Comparison between circular powder screening and electric powder screening
There are many kinds of powder screening screens, and there are common circular powder screening screens and electric powder screening screens. The circular powder screening screen is also called the new national standard powder screening screen. It is based on the new national standard GB/T5507-2008 "grain and oil inspection powder type thickness. Degree of determination "self-developed powder thickness test sieve.
Flour thickness is generally indicated by sieves that are retained or passed through. For universal flour, different processing precision flour, the thickness of the flour is not the same. The higher the level of flour, the finer the flour. The thickness of the flour not only affects the quality of the flour, but also has a great influence on the technical and economic indicators of the flour mill. For example, many French flour mills require a contact roll length of 6 mm per 100 kg of wheat to be processed every 24 hours, whereas mills in China typically have 12 mm. This shows that the thickness of flour is very important. As a result, various powder screenings have also received relative attention. In grain and oil testing stations, quality supervision bureaus, etc., there are corresponding instruments. Below we mainly analyze the difference between the next two instruments.
YYFS30 × 8 round powder screening: round powder screening according to the new national standard GB/T5507-2008 "grain and oil inspection powder thickness determination" independent research and development of powder thickness test sieve. The principle is that the sample is sieved on sieves of different specifications to achieve different particle separation. Calculate the thickness of powdered grain according to the amount of residue on the screen. In the structure, the worm gear pair with low center of gravity and high precision is used as the variable speed transmission, and the eccentric linkage mechanism is used for the plane rotation motion. Under the action of the internal balance device, the operation is more stable, and the presser rod seat integrated with the tray makes the screen more stable. Reliable, more convenient operation. Electronic timing control, high timing accuracy. The main technical parameters are: screen size: φ300mm×30mm; screen size: CQ: 10, 16, 20, 27; CB: 30, 36, 42; swing diameter: 50mm rotation speed: 260r/min; 50.0g; regular time: 0 ~ 900s.
Electric powder test sieve: According to the GB5507-85 "food oil inspection, powder thickness measurement method" national standard developed a kind of powder thickness measurement of special equipment. The main technical parameters: instrument speed: 200r/min radius of gyration: 40mm maximum sieve: 200g.
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