CN103712515A - Method for cleaning aluminum plate-fin heat exchanger - Google Patents
Method for cleaning aluminum plate-fin heat exchanger Download PDFInfo
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- CN103712515A CN103712515A CN201310737615.8A CN201310737615A CN103712515A CN 103712515 A CN103712515 A CN 103712515A CN 201310737615 A CN201310737615 A CN 201310737615A CN 103712515 A CN103712515 A CN 103712515A
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Abstract
The invention discloses a method for cleaning an aluminum plate-fin heat exchanger. The method includes the following steps of a, alkali liquor preparation, wherein a sodium hydroxide solution is selected to be used as an alkali liquor, the concentration of the sodium hydroxide solution is controlled to be 12-15mol/L, and the temperature of the sodium hydroxide solution is controlled to be 60-80 DEG C; b, acid liquor preparation, wherein a salpeter solution is selected to be used as an acid liquor, the concentration of the salpeter solution is controlled to be 8-10mol/L, and the temperature of the salpeter solution is the normal temperature; c, degreasing, wherein grease on the surface of a part is removed; d, cleaning, wherein the part after being degreased is immersed into the sodium hydroxide solution, the time is controlled to be 40-180s, the part is washed through clear water after being taken out, the washed part is immersed into the salpeter solution, the time is controlled to be 8-10min, and after the part is taken out, the part is washed through clear water; e, drying, wherein the cleaned part is dried. Compared with a traditional mechanical high pressure water cleaning mode, the method for cleaning the aluminum plate-fin heat exchanger can not damage the part, can effectively remove oil stains on the part and is good in cleaning effect.
Description
Technical field
The present invention relates to a kind of cleaning method of heat exchanger, relate in particular to a kind of cleaning method of aluminum plate-fin heat exchanger.
Background technology
Heat exchanger is the equipment of cold fluid that the part heat of hot fluid is passed to, and claims again heat exchanger; Heat exchanger is the common apparatus of chemical industry, oil, power, food and other many industrial departments, occupies aborning critical role.
Aluminum plate-fin heat exchanger is a kind of of heat exchanger, this kind of heat exchanger, before assembling, needs cleaning-drying, and traditional cleaning method adopts the mode of machinery, water under high pressure more, the defect of this kind of cleaning way is: in processing procedure, understand part of damage, thereby have influence on quality and the performance of heat exchanger.
Summary of the invention
The object of the present invention is to provide a kind of cleaning method of aluminum plate-fin heat exchanger, adopt the cleaning way of machinery, water under high pressure more to solve existing aluminum plate-fin heat exchanger, fragile part, affects the problem of heat exchanger quality and performance.
The object of the invention is to be achieved through the following technical solutions:
A cleaning method for aluminum plate-fin heat exchanger, comprises the following steps:
A, alkali lye preparation: choosing sodium hydroxide solution is alkali lye, and concentration is controlled at 12～15mol/L, and temperature is controlled at 60～80 ℃;
B, acid solution preparation: choosing salpeter solution is acid solution, and concentration is controlled at 8～10mol/L, and temperature is normal temperature;
C, degreasing: remove piece surface grease;
D, cleaning: the part after degreasing is immersed in sodium hydroxide solution, and the time is controlled at 40～180s, rinse with clear water after taking-up, and the part after rinsing is immersed in salpeter solution, and the time is controlled at 8～10min, takes out and rinses with clear water;
E, oven dry: the part after cleaning is dried.
Preferably, in described step c, part is immersed and is equipped with in the oil groove of kerosene, remove surperficial grease.
Preferably, the not clean place of part acetone soln wiped clean in described steps d.
Preferably, in described step e, adopt baking oven that part is dried, temperature is controlled at 80～100 ℃.
Beneficial effect of the present invention is: the cleaning method of described aluminum plate-fin heat exchanger is compared to the cleaning way of tradition machinery, water under high pressure, and it can part of damage, and can effectively remove the oil stain on part, and cleaning performance is good.
The specific embodiment
Below by the specific embodiment, further illustrate technical scheme of the present invention.
