CN115521819A - High-temperature lubricating grease for pipeline and preparation method thereof - Google Patents
High-temperature lubricating grease for pipeline and preparation method thereof Download PDFInfo
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- CN115521819A CN115521819A CN202211223188.7A CN202211223188A CN115521819A CN 115521819 A CN115521819 A CN 115521819A CN 202211223188 A CN202211223188 A CN 202211223188A CN 115521819 A CN115521819 A CN 115521819A
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- Prior art keywords
- parts
- base oil
- lubricating grease
- pipeline
- temperature
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- 239000004519 grease Substances 0.000 title claims abstract description 70
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000002199 base oil Substances 0.000 claims abstract description 59
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims abstract description 51
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000005260 corrosion Methods 0.000 claims abstract description 28
- 230000007797 corrosion Effects 0.000 claims abstract description 27
- 239000003112 inhibitor Substances 0.000 claims abstract description 24
- 229910021532 Calcite Inorganic materials 0.000 claims abstract description 19
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 19
- 229920013639 polyalphaolefin Polymers 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000005069 Extreme pressure additive Substances 0.000 claims abstract description 17
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 17
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 17
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 17
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 17
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 17
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 17
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 17
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 17
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 16
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 14
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 7
- 230000000171 quenching effect Effects 0.000 claims description 7
- 239000012964 benzotriazole Substances 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 9
- 238000007254 oxidation reaction Methods 0.000 abstract description 9
- 239000000654 additive Substances 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 abstract description 2
- 239000002562 thickening agent Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
-
- 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
- C10M2201/087—Boron oxides, acids or salts
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions 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
- 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
- C10M2205/026—Butene
-
- 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
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
- C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/04—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/026—Amines, e.g. polyalkylene polyamines; Quaternary amines used as thickening agents
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
-
- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/045—Metal containing thio derivatives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—Resistance to extreme temperature
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
Landscapes
- 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 pipeline high-temperature lubricating grease and a preparation method thereof, wherein the lubricating grease is prepared from the following raw materials: 300# paraffin oil, 500N base oil, PAO100 polyalphaolefin synthetic base oil, 4010 base oil, octadecylamine, lithium hydroxide, calcium hydroxide, diphenylamine, T361A antiwear extreme pressure additive, antioxidant corrosion inhibitor T202, pour point depressant T816C, polyisobutylene PB2400, calcite powder, thermoplastic styrene-butadiene rubber G1701 and corrosion inhibitor. The high-temperature lubricating grease for the pipeline, provided by the invention, is prepared by mixing 300# paraffin oil, 500N base oil, PAO100 poly alpha olefin synthetic base oil and 4010 base oil to serve as base oil, adding octadecylamine to serve as a thickening agent, and simultaneously adding various additives such as oxidation resistance, corrosion resistance and the like, has excellent high-temperature performance and good oxidation resistance and lubricating performance, can be used for high-temperature lubrication of the pipeline, and can prolong the service life and improve the safety of the pipeline.
Description
Technical Field
The invention relates to the field of lubricating grease, and particularly relates to high-temperature pipeline lubricating grease and a preparation method thereof.
Background
The reasonable and effective high-temperature lubricating grease for the pipeline has the advantages of oxidation resistance, corrosion resistance, excellent high-temperature performance and good oxidation resistance and lubricating performance. The method also has important significance for the service life of the pipeline, and can improve the safety. In a key period of being full of opportunities in the lubricating grease industry in China, subways are increased continuously, underground pipelines are also increased continuously, and the demand for high-performance lubricating grease is increased rapidly. However, the domestic grease industry still has more or less problems, such as smaller average annual output, less variety and output of high-performance grease products and the like. The pipeline lubricating grease used in China is widely used lubricating grease, but has shortcomings, particularly pipeline safety. In the case of high speed and extended maintenance period, the overall performance of the grease needs to be further improved.
Disclosure of Invention
In order to solve the problems, the invention provides the pipeline high-temperature lubricating grease which has excellent high-temperature performance and good oxidation resistance and lubricating performance.
In order to realize the purpose, the invention adopts the technical scheme that:
the high-temperature lubricating grease for the pipeline is prepared from the following raw materials in parts by weight:
10-24 parts of 300# paraffin oil
20-30 parts of 500N base oil
22-36 parts of PAO100 poly-alpha olefin synthetic base oil
4010 parts of base oil 16 to 24
18-25 parts of octadecylamine
3-8 parts of lithium hydroxide
2-7 parts of calcium hydroxide
2-4 parts of diphenylamine
4-6 parts of T361A antiwear extreme pressure additive
1-3 parts of antioxidant corrosion inhibitor T202
Pour point depressant T816C 2-3 parts
10-20 parts of polyisobutylene PB2400
Calcite powder 5-8 parts
3-6 parts of thermoplastic styrene-butadiene rubber G1701
1-2 parts of corrosion inhibitor.
