Problematic solids such as sanitary towels, plastic luggage, textiles and wooden are being discovered more and more usually in wastewater. Pumping and sewage treatment crops are due to this fact more and more reaching their limits; items get clogged up and break down.
In instances when low lifecycle costs are taking half in an ever more necessary function, HOMA Pumpenfabrik presents an energy environment friendly and dependable answer for areas the place a excessive supply head is required, however on the similar time, a various vary of solids is anticipated: the Alligator chopper pump series. The newly developed OC impeller of the Alligator collection enables efficient operation through a robust cutter system. Thanks to the utilization of highly sturdy chilled chrome forged iron, the principle parts that are subject to essentially the most stress carry out reliably even with abrasive substances corresponding to sand. HOMA might be presenting the new Alligator chopper pumps for the first time at IFAT 2022 in Munich.
“The lowest possible lifecycle prices 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 rising demand for vitality saving and dependable pumps that reach excessive delivery heads with great efficiency.” With its new Alligator chopper pump collection, which may also be obtainable as an explosion-proof version, HOMA has developed a very environment friendly response to this demand.
Cutter system shreds all solids with high effectivity
“Our aim was to achieve high delivery pressures within the medium flow fee range,” reports Konstantin Pörsch. Without forfeiting pump price, the improved efficiency meant that a smaller, cheaper and more power saving motor than in other pumps in the same operating vary was sufficient. To achieve pressure gauge ด้าน ดูด , HOMA developed a new cutter system that successfully shreds and removes large portions of diverse solids similar to tear-resistant hygiene wipes, plastic luggage and wood, which additionally get into the wastewater via surface water. The specially designed impeller has integrated cutters and a sharp-edged radius of 10 mm to the wear plate, which can be outfitted with its own cutter. This design allows the two central elements to work collectively to catch solids, break them down and in the end remove them from the suction area via built-in grooves in the put on plate.
To allow larger efficiency with out compromising on slicing efficiency, the blades of the impeller also curve strongly backwards. As a result, in the 50 Hz model, a move fee of as much as one hundred thirty m³/h and a delivery head of as much as fifty seven m can be achieved with power consumption of 5 to 12 kW. In the 60 Hz model, with energy consumption of eight to twenty kW, a flow price of as much as a hundred and forty m³/h and a delivery head of up to eighty two m are possible. The suction cover mounted on the pump housing can also be used to adjust the chopping gap between the impeller and the wear and tear plate with the assist of six set screws. “The power of our new Alligator collection, which is on the market for wet well set up in addition to dry set up, is its nice efficiency and efficient cutter system, coupled with a protracted service life,” provides Konstantin Pörsch.
Low lifecycle costs due to wear-resistant design
In order to realize not only the absolute best effectivity values in the working vary required for these sorts of wastewater applications, but also to cut back lifecycle costs overall, HOMA attaches great importance to low-maintenance operation in addition to effectivity. The impeller and put on plate, which are the parts subject to the most stress, are made of extremely sturdy chilled chrome cast iron, which withstands even abrasive substances such as sand within the pumped medium. In addition, the hydraulics were optimally designed for the operating vary using computational fluid dynamics (CFD) to increase efficiency and to get rid of any risk of solids increase, which may negatively impact efficiency and lead to 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 vitality and upkeep prices thanks to their high effectivity and wear-resistant materials,” Konstantin Pörsch sums up. “This makes them notably appropriate for waste water functions that require excessive delivery strain, but on the similar time should deal with many various kinds of solids.”
HOMA shall be presenting the new Alligator chopper pump collection for the first time at IFAT 2022 in Munich. This and other innovations, corresponding to the maintenance slide with sliding motor mount, shall be explained and demonstrated by the HOMA gross sales group in Hall B1 at Stand 429/528.
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