wall spraying and outer wall of steel pipe sprayed and carry out simultaneously; Along with the spiral of steel pipe advances, namely completed simultaneously the spraying of steel pipe inner wall, outer wall;
6) after steel pipe is completed the spraying of inside and outside wall, transport by going out to manage stand after cooling;
7) sagging for preventing interior epoxy powder spraying rod, be provided with a plurality of right-angle type supports at the helical feed roller-way along helical feed roller-way center line bottom even, after epoxy powder spraying rod in the steel pipe disengaging, epoxy powder spraying rod in the right-angle type support is namely holded up and supported makes spraying rod keep original height; After spraying was completed, when interior epoxy moved spraying vehicle and retreats with spraying rod, the right-angle type support is landing automatically one by one, made spraying rod keep original height and realize accessible retreating;
When 8) interior epoxy moves spraying vehicle and returns to original position, namely completed once spraying circulation, after returning original position, waited for the spraying of next root steel pipe, so looped.
Compared with prior art, the invention has the beneficial effects as follows:
This process layout is compact, can complete simultaneously inwall, the outer wall spraying of steel pipe on a production line, takes up an area less, and high efficiency is saved the energy, compact in design, and floor space is little; Being applicable to various bore inside and outside wall corrosion-inhibiting coatings processes.
Description of drawings
Fig. 1 is the floor plan of steel pipe inside and outside wall epoxy powder coating one-shot forming technique.
Fig. 2-Fig. 5 is that steel pipe inside and outside wall epoxy powder coating one-shot forming production line is at the structure chart of each working stage.
Fig. 6 does not support the structure chart of spraying rod state when being right-angle type support horizontal positioned.
Fig. 7 is that the right-angle type support supports the structure chart of spraying rod state when vertically placing.
In figure: in 1-, epoxy moves the interior epoxy powder spraying rod 3-supporting track dolly 4-shower nozzle 5-helical feed roller-way 6-of spraying vehicle 2-and transports the interior epoxy powder spray gun of epoxy dust gun 12-outside the outer epoxy powder spray of pipe dolly 7-right-angle type support 8-steel pipe 9-medium-frequency heating coil 10-room 11-
The specific embodiment
Be described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Steel pipe inside and outside wall epoxy powder coating one-shot forming technique, the spraying of inwall epoxy powder and outer wall epoxy powder are sprayed on a production line and carry out simultaneously, this production line comprises that interior epoxy moves spraying vehicle 1, interior epoxy spraying rod 2, supporting track dolly 3, shower nozzle 4, helical feed roller-way 5, fortune pipe dolly 6, right-angle type support 7, steel pipe 8, medium-frequency heating coil 9, the spray of outer epoxy powder room 10, interior epoxy spraying rod 2 one ends move spraying vehicle 1 with interior epoxy and are fixedly connected with, and interior epoxy spraying rod 2 other ends are provided with shower nozzle 4; Interior epoxy spraying rod 2 moves spraying vehicle 1 by interior epoxy and supporting track dolly 3 supports, interior epoxy moves spraying vehicle 1 and supporting track dolly 3 moves in orbit, outer epoxy powder spray room 10 is arranged in the middle part of production line, near the room of epoxy powder spray outside 10 interior epoxy spraying rod 2 one sides are provided with medium-frequency heating coil 9, and this medium-frequency heating coil 9 completes steel pipe inner wall and outer wall heats simultaneously; Steel pipe is completed the epoxy powder spraying of inwall and outer wall simultaneously on this production line.
Steel pipe inside and outside wall epoxy powder coating one-shot forming technique, its technical process is:
1) steel pipe after impeller blasting is qualified 8 is transported on helical feed roller-way 5 by fortune pipe dolly 6;
2) near interior epoxy spraying rod 2 one sides the room of epoxy powder spray outside 10 are provided with medium-frequency heating coil 9, and this medium-frequency heating coil 9 completes steel pipe inner wall and outer wall heats simultaneously;
3) start helical feed roller-way 5, make steel pipe 8 one sides arrive at medium-frequency heating coil 9; In starting, epoxy moves spraying vehicle 1 and supporting track dolly 3, interior epoxy spraying rod 2 and shower nozzle 4 is entered when outer epoxy powder spray room 10 is delivered to via steel duct in steel pipe 8 inside stop;
4) move spraying vehicle 1 and supporting track dolly 3 by adjusting interior epoxy, in adjusting, the center line of epoxy spraying rod 2 overlaps with the center line of steel pipe 8;
5) start helical feed roller-way 5 make steel pipe forward spiral move, open medium-frequency heating coil 9, when steel pipe arrived outer epoxy powder spray room 10, pipe inner-wall spraying and outer wall of steel pipe sprayed and carry out simultaneously; Along with the spiral of steel pipe advances, namely completed simultaneously the spraying of steel pipe inner wall, outer wall;
6) after steel pipe is completed the spraying of inside and outside wall, transport by going out to manage stand after cooling;
7) sagging for preventing interior epoxy powder spraying rod 2, be provided with a plurality of right-angle type supports 7 at helical feed roller-way 5 along helical feed roller-way center line bottom even, after epoxy powder spraying rod 2 in steel pipe 8 disengagings, right-angle type support 7 is namely holded up and is supported interior epoxy powder spraying rod 7(erected state as shown in Figure 7), make spraying rod keep original height; After spraying was completed, when interior epoxy moved spraying vehicle 1 and retreats with spraying rod 7, right-angle type support 7 is landing (horizontal positioned state as shown in Figure 6) automatically one by one, made spraying rod keep original height and realize accessible retreating;
When 8) interior epoxy moves spraying vehicle and returns to original position, namely completed once spraying circulation, after returning original position, waited for the spraying of next root steel pipe, so looped.
