CN102583785A - Circulating cooling water corrosion inhibitor, and preparation and application thereof - Google Patents
Circulating cooling water corrosion inhibitor, and preparation and application thereof Download PDFInfo
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- CN102583785A CN102583785A CN2012100247166A CN201210024716A CN102583785A CN 102583785 A CN102583785 A CN 102583785A CN 2012100247166 A CN2012100247166 A CN 2012100247166A CN 201210024716 A CN201210024716 A CN 201210024716A CN 102583785 A CN102583785 A CN 102583785A
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Abstract
The invention discloses a circulating cooling water corrosion inhibitor, and the preparation and the application thereof. The circulating cooling water corrosion inhibitor comprises following components by mass percentage: 5 to 12 percent of N, N-bis phosphonyl methyl aspartic acid, 5 to 10 percent of polyethylene polyamine, 2 to 5 percent of octadecylamine, 2 to 5 percent of acrylic acid-acrylate-sulfonate terpolymer, 0.5 to 2.5 percent of diethylene triamine pentamethylene phosphonic acid, 0.5 to 2.5 percent of 2-phosphonobutane-1,2,4-tricarboxylic acid, 0.5 to 1.5 percent of tdlyltriazole, 0.5 to 1.5 percent of N-alkyl amino-2-perfluoroalkyl imidazoline quaternary ammonium salt, 0.5 to 1.5 percent of sodium alginate, 4 to 6 percent of sodium chromate, 0.5 to 3 percent of zinc chloride and the rest percent of water. The circulating cooling water corrosion inhibitor disclosed by the invention belongs to environmentally-friendly products, achieves a good corrosion inhibition effect, has a high anti-calcium-carbonate rate and can be used for corrosion inhibition treatment of a closed type circulating water system.
Description
Technical field
The present invention relates to a kind of recirculated cooling water inhibiter and preparation thereof and application.
Background technology
Human development and progress is to be the basis with natural resources and human environment of depending on for existence.China's Freshwater resources rich occupies the 5th in the world.But per capita resources occupies the 18 in the world.Therefore water resources is not rich.Along with China's Increase of population and rapid economy development, limited water resource is shortage more.The water resource pollution of China also is very serious.See that from national situation urban water shortage is serious at present, has caused serious economy loss and social environment problem.The lack of water city distributes and is spread to the whole nation gradually by North China, northeast, the Northwest and the coastal eastern region of concentrating at present.
Therefore water saving, administer sewage and develop the effect that new water source has no less important.The most important thing is process water in the town water.The consumption of water coolant ranks first in the process water.Therefore practicing thrift water coolant becomes primary target.The main method of practicing thrift water coolant is to take recirculated cooling water and improve cycles of concentration.But the harmful ion composition behind the employing recirculated cooling water in the water increases, and from cooling tower, brings a large amount of dissolved oxygens, dust and bacterium again into, and water quality is degenerated, so that brings problems such as burn into fouling, bacterium algae and foundry loam to cooling water system.Greatly developing Water Treatment Chemicals plays an important role to water saving, improvement sewage.Water conditioner be in process water, domestic water, the wastewater treatment process the chemical agent that must use.Use through these chemical agents makes water reach the certain quality requirement.The main effect of water conditioner is the formation of control incrustation scale, mud, reduces foam, reduces the corrosion of the material that contact with water, removes suspended solids and toxic substance in anhydrating, and deodorization and discoloration softens and stabilizing water quality etc.Therefore, water conditioner can be divided into four types of main medicaments.Be inhibiter, Scale inhibitors, sterilant and flocculation agent.China's water conditioner just draws attention after introducing the large chemical fertilizer device seventies and progressively grows up.After this developed a series of water conditioner.
Summary of the invention
In order to solve the above-mentioned deficiency that prior art exists, one of technical problem to be solved by this invention provides a kind of recirculated cooling water inhibiter.
Two of technical problem to be solved by this invention provides the preparation method of above-mentioned recirculated cooling water inhibiter.
Three of technical problem to be solved by this invention provides the application of above-mentioned recirculated cooling water inhibiter.
Technical scheme of the present invention is achieved in that
A kind of recirculated cooling water inhibiter, form by mass percentage by following component:
N, the two (phosphonomethyl) aspartic acid 5-12% of N-;
Polyethylene polyamine 5-10%;
Octadecylamine 2-5%;
Vinylformic acid-propenoate-sulphonate terpolymer 2-5%;
Diethylene triamine pentamethylene phosphonic 0.5-2.5%;
2-phosphonate group-1,2,4-butane tricarboxylate 0.5-2.5%;
TTA 0.5-1.5%;
N-alkylamino-2-perfluoroalkyl imidazoline quaternary ammonium salt 0.5-1.5%;
Sodium alginate 0.5-1.5%;
Sodium chromate-51Cr 4-6%;
Zinc chloride 0.5-3%;
Surplus is a water.
