CN108640301A - A kind of chemical field anti-incrustation corrosion inhibitor and its preparation process - Google Patents
A kind of chemical field anti-incrustation corrosion inhibitor and its preparation process Download PDFInfo
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- CN108640301A CN108640301A CN201810436932.9A CN201810436932A CN108640301A CN 108640301 A CN108640301 A CN 108640301A CN 201810436932 A CN201810436932 A CN 201810436932A CN 108640301 A CN108640301 A CN 108640301A
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- parts
- corrosion inhibitor
- chemical field
- incrustation corrosion
- field anti
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
- C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Disclosed by the invention to belong to chemical production technical field, specially a kind of chemical field anti-incrustation corrosion inhibitor and its preparation process, which includes following constituent：Imidazolidine derivatives：10 15 parts；2 hydroxyl phosphino- acetic acid：25 parts；Polysucciuimide：48 parts；Poly-epoxy succinic acid：36 parts；Phosphono hydroxy acid salt：69 parts；Benzotriazole：8 10 parts；Ethyl alcohol：10 14 parts；Zinc salt：57 parts；Polysulfonate：10 16 parts and deionized water：15 20 parts, a kind of chemical field anti-incrustation corrosion inhibitor and its preparation process that the invention proposes, the physical absorption of inhibitor molecular and metal surface and the effect of chemisorption can be enhanced, improve corrosion inhibition, there is biodegradability, without phosphorus formula, nontoxic non-secondary pollution, it is environmentally protective, while there is good anti-scaling property, preparation process is simple, and reaction time is short.
Description
Technical field
The present invention relates to chemical production technical field, specially a kind of chemical field anti-incrustation corrosion inhibitor and its preparation work
Skill.
Background technology
With the rapid development that chemical industry produces, chemical industry water consumption also dramatically increases.Cooling water is when in use
It constantly recycling and concentrates, the content of mineral substances in water is also continuously increased, and so as to cause equipment pipe fouling, is corroded, once equipment
Fouling is generated, thermal conductivity will be directly reduced, to waste fuel, increases fuel consumption, causes underdeposit corrosion, shorten equipment
Service life, or even the accidents such as explosion can be caused.Equipment pipe fouling in order to prevent improves utilization rate of equipment and installations, energy saving, water
Source, it is ensured that the normal operation of production needs to add various anti-incrustation corrosion inhibitors in recirculated cooling water.Existing anti-incrustation corrosion inhibitor base
This all contains phosphorus, be easy to cause environmental pollution, and its inhibition efficiency and scale inhibition are less efficient.For this purpose, it is proposed that a kind of chemical industry
Field anti-incrustation corrosion inhibitor and its preparation process.
Invention content
The purpose of the present invention is to provide a kind of chemical field anti-incrustation corrosion inhibitor and its preparation processes, to solve the above-mentioned back of the body
The existing anti-incrustation corrosion inhibitor proposed in scape technology all contains phosphorus substantially, be easy to cause environmental pollution, and its inhibition efficiency and resistance
The less efficient problem of dirt.
To achieve the above object, the present invention provides the following technical solutions：A kind of chemical field anti-incrustation corrosion inhibitor, the chemical industry
Field anti-incrustation corrosion inhibitor includes following constituent：
Imidazolidine derivatives：10-15 parts；2- hydroxyl phosphino- acetic acid：2-5 parts；Polysucciuimide：4-8 parts；Poly- epoxy succinic
Acid：3-6 parts；Phosphono hydroxy acid salt：6-9 parts；Benzotriazole：8-10 parts；Ethyl alcohol：10-14 parts；Zinc salt：5-7 parts；Polysulfonate：
10-16 parts and deionized water：15-20 parts.
Preferably, the zinc salt includes at least one of zinc sulfate or zinc chloride.
Preferably, the imidazolidine derivatives are that imidazolinium compounds is made with quaternary ammonium reagent progress quaternary ammonium reaction.
Preferably, the preparation method of the imidazolinium compounds is：Organic polyamine and catalyst are added, organic acid is housed
Flask in, then carry out magnetic agitation, be warming up to 140-160 degrees Celsius, react 2-4 hours, then temperature rise to 180-
It 220 degrees Celsius, reacts 2-4 hours, is cooled to room temperature.
Preferably, the heating rate is 20-30 degrees Celsius/hour.
