Key points for preheating operation in the urea synthesis tower

2009-03-03View Original

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Key points for preheating operations of the synthesis tower: 1. Contact the instrumentation team to turn on the computer and check the temperatures at various points in the synthesis tower. 2. Since the temperature measurement points in the synthesis tower are located at considerable distances from each other, when the temperatures at the lower measurement points are not equal, do not rush to increase the steam supply, to avoid excessive temperature rise that could damage the synthesis tower. 3. It is strictly prohibited to open and close the steam valve sharply. 4. During the preheating process, the temperature difference between the inner and outer walls of the synthesis tower should be maintained at 50°C or less

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Key points for preheating operation in the urea synthesis tower

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