Eccentric butterfly valve

• Main Authors: WU SHAOHUA, WU SHAOXIONG, ZHANG SUNDIAN, HONG HUABIN, WANG JINLIANG
• Format: Patent
• Language: Chinese; English
• Published: 09.04.2024
• 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; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TAPS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VALVES; WEAPONS

The eccentric butterfly valve comprises a valve body, a valve cover arranged on the valve body, a water inlet channel and a water outlet channel which are formed in the valve body, a butterfly plate arranged in the valve body, a fixed disc and a rotating disc, a valve rod used for turning over the butterfly plate is arranged on the valve body, the fixed disc and the rotating disc are arranged on the water inlet channel, and the rotating disc is located behind the fixed disc. A fluid channel penetrating through the fixed disc and the rotating disc is formed in the fixed disc and the rotating disc, a filter screen used for filtering impurities is arranged on the rotating disc and located in the fluid channel, and a sliding channel is formed between the fixed disc and the rotating disc and extends into the inner wall of the water inlet channel; an upper sealing plate and a lower sealing plate which are used for blocking the fluid channel are arranged in the sliding channel, and a sliding device used for driving