New chopper pump achieves high efficiency without compromising on chopping efficiency

Problematic solids corresponding to sanitary towels, plastic luggage, textiles and wood are being discovered increasingly more often in wastewater. Pumping and sewage therapy crops are due to this fact increasingly reaching their limits; models get clogged up and break down.
In occasions when low lifecycle prices are playing an ever more important function, HOMA Pumpenfabrik provides an energy environment friendly and reliable answer for areas where a high supply head is required, however at the identical time, a various range of solids is expected: the Alligator chopper pump collection. The newly developed OC impeller of the Alligator collection allows effective operation by way of a powerful cutter system. Thanks to the use of extremely durable chilled chrome cast iron, the main components which are topic to probably the most stress carry out reliably even with abrasive substances similar to sand. HOMA might be presenting เกจไนโตรเจนsumo for the primary time at IFAT 2022 in Munich.
“The lowest potential lifecycle prices are becoming more and more necessary in water and wastewater applications,” explains Konstantin Pörsch, Project Manager within the Design & Development department at HOMA Pumpenfabrik GmbH. “There is a growing demand for energy saving and reliable pumps that reach excessive supply heads with nice efficiency.” With its new Alligator chopper pump collection, which may also be obtainable as an explosion-proof model, HOMA has developed a very efficient response to this demand.
Cutter system shreds all solids with excessive efficiency
“Our goal was to achieve high supply pressures within the medium circulate fee vary,” reviews Konstantin Pörsch. Without forfeiting pump fee, the improved effectivity meant that a smaller, cheaper and extra energy saving motor than in different pumps in the identical operating vary was sufficient. To obtain this, HOMA developed a new cutter system that successfully shreds and removes giant portions of diverse solids corresponding to tear-resistant hygiene wipes, plastic bags and wood, which additionally get into the wastewater through surface water. The specially designed impeller has built-in cutters and a sharp-edged radius of 10 mm to the put on and tear plate, which can also be outfitted with its own cutter. This design allows the 2 central parts to work together to catch solids, break them down and ultimately remove them from the suction space via built-in grooves in the wear plate.
To enable larger efficiency with out compromising on chopping performance, the blades of the impeller additionally curve strongly backwards. As a outcome, in the 50 Hz version, a flow price of up to one hundred thirty m³/h and a delivery head of up to fifty seven m could be achieved with energy consumption of 5 to 12 kW. In the 60 Hz version, with power consumption of 8 to twenty kW, a circulate fee of up to 140 m³/h and a supply head of up to eighty two m are potential. The suction cowl mounted on the pump housing can additionally be used to regulate the chopping hole between the impeller and the damage plate with the help of six set screws. “The power of our new Alligator sequence, which is on the market for wet nicely installation in addition to dry installation, is its nice efficiency and effective cutter system, coupled with a protracted service life,” adds Konstantin Pörsch.
Low lifecycle costs due to wear-resistant design
In order to achieve not solely the best possible effectivity values within the operating range required for these kinds of wastewater functions, but in addition to reduce back lifecycle prices total, HOMA attaches nice significance to low-maintenance operation in addition to efficiency. The impeller and put on plate, that are the elements subject to the most stress, are made from extraordinarily sturdy chilled chrome forged iron, which withstands even abrasive substances corresponding to sand in the pumped medium. In addition, the hydraulics were optimally designed for the operating vary using computational fluid dynamics (CFD) to increase efficiency and to get rid of any chance of solids building up, which might negatively impression performance and result in expensive pump failures. “With the newly developed cutter system, the Alligator pumps can successfully break down all solids in the waste water and transport them away, saving both energy and upkeep prices due to their excessive efficiency and wear-resistant materials,” Konstantin Pörsch sums up. “This makes them notably suitable for waste water purposes that require high delivery pressure, but on the same time have to cope with many various sorts of solids.”
HOMA will be presenting the new Alligator chopper pump collection for the first time at IFAT 2022 in Munich. This and other improvements, such as the maintenance slide with sliding motor mount, might be defined and demonstrated by the HOMA gross sales staff in Hall B1 at Stand 429/528.

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