双燃料发动机对润滑油的基本要求（The basic requirements of dual fuel engines for lubricating oil）.docVIP

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双燃料发动机对润滑油的基本要求（The basic requirements of dual fuel engines for lubricating oil）.doc

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双燃料发动机对润滑油的基本要求（The basic requirements of dual fuel engines for lubricating oil）

双燃料发动机对润滑油的基本要求（The basic requirements of dual fuel engines for lubricating oil） The basic requirements of dual fuel engines for lubricating oil For whole stationary power natural gas engine with general high-power diesel engines to the requirement of lubricating oil, but also have difference (such as cummins, caterpillar company production for CNG fuel high-power engine), its basic requirements are as follows: * has excellent high temperature lubricity and clean dispersibility, and must contain effective extreme pressure additives to prevent abrasion wear of high-load parts. * excellent anticorrosion and rust prevention to prevent corrosion of lead - base and copper - zinc bearings. * excellent high temperature resistance to oxygen and foam resistance. * sulphate ash can be controlled between 0.5 and 1 %, preventing premature ignition and blockage of valve and reducing pollution. * for the non-sulfur fuel, the TBN minimum is 2.0, and for the sulfur fuel, the TBN is between 6 and 12. For use with LPG, CNG and gasoline and diesel dual fuel engine such as taxis, small passenger car, the car the engine two fuels used alternately, thus we should not only have the lubrication performance of gasoline engine oil and diesel oil, and to the use of the characteristics of LPG. The basic requirements are as follows: * gaseous fuel combustion is complete, the engine temperature is higher than that of steam and diesel, and therefore should have excellent high temperature anti-oxygen and stability. * good high temperature cleaning and dispersion, keep the engine clean. * sulphate ash control is between 0.5 and 1.0 %. * satisfying lubrication requirements (LPG, CNG) and steam, diesel oil alone or alternately. Gas engine oil is required for sulphate ash General internal combustion engine oil (diesel oil, for example), contain high-temperature detergent: high and low alkali calcium sulfonate (or salicylic acid calcium) (T106, T104), high alkali sulphide calcium alkyl phenol (T122),