CN103123031A - Method and device for producing antiseptic pipe by adopting nano-coatings - Google Patents
Method and device for producing antiseptic pipe by adopting nano-coatings Download PDFInfo
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- CN103123031A CN103123031A CN2011103665041A CN201110366504A CN103123031A CN 103123031 A CN103123031 A CN 103123031A CN 2011103665041 A CN2011103665041 A CN 2011103665041A CN 201110366504 A CN201110366504 A CN 201110366504A CN 103123031 A CN103123031 A CN 103123031A
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Abstract
The invention discloses a method and a device for producing an antiseptic pipe by adopting nano-coatings. The device for producing the antiseptic pipe by adopting the nano-coatings is composed of an electric pre-heater, a material placing machine, an air-free high-pressure spray coating machine, a homogenizer, a medium-frequency heater and the like. The method comprises the steps of (1) conveying basic pipes inside the electric pre-heater to preheat the basic pipes to the temperature of 50 DEG C to 80 DEG C, preheating the basic pipes for 1 to 1.5 minutes, (2) automatically spray coating the inner walls of the pipe cavities of the basic pipes by adopting the air-free high-pressure spray coating machine, enabling the spraying thickness of the nano-coating to achieve 150 micrometers, (3) conveying the basic pipes to the homogenizer to be stepped, heated and homogenized, installing reflecting heating plates above the homogenizer, enabling the rotating speed of the basic pipes on the homogenizer to be 35 rounds per minute, enabling the horizontal stepping speed to be 15-20 centimeters per minute, enabling the time of passing the homogenizer and achieving homogenizing of each basic pipe to be 30 to 40 minutes, enabling the secondary heating temperature of the basic pipes by the reflecting plates to be 100 DEG C, and (4) enabling the basic pipes to respectively pass the medium-frequency heater for tertiary heating and solidifying, enabling the heating temperature to be 120 DEG C, and enabling the nano-coatings to be once formed on the basic pipes.
Description
Technical field
The present invention relates to corrosion-inhibiting coating production and processing method and the equipment of oil-field flooding pipe, particularly a kind of method and apparatus that adopts nano paint production anti-corrosion pipe.
Background technique
The U.S. has developed the powder spray technology in the eighties of last century the eighties, and it has caused a sensation oil circle with outstanding anticorrosion, anti-scaling property.Started a technological revolution in water injection well in oil fields engineering and plumbing field.Its technical characteristics be utilize in common steel tube (can be referred to as basic pipe) heating, High Rotation Speed centrifugal atomizing principle with powder spray in basic tube chamber, make to form a kind of even, level and smooth protective layer in tube chamber, thereby reach performance anticorrosion, antiscale.But on using effect, also there are a lot of drawbacks.As time goes on the first should be full of cracks and obscission occur by the pipe anticorrosive coat.It two is to occur phenomenon of rupture when using in water injection well more than 2000 meters in the oil field.Draw through analysis expert: be mainly that raw material (powder) specific elongation is low, anti-scholar becomes poor performance.This technology of expert advice can only be used in the water injection well below 2000 meters, and when water-feeding drainaging line used, the gradient and camber were all unsuitable excessive, and certain narrow limitation is so just arranged.Along with the oil field is continually developed, the water injection well degree of depth in oil field rises to 2400 meters present-4500 meters left and right also by 2000 meters original left and right.Original technology is on a declining curve in the market, oil field in future.It is imperative that new product is taken over existing product.Along with the development of science and technology, the nanometer anticorrosive paint constantly is born, but mainly all is applied on tank body and larger work surface, and using on than facet and oil-field flooding well lines has certain difficulty.
According to the characteristic of nano anticorrosive coating, drawing through tens of time tests, when water injection well in oil fields inner tube coating thickness is 150um, water injecting pipe anticorrosion, antiscaling effect is best.But nanometer anticorrosive paint compactness and flow leveling are very obvious, bring many difficulties for the interior moulding of pipe.Disposable spray finishing 40-50um just has slight sagging phenomenon in the oil-field flooding well casing, and secondary overcoating interface linking is not firm is easy to cause anticorrosive coat to come off.In order to reach best antiseptic effect, more than must a spraying paint film thickness reaching 150um, this is a very important research topic, but does not also have feasible technological means to realize this purpose at present.
Summary of the invention
The object of the present invention is to provide a kind of method and apparatus that adopts nano paint production anti-corrosion pipe, when the flushing inner tube wall being carried out the nano paint spraying, can make more than the coating thickness of nano paint once reaches 150um, apply effective, the coating difficult drop-off.
