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Powder and Bulk Dot Com Newsletter
"For the materials handling & processing professional...."
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Vol. 2, No. 63, September 25, 2000
International Standard Serial Number (ISSN): 1526-9051
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Joseph Taylor, Editor, mailto:jtaylor@powderandbulk.com
Copyright 1999-2000, Powder and Bulk Dot Com
This is a 100% opt-in newsletter with news and information
for the materials handling professional. The Newsletter is
currently sent to 2,084 materials handling professionals at
the time of this mailing. Unsubscribe instructions are at
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TO SUBSCRIBE: send a blank e-mail to:
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Our goal is to provide information to improve your business
by using the resources available on the Internet.
Thanks,
Joe Taylor
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Contents:
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> Press Releases, Show Announcements and Industry News Wanted!
> Sponsors Message
> Carver, Inc. Acquires Gump Division of Buffalo Technologies
> Plastics Recycler Eliminates Downtime with Silo Unloading System
> Top Picks From Amazon.com
> Ask Joe Column!
> Pennsylvania Introduces New Sizes of Clinker Crusher
> We had over 17,000+ Visitors and 240,000 Page Hits in August!
> New Kneader Extruder Literature Published
> Hot Messages from the Help Forum
> Call For Photographs!
> From the Job Fair
> Subscribe, Unsubscribe, Sponsorship & Archive Information
> ReferWare
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Press Releases, Show Announcements and Industry News Wanted!
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Do you have company news, a new product, new service or other
information you would like to share with our subscribers?
We give full credit to contributing authors.
DEADLINE FOR THE NEXT ISSUE IS SEPTEMBER 30TH.
Please try to submit articles via e-mail. If you have
photographs to be included with article, post the photo on
your web site and include the URL of the photo with your
article. (We do want "action-shots" for our home page!)
mailto:news@powderandbulk.com
...or visit our news and information submission page at:
Click here to submit a press release
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Carver, Inc. Acquires Gump Division of Buffalo Technologies
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SAVANNAH, Ga., Sept. 18 /PRNewswire/ -- Savannah-based Carver,
Inc., a major supplier of custom-manufactured process equipment,
announced today the acquisition of the Gump division of Buffalo
Technologies Corporation.
Gump manufactures high-quality screeners, sifters, feeders
and packers for a wide range of process industries including
food, chemicals and pharmaceuticals. Gump is also a pioneer
of pneumatic in-line screeners and sifters that eliminate the
need for compressors, airlocks, collectors and receiving
hoppers.
Carver has been the leading supplier of equipment to the world
oilseed industry for more than 150 years, offering a full range
of preparation equipment, engineering, start-up and maintenance
services. In recent years, the Company has expanded product
applications to other industries such as agriculture, textile,
food and fiber industries. Carver has sold equipment and
fully-engineered installations in more than 70 countries
worldwide.
"Gump's products are a good complement to our own," said Carver
President and CEO Jack Lee. "With the Gump acquisition, we plan
to increase our market share in segments outside of our core
business in the oilseed and similar industries. We also plan
to take Gump products that have been sold traditionally as single
units and design complete systems that address a much broader
part of the manufacturing process."
The acquisition of Gump provides a natural extension of Carver's
capabilities, enabling the Company to offer a broader range of
solutions to both Gump and Carver markets. Customers are now
able to benefit from using a single source for their processing
requirements, including the design and supply of complete
systems for feeding, cleaning, separating, sifting and conveying
a wide range of products.
Gump's operations will be transferred immediately from Buffalo,
New York to Carver's Savannah, Georgia headquarters, including
manufacturing, sales & service, engineering and Gump's full
testing facility.
Gump products will continue to be sold domestically through the
Company's existing network of Gump agents, who will also sell
Carver products. Carver also plans to increase significantly
Gump's exposure to international markets. Both existing and
new Carver-Gump agents will handle overseas sales.
For more information contact:
Carver, Inc.
