Automatic Biomass
Boilers
SMART 300 kW

• Fully automatic, ecologic boilers with excellent features • Technical solution flexibility • Multiple fuel possibility
• Economical and ecological operation • 9 boilers in range • Efficiency 96 % • Output modulation 30–100 %
• Lambda sensor • Ceramic Burner Option • Vibrating Burner Plate Option • Low Maintenance & Service requirements
• Heating circuits regulation • Cascade installation solutions • Mobile phone control • Internet control
• Mobile container solutions • Special boiler accessories

rozcestnik-kotle-1

rozcestnik-kotle-2

Description:

1.   Channel And Operational Bin
      Separation Valve
2.   Operational Fuel Bin
3.   Fuel Level Sensor
4.   Moving Floor Mechanism
5.   Feeding Screw
6.   Primary Fan
7.   Secondary Fans
8.   Primary Burner Ring
9.   Grating/Vibrating Wheel
10. Upper/Lower Burner Rings
11. Refractory Ceramics
12. Control Unit Siemens
13. Control Unit Cover with Display
14. Accessories
    – Ignition gun
    – Emergency Extinguishing Mechanism
     – Safety Temperature Sensors
15. Exchanger Valve Servo-Drive
16. Heat Exchanger With Turbulators
17. Combustion Chamber Ash Bin
18. Exchanger Ash Bin – Option
19. Chimney Extension Box

20. Fuses
21. Main Switch
22. Small Service Doors
23. Big Service Doors
24. Grating/Vibrating Mechanism
25. Primary Air Channel
26. Ash Screws
27. Bottom Insulation
28. Bottom Hi-Temp Exchanger Insulation
29. Exchanger De-ashing – Option
30. Turbulators
31. Lambda Sensor
32. Dual Boiler Insulation
33. Turbulators Drive Motor

SMART Boilers Application Options:

• Apartment Buildings
• Multifunctional Buildings
• Shopping Centres
• Production Plants & Industrial Premises & Storage Premises
• Agriculture & Aquaculture & Horticulture Farms
• Hotels/Motels/Wellness Centres/Pools/Sport Arenas
• Municipality Buildings
• Schools, Hospitals, Police & Army Complexes
• City Districts

New design features

• Ceramic Burner

• Vibrating Burner Plate

DIMENSIONS AND WEIGHTS OF TECHNOLOGIES 300–500 kW

A	B	C	D	E	F	G	H	CH
2940	2080	2480	820	1995	1560	1790	750	655

WEIGHTS
Burning chamber 300–500 kW	1 550 kg	Total weight
Exchanger 300 kW	1 500 kg	3 050 kg

Left sided

Right sided

1. Water outlet DN100/PN6

2. Water inlet DN100/PN6

3. In/out water valve 3/4“
of burning chamber

4. In/out water valve 3/4“
of heat exchanger

5. Chimney outlet
avg. 300 mm

5* Option for limited spaces

SERVICE ZONES OF TECHNOLOGIES 300–500 kW

SMART BOILERS OPERATING DATA
Technical data of the boiler
Marking		300
Nominal power Pn	kW	300
Partial load (power) Pp	kW	75
Boiler efficiency at Pn	%	>95
Boiler class		5
Water
Water volume	l	690
Diameter of water connection	“	4
Diameter of water connection	DN	100
Hydraulic-pressure drop of the boiler at the temperature fall 20°	mbar	95
Boiler temperature	°C	60–90°
Minimal temperature of returnable water	°C	55
Maximal operational pressure	bar	3,5
Test pressure	bar	6,5
Temperature of furnace	°C	900–1100
Pressure of furmace	mbar	-0,04
Required draught of the chimney	mbar	0,2
Requirement for the forced draught		Yes
Combustion temperature at Pn	°C	99,6
Combustion temperature at Pp	°C	63,1
Diameter of flue gas duct	mm	300
Diameter of chimney	mm	350
Fuel clasification according to norm EN 14961
Wood pellets – C1	Tested fuel	D6, M10, A1,5, DU90,0
Wood chips – B1	Tested fuel	P45, M30, A3.0
Electrical installation
Electrical connection		3+N+PE 50Hz 230/400V TN-C-S
Conveyor engine	W	550
Feeding auger engine	W	550
Exchanger cleaning engine (s)	W	2 x 550
Ash-removing engine	W	550
Fan of primary air	W	66
Fan of secondary air 1	W	170
Fan of secondary air 2	W	170
Chimney exhaust fan	W	1100
Electrical ignition	W	1600
Separation flap valve	W	6,5
Total	W	4762,5

