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    • 3. 发明授权
    • Method and apparatus for the production of asphalt concrete
    • 沥青混凝土生产方法和设备
    • US4579458A
    • 1986-04-01
    • US486290
    • 1983-03-28
    • Karl G. Ohlson
    • Karl G. Ohlson
    • C04B26/26E01C19/10B28C7/04
    • E01C19/104C04B26/26E01C19/1013E01C19/1059E01C19/1068
    • In the batchwise production of asphalt concrete only such aggregate is utilized, as comprises a coarse-grained portion, a fine-grained portion and a filler portion. The coarse-grained portion and the bituminous binder used are mixed in a mixer, and the filler portion is added to the mixer in such a way that it is has been taken up by and suspended in the binder film deposited on the coarse-grained portion before the free particles on the fine-grained portion are added. In such a way the thickness of the binder film and the capability thereof to take up the particles of the fine-grained portion are increased so that also said particles are coated with and suspended in the binder.An apparatus for carrying the production process into effect has a control device (30) to ensure that the binder film deposited on the particles of the coarse-grained portion has taken up the particles of the filler portion and has thereby obtained the desired thickness and viscosity before the free particles of the fine-grained portion are supplied.
    • PCT No.PCT / SE82 / 00258 Sec。 371日期1983年3月28日 102(e)1983年3月28日PCT提交1982年8月13日PCT公布。 出版物WO83 / 00700 1983年3月3日。在分批生产沥青混凝土中,仅使用这种骨料,包括粗粒部分,细粒部分和填料部分。 所使用的粗粒部分和沥青粘合剂在混合器中混合,并且将填料部分加入到混合器中,使得其被吸收并悬浮在沉积在粗粒部分上的粘合剂膜中 之后添加细粒部分上的游离颗粒。 以这种方式,增加了粘合剂膜的厚度以及其占据细粒部分的颗粒的能力,使得所述颗粒也被涂覆并悬浮在粘合剂中。 一种用于承载生产过程的装置具有控制装置(30),以确保沉积在粗粒部分的颗粒上的粘合剂薄膜已经吸收了填料部分的颗粒,从而获得了所需的厚度和粘度 在提供细粒部分的游离颗粒之前。