CN102030420B - Phosphorus-free boiler water treating agent - Google Patents
Phosphorus-free boiler water treating agent Download PDFInfo
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- CN102030420B CN102030420B CN2011100004600A CN201110000460A CN102030420B CN 102030420 B CN102030420 B CN 102030420B CN 2011100004600 A CN2011100004600 A CN 2011100004600A CN 201110000460 A CN201110000460 A CN 201110000460A CN 102030420 B CN102030420 B CN 102030420B
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Abstract
The invention relates to a phosphorus-free boiler water treating agent, which is prepared from the following raw materials in percentage by mass: 3 to 25 percent of organic carboxylic polymer, 1 to 15 percent of organic amine, 1 to 5 percent of organic deoxidizer, 0 to 3 percent of sodium hydroxide and 52 to 95 percent of water. The organic carboxylic polymer has the molecular formula of -[CHR<1>-CH(COOH)-R<2>]-n, wherein R<1> may be one or more of H, CH3, C6H5, alkyl, naphthenic base, halogenated base and heteroaryl; and R<2> may be one or more of CH2, CH(CH3), C6H5, COOH, alkyl, naphthenic base, halogenated base, heteroaryl, acyl and amide group. The phosphorus-free boiler water treating agent has the advantages that: negative effects brought by the use of phosphates are overcome, and parameters are stably controlled; the phosphorus-free boiler water treating agent is high molecular weight organic polymer without impurities, the critical salt content of boiler water is increased, the rate of blowdown of a boiler is reduced and energy sources are saved; and the phosphorus-free boiler water treating agent is a liquid type product, and is nontoxic, flash point-free, and safe and convenient to use and operate.
Description
Technical field
The present invention relates to chemical field, relate in particular to a kind of without phosphorus water treating agent for boilers.
Background technology
The patent No. is a water treating agent for boilers for the 91104700.X patent name, and it is applicable to and uses former water that soft water is made the various types of steam and the hot water boiler of supplementary feed, is low pressure boiler, fills a prescription to contain phosphine.The patent No. is that 02128549.7 patent name is that steam boiler is used water conditioner, and it is applicable to middle low-pressure boiler, and oiler feed is softening water or one-level de-mineralized water.The patent No. is that 97103452.4 patent names are water conditioner and the water treatment method that is used for soft water Boilers, and it is applicable to that feedwater is the low pressure boiler of softening water.The patent No. is a kind of water treating agent for boilers for the 200510025381.X patent name, and it is applicable to that feedwater is the low pressure boiler of softening water, and it is phosphorous to fill a prescription.The patent No. is that 200510025385.8 patent names are the water treating agent for boilers with scale inhibition and inhibition double effects, and it is applicable to the water quality of high basicity high solids content, generally is that low pressure boiler uses, and it is phosphorous to fill a prescription.
Summary of the invention
The purpose of this invention is to provide a kind of without phosphorus water treating agent for boilers, to overcome the deficiency that existing water treating agent for boilers exists.
The object of the invention is realized through following technical scheme:
A kind of without phosphorus water treating agent for boilers, its raw material by following mass percent is processed: organic carboxyl acid polymkeric substance 3-25, organic amine 1-15, organic oxygen scavenger 1-5, sodium hydroxide 0-3, water 52-95, wherein, organic carboxyl acid polymer molecule formula is-[CHR
1-CH (COOH)-R
2]-
n, R
1And R
2Be substituting group, wherein R
1Be to be selected from H, CH
3, C
6H
5, among the COOH, alkyl, naphthenic base, halogeno-group, heteroaryl one or more, R
2Be to be selected from CH
2, CH (CH
3), C
6H
5, among the COOH, alkyl, naphthenic base, halogeno-group, heteroaryl, acyl group, carboxamido-group one or more.Amine, morpholine, trolamine, diethylolamine, Monoethanolamine MEA BASF or molecular formula are R to organic amine in order to encircle
3The amine of-NH2, wherein R
3Be C
1-20Straight chained alkyl, branched-chain alkyl, naphthenic base or aryl.Said oxygen scavenger is organic oxygen scavenger.
Beneficial effect of the present invention is: 1. the middle and high pressure boiler water system that is applicable to one-level or secondary de-mineralized water.
2. overcome the various negative impacts of using phosphoric acid salt to bring, reduced discharging, the parameter control stabilization.
3. HMW organic polymer composition formula does not have impurity to introduce, and has improved the critical saltiness of feedwater, and boiler blowdown rate reduces, save energy.
4. the scale inhibition of polymkeric substance and dispersion effect can prevent fouling and iron, the copper in the stove, the deposition of silicon.
