Topic
Jet mill
About: Jet mill is a research topic. Over the lifetime, 803 publications have been published within this topic receiving 5686 citations.
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06 Nov 1992
TL;DR: In this paper, a method for increasing the efficiency of the grinding of finely divided material, where primary material is ground in a counter jet mill and the product formed is classified into a fine fraction and a coarse fraction and the coarse fraction received is returned to the counter jet machine.
Abstract: This invention refers to a method for increasing the efficiency of the grinding of finely divided material, wherein primary material is ground in a counter jet mill (9) and the product formed is classified into a fine fraction and a coarse fraction and the coarse fraction received is returned to the counter jet mill (9). The method is characterized in that coarse fraction is led via a pressure roller crusher (13) to the feed funnel (2) of the counter jet mill.
1 citations
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22 May 2008
TL;DR: In this paper, a spraying jet mill is used to ground materials at a radial position according to the demanded particle size distribution of the materials to be ground from the outlet provided nearly at the center of the lower member.
Abstract: PROBLEM TO BE SOLVED: To provide a spraying jet mill for grinding materials to be ground in a state of having a demanded particle size distribution. SOLUTION: The upper member 12 of a jet mill body 2 keeps air nozzles for jetting an air stream at a predetermined angle with respect to the center line 100 of a disk-like grinding chamber 8 disposed on a ring-shaped side wall. The upper member has supply ports 14a-14c for materials to be ground at a radial position according to the demanded particle size distribution of the materials to be ground from the outlet 6 provided nearly at the center of the lower member 10. Moreover, the jet mill body 2 is connected to a supply device 16 for materials to be ground with supply pipes 18a-18c having switching valves 20a-20c, and the respective supply pipes 18a-18c are connected to the supply ports 14a-14c. COPYRIGHT: (C)2008,JPO&INPIT
1 citations
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21 Jun 1989
TL;DR: In this paper, the title compound obtained by reaction between 2,6-dichloropyridine and methylamine was ground in the presence of water into a specific particle diameter or grinding to the specific particle size and washing with water.
Abstract: PURPOSE:To readily purify the title compound in an approximately quantitative recovery ratio, by grinding the title compound obtained by reaction between 2,6-dichloropyridine and methylamine in the presence of water into <= specific particle diameter or grinding to the specific particle diameter and washing with water. CONSTITUTION:2-Chloro-6-methylaminopyridine obtained by reaction between 2,6-dichloropyridine and methylamine is ground in the presence of water into <=500mum average particle diameter, preferably 5-500mum or ground into the particle diameter and washed with water to give 2-chloro-6-methylaminopyridine industrially and advantageously. Dry grinding method using jet mill or wet grinding method using sand mill may be used as the grinding method.
1 citations