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Bulk weighers are designed for continuous weighing of bulk material. The fast, reliable and flexible systems can provide an accuracy of 0.1 percent or better. Features of the computerised control system can include colour display, menu driven operation, a wide variety of printer options, programmable keys to operate other equipment, power-loss protection, manual backup controls, self-diagnostic and self-trimming.
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Grain & Feed Milling Technology magazine, Perendale Publishers Ltd, Mycotoxins, food chain, food safety, Milling industry, Grain Industry, flour milling, rice milling, animal feed, flour, rice, grain, milling, rice, commodities, grain, feed, milling, flour, animal feed, human food, food, industry, technology
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Digital Re-print - May | June 2012
The world of modern bulk weighing
Grain & 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 of
information published.
©Copyright 2010 Perendale Publishers Ltd. All rights reserved. No part of this publication may be reproduced in any form
or by any means without prior permission of the copyright owner. Printed by Perendale Publishers Ltd. ISSN: 1466-3872
www.gfmt.co.uk
FEATURE
Intersystems self-cleaning Kleen-Drag conveyor
Photo courtesy of Intersystems
Fast, reliable and flexible:
the world of modern bulk weighing
by Ray Vrtiska, Vice President, Bulk Material Handling Sales Intersystems, USA
B
ulk weighers are designed for factory-assembled bulk weighers are be made at any point on the conveyor.
continuous weighing of bulk available from 1,000-100,000 BPH (2600 Unloading is done through the intermedi-
material. The fast, reliable and MTPH) and are prewired, preplumbed ate discharge gates or at the end of the
flexible systems can provide an accuracy and preconfigured. conveyor.
of 0.1 percent or better. Features Intersystems en-masse conveyors are
of the computerised control system En-masse conveyor very adaptable and may be configured
can include colour display, menu characteristics in a series of horizontal and/or inclined
driven operation, a wide variety of Designed to be totally enclosed, the segments (up to 90 degree incline) with
printer options, programmable keys to en-masse conveyor is equipped with conveying capacity available from 20 to
operate other equipment, power-loss roller chain and polyethylene flights that 1500 MTPH.
protection, manual backup controls, move inside and convey the material.
self-diagnostic and self-trimming. Conveyors can be stainless steel, painted Self-cleaning conveyors
or galvanized housing. A variety of side The Intersystems Kleen-Drag conveyor
Systems can also incorporate a RFID and bottom abrasive resistant steel liners features en-masse capacity with cleanout
tag reader for automatic programming can be easily removed and replaced. that is superior to the typical round bot-
of rail cars and can interface with central These conveyors can be installed with tom or screw conveyor. This self-cleaning
control PLCs. The unit can be linked to a intermediate discharges for applications en-masse conveyor is designed especially
host computer and can also be used to where you are going over more than to prevent ‘pockets’ of material inside
update an existing weighing system. one drop point. The electrically oper- the conveyor where an intermediate
Installation of factory-assembled sys- ated intermediate discharge diverts the discharge is required. When changing
tems is simple and quick. Intersystems material into a selected bin. Loading can materials (type, sort, grade), the conveyor
26 | may - June 2012 Grain &feed millinG technoloGy
FEATURE
helps to avoid partial mixing of current The material is loaded onto the upper ment. Material loads through one or more
and subsequent materials. (working) section of the belt and moves inlets located on the conveyor. Unloading
The conveyor is equipped with self- along the conveyor. The lower section of of the conveyor can be made at the end of
cleaning, flush-mount intermedi-
ate gates to eliminate mate-
rial nests as well as polyethylene The newest products
Photo courtesy of Intersystems
flights to minimize carry-over. in Intersystems
The tail section has a rounded material handling
shape that follows the path of line are distributors
the moving flights, providing a (pictured), micro
full sweep of the conveyor. ingredient systems
and bolted bins
Enclosed belt conveyors
Enclosed belt conveyors
require significantly less horse-
power than a drag or screw
conveyor. The increasing need
to move materials in larger vol-
umes and at faster rates makes
reduced horsepower very ben-
eficial. The enclosed design con-
tains the dust emissions inside of
the conveyor, eliminates cleanup
of spillage around the conveying
equipment and protects workers
from moving parts. Conventional
belts have been used for many
years to move a variety of com-
modities, but they were never
totally enclosed. Now you can
enjoy the existing benefits of belt con- the belt is for return (empty). Thus, the the conveyor in the drive section (stand-
veying plus improved sanitation in their belt is both a carrier (carrying the materi- ard), in the middle of the conveyor, or with
operation. als) and traction (traction transmitting) ele- intermediate discharges. The enclosed belt
ite
ou r we b s
Vi sit vigan.com
www.
