Pilot Scale Experimental Study on Technology and Mechanism of Phosphogypsum Unburned Block
PAN Deng
ZHANG Dianji
LUO Huihua
LIN Manqing
WANG Zhangqiong
Abstract：Through the field pilot test,the paper explores the main raw material proportioning and manufacturing technique of the phosphogypsum unburned building blockand the feasibility of the phosphogypsum-residue to be developed and utilized on a large-scale.The effect and mechanism of each technology link during the processing and molding are analyzed according to the unburned block production line pilot run.The specific production process of the phosphogypsum unburned building block has been confirmd.In the wheelgrinding process,the main raw materials are wheel-grinded three minutes firstly.Then,they are stacked together to be cured 10hours.Next,they are put into the forced two-wheel blender to mix 12min,during which the strengthening agent and water resistance are injected.The vibrating compaction is adopted to formblockswith 20million mpa pressure.They are finally maintained inside the solar room.The experiment proves the process of phosphorus gypsum block about physical and mechanical indexes meet the national construction of masonry material requirements.Thetechnology, which can mass produce unburned blockswith industrial waste phosphogypsum,can reduce the disorderly emissions of pollution and bring new economicgrowth point for the phosphorus chemical industry.With significant social and economic benefits,it is another contribution to builda resource-saving and environment-friendly society.
Keywords：phosphogypsumunburned blockstircuringwheel-grindvibrating compactionmaintenance
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：7( 81-87 )