Solution to gas flow rate problems
Thread Content
Our factory plans to release all the gas instead of sending it elsewhere; the pressure behind the machine will be at most 21,000 Pa, the pressure after the benzene unit will be controlled at 6,000 Pa, and the rest will be sent outside. The diameter of the pipeline from the benzene plant to the emission point is 600 mm, its length is approximately 250 m, and the gas flow rate is 55,000 cubic meters per hour. Will the pipe diameter be sufficient to meet the requirements for fully releasing the gas? I know it can be calculated using the formula Q=S*v, but how is this flow velocity v determined? Is it related to gas pressure and the length and diameter of the pipes? I hope the seniors can help clarify this; thank you all in advance (?ò ? ó?)
Gas pressure is related to the length and diameter of the pipes, and resistance losses must be taken into account. Generally, keeping the pipe diameter constant and increasing the pressure raises the flow velocity, and thus the flow rate also increases.