Novel melting furnace door lifting device

• Main Authors: LIU JIANHUI, DONG CHUNCHAO, WANG YIBIN
• Format: Patent
• Language: Chinese; English
• Published: 19.06.2020
• Subjects: BLASTING; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE; FURNACES; HEATING; KILNS; LIGHTING; MECHANICAL ENGINEERING; OVENS; RETORTS; WEAPONS

A novel melting furnace door lifting device is characterized in that a lower supporting plate and an upper limiting plate are fixed on a furnace body, a frame plate strip hole is formed in a door frame plate, a furnace door shaft is inserted into the frame plate strip hole, rollers are mounted at the upper and lower ends of the door frame plate, the rollers at the lower end of the door frame platepress the lower supporting plate, and the rollers at the upper end of the door frame plate lean below the upper limiting plate; a heat insulation baffle is fixed to the portal plate, the side of theheat insulation baffle is fixed to a pushing air cylinder, and the moving direction of the pushing air cylinder faces the furnace body. One end of the lifting rope is fixed on the furnace door, the other end of the lifting rope is fixed on a piston rod of the lifting cylinder, the pulley is mounted on the furnace door frame, and the lifting rope is tensioned on the pulley. When the furnace door islifted, the furnace door i