CN104129861A - Circulating cooling water corrosion-inhibition scale inhibitor - Google Patents
Circulating cooling water corrosion-inhibition scale inhibitor Download PDFInfo
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- CN104129861A CN104129861A CN201410333615.6A CN201410333615A CN104129861A CN 104129861 A CN104129861 A CN 104129861A CN 201410333615 A CN201410333615 A CN 201410333615A CN 104129861 A CN104129861 A CN 104129861A
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Abstract
The invention discloses a circulating cooling water corrosion-inhibition scale inhibitor comprising the raw materials of, by mass, 4-7 parts of sodium polyaspartate, 7-10 parts of polyepoxy sodium succinate, 15-30 parts of hydroxylethylidene diphosphonic acid, 5-15 parts of 2-phosphonic butane-1,2,4-tricarboxylic acid, 2-3 parts of benzotriazole, 4-6 parts of zinc sulfate, and 30-50 parts of water. According to the invention, sodium polyaspartate and polyepoxy sodium succinic acid are combined with organic phosphine hydroxylethylidene diphosphonic acid and 2-phosphonic butane-1,2,4-tricarboxylic acid; and benzotriazole, zinc sulfate and the like are used in auxiliary, such that the corrosion-inhibition scale inhibitor is prepared. The corrosion-inhibition scale inhibitor is used in circulating cooling water according to 0.1% of the mass of the circulating cooling water. With the corrosion-inhibition scale inhibitor, water scale formation in an industrial system can be inhibited, and an equipment corrosion-inhibition protection effect can be achieved.
Description
Technical field
The present invention relates to corrosion inhibiting and descaling agent technical field, espespecially a kind of recirculated cooling water corrosion inhibiting and descaling agent.
Background technology
Develop rapidly along with industrial, industrial water consumption increases day by day, and wherein water coolant accounts for 60～70% of process water, water coolant in use constantly circulates and concentrates, content of mineral substances in water also can constantly increase, corrosion and fouling to equipment constantly aggravate, in order to reduce equipment corrosion, improve plant factor, improve the repeating utilization factor of recirculated cooling water, saving water resource, the energy, guarantee normally carrying out of production and life, need in recirculated cooling water, add chemical agent, with the incrustation scale generation in prevention industrial system and the inhibition protection of equipment.
Summary of the invention
A kind of recirculated cooling water corrosion inhibiting and descaling agent of the present invention; it is characterized in that; adopt poly (sodium aspartate), poly-epoxy succinic acid and organic phosphine hydroxy ethylidene-diphosphate, 2-phosphonic acid butane-1; 2; 4-tricarboxylic acid coordinates, and is aided with benzotriazole and zinc sulfate etc., makes corrosion inhibiting and descaling agent; for recirculated cooling water, the object of the incrustation scale generation in realization prevention industrial system and the inhibition protection of equipment.
To achieve these goals, technical solution of the present invention is: a kind of recirculated cooling water corrosion inhibiting and descaling agent comprises the raw material of following mass parts: 4～7 parts of poly (sodium aspartate)s, 7～10 parts of polyepoxy sodium succinates, 15～30 parts of hydroxy ethylidene-diphosphates, 2-phosphonic acid butane-1,5～15 parts of 2,4-tricarboxylic acid, 2～3 parts of benzotriazoles, 4～6 parts, zinc sulfate, 30～50 parts, water;
Further, described polyepoxy sodium succinate is that molecular-weight average is 400～1500 polyepoxy sodium succinate;
Described poly (sodium aspartate) is that relative molecular weight is 1000～5000 poly (sodium aspartate).
