Phosphorous slag autoclave aerated concrete building block and preparation method thereof

• Main Authors: QI GUIHAI, LIANG HANLONG, SHUAI SONGXIAN, GONG GUOYI, LUO DONGHAI, WANG YONG
• Format: Patent
• Language: Chinese; English
• Published: 05.10.2011
• Subjects: ARTIFICIAL STONE; BUILDING; BUILDING MATERIALS; CEMENTS; CERAMICS; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; FIXED CONSTRUCTIONS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; LIME, MAGNESIA; METALLURGY; PERFORMING OPERATIONS; PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL,e.g. PLASTER; REFRACTORIES; SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER; SLAG; STRUCTURAL ELEMENTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TRANSPORTING; TREATMENT OF NATURAL STONE; WORKING CEMENT, CLAY, OR STONE

The invention discloses a phosphorous slag autoclave aerated concrete building block and a preparation method thereof. The phosphorous slag autoclave aerated concrete building block is prepared by adding water in phosphorous slag, silica sand, calcium lime, cement, gypsum and aluminium powder. Compared with the prior art, the method uses slag produced by phosphorus production as a main material for providing siliceous composition to produce the autoclave aerated concrete building block with light weight and insulation, can produce the autoclave aerated concrete building blocks with different levels according to different requirements, fully utilize the phosphorous slag waste, simultaneously also can reach or slightly excess the performances of the traditional similar building block and achieve the purpose of reusing the waste while reducing the production cost.