Air preheater with anti-blocking filtering function

• Main Authors: XU QIANG, JI YEMING
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: AIR SUPPLY; BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; DRAUGHT-INDUCING; FLUES; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES; SEPARATION; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS; TRANSPORTING; WEAPONS

The utility model relates to the technical field of air pre-heaters, in particular to an air pre-heater with anti-blocking and filtering functions, which can effectively prevent dust blockage in a steel pipe, avoid influence on heat conduction efficiency of a thin-wall steel pipe and enable dust to be cleaned more conveniently. Comprising a preheating box, a plurality of sets of thin-wall steel pipes are arranged in the preheating box in a left-right communicating mode, two sets of sliding ways are arranged in a smoke inlet hopper in an up-down symmetrical connection mode, and the device further comprises a frame, a cover plate, a dust filtering plate, four sets of plug pins, two sets of fixing bases, two sets of rotating frames and two sets of lead screws. The two sets of fixing bases are fixedly installed on the tobacco inlet pipe in a vertically symmetrical mode, the two sets of rotating frames are rotationally installed on the two sets of fixing bases respectively, the two sets of lead screws are screwed