The basic characteristics of deposit form and heat-liquid form barite and their calcining and leaching method are described.New ideas of process and equipment for calcining and leaching are given.

• 论述了沉积型和热液型重晶石基本性质的不同和所应选择的煅烧和浸取方式。并就煅烧和浸取的工艺设备提出了新的观点。对提高重晶石的利用率、优化工艺设备，降低生产成本、保护环境是非常必要的。