A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Low-carbon Portland cement clinker and preparation method thereof
The invention is applicable to the field of building materials, and discloses a low-carbon Portland cement clinker and a preparation method thereof, and the low-carbon Portland cement clinker comprises the following components in parts by weight: copper smelting sludge, limestone, sandstone, coal gangue, iron tailings and a carbonaceous reducing agent. On one hand, the firing temperature of the portland cement clinker is reduced by 50-100 DEG C compared with the firing temperature 1450 DEG C of the traditional portland cement clinker, the coal consumption is reduced, and the quality of the portland cement clinker is not influenced; on the other hand, the prepared cement clinker can consume a large amount of copper smelting sludge, heavy metal elements in the copper smelting sludge can be effectively solidified through high-temperature sintering, a non-carbonate calcareous material in the copper smelting sludge is used for replacing part of limestone, emission of carbon dioxide is greatly reduced, and the cost is reduced. Meanwhile, resource utilization of various industrial waste residues can be achieved, and the method has the important significance of being economical, low-carbon, environmentally friendly and the like.
本申请适用于建筑材料领域，公开了一种低碳硅酸盐水泥熟料及其制备方法，所述低碳硅酸盐水泥熟料以重量份数计算,包括以下组分：铜冶炼污泥、石灰石、砂岩、煤矸石、铁尾矿份和碳质还原剂。一方面，本发明的烧成温度比传统硅酸盐水泥熟料的烧成温度1450℃降低50～100℃，减少煤炭消耗，且不影响硅酸盐水泥熟料质量；另一方面，本发明制备的水泥熟料可消耗大量铜冶炼污泥，通过高温烧成并可有效固化铜冶炼污泥中的重金属元素，利用铜冶炼污泥中的非碳酸盐钙质材料替代部分石灰石，大幅降低二氧化碳排放，同时还能实现多种工业废渣的资源化利用，具有经济、低碳和环保等重要意义。
Low-carbon Portland cement clinker and preparation method thereof
The invention is applicable to the field of building materials, and discloses a low-carbon Portland cement clinker and a preparation method thereof, and the low-carbon Portland cement clinker comprises the following components in parts by weight: copper smelting sludge, limestone, sandstone, coal gangue, iron tailings and a carbonaceous reducing agent. On one hand, the firing temperature of the portland cement clinker is reduced by 50-100 DEG C compared with the firing temperature 1450 DEG C of the traditional portland cement clinker, the coal consumption is reduced, and the quality of the portland cement clinker is not influenced; on the other hand, the prepared cement clinker can consume a large amount of copper smelting sludge, heavy metal elements in the copper smelting sludge can be effectively solidified through high-temperature sintering, a non-carbonate calcareous material in the copper smelting sludge is used for replacing part of limestone, emission of carbon dioxide is greatly reduced, and the cost is reduced. Meanwhile, resource utilization of various industrial waste residues can be achieved, and the method has the important significance of being economical, low-carbon, environmentally friendly and the like.
本申请适用于建筑材料领域，公开了一种低碳硅酸盐水泥熟料及其制备方法，所述低碳硅酸盐水泥熟料以重量份数计算,包括以下组分：铜冶炼污泥、石灰石、砂岩、煤矸石、铁尾矿份和碳质还原剂。一方面，本发明的烧成温度比传统硅酸盐水泥熟料的烧成温度1450℃降低50～100℃，减少煤炭消耗，且不影响硅酸盐水泥熟料质量；另一方面，本发明制备的水泥熟料可消耗大量铜冶炼污泥，通过高温烧成并可有效固化铜冶炼污泥中的重金属元素，利用铜冶炼污泥中的非碳酸盐钙质材料替代部分石灰石，大幅降低二氧化碳排放，同时还能实现多种工业废渣的资源化利用，具有经济、低碳和环保等重要意义。
Low-carbon Portland cement clinker and preparation method thereof
一种低碳硅酸盐水泥熟料及其制备方法
ZENG LIANG (author) / HU BIAO (author) / SHI QI (author) / AI LEI (author)
2024-01-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME