Apparatus for blending chemicals with a reversible multi-speed pump
    3.
    发明授权
    Apparatus for blending chemicals with a reversible multi-speed pump 失效
    化学品与可逆式多速泵混合的装置

    公开(公告)号:US5340210A

    公开(公告)日:1994-08-23

    申请号:US841977

    申请日:1992-02-25

    摘要: An apparatus for mixing or blending chemicals includes a dedicated pump for each type of chemical to be blended, such as one pump for water-based chemicals and another pump for oil-based chemicals. Each pump preferably operates in a fast speed when delivering the majority of a particular chemical into a vending vat. When the desired amount of a chemical has almost been pumped into the vat, the pump switches to a slower speed to add the remaining amount. Then, the pump is reversed to clear the chemical from the line so that another similarly based chemical can be pumped through the line into the vat.

    摘要翻译: 用于混合或混合化学品的装置包括用于每种类型的待混合化学品的专用泵,例如一种用于水性化学品的泵,另一种用于油性化学品的泵。 当将大部分特定化学品输送到自动售货槽中时,每个泵优选以快速的速度操作。 当所需量的化学品几乎被泵送到大桶中时,泵转换到较慢的速度以添加剩余量。 然后,泵反向以从管线中清除化学品,使得另一类似基础的化学品可以通过管线被泵入槽中。