GAS COMBINED FILTER-HEATEXCHANGERS _ GAZOMET - GAZOMET

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PRESSURE VESSELS

COMBINED  FILTER-HEAT EXCHANGERS
 
COMBINED FILTER-HEAT EXCHANGER type FGWC
 
Construction and principle of operation
FGWC combined filter-heat exchangers combine the functions of gas filters with cellulose filter cartridges, with gas heat exchangers. They are designed as welded steel constructions. Below cross-section illustrates the principle of operation of combined filter-heat exchanger. Contaminated gas flows into the FGWC body via an inlet pipe and, as a result of gas flow speed decrease, larger contamination particles fall down to the bottom of the tube side. Other contamination particles are separated, while gas flows through the filter cartridge. Clean gas is directed from the inner part of the cartridge into a pipe system (coil), immersed in a hot bath (where it is heated) and then to the outlet pipe.
Safety equipment
Combined filter-heat exchangers are equipped with a pipe connector located on the shell side, to connect a safety equipment. If a tube is damaged, gas may be immediately vented into the atmosphere, e.g. through a safety valve. In standard applications the pipe connector is designed with a flat flange PN16. When the shell side’s design pressure is the same as gas section’s design pressure, safety is provided by application of HON (RMG) 790 valve set for the maximal pressure of the heating medium in the boiler system. Gas escaping through the damaged tube is captured inside the shell side of the heat exchanger.
GAZOMET products pressure equipment according to quality system under Pressure Equipment Directive 2014/68/EU.
Thereby GAZOMET is entitled to mark the produced pressure equipment with CE mark.
 
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