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For the conditions of the pickling department of the cold rolling shop of PJSC “Zaporizhstal” (Zaporizhzhia, Ukraine), which switched to salt-acid etching of metal. The use of double-sided suction cups is proposed for the removal of the generated aerosols from the process baths. The effectiveness of the system for capturing acid vapors in the conditions of the pickling department with the help of installing a mist catcher was analyzed. It is shown that for the conditions of the pickling department of the cold rolling shop, the amount of air that is removed with the help of on-board suction devices is determined depending on the size of the pickling bath; the level of filling with hydrochloric acid in the pickling bath; air mobility in the shop premises and the temperature difference between the solution and the environment. The expediency of returning acid vapors in the form of pickling solutions to metallurgical production is shown.

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The Research of the Influence of the Parameters of Metal Pickling Units and the Design of On-Board Extractors on the Features of Acid Vapor Disposal

  • 会议论文

  • 发表日期：

    2025年

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  • Oksana Vodennikova,
  • Sergii Vodennikov,
  • Volodymyr Horobets,
  • Sergiy Sheyko,
  • Larysa Vodennikova,
  • Evgen Parahnevich

摘要

For the conditions of the pickling department of the cold rolling shop of PJSC “Zaporizhstal” (Zaporizhzhia, Ukraine), which switched to salt-acid etching of metal. The use of double-sided suction cups is proposed for the removal of the generated aerosols from the process baths. The effectiveness of the system for capturing acid vapors in the conditions of the pickling department with the help of installing a mist catcher was analyzed. It is shown that for the conditions of the pickling department of the cold rolling shop, the amount of air that is removed with the help of on-board suction devices is determined depending on the size of the pickling bath; the level of filling with hydrochloric acid in the pickling bath; air mobility in the shop premises and the temperature difference between the solution and the environment. The expediency of returning acid vapors in the form of pickling solutions to metallurgical production is shown.