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biomass pelleting
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Biomass Pelleting
www.andritz.com
ANDRITZ FEED & BIOFUEL A/S Denmark. TeI. +45 72160 300 [email protected] ANDRITZ FEED & BIOFUEL B.V. The Netherlands Tel. +31 40 2627777 [email protected] FEED & BIOFUEL, Division of Andritz S.A.S., France Tel. 33247506364 [email protected]
ANDRITZ FEED & BIOFUEL Ltd. England Tel. +44 1482825119 · [email protected] FEED & BIOFUEL eine Zweigniederlassung der Andritz GmbH. GermanyTel. +49 2104 9197-0 [email protected] ANDRITZ FEED & BIOFUEL Divsion Of Andritz Inc. USA Tel. +1 570-546-1253 [email protected]
ANDRITZ FEED & BIOFUEL Rep. Office Venezuela Venezuela Tel. +58 241 8422515 [email protected] FEED & BIOFUEL, Division of Andritz Hydro S.A. de C.V. Mexico Tel. +52 (229) 178 3669 [email protected] ANDRITZ FEED & BIOFUEL Brasil Ltda.Brasil Tel. +55 51 3333 0128 ·[email protected]
ANDRITZ FEED & BIOFUEL Division of Andritz Chile Ltda.Chile Tel.: +56 2214 5711 [email protected] ANDRITZ FEED & BIOFUEL Divsion Of Andritz Pty Ltd. Australia Tel. +61 3 8795 9800 [email protected]
ANDRITZ FEED & BIOFUELRep. office VietnamTel.: +84 8 6253 [email protected] FEED & BIOFUEL Division Of Andritz Technologies Ltd. P.R. China Tel: +86 21 64670285 [email protected]
Bioenergy results from converting
biomass into useful forms of energy,
most commonly by burning wood to
gain heat. By using renewable forms of
energy from local sources, it is possible
to reduce the dependence on fossil
fuels, protect industries from electricity
shortage and reduce carbon emissions
at the same time.
Increasing need for environmentally
friendly fuel
The private market as well as the market
for large-scale power stations is growing
rapidly. This is mainly a consequence of
the Kyoto Protocol, which covers more
than 160 countries, representing over 55%
of the global greenhouse gas emissions.
Leading market share
ANDRITZ FEED & BIOFUEL is a major
player in supplying and supporting wood
pellet producers all over the world and
holds a share of more than 50% of the
Raw material sources from:• Timber industry• Sawmills• Paper industry• Furniture industry• Building industry• Agricultural by-products
Scopes of application • Wood pellets• Wood powder• Other biomass pellets
Advantages of pelleting• Reduced transport costs• Simple handling• CO2 neutral fuel• Homogeneous and manageable fuel• Environmental
considerations
Raw materials
Wood sawdust
Bark
Wood chips
Straw
Biomass pelleting
biomass fuel market as well as the wood
grinding market, which supplies wood
powder to power stations. The amount of
CO2 neutral fuel produced on equipment
from ANDRITZ FEED & BIOFUEL replaces
almost three million tons of oil and gas per
year.
Key processing machinery
ANDRITZ FEED & BIOFUEL designs
solutions based on highly advanced key
machinery for wood grinding and pelleting,
inclusive of chippers and dryers for the
processing of wet and/or green wood prior
to the pelleting process. Compression by
means of biomass pelleting provides a
substantial density increase. By converting
wood chips into compressed wood
pellets, the increase in density typically
corresponds to a rise from 150 kg/m3 to
650 kg/cm3, which generates significant
transport, storage and handling savings
as well as various other environmental
advantages.
Supplier of key machinery and complete processing plantsProcess flow for wood pellets
Process flow for wood chips
Process flow for sawdust
Pre-grindingRaw material intake- wood chips
Raw material intake- sawdust
Drying Loading Fine-grinding Pelleting Cooling SiftingBagging and truckloading
DryingRaw material: SawdustThe drum drying system dries the raw material before the fine-grinding process. To ensure an evenly dried product, the raw material is conveyed pneumatically by a stream of hot gases and dried in a convective process until reaching an amount of residual moisture of approx. 10%.
Fine-grinding It is recommended to grind raw materials in a hammer mill to achieve homogeneous pellets. The large surface and open fibres of ground products facilitate the steam absorption in the cascade mixer. Steam and high temperature in the cascade mixer soften the lignin in the wood, after which the pelleting can take place without addition of binders.The Multimill hammer mill works with an airflow that optimizes the grinding process and carries the wood meal on to the separation in a cyclone or a filter.
PelletingThe pellet mill ensures a high output and an efficient control of the pellet quality. The pellet mill is dimensioned for large forces and provided with exchangeable wear parts. The efficient process control ensures high flexibility and optimum energy utilization. The energy consumed to operate the pellet mill and heat the steam corresponds to 2.5-3% of the wood energy content.
ANDRITZ FEED & BIOFUEL offers two types of biomass pellet mills:
Pre-grinding size reduction Raw material: Wood chipsRaw material supplied as wooden chips in sizes of approx. 100+ mm requires a size reduction in a chipper and a hammer mill prior to the subsequent drying process. The Optimill hammer mill is intended for high-capacity and optimum particle size distribution by means of an energy-efficient rotor design and replaceable wear liners in the grinding chamber.
