Automatic pressure relief device of steam boiler

• Main Authors: XU MINGPEI, MENG TAO, MENG YONG, XU FENGJIAN
• Format: Patent
• Language: Chinese; English
• Published: 07.07.2023
• 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; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The invention discloses an automatic pressure relief device of a steam boiler. The automatic pressure relief device comprises a valve body, an external thread connector, a valve cover, a valve element, an electromagnet, a pole shoe, pole teeth, magnetic liquid, a backing ring and an air outlet. The automatic pressure relief device of the steam boiler comprises a valve body, an external thread connector is arranged at the bottom of the valve body, the external thread connector corresponds to and is matched with an internal thread connector, a valve cover is fixedly installed at the top of the valve body through a bolt, a counter bore for the bolt to penetrate through is formed in the valve cover, and a threaded hole for threaded connection of the bolt is formed in the valve body. A valve element inserted into the valve body is fixedly connected to the middle of the bottom face of the valve deck, an electromagnet is arranged in the valve body, pole shoes are symmetrically and fixedly connected to the two sides