The particle size of the calcite powder is less than or equal to 1250 meshes.
The corrosion inhibitor is benzotriazole or 1,2,3-benzotriazole.
The pipeline high-temperature lubricating grease is prepared from the following raw materials in parts by weight:
16-20 parts of 300# paraffin oil
22-26 parts of 500N base oil
26-32 parts of PAO100 poly-alpha olefin synthetic base oil
4010 base oil 18-22 parts
20-22 parts of octadecylamine
4-6 parts of lithium hydroxide
3-5 parts of calcium hydroxide
2.5 to 3.2 portions of diphenylamine
4.6-5.5 parts of T361A antiwear extreme pressure additive
1.8 to 2.3 portions of antioxidant corrosion inhibitor T202
Pour point depressant T816C 2.3-2.7 parts
13-16 parts of polyisobutylene PB2400
6-7 parts of calcite powder
4-5 parts of thermoplastic styrene-butadiene rubber G1701
1.3-1.7 parts of corrosion inhibitor.
The cone penetration of the high-temperature pipeline lubricating grease is 265-295, the dropping point of the lubricating grease is more than or equal to 240 ℃, the evaporation capacity of the lubricating grease for 22h at 99 ℃ is less than 2%, and the oil separation of the steel mesh for 24h at 100 ℃ is less than 5%.
The preparation method of the pipeline high-temperature lubricating grease comprises the following steps:
1) Adding octadecylamine into PAO100 poly-alpha olefin synthetic base oil and 500N base oil according to the proportion, uniformly mixing in a blending kettle, stirring, slowly heating to 150-170 ℃, and then preserving heat for 1.5-2h;
2) Adding 300# paraffin oil and polyisobutylene PB2400, stirring uniformly, heating to 190-210 ℃, then preserving heat for 1-1.5h, and stopping heating after the heat preservation time;
3) Adding 4010 base oil again, stirring uniformly, quenching the mixture, and homogenizing the mixture by a homogenizer to obtain base ester;
4) Adding T361A antiwear extreme pressure additive, calcium hydroxide, lithium hydroxide, diphenylamine, antioxidant corrosion inhibitor T202, pour point depressant T816C, calcite powder, thermoplastic styrene-butadiene rubber G1701 and corrosion inhibitor into the obtained basic grease, homogenizing by a homogenizer, and filtering by a high-pressure filter to obtain the high-temperature lubricating grease for the pipeline.
Compared with the prior art, the invention has the following beneficial effects:
the pipeline high-temperature lubricating grease provided by the invention is prepared by mixing 300# paraffin oil, 500N base oil, PAO100 poly alpha olefin synthetic base oil and 4010 base oil together to form high-performance base oil, adding octadecylamine as a thickening agent, and simultaneously adding various additives such as oxidation resistance, corrosion resistance and the like, so that the pipeline high-temperature lubricating grease has excellent high-temperature performance and good oxidation resistance and lubricating performance, can be used for long-time high-temperature lubrication of pipelines, and prolongs the service life and the safety of the pipelines.
Detailed Description
The invention provides the pipeline high-temperature lubricating grease which is better in combination with low-temperature performance, reduces the cost as much as possible, can lubricate well and has good compatibility with rubber/plastic parts aiming at the lubricating characteristic required by a valve actuator.
Several embodiments of the invention are given below
Example 1
The high-temperature lubricating grease for the pipeline is prepared from the following raw materials in parts by weight:
10 portions of 300# paraffin oil
20 portions of 500N base oil
26 portions of PAO100 poly-alpha olefin synthetic base oil
4010 base oil 22 parts
Octadecylamine 25 parts
6 parts of lithium hydroxide
3 portions of calcium hydroxide
2.5 parts of diphenylamine
5 portions of T361A antiwear extreme pressure additive
Antioxidant anticorrosive agent T202 portions
Pour point depressant T816C 2 parts
Polyisobutylene PB2400 parts
6 portions of calcite powder (less than or equal to 1250 meshes)
Thermoplastic styrene-butadiene rubber G1701 5 parts
2 parts of anticorrosive benzotriazole.
