CN104630798A - Acid-washing rust remover for carbon steel product and application method of acid-washing rust remover - Google Patents
Acid-washing rust remover for carbon steel product and application method of acid-washing rust remover Download PDFInfo
- Publication number
- CN104630798A CN104630798A CN201510061452.5A CN201510061452A CN104630798A CN 104630798 A CN104630798 A CN 104630798A CN 201510061452 A CN201510061452 A CN 201510061452A CN 104630798 A CN104630798 A CN 104630798A
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- China
- Prior art keywords
- carbon steel
- acid
- acid pickling
- rust removing
- rust
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
Abstract
The invention discloses an acid-washing rust remover for a carbon steel product such as a carbon steel pipeline, a carbon steel pipe, a carbon steel rectifying column and a carbon steel storage tank. The acid-washing rust remover is prepared from hydrochloric acid, a penetrating agent JFC, an organic silicon defoaming agent, an IS-129 corrosion inhibitor, a methyl red ethanol solution and water. The acid-washing rust remover has the advantages of being free of P and B components, good in environmental protection property and using effect and relatively high in speed when being used for acid washing and rust removal of steel carbon rectifying columns, carbon steel storage tanks, carbon steel pipelines, carbon steel pipes and the like of a polycrystalline silicon production enterprise; moreover, the carbon steel rectifying columns or the carbon steel storage tanks and the like need not to be subjected to abrasive blasting treatment before acid washing and rust removal; besides, after the steel carbon products are acid-washed and dust-removed, a passivated surface is free of surface dusting during neutralization.
Description
Technical field
The invention belongs to the preparing technical field of industrial cleaning agent product, relate to a kind of not containing the acid pickling and rust removing agent for carbon steel product and the application method thereof of P, B element, described carbon steel product comprises the products such as carbon steel piping, carbon steel pipe fitting, carbon steel rectifying tower and carbon steel storage tank.
Background technology
Acid pickling and rust removing agent is the product for carrying out acid pickling and rust removing to carbon steel piping, carbon steel pipe fitting or the product such as carbon steel rectifying tower, carbon steel storage tank.The traditional acid pickling and rust removing agent for above-mentioned product in current this area is " the three-in-one normal temperature rust remover of LX2000-007 " of Beijing blue star company.Use this normal temperature rust remover, sandblasting must be carried out to carbon steel rectifying tower or carbon steel storage tank etc., and this normal temperature rust remover when using when atmospheric moisture is larger carbon steel easily occur that (there is the material of one deck white on surface to dust phenomenon, touch with hand the white mass having one deck chalk dust the same to come off), affect the use of owner; In addition, because the component thing of " the three-in-one normal temperature rust remover of LX2000-007 " is based on phosphoric acid, and P, B element definitely can not be contained in production of polysilicon enterprise after explicitly calling for acid pickling and rust removing, therefore " the three-in-one normal temperature rust remover of LX2000-007 " is not suitable for the cleaning to production of polysilicon enterprise carbon steel rectifying tower, carbon steel storage tank yet.
Summary of the invention
The object of the invention is to solve prior art Problems existing, provide in a kind of raw material and do not contain the good acid pickling and rust removing agent for carbon steel product of P, B component, environmental-protecting performance and result of use, the application method of this acid pickling and rust removing agent is also provided simultaneously.
For achieving the above object and adopt technical solution as described below.
For an acid pickling and rust removing agent for carbon steel product, be made up of the raw material of substance of following weight per-cent:
All the other are water;
The preparation method of this acid pickling and rust removing agent is: first industrial concentrated hydrochloric acid pure water being diluted to concentration is 20-30%, limit is slowly stirred limit and is added penetrating agent JFC, then add the ethanolic soln of silicone antifoam agent, IS-129 type inhibiter and methyl red successively, after stirring packaging product.