115 Coleman Blvd.
Savannah, GA 31408
Telephone: 912-748-5000
Fax: 912-748-0500
Web site: http://www.carver-inc.com/
mailto:mailbox@carver-inc.com
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Plastics Recycler Eliminates Downtime with Silo Unloading System
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At Syntec Plastics Inc., downtime is not an option. This
Charlotte, North Carolina-based plastics recycler runs its
equipment 24 hours per day, seven days a week. That leaves no
room to make up lost time. Even one hour of downtime is an
hour that can never be regained.
"We've done our job when we process more than 3500 pounds of
post-consumer polyolefin waste every hour," says Syntec Plastics
Owner David Sugg. And, commenting on his worst nightmare, "the
time came when we could no longer afford material bridging,
inconsistent feed rates, and damage caused by a poor silo
unloading system."
In its 50,000 square-foot facility, Syntec Plastics recycles
both polyethylene and polypropylene plastic products. Derived
from discarded goods such as cotton bale wrap and plastic film
used by the nursery and textile industries, the material is
size-reduced, shredded, ground, washed, dried, extruded and
pelletized. Its end use is as an injection molding compound
for the automotive industry.
During his first year in business, Sugg experienced costly
downtime and inefficient material feed on a daily basis. The
bottleneck occurred after washed and dried plastic film entered
a gravity-feed storage silo. The weight and downward pressure
of the material created compaction, made worse by heat,
moisture and particular flow characteristics. Bridging easily,
the light fibrous polyethylene and polypropylene materials
stuck in massive amounts to the interior storage silo walls.
At least three times in each twelve-hour shift (more if the
air was laden with static electricity), an operator would
have to physically get inside the silo to free it up. Then
material feed to the extrusion line could continue -- until
bridging occurred again.
Positive Material Flow
Syntec Plastics solved the problem with the acquisition of a
highly reliable storage silo and hopper bin sweep auger
unloading system manufactured by Laidig Industrial Systems
based in Mishawaka, Indiana. Available in various sizes, the
Laidig Model 4345 cone-bottom unloading system acts as a
bridge breaker to guarantee positive material flow from the
45-degree-angled hopper bin, rather than relying upon gravity
or vibration. The unloader is powered by a hydraulic pump
that enables variable speed control of screw rotation, and
the advancement of the screw into the bridged, packed material.
Its maximum 32-foot-diameter sweep auger undercuts the entire
mass from wall to wall, creating a first-in/first-out delivery
system. Laidig unloading systems can be installed into a new
silo or retrofit into existing structures.
As every material flows differently, rigorous testing of
the actual material to be processed is conducted in Laidig's
test facility. Based upon material flow characteristics,
storage period, unloading rate and expected use, the Laidig
system is designed, custom-engineered and installed on site
-- only after being completely assembled and tested in the
shop prior to shipping.
At Syntec Plastics, the Laidig Model 4345 replaced an
antiquated flail chain system which employed swinging chains
that knocked against the silo interior to reduce bridging.
The chains dented the silo walls which, with stretching
and wear and tear, began to loosen. Inevitably, a portion
of chain separated, departed the silo, and entered the
extrusion line, locking the system.
"The chain actually got wedged in the screw of the extruder,"
says Syntec Plastics Owner David Sugg. "This resulted in a
full week of downtime and more than $100,000 of damage. We
had to completely disassemble the entire extruder and have
it pressed out."
About Laidig:
Laidig Industrial Systems engineers and manufactures material
handling equipment for a growing worldwide marketplace.
Laidig produces silo unloaders for new and existing silos.
Laidig unloaders reclaim in tanks, hoppers, and bins metering
a wide variety of materials.
For more information contact:
Laidig Industrial Systems
14535 Dragoon Trail
Mishawaka, IN 46544
Telephone: 219-256-0204
Fax: 219-256-5575
Web site: http://www.laidig.com/
mailto:sales@laidig.com
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Top Picks From Amazon.com
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We have updated and added about a dozen new books for the
materials handling professional to the Technical Reading Room.
