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Mixers & Blenders


ABOVE: After 1/2 circulation (left) & after 4 circulations (centre) concerns the mixing of sodium carbonate and carbon black. Right: PTS Batchmixer Conclusion


in approximately 6 minutes. The Batchmixer can be partially filled and also allows for a varied ratio of product weights for example < 20 % A and >80 % B. It further achieves concentrations of 0.01 10 % w/w in a single working step with a relative standard deviation of <7% during a mixing process of approximately six minutes. During continued circulation in the Batchmixer, the mixtures remain stable for over 50 minutes. These tests were performed in cooperation with the University of Applied Sciences of Western Switzerland in Sion.


The PTS Batchmixer, available in different sizes from 50 to 3000 l, is a closed self-filling blending system ensuring product homogeneity, a high level of containment and significantly reduced mixing times in comparison to traditional systems. The reliable system easily adapts to individual needs and only requires little maintenance. For more information contact DEC UK on tel: 01524 784 345 or visit: www.dec-group.net


Vee-Cone blender discharges fully


The smooth internal surfaces are free of baffles, shafts and bearings, allowing unobstructed material flow, as well as complete discharge through a gate valve. According to Munson Machinery, the absence of residual material, together with easy access to internal surfaces through the discharge valve and doors at the ends of the inclined cylinders, allows rapid sanitising to prevent cross-contamination.


Uniform blends are typically achieved in 5 to 15 minutes with equal efficiency at fill volumes from 100% to 25% of rated capacity, depending on material.


Intended for dry and granular materials, the blender provides a tumbling action that is more gentle than that of agitated machines in which blades, paddles or ploughs are forced through stationary material.


Since the gentle action may be insufficient to break down soft agglomerates, an intensifier bar can be utilised to impart the shear needed to reduce these materials.


Also offered is a Liquid Dispersion Intensifier Bar positioned within the mixing chamber to distribute liquids throughout the batch more thoroughly and rapidly, reducing cycle times. Other options include Clean-In-Place (CIP) systems, abrasion- resistant steel construction for high wear applications, heating and cooling jackets, construction to ASME pressure codes, load- cell mounts for weighing of batch ingredients, and control packages from manual start/stop operation to programmable operation of all mixer functions.


Other blending equipment offered by the company includes Double Cone Blenders, Rotary Batch Mixers, Ribbon/Paddle/Plough Blenders, Fluidised Bed Mixers, Rotary Continuous Mixers and High Intensity Blenders. Size reduction machinery includes Pin Mills, Screen Classifying Cutters, Attrition Mills, Lump Breakers, Rotary Knife Cutters, Hammer Mills and Shredders.


For more information visit: www.munsonmachinery.com 18 Solids & Bulk Handling • May 2012 www.solidsandbulk.co.uk


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