Granulation lines
The purchase of a new pellet mill is an investment that the buyer intends to return in the shortest possible time. Therefore, the modern pellet mills series GRB are equipped with the latest technical and electronic solutions. The control software supports a pelleting line, which is optimized for the highest efficiency. That guarantees energy consumption of less than 75 kWh per ton of biofuel. According to EU directives, our machines comply with CE and ATEX.
Standard equipment of pellet mills:
- pelleting press with main drive
- conditioner KD stainless steel with a drive
- 1 ring die and 2/3 complete rollers
- central automatic lubrication system
- die replace supporting system
- pneumatic distribution system
- electric/signal box
- set of sensors
- manual die/rollers hoist
- inner magnetic separatorг
- barrel of grease 180 kg
- all bearings SKF
- service tools kit
- documentation
LOW MAINTENANCE COSTS
The costs of maintenance is as important to the owners of pellet mills as the production costs. Pellet mills from the GRB series are distinguished by an extremely durable construction resistant to difficult biomass, plastic, sludge, etc.
- Virtually zero vibration level extends the life of expensive spare parts (bearings on the main shaft, in rolls)
- The use of the highest quality components guarantees work without unnecessary stoppages
- Endress + Hauser sensors, SKF quality bearings
- Elements of the pelleting chamber made of acid-resistant steel or galvanized
- Uncomplicated construction of the pelleting unit allows immediate and cost-free execution of most inspections by the internal Maintenance Department
ROBUST DESIGN & DURABLE COMPONENTS
An industrial pellet mill requires industrial standards and making. Our models are designed to achieve best performance due to smart solutions and very strong subassemblies.
- The GR pellet mills are equipped with Single or Double Direct Drive (Single Direct Drive - SDD or Double Direct Drive - DDD). Through direct connection of drive belts, the pelleting unit receives enormous power, which allows pelleting of very difficult raw materials with the expected efficiency
- 6-pole, slow-speed 980 rpm; Class IE3
- The drive unit is based on a massive rotating shaft sleeve mounted in a welded housing. The sleeve allows a large distance between bearings, which reduces pressure and extends their life
- 20% larger, powerful main pulley, receives full engine power through a larger number of V-belts. The big rotating wheel mass eliminates the undulation of the load on the motors, which makes our pellet mills more resistant to sudden, temporary overloading of the pelleting unit. This means less losses due to stoppages associated with the unblocking of the pelleting chamber. The pulleys are electronically balanced, which guarantees zero beating and vibration
- No vibrations and quiet operation
- V-type drive belts are widely available and are cheap. Their exchange takes a maximum of 120 minutes once every few years
- Long lifetime is guaranteed by the sanded surface of the grooves on the pulley and the Automatic Anti-Slip Belt Drive System (ASBS) with physical and software control of the engine speed and pulley compliance
- Strong construction in combination with Single or Double Direct Drive and a heavy-duty pulley enables the use of dies with a large work surface, which has a direct impact on the productivity of the granulator and increase its production size by 1.5-2.0%
- The highest quality bearings of the pelleting unit are selected so as to transfer the power of the motors to the die in the most efficient way possible
- Temperature sensors and belt slip sensors in standard
- The reinforced overload clutch designed to work with the non-slip system has a high activation threshold, which allows the pellet mill to be loaded even above the standard performance level
- Easy die exchange and centering due to the conical die holder
- Pellet mill components that are the most heavily loaded have been designed in a reinforced and oversized version for safe and efficient operation
PELLET MILL'S BODY
- rigid welded construction, placed on the robust frame
- box-like construction with motors mounted on adjustable height plates for correct belt tensioning
- stiffness guaranteed by a modern design based on calculations and over forty years of experience
- huge shaft of standing shaft with widely spaced bearings increases their lifetime up to 4 years
- on the body installed manual or electric lift for mounting die and rolls
- at the back of the door with safety devices that prevent access to the drive unit, electrical and signal box, pneumatic island to unauthorized personnel
- pellet press body ready for integration with a conditioner (or two) or steryliser
- 4 or 6 vibroinsulators guarantee reduction of vibrations to a minimum
| Material | Wood |
| Max. productivity (kg/h) | 2000 |
| Power (kWt) | 1x160 |
| Size (LxWxH) (mm) | 2180x2780x2150 |
| Weight (t) | 6,8 |
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| Name | Pellet mill GRB1 650.160 up to 2 tph |
| Material | Wood |
| Max. productivity (kg/h) | 2000 |
| Power (kWt) | 1x160 |
| Size (LxWxH) (mm) | 2180x2780x2150 |
| Weight (t) | 6,8 |
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Our projects
From waste to packaged briquettes
From waste to packaged briquettes
In February 2021, our team developed and installed a full-cycle briquetting line. The company has a lot of sawdust and different wood waste in different fractions. In order to achieve an even mass of timber for briquetting by packing briquettes on pallets, only a vibrating table, vibrating conveyors, chipper, several hoppers, a hammer mill, 2 RUF briquetting presses and a Strojplast packing machine are installed. Briquetting line capacity 1.4t / hour.
RUF press in Belarus
RUF press in Belarus
In August 2019, we installed a new RUF Lignum R6 briquetting press for a Belarusian company already engaged in briquette production. The company replaced the previous-generation RUF press with the new one to increase productivity but reduce electricity costs. The further improvement of the hydraulic system of the Lignum R has led to an efficiency increase of around 25%. This is one of the biggest benefits - less power consumption per capacity.
Solution for a briquette manufacturer in Lithuania
Solution for a briquette manufacturer in Lithuania
This time we visited neighboring Lithuania, where in July 2019 we installed a RUF Lignum R6 briquetting system and an Airless packaging machine from Strojplast. In total, these capacities produce approximately 950-970 kg / h of briquettes, which means one pallet of briquettes per hour and about 23 tons per day.
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Riga, Latvia, LV-1003