Listing ID #3534945
Company Information
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Contact SupplierMedia : Solid Powders, Dough, Viscous Pastes
Mode of Operation : Batch Mixing
Design and Operation
Mixing Vessel - The double planetary mixer consists of a vertical cylindrical vessel (referred to as the bowl) within which two mixing blades (referred to as beaters) rotate. The double planetary mixer belongs to the family of change can mixers. In change can mixers; there is a provision to remove the mixing bowl from the mixer assembly either by lowering the bowl from the mixer operating position, or by lifting the mixer drive system. The lifting and lowering is through hydraulic operation. A cylindrical cover is provided between the planetary head and the mixer bowl. Charging nozzles, liquid spray pipes, vacuum connections may be provided on the charging cover.
Mixing Blades - The beaters rotate on their own axes, and at the same time they orbit the mixing vessel around the axis of the bowl. The clearance between the external periphery of the beaters and the internal walls of the bowl is generally in the range of 2 – 3 mm.
Mixer Drive System – The double planetary mixer is powered by a drive system comprising of a motor and gearbox that drive the planetary head assembly of the mixer. The planetary head assembly consists of a gear train that causes the planetary motion of the beaters.
Mixer Seals – The mixer shaft is provided with a sealing arrangement in the area where it exits the planetary head. The mixer seals in a double planetary mixer do not come in contact with the process material.
Material Charging and Discharging – Material is loaded in the bowl directly, or may be charged through nozzles provided on the top cover. Discharge of material is generally through manual scooping of material from the top of the bowl.
Heat Transfer – Double planetary mixers are commonly provided with jackets for circulation of heating or cooling media.