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When the boiler is first started, the water wall heats up, and the water in the furnace is heated to produce steam. Then why does the liquid level in the drum rise? Is there a formula?
When the boiler is not heating, water exists in the water wall; once heating begins, it exists in the form of steam and water, its volume increases, and the water level in the steam drum rises
Oh, in that case, as the level of liquid in the drum rises, and with an increase in steam volume, the saturation pressure of the water in the drum furnace increases as well, and the saturation temperature rises; so the liquid level should gradually decrease, right? Is it related to the thermal expansion and contraction of the boiler water when the boiler first starts up, which causes an increase in volume?
Oh, in that case, as the level of liquid in the drum rises, and with an increase in steam volume, the saturation pressure of the water in the drum furnace increases as well, and the saturation temperature rises; so the liquid level should gradually decrease, right? Is it related to the thermal expansion and contraction of the boiler water when the boiler first starts up, which causes an increase in volume? It can be said that: Oh, in that case, the level of the drum liquid rises; as the amount of steam increases, the saturation pressure of the water in the drum furnace increases as well, and the saturation temperature rises, with the liquid level gradually reaching an equilibrium state. It is related to the increase in volume of the boiler water due to thermal expansion when the boiler just starts up: handshake:)
:) Let me ask you another question: The steam flow from the drum to the heat accumulator must be limited to its maximum allowable value during the heating phase of the heat accumulator, until it is connected to the steam network under normal operating conditions. What does this mean? ? What is the heat-up phase of a regenerator? ?