The present invention also provides the preparation method of above-mentioned recirculated cooling water inhibiter; Heat water to 40-60 ℃; Again with N; The two (phosphonomethyl) aspartic acids of N-, polyethylene polyamine, octadecylamine, vinylformic acid-propenoate-sulphonate terpolymer, diethylene triamine pentamethylene phosphonic, 2-phosphonate group-1,2,4-butane tricarboxylate, TTA, N-alkylamino-2-perfluoroalkyl imidazoline quaternary ammonium salt, sodium alginate, Sodium chromate-51Cr and zinc chloride add in the entry; Mix, can make recirculated cooling water inhibiter of the present invention.
The present invention also provide above-mentioned recirculated cooling water inhibiter purposes, the inhibition that can be used for the closed circulating water system is handled.
Preferably,
Said closed circulating water system comprises production labor skill cooling water system, central air-conditioning media water system and is the system of media with hot water.
Said production labor skill cooling water system comprises that production in automobile industry is with closed technology cooling water system.
Further, the method for use of said closed circulating water corrosion inhibitor is: the above-mentioned recirculated cooling water inhibiter that in closed circulating water, adds 200-400mg/l.
With respect to prior art, beneficial effect of the present invention is embodied as:
(1) the used most polymer raw materials of the present invention are the biodegradable product, belong to environmental friendly product;
(2) can both give excellent protection to iron and steel, copper, zinc, aluminium and other alloys thereof;
(3) the pH value scope very wide (pH=6-11) that is suitable for;
(4) corrosion mitigating effect is good, and resistance lime carbonate rate is high.
Embodiment
Embodiment 1
Raw material is prepared:
Take by weighing 100 kilograms of raw materials, wherein:
N, 5 kilograms of the two (phosphonomethyl) aspartic acids of N-;
10 kilograms of polyethylene polyamines;
2 kilograms of octadecylamines;
5 kilograms of vinylformic acid-propenoate-sulphonate terpolymer;
0.5 kilogram of diethylene triamine pentamethylene phosphonic;
2-phosphonate group-1,2,2.5 kilograms of 4-butane tricarboxylates;
0.5 kilogram of TTA;
1.5 kilograms of N-alkylaminos-2-perfluoroalkyl imidazoline quaternary ammonium salt;
0.5 kilogram of sodium alginate;
6 kilograms of Sodium chromate-51Crs;
0.5 kilogram of zinc chloride.
Surplus is a water.
Be water and N; The two (phosphonomethyl) aspartic acids of N-, polyethylene polyamine, octadecylamine, vinylformic acid-propenoate-sulphonate terpolymer, diethylene triamine pentamethylene phosphonic, 2-phosphonate group-1; 2, the gross weight of 4-butane tricarboxylate, TTA, N-alkylamino-2-perfluoroalkyl imidazoline quaternary ammonium salt, sodium alginate, Sodium chromate-51Cr and zinc chloride is 100 kilograms.
Heat water to 40-60 ℃; Again with N; The two (phosphonomethyl) aspartic acids of N-, polyethylene polyamine, octadecylamine, vinylformic acid-propenoate-sulphonate terpolymer, diethylene triamine pentamethylene phosphonic, 2-phosphonate group-1,2,4-butane tricarboxylate, TTA, N-alkylamino-2-perfluoroalkyl imidazoline quaternary ammonium salt, sodium alginate, Sodium chromate-51Cr and zinc chloride add in the entry; Mix, can make recirculated cooling water inhibiter of the present invention.
The inhibition that can be used for the closed circulating water system of recirculated cooling water inhibiter of the present invention is handled.Specifically comprise production labor skill cooling water system, central air-conditioning media water system and be the system of media with hot water.Further, said production labor skill cooling water system comprises that production in automobile industry is with closed technology cooling water system.
The method of use of closed circulating water corrosion inhibitor according to the invention is: the above-mentioned recirculated cooling water inhibiter that in closed circulating water, adds 200-400mg/l.
Amount with the 400mg/l water coolant adds body of a motor car welding technology Enclosed Type Circulating Cooling Water System; Conductivity contribution: 106uS/cm, following with reference to the inhibiter standard analysis result of the water conditioner in " mensuration of GB/T18175-2000 water conditioner corrosion inhibition ": the carbon steel corrosion inhibition rate reaches 98.3%.Be shown as inhibiter efficiently.
