Plasma furnace inert gas recycling system and process

A system and method for conditioning and recycling inert gases which are used in a plasma furnace (10). The method comprises the steps of receiving the gas that is output from the plasma furnace and cooling the gas to a desired temperature. Substantially all the dust is removed from the gas (14, 16,...

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Bibliographic Details
Main Authors RASMUSSEN, PATRICK L, STOCKS, STEPHEN C
Format Patent
LanguageEnglish
French
German
Published 02.08.1989
Subjects
BLASTING
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE
FURNACES
HEATING
KILNS
LIGHTING
MECHANICAL ENGINEERING
OVENS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
RETORTS
SEPARATION
TRANSPORTING
WEAPONS
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Summary:A system and method for conditioning and recycling inert gases which are used in a plasma furnace (10). The method comprises the steps of receiving the gas that is output from the plasma furnace and cooling the gas to a desired temperature. Substantially all the dust is removed from the gas (14, 16, 20) and then the gas is compressed to the desired pressure using an oil-flooded screw compressor (28). Any oil which is introduced by the compressor is removed from the gas (30) and an alarm (40) is provided to signal a high oil level. Substantially all water vapor in the gas is removed (46) and the gas is filtered (48) to remove any remaining dust and small particulates. The amounts of water vapor and oxygen in the gas are monitored (50). The gas is then recycled to the plasma furnace (10).
Bibliography:Application Number: EP19880114462