5. keep the boiler internal cleaning, do not have corrosion, need not extra unplanned shutdown and cleaning operation.
6. liquid-type product, nontoxic, no flash-point uses, easy-to-operate.
Embodiment
Embodiment 1
The embodiment of the invention 1 described a kind of without phosphorus water treating agent for boilers, its raw material by following mass percent is processed: 218 kilograms of Vestolen PP 7052 carboxylic acids, encircle 123 kilograms of amine, 25 kilograms of phosphinylidyne two hydrazines, 15 kilograms in sodium hydroxide, 621 kilograms in water.The process step of producing 1 ton is: earlier add 621 kg water to reaction kettle, heating water temperature to 40 ℃ adds 15 kilograms in sodium hydroxide; 218 kilograms of Vestolen PP 7052 carboxylic acids with encircle 123 kilograms of amine, stirred 10 minutes, add 25 kilograms of phosphinylidyne two hydrazines again; Stirred 60 minutes, and be cooled to 20 ℃, get final product finished product.
Site of deployment is the power medium pressure boiler device of a refinery, and steam exhaling amount is 360 tons/h, and oiler feed is carried out the one-level desalination through filtration, IX, and pH 7.5, specific conductivity 3.4 μ s/cm, hardness 1.2 μ mol/L, Na
+125 μ g/L, SiO
230 μ g/L, boiler blowdown rate 4.9%, Na in the steam
+18 μ g/L, SiO
215 μ g/L.Adopt this recombiner, add 20mg/L continuously, feedwater pH is stabilized in 10.8, and boiler blowdown rate reduces to 2.1%, Na in the steam
+9 μ g/L, SiO
27 μ g/L, after six months, parking checking, drum is inner to be cleaned, and does not have deposition, and the surface has the black passivation protective membrane to generate.
Embodiment 2
The embodiment of the invention 2 described a kind of without phosphorus water treating agent for boilers, its raw material by following mass percent is processed: 185 kilograms of PS methyl carboxylic acids, 150 kilograms of hexahydroaniline, 10 kilograms of phosphinylidyne two hydrazines, 12 kilograms in sodium hydroxide, 643 kilograms in water.The process step of producing 1 ton is: earlier add 643 kg water to reaction kettle, heating water temperature to 40 ℃ adds 12 kilograms in sodium hydroxide; 185 kilograms of PS methyl carboxylic acids with encircle 150 kilograms of amine; Stirred 10 minutes, and added 10 kilograms of phosphinylidyne two hydrazines again, stirred 60 minutes; Be cooled to 20 ℃, get final product finished product.
Site of deployment is the high pressure cracking steam generating plant of an ethylene plant, and steam exhaling amount is 87 tons/h, and oiler feed is carried out the secondary desalination through filtration, IX, mixed bed, and pH 6.7, specific conductivity 0.4 μ s/cm, hardness 0 μ mol/L, Na
+15 μ g/L, SiO
213 μ g/L, boiler blowdown rate 3.7%, Na in the steam
+15 μ g/L, SiO
217 μ g/L.Adopt this recombiner, add 15mg/L continuously, feedwater pH is stabilized in 9.7, and boiler blowdown rate reduces to 1.8%, Na in the steam
+6 μ g/L, SiO
28 μ g/L, after 1 year, parking checking, drum is inner to be cleaned, and does not have deposition, and the surface has the black passivation protective membrane to generate.
Embodiment 3
The embodiment of the invention 3 described a kind of without phosphorus water treating agent for boilers, its raw material by following mass percent is processed: gather 140 kilograms of methyl dipropyl olefinic carboxylic acids, 80 kilograms of hexahydroaniline, 30 kilograms of phosphinylidyne two hydrazines, 8 kilograms in sodium hydroxide, 735 kilograms in water.The process step of producing 1 ton is: earlier add 735 kg water to reaction kettle, heating water temperature to 40 ℃ adds 8 kilograms in sodium hydroxide; Gather 140 kilograms of methyl dipropyl olefinic carboxylic acids and encircle 80 kilograms of amine; Stirred 10 minutes, and added 30 kilograms of phosphinylidyne two hydrazines again, stirred 60 minutes; Be cooled to 20 ℃, get final product finished product.
Site of deployment is the high-duty boiler device in a chemical plant, and steam exhaling amount is 600 tons/h, and oiler feed is carried out the secondary desalination through filtration, IX, mixed bed, and pH 6.8, specific conductivity 0.3 μ s/cm, hardness 0 μ mol/L, Na
+18 μ g/L, SiO
210 μ g/L, boiler blowdown rate 3.9%, Na in the steam
+16 μ g/L, SiO
213 μ g/L.Adopt this recombiner, add 15mg/L continuously, feedwater pH is stabilized in 9.6, and boiler blowdown rate reduces to 1.5%, Na in the steam
+8 μ g/L, SiO
26 μ g/L, after three months, parking checking, drum is inner to be cleaned, and does not have deposition, and the surface has the black passivation protective membrane to generate.
