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Problematic solids similar to sanitary towels, plastic baggage, textiles and wood are being discovered more and more often in wastewater. Pumping and sewage therapy plants are due to this fact more and more reaching their limits; units get clogged up and break down.
In times when low lifecycle prices are enjoying an ever extra necessary position, HOMA Pumpenfabrik offers an vitality environment friendly and reliable resolution for areas where a excessive delivery head is required, however at the same time, a diverse range of solids is anticipated: the Alligator chopper pump sequence. The newly developed OC impeller of the Alligator sequence permits efficient operation by way of a robust cutter system. Thanks to using extremely durable chilled chrome forged iron, the principle components that are topic to essentially the most stress carry out reliably even with abrasive substances similar to sand. HOMA might be presenting the new Alligator chopper pumps for the primary time at IFAT 2022 in Munich.
“The lowest possible lifecycle costs have gotten increasingly necessary in water and wastewater applications,” explains Konstantin Pörsch, Project Manager within the Design & Development division at HOMA Pumpenfabrik GmbH. “There is a growing demand for power saving and dependable pumps that attain high delivery heads with nice effectivity.” With its new Alligator chopper pump series, which may even be available as an explosion-proof version, HOMA has developed a particularly environment friendly response to this demand.
Cutter system shreds all solids with high effectivity
“Our aim was to realize excessive delivery pressures in the medium flow price range,” stories Konstantin Pörsch. Without forfeiting pump fee, the improved effectivity meant that a smaller, cheaper and extra power saving motor than in different pumps in the same working range was adequate. To achieve this, HOMA developed a new cutter system that effectively shreds and removes large portions of numerous solids such as tear-resistant hygiene wipes, plastic bags and wooden, 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. This design allows the two central components to work collectively to catch solids, break them down and finally take away them from the suction area via built-in grooves in the put on plate.
To allow larger efficiency with out compromising on cutting efficiency, the blades of the impeller additionally curve strongly backwards. As a result, in the 50 Hz version, a move fee of up to a hundred thirty m³/h and a supply head of up to fifty seven m could be achieved with power consumption of 5 to 12 kW. In the 60 Hz version, with energy consumption of 8 to twenty kW, a move price of up to a hundred and forty m³/h and a delivery head of as much as eighty two m are possible. The suction cowl mounted on the pump housing may additionally be used to regulate 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 as properly as dry set up, is its great effectivity and efficient cutter system, coupled with an extended service life,” provides Konstantin Pörsch.
Low lifecycle costs due to wear-resistant design
In order to realize not solely the very best effectivity values within the working range required for these sorts of wastewater functions, but additionally to scale back lifecycle prices general, HOMA attaches great importance to low-maintenance operation in addition to effectivity. The impeller and put on plate, which are the components subject to the most stress, are made from extraordinarily sturdy chilled chrome cast iron, which withstands even abrasive substances similar to sand within the pumped medium. In addition, the hydraulics were optimally designed for the operating range using computational fluid dynamics (CFD) to increase efficiency and to remove any risk of solids increase, which might negatively influence performance and lead to expensive pump failures. “With เครื่องมือที่ใช้วัดความดันเลือด developed cutter system, the Alligator pumps can successfully break down all solids in the waste water and transport them away, saving each vitality and upkeep prices due to their excessive efficiency and wear-resistant supplies,” Konstantin Pörsch sums up. “This makes them notably suitable for waste water functions that require excessive supply pressure, however at the similar time should cope with many alternative sorts of solids.”
HOMA will be presenting the brand new Alligator chopper pump collection for the primary time at IFAT 2022 in Munich. This and different innovations, corresponding to the maintenance slide with sliding motor mount, might be defined and demonstrated by the HOMA sales staff in Hall B1 at Stand 429/528.
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