CN1296143C - Electric heating type inside and outside spraying equipment and process for steel-plastic composite pipe - Google Patents
Electric heating type inside and outside spraying equipment and process for steel-plastic composite pipe Download PDFInfo
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- CN1296143C CN1296143C CNB2004100158026A CN200410015802A CN1296143C CN 1296143 C CN1296143 C CN 1296143C CN B2004100158026 A CNB2004100158026 A CN B2004100158026A CN 200410015802 A CN200410015802 A CN 200410015802A CN 1296143 C CN1296143 C CN 1296143C
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Abstract
The present invention relates to an electric heating type spraying device for the inner wall and the outer wall of a steel-plastic composite pipe, and a spraying technique thereof, which has the advantages that plastic can be sprayed on both the inner wall and the outer wall of the composite pipe simultaneously, and the coating layers are uniform, smooth, clean and sanitary. The present invention has the technical scheme that the device is provided with a worktable, and a steel pipe is supported by two pairs of rotary wheels on both ends of the longitudinal axial line of the worktable; rotary motors are connected with the rotary wheels and below the rotary wheels, two lower slide ways are arranged on each of both sides of the extension of the axial line of the steel pipe on the worktable, and the lower slide ways are provided with fluidizing barrels and inner spraying pipes, wherein the fluidizing barrels can be moved along the slide ways, the inner spraying pipes are in the same axial line with the steel pipe, and travel motors are arranged below the fluidizing barrels; upper slide ways are fixed above the steel pipe by support frames, two inverted fluidizing barrels are arranged on the upper slide ways, and outer spraying pipes are connected with lower ends of the fluidizing barrels between which another travel motor is arranged. The technique comprises the steps of derusting, heating, spraying on the inner wall and the outer wall, leveling and solidifying, cooling, testing and depositing. The present invention can be used for industries for producing water supplying and discharging pipes.
Description
Technical field
The present invention relates to a kind of electrothermal steel-plastics composite pipe spraying inside and outside equipment and spraying coating process.Be applicable to the production industry of the pipeline of water-feeding ﹠ drainaging pipeline, fire water-supply pipeline.
Background technology
The present gas-liquid delivery pipe that generally uses, especially bigbore domestic water-supply pipeline, fire water-supply pipeline mostly adopt steel pipe, and surface treatment generally is zinc-plated, and long-term the use is easy to the corrosion breakage, and zinc also can cause secondary pollution to running water; And the employing steel-plastics composite pipe can address this problem.But the manufacturing technology of steel-plastics composite pipe is very complicated, and is especially very difficult to the plastic-coated of inwall, the easy layering of the inner wall layer of often making, peel off, gage distortion, the speed of Sheng Chaning is also very slow simultaneously, is difficult to form large-scale continuous production.
Summary of the invention
The technical problem to be solved in the present invention is: the problem that exists in producing at above-described steel-plastics composite pipe, a kind of improved electrothermal steel-plastics composite pipe spraying inside and outside equipment and spraying coating process are provided, this equipment can carry out the inside and outside wall plastic-blasting simultaneously, continuously, efficiently, can carry out large-scale production; The coating wall thickness is even, bright and clean; Safety, health can not cause the pollution to water; The intensity height, long service life.
The technical solution adopted in the present invention is: electrothermal steel-plastics composite pipe spraying inside and outside equipment, contain pay-off, electrocaloric effect, levelling solidifies case, cooling frame, it is characterized in that between electrocaloric effect and levelling curing case, also being provided with inside and outside plastic-blasting device, this device has a workbench, on the longitudinal axis of workbench, hold steel pipe by each pair of turning wheels that is located at two ends, be connected to turning motor below the runner, on the workbench on the extended line both sides of steel pipe axial line, respectively be provided with two glidepaths, have on the glidepath fluidisation tube that can move along slide rail and link to each other with the fluidisation tube and be positioned at inner nozzle on the same axis with steel pipe, travel motor is housed below the fluidisation tube; Above steel pipe, be fixed with slide rail by support, inverted two fluidisation tubes are housed on it, fluidisation tube lower end is connected to outer nozzle, between the two fluidisation tubes travel motor is housed.
The electrostatic generator that links to each other with the fluidisation tube also is housed on last slide rail.
Between upper and lower slide rail and each the fluidisation tube roller is housed all.
Described turning motor and travel motor are adjustable varying-speed motor.
Inner nozzle and outer nozzle all have horn mouth.
Electrothermal steel-plastics composite pipe spraying inside and outside technology is:
1) the steel pipe rust cleaning is heated to 200～220 ℃ after pay-off enters electrocaloric effect;
2) steel pipe after will heating is placed on the runner of the rotation that is driven by turning motor, make steel pipe according to certain speed rotation, simultaneously by the translation in steel pipe of travel motor control inner nozzle from two, outer nozzle is then done left and right sides translation at last slide rail, the outer wall of spraying steel pipe, meanwhile, the powder of fluidisation tube inner suspension is being sprayed on the inside and outside wall of steel pipe through nozzle hole under the effect of high pressure, spray with PE powder (polyethylene powders) at inwall, the outer wall spray is with EP powder (epoxy powder), for preventing that outer wall EP powder from flying upward, static in addition when therefore spraying;
3) steel pipe after will spraying is inserted levelling and is solidified that levelling solidifies in the case;
4) cooling, check, stacking.
