Industrial boiler blow-down valve convenient to clean

• Main Author: BAO YONGSHENG
• Format: Patent
• Language: Chinese; English
• Published: 07.09.2021
• Subjects: ACTUATING-FLOATS; BLASTING; CLEANING; CLEANING IN GENERAL; 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; PREVENTION OF FOULING IN GENERAL; TAPS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VALVES; WEAPONS

The utility model discloses a blow-down valve convenient to clean for an industrial boiler, and relates to the technical field of blow-down valves. The check valve comprises a valve body, wherein the peripheral side surface of the top of the valve body is communicated with a connecting cavity; a valve plate is in sliding fit between the inner wall of the connecting guide cavity and the interior of the valve body; the peripheral side face of the bottom of the valve body communicates with a guide-out cavity. A cleaning frame is in sliding fit between the inner wall of the guiding-out cavity and the interior of the valve body. Transmission gears are rotationally connected to the two side walls of the top and the bottom in the valve body and located between the valve plate and the cleaning frame. The four transmission gears are all in meshing transmission with the valve plate and the cleaning frame. The valve plate is in meshing transmission with the transmission gear under the driving action of the threaded valv