The preparation method of the pipeline high-temperature lubricating grease comprises the following steps:
1) Adding octadecylamine into PAO100 poly-alpha olefin synthetic base oil and 500N base oil according to the proportion, uniformly mixing in a blending kettle (3T), stirring, slowly heating to 150 ℃, and then preserving heat for 120min;
2) Adding 300# paraffin oil and polyisobutylene PB2400, stirring uniformly, heating to 190 ℃, then preserving heat for 90min, and stopping heating after the heat preservation time;
3) Adding 4010 base oil again, stirring uniformly, quenching the mixture, and homogenizing the mixture by a homogenizer (GYB 3000-3S) to obtain base ester;
4) Adding a T361A anti-wear extreme pressure additive, calcium hydroxide, lithium hydroxide, diphenylamine, an antioxidant corrosion inhibitor T202, a pour point depressant T816C, calcite powder, thermoplastic styrene-butadiene rubber G1701 and an anticorrosive agent into the obtained base grease, homogenizing by a homogenizer (GYB 3000-3S), and filtering by a high-pressure filter to obtain the high-temperature lubricating grease for the pipeline.
Example 2
The high-temperature lubricating grease for the pipeline is prepared from the following raw materials in parts by weight:
16 portions of 300# paraffin oil
22 portions of 500N base oil
32 portions of PAO100 poly-alpha olefin synthetic base oil
4010 part of base oil
Octadecylamine 20 parts
8 parts of lithium hydroxide
5 portions of calcium hydroxide
3 parts of diphenylamine
5.5 portions of T361A antiwear extreme pressure additive
Antioxidant anticorrosive agent T202 parts
Pour point depressant T816C 2.3 parts
Polyisobutylene PB2400 parts
Calcite powder (less than or equal to 1250 meshes) 8 parts
Thermoplastic styrene-butadiene rubber G1701 4 parts
1.3 parts of anticorrosive benzotriazole.
The preparation method of the pipeline high-temperature lubricating grease comprises the following steps:
1) Adding octadecylamine into PAO100 poly-alpha olefin synthetic base oil and 500N base oil according to the proportion, uniformly mixing in a blending kettle, stirring, slowly heating to 170 ℃, and then preserving heat for 90min;
2) Adding 300# paraffin oil and polyisobutylene PB2400, stirring uniformly, heating to 210 ℃, then preserving heat for 60min, and stopping heating after the heat preservation time;
3) Adding 4010 base oil again, stirring uniformly, quenching the mixture, and homogenizing the mixture by a homogenizer to obtain base ester;
4) Adding T361A antiwear extreme pressure additive, calcium hydroxide, lithium hydroxide, diphenylamine, antioxidant corrosion inhibitor T202, pour point depressant T816C, calcite powder, thermoplastic styrene-butadiene rubber G1701 and corrosion inhibitor into the obtained basic grease, homogenizing by a homogenizer, and filtering by a high-pressure filter to obtain the high-temperature lubricating grease for the pipeline.
Example 3
The high-temperature lubricating grease for the pipeline is prepared from the following raw materials in parts by weight:
20 portions of 300# paraffin oil
24 portions of 500N base oil
36 portions of PAO100 poly-alpha olefin synthetic base oil
4010 parts of base oil
Octadecylamine 21 parts
3 parts of lithium hydroxide
7 portions of calcium hydroxide
2 parts of diphenylamine
4.6 portions of T361A antiwear extreme pressure additive
1 portion of oxidation and corrosion inhibitor T202
Pour point depressant T816C 3 parts
Polyisobutylene PB2400 parts
Calcite powder (less than or equal to 1250 meshes) 5 parts
Thermoplastic styrene-butadiene rubber G1701 6 parts
1 part of benzotriazole as an anticorrosive.
The preparation method of the pipeline high-temperature lubricating grease comprises the following steps:
1) Adding octadecylamine into PAO100 poly-alpha olefin synthetic base oil and 500N base oil according to the proportion, uniformly mixing in a blending kettle, stirring, slowly heating to 160 ℃, and then preserving heat for 105min;
2) Adding 300# paraffin oil and polyisobutylene PB2400, stirring uniformly, heating to 200 ℃, then preserving heat for 75min, and stopping heating after the heat preservation time;
3) Adding 4010 base oil again, stirring uniformly, quenching the mixture, and homogenizing the mixture by a homogenizer to obtain base ester;
4) Adding a T361A anti-wear extreme pressure additive, calcium hydroxide, lithium hydroxide, diphenylamine, an antioxidant corrosion inhibitor T202, a pour point depressant T816C, calcite powder, thermoplastic styrene-butadiene rubber G1701 and an anticorrosive agent into the obtained base grease, homogenizing by a homogenizer, and filtering by a high-pressure filter to obtain the high-temperature lubricating grease for the pipeline.
