CN109133388A - A kind of open cooling water system compound water process stabilizer and preparation method thereof - Google Patents
A kind of open cooling water system compound water process stabilizer and preparation method thereof Download PDFInfo
- Publication number
- CN109133388A CN109133388A CN201811142689.6A CN201811142689A CN109133388A CN 109133388 A CN109133388 A CN 109133388A CN 201811142689 A CN201811142689 A CN 201811142689A CN 109133388 A CN109133388 A CN 109133388A
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- Prior art keywords
- cooling water
- open cooling
- benzotriazole
- alkali
- water system
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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
- C02F5/12—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 nitrogen
- C02F5/125—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 nitrogen 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
The invention discloses a kind of compound water process stabilizers of open cooling water system, it is grouped as by group as follows by weight percentage, the polyaspartic acid salts of 10%-25%, the polyepoxysuccinic acid salt of 12%-18%, the alkali-metal citrate of 5%-8%, the benzotriazole of 1%-2%, the silicate of 2%-5%, the organo bromine microbicide of 10%-15%, the organic silicon defoamer of 1%-2%, 1%~2% fluorescent tracer, surplus are desalted water.The invention also discloses preparation methods, and the aqueous solution of benzotriazole is prepared by step (1)；Step (2) is under stirring, alkali silicate is dissolved in remaining desalted water, alkali metal molybdate, alkali-metal citrate, alkali metal polysilicate epoxy succinate is added, add the aqueous solution for the benzotriazole that step (1) obtains, continue to stir 30-120min, product is prepared.Advantages of the present invention: can effectively prevent the migration of corrosive ion, to play the role of protecting metal surface, slow down that corrosion, corrosion mitigating effect is good, pollution-free.
Description
Technical field
The present invention relates to water treatment field, in particular to the compound water process stabilizer of a kind of open cooling water system and its
Preparation method.
Background technique
Water quality of the anti-incrustation corrosion inhibitor, Biocidal algae-killing agent that circulation in the prior art uses as cooling water system
Stabilizer.However the selection of the compatibility and raw material for the raw material of multifunctional product have the defects that it is certain.In the prior art
It is mostly to think independently to add the control be ideally conducive to for various problems in this way.However, from modern wisdom
The angle of water affairs management, this mode individually added is complex, cannot achieve simple control, is unfavorable for controlling and managing comprehensively
Cooling water system is managed, and is unfavorable for completing intelligent monitoring, information-based transmission, intelligent management.
Summary of the invention
The technical problem to be solved in the present invention is to provide one kind to be able to solve cooling water quality fouling, burn into microorganism, bubble
The open cooling water system of the basic problems such as foam compound water process stabilizer and preparation method thereof.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows: at a kind of open cooling water system Compound Water
Manage stabilizer, be grouped as by group as follows by weight percentage, the polyaspartic acid salts of 10%-25%, 12%-18% it is poly-
Epoxy succinate, the alkali-metal citrate of 5%-8%, the benzotriazole of 1%-2%, 2%-5% silicate,
The organo bromine microbicide of 10%-15%, the organic silicon defoamer of 1%-2%, 1%~2% fluorescent tracer, surplus are de-
Salt water.
Preferably, the salt content of the desalted water is 1-5mg/L.
Preferably, the polyaspartic acid salts are one of polyaspartic acid salts sodium and polyaspartic acid salts potassium or two
Kind.
Preferably, the polyepoxysuccinic acid salt is one of polyepoxy sodium succinate and poly-epoxy succinic acid potassium or two
Kind.
Preferably, the alkali silicate is sodium metasilicate or potassium silicate.
Preferably, the alkali-metal citrate is sodium citrate or potassium citrate.
Preferably, the alkali metal polysilicate epoxy succinate is one in polyepoxy sodium succinate and poly-epoxy succinic acid potassium
Kind or two kinds.
It is a further object to provide a kind of compound water process of foregoing open cooling water system to stablize
The preparation method of agent, comprising the following steps:
(1) benzotriazole is dissolved in partially desalted water, obtains the aqueous solution of benzotriazole；
(2) under stirring, alkali silicate is dissolved in remaining desalted water, alkali metal molybdate, alkali is added
Metal citrate, alkali metal polysilicate epoxy succinate add the aqueous solution for the benzotriazole that step (1) obtains, and continue
30-120min is stirred, product is prepared.
Further, in step (1), the mass ratio of the benzotriazole and desalted water is 1:10-1:20.
