CN115975608A - Antifreezing solution for temperate climate environment - Google Patents
Antifreezing solution for temperate climate environment Download PDFInfo
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- CN115975608A CN115975608A CN202310015859.9A CN202310015859A CN115975608A CN 115975608 A CN115975608 A CN 115975608A CN 202310015859 A CN202310015859 A CN 202310015859A CN 115975608 A CN115975608 A CN 115975608A
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- Prior art keywords
- percent
- sodium
- antifreeze
- temperate climate
- climate environment
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 44
- 230000002528 anti-freeze Effects 0.000 claims abstract description 42
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011780 sodium chloride Substances 0.000 claims abstract description 22
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 21
- 239000001110 calcium chloride Substances 0.000 claims abstract description 20
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 20
- 235000010288 sodium nitrite Nutrition 0.000 claims abstract description 17
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910021538 borax Inorganic materials 0.000 claims abstract description 16
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000000176 sodium gluconate Substances 0.000 claims abstract description 16
- 235000012207 sodium gluconate Nutrition 0.000 claims abstract description 16
- 229940005574 sodium gluconate Drugs 0.000 claims abstract description 16
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 16
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 16
- 239000001509 sodium citrate Substances 0.000 claims abstract description 15
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims abstract description 15
- 238000007710 freezing Methods 0.000 claims description 21
- 230000008014 freezing Effects 0.000 claims description 18
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 10
- 150000002739 metals Chemical class 0.000 abstract description 6
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 4
- 231100000252 nontoxic Toxicity 0.000 abstract description 4
- 230000003000 nontoxic effect Effects 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 30
- 238000005260 corrosion Methods 0.000 description 8
- 229910001018 Cast iron Inorganic materials 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 230000004580 weight loss Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002455 scale inhibitor Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The invention belongs to the technical field of antifreeze, and particularly relates to antifreeze for a temperate climate environment, which comprises the following components in percentage by weight: 10 to 15 percent of industrial calcium chloride; 1% -5% of sodium chloride; 0.3 to 1 percent of borax; 0.05 to 0.1 percent of disodium hydrogen phosphate; 0.3 to 1 percent of sodium citrate; 0.1 to 0.5 percent of sodium gluconate; 0.5 to 1 percent of sodium nitrite; the balance being water. According to the invention, calcium chloride and sodium chloride with high solubility at low temperature are compounded, so that the balance of cost and efficiency is realized to the greatest extent, and the burden of an enterprise is reduced. The antifreezing solution is nontoxic and harmless, environment-friendly and safe, has low cost, basically does not corrode metals, and is a chemical reagent formula with great economic benefit.
Description
Technical Field
The invention belongs to the technical field of anti-freezing solutions, and particularly relates to an anti-freezing solution for a temperate climate environment.
Background
The regions of China occupying three quarters of the territory area are mainly temperate climate, and most of the historical lowest temperature of the regions is about minus 20 ℃. In these areas, the phenomenon of freezing of the cooling tower often occurs due to the cold weather outside, once freezing often requires long-time cleaning, and the production efficiency of a factory is inevitably greatly affected, most of the antifreeze solutions at present are prepared from organic matters with high concentration and low boiling point, and are easy to volatilize, easy to dissolve an anti-rust paint layer, easy to breed microorganisms after long-time storage, and thus the phenomena of corrosion of microorganisms to metals and the like occur, the antifreeze solutions are difficult to store for a long time and have high relative cost, while inorganic salts can be stored for a long time, and any high-concentration inorganic salt solution can reduce the freezing point, generally speaking, most of the easily soluble substances have low solubility at low temperature, and the phenomena of low solubility at lower temperature exist, so that the easily soluble substances can be crystallized out in circulation to block pipelines, are not suitable for being used as the main components of the antifreeze solution, and the solubility of sodium chloride is low in price, but the solubility of the sodium chloride is low.
