Haolunko Chemical has obtained a patent for a device that facilitates the sulfonation reaction using sulfur trioxide

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Haolunko Chemical has been granted a patent for a device that facilitates the sulfonation reaction using sulfur trioxide; the sulfuric acid produced by this device enables an improvement of up to 20% in the efficiency of the reaction. According to information from the Intellectual Property Office, Shanxi Haolunko Chemical Co., Ltd. has obtained a patent titled “A Device for Facilitating Sulfonation Reactions Using Sulfur Trioxide”, with the approval number CN223221471U. The application was submitted in July 2024. The patent abstract indicates that this utility model relates to the field of chemical production equipment, and it discloses a device for facilitating the sulfonation reaction using sulfur trioxide. This device includes a 98% acid storage tank and a refined naphthalene storage tank; a film-cooling unit is connected to both of these tanks. The outlet of the film-cooling unit is connected to the sulfonation reactor, while the bottom outlet of the sulfonation reactor is connected to a metering tank for the sulfonation solution. This metering tank is connected to a neutralization reactor, which in turn is connected to a capture tank via a Roots blower. The outlet of the capture tank is connected to the tubes inside the atmospheric-pressure contact chamber. The outlet of these tubes is connected to the top inlet of the atmospheric-pressure contact chamber, while the bottom outlet of this chamber is connected to an absorption tower. A first branch pipe is attached to the spray pipe at the top of the absorption tower. The bottom outlet of the absorption tower is connected to an intermediate tank, which is in turn connected to the top inlet of the sulfonation reactor. According to Tianyancha, Shanxi Haolunke Chemical Co., Ltd. was established in 2017 and is located in Yuncheng City; it is a company that specializes in the manufacturing of chemical raw materials and chemical products. The registered capital of the enterprise is 100 million RMB. According to the big data analysis conducted by Tianyancha, Shanxi Haolunke Chemical Co., Ltd. has made investments in 1 company in total, participated in 169 bidding projects. In terms of property-related information, it possesses 17 trademark records and 121 patent records; additionally, the company holds 43 administrative licenses.