This digital re-print provides information about an article in the May/June 2011 issue of Grain & Feed Milling Technology magazine. The article discusses pellet conditioning and engineering developments by CPM Europe, including their hygieniser, hot start mixer, and new roll speed measurement system. It also provides background on CPM's history and acquisition of other companies.

1. Digital Re-print - May | June 2011
Pelleting: The link between practice and engineering
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2. FEATURE FEATURE
CPM has overcome this problem by sion.
developing the Hot Start Mixer, which func- “Do you real-
tions as a buffer in the start-up ise that a gear
of the conditioning process. box has an over
The paddles and screw in the 11 percent higher
first section of the hygieniser efficiency than a
at start-up turn in reversed two stage V-belt
direction until the mash has reached the drive?” Lange says.
required temperature and then the direction “Do you real-
is changed and the mash can flow through ise the savings? For
the hygieniser. There is no more need for a 250kW with an
Pelleting: and engineering
The link between practice
The Quick Change clamps enable the
operators to change which die within half
all hour
a bypass and the full batch of the feed can operating time of CPM is again setting
be used without chance of recontamination. 6,000 hours per the standard for the
year and an ener- future with the
Specialist in pelleting gy price of eight recently award
Around 50 percent of all pellet mills used eurocents per winning developed
This conditioning of the mash has several in the world are made by CPM. kWh this would roll speed
A
feedmill needs to produce pellets in a
of these machines consider their business advantages. Proper conditioning ensures a So the company indeed can call itself mean a energy measurement system
hygienic way with the least costs and
closer related to science. But this science can better pellet quality (hardness, durability) a specialist in pelleting. Pelleting is not just cost of €120,000.
the highest efficiency. This cannot
learn from the pelleting artists by developing resulting in better conversion rates with the use of a machine that turns ground and At 11 percent
be realised without the close relationship
and implementing demands and views from the animals. Conditioning improves pel- mixed ingredients into pellets, it is a process higher efficiency
between the operators in the field and
practice. let mill capacity, reduces electrical power and begins after the grinding process with this would mean a
the engineers at the drawing table. The engineers at CPM Europe are the use and reduces wear of dies and rollers. conditioning, followed by the actual pellet- saving of €13,200
last ones to deny that practice is closely Furthermore with conditioning more dif- ing and then cooling of the hot pellets and in the advantage
Through this cooperation equipment intertwined with their work on the computer ficult (cheaper) ingredients can be used. where applicable the addition of fats. of a gear box
manufacturer CPM Europe in Amsterdam, controlled drawing programs. Conditioning is a combination of moisture Pelleting is also about energy consump- drive.”
“Our close rela- addition, (steam and/or water), mechanical tion. The way the die and the die rolls are
tionship to practice treatment (kneading and shearing) and ther- positioned largely determine how much Quick die
“Through higher temperatures the and our ability to mal treatment (time/temperature). energy can be added to the product. change
translate practical Especially the last feature has become There is a close relationship between Every pellet
improvements into essential in feed manufacturing. energy consumption and pellet quality. The plant operator
feed is hygienised and bugs are factual equipment has Through higher temperatures the feed more energy is put into the pellet the better knows the burden
delivered us almost is hygienised and bugs are already killed in its quality will be. At the pellet mill this is of changing a die.
already killed in the conditioner. always a competitive the conditioner. CPM was at the forefront limited to max. 20kWh/tonne. Not only is it
advantage, which is of this development with the introduction The consumption of energy is also a heavy and time
CPM was at the forefront of this especially valuable in of the hygieniser or super conditioner. depending on the roller distance to the die. consuming job,
an industry, which is This piece of equipment has shown to be An increase in roller distance will result it also adds con-
development with the introduction of not specifically known an extremely efficient conditioner before in higher energy consumption. To be able siderably to the
for its innovative pelleting and it is much cheaper than to manage this process CPM developed down-time of the
the hygieniser or super conditioner” power,” says Peter an expander, which is also often used. the Lineator, which enables the operator to plant. The CPM
Lange, sales manager Table 1 shows the differences between an adjust the roller distances while pelleting and engineering group
at CPM Europe. expander and the hygieniser. thus gives him the opportunity to influence in Amsterdam
pellet quality on the spot. developed a quick
the Netherlands, has been able to launch Conditioning with Hygeniser Hot start mixer Energy efficiency is also depending on the die change system
many ‘firsts’, which have later been adopted CPM is active in the grinding and pel- One small thing was still a problem: method of power transmission in the pellet for its 32" and 36"
and copied to industry standards. leting section of the feed manufacturing when starting the conditioning process mill. For this reason CPM pellet mills operate pellet mills.
Plant operators working in the feed indus- process. the first approximate 100kg do not reach with a gear box instead of double V-belt drive. The object
try often consider the handling of their pel- Before pelleting the feed mash needs to the required temperature and have to be According to Lange, gearbox transmis- was to have the
leting equipment to be an art. Manufacturers be treated before it enters the pellet mill. bypassed or discarded before pelleting. sions have a high efficient power transmis- pellet mill up and
30 | may - June 2011 Grain &feed millinG technoloGy Grain &feed millinG technoloGy may - June 2011 | 31

