CN102962179B - Paint spraying technique of plate radiator for transformer - Google Patents
Paint spraying technique of plate radiator for transformer Download PDFInfo
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- CN102962179B CN102962179B CN201210537642.6A CN201210537642A CN102962179B CN 102962179 B CN102962179 B CN 102962179B CN 201210537642 A CN201210537642 A CN 201210537642A CN 102962179 B CN102962179 B CN 102962179B
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Abstract
The invention discloses a paint spraying technique of a plate radiator for a transformer. The paint spraying technique is implemented in paint spraying pools; the paint spraying pools consist of a priming paint spraying pool, an intermediate paint spraying pool and a finishing paint spraying pool; two support frames are arranged at the bottom of each paint spraying pool; the radiator is arranged on two support frames; inverted conical sinks are arranged at the bottoms of the paint spraying pools; paint spraying pumps are arranged on the lower parts of the inverted conical sinks, and are connected with paint spraying guns by hoses; and operators implement the paint spraying for the radiator through the paint spraying guns. The paint spraying technique comprises the following steps: a. inspecting the radiator; b. preparing the paint spraying pools; c. preparing paint; d. spraying priming paint; e. spraying intermediate paint; f. spraying finishing paint; and g. processing the surface. According to the paint spraying technique of the plate radiator for the transformer, disclosed by the invention, the thicknesses of paint films are uniform, so that the heat dissipation of the radiator is evener; the surface of the radiator is difficultly oxidized, so that the service life of the radiator is prolonged; and the productivity is high, so that the invalid working hours are shortened.
Description
Technical field
The present invention relates to heat sink technology field, particularly relate to a kind of leaching paint technique of fin type heat radiator for transformer.
Background technology
Along with socioeconomic develop rapidly, the power industry of China is also going from strength to strength.Transformer is requisite power equipment in power industry.Oil-filled transformer is more a kind of transformer using in range transformer.Existing oil-filled transformer is all equipped with gilled radiator, ensures the normal operation of transformer.
Radiator, after assembly welding, paint its surface, at present, is all to adopt manually paint or spray paint, and has so following shortcoming: 1, film thickness is inhomogeneous, causes radiator heat-dissipation inhomogeneous; 2, some position paint film is thinner, even spray less than, can cause these positions easily oxidized, shorten service life of radiator; 3, production efficiency is low.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of leaching paint technique of fin type heat radiator for transformer, can solve problems of the prior art, and film thickness is even, and spreader surface is difficult for oxidized, and production efficiency is high.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the leaching paint technique that a kind of fin type heat radiator for transformer is provided, comprise: this leaching paint technique is to carry out in leaching paint pond, described leaching paint pond comprises priming paint leaching paint pond, intermediate coat leaching paint pond and finish paint leaching paint pond, bottom, each leaching paint pond is equipped with two bracing frames, radiator is placed on two bracing frames, at the bottom of leaching paint pond, be provided with turbination bakie, the below of described turbination bakie is provided with leaching paint pump, leaching paint pump is connected with leaching paint rifle by flexible pipe, staff carries out leaching paint by leaching paint rifle to radiator, leaching paint technique comprises the following steps:
A, radiator inspection: the surface acid-washing phosphatization quality to radiator and inner quality check, guarantee that spreader surface is without burr, rust staining, overlap, welding wire, unit sheet deformation defect, it is clean and tidy clean that inner wall tube is wanted, without burr, overlap, welding wire, get rusty, water droplet defect;
Prepare in b, leaching paint pond: whether the pipeline that checks leaching paint rifle is unobstructed, in bottom, leaching paint pond, pours a small amount of diluent with clean plastic film pad into, open leaching paint switch pump, whether the work that checks leaching paint pump is normal, checks that connecting hose has or not breakage, confirms without abnormal rear stand-by;
The preparation of c, paint: get priming paint, intermediate coat, finish paint and with corresponding separately diluent, curing agent, in priming paint leaching paint pond, pour priming paint diluent into, open leaching paint pump, solidifying priming paint agent is poured into and is stirred;
Use paint filter to filter priming paint, the priming paint having filtered is poured in priming paint leaching paint pond, add priming paint diluent by standard, and stir;