Example 4
The high-temperature lubricating grease for the pipeline is prepared from the following raw materials in parts by weight:
24 portions of 300# paraffin oil
26 portions of 500N base oil
22 portions of PAO100 poly-alpha olefin synthetic base oil
4010 parts of base oil
Octadecylamine 22 parts
4 parts of lithium hydroxide
2 portions of calcium hydroxide
3.2 parts of diphenylamine
6 portions of T361A antiwear extreme pressure additive
2.3 portions of antioxidant corrosion inhibitor T202
Pour point depressant T816C 2.7 parts
Polyisobutylene PB2400 parts
7 portions of calcite powder (less than or equal to 1250 meshes)
Thermoplastic styrene-butadiene rubber G1701 3 parts
Anticorrosive 1,2,3-benzotriazole 1.7 parts.
The preparation method of the pipeline high-temperature lubricating grease comprises the following steps:
1) Adding octadecylamine into PAO100 poly-alpha olefin synthetic base oil and 500N base oil according to the proportion, uniformly mixing in a blending kettle, stirring, slowly heating to 155 ℃, and then preserving heat for 110min;
2) Adding 300# paraffin oil and polyisobutylene PB2400, stirring uniformly, heating to 195 ℃, then preserving heat for 80min, and stopping heating after the heat preservation time;
3) Adding 4010 base oil again, stirring uniformly, quenching the mixture, and homogenizing the mixture by a homogenizer to obtain base ester;
4) Adding a T361A anti-wear extreme pressure additive, calcium hydroxide, lithium hydroxide, diphenylamine, an antioxidant corrosion inhibitor T202, a pour point depressant T816C, calcite powder, thermoplastic styrene-butadiene rubber G1701 and an anticorrosive agent into the obtained base grease, homogenizing by a homogenizer, and filtering by a high-pressure filter to obtain the high-temperature lubricating grease for the pipeline.
Example 5
The high-temperature lubricating grease for the pipeline is prepared from the following raw materials in parts by weight:
18 portions of 300# paraffin oil
30 portions of 500N base oil
28 portions of PAO100 poly-alpha olefin synthetic base oil
4010 base oil 16 parts
Octadecylamine 18 parts
5 parts of lithium hydroxide
4 portions of calcium hydroxide
4 parts of diphenylamine
4 portions of T361A antiwear extreme pressure additive
1.8 portions of antioxidant corrosion inhibitor T202
Pour point depressant T816C 2.5 parts
Polyisobutylene PB2400 parts
6.5 portions of calcite powder (less than or equal to 1250 meshes)
Thermoplastic styrene-butadiene rubber G1701 4.5 parts
Anticorrosive 1,2,3-benzotriazole 1.5 parts.
The preparation method of the pipeline high-temperature lubricating grease comprises the following steps:
1) Adding octadecylamine into PAO100 poly-alpha olefin synthetic base oil and 500N base oil according to the proportion, uniformly mixing in a blending kettle, stirring, slowly heating to 165 ℃, and then preserving heat for 100min;
2) Adding 300# paraffin oil and polyisobutylene PB2400, stirring uniformly, heating to 205 ℃, then preserving heat for 70min, and stopping heating after the heat preservation time;
3) Adding 4010 base oil again, stirring uniformly, quenching the mixture, and homogenizing the mixture by a homogenizer to obtain base ester;
4) Adding a T361A anti-wear extreme pressure additive, calcium hydroxide, lithium hydroxide, diphenylamine, an antioxidant corrosion inhibitor T202, a pour point depressant T816C, calcite powder, thermoplastic styrene-butadiene rubber G1701 and an anticorrosive agent into the obtained base grease, homogenizing by a homogenizer, and filtering by a high-pressure filter to obtain the high-temperature lubricating grease for the pipeline.
The performance of the high-temperature lubricating grease for the pipeline is detected by adopting the following equipment according to corresponding national standards, and the main technical indexes are as follows:
the detection device comprises: the device comprises a lubricating grease penetration tester (SYP 4100-I), a lubricating grease shearing tester (SYP 4106-I), a lubricating grease dropping point tester (SYP-4110-I), a lubricating grease anti-water spray performance tester (SYP 4115-I), a lubricating grease oxidation stability tester (SYP 4112-II), a lubricating grease anti-corrosion performance tester (SYP 4109-I), a lubricating grease similar viscosity tester (SYP 4101-I), a lubricating grease extreme pressure performance tester (four-ball machine) and the like.
