CN101109084A - Pickle liquor additive agent for special steel surface and method of preparing the same - Google Patents
Pickle liquor additive agent for special steel surface and method of preparing the same Download PDFInfo
- Publication number
- CN101109084A CN101109084A CNA2007100355916A CN200710035591A CN101109084A CN 101109084 A CN101109084 A CN 101109084A CN A2007100355916 A CNA2007100355916 A CN A2007100355916A CN 200710035591 A CN200710035591 A CN 200710035591A CN 101109084 A CN101109084 A CN 101109084A
- Authority
- CN
- China
- Prior art keywords
- parts
- acid
- portions
- chromium
- additive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
An additive and the preparing way for the addative of a surface pickler for a special steel is provided. The portions of raw materials and weight for the additive are: Diethylenetriamine 5-9 portions, chromized reducer 12-18 portions, detergent 20-24 portions, Nitrilotriacetic acid or HEDP 7-9 portions, potassium chlorate or sodium chlorate 7-12 portions, clean tap water 49-32 portions; the chromized reducer comprises Triethanolamine, formaldehyde and aqueous ammonia. The producing way for the additive is: first the tap water is put into a reaction vessel; then the potassium chlorate or sodium chlorate is added to react for about 10 min; the Nitrilotriacetic acid or HEDP is added to react evenly; the detergent and the Diethylenetriamine are added, and mixed evenly; then the chromized reducer is added and mixed to become a thick colorless liquid. The additive will be added in 1% of volume of aqua regia or mixed acid working liquid; when the temperature of the pickling work fluid rises to 60-80 centigrade, the rate for suppressing acid mist is more than 80%, the corrosion-retarding rate is more than 95%; the eight processes, namely prickling, degreasing, dephosphorizing, passivating and protection, etc. are completed in one operation. The additive can completely substitute highly toxic hydrofluoric acid and can passivate and protect jobs without passing through any acid, can greatly improve the surface roughness and corrosion resistance up to 3 times.
Description
Technical field
The present invention relates to pickle liquor additive agent for special steel surface, add in chloroazotic acid or the nitration mixture working fluid, be used for nickel steel, titanium steel, chromium steel, stainless steel, high low alloy steel surface treatment, replace hypertoxic hydrofluoric acid fully.
The invention still further relates to the production method of this product.
Background technology
Special steel comprises nickel steel, titanium steel, chromium steel, stainless steel, high low alloy steel etc.At present, the agent for special steel surface pickling generally is to adopt hypertoxic hydroflouric acid wash-out squama, chemical degreasing both at home and abroad, with the passivation of chromium pavilion, and the artificial 9 road technique processes such as protection of repairing.Former two steel in Shanghai, five steel adopt 1300 ℃ of blasting procedure scale breadings of concentrated base high temperature because of using hydrofluoric acid, add squama acid pickling with nitration mixture again, and the degreasing desquamation is with trolamine, sodium nitrite solution passivation.Also there is the first sandblast of employing in elsewhere producer, and back shot-peening is used nitration mixture pickling degreasing desquamation again, with red vanadium sodium or the passivation of chromium pavilion.
Agent for special steel surface pickling general technology method is: degreasing → washing → desquamation → washing → hot water wash → neutralization → passivation → washing → ten procedures such as artificial reparation → protection.With hydrofluoric acid pickling processing sequence be: eight road technologies such as pickling washing, degreasing washing, desquamation washing, passivation washing, protection.Can't free hypertoxic hydrofluoric acid, chromium pavilion, red vanadium sodium and other or the like loaded down with trivial details power consumption technology always.The inventor had once invented floride-free degreasing acid of a kind of DHF-1-2 and floride-free degreasing acid cream December nineteen eighty-three; be used for degreasing desquamation passivation protection and replace hydrofluoric acid; do not apply because of the too big transportation difficulty of consumption, more do not have patent protection, so never go into operation.
