CN110982594A - Special low-temperature lubricating grease for coal mine and preparation method thereof - Google Patents
Special low-temperature lubricating grease for coal mine and preparation method thereof Download PDFInfo
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- CN110982594A CN110982594A CN201911218777.4A CN201911218777A CN110982594A CN 110982594 A CN110982594 A CN 110982594A CN 201911218777 A CN201911218777 A CN 201911218777A CN 110982594 A CN110982594 A CN 110982594A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/102—Silicates
- C10M2201/103—Clays; Mica; Zeolites
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
- C10M2207/1265—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic used as thickening agent
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
- C10M2207/1285—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof used as thickening agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a special lubricating grease for low temperature of a coal mine, which comprises the following components in parts by weight: 50-65 parts of base oil, 8-12 parts of thickening agent, 3-8 parts of organic bentonite, 4-8 parts of extreme pressure antiwear agent, 4-6 parts of antirust agent and 3-5 parts of glycerol, wherein the base oil is one or a mixture of more than two of PAO synthetic oil, naphthenic oil and ester oil, and the thickening agent is a mixture of fatty acid calcium and tetradecyl hydroxy stearic acid. The lubricating grease can meet the use requirements of various coal mine equipment under different low-temperature conditions, and the service life of equipment parts is guaranteed. The invention also provides a preparation method of the lubricating grease, wherein the organic bentonite is added, so that the low temperature property, the water resistance, the rust resistance, the extreme pressure property and the like of the lubricating grease are greatly improved. The preparation method has reasonable formula, ensures the compatibility of various additives in the lubricating grease structure, furthest ensures the quality of the lubricating grease, saves the production cost and reduces the pollution to the environment.
Description
Technical Field
The invention belongs to the technical field of lubricating grease, and particularly relates to special low-temperature lubricating grease for a coal mine and a preparation method thereof.
Background
Lubrication is one of the important means for maintaining and repairing the components of the equipment, and aims to reduce frictional resistance, reduce wear and prolong the service life of the components. However, in the coal mine industry, coal mine equipment is generally used under low temperature conditions, and the working environment is easily attacked by dust or wind and rain, so that the working condition and the environment are very poor, and the lubricating grease adopted by the equipment is required to have good performances such as water resistance, rust prevention, corrosion resistance, wear resistance and the like. Therefore, the selection of proper lubricating grease is very important for coal mine equipment, but the special lubricating grease specially applied to coal mines under low-temperature conditions in the market is few at present, and the common lubricating grease cannot meet the harsh use requirements of different coal mine equipment under different low-temperature conditions. The existing low-temperature lubricating grease has complex preparation process and higher cost, and can cause environmental pollution.
Disclosure of Invention
The invention aims to provide the special lubricating grease for the low temperature of the coal mine, which can meet the use requirements of various coal mine equipment under different low temperature conditions and ensure the service life of parts such as a rolling bearing and the like. In addition, the invention also provides a preparation method of the special lubricating grease for the low temperature of the coal mine, which can effectively reduce the pollution to the environment, reduce the production cost and improve the cost performance of users.
The task of the invention is achieved in that: the paint comprises the following components in parts by weight: 50-65 parts of base oil, 8-12 parts of thickening agent, 3-8 parts of organic bentonite, 4-8 parts of extreme pressure antiwear agent, 4-6 parts of antirust agent and 3-5 parts of glycerol, wherein the base oil is one or a mixture of more than two of PAO synthetic oil, naphthenic oil and ester oil, and the thickening agent is a mixture of fatty acid calcium and tetradecyl hydroxy stearic acid. The paint comprises the following components in parts by weight: 65 parts of base oil, 10 parts of a thickening agent, 8 parts of organic bentonite, 8 parts of an extreme pressure antiwear agent, 5 parts of an antirust agent and 4 parts of glycerol.
The method comprises the following steps:
(1) filtering the raw materials before adding into the kettle, filtering the liquid through a liquid filter, filtering the solid through a solid filter, adding 8-12 parts by weight of thickening agent and 25-35 parts by weight of base oil into the saponification kettle, gradually heating until the fatty acid is dissolved, and starting stirring;
(2) after the fatty acid is melted in the saponification kettle, 3-8 parts of organic bentonite are added and stirred;
(3) adding 4-8 parts of extreme pressure antiwear agent into a saponification kettle, and continuously heating at 90-95 ℃ for saponification reaction for 2-4 h;
(4) after the saponification reaction is finished, continuously stirring, heating and dehydrating, adding 40-55 parts by weight of base oil when the temperature reaches 150-;
(5) and after the constant temperature is finished, stirring and cooling to 180 ℃, adding 4-6 parts of antirust agent and 3-5 parts of glycerol, uniformly stirring, conveying all the products to a blending kettle, keeping the temperature constant, cooling, grinding by a grinding machine, filtering, and refining to obtain the special low-temperature lubricating grease for coal mines.