The invention has the beneficial effects as follows: use present device can be simultaneously the inside and outside wall of steel pipe to be carried out plastic-blasting, production technology continuously, efficient, be fit to carry out large-scale production; The plastic coating thickness of inside and outside wall is even, bright and clean; Inwall adopts the plastics of health level, and safety and sanitation can not cause the pollution to water; Multiple tube intensity height, low, the long service life of cost.
Description of drawings
Fig. 1 is the structure chart of side of the present invention.
Fig. 2 is that A of the present invention is to view (inside and outside plastic-blasting device part).
Fig. 3 is that the present invention overlooks direction structure figure.
The specific embodiment
As shown in the figure, present embodiment solidifies case 3, cooling frame 4 by pay-off 1, electrocaloric effect 2, levelling, and workbench 5, glidepath 6-1, last slide rail 6-2, fluidisation tube 7, electrostatic generator 8, inner nozzle 9, outer nozzle 10, turning motor 11-1, travel motor 11-2, runner 12, support 13 and steel pipe 14 are formed.
This example is provided with inside and outside plastic-blasting device between electrocaloric effect 2 and levelling curing case 3, this device has a fixing workbench 5, on the longitudinal axis of workbench, hold steel pipe 14 by each pair of turning wheels 12 of two, steel pipe is by the runner driven rotary that rubs, being equipped with below the runner provides the turning motor of power 11-1, on the workbench on the extended line both sides of steel pipe axial line, respectively be provided with two glidepath 6-1, have on the glidepath fluidisation tube 7 that can move along slide rail and link to each other with the fluidisation tube and be positioned at inner nozzle 9 on the same axis with steel pipe, travel motor 11-2 is housed, in order to drive the fluidisation tube below the fluidisation tube.Above steel pipe 14, be fixed with slide rail 6-2 by support 13, the electrostatic generator 8 that links to each other with the fluidisation tube also is housed on last slide rail 6-2.Inverted two fluidisation tubes 7 are housed on the last slide rail, and fluidisation tube lower end is equipped with between outer nozzle 10, the two fluidisation tubes and is provided with travel motor 11-2.
For the ease of moving, between upper and lower slide rail and each the fluidisation tube 7 roller can be installed.Inner nozzle 9 and outer nozzle 10 all expand horn mouth.Turning motor 11-1 and travel motor 11-2 are adjustable varying-speed motor.
Technology of the present invention is:
1) steel pipe 14 rust cleaning are heated to 200-220 ℃ after pay-off 1 enters electrocaloric effect 2;
2) steel pipe 14 after the heating is placed on the runner 12 of the rotation that is driven by turning motor 11-1, make steel pipe according to certain speed rotation, simultaneously by the translation in steel pipe of travel motor 11-2 control inner nozzle 9 from two, 10 of outer nozzles are done left and right sides translation on last slide rail 6-2, the outer wall of spraying steel pipe, meanwhile, the powder of fluidisation tube 7 inner suspensions is being sprayed on the inside and outside wall of steel pipe through nozzle hole under the effect of high pressure, spray with PE powder (polyethylene powders) at inwall, the outer wall spray is with EP powder (epoxy powder), for preventing that outer wall EP powder from flying upward, static in addition when therefore spraying;
3) steel pipe after the spraying is inserted levelling curing in the levelling curing case 3;
4) cooling, check, stacking.
Claims (6)
1. electrothermal steel-plastics composite pipe spraying inside and outside equipment, contain pay-off (1), electrocaloric effect (2), levelling solidifies case (3), cooling frame (4), it is characterized in that: between electrocaloric effect and levelling curing case, also be provided with inside and outside plastic-blasting device, this device has a workbench (5), on the longitudinal axis of workbench, hold steel pipe (14) by each pair of turning wheels (12) that is located at two ends, be connected to turning motor (11-1) below the runner, on the workbench on the extended line both sides of steel pipe axial line, respectively be provided with two glidepaths (6-1), have on the glidepath fluidisation tube (7) that can move along slide rail and link to each other with the fluidisation tube and be positioned at inner nozzle (9) on the same axis with steel pipe, travel motor (11-2) is housed below the fluidisation tube; Top in steel pipe (14) is fixed with slide rail (6-2) by support (13), and inverted two fluidisation tubes (7) are housed on it, and fluidisation tube lower end is connected to outer nozzle (10), and travel motor (11-2) is housed between the two fluidisation tubes.
