Phosphogypsum-based light plastering gypsum for hollow internal mold metal net wall body

Abstract

The invention relates to ardealite-based light plastering gypsum for a hollow internal mold metal net wall body and a preparation method of the ardealite-based light plastering gypsum. Comprising 50 to 450 parts of a gypsum high-strength agent, 50 to 450 parts of a gypsum water-resistant agent, 50 to 120 parts of sodium bentonite, 50 to 250 parts of glass beads or 50 to 200 parts of calcined ceramic particles, 50 to 200 parts of an anti-sagging agent, 200 to 1800 parts of calcined phosphogypsum, 1 to 8 parts of a thixotropic lubricant, 10 to 80 parts of hydroxypropyl methyl cellulose, 5 to 50 parts of an anti-cracking reinforcing agent, 1 to 30 parts of starch ether and 1 to 50 parts of an inorganic flexibilizer. The plastering gypsum base disclosed by the invention has the advantages of light weight, high strength, stable and reliable product and low manufacturing cost, can meet the requirements of different strengths, different sound insulation and heat preservation and different regional climates of building design, effectively reduces the weight of a hollow internal mold metal net wall body due to light weight, and improves the shock resistance and heat preservation of a building.

Description

technical field [0001] The invention relates to the technical field of building plastering materials, in particular to a phosphogypsum-based light plastering plaster for hollow inner-mold metal mesh walls. Background technique [0002] The hollow inner mold metal mesh wall is a wall formed by spraying plastering plaster onto the steel mesh and then smoothing it. It is widely used in the partition walls of airports, schools, hospitals and other high-rise buildings because of its good seismic resistance. The traditional hollow inner mold The metal mesh walls are all prepared by spraying metal mesh with cement mortar, and the weight of the mesh wall per square meter is 120-140 kilograms, which causes the building to weigh too much. For this reason, some manufacturers have begun to try to reduce the amount of cement and use cement plastering gypsum to spray metal mesh. Although this can improve the seismic resistance of the hollow metal mesh partition wall, due to the heavy weig...

AI Technical Summary

Problems solved by technology

However, phosphogypsum is different from desulfurized gypsum. The performance of phosphogypsum is unstable, especially the high impurity content causes low utilization rate. Therefore, no one has successfully used phosphogypsum to prepare a plaster that can be used to make hollow inner mold metal mesh walls. product