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Archived Newsletters
Powder and Bulk
Dot Com Newsletter
International Standard Serial Number (ISSN):
1526-9051 |
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Powder and Bulk Dot Com Newsletter
"For the materials handling & processing professional.."
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Vol. 1, No. 6, August 9, 1999
International Standard Serial Number (ISSN): 1526-9051
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Joseph Taylor, Editor, mailto:jtaylor@powderandbulk.com
Copyright 1999, Powder and Bulk Dot Com
This is a 100% opt-in newsletter with information for the
materials handling professional. We have 331 subscribers at
the time of this mailing. Unsubscribe instructions are at
the end of this newsletter.
TO SUBSCRIBE: send a blank email to,
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Our goal is to provide information you can use to improve
your business by using the resources available on the
internet.
Please forward this newsletter to one of your friends,
Thanks, Joe Taylor
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Contents:
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> Contributors Wanted!
> Bottom-up Filling Makes for a "Dust-Free" Bagging Environment
> Spark Detection and Extinguishment System Protects People
> Colijn & Associates Have a New Number
> This Weeks Top Picks From The Reading Room
> Enclosure Strength Design For Explosion Venting
> Ask Joe Column!
> 103,000 Page Hits In July 1999!
> Hot Messages from the Help Forum
> Call For Photographs!
> The Southeastern Region's Total Processing Show, POWDEX
> From the Job Fair
> European Copy Writing Services
> Subscribe & Unsubscribe Information
> ReferWare
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Contributors Wanted!
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Contributors make this newsletter better. Do you have
company news, a new product, a new service or other
information you would like to share with our subscribers?
If so please send it to,
mailto:news@powderandbulk.com
We give full credit to contributing authors.
Thank you, Joe Taylor, Editor
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Bottom-up Filling Makes for a "Dust-Free" Bagging Environment
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Chronos Richardson (Hennef, Germany) presents a new generation
of almost dust-free powder bagging.
Pollution from packaging machines and production areas causes
unwelcome and annoying side-effects when handling floury and
powdery bulk materials. Chronos Richardson has successfully
created an almost dust-free bagging procedure, Bottom-up Filling.
In conventional baggers the bag is kept stationary during
the filling procedure, Chronos' Bottom-up Filling lowers the
bag synchronous to its filling level.
A vertical screw is used for bag filling which is equipped
with a dosing cone. By synchronizing both functions – filling
and lowering – the distance between dosing cone and material
level is reduced to a minimum – thus reducing dust levels.
The novelty is the valve cone method of the dosing screw which
is also used for micro dosing. A patent was filed in June 1998
this device and is Chronos Richardson's contribution to the
development of bagging accuracy and hygiene of bulk materials.
How It Works:
After the bag is placed and the bag spout is in the upper
position, the dosing cone opens. Simultaneously the vertical
screw starts in high speed to fill in full flow. As soon as
the switch-over point for dribble flow is reached, the screw
speed is reduced and the outlet cross section decreased by
lifting the cone closure. During full and dribble regulation
the bag is lowered depending on its filling level.
The vertical screw stops upon termination of fine dosing,
the cone closure is lifted until only a ring slot is open.
Now the micro dosing starts by turning the cone closure
(equipped with discharge paddles) until the set weight is
reached. The load cell measuring signal is transmitted to
the weighing electronic SPEEDAC which controls and checks
the dosing and filling procedure until the set weight is
reached. Then the cone closure goes up and closes the outlet
of the screw pipe.
The bag leaves the screw pipe area to be stretched at the
bag spout and then taken over by the transfer unit.
With this system, all kinds of open-mouth bags can be used
for filling, including those made of paper, PE and PP or
other materials. Fill weights range from 10 – 30 kg per bag.
During the entire bagging process the bag is constantly
guided from the filling position until bag closure and
kept in closed condition. Therefore, there is no dependency
on absolutely stable bags and no danger of product
contamination.
Options include nitrogen purging and empty bag marking.
Bagging output, the PBS 1200 (single spout line) with
floor filling weigher is designed for up to 270 bags per
hour; the PBS 2000 (double spout line) is designed for up
to 500 bags per hour.
