New chopper pump achieves excessive efficiency with out compromising on cutting efficiency

Problematic solids such as sanitary towels, plastic bags, textiles and wood are being found more and more typically in wastewater. Pumping and sewage remedy plants are subsequently more and more reaching their limits; units get clogged up and break down.
In times when low lifecycle prices are taking half in an ever extra necessary function, HOMA Pumpenfabrik provides an vitality environment friendly and reliable answer for areas the place a high supply head is required, however at the similar time, a diverse vary of solids is predicted: the Alligator chopper pump collection. The newly developed OC impeller of the Alligator collection enables efficient operation by way of a robust cutter system. Thanks to using extremely sturdy chilled chrome cast iron, the principle parts that are topic to the most stress perform reliably even with abrasive substances similar to sand. HOMA might be presenting the new Alligator chopper pumps for the first time at IFAT 2022 in Munich.
“The lowest potential lifecycle costs have gotten increasingly important 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 vitality saving and dependable pumps that attain excessive delivery heads with great effectivity.” With its new Alligator chopper pump sequence, which will 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 effectivity
“Our objective was to attain high delivery pressures in the medium flow fee vary,” reports Konstantin Pörsch. Without forfeiting pump rate, the improved effectivity meant that a smaller, cheaper and extra energy saving motor than in different pumps in the same operating range was adequate. To achieve this, HOMA developed a model new cutter system that successfully shreds and removes large portions of numerous solids corresponding to tear-resistant hygiene wipes, plastic bags and wooden, which also get into the wastewater by way of floor water. The specially designed impeller has built-in cutters and a sharp-edged radius of 10 mm to the damage plate, which is also equipped with its personal cutter. This design permits the two central elements to work collectively to catch solids, break them down and ultimately take away them from the suction area through integrated grooves in the wear plate.
To enable higher efficiency without compromising on cutting efficiency, the blades of the impeller also curve strongly backwards. As a outcome, in the 50 Hz version, a circulate rate of as a lot as 130 m³/h and a supply head of up to fifty seven m can be achieved with power consumption of 5 to 12 kW. In the 60 Hz version, with energy consumption of 8 to 20 kW, a circulate rate of up to a hundred and forty m³/h and a delivery head of as much as 82 m are attainable. The suction cover mounted on the pump housing may also be used to regulate the cutting hole between the impeller and the damage plate with the assist of six set screws. “The strength of our new Alligator collection, which is on the market for moist nicely installation in addition to dry installation, is its great effectivity and efficient cutter system, coupled with a protracted service life,” adds Konstantin Pörsch.
Low lifecycle prices because of wear-resistant design
In order to realize not only the very best efficiency values within the working range required for these kinds of wastewater functions, but also to reduce lifecycle costs general, HOMA attaches great significance to low-maintenance operation along with efficiency. The impeller and put on plate, that are the elements topic to probably the most stress, are made of extraordinarily sturdy chilled chrome cast iron, which withstands even abrasive substances similar to sand in the pumped medium. In เพรสเชอร์เกจnuovafima , the hydraulics have been optimally designed for the operating vary using computational fluid dynamics (CFD) to increase effectivity and to remove any chance of solids increase, which may negatively impression performance and result in pricey 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 each power and upkeep prices thanks to their high effectivity and wear-resistant materials,” Konstantin Pörsch sums up. “This makes them particularly appropriate for waste water functions that require excessive delivery stress, but at the same time should deal with many different kinds of solids.”
HOMA might be presenting the new Alligator chopper pump collection for the primary time at IFAT 2022 in Munich. This and other innovations, similar to the maintenance slide with sliding motor mount, will be explained and demonstrated by the HOMA gross sales staff in Hall B1 at Stand 429/528.

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