CN1552792A - Vehicle inorganic salt cooling agent - Google Patents
Vehicle inorganic salt cooling agent Download PDFInfo
- Publication number
- CN1552792A CN1552792A CNA2003101050917A CN200310105091A CN1552792A CN 1552792 A CN1552792 A CN 1552792A CN A2003101050917 A CNA2003101050917 A CN A2003101050917A CN 200310105091 A CN200310105091 A CN 200310105091A CN 1552792 A CN1552792 A CN 1552792A
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- Prior art keywords
- solution
- inorganic salt
- automobiles
- nitrite
- cooling fluid
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- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
An inorganic salt as the cooling liquid of car is prepared through adding chemically pure dihydrated calcium chloride, sodium nitrite, barium nitrate, sodium molybdate and benzotrizole to purified water. Its advantages are low ice point (-40- -55 deg.C), low corrosion, and high safety.
Description
A kind of inorganic salt coolant for automobiles starting material wide material sources, the transportation storage security, processing technology thereof is simple, cheap, nontoxic, the scope of application is extensive, and possess the characteristics of novelty, creativeness and practicality, compliance with environmental protection requirements simultaneously now is described as follows particular content:
One, technical field: belong to the surface chemistry category, be organic and inorganic compounding salt technical field
Two, background technology
1, to inventing the understanding of " inorganic salt coolant for automobiles "
(1) the selected main raw material of a kind of inorganic salt coolant for automobiles has: pure water, chemical pure Calcium dichloride dihydrate, Sodium Nitrite, barium nitrite, Sodium orthomolybdate, benzotriazole.These industrial chemicals are studied repeatedly through optimum combination, and after a large amount of laboratory and application test, the conclusion that draws is that the present invention has the effect of " four is anti-", promptly prevents boiling, antifreeze, antirust, rot-resistant function, and the scope that its is used is very extensive.
(2) selected its performance separately of industrial chemicals among the present invention
The chemical pure Calcium dichloride dihydrate can reduce the freezing point of water, and the freezing point of the aqueous solution of its 38%-50% is-40 ℃～-55 ℃, and its boiling point is 105 ℃, can be used as the antifreezing agent of radiator and various mechanical means circulating water systems.Benzotriazole can improve the heat conduction velocity of cooling fluid and metal in cooling fluid, and prevents the corrosion of cooling fluid to copper and copper alloy.Barium nitrite can effectively reduce the SO in the cooling fluid
4 2-Ion.Sodium Nitrite, Sodium orthomolybdate can effectively prevent the corrosion of cooling fluid to ferrous metal, are good inhibiter.
(3) the present invention has wide range of applications, and it is applicable to various Motor vehicles and is furnished with the water tank of various mechanical means of water tank antifreeze.
2, the present invention consults and quote as proof relevant technical background data (six classes):
(1) Higher Education Publishing House institution of higher education's teaching material " general chemistry " of publishing
Chapter 1: first segment: the state of aggregation P3-P8 of material
Second joint: the gas law P8-P12
The 3rd joint: the general character P13-P26 of dilute solution
Chapter 4: the 4th joint: metallic corrosion and prevent P160-P166
Chapter 7: the 3rd joint: the physical properties of mineral compound and crystalline structure P278-P289
The 4th joint: the Property P 289-P309 of mineral compound
(2) " Rust of Rebar in Concrete and the protection " of Chinese industrial press publication
Chapter 1: first segment: the theoretical emphasis of metallic corrosion, P4-P10
Second joint: the reason P10-P16 of concrete protection mechanism and steel bar corrosion
The 3rd joint: steel bar corrosion causes the example P26-P27 of reinforced concrete structure failure
Chapter 2: the 4th joint: the surrounding medium characteristics influence P29-P42
The 5th joint: morphological element's condition of surface of steel and stress intensity influence P42-P73
(3) " the chemical industry dictionary " of chemical engineering industry press publication
(4) " Organic Chemicals " of Chemical Industry Press's publication
A: fatty compounds: A530 vulkacit H P433-P435
A602 thiocarbamide P500-P502
A632 alkane an aromatic plant metioned in ancient books barium sulfonate P526-P527
B: alicyclic compound reaches derivative altogether, B036 dicyclohexyl amine nitrite P557
C: aromatics C260 aniline P281-P282
(5) " corrosion and protection in the chemical industry " of chemical engineering industry press publication
Chapter 1: first segment: corrosive harm P1-P3 in corrosion and the chemical industry
