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按规定,机油中允许的含水量应在0.03％以下。当含水量超过0.1％时,机油的添加剂(抗氧化剂、清净分散剂等)就会失散,这会加速机油的氧化过程。而机油氧化生成的有机酸和发动机排出废气中的酸性氧化物与水发生反应,又生成无机酸。这些酸性物质又增加了对发动机的腐蚀。机油中含有较多的水时,机油润滑性变差,粘度下降,轻则导致机油过早变质和机件生锈;重则引起发动机抱轴、烧瓦等严重机械事故。
According to regulations, the allowable water content of oil should be below 0.03%. When the water content exceeds 0.1%, oil additives (antioxidants, detergent, etc.) will be dispersed, which will accelerate the oil oxidation process. The oxidation of organic acid generated by the engine oil and engine exhaust emissions of acidic oxides and water react, but also generate inorganic acids. These acids add corrosion to the engine. Oil contains more water, oil lubrication deteriorates, the viscosity decreases, ranging from premature deterioration of oil and mechanical parts rust; heavy cause the engine to hold the shaft, bushings and other serious mechanical accidents.