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Our company has partnered with Shandong University of Science and Technology. - National Engineering Laboratory for Coal Mine Filling Mining, Shandong University of Science and Technology Mining Engineering Research Institute Based on the characteristics of coal mine gangue, extensive experimental comparisons have led to the development of a "gold-making agent" that turns coal gangue from waste into a valuable resource. ——A coagulant agent used as a substitute for gravel and sand, enabling coal gangue to remain underground instead of being hoisted to the surface; it is employed for road construction, shotcreting, and backfilling in mine tunnels.
“ Condense Gangue Agent "It is By Sodium chloride, citric acid, Hydrolyzed resin, Electrolyte 、 Various catalysts Wait It is composed of components that exhibit exceptionally strong surface activity. It can balance the electrical charges on the surfaces of raw material particles, reduce the thickness of the electrical double layer, and enhance both the chemical and physical reaction processes within the mixture. As a result, the mixture forms a stable, integrated structural framework, significantly improving the water stability and strength of the structure's surface layer. Adding to coal gangue concrete A 2% coagulant additive can achieve the strength of conventional C30 concrete while reducing cement usage by 20%.
Employing strata analysis and scanning electron microscopy, Methods such as X-ray diffraction, thermogravimetric analysis, and differential thermal analysis were used to examine the patented gel. Gang agent The raw core samples underwent analysis of their curing mechanism, revealing that the凝 Gangue The agent's coagulation effect on the raw materials is a complex process, involving both physical adsorption and entanglement as well as chemical reactions. It effectively induces coagulation in mixed raw materials, delivering outstanding strength and water stability, while also demonstrating excellent resistance to freeze-thaw cycles.
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