VIGAN manufactures dry agribulk materials handling systems: Latest references
• Portable pneumatic conveyors or grain pumps (100 - 250 tph); PYEONGTAEK PORT
South Korea
• Pneumatic Continuous barge & Ship Unloaders (160 - 800 tph); 1 NIV 400 tph
• Mechanical Continuous Ship Unloaders (up to 1,500 tph); On rails with cable reels
• Mechanical loaders (up to 1,200 tph).
as well as complete storage systems in ports and the agricultural industries. LATTAKIA PORT
Syria
2 Mobile T200
From project design to complete turnkey bulk handling solutions 2 x 250 tph
and port terminals with mechanical and/or pneumatic
reliable and cost effective equipment.
SWINOUJSCIE
Poland (BUNGE GROUP)
1 Loader 600 tph
An affiliate company of VAN DE WIELE group.
VIGAN Engineering s.a. • Rue de l’Industrie, 16 • B-1400 Nivelles (Belgium)
Phone : +32 67 89 50 41 • Fax : +32 67 89 50 60 • Web : www.vigan.com • E-mail : info@vigan.com
&
Ann A5 victam 0212.indd 1
Grain feed millinG technoloGy 21/02/12 27
may - June 2012 | 15:37:04
FEATURE
can be designed for inclines or reversing pass gate, service platforms and standard cars, tubs, bulk-bags and other methods,
applications. screens for corn, wheat and soybeans. A avoiding dust and spilling of material.
high-capacity internal by-pass saves the Standard construction for the truck probe
The Intersystems way cost of building an external by-pass and stand, mast and boom is heavy carbon
The Intersystems enclosed belt con- saves height in installation. steel and all are equipped with a rug-
veyor offers a solution to the problems The Intersystems 40,000 BPH Gravity ged hydraulic power unit. An automatic
of dust emissions and spillage that exist Screener with a 60,000 BPH internal control system provides comfortable and
with most conventional belt conveyors. by-pass was developed in response to quick sampling and transports the samples
Commodities are conveyed on a totally an industry demand for larger screening to the collection point for further clas-
enclosed belt that runs on ‘spools’ and capacity and higher capacity throughput. sification.
then returns on a slider bottom made Intersystems’ compartmentalised or
of anti-static UHMW. Any carry-over of Sample selection core model probe assures uniformity of
material is pulled back to the tail where The process of extracting a sample and representative samples.
a unique tail design reloads the material moving it to the collection cabinet can be
back onto the moving belt. The conveyors performed automatically and fully control- Gentle handling
are equipped with spiral wing pulleys that led by the operator through the control Bucket elevators are designed for gen-
system. tle material handling while carrying grain
In-line automatic and other materials in a vertical direc-
samplers provide repre- tion. Bucket elevator assembly includes
“Each Intersystems bucket sentative sampling grain
and any other free flow-
head, boot and elevator legs constructed
of stainless steel, painted or galvanized
elevator is equipped with ing material including
liquid from gravity flow
housing. Material is passed through the
boot hopper to the elevator buckets or
or from the discharge is taken out of the bottom of the boot
NFPA compliant explosion section of an enclosed- by the elevator buckets and carried up to
belt conveyor. Sampling the head section to discharge the buckets.
panels on the top of is performed automati-
cally at regular inter-
Material is fed to the boot with the help
of a conveyor or by gravity flow. In the
the head as well as with vals or on command of
the operator and the
elevator head, there is a rotating drum
with buckets. The material transportation,
a break mechanism to required amount of
product is passed into a
primarily, is performed by buckets which
are fixed to the elevator belt that is mov-
eliminate return movement container for collecting
samples. Excess sample
ing up inside the elevator legs.
Each Intersystems bucket elevator is
is returned to the mate- equipped with NFPA compliant explosion
of the elevator belt” rial stream. panels on the top of the head as well
Depending on the as with a break mechanism to eliminate
product characteris- return movement of the elevator belt.
tics and application,
reload carryover material back onto the Intersystems can supply various models of
top belt to eliminate build-up in the tail crosscut and gravity samplers for opera-
More inforMation:
section. tion in-stream with different slopes and
Intersystems belt conveyors provide capacities. Intersystems
a carrying capacity up to 2,600 MTPH. Truck probes allow for representative 9575 N 109th Ave
Along the entire length of the housing, as and repeatable sampling from trucks, rail Omaha, NE 68142 USA
well as at grain dust outlets, special reels Tel: +1 800 2281483
Email: bulkmatl@intersystems.net
support the belt and shape it as
Website: www.intersystems.net
necessary for moving the mate-
rial without carryover. Belts
can be PVC, rubber or food
grade.
Gravity screeners feature a
lined internal by-pass, manual Largest bulk
or electric control for the by- weigher to leave
Intersystems’
Omaha, Nebraska
USA facility:
70,000 bushels per
hour/87,360 cubic
feet per hour.
Photo courtesy of Intersystems
28 | may - June 2012 Grain &feed millinG technoloGy
&feed millinG technoloGy
Grain may - June 2012 | 29
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Milling Technology magazine.
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and flexible: terms
the world of modern bulk
weighing • New weighing
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