THE GAS FLOW IN THE LOOP SEALS OF A DUAL CIRCULATING FLUIDIZED BED: SPLITTING OF THE FLUIDIZING AGENT AND GAS LEAKAGE THROUGH THE LOOP SEALS

摘要

A cold flow model of a 120kW CLC reactor system is used to investigate the splitting of the fluidizing gas of the loop seals and to measure the leakage through the loop seals from the air reactor to the fuel reactor. The cold flow model is fluidized with nitrogen, air is used as tracer gas. The pressure difference between the reactors is varied during the experiment. The splitting of the fluidizing agent shows a dependency on the solids circulation rate. A gas leakage is only observed at low solids circulation rates and high pressure differences.