A process for preparing heat storage balls

Abstract

The invention relates to a process for preparing heat storage balls, comprising the following steps: 1) pulverizing fly ash, aluminum ash and coal gangue into powders with particle diameters less than 80um; 2) taking fly ash powder in parts by mass 65-67 parts, 32-35 parts of aluminum ash powder, 3-6 parts of coal gangue powder, stir the powder evenly, add 5-8% of the total weight of the mixture in the form of water mist under the stirring condition and mix Stirring to nucleate; 3) The nucleated mixture prepared in step 2) is further formed into balls, roll screened, distributed, and sintered. The present invention uses solid waste as raw material, analyzes the physical properties, chemical composition and mineral composition of various raw materials, scientifically prepares, selects the dynamic sintered ceramsite production process, realizes a large amount of solid waste, and turns waste into treasure. Made into environmentally friendly heat storage balls that meet the needs of various combustion furnaces.

Description

technical field [0001] The invention belongs to the field of environmental protection and energy saving, and relates to a method for recycling solid waste, in particular to a process for preparing heat storage balls. Background technique [0002] Regenerative combustion began to rise in the 1990s. It burns fuel in high-temperature and low-oxygen concentration oxygen, and uses the waste heat of recovered flue gas to burn efficiently and reduce NO. X Emissions and other science and technology are organically combined to achieve the purpose of energy saving and emission reduction. Due to its multiple advantages of energy saving and environmental protection, regenerative combustion technology has brought new opportunities for countries to further improve fuel utilization and reduce environmental pollution. [0003] The key component of the regenerative combustion technology is the regenerator. The regenerators with more industrial applications include heat storage balls and hon...

AI Technical Summary

Problems solved by technology

However, most of the materials used in this kind of heat storage body have relatively small earth reserves, and some materials need to be artificially manufactured (such as cordierite and mullite), so the products produced are expensive and difficult to promote on a large scale

[0005] The utilization rate of solid waste discharged from industrial and mining in my country is very low. Its stacking and landfill not only take up a lot of valuable land resources, but also cause huge pollution to the environment, which is also not conducive to the sustainable development of society.

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