Start-up procedure for series-connected compression units
Thread Content
There are two compressors connected in series, each driven by a motor; each compressor is equipped with return pipelines for the inlet and outlet streams. What is the startup procedure? Could everyone please share the regulations regarding the startup procedure for the units in the plant? I would be very grateful
My idea is: first start the first unit, with the outlet valve fully closed and the return valve fully open at the time of startup; then start the second unit, with its outlet valve fully closed and its return valve fully open. After both units have been started, slowly close the anti-surge valve of the first unit. When the outlet pressure rises to a certain value, slowly open the outlet valve. In this way, the return valve is closed while the supply valve is opened, until the return valve is fully closed and the supply valve is fully open. Then repeat the same process for the second one
I’ve connected them here; I hadn’t thought about this issue, I’ll go back and study it further
From the top down, don’t sink. . . .