CN102644070B - Tube pass-plating method for air cooler - Google Patents
Tube pass-plating method for air cooler Download PDFInfo
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- CN102644070B CN102644070B CN 201210154594 CN201210154594A CN102644070B CN 102644070 B CN102644070 B CN 102644070B CN 201210154594 CN201210154594 CN 201210154594 CN 201210154594 A CN201210154594 A CN 201210154594A CN 102644070 B CN102644070 B CN 102644070B
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Abstract
The invention provides a tube pass-plating method for an air cooler, and relates to the technology for preventing a plating layer from corroding. The method can be used for successfully solving the technical problem that the existing air cooler commonly has the phenomena of corrosion, scale formation and leakage or the existing air cooler often can not normally run caused by high temperature. According to the technology, the service life of the equipment can be prolonged by more than 200%, the overhaul cost can be saved by more than 200%, the energy consumption can be reduced by more than 200%, and the resource consumption can be saved by more than 200%. The used raw materials comprise: 1, an organic solvent, 2 chemical raw materials, and 3, plating solution raw materials; and the technology is as follows: equipment tube pass connecting, greasy dirt removing, hot water circulating, acid pickling, activating treatment, neutralizing with warm water, passivating treatment, warm water circulating, plating solution circulating, plating solution filtering, detecting and analyzing, plating solution adjusting, repeatedly circulating, plating solution discharging and recovering, steam blowing, plating layer detection, far infrared drying, sealant treatment, and sealing and packing for delivering.
Description
Technical field
The present invention relates to be applied to the carbon steel equipment tube side coating anticorrosion techniques such as oil refining, chemical industry.
Background technology
The carbon steel air cooling apparatus of oil, chemical industry, the tube side fouling corrosion often occurs, and causes life of equipment short, maintenance is frequent and energy consumption is high, the problems such as production cost height cause producing undesired technique unstable, become petroleum chemical industry ubiquity phenomenon.
Summary of the invention
The invention provides a kind of air-cooler tube side method of coating, coating is high temperature resistant, anti-hydrogen sulfide and special chemical dielectric corrosion, has solved the production technique that existing petrochemical complex carbon steel equipment exists undesirable, and service life of equipment is short, energy consumption is high, the problem that cost is high.
For addressing the above problem, the present invention adopts following technical scheme: air-cooler tube side method of coating:
One, use starting material:
1, organic solvent: gasoline; Kerosene; Turps; Dimethylbenzene; Acetone; Trichloroethane;
2, chemical feedstocks: sodium hydroxide; Hydrochloric acid; Activator; Passivator;
3, plating solution raw materials: single nickel salt, inferior sodium phosphate; Sodium acetate.
Two,------------------------------------------------far infrared drying---hole sealing agent processing---packs and waits to dispatch from the factory steaming out recirculation bath filter Warm water circulation Passivation Treatment activation treatment acid pickling and rust removing hot water circulation in the coating detection in plating bath discharging recovery in the plating bath adjustment to detect analysis in the plating bath circulation in the warm water neutralization to remove greasy dirt in whole technical process: equipment tube side connection;
Three, construction procedure:
(1): the equipment tube side connects, pipeline is connected between each technology groove and the equipment tube side, make the tube side formation connection between the pump valve group that respectively circulates, make degreaser, pickle solution, activation solution, passivating solution, plating bath, steam, hole sealing agent and tank mesh duct form process stream capable of circulation and connect;
(2): each technique tank liquor is prepared, and degreaser tank liquor, pickle solution tank liquor, activation solution tank liquor, passivator tank liquor, coating bath liquid, steam, hole sealing agent and fountain solution are converted sufficient tank liquor by 1.5 times of tube side pipeline demand;
(3): each tank liquor temperature preparation, 65 ℃ of degreaser tank liquors, 20 ℃ of pickle solution tank liquors, 20 ℃ of activation solution tank liquors, 20 ℃ of passivation tank liquors, 90 ℃ of plating baths, 160 ℃ of steam, hole sealing agent and recirculated water (normal temperature) are prepared.
(4): construction circulation beginning, the first step: remove greasy dirt 45min, in the second step warm water and 25min, the 3rd step pickling 20min, the 4th step activation 15min, in the 5th Buwen's water and 10min, the 6th step Passivation Treatment 15min, the 7th Buwen's water cycle 10min, the 8th step plating bath circulation 6-8 hour, this goes on foot every circulation 30min termination of pumping 10min, every circulation 120min rest point plating bath is adjusted, the 9th step steaming out 30min, and the tenth step coating detects, the 11 step far infrared drying 6min, the 12 step hole sealing agent is processed.
