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

Problematic solids similar to sanitary towels, plastic bags, textiles and wooden are being found more and more often in wastewater. Pumping and sewage treatment vegetation are therefore more and more reaching their limits; items get clogged up and break down.
In times when low lifecycle prices are taking part in an ever more important function, HOMA Pumpenfabrik presents an power efficient and dependable solution for areas the place a high delivery head is required, but at the similar time, a diverse vary of solids is expected: the Alligator chopper pump series. The newly developed OC impeller of the Alligator series enables effective operation through a powerful cutter system. Thanks to the use of highly durable chilled chrome cast iron, the primary components which are topic to essentially the most stress carry out reliably even with abrasive substances similar to sand. HOMA might be presenting the model new Alligator chopper pumps for the primary time at IFAT 2022 in Munich.
“The lowest potential lifecycle prices are becoming more and more essential in water and wastewater functions,” explains Konstantin Pörsch, Project Manager in the Design & Development division at HOMA Pumpenfabrik GmbH. “There is a rising demand for power saving and dependable pumps that attain high delivery heads with nice efficiency.” With its new Alligator chopper pump series, which may even be out there as an explosion-proof model, HOMA has developed a particularly efficient response to this demand.
Cutter system shreds all solids with high efficiency
“Our aim was to attain high delivery pressures within the medium flow price range,” reports Konstantin Pörsch. Without forfeiting pump price, the improved efficiency meant that a smaller, cheaper and more vitality saving motor than in different pumps in the same operating vary was adequate. To achieve this, HOMA developed a brand new cutter system that effectively shreds and removes massive portions of diverse solids corresponding to tear-resistant hygiene wipes, plastic luggage and wood, which additionally get into the wastewater by way of surface water. The specially designed impeller has integrated cutters and a sharp-edged radius of 10 mm to the wear and tear plate, which can be equipped with its own cutter. This design allows the 2 central parts to work collectively to catch solids, break them down and ultimately remove them from the suction area by way of built-in grooves within the wear plate.
To allow higher effectivity 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 fee of up to 130 m³/h and a supply head of up to 57 m may be achieved with power consumption of 5 to 12 kW. In the 60 Hz version, with power consumption of 8 to twenty kW, a circulate rate of up to 140 m³/h and a delivery head of up to 82 m are attainable. เกจ์วัดแรงดันน้ำมันเครื่อง mounted on the pump housing may additionally be used to regulate the slicing gap between the impeller and the wear and tear plate with the help of six set screws. “The energy of our new Alligator sequence, which is out there for moist properly installation as well as dry set up, is its nice efficiency and effective cutter system, coupled with an extended service life,” provides Konstantin Pörsch.
Low lifecycle prices because of wear-resistant design
In order to attain not solely the best possible effectivity values within the working range required for these sorts of wastewater functions, but additionally to minimize back lifecycle prices overall, HOMA attaches nice importance to low-maintenance operation in addition to effectivity. The impeller and wear plate, that are the parts topic to the most stress, are manufactured from extremely sturdy chilled chrome forged iron, which withstands even abrasive substances corresponding to sand within the pumped medium. In addition, the hydraulics have been optimally designed for the operating range utilizing computational fluid dynamics (CFD) to extend effectivity and to eliminate any risk of solids building up, which can negatively influence performance and result in pricey pump failures. “With the newly developed cutter system, the Alligator pumps can effectively break down all solids in the waste water and transport them away, saving both energy and maintenance costs due to their high effectivity and wear-resistant supplies,” Konstantin Pörsch sums up. “This makes them significantly suitable for waste water applications that require high supply stress, however on the similar time have to take care of many alternative sorts of solids.”
HOMA shall be presenting the new Alligator chopper pump collection for the primary time at IFAT 2022 in Munich. This and other improvements, corresponding to the maintenance slide with sliding motor mount, might be explained and demonstrated by the HOMA gross sales staff in Hall B1 at Stand 429/528.

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