Claims (1)
1. steel pipe inside and outside wall epoxy powder applies one-shot forming technique, it is characterized in that, the spraying of steel pipe inner wall epoxy powder and outer wall epoxy powder are sprayed on a production line and carry out simultaneously, this production line comprises that interior epoxy moves spraying vehicle, interior epoxy spraying rod, supporting track dolly, shower nozzle, helical feed roller-way, fortune pipe dolly, interior spraying rod support, steel pipe, medium-frequency heating coil, the spray of outer epoxy powder room, interior epoxy spraying rod one end moves spraying vehicle with interior epoxy and is fixedly connected with, and the interior epoxy spraying rod other end is provided with shower nozzle; Interior epoxy spraying rod moves spraying vehicle by interior epoxy and the supporting track dolly supports, interior epoxy moves spraying vehicle and the supporting track dolly moves in orbit, outer epoxy powder spray room is arranged in the middle part of production line, near the room of epoxy powder spray outside interior epoxy spraying rod one side is provided with medium-frequency heating coil, and this medium-frequency heating coil completes steel pipe inner wall and outer wall heats simultaneously; Steel pipe is completed the epoxy powder spraying of inwall and outer wall simultaneously on this production line; Technical process is:
1) steel pipe after impeller blasting is qualified is transported on the helical feed roller-way by fortune pipe dolly;
2) near interior epoxy spraying rod one side the room of epoxy powder spray outside is provided with medium-frequency heating coil, and this medium-frequency heating coil completes steel pipe inner wall and outer wall heats simultaneously;
3) start the helical feed roller-way, make steel pipe one side arrive at medium-frequency heating coil; In starting, epoxy moves spraying vehicle and supporting track dolly, stops when making interior epoxy spraying rod and shower nozzle deliver to outer epoxy powder spray room via steel duct;
4) move spraying vehicle and supporting track dolly by adjusting interior epoxy, in adjusting, the center line of epoxy spraying rod overlaps with the center line of steel pipe;
5) start the helical feed roller-way make steel pipe forward spiral move, open medium-frequency heating coil, when steel pipe arrived outer epoxy powder spray room, pipe inner-wall spraying and outer wall of steel pipe sprayed and carry out simultaneously; Along with the spiral of steel pipe advances, namely completed simultaneously the spraying of steel pipe inner wall, outer wall;
6) after steel pipe is completed the spraying of inside and outside wall, transport by going out to manage stand after cooling;
7) sagging for preventing interior epoxy powder spraying rod, be provided with a plurality of right-angle type supports at the helical feed roller-way along helical feed roller-way center line bottom even, after epoxy powder spraying rod in the steel pipe disengaging, epoxy powder spraying rod in the right-angle type support is namely holded up and supported makes spraying rod keep original height; After spraying was completed, when interior epoxy moved spraying vehicle and retreats with spraying rod, the right-angle type support is landing automatically one by one, made spraying rod keep original height and realize accessible retreating;
When 8) interior epoxy moves spraying vehicle and returns to original position, namely completed once spraying circulation, after returning original position, waited for the spraying of next root steel pipe, so looped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100577156A CN103170445A (en) | 2013-02-22 | 2013-02-22 | One-step shaping technology for coating epoxy powder on inner wall and outer wall of steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100577156A CN103170445A (en) | 2013-02-22 | 2013-02-22 | One-step shaping technology for coating epoxy powder on inner wall and outer wall of steel pipe |
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| CN103170445A true CN103170445A (en) | 2013-06-26 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234062A (en) * | 2015-10-21 | 2016-01-13 | 自贡市巨光硬面材料科技有限公司 | Connecting technology of steel pipes with anti-corrosion inner circles |
| CN105562263A (en) * | 2016-02-26 | 2016-05-11 | 安徽工业大学 | Continuous heating and spraying system of metal pipes and application method thereof |
| CN105665204A (en) * | 2016-02-03 | 2016-06-15 | 宜昌利民管业科技有限公司 | Synchronous plastic coating production device for inner wall and outer wall of steel pipe |
