CN104775124A - Circulating water multifunctional corrosion inhibitor - Google Patents
Circulating water multifunctional corrosion inhibitor Download PDFInfo
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- CN104775124A CN104775124A CN201410846187.7A CN201410846187A CN104775124A CN 104775124 A CN104775124 A CN 104775124A CN 201410846187 A CN201410846187 A CN 201410846187A CN 104775124 A CN104775124 A CN 104775124A
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- circulating water
- multifunctional
- hedp
- water multifunctional
- inhibiter
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention concretely relates to a circulating water multifunctional corrosion inhibitor. The circulating water multifunctional corrosion inhibitor is prepared from sodium humate, HEDP and T-225. Common industrial raw materials are adopted in the invention, so the price is low, and the cost is reduced. The stability, drag reduction, corrosion inhibition, environmental protection and safety of the raw materials are verified, so the circulating water multifunctional corrosion inhibitor is easy to popularize. The circulating water multifunctional corrosion inhibitor has the advantages of scale inhibition, corrosion inhibition and energy saving.
Description
(1) technical field
The present invention relates to inhibiter, be specifically related to a kind of circulating water multifunctional inhibiter.
(2) background technology
Industrial circulation water treatment, in operational process, has the hardwares such as various interchanger, pump, pipeline, because the oxidizing substances such as contained colloid, suspended substance, dissolved salts and gas dissolved in water to it, corrosion and fouling can occur.Energy-saving and emission-reduction task not only can be caused heavy, also safety in production is constituted a threat to simultaneously, be thus subject to common concern in recent years.
Using inhibiter not change corrosive environment and just can obtain good protection against corrosion, fouling effect, is the effective ways of first-selected corrosion control.Its corrosion mitigating effect is often not ideal enough in use for the medicament of single variety, the inhibiter zinc salt that order first two is main and poly-phosphate stable all not in water coolant.Zinc salt is easily separated out when high ph-values thus is lost corrosion inhibiting ability; And poly-phosphate facile hydrolysis generates calcium phosphate scale and lost efficacy.So need to develop composite corrosion inhibitor.Stronger synergy is had, so better with the two composite effect during Treatment of Industrial Water between organic poly-phosphate and organic polycarboxylic acid salt.But these medicaments are expensive, not yet widely use.
Sodium humate is complicated polymeric carboxylic salt mixture, does not have fixing molecular structure and molecular weight, can be water-soluble.It is rich in the organic group such as carboxyl, hydroxyl, there is character and the good dispersivenesses such as ion-exchange, absorption, complexing, and can dispersing metal oxides effectively, thus show good corrosion inhibition, these effects are similar to organic polycarboxylic acid salt functional, and low price.Therefore select Sodium salts humic acids to replace organic polycarboxylic acid salt and other water conditioners composite.
(3) summary of the invention
The object of this invention is to provide a kind of circulating water multifunctional inhibiter, this multi-functional composite scale-inhibiting corrosion inhibitor has inhibition concurrently, scale inhibition and the function such as energy-conservation, be particularly suitable for industrial circulating cooling water to the corrosion of pipe-line equipment and the too high problem being difficult to industrial application of raw materials cost.It is a kind of fine chemicals auxiliary agent that there is anti-drag function in cooling process process and slow down the corrosion to industrial equipments.
The present invention is achieved through the following technical solutions:
A kind of circulating water multifunctional inhibiter, its special character is: make mainly through sodium humate, HEDP, T-225.
Circulating water multifunctional inhibiter of the present invention, the raw material mainly through following parts by weight is made:
Sodium humate 12-20 part, HEDP 2-4 part, T-225 12-18 part, 60 parts, water.
Circulating water multifunctional inhibiter of the present invention, also comprises zinc sulfate, 6 parts, zinc sulfate.
Circulating water multifunctional inhibiter of the present invention, is characterized in that: at least one also comprising BTA, TTA, and the feature according to water quality is selected.
