CN104726883A - Method for removing oxide skin on surface of stainless steel and pickling solution adopted by method - Google Patents
Method for removing oxide skin on surface of stainless steel and pickling solution adopted by method Download PDFInfo
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- CN104726883A CN104726883A CN201510145887.8A CN201510145887A CN104726883A CN 104726883 A CN104726883 A CN 104726883A CN 201510145887 A CN201510145887 A CN 201510145887A CN 104726883 A CN104726883 A CN 104726883A
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 49
- 239000010935 stainless steel Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005554 pickling Methods 0.000 title claims abstract description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 24
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000243 solution Substances 0.000 claims abstract description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002253 acid Substances 0.000 claims abstract description 14
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 claims abstract description 12
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000019864 coconut oil Nutrition 0.000 claims abstract description 11
- 239000003240 coconut oil Substances 0.000 claims abstract description 11
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 11
- 239000000194 fatty acid Substances 0.000 claims abstract description 11
- 229930195729 fatty acid Natural products 0.000 claims abstract description 11
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 11
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 10
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 claims abstract description 9
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000005282 brightening Methods 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 239000000467 phytic acid Substances 0.000 claims abstract description 9
- 229940068041 phytic acid Drugs 0.000 claims abstract description 9
- 235000002949 phytic acid Nutrition 0.000 claims abstract description 9
- 229940116315 oxalic acid Drugs 0.000 claims abstract description 8
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229960004106 citric acid Drugs 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- 235000015165 citric acid Nutrition 0.000 claims abstract description 6
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011664 nicotinic acid Substances 0.000 claims abstract description 6
- 235000001968 nicotinic acid Nutrition 0.000 claims abstract description 6
- 229960003512 nicotinic acid Drugs 0.000 claims abstract description 6
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 6
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims abstract description 6
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims abstract description 6
- 239000004202 carbamide Substances 0.000 claims abstract description 5
- 238000005516 engineering process Methods 0.000 claims description 18
- 235000021110 pickles Nutrition 0.000 claims description 18
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims description 9
- 239000013543 active substance Substances 0.000 claims description 9
- -1 polyoxyethylene nonylphenol Polymers 0.000 claims description 9
- 239000001117 sulphuric acid Substances 0.000 claims description 9
- 235000011149 sulphuric acid Nutrition 0.000 claims description 9
- YCPXWRQRBFJBPZ-UHFFFAOYSA-N 5-sulfosalicylic acid Chemical compound OC(=O)C1=CC(S(O)(=O)=O)=CC=C1O YCPXWRQRBFJBPZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 6
- 239000004519 grease Substances 0.000 abstract description 2
- 239000003112 inhibitor Substances 0.000 abstract 2
- 239000004094 surface-active agent Substances 0.000 abstract 2
- WXHLLJAMBQLULT-UHFFFAOYSA-N 2-[[6-[4-(2-hydroxyethyl)piperazin-1-yl]-2-methylpyrimidin-4-yl]amino]-n-(2-methyl-6-sulfanylphenyl)-1,3-thiazole-5-carboxamide;hydrate Chemical compound O.C=1C(N2CCN(CCO)CC2)=NC(C)=NC=1NC(S1)=NC=C1C(=O)NC1=C(C)C=CC=C1S WXHLLJAMBQLULT-UHFFFAOYSA-N 0.000 abstract 1
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 abstract 1
- 229960001484 edetic acid Drugs 0.000 abstract 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 abstract 1
- 229940051841 polyoxyethylene ether Drugs 0.000 abstract 1
- 229920000056 polyoxyethylene ether Polymers 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 229940032330 sulfuric acid Drugs 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a stainless steel surface oxide skin removing method and a pickling solution adopted by the method, wherein the pickling solution is an aqueous solution consisting of the following components in concentration: 100-300 mL/L of dilute sulfuric acid, 1-5 g/L of auxiliary acid, 1-5 g/L of surfactant, 1-5 g/L of brightener and 1-5 g/L of corrosion inhibitor. The auxiliary acid is one of citric acid, oxalic acid, nicotinic acid and phytic acid, the surfactant is coconut oil fatty acid and/or nonylphenol polyoxyethylene ether, the brightening agent is sodium hexametaphosphate or ethylene diamine tetraacetic acid, and the corrosion inhibitor is one of sulfosalicylic acid, thiourea, urotropine and urea. The pickling solution disclosed by the invention is environment-friendly, can prevent over-corrosion to a stainless steel substrate, and especially can remove grease on the surface of the stainless steel at the same time.
