CN105016493A - Scale and corrosion inhibitor and application of scale and corrosion inhibitor in salt draining closed conduit of saline and alkaline land - Google Patents
Scale and corrosion inhibitor and application of scale and corrosion inhibitor in salt draining closed conduit of saline and alkaline land Download PDFInfo
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Abstract
The invention provides a scale and corrosion inhibitor and application of the scale and corrosion inhibitor in a salt draining closed conduit of a saline and alkaline land. The scale and corrosion inhibitor comprises the components in parts by weight: 26-29 parts of ursolic acid, 15-18 parts of rosmarinic acid, 4-6 parts of trifluoroacetic acid, 6-8 parts of bis-1,6-hexylidenetriamine pentamethylene sodium phosphonate, 3-5 parts of thionothiolic acid, 1-3 parts of mannitol, 8-12 parts of polyepoxysuccinic acid, 6-9 parts of sodium benzotriazole, 2-4 parts of propyl hydroxybenzoate and 50-60 parts of water, wherein the purity of ursolic acid is 98%; the purity of rosmarinic acid is 95%; and the solid content of sodium benzotriazole is 40%. By using the scale and corrosion inhibitor provided by the invention, the corrosion rate, which is 0.0006-0.0009 mm/a, of the salt draining closed conduit is obviously reduced, and the service life of the salt draining closed conduit can be prolonged by 10 years.
Description
Technical field
The invention belongs to salt discharge hidden pipe technical field, relate to a kind of anti-incrustation corrosion inhibitor, be specifically related to a kind of anti-incrustation corrosion inhibitor and the application in saltings salt discharge hidden pipe thereof.
Background technology
Existing salt discharge hidden pipe equipment, mainly changes soil water and salt transport rule by controlling groundwater level and efficiency utilization precipitation or irrigating water quality, thus affects Distribution of soil salinity rule and soil characteristic, reaches the effect in improvement saltings.
In saltings, saltiness is high, infiltrating the salt solution easy fouling and clogging hidden pipe micropore of salt discharge hidden pipe, also accelerating the corrosion of hidden pipe, in order to prevent above-mentioned phenomenon simultaneously.Saltings salt discharge hidden pipe takes conventional anti-incrustation corrosion inhibitor and carries out de-sludging inhibition.
Usually use inorganic polyphosphate, organic phosphoric acid, phosphorus carboxylic acid, organophosphorous ester, poly carboxylic acid etc. as anti-incrustation corrosion inhibitor at present.
The anti-incrustation corrosion inhibitor of prior art has following defect and deficiency: the anti-incrustation corrosion inhibitor of prior art slows down the erosion rate DeGrain of salt discharge hidden pipe; The scale inhibition performance of anti-incrustation corrosion inhibitor in salt discharge hidden pipe of prior art is low; Saline and alkaline incrustation scale makes salt discharge hidden pipe not long for work-ing life.
Summary of the invention
The present invention is directed to above deficiency, a kind of anti-incrustation corrosion inhibitor and the application in saltings salt discharge hidden pipe thereof be provided, realize following goal of the invention:
1, reduce the erosion rate of salt discharge hidden pipe, make erosion rate be 0.0006-0.0009mm/a;
2, improve the scale inhibition performance of anti-incrustation corrosion inhibitor in salt discharge hidden pipe, make scale inhibition performance be 97.3-98.6%;
3, the work-ing life of salt discharge hidden pipe is extended.
For solving the problems of the technologies described above, by the following technical solutions:
A kind of anti-incrustation corrosion inhibitor, is characterized in that: described anti-incrustation corrosion inhibitor comprises following component: the acid of urson, Alecrim, trifluoroacetic acid, two 1,6 hexamethylene triamine five methylenephosphonic acid sodium, thionothiolic acid.
Below the further improvement to technique scheme:
Described anti-incrustation corrosion inhibitor also comprises following component: N.F,USP MANNITOL, poly-epoxy succinic acid, benzotriazole sodium, nipasol, water.
The composition weight proportioning of described anti-incrustation corrosion inhibitor is: urson 26-29 part, Alecrim acid 15-18 part, trifluoroacetic acid 4-6 part, two 1,6 hexamethylene triamine five methylenephosphonic acid sodium 6-8 parts, thionothiolic acid 3-5 part, N.F,USP MANNITOL 1-3 part, poly-epoxy succinic acid 8-12 part, benzotriazole sodium 6-9 part, nipasol 2-4 part, water 50-60 part.
The composition weight proportioning of described anti-incrustation corrosion inhibitor is: the acid of urson 28 parts, Alecrim 17 parts, trifluoroacetic acid 6 parts, two 1,66 parts, hexamethylene triamine five methylenephosphonic acid sodium, thionothiolic acid 5 parts, 1 part, N.F,USP MANNITOL, poly-epoxy succinic acid 11 parts, 8 parts, benzotriazole sodium, nipasol 4 parts, 55 parts, water.