Summary of the invention:
The purpose of this invention is to provide a kind of pickle liquor additive agent for special steel surface, add in chloroazotic acid pickling working fluid and the nitration mixture pickling working fluid, one technology solves the problem of nickel steel, titanium steel, chromium steel, stainless steel, high low alloy steel surface acid-washing degreasing desquamation, passivation protection.Another purpose of the present invention provides the production method of this product.
The objective of the invention is to be achieved through the following technical solutions:
Its feed composition of product of the present invention and weight part are: diethylenetriamine 5-9 part, chromium are closed reductive agent 12-18 part, washing composition 14-24 part, nitrilotriacetic acid or HEDP 5-9 part, Potcrate or sodium chlorate 7-12 part, clean tap water 32-49 part;
Feed composition and weight ratio that chromium closes reductive agent are: 30 parts of trolamines, 40 parts in formaldehyde, 30 parts of ammoniacal liquor.
Its preferable feed composition of product of the present invention and important part are: 6 parts of diethylenetriamines, chromium close 12 parts of reductive agents, 18 parts in washing composition, 7 parts of nitrilotriacetic acid or HEDP, 7 parts of Potcrate or sodium chlorate, 46 parts in clean tap water.
The production method of product of the present invention is: 1. earlier clean tap water is allocated in the reactor: Potcrate in 2. will filling a prescription or sodium chlorate drop in constantly stirring gradually, stir molten intact back and continue about 10 minutes of reaction, then in stirring, gradually nitrilotriacetic acid or HEDP are dropped in, after stirring reaction is even; 3. gradually diethylenetriamine and washing composition are dropped in stirring, after stirring reaction is even, again chromium is closed reductive agent and drop in, stirring reaction becomes to be with thickness light green or colourless liquid translucency to get finished product slightly, then packing.
Product of the present invention has following positively effect: after adding this product in the chloroazotic acid nitration mixture, when steel band was warmed to 70-80 ℃ in nitration mixture, corrosion inhibition rate was more than 80%, and oil removal rate reaches more than 95%, and the acid mist inhibiting rate reaches more than 70%.Surface quality of steel improves resistance to corrosion more than 3 times, and anti-friction mill power reaches more than 1 times.Although steel band is immersed in the chloroazotic acid liquid that hydrochloric acid, nitric acid forms, and be warmed to 70-80 ℃ and soaked 2 hours, but do not produce peracid, soak at room temperature does not produce peracid in 24 hours (and hydrofluoric acid soaked 40 minutes when being warmed to 70-80 ℃, steel strip surface air marks will occur and produce peracid, and soak at room temperature will produce peracid in 4 hours.) the smooth smooth no burr of steel strip surface smooth finish, be silvery white in color, can improve a grade.Workman's operational safety, even acid solution is run on one's body, all harmless on hand.There is not big irritating smell.Recyclable the following of spent acid solution changed use, need not discharge, and more do not need to do special processing, thoroughly solved environmental pollution, protection operator health safety and Health.Reduce technique process significantly, reduce to technology one, cut down the consumption of energy, reduce cost, improve the quality of products by original eight road technologies.Above functional effect all is iron and steel metallurgy factory, steel research institute, the result of Wuhan Inst. of Material Protection after service test.
The present invention adopts that inhibition, catalysis chromium close, passivation, metal-chelating cooperatively interact, the control acid solution is the equilibrium of when temperature dependence material self performance complex reaction during being warmed to, make that metal surface area reaches that limit degreasing, limit desquamation, limit chromium are closed, limit passivation, frontier defense protect, the reaction of control ionic molecule, with the short reaction of strong oxidizer, quicken dissolving of fat and squama, close with the short metal ion chromium of inhibition ion and to be deposited as passive film, retardance oxygen prevents that near metallic matrix (nitrate radical sulfate radical chlorion) immerses metallic matrix in the acid, the retardance peracid.
Utilize the alloying element polar group of stainless steel, steel alloy self, these elements have shared electron pair, can join value with metallic object and combine, and form strong chemisorption chromium and close the passivation reaction film forming layer, reach to prevent peracid.
Corrosion resistance nature, the metal-chelating rete provides corrosion resistant protective effect to steel alloy, stainless steel, nickel, titanium, chromium steel matrix.Contain the phase mutual diffusion in chemical reaction of silicon, aluminium, nickel, titanium, zinc, magnesium, manganese, phosphorus in addition in the steel alloy element and be integrated into self superficial film, make its metallic surface base membrane layer be in metallurgy type chelating state all the time, exempt from continuous oxidation consumption, thereby prolong the life-span of chelating layer greatly, strengthen erosion resistance and antifriction mill property metallic matrix.
Embodiment
One, the prescription of product of the present invention
Prescription one: its feed composition of this product and weight part are: diethylenetriamine 5-9 part, chromium are closed reductive agent 12-18 part, washing composition 20-24 part, nitrilotriacetic acid or HEDP 7-9 part, Potcrate or sodium chlorate 7-12 part, clean tap water 49-32 part;
Feed composition and weight part that chromium closes reductive agent are: 30 parts of trolamines, 40 parts in formaldehyde, 30 parts of ammoniacal liquor.
Prescription two: 6 parts of diethylenetriamines, chromium close 12 parts of reductive agents, 18 parts in washing composition, 7 parts of nitrilotriacetic acid or HEDP, 7 parts of Potcrate or sodium chlorate, 46 parts in clean tap water.
Two, the production technique of product of the present invention
1) the clean tap water in will filling a prescription is earlier allocated in the reactor; 2) Potcrate in then will filling a prescription or sodium chlorate are spread gradually in constantly stirring and are joined into, stir molten intact back and continue reaction about 10 minutes, in then still in stirring, will filling a prescription gradually nitrilotriacetic acid or HEDP drip join or spread join into stirring reaction even after; 3) diethylenetriamine in constantly stirring, will fill a prescription gradually and washing composition drop in stirring reaction even after, additive in then will filling a prescription again drops in abundant stirring reaction and becomes to be with thickness light green or colourless liquid shape translucency to get finished product slightly, then packing.
Three, product physics and chemistry technical quality standard of the present invention
1) appearance character: light green or deep green or the colourless thickness translucent liquid thing of being with slightly
2) pH value: (wide model test paper) 6-10
3) corrosion inhibition rate :≤50 ℃ ± 5 ℃ (adding this additive 1% by volume) 〉=90%
4) oil removal rate: 50 ℃ ± 5 ℃-2 hours 95%
5) acid mist inhibiting rate: 50 ℃ ± 5 ℃ 〉=75%
6) high-temperature stability: 80-100 ℃, do not decompose, do not lose efficacy
7) low-temperature stability :-30 ℃, do not solidify, non-crystallizable.
Product of the present invention adds in chloroazotic acid pickle solution and the nitration mixture pickle solution, be used for nickel steel, titanium steel, chromium steel, stainless steel, high low alloy steel surface acid-washing, replace hypertoxic hydrofluoric acid pickling, degreasing, desquamation, passivation, protection, reduce technique process, reduce cost, free severe toxicity and pollute, improve the quality of products, prolong product work-ing life, reduce energy consumption, eliminate safe hidden trouble.