Embodiment 4
The embodiment of the invention 4 described a kind of without phosphorus water treating agent for boilers, its raw material by following mass percent is processed: gather 250 kilograms of methyl dipropyl olefinic carboxylic acids, 128 kilograms of morpholines, 23 kilograms of phosphinylidyne two hydrazines, 30 kilograms in sodium hydroxide, 601 kilograms in water.The process step of producing 1 ton is: earlier add 601 kg water to reaction kettle, heating water temperature to 40 ℃ adds 30 kilograms in sodium hydroxide; Gather 128 kilograms of 250 kilograms of methyl dipropyl olefinic carboxylic acids and morpholines; Stirred 10 minutes, and added 23 kilograms of phosphinylidyne two hydrazines again, stirred 60 minutes; Be cooled to 20 ℃, get final product finished product.
Site of deployment is the catalysis medium pressure boiler device of a refinery, and steam exhaling amount is 210 tons/h, and oiler feed is carried out the one-level desalination through filtration, IX, and pH 7.6, specific conductivity 2.2 μ s/cm, hardness 0.8 μ mol/L, Na
+235 μ g/L, SiO
223 μ g/L, boiler blowdown rate 5.6%, Na in the steam
+28 μ g/L, SiO
219 μ g/L.Adopt this recombiner, add 20mg/L continuously, feedwater pH is stabilized in 10.3, and boiler blowdown rate reduces to 2.5%, Na in the steam
+12 μ g/L, SiO
211 μ g/L, after six months, parking checking, drum is inner to be cleaned, and does not have deposition, and the surface has the black passivation protective membrane to generate.
Embodiment 5
The embodiment of the invention 5 described a kind of without phosphorus water treating agent for boilers, its raw material by following mass percent is processed: 206 kilograms of Vestolen PP 7052 carboxylic acids, 143 kilograms of morpholines, 15 kilograms of phosphinylidyne two hydrazines, 950 kilograms in water.The process step of producing 1 ton is: earlier add 950 kg water to reaction kettle, heating water temperature to 40 ℃ adds 206 kilograms of Vestolen PP 7052 carboxylic acids and 143 kilograms of morpholines; Stirred 10 minutes, and added 15 kilograms of phosphinylidyne two hydrazines again, stirred 60 minutes; Be cooled to 20 ℃, get final product finished product.
Site of deployment is the high-duty boiler device of a fertilizer plant, and steam exhaling amount is 220 tons/h, and oiler feed is carried out the secondary desalination through filtration, IX, mixed bed, and pH 7.1, specific conductivity 0.3 μ s/cm, hardness 0 μ mol/L, Na
+15 μ g/L, SiO
212 μ g/L, boiler blowdown rate 4.6%, Na in the steam
+13 μ g/L, SiO
217 μ g/L.Adopt this recombiner, add 15mg/L continuously, feedwater pH is stabilized in 9.7, and boiler blowdown rate reduces to 2.3%, Na in the steam
+5 μ g/L, SiO
27 μ g/L, after 1 year, parking checking, drum is inner to be cleaned, and does not have deposition, and the surface has the black passivation protective membrane to generate.
Embodiment 6
The embodiment of the invention 6 described a kind of without phosphorus water treating agent for boilers, its raw material by following mass percent is processed: 30 kilograms of Vestolen PP 7052 carboxylic acids, encircle 10 kilograms of amine, 25 kilograms of phosphinylidyne two hydrazines, 13 kilograms in sodium hydroxide, 520 kilograms in water.The process step of producing 1 ton is: earlier add 520 kg water to reaction kettle, heating water temperature to 40 ℃ adds 13 kilograms in sodium hydroxide; 30 kilograms of Vestolen PP 7052 carboxylic acids with encircle 10 kilograms of amine, stirred 10 minutes, add 25 kilograms of phosphinylidyne two hydrazines again; Stirred 60 minutes, and be cooled to 20 ℃, get final product finished product.
Site of deployment is the high-duty boiler device in a chemical plant, and steam exhaling amount is 400 tons/h, and oiler feed is carried out the one-level desalination through filtration, IX, and pH 7.5, specific conductivity 3.4 μ s/cm, hardness 1.2 μ mol/L, Na
+125 μ g/L, SiO
230 μ g/L, boiler blowdown rate 4.9%, Na in the steam
+18 μ g/L, SiO
215 μ g/L.Adopt this recombiner, add 20mg/L continuously, feedwater pH is stabilized in 10.8, and boiler blowdown rate reduces to 2.1%, Na in the steam
+9 μ g/L, SiO
27 μ g/L, after six months, parking checking, drum is inner to be cleaned, and does not have deposition, and the surface has the black passivation protective membrane to generate.