The special lubricating grease for the low temperature of the coal mine is mainly applied to the lubrication of various coal mine equipment under different low temperature conditions, and the service life of equipment parts is greatly prolonged. The invention adds various additives with various performances into the formula to improve the performance index of the lubricating grease, and simultaneously adds the organic bentonite to greatly improve the low temperature property, water resistance, rust prevention, extreme pressure property and the like of the lubricating grease.
Detailed Description
The present invention is described in further detail below with reference to examples, but it should not be construed that the scope of the above subject matter of the present invention is limited to the following examples, and that all the technologies realized based on the above subject matter of the present invention belong to the scope of the present invention.
Example 1
The coal mine low-temperature special lubricating grease comprises the following components in parts by weight: 65 parts of base oil, 10 parts of a thickening agent, 8 parts of organic bentonite, 8 parts of an extreme pressure antiwear agent, 5 parts of an antirust agent and 4 parts of glycerol.
The preparation method of the special low-temperature lubricating grease for the coal mine comprises the following steps:
(1) filtering the raw materials before adding into the kettle, filtering the liquid through a liquid filter, filtering the solid through a solid filter, adding 10 parts by weight of thickening agent and 30 parts by weight of base oil into the saponification kettle, gradually heating until the fatty acid is dissolved, and starting stirring;
(2) after the fatty acid is melted in the saponification kettle, 8 parts of organic bentonite is added and stirred;
(3) adding 8 parts of extreme pressure antiwear agent into a saponification kettle, and continuously heating at the temperature of 90-95 ℃ for saponification reaction for 2-4 hours;
(4) after the saponification reaction is finished, continuously stirring, heating and dehydrating, adding 50 parts by weight of base oil when the temperature reaches 150-;
(5) and after the constant temperature is finished, stirring and cooling to 180 ℃, adding 5 parts of antirust agent and 4 parts of glycerol, uniformly stirring, conveying all the products to a blending kettle, keeping the temperature constant, cooling, grinding by a grinder, filtering, and refining to obtain the special low-temperature lubricating grease for the coal mine.
Example 2
The coal mine low-temperature special lubricating grease comprises the following components in parts by weight: 50 parts of base oil, 8 parts of thickening agent, 3 parts of organic bentonite, 4 parts of extreme pressure antiwear agent, 4 parts of antirust agent and 3 parts of glycerol.
The preparation method of the special low-temperature lubricating grease for the coal mine comprises the following steps:
(1) filtering the raw materials before adding into the kettle, filtering the liquid through a liquid filter, filtering the solid through a solid filter, adding 8 parts by weight of thickening agent and 25 parts by weight of base oil into the saponification kettle, gradually heating until the fatty acid is dissolved, and starting stirring;
(2) after the fatty acid is melted in the saponification kettle, 3 parts of organic bentonite are added and stirred;
(3) adding 4 parts of extreme pressure antiwear agent into a saponification kettle, and continuously heating at the temperature of 90-95 ℃ for saponification reaction for 2-4 hours;
(4) after the saponification reaction is finished, continuously stirring, heating and dehydrating, adding 40 parts by weight of base oil when the temperature reaches 150-;
(5) and after the constant temperature is finished, stirring and cooling to 180 ℃, adding 4 parts of antirust agent and 3 parts of glycerol, uniformly stirring, conveying all the products to a blending kettle, keeping the temperature constant, cooling, grinding by a grinder, filtering, and refining to obtain the special low-temperature lubricating grease for the coal mine.
Example 3
The coal mine low-temperature special lubricating grease comprises the following components in parts by weight: 65 parts of base oil, 12 parts of a thickening agent, 8 parts of organic bentonite, 8 parts of an extreme pressure anti-wear agent, 6 parts of an antirust agent and 5 parts of glycerol.