Above-mentioned in the acid pickling and rust removing agent of carbon steel product, described silicone antifoam agent is poly-(dimethyl siloxane-3-hydroxypropylmethyl siloxanes) Soxylat A 25-7, and its molecular structural formula is
In the constitutive material of above-mentioned acid pickling and rust removing agent, the effect of hydrochloric acid is that the iron rust mixture formed with Z 250, ferric oxide, ferric oxide carries out solubilizing reaction; The effect of penetrating agent JFC (fatty alcohol-polyoxyethylene ether defoamer) strengthens H
+the scattering and permeating effect of ion in iron rust mixture; The effect of silicone antifoam agent falls adding the removal of foam that penetrating agent JFC (fatty alcohol-polyoxyethylene ether defoamer) produces afterwards, IS-129 type inhibiter is the high-efficient corrosion inhibition type product being mainly used in chlorohydric acid pickling scale removal developed the 80s and 90s in last century by Shanxi Petro-Chemical Design Inst., this project once obtained Shaanxi Province's scientific-technical progress second prize in 1984, adopt the effect of this IS-129 type inhibiter to be suppress hydrochloric acid to the corrosion of carbon steel metal base material in the present invention, make cleaning surface comparatively smooth; The effect of the ethanolic soln of methyl red be used to detect and the shortage showing acid concentration whether, ethanolic soln and the acid of methyl red act on the aobvious redness of rear liquid, the higher color of acid concentration is redder, otherwise the lower then redness of acid concentration is more shallow, be the height that colourless metachromasia detects concentration of hydrochloric acid in pickle solution by methyl red and alkali, if when acid concentration is lower, then need to add acid pickling and rust removing agent of the present invention.
This acid pickling and rust removing agent is utilized to the method that carbon steel piping or carbon steel pipe fitting carry out acid pickling and rust removing process to be: to be placed in stainless steel tank by acid pickling and rust removing agent de-mineralized water dilution 10 ~ 20 times, then carbon steel piping to be eliminated rust or carbon steel pipe fitting are immersed in 1 ~ 2h in stainless steel tank, pull carbon steel product out, after pure water rinsing, with the ammonia soln passivation 2h that the interior pH containing 1% weight part Sodium Nitrite is 11, drying, namely completes the acid pickling and rust removing of carbon steel piping or carbon steel pipe fitting.
This acid pickling and rust removing agent is utilized to the method that carbon steel rectifying tower or carbon steel reservoir surface carry out acid pickling and rust removing process to be: to adopt artificial mode of brushing to carry out acid pickling and rust removing to carbon steel rectifying tower or carbon steel reservoir surface the solution after the original solution of this acid pickling and rust removing agent or dilution 2 times, until carbon steel rectifying tower or the Ex-all after spilling metal base of carbon steel reservoir surface rust, with the polyoxyethylene nonylphenol ether of 10%, the mixed aqueous solution of the sodium hydroxide of 10% and the sodium carbonate of 5% is as neutralizing agent, metallic surface is rinsed 2 ~ 3 times with jetting machine, be after alkalescence until metallic surface, by pure water rinsing 1 time, dry, namely the acid pickling and rust removing of carbon steel rectifying tower or carbon steel storage tank is completed.
Compared with prior art, the advantage of acid pickling and rust removing agent of the present invention is not containing P, B component, it is fast compared with " LX2000-007 three-in-one normal temperature rust remover " product of Beijing blue star company in the speed of the acid pickling and rust removing that the carbon steel rectifying tower to production of polysilicon enterprise, carbon steel storage tank and carbon steel piping, carbon steel pipe fitting etc. carry out, and do not need before acid pickling and rust removing to carry out sandblasting to carbon steel rectifying tower or carbon steel storage tank etc., in addition in carrying out after carbon steel product acid pickling and rust removing and passive surface also without dust phenomenon.
Embodiment
Embodiment 1
By concentration be 36.5% technical hydrochloric acid 600mL be dissolved in 180mL water, then 100g penetrating agent JFC (Soxylat A 25-7) is added under slowly stirring, then the ethanolic soln 10ml of poly-(dimethyl siloxane-3-hydroxypropylmethyl siloxanes) Soxylat A 25-7 100g, IS-129 type inhibiter 10g and methyl red is added successively, after stirring, obtained a kind of carbon steel pipe fitting acid pickling and rust removing agent product.Get this product de-mineralized water and dilute 10 times, solution is placed in the stainless steel tank of long 15 meters, wide 2 meters, high 1 meter, again carbon steel pipe fitting to be eliminated rust is placed in groove and soaks 2h, then be the ammonia soln passivation 2h of 11 with the interior pH containing 1% weight part Sodium Nitrite, dry, namely complete the acid pickling and rust removing of carbon steel pipe fitting, outdoor placement 30 days metal bases do not return rust.And use " the three-in-one normal temperature rust remover of LX2000-007 " to there will be dust phenomenon, and heavily rust is difficult to remove completely, outdoor placement can return rust in 3 days.
