Zhejiang Petrochemical Co., Ltd.’s patent for “a filtering system suitable for petrochemical plants and an online cleaning method”
Thread Content
According to information from the Intellectual Property Office as of August 9, 2025, Zhejiang Petrochemical Co., Ltd. has filed a patent application titled “A filtering system suitable for petrochemical plants and an online cleaning method,” with the publication number CN120437700A; the application was submitted in March 2025. The patent abstract indicates that the present invention provides a filtering system and an online cleaning method suitable for petrochemical plants; it falls within the field of filtration technology. The system includes at least one filter, which comprises a vertical filtering cylinder containing a filtering chamber. On the wall of this filtering chamber, there are supports, as well as a first pipe port, a second pipe port, a third pipe port, a fourth pipe port, a fifth pipe port, and a sixth pipe port ； Raw material feed channel connected to the first nozzle ； The purification material discharge channel, raw material discharge channel, and first nitrogen channel that are connected to the second outlet ； Residual material discharge channel and waste recovery channel connected to the third port ； Overflow channel connected to the fourth nozzle ； Second nitrogen channel connected to the fifth port ； A clean water channel connected to the sixth nozzle. According to Tianyancha, Zhejiang Petrochemical Co., Ltd. was established in 2015 and is located in Zhoushan City; it is a company that is primarily engaged in the processing of petroleum, coal, and other fuels. The registered capital of the enterprise is 588,000 million RMB. According to the big data analysis conducted by Tianyancha, Zhejiang Petrochemical Co., Ltd. has made investments in 13 companies in total, and has participated in 1,342 bidding projects. In terms of property-related information, there are 2 trademark records and 301 patent records; additionally, the company holds 589 administrative licenses.
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