A preparation method for circulating water multifunctional inhibiter described in basis, adds 60mL water NaOH and regulates pH to be 9-11, add Sodium salts humic acids, HEDP, T-225, stir and make it dissolve, obtain multifunctional drag reduction agent in 500mL beaker.
The preparation method of circulating water multifunctional inhibiter of the present invention, adds Sodium salts humic acids, HEDP, T-225, zinc sulfate.
By inhibition and scale inhibition experiment, filter out suitable single dose, and the composite of different ratios is carried out to it, determine best formula and working concentration.
As follows according to the representative formula that technical scheme preferentially filters out:
Formula 1:
Sodium salts humic acids 12%
HEDP 4%
T-225 18%
Zinc sulfate 6%
Water 60%
Formula 2:
Sodium salts humic acids 20%
HEDP 2%
T-225 12%
Zinc sulfate 6%
Water 60%
For industrial water circulation system, composite corrosion inhibitor addition is selected and effect assessment generally adopts rotational viscosimeter to screen.Concrete grammar is the solution of preparation about 0.1% in beaker, gets appropriate above-mentioned solution and joins in viscosity measuring cup, adopts rotational viscosimeter estimated viscosity under rotating speed 750rpm at a constant temperature.Meanwhile, the viscosity under the different flow improver concentration of rotary viscosity design determining differing temps can also be adopted.Thus the concentration of flow improver under filtering out steady temperature.
The invention has the advantages that:
(1) formula adopts common industrial raw material, and low price, decreases cost, and existing inhibiter approximately needs 7500 yuan one ton, and the cost of 1 ton of inhibiter of the present invention only needs 2500 yuan.
(2) stability of recipe ingredient, drag reduction inhibition and Environmental Safety are verified, easily promote.
(3) this product has the advantages such as scale inhibition, inhibition and energy-conservation effect concurrently.
(4) embodiment
Embodiment 1
In 500mL beaker, add 60mL water NaOH regulates pH to be 9-11, adds commercially available industrial Sodium salts humic acids 12g, commercially available industrial HEDP(content 50%) 4mL, commercially available industrial T-225(content 30%) 18mL, stirs and makes it dissolve, obtain multifunctional drag reduction agent.Measuring 1.0mL, 3.0mL, 5.0mL, 7.0mL, 9.0mL is respectively dissolved in 2000mL phreatic water, and at room temperature adopt rotational viscosimeter to evaluate it under rotating speed is 750rpm, experimental result is in table 1.As can be seen from table, flow improver solution viscosity change when more than 5.0mL is less, and being decided to be interpolation concentration is 5.0mL.
Table 1 flow improver concentration is on the impact of solution viscosity
Embodiment 2
In 500mL beaker, add 60mL water NaOH regulates pH to be 9-11, adds commercially available industrial Sodium salts humic acids 20g, commercially available industrial HEDP(content 50%) 2mL, commercially available industrial T-225(content 30%) 12mL, stirs and makes it dissolve, obtain multifunctional drag reduction agent.Measuring 1.0mL, 3.0mL, 5.0mL, 7.0mL, 9.0mL is respectively dissolved in 2000mL phreatic water, and at room temperature adopt rotational viscosimeter to evaluate it under rotating speed is 750rpm, experimental result is in table 2.As can be seen from table, flow improver solution viscosity change when more than 7.0mL is less, and being decided to be interpolation concentration is 7.0mL.
Table 2 flow improver concentration is on the impact of solution viscosity
Embodiment 3
In 500mL beaker, add 60mL water NaOH regulates pH to be 10, adds commercially available industrial Sodium salts humic acids 17g, commercially available industrial HEDP(content 50%) 3mL, commercially available industrial T-225(content 30%) 15mL, stirs and makes it dissolve, obtain multifunctional drag reduction agent.Measuring 1.0mL, 3.0mL, 6.0mL, 7.0mL, 9.0mL is respectively dissolved in 2000mL phreatic water, and at room temperature adopt rotational viscosimeter to evaluate it under rotating speed is 750rpm, experimental result is in table 1.As can be seen from table, flow improver solution viscosity change when more than 6.0mL is less, and being decided to be interpolation concentration is 6.0mL.
