Equipment spotlight: Hammer mills
March 20, 2017
By Canadian Biomass Staff Report
March 21, 2017 - Canadian Biomass checks out the latest hammer mills for pelletizing operations.
The Brunette BioSizer is a rugged high-speed wastewood grinder specifically designed for production of a fine consistent product. The Brunette BioSizer is built to be low maintenance with a high inertia rotor with four rows of staggered hammers to provide maximum bites per revolution. This grinder allows for processing of oversized ‘bush-grind’ hog fuel, trim blocks, wood chips, all converted to a small consistent product size for the biomass industry.
CPM Biomass hammer mills are highly efficient machines, designed to meet the needs of almost any particle size-reduction task. They’re capable of fine-grinding friable and fibrous materials. Biomass hammer mills have standard and optional features for custom grinding and size-reduction solutions and total dependability, so you meet your pellet standards. The HM Series is a heavy-duty choice for grinding things like wood chips and shavings. They’re built with double-wall box construction filled with vibration-dampening material; double-pivot, full-access doors; replaceable AR235 abrasion-resistant wear liners; a patented regrind chamber; and a mechanical steel tube base to keep your entire operation running smoothly.
KAHL’s pan grinder mill is designed for the crushing of wood chips, wood shavings, sawdust and other lumpy biomass. This grinding process is appropriate for wet raw material. The capacity ranges from a few hundred kilograms up to 40 t/h and more. Appropriate for G30 and G50 wood chips pre-grinding for trouble-free fine grinding in traditional hammer mills. Its features include silent operation; minimum energy consumption; low space requirement; without aspiration system, cyclone, filter and exhaust air plants; no ATEX problems; low energy consumption; and no noise protection measures.
TerraSource Global’s Jeffrey Rader brand offers a wide range of hammermills including F1 and FTE Flextooth Crushers for larger products and Mini-Mill E, 30ABE, and 34ABE models for smaller products and sampling. “E” designations in each model signify the brand’s exclusive E-Z Access technology, which allows for safe, fast and easy access to hammers, rotors and liners. All models are equipped with heavy-duty rotors that can be set up with three, four or six rows of hammers.
The Andritz series 6 hammer mill is engineered for maximum mettle. The series 6 features unlimited hammer and horsepower configurations and countless screen and hammer mill sizes, which deliver the perfect configuration for your needs. The key benefits are: high-volume inlet; heavy-duty rotor; rugged and durable bearings with temperature sensors; easy access and maintenance; and NFPA compliance. Andritz’s reputation for quality, professionalism and aftermarket support delivers confidence to you to meet your particle distribution requirements.
BRUKS was selected to provide complete engineering and equipment to process and feed raw wood chips at the Colombo Energy pellet plant wood yard in South Carolina. Material is reclaimed and sent to four BRUKS high capacity hammermills. These BRUKS hammermills have the ability to turn 50 tons per hour of 1” chips into 95 per cent less than 7 mm chips. This size reduction enhances dryer performance and lessens the required dry hammer milling downstream. This complete pellet facility produces 500,000 metric tons of premium wood pellets annually.
West Salem Machinery
WSM’s Biomass Super Shredder sets a new standard in high volume biomass fibre preparation. Built to be bigger, stronger, and faster – with a massive 48” diameter hammer circle and throat openings from 60” to 88” wide and operating with up to 1,000 hp. Convert high volumes of pre-processed biomass materials (including wood chips, hogged wood, and shredded fibre materials) into consistently sized fibre for use in pellet production, biomass power, co-firing, mulch/bedding, compost, and numerous other value-added products. WSM Biomass Super Shredders are just part of WSM’s complete line of biomass processing equipment and systems, including bulk feeders, conveying, screening, cleaning, and grinding/milling equipment.
The machine is used for preparation of organic substrates for biogas production, wood dust for energy and heat generation, wood-flakes for pellet production and many other applications. The working principle is based on the impact effect. Inside the impact chamber the material is resized with high kinetic energy by the fast rotating rotor and interaction of the particles itself. A final calibration is realized by screens. The ClassiSizer is able to process different and inhomogeneous input materials to variable sized final particles.
Eliminator hammer mills
Bliss Eliminator hammer mills are used in a variety of applications including wood, paper, oil seeds and more. They feature internal wear plates, recessed reversible rotor, vortex cutter bar, one-piece plate housing, 3/8” plate doors, octagonal shaped housing, double drilled rotors and one-piece screen carriage to maximize your grinding efficiency. They are offered in diameters ranging from 19” to 52” horsepower ranging from 5hp to 600hp. With a wide range of diameters, tip speeds and drive power available, Bliss can meet all your requirements for high quality equipment. Bliss also manufactures an extensive line of pellet mills and coolers for biomass pelleting, processing and cooling.
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