Described urson purity is 98%.
Described Alecrim acid purity is 95%.
Described benzotriazole sodium solids content is 40%.
Described application: during application, adds anti-incrustation corrosion inhibitor in hidden pipe together with fresh water, and every 1 ton of fresh water adds 10g anti-incrustation corrosion inhibitor.
After described anti-incrustation corrosion inhibitor and fresh water add hidden pipe, keep 6-8 hour.
The described application cycle is monthly 1 time.
The present invention compared with prior art, has following beneficial effect:
1, use anti-incrustation corrosion inhibitor of the present invention, the erosion rate of salt discharge hidden pipe obviously reduces, and erosion rate is 0.0006-0.0009mm/a;
2, use anti-incrustation corrosion inhibitor of the present invention, scale inhibition effect is obvious, and scale inhibition performance is 97.3-98.6%, and calcium carbonate scale inhibition performance is 98.8-99.6%, and magnesiumcarbonate scale inhibition performance is 98.5-99.8%, and Calucium Silicate powder scale inhibition performance is 99.2-100%, and ferric oxide scale inhibition performance is 99.4-100%;
3, use anti-incrustation corrosion inhibitor of the present invention, the 10 years work-ing life of salt discharge hidden pipe can be extended.
Embodiment
embodiment 1 one kinds of anti-incrustation corrosion inhibitors
The weight proportion of each component of anti-incrustation corrosion inhibitor is:
The acid of urson 26 parts, Alecrim 15 parts, trifluoroacetic acid 4 parts, two 1,66 parts, hexamethylene triamine five methylenephosphonic acid sodium, thionothiolic acid 3 parts, 1 part, N.F,USP MANNITOL, poly-epoxy succinic acid 8 parts, 6 parts, benzotriazole sodium, nipasol 2 parts, 50 parts, water.
Described urson purity: 98%;
Described Alecrim acid purity: 95%;
Described benzotriazole sodium solids content: 40%;
Described water is distilled water.
embodiment 2 one kinds of anti-incrustation corrosion inhibitors
The weight proportion of each component of anti-incrustation corrosion inhibitor is:
The acid of urson 27 parts, Alecrim 16 parts, trifluoroacetic acid 5 parts, two 1,67 parts, hexamethylene triamine five methylenephosphonic acid sodium, thionothiolic acid 4 parts, 2 parts, N.F,USP MANNITOL, poly-epoxy succinic acid 8 parts, 7 parts, benzotriazole sodium, nipasol 3 parts, 55 parts, water.
Described urson purity: 98%;
Described Alecrim acid purity: 95%;
Described benzotriazole sodium solids content: 40%;
Described water is distilled water.
embodiment 3 one kinds of anti-incrustation corrosion inhibitors
The weight proportion of each component of anti-incrustation corrosion inhibitor is:
The acid of urson 28 parts, Alecrim 17 parts, trifluoroacetic acid 6 parts, two 1,66 parts, hexamethylene triamine five methylenephosphonic acid sodium, thionothiolic acid 5 parts, 1 part, N.F,USP MANNITOL, poly-epoxy succinic acid 11 parts, 8 parts, benzotriazole sodium, nipasol 4 parts, 55 parts, water.
Described urson purity: 98%;
Described Alecrim acid purity: 95%;
Described benzotriazole sodium solids content: 40%;
Described water is distilled water.
embodiment 4 one kinds of anti-incrustation corrosion inhibitors
The weight proportion of each component of anti-incrustation corrosion inhibitor is:
The acid of urson 29 parts, Alecrim 18 parts, trifluoroacetic acid 6 parts, two 1,68 parts, hexamethylene triamine five methylenephosphonic acid sodium, thionothiolic acid 5 parts, 3 parts, N.F,USP MANNITOL, poly-epoxy succinic acid 12 parts, 9 parts, benzotriazole sodium, nipasol 4 parts, 60 parts, water.
Described urson purity: 98%;
Described Alecrim acid purity: 95%;
Described benzotriazole sodium solids content: 40%;
Described water is distilled water.
the preparation method of embodiment 5 one kinds of anti-incrustation corrosion inhibitors
Step 1, take each component by the weight proportion of embodiment 1-4, for subsequent use.
Step 2, urson, Alecrim acid are joined in the water weighed up, under 20-70 DEG C of condition, stir, dissolve completely.
Step 3, by trifluoroacetic acid, two 1,6 hexamethylene triamine five methylenephosphonic acid sodium, thionothiolic acid mix, rotating speed 40rpm, stir 12-15 minute, for subsequent use.
