A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Refractory clay clinker prepared from coal slime tailings and preparation method thereof
The invention discloses a refractory clay clinker prepared from coal slime tailings and a preparation method thereof. The refractory clay clinker comprises the following components, by ratio: 47-56% of SiO2, 37%-42% of Al2O3, 3%-5% of Fe2O3, 0.03%-0.2% of CaO, 0.5%-1% of Mg, 0.05%-0.5% of TiO2, 0.1%-0.6% of K2O, 0.2%-0.21% of Na2O and 5%-8% of a sintering vector. When the refractory clay clinker is prepared, coal slime is pulped; tailings slag is obtained through the processes of sorting, screening, purifying, desulfurizing, concentrating, filter pressing and drying after pulping; hollow bricktype blocks are obtained after the tailings slag is stirred, rolled, dried, blank-made, sintered and cooled; and the refractory clay clinker is obtained after the hollow brick type blocks are crushedand roughly ground. According to the invention, the effect of changing wastes of the coal slime tailings into valuables is realized.
本发明公开了一种煤泥尾矿渣制备的耐火黏土熟料及其制备方法，获得含SiO2占比47～56％，Al2O3占比37～42％，Fe2O3为3～5％，CaO为0.03～0.2％，Mg0.5～1％，TiO2为0.05～0.5％，K2O为0.1～0.6％，Na2O为0.2～0.21％，烧矢量为5～8％的耐火黏土熟料；所述耐火黏土熟料制备时，首先将煤泥制浆，制浆后通过分选、筛分、净化、脱硫、浓缩、压滤和烘干工艺获得尾矿渣，将所述尾矿渣搅拌碾压、烘干、制坯、烧成、冷却后获得空心砖型块，将所述空心砖型块破碎以及粗磨后获得所述耐火黏土熟料。本发明实现了将煤泥尾矿渣“废弃物”变废为宝的效果。
Refractory clay clinker prepared from coal slime tailings and preparation method thereof
The invention discloses a refractory clay clinker prepared from coal slime tailings and a preparation method thereof. The refractory clay clinker comprises the following components, by ratio: 47-56% of SiO2, 37%-42% of Al2O3, 3%-5% of Fe2O3, 0.03%-0.2% of CaO, 0.5%-1% of Mg, 0.05%-0.5% of TiO2, 0.1%-0.6% of K2O, 0.2%-0.21% of Na2O and 5%-8% of a sintering vector. When the refractory clay clinker is prepared, coal slime is pulped; tailings slag is obtained through the processes of sorting, screening, purifying, desulfurizing, concentrating, filter pressing and drying after pulping; hollow bricktype blocks are obtained after the tailings slag is stirred, rolled, dried, blank-made, sintered and cooled; and the refractory clay clinker is obtained after the hollow brick type blocks are crushedand roughly ground. According to the invention, the effect of changing wastes of the coal slime tailings into valuables is realized.
本发明公开了一种煤泥尾矿渣制备的耐火黏土熟料及其制备方法，获得含SiO2占比47～56％，Al2O3占比37～42％，Fe2O3为3～5％，CaO为0.03～0.2％，Mg0.5～1％，TiO2为0.05～0.5％，K2O为0.1～0.6％，Na2O为0.2～0.21％，烧矢量为5～8％的耐火黏土熟料；所述耐火黏土熟料制备时，首先将煤泥制浆，制浆后通过分选、筛分、净化、脱硫、浓缩、压滤和烘干工艺获得尾矿渣，将所述尾矿渣搅拌碾压、烘干、制坯、烧成、冷却后获得空心砖型块，将所述空心砖型块破碎以及粗磨后获得所述耐火黏土熟料。本发明实现了将煤泥尾矿渣“废弃物”变废为宝的效果。
Refractory clay clinker prepared from coal slime tailings and preparation method thereof
一种煤泥尾矿渣制备的耐火黏土熟料及其制备方法
ZHANG YANBIN (author)
2020-06-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2023
Method for preparing refractory bricks from refractory clay clinker
| European Patent Office | 2020
Ordinary Portland cement clinker preparation method using molybdenum tailings to replace clay
| European Patent Office | 2016
| European Patent Office | 2022
Method for producing silicate clinker employing aggregate tailings instead of clay
| European Patent Office | 2015