Technical information

ATTACK DP ATTACK DPX
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The new boiler line ATTACK DPX is equipped with more efficient tubular exchanger
flue gas – water. Special movable turbulators installed inside exchanger serve to brake
and to make the turbulent flow of the flue gas through the exchanger. Thereby it comes to
higher heat transfer through the steel exchanger wall into the heating water.
From technical view it is a boiler line with high efficiency, low flue gas temperature and
more effective combustion process. Achieved efficiency of the ATTACK DPX boiler is
90%.By installation of more efficient boiler of the ATTACK DPX line it comes to
significant decrease of the operation costs, projected into the fuel savings, in
comparison with less efficient boilers that combust same fuel.
From the social-wide view, it is an enviroment-friendly source, combusting wooden
biomass ,which is a kind of CO2-neutral fuel.
Considering the harmful emissions, the average concentration of CO value in the flue gas,
is during operation of the LAMBDA version under the level of 200 mg/m3 related to 10% of
O2.
Under the valid European norm EN303-5, classifying solid fuel boilers by efficiency and
emissions to individual classes, the ATTACK DPX boiler (version LAMBDA) reaches 25
times lower concentration of harmful CO emisions in the flue gas incomparison with the
allowed level of this norm!
Turbulators also enable easy exchanger cleaning.The clean exchanger reaches the most
effective operation parameters - high efficiency.
MAIN ADVANTAGES OF THE NEW BOILER LINE kotlov ATTACK DPx
Parameter
ATTACK DP25 ATTACK DPX25
Exchanger flat, rib-shaped tubular, with turbulators
Efficiency(%) 85 90 - Standard a Profi, 91 - Lambda
Exchanger cleaning manual, brush turbulators by lever move
Connection of flue gas outlet horizontal
horizontal or vertical, according to disposition possibilities
of customer
Version STANDARD, PROFI STANDARD, PROFI, LAMBDA
Dimensions:
Width 690 690
Height 1235 1235
Length
1090 1140
Input (W)
50 - 90 50-90
Flue gas temperature 230°C 180°C
Depth of chamber
590 590
Water volume in the boiler
68 l 100 l
Boiler weight (dry) 370 kg 430 kg
Regulation of flue gas temperature no yes - Lambda version
Combustion regulation by flue gas content no yes - Lambda version
Control of heat-up flap
manual, depends on attendance automatic - joined with feeding door
COMPARISON OF PROPERTIES OF WOOD GASIFYING BOILERS "ATTACK DP25" aND "ATTACK DPX25"
The ATTACK DP boiler line represents basic platform of
the ATTACK wood gasifying boilers.
Their main advantage is simple construction, consisting
from feeding and combustion chamber, high resistant
refractory jet and ashtray, rib-shaped exchanger and
mineral isolation.
Boiler body is welded from special boiler steel of 6mm
thickness to ensure long lifetime of boiler. Next
advantages are: high reliability, low wood consumption,
easy attendance, dustless operation, combustion of soft
and hard wood, big hopper, minimum of waste, automatic
boiler stop at fuel burn-out, integrated aftercooling circuit
for safe operation and prevention of emergency state.
Boiler fulfils criteria of the highest class under the
European norm EN303-5.
MAIN ADVANTAGES OF BOILERS ATTACK DP