Claims (3)
1. a without phosphorus water treating agent for boilers is characterized in that, its raw material by following mass percent is processed: organic carboxyl acid polymkeric substance 3%-25%; Organic amine 1%-15%; Organic oxygen scavenger 1%-5%, sodium hydroxide 0%-3%, water 52%-95%; Wherein, the organic carboxyl acid polymkeric substance is Vestolen PP 7052 carboxylic acid or PS methyl carboxylic acids.
2. without phosphorus water treating agent for boilers as claimed in claim 1 is characterized in that: said organic amine is that morpholine, trolamine, diethylolamine, Monoethanolamine MEA BASF or molecular formula are R
3-NH
2Amine, R wherein
3Be C
1-20Straight chained alkyl, branched-chain alkyl, naphthenic base or aryl.
3. according to claim 1 or claim 2 without phosphorus water treating agent for boilers, it is characterized in that: said organic oxygen scavenger is phosphinylidyne two hydrazines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100004600A CN102030420B (en) | 2011-01-04 | 2011-01-04 | Phosphorus-free boiler water treating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100004600A CN102030420B (en) | 2011-01-04 | 2011-01-04 | Phosphorus-free boiler water treating agent |
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| Publication Number | Publication Date |
|---|---|
| CN102030420A CN102030420A (en) | 2011-04-27 |
| CN102030420B true CN102030420B (en) | 2012-07-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809963B (en) * | 2017-03-06 | 2020-09-22 | 王仲贤 | Phosphorus-free and sodium-free boiler water treatment agent |
| CN106830376B (en) * | 2017-03-06 | 2020-09-22 | 王仲贤 | Phosphorus-free low-sodium boiler water treatment agent |
| CN106865795B (en) * | 2017-03-30 | 2020-10-27 | 天津正达科技有限责任公司 | Preparation method of multi-effect phosphorus-free water treatment agent for boiler |
| CN111233178A (en) * | 2020-02-27 | 2020-06-05 | 威海翔泽新材料科技有限公司 | Phosphorus-free composite cylinder cleaning agent for low-pressure boiler and preparation method thereof |
| CN115072886B (en) * | 2022-08-05 | 2023-07-25 | 河南节源环保科技有限公司 | Energy-saving organic treating agent for boiler water and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5451335A (en) * | 1991-05-16 | 1995-09-19 | H.E.R.C. Products Incorporated | 1:1 soap compositions of acids and amines or ammonia useful in removal and prevention of scale |
| CN1139548C (en) * | 1998-12-29 | 2004-02-25 | 长岭(集团)股份有限公司 | Multifunctional additive for cooling water system |
| CN1654369A (en) * | 2005-01-12 | 2005-08-17 | 华东理工大学 | Phosphorus-free water scale-proof agent |
| CN100509652C (en) * | 2007-06-15 | 2009-07-08 | 武汉金坡化工科技有限公司 | No-phosphate corrosion and scale inhibitor and application thereof |
| CN101607764B (en) * | 2009-07-21 | 2011-05-11 | 武汉理工大学 | Phosphate-free corrosion inhibition antisludging agent and preparation method thereof |
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| TR01 | Transfer of patent right |
Effective date of registration: 20160801 Address after: 113004, building 5, Longfeng Road South, Dongzhou District, Fushun, Liaoning Patentee after: Liaoning low carbon Chemical Co., Ltd. Address before: 213003, No. 185, front street, Tianning District, Jiangsu, Changzhou Patentee before: Wang Zhongxian Patentee before: Shen Hongxin |
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Effective date of registration: 20190417 Address after: 110000 Block 806, Jialong Center B, No. 6 Tiancheng Street, Hunnan District, Shenyang City, Liaoning Province Patentee after: Wang Zhongxian Address before: 113004 Building 5, Longfeng South Road, Dongzhou District, Fushun City, Liaoning Province Patentee before: Liaoning low carbon Chemical Co., Ltd. |
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Effective date of registration: 20220208 Address after: 100043 room 336, floor 3, building 1, Gucheng North Road comprehensive commercial building, Shijingshan District, Beijing Patentee after: Beijing Low Carbon Technology Co.,Ltd. Address before: 110000 Block 806, Jialong Center B, No. 6 Tiancheng Street, Hunnan District, Shenyang City, Liaoning Province Patentee before: Wang Zhongxian |