CN103708636B - Scale and corrosion inhibitor - Google Patents
Scale and corrosion inhibitor Download PDFInfo
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- CN103708636B CN103708636B CN201310671154.9A CN201310671154A CN103708636B CN 103708636 B CN103708636 B CN 103708636B CN 201310671154 A CN201310671154 A CN 201310671154A CN 103708636 B CN103708636 B CN 103708636B
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Abstract
The invention relates to the technical field of corrosion inhibitors, and concretely relates to a scale and corrosion inhibitor. The scale and corrosion inhibitor comprises 25-35wt% of aminotrimethylene phosphonic acid, 2-8wt% of 1-hydroxyethylidene-1,1-diphosphonic acid, 5-10wt% of sodium chloride, 3-8wt% of polyacrylic acid, 1-3wt% of hydrolytic polymaleic acid, 8-15wt% of sodium ethylenediamine tetramethylenephosphonate, and the balance water. The scale and corrosion inhibitor has a substantial effect on circulating water having a wide pH range of 3-11, has a substantial effect on copper tubes and brass tubes, allows the adherence speed and the corrosion speed of copper experiment tubes to be reduced 5.82mcm and 0.0002295mm/a respectively and the adherence speed and the corrosion speed of brass experiment tubes to be reduced to 5.55mcm and 0.00004458mm/a respectively.
Description
Technical field
The present invention relates to inhibiter technical field, more specifically a kind of anti-incrustation corrosion inhibitor.
Background technology
In industry, the utilization of recirculated water is conducive to the cost saving enterprise, improve the benefit of enterprise, but recirculated water in use there will be two problems, the evaporation of moisture when one, causes crystallization and the precipitation of salt, and modal have the incrustation scale such as calcium carbonate, Calucium Silicate powder, the existence of incrustation scale greatly reduces heat transfer efficiency, it two is galvanic corrosion corrosive naturees to equipment of recirculated water, and this corrosion is fatal, gently then more exchange device; Heavy then injure human life, current employing anti-incrustation corrosion inhibitor is added in recirculated water, reduce the appearance of incrustation scale, but the composition of anti-incrustation corrosion inhibitor at present is on the market single, descale effect is bad, especially bad for the treatment effect of the recirculated water of red copper, brass pipeline and wide pH, this is the deficiencies in the prior art.
Summary of the invention
Goal of the invention of the present invention is for above deficiency, provide a kind of scale inhibitor effective, especially for the anti-incrustation corrosion inhibitor of the obvious processing effect of the recirculated water of red copper, brass pipeline and wide pH.
The present invention is that the following technical scheme of bronze drum realizes:
A kind of anti-incrustation corrosion inhibitor, is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 25-35%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 2-8%
Sodium-chlor 5-10%
Polyacrylic acid 3-8%
Hydrolyzed polymaleic anhydride 1-3%
Sodium ethylenediamine tetramethylenephosphonate 8-15%
All the other are water.
As optimization, above-mentioned anti-incrustation corrosion inhibitor is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 25%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 2%
Sodium-chlor 5%
Polyacrylic acid 3%
Hydrolyzed polymaleic anhydride 1%
Sodium ethylenediamine tetramethylenephosphonate 8%
All the other are water.
As optimization, above-mentioned anti-incrustation corrosion inhibitor is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 26.5%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 2.5%
Sodium-chlor 5.6%
Polyacrylic acid 3.8%
Hydrolyzed polymaleic anhydride 1.2%
Sodium ethylenediamine tetramethylenephosphonate 8.5%
All the other are water.
As optimization, above-mentioned anti-incrustation corrosion inhibitor is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 28.7%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 3.3%
Sodium-chlor 6.7%
Polyacrylic acid 4.2%
Hydrolyzed polymaleic anhydride 1.6%
Sodium ethylenediamine tetramethylenephosphonate 9.2%
All the other are water.
As optimization, above-mentioned anti-incrustation corrosion inhibitor is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 30.3%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 4.5%
Sodium-chlor 7.5%
Polyacrylic acid 5.0%
Hydrolyzed polymaleic anhydride 1.8%
Sodium ethylenediamine tetramethylenephosphonate 10.5%
All the other are water.
As optimization, above-mentioned anti-incrustation corrosion inhibitor is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 32.8%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 6.6%
Sodium-chlor 8.7%
Polyacrylic acid 6.2%
Hydrolyzed polymaleic anhydride 2.4%
Sodium ethylenediamine tetramethylenephosphonate 12.6%
All the other are water.
