Exhaust gas recovery device of liquid nitrogen storage tank

• Main Authors: HUO ZHENZHONG, LYU ZEFENG
• Format: Patent
• Language: Chinese; English
• Published: 29.09.2023
• Subjects: BLASTING; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; HEATING; LIGHTING; MECHANICAL ENGINEERING; STORING OF DISTRIBUTING GASES OR LIQUIDS; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES; WEAPONS

The utility model discloses an exhaust recovery device of a liquid nitrogen storage tank, which relates to the field of liquid nitrogen recovery, and comprises a first conduit and a second conduit, the first conduit and the second conduit are both of a semicircular structure, the first conduit and the second conduit are provided with clapboards which are attached to each other, the clapboards are provided with limiting grooves which are symmetrical up and down, and the limiting grooves are matched with the first conduit and the second conduit. Limiting grooves are formed in the first guide pipe and the second guide pipe, the forming directions of the limiting grooves in the first guide pipe and the second guide pipe are opposite, a first fastener is installed in the limiting groove in the first guide pipe, and a second fastener is installed in the limiting groove in the second guide pipe. The two guide pipes do not interfere with each other, one guide pipe is used for injecting gas, the other guide pipe is us