Release agent pumping, a different approach.
A company belong to an important group operating in the production of die castings in aluminum, needed a rational system for the management and recovery of the release agent, and lubricants used in the steps of molding the cast components. Each machine has a collection tank that of a few centimeters in height size, however, may contain several hundreds of liters of contaminated feed materials to be recovered and treated. Each tank was equipped with a submersible pump of the conventional type. Of course, because the height of the collection tank is of a few centimeters, were used submersible pumps for clean water to obtain a suction level as low as possible, obviously, hydraulics of such pumps, is not suitable for the transfer of contaminated fluids and with solid substances in suspension. In addition, the pump worked most of the time with the engine in the air without cooling. This situation has caused the inevitable destruction of a large number of submersible pumps. The increasing costs and the continuous functional uncertainties have made necessary the total rethink of the process of recovery and treatment of the release agent.
Among the various solutions available, was chosen to produce a new plant which involved the use of a Pump Hose Carrier HCP 5.0 that sucks in a centralized manner by a suitable collector provided with pipes arranged in each collection tank, the large capacity of the pump suction hose carrier HCP 5.0 would have produced the vacuum inside the collector every time is necessary to empty the tub, it would have sufficed to open the appropriate valve arranged. The plant was built on the occasion of the summer stop and is regularly entered in function to the reopening of the productive activity. The solution adopted has produced immediately significant positive effects. Not only the Pump Hose Carrier HCP 5.0 was able to produce a great suction effect, but thus made possible to aspirate the solid suspensions present in the release agent that for their nature is not possible to deal with submersible pumps. Of course the Hose Carrier pump is not affected by a possible dry operation or discontinuous. We would also point out that between the aspiration point , and the point where is located the pump, there is a distance of over 150 meters and six meters of altitude. The cost of the management of the pump is a tubular membrane per year, really negligible.
On the occasion of a definitive rethinking of the implant, verified on the field the validity of the solution chosen, were introduced some practical automations to the system of the manifolds in suction. The Pump Hose Carrier HCP 5.0 has been replaced with the largest HCP 6.5 with variable speed equipped with integrated inverter with automation provided for the final implant for release agent.
The “old” HCP 5.0, is now placed to the treatment plant of the separating fluid in the implementation phase, and the recovery and the transfer of the muddy substances produced during the manufacturing process.
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Remove supernatants and floating sludge.
