LAMBION - Inclined Feed Grate Furnace
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The LAMBION grate is a mechanical grate with an oil hydraulic drive. It consists of both fixed as well as mobile rows of grate bars, which are arranged alternately and overlap in a staircase shape. Driven by hydraulic cylinders the oscillating movement of the mobile grate rows, transports the combustion material towards the end of the grate.
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Products Details
Application:All bulky and uncut/uncrushed fuels (wet or dry), even with high ash contents or foreign matter contamination.
Capacity Range:1,000 to 50,000 kW
The grate bars are fitted with air nozzles that are arranged horizontally to the direction of the feed motion. The nozzle diameters are designed to create an airside resistance, in order to achieve a uniform distribution of the combustion air across the respective grate surface.
The grate bars are made of a heat and abrasion-resistant special cast-iron. The combustion air that is blown into the combustion chamber through the grates is cooling the grate lining. The cooling effect is ensured even when the air is being preheated.
In order to optimally control the combustion process the grate is divided into zones, which can be moved at different speeds. The amount of oil supplied to the corresponding drive cylinders of the zone is being adjusted accordingly.
It is for the same reason that the supply of combustion air through the grate - the forced-draft – is also zoned. The amount of air to each zone can be controlled independently, so that each phase of the combustion process can be supplied with the precisely required combustion air proportion.
Secondary and tertiary air is being blown in via nozzle bars in order to improve the combustion process.
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