Novel hot blast stove

The utility model discloses a novel hot blast stove which comprises an igniter and a heat exchanger. The igniter comprises a hot air pipe, a fan and an ignition chamber; the ignition device is positioned at the bottom of the hot-blast stove; the ignition chamber is arranged below a hearth of the hot-blast stove; the bottom of the ignition chamber is closed, ventilation holes are formed in the side wall, and an upper opening is communicated with the hearth; an electric heater is arranged in the hot air pipe; the heat exchanger comprises an upper air return cavity and a lower air return cavity; the upper air return cavity and the lower air return cavity are respectively provided with a cover plate; the upper air return cavity and the lower air return cavity are respectively provided with a partition plate; the cover plate is in contact connection with the partition plate to form an air return duct; air return ducts of the upper air return cavity and the lower air return cavity are communicated in a staggered mo