Hose Carrier Pump for suction of stone and marble working sludge.

hcp 50 base

A small company had the problem of  intermittent sludge disposal  which settle during the various steps of the marble and stone working. The fluids are collected in suitable unground tanks buried, placed in different areas of the plant. The water required to the machining process obviously is  recycled, , after a certain period of tranquillity, solid substances in suspension precipitate separating from the water. The latter is recovered and restarted to the processing cycle.

The company had to carry out the operations of suction with submersible pumps equipped with sealing systems based on mechanical seals in Silicon Carbide. Despite this important characteristic, the pumps had a duration unsatisfactory, failures to the sealing system appeared after 8 -10 months of operation. The first time the pumps were repaired, it was subsequently adopted the habit to replace them ex-novo, choosing in the market “sacrificial” pumps  among the less expensive. In a few years the pumps destroyed and replaced have become too many.

Probably the submersible pumps used have done their job as best as possible. But we know that the liquid mixture which had to deal was composed of water and dust generated by the cut with diamond tools. As far as a submersible pump can be adapted to the required work, operating with similarly liquid abrasive mixtures  , there is no mechanical seal able to resist a time to meet the expectations of the user. The failure of the mechanical seal caused the flooding of the electric motor causing the “burning”.

Of course the submersible pumps,  suffered the effect of the sedimentation of the deposited mud. in the course of time, frequent failures were generated. “Desperation” forced company to use the first pump available to replace the previous unusable, often with new one found on market but totally unsuitable for.

By purchasing a Hose Carrier HCP 5.0, this company has been able to solve two problems with one pump alone. The recovery of the limpid waters (or almost) in complete safety and with great easiness by moving the pump or the only suction hose on the various tanks. Occasionally one or two times per month with the same pump retrieving the sludge thicker from the bottom of the tanks to send them to the appropriate bag filters for subsequent disposal.

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