Portland cement clinker taking tungsten tailings as raw material and preparation method of Portland cement clinker: Fid-Bau Portal

Portland cement clinker taking tungsten tailings as raw material and preparation method of Portland cement clinker

CHEN BOWEN

The invention discloses Portland cement clinker taking tungsten tailings as a raw material and a preparation method of the Portland cement clinker, and belongs to the technical field of cement clinker. The Portland cement clinker comprises the following components in parts by weight: 0.5-40 parts of tungsten tailings, 60-95 parts of limestone, 0-20 parts of a siliceous material and 0-20 parts of an iron raw material, the influence of an agent can be eliminated through a high-temperature calcination environment, a large amount of tungsten tailings can be directly consumed, meanwhile, the iron material, the siliceous material and the limestone in Portland cement ingredients can be replaced, the cost is reduced, and the economic benefit is increased. Part of tungsten tailings contain fluorite and rare metals, so that the burnability of the cement raw material can be effectively improved, the energy consumption is reduced, and the economic value is very high.

本发明公开了一种以钨尾矿为原料的硅酸盐水泥熟料及其制备方法，属于水泥熟料技术领域。按重量份数计，所述硅酸盐水泥熟料包括以下组分：钨尾矿0.5～40份，石灰石60～95份，硅质材料0～20份，铁质原料，0～20份，通过高温煅烧环境可以消除药剂影响，可以直接消耗大量钨尾矿，同时可以替代硅酸盐水泥配料中的铁质材料、硅质材料、石灰石，降低成本，部分钨尾矿含有萤石及稀有金属，可以有效改善水泥生料易烧性，降低能耗，存在很高经济价值。

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