The preparation method of the special low-temperature lubricating grease for the coal mine comprises the following steps:
(1) filtering the raw materials before adding into the kettle, filtering the liquid through a liquid filter, filtering the solid through a solid filter, adding 12 parts by weight of thickening agent and 35 parts by weight of base oil into the saponification kettle, gradually heating until the fatty acid is dissolved, and starting stirring;
(2) after the fatty acid is melted in the saponification kettle, 8 parts of organic bentonite is added and stirred;
(3) adding 8 parts of extreme pressure antiwear agent into a saponification kettle, and continuously heating at the temperature of 90-95 ℃ for saponification reaction for 2-4 hours;
(4) after the saponification reaction is finished, continuously stirring, heating and dehydrating, adding 55 parts by weight of base oil when the temperature reaches 150-;
(5) and after the constant temperature is finished, stirring and cooling to 180 ℃, adding 6 parts of antirust agent and 5 parts of glycerol, uniformly stirring, conveying all the products to a blending kettle, keeping the temperature constant, cooling, grinding by a grinder, filtering, and refining to obtain the special low-temperature lubricating grease for the coal mine.
In the preparation method of the special lubricating grease for coal mine at low temperature in the above examples 1-3, the organic bentonite is added, so that the low temperature property, water resistance, rust resistance, extreme pressure property and the like of the lubricating grease are greatly improved. The normal use of various coal mine equipment under different low temperature conditions is guaranteed. The preparation method has reasonable formula, ensures the compatibility of various additives in the lubricating grease structure, furthest ensures the quality of the lubricating grease, saves the production cost and reduces the pollution to the environment.
While there have been shown and described what are at present considered to be the principles of the invention, its essential features and advantages, it will be understood that the invention is capable of numerous modifications and variations, all of which are within the scope of the invention as hereinafter claimed.
Claims (3)
1. The special lubricating grease for the low temperature of the coal mine is characterized in that: the paint comprises the following components in parts by weight: 50-65 parts of base oil, 8-12 parts of thickening agent, 3-8 parts of organic bentonite, 4-8 parts of extreme pressure antiwear agent, 4-6 parts of antirust agent and 3-5 parts of glycerol, wherein the base oil is one or a mixture of more than two of PAO synthetic oil, naphthenic oil and ester oil, and the thickening agent is a mixture of fatty acid calcium and tetradecyl hydroxy stearic acid.
2. The special lubricating grease for low temperature coal mine according to claim 1, wherein: the paint comprises the following components in parts by weight: 65 parts of base oil, 10 parts of a thickening agent, 8 parts of organic bentonite, 8 parts of an extreme pressure antiwear agent, 5 parts of an antirust agent and 4 parts of glycerol.
3. The preparation method of the special low-temperature lubricating grease for the coal mine, which is disclosed by claim 1, is characterized by comprising the following steps of: the method comprises the following steps:
(1) filtering the raw materials before adding into the kettle, filtering the liquid through a liquid filter, filtering the solid through a solid filter, adding 8-12 parts by weight of thickening agent and 25-35 parts by weight of base oil into the saponification kettle, gradually heating until the fatty acid is dissolved, and starting stirring;
(2) after the fatty acid is melted in the saponification kettle, 3-8 parts of organic bentonite are added and stirred;
(3) adding 4-8 parts of extreme pressure antiwear agent into a saponification kettle, and continuously heating at 90-95 ℃ for saponification reaction for 2-4 h;
(4) after the saponification reaction is finished, continuously stirring, heating and dehydrating, adding 40-55 parts by weight of base oil when the temperature reaches 150-;
(5) and after the constant temperature is finished, stirring and cooling to 180 ℃, adding 4-6 parts of antirust agent and 3-5 parts of glycerol, uniformly stirring, conveying all the products to a blending kettle, keeping the temperature constant, cooling, grinding by a grinding machine, filtering, and refining to obtain the special low-temperature lubricating grease for coal mines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911218777.4A CN110982594A (en) | 2019-12-03 | 2019-12-03 | Special low-temperature lubricating grease for coal mine and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911218777.4A CN110982594A (en) | 2019-12-03 | 2019-12-03 | Special low-temperature lubricating grease for coal mine and preparation method thereof |
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| CN110982594A true CN110982594A (en) | 2020-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112342069A (en) * | 2020-11-30 | 2021-02-09 | 新乡市恒星科技有限责任公司 | High-temperature anti-sticking sealing lubricating grease and preparation method thereof |
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| CN112342069A (en) * | 2020-11-30 | 2021-02-09 | 新乡市恒星科技有限责任公司 | High-temperature anti-sticking sealing lubricating grease and preparation method thereof |
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