By adopting the above technical scheme, the present invention can form layer protecting film, the protective film on closed cooling water equipment surface
The migration of corrosive ion can be effectively prevented, to play the role of protecting metal surface, slow down corrosion, corrosion mitigating effect is good, and
And be free of the phosphorus containing components such as organic phosphorus, Phos, without nitrogen containing components such as nitrite, it will not be to environmental emission heavy metal etc.
Pollutant, environmental sound.
Specific embodiment
Specific embodiments of the present invention will be further explained below.It should be noted that for these implementations
The explanation of mode is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, invention described below
Technical characteristic involved in each embodiment can be combined with each other as long as they do not conflict with each other.
Embodiment 1
Present embodiment discloses a kind of compound water process stabilizer of open cooling water system, by as follows with weight
The group of percentages is grouped as, the polyaspartic acid salts of 10%-25%, the polyepoxysuccinic acid salt of 12%-18%, 5%-8%
Alkali-metal citrate, the benzotriazole of 1%-2%, the silicate of 2%-5%, 10%-15% organic bromine class sterilization
Agent, the organic silicon defoamer of 1%-2%, 1%~2% fluorescent tracer, surplus are desalted water.
Preferably, the salt content of the desalted water is 1-5mg/L.
Preferably, the polyaspartic acid salts are one of polyaspartic acid salts sodium and polyaspartic acid salts potassium or two
Kind.
Preferably, the polyepoxysuccinic acid salt is one of polyepoxy sodium succinate and poly-epoxy succinic acid potassium or two
Kind.
Preferably, the alkali silicate is sodium metasilicate or potassium silicate.
Preferably, the alkali-metal citrate is sodium citrate or potassium citrate.
Preferably, the alkali metal polysilicate epoxy succinate is one in polyepoxy sodium succinate and poly-epoxy succinic acid potassium
Kind or two kinds.
Since metasilicate pentahydrate sodium is a kind of anodic corrosion inhibitor, it can form one layer of precipitation membrane in metal surface, should
Precipitation membrane can inhibit the electrochemical reaction of anode, slow down corrosion of metal.
Sodium molybdate is also a kind of anodic corrosion inhibitor, and the molybdate that sodium molybdate ionizes out is a kind of weak oxidant, Neng Gouyu
Passivation reaction occurs for parent metal, forms one layer of passivating film, which can be used as the precipitation membrane formed by metasilicate pentahydrate sodium
Useful supplement, formed synergistic effect further slows down corrosion of metal；
Sodium citrate is the organic inhibitor of multi-hydroxy carboxy acid a kind of, antisludging agent, can cooperate with many corrosion inhibiter and
Synergistic effect is showed, the corrosion mitigating effect of corrosion inhibiter is improved；
Benzotriazole is a kind of copper inhibitor, and blast furnace cooling stave, air port can be prevented by being used for sealing and circulating water system
The corrosion of the copper heat exchange equipment such as small set, continuous cast mold.
Polyepoxy sodium succinate is a kind of phosphorus-free green antisludging agent, can prevent cooling equipment surface under hot conditions from generating
Fouling.
Embodiment 2
Present embodiment discloses the compound water process stabilizer of open cooling water system in a kind of embodiment 1
Preparation method, comprising the following steps:
(1) benzotriazole is dissolved in partially desalted water, obtains the aqueous solution of benzotriazole；
(2) under stirring, alkali silicate is dissolved in remaining desalted water, alkali metal molybdate, alkali is added
Metal citrate, alkali metal polysilicate epoxy succinate add the aqueous solution for the benzotriazole that step (1) obtains, and continue
30-120min is stirred, product is prepared.
Feasible, in step (1), the mass ratio of the benzotriazole and desalted water is 1:10-1:20.
Feasible, those skilled in the art can be according to the needs of field operation, by the benzotriazole and desalination
The mass ratio of water is determined as 1:10；
In above-mentioned steps (2), stir as ordinary skill in the art means, the purpose of stirring is to make alkali metal silicate
Salt, alkali metal molybdate, alkali-metal citrate, the dissolution of alkali metal polysilicate epoxy succinate are more abundant, prevent the life of precipitating
At after the aqueous solution that the benzotriazole that step (1) obtains is added, those skilled in the art can be according to field operation
It needs, continues to stir 30min.
Preparation method according to the present invention, step (1) and step (2) carry out at room temperature.
The total amount of " the remaining desalted water " in " partially desalted water " and step (2) in step (1) is to constitute this hair
Bright middle stabilizer total content.
It is feasible, in step (2), alkali silicate is dissolved in desalted water first, then to alkali silicate
Alkali metal molybdate, alkali-metal citrate, alkali metal polysilicate epoxy succinate are added in aqueous solution, wherein to alkali metal molybdenum
Hydrochlorate, alkali-metal citrate, alkali metal polysilicate epoxy succinate addition sequence be not required.
