Jin Haisheng has obtained a patent for the device used to produce inerting gas for styrene storage tanks, which significantly reduces production costs and the space required

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Jin Haisheng has obtained a patent for a device for producing inerting gas used in styrene storage tanks, which significantly reduces production costs and the space required. According to information from the Intellectual Property Office dated August 20, 2025, Qingdao Jin Haisheng Environmental Protection Equipment Co., Ltd. has been granted a patent titled “A Device for Producing Inerting Gas Used in Styrene Storage Tanks”; the approval number is CN223242547U, with the application date being November 2024. The patent abstract indicates that this utility model falls within the field of environmental protection equipment technology, and relates to a device for generating inerting gas used in styrene storage tanks. It includes an air pipeline system (1), a nitrogen pipeline system (2), a gas static mixer (3), and an inerting gas pipeline system (4). It also comprises a control system (5). A first pneumatic control valve (13) is installed on the air pipeline system (1), a second pneumatic control valve (23) is installed on the nitrogen pipeline system (2), and an oxygen content analyzer (43) is installed on the inerting gas pipeline system (4). The first pneumatic control valve (13), the second pneumatic control valve (23), and the oxygen content analyzer (43) are all connected to the control system (5). It has advantages such as a simple structure, small equipment size, and easy operation, which greatly reduces production costs and floor space requirements. According to Tianyancha data, Qingdao Jinhaisheng Environmental Protection Equipment Co., Ltd. was established in 2004 and is located in Qingdao; it is a company that specializes in the manufacturing of specialized equipment. The registered capital of the company is 55 million RMB. According to the big data analysis provided by Tianyancha, Qingdao Jinhaisheng Environmental Protection Equipment Co., Ltd. has invested in 1 company in total and participated in 45 bidding projects. In terms of property-related information, it has 2 trademark records and 61 patent records; furthermore, the company holds 13 administrative licenses.