CN103663743A - Composite corrosion and scale inhibitor for circulating cooling water - Google Patents

Composite corrosion and scale inhibitor for circulating cooling water Download PDF

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Publication number
CN103663743A
CN103663743A CN201310664274.6A CN201310664274A CN103663743A CN 103663743 A CN103663743 A CN 103663743A CN 201310664274 A CN201310664274 A CN 201310664274A CN 103663743 A CN103663743 A CN 103663743A
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CN
China
Prior art keywords
parts
cooling water
corrosion
composite slow
scale resistor
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.)
Pending
Application number
CN201310664274.6A
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Chinese (zh)
Inventor
牟军平
朱娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG HWAYA ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Original Assignee
SHANDONG HWAYA ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Application filed by SHANDONG HWAYA ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd filed Critical SHANDONG HWAYA ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Priority to CN201310664274.6A priority Critical patent/CN103663743A/en
Publication of CN103663743A publication Critical patent/CN103663743A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F14/00Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
    • C23F14/02Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

The invention belongs to the technical field of water treatment, and particularly relates to a composite corrosion and scale inhibitor for circulating cooling water. The composite corrosion and scale inhibitor for circulating cooling water is prepared from the following components in parts by weight: zinc sulfate, sodium salicylate, sulfhydryl benzotriazole, 2-phosphonobutane-1,2,4-tricarboxylic acid and maleic acid-acrylic acid copolymer. The composite corrosion and scale inhibitor is convenient to use, and has the advantages of small toxicity, no smell and favorable dispersibility.