The main technical indexes are as follows:
1. dropping point of lubricating grease: not less than 240 DEG C
2. Penetration of the lubricating grease: 230-270,0.1mm
3. Grease evaporation (99 ℃,22 h)%: less than 2 percent
4. Oil separation of steel mesh (100 ℃,24 h)%: less than 5 percent
The present invention has been described in further detail with reference to the embodiments, and it is not to be construed that the embodiments are limited thereto; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (6)
1. The high-temperature lubricating grease for the pipeline is characterized by being prepared from the following raw materials in parts by mass:
10-24 parts of 300# paraffin oil
20-30 parts of 500N base oil
22-36 parts of PAO100 poly-alpha olefin synthetic base oil
4010 parts of base oil 16 to 24
Octadecylamine 18-25 parts
3-8 parts of lithium hydroxide
2-7 parts of calcium hydroxide
2-4 parts of diphenylamine
4-6 parts of T361A antiwear extreme pressure additive
1-3 parts of antioxidant corrosion inhibitor T202
Pour point depressant T816C 2-3 parts
10-20 parts of polyisobutylene PB 2400-20 parts
Calcite powder 5-8 parts
3-6 parts of thermoplastic styrene-butadiene rubber G1701
1-2 parts of corrosion inhibitor.
2. The high temperature grease for pipes of claim 1, wherein: the particle size of the calcite powder is less than or equal to 1250 meshes.
3. The high temperature grease for pipes of claim 1, wherein: the corrosion inhibitor is benzotriazole or 1,2,3-benzotriazole.
4. The high-temperature lubricating grease for pipelines is characterized by being prepared from the following raw materials in parts by mass:
16-20 parts of 300# paraffin oil
22-26 parts of 500N base oil
26-32 parts of PAO100 poly-alpha olefin synthetic base oil
4010 parts of base oil 18 to 22
20-22 parts of octadecylamine
4-6 parts of lithium hydroxide
3-5 parts of calcium hydroxide
2.5-3.2 parts of diphenylamine
4.6-5.5 parts of T361A antiwear extreme pressure additive
1.8 to 2.3 portions of antioxidant corrosion inhibitor T202
Pour point depressant T816C 2.3-2.7 parts
13-16 parts of polyisobutylene PB2400
6-7 parts of calcite powder
4-5 parts of thermoplastic styrene-butadiene rubber G1701
1.3-1.7 parts of corrosion inhibitor.
5. The high temperature grease for pipes of claim 4, wherein: the penetration of the high-temperature pipeline lubricating grease is 265-295, the dropping point of the lubricating grease is more than or equal to 240 ℃, the evaporation capacity of the lubricating grease for 22h at 99 ℃ is less than 2%, and the oil separation of the steel mesh for 24h at 100 ℃ is less than 5%.
6. The method for preparing the high-temperature pipeline grease lubricant according to any one of claims 1 to 5, characterized by comprising the following steps:
1) Adding octadecylamine into PAO100 poly-alpha olefin synthetic base oil and 500N base oil according to the proportion, uniformly mixing in a blending kettle, stirring, slowly heating to 150-170 ℃, and then preserving heat for 1.5-2h;
2) Adding 300# paraffin oil and polyisobutylene PB2400, stirring uniformly, heating to 190-210 ℃, then preserving heat for 1-1.5h, and stopping heating after the heat preservation time;
3) Adding 4010 base oil again, stirring uniformly, quenching the mixture, and homogenizing the mixture by a homogenizer to obtain base ester;
4) Adding a T361A anti-wear extreme pressure additive, calcium hydroxide, lithium hydroxide, diphenylamine, an antioxidant corrosion inhibitor T202, a pour point depressant T816C, calcite powder, thermoplastic styrene-butadiene rubber G1701 and an anticorrosive agent into the obtained base grease, homogenizing by a homogenizer, and filtering by a high-pressure filter to obtain the high-temperature lubricating grease for the pipeline.
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| CN115960659A (en) * | 2022-12-30 | 2023-04-14 | 无锡飞天润滑油科技股份有限公司 | Biodegradable lubricating grease and preparation method thereof |
| CN115960658A (en) * | 2022-12-30 | 2023-04-14 | 无锡飞天润滑油科技股份有限公司 | Lubricating grease for section cutting machine and preparation method thereof |
| CN116606682A (en) * | 2023-04-14 | 2023-08-18 | 中国石油化工股份有限公司 | Lubricant for new energy automobile power battery cooling system controller valve |
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