Steam preheating type energy-saving condenser

The utility model discloses a steam preheating type energy-saving condenser, which belongs to the technical field of condensers, and comprises a shell, a condensing pipe is arranged in the shell, a fixing ring is fixed on the outer side of the shell, through holes are uniformly formed in the top of the fixing ring, baffles are symmetrically arranged in the through holes, and the baffle plates are arranged in the through holes. A sealing cover is arranged at the top of the shell, T-shaped blocks are evenly arranged at the bottom of the sealing cover, limiting grooves are evenly formed in the outer side of the sealing cover, and an outer ring is fixed to the outer side of the fixing ring. The T-shaped block at the bottom of the sealing cover is aligned with the through opening and is inserted into the through opening, then the sealing cover is rotated to enable the T-shaped block to be clamped at the bottom of the baffle, the adjusting ring is rotated to enable the conical ring to move upwards and push the inse