Embodiment 2
By concentration be 36.5% technical hydrochloric acid 600mL be dissolved in 160mL water, then 200g penetrating agent JFC (Soxylat A 25-7) is added under slowly stirring, then the ethanolic soln 10ml of poly-(dimethyl siloxane-3-hydroxypropylmethyl siloxanes) Soxylat A 25-7 20g, IS-129 type inhibiter 10g and methyl red is added successively, after stirring, obtained a kind of carbon steel pipe fitting acid pickling and rust removing agent product.Get this product de-mineralized water and dilute 10 times, solution is placed in the stainless steel tank of long 15 meters, wide 2 meters, high 1 meter, carbon steel pipe fitting to be eliminated rust is immersed in 2h in groove, then be the ammonia soln passivation 2h of 11 with the interior pH containing 1% weight part Sodium Nitrite, dry, namely complete the acid pickling and rust removing of carbon steel pipe fitting, outdoor placement 30 days metal bases do not return rust.And use " the three-in-one normal temperature rust remover of LX2000-007 " to there will be dust phenomenon, and heavily rust is difficult to remove completely, outdoor placement can return rust in 3 days.
Embodiment 3
By concentration be 36.5% technical hydrochloric acid 600mL be dissolved in 160mL water, then 200g penetrating agent JFC (Soxylat A 25-7) is added under slowly stirring, then the ethanolic soln 10ml of poly-(dimethyl siloxane-3-hydroxypropylmethyl siloxanes) Soxylat A 25-7 20g, IS-129 type inhibiter 10g and methyl red is added successively, after stirring, the acid pickling and rust removing agent product of obtained a kind of carbon steel rectifying tower or carbon steel reservoir surface.Get this product de-mineralized water and dilute 2 times, in Sichuan Yongxiang Silicon Co., Ltd., carbon steel rectifying tower or carbon steel storage tank are manually brushed, until carbon steel rectifying tower or the Ex-all after spilling metal base of carbon steel reservoir surface rust, polyoxyethylene nonylphenol ether with 10%, the sodium hydroxide of 10%, 5% the mixed aqueous solution of sodium carbonate as neutralizing agent, metallic surface is rinsed 2 ~ 3 times with jetting machine, be after alkalescence until metallic surface, by pure water rinsing 1 time, dry, namely complete the acid pickling and rust removing of carbon steel rectifying tower or carbon steel storage tank, outdoor placement does not return rust in 30 days.And diluting with " the LX2000-007 three-in-one normal temperature rust remover " of Beijing blue star company the way that 1 times adopts artificial obliterating afterwards, the old rust on carbon steel rectifying tower base material can not Ex-all, and dust phenomenon occurs after acid pickling and rust removing, and owner checks and accepts and do not pass through.
Embodiment 4
By concentration be 36.5% technical hydrochloric acid 500mL be dissolved in 220mL water, then 200g penetrating agent JFC (Soxylat A 25-7) is added under slowly stirring, then the ethanolic soln 20ml of poly-(dimethyl siloxane-3-hydroxypropylmethyl siloxanes) Soxylat A 25-7 40g, IS-129 type inhibiter 20g and methyl red is added successively, after stirring, the acid pickling and rust removing agent product of obtained a kind of carbon steel rectifying tower or carbon steel reservoir surface.Get this product de-mineralized water and dilute 2 times, in Sichuan Yongxiang Silicon Co., Ltd., carbon steel rectifying tower or carbon steel storage tank are manually brushed, until carbon steel rectifying tower or the Ex-all after spilling metal base of carbon steel reservoir surface rust, with the polyoxyethylene nonylphenol ether of 10%, the sodium hydroxide of 10%, the mixed aqueous solution of the sodium carbonate of 5% is as neutralizing agent, metallic surface is rinsed 2 ~ 3 times with jetting machine, be after alkalescence until metallic surface, by pure water rinsing 1 time, dry, namely the acid pickling and rust removing of carbon steel rectifying tower or carbon steel storage tank is completed, after acid pickling and rust removing, metallic substrate surface is smooth, be silvery white in color, outdoor placement does not return rust in 90 days.And diluting with " the LX2000-007 three-in-one normal temperature rust remover " of Beijing blue star company the way that 1 times adopts artificial obliterating afterwards, the old rust on carbon steel rectifying tower base material can not Ex-all, and dust phenomenon occurs after acid pickling and rust removing, and owner checks and accepts and do not pass through.
Claims (4)
1. for an acid pickling and rust removing agent for carbon steel product, it is characterized in that: this acid passivation agent is made up of the raw material of substance of following weight per-cent:
The preparation method of this acid pickling and rust removing agent is: first industrial concentrated hydrochloric acid pure water being diluted to concentration is 20-30%, limit is slowly stirred limit and is added penetrating agent JFC, then add the ethanolic soln of silicone antifoam agent, IS-129 type inhibiter and methyl red successively, after stirring packaging product.
