METHOD OF COMMINUTING FERTILIZER SLUGS IN A TWO-ROLL MILL
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United States of America Patent
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Issued Date -
Nov 2, 2023
app pub date -
Nov 9, 2021
filing date -
Nov 30, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for comminuting fertiliser slugs or slug pieces in a two-roll mill (3) in the course of producing granular fertiliser material, wherein the two-roll mill (3) has two rotatingly driven grinding rolls, the roll surfaces of which are provided with a profiling, wherein the slug or slug pieces is/are placed on the two-roll mill (3) and comminuted into granular material in the roll nip formed between the grinding rolls, wherein the grinding rolls rotate at a circumferential speed of more than 5 m/s. This e method is characterised in that the surfaces of the grinding rolls are cooled during operation.
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