苏联发展了一种浇铸500t大钢锭的浇铸方法,该法被称为“Pescho”工艺。一个装料量为10～50t的炼钢炉,就可采用此工艺,一炉接一炉地连续浇铸一根钢锭。缩写词“Pescho”是电渣分铸的意思。此法与通常的电渣重熔工艺的区别是采用不熔化的电极和在已事先准备好了液体渣层的锭模内浇铸钢液(见图1)。由于铸锭在垂直方向结晶,因此晶粒区极为致密,铸锭头部也几乎没有偏析和缩孔,也 The Soviet Union has developed a casting method of casting 500t ingots, known as the “Pescho” process. A charge of 10 ~ 50t steelmaking furnace, you can use this technology, a furnace followed by a furnace to cast a steel ingot. The acronym “Pescho” is electroslag casting. The difference between this method and the usual electroslag remelting process is the use of non-molten electrodes and casting of molten steel in an ingot mold that has been previously prepared with a liquid slag layer (see Figure 1). Since the ingot crystallizes in the vertical direction, the grain zone is extremely dense and there is almost no segregation and shrinkage at the head of the ingot