CN104060282A - Spring rust cleaning liquid and rust cleaning process - Google Patents
Spring rust cleaning liquid and rust cleaning process Download PDFInfo
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- CN104060282A CN104060282A CN201410226664.XA CN201410226664A CN104060282A CN 104060282 A CN104060282 A CN 104060282A CN 201410226664 A CN201410226664 A CN 201410226664A CN 104060282 A CN104060282 A CN 104060282A
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Abstract
The invention relates to rust cleaning liquid used for cleaning rust on the surface of a spring and a process adopting the dust cleaning liquid to clean rust for the spring. The spring rust cleaning liquid consists of the following components in percentage by weight: 25%-45% of phosphoric acid, 5%-10% of ethyoxyl alkyl sodium sulfate, 30%-50% of acetone, 8%-15% of catechol and the balance of deionized water. The spring rust cleaning liquid is utilized to carry out rust cleaning on the spring, so that greasy dirt and a rust layer on the surface of the spring can be removed at the same time, a phosphating film also can be generated on the spring surface, and therefore, the process is simplified; the process is free of environmental pollution, free of any harm on operation staff, low in cost, high in rust-cleaning speed, free of corrosion on spring, long in rust-preventing time, and capable of strengthening binding force between the metal surface and the paint.
Description
Technical field
The technique that the present invention relates to a kind of rust removing solution for spring surface derusting and adopt this rust removing solution to eliminate rust to spring, is specifically related to a kind of formula and derusting process thereof of rust removing solution, belongs to anti-corrosion of metal or rust cleaning technical field.
Background technology
Spring, in mechanical workout and subsequent handling, is subject to the impact of temperature in atmospheric environment, humidity and air dielectric, is prone to corrosion, and serious corrosion may affect the spring surface quality of subsequent handling such as electroplate, spray paint.Although being coated with slushing oil, machining spring surface can realize antirust object, but need to remove with gasoline equal solvent the oil film on spring surface subsequent handling (as electroplated, spray paint etc.) is front, and the inflammableness of gasoline and easy volatile, bring potential safety hazard to Workshop Production, also increased the consumption of oily resource simultaneously.Soaking aqueous rust preventive is also the rust-proofing method that inter process is conventional, but conventional aqueous rust preventive contains the compositions such as chromic salt, nitrite more, and these compositions are larger to environmental hazard, and use is restricted.
Summary of the invention
The defect existing in order to overcome prior art, the invention provides the spring rust removing solution of a kind of safety, environmental protection and remove spring surface and oil contaminant simultaneously and rusty scale, at the derusting process of spring Surface Creation phosphatize phosphate coat.
The technical problem to be solved in the present invention is achieved through the following technical solutions:
A kind of spring rust removing solution, comprises following component according to weight percent: phosphoric acid 25～45%, and oxyethyl group alkyl sodium sulfate 5%～10%, acetone 30%～50%, pyrocatechol 8%～15%, all the other are deionized water.
Preferably, described rust removing solution comprises following component according to weight percent: phosphoric acid 30%～40%, and oxyethyl group alkyl sodium sulfate 6%～9%, acetone 35%～45%, pyrocatechol 10%～14%, all the other are deionized water.
Preferably, described spring rust removing solution also comprises nickelous phosphate or zinc phosphate.
The present invention also provides a kind of technique of utilizing spring rust removing solution described above to eliminate rust to spring, and described technique comprises the steps:
(1) gasoline, acetone etc. for spring are cleaned to oil removing;
(2) spring is immersed in rust removing solution to 3～6 minutes;
(3) use deionized water rinsing spring 1～3 minute;
(4) carry out immediately neutralizing treatment: spring is immersed in 1～3% aqueous sodium carbonate approximately 1～5 minute;
(5) Passivation Treatment: spring is immersed to the potassium bichromate solution that concentration is 2～4 grams per liters, be heated to 80 DEG C～90 DEG C, soak after 2～5 minutes and take out;
(6) with deionized water rinsing spring, dry.
Preferably, described Passivation Treatment is carried out in the mixed solution of potassium bichromate and phosphoric acid.
Preferably, the described mixed solution concentration of component that described Passivation Treatment is carried out at described mixed solution is: potassium bichromate 2～4 grams per liters, phosphatase 11～3 grams per liter, soaks 1-3 minute.
Preferably, while directly entering electrocoating paint electrophoresis after described being dried, can save.