Second joint: chemical industry corrosive characteristics and present situation P4-P9
The 3rd joint: domestic and international chemical anticorrosion progress P10-P14
The 4th joint: the strategy of sustainable development and corrosive are controlled comprehensively
Green Chemistry is applied to anticorrosion technique P34-P35
Chapter 3: second joint: the main protection against corrosion means P69-P74 during soda ash is produced
Chapter 4: the corrosion and protection in the chlorine industry
First segment: the corrodible property P87-P88 in the chlorine industry
Second joint: the corrosion and protection P88-P93 of salt brine solution
Chapter 5: the corrosion and protection in the chemical fertilizers production
The 7th joint: the corrosion and protection P180-P188 in the production of phosphate fertilizer
The 8th joint: the corrosion and protection P188-P195 during potash fertilizer is produced
Chapter 7: the corrosion and protection in the pesticide producing
The 6th joint: the means of defence P320-P322 of cement surface
Chapter 9: the corrosion and protection of chemical building thing and structures
First segment: corrosion condition P439-P441
Second joint: the analysis of Corrosion Reason P441-P448
The 3rd joint: protection against corrosion principle of design: P449-P450
The 5th joint: anticorrosive measure P451-P454
The 6th joint: reinforce recovery technique P455-P460
(6) " Elementary Chemical Industry " of Chemical Industry Press's publication
Chapter 11: freezing, the 5th joint: refrigerant and cold carrier P374
3, the purpose of invention " a kind of inorganic salt coolant for automobiles ":
(1) it can make the running effectively in the winter time of various Motor vehicles and mechanical means, prevents that water tank cooling system such as motor vehicle from freezing.
(2) it can improve the efficiency of operation of motor vehicle, reduces its operation cost.
(3) it has nontoxic characteristics, so it can reduce the pollution to the city, compliance with environmental protection requirements.
(4) its cooling antifreezing effect is remarkable, can prolong the work-ing life of various Motor vehicles and equipment.
Three, summary of the invention
1, a kind of inorganic salt coolant for automobiles is by pure water (H
2O), chemical pure Calcium dichloride dihydrate (CaCl
22H
2O), Sodium Nitrite (NaNO
2), barium nitrite [Ba (NO
2)
2], Sodium orthomolybdate (Na
2MoO
4), benzotriazole (C
6H
5N
3) form.The chemical pure Calcium dichloride dihydrate can reduce the freezing point of water, and the freezing point of the aqueous solution of its 38%-50% is-40 ℃～-55 ℃, and its boiling point is 105 ℃, can be used as the antifreezing agent of radiator and various mechanical means water circulation systems.Benzotriazole can improve the heat conduction velocity of cooling fluid and metal in cooling fluid, and prevents the corrosion of cooling fluid to copper and copper alloy.Barium nitrite can reduce the SO in the cooling fluid effectively
4 2-Ion.Sodium Nitrite, Sodium orthomolybdate can prevent the corrosion of cooling fluid to ferrous metal effectively, are good inhibiter.
The prescription of every 100kg steam car cooling fluid is:
Pure water: 100kg
Chemical pure Calcium dichloride dihydrate: 62～100kg
Sodium Nitrite: 0.1～5kg
Barium nitrite: 0.1～3kg
Sodium orthomolybdate: 0.1～5kg
Benzotriazole: 0.1～3kg
2, the beneficial effect compared with background technology of the present invention:
(1) the present invention have anti-boil, antifreeze, antirust, rot-resistant function.
(2) the present invention can prevent the corrosion to ferrous metal, tin, copper and copper alloy, aluminium and aluminium alloy effectively.
(3) material source of the present invention is extensive, the transportation storage security, and processing and fabricating is simple, and is cheap, easy to use.
(4) the present invention nontoxic, harmless, have no side effect compliance with environmental protection requirements.
(5) the present invention is non-inflammable explosive article, and is safe and reliable.
Claims (3)
1, the total essential features of inorganic salt coolant for automobiles and prior art is:
The processing and fabricating of automobile cooling belongs to chemical category, is organic and inorganic compounding salt technical field, and its core is that the boiling point of solution is risen, and zero pour descends.Some character of solution depends primarily on the concentration of contained solute wherein and the character of nonsolute particle itself, and its character is colligative property of solution.Because the affiliation that adds of solute is risen the boiling point of solution, zero pour descends, and the vapor pressure lowering degree of solution depends on the concentration of solution, and the vapor pressure lowering of solution is the basic reason that boiling point rises and zero pour descends.
