CN103910439A - High chlorine ion-resistant corrosion inhibitor and preparation method thereof - Google Patents
High chlorine ion-resistant corrosion inhibitor and preparation method thereof Download PDFInfo
- Publication number
- CN103910439A CN103910439A CN201310740799.3A CN201310740799A CN103910439A CN 103910439 A CN103910439 A CN 103910439A CN 201310740799 A CN201310740799 A CN 201310740799A CN 103910439 A CN103910439 A CN 103910439A
- Authority
- CN
- China
- Prior art keywords
- parts
- sodium
- preparation
- weight
- stirring
- 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
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention provides a high chlorine ion-resistant corrosion inhibitor and a preparation method thereof. The high chlorine ion-resistant corrosion inhibitor is prepared from 10-15 parts by weight of sodium dodecyl benzene sulfonate, 10-15 parts by weight of sodium borate, 15-20 parts by weight of sodium nitrite, 10 parts by weight of mercaptobenzotriazole, 5 parts by weight of dimethylformamide, 5-10 parts by weight of dodecyl dimethyl betaine and 35-45 parts by weight of purified water. The preparation method comprises the following steps of adding mercaptobenzotriazole into a reactor, then adding dimethylformamide into the reactor, starting stirring, adding purified water into the mixture after stirring for 8-12min, sequentially carrying out stirring under the conditions of a normal temperature, normal pressure and a stirring rate of 100r/min until the mixture is completely dissolved and the solution is clear, orderly adding sodium dodecyl benzene sulfonate, sodium borate, sodium nitrite and dodecyl dimethyl betaine into the solution, and carrying out stirring for dissolution to obtain a uniform finished product.
Description
Technical field
The present invention relates to systemic circulation water treatment corrosion inhibitors, the inhibiter that uses good anti-high chloride ion in PVC system of screening, result of use is outstanding, the good operation that can keep equipment.
Background technology
Conventional stainless steel equipment water cooler in PVC circulating water system, the accident of corrosion failure is but very serious.Along with the shortage at water source, reasonable use of water recycling is extremely urgent, and the reason not increasing due to cycles of concentration is the restriction that is subject to chlorine ion concentration, according to the requirement of GB GB50050-2007 Code for design of industrial recirculating cooling water treatment, stainless heat exchanger equipment, water is walked tube side CI
-≤ 1000mg/L.Water is walked shell side, and heat-transfer surface water sidewall temperature is not more than 70 DEG C, and water coolant leaving water temperature(LWT) is less than 45 DEG C, CI
-the standard of≤700mg/L Corrosion of Stainless Steel speed≤0.005mm/a..In daily PVC circulating water system, due to the raising of cycles of concentration, chlorine ion concentration is much larger than 700mg/L, the Corrosion of Stainless Steel speed > 0.005mm/a. requirement that is above standard.
Literature search discloses: by author Li Bengao, Zhu Zehua, Li Yongcun chief editor " Treatment of Industrial Water technology (the 6th) P165 ", do not relate to main contents of the present invention.
The present invention filters out the compound C that contains
12sodium alkylphenylsulfonateas as surfactant, can make stainless steel disruptive potential greatly improve, and shows the inhibiter of excellent inhibition pitting generating ability, and to improving cycles of concentration, energy-saving and water-saving etc., produce great productive value undoubtedly.
Summary of the invention
The object of the invention is to: provide a kind of in PVC circulating water system, anti-high chloride ion improves cycles of concentration, the inhibiter of energy-saving and water-saving.
The present invention seeks to realize like this: a kind of anti-high chloride ion inhibiter and preparation method thereof, raw material is prepared with parts by weight, implements step by step;
Formula: by 10-15 part C
12sodium alkyl benzene sulfonate, 10-15 part Sodium Tetraborate, 15-20 part nitrous acid acid sodium, 10 parts of sulfydryl phenylpropyl alcohol triazoles, 5 parts of dimethyl formamides, 5-10 part C
12alkyl betaine, 35-45 part pure water composition;
Preparation: add sulfydryl phenylpropyl alcohol triazole in reactor, then add dimethyl formamide to open stirring, add pure water after stirring 8-12min, under normal temperature, condition of normal pressure, stirring velocity 100r/min, is stirred to dissolving limpid, adds successively C
12sodium alkyl benzene sulfonate, Sodium Tetraborate, nitrous acid acid sodium, C
12alkyl betaine, the even finished product that obtains of stirring and dissolving.