Description

A kind of composite slow-corrosion scale resistor for recirculated cooling water
Technical field
The invention belongs to the technical field of water treatment, be specifically related to a kind of composite slow-corrosion scale resistor for recirculated cooling water.
Background technology
Recirculated cooling water plays the important and pivotal role in cooling system, but recirculated cooling water intensity used is high, basicity is large, have serious scale feature, under the various occasions of water temperature higher than envrionment temperature, the fouling meeting of the inorganic salt such as calcium carbonate brings serious consequence.While being used for industrial cooling circulating water system using it as heat-eliminating medium, can cause water quality deterioration, the problems such as corrosion and scaling occur, cause heat exchanger and line clogging or leakage, have a strong impact on production equipment and normally move.Along with the socioeconomic progress developing rapidly with technology, water technology comes into one's own day by day, by using effectively protection against corrosion and prevent fouling of water treatment agent, thus the utilization ratio of raising equipment and water and reach the object of saving water source and the energy.At present increasingly strict to the water treatment standard of corrosion-mitigation scale-inhibition, the feature of environmental protection of additive has also been proposed to high requirement simultaneously.
Summary of the invention
The object of the invention is to for the defect of above-mentioned existence and a kind of composite slow-corrosion scale resistor for recirculated cooling water is provided, this composite slow-corrosion scale resistor is easy to use, and toxicity is little, and tasteless dispersing property is good.
Technical scheme of the present invention is: a kind of composite slow-corrosion scale resistor for recirculated cooling water, is comprised of the component of following weight part:
4~11 parts, zinc sulfate
1.5~6 parts of sodium salicylates
6~14 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1~2 part of 2,4-butane tricarboxylate
1~3.5 part of maleic acid-acrylic acid copolymer.
The described composite slow-corrosion scale resistor for recirculated cooling water, is comprised of the component of following weight part:
5.7 parts, zinc sulfate
2.4 parts of sodium salicylates
7.3 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.2 parts of 2,4-butane tricarboxylates
1.6 parts of maleic acid-acrylic acid copolymers.
The described composite slow-corrosion scale resistor for recirculated cooling water, is comprised of the component of following weight part:
6.4 parts, zinc sulfate
3.8 parts of sodium salicylates
8.4 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.32 parts of 2,4-butane tricarboxylates
2.26 parts of maleic acid-acrylic acid copolymers.
The described composite slow-corrosion scale resistor for recirculated cooling water, is comprised of the component of following weight part:
8.35 parts, zinc sulfate
4.1 parts of sodium salicylates
11.5 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.18 parts of 2,4-butane tricarboxylates
1.9 parts of maleic acid-acrylic acid copolymers.
The described composite slow-corrosion scale resistor for recirculated cooling water, is comprised of the component of following weight part:
9.62 parts, zinc sulfate
4.7 parts of sodium salicylates
12.3 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.46 parts of 2,4-butane tricarboxylates
2.78 parts of maleic acid-acrylic acid copolymers.
Beneficial effect of the present invention is: the component toxicity of the composite slow-corrosion scale resistor for recirculated cooling water of the present invention is little, little to environmental influence, there is good corrosion inhibition, prevent the corrosion of recirculated cooling water to metallic conduit, corrosion mitigating effect reaches 99.1%~99.7%, makes its corrosion rate be reduced to 0.00247~0.0031mm/a; Also there is good scale inhibition effect simultaneously.
In sum, described composite slow-corrosion scale resistor is easy to use, and toxicity is little, and tasteless dispersing property is good.
Embodiment
Below by specific embodiment, the present invention will be described in detail.
Embodiment 1
For a composite slow-corrosion scale resistor for recirculated cooling water, by the component of following weight part, formed:
4 parts, zinc sulfate
1.5 parts of sodium salicylates
6 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1 part of 2,4-butane tricarboxylate
1 part of maleic acid-acrylic acid copolymer.
Described in employing embodiment 1, composite slow-corrosion scale resistor makes corrosion mitigating effect reach 99.1%, makes its corrosion rate be reduced to 0.0031mm/a.
Embodiment 2
The described composite slow-corrosion scale resistor for recirculated cooling water, is comprised of the component of following weight part:
5.7 parts, zinc sulfate
2.4 parts of sodium salicylates
7.3 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.2 parts of 2,4-butane tricarboxylates
1.6 parts of maleic acid-acrylic acid copolymers.
Described in employing embodiment 2, composite slow-corrosion scale resistor makes corrosion mitigating effect reach 99.21%, makes its corrosion rate be reduced to 0.0026mm/a.
Embodiment 3
The described composite slow-corrosion scale resistor for recirculated cooling water, is comprised of the component of following weight part:
6.4 parts, zinc sulfate
3.8 parts of sodium salicylates
8.4 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.32 parts of 2,4-butane tricarboxylates
2.26 parts of maleic acid-acrylic acid copolymers.
Described in employing embodiment 3, composite slow-corrosion scale resistor makes corrosion mitigating effect reach 99.3%, makes its corrosion rate be reduced to 0.00253mm/a.
Embodiment 4
The described composite slow-corrosion scale resistor for recirculated cooling water, is comprised of the component of following weight part:
8.35 parts, zinc sulfate
4.1 parts of sodium salicylates
11.5 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.18 parts of 2,4-butane tricarboxylates
1.9 parts of maleic acid-acrylic acid copolymers.
Described in employing embodiment 4, composite slow-corrosion scale resistor makes corrosion mitigating effect reach 99.63%, makes its corrosion rate be reduced to 0.00248mm/a.
Embodiment 5
The described composite slow-corrosion scale resistor for recirculated cooling water, is comprised of the component of following weight part:
9.62 parts, zinc sulfate
4.7 parts of sodium salicylates
12.3 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.46 parts of 2,4-butane tricarboxylates
2.78 parts of maleic acid-acrylic acid copolymers.
Described in employing embodiment 5, composite slow-corrosion scale resistor makes corrosion mitigating effect reach 99.66%, makes its corrosion rate be reduced to 0.00251mm/a.
Embodiment 6
For a composite slow-corrosion scale resistor for recirculated cooling water, by the component of following weight part, formed:
11 parts, zinc sulfate
6 parts of sodium salicylates
14 parts of sulfydryl benzotriazoles
2-phosphonate group-1,2 parts of 2,4-butane tricarboxylates
3.5 parts of maleic acid-acrylic acid copolymers.
Described in employing embodiment 6, composite slow-corrosion scale resistor makes corrosion mitigating effect reach 99.7%, makes its corrosion rate be reduced to 0.00247mm/a.

