High-temperature wear-resistant large-diameter gate valve

• Main Authors: LIU SUHUA, JIANG DEQING, ZHANG DONGXI
• Format: Patent
• Language: Chinese; English
• Published: 25.07.2023
• 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 utility model relates to the technical field of cut-off valves, in particular to a high-temperature wear-resistant large-diameter gate valve which comprises a bottom frame, bearing blocks are fixedly connected to two ends of the bottom of the bottom frame, steering rollers are connected to two ends of the bottom of each bearing block, a valve seat is connected to the inner wall of the bottom frame, and a water inlet pipe is fixedly connected to the center of one side of the inner wall of the valve seat. The top end of the inner wall of the water inlet pipe is connected with an insertion pipe, the bottom end of the inner wall of the insertion pipe is connected with a filter screen, the top of the insertion pipe is fixedly connected with a first flange, and the top of the valve seat is connected with a top box. And the wear-resistant sleeve is arranged on the outer wall of the flashboard, so that the wear-resistant effect of the flashboard can be greatly improved, the service life of the whole flashboard ca