The SRT is particularly well-suited for burning wood fuels with high water and ash content. These characteristics allow for the flexible use of low-cost, non-pre-dried fuels.
1. Heat exchanger
2. Pneumatic boiler cleaning
3. Combustion chamber
4. Flue gas recirculation feed “over the grate”
5. Fuel supply: Hydraulic feed/direct feed with water-cooled feed neck or feed screw
6. Step grate, hydraulically driven (up to four zones depending on the model) with primary air supply
7. Automatic ignition system (optional)
8. Secondary air supply
9. Combustion chamber doors
10. Automatic combustion chamber ash removal
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With the LogicPro V4, we are introducing a completely redesigned control system that sets new standards in user-friendliness, technological integration, and efficiency. This new generation has been specifically tailored to meet the high demands of modern biomass combustion plants—both technically and in terms of ease of use.
Three key aspects were central to the development of the LogicPro V4: modern design, maximum user-friendliness, and the
use of the latest web technology. This combination enables particularly intuitive operation and powerful control of the system. The result is an interface that provides all relevant information at a glance while flexibly adapting to individual requirements.
A key feature of the new user interface is the integration of HTML5 technology. This enables a platform-independent, high-performance, and future-proof display of all user content. Compared to traditional control interfaces, HTML5 offers numerous advantages:
Up to 900 kW nominal capacity and with a maximum moisture content of fuel of M 35, electric industrial hot air blowers are available for igniting the fuel in the crucible or on the moving grate.
When wood is burned, nitrogen oxides are formed from the nitrogen in the fuel. The nitrogen oxides (NOx) in the flue gas can be reduced by the SNCR process so that the legal guidelines are not exceeded.
Optional combustion chamber camera for visual inspection of the combustion chamber via remote access.
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The multi-stage grate combustion system is particularly suitable for burning wood fuels with a high water content of up to 60% and an ash content of up to 10%. These conditions allow for the flexible use of cost-effective, non-pre-dried fuels such as forest wood chips, green waste, bark, landscape maintenance wood, short-rotation wood, and waste wood. The SRT biomass combustion plant with stepped grate combustion is designed for continuous operation of up to 8,000 hours per year.
The flue gas is extracted from the flue gas pipe and recirculated via a fan back into the combustion chamber “above” or “below” the grate. This results in a reduction of the flame temperature and a decrease in nitrogen oxides. The system’s efficiency is increased because a low residual oxygen content in the flue gas can be maintained even with dry fuels. In flue gas recirculation “below” the grate, the recirculated flue gas is mixed with the primary air in mixing chambers and returned below the grate. Exhaust gas recirculation “below” the grate also improves combustion and prevents slagging on the grate.
We place the utmost importance on the system’s durability and long service life. That is why we rely on robust system technology. A solid steel structure as well as the use of high-quality refractory material guarantee reliable system availability for many years. We guarantee the lowest power consumption in all plant operating conditions through frequency-controlled screw conveyors, grate drives, and flue gas recirculation.
In addition to energy demand, the type, particle size, moisture content, and ash content of the fuel are the most important factors in selecting the right combustion box. However, annual operating hours and the annual load curve are also important factors.
