Direct reduction shaft furnace with probe for measuring interior gas analysis
AssigneeArcelorMittal
InventorsMahdi FARAHANI, Justin FARLEY, George TSVIK, Gabriel Jesus LUCENA MOGOLLON
Life of this patent
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Abstract
A direct reduction shaft furnace having at least one probe disposed vertically within the reduction zone thereof. The probe preferably extends from the top to the bottom of the reduction zone. The probe allows for gas sampling along the length thereof and transmittal of the gas to at least one type of gas analysis device. The probe may also allow for the measurement of the temperature and pressure of the gas sample as it is taken.
Claims16
An apparatus for the direct reduction of metal ore, the apparatus comprising:
- a vertical direct reduction shaft furnace, the vertical shaft furnace having a metal ore reduction zone in an upper region of the vertical shaft furnace and a cooling zone in a lower region of the vertical shaft furnace;
- at least one probe for sampling gas from within the reduction zone of said vertical shaft furnace;
- the at least one probe being disposed vertically within the reduction zone and extending through the entire reduction zone;
- the probe comprising a plurality of sampling pipes, each sampling pipe having an upper portion and an end portion and arranged to intake gas samples from a different depth in the reduction zone, including at least one depth corresponding to the upper region and at least one depth corresponding to the lower region, the sampling pipes being disposed within at least one support pipe.
An apparatus for the direct reduction of metal ore, the apparatus comprising:
- a vertical shaft furnace, the shaft furnace having a metal ore reducing zone;
- at least one probe for sampling gas from within the reduction zone of said vertical shaft furnace;
- the at least one probe being disposed vertically within the reduction zone and extending through the entire reduction zone;
- the probe comprising a plurality of sampling pipes, each sampling pipe having an upper portion and an end portion, the sampling pipes being disposed within at least one support pipe.
Dependencies are inferred from the claim text.