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Western Wheat Quality Laboratory Wheat Analysis System

Wheat Analysis System – Buhler Experimental Mill

buhler_millFigure 1. Schematic flow of the Buhler experimental mill showing a range of the average feed rates, flour yields, and flour ash of the various classes of wheat. Roll settings are varied for optimum clean-up and reduction of the stock, and feed rates according to the bolting and reduction properties.

 

 

 

 

Figure1

DIAMETER – 6 INCHES
ROLLS: DIFFERENTIAL – 2 TO 1
SURFACE – 300 SQUARE INCHES
BOLTING SURFACE – 288 SQUARE INCHES
WHEAT TYPE FEED RATE
(G./ MIN.)
FOUR YIELD
(%) *
FLOUR ASH
(%) **
WHITE CLUB 145 – 160 73 – 75 0.39 – 0.41
HARD RED WINTER 115 – 130 68 – 73 .35 – .42
COMMON (SOFT) WHITE 90 – 120 67 – 72 .35 – .43
* BASIS TOTAL RECOVERED FROM MILL
** ASH CONTENT OF STRAIGHT-GRADE FLOUR