Multi-stage sealing device for fire grate push rod of garbage incinerator

• Main Authors: CHEN MIN, FAN GUOMING, LI XIAODONG, LIN GUI, QU XUBING
• Format: Patent
• Language: Chinese; English
• Published: 04.10.2022
• Subjects: BLASTING; CLEANING OR RAKING GRATES; COMBUSTION APPARATUS; COMBUSTION PROCESSES; CONSUMING WASTE PRODUCTS BY COMBUSTION; CREMATION FURNACES; CYLINDERS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GRATES; HEATING; LIGHTING; MECHANICAL ENGINEERING; PISTONS; SEALINGS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model provides a multistage sealing device for a fire grate push rod of a garbage incinerator, which comprises a sealing cover and a sealing mechanism, the sealing cover is arranged at the opening of the incinerator and provided with a through hole, the sealing mechanism is matched with the fire grate push rod and fixedly arranged on the through hole, a secondary sealing cover matched with the opening of the incinerator is further arranged in the sealing cover, and the secondary sealing cover is fixedly arranged on the opening of the incinerator. The second-stage sealing cover divides the interior of the sealing cover into a second-stage sealing cavity and an air sealing cavity, the second-stage sealing cover is provided with a second-stage through opening which is coaxial with the through opening and is communicated with the second-stage sealing cavity and the air sealing cavity, the cavity wall, communicated with the air sealing cavity, of the sealing cover is provided with a sealing air opening