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One Question per Day (March 11)

2010-03-11View Original

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What causes the change in the drum water level when the boiler load changes?
Reply #22010-03-11
Changes in boiler load lead to changes in the drum water level for two reasons: first, the balance between the water supply and evaporation rate is disrupted; Secondly, changes in load inevitably cause pressure changes, which in turn result in changes in the specific volume of the working fluid.
Reply #32010-03-11
There are two reasons why changes in boiler load lead to changes in the drum water level: first, the balance between the water supply and evaporation rate is disrupted; second, changes in load inevitably cause pressure changes, which in turn result in changes in the specific volume of the working fluid.
Reply #42010-03-11
Changes in boiler load lead to changes in the drum water level for two reasons: first, the balance between the water supply and evaporation rate is disrupted; Secondly, changes in load inevitably cause pressure changes, which in turn result in changes in the specific volume of the working fluid.
Reply #52010-03-11
The reasons for changes in the drum water level caused by variations in boiler load are, first, the disruption of the balance between the water supply and evaporation rates; second, changes in load inevitably lead to pressure changes, which in turn cause changes in the specific volume of the working fluid.
Reply #62010-03-11
What causes the change in the drum water level when the boiler load changes? Changes in load cause changes in the gas-liquid equilibrium point, which in turn leads to changes in liquid level
Reply #72010-03-11
Changes in boiler load lead to variations in the drum water level for two reasons: first, the balance between the water supply and evaporation rates is disrupted; second, changes in load inevitably cause pressure changes, which in turn result in changes in the specific volume of the working fluid. As the load increases, the steam pressure drops, and the saturation temperature decreases accordingly. The metal temperature of the evaporation surfaces and the water stored in the boiler release their stored heat, which increases the amount of bubbles in the water volume and thus raises the water level. That is, as the load increases, the water level rises first and then falls. When the load drops suddenly, the process of water level change is the opposite of the one described above.
Reply #82010-03-11
Changes in boiler load lead to changes in the drum water level for two reasons: first, the balance between the water supply and evaporation rate is disrupted; Secondly, changes in load inevitably cause pressure changes, which in turn result in changes in the specific volume of the working fluid.
Reply #92010-03-11
Changes in boiler load lead to changes in the drum water level for two reasons: first, the balance between the water supply and evaporation rate is disrupted; Secondly, changes in load inevitably cause pressure changes, which in turn result in changes in the specific volume of the working fluid.
Reply #102010-03-11
There are two reasons why changes in boiler load lead to changes in the drum water level: first, the balance between the water supply and evaporation rate is disrupted; second, changes in load inevitably cause pressure changes, which in turn result in changes in the specific volume of the working fluid.

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