March 2012 | AIChE

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March 2012

HC-ES rotary airlock valves

March 5, 2012

HC-ES rotary airlock valves have a patented end-seal design that achieves up to a 50% reduction in gas leakage. The valves have a shrouded, end-scalloped stainless steel bottom rotor, with adjustable/replaceable Type 304L stainless steel tips. Other features include tungsten carbide-coated housing bores, a pocket purge located in the end plate, a motion sensor, an exterior valve housing, and end plates complete with a 60 psi dimpled steam jacket and a 30-in. by 60-in. inlet with baffle.

Model 4192 bag filler

March 5, 2012

The Model 4192 twin-auger open-mouth bag filler provides higher output rates while maintaining exceptional product control and weighing accuracy. Filling rates of 7–10 (50-lb) bags per min and accuracies of ± 0.2 lb can be achieved, depending upon product characteristics. This filler provides bulk and dribble feed through programmable logic controller (PLC) variable-frequency drive (VFD) control of the augers for improved productivity when handling a wide range of materials, from very fine and aerated to sticky, hard-to-feed product.

CoriMix CM 5

March 5, 2012

The CoriMix CM 5 is a high-speed continuous mixer for large-throughput applications. It is designed for the homogeneous intermixing of liquid or pasty components into dry carrier materials. When small quantities of liquid are added, the final mixture produced in this machine is free of agglomeration. If large quantities of liquid are added, a uniform granulated structure is obtained. This mixer has several exchangeable wear protection shells for its interior, as well as different types of mixing shafts, all of which have been optimized for various applications. 

OptimaBlend mixer

March 5, 2012

With its high-efficiency design, OptimaBlend mixing technology is suitable for manual and automated systems. Fluidization in the process assures mixes are homogenous without regard to particle size, shape or density. Typical performance times are 30–60 s per mix. The mixer offers up to ten times increased production capacity compared with standard ribbon blender mixers. Its low-shear design ensures that internal friction from operating the mixer generates minimal heat and that the system is gentle enough to handle fragile ingredients.

SXE vibratory screeners

March 5, 2012

SXE vibratory screeners separate both wet and dry difficult-to-screen materials. They are suitable for classifying materials sized between 20 µm and 500 µm. The screeners are available with a single- or double-deck design, with diameters of 2 ft, 3 ft, or 4 ft. They operate in multi-frequency vibratory-impact modes. These screeners provide uninterrupted self-cleaning of meshes, fluidization of powder, and de-agglomeration of powder clusters.

Turbo-Classifier

March 5, 2012

The Turbo-Classifier is a forced vortex submicron air classifier for powder cut in the range of 0.5 µm to 100 µm. Employing a high-speed rotor with a high air flowrate, it is suitable for use on dense material, such as iron, nickel, and ceramics, yielding product that is uniformly smaller than 1.5 µm.

Twin Motor Sifter

March 5, 2012

The Twin Motor Sifter couples 3-D vibratory action with an ultrasonic deblinding system for fine material screening of particles as small as 20 µm. The sifter’s 3-D capabilities stem from its three control variables: vibrator force, frequency, and drive angle. Available screen sizes include 24 in., 36 in., and 48 in. dia.

Hydro-Lance wet dust-collection system

March 5, 2012

The Hydro-Lance wet dust-collection system is suitable for applications that require control of sticky, humid dusts, as well as explosive metal dusts. It offers maintenance-free mechanical liquid-level control, and has a very compact footprint.

Tubular Drag conveyor

March 5, 2012

This tubular drag conveyor uses a low-hp motor to quietly pull a chain with flights, gently contains material and uses less energy than other conveyors. Its totally enclosed design restricts material within the process and eliminates exposure of materials to the plant environment. The unit conveys vertically, horizontally, or at any angle, processing material at a rate up to 50 ft3/min. It is suitable for conveying blended or friable products and handles a diverse range of materials, from hardened steel shot to limestone to pasta.

Stedi-Flex vibratory feeder

March 5, 2012

The Stedi-Flex vibratory feeder features a simple design that isolates the counteracting forces produced in a conventional vibratory conveyor. The feeder is suitable for handling low-bulk-density materials. It is low in cost and simple in design and construction. Options include a dust-tight cover, as well as a choice of mild steel or stainless steel construction.

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