The utility model discloses a fritting furnace for powder metallurgy, it includes fritting furnace furnace body, fritting furnace bell, the fritting furnace furnace body includes the charge cask, andthe peripheral canning of charge cask is from interior to outer cascade arrangement's furnace body graphitic carbon felt fibre heat preservation, furnace body aluminium oxide fibre heat preservation,the heat preservation of nai firebrick and furnace body shell metal level in proper order, and electric heat -generating body is installed in the cavity inner wall of feeding to the charge cask, and four hydrogen inlet are offered to the tip under the cavity inner wall of feeding, and each hydrogen inlet links respectively and establishes hydrogen and import the pipeline, the fritting furnace bellincludes inboard bell, outside bell, and hydrogen discharge pipe is installed to inboard bell intermediate position, and the middle through -hole that runs through is totally from top to bottom offered to the intermediate position of outside bell, and hydrogen discharge pipe's upper end is passed the middle through -hole of outside bell and is extended to the last distolateral of outside bell. Through the structure design, the utility model has the advantages of structural design is novel, energy -conserving environmental protection effect is good, sintering efficiency is high.