CN1715451A - High efficiency corrosion inhibiting scale retardant - Google Patents
High efficiency corrosion inhibiting scale retardant Download PDFInfo
- Publication number
- CN1715451A CN1715451A CN 200410025612 CN200410025612A CN1715451A CN 1715451 A CN1715451 A CN 1715451A CN 200410025612 CN200410025612 CN 200410025612 CN 200410025612 A CN200410025612 A CN 200410025612A CN 1715451 A CN1715451 A CN 1715451A
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- China
- Prior art keywords
- water
- corrosion
- high efficiency
- pape
- cooling water
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Abstract
The high efficiency corrosion and scale inhibitor consists of polyhydrolic alcohol phosphate ester 30-40 wt%, zinc sulfate 15-30 wt%, acrylic acid, acrylate and sulfonate copolymer 5-10 wt%, except water. The high efficiency corrosion and scale inhibitor is used as scale inhibitor and corrosion inhibitor in circular cooling water of oil refinery, chemical plant, chemical fertilizer plant, air conditioning system, heat exchanger of copper, etc. and is especially suitable for use in water flooding recovery. The outstanding advantages of the present invention include operating capacity in relatively high concentration of total soluble solid content up to 30 g/L in cooling water, and high corrosion and scale inhibiting effect even if in oil containing sludge water condition.
Description
Technical field:
The present invention relates to a kind of chemical reagent, especially a kind of reagent of burn into fouling of process metal surfaces is a kind of high-efficiency corrosion-mitigation scale-inhibition agent specifically.
Background technology:
In the prior art, at industrial circulating cooling water system frequent application maintenance medicament in the day-to-day operation process, to avoid corrosion and fouling.
The cycles of concentration of recirculated cooling water is the ratio of saltiness with the saltiness of its make up water of this recirculated cooling water.Improve the cycles of concentration of recirculated cooling water, can reduce the consumption of make up water, thus the conserve water resource; Can also reduce water amount of blowdown, thereby reduce the pollution of environment and the treatment capacity of waste water.In addition, improve the consumption of all right conserve water treatment agent of cycles of concentration, thereby reduce the cost of treatment of cooling water.But, improve cycles of concentration too much, can make hardness, basicity and turbidity in the recirculated cooling water rise De Taigao, the fouling tendency of water increases a lot, thereby makes the difficulty of fouling control become too big; Also can make corrosive ion in the recirculated cooling water (Cl for example
-And SO
4 2-) and corrosives (H for example
2S, SO
2And NH
3) content increase, the corrodibility of water strengthens, thereby the difficulty of corrosion control is increased; Improving cycles of concentration too much also can make the residence time of medicament (for example poly-phosphate) in cooling water system increase and hydrolysis.Therefore, the cycles of concentration of water coolant is not to heal height better.
Summary of the invention:
Technical problem to be solved by this invention is: owing to encircle the concentrated higher of water coolant in the prior art, make hardness, basicity and turbidity in the recirculated cooling water rise De Taigao, the fouling tendency of water increases a lot, thereby makes the difficulty of fouling control become too big; Also can make corrosive ion in the recirculated cooling water (Cl for example
-And SO
4 2-) and corrosives (H for example
2S, SO
2And NH
3) content increase, the corrodibility of water strengthens, thereby the difficulty of corrosion control is increased, the present invention solves the problems of the technologies described above the technical scheme that is adopted to provide a kind of corrosion inhibiting and descaling agent efficiently, described corrosion inhibiting and descaling agent contains PAPE (PAPE), zinc sulfate, vinylformic acid-acrylate-co-polymer of sulfonate and water, wherein, the mass percent of each component is as follows:
PAPE (PAPE): 30%～40%
Zinc sulfate: 15%～30%
Vinylformic acid-acrylate-co-polymer of sulfonate: 5%～10%
Surplus is a water.
Preferably, the mass percent of each component is:
PAPE (PAPE): 30%～35%
Zinc sulfate: 15%～20%
Vinylformic acid-acrylate-co-polymer of sulfonate: 5%～8%
Surplus is a water.
The present invention can be used for refinery, the chemical plant, fertilizer plant, in the recirculated cooling waters such as air-conditioning system and copper heat exchanger as Scale inhibitors and inhibiter.Be specially adapted to the Scale inhibitors in the oil-field flooding operating process.The most outstanding advantage is to move under higher cycles of concentration, and the total molten solid content of water coolant can be brought up to 30000mg/L, can keep the corrosion-mitigation scale-inhibition effect under the condition of water quality of oily sludge.
Owing to introduced a plurality of polyoxyethylene groups in the molecule in this product, so compare, not only improved corrosion inhibition with the phosphoric acid ester water quality stabilizer of domestic present production, also improved dispersive ability to calcium dirt and silt.Especially also eliminated the shortcoming of phosphoric acid ester owing to phosphorus oxygen chain facile hydrolysis, its stability is higher than general organophosphate far away.It has unique effect for the water quality control of the oily cooling water of refinery.Can not be with the system of chlorine germicidal treatment for copper heat exchanger etc., this product can not resemble organic phosphonate or polycarboxylate and easily produce the ionic associate precipitation, and reduce both drug effects the non-oxidizable Biocidal algae-killing agent of quaternary ammonium salt type.Zine ion has unique effect in the water coolant to stablizing, so can be re-dubbed dispersed inhibiter.This product is compared with organic phosphoric acid salt solution stablizer, and toxicity is little, and sky, discharging back (3-4) gets final product natural degradation, can not cause environmental pollution.PAPE also has a particular performances, i.e. absorption---desorption performance.It both the same with most of water quality stabilizers can be for solid particulate adsorbs, and peculiar ground can desorb from solid particulate, therefore except that being applicable to the refinery cycling use of water, is used in the Scale inhibitors of doing in the oil-field flooding operating process especially.
