Central heating boiler using straw bales as fuel - has doors which open to free whole cross section of chamber

摘要

Central heating boiler for heating with bales of straw has an easily removable door for the boiler, of the same shape and size as the cross section of a fire space of the boiler. The boiler can receive a door with oil heating, or with an automatic firing apparatus. Preferably there is an elongate, horizontal combustion chamber with an end closing easily removable doors which when opened, free the whole cross section of the chamber. An automatic fuel feedere may be built into the doors, and an oil burner, which may also be at the front side of an antechamber projecting outward on the doors.