CN103882454A - Steel rust removal fluid and preparation method thereof - Google Patents
Steel rust removal fluid and preparation method thereof Download PDFInfo
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- CN103882454A CN103882454A CN201410083523.7A CN201410083523A CN103882454A CN 103882454 A CN103882454 A CN 103882454A CN 201410083523 A CN201410083523 A CN 201410083523A CN 103882454 A CN103882454 A CN 103882454A
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Abstract
The invention provides steel rust removal fluid and a preparation method thereof. The steel rust removal fluid comprises the following components in parts by weight: 0.8-2.5 parts of oxalic acid, 1-7 parts of tartaric acid, 0.3-1.5 parts of lauryl sodium sulfate, 2-8 parts of phosphoric acid solution, 30-50 parts of hydrochloric acid solution, 0.2-0.9 part of fatty alcohol-polyoxyethylene ether, 0.1-0.8 part of hexamethylenetetramine, 1-5 parts of triethanolamine, 0.2-0.9 part of alkylphenol ethoxylates, 0.3-0.8 part of polyvinyl alcohol, 0.5-2.3 parts of paraffin, 0.1-1.5 parts of ammonium chloride, 0.2-2.5 parts of Tween-80, 0.5-1.5 parts of urotropine and 30-50 parts of water. The preparation method comprises the following steps: weighing the components, adding the phosphoric acid solution and hydrochloric acid solution into water, and adding other components. According to the rust removal fluid, rust on the steel surface can be removed in a short time, and the steel surface does not rust again for a long time after rust removal.
Description
Technical field
The invention belongs to field of metal surface treatment technology, be specifically related to a kind of rust-removing agent and preparation method thereof.
Background technology
Along with Iron And Steel Industry and the manufacturing development of iron and steel, the corrosion problem of steel becomes increasingly conspicuous, and the metallic substance that scrap due to corrosion every year in the whole world and the weight of equipment are about 20%～30% of metal annual production, up to 1 × 10
8more than t.Metal products is taked before various anti-corrosion measures, and rust cleaning is necessary processing step.Current derusting method mainly contains mechanical process, the large class of chemical method two.Mechanical process is by manually striking shovel, polishing and sandblasting, and shortcoming is that labour intensity is large, efficiency is low, dust pollution is serious, and is subject to the restriction of Components Shape, and the rust of limit, corner angle, re-entrant angle and tubule internal diameter is difficult to remove clean.The series of advantages such as that chemical method has is effective, efficiency is high, technological operation is simple, cost is low is the developing direction of current rust remover.But after chemical method also exists the danger, polluted air, rust cleaning of " hydrogen embrittlement ", workpiece need repeatedly clean, and sometimes also will do comprehensive treating process, otherwise also can get rusty, and has a strong impact on the sticking power of follow-up coating, particularly outstanding to coat of painting.Derusting method adopts impregnated mostly, makes in this way, first needs to build huge immersion trough, and construction investment is very large, also has more seriously in the liquid waste disposal of changing after tank liquor.The industries such as therefore, current chemical method is difficult in the sector application of having relatively high expectations, the shipbuilding especially outsize workpiece being eliminated rust.
Summary of the invention
The object of this invention is to provide a kind of rust-removing agent and preparation method thereof.
A kind of rust-removing agent, comprise in weight part: 0.8～2.5 part of oxalic acid, 1～7 part, tartrate, 0.3～1.5 part of sodium lauryl sulphate, 2～8 parts of phosphoric acid solutions, 30～50 parts of hydrochloric acid solns, 0.2～0.9 part of fatty alcohol-polyoxyethylene ether, 0.1～0.8 part of vulkacit H, 1～5 part of trolamine, 0.2～0.9 part of alkylphenol polyoxyethylene, 0.3～0.8 part of polyvinyl alcohol, 0.5～2.3 part, paraffin, 0.1～1.5 part of ammonium chloride, 0.2～2.5 part of tween-80,0.5～1.5 part of urotropine, 30～50 parts, water.
