CN102674570A - Composite low-phosphorus corrosion and scale inhibitor and application thereof - Google Patents
Composite low-phosphorus corrosion and scale inhibitor and application thereof Download PDFInfo
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- CN102674570A CN102674570A CN2011100712996A CN201110071299A CN102674570A CN 102674570 A CN102674570 A CN 102674570A CN 2011100712996 A CN2011100712996 A CN 2011100712996A CN 201110071299 A CN201110071299 A CN 201110071299A CN 102674570 A CN102674570 A CN 102674570A
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- 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
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- 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
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Abstract
The invention provides a composite low-phosphorus corrosion and scale inhibitor and application thereof. The composite low-phosphorus corrosion and scale inhibitor is prepared from a corrosion and scale inhibitor A and a corrosion and scale inhibitor B, wherein the corrosion and scale inhibitor A is prepared from 20-40 parts of polyepoxysuccinic acid (PESA), 20-40 parts of sodium gluconate and 20-60 parts of water; and the corrosion and scale inhibitor B is prepared from 10-25 parts of hydroxypropyl methacrylate (HPMA), 10-25 parts of acrylic acid/2-acrylamido-2-methylacrylsulfonic acid copolymer (AA/AMPS), 5-10 parts of 2-phosphonobutyl-1,2,4-tricarboxylic acid (PBTCA), 10-25 parts of zinc salt, 1-2 parts of fluorescent tracer and 13-64 parts of water. The technical scheme is as follows: the corrosion and scale inhibitor A and the corrosion and scale inhibitor B in a weight ratio of 1:2 are compounded with water. The composite low-phosphorus corrosion and scale inhibitor has excellent corrosion and scale inhibition effects, and thus, the phosphorus content in the product is low, thereby reducing the phosphorus discharge and having favorable environmental protection performance.
Description
Technical field
The present invention relates to a kind of compound low-phosphorus corrosion and scale inhibitor and application thereof.
Background technology
Phosphorus line formulation since 20th century the mid-1970s be applied to now more than 30 year.Because phosphorus is the water conditioner low price and has good inhibition and scale-inhibiting properties, in water treatment, still accounts for absolute leading status at present.On the one hand; It has made huge positive contribution for the corrosion and the scale problems that solve the industrial cycle water system, can imagine, does not have polymerization phosphorus and organic phosphine to exist; Just do not have industrial cycle water system and production equipment safety long-term operation, phosphorus is that water conditioner has brought great riches to society.On the other hand, because phosphorus content brings a large amount of P contained compounds generally at 8-15mg/L to trade effluent in the recirculated water; Cause pollution, although phosphorus is nontoxic, as nutrition source to environment; It makes body eutrophication; Impel particularly algae excessive propagation of mikrobe, cause harm such as lake water wawter bloom, red tide of sea, destroy the eubiosis.China is used for the nearly 100kt of phosphorus that corrosion inhibiting and descaling agent is produced every year at present; Just being based on phosphorus is the consideration of water conditioner to environmental influence; Strict control (discharge of wastewater primary standard P＜0.5mg/L, secondary standard P＜1.0mg/L) have made to the discharging of phosphorus in China.Therefore, organic phosphine is the production of water conditioner and uses and will be restricted, the water treatment agent prescription will be progressively to low-phosphorous and do not have a phosphatization development.
The low-phosphorus corrosion and scale inhibitor prescription is generally formed by without phosphorus and low-phosphorous corrosion inhibiting and descaling agent monomer complex; Since the nineties in 20th century; All developed phosphorus-free green anti-incrustation corrosion inhibitor SAP 73 (PASP) and the poly-epoxy succinic acid (PESA) with biodegradability both at home and abroad, they mainly are used as Scale inhibitors, possess certain corrosion inhibition simultaneously; Have good synergy with the composite use of organic phosphine corrosion inhibiting and descaling agent, can significantly reduce the phosphorus content of composite slow-corrosion scale resistor simultaneously.CN101781028A discloses a kind of efficient low-phosphorus corrosion dirt dispersion agent; It consists of: Sunmorl N 60S 2-12%, molybdenum or tungstate 1-5%, thiazole 1-2%, Zinc Chloride Anhydrous 3-6%, 2-phosphonic acids butane-1; 2; 4-tricarboxylic acid (PBTCA) 8-18%, vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS) 5-15%, N 3-6% and tracer agent 3-6%, all the other are deionized water." Treatment of Industrial Water " 2010.30 (3): 54-55; Introduced a kind of a kind of low-phosphorous type corrosion inhibiting and descaling agent ZH-350-YX that forms by organic phosphonate, phosphoryl carboxylic acid, inhibition synergistic agent, dispersant with high efficiency; Under the alkaline pH condition of concentrated 6 times of Yangtze River Water, has good corrosion and scale inhibition performance.