Step 4, mixture step 3 obtained join in the obtained solution of step 2.
Step 5, by N.F,USP MANNITOL, poly-epoxy succinic acid, benzotriazole sodium, nipasol mixing, be heated to 70-80 DEG C, be added drop-wise in the solution of step 4 while hot, limit edged stirs, and stirring velocity 80rpm, after adding, leave standstill, be cooled to 20-28 DEG C, obtained finished product anti-incrustation corrosion inhibitor.
the application of embodiment 6 one kinds of anti-incrustation corrosion inhibitors in saltings salt discharge hidden pipe
The saline and alkaline plot selected: saline soil silty sand silt clay, below 60cm is the cement particle of the mud exquisiteness taking marine sediments as dominant shape one-tenth, and soil is divided into master with sodium chloride salt, lays the soil layer of underground pipeline: saliferous is higher than 4.0%.
Water quality detection: salinity 10-15g/L in step 1, salt discharge hidden pipe, pH value 8.5-8.8, magnesium ion content is 980mg/L, calcium ion content is 760mg/L, sulfate ion content is 1200mg/L, and barium ion content is 680mg/L, and carbanion content is 1600mg/L, silicate ion content 260 mg/L, iron concentration 380 mg/L.
The application of step 2, anti-incrustation corrosion inhibitor
When using anti-incrustation corrosion inhibitor, opened from interface by salt discharge hidden pipe, added in hidden pipe by anti-incrustation corrosion inhibitor together with fresh water, every 1 ton of fresh water adds 10g anti-incrustation corrosion inhibitor;
Anti-incrustation corrosion inhibitor and fresh water will add continuously, and to hidden pipe, saline-alkali water is discharged, and when being full of the fresh water being dissolved with anti-incrustation corrosion inhibitor in pipe, closing duct water outlet, stops adding water, closing duct water-in.
Keep 6-8 hour, water is discharged;
Anti-incrustation corrosion inhibitor life cycle is monthly 1 time.
result measures
Measure anticorrosion-antiscaling property:
Measure the anticorrosion-antiscaling property of the anti-incrustation corrosion inhibitor of embodiment 1-4, measurement result is in table 1;
Table 1
From table 1, embodiment 3 is preferred embodiment.
Through test, use anti-incrustation corrosion inhibitor of the present invention, the erosion rate of salt discharge hidden pipe obviously reduces, erosion rate is 0.0006-0.0009mm/a, and scale inhibition effect is obvious, and scale inhibition performance is 97.3-98.6%, calcium carbonate scale inhibition performance is 98.8-99.6%, magnesiumcarbonate scale inhibition performance is 98.5-99.8%, and Calucium Silicate powder scale inhibition performance is 99.2-100%, and ferric oxide scale inhibition performance is 99.4-100%.
Through test, use anti-incrustation corrosion inhibitor of the present invention, the 10 years work-ing life of salt discharge hidden pipe can be extended.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an anti-incrustation corrosion inhibitor, is characterized in that: described anti-incrustation corrosion inhibitor comprises following component: the acid of urson, Alecrim, trifluoroacetic acid, two 1,6 hexamethylene triamine five methylenephosphonic acid sodium, thionothiolic acid.
2. a kind of anti-incrustation corrosion inhibitor according to claim 1, is characterized in that: described anti-incrustation corrosion inhibitor also comprises following component: N.F,USP MANNITOL, poly-epoxy succinic acid, benzotriazole sodium, nipasol, water.
3. a kind of anti-incrustation corrosion inhibitor according to claim 1, it is characterized in that: the composition weight proportioning of described anti-incrustation corrosion inhibitor is: urson 26-29 part, Alecrim acid 15-18 part, trifluoroacetic acid 4-6 part, two 1,6 hexamethylene triamine five methylenephosphonic acid sodium 6-8 parts, thionothiolic acid 3-5 part, N.F,USP MANNITOL 1-3 part, poly-epoxy succinic acid 8-12 part, benzotriazole sodium 6-9 part, nipasol 2-4 part, water 50-60 part.
4. a kind of anti-incrustation corrosion inhibitor according to claim 3, it is characterized in that: the composition weight proportioning of described anti-incrustation corrosion inhibitor is: the acid of urson 28 parts, Alecrim 17 parts, trifluoroacetic acid 6 parts, two 1,66 parts, hexamethylene triamine five methylenephosphonic acid sodium, thionothiolic acid 5 parts, 1 part, N.F,USP MANNITOL, poly-epoxy succinic acid 11 parts, 8 parts, benzotriazole sodium, nipasol 4 parts, 55 parts, water.