According to thickness requirement, paint viscosity is adjusted between 18 ~ 22s, then slaking 10 ~ 15 minutes, observation of liquid state paint, continues to stir, and can not occur a large amount of bubbles and block;
D, priming paint showering: the radiator being up to the standards in step a is sling with driving, and the dead angle of the oil collecting pipe below to radiator two ends sprays in advance, until do not reveal iron;
Radiator is sealed into and out of the flange of hydraulic fluid port by frock, with driving, radiator is hung in priming paint leaching paint pond again, start leaching paint, first showering is carried out in radiator two ends, then radiator is carried out to overall showering, divide the both sides that stand in leaching paint pond to operate by two people, one in front and one in back, two rifle distances remain between 15 ~ 20cm two leaching paint rifles simultaneously;
After the whole group of whole showerings of radiator, be placed in priming paint leaching paint pond and carry out the first secondary control paint, the control paint time is 4 ~ 6 minutes;
To sling through the radiator of the first secondary control paint with driving, utilize compressed air to blow radiator, surperficial paint knurl, bubble are blown clean;
Radiator is winched to the second control paint position, carry out two secondary control paints, hang in next group radiator and prepare leaching paint in leaching paint pond, two secondary control paint times were 10 ~ 15 minutes;
With driving a vehicle slinging through the radiator of two secondary control paints, rest on overhead 1.8 ~ 2.2 meters of of height, and carry out bottom with cylinder and repair, comprise sagging, drip, find that there is grinning effect repairs with spray gun at once, remnants on flange face are painted with clean cloth sassafras clean, then radiator is winched to another station and be dried;
After confirming that the radiator that has drenched priming paint is done solid work, carry out the test of PASS, if test failure carries out blasting treatment to spreader surface, then re-start priming paint showering, so repeatedly, until adhesive force test passes;
E, intermediate coat showering: the radiator integral after PASS test passes in steps d is turned over to turnback, and by the remnants paint of spreader surface, paint knurl, sagging is all polished and is repaired with sand paper, then carry out intermediate coat showering, intermediate coat showering is carried out in intermediate coat leaching paint pond, select intermediate coat and diluent corresponding thereto, curing agent, concrete steps are with reference to step b, c, d, while carrying out PASS test, if test failure, spreader surface is carried out to blasting treatment, then re-start priming paint showering and intermediate coat showering, so repeatedly, until adhesive force test passes,
F, finish paint showering: the radiator integral after PASS test passes in step e is turned over to turnback, and by the remnants paint of spreader surface, paint knurl, sagging is all polished and is repaired with sand paper, then carry out finish paint showering, finish paint showering is carried out in finish paint leaching paint pond, select finish paint and diluent corresponding thereto, curing agent, concrete steps are with reference to step b, c, d, while carrying out PASS test, if test failure, spreader surface is carried out to blasting treatment, then re-start priming paint showering, intermediate coat showering and finish paint showering, so repeatedly, until adhesive force test passes,
G, surface treatment: process on the surface to the radiator obtaining in step f, confirm surperficial no sag, coat of paint, burr, pollutant, and leaching paint completes.
In a preferred embodiment of the present invention, the specification of the screen pack that described paint filter adopts is 80 ~ 100 orders.
In a preferred embodiment of the present invention, described priming paint adopts epoxy phosphate yellow zinc chromate primer paint, and priming paint diluent adopts epoxide diluent, and solidifying priming paint agent adopts epoxy hardener.
In a preferred embodiment of the present invention, described intermediate coat adopts epoxy micaceous iron intermediate coat, and intermediate coat diluent adopts epoxide diluent, and intermediate coat curing agent adopts epoxy hardener.
In a preferred embodiment of the present invention, described finish paint adopts polyurethane finish, and finish paint diluent adopts polyurethane diluent, and finish paint curing agent adopts polyurethane curing agent.
In a preferred embodiment of the present invention, in the leaching paint process in steps d, e, f, whether meet coating specification every the viscosity of 1 hour test paint, if do not met, should add corresponding former paint, diluent and curing agent according to actual conditions.
In a preferred embodiment of the present invention, adopt 4 glasss of paintings to carry out viscosity test.
In a preferred embodiment of the present invention, paint vehicle in described priming paint leaching paint pond, intermediate coat leaching paint pond and finish paint leaching paint pond, while reaching 8h between in use, paint is drained, taken out the plastic sheeting in leaching paint pond, new plastic sheeting on pad, again join paint, then proceed leaching paint.
