Patent ID: 9187326
Filing Date: 2015-11-17
Classification: C01B

Abstract:
1. A process tank comprising a tank body having an upper half portion a lower half portion, a first end and a second end along a longitudinal axis, an inner semi-cylinder body inside the upper half portion of the tank body which does not extend to the lower half portion of the tank body, a partition board being arranged between the tank body and the inner semi-cylinder body, a sandwich structure formed between the inner semi-cylinder body and the upper half portion of the tank body, a baffle plate in the sandwich structure for dividing inner space of the sandwich structure into a water inflow passage and a water outflow passage, an inner cavity inside the tank body being separated from the sandwich structure by the partition board, a first filter plate in the lower half portion of the tank body and having a cross section, the first filter plate being affixed to the tank body through pipe supports along the longitudinal axis of the tank body, the multiple pipe supports having a first end and a second end for affixing the first filter plate to the tank body along the longitudinal axis of the tank body, a first filter liquid cavity being formed between the first filter plate multiple pipe supports, and the lower half portion of the tank body the first filter liquid cavity being separated from the inner cavity by the first filter plate, a first liquid outlet on the tank body communicating with the first filter liquid cavity, and a feed inlet on side wall of the tank body, wherein the cross section of the first filter plate is zigzag shaped so as to increase contact surface on the first filter plate for filtration.