Combustion furnace end and combustion furnace

The invention relates to the technical field of combustion furnaces, in particular to a combustion furnace end and a combustion furnace. The combustion furnace end comprises a furnace end body and a combustor assembly. An end plate is arranged at one end of the furnace end body, and a connection plate used for being connected with a combustion chamber is arranged at the other end of the connection plate. The end plate is provided with the horizontally arranged combustor assembly. A taper sleeve with an opening facing the interior of the furnace end body is arranged at the end, facing the interior of the furnace end body, of the combustor assembly. A plurality of through holes are formed in the outer wall of the taper sleeve. A heating cover coaxial with the combustor assembly is arranged inside the furnace end body. A supporting frame is arranged below the heating cover. A gap is reserved between the end, close to the end plate, of the heating cover and the end plate. The taper sleeve is sleeved with the heat