Product category:
Mixers, Blenders, Grinders and Mills
News Release from: Chemineer | Subject: Greerco Reversible Homogenizer
Edited by the Processingtalk Editorial
Team on 12 February 2008
Atmospheric deaeration with reversible
homogeniser
The Greerco Reversible Homogenizer from Chemineer can produce high quality shampoos, gels, creams, and lotions - without the need for vacuum processing vessels or in-line vacuum de-aeration devices
Designed for in-tank atmospheric de-aeration and flow-direction control, the Greerco Homogeniser is effective across a wide viscosity range, including both liquid and powder components, and has the flexibility to consistently produce bubble-free end-products in different batch sizes When the powder or liquid addition phase of the process is complete, the Homogeniser is switched to run briefly at full speed to fully homogenise the batch and completely disperse any remaining agglomerates
This article was originally published on Processingtalk on 14 Feb 2003 at 8.00am (UK)
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At this point in the manufacturing, when the deflector plate is located precisely at the surface level of the liquid-at-rest, de-aeration begins.
The operator adjusts the speed of the homogeniser to provide a smooth, laminar, non-splashing flow that moves 360degrees away from the circular deflector plate.
Entrained air bubbles are drawn up from the bottom of the batch and distributed gently at the surface of the liquid.
After approximately 30 minutes of atmospheric pressure de-aeration (depending on viscosity), the batch is fully de-aerated.
In addition to the Greerco Homogeniser, Chemineer also designs and builds the Greerco Pipeline Mixer for use in continuous in-line homogenisation, particle size reduction or dispersion, and also the Greerco Colloid Mill, which allows the user to easily modify the shear rate in batch, batch-continuous or in-line applications.
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