When the aqueous solution reaches zero pour, begin to separate out ice in the solution, along with separating out of ice, the concentration of solution constantly increases, and zero pour constantly reduces, and the concentration of last solution reaches the saturated solution concentration of this solute, and ice and solute are separated out together.Though continue cooling solution this moment, the temperature of solidifying remains unchanged, and till solution all solidified, the principle of Here it is automobile cooling processing and fabricating also was the total technical characterictic of automobile cooling.
2, a kind of inorganic salt coolant for automobiles is different from the technical characterictic of prior art and is:
(1) zero pour of water only depends on the vapour pressure of pure ice and water.Volatile matter such as ethylene glycol, ethanol can make the vapour pressure of solution increase, so that reduces its boiling point.And the organic and awkward volatile matter of inorganic compounding salt such as chemical pure Calcium dichloride dihydrate, Sodium Nitrite, barium nitrite, Sodium orthomolybdate, benzotriazole, the automobile cooling of its processing and fabricating has the elevation of boiling point, depression of the freezing point and antirust, rot-resistant characteristics.
(2) solute is that ethylene glycol, ethanol etc. all belong to inflammable explosive article in the existing automobile cooling, and automobile coolings organic and inorganic compounding salt processing and fabricating such as chemical pure Calcium dichloride dihydrate, Sodium Nitrite, barium nitrite, Sodium orthomolybdate, benzotriazole are non-inflammable explosive article, and are safe and reliable.
(3) ethylene glycol of existing automobile cooling use belongs to toxic substance, and the advantages of nontoxic raw materials that the present invention selects for use, harmless, compliance with environmental protection requirements.
(4) inorganic salt coolant for automobiles starting material wide material sources, the transportation storage security, processing technology thereof is simple, and is cheap.
(5) inorganic salt coolant for automobiles has wide range of applications, and it mainly is applicable to various Motor vehicles and is furnished with the water tank of various mechanical means of water tank antifreeze.
(6) inorganic salt coolant for automobiles can prevent the corrosion to ferrous metal, tin, copper and copper alloy, aluminium and aluminium alloy effectively.
3, (1) a kind of inorganic salt coolant for automobiles is by pure water (H
2O), chemical pure Calcium dichloride dihydrate (CaCl
22H
2O), Sodium Nitrite (NaNO
2), barium nitrite [Ba (NO
2)
2], Sodium orthomolybdate (Na
2MoO
4), benzotriazole (C
6H
5N
3) form.The chemical pure Calcium dichloride dihydrate can reduce the freezing point of water, and the freezing point of the aqueous solution of its 38%-50% is-40 ℃～-55 ℃, and its boiling point is 105 ℃, can be used as the antifreezing agent of radiator and various mechanical means water circulation systems.Benzotriazole can improve the heat conduction velocity of cooling fluid and metal in cooling fluid, and prevents the corrosion of cooling fluid to copper and copper alloy.Barium nitrite can reduce the SO in the cooling fluid effectively
4 2-Ion.Sodium Nitrite, Sodium orthomolybdate can prevent the corrosion of cooling fluid to ferrous metal effectively, are good inhibiter.
(2) prescription of every 100kg steam car cooling fluid is:
Pure water: 100kg
Chemical pure Calcium dichloride dihydrate: 62～100kg
Sodium Nitrite: 0.1～5kg
Barium nitrite: 0.1～3kg
Sodium orthomolybdate: 0.1～5kg
Benzotriazole: 0.1～3kg
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101050917A CN1552792A (en) | 2003-11-13 | 2003-11-13 | Vehicle inorganic salt cooling agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101050917A CN1552792A (en) | 2003-11-13 | 2003-11-13 | Vehicle inorganic salt cooling agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1552792A true CN1552792A (en) | 2004-12-08 |
Family
ID=34333616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003101050917A Pending CN1552792A (en) | 2003-11-13 | 2003-11-13 | Vehicle inorganic salt cooling agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1552792A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153993A (en) * | 2011-02-14 | 2011-08-17 | 北京化工大学 | Antifreeze solution for stacking and transporting bulk particle goods and preparation method thereof |
-
2003
- 2003-11-13 CN CNA2003101050917A patent/CN1552792A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153993A (en) * | 2011-02-14 | 2011-08-17 | 北京化工大学 | Antifreeze solution for stacking and transporting bulk particle goods and preparation method thereof |
| CN102153993B (en) * | 2011-02-14 | 2013-07-17 | 北京化工大学 | Antifreeze solution for stacking and transporting bulk particle goods and preparation method thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |