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Moyno Grinders

Annihilator™ Grinders

The Moyno Series 4 Annihilator grinder features optimized cutter combinations, one-piece flange housing and a quick change cutter cartridge. Annihilator grinders protect downstream equipment from being plugged or damaged from large solids, reducing expensive repairs.

The Series 4 Annihilator features a quick change cutter cartridge that ensures fast, easy replacement of the cutter assembly for reduced downtime and lower maintenance cost. There are no flange bolts to disconnect on the Series 4 Annihilator due to its one-piece flange housing, making overall repairs easier and quicker.

The Moyno Annihilator utilizes the field-proven counter-rotating, hexagonal shaft design with intermeshing cutters and spacers. However, the Moyno Annihilator vastly increases the cutting capabilities of other grinders by utilizing cutting teeth on the spacers, thereby improving the cutting efficiency while decreasing the particle size processed through the unit. The patented design also eliminates the greatest cause of failure of conventional units - that of stringy material wrapping around the spacers, causing seal failure, mechanical seizure and ultimately, shaft fracturing. Moyno Annihilators dimensionally retro-fit other twin shaft grinders and are easily adaptable to existing channel and pipe works with little or no modifications.

features

    • Twin shaft grinder with hardened steel cutters
    • Patented spacers with cutting teeth for greater cutting efficiency
    • Mechanical seals and bearing mounted on single stainless steel sleeve for quick on-site replacement of worn components without purchasing complete cartridge designs
    • Dimensionally retrofits other twin shaft grinders
    • Prevents line blockages, clogging, ragging and inconsistent particle size
    • Electronic control package for reduced overload risk
    • Low total cost of ownership
    • Flow rates from 300 to 4,250 GPM or .43 to 6.12 MGD
performance Features

    • Standard 5-tooth, reversible cutters of 4130 alloy steel hardened to 45-50 Rockwell C
    • Patented, 7-tooth spacers of 4130 alloy steel hardened to 45-50 Rockwell C
    • Standard cutters in 7-tooth reversible, 7-tooth cam, and 11 tooth cam configurations
    • Optional cutters 17-4 PH stainless steel
    • 2" or 2-1/2" hexagonal shafts of 4140 alloy steel 45 - 50 Rockwell C hardness, or 17-4 PH stainless steel 40 - 45 Rockwell C
    • Lubrication fitting for ease of servicing the gears in the top housing
    • High strength steel gears
    • Replaceable, hardened wear plates
    • Class 30 ductile iron housings and flanges
    • Optional stainless steel housings and flanges
    • Concave side rails for positive feeding of influent
    • 3 HP or 5 HP, 230/460 V, 60 HZ, 3 phase, 1750 RPM, TEFC motor
    • Optional explosion proof and submersible motors
typical Applications

    • Sewage lift stations
    • Wastewater treatment plant head works
    • Sludge processing
    • Screenings
    • Digester recirculation
    • Clarifier sludge
    • Pulp and paper recycling
    • Correctional institutions
    • Food waste
    • Bulk trash cycle reduction
    • Marine sewage
    • Hazardous waste disposal
    • Bulk solids processing