เพรสเชอร์เกจไฮดรอลิค corresponding to sanitary towels, plastic baggage, textiles and wooden are being discovered increasingly typically in wastewater. Pumping and sewage treatment vegetation are subsequently more and more reaching their limits; items get clogged up and break down.
In occasions when low lifecycle prices are taking part in an ever extra important position, HOMA Pumpenfabrik offers an energy environment friendly and reliable answer for areas where a excessive supply head is required, however on the similar time, a various vary of solids is predicted: the Alligator chopper pump collection. The newly developed OC impeller of the Alligator collection permits efficient operation by way of a robust cutter system. Thanks to the use of extremely durable chilled chrome cast iron, the principle components which may be subject to the most stress carry out reliably even with abrasive substances corresponding to sand. HOMA will be presenting the new Alligator chopper pumps for the first time at IFAT 2022 in Munich.
“The lowest possible lifecycle costs have gotten increasingly important 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 reliable pumps that reach excessive delivery heads with great efficiency.” With its new Alligator chopper pump sequence, which may also be available as an explosion-proof model, HOMA has developed a particularly efficient response to this demand.
Cutter system shreds all solids with excessive efficiency
“Our objective was to attain excessive delivery pressures within the medium circulate rate vary,” stories Konstantin Pörsch. Without forfeiting pump rate, the improved effectivity meant that a smaller, cheaper and more power saving motor than in different pumps in the identical operating range was enough. To achieve this, HOMA developed a new cutter system that effectively shreds and removes massive quantities of numerous solids corresponding to tear-resistant hygiene wipes, plastic baggage and wood, which additionally get into the wastewater through floor water. The specially designed impeller has integrated cutters and a sharp-edged radius of 10 mm to the put on and tear plate, which can additionally be outfitted with its own cutter. This design allows the two central elements to work together to catch solids, break them down and finally take away them from the suction space by way of integrated grooves within the wear plate.
To enable greater efficiency without compromising on slicing performance, the blades of the impeller additionally curve strongly backwards. As a result, within the 50 Hz version, a circulate fee of up to a hundred thirty m³/h and a delivery head of up to fifty seven m can be achieved with energy consumption of 5 to 12 kW. In the 60 Hz model, with power consumption of 8 to twenty kW, a flow fee of as much as 140 m³/h and a delivery head of as much as eighty two m are possible. The suction cover mounted on the pump housing can be used to adjust the chopping hole between the impeller and the wear plate with assistance from six set screws. “The energy of our new Alligator collection, which is available for wet nicely set up in addition to dry set up, is its great effectivity and efficient cutter system, coupled with an extended service life,” provides Konstantin Pörsch.
Low lifecycle prices thanks to wear-resistant design
In order to realize not solely the finest possible effectivity values within the working range required for these sorts of wastewater applications, but also to scale back lifecycle prices total, HOMA attaches great significance to low-maintenance operation in addition to effectivity. The impeller and put on plate, which are the components topic to the most stress, are made of extraordinarily sturdy chilled chrome cast iron, which withstands even abrasive substances corresponding to sand in the pumped medium. In addition, the hydraulics had been optimally designed for the operating range utilizing computational fluid dynamics (CFD) to extend efficiency and to eliminate any risk of solids build up, which might negatively influence performance and result in costly pump failures. “With the newly developed cutter system, the Alligator pumps can successfully break down all solids within the waste water and transport them away, saving each vitality and upkeep prices thanks to their high efficiency and wear-resistant materials,” Konstantin Pörsch sums up. “This makes them significantly suitable for waste water purposes that require high delivery stress, but on the identical time have to take care of many various sorts of solids.”
HOMA will be presenting the new Alligator chopper pump sequence for the primary time at IFAT 2022 in Munich. This and other innovations, such as the upkeep slide with sliding motor mount, might be explained and demonstrated by the HOMA sales staff in Hall B1 at Stand 429/528.