SAMPLE PULVERIZING DEVICE AND PULVERIZING METHOD

PROBLEM TO BE SOLVED: To obtain a desired particle size and uniform distribution at the time of pulverizing a sample. SOLUTION: A sample is pulverized between a circumferential wall 11 and the outer peripheral surface of a rotor stone 2 by housing the doughnut-like rotor stone 2 in a cylindrical pul...

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Bibliographic Details
Main Authors SATO SHIGEOMI, MOCHIZUKI TADASHI, OKANO SANJI, YOSHIOKA YUTAKA
Format Patent
LanguageEnglish
Published 27.10.1998
Edition6
Subjects
CRUSHING, PULVERISING, OR DISINTEGRATING
CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL
MILLING GRAIN
PERFORMING OPERATIONS
PREPARATORY TREATMENT OF GRAIN FOR MILLING
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To obtain a desired particle size and uniform distribution at the time of pulverizing a sample. SOLUTION: A sample is pulverized between a circumferential wall 11 and the outer peripheral surface of a rotor stone 2 by housing the doughnut-like rotor stone 2 in a cylindrical pulverizing pot 1 and by moving the rotor stone 2 through eccentrically revolving and shaking the pulverizing pot 1. Since the weight of the rotor stone 2 is adjusted by changing the inside diameter of the rotor stone 2 without changing the outside diameter, the average particle size is changed while keeping the uniformity to control the particle size of the pulverized sample. The rotor stone 2 is doughnut-like, a screen is composed of a reinforcing plate in the inside and a sieve in the outside and the opening ratio of the reinforcing plate 5 is made to be between 50% and 75%.
Bibliography:Application Number: JP19970095664