(5) seal to wait to check and accept and hand over.
The present invention is applied to steel air cooler pipe bundle tube side protection against corrosion coating in the devices such as oil, chemical industry, the corrosion of the special mediums such as this coating is high temperature resistant, anti-steam, anti-hydrogen sulfide, anti-chlorine ion.But this technology extension device is saved inspection (dimension) and is accomplished this more than 200% more than 200% work-ing life, and the reduction energy consumption is more than 200%, and saving resource consumes more than 200%, is a high-tech project that integrates environmental protection, energy-conservation, reduction of discharging, usefulness.
Technical feature: carbon steel pipe beam tube journey flow process (heat transfer tube inwall and bobbin carriage) formation is coated with (plating) layer, thereby reaches scale inhibition, media-resistant corrosion and promote thermal conduction effect, improve stable processing technique.
Embodiment
The below is described in detail the present invention with best embodiment.
Air-cooler tube side method of coating:
One, use starting material:
1, organic solvent: gasoline; Kerosene; Turps; Dimethylbenzene; Acetone; Trichloroethane;
2, chemical feedstocks: sodium hydroxide; Hydrochloric acid; Activator; Passivator;
3, plating solution raw materials: single nickel salt, inferior sodium phosphate; Sodium acetate.
Two,------------------------------------------------far infrared drying---hole sealing agent processing---packs and waits to dispatch from the factory steaming out recirculation bath filter Warm water circulation Passivation Treatment activation treatment acid pickling and rust removing hot water circulation in the coating detection in plating bath discharging recovery in the plating bath adjustment to detect analysis in the plating bath circulation in the warm water neutralization to remove greasy dirt in whole technical process: equipment tube side connection;
Three, construction procedure:
(1) the equipment tube side connects, pipeline is connected between each technology groove and the equipment tube side, make the tube side formation connection between the pump valve group that respectively circulates, make degreaser, pickle solution, activation solution, passivating solution, plating bath, steam, hole sealing agent and tank mesh duct form process stream capable of circulation and connect;
(2): each technique tank liquor is prepared, and degreaser tank liquor, pickle solution tank liquor, activation solution tank liquor, passivator tank liquor, coating bath liquid, steam, hole sealing agent and fountain solution are converted sufficient tank liquor by 1.5 times of tube side pipeline demand;
(3): each tank liquor temperature preparation, 65 ℃ of degreaser tank liquors, 20 ℃ of pickle solution tank liquors, 20 ℃ of activation solution tank liquors, 20 ℃ of passivation tank liquors, 90 ℃ of plating baths, 160 ℃ of steam, hole sealing agent and recirculated water (normal temperature) are prepared.
(4): construction circulation beginning, the first step: remove greasy dirt 45min, in the second step warm water and 25min, the 3rd step pickling 20min, the 4th step activation 15min, in the 5th Buwen's water and 10min, the 6th step Passivation Treatment 15min, the 7th Buwen's water cycle 10min, the 8th step plating bath circulation 6-8 hour, this goes on foot every circulation 30min termination of pumping 10min, every circulation 120min rest point plating bath is adjusted, the 9th step steaming out 30min, and the tenth step coating detects, the 11 step far infrared drying 6min, the 12 step hole sealing agent is processed.
(5) seal to wait to check and accept and hand over.
The present invention has successfully solved air-cooler ubiquity corrosion and scaling, Seepage, or often causes equipment high temperature, affects the technical barrier of the normal operation of device.But this technology extension device is saved the cost of overhaul more than 200% more than 200% work-ing life, reduces energy consumption more than 200%, and saving resource consumes more than 200%.
It should be noted that at last: obviously, above-described embodiment only is for example of the present invention clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being amplified out thus or change still are among protection scope of the present invention.
