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Olds
Elevator makes industries safer from Dust
 Hudson,
NH -- There’s always room for improvement, or so the saying
goes, and the people at Olds Elevator would agree. Olds
Elevator LLC, located in Hudson, NH has, modernized the
entire concept of bulk material elevation for materials such
as grain, sugar, many powders and fertilizer. With their
innovation, Olds Elevator stands to revolutionize not only
the way vertical elevation systems are considered, but the
company also proudly claims their product will make many
industries much safer.
At the heart of the problem
eventually solved with an Olds Elevator are “dust
explosions”. A dust explosion is the catastrophic end result
of the ignition of a dust cloud, created by the mixture of
dust from materials and air, often within a bucket elevator.
As Olds Elevator spokesman
Richard McIntosh explains, standard bucket elevators “are
notorious for allowing the conditions for dust explosions to
exist.” As for an Olds Elevator, McIntosh adds "Since Olds
elevators convey material in fully-flooded mode there is
nowhere for dust to form. No dust, no dust explosion."
There are three things required
for a dust explosion—fuel, oxygen, and a spark. According to
McIntosh, “In a typical bucket elevator, you have 2 of those
all the time, fuel (which is the dust) and oxygen.” With a
single spark caused by a foreign object or a bucket from the
elevator falling off of its chain or belt, explosions can
occur with catastrophic results.
Olds Elevator technology, a
recent Australian invention, is a modernization of the screw
conveyor concept developed by Archimedes over 2,000 years
ago. Olds elevators operate by rotating a cylindrical casing
around a static screw.
Intakes at the base of the
rotating casing draw material into the elevator where it is
gently elevated in fully-flooded mode within the enclosed
casing. This results in “the same vertical elevation of
material as a bucket elevator” without the inherent safety
hazards.
McIntosh and Olds Elevator are
proud to help industries and companies across the country
with efficient, dust-free, bulk material elevation. However,
they are even more excited for the opportunity to help make
businesses safer—eliminating the injury and loss of life
caused by dust explosions.
Located in Hudson, NH, Olds
Elevator LLC provides engineering design, elevator
manufacturing, installation and service for a variety of
industries. They recently installed their first Olds
Elevator for use in the Sugar Industry in America,
dramatically increasing safety and setting an important
industry milestone.
Source:
http://www.oldsusa.com/ |
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This
newsletter is sponsored by: |
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Free white paper : 10 ways to
Control Rheology
 Malvern,
UK -- ‘10 ways to Control Rheology by changing Particle
Properties’ is the latest addition to Malvern Instruments’
Inform series of white papers, which are designed to provide
advice on material characterization issues.
Freely
downloadable from the Malvern website, this new document
guides the reader through some of the fundamental properties
of dispersed systems and demonstrates how these affect its
rheology. A variety of examples illustrates the effects on
rheology of changing particle size, size distribution, shape
and zeta potential, alone and in combination.
Many
materials used today are disperse systems where one
substance, often a particulate, is dispersed in another
phase. Examples are common in areas as diverse as adhesives,
agrochemicals, cement, ceramics, colloids, cosmetics and
personal care formulations, food and drink, mining and
mineral slurries, paints, inks and surface coatings,
pharmaceuticals and polymer systems.
The
physical properties of the dispersed particles – average
particle size, size distribution, zeta potential or charge
on the particles, and particle shape – all influence bulk
material properties such as rheology. Therefore the rheology
of a dispersed system can be controlled through the
measurement and manipulation of key parameters.
Malvern Instruments provides a range of complementary
materials characterization tools that deliver inter-related
measurements reflecting the complexities of particulates and
disperse systems, nanomaterials and macromolecules.
Analytical instruments from Malvern are used in the
characterization of a wide variety of materials, from
industrial bulk powders to the latest nanomaterials and
delicate macromolecules.
Source:
http://www.malvern.com/
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Dos Santos : From diamonds to
gold in Mexico
 Marietta,
GA -- In cooperation with M3 Engineering of Tuscon, AZ, Dos
Santos International LLC has been awarded a contract for an
overland conveyor system at Goldcorp’s Los Filos Project.