The using method of this product is: add this product (10～20) mg/L and can prevent fouling, add-on is a little at height, also has good corrosion mitigating effect.Can be about 7.0～8.5 uses generally at PH.
Embodiment:
A kind of corrosion inhibiting and descaling agent efficiently of the present invention, described corrosion inhibiting and descaling agent contains PAPE (PAPE), zinc sulfate, vinylformic acid-acrylate-co-polymer of sulfonate and water, and wherein, the mass percent of each component is as follows:
PAPE (PAPE): 30%～40%
Zinc sulfate: 15%～30%
Vinylformic acid-acrylate-co-polymer of sulfonate: 5%～10%
Surplus is a water.
Preferably, the mass percent of each component is:
PAPE (PAPE): 30%～35%
Zinc sulfate: 15%～20%
Vinylformic acid-acrylate-co-polymer of sulfonate: 5%～8%
Surplus is a water.
Claims (2)
1, a kind of corrosion inhibiting and descaling agent efficiently is characterized in that: described corrosion inhibiting and descaling agent contains PAPE, zinc sulfate, vinylformic acid-acrylate-co-polymer of sulfonate and water, and wherein, the mass percent of each component is as follows:
PAPE (PAPE): 30%～40%
Zinc sulfate: 15%～30%
Vinylformic acid-acrylate-co-polymer of sulfonate: 5%～10%
Surplus is a water.
2, a kind of corrosion inhibiting and descaling agent efficiently is characterized in that: the mass percent of each component is:
PAPE (PAPE): 30%～35%
Zinc sulfate: 15%～20%
Vinylformic acid-acrylate-co-polymer of sulfonate: 5%～8%
Surplus is a water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410025612 CN1715451A (en) | 2004-06-30 | 2004-06-30 | High efficiency corrosion inhibiting scale retardant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410025612 CN1715451A (en) | 2004-06-30 | 2004-06-30 | High efficiency corrosion inhibiting scale retardant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1715451A true CN1715451A (en) | 2006-01-04 |
Family
ID=35821601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410025612 Pending CN1715451A (en) | 2004-06-30 | 2004-06-30 | High efficiency corrosion inhibiting scale retardant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1715451A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384762C (en) * | 2006-06-02 | 2008-04-30 | 淮南市蔚蓝水处理技术有限公司 | Polymer grey-water stabilizer |
| CN100434912C (en) * | 2006-06-03 | 2008-11-19 | 东北电力大学 | Quick automatic evaluation device for scale inhibitor performance based on conductance detecting |
| CN102304717A (en) * | 2011-09-15 | 2012-01-04 | 吴江市精工铝字制造厂 | Aluminum alloy corrosion inhibitor for neutral medium |
| CN102476874A (en) * | 2010-11-24 | 2012-05-30 | 中国石油化工股份有限公司 | Method for treating circulating water having wax oil leaked therein |
| CN104609578A (en) * | 2013-11-01 | 2015-05-13 | 湖州欧美新材料有限公司 | Multi-component corrosion and scale inhibitor |
| CN105130019A (en) * | 2015-07-13 | 2015-12-09 | 鞍钢贝克吉利尼水处理有限公司 | High-effective composite corrosion and scale inhibitor being suitable for high-calcium and -alkali water and preparation method thereof |
| CN105668811A (en) * | 2014-11-17 | 2016-06-15 | 国家电网公司 | Carbon steel corrosion inhibitor applied to reclaimed-water water source circulating cooling water system |
-
2004
- 2004-06-30 CN CN 200410025612 patent/CN1715451A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384762C (en) * | 2006-06-02 | 2008-04-30 | 淮南市蔚蓝水处理技术有限公司 | Polymer grey-water stabilizer |
| CN100434912C (en) * | 2006-06-03 | 2008-11-19 | 东北电力大学 | Quick automatic evaluation device for scale inhibitor performance based on conductance detecting |
| CN102476874A (en) * | 2010-11-24 | 2012-05-30 | 中国石油化工股份有限公司 | Method for treating circulating water having wax oil leaked therein |
| CN102476874B (en) * | 2010-11-24 | 2013-12-11 | 中国石油化工股份有限公司 | Method for treating circulating water having wax oil leaked therein |
| CN102304717A (en) * | 2011-09-15 | 2012-01-04 | 吴江市精工铝字制造厂 | Aluminum alloy corrosion inhibitor for neutral medium |
| CN104609578A (en) * | 2013-11-01 | 2015-05-13 | 湖州欧美新材料有限公司 | Multi-component corrosion and scale inhibitor |
| CN104609578B (en) * | 2013-11-01 | 2017-01-11 | 湖州欧美新材料有限公司 | Multi-component corrosion and scale inhibitor |
| CN105668811A (en) * | 2014-11-17 | 2016-06-15 | 国家电网公司 | Carbon steel corrosion inhibitor applied to reclaimed-water water source circulating cooling water system |
| CN105130019A (en) * | 2015-07-13 | 2015-12-09 | 鞍钢贝克吉利尼水处理有限公司 | High-effective composite corrosion and scale inhibitor being suitable for high-calcium and -alkali water and preparation method thereof |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |