CN106430640A - Supramolecular corrosion and scale inhibitor for refrigerant water of central air conditioner and use method of supramolecular corrosion and scale inhibitor - Google Patents
Supramolecular corrosion and scale inhibitor for refrigerant water of central air conditioner and use method of supramolecular corrosion and scale inhibitor Download PDFInfo
- Publication number
- CN106430640A CN106430640A CN201610722791.8A CN201610722791A CN106430640A CN 106430640 A CN106430640 A CN 106430640A CN 201610722791 A CN201610722791 A CN 201610722791A CN 106430640 A CN106430640 A CN 106430640A
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- China
- Prior art keywords
- central air
- water
- corrosion
- supermolecule
- corrosion inhibiting
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
- C02F5/125—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen combined with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
Abstract
The invention discloses a supramolecular corrosion and scale inhibitor for refrigerant water of a central air conditioner and a use method of the supramolecular corrosion and scale inhibitor. The supramolecular corrosion and scale inhibitor is prepared from the following components by weight percent: 4-6% of fatty alcohol polyoxyethylene ether, 5-10% of dodecyl dimethyl benzyl ammonium chloride, 4-6% of benzotriazole, 4-5% of cyanoacetic acid, 1-1.5% of linear alkyl sodium sulfonate, 2-3% of glycol, 1-1.5% of pyridoxine hydrochloride, 2-2.5% of disodium hydrogen phosphate and the balance of water. By adding the supramolecular corrosion and scale inhibitor into heating supply refrigerant water, the cleaning efficiency and effect of a central air conditioner refrigerant water system are improved.
Description
Technical field
The present invention relates to chemical technology field, more particularly, to a kind of Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent and its
Using method.
Background technology
At present, central air-conditioning application is more and more universal, and its chilled-water system operation conditions is largely fixed refrigeration, cause
Thermal effect.Central air-conditioner refrigerant water system mainly includes cooling water system and chilled-water system, and wherein chilled-water system is even more straight
Connect impact air-conditioning using effect.Chilled-water system is to do coolant media with water and air carries out the closed system of energy exchange,
Although contact less with the external world, it is provided with expansion tank in the highest point of whole system, such refrigerant aqueous medium is still and air
Contact, made dissolved oxygen and some nutrients enter chilled-water system, add the original dissolved oxygen of chilled water, produce oxygen corrosion
And electrochemical corrosion, the dirt deposition that corrosion produces, not only impact heat transfer is moreover it is possible to accelerate oxygen concentration difference electrochemical corrosion, serious
The perforation that equipment can be caused is revealed.China Patent No. 201610010685.7 discloses a kind of central air-conditioning energy care agent, and
Disclose the concrete component of care agent, wherein, fouling clearing up to be mixed in chilled water flow process, the high-precision microlith in care agent
Ink powder is used for lubricating the fouling in chilled water, it is to avoid flowing is not smooth.But, in actual use, due to adopting fine
Graphite powder cannot be dissolved in water, and high-precision fine graphite powders easily cover in the metal surface of the chilled-water system being formed with fouling, fouling
Covered by high-precision fine graphite powders and cause care agent cannot fast and effectively clear up fouling, thus cannot be in the gold of chilled-water system
Metal surface forms complete supermolecule diaphragm, leads to the cleaning efficiency of Central air-conditioner refrigerant water system and effect poor.How
Designing a kind of Central air-conditioner refrigerant water system clean efficiency and the more preferable cleaning agent of effect is that technology to be solved by this invention is asked
Topic.
Content of the invention
The technical problem to be solved is：There is provided a kind of Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent and its
Using method, by adding supermolecule corrosion inhibiting and descaling agent in chilled water, realizes improving Central air-conditioner refrigerant water system clean effect
Rate and effect.
