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    • 10. 发明公开
    • VERFAHREN UND ANLAGE ZUR HERSTELLUNG EINES BINDEMITTELSCHAUMS FÜR DIE ASPHALTHERSTELLUNG
    • VERFAHREN UND ANLAGE ZUR HERSTELLUNG EINES BINDEMITTELSCHAUMSFÜRDIE ASPHALTHERSTELLUNG
    • EP2931840A1
    • 2015-10-21
    • EP12805561.3
    • 2012-12-12
    • Ammann Schweiz AG
    • BIEDER, AndreaWÄLCHLI, Fritz
    • C10C3/00E01C19/02E01C19/45C08L95/00
    • C08J9/28B05B7/0018B05B7/0075C08J9/125C08J2395/00C08L95/00C08L2555/22C08L2555/24C08L2555/52
    • The invention relates to a method for producing a binder foam for producing asphalt. In a pressurized stream of heated binder, preferably bitumen, a liquid, which has a lower evaporation temperature under atmospheric pressure than the temperature of the heated binder stream, preferably water, is injected at an angle (α) of greater than 90° relative to the flow direction (S) of the binder stream such that a pressurized mixture stream of the binder with drops of liquid distributed therein or with drops of liquid distributed therein and vapor bubbles resulting from said drops is provided downstream of the injection point (D). The pressure of said mixture stream is then decreased, preferably to the atmospheric pressure, whereby the binder is foamed as a result of an evaporation of the drops of liquid contained in the binder and/or as a result of the expansion of the vapor bubbles resulting from the drops of liquid.
    • 本发明涉及生产沥青生产粘合剂泡沫的方法。 在加热粘合剂的加压流中,优选沥青,在大气压下具有比加热的粘合剂流(优选水)的温度更低的蒸发温度的液体相对于以下的角度(α)以大于90°的角度(α)注入 粘合剂流的流动方向(S),使得粘合剂的加压混合物流与分散在其中的液体滴或其中分布的液体滴和由所述液滴产生的蒸汽气泡提供在喷射点(D)的下游。 然后将所述混合物流的压力降低,优选降低到大气压,由此由于粘合剂中所含液体的蒸发蒸发和/或由于蒸汽气泡的膨胀而使粘合剂发泡 从液滴。