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前言“球团”就是先用造球机将细粒物料造成球状,制出生球,然后经过干燥、预热和焙烧而成的人造球状矿石。按用途与目的的不同,有钢铁冶炼用的氧化球团和还原球团、建筑材料用的承载骨料球团以及制造水泥用的球团。在这一类球团的制造工艺过程中,在原料处理、造球、干燥、预热、焙烧、冷却等方面使用有相同的工艺技术和机械设备。可是,各种球团的用途与目的不同,而且即使同一用途与目的的球团,其原料条件也彼此各异,因此各种球团的制造工艺过程以及生产操作条件方面都具有其各自的技术特点。
Preface “Pellets” is the first artificial spherical pellets made by pelletizing pellets to make spherical pellets, producing pellets, and then drying, preheating and roasting. Depending on the purpose and purpose, there are oxide pellets and reducing pellets for iron and steel smelting, aggregate-bearing pellets for building materials, and pellets for cement. In this type of pellet manufacturing process, the same process technology and mechanical equipment are used in raw material handling, pelletizing, drying, preheating, roasting, cooling and the like. However, various types of pellets have different uses and purposes, and even pellets of the same purpose and purpose have different raw material conditions, so that various pellets have their own technologies in terms of the manufacturing process and production operating conditions Features.