METHODS OF AND SYSTEMS FOR PREPARING A HEAT RESISTANT ACCELERANT SLURRY AND ADDING THE ACCELERANT SLURRY TO A POST-MIXER AQUEOUS DISPERSION OF CALCINED GYPSUM
摘要
<p>Methods and systems are provided for preparing a heat resistance accelerator (HRA) slurry. Also provided are methods and systems for introducing a HRA slurry to an aqueous dispersion of calcined gypsum in a discharge apparatus downstream of a stucco mixer in which the dispersion was prepared. These methods and systems are useful in the production of various gypsum products such as board including wallboard and ceiling tiles.</p>
申请公布号
WO2006115498(A1)
申请公布日期
2006.11.02
申请号
WO2005US14512
申请日期
2005.04.27
申请人
UNITED STATES GYPSUM COMPANY;WITTBOLD, JAMES, R.;GROZA, BRENT