Summary of the invention
The object of the present invention is to provide a kind of compound low-phosphorus corrosion and scale inhibitor and application thereof, this compound low-phosphorus corrosion and scale inhibitor has excellent corrosion and scale inhibition performance, and is environmentally friendly.
To achieve these goals; Technical scheme of the present invention is a kind of compound low-phosphorus corrosion and scale inhibitor; It is characterized in that: be composited by weight 1: 2 by corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water; Corrosion inhibiting and descaling agent B is by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), 2-phosphonic acids butane-1,2, and 4-tricarboxylic acid (PBTCA), zinc salt, fluorescent tracer, water mix, wherein:
Each components by weight of corrosion inhibiting and descaling agent A is:
Poly-epoxy succinic acid (PESA) 20-40 part
Sunmorl N 60S 20-40 part
Water 20-60 part
Each components by weight of corrosion inhibiting and descaling agent B is:
Zinc salt of the present invention is a kind of in zinc sulfate or the zinc chloride.
Fluorescent tracer of the present invention is commercially available fluorescent tracer.
When in recirculating cooling water system, using copper material equipment; Also can contain heterogeneous ring compound among the corrosion inhibiting and descaling agent B of the present invention as copper inhibitor; Described copper material corrosion inhibitor is preferably from benzotriazole, methyl benzotriazazole or mercapto benzothiazole, and the effective concentration of copper material corrosion inhibitor is 0.5-1.5mg/L.
Vinylformic acid of the present invention/2-acrylic amide-2-methyl propane sulfonic acid multipolymer is commercially available water conditioner, satisfies HG/T 3642-1999 requirement.
A kind of application of compound low-phosphorus corrosion and scale inhibitor; It is characterized in that; Corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B in recirculated cooling water, add 30-50 milligram corrosion inhibiting and descaling agent A and 60-100 milligram corrosion inhibiting and descaling agent B by weight 1: 2 Application of composite in every liter of recirculated cooling water.
Compound low-phosphorus corrosion and scale inhibitor of the present invention, low and consumption is less because of PBTCA phosphorus content wherein, can make in the recirculated water total phosphorus (with PO
4 3-Meter) content is less than 2mg/L.
The present invention is with poly-epoxy succinic acid, Sunmorl N 60S, hydrolyzed polymaleic anhydride, 2-phosphonic acids butane-1,2, and the 4-tricarboxylic acid is that the composite compound low-phosphorus corrosion and scale inhibitor that forms of host has following characteristics:
(1) phosphorus content is low, has reduced the discharging of phosphorus, has alleviated the pollution to environment, has the feature of environmental protection preferably.
(2) high to calcium and alkali tolerance, the Cl of resisting high-concentration
-And SO
4 2-Corrosion, the pH scope of adaptation is wide, for recirculated water moves, reduces sewage discharge under the high concentration multiple condition technical qualification is provided.
Embodiment
In order to understand essence of the present invention better, further set forth below in conjunction with embodiment, but content of the present invention not only is confined to following embodiment content of the present invention.