As foregoing invention further preferably, in described phosphoric acid solution, the mass concentration of phosphoric acid is preferably 85%.
As foregoing invention further preferably, in described hydrochloric acid soln, the mass concentration of hydrochloric acid is preferably 33%.
The preparation method of above-mentioned rust-removing agent is: first take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
As foregoing invention further preferably, whipping temp is preferably 30～35 ℃.
As foregoing invention further preferably, stirring velocity is preferably 50～80rpm.
Gained rust removing solution energy of the present invention is removed the rusty stain of steel surface within a short period of time completely, and the rust cleaning time is significantly shorter than commercially available prod, and after guaranteeing rust cleaning, steel surface can no longer get rusty in the long period, had greatly improved the service efficiency of iron and steel.
Embodiment
Embodiment 1
A kind of rust-removing agent, comprises in weight part: 0.8 part of oxalic acid, 1 part, tartrate, 0.3 part of sodium lauryl sulphate, 2 parts of phosphoric acid solutions, 30 parts of hydrochloric acid solns, 0.2 part of fatty alcohol-polyoxyethylene ether, 0.1 part of vulkacit H, 1 part of trolamine, 0.2 part of alkylphenol polyoxyethylene, 0.3 part of polyvinyl alcohol, 0.5 part, paraffin, 0.1 part of ammonium chloride, 0.2 part of tween-80,0.5 part of urotropine, 30 parts, water.
In described phosphoric acid solution, the mass concentration of phosphoric acid is 85%.
In described hydrochloric acid soln, the mass concentration of hydrochloric acid is 33%.
First take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
Wherein whipping temp is 30～35 ℃, and stirring velocity is 50～80rpm.
Embodiment 2
A kind of rust-removing agent, comprises in weight part: 1.3 parts of oxalic acid, 2 parts, tartrate, 0.5 part of sodium lauryl sulphate, 3 parts of phosphoric acid solutions, 34 parts of hydrochloric acid solns, 0.3 part of fatty alcohol-polyoxyethylene ether, 0.2 part of vulkacit H, 2 parts of trolamines, 0.3 part of alkylphenol polyoxyethylene, 0.5 part of polyvinyl alcohol, 0.9 part, paraffin, 0.7 part of ammonium chloride, 0.8 part of tween-80,0.7 part of urotropine, 40 parts, water.
In described phosphoric acid solution, the mass concentration of phosphoric acid is 85%.
In described hydrochloric acid soln, the mass concentration of hydrochloric acid is 33%.
First take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
Wherein whipping temp is 30～35 ℃, and stirring velocity is 50～80rpm.
Embodiment 3
A kind of rust-removing agent, comprises in weight part: 1.5 parts of oxalic acid, 4 parts, tartrate, 0.9 part of sodium lauryl sulphate, 7 parts of phosphoric acid solutions, 38 parts of hydrochloric acid solns, 0.5 part of fatty alcohol-polyoxyethylene ether, 0.6 part of vulkacit H, 3 parts of trolamines, 0.6 part of alkylphenol polyoxyethylene, 0.5 part of polyvinyl alcohol, 1.5 parts, paraffin, 0.9 part of ammonium chloride, 1.8 parts of tween-80s, 1.1 parts of urotropines, 35 parts, water.
In described phosphoric acid solution, the mass concentration of phosphoric acid is 85%.
In described hydrochloric acid soln, the mass concentration of hydrochloric acid is 33%.
First take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
Wherein whipping temp is 30～35 ℃, and stirring velocity is 50～80rpm.
Embodiment 4
A kind of rust-removing agent, comprises in weight part: 2.4 parts of oxalic acid, 6 parts, tartrate, 1.2 parts of sodium lauryl sulphate, 7 parts of phosphoric acid solutions, 45 parts of hydrochloric acid solns, 0.7 part of fatty alcohol-polyoxyethylene ether, 0.6 part of vulkacit H, 4 parts of trolamines, 0.8 part of alkylphenol polyoxyethylene, 0.6 part of polyvinyl alcohol, 2 parts, paraffin, 1 part of ammonium chloride, 2.2 parts of tween-80s, 1.3 parts of urotropines, 45 parts, water.