Supplier of key machinery and complete processing plantsProcess flow for wood pellets
Process flow for wood chips
Process flow for sawdust
Pre-grindingRaw material intake- wood chips
Raw material intake- sawdust
Drying Loading Fine-grinding Pelleting Cooling SiftingBagging and truckloading
Pellet mill PM30Sturdy PM30 pellet mill with highly efficient double-reduction gearbox for optimum die speed. High-speed belt drive and heavy-duty pellet chamber for optimum and safe production.
Pellet mill LM26Strong LM26 pellet mill with highly efficient and reliable single-belt drive. Resilient V-belt drive for protection against severe shock loads. The flywheel effect of the mill sheave dampens pelleting surges.
CoolingCooler for wood pellets prior to packing and storage. The friction generated in the die during the pelleting process develops additional heat in the pellets, which has to be removed before sifting and storing the pellets. The pellets are cooled by air taken from the surrounding area, and therefore the pellet temperature will always be 5-10° C above room temperature. The cooler retention time and the wood pellet diameter are decisive for the cooler dimensioning.
Air cleaning filterEFF filter for efficient dust separation at low working costs, including advanced cleaning nozzle with optimum flow and unmatched low energy consumption for compressed air cleaning of filter bags.
Final siftingFinally the pellets pass a sifter for removal of crumbles and dust, which are reused in the process.
Process control ANDRITZ FEED & BIOFUEL offers modularly designed computerized controls for individual key machines, complete processing channels and complete plant controls.
The one-stop-shop concept
ANDRITZ FEED & BIOFUEL is a
unique company with the ability to
manufacture and supply each and
every key-processing machine in
the pellet production line. With an
extensive knowledge of each key
process, we are able to provide a
compatible and homogeneous solution
from start to finish.
Our concept is simple and effective.
We strive to be a “one-stop” all-round
supplier for all pelleting needs. Our
packages are customized to suit
specific requirements, whether it be
know-how, engineering, individual
machines, complete processing lines
or spare parts and service.
Efficient pellet production
The production of wood pellets
is influenced by various
physical properties, such as
moisture content, particle size
distribution, bulk density and
operating parameters, including
die shape specifications,
operating temperature and power
requirements.
Wear-resistant and environmentally
friendly equipment
All conveyors and processing
equipment are made of corrosion-
resistant steel to withstand the tannic
acid liberated from heated wood, etc.
The process line is working at under-
pressure to minimize dust escape and
improve the working environment.
The biomass equipment from
ANDRITZ FEED & BIOFUEL has been
adapted to the functions and strength
especially required for biomass
products. With the combination of
quality machinery, process know-how
and general experience in the project
supply, we offer optimum solutions
for any kind of biomass grinding and
pelleting.
AD
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Being able to supply equipment for an entire wood pellet production is
one thing, but being able to serve customers after the installation in terms
of support and supply of spare and wear parts is yet another essential
ANDRITZ FEED & BIOFUEL competence.
Our worldwide presence is implemented through regional service centres,
which guarantee highly reliable process operations by means of close contact
and support. ANDRITZ FEED & BIOFUEL engineers are available for plant
audits in order to assist the customer in identifying and ensuring a production
increase, locating cost-saving opportunities and fine-tuning the production
process.
High-quality parts and consumables generate long life and good economy to
the process plant. Please contact our local service team and learn how we
can assist you in improving the production process.
Supply and repair of dies and rolls
ANDRITZ FEED & BIOFUEL is the worldwide largest
and most advanced manufacturer and supplier of
dies and rolls for all kinds of pellet mills.
ANDRITZ FEED & BIOFUEL
complies with special customer
requests by offering excellent
quality of spare and wear parts,
which are manufactured of top-
quality heat-treated alloy steels in
up-to-date machines on the
basis of expert knowledge.
ANDRITZ FEED & BIOFUEL serviceOriginal spare parts, service support
ANDRITZ FEED & BIOFUEL A/S Denmark. TeI. +45 72160 300 [email protected] ANDRITZ FEED & BIOFUEL B.V. The Netherlands Tel. +31 40 2627777 [email protected] FEED & BIOFUEL, Division of Andritz S.A.S., France Tel. 33247506364 [email protected]
ANDRITZ FEED & BIOFUEL Ltd. England Tel. +44 1482825119 · [email protected] FEED & BIOFUEL eine Zweigniederlassung der Andritz GmbH. GermanyTel. +49 2104 9197-0 [email protected] ANDRITZ FEED & BIOFUEL Divsion Of Andritz Inc. USA Tel. +1 570-546-1253 [email protected]
ANDRITZ FEED & BIOFUEL Rep. Office Venezuela Venezuela Tel. +58 241 8422515 [email protected] FEED & BIOFUEL, Division of Andritz Hydro S.A. de C.V. Mexico Tel. +52 (229) 178 3669 [email protected] ANDRITZ FEED & BIOFUEL Brasil Ltda.Brasil Tel. +55 51 3333 0128 ·[email protected]
ANDRITZ FEED & BIOFUEL Division of Andritz Chile Ltda.Chile Tel.: +56 2214 5711 [email protected] ANDRITZ FEED & BIOFUEL Divsion Of Andritz Pty Ltd. Australia Tel. +61 3 8795 9800 [email protected]
ANDRITZ FEED & BIOFUELRep. office VietnamTel.: +84 8 6253 [email protected] FEED & BIOFUEL Division Of Andritz Technologies Ltd. P.R. China Tel: +86 21 64670285 [email protected]
245 GBC.814.a.4.500.GB.01.10