		SMART 300
AUTOMATIC BIOMASS BOILERS SMART 300		Wood pellets		Wood chips
AUTOMATIC BIOMASS BOILERS SMART 300		Rated	Minimum	Rated	Minimum
Measured values
Rated heat capacity	kW	300	300	300	300
Combustion product temperature	°C	92,5	64,2	99,6	63,1
Fuel consumption	kg/hour	67,15	16,42	75,50	18,70
Input water temperature	°C	56,7	60,0	59,0	57,4
Outlet water temperature	°C	73,3	75,8	74,7	75,0
Cooling water temperature	°C	9,6	11,1	9,6	11,0
Cooling water flow rate	m³/hod	15,234	3,873	16,850	3,720
Draught behind boiler	Pa	130,0	25,0	130,0	25,0
Ambient temperature	°C	24,4	21,5	26,4	23,6
Relative air humidity	%	42,9	43,7	46,9	47,2
Barometric pressure	kPa	99,20	99,30	99,10	99,30
Flue gas analysis
Oxygen O₂	%	7,12	11,32	7,11	11,68
Carbon dioxide CO₂	%	11,66	9,13	12,35	8,44
Carbon monoxide CO	ppm	59	155	63	180
Higher hydrocarbons OGC	ppm	2	6	4	7
Nitrogen dioxides NOx	ppm	80	55	87	48
Dust	mg/m³	35	31	25	41
O2 = 10%
Carbon monoxide CO	mg/m³	58	220	63	265
Higher hydrocarbons OGC	mg/m³	1	4	2	4
Nitrogen dioxides NOx	mg/m³	130	129	142	116
Dust	mg/m³	27	35	20	48
Auxiliary combustion values (solid fuels)
Mass flow rate gases	kg/sec	0,196	0,060	0,191	0,066
Stoichiometric oxygen value	m³/kg	0,958	0,957	0,832	0,830
Stoichiometric air value	m³/kg	4,560	4,558	3,963	3,950
Stoichiometric volume of dry combustion products	m³/kg	4,449	4,446	3,883	3,871
Stoichiometric air multiple		1,50	2,14	1,50	2,23
Volume of dry combustion products, actual	m³/kg	7,254	9,245	6,088	8,857
Volume of H₂O in the combustion air	m³/kg	0,091	0,111	0,099	0,124
Volume of H₂O in the combustion produts	m³/kg	0,946	0,966	0,945	0,971
Maximum volume CO₂	%	19,01	19,01	19,37	19,36
Calculated values – heat overview
Loss of sensible heat of combustion products (chimney)	%	4,6	3,6	4,7	3,5
Loss of gas underburning	%	0,0	0,1	0,0	0,1
Loss of mechanical underburning	%	0,0	0,1	0,3	0,6
Loss of heat transfer into the environment	%	0,7	1,8	0,6	1,4
Total loss	%	5,4	5,6	5,5	5,5
Efficiency – indirect method	%	94,6	94,4	94,5	94,5
Heat input	kW	308,8	75,5	322,7	80,0
Heat capacity	kW	293,6	71,8	307,1	76,4
Uncertainty of determining heat capacity	% +/-	12,3	3,0	12,9	3,2
Efficiency – direct method	%	95,1	95,0	95,2	95,5
Capacity / rated output	%	97,9	23,9	102,4	25,5