Embodiment 1
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
20 parts of poly-epoxy succinic acids (PESA)
40 parts of Sunmorl N 60Ss
40 parts in water
Corrosion inhibiting and descaling agent B is by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), 2-phosphonic acids butane-1; 2; 4-tricarboxylic acid (PBTCA), zinc salt, fluorescent tracer, water mix, and each components by weight is:
Described zinc salt is a zinc sulfate.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 30 milligrams of corrosion inhibiting and descaling agent A and 60 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 2
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
25 parts of poly-epoxy succinic acids (PESA)
20 parts of Sunmorl N 60Ss
55 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc sulfate.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 35 milligrams of corrosion inhibiting and descaling agent A and 70 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 3
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
30 parts of poly-epoxy succinic acids (PESA)
20 parts of Sunmorl N 60Ss
50 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc sulfate.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 40 milligrams of corrosion inhibiting and descaling agent A and 80 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 4
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
Poly-epoxy succinic acid (PESA) 35%
Sunmorl N 60S 20%
Water 45%
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc chloride.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 45 milligrams of corrosion inhibiting and descaling agent A and 90 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 5
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
40 parts of poly-epoxy succinic acids (PESA)
40 parts of Sunmorl N 60Ss
20 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc chloride.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 50 milligrams of corrosion inhibiting and descaling agent A and 100 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 6
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
20 parts of poly-epoxy succinic acids (PESA)
25 parts of Sunmorl N 60Ss
55 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc chloride.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 30 milligrams of corrosion inhibiting and descaling agent A and 60 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 7
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
20 parts of poly-epoxy succinic acids (PESA)
35 parts of Sunmorl N 60Ss
45 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc sulfate.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 35 milligrams of corrosion inhibiting and descaling agent A and 70 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 8
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
35 parts of poly-epoxy succinic acids (PESA)
35 parts of Sunmorl N 60Ss
30 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc sulfate.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 40 milligrams of corrosion inhibiting and descaling agent A and 80 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 9
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
35 parts of poly-epoxy succinic acids (PESA)
40 parts of Sunmorl N 60Ss
25 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc sulfate.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 45 milligrams of corrosion inhibiting and descaling agent A and 90 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 10
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
30 parts of poly-epoxy succinic acids (PESA)
25 parts of Sunmorl N 60Ss
45 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc chloride.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 50 milligrams of corrosion inhibiting and descaling agent A and 100 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 11
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
30 parts of poly-epoxy succinic acids (PESA)
30 parts of Sunmorl N 60Ss
40 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc chloride.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 30 milligrams of corrosion inhibiting and descaling agent A and 60 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 12
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
25 parts of poly-epoxy succinic acids (PESA)
30 parts of Sunmorl N 60Ss
45 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc chloride.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 35 milligrams of corrosion inhibiting and descaling agent A and 70 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 13
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
25 parts of poly-epoxy succinic acids (PESA)
25 parts of Sunmorl N 60Ss
50 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc sulfate.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 40 milligrams of corrosion inhibiting and descaling agent A and 80 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 14
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
40 parts of poly-epoxy succinic acids (PESA)
30 parts of Sunmorl N 60Ss
30 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc sulfate.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 45 milligrams of corrosion inhibiting and descaling agent A and 90 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
Embodiment 15
A kind of compound low-phosphorus corrosion and scale inhibitor prescription, it is made up of corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, wherein:
Corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water, and each components by weight is:
40 parts of poly-epoxy succinic acids (PESA)
25 parts of Sunmorl N 60Ss
35 parts in water
Corrosion inhibiting and descaling agent B is mixed by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), zinc salt, fluorescent tracer, water, and each components by weight is:
Described zinc salt is a zinc sulfate.
Above-mentioned compound low-phosphorus corrosion and scale inhibitor prescription is applied in the recirculated cooling water, adds 50 milligrams of corrosion inhibiting and descaling agent A and 100 milligrams of corrosion inhibiting and descaling agent B in per 1 liter of recirculated cooling water.
1. test portion
1.1 test water quality: the moisturizing of Ba Ling petro-chemical corporation recirculated cooling water, table 1 is seen in water.
Table 1 moisturizing water quality data
1.2 static test result
According to the water quality characteristics of Ba Ling petro-chemical corporation make up water, select embodiment 11 (being corrosion inhibiting and descaling agent A:502-A, corrosion inhibiting and descaling agent B:502-B) for use.In order to verify the feasibility of prescription, further done a series of proof test.
1.2.1 scale-inhibiting properties test---tosca method (GB/T16632-1996)
Test-results such as table 2:
Table 2 static sedimentation method test-results
1.2.2 corrosion inhibition test---rotary hanging plate method (GB/T18175-2000)
Test-results such as table 3:
Table 3 rotary hanging plate test-results
1.2.3 test data analyzer
Can find out from above testing data; Compound low-phosphorus corrosion and scale inhibitor prescription 502-A, 502-B have good inhibition and scale inhibition effect; Performance index all reach the GB/T50050-1995 standard, and it is that 50mg/L, 502-B are 100mg/L that pharmaceutical quantities tentatively is decided to be 502-A.
