Atmospheric pressure tank, low flow rate, control method
Thread Content
For an atmospheric-pressure tank with a liquid phase, where discharge occurs intermittently from the bottom at a flow rate of 0.5 m3/h, what control method would be appropriate? The pressure is at atmospheric pressure; can a flow control valve be used?
With such a low flow rate, would it be more appropriate to use a metering pump?
I’m not sure about the viscosity of your liquid; if it’s not high, you might consider reducing the diameter
For metering pumps, it’s difficult to choose a flow meter when the flow rate is too low
1. “At atmospheric pressure” – it is not clear whether the gas phase is under pressure or in contact with the atmosphere and thus at no pressure. To clarify the situation: 2. What size is the tank? What is the liquid level in meters? What is the diameter in meters? 3. What kind of material is it? 4. What is the temperature of the material? 5. In short, it’s necessary to provide a comprehensive description of the operating conditions and properties of the material before it’s possible to determine the appropriate method for measuring flow rate. Driving a Hummer to Beijing or riding a donkey there – which is faster? Only by clarifying the conditions can we arrive at a conclusion
If the liquid phase is conductive, electromagnetic methods can be used, or mass methods as well
Should I control the liquid level or the flow rate? ? Could you explain it more clearly?