The Los Filos gold mining project is located in the Nukay
mining district of central Guerrero State in southern
Mexico, and promises to be one of the largest open-pit mines
in the country.
Los
Filos is a heap leach operation. The ore size is reduced at
the crushing plant and then it is hauled to the valley where
it is stacked on engineered pads. A chemical solution is
sprayed onto the ore, which extracts and absorbs the gold as
it trickles through the ore. To regulate seepage rate, an
agglomerate (cement) is mixed into the ore for optimal ore
exposure to the solution. Ultimately, the solution is
directed to the plant where the gold is precipitated out.
A
previous system conveyed the ore from the crushing plant to
the leach pads via a glory hole ore pass and an underground
conveyor, through the hill. An agglomeration drum mixed in
the agglomerate before final delivery to the leach pads.
The
conveying system experienced material flow problems right
from the start, especially during heavy rains. The sticky
ore tended to plug up the ore pass. Geological instability
ultimately collapsed the ore pass, putting the transport
system out of service only four months into its operation.
Against this background M3 Engineering was tasked with
developing an alternate conveying route quickly since all
haulage was now by truck and very expensive. The logical,
most direct and economical path was over the same hill
(rather than under). The path required a down-hill high
angle conveyor. Thus, Dos Santos International was
approached about their DSI Sandwich Belt High Angle
Conveyor. Being the best solution, DSI was awarded the
contract in March 2009 for a downhill system which they
dubbed the DSI G.P.S. (Gently Pressed Sandwich) High Angle
Conveyor.
Concerns with geological instability remained, especially
along the path of the DSI G.P.S.. Further geological
scrutiny led to abandoning this path altogether, thus
abandoning the DSI G.P.S. as well.
M3 was
again tasked with developing an alternate conveying path.
This time a conventional conveyor system was developed,
following the already developed truck ramps. Dos Santos
International again submitted their proposal for the
project, now an overland conveyor system. The project was
awarded to DSI May 19, 2009. Engineering is now well
underway.
The
DSI expertise proved particularly advantageous on this
project. The original ten-conveyor-flight system has been
rationalized to only seven flights by amalgamating with
horizontal curves. Additionally, the third conveyor flight
is especially engineered to accomplish the agglomeration by
mixing through five intermediate tripped transfers. The
enroute agglomeration, conceived by Goldcorp, results in
substantial savings by eliminating the need for the
additional agglomerating drum.
The
overland conveying path is predominantly downhill. While
this presents the normal controlled starting and stopping
problems, it also presents great savings opportunities. The
downhill flights are decisively regenerative. Additionally,
the drive motors, now generators, will feed back power into
the grid which powers the other mine equipment. These
carefully engineered conveyors will be equipped with
variable frequency drives to ensure operations at maximum
efficiency. This is another example of DSI’s commitment to
“green” conveying.
In
2008, Dos Santos International installed 5 of their
acclaimed DSI Snake Sandwich Belt Conveyors to convey
kimberlite (diamonds) for the DeBeer’s company. Although
there have been several other notable installations since
these, this current project has prompted DSI to say they’ve
gone from diamonds to gold.
Source:
http://www.dossantosintl.com/
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Superior's new line of "Conveyor
Take Ups"
 Morris,
MN -- Superior Industries, a leading manufacturer of
conveyor systems and components, introduces a new line of
conveyor take ups to help ensure and maintain proper belt
tension at the drive pulley.
In addition to the recently
released telescoping tube and wide slot versions, the
expanded line now includes four new styles: top angle take
ups, light duty take ups, heavy duty take ups and center
pull conveyor take ups. The complete group of manual screw
and fixed styles offer solutions for belt conveyors where
automatic style take ups are not practical with the design.
Universal characteristics of a
Superior conveyor take up include high-quality weld work and
manufacturing, easy maintenance and designs that allow for
mounting to most conveyor frames. The take ups are available
throughout North America at an affiliated Superior conveyor
components distributor.
Source:
http://www.superior-ind.com/
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Powder and Bulk Weblog
Don Dunnington,
Moderator
An industrial blog for the bulk
materials handling professional, offering the latest
developments, technology and opinions of our readers.
