Boiler

• Main Authors: HAN XIUPEI, MA QI, LIU JIYU, HOU SENBAO, MA ZHIMIN, WEN XUE, XU CHUNMEI, GAO CHAOHUA, WU JILIN, ZHU YIXUN, CHEN RUIJUN
• Format: Patent
• Language: Chinese; English
• Published: 07.07.2023
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODS OF STEAM GENERATION; STEAM BOILERS; STEAM GENERATION; WEAPONS

The utility model relates to the technical field of boilers, in particular to a boiler which comprises a boiler outer barrel and a boiler inner barrel which are a main body of the boiler. Supporting legs are fixedly arranged on the periphery of the bottom of the boiler outer barrel. The manhole mechanism is arranged below the outer surface of the boiler outer barrel; and the air outlet is formed in one side of the top of the boiler outer barrel in a penetrating manner. According to the manhole cover, the defects in the prior art are overcome, the elastic cushion and the jacking cushion are arranged, when the manhole is closed, the jacking cushion with the periphery arranged in a step shape is jacked between the manhole seat and the manhole cover, so that air tightness can be enhanced, the diameter of the elastic cushion is larger than the inner diameter of the manhole seat, and the elastic cushion is located between the manhole cover and the manhole seat; the manhole cover can extrude the elastic cushion afte