Recently, the author went to the village and township group of peasant homes and saw that some individual farm machinery maintenance service outlets and agricultural machinery transportation specialized households use washing powder water solution instead of metal cleaning agent, soaking and scrubbing grease and stains on agricultural machinery parts. The author believes that this move is harmful, it not only can not clean the dirt, ensure the brightness of the metal surface, but will seriously increase the corrosion of the machine parts, thereby accelerating the agricultural machinery scrapped. The stains on agricultural machinery parts are mainly mineral oils and fats. At present, the detergency, emulsification, and differentiation activities of washing powders commonly used in households are poor, and it is difficult to remove mineral oils and fats on the body and it is difficult to protect the finish of metal surfaces. At the same time, the detergent powder contains a large amount of inorganic salts, which are easily ionized in aqueous solution, causing serious corrosion of the metal surface, affecting the accuracy of the use of agricultural machinery and equipment, and even causing accidents. In addition, no detergent was added to the washing powder, which caused the electrochemical reaction on the surface of the body to continue continuously. Corrosion and damage to the body were increasingly aggravated, which shortened the useful life of the agricultural machinery. Here, the author specifically reminded the majority of agricultural machinery, do not use detergent to clean farm machinery.
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