CN108862637A - The dirt dispersion agent of recirculated cooling water - Google Patents
The dirt dispersion agent of recirculated cooling water Download PDFInfo
- Publication number
- CN108862637A CN108862637A CN201810688354.8A CN201810688354A CN108862637A CN 108862637 A CN108862637 A CN 108862637A CN 201810688354 A CN201810688354 A CN 201810688354A CN 108862637 A CN108862637 A CN 108862637A
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- Prior art keywords
- parts
- poly
- cooling water
- dispersion agent
- recirculated cooling
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Classifications
-
- 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
- C02F5/105—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 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
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
-
- 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
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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)
- Compositions Of Macromolecular Compounds (AREA)
- Detergent Compositions (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention proposes a kind of dirt dispersion agents of recirculated cooling water, according to the number of parts by weight, including following components：15~30 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 15~30 parts of poly-aspartate derivant, 4~8 parts of sodium salicylate, 8~12 parts and 4~8 parts of zinc chloride, 40~60 parts of water of polycarboxylic acid compound；The poly-aspartate derivant is mainly prepared by polysuccinimide, sodium lignin sulfonate and NaAsp.The antiscaling dispersion rate of the dirt dispersion agent of the recirculated cooling water is high, has a wide range of application, environmental-friendly.
Description
Technical field
The invention belongs to water-treatment technology fields, and in particular to a kind of dirt dispersion agent of recirculated cooling water.
Background technique
In cooling water use process, with constantly recycling and being concentrated, the content of water mineral can be also continuously increased,
Exacerbate equipment scaling problem.Further, since water resource is nervous now and ecological requirements, many power plant, chemical plant come into effect
The general technology of zero-emission, zero-emission is：Film concentration again, the salt of film concentration discharge are carried out to the strong brine of recirculated water discharge
Brine is usually sent to evaporation pond and carries out natural evaporation, crystallization, or send to crystallizer, and crystallization is dry to cause solid, transports landfill
It is buried, is finally reached the purpose of entire plant area's zero-emission water, this requires circulating water ratio is high to reduce displacement as far as possible,
To reduce subsequent processing pressure.But recirculated cooling water, with the raising of concentration rate, inorganic salt content can be increased sharply in water,
Scaling pressure can unprecedentedly increase, so it is cold to improve ultra-high magnifications operation dirt dispersion agent must to be added into cooling water
But the quality of water, to prevent equipment scaling, guarantee safe operation.
At present the country water treatment plant family and《Industrial circulating cooling water handles design code》To cold water process parameter request：
Calcium hardness is (with CaCO3Meter)+methyl orange alkalinity is (with CaCO3Meter)≤1100mg/L, but this index far can not reach zero-emission
Technical requirements, to bring immense pressure to subsequent processing.In addition current dirt dispersion agent product is added using concentration height, compounding
Amount is big, narrow to the adaptation range of water quality.
Summary of the invention
The present invention proposes a kind of dirt dispersion agent of recirculated cooling water, the resistance of the dirt dispersion agent of the recirculated cooling water
Dirty dispersion rate is high, has a wide range of application, environmental-friendly.
The technical proposal of the invention is realized in this way：
A kind of dirt dispersion agent of recirculated cooling water, according to the number of parts by weight, including following components：
15~30 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 15~30 parts of poly-aspartate derivant, salicylic acid
4~8 parts of sodium, 8~12 parts and 4~8 parts of zinc chloride, 40~60 parts of water of polycarboxylic acid compound.
Preferably, the polycarboxylic acid compound is the mixture of poly- itaconic acid and poly-epoxy succinic acid.
Including following components preferably, according to the number of parts by weight,：
20 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 4 parts of sodium salicylate, gathers 25 parts of poly-aspartate derivant
10 parts and 4 parts of zinc chloride, 50 parts of water of carboxylic acid compound.
Including following components preferably, according to the number of parts by weight,：
15 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 8 parts of sodium salicylate, gathers 30 parts of poly-aspartate derivant
8 parts and 8 parts of zinc chloride, 60 parts of water of carboxylic acid compound.
Including following components preferably, according to the number of parts by weight,：
25 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 6 parts of sodium salicylate, gathers 20 parts of poly-aspartate derivant
12 parts and 8 parts of zinc chloride, 40 parts of water of carboxylic acid compound.
The preparation method of the dirt dispersion agent of recirculated cooling water of the invention：
Said components are weighed according to the proportion, and acrylic acid-acrylic ester-co-polymer of sulfonate and sodium salicylate are first dissolved into water
In, it is uniformly mixed at 40~50 DEG C, then sequentially adds poly-aspartate derivant and polycarboxylic acid compound, stirring is mixed
After closing uniformly, it is cooled to room temperature, adds zinc chloride and be uniformly mixed.
Beneficial effects of the present invention：
1) present invention improves its resistance due to introducing sulfonic group and carboxylic acid group's group simultaneously in poly-aspartate structure
Dirt and dispersion performance integration capability, scale inhibition and dispersion effect are preferable, have good biodegradability and corrosion inhibition, and have
Very strong heat resistance；Purposes is wide, can be widely applied to recirculating cooling water system, boiler water.