Carried out the static-state scale inhibition test according to State Standard of the People's Republic of China GB/T16632-2008 " the mensuration tosca method of water treatment scale performance ".
Test apparatus and equipment: porous thermostat water bath.
The preparation of test solution: in the 500mL volumetric flask, add 250mL water, with the calcium chloride standardized solution of drop-burette adding certain volume, the amount that makes calcium ion is 120mg.Add 5.0mL water conditioner sample solution with transfer pipet, shake up.Add the 20mL borax buffer solution then, shake up.Slowly add the sodium hydrogencarbonate standardized solution of certain volume with drop-burette, making the amount of bicarbonate ion is 366mg, is diluted with water to scale, shakes up.Do blank test simultaneously.
Reagent: potassium hydroxide solution: 200g/l, borax buffer solution: PH ≈ 9, sodium hydrogencarbonate standardized solution: 1mL is equivalent to 18.3mg HCO
3 -, the calcium chloride standardized solution: 1mL contains 6.0mgCa
2+, EDTA Disodium standard titration solution: 0.01mol/l, calcium carboxylate indicator.
Test result: static-state scale inhibition test resistance lime carbonate rate 95.8%.
Embodiment 2
Raw material is prepared:
Take by weighing 100 kilograms of raw materials, wherein:
N, 12 kilograms of the two (phosphonomethyl) aspartic acids of N-;
5 kilograms of polyethylene polyamines;
5 kilograms of octadecylamines;
2 kilograms of vinylformic acid-propenoate-sulphonate terpolymer;
2.5 kilograms of diethylene triamine pentamethylene phosphonics;
2-phosphonate group-1,2,0.5 kilogram of 4-butane tricarboxylate;
1.5 kilograms of TTAs;
0.5 kilogram of N-alkylamino-2-perfluoroalkyl imidazoline quaternary ammonium salt;
1.5 kilograms of sodium alginates;
4 kilograms of Sodium chromate-51Crs;
3 kilograms of zinc chloride.
Surplus is a water.
Be water and N; The two (phosphonomethyl) aspartic acids of N-, polyethylene polyamine, octadecylamine, vinylformic acid-propenoate-sulphonate terpolymer, diethylene triamine pentamethylene phosphonic, 2-phosphonate group-1; 2, the gross weight of 4-butane tricarboxylate, TTA, N-alkylamino-2-perfluoroalkyl imidazoline quaternary ammonium salt, sodium alginate, Sodium chromate-51Cr and zinc chloride is 100 kilograms.
Heat water to 40-60 ℃; Again with N; The two (phosphonomethyl) aspartic acids of N-, polyethylene polyamine, octadecylamine, vinylformic acid-propenoate-sulphonate terpolymer, diethylene triamine pentamethylene phosphonic, 2-phosphonate group-1,2,4-butane tricarboxylate, TTA, N-alkylamino-2-perfluoroalkyl imidazoline quaternary ammonium salt, sodium alginate, Sodium chromate-51Cr and zinc chloride add in the entry; Mix, can make recirculated cooling water inhibiter of the present invention.
The inhibition that can be used for the closed circulating water system of recirculated cooling water inhibiter of the present invention is handled.Specifically comprise production labor skill cooling water system, central air-conditioning media water system and be the system of media with hot water.Further, said production labor skill cooling water system comprises that production in automobile industry is with closed technology cooling water system.
The method of use of closed circulating water corrosion inhibitor according to the invention is: the above-mentioned recirculated cooling water inhibiter that in closed circulating water, adds 200-400mg/l.
Amount with the 200mg/l water coolant adds body of a motor car welding technology Enclosed Type Circulating Cooling Water System; Conductivity contribution: 98uS/cm, following with reference to the inhibiter standard analysis result of the water conditioner in " mensuration of GB/T18175-2000 water conditioner corrosion inhibition ": the carbon steel corrosion inhibition rate reaches 97.6%.Be shown as inhibiter efficiently.
Carried out the static-state scale inhibition test according to State Standard of the People's Republic of China GB/T16632-2008 " the mensuration tosca method of water treatment scale performance ".
Test result: static-state scale inhibition test resistance lime carbonate rate 92.6%.
Claims (5)
1. a recirculated cooling water inhibiter is characterized in that, is made up of following component: N, the two (phosphonomethyl) aspartic acids of N-; Polyethylene polyamine; Octadecylamine; Vinylformic acid-propenoate-sulphonate terpolymer; Diethylene triamine pentamethylene phosphonic; 2-phosphonate group-1,2, the 4-butane tricarboxylate; TTA; N-alkylamino-2-perfluoroalkyl imidazoline quaternary ammonium salt; Sodium alginate; Sodium chromate-51Cr; Zinc chloride and water.
