A kind of expanded vermiculite cement plate capable of releasing negative ion and preparation method thereof

摘要

A kind of expanded vermiculite cement plate capable of releasing negative ion and preparation method thereof. The preparation method of the cement plate includes: (1) feeding; Weighing expanded vermiculite, cement, tourmaline, auxiliary material by parts by volume content is raw material. (2) spice; Raw material is mixed by blender, is stirred evenly. (3) it forms; The slurry stirred evenly is delivered on the felt of felt support slurry conveying cylinder of operation through head box, the bed of material is formed by natural-dehydration, vacuum dehydration, is wrapped in roll forming on forming tube. (4) it conserves; Product elder generation after molding room temperature conserves 3-6h, then 10-18 hours steam-cured in 1MPa, 100-200 DEG C by still kettle. (5) it dries; It is dried 1-3 hours with 70-100 DEG C of drying temperature.