Here are some of the new selections:
"Structural Analysis and Design of Process
Equipment"
by Maan H. Jawad, James R. Farr (Photographer)
Paperback, 752 pages, 2nd edition, 1989
"Fluid Bed Technology in Materials
Processing"
by C. K. Gupta, D. Sathiyamoorthy
Hardcover, 560 pages, February 1999
"Drying of Loose and Particulate
Materials"
by R. B. Keey
Hardcover, March 1991
We thank you for your continued support of the Reading Room.
Do you need a book? Can you suggest a book you love, that we
should have in the Reading Room? Let me know and we will
try to include it!
Thank you for your continued support of Powder and Bulk Dot
Com and for our Reading Room. You can visit the Reading Room at:
http://www.powderandbulk.com/pb_services/readingroom.htm
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Ask Joe Column!
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THIS WEEK'S ARTICLE
"Is My Pneumatic Conveying System Causing Segregation?"
Guest article by Richard Farnish, The Wolfson Centre for
Bulk Solids Handling Technology
You can read Richard's article at:
http://www.powderandbulk.com/pb_services/askjoe.htm
PAST Ask Joe! ARCHIVED ARTCLES
Web Address for Ask Joe Archive is:
http://www.powderandbulk.com/pb_services/ask_joe_archive/toc.htm
GUEST ARTICLES
Do you have an area of expertise in bulk materials, have you
solved a difficult materials problem? You too, can be an Ask
Joe! guest author!
Share your knowledge with others and promote yourself (the
old publish or perish is true!) by contributing an article
to the Ask Joe! Column.
For more information, please contact Joe Marinelli at:
mailto:shtech@fmtc.net
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Pennsylvania Introduces New Sizes of Clinker Crusher
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Due to demands from the power generation industry, Pennsylvania
Crusher now offers their Clinker Crusher in a number of new sizes.
All models of the Pennsylvania Clinker Crusher will reduce
clinker (boiler ash) to the required top size, which normally
is 1 1/4" to 1 1/2" X 0".
These new sizes incorporate all of the advantages of previous
sizes, most notably a hinged panel door that enables clearance
of jams and inspections with no need to remove the unit from
its operating position. All sizes also have a seal arrangement
that overcomes the problem of leakage so prevalent with ordinary
makes.
This crusher's grinding roll has a special tooth pattern that
delivers greater peak-crushing force. This results in more
efficient crushing.
Lastly, the roll shell of all Pennsylvania sizes is in six
segments, making them far lighter and easier to install. The
roll shell of other makes is divided into only four or five
segments or, in one case, is a single massive piece.
The Pennsylvania Clinker Crusher is offered in sizes and styles
to permit direct replacement of nearly every other make now in
use, including single-roll and double-roll models, by merely
unbolting the old units and bolting in the new Pennsylvania
models.
For information contact:
Mr. Lee Doyer
Vice President, Sales & Marketing
Pennsylvania Crusher Corporation
600 Abbott Drive, Box 100P
Broomall, PA 19008-0100 USA
Phone: 610-544-7200
Fax: 610-543-0190
Web site: http://www.penncrusher.com/
mailto:ldoyer@penncrusher.com
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We had over 17,000+ Visitors and 240,000 Page Hits in August!
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Did you know that the over 17,000+ professionals visit our
web site last month? They spend on average 16 minutes
looking for companies, equipment and services they need!
Banner advertising is a great way to reach those material
handling professionals.
Visit our banner ad sign-up page at,
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New Kneader Extruder Literature Published
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Charles Ross and Son Company today announced the completion
of a new six- page color brochure illustrating and describing
its line of Kneader Extruders.
The Kneader Extruder is a combination mixer/extruder used
for extremely high viscosity mixing applications. During
the mixing cycle the blades rotate toward each other while
the screw rotates and acts as a feed screw to the blades.
This unique mixing combination shortens the mix time when
compared to conventional non-screw discharge machines by
about 15%. The screw permits complete and rapid discharge,
after the mix cycle is complete, by rotating the discharge
screw toward the discharge end of the mixer. The screw
discharges the mixed material through a discharge die or
directly to a subsequent process or to packaging.
