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Process and device for producing high-strength gypsum by utilizing phosphogypsum
The invention discloses a process for continuously producing high-strength gypsum by utilizing solid waste phosphogypsum. The process is suitable for batch production of high-strength gypsum powder and whiskers. The process comprises a pickling pretreatment procedure, a neutralization pretreatment procedure, a pre-crystal transformation procedure, a crystal transformation procedure and a high-temperature drying procedure, and the high-strength gypsum powder is continuously produced.
一种利用固废磷石膏连续生产高强度石膏的工艺,适用于高强度石膏粉、晶须的批量生产;由酸洗预处理流程、中和预处理流程,预转晶流程,转晶流程、高温干燥流程构成,连续生产高强度石膏粉。
Process and device for producing high-strength gypsum by utilizing phosphogypsum
The invention discloses a process for continuously producing high-strength gypsum by utilizing solid waste phosphogypsum. The process is suitable for batch production of high-strength gypsum powder and whiskers. The process comprises a pickling pretreatment procedure, a neutralization pretreatment procedure, a pre-crystal transformation procedure, a crystal transformation procedure and a high-temperature drying procedure, and the high-strength gypsum powder is continuously produced.
一种利用固废磷石膏连续生产高强度石膏的工艺,适用于高强度石膏粉、晶须的批量生产;由酸洗预处理流程、中和预处理流程,预转晶流程,转晶流程、高温干燥流程构成,连续生产高强度石膏粉。
Process and device for producing high-strength gypsum by utilizing phosphogypsum
一种利用磷石膏生产高强度石膏的工艺和装置
ZHANG ZHIXING (Autor:in) / XIA-ZHI QINGYUN (Autor:in) / XIA YIYAN (Autor:in)
23.02.2021
Patent
Elektronische Ressource
Chinesisch
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