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遵照毛主席“开发矿业”的伟大号召,我矿于1970年建成一座年处理10万吨的选矿厂。破碎车间采用三段一闭路流程,粗碎设备为400×600老虎口,中碎为250×400两台老虎口,细碎采用φ600弹簧圆锥破碎机。由于φ600弹簧圆锥破碎机生产效率低,影响碎矿生产。于1974年4月安装了PYZ1200型单缸液压圆锥破碎机,代替中碎和细碎。最初,我们没有对主机进行解体检查,液压系统没有把活塞升起,第一次开车中发现:①从密封筒处向外溢油;②破碎锥躯体球面密封托盘与下架体护筋板碰撞而损坏,运转10分钟,
In compliance with the great call of Chairman Mao for “mining development,” our mine was built in 1970 as a concentrator for processing 100,000 tons per year. The crushing plant uses three sections of a closed loop process, coarse crushing equipment for the 400 × 600 tiger mouth, broken in two 250 × 400 tiger mouth, fine broken φ600 spring cone crusher. As φ600 spring cone crusher production efficiency is low, the impact of crushing production. In April 1974 installed a PYZ1200 single-cylinder hydraulic cone crusher, instead of broken and fine broken. Initially, we did not disintegrate the host inspection, the hydraulic system did not raise the piston, the first car found: ① oil spill from the seal cylinder; ② broken cone body spherical sealing tray and the shelf body ribs collision While damaged, running for 10 minutes,