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Detroit RotoGrate® stoker
The premier spreader stoker for high ash, low fusion fuels
Recognized Around The World
 The Detroit RotoGrate stoker is a continuous ash discharge, traveling grate, spreader stoker that is perfect for a broad range of applications. It is recognized worldwide for its efficiency in generating steam and power from coal and refuse.
Suited To Many Applications:
Need a unit that offers exceptional versatility? The installation history of this exceptional design says it all. The RotoGrate® stoker offers broad experience in combustion systems fueled from a spectrum of biomass and waste fuels ranging from low ash poultry litter to high ash coal.
Continuous Ash Discharge:
The RotoGrate stoker features a forward-moving, traveling grate that continuously discharges ash. Specially designed high-resistance grates for spreader firing are available in a choice of materials to suit specific installation requirements.
Hinged Bar Design Facilitates Air Flow:
Ideally suited to troublesome high ash, low fusion fuels, the grate system employs a unique, hinged bar design that permits the individual grate bars to open at the lower portion of the catenary to discharge siftings and facilitate air flow to the fuel bed. The catenary design provides automatic take-up or tensioning of grate chains to prevent jamming.
Additional features:
- Accurate control of air flow to the grate surface is the result of effective and automatic air seals.
- Excellent combustion/emissions control is maintained by a carefully designed high-pressure overfire air turbulence system. Thorough mixing of the fuel gases and combustion air high in the furnace provides effective staged combustion--an important factor in controlling nitrous oxide emissions.
- Precise monitoring of the grate temperature is achieved through thermocouple assemblies.
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