3. FEATURE
Despite the economic
crisis Lange is quite satisfied
with the order list of pel-
let mills and other related
equipment.
A walk through their
workshop close to the old
Amsterdam docks confirm
this.
Loads of equipment
are ready for shipping to
customers all over Europe.
Remarkable are the heavy
355kW motors on the pel-
let mills.
Hi there, I’m the Global Miller!
“It is a development
from the wood pelleting You can catch my daily blogs at http://gfmt.blogspot.com
industry. The motors are
available and we adjusted
our gearbox to be able to
With the lineator the distance between the roll and the die can automatically be adjusted. A new
feature is roll speed measurement, which can protect the die from choking mount these heavies on Covering all aspects of the grain feed
our mills,” Lange says.
Also present in the and milling technology, with industry
running with a new die only 30 minutes after working the roll speed measurement inten- workshop is a miniature feed mill or labora-
the end of the previous batch. This means sively while operating the remote roller tory as it is being called at CPM.
news stories, company press releases,
that for the actual (hot) die change only setting Lineator. The new integrated roll “This enables us to test the most exotic book reviews, company profiles and
20 minutes are being reserved. To meet speed measurement device is expected to raw materials from all kinds of industries to
this objective CPM installs a pneumatic the work with very little maintenance and high see if they are pelletable. We are always much more.
hoist, automatic knives posi- accuracy. working on innovations. This way we can
tioning, automatic roller adjust It was observed that at clean die and roll- stay one step ahead of competition and sup-
type Lineator, 18 segments die ers, the roll speed measurement allows an ply good quality machines for a reasonable
clamp type bear claw and pre- automatic ‘zero positioning’ of the Lineator. price,” he adds.
A new edition to Perendale
assembled die with stiffening Until now this ‘zero positioning’ proves Publishers Limited is our bookstore,
ring and rotary cone. to be a rather subjective interpretation of California Pellet Mill group
With this system two people can remove various operators. Different operators can The history of CPM dates back to which can be found at
a die in less than four minutes and the same ‘pre-load’ the rollers differently against the 1883 in California's Napa Valley when the
people can fit a new die in less than five die to set the zero-position. With the roll California Pellet Mill Company manufac-
minutes. The quick die change clamp can also speed measurement the zero-position is set tured presses, Crushers and stemmers for
be mounted on existing machines that have at the moment both rollers are rotating at winemakers. In 1931, the company revolu-
www.perendale.com/browse
been supplied by CPM in the last 10 years. nominal speed. tionised the feed processing industry with
In practice influencing the pellet quality the introduction of the first commercially
is reached by using a thicker successful pellet mill. It features books that have been
die or BOA-compactor or
expander.
A few years later, in 1938, the Roskamp
story began when John Roskamp formed
reviewed in the Global Miller that are
“With the roll speed meas- the Roskamp Huller Company. In the l980s, relevant to the agriculture industry as
urement these become obso- Roskamp Champion was born with the pur-
lete,” Lange says. chase of Roskamp Roller Mill Company and well as travel section, and a section
“The Lineator can now be Champion Hammer Mills.
used to put more energy into In 2002, CPM purchased Beta Raven containing earlier copies of the
the pellet. The speed of the of St Charles, Missouri, USA, supplier of
rollers is measured and if they computerised process controls and ingre-
International Milling Directory right
The hot start mixer accumulates feed until
rotate too slowly a signal fol- dient scaling systems. In 2006, Century up-to-date.
lows. The operator then can Extrusion, from Century Inc of Traverse City,
the required temperature is reached and then take action to avoid choking of Michigan, was acquired. The latest acquisi-
evacuates the feed and increases throughput the die.” tion was Crown Iron Works, a specialist in
Roll speed measurement
Hendrix installed the roll oilseed processing. World headquarters and
speed measurement and operates the by- Roskamp Champion production facilities are
Blogs are maintained daily from Monday to Friday and we are happy to publish
The latest innovation in combination with pass “quick dump feed chute” if the roller located in Waterloo, Iowa. In Asia, CPM is
the Lineator is die roll speed measurement, speed passes the minimum value of 320rpm. present in Singapore and has production
any of your companies’ press releases about future events. You can also follow
which was put into service in July of this year. The experience is that after a roller runs facilities in Wuxi, China. Other plants are us on Twitter and Facebook; we look forward to hearing from you and wish you
Hendrix-UTD in Lochem (NL) has already under speed condition that the chokes and located in Crawfordsville, Indiana; Merrimack,
been working with roll speed measurement the main engine overloads. New Hampshire, USA, and Amsterdam, The every success in the future
for approximately 10 years at the available According to Lange the Lineator with roll Netherlands.
The Global Miller
CPM 7730-7 and 7932-9 pellet mill series. speed measurement reaches its highest poten- CPM is owned by Gilbert Global Equity
The maintenance of this self-constructed tial when a relatively thin die is used. Pellet Partners. This strategic and financial partner-
system is time consuming. quality and throughput can be influenced up to ship has enabled CPM to grow organically
However, the production employees are 30 percent and less die changes are needed. and by acquisition.
32 | may - June 2011 Grain &feed millinG technoloGy

4. This digital Re-print is part of the May | June 2011 edition of Grain & Feed Milling Technology magazine.
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May 2011
• See the full issue
• Choosing the right
Hazard Monitoring
System
• Visit the GFMT website
In this issue:
• Contact the GFMT Team
• Conditioning
• Synthesis of
as part of the animal feed
pelleting process
formulation
techniques:
Linear and Non-Linear
model
• Pelleting: • Pellet
• Subscribe to GFMT
The link between production
practice and engineering to save
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efficiency
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