The present Shaoyang City Chuangjie Chemical Co., Ltd. of product of the present invention limited production, product are reached a conclusion after units such as Sino-British joint this Mick nickel electrode company in Shanghai, Baosteel five factories, Baosteel two factories, frame main office Shaoyang two frame factories, Zhengzhou frame head factory, Chongqing special stainless steel factory, Wuhan Iron and Steel Plant technique center, Hubei Province's metallurgic product supervision inspection center, Wuhan Material Protection Inst., Ministry of Machine Building have detected, check, used: can replace hydrofluoric acid pickling stainless steel, nickel, titanium, chromium steel fully.Replace the passivation of chromium pavilion, red vanadium sodium, and reach pickling degreasing desquamation passivation fully and protect a step process and finish stainless steel, high low-alloy, nickel, titanium, chromium steel.Free the harm of hypertoxic hydrofluoric acid, chromium pavilion, red vanadium sodium fully to the person, thoroughly solved environmental pollution, free sandblast shot-peening spray, the consumption of polishing equal energy source, reduce many technique processes, reduce cost, and improve the quality of products, prolong product work-ing life, strengthen the anticorrosive anti-friction mill of product ability.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to present patent application change, and are the technology of the present invention and contain.
Claims (4)
1. pickle liquor additive agent for special steel surface, its starting material component and weight part are:
Diethylenetriamine 5-9 part, chromium are closed reductive agent 12-18 part, washing composition 14-24 part,
Nitrilotriacetic acid or HEDP 5-9 part, Potcrate or sodium chlorate 7-12 part, clean tap water 32-49 part;
Feed composition and weight part that chromium closes reductive agent are: 30 parts of trolamines, 40 parts in formaldehyde, 30 parts of ammoniacal liquor.
2. according to right 1 described pickle liquor additive agent for special steel surface, it is characterized in that:
6 parts of diethylenetriamines, chromium close 12 parts of reductive agents, 18 parts in washing composition,
7 parts of nitrilotriacetic acid or HEDP, 7 parts of Potcrate or sodium chlorate, 46 parts in clean tap water.
3. the pickle liquor additive agent for special steel surface of stating according to claim 1 is characterized in that: product physics and chemistry technical indicator is:
1) appearance character: green or colourless thickness translucent liquid thing
2) pH value: (wide model test paper) 6-10
3) corrosion inhibition rate :≤50 ℃ ± 5 ℃ (doping by volume 1%) 〉=90%
4) oil removal rate: 50 ℃ ± 5 ℃-2 hours 95%
5) acid mist inhibiting rate: 50 ℃ ± 5 ℃ 〉=75%
6) high-temperature stability: 80-100 ℃, do not decompose, do not lose efficacy
7) low-temperature stability :-30 ℃, do not solidify, non-crystallizable.
4. the production method of the described pickle liquor additive agent for special steel surface of claim 1:
1. earlier clean tap water is allocated in the reactor; 2. Potcrate in will filling a prescription or sodium chlorate are dropping in continuous the stirring gradually, stir molten intact back and continue about 10 minutes of reaction, then gradually nitrilotriacetic acid or HEDP are dropped in stirring, after stirring reaction is even; 3. gradually diethylenetriamine and washing composition are dropped in stirring, after stirring reaction is even, again chromium is closed reductive agent and drop in, stirring reaction becomes to be with thickness light green or colourless liquid translucency to get finished product slightly, then packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100355916A CN100482863C (en) | 2007-08-14 | 2007-08-14 | Pickle liquor additive agent for special steel surface and method of preparing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100355916A CN100482863C (en) | 2007-08-14 | 2007-08-14 | Pickle liquor additive agent for special steel surface and method of preparing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101109084A true CN101109084A (en) | 2008-01-23 |
| CN100482863C CN100482863C (en) | 2009-04-29 |
Family
ID=39041338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100355916A Expired - Fee Related CN100482863C (en) | 2007-08-14 | 2007-08-14 | Pickle liquor additive agent for special steel surface and method of preparing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100482863C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994107A (en) * | 2009-08-18 | 2011-03-30 | 邵阳市创捷化工有限公司 | Antiseptic film and production process thereof |
