Heating system of self-return soda ash steam heating calcining furnace

The utility model relates to a heating system of a self-return soda ash steam heating calcining furnace and in particular to a heating system of a self-return soda ash steam heating calcining furnace with a diameter phi of 3 m. The heating system of the self-return soda ash steam heating calcining machine is composed of a heating pipe, a small non-condensable gas discharge pipe, a cake-shaped steam chamber, a gas gathering annular pipe vent valve, a condensed water drain pipe and a steam chamber air inlet pipe, wherein the cake-shaped steam chamber is internally provided with a steam inlet, a condensed water outlet and a steam chamber water storage cavity; one end of the steam chamber air inlet pipe is opened at the steam air inlet while the other end of the steam air inlet pipe is opened at the cake-shaped steam chamber; the condensed water outlet is communicated with the steam chamber water storage cavity through the condensed water drain pipe; one end of the heating pipe is connected with the cake-shaped s