| CN105880094A (en) * | 2016-06-02 | 2016-08-24 | 内蒙古君诚管道科技股份有限公司 | Continuous spraying line for spraying interior and exterior of metal pipe and spraying method of continuous spraying line |
| CN105880083A (en) * | 2014-12-12 | 2016-08-24 | 蚌埠市志诚涂装设备科技有限公司 | Spraying production line for small-caliber steel tubes |
| CN105935649A (en) * | 2016-06-30 | 2016-09-14 | 苏州市永通不锈钢有限公司 | Film-coating device for inner wall of steel pipe |
| CN105950035A (en) * | 2016-06-30 | 2016-09-21 | 苏州市永通不锈钢有限公司 | Adhesion device for double-layer steel pipes |
| CN105944917A (en) * | 2016-06-30 | 2016-09-21 | 苏州博来喜电器有限公司 | Simultaneous film-laminating device for inner wall and outer wall of steel pipe |
| CN106733513A (en) * | 2017-01-24 | 2017-05-31 | 江苏肯创环境科技股份有限公司 | A kind of device for spraying powder paint and powdery paints constructing device |
| CN109865624A (en) * | 2019-04-17 | 2019-06-11 | 中国石油集团渤海石油装备制造有限公司 | Pipe inner-wall spraying device |
| CN109894340A (en) * | 2019-04-17 | 2019-06-18 | 中国石油集团渤海石油装备制造有限公司 | Inner wall of the pipe anti-corrosion spray technique |
| CN111495720A (en) * | 2019-01-25 | 2020-08-07 | 马勒国际有限公司 | Method for improving the corrosion protection of hollow shafts |
| CN115090455A (en) * | 2022-07-20 | 2022-09-23 | 山东禹王管业有限公司 | Heavy-calibre steel pipe inner wall outer wall hot melt bonding epoxy powder coating device |
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| CN201304391Y (en) * | 2008-11-24 | 2009-09-09 | 浙江华立涂装设备有限公司 | Spraying equipment for corrosion protection of inside and outside of steel pipe |
| CN101773905A (en) * | 2010-01-22 | 2010-07-14 | 孙天明 | Anticorrosion coating process and equipment for inner and outer walls of steel pipe |
| CN102513253A (en) * | 2011-12-19 | 2012-06-27 | 青岛大仓管道防腐保温器材有限公司 | Epoxy powder coating device for insides and outsides of steel tubes and process method |
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| US6811807B1 (en) * | 1999-08-10 | 2004-11-02 | Nordson Corporation | Method of applying a peel-off protective layer |
| CN201304391Y (en) * | 2008-11-24 | 2009-09-09 | 浙江华立涂装设备有限公司 | Spraying equipment for corrosion protection of inside and outside of steel pipe |
| CN101773905A (en) * | 2010-01-22 | 2010-07-14 | 孙天明 | Anticorrosion coating process and equipment for inner and outer walls of steel pipe |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880083A (en) * | 2014-12-12 | 2016-08-24 | 蚌埠市志诚涂装设备科技有限公司 | Spraying production line for small-caliber steel tubes |
| CN105234062A (en) * | 2015-10-21 | 2016-01-13 | 自贡市巨光硬面材料科技有限公司 | Connecting technology of steel pipes with anti-corrosion inner circles |
| CN105665204A (en) * | 2016-02-03 | 2016-06-15 | 宜昌利民管业科技有限公司 | Synchronous plastic coating production device for inner wall and outer wall of steel pipe |
| CN105562263B (en) * | 2016-02-26 | 2017-12-15 | 安徽工业大学 | A kind of metal tube laser heating paint finishing |
| CN105562263A (en) * | 2016-02-26 | 2016-05-11 | 安徽工业大学 | Continuous heating and spraying system of metal pipes and application method thereof |
| CN105880094A (en) * | 2016-06-02 | 2016-08-24 | 内蒙古君诚管道科技股份有限公司 | Continuous spraying line for spraying interior and exterior of metal pipe and spraying method of continuous spraying line |
| CN105950035A (en) * | 2016-06-30 | 2016-09-21 | 苏州市永通不锈钢有限公司 | Adhesion device for double-layer steel pipes |
| CN105944917A (en) * | 2016-06-30 | 2016-09-21 | 苏州博来喜电器有限公司 | Simultaneous film-laminating device for inner wall and outer wall of steel pipe |
| CN105935649A (en) * | 2016-06-30 | 2016-09-14 | 苏州市永通不锈钢有限公司 | Film-coating device for inner wall of steel pipe |
| CN106733513A (en) * | 2017-01-24 | 2017-05-31 | 江苏肯创环境科技股份有限公司 | A kind of device for spraying powder paint and powdery paints constructing device |
| CN111495720A (en) * | 2019-01-25 | 2020-08-07 | 马勒国际有限公司 | Method for improving the corrosion protection of hollow shafts |
| US11731174B2 (en) | 2019-01-25 | 2023-08-22 | Mahle International Gmbh | Method of improving a corrosion protection of a hollow shaft |
| CN109865624A (en) * | 2019-04-17 | 2019-06-11 | 中国石油集团渤海石油装备制造有限公司 | Pipe inner-wall spraying device |
| CN109894340A (en) * | 2019-04-17 | 2019-06-18 | 中国石油集团渤海石油装备制造有限公司 | Inner wall of the pipe anti-corrosion spray technique |
| CN115090455A (en) * | 2022-07-20 | 2022-09-23 | 山东禹王管业有限公司 | Heavy-calibre steel pipe inner wall outer wall hot melt bonding epoxy powder coating device |
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Application publication date: 20130626 |