Table 3 flow improver concentration is on the impact of solution viscosity
Embodiment 4
In 500mL beaker, add 60mL water NaOH regulates pH to be 9-11, adds commercially available industrial Sodium salts humic acids 12g, commercially available industrial HEDP(content 50%) 4mL, commercially available industrial T-225(content 30%) 18mL, commercial sulfuric acid zinc (content 95%) 6g, stirs and makes it dissolve, obtain multifunctional drag reduction agent.Measuring 1.0mL, 3.0mL, 5.0mL, 7.0mL, 9.0mL is respectively dissolved in 2000mL phreatic water, and at room temperature adopt rotational viscosimeter to evaluate it under rotating speed is 750rpm, experimental result is in table 1.As can be seen from table, flow improver solution viscosity change when more than 5.0mL is less, and being decided to be interpolation concentration is 5.0mL.
Table 4 flow improver concentration is on the impact of solution viscosity
Embodiment 5
In 500mL beaker, add 60mL water NaOH regulates pH to be 9-11, adds commercially available industrial Sodium salts humic acids 20g, commercially available industrial HEDP(content 50%) 2mL, commercially available industrial T-225(content 30%) 12mL, commercial sulfuric acid zinc (content 95%) 6g, stirs and makes it dissolve, obtain multifunctional drag reduction agent.Measuring 1.0mL, 3.0mL, 5.0mL, 7.0mL, 9.0mL is respectively dissolved in 2000mL phreatic water, and at room temperature adopt rotational viscosimeter to evaluate it under rotating speed is 750rpm, experimental result is in table 2.As can be seen from table, flow improver solution viscosity change when more than 7.0mL is less, and being decided to be interpolation concentration is 7.0mL.
Table 5 flow improver concentration is on the impact of solution viscosity
Embodiment 6
In 500mL beaker, add 60mL water NaOH regulates pH to be 10, adds commercially available industrial Sodium salts humic acids 17g, commercially available industrial HEDP(content 50%) 3mL, commercially available industrial T-225(content 30%) 15mL, commercial sulfuric acid zinc (content 95%) 6g, stirs and makes it dissolve, obtain multifunctional drag reduction agent.Measuring 1.0mL, 3.0mL, 6.0mL, 7.0mL, 9.0mL is respectively dissolved in 2000mL phreatic water, and at room temperature adopt rotational viscosimeter to evaluate it under rotating speed is 750rpm, experimental result is in table 1.As can be seen from table, flow improver solution viscosity change when more than 6.0mL is less, and being decided to be interpolation concentration is 6.0mL.
Table 6 flow improver concentration is on the impact of solution viscosity
Embodiment 7
In 500mL beaker, add 60mL water NaOH regulates pH to be 9-11, add commercially available industrial Sodium salts humic acids 20g, commercially available industrial HEDP(content 50%) 2mL, commercially available industrial T-225(content 30%) 12mL, commercial sulfuric acid zinc (content 95%) 6g, BTA1ml, TTA1ml, stir and make it dissolve, obtain multifunctional drag reduction agent.Measuring 1.0mL, 3.0mL, 5.0mL, 7.0mL, 9.0mL is respectively dissolved in 2000mL phreatic water, and at room temperature adopt rotational viscosimeter to evaluate it under rotating speed is 750rpm, experimental result is in table 2.As can be seen from table, flow improver solution viscosity change when more than 7.0mL is less, and being decided to be interpolation concentration is 7.0mL.
