Light high-strength ceramic grains manufactured by utilizing pond sludge and manufacturing method thereof

Abstract

The invention belongs to the technical field of sludge recycling, and particularly relates to light high-strength ceramic grains manufactured by utilizing pond sludge and a manufacturing method thereof. The manufacturing method comprises the following steps of: crushing 30 to 50 parts of building garbage to obtain building garbage crushed materials; and mixing the building garbage crushed materials, 30 to 40 parts of pond sludge and 40 to 60 parts of potash feldspar powder uniformly, roasting at the temperature of between 1,150 and 1,500 DEG C for 20 to 120 minutes, and cooling to obtain the light high-strength ceramic grains. In the method, the pond sludge, the building garbage and the potash feldspar powder are mixed in a certain ratio to play a synergetic role, so that the strength of the prepared light high-strength ceramic grains is 16 to 120 MPa, and the physical and mechanical properties are higher than those of the common natural stones. By the light high-strength ceramic grains, wastes can be changed into wealth, environmental pollution is easy to improve, and the principle of innocence, minimization and recycling of solid waste treatment in China is met, so the light high-strength ceramic grains have obvious economic and social benefits.

Description

technical field [0001] The invention belongs to the technical field of resource recovery and utilization, and in particular relates to a light-weight high-strength porcelain particle made from pond sludge and a manufacturing method thereof. Background technique [0002] my country's rivers, lakes, ponds, reservoirs, and harbors are dotted all over the place, and the water sedimentation, siltation, alluvial, and alluvial sludge have affected the smooth channel, water development, water purification, and environmental pollution to varying degrees. Pond sludge is a kind of clay-like material mainly containing silicate minerals, which contains a large number of various parasites and pathogens. At present, sludge is mostly treated by landfill, stacking, composting and throwing into the sea. Due to its special performance characteristics, it is very easy to cause secondary pollution to the natural environment and groundwater system. [0003] At the same time, the amount of constr...

AI Technical Summary

Problems solved by technology

However, this manufacturing method needs to dehydrate the sewage first, and the production efficiency is low, resulting in a waste of resources and increasing the cost. Moreover, because the technical solution only uses sludge as a component and does not contain chemical components that can improve product strength, it can only be used The ceramsite with low strength and poor mechanical properties can be obtained, and the ceramic particles with light weight, high strength and good mechanical properties cannot be obtained.