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Product Review

PHOENIX/KISA Twin Shaft Logwasher


For 40 years PHOENIX Process Equipment has been providing custom system solutions and equipment for liquid/solid separation in aggregate, mining and other minerals production processing.

The PHOENIX/KISA twin shaft Logwasher is an essential component of a wash plant’s aggregate washing equipment. The Logwasher removes dirt, loam, clay contaminants, and other deleterious materials from raw aggregate materials such as dirty limestone, dolomite, and high silica content gravel. With the capability of handling large rock, high tonnage feed capacities from 220 – 660 STPH and rugged shafts and paddles, our Logwashers are suitable for a variety of applications requiring severe scrubbing and de-agglomeration.

The SWL twin shaft Logwasher is available in several power arrangements and tonnage outputs, including the ability to accommodate rock up to 12 inches.

Applications for the PHOENIX/KISA twin shaft Logwasher include aggregate & gravel washing, coal & wood removal from coarse aggregate, scrubbing coarse lateritic ores, cleaning dirty limestone/dolomite for chemical & cement industries, and demolition waste recycling.

The PHOENIX Logwasher: How does it Work?

Material is fed to the lower end of the trough. Spray bar arrays at the top end of the trough add water while solid material advances up the inclined trough, as the shafts turn, creating paddle action. From here, force-synchronized, interlocked counterrotating twin shafts with staggered paddles create intense paddle-rock & rock-on-rock shear action to remove the impurities from the material. Finally, scrubbed material dumps from the discharge chute at the top end of the trough and waste liberated fines & low density suspended matter exit through the discharge launders.

Features & Benefits

  • Continuous feeding of material up to 660 STPH provides maximum efficiency
  • Feed handling capacity up to 12 inch rock accommodates a variety of aggregate washing applications
  • Force-synchronized, counterrotating twin shafts with heavy-duty steel paddles crush low-density particles for effective washing of impurities
  • Low water consumption of 400 – 800 GPM depending on machine size and feedstock
  • Optional upflow nozzles can be added for higher rates of wood and organic removal

For more detailed information on the PHOENIX Logwashers or to discuss an on-site field demonstration please contact PHOENIX at 502-499-6198. You can also contact PHOENIX directly for complete systems tailored to your requirements including: Classification, Separation, Scrubbing, Effluent Treatment, Water Recovery, Fines and Tailings Dewatering & Disposal.

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