CN103663745A - Scale and corrosion inhibitor - Google Patents
Scale and corrosion inhibitor Download PDFInfo
- Publication number
- CN103663745A CN103663745A CN201310670634.3A CN201310670634A CN103663745A CN 103663745 A CN103663745 A CN 103663745A CN 201310670634 A CN201310670634 A CN 201310670634A CN 103663745 A CN103663745 A CN 103663745A
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- CN
- China
- Prior art keywords
- corrosion inhibitor
- acid
- water
- incrustation corrosion
- corrosion
- 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
- 230000007797 corrosion Effects 0.000 title claims abstract description 62
- 238000005260 corrosion Methods 0.000 title claims abstract description 62
- 239000003112 inhibitor Substances 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 20
- 229920002125 Sokalan® Polymers 0.000 claims abstract description 20
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004584 polyacrylic acid Substances 0.000 claims abstract description 20
- 239000011734 sodium Substances 0.000 claims abstract description 20
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 20
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 19
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 19
- 229920000141 poly(maleic anhydride) Polymers 0.000 claims description 19
- 229910000975 Carbon steel Inorganic materials 0.000 abstract description 12
- 239000010962 carbon steel Substances 0.000 abstract description 12
- 239000010935 stainless steel Substances 0.000 abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 9
- 239000011575 calcium Substances 0.000 abstract description 9
- 229910052791 calcium Inorganic materials 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 9
- 239000004593 Epoxy Substances 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 125000005599 alkyl carboxylate group Chemical group 0.000 abstract 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 abstract 1
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 18
- 229910000019 calcium carbonate Inorganic materials 0.000 description 9
- 238000001514 detection method Methods 0.000 description 7
- 238000005457 optimization Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention relates to the technical field of corrosion inhibitors, particularly a scale and corrosion inhibitor which is composed of the following components in percentage by weight: 30-40% of amino trimethylene phosphonic acid, 15-20% of hydroxyethidene diphosphoric acid, 20-30% of sodium epoxy alkylcarboxylate, 1-3% of polyacrylic acid, 1-3% of hydrolytic polymaliec acid and the balance of water. The scale and corrosion inhibitor has obvious action on circulating water with high calcium content, the adhesion rate of the carbon steel experiment tube is lowered to 5.75mcm, and the corrosion rates for carbon steel and stainless steel are obviously enhanced, wherein the corrosion rate for carbon steel is lowered to 0.00901mm/a, and the corrosion rate for stainless steel is lowered to 0.0000891mm/a.
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 save the cost of enterprise, improve the benefit of enterprise, but recirculated water in use there will be two problems, the evaporation of moisture in the time of one, has caused crystallization and the precipitation of salt, and modal have incrustation scales such as calcium carbonate, Calucium Silicate powder, the existence of incrustation scale greatly reduces heat transfer efficiency, it two is the galvanic corrosion of recirculated water corrosive naturees to equipment, and this corrosion is fatal, gently exchange device more; Heavy injure human life, adopt at present anti-incrustation corrosion inhibitor to be 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, and especially, for the treatment effect of modal calcium carbonate etc. bad, 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 calcium ion.
The present invention is that the following technical scheme of bronze drum realizes:
An anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 30-40%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 15-20%
Epoxidized alkyl carboxylic acid sodium 20-30%
Polyacrylic acid 3-5%
Hydrolyzed polymaleic anhydride 1-3%
All the other are water.
As a kind of optimization, anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 30%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 15%
Epoxidized alkyl carboxylic acid sodium 20%-
Polyacrylic acid 3
Hydrolyzed polymaleic anhydride 1
All the other are water.
As a kind of optimization, anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 33.5%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 17.6%
Epoxidized alkyl carboxylic acid sodium 23.2%
Polyacrylic acid 3.5%
Hydrolyzed polymaleic anhydride 1.5%
All the other are water.
As a kind of optimization, anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 35.8%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 18.3%
Epoxidized alkyl carboxylic acid sodium 26.7%
Polyacrylic acid 4.2%
Hydrolyzed polymaleic anhydride 2.4%
All the other are water.
As a kind of optimization, anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 38.5%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 19.0%
Epoxidized alkyl carboxylic acid sodium 28.8%
Polyacrylic acid 4.5%
Hydrolyzed polymaleic anhydride 2.5%
All the other are water.
As a kind of optimization, anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 40%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 20%
Epoxidized alkyl carboxylic acid sodium 30%
Polyacrylic acid 5%
Hydrolyzed polymaleic anhydride 3%
All the other are water.
