HIGH TEMPERATURE ALLOY PARTICLE DOSING DEVICE
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United States of America Patent
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Issued Date -
Feb 9, 2017
app pub date -
Aug 4, 2016
filing date -
Aug 7, 2015
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Abstract
A process and a device are provided that avoid the problems expressed earlier in order to produce a current of alloy particles at temperatures above 400° C. that will ultimately be used to alloy or chemically treat liquid metal streams. The invention that is presented is composed of a chamber heated by one or more gas burners, where a current of alloy particles with the pre-established massic or volumetric flow is input either manually or via the use of a gravimetric or volumetric dosing device that operates at room temperature located in an area above the chamber. These particles are heated by radiation from the walls of the chamber and by the radiation and convection of the flames of the burners that sweep them along during their flight inside the device for the time that they remain inside the chamber. As result of the use of the proposed device and the process, during which a great amount of energy is received during their passage through the device, the alloy particles reach the required temperature prior to their incorporation into a metallic current.
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