The object of the present invention is achieved like this: a kind of method that adopts nano paint production anti-corrosion pipe, comprise following operating procedure, and 1, basic pipe is delivered to carries out preheating in anticipatory electric heater, preheating temperature is 50
oC-80
oC, be 1-1.5 minutes preheat time; 2, the basic pipe after preheating is delivered on material placing machine, adopts and without the gas high-pressure spraying machine, lumen wall is carried out automatic coating, make the coating thickness of nano paint once reach 150um; 3, be delivered to and carry out stepping on homogenizer, add thermally homogenising with being about to basic pipe after spraying, at homogenizer upper horizontal interval, reflective heating plate is installed, the basic rotational speed of pipe on homogenizer is that 35 rev/mins, horizontal stepping rate are 15-20 cm per minute, every pipe is 30-40 minutes from homogenizer through, time of completing homogeneous, basic pipe carries out double heating by reflective heating plate to it in step run on homogenizer, heating-up temperature is 100
oC accelerates nano paint and disperses, solidifies; 4, then the basic pipe after homogeneous is heating and curing for three times by intermediate frequency heater respectively, the heating-up temperature of intermediate frequency heater is 120
oC makes nano-level coating once moulding on basic pipe.
a kind of equipment that adopts nano paint production anti-corrosion pipe, comprise anticipatory electric heater, material placing machine, without the gas high-pressure spraying machine, homogenizer and intermediate frequency heater, anticipatory electric heater, material placing machine, all be connected by basic pipe conveying raceway device between homogenizer and intermediate frequency heater, wherein the spraying gun head rotating speed without the gas high-pressure spraying machine is at least 30000 rev/mins, homogenizer comprises the swing roller transport table that vertical spacing is arranged, basic pipe horizontal lifting frame and aligning mechanism, under basic pipe horizontal lifting frame, lifting hydraulic cylinder or cylinder are installed, the uniform wedge shaped plate that arranging of vertical spacing from front to back on the lifting frame end face, the swing roller transport table is arranged with basic pipe horizontal lifting frame staggered interval, basic pipe is perpendicular with said horizontal lifting frame, aligning mechanism is positioned at a side of basic pipe, the uniform vertically roller that arranging of vertical spacing on aligning mechanism, vertical roller contacts with a side of basic pipe, horizontal roller on the swing roller transport table is rotated by motoring, at swing roller transport table upper horizontal interval, one reflective heating plate is installed, and the spacing between reflective heating plate and swing roller transport table is greater than the caliber of basic pipe.
28 pairs of horizontal rollers of coaxial arrangement are installed respectively on the swing roller transport table.
The inventive method and equipment are when work:
1, the pipe of derusting by sandblasting is in advance transported on feeding rack, put successively neatly, restart transfer mechanism, pipe is sent to treats preheating on storage rack.
2, with the preheater temperature constant, when pipe transmits automatically by after preheater, completed warm.When pipe walks to the material placing machine specified position, send instruction by transducing signal, be parked on material placing machine pipe is quiet, begin carry out tube chamber in automatic coating without the gas high-pressure spraying machine this moment.
3, be to adopt the high speed centrifugation Principle of Rotating without gas high pressure painting machine gun head, nanomaterial is formed the vaporific tube wall that evenly is sprayed on, when high pressure painting rifle head left tube wall, material placing machine was received transducing signal and automatically will be sprayed complete pipe and be turned to and heat homogeneous on homogenizer.
4, homogenizer is according to the principle design of speed governing rotary synchronous stepping.Step by step mechanism on homogenizer is set according to pipe diameter size and is regulated.Homogenizer top is heating plate, heats in the rotation stepping, promotes nano paint to disperse and accelerate to solidify.28 pairs of horizontal rollers of coaxial arrangement are installed respectively on the swing roller transport table of homogenizer.But homogeneous 1-28 root pipe on homogenizer after the 1st pipe homogeneous finishes, transmits subsequent processing automatically, and the 29th pipe automatic turning forms orderly automatic cycle to homogenizer.
5, intermediate frequency heater is the principle according to heating in medium frequency, and temperature required and stepping rate requires to improve and designs and produces according to existing production technology.Intermediate frequency heater is received and is started working after on homogenizer, first pipe transmits signal.When a pipe was advanced by intermediate frequency heater, second pipe continued.Then pipe successively is sent on discharge rack, has so just completed the overall process of spraying in nano paint.
Technical solution of the present invention is formally moved towards the extensive finished product production phase through experimental stage, sample stage, sample amplification stage, utilizes this method and apparatus to make coating thickness once can reach 200um, is controlled at 150um fully according to technological requirement.The nano anti-corrosive oil-field flooding well casing of producing is in the past using the oil-field flooding well casing that adopted the method production in about a year with regard to the beginning corrosion and scaling through on probation, go into the well from July, 2009 and carry well in August, 2011 and there is no the corrosion and scaling phenomenon, up to the present life time has surpassed one times of time of the product in early stage such as U.S., still uses continuing.
