Low-temperature storage tank

• Main Authors: WANG XUEFEI, LU JIANGFENG, NI TONGYING, ZHU GUOZHONG, ZHOU MENGYA, SHI XICHANG, XUE LIN, GU CHUNHU
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• 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 provides a low-temperature storage tank which comprises a tank body which comprises an inner tank used for storing cryogenic liquid and an outer tank wrapping the inner tank, and a vacuum interlayer is formed between the inner tank and the outer tank. A through hole is formed in the outer tank in a penetrating manner; the heat preservation cylinder is a hollow shell; the heat preservation cylinder is connected to the outer surface of the outer tank and covers the through hole, the interior of the heat preservation cylinder is communicated with the vacuum interlayer through the through hole, and the heat preservation cylinder extends out in the direction away from the outer tank; the liquid discharge pipe extends into the vacuum interlayer through the through hole and is communicated with the liquid phase space of the inner tank; the end, located on the outer side of the outer tank, of the liquid discharging pipe is contained in the heat preservation cylinder. The heat preservation cylinder a