In view of the above, the present invention aims to provide an antifreeze solution for use in temperate climatic environments, which can maximally balance cost and efficiency by compounding calcium chloride and sodium chloride having high solubility at low temperature, thereby reducing the burden of enterprises. The antifreeze provided by the invention is non-toxic, harmless, environment-friendly, safe, low in cost and basically free of corrosion to metals, and is a chemical reagent formula with great economic benefits.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art, the antifreeze used in the temperate climate environment is provided, and the balance between cost and efficiency is realized to the maximum extent and the burden of enterprises is reduced by compounding calcium chloride with high solubility at low temperature and sodium chloride. The antifreeze provided by the invention is non-toxic, harmless, environment-friendly, safe, low in cost and basically free of corrosion to metals, and is a chemical reagent formula with great economic benefits.
In order to achieve the purpose, the invention adopts the following technical scheme:
an antifreezing solution for a temperate climate environment comprises the following components in percentage by weight:
10 to 15 percent of industrial calcium chloride;
1% -5% of sodium chloride;
0.3 to 1 percent of borax;
0.05 to 0.1 percent of disodium hydrogen phosphate;
0.3 to 1 percent of sodium citrate;
0.1 to 0.5 percent of sodium gluconate;
0.5 to 1 percent of sodium nitrite;
the balance being water.
Industrial calcium chloride and sodium chloride are main solutes for lowering the freezing point, and borax and disodium hydrogen phosphate can adjust the pH of the solution, so that the solution is kept as weak as possible, and the possibility of metal corrosion is reducedSodium citrate is a complex that effectively complexes Cu in solution 2+ ，Fe 3+ The heavy metal ions are equal to inhibit the electrochemical corrosion of the solution to the metal, sodium gluconate is a scale inhibitor and can inhibit the scaling of Ca ions on the surface of the metal, sodium nitrite is an excellent corrosion inhibitor under an alkaline solution, and sodium nitrite can further reduce the freezing point of a calcium chloride solution.
As an improvement of the antifreeze used in the temperate climate environment, the antifreeze comprises the following components by weight percent:
11% -14% of industrial calcium chloride;
2% -4% of sodium chloride;
0.5 to 0.8 percent of borax;
0.06% -0.09% of disodium hydrogen phosphate;
0.5 to 0.8 percent of sodium citrate;
0.2 to 0.4 percent of sodium gluconate;
0.6 to 0.9 percent of sodium nitrite;
the balance being water.
As an improvement of the antifreeze used in the temperate climate environment, the antifreeze comprises the following components by weight percent:
13% of industrial calcium chloride;
3% of sodium chloride;
0.7 percent of borax;
0.07% of disodium hydrogen phosphate;
0.6 percent of sodium citrate;
0.3 percent of sodium gluconate;
0.7 percent of sodium nitrite;
the balance being water.
As an improvement of the antifreeze used in the temperate climate environment, the water is deionized water or tap water.
As an improvement of the antifreeze used in the temperate climate environment, the density of the antifreeze is 1.1-1.2g/cm 3 。
As an improvement of the antifreeze used in the temperate climate environment, the freezing point of the antifreeze is below minus 20 ℃.
Compared with the prior art, the components of the invention are basically inorganic substances, the salt concentration is higher, the breeding of microorganisms such as bacteria and fungi can be effectively inhibited, and the viscosity is not high, so the invention can be used for a long time after periodically supplementing water after configuration, thereby realizing the cyclic utilization, having no sewage discharge and realizing the environmental protection, low price and practicability. The density of the aqueous solution of the invention is 1.1-1.2g/cm 3 The viscosity is low, a common water pump can be used sufficiently, no extra burden is caused, the water solubility of all substances is good, the condition that the water pump is blocked by a large amount of crystal precipitation at low temperature can not occur, the antifreeze basically has no corrosion to metals, the weight loss rate of cast iron is lower than five ten thousandths in 100 hours at normal temperature, the weight loss rate of cast iron coated with an anti-corrosion paint layer is lower than one thousandth at normal temperature, and the addition of the scale inhibitor effectively prevents the occurrence of the conditions that calcium salt scales and the circulation efficiency is influenced.
The freezing point of the invention is below minus 20 ℃, which is enough to meet the requirements of most of freezing prevention, deicing and the like under the climatic conditions of temperate zone. The invention can be applied to the aspects of cooling tower internal circulating liquid, metal surface deicing and the like.