Applications include human food and chemical industry for
floury and powdery bulk materials, e.g. milk powder, baby
food, phosphates or insecticides
Contact Information
Chronos Richardson GmbH
Postfach 1155
D-53758 Hennef, Germany
Phone: +49 (0) 2242-883-203
Fax: +49 (0) 2242-883-345
Ms. Ina Wronkowitz, Marketing
mailto:iwronkowitz@chronos-richardson.de
Web Site: http://www.chronos-richardson.de/
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Spark Detection and Extinguishment System Protects People
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Production machines, dryers, mills, and sanders are all sources
of sparks which can cause fires and explosions in dust
collection systems. For over 20 years GreCon’s Spark Detection
and Extinguishment System has successfully protected against
such dangers by automatically detecting and extinguishing
sparks in pneumatic conveying systems.
How It Works
The GreCon Spark Detection and Extinguishment System’s sensors
contain photo elements which detects a spark’s infrared radiation.
The smallest spark triggers the sensing element and the system
immediately releases a fine mist of water downstream, extinguishing
the spark without interrupting production.
For high temperature applications, up to 1830ºF, fiber optic
cables and sensors are utilized.
This protection greatly reduces the risk of injury to personnel,
damage to equipment, and downtime caused by a fire or explosion.
The System is Factory Mutual Approved and can also favorably
affect insurance premiums.
Features include:
-Detects and extinguishes sparks instantaneously.
-Unparalleled detector sensitivity.
-Water extinguishing does not adversely affect the filter media.
-2,500 recallable event memory.
-RS485 serial port for connection to a computer or event printer.
-Automatic test functions.
-Programmable functions: i.e., abort, machinery shutdown or deluge.
For More Information Contact:
GreCon, Inc.
7747 SW Cirrus Drive
Beaverton, OR
97008-5968
Phone: 503-641-7731
Fax: 503-641-7508
mailto:sales@grecon-us.com
Web Site: http://www.powderandbulk.com/target/grecon.htm
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Colijn & Associates Have a New Number
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Henk Colijn of Colijn & Associates would like everyone to be
aware that his telephone number has been changed to
(828) 862-3445.
If you dial the old area code (704) the telephone company
message says that his telephone has been disconnected, which
is not the case.
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This Week's Top Picks From The Reading Room
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The top three books from the Reading Room are:
"Belt Conveyors for Bulk Materials (5th Ed.)"
Hardcover 5th Ed. edition (1997)
"Material Handling Engineering Handbook and Directory, 1997-98"
by Bernard Knill (Editor)
Paperback (1997)
"Pharmaceutical Coating Technology"
by Graham Cole, Michael E. Aulton, John E. Hogan (Editors)
Hardcover (November 1995)
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!
You can visit the Reading Room and view the selections we
have made for you at:
http://www.powderandbulk.com/pb_services/readingroom.htm
Joe Taylor, Editor
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Enclosure Strength Design For Explosion Venting
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Gary Chubb of Chubb Engineering, Parsons, Kansas sent us a
note about a paper he will be presenting at the Atlantic Food
Development and Processing Exhibition being held in Baltimore,
August 10 through 12.
Gary writes, "I will be presenting a session titled Enclosure
Strength Design For Explosion Venting per NFPA 68. I am
attaching a copy of the Abstract, which could be used as an
article in your Powder and Bulk Dot Com Newsletter. I hope
you can use this information.
Thanks for your good work on the web site. I usually try to
'check in' with it each morning, and I always tell others
about this service. -Gary Chubb"
Here is the Abstract of Gary's paper:
"The new edition of NFPA 68 offers revised criteria for
resistance of the internal pressure developed during explosion
venting. A new term, Pes, is introduced, defined as: “The
maximum pressure that can be withstood by the weakest structural
element of the vented enclosure which is designated not to fail.”
The new edition of NFPA 68 also offers two levels of protection
for the vented enclosure; a design which allows for deformation
but not rupture, and a design which allows for no deformation.
The enclosure strength formulas presented in NFPA 68 are
dependent on strength values and formulas from ASME Boiler and
Pressure Vessel Code. While this design standard is useful for
pressure containing cylindrical and spherical vessels, is does
not extend to the design of shallow cones or flat plates.
Many enclosures requiring explosion venting are constructed
with shallow cone roofs, discharge hoppers with included angles
greater than 600, wedge shaped hoppers, and other flat plate
construction. These would include storage tanks with 100 roofs
and hoppers less than 600, square bins, buildings, cyclones,
rectangular bag house dust collectors, high strength buildings
and other similarly shaped enclosures.
This technical paper presents the derivation of the strength
formulas introduced in NFPA 68 and provides simplified strength
calculations that can be used on non-ASME designed enclosures.