Embodiment 1
In the present embodiment, a kind of cleaning method of aluminum plate-fin heat exchanger, comprises the following steps:
A, alkali lye preparation: choosing sodium hydroxide solution is alkali lye, and concentration is controlled at 12mol/L, and temperature is controlled at 60 ℃;
B, acid solution preparation: choosing salpeter solution is acid solution, and concentration is controlled at 8mol/L, and temperature is normal temperature;
C, degreasing: part is immersed and is equipped with in the oil groove of kerosene, remove piece surface grease;
D, cleaning: the part after degreasing is immersed in sodium hydroxide solution, and the time is controlled at 40s, after taking-up, with clear water, rinses, part after rinsing is immersed in salpeter solution, time is controlled at 8min, takes out with clear water and rinses, not clean place acetone soln wiped clean;
E, oven dry: the part after cleaning is put into baking oven and dry, temperature is 80 ℃.
Embodiment 2
In the present embodiment, a kind of cleaning method of aluminum plate-fin heat exchanger, comprises the following steps:
A, alkali lye preparation: choosing sodium hydroxide solution is alkali lye, and concentration is controlled at 13.5mol/L, and temperature is controlled at 70 ℃;
B, acid solution preparation: choosing salpeter solution is acid solution, and concentration is controlled at 9mol/L, and temperature is normal temperature;
C, degreasing: part is immersed and is equipped with in the oil groove of kerosene, remove piece surface grease;
D, cleaning: the part after degreasing is immersed in sodium hydroxide solution, and the time is controlled at 110s, after taking-up, with clear water, rinses, part after rinsing is immersed in salpeter solution, time is controlled at 9min, takes out with clear water and rinses, not clean place acetone soln wiped clean;
E, oven dry: the part after cleaning is put into baking oven and dry, temperature is 90 ℃.
Embodiment 3
In the present embodiment, a kind of cleaning method of aluminum plate-fin heat exchanger, comprises the following steps:
A, alkali lye preparation: choosing sodium hydroxide solution is alkali lye, and concentration is controlled at 15mol/L, and temperature is controlled at 80 ℃;
B, acid solution preparation: choosing salpeter solution is acid solution, and concentration is controlled at 10mol/L, and temperature is normal temperature;
C, degreasing: part is immersed and is equipped with in the oil groove of kerosene, remove piece surface grease;
D, cleaning: the part after degreasing is immersed in sodium hydroxide solution, and the time is controlled at 180s, after taking-up, with clear water, rinses, part after rinsing is immersed in salpeter solution, time is controlled at 10min, takes out with clear water and rinses, not clean place acetone soln wiped clean;
E, oven dry: the part after cleaning is put into baking oven and dry, temperature is 100 ℃.
Above embodiment has just set forth basic principle of the present invention and characteristic; the present invention is not limited by above-described embodiment; without departing from the spirit and scope of the present invention, the present invention also has various variations and change, and these variations and change all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. a cleaning method for aluminum plate-fin heat exchanger, is characterized in that: comprise the following steps:
A, alkali lye preparation: choosing sodium hydroxide solution is alkali lye, and concentration is controlled at 12～15mol/L, and temperature is controlled at 60～80 ℃;
B, acid solution preparation: choosing salpeter solution is acid solution, and concentration is controlled at 8～10mol/L, and temperature is normal temperature;
C, degreasing: remove piece surface grease;
D, cleaning: the part after degreasing is immersed in sodium hydroxide solution, and the time is controlled at 40～180s, rinse with clear water after taking-up, and the part after rinsing is immersed in salpeter solution, and the time is controlled at 8～10min, takes out and rinses with clear water;
E, oven dry: the part after cleaning is dried.
2. the cleaning method of aluminum plate-fin heat exchanger according to claim 1, is characterized in that: in described step c, part is immersed and is equipped with in the oil groove of kerosene, remove surperficial grease.
3. the cleaning method of aluminum plate-fin heat exchanger according to claim 1, is characterized in that: the not clean place of part acetone soln wiped clean in described steps d.