In a word, the calcium chloride and the sodium chloride with high solubility at low temperature are compounded, so that the balance of cost and efficiency is realized to the greatest extent, and the burden of an enterprise is reduced. The antifreezing solution is nontoxic and harmless, environment-friendly and safe, has low cost, basically does not corrode metals, and is a chemical reagent formula with great economic benefit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides an antifreezing solution for a temperate climate environmentThe preparation method comprises the following steps: preparing a one-liter solution from 100g of industrial calcium chloride, 20g of sodium chloride, 5g of borax, 1g of disodium hydrogen phosphate, 5g of sodium citrate, 2g of sodium gluconate, 5g of sodium nitrite and 962g of deionized water, fully and uniformly stirring, and evenly distributing the solution in two black closed plastic bottles A and B. The density of the antifreeze is 1.13g/cm 3 . The freezing point of the antifreeze is below minus 20 ℃.
Preparing about four pieces of cast iron with the same material, wherein the number of the cast iron is A1, A2, B1 and B2 in sequence, coating an anti-corrosion paint layer on the A2 and the B2, weighing the accurate weight of the four pieces of cast iron by a ten thousand graded balance, and recording. A1, A2 were then added to the A beaker and B1, B2 were added to the B beaker. And (3) placing the beaker A in an oven at 15 ℃, placing the beaker B in a refrigerator freezer at the lowest temperature (20 ℃ below zero), placing the beaker A and the beaker B for 100 hours, taking out the beaker, and keeping the beaker B in a solution state without icing. And drying the four pieces of cast iron, and comparing the weight difference before and after comparison, wherein the weight lost of the four pieces of cast iron is A1, B1, A2 and B2 from large to small. Wherein the weight loss of A1 is about five ten-thousandths and the weight loss of A2 is about one ten-thousandth.
Example 2
The embodiment provides an antifreezing solution for a temperate climate environment, and a preparation method thereof comprises the following steps: 200kg of calcium chloride, 100kg of sodium chloride, 10kg of borax, 1kg of disodium hydrogen phosphate, 5kg of sodium citrate, 4kg of sodium gluconate, 10kg of sodium nitrite and 1920kg of deionized water are prepared, about 2 tons of solution is fully and uniformly stirred at normal temperature, one half of the solution is used as internal circulating liquid of a cooling tower, and the other half of the solution is used as supplementary liquid, the cost of all the solutions is about 1300 yuan, the anti-freezing solution has good running condition in the factory, and the phenomenon of freezing when tap water is used is avoided. The density of the antifreeze is 1.19g/cm 3 . The freezing point of the antifreeze is below minus 20 ℃.
Example 3
The embodiment provides an antifreezing solution for temperate climate, which comprises the following components in percentage by weight:
13% of industrial calcium chloride;
3% of sodium chloride;
0.7 percent of borax;
0.07% of disodium hydrogen phosphate;
0.6 percent of sodium citrate;
0.3 percent of sodium gluconate;
0.7 percent of sodium nitrite;
the balance being water.
The density of the antifreeze is 1.14g/cm 3 . The freezing point of the antifreeze is below minus 20 ℃.
Example 4
The embodiment provides an antifreezing solution for a temperate climate environment, which comprises the following components in percentage by weight:
11% of industrial calcium chloride;
4% of sodium chloride;
0.5 percent of borax;
0.07% of disodium hydrogen phosphate;
0.7 percent of sodium citrate;
0.4 percent of sodium gluconate;
0.8 percent of sodium nitrite;
the balance being water.
The density of the antifreeze is 1.15g/cm 3 . The freezing point of the antifreeze is below minus 20 ℃.
Example 5
The embodiment provides an antifreezing solution for a temperate climate environment, which comprises the following components in percentage by weight:
14% of industrial calcium chloride;
2.5 percent of sodium chloride;
0.55 percent of borax;
disodium hydrogen phosphate 0.075%;
0.65% of sodium citrate;
0.25 percent of sodium gluconate;
0.75 percent of sodium nitrite;
the balance being water.
The density of the antifreeze is 1.16g/cm 3 . The freezing point of the antifreeze is below minus 20 ℃.