Compared with prior art, the beneficial effect that the present invention has is: remove greasy dirt and the rusty scale on spring surface simultaneously, can, at spring Surface Creation phosphatize phosphate coat, simplify operation again; To operator without any injury, environmentally safe, use cost is low; And rust cleaning speed is fast, long to corrosion-free, the antirust time of spring, can strengthen the bonding force of metallic surface and japanning.
Embodiment
For the present invention is described better, be convenient to understand technical scheme of the present invention, typical but non-limiting embodiment of the present invention is as follows:
Embodiment 1
Allotment spring rust removing solution, this spring rust removing solution comprises following component according to weight percent: phosphoric acid 25%, oxyethyl group alkyl sodium sulfate 5%, acetone 20%, pyrocatechol 8%, all the other are deionized water.If comprise nickelous phosphate or zinc phosphate in this formula, better effects if.
The concrete technology that adopts above-mentioned spring rust removing solution to eliminate rust to spring is as follows: gasoline, acetone etc. for spring are cleaned oil removing by (1); (2) spring is immersed in rust removing solution to 3 minutes; (3) use deionized water rinsing spring 1 minute; (4) carry out immediately neutralizing treatment: spring is immersed in 1% aqueous sodium carbonate approximately 5 minutes; (5) Passivation Treatment: spring is immersed to the potassium bichromate solution that concentration is 2 grams per liters, be heated to 80 DEG C～90 DEG C and soak taking-up after 5 minutes; (6) rinse spring, dry with tap water, if can save while directly entering electrocoating paint electrophoresis after dry.The rust staining on spring surface all eliminates, and spring surface has obvious metalluster.
Embodiment 2
Allotment spring rust removing solution, this spring rust removing solution comprises following component according to weight percent: phosphatase 24 5%, oxyethyl group alkyl sodium sulfate 10%, acetone 30%, pyrocatechol 11.5%, all the other deionized waters.If comprise nickelous phosphate or zinc phosphate in this formula, better effects if.
The concrete technology that adopts above-mentioned spring rust removing solution to eliminate rust to spring is as follows: gasoline, acetone etc. for spring are cleaned oil removing by (1); (2) spring is immersed in rust removing solution to 6 minutes; (3) use deionized water rinsing spring 3 minutes; (4) carry out immediately neutralizing treatment: spring is immersed in 3% aqueous sodium carbonate approximately 1 minute; (5) Passivation Treatment: spring is immersed to the potassium bichromate solution that concentration is 4 grams per liters, be heated to 80 DEG C～90 DEG C and soak taking-up after 2 minutes; (6) rinse spring, dry with tap water, if can save while directly entering electrocoating paint electrophoresis after dry.The rust staining on spring surface all eliminates, and spring surface has obvious metalluster.
Embodiment 3
Allotment spring rust removing solution, this spring rust removing solution comprises following component according to weight percent: phosphoric acid 35%, oxyethyl group alkyl sodium sulfate 7.5%, acetone 40%, pyrocatechol 15%, all the other deionized waters.If comprise nickelous phosphate or zinc phosphate in this formula, better effects if.
The concrete technology that adopts above-mentioned spring rust removing solution to eliminate rust to spring is as follows: gasoline, acetone etc. for spring are cleaned oil removing by (1); (2) spring is immersed in rust removing solution to 4 minutes; (3) use deionized water rinsing spring 2 minutes; (4) carry out immediately neutralizing treatment: spring is immersed in 2% aqueous sodium carbonate approximately 3.5 minutes; (5) Passivation Treatment: spring is immersed to the potassium bichromate solution that concentration is 3 grams per liters, be heated to 80 DEG C～90 DEG C and soak taking-up after 3 minutes; (6) rinse spring, dry with tap water, if can save while directly entering electrocoating paint electrophoresis after dry.The rust staining on spring surface all eliminates, and spring surface has obvious metalluster.
Embodiment 4
Allotment spring rust removing solution, this spring rust removing solution comprises following component according to weight percent: phosphoric acid 30%, oxyethyl group alkyl sodium sulfate 6%, acetone 25%, pyrocatechol 10%, all the other are deionized water.If comprise nickelous phosphate or zinc phosphate in this formula, better effects if.
