Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Phosphogypsum calcining system and phosphogypsum calcining process
The invention discloses a phosphogypsum calcining system and a phosphogypsum calcining process. The phosphogypsum calcining system comprises a suspension calcinator and a combustion chamber and further comprises a flash dryer, a left multi-stage cyclone separator and a right multi-stage cyclone separator, wherein the gas outlet of the combustion chamber is communicated with the air inlet pipe of the flash drier and the air inlet on the lower part of the suspension calcinator; a guide pipe of the flash drier is communicated with the feed hole of the right multi-stage cyclone separator; the discharge hole of the right multi-stage cyclone separator is communicated with the lateral feed hole of the suspension calcinatory; the discharge hole formed in the upper part of the suspension calcinatory is communicated with the feed hole of the left multi-stage cyclone separator; the discharge hole of the left multi-stage cyclone separator is connected with an air cooler; and the gas outlet of the left multi-stage cyclone separator is communicated with the air inlet pipe of the flash drier. The phosphogypsum calcining system disclosed by the invention has the advantages of high heat utilization rate, low energy consumption and high automation degree and is suitable for large-scale production.
Phosphogypsum calcining system and phosphogypsum calcining process
The invention discloses a phosphogypsum calcining system and a phosphogypsum calcining process. The phosphogypsum calcining system comprises a suspension calcinator and a combustion chamber and further comprises a flash dryer, a left multi-stage cyclone separator and a right multi-stage cyclone separator, wherein the gas outlet of the combustion chamber is communicated with the air inlet pipe of the flash drier and the air inlet on the lower part of the suspension calcinator; a guide pipe of the flash drier is communicated with the feed hole of the right multi-stage cyclone separator; the discharge hole of the right multi-stage cyclone separator is communicated with the lateral feed hole of the suspension calcinatory; the discharge hole formed in the upper part of the suspension calcinatory is communicated with the feed hole of the left multi-stage cyclone separator; the discharge hole of the left multi-stage cyclone separator is connected with an air cooler; and the gas outlet of the left multi-stage cyclone separator is communicated with the air inlet pipe of the flash drier. The phosphogypsum calcining system disclosed by the invention has the advantages of high heat utilization rate, low energy consumption and high automation degree and is suitable for large-scale production.
Phosphogypsum calcining system and phosphogypsum calcining process
XIE GUOGANG (Autor:in) / KANG ZHIJUN (Autor:in) / LIU YONGXU (Autor:in) / LIU YONGJIE (Autor:in) / LIU XIANGYONG (Autor:in) / ZHAO JIANXIN (Autor:in) / HE XIAOGANG (Autor:in) / LI HUIRONG (Autor:in)
20.05.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
Energy-saving high-temperature phosphogypsum calcining system
| Europäisches Patentamt | 2023