The technical scheme that the present invention provides is that a kind of supermolecule corrosion inhibiting and descaling agent, including following components in percentage by weight：
AEO 4%～6%, dodecyl benzyl dimethyl ammonium chloride 5%～10%, phenylpropyl alcohol triazole 4%-6%, cyano group second
Acid 4%～5%, linear alkylsulfonic acids sodium salt 1%～1.5%, ethylene glycol 2% ~ 3%, puridoxine hydrochloride 1% ~ 1.5%, disodium hydrogen phosphate 2%
～2.5%, balance of water.
Further, also include：Many polyethylene glycol oxides nonyl phenolic ether 3%～6%, para-totuidine 4%～5%, ethylenediamine triacetic acid
1%-1.5%.
Further, also include：Silicon potassium acid 2%-3%, polyacrylic acid 2%-2.5%, dodecyl benzyl dimethyl ammonium chloride
Disodium hydrogen phosphate 0.5%-1%, dihydroxy ethyl high-carbon fatty acid amide 0.5%-1%, alkyl benzene sulphonate 0.3%-0.8%, dimethyl benzene sulphur
Sour sodium 1.2%-1.5%.
Further, also include：Tetrapotassium pyrophosphate 3%-5%.
The present invention also provides a kind of using method of Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent, described central air-conditioning
Chilled water supermolecule corrosion inhibiting and descaling agent adopts above-mentioned Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent；Wherein, in central air-conditioning
Chilled water adding amount be L；Using method is：To in the chilled water of central air-conditioning, directly throw in the central hollow of 0.1L adding amount
Adjust chilled water supermolecule corrosion inhibiting and descaling agent, after central air-conditioning runs 3-5 days, observe from the blow-off pipe water sampling of central air-conditioning, such as
Fruit chilled water becomes dark-brown or black, then chilled water emptying, the chilled water more renewing simultaneously adds 0.05L to central air-conditioning again
The Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent of adding amount, if chilled water is light color or light brown, is not required to change water and adds
Medicine, central air-conditioning directly runs.
Compared with prior art, advantages of the present invention and good effect are：The Central air-conditioner refrigerant water that the present invention provides surpasses
Molecule corrosion inhibiting and descaling agent, by adding AEO, dodecyl dimethyl benzyl in supermolecule corrosion inhibiting and descaling agent
Ammonium chloride can clean the iron rust of metal surface, and carries out preliminary flushing to indissoluble dirt, and phenylpropyl alcohol triazole to carry out inhibition true
Protect cleaning agent Corrosion Protection, metal is not damaged in itself；Importantly, phosphorus is coordinated using ethylene glycol and puridoxine hydrochloride
Substituting insoluble graphite powder, disodium hydrogen phosphate is dissolved in water and does not dissolve in alcohol sour disodium hydrogen, and ethylene glycol and puridoxine hydrochloride
The liquid with formation with lubrication soluble in water, the fouling being mixed in chilled water can smoothly be flowed；Cyanoacetic acid has
There is catalytic action, accelerate the components such as linear alkylsulfonic acids sodium salt to coordinate assembling, be combined into complicated organized condensate, in metal
Surface forms one layer of Supermolecular film and reaches the effect delaying fouling, by adding supermolecule corrosion-mitigation scale-inhibition in heat supply chilled water
Agent, realizes improving Central air-conditioner refrigerant water system clean efficiency and effect, reaches zero burn into zero fouling, the effect of zero blowdown.
Specific embodiment
The present invention provides a kind of supermolecule corrosion inhibiting and descaling agent for Central air-conditioner refrigerant water, this supermolecule corrosion-mitigation scale-inhibition
Agent includes following components in percentage by weight：AEO 4%～6%, dodecyl benzyl dimethyl ammonium chloride 5%
～10%, phenylpropyl alcohol triazole 4%-6%, cyanoacetic acid 4%～5%, linear alkylsulfonic acids sodium salt 1%～1.5%, ethylene glycol 2% ~ 3%, salt
Sour pyridoxol 1% ~ 1.5%, disodium hydrogen phosphate 2%～2.5%, balance of water.
