Problematic solids such as sanitary towels, plastic bags, textiles and wood are being discovered increasingly more typically in wastewater. Pumping and sewage remedy crops are subsequently more and more reaching their limits; units get clogged up and break down.
In times when low lifecycle prices are taking part in an ever more necessary role, HOMA Pumpenfabrik offers an vitality efficient and reliable resolution for areas the place a high delivery head is required, but at the same time, a diverse range of solids is expected: the Alligator chopper pump collection. The newly developed OC impeller of the Alligator sequence permits effective operation through a strong cutter system. Thanks to the use of highly sturdy chilled chrome cast iron, the principle parts which would possibly be topic to probably the most stress perform reliably even with abrasive substances corresponding to sand. HOMA might be presenting the new Alligator chopper pumps for the primary time at IFAT 2022 in Munich.
“The lowest attainable lifecycle prices are becoming more and more necessary in water and wastewater applications,” explains Konstantin Pörsch, Project Manager in the Design & Development department at HOMA Pumpenfabrik GmbH. “There is a growing demand for power saving and reliable pumps that attain excessive delivery heads with great effectivity.” With its new Alligator chopper pump series, which may also be obtainable as an explosion-proof version, HOMA has developed a particularly environment friendly response to this demand.
Cutter system shreds all solids with excessive efficiency
“Our objective was to realize high delivery pressures in the medium flow fee vary,” reports Konstantin Pörsch. Without forfeiting pump price, the improved efficiency meant that a smaller, cheaper and more vitality saving motor than in other pumps in the same operating range was enough. To obtain this, HOMA developed a new cutter system that successfully shreds and removes giant portions of various solids similar to tear-resistant hygiene wipes, plastic luggage and wood, which additionally get into the wastewater via floor water. The specifically designed impeller has built-in cutters and a sharp-edged radius of 10 mm to the put on and tear plate, which is also equipped with its own cutter. This design allows the two central elements to work together to catch solids, break them down and finally remove them from the suction space through integrated grooves in the put on plate.
To allow spmk700 with out compromising on chopping performance, the blades of the impeller also curve strongly backwards. As a outcome, in the 50 Hz model, a circulate fee of up to 130 m³/h and a delivery head of as a lot as fifty seven m may be achieved with energy consumption of 5 to 12 kW. In the 60 Hz model, with power consumption of 8 to 20 kW, a flow fee of as much as one hundred forty m³/h and a delivery head of as much as 82 m are potential. The suction cover mounted on the pump housing may also be used to adjust the slicing hole between the impeller and the damage plate with the assist of six set screws. “The power of our new Alligator sequence, which is available for moist well set up in addition to dry installation, is its great effectivity and efficient cutter system, coupled with a long service life,” provides Konstantin Pörsch.
Low lifecycle costs because of wear-resistant design
In order to attain not only the best possible effectivity values in the operating range required for these kinds of wastewater applications, but also to scale back lifecycle costs total, HOMA attaches great significance to low-maintenance operation along with effectivity. The impeller and put on plate, that are the elements topic to the most stress, are made of extremely durable chilled chrome cast iron, which withstands even abrasive substances corresponding to sand within 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 build up, which can negatively influence performance and lead to expensive pump failures. “With the newly developed cutter system, the Alligator pumps can successfully break down all solids within the waste water and transport them away, saving both energy and upkeep costs thanks to their high efficiency and wear-resistant materials,” Konstantin Pörsch sums up. “This makes them significantly appropriate for waste water applications that require high supply pressure, however on the similar time need to deal with many various sorts of solids.”
HOMA shall be presenting the new Alligator chopper pump collection for the first time at IFAT 2022 in Munich. This and different innovations, such as the maintenance slide with sliding motor mount, might be defined and demonstrated by the HOMA sales team in Hall B1 at Stand 429/528.
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