The leaching paint technique of fin type heat radiator for transformer of the present invention, has following beneficial effect:
1, film thickness is even, and radiator heat-dissipation is more even;
2, spreader surface be difficult for oxidized, long service life;
3, production efficiency is high, shortens invalid man-hour, uses the radiator of this leaching paint technique, and good product quality is durable in use, fully meets customer need.
Brief description of the drawings
Fig. 1 is the flow chart of leaching paint technique one preferred embodiment of fin type heat radiator for transformer of the present invention;
Fig. 2 is the structural representation in described leaching paint pond;
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Refer to Fig. 1 and Fig. 2, the embodiment of the present invention comprises:
A kind of leaching paint technique of fin type heat radiator for transformer, it is characterized in that, comprise: this leaching paint technique is to carry out in leaching paint pond, described leaching paint pond comprises priming paint leaching paint pond, intermediate coat leaching paint pond and finish paint leaching paint pond, bottom, each leaching paint pond is equipped with two bracing frames, radiator is placed on two bracing frames, at the bottom of leaching paint pond, be provided with turbination bakie, the below of described turbination bakie is provided with leaching paint pump, described turbination bakie and leaching paint pump are all arranged on underground, leaching paint pump is connected with leaching paint rifle by flexible pipe, staff carries out leaching paint by leaching paint rifle to radiator, leaching paint technique comprises the following steps:
A, radiator inspection: the surface acid-washing phosphatization quality to radiator and inner quality check, guarantee that spreader surface is without burr, rust staining, overlap, welding wire, unit sheet deformation defect, it is clean and tidy clean that inner wall tube is wanted, without burr, overlap, welding wire, get rusty, water droplet defect;
Prepare in b, leaching paint pond: whether the pipeline that checks leaching paint rifle is unobstructed, and with clean plastic film pad, in bottom, leaching paint pond, prevention paint directly contacts with leaching paint pond, causes remaining paint cumulative, affects the lasting use in later stage; In leaching paint pond, pour a small amount of diluent into, open leaching paint switch pump, check that whether the work of leaching paint pump is normal, check that connecting hose has or not breakage, confirm without abnormal rear stand-by;
The preparation of c, paint: get priming paint, intermediate coat, finish paint and with corresponding separately diluent, curing agent, in priming paint leaching paint pond, pour priming paint diluent into, open leaching paint pump, solidifying priming paint agent is poured into and is stirred;
Use paint filter to filter priming paint, the priming paint having filtered is poured in priming paint leaching paint pond, add priming paint diluent by standard, and stir;
According to temperature, viscosity, thickness curve map, paint viscosity is adjusted between 18 ~ 22s, then slaking 10 ~ 15 minutes, observation of liquid state paint, continues to stir, and can not occur a large amount of bubbles and block;
D, priming paint showering: the radiator being up to the standards in step a is sling with driving, and the dead angle of the oil collecting pipe below to radiator two ends sprays in advance, until do not reveal iron;
Radiator is sealed into and out of the flange of hydraulic fluid port by frock, in order to avoid when showering, paint enters radiator inside, then with driving a vehicle, radiator is hung in priming paint leaching paint pond, start leaching paint, first showering is carried out in radiator two ends, then radiator is carried out to overall showering, divide the both sides that stand in leaching paint pond to operate by two people simultaneously, two leaching paint rifles one in front and one in back, two rifle distances remain between 15 ~ 20cm, and the movement of leaching paint rifle will be consistent, and can not have holiday phenomenon to occur;
After the whole group of whole showerings of radiator, be placed in priming paint leaching paint pond and carry out the first secondary control paint, the control paint time is 4 ~ 6 minutes;
To sling through the radiator of the first secondary control paint with driving, utilize compressed air to blow radiator, surperficial paint knurl, bubble are blown clean, the emphasis place such as under oil collecting pipe, reinforcement, between sheet.