The "process engineer's treehouse".
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| From the Job
Fair
Feeder & Scale Field Engineer-Technician
Due to continued
gains in market share Melfi Technologies requires an
additional Feeder & Scale Field Engineer-Technician.
Contract position, based from your home but with significant
travel throughout North America. Clean driving record and
passport required.
Duties:
* Commission, train and support feeder and control systems
for both small and Fortune-500 customers.
* Design, fabricate and install retrofit analog loadcells
kits into LIW feeders having proprietary digital and/or LVDT
loadcells.
* Service typical feeder mechanical maintenance components
I.E. seals, bearings, motors, screws, etc.
* Prepare technical documents and user manuals to accompany
each feeder system.
* Promote control products and services to potential
customers.
Qualifications:
* Minimum five-years experience with servicing LIW feeders
and powder handling systems.
* Thorough process knowledge of ancillary material handling
equipment I.E. mechanical & pneumatic conveyors, mixers,
etc.
* Thorough understanding of electrical principles, drive
control systems and the ability to interpret electrical
schematics.
* Possess analytical skills and be self-motivated as you
will be expected to work independently.
* Excellent communication and written skills are essential.
* Previous employment with any of the feeder OEM's will have
significant emphasis.
Company:
Melfi Technologies is a Rockwell Automation authorized
Solution Provider who specializes in powder handling for
industrial systems automation, and is a diverse and unique
company in its ability to provide complete automation
solutions. Offices in Toronto Canada and Houston Texas.
For additional
information regarding Melfi Technologies control systems
please click
http://www.melfitechnologies.com
Contact:
Delmar Schmidt
Melfi Technologies Houston
Phone/Fax 281-259-3766
dschmidt@melfitechnologies.com
The Job Fair is a free
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Do you have a position
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| About Us :
Powder and Bulk Dot Com Newsletter
© 1998-2009 Powder and
Bulk Dot Com
Home page: http://www.powderandbulk.com/
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Powder and Bulk Dot Com Newsletter
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Please submit articles via e-mail, only to: news@powderandbulk.com |
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:: Olds
Elevator makes industries
safer from Dust
::
Free white paper : 10 ways to
Control Rheology
::
Dos Santos : From diamonds to
gold in Mexico
::
Superior's new line of "Conveyor
Take Ups"
:: From the Powder and Bulk Weblog
:: Video Center Features
:: Help Forum
:: The Job Fair
:: Top Picks at Amazon.com
:: Find more books and journals
:: Ask Joe Column!
:: Featured Case History
:: Advertising
:: Call For Photographs!
:: Subscribe, Unsubscribe
:: Past Issues
:: About Us
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| Hi Everyone,
I just want to wish everyone a
Happy Labor Day holiday here in the US. Summer is over
and time to get back to work...Read on!
With over 8,000+ subscribers,
our goal is to provide information to improve your business
by using the resources available on the Internet.
Very Truly Yours,
Joe Taylor, Editor
jtaylor@powderandbulk.com
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| From
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"new edition continues to
present the breakthroughs in thermal dehydration, drying,
and dewatering in industrial applications..." |
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Advanced Drying Technologies
Second Edition
by T. Kudra and A. Mujumdar
Hardcover, 520 pages, 2009
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New Design Overcomes Rotary Valve Leakage
Guest article by Jim Sigmon of Sigco
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Featured
Case History |
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Smiley Monroe wins repeat order from Brunner Mond
Smiley Monroe Ltd recently
installed its fourth Conveyor Spillage Control and Dust
Encapsulation System at Brunner Mond’s Lostock site,
having won the business due to its previous record of
carrying out work safely, within a specified shutdown
period. The customer, one of Europe’s largest
manufacturers of Sodium Carbonate, used in the
production of glass and detergents...
(more)
More case histories...
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Photographs
This week's
photo is of a Walinga 8614 Ship Unloader in action. The
Walinga Ship Unloader features great standard components
such as a one man remote operation, hydraulic boom lift and
rotation as well as a telescoping suction boom to ensure
optimum load out. The ship unloader works well with all
types of feed and grain commodities.
Photo courtesy
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USA Inc.
Send us
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