Problematic solids such as sanitary towels, plastic bags, textiles and wood are being found increasingly more typically in wastewater. Pumping and sewage remedy crops are due to this fact more and more reaching their limits; items get clogged up and break down.
In diaphragm seal when low lifecycle costs are playing an ever more important position, HOMA Pumpenfabrik presents an energy environment friendly and dependable answer for areas where a high supply head is required, but on the same time, a various range of solids is predicted: the Alligator chopper pump collection. The newly developed OC impeller of the Alligator collection enables effective operation via a strong cutter system. Thanks to the use of highly sturdy chilled chrome cast iron, the primary components which may be topic to probably the most stress carry out 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 attainable lifecycle prices are becoming more and more essential in water and wastewater purposes,” explains Konstantin Pörsch, Project Manager within the Design & Development division at HOMA Pumpenfabrik GmbH. “There is a rising demand for power saving and reliable pumps that reach excessive delivery heads with great efficiency.” With its new Alligator chopper pump sequence, which may even be available as an explosion-proof version, HOMA has developed a very efficient response to this demand.
Cutter system shreds all solids with excessive efficiency
“Our aim was to realize high delivery pressures in the medium circulate rate vary,” reviews Konstantin Pörsch. Without forfeiting pump fee, the improved effectivity meant that a smaller, cheaper and extra vitality saving motor than in other pumps in the identical operating range was adequate. To obtain this, HOMA developed a model new cutter system that successfully shreds and removes massive portions of numerous solids such as tear-resistant hygiene wipes, plastic baggage and wood, which additionally get into the wastewater by way of surface water. The specifically designed impeller has built-in cutters and a sharp-edged radius of 10 mm to the wear plate, which can also be equipped with its personal cutter. ไดอะแฟรม ซีล permits the 2 central parts to work together to catch solids, break them down and in the end remove them from the suction space by way of built-in grooves within the wear plate.
To enable ไดอะแฟรม ซีล without compromising on cutting efficiency, the blades of the impeller additionally curve strongly backwards. As a end result, in the 50 Hz model, a circulate rate of as much as one hundred thirty m³/h and a supply head of as a lot as fifty seven m could be achieved with power consumption of 5 to 12 kW. In the 60 Hz version, with power consumption of eight to 20 kW, a circulate rate of up to one hundred forty m³/h and a delivery head of up to eighty two m are attainable. The suction cover mounted on the pump housing may also 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 series, which is on the market for wet nicely installation as nicely as dry installation, is its nice efficiency and effective cutter system, coupled with a long service life,” provides Konstantin Pörsch.
Low lifecycle costs because of wear-resistant design
In order to realize not solely the very best efficiency values in the operating range required for these kinds of wastewater functions, but additionally to reduce lifecycle prices general, HOMA attaches great importance to low-maintenance operation in addition to effectivity. The impeller and put on plate, which are the parts topic to probably the most stress, are manufactured from extraordinarily sturdy chilled chrome cast iron, which withstands even abrasive substances similar to sand in the pumped medium. In addition, the hydraulics had been optimally designed for the operating vary using computational fluid dynamics (CFD) to extend efficiency and to get rid of any possibility of solids building up, which can negatively impact efficiency 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 maintenance prices thanks to their excessive efficiency and wear-resistant materials,” Konstantin Pörsch sums up. “This makes them significantly suitable for waste water applications that require excessive delivery pressure, however on the identical time should cope with many alternative kinds of solids.”
HOMA will be presenting the new Alligator chopper pump sequence for the primary time at IFAT 2022 in Munich. This and other improvements, corresponding to 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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