2. electrothermal steel-plastics composite pipe spraying inside and outside equipment according to claim 1 is characterized in that: the electrostatic generator (8) that links to each other with the fluidisation tube also is housed on last slide rail (6-2).
3. electrothermal steel-plastics composite pipe spraying inside and outside equipment according to claim 1 and 2 is characterized in that: between upper and lower slide rail and each the fluidisation tube (7) roller is housed all.
4. electrothermal steel-plastics composite pipe spraying inside and outside equipment according to claim 1 and 2 is characterized in that: described turning motor (11-1) and travel motor (11-2) are adjustable varying-speed motor.
5. electrothermal steel-plastics composite pipe spraying inside and outside equipment according to claim 1 and 2 is characterized in that: inner nozzle (9) and outer nozzle (10) all have horn mouth.
6. electrothermal steel-plastics composite pipe spraying inside and outside technology is characterized in that:
1) steel pipe (14) rust cleaning is heated to 200～220 ℃ after pay-off (1) enters electrocaloric effect (2);
2) steel pipe (14) after will heating is placed on the runner (12) of the rotation that is driven by turning motor (11-1), make steel pipe according to certain speed rotation, simultaneously by the translation in steel pipe of travel motor (11-2) control inner nozzle (9) from two, outer nozzle is then done left and right sides translation at last slide rail (6-2), the outer wall of spraying steel pipe, meanwhile, the powder of fluidisation tube (7) inner suspension is being sprayed on the inside and outside wall of steel pipe through nozzle hole under the effect of high pressure, spray with PE powder (polyethylene powders) at inwall, the outer wall spray is with EP powder (epoxy powder), for preventing that outer wall EP powder from flying upward, static in addition when therefore spraying;
3) steel pipe after will spraying is inserted levelling and is solidified that levelling solidifies in the case (3);
4) cooling, check, stacking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100158026A CN1296143C (en) | 2004-01-13 | 2004-01-13 | Electric heating type inside and outside spraying equipment and process for steel-plastic composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100158026A CN1296143C (en) | 2004-01-13 | 2004-01-13 | Electric heating type inside and outside spraying equipment and process for steel-plastic composite pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1557565A CN1557565A (en) | 2004-12-29 |
| CN1296143C true CN1296143C (en) | 2007-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100158026A Expired - Fee Related CN1296143C (en) | 2004-01-13 | 2004-01-13 | Electric heating type inside and outside spraying equipment and process for steel-plastic composite pipe |
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| Country | Link |
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| CN (1) | CN1296143C (en) |
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| CN101773891A (en) * | 2010-01-12 | 2010-07-14 | 陈福明 | Spray method and spray technology for inner walls of small-caliber metallic conduits |
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| CN101862725A (en) * | 2010-06-03 | 2010-10-20 | 鼎顺钢塑管设备材料(杭州)有限公司 | Steel-plastic composite pipe spraying device |
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| CN106890749A (en) * | 2017-04-21 | 2017-06-27 | 成都大漠石油技术有限公司 | Coating unit for spraying petroleum casing pipe |
| CN107069573A (en) * | 2017-05-26 | 2017-08-18 | 惠州市俊康电子科技有限公司 | A kind of electric power pipe device |
| CN109248842A (en) * | 2018-08-27 | 2019-01-22 | 中国石油集团渤海石油装备制造有限公司 | Single layer, outer dual-layer epoxy powder spraying method in steel pipe |
| CN109465161B (en) * | 2018-10-23 | 2020-04-28 | 济南德士净水管道制造有限公司 | Plastic coating method and plastic coating device for steel pipe |
| CN112171518A (en) * | 2020-09-30 | 2021-01-05 | 蚌埠市志诚涂装设备科技有限公司 | Movable inner and outer shot blasting and rust removing equipment for large-diameter steel pipe |
| CN113843116B (en) * | 2021-10-14 | 2023-10-03 | 山东东宏管业股份有限公司 | Double-layer corrosion prevention equipment and corrosion prevention process for outer wall of steel pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2715849A1 (en) * | 1976-11-22 | 1978-05-24 | Siargas | PROCESS FOR COATING THE INSIDE WALL OF PIPING AND DEVICE FOR CARRYING OUT THE PROCESS |
| CN1401438A (en) * | 2002-09-30 | 2003-03-12 | 姜宜川 | Apparatus and process for spraying inner wall of electric heating water supply steel-plastic composite pipe |
-
2004
- 2004-01-13 CN CNB2004100158026A patent/CN1296143C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2715849A1 (en) * | 1976-11-22 | 1978-05-24 | Siargas | PROCESS FOR COATING THE INSIDE WALL OF PIPING AND DEVICE FOR CARRYING OUT THE PROCESS |
| CN1401438A (en) * | 2002-09-30 | 2003-03-12 | 姜宜川 | Apparatus and process for spraying inner wall of electric heating water supply steel-plastic composite pipe |
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| Publication number | Publication date |
|---|---|
| CN1557565A (en) | 2004-12-29 |
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