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通过测试尾矿细砂的基本性能,提出了尾矿细砂制备特种干混砂浆的关键点在于尾矿细砂的级配组合。介绍了用尾矿细砂生产特种砂浆的生产线。探讨了尾矿细砂制备特种干混砂浆生产线中原材料储存系统、烘干系统、筛分系统、配料/称量系统、混合系统和散装/包装系统的关键技术。提出了尾矿细砂制备干混砂浆生产线需要对烘干系统和筛分系统进行专门设计。
By testing the basic properties of tailing fine sand, the key point of tailing fine sand to prepare special dry-mix mortar is put forward as follows: Gradation combination of tailings fine sand. Introduced with tailings fine sand production of special mortar production line. The key technologies for preparing raw material storage system, drying system, screening system, batching / weighing system, mixing system and bulk / packaging system of tailings fine sand preparation special dry-mixed mortar production line were discussed. The tailings fine sand preparation dry mortar production line requires special design of drying system and screening system.