The invention has the beneficial effects as follows: the present invention is directed to the recirculated water that calcium contents is high has unusual effect, it makes carbon steel experiment tube adhere to Speed Reduction to 5.75mcm, and be significantly improved for carbon steel and stainless corrosion speed, the corrosion speed of its medium carbon steel is reduced to 0.00901mm/a and Corrosion of Stainless Steel speed 0.0000891mm/a.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described, so that those skilled in the art can better understand the present invention, but therefore do not limit the present invention.
Embodiment 1
Anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 30%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 15%
Epoxidized alkyl carboxylic acid sodium 20%-
Polyacrylic acid 3
Hydrolyzed polymaleic anhydride 1
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, the anti-incrustation corrosion inhibitor of interpolation 30mg/L, is monitored and to be obtained carbon steel experiment tube adhesion speed 6.29mcm, corrosion speed 0.018mm/a by detection interchanger.Corrosion of Stainless Steel speed 0.0001021mm/a.
Embodiment 2
Anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 33.5%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 17.6%
Epoxidized alkyl carboxylic acid sodium 23.2%
Polyacrylic acid 3.5%
Hydrolyzed polymaleic anhydride 1.5%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, the anti-incrustation corrosion inhibitor of interpolation 30mg/L, is monitored and to be obtained carbon steel experiment tube adhesion speed 6.10mcm, corrosion speed 0.01025mm/a by detection interchanger.Corrosion of Stainless Steel speed 0.0000921mm/a.
Embodiment 3
Anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 35.8%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 18.3%
Epoxidized alkyl carboxylic acid sodium 26.7%
Polyacrylic acid 4.2%
Hydrolyzed polymaleic anhydride 2.4%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, the anti-incrustation corrosion inhibitor of interpolation 30mg/L, is monitored and to be obtained carbon steel experiment tube adhesion speed 5.86mcm, corrosion speed 0.00938mm/a by detection interchanger.Corrosion of Stainless Steel speed 0.0000903mm/a.
Embodiment 4
Anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 38.5%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 19.0%
Epoxidized alkyl carboxylic acid sodium 28.8%
Polyacrylic acid 4.5%
Hydrolyzed polymaleic anhydride 2.5%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, the anti-incrustation corrosion inhibitor of interpolation 30mg/L, is monitored and to be obtained carbon steel experiment tube adhesion speed 5.75mcm, corrosion speed 0.00901mm/a by detection interchanger.Corrosion of Stainless Steel speed 0.0000891mm/a.
Embodiment 5
Anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 40%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 20%
Epoxidized alkyl carboxylic acid sodium 30%
Polyacrylic acid 5%
Hydrolyzed polymaleic anhydride 3%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, the anti-incrustation corrosion inhibitor of interpolation 30mg/L, is monitored and to be obtained carbon steel experiment tube adhesion speed 5.81mcm, corrosion speed 0.01032mm/a by detection interchanger.Corrosion of Stainless Steel speed 0.0001025mm/a.
Embodiment 6
Anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 38.5%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 19.0%
Epoxidized alkyl carboxylic acid sodium 28.8%
Polyacrylic acid 4.5%
Hydrolyzed polymaleic anhydride 2.5%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, the anti-incrustation corrosion inhibitor of interpolation 20mg/L, is monitored and to be obtained carbon steel experiment tube adhesion speed 5.83mcm, corrosion speed 0.00925mm/a by detection interchanger.Corrosion of Stainless Steel speed 0.0000911mm/a.
Embodiment 7
Anti-incrustation corrosion inhibitor is comprised of following component by weight percentage:
Amino Trimethylene Phosphonic Acid 38.5%
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 19.0%
Epoxidized alkyl carboxylic acid sodium 28.8%
Polyacrylic acid 4.5%
Hydrolyzed polymaleic anhydride 2.5%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, the anti-incrustation corrosion inhibitor of interpolation 40mg/L, is monitored and to be obtained carbon steel experiment tube adhesion speed 5.85mcm, corrosion speed 0.00921mm/a by detection interchanger.Corrosion of Stainless Steel speed 0.0000905mm/a.
Claims (6)
1. an anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage: Amino Trimethylene Phosphonic Acid 30-40%, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 15-20%, epoxidized alkyl carboxylic acid sodium 20-30%, polyacrylic acid 3-5%, hydrolyzed polymaleic anhydride 1-3%, all the other are water.
2. a kind of anti-incrustation corrosion inhibitor according to claim 1, it is characterized in that: described anti-incrustation corrosion inhibitor is comprised of following component by weight percentage: Amino Trimethylene Phosphonic Acid 30%, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 15%, epoxidized alkyl carboxylic acid sodium 20%-, polyacrylic acid 3, hydrolyzed polymaleic anhydride 1, all the other are water.