Claims (1)
1. air-cooler tube side method of coating, its characteristics are:
One, use starting material:
1, organic solvent: gasoline; Kerosene; Turps: dimethylbenzene; Acetone; Trichloroethane;
2, chemical feedstocks: sodium hydroxide; Hydrochloric acid; Activator; Passivator;
3, plating solution raw materials: single nickel salt, inferior sodium phosphate; Sodium acetate;
Two,------------------------------------------------far infrared drying---hole sealing agent processing---packs and waits to dispatch from the factory steaming out recirculation bath filter Warm water circulation Passivation Treatment activation treatment acid pickling and rust removing hot water circulation in the coating detection in plating bath discharging recovery in the plating bath adjustment to detect analysis in the plating bath circulation in the warm water neutralization to remove greasy dirt in whole technical process: equipment tube side connection;
Three, construction procedure:
(1): the equipment tube side connects, pipeline is connected between each technology groove and the equipment tube side, make the tube side formation connection between the pump valve group that respectively circulates, make degreaser, pickle solution, activation solution, passivating solution, plating bath, steam, hole sealing agent and tank mesh duct form process stream capable of circulation and connect;
(2): each technique tank liquor is prepared, and degreaser tank liquor, pickle solution tank liquor, activation solution tank liquor, passivator tank liquor, coating bath liquid, steam, hole sealing agent and fountain solution are converted sufficient tank liquor by 1.5 times of tube side pipeline demand;
(3): each tank liquor temperature preparation, 65 ℃ of degreaser tank liquors, 20 ℃ of pickle solution tank liquors, 20 ℃ of activation solution tank liquors, 20 ℃ of passivation tank liquors, 90 ℃ of plating baths, 160 ℃ of steam, hole sealing agent and normal temperature recirculated water are prepared;
(4): construction circulation beginning, the first step: remove greasy dirt 45min, second step hot water circulation 25min, the 3rd step pickling 20min, the 4th step activation 15min, in the 5th Buwen's water and 10min, the 6th step Passivation Treatment 15min, the 7th Buwen's water cycle 10min, the 8th step plating bath circulation 6-8 hour, this goes on foot every circulation 30min termination of pumping 10min, every circulation 120min rest point plating bath is adjusted, the 9th step steaming out 30min, and the tenth step coating detects, the 11 step far infrared drying 6min, the 12 step hole sealing agent is processed;
(5) seal to wait to check and accept and hand over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210154594 CN102644070B (en) | 2012-05-18 | 2012-05-18 | Tube pass-plating method for air cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210154594 CN102644070B (en) | 2012-05-18 | 2012-05-18 | Tube pass-plating method for air cooler |
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| CN102644070A CN102644070A (en) | 2012-08-22 |
| CN102644070B true CN102644070B (en) | 2013-10-16 |
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| CN 201210154594 Active CN102644070B (en) | 2012-05-18 | 2012-05-18 | Tube pass-plating method for air cooler |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106011879A (en) * | 2016-07-01 | 2016-10-12 | 百色学院 | Chemical derusting method of tube |
| CN110102545B (en) * | 2019-05-25 | 2022-03-22 | 上海臻友设备工程技术有限公司 | Protection method for compressor cooling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172866A (en) * | 1997-07-11 | 1998-02-11 | 许文庆 | Anticorrosive method for cold exchange equipment |
| CN101008083A (en) * | 2007-01-19 | 2007-08-01 | 广东万家乐燃气具有限公司 | Preparation method of anticorrosion film of energy-saving type heater condenser |
| CN101736349A (en) * | 2008-11-20 | 2010-06-16 | 中国神华能源股份有限公司 | Pickling method and pickling device of low-temperature multi-effect sea water desalting equipment |
| CN201543616U (en) * | 2009-10-13 | 2010-08-11 | 天津钢管集团股份有限公司 | Chemical cleaning device for closed-loop circulating cooling water |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2603895B2 (en) * | 1992-10-28 | 1997-04-23 | 東京都 | Treatment of hypophosphite ions in plating aging solution |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172866A (en) * | 1997-07-11 | 1998-02-11 | 许文庆 | Anticorrosive method for cold exchange equipment |
| CN101008083A (en) * | 2007-01-19 | 2007-08-01 | 广东万家乐燃气具有限公司 | Preparation method of anticorrosion film of energy-saving type heater condenser |
| CN101736349A (en) * | 2008-11-20 | 2010-06-16 | 中国神华能源股份有限公司 | Pickling method and pickling device of low-temperature multi-effect sea water desalting equipment |
| CN201543616U (en) * | 2009-10-13 | 2010-08-11 | 天津钢管集团股份有限公司 | Chemical cleaning device for closed-loop circulating cooling water |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平6-136549A 1994.05.17 |
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