Milestone Powder & Bulk Solids Technology
Pack Expo 2019 New Feeding Technology Displayed in Live Conveying Demonstration
At this year’s Pack Expo 2019, Coperion and Coperion K-Tron presented a variety of feeding and conveying solutions for bulk solids handling, however, the main focus was on the newly redesigned K3 Vibratory Feeder line and its technological advancements.
The company’s booth allowed attendees to view the V200 Vibratory Feeder in action i.e. it fed material from its tray onto a Smart Weigh Belt Feeder (SWB) recirculating material up to a 2410 Vacuum Loader and back down to the vibratory feeder.
This display allowed attendees to see first-hand how the new vibrating technology works in action. Other exhibits on display included a Coperion K-Tron twin screw feeder equipped with a unique Electronic Pressure Compensation (EPC) system, Coperion’s hygienic ZRD rotary valve which is specially designed for sanitary applications and Coperion’s world-wide top-selling WZK two-way diverter valve.
Recirculating Feeding and Conveying System in Action
The recirculating system consists of several components including the new V200 Hygienic Design Vibratory Feeder, a Smart Weigh Belt Feeder (SWB) and 2410 Sanitary Vacuum Loader.
V200 Hygienic Design Vibratory Feeder – Gentle gravimetric feeder ideal for handling fragile materials
When uniform discharge is critical, especially at low rates, the vibratory feeders are ideal for gentle handling of bulk solid materials. Vibratory feeders have proven best for feeding fragile ingredients and problem materials such as finished friable food products and ingredients, fibers and glass fibers. The vibratory feeder is also ideal for abrasive materials such as course powders and granules, and even sensitive products like uncoated tablets, states the firm.
The unit which was on display has all new design features including an improved high accuracy and innovative patent-pending drive technology, and was mounted on a D5 platform scale. The new K3 line of vibratory feeders features a modular design, including several quick change tray options for faster product changeover. The new K3 vibratory feeders are available in a standard design, hygienic easy clean design as well as a design suitable for pharmaceutical applications.
Smart Weigh Belt Feeder (SWB) - Gentle high rate feeding, batching and metering
The Smart Weigh Belt Feeder (SWB) is used for continuous controlled gravimetric feeding of free-flowing or friable bulk materials. The feeder can be used for feeding or metering of bulk material flows in both batch and continuous applications. In addition to the primary weigh bridge the SWB features an optional secondary weigh bridge that provides continuous online auto-tare, reducing maintenance and frequency of calibration while improving long term stability.
Material weight on the primary weigh deck and belt tare weight on the secondary weigh deck are determined by Coperion K-Tron’s patented SFT weighing technology with vibration and temperature immunity, zero deflection and resolution of 1:4,000,000 in 80 ms. The SWB is available in 300 mm and 600 mm belt widths. The SWB-300 and SWB-600 are supplied as open or closed frame.
2410 Sanitary Vacuum Loader – High quality compact loader for efficient handling of pellet and powder materials
The vacuum loaders are designed to high quality standards for pneumatically conveying powders, pellets and granular materials for the bulk material handling industries. Vacuum loaders move bulk material short distances to one destination. The 2410 loader which was displayed at the show was stainless steel and was set up with a sanitary butterfly valve discharge for refilling the vibratory feeder below. The loader comes fully equipped with a simple to use LSR Controller.
Additional equipment on display included:
Electronic Pressure Compensation (EPC) system for high-accuracy loss-in-weight feeders
The main advantages of the Electronic Pressure Compensation (EPC) system include improved accuracy and reliability of the feeder as well as lower initial cost and easier installation compared to traditional mechanical pressure compensation systems. The company presents a clever but simple electronic solution for accurate and steady pressure compensation in feeder hoppers and outlets, adds the firm.
The modular design incorporates pressure sensors and electronics tailored to interact smoothly with Coperion K-Tron’s KCM feeder control system. Retrofitting options for existing feeders are available. EPC can be installed on a majority of Coperion K-Tron gravimetric feeders in almost any application and all industries. EPC was also displayed at the show; it was installed on a Coperion K-Tron KT20 Twin Screw Feeder.
Easy Access ZRD Hygienic Rotary Valve – Discharging and metering valve for powders, USDA-certified and EHEDG-compliant
The ZRD sanitary rotary valves have been approved by the United States Department of Agriculture (USDA) following certification in compliance with the USDA Dairy Grading Branch. Already designed in accordance with the engineering and design guidelines of the EHEDG (European Hygienic Engineering & Design Group), these sanitary rotary valves also meet the current, strict requirements governing use in the USA.
According to the company, the valves can be used for applications demanding even the highest degree of hygiene and cleanliness. In addition, they are distinguished by their extreme reliability in operation. As these rotary valves can be readily inspected and also cleaned quickly and thoroughly, they are ideal for applications involving frequent changeovers from one product to another and/or for the processing of products with adhesive tendencies. Characteristics such as particle size, cohesion and adhesion influence the flow properties of bulk materials and therefore the correct design and layout of bulk material handling components. The ZRD Hygienic Rotary Valve offers an extra-large inlet for high filling efficiency.
WZK Dual Channel Diverter Valve for powders and granular products
The WZK dual channel diverter valve is specially designed for powders and granular products. The unit has an asymmetric design with approximately 35° angle suitable for distributing and collecting in pneumatic conveying lines and in gravity applications. The WZK is designed with pressure assisted seals and is for installation in conveying lines or in gravity pipe applications with pressures up to 73 psi(g) [5 bar(g)].