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八二年五月十四日,我厂一号机发生了一次来霜事故,经过五小时的处理,才完全排完曲轴箱内的氨液,严重影响了制冷系统的运行。现将情况分析如下: 一、操作过程一号机为上海产4V—12.5型氨压液机,自带油分离器,手动回油,且排气管上未装止回閥。該机停机四天后准备启动运行,操作工关闭油分离器的出气閥,打开回油閥向压缩机曲轴箱回油。回油完毕,关闭回油
On May 14, 1982, a frost accident occurred on the 1st engine of our factory. After five hours of treatment, the ammonia solution in the crankcase was completely drained, seriously affecting the operation of the refrigeration system. Now the situation is as follows: First, the operation of a machine for the Shanghai production 4V-12.5 ammonia hydraulic machine, comes with oil separator, manual back to the oil, and the exhaust pipe is not equipped with check valve. The machine is shut down four days after the start of operation, the operator shut off the oil separator outlet valve, open the return valve to the compressor crankcase back to the oil. Return to the oil is completed, closed back to the oil