One-liner dual-furnace-mouth biomass briquette clean cooking and heating furnace

The invention discloses a one-liner dual-furnace-mouth biomass briquette clean cooking and heating furnace with high using efficiency. The furnace comprises a furnace body, wherein a water tank high-efficiency heat exchanger is fixedly connected with the rear at the upper end of the furnace body; a chimney port is fixedly connected with the upper end of the water tank high-efficiency heat exchanger; an ash box is arranged on the lower part of the furnace body; a fire bar is arranged on the lower part of the furnace body; the fire bar is positioned above the ash box; a cooker is covered on the furnace body; a furnace core is arranged in the furnace body; the upper opening of the furnace core is elliptic; the lower opening of the furnace core is circular; an air supply and ignition hole is formed in the furnace core; an air blocking barrel is sleeved outside the furnace core; the furnace core comprises a furnace core inner shell; a furnace core outer shell is sleeved outside the furnace core inner shell; refrac