Food Waste Pumps / High Solid Content / Viscosity Changes /
Self-Priming
Upon completion of the anaerobic digestion process, the digestate
and waste water is pumped from the tank by a lobe pump for further
use as fertilizer. The final product of biogas is then filtered and
processed further, ready to be fed into the national gas grid. By
receiving outside waste from households, restaurants and local
industry, the brewery can also charge per tonne at a rate lower
than that of the Landfill Tax. Some of the gas is also tapped off
and used for wagons that collect waste food.
Much of the process is self-wetting, and thus doesn’t need
additional liquid to be added so that it can be processed
efficiently because food waste has such high water content. Accuvon
pumps are ideal for handling this type of material, which has the
consistency of slurry, especially if it contains eggshells which
can be very abrasive to pumps. Because of its high viscosity
,Accuvon lobe pump is suitable for sludge and slurry, paper pulp,
effluent, mash and many other fluids which are viscous or have a
high solid content
Viscosity changes
Resistant to clogging even when pumping fibred fluids and
unaffected by viscosity changes, Accuvon lobe pumps is suitable for
water treatment including thick sludge, thickened media, slurries,
sewage and waste water. In food and beverage, it can handle
diatomaceous earth, slurry, yeast, sugar, gelatine, hop, corn and
malt, as well as agricultural waste such as chicken necks, bones,
compost, biogas and pet food.
Because Accuvon’s technology can handle both viscous material and
is tolerant to abrasive waste, even in where a product needs to be
drawn from a tank, a Accuvon lobe pumps provides exceptional
suction lift, so it can vacuum the dregs up and abrasion is not an
issue. It can also run dry without damage.
Application Data:
| Pump type | Accuvon AC50 - AX250 |
| Pumped medium | Food Waste |
| Temperature | 60°C |
| Rated capacity | 100 m³/h |
| Speed | 190 rpm |
| pH-value | neutral |
| Entrance pressure | / |
| Working pressure | 2 - 8 bar |
Technical Data:
| Casing | Grey cast iron |
| Radial casing liners | Hart metal |
| Casing protection plate | Hart metal |
| Mechanical seal | SIC / SIC |
| O-Rings | FKM or NBR |
| Shaft seals | FKM or NBR |
| Rotors | dual-lobe, linear, Premium profile, steel |
| Drive | Helical gear motor |
Advantages of this Accuvon rotory lobe pumps
| 1 | - Free ball channel Ø 75 mm |
| 2 | - Low-wear biogas rotor with Premium profile |
| 3 | - Electronic protection from running dry |
| 4 | - Pumping of abrasive Media |
| 5 | - Resistant to pressure |
| 6 | - Self-priming |
| 7 | - Ease of maintenance (Maintenance in Place) |
operating principle
• Self-priming, valveless, positive displacement pump
• Designed with two shafts with parallel axes
• The shafts move relatively to one another thanks to external
timing gear
• The displacers (=rotors) roll off each other with minimum axial
and radial clearance
• In every position, the rotors and casing close the suction
chamber against the pressure chamber
• Gentle, low-pulsation pumping
• For viscous, solid, abrasive or shear-sensitive media
Accuvon's range of rotors –the Premium rotor
Premium profile– of biogas rotors
• Large sealing area
• Effective wiper edge
• Pressure-resistant
• Made of steel, stainless steel or plastic
axial and radial casing protection
To protect the pump casing from abrasive media and solids, we
developed replaceable casing protection plates and liners several
years ago.
The casing protection is replaced in a few steps, based on the MIP
principle.
Easy maintenance– Maintenance in Place
• Reduced maintenance times and downtimes
• Maintenance at installation site by customer's in-house staff