1.3 dynamic property simplation verification test
For whether further proof test medicament meets on-the-spot operating requirement, make test effect more near situation such as on-the-spot aeration, heat exchanges, the performance verification test below having designed, the i.e. small-sized dynamic testing of simulated field condition.Under the specified criteria of laboratory; With saturated vapor heating heat exchanger under the normal pressure; Significant parameters such as the flow velocity of simulated field, water quality, metal material, heat transfer intensity and cooling water intakeoutfall water temperature; Long run test 15 days maintains the recirculated water concentration rate between the 4-6, corrosion of inspection test tube and foul.
QYDM type Intelligent Dynamic testing apparatus is adopted in this test, and this installs by computer system management, and according to experiment parameter, computer calculates instantaneous fouling resistance and average year fouling resistance value automatically, and operator chemically examine water quality on request and regulate and control drug concentration.
1.3.1 testing data
Table 4 dynamic analog test result
1.3.2 test-results discussion
Can know by the dynamic analog test result; Compound low-phosphorus corrosion and scale inhibitor prescription is that 50mg/L, 502-B have excellent inhibition and scale-inhibiting properties during for 100mg/L at 502-A; Its experimental result is superior to the GB/T50050-1995 index request; Can satisfy the operation needs of recirculating cooling water system, and experimental data trend conforms to front static test data also.
1.4 Biocidal algae-killing agent is to the influence test (rotary hanging plate method) of medicament corrosion inhibition
The Biocidal algae-killing agent kind of the daily employing of recirculated water is more, selects quaternary ammonium salt 1227, RH-893, dioxide peroxide several kinds of relatively more typical Biocidal algae-killing agents such as (the on-the-spot generations) to do simultaneous test here.Test conditions: test water: Ba Ling petro-chemical corporation industry make up water; Test temperature: 50 ± 1 ℃; Test period: 72 hours; Adding consistency: 502-A 50mg/L, 502-B 100mg/L, sterilant 100mg/L; Test piece material: carbon steel.Test-results such as table 5
Table 5 corrosion inhibition testing data
Data results can be found out from last table, and the sterilant algicide does not produce bigger influence to the corrosion inhibition of compound low-phosphorus corrosion and scale inhibitor, explains that Biocidal algae-killing agent commonly used can be used with compound low-phosphorus corrosion and scale inhibitor.
Claims (3)
1. compound low-phosphorus corrosion and scale inhibitor, it is characterized in that: be composited by weight 1: 2 by corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B, corrosion inhibiting and descaling agent A is mixed by poly-epoxy succinic acid (PESA), Sunmorl N 60S, water; Corrosion inhibiting and descaling agent B is by HPMA (HPMA), vinylformic acid/2-acrylic amide-2-methacrylic sulfonic acid copolymer (AA/AMPS), 2-phosphonic acids butane-1,2, and 4-tricarboxylic acid (PBTCA), zinc salt, fluorescent tracer, water mix, wherein:
Each components by weight of corrosion inhibiting and descaling agent A is:
Poly-epoxy succinic acid (PESA) 20-40 part
Sunmorl N 60S 20-40 part
Water 20-60 part
Each components by weight of corrosion inhibiting and descaling agent B is:
2. compound low-phosphorus corrosion and scale inhibitor according to claim 1 is characterized in that: zinc salt is a kind of in zinc sulfate or the zinc chloride.
