High efficiency elevator buckets: modern vs traditional design

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An elevator bucket is an elevator bucket, right? Not anymore. Recent advances in design technology have brought the advent of the modern high efficiency centrifugal discharge elevator bucket. High efficiency elevator buckets push the traditional limits of carrying capacity, input flow and discharge, construction materials and diminished shipping space.

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High efficiency elevator buckets: modern vs traditional design

  1. 1. Digital Re-print -May | June 2013High efficiency elevator buckets: modernvs traditional designwww.gfmt.co.ukGrain & Feed MillingTechnology 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. An elevator bucket isan elevator bucket,right? Not anymore.Recent advances in designtechnology have broughtthe advent of the modernhigh efficiency centrifugaldischarge elevator bucket.High efficiency elevatorbuckets push the tradition-al limits of carrying capacity,input flow and discharge,construction materials anddiminished shipping space.No ‘angles’The ‘breaks’ or ‘angles’seen in the interior frontface of some traditional grainhandling elevator bucketsserve no determinable func-tion. They neither improvematerial flow nor dischargeefficiency. They simply mimicthe design employed bythe original fabricated steelbuckets of the 1920s, wherea break press was used onHigh efficiency elevator buckets:modern vs traditional designby Carl Swisher, sales manager - material handling products, 4B Components Ltd, USAA high efficiency elevator bucket has all of the following characteristics:Modern TraditionalSmooth interior front faces, withno breaks, that provide an efficientdischarge over higher speedsThey can be mounted closelytogether to deliver the greatest, andthereby, most efficient throughputA tapered bottom that allowsthe buckets to fill and dischargeefficientlyThe tapered bottom allows thebuckets to nest inside one another,for more efficient shipping andstorageWing-less sidewalls, making thedesign more cost efficient andthereby reducing material costsJUMBO CC-S High Efficiency BucketGrain&feed millinG technoloGy20 | may - June 2013FEATURE
  3. 3. sheet steel to gradually bend the metalinto a curve. High efficiency elevatorbuckets have a smooth interior frontface with employing compound curvegeometry. This delivers an efficientdischarge with no impediments andno crevices where product can collect.Clean out is efficient and cross contami-nation is minimized.Tapered bottomsHigh efficiency elevator buckets fea-ture a tapered bottom. This taperedbottom is key to the performance of thehigh efficiency design and is leveraged forseveral advantages. It allows the bucketsto be mounted closely together with aminimum of vertical spacing. This createsa ‘column’ of input material and generatesthe greatest amount throughput possiblein the elevator leg system.Close vertical spacing requires theefficient entry and exit of input materi-als into the elevator bucket string. Thetapered bottom allows the buckets to filland discharge not just from the front, butfrom the sides as well. This style of bucketfeeds more efficiently on the up-leg, butalso in the boot section as well.The tapered bottom allows high effi-ciency elevator buckets to nest insideone another. This makes shipping andstorage more efficient. Traditional buck-ets do not nest and even when packagedto minimize space, it is mostly air thatis being transported. A stack of highefficiency buckets is denser, and as such,qualifies for the most economical freightrates. Additionally, they use less spacein the motor trailer or ocean-shippingcontainer, thereby reducing costs evenfurther. Once at the job site, they occupyless floor space for storage.Wing freeThe ‘wings’ or ‘ears’ found on tradi-tional grain handling elevator buckets donot serve a determinable function either.The origin of the feature is unclear butappears to originate with the first fabri-cated sheet steel buckets of the 1920s.It may have served as a handle for shopwelders to safely grab with their fingersand they tack welded the inside of thebuckets together. There is no evidencethat the wing provides extra guidance formaterial during fill or discharge. Bucketscannot nest for shipping and storage ifthey have this feature. High efficiencyelevator buckets do not have wings orears. Material cost efficiencies are realizedwith the removal of this physical feature.In some cases, weight savings are realizedas well.The advent of the modern high efficien-cy centrifugal discharge elevator buckethas brought industry greater throughputsand cost savings. Now popular in agri-cultural applications, they are becomingmore widely accepted for industrial useas well, where over-sized slower mov-ing elevator buckets have been utilized.A true high efficiency elevator buckethas a smooth interior front face, can bemounted closely together, has a taperedbottom, nests inside one another and hasno wings on the sidewalls."Recent advances in design technology havebrought the advent of the modern high efficiencycentrifugal discharge elevator bucket"Grain&feed millinG technoloGy may - June 2013 | 21More inforMation:UK officeTel: +44 113 2461800Email: 4b-uk@go4b.comUSA officeTel: +1 309 6985611Email: 4b-usa@go4b.comWebsite: www.go4b.comFEATURE
  4. 4. www.gfmt.co.ukLINKS• See the full issue• Visit the GFMT website• Contact the GFMT Team• Subscribe to GFMTA subscription magazine for the global flour & feed milling industries - first published in 1891INCORPORATING PORTS, DISTRIBUTION AND FORMULATIONIn this issue:• Additivesfor flourstandardisationPart II:Additives other thanenzymes• High efficiencyelevatorbuckets:modern vstraditionaldesign• Feed focusPoultry• Assessingnutritional valuewith NIRMay-June2013• ‘Kill step’validation oflow-moistureextrusion• Adding value tofeed millingwith profit-oriented feedformulation• Pest controlacross the supplychainfirst published in 1891This digital Re-print is part of the May | June 2013 edition of Grain & FeedMilling Technology magazine. Content from the magazine is available to view free-of-charge, both as a fullonline magazine on our website, and as an archive of individual features onthe docstoc website.Please click here to view our other publications on www.docstoc.com.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 linkadove. INFORMATION FOR ADVERTISERS - CLICK HEREArticle reprintsAll Grain & Feed Milling Tecchnology feature articles can be re-printed as a 4 or 8 page booklets (thesehave 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: jamest@gfmt.co.uk or visit www.gfmt.co.uk/reprints

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