2. the acid pickling and rust removing agent for carbon steel product according to claim 1, is characterized in that: described silicone antifoam agent is poly-(dimethyl siloxane-3-hydroxypropylmethyl siloxanes) Soxylat A 25-7.
3. the method utilizing acid pickling and rust removing agent described in claim 1 carbon steel piping or carbon steel pipe fitting to be carried out to acid pickling and rust removing process, it is characterized in that: this acid pickling and rust removing agent de-mineralized water dilution 10 ~ 20 times is placed in stainless steel tank, then carbon steel piping to be eliminated rust or carbon steel pipe fitting are immersed in 1 ~ 2h in stainless steel tank, pull carbon steel product out, after pure water rinsing, with the ammonia soln passivation 2h that the interior pH containing 1% weight part Sodium Nitrite is 11, drying, namely completes the acid pickling and rust removing of carbon steel piping or carbon steel pipe fitting.
4. the method utilizing acid pickling and rust removing agent described in claim 1 carbon steel rectifying tower or carbon steel reservoir surface to be carried out to acid pickling and rust removing process, it is characterized in that: adopt artificial mode of brushing to carry out acid pickling and rust removing to carbon steel rectifying tower or carbon steel reservoir surface the solution after the original solution of this acid pickling and rust removing agent or dilution 2 times, until carbon steel rectifying tower or the Ex-all after spilling metal base of carbon steel reservoir surface rust, with the polyoxyethylene nonylphenol ether of 10%, the mixed aqueous solution of the sodium hydroxide of 10% and the sodium carbonate of 5% is as neutralizing agent, metallic surface is rinsed 2 ~ 3 times with jetting machine, be after alkalescence until metallic surface, by pure water rinsing 1 time, dry, namely the acid pickling and rust removing of carbon steel rectifying tower or carbon steel storage tank is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510061452.5A CN104630798A (en) | 2015-02-05 | 2015-02-05 | Acid-washing rust remover for carbon steel product and application method of acid-washing rust remover |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510061452.5A CN104630798A (en) | 2015-02-05 | 2015-02-05 | Acid-washing rust remover for carbon steel product and application method of acid-washing rust remover |
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| CN104630798A true CN104630798A (en) | 2015-05-20 |
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| CN201510061452.5A Pending CN104630798A (en) | 2015-02-05 | 2015-02-05 | Acid-washing rust remover for carbon steel product and application method of acid-washing rust remover |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040054A (en) * | 2015-09-22 | 2015-11-11 | 太仓市金鹿电镀有限公司 | Friction-resistant nickel-tungsten alloy electroplating process |
| CN111261308A (en) * | 2020-01-20 | 2020-06-09 | 岭东核电有限公司 | Chemical cleaning method for pressurized water reactor nuclear power station radioactive waste liquid treatment system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5672162A (en) * | 1979-11-20 | 1981-06-16 | Mitsubishi Heavy Ind Ltd | Chemically washing method for steel member |
| CN104099617A (en) * | 2014-06-30 | 2014-10-15 | 姜洪俊 | Oil and rust removing agent |
-
2015
- 2015-02-05 CN CN201510061452.5A patent/CN104630798A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5672162A (en) * | 1979-11-20 | 1981-06-16 | Mitsubishi Heavy Ind Ltd | Chemically washing method for steel member |
| CN104099617A (en) * | 2014-06-30 | 2014-10-15 | 姜洪俊 | Oil and rust removing agent |
Non-Patent Citations (4)
| Title |
|---|
| 张光华: "《水处理化学品》", 30 November 2004, 化学工业出版社 * |
| 王建平: "《实用磷化及相关技术》", 28 February 2009, 机械工业出版社 * |
| 金聪玲等: "酸洗缓蚀剂IS-129 IS-156", 《陕西化工》 * |
| 顾大明等: "《工业清洗剂——示例.配方.制备方法》", 31 October 2010, 化学工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040054A (en) * | 2015-09-22 | 2015-11-11 | 太仓市金鹿电镀有限公司 | Friction-resistant nickel-tungsten alloy electroplating process |
| CN111261308A (en) * | 2020-01-20 | 2020-06-09 | 岭东核电有限公司 | Chemical cleaning method for pressurized water reactor nuclear power station radioactive waste liquid treatment system |
| CN111261308B (en) * | 2020-01-20 | 2023-08-25 | 岭东核电有限公司 | Chemical cleaning method for radioactive waste liquid treatment system of pressurized water reactor nuclear power station |
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Application publication date: 20150520 |