Hydraulic transmission loop for mechanical lifting of furnace bottom of large heating furnace

• Main Authors: JI JINFEI, FENG YONGQIANG, GONG YIFEI
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2024
• Subjects: BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS

The utility model provides a hydraulic transmission loop for mechanical lifting of a furnace bottom of a large heating furnace, which relates to the technical field of hydraulic control and comprises a lifting control valve group and a lifting oil cylinder group. The lifting control valve group comprises an oil path plate, and a first direction cartridge valve, a second direction cartridge valve, a third direction cartridge valve, a high-flow electro-hydraulic proportional valve, a pressure cartridge valve and a second electromagnetic directional valve which are mounted on the oil path plate; the lifting oil cylinder set comprises a left lifting oil cylinder and a right lifting oil cylinder, at least one of the left lifting oil cylinder and the right lifting oil cylinder is provided with a displacement sensor, and the displacement sensor is in communication feedback control connection with the large-flow electro-hydraulic proportional valve. The lifting oil cylinder set further comprises a left hydraulic cont