Design examples will be included which compare the two design
approaches and validate the simplified method of calculating
enclosure strength."
Thanks for the 'plug', Gary and we wish you the best at the show
next week.
Gary's company, Chubb Engineering provides design services to
the bulk storage industry: storage tank & silo design, inspection
services, structural steel support designs, enclosure strength
design and evaluation of explosion venting. Those of you who
would like a copy of Gary's paper can contact him at:
Mr. Gary Chubb, PE
Chubb Engineering
P.O. Box 605
Parsons, KS 67357
Phone:316-421-3351
Fax: 316-421-3733
mailto:chubbengineering@terraworld.net
Web Site: http://www.terraworld.net/chubbengineering/
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Ask Joe Column!
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Ask Joe Archive
Many of you have asked to read the past ramblings of Joe
Marinelli and articles from our guest authors. You asked for
it, so here it is, the Ask Joe Archive. Articles are listed
chronologically by the year and month it appeared.
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
....or have you solved a difficult materials problem?
Share your knowledge with others by contributing an article
to the Ask Joe! Column. We welcome guest articles in the
Ask Joe! Column.
If you have a 400-500 word article and illustrations in the
form of .jpg or .gif files send it to us.
For more information, please contact Joe Marinelli at
his email address,
mailto:shtech@fmtc.net
--------------------Advertisement---------------------------
103,000 Page Hits In July 1999!
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Dot Com's monthly visits rival the circulation of most of the
industry's trade publications!
Powder and Bulk Dot Com offers an excellent opportunity to
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valuable resource that is well regarded in the materials
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We offer banner advertising on this site starting at only $100 per
month, one year contract. All ads include 20 enhanced listings
in 10 categories at no-charge.
In addition to banner advertising, all sponsors are recognized
on our home page with an additional link to their web site.
Want a Rate Card Now?
Get our complete rate card by sending a blank email to our
auto-responder! Send your email to:
mailto:rates@powderandbulk.com
The auto-responder will email you back in seconds, quite
fantastic if you ask me!
...If you have additional questions email us at,
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...or visit our banner ad sign-up page at,
http://www.powderandbulk.com/pb_services/bannerads.htm
...or call Joe Taylor at 904-280-4656
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Hot Messages from the Help Forum
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Sit back with a cool, cone of ice cream and read this week's
interesting postings from the Help Forum!
The On-Line Materials Handling Help Forum is one of our
busiest pages. People post their requests for help and offer
their suggestions to others in an open forum.
From Mr. Ken Saloio of Friendly Ice Cream Corporation
I am looking for a local specialist (New England area) in dairy
or food material handling and batching to help us with a total
redesign of our Mix Batching Operation.
Our batching operation consists of liquid and dry ingredients.
I can handle the liquid handling, but could use some help with
the dry ingredient (milk, powder, cocoa, etc...) handling and
batching.
I would appreciate any help that you can give!
Thanks,
Ken Saloio
Industrial/Manufacturing Engineer
Friendly Ice Cream Corporation
1855 Boston Road Wilbraham, MA 01095
Phone: (413) 543-2400 ext. 2452
mailto:ken.saloio@friendlys.com
(Editor's Note: All of us here a Powder and Bulk Dot Com are
Friendly's fans. Even if we are in Florida and in Joe Marinelli's
case, North Carolina. I personally got my ice cream 'fix' from
Friendly's while visiting my parents in Connecticut this past
Christmas. We all have a stake in getting Mr. Saloio the best
batching system, ever!)
Mr. Philippe Neuville of CH2M Hill needs a boot:
We are looking for boot or soft transition cloth or other
type specifications and manufacturer.
Thanks for your help,
Philippe Neuville
CH2M Hill
mailto:philippe.neuville@idc-ch2m.com
Can you offer your assistance? If so, please feel free to
contact our Forum members directly.
The Help Forum is open for everyone to use and is located at:
http://www.powderandbulk.com/default.htm
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Call For Photographs!
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We would love to have your photo of a bulk materials process,
packaging, conveying or handling situation for our home page.
If you have a favorite action shot of bulk materials handling
at its best, please email 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 in
the image tag under the photo! An image tag is the message
that pops up when one passes their mouse pointer over the
image on the web page.
Photographs will be changed every two weeks to give everyone
a chance to be included. Also, there is talk that we may
archive photographs with full-text description, photo
credit and a hot link to the photograph's owners home page.