A kind of preparation process of chemical field anti-incrustation corrosion inhibitor, the preparation process of the chemical field anti-incrustation corrosion inhibitor
For：Deionized water is added in a kettle：15-20 parts, it is heated to 20-25 degrees Celsius, then sequentially adds zinc salt under stiring：
5-7 parts and polysulfonate：It 10-16 parts, stirs evenly, then heats to 30-35 degrees Celsius, sequentially add imidazoline derivative
Object：10-15 parts, 2- hydroxyl phosphino- acetic acid：2-5 parts, Polysucciuimide：4-8 parts, poly-epoxy succinic acid：3-6 parts, phosphono hydroxy acid
Salt：6-9 parts, benzotriazole：8-10 parts and ethyl alcohol：10-14 parts, continue to stir, mixing time is 20-40 minutes, is stood, so
It is warming up to 35-40 degrees Celsius with the heating rate of 3-5 degrees celsius/minutes afterwards, keeps the temperature 10-15 minutes, you can obtain chemical field
Use anti-incrustation corrosion inhibitor.
Preferably, the stir speed (S.S.) is 300-600 revs/min.
Preferably, the dwell temperature is 0-6 degrees Celsius, and time of repose is 0.6-1 hours.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of chemical field scale inhibitor that the invention proposes
Agent and its preparation process can enhance the physical absorption of inhibitor molecular and metal surface and the effect of chemisorption, improve slow
Corrosion energy has biodegradability, and without phosphorus formula, nontoxic non-secondary pollution is environmentally protective, while having good antiscale
Can, preparation process is simple, and reaction time is short.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of chemical field anti-incrustation corrosion inhibitor, and chemical field anti-incrustation corrosion inhibitor includes following composition
Ingredient：
Imidazolidine derivatives：10-15 parts；2- hydroxyl phosphino- acetic acid：2-5 parts；Polysucciuimide：4-8 parts；Poly- epoxy succinic
Acid：3-6 parts；Phosphono hydroxy acid salt：6-9 parts；Benzotriazole：8-10 parts；Ethyl alcohol：10-14 parts；Zinc salt：5-7 parts；Polysulfonate：
10-16 parts and deionized water：15-20 parts.
Wherein, the zinc salt includes at least one of zinc sulfate or zinc chloride, and the imidazolidine derivatives are imidazoline
Compound carries out quaternary ammonium reaction with quaternary ammonium reagent and is made, and the preparation method of the imidazolinium compounds is：By organic polyamine
It is added in the flask equipped with organic acid with catalyst, then carries out magnetic agitation, be warming up to 140-160 degrees Celsius, reaction 2-4 is small
When, then temperature rise is reacted 2-4 hours, is cooled to room temperature to 180-220 degrees Celsius, and the heating rate is 20-30
Degree Celsius/hour
The present invention also provides a kind of preparation processes of chemical field anti-incrustation corrosion inhibitor：
Embodiment 1
The preparation process of chemical field anti-incrustation corrosion inhibitor is：Deionized water is added in a kettle：It 20 parts, is heated to
25 degrees Celsius, zinc salt is then sequentially added under stiring：5 parts and polysulfonate：It 16 parts, stirs evenly, then heats to 35 and take the photograph
Family name's degree, sequentially adds imidazolidine derivatives：10 parts, 2- hydroxyl phosphino- acetic acid：5 parts, Polysucciuimide：4 parts, poly- epoxy succinic
Acid：6 parts, phosphono hydroxy acid salt：6 parts, benzotriazole：10 parts and ethyl alcohol：10 parts, continue to stir, mixing time is 40 minutes, quiet
It sets, dwell temperature is 6 degrees Celsius, and time of repose is 1 hour, and it is Celsius to be then warming up to 40 with the heating rate of 5 degrees celsius/minutes
Degree keeps the temperature 15 minutes, you can obtains chemical field anti-incrustation corrosion inhibitor, stir speed (S.S.) is 600 revs/min.
Embodiment 2
The preparation process of chemical field anti-incrustation corrosion inhibitor is：Deionized water is added in a kettle：It 15 parts, is heated to
20 degrees Celsius, zinc salt is then sequentially added under stiring：7 parts and polysulfonate：It 10 parts, stirs evenly, then heats to 30 and take the photograph
Family name's degree, sequentially adds imidazolidine derivatives：15 parts, 2- hydroxyl phosphino- acetic acid：2 parts, Polysucciuimide：8 parts, poly- epoxy succinic
Acid：3 parts, phosphono hydroxy acid salt：9 parts, benzotriazole：8 parts and ethyl alcohol：14 parts, continue to stir, mixing time is 2 minutes, quiet
It sets, dwell temperature is 0 degree Celsius, and time of repose is 0.6 hour, is then warming up to 35 with the heating rate of 3 degrees celsius/minutes and takes the photograph
Family name's degree keeps the temperature 10 minutes, you can obtains chemical field anti-incrustation corrosion inhibitor, stir speed (S.S.) is 300 revs/min.
