Wet dechlorination flash drying system for cold-rolled iron oxide red

• Main Authors: JUNG BYUNG-HO, AN XUEBIN
• Format: Patent
• Language: Chinese; English
• Published: 20.09.2022
• Subjects: CHEMISTRY; CLEANING; CLEANING IN GENERAL; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; INORGANIC CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PREVENTION OF FOULING IN GENERAL; SEPARATION; TRANSPORTING

The utility model belongs to the field of acid pickling waste liquid regeneration circulation, and particularly relates to a cold-rolled iron oxide red wet-process dechlorination flash drying system. The system comprises a first-stage washing tank, a first-stage washing pump, a first-stage washing water tank, a first-stage washing water pump, a first-stage filter press, a second-stage washing tank, a second-stage washing pump, a second-stage washing water tank, a second-stage washing water pump, a second-stage filter press, an iron oxide red rotary flash dryer, a rotary classifier, a cyclone material collector, a cloth bag material collector, a main induced draft fan, a washing water preheating tower and a preheating tower circulating pump, according to the iron oxide red washing device, two-time pulping washing, two-time in-situ washing and countercurrent washing can be carried out on iron oxide red, the washing effect on the iron oxide red is improved, meanwhile, effective dry-method and wet-method dust rem