3. the application of a compound low-phosphorus corrosion and scale inhibitor; It is characterized in that: corrosion inhibiting and descaling agent A and corrosion inhibiting and descaling agent B in recirculated cooling water, add 30-50 milligram corrosion inhibiting and descaling agent A and 60-100 milligram corrosion inhibiting and descaling agent B by weight 1: 2 Application of composite in every liter of recirculated cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100712996A CN102674570A (en) | 2011-03-15 | 2011-03-15 | Composite low-phosphorus corrosion and scale inhibitor and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100712996A CN102674570A (en) | 2011-03-15 | 2011-03-15 | Composite low-phosphorus corrosion and scale inhibitor and application thereof |
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| CN103319011A (en) * | 2013-07-15 | 2013-09-25 | 北京市龙源科创石油技术有限公司 | Low-phosphorous environment-friendly composite scale and corrosion inhibitor |
| CN103319006A (en) * | 2013-07-08 | 2013-09-25 | 广州市金润环保科技有限公司 | Novel water treatment agent and preparation method thereof |
| CN105060517A (en) * | 2015-07-29 | 2015-11-18 | 湖北省兴发磷化工研究院有限公司 | Low-phosphorus high-efficiency corrosion and scale inhibitor and application thereof in scale inhibition of industrial circulating cooling water |
| CN106045067A (en) * | 2016-07-19 | 2016-10-26 | 威海翔宇环保科技股份有限公司 | Theft-proof instructive corrosion-inhibiting scale inhibitor for heating boiler water and using method thereof |
| CN106517545A (en) * | 2016-07-31 | 2017-03-22 | 乌鲁木齐德安东升环保设备有限公司 | Efficient low-phosphorus macromolecule scale inhibition corrosion inhibitor and preparation method thereof |
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| CN107777789A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Low-phosphor efficient anti-incrustation corrosion inhibitor for circulating water treatment and preparation method thereof |
| CN109748407A (en) * | 2017-11-03 | 2019-05-14 | 中国石油化工股份有限公司 | The processing method of recirculated cooling water |
| CN109748406A (en) * | 2017-11-03 | 2019-05-14 | 中国石油化工股份有限公司 | The processing method of recirculated cooling water |
| CN109748402A (en) * | 2017-11-03 | 2019-05-14 | 中国石油化工股份有限公司 | The processing method of low-phosphorous composite slow-corrosion scale resistor and its application and recirculated cooling water |
| CN111039425A (en) * | 2018-10-12 | 2020-04-21 | 中国石油化工股份有限公司 | Composite scale and corrosion inhibitor suitable for natural pH operation and application thereof |
| CN111039424A (en) * | 2018-10-12 | 2020-04-21 | 中国石油化工股份有限公司 | Composite scale and corrosion inhibitor suitable for low-hardness water and application thereof |
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| CN112978944A (en) * | 2021-02-26 | 2021-06-18 | 常州大学 | Fluorescent tracing type non-phosphorus corrosion and scale inhibitor PESA-X and preparation method and application thereof |
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| CN103086524A (en) * | 2012-12-07 | 2013-05-08 | 江苏天脉化工有限公司 | High-efficiency grey water dispersing agent |
| CN103319006A (en) * | 2013-07-08 | 2013-09-25 | 广州市金润环保科技有限公司 | Novel water treatment agent and preparation method thereof |
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| CN103319011A (en) * | 2013-07-15 | 2013-09-25 | 北京市龙源科创石油技术有限公司 | Low-phosphorous environment-friendly composite scale and corrosion inhibitor |
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| CN105060517A (en) * | 2015-07-29 | 2015-11-18 | 湖北省兴发磷化工研究院有限公司 | Low-phosphorus high-efficiency corrosion and scale inhibitor and application thereof in scale inhibition of industrial circulating cooling water |
| US11760672B2 (en) | 2015-09-25 | 2023-09-19 | Ecolab Usa Inc. | Antiscale dispersant composition and use thereof |
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| CN106517545A (en) * | 2016-07-31 | 2017-03-22 | 乌鲁木齐德安东升环保设备有限公司 | Efficient low-phosphorus macromolecule scale inhibition corrosion inhibitor and preparation method thereof |
| CN107777789A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Low-phosphor efficient anti-incrustation corrosion inhibitor for circulating water treatment and preparation method thereof |
| CN106745852A (en) * | 2016-12-15 | 2017-05-31 | 钦州市钦南区科学技术情报研究所 | A kind of phosphate-free corrosion inhibition antisludging agent and preparation method thereof |
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| CN112645457A (en) * | 2019-10-11 | 2021-04-13 | 西南科技大学 | Environment-friendly corrosion and scale inhibitor for chromium salt wastewater evaporation system |
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| CN112811620A (en) * | 2021-01-04 | 2021-05-18 | 山东天庆科技发展有限公司 | Low-phosphorus scale and corrosion inhibitor for circulating water |
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