Through the operation panel, not only can realize the fixed distance and constant pressure of two kinds of forming process, and can realize a pad, pad free, top three cycle process.

通过操作面板选择，不仅可实现定程、定压两种成形工艺，而且可实现有垫、无垫、顶出三种工艺工作循环。

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Taking operation al process into hydraulic pressure cake filtration phase and hydraulic pressure consolidation phase on the frame or chamber filter press with fixed volume are studied on this paper.

将滤室固定不变的板框或箱式压滤机的操作过程分成滤饼过滤阶段和液力压密脱水阶段两个过程来研究。

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This article presents an experimental determination for optimal operational parameters, such as cross velocity, trans-membrane pressure, temperature and fixed flux operation, etc.

通过试验，确定了针对城市污水直接膜过滤应选择的合适错流速度、料液温度以及采用低压恒通量操作的模式。

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