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The missing link


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In many processing facilities, the grinding or milling of products is a key element in the process. However, transportation and conveying are often an afterthought to the design and implementation of the production process. Many times, conveying is added or altered due to increased production capacity, or changes in the production process. Whatever the reason, often the planning of conveyor selection and design doesn’t receive the consideration it deserves, thereby making it a ripe target for many of the problems that a processing facility with a focus on milling can face.

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The missing link

  1. 1. Digital Re-print - March | April 2013 The missing linkGrain & Feed Milling Technology is published six times a year by Perendale Publishers Ltd of the United Kingdom.All data is published in good faith, based on information received, and while every care is taken to prevent inaccuracies,the publishers accept no liability for any errors or omissions or for the consequences of action taken on the basis ofinformation published.©Copyright 2013 Perendale Publishers Ltd. All rights reserved. No part of this publication may be reproduced in any formor by any means without prior permission of the copyright owner. Printed by Perendale Publishers Ltd. ISSN: 1466-3872
  2. 2. Have You Experienced This In Your Elevator? For over 35 years, and in more than 50 countries, Tapco has been solving the problem of bent & torn steel buckets. ® STYLE CC-HD (HEAVY DUTY) Polyethylene Elevator Bucket Urethane • Nylon T apco nonmetallic buckets have the ability to absorb impact in the elevator leg and “give” or “yield” to bypass an obstruction. They then return to their original shape and keep on working for you. Tapco buckets weigh less than their pressed steel counterparts, lack sharp edges and therefore are far safer and easier to handle when fitting an elevator. With 900,000 buckets in 93 sizes stocked throughout the world, Tapco has what you want, when you need it! Tapco also maintains over 15 million elevator bolts in imperial and metric threads in six styles. Tapco fanged elevator bolts have been specifically FANGED HEAD Elevator Bolt designed to work with nonmetallic buckets. Contact Tapco or visit today. Replace your steel buckets with Tapco – the buckets with the memory. ELEVATOR BUCKETS - ELEVATOR BOLTS 225 Rock Industrial Park Drive, St. Louis, Missouri 63044 U.S.A. Tel.: +1 314 739 9191 • Fax: +1 314 739 5880 • Email: • www.tapcoinc.comThe color blue, when used in connection with elevator buckets, is a U.S. registered trademark owned by Tapco Inc. © 2011 Tapco Inc.® All rights reserved.
  3. 3. FEATURETHEMISSING LINK by John Eiting, sales engineer, Modern Process Equipment Corporation, United StatesI n many processing facilities, the In January 2013, society saw a focus on staff. These advances in technology grinding or milling of products is a controlling the risk of explosions within ham- and the increase in regulations, codes key element in the process. However, mer mills, with much of the risk associated and standards have increased thetransportation and conveying are often an with these dangerous dust explosions being safety in plants and have reduced theafterthought to the design and implemen- placed directly on the shoulders of the proc- occurrence of dust explosions; but onetation of the production process. Many ess that creates the dust in the first place: big problem still exists: they do nottimes, conveying is added or altered bucket elevators and pneumatic conveying address the underlying issuedue to increased production capacity, systems. of dust. These meansor changes in the production process. of conveying inher-Whatever the reason, often the planning A balancing game ently generateof conveyor selection and design doesn’t These systems produce dust as a result of dust, and withoutreceive the consideration it deserves, their daily operation, thus, when using bucket first addressingthereby making it a ripe target for many elevators or pneumatic systems, decreasing this issue, prevent-of the problems that a processing facility the risk of dust explosions now requires ing the risk of dustwith a focus on milling can face. additional technology and sensors, as well explosions will always as safety personnel and dedicated cleanup be played as a game of ‘catch- up’. Dust control plays a critical part in the conveying puzzle. If a Figure 2 transport system is not specifically designed to prevent the prolifera- tion of explosive dust, the processing facility must play a dangerous balancing game between funding additional tech- nology and adding labor force. Cutting cor- ners on either, and you will risk dangerous explosions that can damage machinery and, Figure 1 most importantly, your workforce. System explosions pose32 | march - april 2013 Grain &feed millinG technoloGy
