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    • 1. 发明授权
    • Apparatus for purifying copper phthalocyanine pigment
    • 铜酞菁颜料的净化装置
    • US4615868A
    • 1986-10-07
    • US425784
    • 1982-09-28
    • Matthew K. L. WongRodney G. SchroederThomas E. Donegan
    • Matthew K. L. WongRodney G. SchroederThomas E. Donegan
    • B01D29/60B01D35/18C09B67/00C09B67/54G05D7/00
    • C09B67/0096B01D29/606B01D35/18C09B67/0032
    • An apparatus for purifying copper phthalocyanine pigment in a continuous process without the use of acid. This apparatus comprises a container for preparing a slurry of said pigment in water, a pump and a conduit for conducting the slurry from the container to the inlet of the pump, a first heating apparatus capable of heating the slurry to a temperature of at least about 75.degree. C., a conduit for conducting the slurry from the pump to the first heating apparatus, a thin film pressure filter, and a conduit for conducting the slurry from the first heating apparatus to the thin film pressure filter. The apparatus is arranged such that the temperature of the slurry passing through the thin film pressure filter is close to the exit temperature of the slurry from the first heating apparatus. A product outlet is provided for the filter and a control valve is positioned in the product outlet.The apparatus includes structure for washing filter cake comprising a source of wash water, a pump, and a conduit from the source of wash water to the inlet of the pump, heating device, and a conduit for conducting wash water from the outlet of the pump to the heating device. The heating device has sufficient capacity to provide wash water at a temperature approaching that of the slurry entering the filter. A conduit is provided for conducting the wash water from the heating device to the thin film pressure filter. The apparatus also includes control apparatus adapted to control the speed of both motors on both pumps in turn controlling the pressure of the slurry entering the filter and the pressure of the wash water entering the filter.
    • 在不使用酸的情况下连续地进行铜酞菁颜料的净化的装置。 该装置包括用于制备所述颜料在水中的浆料的容器,用于将浆料从容器引导到泵入口的泵和导管,第一加热装置,其能够将浆料加热至至少约 75℃,用于将浆料从泵引导到第一加热装置的导管,薄膜压力过滤器和用于将浆料从第一加热装置传导到薄膜压力过滤器的导管。 该设备被布置成使得通过薄膜压力过滤器的浆料的温度接近来自第一加热设备的浆料的出口温度。 为过滤器提供产品出口,控制阀位于产品出口中。 该装置包括用于洗涤滤饼的结构,其包括洗涤水源,泵和从洗涤水源到泵入口的导管,加热装置和用于从泵的出口传导洗涤水的导管 到加热装置。 加热装置具有足够的能力在接近进入过滤器的浆料的温度下提供洗涤水。 提供用于将洗涤水从加热装置导入薄膜压力过滤器的导管。 该装置还包括适于控制两个泵上的两个电动机的速度的控制装置,从而控制进入过滤器的浆料的压力和进入过滤器的洗涤水的压力。