Powder blenders and mixers

In applications such as the preparation of tableting feeds and the manufacture of detergent powders, the aim is to produce small agglomerates (usually 2 mm diameter and less) with improved flow, wetting, dispersing or dissolution properties. This is accomplished by superficially wetting the feed powder, often with less than 5% of bridging liquid in the form of a 

In the standard wet granulating method used to produce tablet feed in the pharmaceutical industry, sigma blade or heavy duty planetary mixers are often employed [12]. These machines may handle 220 or 440 lb (100 or 200 kg) batches and employ 7 to 10 hp (5.2 to 7.5 kW) drives to knead and 

Pinmixers used for pelleting carbon black. Test results with a furnace oil carbon black. Reproduced from ref. [11]. 

Pinmixers tested Two existing 20 X 100 rubberlined units Experimental 30 X 100 stainless steel unit (one only) 

Characteristics of K-G/Shugi blender-agglomerators (shown in Fig. 4.5). (Courtesy Bepex Corporation.) 

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