abstract |
According to the invention, dry-basis galvanizing sludge and quick lime are mixed at a mass ratio of 10:(1-2); the raw materials are uniformly mixed by taking polyvinyl alcohol as a bonding agent; and the mixture is subjected to press forming, drying and sintering to obtain a calcium ferrite steelmaking slag former. The technology provided by the invention has the characteristics of simple technology, low cost, high added value of product, high comprehensive utilization rate of galvanizing sludge and the like, and is suitable for industrial production. |