Embodiment 3
The preparation process of chemical field anti-incrustation corrosion inhibitor is：Deionized water is added in a kettle：17.5 parts, heating
To 22.5 degrees Celsius, zinc salt is then sequentially added under stiring：6 parts and polysulfonate：It 13 parts, stirs evenly, then heats to
32.5 degrees Celsius, sequentially add imidazolidine derivatives：12.5 parts, 2- hydroxyl phosphino- acetic acid：3.5 parts, Polysucciuimide：6 parts,
Poly-epoxy succinic acid：4.5 parts, phosphono hydroxy acid salt：7.5 parts, benzotriazole：9 parts and ethyl alcohol：12 parts, continue to stir, when stirring
Between be 30 minutes, stand, dwell temperature be 3 degrees Celsius, time of repose be 0.8 hour, then with the heating of 4 degrees celsius/minutes
Rate is warming up to 37.5 degrees Celsius, keeps the temperature 12.5 minutes, you can obtain chemical field anti-incrustation corrosion inhibitor, stir speed (S.S.) 450
Rev/min.
Chosen material is Q235 steel discs, and size is 100 × 100 × 5 millimeters, and the testing time is 72 hours, and experimental temperature is
60 degrees Celsius, respectively the anti-incrustation corrosion inhibitor made from embodiment 1, embodiment 2 and embodiment 3 tested, scale inhibitor effect
It see the table below.
| Serial number | Corrosion inhibition rate | Scale inhibition performance | Appearance |
| Embodiment 1 | 93.5% | 92.7% | There is minute quantity attachment, easily removes, surface-brightening |
| Embodiment 2 | 98.8% | 96.7% | Surface-brightening, no spot corrosion |
| Embodiment 3 | 95.7% | 94.3% | There is minute quantity attachment, easily removes, surface-brightening |
In summary embodiment, highly preferred embodiment of the present invention be embodiment 2, the chemical field anti-incrustation corrosion inhibitor and its
Preparation process can enhance the physical absorption of inhibitor molecular and metal surface and the effect of chemisorption, improve corrosion inhibition,
With biodegradability, without phosphorus formula, nontoxic non-secondary pollution is environmentally protective, while having good anti-scaling property, prepares
Simple for process, reaction time is short.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of chemical field anti-incrustation corrosion inhibitor, it is characterised in that：Chemical field anti-incrustation corrosion inhibitor includes following composition
Ingredient：
Imidazolidine derivatives：10-15 parts；2- hydroxyl phosphino- acetic acid：2-5 parts；Polysucciuimide：4-8 parts；Poly-epoxy succinic acid：
3-6 parts；Phosphono hydroxy acid salt：6-9 parts；Benzotriazole：8-10 parts；Ethyl alcohol：10-14 parts；Zinc salt：5-7 parts；Polysulfonate：10-
16 parts and deionized water：15-20 parts.
2. a kind of chemical field anti-incrustation corrosion inhibitor according to claim 1, it is characterised in that：The zinc salt includes sulfuric acid
At least one of zinc or zinc chloride.
3. a kind of chemical field anti-incrustation corrosion inhibitor according to claim 1, it is characterised in that：The imidazolidine derivatives
Quaternary ammonium reaction is carried out for imidazolinium compounds and quaternary ammonium reagent to be made.
4. a kind of chemical field anti-incrustation corrosion inhibitor according to claim 3, it is characterised in that：The imidazolinium compounds
Preparation method be：Organic polyamine and catalyst are added in the flask equipped with organic acid, magnetic agitation is then carried out, is warming up to
It 140-160 degrees Celsius, reacts 2-4 hours, then to 180-220 degrees Celsius, reaction 2-4 hours is cooled to room temperature temperature rise
.
5. a kind of chemical field anti-incrustation corrosion inhibitor according to claim 4, it is characterised in that：The heating rate is
20-30 degrees Celsius/hour.