5. a kind of anti-incrustation corrosion inhibitor according to claim 3, is characterized in that: described urson purity is 98%.
6. a kind of anti-incrustation corrosion inhibitor according to claim 3, is characterized in that: described Alecrim acid purity is 95%.
7. a kind of anti-incrustation corrosion inhibitor according to claim 3, is characterized in that: described benzotriazole sodium solids content is 40%.
8. anti-incrustation corrosion inhibitor and the application in saltings salt discharge hidden pipe thereof, is characterized in that: described application: during application, added in hidden pipe by anti-incrustation corrosion inhibitor together with fresh water, and every 1 ton of fresh water adds 10g anti-incrustation corrosion inhibitor.
9. a kind of anti-incrustation corrosion inhibitor according to claim 8 and the application in saltings salt discharge hidden pipe thereof, is characterized in that: after described anti-incrustation corrosion inhibitor and fresh water add hidden pipe, keeps 6-8 hour.
10. a kind of anti-incrustation corrosion inhibitor according to claim 8 and the application in saltings salt discharge hidden pipe thereof, is characterized in that: the described application cycle is monthly 1 time.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105039995A (en) * | 2015-07-09 | 2015-11-11 | 潍坊友容实业有限公司 | Scale and corrosion inhibitor special for saline-alkali soil salt drainage concealed conduit and preparation method thereof |
| CN106117815A (en) * | 2016-07-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of salt discharge hidden pipe containing Tissuemat E and preparation method thereof |
| CN106117751A (en) * | 2016-07-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of salt discharge hidden pipe containing oligochitosan and preparation method thereof |
| CN106186378A (en) * | 2016-07-30 | 2016-12-07 | 山东胜伟园林科技有限公司 | The application in salt discharge hidden pipe of a kind of antisludging agent containing poly-epoxy succinic acid |
| CN106242095A (en) * | 2016-07-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | The application in salt discharge hidden pipe of the antisludging agent of a kind of good antimicrobial effect |
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| CN106348953A (en) * | 2016-08-24 | 2017-01-25 | 山东胜伟园林科技有限公司 | Multifunctional soil improving agent for secondary saline-alkali soil conditioning and preparation method thereof |
| CN106348959A (en) * | 2016-08-29 | 2017-01-25 | 山东胜伟园林科技有限公司 | Bio-organic compound fertilizer and its manufacturing method used to treat secondary saline-alkali land and produced by food waste |
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| CN106431617A (en) * | 2016-08-30 | 2017-02-22 | 山东胜伟园林科技有限公司 | Water-soluble secondary salinization soil amendment and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105039995A (en) * | 2015-07-09 | 2015-11-11 | 潍坊友容实业有限公司 | Scale and corrosion inhibitor special for saline-alkali soil salt drainage concealed conduit and preparation method thereof |
| CN106117815A (en) * | 2016-07-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of salt discharge hidden pipe containing Tissuemat E and preparation method thereof |
| CN106117751A (en) * | 2016-07-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of salt discharge hidden pipe containing oligochitosan and preparation method thereof |
| CN106186378A (en) * | 2016-07-30 | 2016-12-07 | 山东胜伟园林科技有限公司 | The application in salt discharge hidden pipe of a kind of antisludging agent containing poly-epoxy succinic acid |
| CN106242095A (en) * | 2016-07-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | The application in salt discharge hidden pipe of the antisludging agent of a kind of good antimicrobial effect |
| CN106348953A (en) * | 2016-08-24 | 2017-01-25 | 山东胜伟园林科技有限公司 | Multifunctional soil improving agent for secondary saline-alkali soil conditioning and preparation method thereof |
| CN106242918A (en) * | 2016-08-29 | 2016-12-21 | 山东胜伟园林科技有限公司 | A kind of green improving fertilizer with mud as matrix and preparation method thereof |
| CN106348959A (en) * | 2016-08-29 | 2017-01-25 | 山东胜伟园林科技有限公司 | Bio-organic compound fertilizer and its manufacturing method used to treat secondary saline-alkali land and produced by food waste |
| CN106380329A (en) * | 2016-08-29 | 2017-02-08 | 山东胜伟园林科技有限公司 | Organic fertilizer containing Chinese herbal medicine and suitable for treatment of saline-alkali land in irrigation area of Yellow River and preparation method thereof |
| CN106479508A (en) * | 2016-08-29 | 2017-03-08 | 山东胜伟园林科技有限公司 | A kind of spread fertilizer over the fields type modifying agent and preparation method thereof for secondary salinization of land soil |
| CN106431617A (en) * | 2016-08-30 | 2017-02-22 | 山东胜伟园林科技有限公司 | Water-soluble secondary salinization soil amendment and preparation method thereof |
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