Oxygen-reducing gas guide hood for single crystal furnace

The utility model provides an oxygen reduction gas guide hood for a single crystal furnace, which relates to the technical field of single crystal furnaces and comprises a cylindrical annular hood body, a plurality of through holes are arranged on the circumferential surface of the annular hood body, the inner surfaces of the through holes are connected with the inside of the annular hood body, and the outer surfaces of the through holes are connected with the outside of the annular hood body to form a heat dissipation channel. Moreover, the lower end opening of the annular cover body is shrunk inwards, and the lower end opening of the annular cover body is connected with the upper end opening of the air guide cylinder. 本实用新型提供了一种单晶炉用降氧导气罩，涉及单晶炉技术领域，包括圆柱筒状的环形罩体，所述环形罩体的圆周面上开设有多个通孔，所述通孔的内表面与环形罩体的内部连接，所述通孔的外表面与环形罩体的外部连接，形成散热通道，并且，所述环形罩体的下端开口向内部缩小，环形罩体的下端开口与导气筒的上端开口连接。