High Shear Mixers Overview

Summary

Ross is a leading global manufacturer of high-shear rotor-stator mixers and high-speed dispersion equipment designed for various process industries. These mixers excel in emulsification, homogenization, particle size reduction, and dispersion. Available in both batch and inline designs, the equipment ranges from small-scale bench-top models to large-scale production units. With speeds up to 18,000 feet per minute, the mixers achieve exceptional results, reducing cycle times compared to slower designs. Multiple rotor-stator designs are available to suit various applications, offering high-efficiency mixing solutions for complex processes. Trials are available at their test center or through rental options for convenience.

Takeaways

• 😀 Ross is a leading manufacturer of high shear rotor stator mixers and high-speed dispersion equipment for process industries.
• 😀 The designs are ideal for emulsification, homogenization, particle size reduction, and dispersion.
• 😀 Standard rotor stator mixers are used for products up to approximately 10,000 centipoise, with speeds up to 4,000 feet per minute.
• 😀 Higher energy units can rotate at speeds over 18,000 feet per minute, offering results comparable to conventional homogenizers.
• 😀 Rotor stator mixers provide much faster cycle times compared to slower designs or traditional disk-type high-speed dispersers.
• 😀 Both batch and inline high shear mixers are available in various sizes, from bench-top models to 250 horsepower production units.
• 😀 The batch high shear mixers can be mounted or suspended, offering flexibility for use in multiple vessels.
• 😀 Inline high shear mixers are ideal for frequent product changeovers, using a valve to divert product to a downstream process.
• 😀 The mixer operates by pulling raw materials through an inlet, accelerating them outward through a stator to achieve the desired result.
• 😀 Various rotor stator designs are available, including single-stage, multi-stage, low-profile X design, and the Mega Shear design for complex processes.

Q & A

What is Ross known for in the manufacturing industry?

Ross is a leading worldwide manufacturer of high shear rotor stator mixers and high-speed dispersion equipment for the process industries.

What applications are ideal for Ross's rotor stator mixers?

Ross's rotor stator mixers are ideal for emulsification, homogenization, particle size reduction, and dispersion.

What is the typical viscosity limit for products processed with rotor stator mixers?

Rotor stator mixers are generally used for products up to approximately 10,000 centipoise in viscosity.

How fast can the rotor blades on a standard rotor stator mixer rotate?

The rotor blades on standard units turn within a close tolerance stator at roughly 4,000 feet per minute.

What is the maximum speed achievable by high energy rotor stator units?

The higher energy rotor stator units can rotate at speeds over 18,000 feet per minute.

How do rotor stator mixers compare to conventional homogenizers?

Rotor stator mixers can produce end results that are sometimes equal to or exceed the performance of conventional homogenizers.

How do batch and inline rotor stator mixers differ in design and usage?

Batch mixers are often used for specific volumes and can be mounted or suspended over a vessel, while inline mixers are ideal for processes requiring frequent product changeover, using a simple valve to divert or switch products.

What is the key benefit of using an inline high shear mixer?

The key benefit of an inline high shear mixer is its ability to handle frequent product changeovers with a simple valve for diversion or switching between vessels.

What distinguishes the multi-stage rotor stator design from a single stage design?

The multi-stage design includes two or more rows of rotating blades that create a succession of increasingly intense shearing events, providing higher shear rates and enabling the production of uniform droplets below 1 micron.

What is the X-series rotor stator mixer known for?

The X-series rotor stator mixer is known for its extremely high shear rates, achieved through many concentric rows of intermeshing teeth, and is ideal for emulsions and dispersions that would otherwise require more expensive homogenizers or colloid mills.

What is unique about the Mega Shear design?

The Mega Shear design features opposed semicircular cylindrical grooves on both the rotor and stator faces, inducing counterflow that creates a high turbulent collision phenomenon, which is highly effective for specific fluid processing.

Can customers test Ross equipment before purchasing?

Yes, Ross offers no-charge trials at their Hop Hog, New York test center or, for convenience, provides implant trial rentals.

Is Ross's equipment available for immediate shipment?

Yes, most of Ross's equipment is available from stock for immediate shipment.