Condensation type gas-fired hot water boiler

• Main Authors: LIU PENGGUO, XU LIANFENG, SHAO XINHONG
• Format: Patent
• Language: Chinese; English
• Published: 30.09.2022
• Subjects: BLASTING; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

A water inlet flange and a water outlet flange are arranged on a boiler body, a water collecting cavity communicated with the water inlet flange is formed in the boiler body, a plurality of heat exchange pipes are connected to a water outlet of the water collecting cavity, a heat insulation plate connected with the ends of the heat exchange pipes is further arranged in the boiler body, and a filter plate is arranged in the boiler body. A moving mechanism is arranged on the filter plate, and a cleaning mechanism is arranged in the furnace body and located on one side of the filter plate. According to the utility model, the filter plate filters heated water and discharges the water through the water outlet flange, when the water heater is not used, the blow-off pipe is opened, the limiting block is pushed to move to a required position, then the nut is held, the position of the blow-off pipe is fixed, and the limiting block drives the filter plate through the sleeve to push impurities to the blow-off pipe to be