我厂铸钢件水爆清砂、旧砂再生流水线是一九六五年十月开始设计的。在设计和施工中,我们遵照毛主席关于“自力更生,艰苦奋斗,破除迷信,解放思想”的伟大教导,大胆地删除了中间池部分(包括池体、砂泵、振动筛、搅拌水管),相应地改变了水爆池、水力提升机以及水力旋流器的设计,使这条流水线较一般的铸钢件水爆清砂、旧砂再生流水线简化。该线是于一九六六年年中投产的,六年多来,经过不 I plant castings blasting clear sand, old sand regeneration line is designed in 1965 October. In the course of design and construction, following the great teachings of Chairman Mao on “self-reliance, hard work, dispelling superstition and emancipating the mind”, we boldly removed the middle tank part (including the tank body, sand pump, shaker and mixing pipe) Changed the design of water bursting ponds, hydraulic hoists and hydrocyclones to make this line waterblasting clear sand more generally and simplifying the reclamation of used sand. The line was put into operation in mid-1966, and after six years, no