Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for preparing beta-semi-hydrated gypsum and anhydrite through step-by-step fluid roasting of gypsum
The invention discloses a method for preparing beta-semi-hydrated gypsum and anhydrite through gypsum step-by-step fluid roasting, and belongs to the technical field of gypsum fluid roasting. According to the method, a low-temperature fluid roasting procedure and a high-temperature fluid roasting procedure are adopted, and beta-semi-hydrated gypsum and anhydrite are prepared through step-by-step fluid roasting of gypsum. Partial crystal water in the gypsum is removed through one-step roasting, and a beta-semi-hydrated gypsum product is prepared; all crystal water in the beta-semi-hydrated gypsum is removed through two-step dehydration roasting, and an anhydrite product (type II anhydrous gypsum) is produced. The process can realize accurate regulation and control of crystal form transformation in the gypsum roasting process, has the advantages of low energy consumption of equipment, small occupied area and high operation rate, can be used for preparing two industrial products, namely beta-semi-hydrated gypsum and anhydrite at the same time, and can be adjusted according to requirements. The process can also be used for treating desulfurized gypsum, fluorgypsum, titanium gypsum and the like.
一种石膏分步流体焙烧制备β‑半水石膏和硬石膏的方法，属于石膏流体焙烧技术领域。该该方法采用低温、高温两步流体焙烧工序，通过对石膏分步流体焙烧制备β‑半水石膏和硬石膏两种产品。通过一步焙烧实现石膏中部分结晶水的脱除，制备β‑半水石膏产品；二步脱水焙烧实现β‑半水石膏中全部结晶水的脱除，并产出硬石膏产品(II型无水石膏)。该工艺能实现石膏焙烧过程晶型转变的精准调控，并具有设备低能耗、占地面积小、运转率高的优点，还能同时制备β‑半水石膏和硬石膏两种工业产品，可以根据需求进行调整。该工艺也能用于处理，脱硫石膏、氟石膏、钛石膏等。
Method for preparing beta-semi-hydrated gypsum and anhydrite through step-by-step fluid roasting of gypsum
The invention discloses a method for preparing beta-semi-hydrated gypsum and anhydrite through gypsum step-by-step fluid roasting, and belongs to the technical field of gypsum fluid roasting. According to the method, a low-temperature fluid roasting procedure and a high-temperature fluid roasting procedure are adopted, and beta-semi-hydrated gypsum and anhydrite are prepared through step-by-step fluid roasting of gypsum. Partial crystal water in the gypsum is removed through one-step roasting, and a beta-semi-hydrated gypsum product is prepared; all crystal water in the beta-semi-hydrated gypsum is removed through two-step dehydration roasting, and an anhydrite product (type II anhydrous gypsum) is produced. The process can realize accurate regulation and control of crystal form transformation in the gypsum roasting process, has the advantages of low energy consumption of equipment, small occupied area and high operation rate, can be used for preparing two industrial products, namely beta-semi-hydrated gypsum and anhydrite at the same time, and can be adjusted according to requirements. The process can also be used for treating desulfurized gypsum, fluorgypsum, titanium gypsum and the like.
一种石膏分步流体焙烧制备β‑半水石膏和硬石膏的方法，属于石膏流体焙烧技术领域。该该方法采用低温、高温两步流体焙烧工序，通过对石膏分步流体焙烧制备β‑半水石膏和硬石膏两种产品。通过一步焙烧实现石膏中部分结晶水的脱除，制备β‑半水石膏产品；二步脱水焙烧实现β‑半水石膏中全部结晶水的脱除，并产出硬石膏产品(II型无水石膏)。该工艺能实现石膏焙烧过程晶型转变的精准调控，并具有设备低能耗、占地面积小、运转率高的优点，还能同时制备β‑半水石膏和硬石膏两种工业产品，可以根据需求进行调整。该工艺也能用于处理，脱硫石膏、氟石膏、钛石膏等。
Method for preparing beta-semi-hydrated gypsum and anhydrite through step-by-step fluid roasting of gypsum
一种石膏分步流体焙烧制备β-半水石膏和硬石膏的方法
HAN YUEXIN (Autor:in) / YUAN SHUAI (Autor:in) / BAI ZHE (Autor:in) / LI YANJUN (Autor:in) / GAO PENG (Autor:in)
12.05.2023
Patent
Elektronische Ressource
Chinesisch
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