Flashblend Powder/ Liquid Mixers
Dispersing powders into liquids and creating a consistent homogeneous product, time after time, is one of the most difficult of all mixing applications. To satisfy this need Silverson has developed the Flashblend, a high shear system for rapid incorporation of a wide range of powders, including problematic gums and thickeners. The Flashblend is designed to incorporate powders on a continuous and semi-continuous basis at rates of up to 30,000 lbs/hour. The system can handle a wide range of viscosities, from low viscosity products through to viscous gels.
Advantages
Suitable for large scale production
Agglomerate-free product
Repeatability
Speed
Minimum aeration
Improve vessel hygiene
Viscous liquids can be incorporated into the bulk liquid via the hopper. Liquid additives can also be pumped directly into the venturi.
The Flashblend is generally configured as a semi-automatic system with a clean-in-place (CIP) mode, allowing the unit to be used for continuous operation and repeated batch production without stoppages for manual cleaning or inspection.
Four models available with powder absorption rates of up to 500 lbs a minute.
A pilot scale Flashblend is available, allowing the user to accurately reproduce the performance of production models in the laboratory or test plant.
Flashblend Powder/ Liquid Mixers - How It Works
The Silverson Flashblend is designed to rapidly wet out and disperse a wide range of powders into liquids. The system is based on proven technology combined with new techniques which stem from specific research into powders which are difficult to hydrate. The result is a mixer which can produce agglomerate-free homogeneous dispersion at higher production rates and concentrations than previously achievable.
Stage 1
The process liquid is pumped at high velocity into the venturi chamber and passes into the In-Line mixer. The combination of the pump, venturi and the pumping action of the In-Line mixer creates a vacuum in the venturi chamber.
Stage 2
When powder is present in the hopper, the powder feed valve can be opened. The vacuum rapidly draws the powder down into the venturi chamber where it passes with the liquid stream at high velocity into the rotor/stator assembly of the In-Line mixer.
Stage 3
The liquid/powder mix is then subjected to intense mechanical and hydraulic shear which ensures that it is completely dispersed and agglomerate-free. The resultant product is then passed back to the process vessel by the pumping action of the machine.
Flashblend Powder/ Liquid Mixers - Workheads
A comprehensive range of workheads and screens is available for all Silverson high shear mixers. These easily interchangeable workheads offer great versatility by allowing any machine to be adapted to perform a wide range of mixing operations including emulsifying, homogenizing, disintegrating, dissolving, dispersing, blending, particle size reduction and de-agglomerating. Changing from one head or screen to another is quick and simple.
Flashblend Powder/ Liquid Mixers - Technical Information
Capacity
Powder incorporation rates up to 30,000 lbs/hr.
Materials of Construction
All product contact parts are constructed in 316 stainless steel.
Motor Specifications
The standard range of motors includes TEFC and washdown duty. Stainless steel motors are available on request.
Connections
Tri-clamp fittings as standard.
Cleaning
The Flashblend is designed to be cleaned-in-place (CIP) with sterilize-in-place (SIP) as an optional extra.
Electrical
Integral stainless steel control panel.
Sealing
Single mechanical shaft seals as standard. Double mechanical shaft seals and specialized arrangements are optional extras.
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