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We are facing problems in our factory’s distillation system after adding a conversion gas reboiler; we would appreciate the advice from all of you experts

2017-07-07View Original

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1. When the conversion gas reboiler was not in use, the steam consumption in the pressure column was 15 tons per hour. The temperature and pressure at the bottom of the pressure column were low, and these conditions did not improve even after adjustments; it’s unclear where the additional 3 tons of steam went, as the flow meters were functioning properly. 2. After the new conversion gas reboiler was put into use, the steam in the pressure tower did not decrease. The valve opening of the secondary separator was small, resulting in little condensate and a small temperature difference between the inlet and outlet; it’s unclear where the heat went. The conversion gas reboiler of the pre-tower is operating normally, and the bypass automatic control valve with a DN350 size is at 50% opening.
Reply #22017-07-08
In fact, steam is used as a heat source primarily due to its latent heat – the heat released during the process of turning into condensate. If the amount of condensate produced is very small, it simply means that your steam is being wasted. The heat released was not placed in the reboiler.

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