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ATMOS GASIFYING BOILERS FOR WOOD
The boilers are constructed for burning wood on the principle of gasifying with the use of a  exhaust gas ventilator, which draws the combustion gases from the boiler, or leads air into the boiler.
The boiler body is welded from 3-8 mm steel sheets. They comprise the fuel hopper, which is equipped at the bottom with a heatproof pipe fitting with longitudinal hole for the combustion gases and passage of gases. The burnout part of the multiple chamber furnace under the fuel hopper is equipped with ceramic pipe fittings. There is a vertical combustion gas duct in the back of the boiler body, which is equipped with a heating valve in the upper section. The upper part of the combustion gas duct is fitted with a gas exhaust outlet for connection to a chimney.


ADVANTAGES OF ATMOS GASIFICATION BOILERS FOR WOOD

  • Option to burn large pieces of wood
  • Primary and secondary air is also preheated to a high temperature - higher effectiveness
  • The ventilator automatically switches off when the fuel burns out.
  • Easy servicing and cleaning
  • Ceramic combustion space - high effectiveness
  • Large fuel container
  • Large space for ash (we clear it out once a week with wood)
  • Boiler without tube plate - easier cleaning
  • Small size and low weight
  • High quality
ENVIRONMENT

Reverse combustion and a ceramic combustion chamber enable perfect combustion with minimum polluting emissions. The boilers comply with environmentally-friendly product requirements according to Guideline No. 13/2002 of the Czech Ministry of Environment.

INSTALLATION

ATMOS boilers must be connected via the LADDOMAT 21 or ESBE thermoregulation valve to achieve keeping the minimum temperature of water returning to boiler at 65°C. The temperature of water exiting the boiler must be permanently kept between 80 - 90°C. The default configuration of all boilers includes a cooling circuit to prevent overheating. We recommend installing boilers with accumulation tanks.

CERTIFICATION

All ATMOS boilers are certified in testing laboratories for the individual countries of destination: State Testing Laboratory Brno, TÜV Munich - Germany,  according to current standards - EN 303-5.
Protected by patent.


     
   
BOILER REGULATION

Electrical - mechanical - Power is controlled with a safety valve operated with the draught regulator, FR 124 type, which automatically opens or closes the safety valve according to a set output temperature of water (80 - 90°C), (except for DC50SE) instead of this, the boiler is equipped with a BELIMO servo flap with a spring. When setting the power regulator, much attention should be paid because the regulator has another important function other than power regulation - it also secures the boiler against overheating. A controlling thermostat located on the boiler panel regulates the fan according to a set temperature (75 - 85°C). A temperature lower by 5°C should be set on the controlling thermostat rather than on the FR 124 draught regulator.
The boiler runs at a reduced output even without a fan - heating is not lost when the electric power fails. At up to 70 percent of its rated output, the boiler can be operated without a ventilator.

 



 

LEGEND OF THE BOILER DIAGRAM
1. Boiler drum
2. Filling door
3. Ash pan door
4. Fan - pressure, exhaust (S)
5. Fireproof and heat-resisting fitting - nozzle
6. Control panel
7. Safety thermostat
8. Regulating safety valve
9. Fireproof and heat-resisting fitting - furnace side - GS
10. Fireproof and heat-resisting fitting - GS - round space L+P
11. Sealing - nozzles
12. Fireproof and heat-resisting fitting - half-moon
13. Firing safety valve
 
14. Fireproof and heat-resisting fitting - GS - rear face of round space
15. Cleaning cover
16. Orifice plate
17. Firing safety valve pull rod
18. Thermometer
19. Furnace orifice plate
20. Switch
22. Power regulator - Honeywell FR124
23. Cooling loop
24. Fan thermostat
25. V. Door panel - Sibrall
26. Door sealing - cord 18 x 18
27. Waste gas thermostat
 


 

Dimensions DC 20GS DC 25GS DC 32GS DC 40GS DC 40SX DC 50S DC 70S DC 75SE
A 1200 1200 1200 1350 1200 1200 1320 1420
B 770 970 970 970 970 1170 1170 1470
C 670 670 670 670 670 670 670 770
D 946 946 946 1092 946 946 1050 1153
E 152 152 152 152 152 152 180 180
F 75 75 75 75 75 75 90 70
G 180 180 180 180 180 180 325 180
H 1000 1000 1000 1137 1000 1000 1230 1100
CH 255 255 255 255 255 255 - 305
I 240 240 240 240 240 240 240 290
J 6/4" 6/4" 6/4" 2" 6/4" 2" 2" 2"


 

Technical data: Type ATMOS DC 20GS DC 25GS DC 32GS DC 40GS DC 50S DC 80,DC 70S DC 75SE
Operating power interval (kW) 14-20 17-25 22-32 28-40 35-48 49-70 50-75
Required chimney Exhausted (Pa) 20 23 25 25 25 30 30
Boiler weight (kg) 350 408 415 453

 
407 487 700
Water volume (l) 64 80 80 90 89 93 190
Fuel container volume (dm3) 87 130 130 170 180 180 345
Max. length of wood (mm) 330 530 530 530 730 730 1000
Typ. consumption in season (m3) 17 25 32 40 50 70 64
Required fuel Dry wood with specific energy 5-18 MJ/kg, diameter 70 - 100 mm, 12 - 20% water contents
Min. return water temperature 65 °C
Efficiency in the operating power interval 81 - 87 %
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ECOLOGICAL GASIFYING BOILERS DC 100

90 % efficiency
Hopper volume - 400 l


 

TECHNICAL DATA
 Typ DC 100
 Boiler output (kw) 99
 Hopper volume (l) 400
 Max. fuel wood length (mm) 750
 Recommended fuel dry wood, heating value 15-18 MJ/kg, diameter 70-150 mm, moisture 12-20%
 Boiler height (mm) 1530
 Boiler width (mm) 980
 Boiler length (mm) 1120
 Boiler weight (kg) 780
 Specified chimney weight (pa) 35
 Flue diameter (mm) 200
 Flue axis height from the ground (mm) 1260
 Effectiveness 85 - 90 %
 Min. return water temperature 65 °C

 


 


 

KEY TO BOILER DIAGRAM
1. Boiler drum
2. Charging door
3. Ashtray
4. Control panel
5. Control valve
6. Fireproof brick - firebox bottom
7. Fireproof brick - top spherical area
8. Chimney valve
9. Thermometer
10. Honeywell Fr 124 output regulator
 
11. Door lining - Sibral
12. Door seal
13. Closure
14. Fireproof brick
15. Slide - primary air regulation
16. Slide - secondary air regulation
17. Orifice
18. Cooling loop against overheating
19. Thermostat for the pump
20. Switch