As optimization, above-mentioned anti-incrustation corrosion inhibitor is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 35%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 8%
Sodium-chlor 10%
Polyacrylic acid 8%
Hydrolyzed polymaleic anhydride 3%
Sodium ethylenediamine tetramethylenephosphonate 15%
All the other are water.
The invention has the beneficial effects as follows: the present invention is directed to wide PH(PH3-11) recirculated water all have and act on more significantly, significant effect is had for copper tube and brazed copper tube, wherein red copper experiment tube adheres to speed and is reduced to 5.82mcm, corrosion speed is reduced to 0.0002295mm/a, brass experiment tube adheres to speed and is reduced to 5.55mcm, and corrosion speed is reduced to 0.00004458mm/a.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described, so that those skilled in the art better can understand the present invention, but therefore do not limit the present invention.
Embodiment 1
A kind of anti-incrustation corrosion inhibitor, is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 25%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 2%
Sodium-chlor 5%
Polyacrylic acid 3%
Hydrolyzed polymaleic anhydride 1%
Sodium ethylenediamine tetramethylenephosphonate 8%
All the other are water.
Former water PH is 11, adds the anti-incrustation corrosion inhibitor of 30mg/L, and monitor red copper experiment tube adheres to speed 6.32mcm, corrosion speed 0.0003519mm/a by detecting interchanger, brass experiment tube adheres to speed 6.11mcm, corrosion speed 0.00006358mm/a.
Embodiment 2
Amino Trimethylene Phosphonic Acid 26.5%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 2.5%
Sodium-chlor 5.6%
Polyacrylic acid 3.8%
Hydrolyzed polymaleic anhydride 1.2%
Sodium ethylenediamine tetramethylenephosphonate 8.5%
All the other are water.
Former water PH is 11, adds the anti-incrustation corrosion inhibitor of 30mg/L, and monitor red copper experiment tube adheres to speed 6.12mcm, corrosion speed 0.0003365mm/a by detecting interchanger, brass experiment tube adheres to speed 6.02mcm, corrosion speed 0.00006183mm/a.
Embodiment 3
A kind of anti-incrustation corrosion inhibitor, is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 28.7%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 3.3%
Sodium-chlor 6.7%
Polyacrylic acid 4.2%
Hydrolyzed polymaleic anhydride 1.6%
Sodium ethylenediamine tetramethylenephosphonate 9.2%
All the other are water.
Former water PH is 11, adds the anti-incrustation corrosion inhibitor of 30mg/L, and monitor red copper experiment tube adheres to speed 5.86mcm, corrosion speed 0.0002539mm/a by detecting interchanger, brass experiment tube adheres to speed 5.77mcm, corrosion speed 0.00004957mm/a.
Embodiment 4
A kind of anti-incrustation corrosion inhibitor, is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 30.3%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 4.5%
Sodium-chlor 7.5%
Polyacrylic acid 5.0%
Hydrolyzed polymaleic anhydride 1.8%
Sodium ethylenediamine tetramethylenephosphonate 10.5%
All the other are water.
Former water PH is 11, adds the anti-incrustation corrosion inhibitor of 30mg/L, and monitor red copper experiment tube adheres to speed 5.83mcm, corrosion speed 0.0002332mm/a by detecting interchanger, brass experiment tube adheres to speed 5.59mcm, corrosion speed 0.00004523mm/a.
Embodiment 5
A kind of anti-incrustation corrosion inhibitor, is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 32.8%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 6.6%
Sodium-chlor 8.7%
Polyacrylic acid 6.2%
Hydrolyzed polymaleic anhydride 2.4%
Sodium ethylenediamine tetramethylenephosphonate 12.6%
All the other are water.
Former water PH is 11, adds the anti-incrustation corrosion inhibitor of 30mg/L, and monitor red copper experiment tube adheres to speed 6.08mcm, corrosion speed 0.0002968mm/a by detecting interchanger, brass experiment tube adheres to speed 5.89mcm, corrosion speed 0.00004965mm/a.
Embodiment 6
A kind of anti-incrustation corrosion inhibitor, is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 35%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 8%
Sodium-chlor 10%
Polyacrylic acid 8%
Hydrolyzed polymaleic anhydride 3%
Sodium ethylenediamine tetramethylenephosphonate 15%
All the other are water.
Former water PH is 11, adds the anti-incrustation corrosion inhibitor of 30mg/L, and monitor red copper experiment tube adheres to speed 6.18mcm, corrosion speed 0.0003325mm/a by detecting interchanger, brass experiment tube adheres to speed 6.08mcm, corrosion speed 0.00005378mm/a.
Embodiment 7
A kind of anti-incrustation corrosion inhibitor, is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 30.3%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 4.5%
Sodium-chlor 7.5%
Polyacrylic acid 5.0%
Hydrolyzed polymaleic anhydride 1.8%
Sodium ethylenediamine tetramethylenephosphonate 10.5%
All the other are water.
