Garbage gasification hydrogen production coupled SOFC (Solid Oxide Fuel Cell) combined heat and power system and method

The invention provides an efficient garbage gasification hydrogen production coupling SOFC combined heat and power system and method. The system comprises a household garbage storage unit, a high-pressure extrusion unit, a dry garbage granulation unit, a forming material drying unit, a gasified material gasification unit, a synthesis gas purification unit, a purified gas conversion unit and a solid oxide fuel cell which are connected in sequence. An electric power outlet of the solid oxide fuel cell is connected with the energy storage unit, a waste heat outlet of the solid oxide fuel cell is connected with the heat exchange unit, and a heating power outlet of the heat exchange unit is connected with a first heating power inlet of the forming material drying unit and a second heating power inlet of the purified gas conversion unit. The system and the method can reduce the treatment cost of the household garbage, improve the utilization efficiency of the household garbage and increase economic benefits, have t