Problematic solids such as sanitary towels, plastic bags, textiles and wooden are being discovered increasingly more often in wastewater. Pumping and sewage remedy vegetation are due to this fact increasingly reaching their limits; items get clogged up and break down.
In occasions when low lifecycle prices are taking part in an ever more necessary function, HOMA Pumpenfabrik provides an energy efficient and reliable resolution for areas the place a high supply head is required, but at the same 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 via a robust cutter system. Thanks to the use of extremely sturdy chilled chrome cast iron, the primary parts that are topic to 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 attainable lifecycle costs have gotten more and more essential in water and wastewater purposes,” explains Konstantin Pörsch, Project Manager in the Design & Development division at HOMA Pumpenfabrik GmbH. “There is a growing demand for energy saving and dependable pumps that attain excessive supply heads with nice effectivity.” With its new Alligator chopper pump collection, which may even be available as an explosion-proof model, HOMA has developed a particularly environment friendly response to this demand.
Cutter system shreds all solids with excessive efficiency
“Our goal was to attain excessive delivery pressures in 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 other pumps in the identical working range was enough. To achieve this, HOMA developed a new cutter system that successfully shreds and removes giant quantities of diverse solids such as tear-resistant hygiene wipes, plastic luggage and wood, which also 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 wear and tear plate, which is also equipped with its own cutter. This design allows the 2 central elements to work collectively to catch solids, break them down and finally remove them from the suction area via integrated grooves within the put on plate.
To allow higher effectivity without compromising on slicing performance, the blades of the impeller additionally curve strongly backwards. As a outcome, within the 50 Hz version, a circulate fee of as a lot as one hundred thirty m³/h and a supply head of up to 57 m may be achieved with energy consumption of 5 to 12 kW. In the 60 Hz model, with energy consumption of 8 to 20 kW, a flow fee of as much as one hundred forty m³/h and a delivery head of up to 82 m are possible. The suction cover 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 assist of six set screws. “ เกจวัดแรงดันco2 of our new Alligator series, which is available for wet properly set up as nicely as dry installation, is its great efficiency and effective cutter system, coupled with a long service life,” provides Konstantin Pörsch.
Low lifecycle prices because of wear-resistant design
In order to attain not solely the very best efficiency values in the working vary required for these kinds of wastewater applications, but additionally to cut back lifecycle costs general, HOMA attaches nice significance to low-maintenance operation in addition to efficiency. The impeller and put on plate, that are the elements subject to essentially the most stress, are made from extremely sturdy chilled chrome forged iron, which withstands even abrasive substances such as sand within the pumped medium. In addition, the hydraulics have been optimally designed for the operating vary using computational fluid dynamics (CFD) to extend efficiency and to get rid of any risk of solids increase, which may negatively impact performance and result in costly 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 power and upkeep prices because of their excessive efficiency and wear-resistant materials,” Konstantin Pörsch sums up. “This makes them notably appropriate for waste water purposes that require excessive supply strain, but at the same time should deal with many alternative kinds of solids.”
HOMA will be presenting the model new Alligator chopper pump collection for the first time at IFAT 2022 in Munich. This and different improvements, such as the upkeep slide with sliding motor mount, might be explained and demonstrated by the HOMA sales group in Hall B1 at Stand 429/528.
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