PRN-W Reverse flame tube boilers for Hot/Superheated water
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Transcript of PRN-W Reverse flame tube boilers for Hot/Superheated water
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8/6/2019 PRN-W Reverse flame tube boilers for Hot/Superheated water
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SCOTCH type water boilers
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ARTEMIS
Reverse flame tube boilers for hot / superheated water.Capacity range: 35.000 3.000.000 kcal/h
High efficiency.
The flame produced by the burner develops in the furnace.
Produced flue gases return towards the front and enter the tube
nest through the smoke chamber in the door. On leaving the tube
nest, flue gases are collected in the rear box and transferred to the
chimney.
The bottom of the boiler is arched and not flat as is common in the
market. This geometry ensures greater tolerance to mechanicalstress and better heat transfer.
High water volume in combination with a sophisticated design
ensures good water circulation and prevents from scaling.
Insulation with high density mineral wool protected with stucco
aluminium cover sheets.
Three-pass flame tube boiler for hot and superheated water.Range Capacity : 500.000 8.000.000 kcal/h
Durability.
These boilers have a three flue gas pass layout, the first of which
passes through the furnace. Produced flue gases are reversed in the
rear wet reverse chamber and return towards the front through the
tube nest of the second pass.In the front smoke chamber flue gases
are reversed again, enter the tube nest of the third pass and are then
collected in the rear box and transferred to the chimney.
The gas reversing chamber is water rinsed, while its design allows not only the smooth reverse of flue gases towards the tubes of the
second pass but also its easy visitation when it needs to be cleaned
or serviced.
Hot / Superheated water boilers product range:
PRN /W
SCOTCH /W
ARTO HN
PRN/W TYPE WATER-BOILERS SCOTCH/W TYPE WATER-BOILERS
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ARTEMIS economizers can increase the boiler efficiency by 5-7%
using the flue gas energy that is released unexploited in the
atmosphere.
This energy builds up the temperature of the return flow water so
the efficiency of the boiler can reach 96%.
ARTEMIS economizers are especially designed and can be applied
to both new and already existing boilers.
Finned tubes of high quality
Large inspection openings Easily removable and pre-mounted to the flue gas rear chamber.
ECONOMIZERS
ARTO HN TYPE WATER-BOILERS
Hot water boilers with an integrated stainless steelwater heater.Capacity range : 50.000 500.000 kcal/h
A compatible burner is adapted to a steel made
combustion chamber. The flue gasses pass through
fire tubes and heat up the DHW which is insidea stainless steel tank with corrugated walls.
The fact that the DHW tank is hanged from the top
bottom of the boiler ensures that there is no
accumulation of scaling. This plays a vital role to
the long life of the boiler.
1
4
6
7
3
2
5
1Flue gases towards the chimney
2 Metal casing
3 Domestic Hot Water (DHW)
4 Metal Base
5 Furnace
6 Insulation
7 Primary fluid
(central heating water)
In most cases the investment ofan economizer can be paid back in
less than a year time!!
SOOT ACCUMULATORS
When the fuel used is heavy oil, then the flue gases except for their
high content in soot usually also contain unburnt masses which are
particularly damaging for the atmosphere and the environment.
A solution to this problem are soot accumulators, which through a
special layout of fins retain a big part of the soot and unburnt
masses and as a result the gases driven to the atmosphere are
cleaner.
Because heavy oil has high content in sulphur which is particularly
corrosive the soot accumulators are made of stainless steel sheets.
General switch
Burner switch
Circulator thermostat
Thermostat for burner function
Safety Thermostat for burner
Thermometer
ELECTRICAL CONTROL PANEL
The electrical control panel of the boiler consists of the following:
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ADVANTAGES
For all traditional oil andgaseous fuels
Low fuel consumption
Easy cleaning and maintenance
High water volumeWet back
High efficiency
Sophisticated design
High quality insulation
Durability
BOILER DOOR
One of the most important characteristics of a reverse flame
boiler is its door support.
In most cases a hanging of the door is observed and as a
result maintenance becomes hard and oen a leak of smoke gas
appears.
The support of the door of the ARTEMIS
PRN/W boiler is very carefully designed.
Despite its particularly big weight, it can
be closed even by a little child and no
sign of hanging will ever appear.
Smoke gases coming from the
tube nest are reversed through
the hollow in the door
insulation.
Special insulating materials
cut radiation losses to an
insignificant minimum.
FLUE GAS CHAMBERS
PRN/W
Alternatively the flue gas
connection duct can be
flanged and also arranged on
the top
The rear gas chamber is dismountable in all sizes of PRN/W and
SCOTCH/W type boilers.This makes maintenance and service a simple
procedure.
There in the flue gas chamber is also welded the flue gas connection
duct to the chimney. The connection is made by a carefully designed
coupling.
In big sized SCOTCH/W boilers (over 3.000.000 kcal/h) the rear smoke
gas chamber is welded to the boiler plate. However, it bears two
spacious ports which allow the cleaning of the boiler as well as easy
access to the rear boiler plate.
The flue gas side inspection opening bears a fireproof lining suitable
for temperatures up to 1900 C, which ensures easy access to the
furnace.
Superheated water boiler type PRN/HW
SCOTCH/W
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SINDOS INDUS. PARK
57022 THESSALONIKI
P.O. Box 1226, GREECE
+30 2310 519708
+30 2310 529783
+30 2310 799659
+30 2310 510794
www.artemis-boilers.gr
T F
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http://www.artemis-boilers.gr/http://www.artemis-boilers.gr/http://www.artemis-boilers.gr/http://www.artemis-boilers.gr/http://www.artemis-boilers.gr/