Patent ID: 8790048
Filing Date: 2014-07-29
Classification: B01D,B01J,B65G,C10J

Abstract:
1. A lock hopper comprising a lock hopper A having a hopper A a lock hopper B having a hopper B a control section C controlling the opening and closing of each of the entrance valves A in which lock hopper the following state (1) and state (2) are alternated repeatedly by controlling the control section C, whereby the granular substance in the hopper A 3 or B 3 is transferred downward to the metering feeder Q alternately through the granular substance exit pipe A 5 or B 5 , wherein when the granular substance is received into the lock hopper A from the upper system, the gas in the hopper A when the granular substance is received into the lock hopper B from the upper system, the gas in the hopper B a state (1) in which the inlet valve A a state (2) in which the inlet valve A