The preparation method of a kind of recirculated cooling water corrosion inhibiting and descaling agent of the present invention is: be the water of 30～50 parts to adding mass parts in the container with agitator, open and stir, adding successively mass parts is the poly (sodium aspartate) of 4～7 parts, mass parts is the polyepoxy sodium succinate of 7～10 parts, mass parts is the hydroxy ethylidene-diphosphate of 15～30 parts, mass parts is 5～15 parts, 2-phosphonic acid butane-1, 2, 4-tricarboxylic acid, mass parts is the benzotriazole of 2～3 parts, mass parts is the zinc sulfate of 4～6 parts, carry out dispersed with stirring 0.5 hour with 100 revs/min of rotating speeds, stop stirring, discharging obtains described recirculated cooling water corrosion inhibiting and descaling agent.
Advantage and disadvantage of the present invention is: adopt poly (sodium aspartate), poly-epoxy succinic acid and organic phosphine hydroxy ethylidene-diphosphate, 2-phosphonic acid butane-1; 2; 4-tricarboxylic acid coordinates; be aided with benzotriazole and zinc sulfate etc.; make corrosion inhibiting and descaling agent; for recirculated cooling water, reach that the incrustation scale stoping in industrial system generates and the effect of the inhibition protection of equipment according to the thousandth of circulating cooling quality.
Embodiment
Embodiment 1
A kind of recirculated cooling water corrosion inhibiting and descaling agent comprises the raw material of following mass parts: 4 parts of poly (sodium aspartate)s, 10 parts of polyepoxy sodium succinates, 15 parts of hydroxy ethylidene-diphosphates, 2-phosphonic acid butane-1,15 parts of 2,4-tricarboxylic acid, 2 parts of benzotriazoles, 6 parts, zinc sulfate, 30 parts, water;
Its preparation method is: be the water of 3000 grams to adding mass parts in the container with agitator, open and stir, adding successively mass parts is the poly (sodium aspartate) of 400 grams, the polyepoxy sodium succinate that mass parts is 1000 grams, the hydroxy ethylidene-diphosphate that mass parts is 1500 grams, 2-phosphonic acid butane-1 that mass parts is 1500 grams, 2,4-tricarboxylic acid, mass parts are the benzotriazole of 200 grams, the zinc sulfate that mass parts is 600 grams, carry out dispersed with stirring 0.5 hour with 100 revs/min of rotating speeds, stop stirring, discharging obtains described recirculated cooling water corrosion inhibiting and descaling agent.
Embodiment 2
A kind of recirculated cooling water corrosion inhibiting and descaling agent comprises the raw material of following mass parts: 7 parts of poly (sodium aspartate)s, 7 parts of polyepoxy sodium succinates, 30 parts of hydroxy ethylidene-diphosphates, 2-phosphonic acid butane-1,5 parts of 2,4-tricarboxylic acid, 3 parts of benzotriazoles, 4 parts, zinc sulfate, 50 parts, water;
Its preparation method is: be the water of 5000 grams to adding mass parts in the container with agitator, open and stir, adding successively mass parts is the poly (sodium aspartate) of 700 grams, the polyepoxy sodium succinate that mass parts is 700 grams, the hydroxy ethylidene-diphosphate that mass parts is 3000 grams, 2-phosphonic acid butane-1 that mass parts is 500 grams, 2,4-tricarboxylic acid, mass parts are the benzotriazole of 300 grams, the zinc sulfate that mass parts is 400 grams, carry out dispersed with stirring 0.5 hour with 100 revs/min of rotating speeds, stop stirring, discharging obtains described recirculated cooling water corrosion inhibiting and descaling agent.
Embodiment 3
A kind of recirculated cooling water corrosion inhibiting and descaling agent comprises the raw material of following mass parts: 5 parts of poly (sodium aspartate)s, 8 parts of polyepoxy sodium succinates, 25 parts of hydroxy ethylidene-diphosphates, 2-phosphonic acid butane-1,10 parts of 2,4-tricarboxylic acid, 2.5 parts of benzotriazoles, 5 parts, zinc sulfate, 40 parts, water;
Its preparation method is: be the water of 4000 grams to adding mass parts in the container with agitator, open and stir, adding successively mass parts is the poly (sodium aspartate) of 500 grams, the polyepoxy sodium succinate that mass parts is 800 grams, the hydroxy ethylidene-diphosphate that mass parts is 2500 grams, 2-phosphonic acid butane-1 that mass parts is 1000 grams, 2,4-tricarboxylic acid, mass parts are the benzotriazole of 250 grams, the zinc sulfate that mass parts is 500 grams, carry out dispersed with stirring 0.5 hour with 100 revs/min of rotating speeds, stop stirring, discharging obtains described recirculated cooling water corrosion inhibiting and descaling agent.
