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Refinery Energy Recovery System CECON Clutch for Rapid Response Delivery
A fast-turnaround rebuild of a Marland CECON CEUHS high-speed clutch was needed at
a massive oil refinery located on the Mississippi Gulf Coast. The facility utilizes the clutch
combined with a hydraulic turbine to recover hydraulic energy that would otherwise be wasted
during the refining process when high-pressure liquid flow is reduced to a lower pressure.
The hydraulic turbine is connected to the CECON clutch input shaft, and the output shaft is
connected to a double extended motor shaft or pump shaft. The motor is sized to carry the
full pump load for those times, such as start-up, when little or no fluid is available to the
hydraulic turbine. During these periods, the clutch is freewheeling, allowing the hydraulic
turbine to remain stationary. As process fluid flow increases, the hydraulic turbine accelerates
until it reaches the speed of the motor. The CECON clutch automatically engages to transmit
hydraulic turbine torque to the motor, decreasing the motor current demand. The clutch also
automatically engages and disengages if the hydraulic turbine speed varies with the change in
the flow of the process fluid.
The customer contacted S&S Equipment & Supply, the only authorized Marland Repair Center
(and Marland’s largest stocking distributor) in the continental U.S. S&S informed the customer
that a new, replacement CECON CEUSHS model was in stock and available for immediate
shipment, saving weeks off a new order from the factory. Due to the critical role of the clutch
within the refinery operation, the customer gladly placed the order for the new unit and shipped
its old unit to S&S for the necessary rebuild.
S&S’ “whatever it takes” service commitment saved this customer significant operational
downtime along with the costs of unrecovered hydraulic energy.
Highlights
- New CECON CEUHS unit
shipped to customer from
stock
- Timely rebuild of original
worn clutch
- Significantly reduced
production downtime