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    • 41. 发明公开
    • Microprocessor controlled liquid chemical delivery system and method
    • 装置和用于液体物质的微型计算机控制的馈电方法。
    • EP0403296A1
    • 1990-12-19
    • EP90306533.2
    • 1990-06-15
    • Diversey Corporation
    • Turner, James R.Hosking, Stephen G.Livingstone, James W.
    • D06F39/02
    • D06F39/022B01F15/0416B01F2003/0896B01F2215/0077Y10T137/4857
    • A liquid chemical delivery system automatically delivers viscous chemicals to a number of destinations, such as a number of industrial clothes washers. Several distinct chemicals are pumped, one at a time, into a manifold. The chemical being pumped is mixed with water in the manifold and then transported through a distribution line to its specified destination. By mixing the chemicals with water, viscous chemicals are diluted and delivered using a low pressure delivery system. A single flow meter is used to calibrate all the chemical metering pumps and to recalibrate those pumps periodically, thereby providing accurate chemical metering. The manifold and distribution tube are automatically flushed with water after every chemical delivery so as to reduce corrosion and maintenance costs. In addition, potentially reactive chemicals are kept separate from one another despite the use of only a single distribution line. The system uses a proof-of-flow conductivity meter in the manifold to confirm the presence of each specified chemical in the manifold during the chemical pumping process. Local proof-of-delivery conductivity meters at the system's output ports are used to verify delivery of each chemical to the specified output port.
    • 的液体化学品输送系统自动提供粘性的化学品的数量的目的地,作为检查许多工业洗衣机的。 几个不同的化学品被泵入,一次一个,到歧管中。 被泵送的化学品是与在歧管水混合,然后通过分配线到其指定的目的地传送。 通过与水混合的化学品,化学品粘性稀释并使用低压输送系统输送。单个流量计用于校准所有的化学计量泵,并定期重新校准这些泵,从而提供精确的化学计量。 歧管和分配管会自动与水冲洗每化学品输送后,以减少腐蚀和维护成本。 此外,潜在的反应性化学品,尽管仅使用一个单一的分配线的彼此保持分离。 该系统使用验证的流程的导电率计在歧管,以确认每个指定化学的过程中的化学泵送过程存在到所述歧管。 在系统的输出端口本地证明的交付电导率仪被用来验证每种化学物质输送到指定的输出端口。