PROCESS AND EQUIPMENT FOR THE DRY CLEANING OF SUGARCANE HARVESTED IN BILLETS AND CONTAINING STRAW AND OTHER IMPURITIES
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Jun 20, 2012
filing date -
Jun 20, 2011
priority date (Note) -
Abandoned
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Abstract
The process comprises the steps of: distributing a sugarcane load, with mineral and vegetable impurities, on a conveyor belt (12), forming thereon a sugarcane and impurity mattress; submitting the mattress to a dosing and spreading operation, forming a thin and dispersed curtain in gravitational displacement in a first chamber portion (15); submitting the sugarcane and impurity curtain to a transversal and ascending forced air flow, displacing the impurities outwards from the curtain to the interior of a first collecting compartment (21) and of a second and a third chamber portion (22 and 27); deflecting the fraction of forced air flow, received in the third chamber portion (27), obtusely in a plurality of adjustable “Persian blinds” (28), decompressing the air flow; discharging the clean sugarcane load and the impurities through a clean sugarcane lower outlet (19) and through impurity outlets (21a, 23a and 26a).
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