4. the cleaning method of aluminum plate-fin heat exchanger according to claim 1, is characterized in that: in described step e, adopt baking oven that part is dried, temperature is controlled at 80～100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737615.8A CN103712515A (en) | 2013-12-27 | 2013-12-27 | Method for cleaning aluminum plate-fin heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737615.8A CN103712515A (en) | 2013-12-27 | 2013-12-27 | Method for cleaning aluminum plate-fin heat exchanger |
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| CN103712515A true CN103712515A (en) | 2014-04-09 |
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| CN201310737615.8A Pending CN103712515A (en) | 2013-12-27 | 2013-12-27 | Method for cleaning aluminum plate-fin heat exchanger |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080890A (en) * | 2014-05-21 | 2015-11-25 | 中国科学院大连化学物理研究所 | Maintenance method for air cooling fan for wind driven generator |
| CN109746224A (en) * | 2019-02-22 | 2019-05-14 | 常州爱克普换热器有限公司 | A kind of ultrasonic cleaning process of plate fin heat-exchanging device assembly |
| CN110160392A (en) * | 2019-05-29 | 2019-08-23 | 佛山市海天（江苏）调味食品有限公司 | A kind of on-line cleaning method of plate heat exchanger |
| CN112964124A (en) * | 2021-04-09 | 2021-06-15 | 杭州制氧机集团股份有限公司 | Automatic cleaning device for heat transfer fins of aluminum plate-fin heat exchanger |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775608A (en) * | 2010-03-05 | 2010-07-14 | 邓伟明 | Method and device for cleaning aluminum alloy radiating fin |
| CN102114484A (en) * | 2010-01-04 | 2011-07-06 | 上海佳田药用包装有限公司 | Cleaning method of aluminium hard tube |
| CN102538567A (en) * | 2012-03-01 | 2012-07-04 | 无锡市豫达换热器有限公司 | Surface corrosion preventing method for aluminium plate-fin heat exchanger |
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2013
- 2013-12-27 CN CN201310737615.8A patent/CN103712515A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114484A (en) * | 2010-01-04 | 2011-07-06 | 上海佳田药用包装有限公司 | Cleaning method of aluminium hard tube |
| CN101775608A (en) * | 2010-03-05 | 2010-07-14 | 邓伟明 | Method and device for cleaning aluminum alloy radiating fin |
| CN102538567A (en) * | 2012-03-01 | 2012-07-04 | 无锡市豫达换热器有限公司 | Surface corrosion preventing method for aluminium plate-fin heat exchanger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080890A (en) * | 2014-05-21 | 2015-11-25 | 中国科学院大连化学物理研究所 | Maintenance method for air cooling fan for wind driven generator |
| CN109746224A (en) * | 2019-02-22 | 2019-05-14 | 常州爱克普换热器有限公司 | A kind of ultrasonic cleaning process of plate fin heat-exchanging device assembly |
| CN110160392A (en) * | 2019-05-29 | 2019-08-23 | 佛山市海天（江苏）调味食品有限公司 | A kind of on-line cleaning method of plate heat exchanger |
| CN110160392B (en) * | 2019-05-29 | 2021-04-02 | 佛山市海天（江苏）调味食品有限公司 | Online cleaning method for plate heat exchanger |
| CN112964124A (en) * | 2021-04-09 | 2021-06-15 | 杭州制氧机集团股份有限公司 | Automatic cleaning device for heat transfer fins of aluminum plate-fin heat exchanger |
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Address after: 214092 Jiangsu Province, Wuxi City Binhu District biomedical industrial park Xiaguang Road No. 5 Applicant after: WUXI JIALONG HEAT EXCHANGER STOCK COMPANY LTD. Address before: 214092 Jiangsu Province, Wuxi City Binhu District biomedical industrial park Xiaguang Road No. 5 Applicant before: WUXI JIALONG HEAT-EXCHANGER MANUFACTURING CO., LTD. |
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Free format text: CORRECT: APPLICANT; FROM: WUXI JIALONG HEAT EXCHANGER MANUFACTURING CO., LTD. TO: WUXI JIALONG HEATEXCHANGER STOCK COMPANY LTD. |
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Application publication date: 20140409 |