Radiator is winched to the second control paint position, carry out two secondary control paints, hang in next group radiator and prepare leaching paint in leaching paint pond, two secondary control paint times were 10 ~ 15 minutes;
With driving a vehicle slinging through the radiator of two secondary control paints, rest on overhead 1.8 ~ 2.2 meters of of height, and carry out bottom with cylinder and repair, comprise sagging, drip, find that there is grinning effect repairs with spray gun at once, remnants on flange face are painted with clean cloth sassafras clean, then radiator is winched to another station and be dried;
After confirming that the radiator that has drenched priming paint is done solid work, carry out the test of PASS, if test failure, first analyze and produce reason, producing reason has several as follows: one, priming paint surface does not parch completely, two, ground is dealt with improperly, three, the proportioning of paint is incorrect, if reason one waits for that priming paint parches completely, carry out again next procedure, if reason two or reason three are carried out blasting treatment to spreader surface, then re-start priming paint showering, so repeatedly, until adhesive force test passes;
E, intermediate coat showering: the radiator integral after PASS test passes in steps d is turned over to turnback, and by the remnants paint of spreader surface, paint knurl, sagging is all polished and is repaired with sand paper, then carry out intermediate coat showering, intermediate coat showering is carried out in intermediate coat leaching paint pond, select intermediate coat and diluent corresponding thereto, curing agent, concrete steps are with reference to step b, c, d, while carrying out PASS test, if test failure, spreader surface is carried out to blasting treatment, then re-start priming paint showering and intermediate coat showering, so repeatedly, until adhesive force test passes,
Radiator integral is turned over to turnback and carry out again intermediate coat showering, can ensure like this uniformity of thickness, ensure product quality;
F, finish paint showering: the radiator integral after PASS test passes in step e is turned over to turnback, and by the remnants paint of spreader surface, paint knurl, sagging is all polished and is repaired with sand paper, then carry out finish paint showering, finish paint showering is carried out in finish paint leaching paint pond, select finish paint and diluent corresponding thereto, curing agent, concrete steps are with reference to step b, c, d, while carrying out PASS test, if test failure, spreader surface is carried out to blasting treatment, then re-start priming paint showering, intermediate coat showering and finish paint showering, so repeatedly, until adhesive force test passes,
Radiator integral is turned over to turnback and carry out again finish paint showering, can ensure like this uniformity of thickness, ensure product quality;
G, surface treatment: process on the surface to the radiator obtaining in step f, confirm surperficial no sag, coat of paint, burr, pollutant, and leaching paint completes.
The specification of the screen pack that described paint filter adopts is 80 ~ 100 orders.
Described priming paint adopts epoxy phosphate yellow zinc chromate primer paint, and priming paint diluent adopts epoxide diluent, and solidifying priming paint agent adopts epoxy hardener.
Described intermediate coat adopts epoxy micaceous iron intermediate coat, and intermediate coat diluent adopts epoxide diluent, and intermediate coat curing agent adopts epoxy hardener.
Described finish paint adopts polyurethane finish, and finish paint color is selected according to customer requirement, and finish paint diluent adopts polyurethane diluent, and finish paint curing agent adopts polyurethane curing agent.
In leaching paint process in steps d, e, f, whether meet coating specification every the viscosity of 1 hour test paint, if do not met, should add corresponding former paint, diluent and curing agent according to actual conditions, ensure leaching paint quality;
Adopt 4 glasss of paintings to carry out viscosity test.
Paint vehicle in described priming paint leaching paint pond, intermediate coat leaching paint pond and finish paint leaching paint pond, while reaching 8h between in use (be 12h winter), drains paint, takes out the plastic sheeting in leaching paint pond, and new plastic sheeting on pad, again joins paint, then proceed leaching paint.