In described phosphoric acid solution, the mass concentration of phosphoric acid is 85%.
In described hydrochloric acid soln, the mass concentration of hydrochloric acid is 33%.
First take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
Wherein whipping temp is 30～35 ℃, and stirring velocity is 50～80rpm.
Embodiment 5
A kind of rust-removing agent, comprises in weight part: 2 parts of oxalic acid, 5 parts, tartrate, 1 part of sodium lauryl sulphate, 5 parts of phosphoric acid solutions, 40 parts of hydrochloric acid solns, 0.5 part of fatty alcohol-polyoxyethylene ether, 0.5 part of vulkacit H, 4 parts of trolamines, 0.7 part of alkylphenol polyoxyethylene, 0.5 part of polyvinyl alcohol, 1.8 parts, paraffin, 1.2 parts of ammonium chlorides, 2.5 parts of tween-80s, 1.2 parts of urotropines, 48 parts, water.
In described phosphoric acid solution, the mass concentration of phosphoric acid is 85%.
In described hydrochloric acid soln, the mass concentration of hydrochloric acid is 33%.
First take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
Wherein whipping temp is 30～35 ℃, and stirring velocity is 50～80rpm.
Embodiment 6
A kind of rust-removing agent, comprises in weight part: 2.5 parts of oxalic acid, 7 parts, tartrate, 1.5 parts of sodium lauryl sulphate, 8 parts of phosphoric acid solutions, 50 parts of hydrochloric acid solns, 0.9 part of fatty alcohol-polyoxyethylene ether, 0.8 part of vulkacit H, 5 parts of trolamines, 0.9 part of alkylphenol polyoxyethylene, 0.8 part of polyvinyl alcohol, 2.3 parts, paraffin, 1.5 parts of ammonium chlorides, 2.5 parts of tween-80s, 1.5 parts of urotropines, 50 parts, water.
In described phosphoric acid solution, the mass concentration of phosphoric acid is 85%.
In described hydrochloric acid soln, the mass concentration of hydrochloric acid is 33%.
First take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
Wherein whipping temp is 30～35 ℃, and stirring velocity is 50～80rpm.
Embodiment 7
A kind of rust-removing agent, comprises in weight part: 0.8 part of oxalic acid, 1 part, tartrate, 0.3 part of sodium lauryl sulphate, 2 parts of phosphoric acid solutions, 50 parts of hydrochloric acid solns, 0.9 part of fatty alcohol-polyoxyethylene ether, 0.8 part of vulkacit H, 5 parts of trolamines, 0.9 part of alkylphenol polyoxyethylene, 0.8 part of polyvinyl alcohol, 2.3 parts, paraffin, 1.5 parts of ammonium chlorides, 0.2 part of tween-80,0.5 part of urotropine, 30 parts, water.
In described phosphoric acid solution, the mass concentration of phosphoric acid is 85%.
In described hydrochloric acid soln, the mass concentration of hydrochloric acid is 33%.
First take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
Wherein whipping temp is 30～35 ℃, and stirring velocity is 50～80rpm.
Embodiment 8
A kind of rust-removing agent, comprises in weight part: 2.5 parts of oxalic acid, 7 parts, tartrate, 1.5 parts of sodium lauryl sulphate, 8 parts of phosphoric acid solutions, 50 parts of hydrochloric acid solns, 0.2 part of fatty alcohol-polyoxyethylene ether, 0.1 part of vulkacit H, 1 part of trolamine, 0.2 part of alkylphenol polyoxyethylene, 0.3 part of polyvinyl alcohol, 0.5 part, paraffin, 0.1 part of ammonium chloride, 0.2 part of tween-80,0.5 part of urotropine, 30 parts, water.