Table 7 flow improver concentration is on the impact of solution viscosity
Embodiment 8
In 500mL beaker, add 60mL water NaOH regulates pH to be 9-11, adds commercially available industrial Sodium salts humic acids 20g, commercially available industrial HEDP(content 50%) 2mL, commercially available industrial T-225(content 30%) 12mL, BTA1ml, stirs and makes it dissolve, obtain multifunctional drag reduction agent.Measuring 1.0mL, 3.0mL, 5.0mL, 7.0mL, 9.0mL is respectively dissolved in 2000mL phreatic water, and at room temperature adopt rotational viscosimeter to evaluate it under rotating speed is 750rpm, experimental result is in table 2.As can be seen from table, flow improver solution viscosity change when more than 7.0mL is less, and being decided to be interpolation concentration is 7.0mL.
Table 8 flow improver concentration is on the impact of solution viscosity
Claims (7)
1. a circulating water multifunctional inhibiter, is characterized in that: make mainly through sodium humate, HEDP, T-225.
2. circulating water multifunctional inhibiter according to claim 1, is characterized in that: the raw material mainly through following parts by weight is made:
Sodium humate 12-20 part, HEDP 2-4 part, T-225 12-18 part, 60 parts, water.
3. circulating water multifunctional inhibiter according to claim 1, is characterized in that: also comprise zinc sulfate.
4. circulating water multifunctional inhibiter according to claim 1, is characterized in that: also comprise 6 parts, zinc sulfate.
5. circulating water multifunctional inhibiter according to claim 2, is characterized in that: at least one also comprising BTA, TTA.
6. the preparation method of a circulating water multifunctional inhibiter according to claim 3, it is characterized in that: in 500mL beaker, add 60mL water NaOH regulate pH to be 9-11, add Sodium salts humic acids, HEDP, T-225, stir and make it dissolve, obtain multifunctional drag reduction agent.
7. the preparation method of circulating water multifunctional inhibiter according to claim 3, is characterized in that: add Sodium salts humic acids, HEDP, T-225, zinc sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846187.7A CN104775124A (en) | 2014-12-31 | 2014-12-31 | Circulating water multifunctional corrosion inhibitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846187.7A CN104775124A (en) | 2014-12-31 | 2014-12-31 | Circulating water multifunctional corrosion inhibitor |
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| CN104775124A true CN104775124A (en) | 2015-07-15 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332122A (en) * | 2001-04-29 | 2002-01-23 | 南京师范大学 | Multifunctional central air conditioner water quality maintaining agent and its prepn. |
| CN1603252A (en) * | 2003-09-29 | 2005-04-06 | 中国石油化工股份有限公司北京燕山分公司研究院 | Composite anti-dirty corrosion inhibiting agent and application thereof |
| US20070055022A1 (en) * | 2003-05-06 | 2007-03-08 | Basf Aktiengesellschaft | Polymer for water treatment |
| CN1986456A (en) * | 2005-12-23 | 2007-06-27 | 余新军 | Slow released scale inhibitor and its production process and usage |
| CN101125715A (en) * | 2007-08-16 | 2008-02-20 | 樊桂修 | Composite corrosion-retarding antisludging agent for treating high-concentration multiple circulating water |
-
2014
- 2014-12-31 CN CN201410846187.7A patent/CN104775124A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332122A (en) * | 2001-04-29 | 2002-01-23 | 南京师范大学 | Multifunctional central air conditioner water quality maintaining agent and its prepn. |
| US20070055022A1 (en) * | 2003-05-06 | 2007-03-08 | Basf Aktiengesellschaft | Polymer for water treatment |
| CN1603252A (en) * | 2003-09-29 | 2005-04-06 | 中国石油化工股份有限公司北京燕山分公司研究院 | Composite anti-dirty corrosion inhibiting agent and application thereof |
| CN1986456A (en) * | 2005-12-23 | 2007-06-27 | 余新军 | Slow released scale inhibitor and its production process and usage |
| CN101125715A (en) * | 2007-08-16 | 2008-02-20 | 樊桂修 | Composite corrosion-retarding antisludging agent for treating high-concentration multiple circulating water |
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Application publication date: 20150715 |
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