在试验室和工厂试验了石蜡孕育块、水玻璃孕育块和铸造孕育块型内孕育球墨铸铁铁水的效果,提出了理想孕育块的模型。试验结果表明前二种孕育块的效果明显优于铸造孕育块,它们都可有效地用于实际生产。 Experiments in the laboratory and factory test block of wax, water glass and nurturing block nurturing nursery nursery iron cast iron effect, put forward the ideal nurturing block model. The test results show that the first two types of gestation blocks are obviously better than casting gestation blocks, and they can be effectively used in actual production.