6. a kind of preparation process of chemical field anti-incrustation corrosion inhibitor, it is characterised in that：The chemical field anti-incrustation corrosion inhibitor
Preparation process is：Deionized water is added in a kettle：15-20 parts, it is heated to 20-25 degrees Celsius, then under stiring successively
Zinc salt is added：5-7 parts and polysulfonate：It 10-16 parts, stirs evenly, then heats to 30-35 degrees Celsius, sequentially add miaow
Oxazoline derivative：10-15 parts, 2- hydroxyl phosphino- acetic acid：2-5 parts, Polysucciuimide：4-8 parts, poly-epoxy succinic acid：3-6 parts,
Phosphono hydroxy acid salt：6-9 parts, benzotriazole：8-10 parts and ethyl alcohol：10-14 parts, continue to stir, mixing time is 20-40 points
Clock is stood, and is then warming up to 35-40 degrees Celsius with the heating rate of 3-5 degrees celsius/minutes, keeps the temperature 10-15 minutes, you can
To chemical field anti-incrustation corrosion inhibitor.
7. a kind of preparation process of chemical field anti-incrustation corrosion inhibitor according to claim 6, it is characterised in that：It is described to stir
It is 300-600 revs/min to mix rate.
8. a kind of preparation process of chemical field anti-incrustation corrosion inhibitor according to claim 6, it is characterised in that：It is described quiet
It is 0-6 degrees Celsius to set temperature, and time of repose is 0.6-1 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436932.9A CN108640301A (en) | 2018-05-09 | 2018-05-09 | A kind of chemical field anti-incrustation corrosion inhibitor and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436932.9A CN108640301A (en) | 2018-05-09 | 2018-05-09 | A kind of chemical field anti-incrustation corrosion inhibitor and its preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108640301A true CN108640301A (en) | 2018-10-12 |
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ID=63753986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810436932.9A Pending CN108640301A (en) | 2018-05-09 | 2018-05-09 | A kind of chemical field anti-incrustation corrosion inhibitor and its preparation process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020597A (en) * | 2019-12-23 | 2020-04-17 | 西安三维科技发展有限责任公司 | Oil-soluble corrosion inhibitor for gas well oil pipe and preparation method thereof |
| CN114014448A (en) * | 2021-11-10 | 2022-02-08 | 山东天庆科技发展有限公司 | Environment-friendly low-phosphorus scale and corrosion inhibitor for circulating cooling water and preparation method thereof |
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| US4713184A (en) * | 1985-09-26 | 1987-12-15 | Zaid Najib H | Dispersed oil soluble corrosion inhibitor and water soluble phosphonate scale inhibitor composition |
| CN1654368A (en) * | 2004-02-11 | 2005-08-17 | 北京拓凯化工技术有限公司 | Environmental-protection high-efficiency low-phosphonic scale inhibitor composition and its preparation method and use |
| CN101613622A (en) * | 2009-07-29 | 2009-12-30 | 中国石油化工集团公司 | A kind of composite inhibiter and its production and use |
| CN104528963A (en) * | 2014-12-10 | 2015-04-22 | 山东天庆科技发展有限公司 | Micro-phosphorus scale and corrosion inhibitor and preparation method thereof |
| CN104609578A (en) * | 2013-11-01 | 2015-05-13 | 湖州欧美新材料有限公司 | Multi-component corrosion and scale inhibitor |
-
2018
- 2018-05-09 CN CN201810436932.9A patent/CN108640301A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| US4713184A (en) * | 1985-09-26 | 1987-12-15 | Zaid Najib H | Dispersed oil soluble corrosion inhibitor and water soluble phosphonate scale inhibitor composition |
| CN1654368A (en) * | 2004-02-11 | 2005-08-17 | 北京拓凯化工技术有限公司 | Environmental-protection high-efficiency low-phosphonic scale inhibitor composition and its preparation method and use |
| CN101613622A (en) * | 2009-07-29 | 2009-12-30 | 中国石油化工集团公司 | A kind of composite inhibiter and its production and use |
| CN104609578A (en) * | 2013-11-01 | 2015-05-13 | 湖州欧美新材料有限公司 | Multi-component corrosion and scale inhibitor |
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|---|
| 尹卫平等: "《精细化工产品及工艺》", 31 August 2009, 华东理工大学出版社 * |
| 朱月海等: "《工业给水处理》", 30 September 2016, 同济大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020597A (en) * | 2019-12-23 | 2020-04-17 | 西安三维科技发展有限责任公司 | Oil-soluble corrosion inhibitor for gas well oil pipe and preparation method thereof |
| CN114014448A (en) * | 2021-11-10 | 2022-02-08 | 山东天庆科技发展有限公司 | Environment-friendly low-phosphorus scale and corrosion inhibitor for circulating cooling water and preparation method thereof |
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