In described phosphoric acid solution, the mass concentration of phosphoric acid is 85%.
In described hydrochloric acid soln, the mass concentration of hydrochloric acid is 33%.
First take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
Wherein whipping temp is 30～35 ℃, and stirring velocity is 50～80rpm.
Embodiment 9
The difference of the present embodiment and embodiment 8 is not comprise in rust-removing agent fatty alcohol-polyoxyethylene ether.Specifically:
A kind of rust-removing agent, comprises in weight part: 2.5 parts of oxalic acid, 7 parts, tartrate, 1.5 parts of sodium lauryl sulphate, 8 parts of phosphoric acid solutions, 50 parts of hydrochloric acid solns, 0.1 part of vulkacit H, 1 part of trolamine, 0.2 part of alkylphenol polyoxyethylene, 0.3 part of polyvinyl alcohol, 0.5 part, paraffin, 0.1 part of ammonium chloride, 0.2 part of tween-80,0.5 part of urotropine, 30 parts, water.
In described phosphoric acid solution, the mass concentration of phosphoric acid is 85%.
In described hydrochloric acid soln, the mass concentration of hydrochloric acid is 33%.
First take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
Wherein whipping temp is 30～35 ℃, and stirring velocity is 50～80rpm.
Embodiment 1～9 gained sample is carried out to performance test, and result is as follows:
Can find out from above testing data, gained rust removing solution energy of the present invention is removed the rusty stain of steel surface within a short period of time completely, and after guaranteeing rust cleaning, steel surface can no longer get rusty in the long period, had greatly improved the service efficiency of iron and steel.And in embodiment 9, do not add fatty alcohol-polyoxyethylene ether; the not only rust cleaning time lengthening of rust removing solution but also the secondary corrosion time; may be because fatty alcohol-polyoxyethylene ether can be worked in coordination with solvent diffusion in rust deposite, and can form protective layer by the steel surface after rust cleaning.In addition, embodiment 4 gained rust removing solutions rust cleaning shortest times, secondary corrosion time are the longest, are optimum embodiment of the present invention.
Claims (6)
1. a rust-removing agent, it is characterized in that: comprise in weight part: 0.8～2.5 part of oxalic acid, 1～7 part, tartrate, 0.3～1.5 part of sodium lauryl sulphate, 2～8 parts of phosphoric acid solutions, 30～50 parts of hydrochloric acid solns, 0.2～0.9 part of fatty alcohol-polyoxyethylene ether, 0.1～0.8 part of vulkacit H, 1～5 part of trolamine, 0.2～0.9 part of alkylphenol polyoxyethylene, 0.3～0.8 part of polyvinyl alcohol, 0.5～2.3 part, paraffin, 0.1～1.5 part of ammonium chloride, 0.2～2.5 part of tween-80,0.5～1.5 part of urotropine, 30～50 parts, water.
2. a kind of rust-removing agent according to claim 1, is characterized in that: in described phosphoric acid solution, the mass concentration of phosphoric acid is 85%.
3. a kind of rust-removing agent according to claim 1, is characterized in that: in described hydrochloric acid soln, the mass concentration of hydrochloric acid is 33%.
4. the preparation method of the rust-removing agent described in claims 1 to 3 any one, is characterized in that: first take by weight each component, then phosphoric acid solution and hydrochloric acid soln are added in water, then add remaining ingredient, limit edged stirs, and extremely each component is dissolved completely.
5. the preparation method of rust-removing agent according to claim 4, is characterized in that: whipping temp is 30～35 ℃.
6. the preparation method of rust-removing agent according to claim 4, is characterized in that: stirring velocity is 50～80rpm.
