Double arm kneader

FIG. 18-41 Agitator blades for double-arm kneaders a) sigma (h) dispersion (c) miiltiwiping overlap (d) single-curve (e) doiible-naben. (APV Baker Ferkins, Inc.)... 

Working capacities range from 4 to 3800 L (1 to 1000 gal), with up to 300 kW (400 hp). This type of kneader is offered by most of the double-arm-kneader manufacturers. It is particularly suitable when a heel from the prior batch can be left without detriment to succeeding batches. 

Figure 10.15. Some mixers and blenders for powders and pastes, (a) Ribbon blender for powders, (b) Flow pattern in a double cone blender rotating on a horizontal axis, (c) Twin shell (Vee-type) agglomerate breaking and liquid injection are shown on the broken line, (d) Twin rotor available with jacket and hollow screws for heat transfer, (e) Batch muller. (f) Twin mullers operated continuously, (g) Double-arm mixer and kneader (Baker-Perkins Inc.), (h) Some types of blades for the double-arm kneader (Baker—Perkins Irtc.).

FIG. 18-42 Typical application and power for double-arm kneaders. To convert horsepower per gallon to kilowatts per cubic meter, multiply by 197.3. [Parker, Chem. Eng. 72(18) 125 (1965) excerpted by special permission of the copyright owner, McGraw-HiU, Inc.]... 

For double arm kneaders, edge mills and Banbury mixers see Section 7.4. For static mixers, see Section 6.6. 

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