Kneader Extruders are constructed in many sizes from 1 gallon
through 1000 gallons. They can be supplied with many optional
features including a range of materials of construction,
jackets to heat and cool, vacuum for deaeration of the
product, variable speed drives and more.
A 15 gallon test machine is available for evaluation and is
installed in the Ross Test and Development Center at the
companies Hauppauge, Long Island facility.
For more information contact:
Charles Ross & Son Company
Box 12308
Hauppauge, NY 11788
Telephone within U.S.: 800-243-7677
Telephone international: 631-234-0500
Fax: 631-234-0691
Web site: http://www.rossmixing.com/
mailto:sales@mixers.com
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Hot Messages from the Help Forum
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People post their requests for help and offer their suggestions
to others in our open forum.
Mr. Kolberg needs help with codes regulating storage silos:
I would like to spec out some coned bottom storage silos but
I can't find any codes regulating their fabrication. In the
petroleum industry I would base my spec on API 650, are there
similar specs for storage silos?
Martin Kolberg,
Telephone: 864-599-4387
mailto:mkolberg@lg.com
Mr. Silva needs help with urea handling and storage:
A customer in Venezuela has requested my company information
about:
- Facilities to storage 3000 MT of urea, in bulk, including
truck unloading and handling equipment.
- Conveying systems from the storage place to process zone,
including reactors loading equipment for 50 MT/day.
- Instead of bulk, equipment to handle 1 MT urea jumbo bags
could be also considered. Bags unloading and urea conveying
to reacting zone are required.
We are interested in receiving offers for this equipment
requirement.
Regards,
Alberto Silva SilverQuímica
mailto:silverquimica@celcaribe.net.co
Phone/Fax: 57 5 3606575
These and other messages can be found in the Help Forum.
Share your expertise with others:
http://www.powderandbulk.com/cgi-bin/yabb/YaBB.pl
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Call For Photographs!
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This week's photo is of two trucks with and without Poly Hi
Solidurs' TIVAR 88 Off Road Truck Liner Kit. Promotes bulk
material flow, and reduces abrasion and corrosion of the
dump body. Material is also used to line silos and chutes.
Photo is courtesy of Jeff Gaerte, Poly Hi Solidur.
Web site: http://www.polyhisolidur.com/
We would love to have your photo of a bulk materials process,
packaging, conveying or handling "action shot" for our home page.
If you have a favorite photograph of bulk materials handling
at its best, please e-mail us a jpeg or gif of the photo with
a description of what is in the photo for our home page.
Full credit and the description of the photo will be given.
Photographs are be changed every two weeks to give everyone
a chance to be included.
Send your photograph and description to,
mailto:news@powderandbulk.com
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From the Job Fair
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MANUFACTURERS REPRESENTATIVE/AGENT FOR THE USA
We are looking for a person or company to represent us in
the United States to market our range of Bulk Solids Handling
equipment including Ribbon Blenders, Rotary Valves, Double
Dump Valves, Knifegates etc. We are a South African Company
and manufacture top quality equipment at very attractive
prices with short delivery times.
Contact:
Mr. Steve Gavin
Telephone:+27 31 7013341
Fax:+27 31 7028595
Web site: http://www.techmatic.co.za/
mailto:steve@techmatic.co.za
The Job Fair is a free service of Powder and Bulk Dot Com.
You can post job opening for managers, engineers, sales, reps
or other talented people you need. ...Or one can post their
resume for companies who are looking to add talented people
to their staff.
Do you have a position you need to fill, visit the Job Fair:
http://www.powderandbulk.com/jobs_toc.htm
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Joe Taylor
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Powder and Bulk Dot Com Newsletter
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Joseph Taylor, Editor
3948 South Third Street, No. 121
Jacksonville Beach, FL 32250
Phone: 904-280-4656, Fax: 904-273-1399
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