How to Handle the Fire’s Feed

Effective Utilization of Alternative Fuels

How to Handle the Fire’s Feed

During the most recent decades the utilization of (otherwise) waste materials and biomass as alternative fuels in the cement industry and power plants showed great growth figures. However, the low heat values of alternative fuels require larger handling and storage systems that are more flexible. This article shows, how these materials can be handled.
(ed. wgeisler - 21/2/2017)
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Case Studies

Plainfield Renewable Energy/Enova Energy Group

The Enova Energy Group embarked on a renewable energy project in Plainfield, Connecticut in 2011 to generate 37.5 MW of clean energy utilizing waste wood from construction and demolition debris, recycled wood pallets and land clearing materials. The biomass plant features a wood storage yard, fluidized bed gasification system, condensing steam turbine generator, cooling tower, ash silo, scrubber, bag house, electrical switchyard, storm water storage and treatment and balance of supporting plant systems. [3]

Bedeschi America, Inc., was selected for the fuel handling system consisting of an over-head tripper/stacker and a portal reclaimer. Prepared fuel is delivered to the plant where the covered storage hall can house five days of fuel. Bedeschi's overhead tripper stacker (TRP 9/1200) utilizes a 1200 mm belt and the portal reclaimer (PAL P200/21+4) features blades with a length of 2 meters and a boom length of 25 meters (see öpener picture). The project data are presented in Table 1.

Table 1: Plainfield project data

Due to the potential of wood dust explosions, we were required to supply Class 2 / Div 2 electrical equipment, namely motors, switches and pump skids.

Middle-East Cement Plant

A Middle Eastern cement company asked Bedeschi SpA to propose a multi-fuel handling system for their facility which is capable of handling a diverse array of fuels. The system comprises of a receiving feeder, storage facilities and a bulk handling system complete with dust suppression. The fuels to be handled are: coal, petcoke, oil shale and olive residue, as presented in Table 2.

Table 2: Middle-east cement project data

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