CN103708635A - Scale and corrosion inhibitor - Google Patents
Scale and corrosion inhibitor Download PDFInfo
- Publication number
- CN103708635A CN103708635A CN201310670783.XA CN201310670783A CN103708635A CN 103708635 A CN103708635 A CN 103708635A CN 201310670783 A CN201310670783 A CN 201310670783A CN 103708635 A CN103708635 A CN 103708635A
- Authority
- CN
- China
- Prior art keywords
- corrosion inhibitor
- methylenephosphonic
- acid
- water
- incrustation 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.)
- Granted
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 53
- 238000005260 corrosion Methods 0.000 title claims abstract description 53
- 239000003112 inhibitor Substances 0.000 title claims abstract description 37
- 239000002253 acid Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 18
- 229920000570 polyether Polymers 0.000 claims abstract description 18
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 18
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 18
- 150000007513 acids Chemical class 0.000 claims description 33
- 229920002125 Sokalan® Polymers 0.000 claims description 17
- SYECJBOWSGTPLU-UHFFFAOYSA-N hexane-1,1-diamine Chemical compound CCCCCC(N)N SYECJBOWSGTPLU-UHFFFAOYSA-N 0.000 claims description 17
- 239000004584 polyacrylic acid Substances 0.000 claims description 17
- 229910000975 Carbon steel Inorganic materials 0.000 abstract description 8
- 239000010962 carbon steel Substances 0.000 abstract description 8
- 238000002474 experimental method Methods 0.000 abstract description 7
- 239000010935 stainless steel Substances 0.000 abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- KIDJHPQACZGFTI-UHFFFAOYSA-N [6-[bis(phosphonomethyl)amino]hexyl-(phosphonomethyl)amino]methylphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCCCCCN(CP(O)(O)=O)CP(O)(O)=O KIDJHPQACZGFTI-UHFFFAOYSA-N 0.000 abstract 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 abstract 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 abstract 1
- -1 pentamethylene phosphonic acid Chemical compound 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 12
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 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
- 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, and concretely relates to a scale and corrosion inhibitor. The scale and corrosion inhibitor comprises 40-50wt% of polyamino polyether methylene phosphonae, 10-15wt% of hexamethylene diamine tetramethylene phosphonic acid, 10-20wt% of bis-1,6-hexamethylene triamine pentamethylene phosphonic acid, 1-3wt% ofpolyacrylic acid , 5-10wt% of zinc sulfate, and the balance water. The scale and corrosion inhibitor has a substantial effect on circulating water with high hardness and high pH value, and allows the adherence speed of carbon steel experiment tubes to be reduced 5.59mcm, the corrosion speed of carbon steel to be reduced 0.00932mm/a and the corrosion speed of stainless steel to be reduced to 0.0000934mm/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 the recirculated water of high rigidity, high pH 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 the recirculated water of high rigidity, wide region pH.
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:
Polyamino polyether base methylenephosphonic acid 40-50%
Hexanediamine four methylenephosphonic acid 10-15%
Two hexamethylene triamine five methylenephosphonic acid 10-20%
Polyacrylic acid 1-3%
Zinc sulfate 5-10%
All the other are water.
As optimization, above-mentioned a kind of anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
2 polyamino polyether base methylenephosphonic acids 40%
Hexanediamine four methylenephosphonic acids 10%
Two hexamethylene triamine five methylenephosphonic acids 10%
Polyacrylic acid 1%
Zinc sulfate 5%
All the other are water.
As optimization, above-mentioned a kind of anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
Polyamino polyether base methylenephosphonic acid 42.5%
Hexanediamine four methylenephosphonic acids 11.3%
Two hexamethylene triamine five methylenephosphonic acids 12.5%
Polyacrylic acid 1.2%
Zinc sulfate 5.6%
All the other are water.
As optimization, above-mentioned a kind of anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
Polyamino polyether base methylenephosphonic acid 44.3%
Hexanediamine four methylenephosphonic acids 12.5%
Two hexamethylene triamine five methylenephosphonic acids 14.9%
Polyacrylic acid 1.5%
Zinc sulfate 6.3%
All the other are water.
As optimization, above-mentioned a kind of anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
Polyamino polyether base methylenephosphonic acid 46.8%
Hexanediamine four methylenephosphonic acids 13.5%
Two hexamethylene triamine five methylenephosphonic acids 17.2%
Polyacrylic acid 2.2%
Zinc sulfate 8.5%
All the other are water.
