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The PerMix PSG series Sigma Mixer / Sigma Mixer Extruders, which is also known as the Double Sigma Mixer, or Double Z Blade Mixer, is used for the mixing-kneading of materials with very high viscosity (over 500,000 cps).
With its unique design of Z-shaped mixing tools installed in two semi-cylinders, the PerMix PSG series SigmaMixer / Sigma Mixer Extruder is able to provide a combined functions of compressing, stretching, folding, kneading & mixing, which makes it widely used in the chemical, food, sealing compound and paint industries, among others. If a screw extruder is applied for discharging, the mixer is also called Sigma MixerExtruder, or Mixtruder.
In the PerMix PSG series Sigma Mixer / Sigma Mixer Extruder, there are two special designed Z-shaped rotating elements installed in a W-shaped chamber, the intersection of which forms a saddle piece and meeting tangentially just above the saddle. They rotate at different speeds (usually in the ratio of 3:2) and in opposite direction.
The Sigma Mixer Extruder has a screw fed extruder mounted on the bottom of the trough, that extrudes the product and discharges the product through and end plate that is also equipped with a dye plate and knife set. The dye plate and knife set can be customized to allow for forming of shapes, deposited in custom lengths. These dye plates and knife sets can be changed quickly to allow for various shapes and sizes to be extruded. Perfect for bakeries, pet food manufacturers, or food manufacturers.
There are mainly three ways for discharging the product after mixing:
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