Low-pressure high-thrust burner capable of improving clinker strength

The utility model relates to the technical field of combustors for cement clinker production, in particular to a low-pressure high-thrust combustor capable of improving clinker strength, which comprises a combustor and a fan, an air inlet pipe is arranged on the combustor, a fixing box is arranged between the air inlet pipe and the fan, an assembly groove is arranged on one side of the fixing box, and the air inlet pipe is arranged in the assembly groove. An air inlet pipe is arranged at the output end of the draught fan, an assembling groove is formed in the top end of the assembling groove and communicates with the air inlet pipe, an air outlet pipe is arranged between the output end of the draught fan and the assembling groove, a butt joint groove is formed in the outer side of the air outlet pipe, a fastening groove is formed in the top end of the assembling groove, air is supplied to the air inlet pipe independently through the draught fan, high-thrust air supply can be carried out on the combustor, and