Patent ID: 8468980

Claim:
A system for generating a mixture of steam and combustion gas in a direct contact rotating steam generator using high solids content water, the system comprising: a longitudinally rotatable drum mounted along a slope, said drum having a combustion gas supply section and a water injection section and a steam producing section and a steam and combustion gas mixture discharge section, said steam and combustion gas mixture discharge section positioned opposite said combustion gas supply section, said combustion gas supply section having an inlet, said drum having an outlet at an end thereof; a means for injecting water at a highest point of said drum along the slope; a means for discharging the mixture of steam and combustion gas at an end of said drum opposite said combustion gas supply section; a plurality of chains hanging in an interior of said drum; and a means to fluidically connect said discharge steam and combustion gas so as to use energy from the mixture of steam and combustion gas.