The concrete technology that adopts above-mentioned spring rust removing solution to eliminate rust to spring is as follows: gasoline, acetone etc. for spring are cleaned oil removing by (1); (2) spring is immersed in rust removing solution to 3 minutes; (3) use deionized water rinsing spring 1 minute; (4) carry out immediately neutralizing treatment: spring is immersed in 1% aqueous sodium carbonate approximately 5 minutes; (5) Passivation Treatment: spring is immersed in the mixed solution of potassium bichromate and phosphoric acid and carry out, mixed solution concentration of component is preferably potassium bichromate 4 grams per liters, phosphatase 11 grams per liter, is heated to 80 DEG C～90 DEG C and soaks after 1 minute and take out; (6) rinse spring, dry with tap water.The rust staining on spring surface all eliminates, and spring surface has obvious metalluster.
Embodiment 5
Allotment spring rust removing solution, this spring rust removing solution comprises following component according to weight percent: phosphatase 24 0%, oxyethyl group alkyl sodium sulfate 9%, acetone 35%, pyrocatechol 14%, all the other are deionized water.If comprise nickelous phosphate or zinc phosphate in this formula, better effects if.
The concrete technology that adopts above-mentioned spring rust removing solution to eliminate rust to spring is as follows: gasoline, acetone etc. for spring are cleaned oil removing by (1); (2) spring is immersed in rust removing solution to 3 minutes; (3) use deionized water rinsing spring 1 minute; (4) carry out immediately neutralizing treatment: spring is immersed in 1% aqueous sodium carbonate approximately 5 minutes; (5) Passivation Treatment: spring is immersed in the mixed solution of potassium bichromate and phosphoric acid and carry out, mixed solution concentration of component is preferably potassium bichromate 2 grams per liters, phosphatase 11 grams per liter, is heated to 80 DEG C～90 DEG C and soaks after 3 minutes and take out; (6) rinse spring, dry with tap water, directly enter electrocoating paint electrophoresis afterwards if spring is dry, can save dry.The rust staining on spring surface all eliminates, and spring surface has obvious metalluster, surperficial smoother.
Embodiment 6
Allotment spring rust removing solution, this spring rust removing solution comprises following component according to weight percent: phosphoric acid 35%, oxyethyl group alkyl sodium sulfate 7.5%, acetone 30%, pyrocatechol 12%, all the other are deionized water.If comprise nickelous phosphate or zinc phosphate in this formula, better effects if.
The concrete technology that adopts above-mentioned spring rust removing solution to eliminate rust to spring is as follows: gasoline, acetone etc. for spring are cleaned oil removing by (1); (2) spring is soaked in people's rust removing solution to 4 minutes; (3) use deionized water rinsing spring 2 minutes; (4) carry out immediately neutralizing treatment: spring is immersed in 2% aqueous sodium carbonate approximately 3 minutes; (5) Passivation Treatment: spring is immersed in the mixed solution of potassium bichromate and phosphoric acid and carry out, mixed solution concentration of component is preferably potassium bichromate 2 grams per liters, phosphoric acid 2 grams per liters, are heated to 80 DEG C～90 DEG C and soak after 2 minutes and take out; ; (6) rinse spring, dry with tap water, if spring will carry out electrocoating paint electrophoretic process, can save dry.The rust staining on spring surface all eliminates, and spring surface has obvious metalluster, surperficial smoother.
As can be seen from the above embodiments, use spring deruster of the present invention to eliminate rust to spring, can remove at short notice steel surface rust staining and zone of oxidation, rust cleaning successful, safety and environmental protection, technical process are simple, and Financial cost is low.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. a spring rust removing solution, is characterized in that comprising following component according to weight percent: phosphoric acid 25～45%, and oxyethyl group alkyl sodium sulfate 5%～10%, acetone 20%～40%, pyrocatechol 8%～15%, all the other are deionized water.
2. spring rust removing solution according to claim 1, it is characterized in that comprising following component according to weight percent: phosphoric acid 30%～40%, oxyethyl group alkyl sodium sulfate 6%～9%, acetone 25%～35%, pyrocatechol 10%～14%, all the other are deionized water.
3. spring rust removing solution according to claim 1 and 2, is characterized in that: also comprise nickelous phosphate or zinc phosphate.
4. the derusting process that the spring rust removing solution of utilization as described in one of claim 1～3 carries out, is characterized in that, described technique comprises the steps:
(1) gasoline, acetone etc. for spring are cleaned to oil removing;
(2) spring is immersed in rust removing solution to 3～6 minutes;
(3) use deionized water rinsing spring 1～3 minute;
(4) carry out immediately neutralizing treatment: spring is immersed in 1～3% aqueous sodium carbonate approximately 1～5 minute;
(5) Passivation Treatment: spring is immersed to the potassium bichromate solution that concentration is 2～4 grams per liters, be heated to 80 DEG C～90 DEG C, soak after 2～5 minutes and take out;
(6) rinse spring, dry with tap water.
