The utility model provides a heat energy collection type wood kiln, relates to a kiln that is used for burning the potting porcelain, including combustion chamber, furnace, chimney, combustion chamber and furnace between be connected through passageway I, be connected through passageway II between furnace and the chimney, the chimney still retrieve the passageway through ashes and be connected with the combustion chamber, be provided with the U -shaped pipe in this chimney, the entrance point of U -shaped pipe is provided with the air -blower, the exit end that the U -shaped was managed is connected in ashes recovery passageway. U -shaped tubular product matter be stainless steel or carbon steel. The utility model has the characteristics of loss heat recovery recycles, the ashes rate of utilization is high, the temperature is high, production efficiency is high, low in production cost, simple structure, convenient operation, easily use widely.