2results about How to "Good gel" patented technology

The application discloses a kind of based on molybdenum tailings stone powder replacement cement's cementitious material preparation method, the method includes: after molybdenum tailings are broken, ball milling, using alkaline activator and surface active regulator are wet mechanical chemical activation;Particle size distribution is obtained by airflow classification system regulation and control, continuous dense;The molybdenum tailings stone powder obtained and benchmark cement, auxiliary mineral admixture and functional additive are mixed according to proportion, form high packing density composite cement paste, wherein molybdenum tailings stone powder mass ratio reaches above preset threshold;After standard or accelerated maintenance, the obtained material 28 days compressive strength is not less than 42.5 MPa, 90 days strength continues to grow, and volume stability and working performance are excellent.The application is activated modification, grading optimization and multiple synergistic design, significantly improve molybdenum tailings cementitious activity, realize high value utilization of bulk solid waste at the same time, reduce energy consumption and carbon emission, suitable for large-scale production of green building materials.

The application relates to the field of cement, and particularly discloses an environment-friendly cement based on carbonaceous coal gangue and a manufacturing method thereof. The environment-friendly cement based on carbonaceous coal gangue raw materials comprise modified coal gangue powder 60-80 parts; cement clinker 30-40 parts; slag powder 10-20 parts; desulfurization gypsum 10-15 parts; tourmaline powder 5-10 parts; ammonium sulfate micro powder 5-10 parts; sodium carboxymethyl cellulose 3-7 parts; and the modified coal gangue powder is obtained by calcining and activating coal gangue powder and then treating the coal gangue powder with a beta-alanine aqueous solution. The environment-friendly cement disclosed by the application takes coal gangue as one of main raw materials, converts the coal gangue into environment-friendly cement with high added value through activation and enhancement treatment. This not only reduces the dependence on natural resources, but also realizes the recycling of waste resources and improves the resource utilization rate; and the cement disclosed by the application can maintain good working performance in the construction process.