OIL FOR TURBOCOMPRESSORS AND FOR AIR-INJECTION DEVICES Russian patent published in 1998 - IPC

FIELD: lubrication of turbomachines of various purpose, among them, air-injection devices which compressed ammonium and synthesis gas comprising ammonium. SUBSTANCE: oil comprises, mas. %; 2,6-di-tert-butyl p-cresol, 0.2-0.8; acid monoglycol ester of alkenyl succinic acid, 0.01-0.05; 1-(dialkylaminomethyl)toluene triazole, 0.005-0.1; petroleum oil, up to 100. If oil is used when its flooding is possible, then it may comprise demulsifying additive, nitrogen-containing block copolymer of ethylene oxide and propylene oxide, quantity of said additive is 0.01-0.03 mas.%. Oil comprises hydrogenated block copolymer of diene hydrocarbons and styrene (its molecular weight is 15000-200000) to adjust its viscosity, quantity of copolymer is 0.1-1.0 mas.%. EFFECT: improved quality of product. 3 cl, 2 tbl