The leaching paint technique of fin type heat radiator for transformer of the present invention, has following beneficial effect: film thickness is even, and radiator heat-dissipation is more even; Spreader surface is difficult for oxidized, long service life; Production efficiency is high, shortens invalid man-hour, uses the radiator of this leaching paint technique, and good product quality is durable in use, fully meets customer need.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. the leaching paint technique of a fin type heat radiator for transformer, it is characterized in that, comprise: this leaching paint technique is to carry out in leaching paint pond, described leaching paint pond comprises priming paint leaching paint pond, intermediate coat leaching paint pond and finish paint leaching paint pond, bottom, each leaching paint pond is equipped with two bracing frames, radiator is placed on two bracing frames, at the bottom of leaching paint pond, be provided with turbination bakie, the below of described turbination bakie is provided with leaching paint pump, leaching paint pump is connected with leaching paint rifle by flexible pipe, staff carries out leaching paint by leaching paint rifle to radiator, and leaching paint technique comprises the following steps:
A, radiator inspection: the surface acid-washing phosphatization quality to radiator and inner quality check;
Prepare in b, leaching paint pond: whether the pipeline that checks leaching paint rifle is unobstructed, in bottom, leaching paint pond, pours diluent with clean plastic film pad into, open leaching paint switch pump, whether the work that checks leaching paint pump is normal, checks that connecting hose has or not breakage, confirms without abnormal rear stand-by;
The preparation of c, paint: prepare priming paint, intermediate coat, finish paint and with corresponding separately diluent, curing agent, described priming paint adopts epoxy phosphate yellow zinc chromate primer paint, described intermediate coat adopts epoxy micaceous iron intermediate coat, described finish paint adopts polyurethane finish, in priming paint leaching paint pond, pour priming paint diluent into, open leaching paint pump, solidifying priming paint agent is poured into and stirred;
Use paint filter to filter priming paint, the priming paint having filtered is poured in priming paint leaching paint pond, add priming paint diluent by standard, and stir;
According to thickness requirement, paint viscosity is adjusted between 18 ~ 22s, then slaking 10 ~ 15 minutes, observation of liquid state paint, continues to stir, and can not occur a large amount of bubbles and block;
D, priming paint showering: the radiator being up to the standards in step a is sling with driving, and the dead angle of the oil collecting pipe below to radiator two ends sprays in advance, until do not reveal iron;
Radiator is sealed into and out of the flange of hydraulic fluid port by frock, with driving, radiator is hung in priming paint leaching paint pond again, start leaching paint, first showering is carried out in radiator two ends, then radiator is carried out to overall showering, divide the both sides that stand in leaching paint pond to operate by two people, one in front and one in back, two rifle distances remain between 15 ~ 20cm two leaching paint rifles simultaneously;
After the whole group of whole showerings of radiator, be placed in priming paint leaching paint pond and carry out the first secondary control paint, the control paint time is 4 ~ 6 minutes;
To sling through the radiator of the first secondary control paint with driving, utilize compressed air to blow radiator, surperficial paint knurl, bubble are blown clean;
Radiator is winched to the second control paint position, carry out two secondary control paints, hang in next group radiator and prepare leaching paint in leaching paint pond, two secondary control paint times were 10 ~ 15 minutes;
With driving a vehicle slinging through the radiator of two secondary control paints, rest on overhead 1.8 ~ 2.2 meters of of height, and carry out bottom with cylinder and repair, find that there is grinning effect repairs with spray gun at once, remnants on flange face are painted with clean cloth sassafras clean, then radiator is winched to another station and be dried;
After confirming that the radiator that has drenched priming paint is done solid work, carry out the test of PASS, if test failure carries out blasting treatment to spreader surface, then re-start priming paint showering, so repeatedly, until adhesive force test passes;
E, intermediate coat showering: the radiator integral after PASS test passes in steps d is turned over to turnback, and by the remnants paint of spreader surface, paint knurl, sagging is all polished and is repaired with sand paper, then carry out intermediate coat showering, intermediate coat showering is carried out in intermediate coat leaching paint pond, select intermediate coat and diluent corresponding thereto, curing agent, concrete steps are with reference to step b, c, d, while carrying out PASS test, if test failure, spreader surface is carried out to blasting treatment, then re-start priming paint showering and intermediate coat showering, so repeatedly, until adhesive force test passes,
F, finish paint showering: the radiator integral after PASS test passes in step e is turned over to turnback, and by the remnants paint of spreader surface, paint knurl, sagging is all polished and is repaired with sand paper, then carry out finish paint showering, finish paint showering is carried out in finish paint leaching paint pond, select finish paint and diluent corresponding thereto, curing agent, concrete steps are with reference to step b, c, d, while carrying out PASS test, if test failure, spreader surface is carried out to blasting treatment, then re-start priming paint showering, intermediate coat showering and finish paint showering, so repeatedly, until adhesive force test passes,
G, surface treatment: process on the surface to the radiator obtaining in step f.
2. the leaching paint technique of fin type heat radiator for transformer according to claim 1, is characterized in that, the specification of the screen pack that described paint filter adopts is 80 ~ 100 orders.
