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Rotary jetting air-compressor lubricating oil and its production

A technology for air compressors and lubricating oils, applied in lubricating compositions, petroleum industry, additives, etc., which can solve the problems of high prices and achieve excellent thermal oxidation stability

Inactive Publication Date: 2007-06-20
抚顺远红润滑油制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially the lubricating oil used in oil-injected rotary (sliding vane and screw) air compressors is mostly imported products, which are expensive, while domestic products manufactured with reference to foreign formulas still have a certain quality compared with foreign products.

Method used

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  • Rotary jetting air-compressor lubricating oil and its production

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] No. 32 light-duty rotary (vane and screw) air compressor oil

[0048] Base oil: No. 32 white oil 99.04%

[0049] Additive: N-phenyl-α-naphthylamine (T531) 0.3%

[0050] 2.6-di-tert-butyl-p-cresol (T501) 0.3%

[0051] Tricresyl Phosphate (T306) 0.3%

[0052] Benzotriazole fatty amine salt (T406) 0.02%

[0053] Alkenyl succinic acid rust inhibitor (T746) 0.02%

[0054] The above-mentioned additives and the above-mentioned base oil are mixed, stirred and dissolved at 60°C to 80°C, then 0.02% of composite antioxidant T1001 and 10PPM simethicone defoamer are added and stirred evenly. Its performance meets the requirements of 32 in the GB5904 standard, as shown in Table 1.

Embodiment 2

[0056] No. 46 light-duty rotary (vane and screw) air compressor oil

[0057] Base oil: No. 46 white oil 99.04%

[0058] Additive: with additive and add-on in embodiment 1

[0059] Blending process: the same as the blending process in Example 1

[0060] The performance meets the requirements of 46 in the GB5904 standard, as shown in Table 1.

Embodiment 3

[0062] No. 68 light-duty rotary (vane and screw) air compressor oil

[0063] Base oil: 5 centistokes white oil 9.90%

[0064] 10 centistos white oil 89.14%

[0065] Additive: with additive and add-on in embodiment 1

[0066] Blending process: the same as the blending process in Example 1

[0067] The performance meets the requirements of 68 in the GB5904 standard, as shown in Table 1.

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Abstract

Rotary oil-jet air compressor lube oil and its production are disclosed. The formula consists of aromatic amine high-temperature antioxidant 0.1-0.6wt%, phenol antioxidant 0.1-1.0wt%, organic phosphate oil solution 0.1-0.6wt%, tinuvin fatty salt synergistic 0.01-0.1wt%, alkenyl ethylene dicarboxylic acid antirust agent VO.01-0.1wt% and base oil residue. It can be used at 100-200degree and has long antioxidant life.

Description

Technical field: [0001] The invention relates to the technical field of lubricating oil for air compressors, in particular it is a lubricating oil for an oil-sprayed rotary type, that is, a sliding vane and screw type air compressor, and a preparation method thereof Background technique: [0002] The air compressor oil used in the past is maintained entirely by the anti-oxidation stability, anti-rust and lubricity of mineral oil itself. [0003] In recent years, due to the development of compressor manufacturing technology, a compound formula of shielding phenolic antioxidant and zinc dialkyl dithiophosphate type high-temperature anti-oxidation, anti-corrosion, and anti-wear agent has been introduced into the new generation of compressor oil, thereby improving Improve the quality of air compressor oil. However, since the zinc dialkyldithiophosphate additive in this formula will decompose under long-term oxygen enrichment and high temperature conditions, and once the decompo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M137/04C10M129/42C10M133/58C10N40/00
Inventor 陈瑞光
Owner 抚顺远红润滑油制造有限公司
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