我厂机械加工中所使用的冷却润滑剂——乳化液,以前都是进口的,自1956年下半年起,因供应数量不足,便开始试验自制,并以再生机油为主料,经一年多的使用,证明有下列优点: 1)使回收的废机油得到充分利用,制成的油膏成本每公斤不到0.8元; 2)设备简单,操作容易,油膏质量符合要求。 (一)再生机油的回收方法:下图是用来过滤废机油的装置的示意图。废机油 Our factory machinery used in the cooling lubricant - emulsion, used to be imported, since the second half of 1956, due to lack of supply, they began to test self-made, and renewable oil-based materials, after a year The use of more, to prove the following advantages: 1) make the recycling of waste oil to be fully utilized, made of ointment cost less than 0.8 yuan per kilogram; 2) the device is simple, easy to operate, grease quality to meet the requirements. (A) Recycled oil recovery method: The following figure is used to filter the schematic diagram of waste oil. Waste oil