2) dosage of the dirt dispersion agent of recirculated cooling water of the present invention is 5~10mg/L, and dosage is less.It is being added
It, should be (with CaCO in recirculated water under the dirt dispersion agent of 8mg/L3Meter) tolerance reaches 2400mg/L.
Specific embodiment
Embodiment 1
A kind of dirt dispersion agent of recirculated cooling water, according to the number of parts by weight, including following components：
20 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 4 parts of sodium salicylate, gathers 25 parts of poly-aspartate derivant
10 parts and 4 parts of zinc chloride, 50 parts of water of carboxylic acid compound.Polycarboxylic acid compound is the mixed of poly- itaconic acid and poly-epoxy succinic acid
The mass ratio of conjunction object, poly- itaconic acid and poly-epoxy succinic acid is 3:1.
The preparation method of poly-aspartate derivant includes the following steps：
Poly- succinyl is placed in water ultrasonic vibration and forms suspension, then warming-in-water is dripped to 42 DEG C into suspension
Add the aqueous solution of sodium lignin sulfonate and the aqueous solution of NaAsp, then adjust pH to 8 with ammonium hydroxide, reacts 8 hours；It will reaction
Product ethanol washing, being then dried can be obtained poly-aspartate derivant.Polysuccinimide, sodium lignin sulfonate
Molar ratio with NaAsp is 1:1.2:0.4.
Embodiment 2
A kind of dirt dispersion agent of recirculated cooling water, according to the number of parts by weight, including following components：
15 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 8 parts of sodium salicylate, gathers 30 parts of poly-aspartate derivant
8 parts and 8 parts of zinc chloride, 60 parts of water of carboxylic acid compound.Polycarboxylic acid compound is the mixed of poly- itaconic acid and poly-epoxy succinic acid
The mass ratio of conjunction object, poly- itaconic acid and poly-epoxy succinic acid is 2:1.
The preparation method of poly-aspartate derivant includes the following steps：
Poly- succinyl is placed in water ultrasonic vibration and forms suspension, then warming-in-water is dripped to 45 DEG C into suspension
Add the aqueous solution of sodium lignin sulfonate and the aqueous solution of NaAsp, then adjust pH to 9 with ammonium hydroxide, reacts 10 hours；It will be anti-
Product ethanol washing is answered, being then dried can be obtained poly-aspartate derivant.Polysuccinimide, lignin sulfonic acid
The molar ratio of sodium and NaAsp is 1:1:0.3.
Embodiment 3
A kind of dirt dispersion agent of recirculated cooling water, according to the number of parts by weight, including following components：
25 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 6 parts of sodium salicylate, gathers 20 parts of poly-aspartate derivant
12 parts and 8 parts of zinc chloride, 40 parts of water of carboxylic acid compound.Polycarboxylic acid compound is the mixed of poly- itaconic acid and poly-epoxy succinic acid
The mass ratio of conjunction object, poly- itaconic acid and poly-epoxy succinic acid is 1:1.
The preparation method of poly-aspartate derivant includes the following steps：
Poly- succinyl is placed in water ultrasonic vibration and forms suspension, then warming-in-water is dripped to 40 DEG C into suspension
Add the aqueous solution of sodium lignin sulfonate and the aqueous solution of NaAsp, then adjust pH to 10 with ammonium hydroxide, reacts 12 hours；It will be anti-
Product ethanol washing is answered, being then dried can be obtained poly-aspartate derivant.Polysuccinimide, lignin sulfonic acid
The molar ratio of sodium and NaAsp is 1:1.1:0.4.
Embodiment 4
30 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 4 parts of sodium salicylate, gathers 20 parts of poly-aspartate derivant
12 parts and 4 parts of zinc chloride, 45 parts of water of carboxylic acid compound.Polycarboxylic acid compound is the mixed of poly- itaconic acid and poly-epoxy succinic acid
The mass ratio of conjunction object, poly- itaconic acid and poly-epoxy succinic acid is 2:1.
The preparation method of poly-aspartate derivant includes the following steps：
Poly- succinyl is placed in water ultrasonic vibration and forms suspension, then warming-in-water is dripped to 50 DEG C into suspension
Add the aqueous solution of sodium lignin sulfonate and the aqueous solution of NaAsp, then adjust pH to 9 with ammonium hydroxide, reacts 10 hours；It will be anti-
Product ethanol washing is answered, being then dried can be obtained poly-aspartate derivant.Polysuccinimide, lignin sulfonic acid
The molar ratio of sodium and NaAsp is 1:1.2:0.5.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of dirt dispersion agent of recirculated cooling water, which is characterized in that according to the number of parts by weight, including following components：
15~30 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 15~30 parts of poly-aspartate derivant, sodium salicylate 4~
8 parts, 8~12 parts and 4~8 parts of zinc chloride, 40~60 parts of water of polycarboxylic acid compound；The poly-aspartate derivant mainly by
Polysuccinimide, sodium lignin sulfonate and NaAsp are prepared.
