Suction and cleaning sludge wastewater.
Application: suction and cleaning of tanks containing aluminum processing sludge. In this company, aluminum semi-finished products are produced in three phases: starting from casting to obtaining billets, then many operations are carried out to obtain profiles of various shapes, and finally surface finishing steps are completed with anodization and painting of metal semi-finished product. These operations generate wastewater characterized by chemical aggressiveness and a charge of abrasive metal suspensions. The fluids are collected in tanks and the formation of sludge deriving from the heavy solid suspension precipitation to bottom of tank.
The tanks cleaning operations and the removal of wastewater are performed by submersible centrifugal pumps, but, as is often happens, the formation of thickeners creates large problems of blockage of submersible pumps making them inefficient. Normally an operator goes down into the tank in order to improve the sludge evacuation process through fluidification operations for the sediment homogenization.
This is big problem because during the emptying operations, the operator works immersed in the fluid mass at the same time as the electric pumps running. The potential risk for the operator is clearly evident (electric shock).
Safety and peristaltic pumps in tanks cleaning operations
It was proposed for the task solution , a self priming peristaltic pump hcp 40 complete with speed variator, due this, machine is perfectly adapted to variable viscosity of the sludge, The pump perform a very high suction capacity and completely isolates the operator from a potential electric shock. Insensitive to dry running, the peristaltic pump does not suffer damage resulting from the discontinuity of liquid inflow, moreover, the resistance to abrasion and chemical aggression is assured by the hose membrane perfectly compatible with the fluid. The absolute safety is guaranteed by the fact that the pump operates on the surface by introducing the only suction pipe moving it in the various points of tanks to obtain a perfect cleaning, as it would happen with a vacuum cleaner. No physical contact between mechanical or electrical parts of the pump with the pumped fluid prevents any risk.
More information on pumps: Hose Carrier HCP 40
I’m interested but without obligation, keep me informed
How a lightweight and versatile self-priming engine driven pump can expand the operational possibilities in the field of ecological recovery, our customer works in the environmental field for the recovery and treatment of wastewater and hazardous fluids arising from industrial processes, already owner of a self-priming electric peristaltic pump Hose Carrier intended to operate for the same purpose, presented us with the need to possess a self-priming petrol engine driven peristaltic pump for new incoming duties.
100,000 cps, up to this value can reach viscosity of fluids that our customer, operating in the food sector, must transfer seasonally from reactor to containers prepared for the following Machining. The operation was carried out by flexible impeller pumps with very disappointing results and very high operating costs. The transfer of normal or viscous products, obviously ,did not generate problems, but as the viscosity raise, difficulty, inefficiencies, and high management costs grew fast. The company reached a level that was no longer sustainable. The increasing viscosity of products generated great discontinuity of suction flow to the pumps, often causing destruction of the rubber impellers and mechanical seals of all the pumps available. Viscous and dense fluids = problems.
If there is a peculiarity that in principle distinguishes the peristaltic pumps from the others in general, it is the characteristic of being “contactless” This means there is no physical contact between the pumped fluid and the pump’s mechanical organs. The treated fluid remains entirely contained in the peristaltic hose. This peculiarity excludes, in fact, that materials that are compatible with the liquid to be treated must necessarily be used to make the pump as inevitably applies to all other types of pumps, often made in stainless steel.
This company deal with surface treatments, and there is a lot to do with an annual production of about 7000 tons of Aluminum. The quality of the finishes has distinguished this company in the market, making it among the most important companies in Italy in this sector. Evidently to reach this important goal, it is necessary to pay particular attention to all production processes, and especially those in the preliminary analysis, and control, before each processing step.