As optimization, above-mentioned a kind of anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
Polyamino polyether base methylenephosphonic acid 50%
Hexanediamine four methylenephosphonic acids 15%
Two hexamethylene triamine five methylenephosphonic acids 20%
Polyacrylic acid 3%
Zinc sulfate 10%
All the other are water.
The invention has the beneficial effects as follows: the recirculated water that the present invention is directed to the high PH of high rigidity all has effect more significantly, its medium carbon steel experiment tube adheres to Speed Reduction to 5.59mcm, the corrosion speed of carbon steel is reduced to 0.00932mm/a, and stainless corrosion speed is reduced to 0.0000934mm/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
An anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
2 polyamino polyether base methylenephosphonic acids 40%
Hexanediamine four methylenephosphonic acids 10%
Two hexamethylene triamine five methylenephosphonic acids 10%
Polyacrylic acid 1%
Zinc sulfate 5%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, PH is the anti-incrustation corrosion inhibitor of 11 interpolation 30mg/L, by detecting interchanger, monitors to such an extent that carbon steel experiment tube adheres to speed 6.11mcm, corrosion speed 0.011mm/a.Corrosion of Stainless Steel speed 0.0001131mm/a.
Embodiment 2
An anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
Polyamino polyether base methylenephosphonic acid 42.5%
Hexanediamine four methylenephosphonic acids 11.3%
Two hexamethylene triamine five methylenephosphonic acids 12.5%
Polyacrylic acid 1.2%
Zinc sulfate 5.6%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, PH is the anti-incrustation corrosion inhibitor of 11 interpolation 30mg/L, by detecting interchanger, monitors to such an extent that carbon steel experiment tube adheres to speed 5.89mcm, corrosion speed 0.00965mm/a.Corrosion of Stainless Steel speed 0.0000985mm/a.
Embodiment 3
An anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
Polyamino polyether base methylenephosphonic acid 44.3%
Hexanediamine four methylenephosphonic acids 12.5%
Two hexamethylene triamine five methylenephosphonic acids 14.9%
Polyacrylic acid 1.5%
Zinc sulfate 6.3%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, PH is the anti-incrustation corrosion inhibitor of 11 interpolation 30mg/L, by detecting interchanger, monitors to such an extent that carbon steel experiment tube adheres to speed 5.59mcm, corrosion speed 0.00932mm/a.Corrosion of Stainless Steel speed 0.0000934mm/a.
Embodiment 4
An anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
Polyamino polyether base methylenephosphonic acid 46.8%
Hexanediamine four methylenephosphonic acids 13.5%
Two hexamethylene triamine five methylenephosphonic acids 17.2%
Polyacrylic acid 2.2%
Zinc sulfate 8.5%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, PH is the anti-incrustation corrosion inhibitor of 11 interpolation 30mg/L, by detecting interchanger, monitors to such an extent that carbon steel experiment tube adheres to speed 5.76mcm, corrosion speed 0.00983mm/a.Corrosion of Stainless Steel speed 0.0000994mm/a.
Embodiment 5
An anti-incrustation corrosion inhibitor, is comprised of following component by weight percentage:
Polyamino polyether base methylenephosphonic acid 50%
Hexanediamine four methylenephosphonic acids 15%
Two hexamethylene triamine five methylenephosphonic acids 20%
Polyacrylic acid 3%
Zinc sulfate 10%
All the other are water.
Former water calcium hardness (in calcium carbonate) 295mg/L, PH is the anti-incrustation corrosion inhibitor of 11 interpolation 30mg/L, by detecting interchanger, monitors to such an extent that carbon steel experiment tube adheres to speed 5.92mcm, corrosion speed 0.01012mm/a.Corrosion of Stainless Steel speed 0.0001021mm/a.
