Ceramic Industry News

L&L Special Furnace Ships Units to Solar Power Manufacturer (posted 9/2/09)

September 2, 2009
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L&L Special Furnace Co., Inc. has shipped two high-uniformity bell type furnaces for use in the manufacture of photovoltaic solar panels. The primary purpose of the furnaces is to evenly heat pure silicon bars to temperatures up to 1200°C and hold for two to three hours in order to prepare the material for the manufacture of solar cells.

The first unit was shipped to the customer’s research and development facility in the U.S., while the second was shipped to the manufacturer in China. These furnaces will be used in a global market for countries seeking to become less dependent on imports of foreign energy.

A heavy-duty electric motor lifts the counterbalanced furnace shell 25 in. to allow for loading. The series of silicon bars are loaded into a rack system and placed in the furnace. The L&L model WQ11 furnace has a work envelope of 17 in. wide by 126 in. long by 24 in. high. The furnace is capable of ± 10°C at 1200°C throughout the work envelope. It includes Honeywell UDC3200 program control and an over-temperature protection system, as well as a Honeywell DR450T circular chart recorder.

For more information, call (610) 459-9216, fax (610) 459-3689, e-mail tom@hotfurnace.com or visit www.hotfurnace.com.

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