Know-why of the present invention: add C
12sodium alkylphenylsulfonateas as surfactant, then add sulfydryl benzotriazole, can reduce surface tension, can make stainless steel disruptive potential greatly improve, can improve corrosion inhibiting ability, synergistic function is obvious, eliminates the settling on stainless heat exchanger surface, keeping the clean of interchanger face is the prerequisite of avoiding stainless steel pitting, therefore keep metallic surface homogenization very important, this inhibiter shows excellent inhibition pitting generating ability, corrosion mitigating effect excellence, anti-chlorine ion is strong, shows technical progress.
Embodiment
The present invention is described further in conjunction with the embodiments.
Embodiment, with parts by weight preparation raw material;
Formula A:10 part C
12sodium alkyl benzene sulfonate, 10 parts of Sodium Tetraboratees, 20 parts of nitrous acid acid sodium, 10 parts of sulfydryl phenylpropyl alcohol triazoles, 5 parts of dimethyl formamides, 5 parts of C
12alkyl betaine, 40 parts of water compositions;
Formula B:10 part C
12sodium alkyl benzene sulfonate, 15 parts of Sodium Tetraboratees, 15 parts of nitrous acid acid sodium, 10 parts of sulfydryl phenylpropyl alcohol triazoles, 5 parts of dimethyl formamides, 10 parts of C
12alkyl betaine, 35 parts of water compositions;
Formula C:15 part C
12sodium alkyl benzene sulfonate, 10 parts of Sodium Tetraboratees, 10 parts of nitrous acid acid sodium, 10 parts of sulfydryl phenylpropyl alcohol triazoles, 5 parts of dimethyl formamides, 10 parts of C
12alkyl betaine, 40 parts of water compositions.
Select arbitrary group of A, B, C, preparation: in reactor, add sulfydryl phenylpropyl alcohol triazole, dimethyl formamide, opens and stir, after 10min, add water, under normal temperature, condition of normal pressure, stirring velocity 100rpm, is stirred to dissolving limpid, adds successively C
12sodium alkyl benzene sulfonate, Sodium Tetraborate,, be stirred to and dissolve limpidly, add successively C
12sodium alkyl benzene sulfonate, Sodium Tetraborate, nitrous acid acid sodium, C
12alkyl betaine, the even finished product that obtains of stirring and dissolving.
Inhibiter of the present invention is verified stainless corrosion inhibition test:
Test method and material: test temperature 50 is spent, time 72h: select 18-8 and 316L20# stainless steel as experiment material, at pH8.1CI
-concentration 1400mg/L inhibiter consumption 40mg/L, obtains 18-18 and 316L Corrosion of Stainless Steel result.
Corrosion weight loss after testing by rotary hanging plate is evaluated the ability that inhibiter suppresses stainless steel pitting, the results are shown in Table 1,2.
The different Huey test results of table 1
Learnt by upper table 1, under same concentrations, 316L stainless steel corrosion resistance is better than 18-18.
The different inhibiter of table 2 are in 316L stainless steel test-results
Learnt by upper table 2: different inhibiter are in 316L stainless steel test-results, and another filters out high-quality formula C composite corrosion inhibitor.
The present invention is by above-mentioned data acknowledgement, and present method is produced the CI of product
-at 1400mg/L, and reaching GB50050-2007 Code for design of industrial recirculating cooling water treatment requirement erosion rate≤0.005mm/a, is that a kind of energy-saving and emission-reduction improve cycles of concentration, the preferred inhibiter of anti-high chloride ion.
