CN103663743A - Composite corrosion and scale inhibitor for circulating cooling water - Google Patents
Composite corrosion and scale inhibitor for circulating cooling water Download PDFInfo
- 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
- Authority
- 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
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 239000000498 cooling water Substances 0.000 title claims abstract description 26
- 230000007797 corrosion Effects 0.000 title abstract description 22
- 239000002455 scale inhibitor Substances 0.000 title abstract 4
- JSYPRLVDJYQMAI-ODZAUARKSA-N (z)-but-2-enedioic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)\C=C/C(O)=O JSYPRLVDJYQMAI-ODZAUARKSA-N 0.000 claims abstract description 17
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims abstract description 17
- ABBQHOQBGMUPJH-UHFFFAOYSA-M Sodium salicylate Chemical compound [Na+].OC1=CC=CC=C1C([O-])=O ABBQHOQBGMUPJH-UHFFFAOYSA-M 0.000 claims abstract description 17
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 17
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 17
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 17
- 150000001565 benzotriazoles Chemical class 0.000 claims description 16
- 239000001273 butane Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000001988 toxicity Effects 0.000 abstract description 4
- 231100000419 toxicity Toxicity 0.000 abstract description 4
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 abstract 1
- 239000012964 benzotriazole Substances 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 229960004025 sodium salicylate Drugs 0.000 abstract 1
- -1 sulfhydryl benzotriazole Chemical compound 0.000 abstract 1
- 230000000116 mitigating effect Effects 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000009967 tasteless effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23F—NON-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
- C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
- C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23F—NON-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
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
Landscapes
- 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
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.
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)
| Publication Number | Publication Date |
|---|---|
| CN103663743A true CN103663743A (en) | 2014-03-26 |
Family
ID=50302649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310664274.6A Pending CN103663743A (en) | 2013-12-09 | 2013-12-09 | Composite corrosion and scale inhibitor for circulating cooling water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103663743A (en) |
Cited By (1)
| 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)
| 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 |
-
2013
- 2013-12-09 CN CN201310664274.6A patent/CN103663743A/en active Pending
Patent Citations (5)
| 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)
| 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)
| 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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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140326 |