5. derusting process according to claim 4, is characterized in that: described Passivation Treatment is carried out in the mixed solution of potassium bichromate and phosphoric acid.
6. derusting process according to claim 5, is characterized in that: the described mixed solution concentration of component that described Passivation Treatment is carried out at described mixed solution is: potassium bichromate 2～4 grams per liters, phosphatase 11～3 grams per liter, soaks 1～3 minute.
7. derusting process according to claim 4, is characterized in that: while directly entering electrocoating paint electrophoresis after described being dried, can save.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226664.XA CN104060282A (en) | 2014-05-26 | 2014-05-26 | Spring rust cleaning liquid and rust cleaning process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410226664.XA CN104060282A (en) | 2014-05-26 | 2014-05-26 | Spring rust cleaning liquid and rust cleaning process |
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| CN104060282A true CN104060282A (en) | 2014-09-24 |
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| CN201410226664.XA Pending CN104060282A (en) | 2014-05-26 | 2014-05-26 | Spring rust cleaning liquid and rust cleaning process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350013A (en) * | 2015-11-26 | 2016-02-24 | 天津市强力链条有限公司 | Chain rust remover and rust removing process |
| CN105506654A (en) * | 2015-12-31 | 2016-04-20 | 安徽红桥金属制造有限公司 | Derusting processing process of spring steel |
| CN107604370A (en) * | 2017-09-07 | 2018-01-19 | 苏州浩焱精密模具有限公司 | A kind of metal-derusting liquid and preparation method thereof |
| CN109015122A (en) * | 2018-09-03 | 2018-12-18 | 安捷包装（苏州）股份有限公司 | A kind of rust prevention packaging method of metal product |
| CN111809174A (en) * | 2020-08-17 | 2020-10-23 | 常宁市福宏弹簧有限公司 | Spring surface treatment process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3706604A (en) * | 1971-01-20 | 1972-12-19 | Oxy Metal Finishing Corp | Process for the coating of metal |
| CN1038131A (en) * | 1989-03-20 | 1989-12-20 | 首钢东华机械厂 | Rust remover |
| CN102383121A (en) * | 2011-11-11 | 2012-03-21 | 江苏华程工业制管股份有限公司 | Rust-proof treatment method for steel parts |
| CN103668247A (en) * | 2013-12-20 | 2014-03-26 | 海安县吉程机械有限公司 | Efficient degreasing and rust removing solution |
-
2014
- 2014-05-26 CN CN201410226664.XA patent/CN104060282A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3706604A (en) * | 1971-01-20 | 1972-12-19 | Oxy Metal Finishing Corp | Process for the coating of metal |
| CN1038131A (en) * | 1989-03-20 | 1989-12-20 | 首钢东华机械厂 | Rust remover |
| CN102383121A (en) * | 2011-11-11 | 2012-03-21 | 江苏华程工业制管股份有限公司 | Rust-proof treatment method for steel parts |
| CN103668247A (en) * | 2013-12-20 | 2014-03-26 | 海安县吉程机械有限公司 | Efficient degreasing and rust removing solution |
Non-Patent Citations (1)
| Title |
|---|
| 翁元浩: ""国外铝和铝合金表面转化膜处理新工艺"", 《电镀与涂饰》, no. 3, 31 December 1987 (1987-12-31), pages 34 - 39 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350013A (en) * | 2015-11-26 | 2016-02-24 | 天津市强力链条有限公司 | Chain rust remover and rust removing process |
| CN105506654A (en) * | 2015-12-31 | 2016-04-20 | 安徽红桥金属制造有限公司 | Derusting processing process of spring steel |
| CN107604370A (en) * | 2017-09-07 | 2018-01-19 | 苏州浩焱精密模具有限公司 | A kind of metal-derusting liquid and preparation method thereof |
| CN109015122A (en) * | 2018-09-03 | 2018-12-18 | 安捷包装（苏州）股份有限公司 | A kind of rust prevention packaging method of metal product |
| CN111809174A (en) * | 2020-08-17 | 2020-10-23 | 常宁市福宏弹簧有限公司 | Spring surface treatment process |
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Application publication date: 20140924 |