Claims (5)

1. for a composite slow-corrosion scale resistor for recirculated cooling water, it is characterized in that, by the component of following weight part, formed:
4~11 parts, zinc sulfate
1.5~6 parts of sodium salicylates
6~14 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1~2 part of 2,4-butane tricarboxylate
1~3.5 part of maleic acid-acrylic acid copolymer.
2. according to claim 1 for the composite slow-corrosion scale resistor of recirculated cooling water, it is characterized in that, by the component of following weight part, formed:
5.7 parts, zinc sulfate
2.4 parts of sodium salicylates
7.3 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.2 parts of 2,4-butane tricarboxylates
1.6 parts of maleic acid-acrylic acid copolymers.
3. according to claim 1 for the composite slow-corrosion scale resistor of recirculated cooling water, it is characterized in that, by the component of following weight part, formed:
6.4 parts, zinc sulfate
3.8 parts of sodium salicylates
8.4 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.32 parts of 2,4-butane tricarboxylates
2.26 parts of maleic acid-acrylic acid copolymers.
4. according to claim 1 for the composite slow-corrosion scale resistor of recirculated cooling water, it is characterized in that, by the component of following weight part, formed:
8.35 parts, zinc sulfate
4.1 parts of sodium salicylates
11.5 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.18 parts of 2,4-butane tricarboxylates
1.9 parts of maleic acid-acrylic acid copolymers.
5. according to claim 1 for the composite slow-corrosion scale resistor of recirculated cooling water, it is characterized in that, by the component of following weight part, formed:
9.62 parts, zinc sulfate
4.7 parts of sodium salicylates
12.3 parts of sulfydryl benzotriazoles
2-phosphonate group-1,1.46 parts of 2,4-butane tricarboxylates
2.78 parts of maleic acid-acrylic acid copolymers.
CN201310664274.6A 2013-12-09 2013-12-09 Composite corrosion and scale inhibitor for circulating cooling water Pending CN103663743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310664274.6A CN103663743A (en) 2013-12-09 2013-12-09 Composite corrosion and scale inhibitor for circulating cooling water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310664274.6A CN103663743A (en) 2013-12-09 2013-12-09 Composite corrosion and scale inhibitor for circulating cooling water

Publications (1)

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CN103663743A true CN103663743A (en) 2014-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104445652A (en) * 2014-10-22 2015-03-25 山东华亚环保科技有限公司 Corrosion and scale inhibitor for beer bottle washing machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02290986A (en) * 1989-04-28 1990-11-30 Kurita Water Ind Ltd Heat storage cold/hot water metal corrosion inhibitor
CN102476873A (en) * 2010-11-24 2012-05-30 中国石油化工股份有限公司 Circulating water treatment method for leaked light oil
CN102765818A (en) * 2012-07-19 2012-11-07 武汉润尔华科技有限公司 Corrosion and scale inhibitor special for recycling self-drained water of circulating water system
CN103319010A (en) * 2012-03-19 2013-09-25 常州市排水管理处 Scale and corrosion inhibitor
CN103420493A (en) * 2012-05-16 2013-12-04 中国石油化工股份有限公司 Processing method of circulation cooling water comprising sulfur ions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02290986A (en) * 1989-04-28 1990-11-30 Kurita Water Ind Ltd Heat storage cold/hot water metal corrosion inhibitor
CN102476873A (en) * 2010-11-24 2012-05-30 中国石油化工股份有限公司 Circulating water treatment method for leaked light oil
CN103319010A (en) * 2012-03-19 2013-09-25 常州市排水管理处 Scale and corrosion inhibitor
CN103420493A (en) * 2012-05-16 2013-12-04 中国石油化工股份有限公司 Processing method of circulation cooling water comprising sulfur ions
CN102765818A (en) * 2012-07-19 2012-11-07 武汉润尔华科技有限公司 Corrosion and scale inhibitor special for recycling self-drained water of circulating water system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
周晓东 等: "工业缓蚀阻垢剂的应用研究进展", 《腐蚀与防护》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104445652A (en) * 2014-10-22 2015-03-25 山东华亚环保科技有限公司 Corrosion and scale inhibitor for beer bottle washing machine

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Application publication date: 20140326