Method and apparatus for removing solids from pressurized process system

An apparatus for removing dry dust-like or dust containing solid material from a process system pressurized by process gases;

• said apparatus including
• a solid material receiving tank connected to said process system for receiving said solid material and said pressurized process gas in a flow during operation, said solid material receiving tank being provided at inlet and outlet sides with sluice valves for the solid material and at a gas outlet side with pressurizing and pressure-relieving valves, said apparatus furthermore having the improvement therewith comprising:
• at least one pressure tight tank including at least rigid filter cartridges, said rigid filter cartridges of sintered material being impinged upon by the flow cyclically in opposite directions during continuous operation as arranged in said at least one pressure tight tank and extending in longitudinal direction thereof and serving alternately for equalizing the gas pressure between the pressurized process system and said solid material receiving tank and for relieving said gas pressure within said solid material receiving tank, while separating said solid material from the gas leaving the solid material receiving tank during pressure-relief, said filter cartridges making possible operation since cleaning removal of the dust-like or dust containing solid material sluiced out from the process system is made possible by pressure change via said filter cartridges.