3. a kind of anti-incrustation corrosion inhibitor according to claim 1, it is characterized in that: described anti-incrustation corrosion inhibitor is comprised of following component by weight percentage: Amino Trimethylene Phosphonic Acid 33.5%, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 17.6%, epoxidized alkyl carboxylic acid sodium 23.2%, polyacrylic acid 3.5%, hydrolyzed polymaleic anhydride 1.5%, all the other are water.
4. a kind of anti-incrustation corrosion inhibitor according to claim 1, it is characterized in that: described anti-incrustation corrosion inhibitor is comprised of following component by weight percentage: Amino Trimethylene Phosphonic Acid 35.8%, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 18.3%, epoxidized alkyl carboxylic acid sodium 26.7%, polyacrylic acid 4.2%, hydrolyzed polymaleic anhydride 2.4%, all the other are water.
5. a kind of anti-incrustation corrosion inhibitor according to claim 1, it is characterized in that: described anti-incrustation corrosion inhibitor is comprised of following component by weight percentage: Amino Trimethylene Phosphonic Acid 38.5%, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 19.0%, epoxidized alkyl carboxylic acid sodium 28.8%, polyacrylic acid 4.5%, hydrolyzed polymaleic anhydride 2.5%, all the other are water.
6. a kind of anti-incrustation corrosion inhibitor according to claim 1, it is characterized in that: described anti-incrustation corrosion inhibitor is comprised of following component by weight percentage: Amino Trimethylene Phosphonic Acid 40%, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 20%, epoxidized alkyl carboxylic acid sodium 30%, polyacrylic acid 5%, hydrolyzed polymaleic anhydride 3%, all the other are water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310670634.3A CN103663745A (en) | 2013-12-11 | 2013-12-11 | Scale and corrosion inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310670634.3A CN103663745A (en) | 2013-12-11 | 2013-12-11 | Scale and corrosion inhibitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103663745A true CN103663745A (en) | 2014-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310670634.3A Pending CN103663745A (en) | 2013-12-11 | 2013-12-11 | Scale and corrosion inhibitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103663745A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060510A (en) * | 2015-07-30 | 2015-11-18 | 陈朝民 | Phosphor-free water treating agent |
| CN105060513A (en) * | 2015-07-30 | 2015-11-18 | 陈朝民 | Green water treatment agent |
| CN108773916A (en) * | 2018-05-25 | 2018-11-09 | 苏州佑君环境科技有限公司 | A kind of water quality monitoring sensor scale remover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100315438B1 (en) * | 1997-08-28 | 2002-02-28 | 조민호 | Water treatment composition for preventing scale and corrosion in enclosed circulation cooling system |
| CN101607766A (en) * | 2009-05-25 | 2009-12-23 | 新疆德蓝股份有限公司 | A kind of preparation that is used for the corrosion inhibiting and descaling agent of high alkaline high chlorine circulating cooling water |
| CN102730852A (en) * | 2012-07-16 | 2012-10-17 | 山东省泰和水处理有限公司 | Special corrosion and scale inhibitor for power plant circulating water |
| CN102936061A (en) * | 2012-11-27 | 2013-02-20 | 唐山金沙水处理有限公司 | Scale and corrosion inhibitor |
-
2013
- 2013-12-11 CN CN201310670634.3A patent/CN103663745A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100315438B1 (en) * | 1997-08-28 | 2002-02-28 | 조민호 | Water treatment composition for preventing scale and corrosion in enclosed circulation cooling system |
| CN101607766A (en) * | 2009-05-25 | 2009-12-23 | 新疆德蓝股份有限公司 | A kind of preparation that is used for the corrosion inhibiting and descaling agent of high alkaline high chlorine circulating cooling water |
| CN102730852A (en) * | 2012-07-16 | 2012-10-17 | 山东省泰和水处理有限公司 | Special corrosion and scale inhibitor for power plant circulating water |
| CN102936061A (en) * | 2012-11-27 | 2013-02-20 | 唐山金沙水处理有限公司 | Scale and corrosion inhibitor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060510A (en) * | 2015-07-30 | 2015-11-18 | 陈朝民 | Phosphor-free water treating agent |
| CN105060513A (en) * | 2015-07-30 | 2015-11-18 | 陈朝民 | Green water treatment agent |
| CN108773916A (en) * | 2018-05-25 | 2018-11-09 | 苏州佑君环境科技有限公司 | A kind of water quality monitoring sensor scale remover |
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Application publication date: 20140326 |