| CN102747372A (en) * | 2011-04-22 | 2012-10-24 | 比亚迪股份有限公司 | Copper protective agent and its preparation method and copper protection method |
| CN109295466A (en) * | 2018-11-15 | 2019-02-01 | 济南大学 | A kind of preparation method for bridge steel surface derusting agent |
-
2007
- 2007-08-14 CN CNB2007100355916A patent/CN100482863C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994107A (en) * | 2009-08-18 | 2011-03-30 | 邵阳市创捷化工有限公司 | Antiseptic film and production process thereof |
| CN101994107B (en) * | 2009-08-18 | 2013-10-30 | 邵阳市创捷化工有限公司 | Antiseptic film and production process thereof |
| CN102747372A (en) * | 2011-04-22 | 2012-10-24 | 比亚迪股份有限公司 | Copper protective agent and its preparation method and copper protection method |
| CN102747372B (en) * | 2011-04-22 | 2014-09-17 | 比亚迪股份有限公司 | Copper protective agent and its preparation method and copper protection method |
| CN109295466A (en) * | 2018-11-15 | 2019-02-01 | 济南大学 | A kind of preparation method for bridge steel surface derusting agent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100482863C (en) | 2009-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106757039B (en) | A kind of alumina polishing fluid and preparation method thereof | |
| CN102912338A (en) | Aluminium alloy trivalent chromium passivation solution as well as preparation method and passivation technology thereof | |
| CN100482863C (en) | Pickle liquor additive agent for special steel surface and method of preparing the same | |
| CN102634807A (en) | Acid-washing method for common carbon steel/semi-process electrical steel with thickness of 3.0-6.0mm | |
| CN102418103A (en) | Chemical for cleaning boiler | |
| CN101082128A (en) | Multifunctional environment protection metal degreasing derusting rust-proofing liquid | |
| CN103502501A (en) | Molten-salt bath for nitriding mechanical steel parts, and implementation method | |
| CN101086062A (en) | Strong acid metal surface phosphor passivation and anti-rust agent and its production method | |
| CN104451633B (en) | Rust-removing and rust-preventing solution and preparation method thereof | |
| CN105369266A (en) | Steel acid washing liquid based on Fenton oxidation reaction and acid washing process | |
| CN106801208A (en) | A kind of steel fluxing agent | |
| CN105018913A (en) | Rust prevention liquid for metal surfaces | |
| CN104278281B (en) | Pickling solution containing compound passivating agent and preparation method thereof | |
| KR20020071949A (en) | Pickling agent containing urea and method of producing it | |
| CN101492818A (en) | Rust preventive for parkerizing treatment and method of use thereof | |
| CN101177785B (en) | Galvanizing inactivating liquid and preparation method | |
| CN111793801B (en) | Acid pickling deslagging agent and preparation method and application thereof | |
| CN101182639A (en) | Steel phosphating liquid containing magnesium and nickel and phosphating method thereof | |
| CN100389226C (en) | Metal rust-inhibiting liquid | |
| CN105220160B (en) | A kind of stirred tank rust-proofing method | |
| CN104962897B (en) | Anticorrosion antiwear manganese base Phosphating Solution and preparation method thereof | |
| CN85104742B (en) | Process of rust removing and passivating for iron and steel | |
| CN103103514A (en) | Spraying type iron phosphating comprehensive treatment agent prior to coating of spheroidal graphite casting and preparation method of treatment agent | |
| CN101629297A (en) | Ferrous metal surface treatment mordant additive | |
| CN106191897A (en) | A kind of workpiece rust removing solution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HENGYANG JINHUA SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN LIZE Effective date: 20110804 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 422009 SHAOYANG, HUNAN PROVINCE TO: 421001 HENGYANG, HUNAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110804 Address after: 15 No. 421001 Hunan city of Hengyang province high tech Industrial Development Zone, Changfeng Avenue Patentee after: Hengyang Jinhua Science and Technology Co., Ltd. Address before: 422009 Xinshao County of Hunan province Niang Xi Zhen Tu Qiao Cun Shaoyang Chuangjie Chemical Co. Ltd. Patentee before: Chen Lize |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20130814 |