▎ 摘　　要

NOVELTY - Preparing 3D flame electric fireplace thermoelectric conversion element sheet comprises (1) making mold, heating, controlling temperature, (2) wax injecting component sheet mold, coating with refractory material, injecting alloy liquid of the 3D flame electric fireplace thermoelectric conversion element sheet into the mold, cooling and solidifying the component sheet material alloy liquid in mold, cleaning obtain component sheet casting, (3) selecting spraying materials including graphene, polystyrene, polyisoprene, bismuth telluride and ethanol, (4) mixing spraying materials by pouring ethanol into the mixing reactor, adding graphene, polystyrene, polyisoprene and bismuth telluride into the mixing reactor, stirring to form a mixed liquid and (5) spraying the mixed liquid on the surface of the component sheet, placing the component sheet in a heating furnace, heating and waiting to dry to obtain sheet of 3D flame electric fireplace thermoelectric conversion elements can be formed. USE - The method is useful for preparing 3D flame electric fireplace thermoelectric conversion element sheet. ADVANTAGE - The method has enhanced electrical conductivity. DETAILED DESCRIPTION - Preparing 3D flame electric fireplace thermoelectric conversion element sheet comprises (1) making mold based on shape of 3D flame electric fireplace thermoelectric conversion element sheet, making a fine-pore column inside the mold shell, heating the mold shell and fine-pore column, controlling temperature at 800-900 degrees C and time for 0.6-1.2 hours to form a mold, (2) wax injecting the component sheet mold, coating the outer surface of the mold with refractory material, injecting the alloy liquid of the 3D flame electric fireplace thermoelectric conversion element sheet into the mold, cooling and solidifying the component sheet material alloy liquid in mold, cleaning the mold at this time to obtain the component sheet casting, (3) selecting spraying materials including 30-40 pts. wt. graphene, 12-15 pts. wt. polystyrene, 15-17 pts. wt. polyisoprene, 8-12 pts. wt. bismuth telluride and 80-100 pts. wt. ethanol, (4) mixing spraying materials by pouring ethanol into the mixing reactor, adding graphene, polystyrene, polyisoprene and bismuth telluride into the mixing reactor, stirring using a stirring device for 15-20 minutes to form a mixed liquid and (5) spraying the mixed liquid on the surface of the component sheet, placing the component sheet in a heating furnace, heating for 5-10 minutes at 80-100 degrees C and waiting for the mixed liquid to dry completely on the surface of the element sheet to obtain sheet of 3D flame electric fireplace thermoelectric conversion elements can be formed.