Tank Side Coalescer
The Eriez® HydroFlow® 15-gallon (56 liter) Tank Side Coalescer removes tramp oil and fines and returns clean, reusable coolant to machine tool sumps and parts washers. This portable unit comes with a 9-foot suction hose and a 5-foot clean discharge hose.
The Tank Side Coalescer features a 110-volt electric submersible pump, coupled to an adjustable skimming device which, when installed properly, rests in the sump and collects oil from the surface. The pump delivers skimmed tramp oil and coolant to the coalescer settling tank.
A 15-gallon polyethylene drum, an inner oil diversion baffle, an oil discharge spigot and a clean coolant discharge hose are part of the settling tank. Clean coolant gravity flows from the settling tank through the discharge hose and pack to the sump. The skimmer can be modified to work in machine sumps with as little as 3 inches of coolant.
Removing any tramp oil that leaks from a machine tool into the metalworking fluid should be a priority within any metalworking plant.