Flue gas filter for energy
An important reference in the field of energy using our filter equipment with a ceramic filter medium.
The G&G Ceramic JET filter is equipped with ceramic filter rods with a temperature resistance of 1200°C. It is directly designed for dedusting flue gases with a high proportion of hot particles of unburned fuel. The filter has become an important functional part of ash processing for biomass boilers.
Flue gas filter for energy – basic description
The G&G Ceramic JET filter is a filtration device designed for dedusting flue gases generated by the combustion of solid fuels in combustion sources. Thanks to their construction, the filter units are used for dedusting biomass combustion boilers. The basic characteristic of the G&G Ceramic JET filtration device is its resistance to hot particles and residues of unburned fuel, which occur in the flue gases during the combustion of biomass.
The flue gases entering the filter unit are directed to the lower part of the filter device by means of an internal partition so that the housing of the filter unit is evenly heated. The flue gas passes through the filter medium upwards into the clean filter chamber and then through the outlet opening to the flue gas fan.
Ceramic filter medium
The filter elements are refractory ceramic rods, which have a high temperature resistance up to 1200°C. The filter elements are arranged vertically inside the filter housing, with the outlet of the filtered flue gases in the upper part of the filter. The ash is separated on the outer surface of the ceramic rods. The regeneration of the filter rods takes place by flushing with pulses of compressed air cyclically during the operation of the filter unit.
Ash collection takes place in the standard design into integrated ash tanks, which the boiler operator periodically empties. For boilers in continuous operation, the filter units are equipped with an automatic ash removal system. At lower installation heights, the removal of dust is solved by means of a movable bottom of the filter and then by a screw conveyor to the dustbin.
The filtration device is thermally insulated over the entire casing and is equipped with an electric heating cable for tempering the filter housing and preventing condensation of flue gases at the moment of starting or stopping the boiler at a low flue gas temperature.
Filtration equipment does not have to be equipped with a pyramid dust hopper due to lower installation dimensions for the possibility of installation directly in the boiler room.
Exhaust fan location
The flue gas fan is always located behind the flue gas filter in the path of the filtered gas. The fan control is controlled depending on the vacuum in the flue before connecting to the boiler. The flue gas fan then uses a frequency converter to maintain constant vacuum conditions so that the boiler function is not affected. The flue gas filter is always equipped with a flue gas bypass, so that it is possible to shut down the filter device during inspections and service inspections and to carry out inspections or repairs without the need to shut down the boiler.
In our catalog we are preparing a section of flue gas filters here:
Gallery of photos from the application of the filter device
Aluminium Cutting – ExactCut, s.r.o.
Dedusting of large casting blasters – Slévárna Kuřim, a.s.
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