The invention has the advantages that by such flow, when the flushing inner tube wall being carried out the nano paint spraying, satisfied nano-level coating fully more than the inner tube wall coating thickness once reaches 150um, do not trickle, not sagging, the not usage requirement of aliquation, reliable in quality, can realize the operation of pipeline long-term safety, in the middle of having evaded repeatedly overcoating, interface is unstable, easily the aliquation equivalent risk.Apply effective, the coating difficult drop-off.Reduce simultaneously a large amount of human and material resources, brought huge economic benefit to enterprise.
Description of drawings
The present invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the situation plan of the embodiment of the present invention;
Fig. 2 is the plan structure schematic diagram of homogenizer of the present invention;
Fig. 3 is the main TV structure schematic diagram of homogenizer swing roller transport table of the present invention;
Fig. 4 is the main TV structure schematic diagram of homogenizer horizontal lifting frame of the present invention.
Embodiment
A kind of method that adopts nano paint production anti-corrosion pipe as shown in Figure 1, comprises following operating procedure, 1, basic pipe is delivered to carries out preheating in anticipatory electric heater 14, and preheating temperature is 50
oC-80
oC, be 1-1.5 minutes preheat time; Wherein preferred parameter is, basic pipe carries out preheating in anticipatory electric heater, and preheating temperature is 80
oC, be 1 minute preheat time.2, the basic pipe after preheating is delivered on material placing machine 13, adopts and carry out automatic coating without 11 pairs of lumen walls of gas high-pressure spraying machine, make the coating thickness of nano paint once reach 150um; 3, be delivered to and carry out stepping on homogenizer 12, add thermally homogenising with being about to basic pipe after spraying, at homogenizer upper horizontal interval, reflective heating plate is installed, the basic rotational speed of pipe on homogenizer is that 35 rev/mins, horizontal stepping rate are 15-20 cm per minute, every pipe is 30-40 minutes from homogenizer through, time of completing homogeneous, basic pipe carries out double heating by reflective heating plate to it in step run on homogenizer, heating-up temperature is 100
oC accelerates nano paint and disperses, solidifies; 4, then the basic pipe after homogeneous is heating and curing for 17 3 times by intermediate frequency heater respectively, the heating-up temperature of intermediate frequency heater is 120
oC makes nano-level coating once moulding on basic pipe.
A kind of equipment that adopts nano paint production anti-corrosion pipe, as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, comprise anticipatory electric heater 14, material placing machine 13, without gas high-pressure spraying machine 11, homogenizer 12 and intermediate frequency heater 17, all be connected by basic pipe conveying raceway device between anticipatory electric heater, material placing machine, homogenizer and intermediate frequency heater, the basic pipe of derusting by sandblasting is in advance transported on feeding rack 10, put successively neatly, restart transfer mechanism, basic pipe is sent on storage rack 15 treats preheating.Then basic pipe is delivered to and carries out preheating in anticipatory electric heater 14, the basic pipe after preheating is delivered on material placing machine 13, adopt and carry out automatic coating without 11 pairs of lumen walls of gas high-pressure spraying machine, make the coating thickness of nano paint once reach 150um; Wherein the spraying gun head rotating speed without gas high-pressure spraying machine 11 is at least 30000 rev/mins, adopts high rotating speed to be conducive to even coating.Homogenizer 12 comprises swing roller transport table 1 that vertical spacing arranges, substantially manages horizontal lifting frame 2 and aligning mechanism 4.
As shown in Figure 4, the crossbeam of substantially managing horizontal lifting frame 2 is installed with lifting hydraulic cylinder or cylinder 7 for 5 times, the uniform wedge shaped plate 6 that arranging of vertical spacing from front to back on the lifting frame end face, and swing roller transport table 1 is arranged with basic pipe horizontal lifting frame 2 staggered intervals.
As shown in Figure 2, substantially manage 3 with said horizontal lifting frame 2 perpendicular.Aligning mechanism 4 is positioned at a side of basic pipe, the uniform vertically roller that arranging of vertical spacing on aligning mechanism 4, and vertical roller contacts with a side of basic pipe 3.Horizontal roller on swing roller transport table 1 drives rotation by motor 8, at swing roller transport table upper horizontal interval, one reflective heating plate 9 is installed, and the spacing between reflective heating plate 9 and swing roller transport table 1 is greater than the caliber of substantially managing 3.
28 pairs of horizontal rollers of coaxial arrangement are installed respectively on swing roller transport table 1.