The C that the present invention selects
12sodium alkyl benzene sulfonate is the prosperous Chemical Manufacture in Dongying sea, Shandong; Sulfydryl phenylpropyl alcohol triazole is that Dong Tao Chemical Engineering Technology company limited of Zaozhuang City produces; Dimethyl formamide is that Shanghai Zi Ye Chemical Co., Ltd. produces; C
12alkyl betaine is that Shanghai Jinshan longitude and latitude Chemical Co., Ltd. produces; Sodium Tetraborate is bright Chemical Manufacture of Zhengzhou, henan spring; Nitrous acid acid sodium is that Jiang Cheng Chemical Co., Ltd. produces.
Claims (3)
1. anti-high chloride ion inhibiter and preparation method thereof, is characterized in that: raw material is prepared with parts by weight, implements step by step;
Formula: by 10-15 part C
12sodium alkyl benzene sulfonate, 10-15 part Sodium Tetraborate, 15-20 part nitrous acid acid sodium, 10 parts of sulfydryl phenylpropyl alcohol triazoles, 5 parts of dimethyl formamides, 5-10 part C
12alkyl betaine, 35-45 part pure water composition;
Preparation: first add sulfydryl phenylpropyl alcohol triazole in reactor, then add dimethyl formamide to open stirring, stir after 8-12min, add pure water, under normal temperature, condition of normal pressure, stirring velocity 100r/min, is stirred to dissolving limpid, adds successively C
12sodium alkyl benzene sulfonate, Sodium Tetraborate, nitrous acid acid sodium, C
12alkyl betaine, the even finished product that obtains of stirring and dissolving.
2. according to inhibiter claimed in claim 1 and preparation method thereof, it is characterized in that: the CI of product
-at 1400mg/L, reach GB50050-2007 Code for design of industrial recirculating cooling water treatment requirement erosion rate≤0.005 mm/a.
3. according to inhibiter claimed in claim 1 and preparation method thereof, it is characterized in that: experiment institute with medicament is commercially available prod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740799.3A CN103910439B (en) | 2013-12-27 | 2013-12-27 | A kind of anti-high chloride ion inhibiter and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740799.3A CN103910439B (en) | 2013-12-27 | 2013-12-27 | A kind of anti-high chloride ion inhibiter and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103910439A true CN103910439A (en) | 2014-07-09 |
| CN103910439B CN103910439B (en) | 2016-01-06 |
Family
ID=51036495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310740799.3A Active CN103910439B (en) | 2013-12-27 | 2013-12-27 | A kind of anti-high chloride ion inhibiter and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103910439B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106011869A (en) * | 2016-06-19 | 2016-10-12 | 竹洪燕 | Corrosion inhibitor capable of effectively resisting chloride ion corrosion and preparation method thereof |
| CN114684931A (en) * | 2020-12-28 | 2022-07-01 | 中国石油化工股份有限公司 | Corrosion inhibitor suitable for high-salt and high-chlorine working condition and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534692A1 (en) * | 1991-09-25 | 1993-03-31 | Texaco Development Corporation | Corrosion inhibitor combinations and process for inhibiting corrosion in heat transfer fluids |
| WO2003018487A1 (en) * | 2001-08-24 | 2003-03-06 | Dober Chemical Corporation | Sustained release coolant additive compositions |
| CN101607766A (en) * | 2009-05-25 | 2009-12-23 | 新疆德蓝股份有限公司 | A kind of preparation that is used for the corrosion inhibiting and descaling agent of high alkaline high chlorine circulating cooling water |
| CN101634030A (en) * | 2009-01-22 | 2010-01-27 | 湖南省湘电试验研究院有限公司 | Acid-cleaning inhibiter for cleaning boiler and use method thereof |
| WO2010083112A1 (en) * | 2009-01-13 | 2010-07-22 | Nalco Company | Composition and method for reducing white rust corrosion in industrial water systems |
| CN102531203A (en) * | 2012-02-03 | 2012-07-04 | 上海韬鸿化工科技有限公司 | Corrosion inhibitor for boiler acid washing and production method thereof |
-
2013