Description
Technical field
The invention belongs to field of metal surface treatment technology, be specifically related to the pickle solution of a kind of Stainless Steel Watch surface oxidized skin minimizing technology and employing thereof.
Background technology
Stainless steel, due to the corrosion resisting property of its excellence, obtains and applies extremely widely in industrial production and daily life.But stainless steel is in molding process, inevitably to, through different heat treatment processes, as annealing, quenching, welding, forging etc., stainless steel surface can be caused like this to produce the oxide skin of one deck black.The existence of oxide skin, not only have impact on stainless steel visual appearance, and stainless postorder processing is had an impact, therefore must be removed before postorder processing, this is for keeping the bright and clean of stainless steel surface, and the work-ing life extending part has important practical significance.
Traditional Stainless Steel Cleaner is mainly with the acidic cleaner that the severe corrosive such as nitric acid, hydrochloric acid strong acid is main corrosion composition, this kind of clean-out system can produce a large amount of acid mists in the process removing Stainless Steel Watch surface oxidized skin, works the mischief to environment and human health.
Also occur at present taking phosphoric acid, sulfuric acid, hydrofluoric acid etc. as the acidic cleaner of main corrosion composition.But P contained compound can cause water pollution, causes the contamination phenomenon such as red tide, and fluorochemicals also has certain pollution to environment.Sulfuric acid then belongs to environmentally friendly acidic cleaner, but its poor effect be used alone.
Summary of the invention
An object of the present invention is to solve the problem, and provides one not only environmentally safe, and result of use good Stainless Steel Watch surface oxidized skin minimizing technology.
Another object of the present invention is to the pickle solution providing aforesaid method to adopt.
The technical scheme realizing one of the object of the invention is: a kind of Stainless Steel Watch surface oxidized skin minimizing technology, it stainless steel product is put into pickle solution process 10 ~ 60min, to remove the oxide skin of stainless steel surface, then the stainless steel product after pickling taken out and put into deionized water for ultrasonic cleaning 5 ~ 15min, finally the stainless steel product after cleaning being taken out and dry; The aqueous solution that described pickle solution is made up of the component of following concentration: dilute sulphuric acid 100 ~ 300mL/L, auxiliary acid 1 ~ 5g/L, tensio-active agent 1 ~ 5g/L, brightening agent 1 ~ 5g/L, inhibiter 1 ~ 5g/L.
The concentration of dilute sulphuric acid is 15wt% ~ 30wt%.
Described auxiliary acid is the one in citric acid, oxalic acid, nicotinic acid and phytic acid, preferred phytic acid.
Described tensio-active agent is coco-nut oil fatty acid and/or polyoxyethylene nonylphenol ether, preferred coco-nut oil fatty acid and polyoxyethylene nonylphenol ether.
Described brightening agent is Sodium hexametaphosphate 99 or ethylenediamine tetraacetic acid (EDTA) (EDTA).
Described inhibiter is the one in sulphosalicylic acid, thiocarbamide, urotropine (vulkacit H) and urea.
The technical scheme realizing another object of the present invention is: the pickle solution that a kind of Stainless Steel Watch surface oxidized skin minimizing technology adopts, the aqueous solution that it is made up of the component of following concentration: dilute sulphuric acid 100 ~ 300mL/L, auxiliary acid 1 ~ 5g/L, tensio-active agent 1 ~ 5g/L, brightening agent 1 ~ 5g/L, inhibiter 1 ~ 5g/L.
The concentration of dilute sulphuric acid is 15wt% ~ 30wt%.