The above; embodiment is only that the preferred embodiment of the present invention is described; not scope of the present invention is limited; under the prerequisite of spirit that does not depart from the technology of the present invention; various distortion and improvement that this area engineering technical personnel make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (2)
1. a recirculated cooling water corrosion inhibiting and descaling agent, it is characterized in that: described a kind of recirculated cooling water corrosion inhibiting and descaling agent comprises the raw material of following mass parts: 4～7 parts of poly (sodium aspartate)s, 7～10 parts of polyepoxy sodium succinates, 15～30 parts of hydroxy ethylidene-diphosphates, 2-phosphonic acid butane-1,5～15 parts of 2,4-tricarboxylic acid, 2～3 parts of benzotriazoles, 4～6 parts, zinc sulfate, 30～50 parts, water;
Its preparation method is: be the water of 30～50 parts to adding mass parts in the container with agitator, open and stir, adding successively mass parts is the poly (sodium aspartate) of 4～7 parts, mass parts is the polyepoxy sodium succinate of 7～10 parts, mass parts is the hydroxy ethylidene-diphosphate of 15～30 parts, mass parts is 5～15 parts, 2-phosphonic acid butane-1, 2, 4-tricarboxylic acid, mass parts is the benzotriazole of 2～3 parts, mass parts is the zinc sulfate of 4～6 parts, carry out dispersed with stirring 0.5 hour with 100 revs/min of rotating speeds, stop stirring, discharging obtains described recirculated cooling water corrosion inhibiting and descaling agent.
2. a kind of recirculated cooling water corrosion inhibiting and descaling agent according to claim 1, is characterized in that: described polyepoxy sodium succinate is that molecular-weight average is 400～1500 polyepoxy sodium succinate; Described poly (sodium aspartate) is that relative molecular weight is 1000～5000 poly (sodium aspartate).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333615.6A CN104129861A (en) | 2014-07-15 | 2014-07-15 | Circulating cooling water corrosion-inhibition scale inhibitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333615.6A CN104129861A (en) | 2014-07-15 | 2014-07-15 | Circulating cooling water corrosion-inhibition scale inhibitor |
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| CN104129861A true CN104129861A (en) | 2014-11-05 |
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| CN201410333615.6A Pending CN104129861A (en) | 2014-07-15 | 2014-07-15 | Circulating cooling water corrosion-inhibition scale inhibitor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623821A (en) * | 2015-12-18 | 2016-06-01 | 常熟市劲力工具有限公司 | Grinding liquid for slice milling cutter processing |
| CN105819579A (en) * | 2016-05-31 | 2016-08-03 | 无锡锡能锅炉有限公司 | Treatment agent for biomass boiler water |
| CN106011818A (en) * | 2016-04-22 | 2016-10-12 | 宁波高新区夏远科技有限公司 | Pre-filming agent for pre-filming treatment of circulating cooling water system |
-
2014
- 2014-07-15 CN CN201410333615.6A patent/CN104129861A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623821A (en) * | 2015-12-18 | 2016-06-01 | 常熟市劲力工具有限公司 | Grinding liquid for slice milling cutter processing |
| CN106011818A (en) * | 2016-04-22 | 2016-10-12 | 宁波高新区夏远科技有限公司 | Pre-filming agent for pre-filming treatment of circulating cooling water system |
| CN105819579A (en) * | 2016-05-31 | 2016-08-03 | 无锡锡能锅炉有限公司 | Treatment agent for biomass boiler water |
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Application publication date: 20141105 |