Novel-structure lowest liquid level valve

• Main Authors: HE DEGANG, SONG ZHANGQI, LIU YI, WANG HU, YU DAHONG, XIA ZHIBIN
• Format: Patent
• Language: Chinese; English
• Published: 13.09.2019
• 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 utility model discloses a lowest liquid level valve with a novel structure. The one-way valve comprises a main valve part, an external pneumatic control water control assembly and a one-way stop unit. The main valve part comprises a valve body assembly and a water tank assembly. The valve body assembly comprises a valve rod, a valve body, a valve seat, a valve deck and a guide device. The water tank assembly comprises a tank cover, a tank body and a piston. A cylinder cavity is sealed among the lower surface of the cylinder cover, the inner side wall of the cover body and the guide device;the lower end of the valve rod detachably abuts against the upper end of the valve seat through a piston. A valve cavity is formed in the valve body and comprises an upper valve cavity body and a lower valve cavity body, the lower valve cavity body is detachably communicated with the lower cylinder cavity body through an external pneumatic control water control assembly, the upper cylinder cavitybody is communicated with