When basic pipe 3 carries out homogeneous on the homogenizer of present device, first import on swing roller transport table 1 and be rotated heating by reflective heating plate 9, heated about 1-2 minutes, be positioned at horizontal lifting frame 2 rises of basic pipe 3 belows, by wedge shaped plate 6 when will substantially managing 3 jack-up, to substantially manage 3 and be pushed into forward another on horizontal roller, the like.Gradually each this pipe of foundation is carried out the homogeneous heating.Intermediate frequency heater is received and is started working after on homogenizer, first pipe transmits signal.When a pipe was advanced by intermediate frequency heater, second pipe continued.Then pipe successively is sent on discharge rack 16, has so just completed the overall process of spraying in nano paint.
Claims (4)
1. method that adopts nano paint production anti-corrosion pipe is characterized in that: comprise following operating procedure, and 1, basic pipe is delivered to carries out preheating in anticipatory electric heater, preheating temperature is 50
oC-80
oC, be 1-1.5 minutes preheat time; 2, the basic pipe after preheating is delivered on material placing machine, adopts and without the gas high-pressure spraying machine, lumen wall is carried out automatic coating, make the coating thickness of nano paint once reach 150um; 3, be delivered to and carry out stepping on homogenizer, add thermally homogenising with being about to basic pipe after spraying, at homogenizer upper horizontal interval, reflective heating plate is installed, the basic rotational speed of pipe on homogenizer is that 35 rev/mins, horizontal stepping rate are 15-20 cm per minute, every pipe is 30-40 minutes from homogenizer through, time of completing homogeneous, basic pipe carries out double heating by reflective heating plate to it in step run on homogenizer, heating-up temperature is 100
oC accelerates nano paint and disperses, solidifies; 4, then the basic pipe after homogeneous is heating and curing for three times by intermediate frequency heater respectively, the heating-up temperature of intermediate frequency heater is 120
oC makes nano-level coating once moulding on basic pipe.
2. the method for employing nano paint production anti-corrosion pipe according to claim 1, it is characterized in that: basic pipe is delivered to carries out preheating in anticipatory electric heater, preheating temperature is 80
oC, be 1 minute preheat time.
3. equipment that adopts nano paint production anti-corrosion pipe, comprise anticipatory electric heater, material placing machine, without the gas high-pressure spraying machine, homogenizer and intermediate frequency heater, anticipatory electric heater, material placing machine, all be connected by basic pipe conveying raceway device between homogenizer and intermediate frequency heater, it is characterized in that: wherein the spraying gun head rotating speed without the gas high-pressure spraying machine is at least 30000 rev/mins, homogenizer comprises the swing roller transport table that vertical spacing is arranged, basic pipe horizontal lifting frame and aligning mechanism, under basic pipe horizontal lifting frame, lifting hydraulic cylinder or cylinder are installed, the uniform wedge shaped plate that arranging of vertical spacing from front to back on the lifting frame end face, the swing roller transport table is arranged with basic pipe horizontal lifting frame staggered interval, basic pipe is perpendicular with said horizontal lifting frame, aligning mechanism is positioned at a side of basic pipe, the uniform vertically roller that arranging of vertical spacing on aligning mechanism, vertical roller contacts with a side of basic pipe, horizontal roller on the swing roller transport table is rotated by motoring, at swing roller transport table upper horizontal interval, one reflective heating plate is installed, and the spacing between reflective heating plate and swing roller transport table is greater than the caliber of basic pipe.
4. the equipment of employing nano paint production anti-corrosion pipe according to claim 3, is characterized in that: 28 pairs of horizontal rollers that coaxial arrangement is installed respectively on the swing roller transport table.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110366504.1A CN103123031B (en) | 2011-11-18 | 2011-11-18 | Method and device for producing antiseptic pipe by adopting nano-coatings |
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|---|---|---|---|
| CN201110366504.1A CN103123031B (en) | 2011-11-18 | 2011-11-18 | Method and device for producing antiseptic pipe by adopting nano-coatings |
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| CN103123031A true CN103123031A (en) | 2013-05-29 |
| CN103123031B CN103123031B (en) | 2015-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040558A (en) * | 2016-07-29 | 2016-10-26 | 克拉玛依双信防腐技术有限公司 | Step rotating device for inner spraying-coating oil pipe and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040558A (en) * | 2016-07-29 | 2016-10-26 | 克拉玛依双信防腐技术有限公司 | Step rotating device for inner spraying-coating oil pipe and application method thereof |
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| CN103123031B (en) | 2015-01-07 |
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Effective date of registration: 20210924 Address after: No. 41-9, Chuangye garden, Baijiantan District, Karamay City, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Juneng Petroleum Equipment Remanufacturing Co.,Ltd. Address before: 834008 No. 89, Youjiao Road, Baijiantan District, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: Wei Xiaobing |
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