Liquid nitrogen direct injection and foaming intelligent filling system based on mine fire area characteristics and application method

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United States of America Patent

PATENT NO 12098640
APP PUB NO 20240125234A1
SERIAL NO

18533005

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Abstract

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The present invention relates to the technical field of mine fire prevention and extinguishing, in particular to a liquid nitrogen direct injection and low-temperature foaming intelligent filling system based on mine fire area characteristics and an application method, comprising a liquid nitrogen storage tank, a liquid nitrogen direct injection system and a low-temperature foaming system, wherein the liquid nitrogen storage tank communicates with a liquid nitrogen pressurizing device through a main pipeline; a temperature control unit is arranged on the main pipeline; and the liquid nitrogen pressurizing device is connected with the liquid nitrogen direct injection system and the low-temperature foaming system, respectively, liquid nitrogen is directly injected into a foam liquid, to prepare a low-temperature foam type fire preventing and extinguishing material by means of forced convection, membrane boiling, explosion boiling and nucleate boiling between the liquid nitrogen and water.

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Patent Owner(s)

Patent OwnerAddress
SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY266590 QIANWANGANG ROAD 579 AUTOMATION COLLEGE QINGDAO ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE SHANDONG PROVINCE QINGDAO CITY SHANDONG PROVINCE 266590

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cai, Chuncheng Shanghai, CN 1 0
Guo, Liwen Tangshan, CN 3 9
Hu, Xiangming Qingdao, CN 5 0
Li, Peng Shenyang, CN 915 8951
Shao, Wenqi Wuhai, CN 7 209
Wang, Fusheng Tangshan, CN 9 198
Wang, Wei Shenyang, CN 2815 17926
Wang, Weidong Shenyang, CN 86 497
Wu, Kuibin Shanghai, CN 1 0
Xue, Di Qingdao, CN 23 35
Yao, Xiangdong Shanghai, CN 1 0
Zhou, Yong Wuhai, CN 177 1511
Zhu, Lin Shanghai, CN 183 1022

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