3. the leaching paint technique of fin type heat radiator for transformer according to claim 1, is characterized in that, described priming paint adopts epoxy phosphate yellow zinc chromate primer paint, and priming paint diluent adopts epoxide diluent, and solidifying priming paint agent adopts epoxy hardener.
4. the leaching paint technique of fin type heat radiator for transformer according to claim 1, is characterized in that, described intermediate coat adopts epoxy micaceous iron intermediate coat, and intermediate coat diluent adopts epoxide diluent, and intermediate coat curing agent adopts epoxy hardener.
5. the leaching paint technique of fin type heat radiator for transformer according to claim 1, is characterized in that, described finish paint adopts polyurethane finish, and finish paint diluent adopts polyurethane diluent, and finish paint curing agent adopts polyurethane curing agent.
6. the leaching paint technique of fin type heat radiator for transformer according to claim 1, it is characterized in that, in leaching paint process in steps d, e, f, whether the viscosity every 1 hour test paint meets coating specification, if do not met, should add corresponding former paint, diluent and curing agent according to actual conditions.
7. the leaching paint technique of fin type heat radiator for transformer according to claim 6, is characterized in that, adopts 4 glasss of paintings to carry out viscosity test.
8. the leaching paint technique of fin type heat radiator for transformer according to claim 1, it is characterized in that, paint vehicle in described priming paint leaching paint pond, intermediate coat leaching paint pond and finish paint leaching paint pond, while reaching 8h in use, paint is drained, taken out the plastic sheeting in leaching paint pond, new plastic sheeting on pad, again join paint, then proceed leaching paint.
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| CN201210537642.6A CN102962179B (en) | 2012-12-13 | 2012-12-13 | Paint spraying technique of plate radiator for transformer |
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| CN105107697A (en) * | 2015-08-31 | 2015-12-02 | 重庆望变电气（集团）股份有限公司 | Environment-friendly paint spraying technology |
| CN109396004A (en) * | 2017-08-17 | 2019-03-01 | 河南森源重工有限公司 | A kind of fin type heat radiator for transformer method of lacquering |
| CN108063041B (en) * | 2017-12-08 | 2019-07-05 | 沈阳天通电气有限公司 | A kind of on-line processing method and equipment manufacturing high-tension transformer lumen of radiator |
| CN110497615A (en) * | 2019-02-21 | 2019-11-26 | 广州捷和电子科技有限公司 | A kind of showering formula 3D printing equipment |
| CN110211774B (en) * | 2019-06-17 | 2021-10-01 | 江苏腾奇电力设备科技有限公司 | Aluminum alloy finned radiator for transformer and production process thereof |
| CN111515103A (en) * | 2020-03-16 | 2020-08-11 | 浙江和美集成新材料科技有限公司 | Metal material finish paint flow coating construction process |
| CN114798289B (en) * | 2022-05-24 | 2023-08-25 | 建新赵氏科技股份有限公司 | Spraying method for frameless sealing strip of automobile |
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| FI20020130A (en) * | 2002-01-24 | 2003-07-25 | Bondmet Oy | Method and apparatus for coating a metal surface with a thin metal containing layer |
| CN1840736A (en) * | 2005-03-28 | 2006-10-04 | 华为技术有限公司 | Surface treating process for heat pipe radiator |
| CN1927473A (en) * | 2006-09-20 | 2007-03-14 | 潍坊市阿波罗散热器制造有限公司 | Vacuum coating technique for anticorrosive coating in heat sink and dedicated device thereof |
| CN101409139B (en) * | 2008-08-01 | 2012-07-11 | 中国科学院电工研究所 | Gilled radiator |
| KR101033734B1 (en) * | 2009-09-21 | 2011-05-09 | (주)도스코 | Painting Method for Radiator |
| CN101691970A (en) * | 2009-09-22 | 2010-04-07 | 史正生 | Finned radiator |
| CN101659829B (en) * | 2009-09-27 | 2012-08-29 | 西安华捷奥海新材料有限公司 | Infrared radiation composite radiating coating and preparation method and spraying method thereof |
| CN102430506A (en) * | 2011-12-15 | 2012-05-02 | 江苏腾奇电力设备科技有限公司 | Paint coating process for radiator cast |
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