  4. 4. FEATURE a huge problem to the milling industry. Over Typical Chain-Vey configurations a year. A Chain-Vey will achieve electrical the years, solutions have been sought in varying energy savings between $5,000 USD and conveying systems such as bucket, screw, and Case 1 (Figure 1) $10,000 USD per year. drag, dilute and dense-phase pneumatic. While Typical configurations can range from In summary, MPEs development of the each system has its strengths and weaknesses, single inlet or single outlet, to a system with Chain-Vey conveyor technology meets the none control nor reduce the generation of 10 inlets and 10 outlets with multiple twists increasingly challenging demands of bulk dust. and turns along the way. No matter the product transport and is a flexible and length or complexity of the design, gentle efficient alternative to traditional conveying The superior solution product handling is maintained throughout methods. To address the problem of the conveying process. dust generation, Modern Process About MPE Equipment (MPE) of Chicago, Case 2 (Figure 2) Modern Process Equipment Corporation IL, USA has developed the In both cases above, (Figures 1 and 2), (MPE) is a leading manufacturer of parti- Chain-Vey, a tubular drag chain the product moves through the Chain-Vey cle reduction equipment. MPE Granulizers system that utilizes molded-on, via stainless steel chain and molded-on discs. achieve a very uniform particle grind distribu- food-grade discs pulled by a 316 stain- This chain is extremely durable and will not tion with minimal ‘fines’ for various products less steel chain through a stainless steel stretch, fray nor deteriorate. ranging from dry foods to chemicals and tube. The result? A fully enclosed convey- Turns or corners in the system are even abrasive minerals. MPE specialises in ing design that contains dust and reduces accommodated through the use of ‘sweep dry grinding applications where particle uni- product degradation through gentle and elbows’ that can range from 10-90 degrees formity and grind consistency are desired. energy-efficient conveying. As a point of and are designed to minimise friction. When MPE also manufactures the Chain-Vey, a reference, the Chain-Vey acts similarly to a necessary, the design utilizes ‘live corners’ tubular drag conveyor that is specifically bucket elevator, gently carrying segments of with rotating wheels that eliminate resist- designed for food, chemical and other bulk product from one location to another. More ance, thereby enabling long runs and multiple powder products. The MPE Chain-Vey can specifically, the Chain-Vey offers a multitude turn situations. transport products up to 200 feet with mini- of additional advantages including: Typical power requirements for the mal product degradation. Sanitary and CIP - Completely enclosed design Chain-Vey range from 1-5 HP and, when Chain-Vey designs are also offered. - Flexible design configurations compared to alternative conveying systems, - Long conveying distance capability such as dilute or dense-phase pneumatic - Multiple inlets and discharge points systems, the energy savings can be as much More inforMation: - Few moving parts and low as 90 percent. Assume that the requirement Tel: +1 773 254 3929 maintenance exists for a 100-foot conveyor length at a Email: - Energy efficiency run rate of 12 hours a day and 250 days Website: The right storage solution starts with the right advice. Storage decisions can affect your operation for decades. That’s why so many companies around the world trust Westeel with their storage needs. Not only do we supply some of the most advanced storage products available, we support our products with the expert project leadership and sound engineering advice necessary to ensure that the decisions you make today continue to serve your company well for years to come. | Canada (Home Office) +1-204-233-7133 | United States +1-701-280-2467 | Spain +34 91 216 14 97 MF22565-0313 Grain &feed millinG technoloGy22565 Westeel Global Campaign 2013 GFMT March.indd 1 march - april 2013 | 33 PM 2013-03-25 3:02 Westeel: Global Campaign 2013
  5. 5. Leave nothing to chance. With WinCos Care, the Service Management Systemof Bühler, you will put your maintenance work in order. The system, which iscustomized by Bühler to precisely fit the specific needs of your production system,takes charge of the entire planning and administration of all your maintenancejobs. This ensures efficient processes and maximum plant uptime.Bühler AG, Grain Processing Customer Service, CH-9240 Uzwil, Switzerland,T +41 71 955 30 40,, WinCos Care Service Management System – Unrivaled Efficiency. Maximum uptime: Prefabricated job cards are based on service hours or calendar intervals as well as individual job planning. Plug & Play: Efficient processes and customer- specifically programmed software for all plants. Always up to the minute: Automatic online updates and data backup. All in one system: Extensive documentation, among other things for certifications (e.g. International Food Standard).Innovations for a better world.
  6. 6. This digital Re-print is part of the March | April 2013 edition of Grain & Feed Milling Technology magazine. Content from the magazine is available to view free-of-charge, both as a full LINKS online magazine on our website, and as an archive of individual features on the docstoc website. Please click here to view our other publications on March - April 2013 first published in 1891 • See the full issue In this issue: • Additives for flour standardisation Part I: Enzymes • Measures for increasing the energy • Visit the GFMT website efficiency of UFA feed mills in Switzerland • • Contact the GFMT Team Fine grinding and BS3 Xylanase • Importance improve of trace productivity in minerals weaners for nutrient stability in feed • Super • Managing mill • Subscribe to GFMT chilled maintenance grains - Maintenance options and challenges INCORPORATING PORTS, DISTRIBUTION AND FORMULATION A subscription magazine for the global flour & feed milling industries - first published in 1891 To purchase a paper copy of the magazine, or to subscribe to the paper edi- tion please contact our Circulation and Subscriptions Manager on the link adove. INFORMATION FOR ADVERTISERS - CLICK HERE Article reprints All Grain & Feed Milling Tecchnology feature articles can be re-printed as a 4 or 8 page booklets (these have been used as point of sale materials, promotional materials for shows and exhibitions etc). If you are interested in getting this article re-printed please contact the GFMT team for more informa- tion on - Tel: +44 1242 267707 - Email: or visit