2. the dirt dispersion agent of recirculated cooling water according to claim 1, which is characterized in that the polycarboxylic acid chemical combination
Object is the mixture of poly- itaconic acid and poly-epoxy succinic acid.
3. the dirt dispersion agent of recirculated cooling water according to claim 2, which is characterized in that the poly-aspartate spreads out
The preparation method of biology includes the following steps：
Poly- succinyl is placed in water ultrasonic vibration and forms suspension, then warming-in-water is dripped to 40~50 DEG C into suspension
Add the aqueous solution of sodium lignin sulfonate and the aqueous solution of NaAsp, then adjust pH to 8~10 with ammonium hydroxide, reaction 8~12 is small
When；By reaction product ethanol washing, being then dried can be obtained poly-aspartate derivant.
4. the dirt dispersion agent of recirculated cooling water according to claim 3, which is characterized in that the poly- succinyl is sub-
The molar ratio of amine, sodium lignin sulfonate and NaAsp is 1:1~1.2:0.3~0.5.
5. the dirt dispersion agent of recirculated cooling water according to claim 1, which is characterized in that in parts by weight
It calculates, including following components：
20 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 25 parts of poly-aspartate derivant, 4 parts of sodium salicylate, polycarboxylic acids
10 parts and 4 parts of zinc chloride, 50 parts of water of class compound.
6. the dirt dispersion agent of recirculated cooling water according to claim 1, which is characterized in that in parts by weight
It calculates, including following components：
15 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 30 parts of poly-aspartate derivant, 8 parts of sodium salicylate, polycarboxylic acids
8 parts and 8 parts of zinc chloride, 60 parts of water of class compound.
7. the dirt dispersion agent of recirculated cooling water according to claim 1, which is characterized in that in parts by weight
It calculates, including following components：
25 parts of acrylic acid-acrylic ester-co-polymer of sulfonate, 20 parts of poly-aspartate derivant, 6 parts of sodium salicylate, polycarboxylic acids
12 parts and 8 parts of zinc chloride, 40 parts of water of class compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688354.8A CN108862637A (en) | 2018-06-28 | 2018-06-28 | The dirt dispersion agent of recirculated cooling water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688354.8A CN108862637A (en) | 2018-06-28 | 2018-06-28 | The dirt dispersion agent of recirculated cooling water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108862637A true CN108862637A (en) | 2018-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810688354.8A Pending CN108862637A (en) | 2018-06-28 | 2018-06-28 | The dirt dispersion agent of recirculated cooling water |
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| Country | Link |
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| CN (1) | CN108862637A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112624356A (en) * | 2020-12-09 | 2021-04-09 | 鞍钢集团矿业有限公司 | Scale inhibitor for industrial circulating water and preparation method and application thereof |
| CN116969611A (en) * | 2023-09-22 | 2023-10-31 | 杭州尚善若水环保科技有限公司 | Corrosion and scale inhibition mixture and application thereof |
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| CN1621362A (en) * | 2003-11-26 | 2005-06-01 | 北京燕化兴业技术开发公司 | Non-phosphorus compound scale and corrosion inhibitor for treatment of circulating cooling water |
| CN101492207A (en) * | 2009-03-10 | 2009-07-29 | 河北省能源研究所 | Dirt dispersion agent and method of producing the same |
| CN104261575A (en) * | 2014-10-16 | 2015-01-07 | 山东天庆科技发展有限公司 | High-COD special non-phosphorus corrosion and scale inhibitor and preparation method thereof |
| CN108059258A (en) * | 2017-12-28 | 2018-05-22 | 获嘉县宏达环保材料有限公司 | A kind of industrial circulation water treatment antisludging agent and preparation method thereof |
-
2018
- 2018-06-28 CN CN201810688354.8A patent/CN108862637A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621362A (en) * | 2003-11-26 | 2005-06-01 | 北京燕化兴业技术开发公司 | Non-phosphorus compound scale and corrosion inhibitor for treatment of circulating cooling water |
| CN101492207A (en) * | 2009-03-10 | 2009-07-29 | 河北省能源研究所 | Dirt dispersion agent and method of producing the same |
| CN104261575A (en) * | 2014-10-16 | 2015-01-07 | 山东天庆科技发展有限公司 | High-COD special non-phosphorus corrosion and scale inhibitor and preparation method thereof |
| CN108059258A (en) * | 2017-12-28 | 2018-05-22 | 获嘉县宏达环保材料有限公司 | A kind of industrial circulation water treatment antisludging agent and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112624356A (en) * | 2020-12-09 | 2021-04-09 | 鞍钢集团矿业有限公司 | Scale inhibitor for industrial circulating water and preparation method and application thereof |
| CN116969611A (en) * | 2023-09-22 | 2023-10-31 | 杭州尚善若水环保科技有限公司 | Corrosion and scale inhibition mixture and application thereof |
| CN116969611B (en) * | 2023-09-22 | 2024-01-23 | 杭州尚善若水环保科技有限公司 | Corrosion and scale inhibition mixture and application thereof |
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Application publication date: 20181123 |