Anhui Chengtai Chemical Has Obtained a Patent for an Automated Acid Sludge Separation Device for the Production of Dineonyl Naphthalene Sulfonic Acid
Release time:
2025-06-28
On June 28, 2025, according to information from the National Intellectual Property Administration, Anhui Chengtai Chemical Technology Co., Ltd. was granted a patent titled “Automatic Acid Residue Separation Device for the Production of Dineonyl Naphthalene Sulfonic Acid,” with authorization announcement number CN223027279U and an application date of September 2024.
On June 28, 2025, according to information from the National Intellectual Property Administration, Anhui Chengtai Chemical Technology Co., Ltd. was granted a patent titled “Automatic Acid Residue Separation Device for Dihexyl Naphthalene Sulfonic Acid Production,” with authorization announcement number CN223027279U and an application date of September 2024.
The patent abstract discloses an automated acid–slag separation device for the production of dilauryl naphthalene sulfonic acid, comprising a reaction kettle, a discharge pipe, and a slag discharge pipe. The inlet end of the discharge pipe is centrally located on the side wall of the reaction kettle, and along the pipeline extending outside the reaction kettle, a manual valve, an online densitometer, and a solenoid valve one are sequentially installed. The slag discharge pipe is mounted at the bottom of the reaction kettle, with a solenoid valve two and an online flowmeter installed in sequence along the pipe. A proximity switch is mounted at the top of the inner wall of the fixed sleeve. This utility model uses a controller to automatically regulate the sequential and pipeline‑specific discharge of materials and acid slags via the discharge pipe and the slag discharge pipe, preventing mixing during discharge and thereby addressing the issue that the material–slag separation point in the production process of dilauryl naphthalene sulfonic acid is difficult to control manually, leading to material waste and quality fluctuations. This ensures stable product quality. Furthermore, multiple reaction kettles can perform acid–slag separation operations simultaneously, reducing the number of operating personnel and helping the company lower labor costs.
According to data from Tianyancha, Anhui Chengtai Chemical Technology Co., Ltd. was founded in 2017 and is headquartered in Xuancheng City. The company primarily engages in the manufacturing of chemical raw materials and chemical products. Its registered capital stands at 70 million RMB. Based on big data analysis by Tianyancha, Anhui Chengtai Chemical Technology Co., Ltd. has participated in three bidding projects and holds 16 patent filings; in addition, the company has obtained 24 administrative licenses.
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