Feasible, the open cooling water system that the method in embodiment 1 and embodiment 2 is prepared is steady with compound water process
Determining agent can be applied in inclosed recirculated cooling water system.
It is feasible, it is particularly suitable for the inclosed recirculated cooling water system of the equipment such as steel mill's blast furnace, continuous casting, for a large size
Blast furnace can reduce 5-10 tons of total nitrogen discharge amount, total phosphorus emission 0.2-0.5 tons every year.
Stabilizer or corrosion inhibiter of the invention can form layer protecting film, the protective film on closed cooling water equipment surface
The migration of corrosive ion can be effectively prevented, to play the role of protecting metal surface, slow down corrosion.Corrosion inhibiter inhibition effect
Fruit is good, and is free of the phosphorus containing components such as organic phosphorus, Phos, without nitrogen containing components such as nitrite, will not arrange to environment
The pollutants such as heavy metal are put, environmental sound is a kind of environmentally friendly inclosed recirculated cooling water system corrosion inhibiter.
Above the embodiments of the present invention are described in detail, but the present invention is not limited to described embodiments.It is right
For those skilled in the art, in the case where not departing from the principle of the invention and spirit, these embodiments are carried out more
Kind change, modification, replacement and modification, still fall in protection scope of the present invention.
Claims (9)
1. a kind of compound water process stabilizer of open cooling water system, which is characterized in that by as follows by weight percentage
Group is grouped as, the polyaspartic acid salts of 10%-25%, the polyepoxysuccinic acid salt of 12%-18%, 5%-8% alkali metal lemon
Lemon hydrochlorate, the benzotriazole of 1%-2%, the silicate of 2%-5%, the organo bromine microbicide of 10%-15%, 1%-2%
Organic silicon defoamer, 1%~2% fluorescent tracer, surplus be desalted water.
2. a kind of compound water process stabilizer of open cooling water system according to claim 1, which is characterized in that described
The salt content of desalted water is 1-5mg/L.
3. a kind of compound water process stabilizer of open cooling water system according to claim 1, which is characterized in that described
Polyaspartic acid salts are one or both of polyaspartic acid salts sodium and polyaspartic acid salts potassium.
4. a kind of compound water process stabilizer of open cooling water system according to claim 1, which is characterized in that described
Polyepoxysuccinic acid salt is one or both of polyepoxy sodium succinate and poly-epoxy succinic acid potassium.
5. a kind of compound water process stabilizer of open cooling water system according to claim 1, which is characterized in that described
Alkali silicate is sodium metasilicate or potassium silicate.
6. a kind of compound water process stabilizer of open cooling water system according to claim 1, which is characterized in that described
Alkali-metal citrate is sodium citrate or potassium citrate.
7. a kind of compound water process stabilizer of open cooling water system according to claim 1, which is characterized in that described
Alkali metal polysilicate epoxy succinate is one or both of polyepoxy sodium succinate and poly-epoxy succinic acid potassium.
8. a kind of preparation method of the compound water process stabilizer of open cooling water system as claimed in claim, feature exist
In, comprising the following steps:
(1) benzotriazole is dissolved in partially desalted water, obtains the aqueous solution of benzotriazole；
(2) under stirring, alkali silicate is dissolved in remaining desalted water, alkali metal molybdate, alkali metal is added
Citrate, alkali metal polysilicate epoxy succinate add the aqueous solution for the benzotriazole that step (1) obtains, continue to stir
Product is prepared in 30-120min.
9. a kind of open cooling water system according to claim 8 preparation method of compound water process stabilizer, special
Sign is: in step (1), the mass ratio of the benzotriazole and desalted water is 1:10-1:20.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811142689.6A CN109133388A (en) | 2018-09-28 | 2018-09-28 | A kind of open cooling water system compound water process stabilizer and preparation method thereof |
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| CN201811142689.6A CN109133388A (en) | 2018-09-28 | 2018-09-28 | A kind of open cooling water system compound water process stabilizer and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344035A (en) * | 2019-07-17 | 2019-10-18 | 安徽启明表面技术有限公司 | Chemical nickel-plating stabilizer and chemical nickel-plating liquid |
| CN111115856A (en) * | 2019-12-25 | 2020-05-08 | 河南普绿环保科技有限公司 | Green phosphorus-free scale and corrosion inhibition material for circulating cooling water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111115856A (en) * | 2019-12-25 | 2020-05-08 | 河南普绿环保科技有限公司 | Green phosphorus-free scale and corrosion inhibition material for circulating cooling water |
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