Chemical Engineering |
Readco’s Continuous Processors (photo) feature a proprietary design that ensures the fast-reacting materials used to process rigid polymeric foams are mixed, gelled and reacted entirely within the sealed reactor barrel before they begin to cure. Allowing foam formation and curing to occur entirely downstream, the Continuous Processors eliminate the risk of premature curing inside the barrel, along with its requisite, labor-intensive cleaning and safety concerns. Developed for producing foams, such as polyurethane, polystyrene, polyethylene and other materials that cure instantaneously, the Continuous Processors strategically introduce isocyanates, blowing agents and other reactants at key points in the process to efficiently produce a uniform, homogeneous dispersion of materials within a tight residence time. Targeted specifications for strength, cell morphology, thermal conductivity and other properties are consistently achieved.
Scott Process, Your Engineering and Process Equipment Resource, offers a robust product line; mixers, pumps, sensors, controllers, and heat transfer equipment, proudly representing premier manufacturers like Readco. Engineers first, with decades of experience, the Scott4U team is focused on finding the right process equipment or integrated system for your unique application. Contact us to schedule a call, video conference, onsite visit, or equipment trial.
Readco’s Continuous Processors feature a design that allow safe operation while running on empty.
(Powder & Bulk Solids — 4/30/2020)
These continuous processors feature a proprietary power transmission design and bearing configuration that allow safe operation while running on empty.
An upgrade versus extruders that must rely on the material to guard against metal to metal contact with the barrel, the continuous processors automatically prevent the mixing elements from contacting the barrel and eliminate risk of contamination from metal to metal contact to allow safe startup without any material in the process. By loading the recipe, raising the barrel temperature, and verifying the system settings while running empty, the continuous processor saves on both material and energy at every startup.
When shutting down for cleaning or maintenance, the continuous processors may be run on empty to allow the designed-in, self-wiping action of the mixing elements to automatically purge approximately 95% of the material from inside the mixing chamber. This advantage minimizes the need for chemical cleaning agents, offering cost savings and environmental protections in systems requiring solvents for cleaning.
Ideal for food, chemical, plastics, pharmaceutical, and other processors concerned about speeding production and reducing costs, the continuous processors are custom engineered for each installation to discharge a uniform, homogeneous end product that meets a variety of targeted specifications. The systems are designed based on product testing conducted on full-size equipment with customer formulations in the company’s on-site testing laboratory.
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About Scott Process
Since 1989, Scott Process Equipment has focused on helping customers in the Bio-Pharm, Pharmaceutical, Chemical, Food & Beverage, Industrial, Personal Care Products, Cosmetics, Plastics and Polymers industry solve design problems. Scott Process Equipment Corp offers a robust product line, proudly representing pump, mixer, homogenizer, powder blender, sensor, controller, scale, valve, filling system, polymer test equipment, strainer, and heat transfer equipment manufacturers.
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Viscosity of Xanthan Gum at various concentrations – The first video shows the viscosity and flow characteristics of correctly hydrated Xanthan gum solutions at a range of viscosities up to 6%. All samples were dispersed and hydrated using a Silverson High Shear mixer. A food grade Xanthan gum was used but it should be noted that results can vary widely according to the brand and grade of gum used. The mixing system will also have an effect on the final viscosity obtained as incorrect dispersion and hydration can cause agglomerates in the mix which will reduce the yield of thickening effect. The example here illustrates the viscosity and flow characteristics that can be expected with maximised yield when a solution is prepared using a Silverson mixer.
The Silverson Viscosity Comparison Guide – The 2nd video is a simple guide to the different viscosity (thickness) of everyday products. This guide is useful for gauging the viscosity of the product you are mixing, all products shown in this video can be processed using a Silverson mixer.