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    • 2. 发明授权
    • 플라스틱 선별방법
    • 플라스틱선별방법
    • KR100404551B1
    • 2003-11-05
    • KR1020017005957
    • 1999-11-15
    • 히다치 조센 가부시키가이샤
    • 마에하타히데히코이노우에테츠야츠카하라마사노리타마코시다이수케
    • B03C7/02
    • B29B17/02B03C7/006B03C7/06B29B2017/0203B29B2017/0265B29K2023/06B29K2023/12B29K2025/00B29K2027/06B29K2067/00Y02W30/527Y02W30/622
    • When plastic pieces of plural different types of resins fed into a hopper are agitated to be triboelectrically charged, the plastic pieces are not imparted with sufficient amounts of charges or proper polarities which are required for separation of the plastic pieces if there are great differences in quantity between the different types of plastic pieces. This makes it impossible to properly separate the plastic pieces. Where the amount of pieces of a particular plastic to be separated is small, pieces of the particular plastic are additionally fed as a triboelectrification agent into a triboelectric charger (3) and agitated with the plastic pieces. Thus, different types of plastic pieces (1) (e.g., PVC and PE) are prevented from being imparted with the same polarity and are imparted with different amounts of charges, so that the separation can assuredly be carried out in an electrostatic separating section (G) for recovery of the particular plastic pieces.
    • 当喂入料斗的多种不同类型树脂的塑料片被搅动以摩擦带电时,如果塑料片的数量差别很大,则不给塑料片充分量的电荷或塑料片分离所需的合适的极性 在不同类型的塑料件之间。 这使得无法正确分离塑料件。 在要分离的特定塑料片数量少的情况下,特定塑料片另外作为摩擦起电剂进入摩擦带电装置(3)中,并与塑料片一起搅拌。 因此,防止了不同类型的塑料件(1)(例如PVC和PE)被赋予相同的极性并且被赋予不同量的电荷,使得可以确定地在静电分离部分中进行分离( G)用于回收特定的塑料件。 <图像>