Automated air filtration and drying system for waterborne paint and industrial coatings

  • US 5,970,625 A
  • Filed: 06/24/1997
  • Issued: 10/26/1999
  • Est. Priority Date: 09/24/1993
  • Status: Expired due to Fees
First Claim
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1. A method of using recycled air to dry a product coated with a waterborne coating, said method comprising the steps of:

  • enclosing said product in a drying booth;

    exhausting a contaminated, moist air from said drying booth;

    filtering said contaminated, moist air to create a filtered, moist air;

    dehumidifying said filtered, moist air to create a filtered, dry air, wherein said dehumidifying step includes the steps of;

    cooling said filtered, moist air with an evaporator thereby removing moisture therefrom to create a filtered, cool, dry air;

    reheating said filtered, cool, dry air with a reheat coil to create a MN filtered, MN dry air;

    returning said filtered, dry air to said drying booth wherein said filtered, dry air can absorb moisture and contaminants from said product coated with a waterborne coating; and

    repeating the above steps until said product coated with said waterborne coating is substantially dry.

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