A High Speed Disperser is a single shaft mixer used to break apart or dissolve solid particles in a liquid. This is typically accomplished using a "saw tooth" blade rotating at high speed. The blade imparts high shear forces to the ingredients being dispersed, breaking them apart. Through proper blade selection and sizing, a flow can be established that will repeatedly turn over the batch and yield a homogeneous product. Dispersers are most often used to mix low viscosity products such as paints.
High Speed Dispersers are available with variable speed mixing shafts. Some are directly mounted atop a tank and are fixed to operate with the blade in only the original mounting position. Other tank mounted dispersers can raise and lower the blade by several feet (to better control the vortex) without exiting the tank. Another design, perhaps the most popular, places the disperser on top of a hydraulic lift that is mounted to the floor. The lift enables the operator to raise the blade completely out of the mixing vessel and change to another vessel. This technique uses small portable tanks (up to 2000 liters) that can be rolled away on wheels or picked up with a fork truck. Larger stationary tanks are often centered within the arc of rotation from the center of the hoist to the center of the mixing shaft. The bridge containing the mixing shaft at one end and the motor at the other is then rotated from one tank to the next.
Disperser, Twin Shaft Disperser, High Speed Disperser
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