Send your photograph and description to,
mailto:news@powderandbulk.com
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The Southeastern Region's Total Processing Show, POWDEX
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NORWALK, Conn. - June 28, 1999 - As the southeastern region’s
total processing show, POWDEX, incorporating InterFlow Expo,
will offer comprehensive technology solutions for professionals
engaged in the processing, handling, testing, storage and
transportation of fluids and dry particulate matter/bulk solids.
Endorsed by the International Society of Weighing & Measurements
(ISWM), POWDEX/InterFlow Expo will be held October 27-28, 1999
at the Cobb Galleria Centre in Atlanta, Georgia.
This year’s POWDEX/InterFlow Expo attendees will have the
opportunity to test and compare a wide variety of processing,
conveying, separation and filtration equipment; packaging/filling
equipment; environmental protection equipment; feeders,
instruments and controls; material handling and transport
equipment; particle enlargers and size reduction equipment;
and weighing/batching systems. These technologies and products
will be showcased by the industry’s leading companies like
Applied Chemical Technology, Buffalo Hammer Mill, Buffalo
Technologies, Bulk Bag Express, Goodman Conveyor, Jenike &
Johanson, Kason, Littleford Day, Messick and Gray, and Sweco.
"Sponsored by Chemical Equipment magazine, the InterFlow Expo
pavilion at POWDEX will allow attendees to find fluid solutions
for liquid processing from companies that handle, measure,
store and process fluids," said Christopher McCabe, Industry
Vice President for Reed Exhibition Companies (REC), which
produces and manages the event. "InterFlow pavilion exhibitors
like Deloro Stellite and Panametrics will attract a much
wider base of manufacturing professionals from the food,
chemical, petrochemical and pharmaceutical industries."
Powdex/InterFlow Expo
October 27-28, 1999
Cobb Galleria Centre
Atlanta, Georgia.
For more information
Phone: (888) 334-8719 or (203) 840-5845
..or visit the POWDEX/InterFlow Expo web site at
http://powdershow.reedexpo.com/powdex/index.htm
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From the Job Fair
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This week we have a career opening to share with you from
Hayes & Stolz, a leading manufacture of process equipment.
Also, we have cleaned up the Job Fair's postings, removing
all the 'off-topic' postings. Please keep the postings
'on-topic' and for our industry!
INDUSTRIAL SALES
Hayes & Stolz manufactures mixers, blenders, bucket elevators,
distributors and other miscellaneous equipment for the food, sand,
cement, plastics, chemicals, agricultural and other industries.
Salesman needed for approximately 60% inside estimating and customer
relations and 40% outside travel. Experience in selling and
estimating equipment required. Must locate to Fort Worth, TX.
No phone calls please.
Fax or mail resume and salary history to:
Mr. Mark Hayes
Hayes & Stolz Industrial Manufacturing Co., Inc.
3521 Hemphill Street
Fort Worth, Texas 76110
Fax 817 926 4133
Web Site: http://www.hayes-stolz.com/
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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European Copy Writing Services
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Claire Taylor (the editor's sister!) is a professional copy
writer based in Amsterdam. Her specialty is providing
'American' copy for European companies. Claire has over 10 years
of experience serving notable companies as: China Airlines,
KLM, Yamaha, Calcomp, Dow Chemical, Dow Plastics, Delft
Instruments, DSM, Heineken Breweries, Pepsi, Sony and UNICEF.
If you need a European-based professional to help with your
marketing efforts in North America, I can highly recommend
her services.
For more information contact
Claire Taylor, Copy Writer
Oostelijke Handelskade 12j
1019 BM Amsterdam
Phone: 020-419-6044
Fax: 020-419-6024
mailto:mail@taylor.nl
Web site: http://www.taylor.nl/
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Subscribe & Unsubscribe Information
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TO SUBSCRIBE: send a blank email to,
TO UNSUBSCRIBE: send a blank email to,
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ReferWare
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This newsletter is ReferWare. If you enjoy reading it and find
useful information in this newsletter, you are asked to help
spread the word about it. You can do this by forwarding a copy
to your friends, telling them about it.
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Powder and Bulk Dot Com Newsletter
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http://www.powderandbulk.com/
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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Powder and Bulk Dot Com's Newsletter is a 100% opt-in email
list of information for the materials handling professional.
We love your suggestions and comments! Drop us a line at,
mailto:news@powderandbulk.com
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