Specifically, dodecyl dimethyl benzyl is coordinated by the AEO in supermolecule corrosion inhibiting and descaling agent
Ammonium chloride can clean the iron rust of metal surface, incrustation scale is adsorbed and decomposes, and carries out preliminary flushing to indissoluble dirt, and
Phenylpropyl alcohol triazole carries out inhibition guarantees cleaning agent Corrosion Protection, metal is not damaged in itself；Meanwhile, coordinate cyanoacetic acid
Catalytic action under, can speed up the components such as phosphorus linear alkylsulfonic acids sodium salt and coordinate assembling, then by various for metal surface iron rust, water
After the dirt removals such as dirt, dirt, form one layer of Supermolecular film in metal surface, reach the effect of corrosion-mitigation scale-inhibition.Importantly, adopting
Spent glycol and puridoxine hydrochloride coordinate disodium hydrogen phosphate to substitute insoluble graphite powder, and disodium hydrogen phosphate is dissolved in water and does not dissolve in
Alcohol, and ethylene glycol and the puridoxine hydrochloride liquid with formation with lubrication soluble in water, are mixed in the fouling in chilled water
Can smoothly flow.
Further, supermolecule corrosion inhibiting and descaling agent also includes：Many polyethylene glycol oxides nonyl phenolic ether 3%～6%, para-totuidine 4%～
5%th, ethylenediamine triacetic acid 1%-1.5%.Specifically, many polyethylene glycol oxides nonyl phenolic ether of increase can have after reacting with para-totuidine
Standby good chemical stability, has preferable cooperative effect, has excellent chela to many metal ions such as calcium, magnesium, copper etc.
Conjunction ability, improves the gentle erosion ability of its ant-scaling performance；And the enclosed that increased ethylenediamine triacetic acid is formed to heat supply chilled water
Circulation stream in dirt adsorbed, bondd and decomposed, thus without waste discharge additionally it is possible to stop water in dissolved oxygen with
Metal surface contact corrosion metal, reaches relevant device zero burn into zero fouling and the purpose of zero blowdown.Preferably, supermolecule delays
Erosion antisludging agent also includes：Silicon potassium acid 2%-3%, polyacrylic acid 2%-2.5%, dodecyl benzyl dimethyl ammonium chloride disodium hydrogen phosphate
0.5%-1%, dihydroxy ethyl high-carbon fatty acid amide 0.5%-1%, alkyl benzene sulphonate 0.3%-0.8%, acid dimethyl sodium 1.2%-
1.5%.Specifically, the acid of silicon potassium and polyacrylic acid can form stable compound with the metal ion in chilled water, to the carbon in water
Sour calcium and calcium hydroxide have excellent decomposition, such that it is able on more effective decomposing metal surface formed fouling, meanwhile,
It is also beneficial to slow down the formation of fouling；And the high carbocyclic aliphatic of dodecyl benzyl dimethyl ammonium chloride disodium hydrogen phosphate, dihydroxy ethyl
Acid amides, alkyl benzene sulphonate, acid dimethyl sodium are further played the effect that component is worked in coordination with, and are more beneficial for realizing supermolecule
Self assembly, meets and reaches, in metal surface one layer of Supermolecular film of formation, the effect delaying fouling under hot environment.In addition, supermolecule
Corrosion inhibiting and descaling agent also includes：Tetrapotassium pyrophosphate 3%-5%, tetrapotassium pyrophosphate can be dirty with softening of water, raising cleansing power, removing
Dirt, with AEO and dodecyl benzyl dimethyl ammonium chloride synergy, realizes more comprehensively and effectively clear
Except fouling.
Finally it should be noted that：Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to the foregoing embodiments the present invention is described in detail, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (5)
1. a kind of Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent is it is characterised in that include following components in percentage by weight：
AEO 4%～6%, dodecyl benzyl dimethyl ammonium chloride 5%～10%, phenylpropyl alcohol triazole 4%-6%,
Cyanoacetic acid 4%～5%, linear alkylsulfonic acids sodium salt 1%～1.5%, ethylene glycol 2%～3%, puridoxine hydrochloride 1%～
1.5%th, disodium hydrogen phosphate 2%～2.5%, balance of water.
2. Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent according to claim 1 is it is characterised in that also include：Many
Polyethylene glycol oxide nonyl phenolic ether 3%～6%, para-totuidine 4%～5%, ethylenediamine triacetic acid 1%-1.5%.
3. Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent according to claim 1 is it is characterised in that also include：Silicon
Potassium acid 2%-3%, polyacrylic acid 2%-2.5%, dodecyl benzyl dimethyl ammonium chloride disodium hydrogen phosphate 0.5%-1%, two
Ethoxy high-carbon fatty acid amide 0.5%-1%, alkyl benzene sulphonate 0.3%-0.8%, acid dimethyl sodium 1.2%-1.5%.
4. Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent according to claim 1 is it is characterised in that also include：Burnt
Phosphoric acid four potassium 3%-5%.
5. a kind of using method of Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent is it is characterised in that described central air-conditioning is cold
Matchmaker's water supermolecule corrosion inhibiting and descaling agent adopts described Central air-conditioner refrigerant water supermolecule corrosion-mitigation scale-inhibition as arbitrary in claim 1-4
Agent；Wherein, the adding amount of the chilled water in central air-conditioning is L；Using method is：Directly throw in in the chilled water of central air-conditioning
The Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent of 0.1L adding amount, after central air-conditioning runs 3-5 days, from the row of central air-conditioning
Dirty pipe water sampling is observed, if chilled water becomes dark-brown or black, central air-conditioning is chilled water emptying, the refrigerant more renewing
Water simultaneously adds the Central air-conditioner refrigerant water supermolecule corrosion inhibiting and descaling agent of 0.05L adding amount, again if chilled water is light color or shallow
Brown, then be not required to change water dosing, central air-conditioning directly runs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610722791.8A CN106430640B (en) | 2016-08-15 | 2016-08-15 | Supermolecule corrosion and scale inhibitor for refrigerant water of central air conditioner and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610722791.8A CN106430640B (en) | 2016-08-15 | 2016-08-15 | Supermolecule corrosion and scale inhibitor for refrigerant water of central air conditioner and use method thereof |
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| CN106430640A true CN106430640A (en) | 2017-02-22 |
| CN106430640B CN106430640B (en) | 2019-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113652210A (en) * | 2021-06-28 | 2021-11-16 | 中国船舶重工集团公司第七一八研究所 | Low-conductivity long-acting cooling liquid and preparation method thereof |
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| JP4936772B2 (en) * | 2006-04-10 | 2012-05-23 | 三菱電機株式会社 | Water treatment method |
| CN101086065A (en) * | 2007-06-13 | 2007-12-12 | 长沙市永峰水质处理服务有限公司 | Descaling agent for cleaning central air conditioner main machine |
| CN102583786A (en) * | 2011-01-24 | 2012-07-18 | 童建国 | NJTJ series central air conditioner water treatment disinfectant formula |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113652210A (en) * | 2021-06-28 | 2021-11-16 | 中国船舶重工集团公司第七一八研究所 | Low-conductivity long-acting cooling liquid and preparation method thereof |
| CN113652210B (en) * | 2021-06-28 | 2024-04-02 | 中国船舶重工集团公司第七一八研究所 | Low-conductivity long-acting cooling liquid and preparation method thereof |
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| CN106430640B (en) | 2019-12-24 |
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Effective date of registration: 20191121 Address after: Chengyang Qingda Industrial Park, Yuyuan Road six 266111 Shandong city of Qingdao province No. 2 Shandong green clean energy environmental protection Co. Ltd. Applicant after: Shandong green clean energy environmental protection Co. Ltd. Address before: Chengyang Qingda Industrial Park, Yuyuan Road six 266111 Shandong city of Qingdao province No. 2 Shandong green clean energy environmental protection Co. Ltd. Applicant before: Jin Baoquan |
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