Former water PH is 8, adds the anti-incrustation corrosion inhibitor of 30mg/L, and monitor red copper experiment tube adheres to speed 5.82mcm, corrosion speed 0.0002295mm/a by detecting interchanger, brass experiment tube adheres to speed 5.55mcm, corrosion speed 0.00004458mm/a.
Embodiment 8
A kind of anti-incrustation corrosion inhibitor, is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 30.3%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 4.5%
Sodium-chlor 7.5%
Polyacrylic acid 5.0%
Hydrolyzed polymaleic anhydride 1.8%
Sodium ethylenediamine tetramethylenephosphonate 10.5%
All the other are water.
Former water PH is 3, adds the anti-incrustation corrosion inhibitor of 30mg/L, and monitor red copper experiment tube adheres to speed 5.85mcm, corrosion speed 0.0002335mm/a by detecting interchanger, brass experiment tube adheres to speed 5.65mcm, corrosion speed 0.00004508mm/a.
Claims (1)
1. an anti-incrustation corrosion inhibitor, is made up of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 30.3%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 4.5%
Sodium-chlor 7.5%
Polyacrylic acid 5.0%
Hydrolyzed polymaleic anhydride 1.8%
Sodium ethylenediamine tetramethylenephosphonate 10.5%
All the other are water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310671154.9A CN103708636B (en) | 2013-12-11 | 2013-12-11 | Scale and corrosion inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310671154.9A CN103708636B (en) | 2013-12-11 | 2013-12-11 | Scale and corrosion inhibitor |
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| Publication Number | Publication Date |
|---|---|
| CN103708636A CN103708636A (en) | 2014-04-09 |
| CN103708636B true CN103708636B (en) | 2015-07-15 |
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| CN201310671154.9A Expired - Fee Related CN103708636B (en) | 2013-12-11 | 2013-12-11 | Scale and corrosion inhibitor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2580685C2 (en) * | 2014-07-04 | 2016-04-10 | Акционерное общество "Химический завод им. Л.Я. Карпова" | Corrosion and scaling inhibitor |
| CN108517525A (en) * | 2017-11-08 | 2018-09-11 | 西安瑞杰油田物资实业开发有限公司 | A kind of scale removal corrosion inhibiter and preparation method thereof |
| CN109081457A (en) * | 2018-09-13 | 2018-12-25 | 科得邦（江苏）环境科技有限公司 | A kind of cleaning air conditioner anti-incrustation corrosion inhibitor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3547817A (en) * | 1967-06-22 | 1970-12-15 | Betz Laboratories | Inhibition of scale formation |
| CN102423639A (en) * | 2011-12-19 | 2012-04-25 | 上海久安水质稳定剂厂 | Reverse osmosis membrane special-purpose scale inhibitor and its manufacturing method |
| CN102786158A (en) * | 2011-05-20 | 2012-11-21 | 中国石油化工股份有限公司 | Corrosion-inhibition scale inhibitor composition and corrosion-inhibition scale inhibitor and application thereof |
-
2013
- 2013-12-11 CN CN201310671154.9A patent/CN103708636B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3547817A (en) * | 1967-06-22 | 1970-12-15 | Betz Laboratories | Inhibition of scale formation |
| CN102786158A (en) * | 2011-05-20 | 2012-11-21 | 中国石油化工股份有限公司 | Corrosion-inhibition scale inhibitor composition and corrosion-inhibition scale inhibitor and application thereof |
| CN102423639A (en) * | 2011-12-19 | 2012-04-25 | 上海久安水质稳定剂厂 | Reverse osmosis membrane special-purpose scale inhibitor and its manufacturing method |
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| CN103708636A (en) | 2014-04-09 |
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Owner name: SHANDONG CONSTRUCTION UNIVERSITY Free format text: FORMER OWNER: SHANDONG HUAYA ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date: 20150529 |
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Inventor after: Guo Xiaofei Inventor after: Niu Lin Inventor before: Mou Junping Inventor before: Yu Chunguang |
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Free format text: CORRECT: INVENTOR; FROM: MOU JUNPING YU CHUNGUANG TO: GUO XIAOFEI NIU LIN |
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Effective date of registration: 20150529 Address after: Feng Ming Licheng District Lingang Development Zone, 250100 Ji'nan Road, Shandong Province Applicant after: Shandong Construction University Address before: 250199 Shandong Province, Licheng District, Ji'nan Huaxin Road, building 389, No. 601 Applicant before: SHANDONG HWAYA ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
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