Claims (6)
1. an anti-incrustation corrosion inhibitor, by following component by weight percentage, formed: polyamino polyether base methylenephosphonic acid 40-50%, hexanediamine four methylenephosphonic acid 10-15%, two 1,6-hexylidene triamine five methylenephosphonic acid 10-20%, polyacrylic acid 1-3%, zinc sulfate 5-10%, 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: 2 polyamino polyether base methylenephosphonic acids 40%, hexanediamine four methylenephosphonic acids 10%, two 1,6-hexylidene triamine five methylenephosphonic acids 10%, polyacrylic acid 1%, zinc sulfate 5%, 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: polyamino polyether base methylenephosphonic acid 42.5%, hexanediamine four methylenephosphonic acids 11.3%, two 1,6-hexylidene triamine five methylenephosphonic acids 12.5%, polyacrylic acid 1.2%, zinc sulfate 5.6%, 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: polyamino polyether base methylenephosphonic acid 44.3%, hexanediamine four methylenephosphonic acids 12.5%, two 1,6-hexylidene triamine five methylenephosphonic acids 14.9%, polyacrylic acid 1.5%, zinc sulfate 6.3%, 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: polyamino polyether base methylenephosphonic acid 46.8%, hexanediamine four methylenephosphonic acids 13.5%, two 1,6-hexylidene triamine five methylenephosphonic acids 17.2%, polyacrylic acid 2.2%, zinc sulfate 8.5%, 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: polyamino polyether base methylenephosphonic acid 50%, hexanediamine four methylenephosphonic acids 15%, two 1,6-hexylidene triamine five methylenephosphonic acids 20%, polyacrylic acid 3%, zinc sulfate 10%, all the other are water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310670783.XA CN103708635B (en) | 2013-12-11 | 2013-12-11 | Scale and corrosion inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310670783.XA CN103708635B (en) | 2013-12-11 | 2013-12-11 | Scale and corrosion inhibitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103708635A true CN103708635A (en) | 2014-04-09 |
| CN103708635B CN103708635B (en) | 2015-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310670783.XA Expired - Fee Related CN103708635B (en) | 2013-12-11 | 2013-12-11 | Scale and corrosion inhibitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103708635B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245038A (en) * | 2016-08-13 | 2016-12-21 | 威海翔宇环保科技股份有限公司 | A kind of recirculated water Low-temperature corrosion inhibitor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1589109A (en) * | 1978-05-22 | 1981-05-07 | Buckman Labor Inc | Compositions for inhibiting corrosion and formation of scale and sludge in aqueous systems |
| US4554090A (en) * | 1984-03-09 | 1985-11-19 | Jones L W | Combination corrosion/scale inhibitor |
| CN101172719A (en) * | 2006-10-31 | 2008-05-07 | 中国石油化工股份有限公司 | Dirty blocking inhibitor and application in water treatment thereof |
| CN102603086A (en) * | 2012-04-19 | 2012-07-25 | 山东京博控股股份有限公司 | Corrosion and scale inhibitor for cooling water in petrochemical industry |
| CN102674572A (en) * | 2012-06-04 | 2012-09-19 | 温州市南星环保有限公司 | Scale preventing and removing agent and production process thereof |
| 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 |
-
2013
- 2013-12-11 CN CN201310670783.XA patent/CN103708635B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1589109A (en) * | 1978-05-22 | 1981-05-07 | Buckman Labor Inc | Compositions for inhibiting corrosion and formation of scale and sludge in aqueous systems |
| US4554090A (en) * | 1984-03-09 | 1985-11-19 | Jones L W | Combination corrosion/scale inhibitor |
| CN101172719A (en) * | 2006-10-31 | 2008-05-07 | 中国石油化工股份有限公司 | Dirty blocking inhibitor and application in water treatment thereof |
| CN102603086A (en) * | 2012-04-19 | 2012-07-25 | 山东京博控股股份有限公司 | Corrosion and scale inhibitor for cooling water in petrochemical industry |
| CN102674572A (en) * | 2012-06-04 | 2012-09-19 | 温州市南星环保有限公司 | Scale preventing and removing agent and production process thereof |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245038A (en) * | 2016-08-13 | 2016-12-21 | 威海翔宇环保科技股份有限公司 | A kind of recirculated water Low-temperature corrosion inhibitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103708635B (en) | 2015-06-24 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: QU QIFEI Free format text: FORMER OWNER: SHANDONG HUAYA ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date: 20150521 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qu Qifei Inventor after: Fan Lize Inventor after: Lin Feng Inventor after: Pu Hongtao Inventor before: Mou Junping Inventor before: Yu Chunguang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: MOU JUNPING YU CHUNGUANG TO: QU QIFEI FAN LIZE LIN FENG PU HONGTAO |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20150521 Address after: 252004 Liaocheng branch of Shandong special equipment inspection and Research Institute, 15 Tong Hu Road, Shandong, Liaocheng Applicant after: Qu Qifei 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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Granted publication date: 20150624 Termination date: 20151211 |
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