Practical Exercise on Purification Technology Version [025]
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If the system is operating normally but the gas flow suddenly decreases, why does the liquid level in the tower drop rapidly? When the flow of gas used for conversion is unstable, or when the conversion process stops, resulting in a sudden decrease in the amount of gas entering the low-temperature methanol wash unit or even a complete cessation of gas flow, this will cause the liquid level in the wash tower to drop suddenly or even reach zero. The reason is that our washing tower uses a floating valve tower. When no gas enters the tower, or when the amount of gas entering is low or the pressure is insufficient, the floating caps on the tray do not get lifted, which causes the liquid phase to accumulate on the trays. As a result, the liquid phase cannot flow properly to the next layer of trays. Meanwhile, the flow rate of liquid phase at the rising gas caps and at the bottom of the tower is high, which leads to a rapid loss of methanol liquid within the tower, resulting in a low liquid level or even no liquid level at all. This in turn triggers a chain reaction that leads to shutdowns. Coal chemical processing – Purification technology edition; 2017: “My technical improvements” in the coal chemical industry (large rewards available). http://bbs.hcbbs.com/thread-1786290-1-1.html Registration for chemical engineers – Experience-sharing event titled “Learning from others’ experiences”. http://bbs.hcbbs.com/thread-1808158-1-1.html
When the flow of gas supplied for the conversion process is unstable, or when the conversion process is stopped, the amount of gas entering the low-temperature methanol wash unit decreases suddenly or comes to a halt, which results in a sudden drop in the liquid level in the wash tower, or even a complete absence of liquid there. The reason is that our washing tower uses a floating valve tower. When no gas enters the tower, or when the amount of gas entering is low or the pressure is insufficient, the floating caps on the tray do not get lifted, resulting in the liquid phase accumulating on the trays. This prevents the liquid phase from flowing properly to the lower trays. As a result, the flow rate of liquid phase at the rising gas caps and at the bottom of the tower is high, which causes the methanol liquid in the tower to be lost rapidly, leading to a low liquid level or even no liquid level in the tower.
When the flow of gas used for conversion is unstable, or when the conversion process stops, resulting in a sudden decrease in the amount of gas entering the low-temperature methanol wash unit or even a complete cessation of gas flow, this will cause the liquid level in the wash tower to drop suddenly or even reach zero.
When the flow of gas used for conversion is unstable, or when the conversion process stops, resulting in a sudden decrease in the amount of gas entering the low-temperature methanol wash unit or even a complete cessation of gas flow, this will cause the liquid level in the wash tower to drop suddenly or even reach zero. The reason is that our washing tower uses a floating valve tower. When no gas enters the tower, or when the amount of gas entering is low or the pressure is insufficient, the floating caps on the tray do not get lifted, which causes the liquid phase to accumulate on the trays. As a result, the liquid phase cannot flow properly to the next layer of trays. Meanwhile, the flow rate of liquid phase at the rising gas caps and at the bottom of the tower is high, which leads to a rapid loss of methanol liquid within the tower, resulting in a low liquid level or even no liquid level at all. This in turn triggers a chain reaction, resulting in a stoppage.
When the flow of gas used for conversion is unstable, or when the conversion process stops, resulting in a sudden decrease in the amount of gas entering the low-temperature methanol wash unit or even a complete cessation of gas flow, this will cause the liquid level in the wash tower to drop suddenly or even reach zero. The reason is that our washing tower uses a floating valve tower. When no gas enters the tower, or when the amount of gas entering is low or the pressure is insufficient, the floating caps on the tray do not get lifted, which causes the liquid phase to accumulate on the trays. As a result, the liquid phase cannot flow properly to the next layer of trays. Meanwhile, the flow rate of liquid phase at the rising gas caps and at the bottom of the tower is high, which leads to a rapid loss of methanol liquid within the tower, resulting in a low liquid level or even no liquid level at all. This in turn triggers a chain reaction, resulting in parking
When the flow of gas used for conversion is unstable, or when the conversion process stops, resulting in a sudden decrease in the amount of gas entering the low-temperature methanol wash unit or even a complete cessation of gas flow, this will cause the liquid level in the wash tower to drop suddenly or even reach zero.
When the flow of gas used for conversion is unstable, or when the conversion process stops, resulting in a sudden decrease in the amount of gas entering the low-temperature methanol wash unit or even a complete cessation of gas flow, this will cause the liquid level in the wash tower to drop suddenly or even reach zero. The reason is that our washing tower uses a floating valve tower. When no gas enters the tower, or when the amount of gas entering is low or the pressure is insufficient, the floating caps on the tray do not get lifted, which causes the liquid phase to accumulate on the trays. As a result, the liquid phase cannot flow properly to the next layer of trays. Meanwhile, the flow rate of liquid phase at the rising gas caps and at the bottom of the tower is high, which leads to a rapid loss of methanol liquid within the tower, resulting in a low liquid level or even no liquid level at all. This in turn triggers a chain reaction, resulting in parking
When the flow of gas used for conversion is unstable, or when the conversion process stops, resulting in a sudden decrease in the amount of gas entering the low-temperature methanol wash unit or even a complete cessation of gas flow, this will cause the liquid level in the wash tower to drop suddenly or even reach zero. The reason is that our washing tower uses a floating valve tower. When no gas enters the tower, or when the amount of gas entering is low or the pressure is insufficient, the floating caps on the tray do not get lifted, which causes the liquid phase to accumulate on the trays. As a result, the liquid phase cannot flow properly to the next layer of trays. Meanwhile, the flow rate of liquid phase at the rising gas caps and at the bottom of the tower is high, which leads to a rapid loss of methanol liquid within the tower, resulting in a low liquid level or even no liquid level at all. This in turn triggers a chain reaction, resulting in parking
When the flow of gas supplied for the conversion process is unstable, or when the conversion process is stopped, the amount of gas entering the low-temperature methanol wash unit decreases suddenly or comes to a halt, which results in a sudden drop in the liquid level in the wash tower, or even a complete absence of liquid there.
The washing tower uses a floating valve tower design. When no gas enters the tower, or when the amount of gas entering is low or the pressure is insufficient, the floating caps on the tray do not get lifted, which results in the liquid phase accumulating on the trays. As a result, the liquid phase cannot flow properly to the next layer of trays. Meanwhile, the flow rate of the liquid phase at the rising gas caps and at the bottom of the tower is high, which causes the methanol liquid in the tower to be lost rapidly, leading to a low liquid level or even no liquid level in the tower. This in turn triggers a chain reaction, resulting in parking
When the flow of gas used for conversion is unstable, or when the conversion process stops, resulting in a sudden decrease in the amount of gas entering the low-temperature methanol wash unit or even a complete cessation of gas flow, this will cause the liquid level in the wash tower to drop suddenly or even reach zero. The reason is that our washing tower uses a floating valve tower. When no gas enters the tower, or when the amount of gas entering is low or the pressure is insufficient, the floating caps on the tray do not get lifted, which causes the liquid phase to accumulate on the trays. As a result, the liquid phase cannot flow properly to the next layer of trays. Meanwhile, the flow rate of liquid phase at the rising gas caps and at the bottom of the tower is high, which leads to a rapid loss of methanol liquid within the tower, resulting in a low liquid level or even no liquid level at all. This in turn triggers a chain reaction, resulting in parking