What precision is required for controlling tower pressure during the operation of pressurized towers, atmospheric towers, and vacuum towers?

2017-11-02View Original

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What precision is required for controlling tower pressure during the operation of pressurized towers, atmospheric towers, and vacuum towers?

Reply #22017-11-02

With pressure kept basically constant, the DCS display shows a straight line.

Reply #32017-11-02

The more stable, the better. At least it should be kept at a level that does not cause any changes in the gas-liquid equilibrium inside the tower.

Reply #42017-11-03

For example, for a pressure tower at 1.0 Mpa, it is ideal to have a value of 1.000±0.002

Reply #52017-11-13

It’s best if it remains unchanged. If the atmospheric pressure tower is operated properly, the top of the tower should always be at atmospheric pressure

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