Described auxiliary acid is the one in citric acid, oxalic acid, nicotinic acid and phytic acid, preferred phytic acid.
Described tensio-active agent is coco-nut oil fatty acid and/or polyoxyethylene nonylphenol ether, preferred coco-nut oil fatty acid and polyoxyethylene nonylphenol ether.
Described brightening agent is Sodium hexametaphosphate 99 or ethylenediamine tetraacetic acid (EDTA) (EDTA).
Described inhibiter is the one in sulphosalicylic acid, thiocarbamide, urotropine (vulkacit H) and urea.
The positively effect that the present invention has: (1) pickle solution of the present invention adopts dilute sulphuric acid as main corrosion composition, avoid the problem of the environmental pollutions such as nitric acid, hydrochloric acid, phosphoric acid, hydrofluoric acid on the one hand, the excessive erosion to stainless steel base can also be prevented on the other hand.(2) pickle solution of the present invention by add the environmentally friendly auxiliary acid such as citric acid, oxalic acid, nicotinic acid, phytic acid and sulfuric acid with the use of, solve the problem being used alone sulfuric acid poor effect, the stainless steel surface after cleaning can be made smooth, and there is good luminance brightness.(3) pickle solution of the present invention can also remove the grease of stainless steel surface in the process removing Stainless Steel Watch surface oxidized skin by interpolation coco-nut oil fatty acid and/or polyoxyethylene nonylphenol ether, oil removing is completed with removal surface scale simultaneously, simplifies treatment process.
Accompanying drawing explanation
Fig. 1 is the metaloscope photo of the stainless steel surface after the method process of embodiment 1.
Fig. 2 is the metaloscope photo of the stainless steel surface after the method process of embodiment 2.
Fig. 3 is the metaloscope photo of the stainless steel surface after the method process of embodiment 3.
Embodiment
(embodiment 1)
The Stainless Steel Watch surface oxidized skin minimizing technology of the present embodiment is as follows:
Stainless steel product is put into pickle solution normal temperature (15 ~ 25 DEG C, lower same) process 30min, to remove the oxide skin of stainless steel surface, then stainless steel product is taken out and puts into deionized water and carry out ultrasonic cleaning 15min, finally stainless steel product is taken out hot blast drying.
The aqueous solution that the pickle solution of the present embodiment is made up of the component of following concentration: dilute sulphuric acid 200mL/L, oxalic acid 3g/L, coco-nut oil fatty acid 3g/L, Sodium hexametaphosphate 99 3g/L, urotropine 3g/L.The concentration of dilute sulphuric acid is 30wt%.
Fig. 1 is shown in by the metaloscope photo of the stainless steel surface after the present embodiment process.
(embodiment 2 ~ embodiment 3)
Each embodiment is substantially the same manner as Example 1, and difference is in table 1.The metaloscope photo of the stainless steel surface after each embodiment process is shown in Fig. 2 and Fig. 3 respectively.
Table 1
| Auxiliary acid | Tensio-active agent | |
| Embodiment 1 | 3g/L oxalic acid | 3g/L coco-nut oil fatty acid |
| Embodiment 2 | 3g/L citric acid | 3g/L polyoxyethylene nonylphenol ether |
| Embodiment 3 | 3g/L phytic acid | 1.5g/L coco-nut oil fatty acid+1.5g/L polyoxyethylene nonylphenol ether |
As can be seen from Fig. 1 ~ Fig. 3, the stainless steel surface best results after the method process of embodiment 3.
Claims (10)
1. a Stainless Steel Watch surface oxidized skin minimizing technology, it stainless steel product is put into pickle solution process 10 ~ 60min, to remove the oxide skin of stainless steel surface, then the stainless steel product after pickling taken out and put into deionized water for ultrasonic cleaning 5 ~ 15min, finally the stainless steel product after cleaning being taken out and dry;
It is characterized in that the aqueous solution that described pickle solution is made up of the component of following concentration: dilute sulphuric acid 100 ~ 300mL/L, auxiliary acid 1 ~ 5g/L, tensio-active agent 1 ~ 5g/L, brightening agent 1 ~ 5g/L, inhibiter 1 ~ 5g/L.