2. a recirculated cooling water inhibiter is characterized in that, is made up of by mass percentage following component:
N, the two (phosphonomethyl) aspartic acid 5-12% of N-;
Polyethylene polyamine 5-10%;
Octadecylamine 2-5%;
Vinylformic acid-propenoate-sulphonate terpolymer 2-5%;
Diethylene triamine pentamethylene phosphonic 0.5-2.5%;
2-phosphonate group-1,2,4-butane tricarboxylate 0.5-2.5%;
TTA 0.5-1.5%;
N-alkylamino-2-perfluoroalkyl imidazoline quaternary ammonium salt 0.5-1.5%;
Sodium alginate 0.5-1.5%;
Sodium chromate-51Cr 4-6%;
Zinc chloride 0.5-3%;
Surplus is a water.
3. the preparation method of recirculated cooling water inhibiter as claimed in claim 2 is characterized in that:
Heat water to 40-60 ℃; Again with N; The two (phosphonomethyl) aspartic acids of N-, polyethylene polyamine, octadecylamine, vinylformic acid-propenoate-sulphonate terpolymer, diethylene triamine pentamethylene phosphonic, 2-phosphonate group-1,2,4-butane tricarboxylate, TTA, N-alkylamino-2-perfluoroalkyl imidazoline quaternary ammonium salt, sodium alginate, Sodium chromate-51Cr and zinc chloride add in the entry; Mix, can make recirculated cooling water inhibiter of the present invention.
A recirculated cooling water inhibiter according to claim 1 or claim 2 purposes, it is characterized in that: said recirculated cooling water inhibiter is used for the inhibition of closed circulating water system to be handled.
5. recirculated cooling water inhibiter as claimed in claim 4 purposes, it is characterized in that: said closed circulating water system comprises production labor skill cooling water system, central air-conditioning media water system and is the system of media with hot water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210024716 CN102583785B (en) | 2012-02-03 | 2012-02-03 | Circulating cooling water corrosion inhibitor, and preparation and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201210024716 CN102583785B (en) | 2012-02-03 | 2012-02-03 | Circulating cooling water corrosion inhibitor, and preparation and application thereof |
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| CN102583785A true CN102583785A (en) | 2012-07-18 |
| CN102583785B CN102583785B (en) | 2013-05-08 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103172182A (en) * | 2013-03-15 | 2013-06-26 | 中冶建筑研究总院有限公司 | Scale-inhibition and dispersion synergist applied to high-temperature and high-pH value circulating water and preparation method thereof |
| CN103191646A (en) * | 2013-04-23 | 2013-07-10 | 济南鲁东环保科技有限公司 | Reverse osmosis membrane scale inhibitor for reusing non-phosphorus reclaimed water and preparation method of reverse osmosis membrane scale inhibitor |
| CN103193330A (en) * | 2013-04-26 | 2013-07-10 | 王占军 | Water stabilizer and preparation method thereof |
| CN103641248A (en) * | 2013-12-27 | 2014-03-19 | 长沙矿冶研究院有限责任公司 | Composite scale and corrosion inhibitor and application thereof in water circulating cooling system |
| CN106854011A (en) * | 2016-12-21 | 2017-06-16 | 冯佳乐 | A kind of oil recovery treatment agent and preparation method thereof |
| CN114481140A (en) * | 2021-12-30 | 2022-05-13 | 上海丰信环保科技有限公司 | Circulating water corrosion inhibitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103172182A (en) * | 2013-03-15 | 2013-06-26 | 中冶建筑研究总院有限公司 | Scale-inhibition and dispersion synergist applied to high-temperature and high-pH value circulating water and preparation method thereof |
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| CN103191646B (en) * | 2013-04-23 | 2015-08-12 | 济南鲁东环保科技有限公司 | A kind of without phosphorus Treated sewage reusing reverse osmosis membrane antisludging agent and preparation method thereof |
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| CN103641248B (en) * | 2013-12-27 | 2015-01-21 | 长沙矿冶研究院有限责任公司 | Composite scale and corrosion inhibitor and application thereof in water circulating cooling system |
| CN106854011A (en) * | 2016-12-21 | 2017-06-16 | 冯佳乐 | A kind of oil recovery treatment agent and preparation method thereof |
| CN114481140A (en) * | 2021-12-30 | 2022-05-13 | 上海丰信环保科技有限公司 | Circulating water corrosion inhibitor |
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| CN102583785B (en) | 2013-05-08 |
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