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| CN201410083523.7A CN103882454A (en) | 2014-03-10 | 2014-03-10 | Steel rust removal fluid and preparation method thereof |
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| CN201410083523.7A CN103882454A (en) | 2014-03-10 | 2014-03-10 | Steel rust removal fluid and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404550A (en) * | 2014-11-25 | 2015-03-11 | 陕西宝塔山油漆股份有限公司 | Pre-treatment agent suitable for surface of outdoor steel structure, and preparation method for pre-treatment agent |
| CN105000909A (en) * | 2015-08-19 | 2015-10-28 | 李康 | Preparation method for environment-friendly stone deruster |
| CN105002510A (en) * | 2015-08-06 | 2015-10-28 | 潘桂枝 | Metal rust remover |
| CN105112927A (en) * | 2015-09-14 | 2015-12-02 | 夏良文 | Novel aluminum product wax removing agent and preparation method thereof |
| CN105543828A (en) * | 2015-12-21 | 2016-05-04 | 国家电网公司 | Activated rust layer rust converting agent for electric transmission and transformation equipment and preparation method and application of rust converting agent |
| CN105755488A (en) * | 2016-04-01 | 2016-07-13 | 苏长伟 | Environment-friendly steel rust remover |
| CN107475728A (en) * | 2017-08-30 | 2017-12-15 | 南通润德机械科技有限公司 | A kind of modified extruder rust remover |
| CN107723716A (en) * | 2017-10-17 | 2018-02-23 | 黄彬彬 | A kind of preparation method of rust remover |
| CN109234714A (en) * | 2018-08-28 | 2019-01-18 | 广州粤晖金属机械防护技术有限公司 | A kind of Water Soluble Compound passivation protective liquid and the application in steel wet blast blasting |
| CN112920786A (en) * | 2021-02-01 | 2021-06-08 | 成都理工大学 | Composite sand control agent with high permeability retention rate |
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| CN102465304A (en) * | 2010-11-04 | 2012-05-23 | 南通五联品牌策划有限公司 | Steel normal temperature rust removing liquid |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404550A (en) * | 2014-11-25 | 2015-03-11 | 陕西宝塔山油漆股份有限公司 | Pre-treatment agent suitable for surface of outdoor steel structure, and preparation method for pre-treatment agent |
| CN104404550B (en) * | 2014-11-25 | 2017-04-19 | 陕西宝塔山油漆股份有限公司 | Pre-treatment agent suitable for surface of outdoor steel structure, and preparation method for pre-treatment agent |
| CN105002510A (en) * | 2015-08-06 | 2015-10-28 | 潘桂枝 | Metal rust remover |
| CN105000909A (en) * | 2015-08-19 | 2015-10-28 | 李康 | Preparation method for environment-friendly stone deruster |
| CN105000909B (en) * | 2015-08-19 | 2017-06-13 | 新沂市合沟工业集中区建设发展有限公司 | A kind of preparation method of environment friendly stone rust remover |
| CN105112927A (en) * | 2015-09-14 | 2015-12-02 | 夏良文 | Novel aluminum product wax removing agent and preparation method thereof |
| CN105543828A (en) * | 2015-12-21 | 2016-05-04 | 国家电网公司 | Activated rust layer rust converting agent for electric transmission and transformation equipment and preparation method and application of rust converting agent |
| CN105755488A (en) * | 2016-04-01 | 2016-07-13 | 苏长伟 | Environment-friendly steel rust remover |
| CN107475728A (en) * | 2017-08-30 | 2017-12-15 | 南通润德机械科技有限公司 | A kind of modified extruder rust remover |
| CN107723716A (en) * | 2017-10-17 | 2018-02-23 | 黄彬彬 | A kind of preparation method of rust remover |
| CN109234714A (en) * | 2018-08-28 | 2019-01-18 | 广州粤晖金属机械防护技术有限公司 | A kind of Water Soluble Compound passivation protective liquid and the application in steel wet blast blasting |
| CN112920786A (en) * | 2021-02-01 | 2021-06-08 | 成都理工大学 | Composite sand control agent with high permeability retention rate |
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Application publication date: 20140625 |