Example 6
The embodiment provides an antifreezing solution for a temperate climate environment, which comprises the following components in percentage by weight:
12.5 percent of industrial calcium chloride;
3.5 percent of sodium chloride;
0.55 percent of borax;
0.65% of disodium hydrogen phosphate;
0.85% of sodium citrate;
0.45 percent of sodium gluconate;
0.85 percent of sodium nitrite;
the balance being water.
The density of the antifreeze is 1.16g/cm 3 . The freezing point of the antifreeze is below minus 20 ℃.
Example 7
The embodiment provides an antifreezing solution for a temperate climate environment, which comprises the following components in percentage by weight:
14% of industrial calcium chloride;
4% of sodium chloride;
0.4 percent of borax;
0.077% of disodium hydrogen phosphate;
0.56% of sodium citrate;
0.36 percent of sodium gluconate;
0.78% of sodium nitrite;
the balance being water. The density of the antifreeze is 1.17g/cm 3 . The freezing point of the antifreeze is below minus 20 ℃.
Example 8
The embodiment provides an antifreezing solution for a temperate climate environment, which comprises the following components in percentage by weight:
11.5 percent of industrial calcium chloride;
1.5 percent of sodium chloride;
0.45 percent of borax;
0.65% of disodium hydrogen phosphate;
0.45 percent of sodium citrate;
0.35 percent of sodium gluconate;
0.85 percent of sodium nitrite;
the balance being water.
The balance being water. The density of the antifreeze is 1.13g/cm 3 . The freezing point of the antifreeze is below minus 20 ℃.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (6)
1. An antifreezing solution for a temperate climate environment is characterized by comprising the following components in percentage by weight:
10 to 15 percent of industrial calcium chloride;
1% -5% of sodium chloride;
0.3 to 1 percent of borax;
0.05 to 0.1 percent of disodium hydrogen phosphate;
0.3 to 1 percent of sodium citrate;
0.1 to 0.5 percent of sodium gluconate;
0.5 to 1 percent of sodium nitrite;
the balance being water.
2. The antifreeze solution for a temperate climate environment according to claim 1, comprising the following components in percentage by weight:
11% -14% of industrial calcium chloride;
2% -4% of sodium chloride;
0.5 to 0.8 percent of borax;
0.06% -0.09% of disodium hydrogen phosphate;
0.5 to 0.8 percent of sodium citrate;
0.2 to 0.4 percent of sodium gluconate;
0.6 to 0.9 percent of sodium nitrite;
the balance being water.
3. The antifreeze solution for a temperate climate environment according to claim 2, comprising the following components in percentage by weight:
13% of industrial calcium chloride;
3% of sodium chloride;
0.7 percent of borax;
0.07% of disodium hydrogen phosphate;
0.6 percent of sodium citrate;
0.3 percent of sodium gluconate;
0.7 percent of sodium nitrite;
the balance being water.
4. The antifreeze solution for use in a temperate climate environment according to any one of claims 1 to 3, wherein: the water is deionized water or tap water.
5. The antifreeze solution for use in a temperate climate environment according to any one of claims 1 to 3, wherein: the density of the antifreeze is 1.1-1.2g/cm 3 。
6. The antifreeze solution for use in a temperate climate environment according to any one of claims 1 to 3, wherein: the freezing point of the antifreeze is below minus 20 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310015859.9A CN115975608A (en) | 2023-01-06 | 2023-01-06 | Antifreezing solution for temperate climate environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310015859.9A CN115975608A (en) | 2023-01-06 | 2023-01-06 | Antifreezing solution for temperate climate environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115975608A true CN115975608A (en) | 2023-04-18 |
Family
ID=85962874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310015859.9A Pending CN115975608A (en) | 2023-01-06 | 2023-01-06 | Antifreezing solution for temperate climate environment |
Country Status (1)
| Country | Link |
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| CN (1) | CN115975608A (en) |
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| US20040164270A1 (en) * | 2002-12-13 | 2004-08-26 | Novak Stephen E. | Alkaline earth or alkali metal salts for antifreeze, deicing, and freeze control |
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Application publication date: 20230418 |