- 2013-12-27 CN CN201310740799.3A patent/CN103910439B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534692A1 (en) * | 1991-09-25 | 1993-03-31 | Texaco Development Corporation | Corrosion inhibitor combinations and process for inhibiting corrosion in heat transfer fluids |
| WO2003018487A1 (en) * | 2001-08-24 | 2003-03-06 | Dober Chemical Corporation | Sustained release coolant additive compositions |
| WO2010083112A1 (en) * | 2009-01-13 | 2010-07-22 | Nalco Company | Composition and method for reducing white rust corrosion in industrial water systems |
| CN101634030A (en) * | 2009-01-22 | 2010-01-27 | 湖南省湘电试验研究院有限公司 | Acid-cleaning inhibiter for cleaning boiler and use method thereof |
| CN101607766A (en) * | 2009-05-25 | 2009-12-23 | 新疆德蓝股份有限公司 | A kind of preparation that is used for the corrosion inhibiting and descaling agent of high alkaline high chlorine circulating cooling water |
| CN102531203A (en) * | 2012-02-03 | 2012-07-04 | 上海韬鸿化工科技有限公司 | Corrosion inhibitor for boiler acid washing and production method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106011869A (en) * | 2016-06-19 | 2016-10-12 | 竹洪燕 | Corrosion inhibitor capable of effectively resisting chloride ion corrosion and preparation method thereof |
| CN114684931A (en) * | 2020-12-28 | 2022-07-01 | 中国石油化工股份有限公司 | Corrosion inhibitor suitable for high-salt and high-chlorine working condition and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103910439B (en) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Gao et al. | Synthesis of polyaspartic acid derivative and evaluation of its corrosion and scale inhibition performance in seawater utilization | |
| CN104058511A (en) | Non-phosphorus composite corrosion and scale inhibitor used for circulating water | |
| CN103553219B (en) | Preparation method and application of corrosion and scale inhibitor for ethylene glycol sealed circulating water | |
| CN106867481A (en) | Engine coolant and its preparation technology | |
| CN105036363B (en) | A kind of composite corrosion inhibitor of suitable demineralized water and preparation method | |
| CN104475057A (en) | Sewage treatment agent | |
| CN102268674B (en) | Non-cyanide chemical nickel-stripping solution | |
| WO2018119973A1 (en) | Hydrochloric acid pickling inhibitor and preparation method therefor | |
| CN1297623C (en) | Process for enhancing stability of cooling liquid for engine | |
| CN105386066A (en) | Carbon steel pickling solution and use thereof | |
| CN107365922A (en) | Full intelligent ground descaling device | |
| CN103910439B (en) | A kind of anti-high chloride ion inhibiter and preparation method thereof | |
| CN102424962B (en) | Corrosion inhibitor for copper and copper alloy, and preparation method thereof | |
| CN102718332A (en) | Scale dissolution and corrosion inhibition agent for industrial circulating water and preparation method | |
| CN102295355B (en) | Identifiable environmentally-friendly scale and corrosion inhibitor | |
| CN104528966B (en) | A kind of corrosion-proofing and antisludging method of aluminium heat-exchange device | |
| CN103225083B (en) | A kind of application of acethydrazide compound as inhibiter containing thiophene heterocycle | |
| CN106811609B (en) | A kind of method of bastnasite production rare earth fluoride | |
| CN109576088A (en) | A kind of preparation method for the scale cleaning agent that changes colour | |
| CN103553218B (en) | A kind of composite corrosion inhibitor | |
| CN103232118B (en) | Sodium lignin sulfonate compound corrosion and scale inhibitor and preparation method thereof | |
| CN103265126A (en) | Non-phosphorus environment-friendly softening water corrosion inhibitor | |
| CN105525293A (en) | Aluminum alloy polishing additive and preparation method thereof | |
| CN102559950B (en) | A kind of waste liquid that circulates carries out the leather-making technology of the large-scale production of pickling chrome tanning | |
| CN107698041A (en) | A kind of recirculating cooling water system corrosion inhibiting and descaling agent using desalinization water as moisturizing |
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 |