2. Stainless Steel Watch surface oxidized skin minimizing technology according to claim 1, is characterized in that: described auxiliary acid is the one in citric acid, oxalic acid, nicotinic acid and phytic acid.
3. Stainless Steel Watch surface oxidized skin minimizing technology according to claim 1, is characterized in that: described tensio-active agent is coco-nut oil fatty acid and/or polyoxyethylene nonylphenol ether.
4. Stainless Steel Watch surface oxidized skin minimizing technology according to claim 1, is characterized in that: described brightening agent is Sodium hexametaphosphate 99 or ethylenediamine tetraacetic acid (EDTA).
5. Stainless Steel Watch surface oxidized skin minimizing technology according to claim 1, is characterized in that: described inhibiter is the one in sulphosalicylic acid, thiocarbamide, urotropine and urea.
6. the pickle solution of a Stainless Steel Watch surface oxidized skin minimizing technology employing, it is characterized in that the aqueous solution that it is made up of the component of following concentration: dilute sulphuric acid 100 ~ 300mL/L, auxiliary acid 1 ~ 5g/L, tensio-active agent 1 ~ 5g/L, brightening agent 1 ~ 5g/L, inhibiter 1 ~ 5g/L.
7. the pickle solution of Stainless Steel Watch surface oxidized skin minimizing technology employing according to claim 6, is characterized in that: described auxiliary acid is the one in citric acid, oxalic acid, nicotinic acid and phytic acid.
8. the pickle solution of Stainless Steel Watch surface oxidized skin minimizing technology employing according to claim 6, is characterized in that: described tensio-active agent is coco-nut oil fatty acid and/or polyoxyethylene nonylphenol ether.
9. the pickle solution of Stainless Steel Watch surface oxidized skin minimizing technology employing according to claim 6, is characterized in that: described brightening agent is Sodium hexametaphosphate 99 or ethylenediamine tetraacetic acid (EDTA).
10. the pickle solution of Stainless Steel Watch surface oxidized skin minimizing technology employing according to claim 6, is characterized in that: described inhibiter is the one in sulphosalicylic acid, thiocarbamide, urotropine and urea.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145887.8A CN104726883A (en) | 2015-03-30 | 2015-03-30 | Method for removing oxide skin on surface of stainless steel and pickling solution adopted by method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510145887.8A CN104726883A (en) | 2015-03-30 | 2015-03-30 | Method for removing oxide skin on surface of stainless steel and pickling solution adopted by method |
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| CN104988521A (en) * | 2015-08-07 | 2015-10-21 | 攀钢集团西昌钢钒有限公司 | Corrosion inhibitor for pickling of hot rolling automobile structural steel and preparation and using methods thereof |
| CN104984951A (en) * | 2015-06-30 | 2015-10-21 | 苏州华日金菱机械有限公司 | Method for cleaning rusted duct by means of ultrasonic waves |
| CN105696001A (en) * | 2016-03-09 | 2016-06-22 | 博罗县东明化工有限公司 | Rust removing and preventing agent |
| CN105887101A (en) * | 2016-04-21 | 2016-08-24 | 广州恩源化工科技有限公司 | Rapid acid oil removing liquid used for metal surface |
| CN106637374A (en) * | 2016-12-27 | 2017-05-10 | 常州工程职业技术学院 | Carbon steel pickling solution, and applications thereof |
| CN106757076A (en) * | 2016-12-17 | 2017-05-31 | 中山市浩瑞洗涤科技有限公司 | A kind of special acidic cleaner of stainless steel and its preparation method and application |
| CN107779882A (en) * | 2017-11-09 | 2018-03-09 | 合肥华清金属表面处理有限责任公司 | A kind of stainless steel oxidation skin is without three acid cleaners and its cleaning method |
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| CN104988521A (en) * | 2015-08-07 | 2015-10-21 | 攀钢集团西昌钢钒有限公司 | Corrosion inhibitor for pickling of hot rolling automobile structural steel and preparation and using methods thereof |
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Application publication date: 20150624 |