Large high-temperature double-seal flue gas valve for waste heat power generation

• Main Authors: XU ZHIXIANG, WU YOUHUAN, XU HONGLIN, CHEN XUEQUAN, XU YOUSONG
• Format: Patent
• Language: Chinese; English
• Published: 18.05.2018
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The invention discloses a large high-temperature double-seal flue gas valve for waste heat power generation. The large high-temperature double-seal flue gas valve comprises a valve body, valve plates,valve shafts, crank connecting rods, a sealing device, driving devices and a control device. The valve body is mounted on a flue gas pipeline; a partition plate is arranged in the valve body; one ends of the valve plates are hinged to the partition plate; the sealing device is arranged between the partition plate and the valve plates; the valve shafts penetrate through the valve body, one ends ofthe valve shafts are connected with the driving device, and the other ends of the valve shafts are connected to one ends of the crank connecting rods; the other ends of the crank connecting rods arehinged to the valve plates; the control device is connected with the driving devices; and the driving devices drive open-close adjustment of the valve plates through the valve shafts. The flue gas valve is large in opening diam