Automatic Biomass
Boilers
SMART 350 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

smart-kw150-2

A	B	C	D	E	F	G	H	CH
2940	2020	2600	940	1995	1560	1790	750	655

WEIGHTS
Burning chamber 300–500 kW	1 550 kg	Total weight
Exchanger 350 kW	1 600 kg	3 150 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

smart-kw150-3

SERVICE ZONES OF TECHNOLOGIES 300–500 kW

SMART BOILERS OPERATING DATA
Technical data of the boiler
Marking		350
Nominal power Pn	kW	350
Partial load (power) Pp	kW	90
Boiler efficiency at Pn	%	>95
Boiler class		5
Water
Water volume	l	740
Diameter of water connection	“	4
Diameter of water connection	DN	100
Hydraulic-pressure drop of the boiler at the temperature fall 20°	mbar	102
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	99,3
Combustion temperature at Pp	°C	62,1
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 350
AUTOMATIC BIOMASS BOILERS SMART 350		Wood pellets		Wood chips
AUTOMATIC BIOMASS BOILERS SMART 350		Rated	Minimum	Rated	Minimum
Measured values
Rated heat capacity	kW	350	350	350	350
Combustion producttemperature	°C	93,8	63,1	99,3	62,9
Fuel consumption	kg/hour	78,90	18,50	86,90	20,80
Input water temperature	°C	58,4	60,6	59,3	57,7
Outlet water temperature	°C	75,5	76,1	75,0	74,5
Cooling water temperature	°C	9,5	10,7	9,6	11,0
Cooling water flow rate	m³/hod	17,272	4,492	19,438	4,428
Draught behind boiler	Pa	151,0	25,0	150,0	25,0
Ambient temperature	°C	26,0	23,0	27,0	24,0
Relative air humidity	%	37,0	38,0	41,0	41,0
Barometric pressure	kPa	99,20	99,30	99,07	99,22
Flue gas analysis
Oxygen O₂	%	7,59	10,37	7,17	11,20
Carbon dioxide CO₂	%	11,46	9,61	12,15	8,88
Carbon monoxide CO	ppm	82	133	101	173
Higher hydrocarbons OGC	ppm	6	5	3	6
Nitrogen dioxides NOx	ppm	74	61	93	56
Dust	mg/m³	30	30	45	54
O2 = 10%
Carbon monoxide CO	mg/m³	87	182	101	246
Higher hydrocarbons OGC	mg/m³	3	3	2	4
Nitrogen dioxides NOx	mg/m³	124	129	153	128
Dust	mg/m³	24	32	25	48
Auxiliary combustion values (solid fuels)
Mass flow rate gases	kg/sec	0,236	0,064	0,224	0,070
Stoichiometric oxygen value	m³/kg	0,958	0,957	0,832	0,830
Stoichiometric air value	m³/kg	4,560	4,558	3,962	3,951
Stoichiometric volume of dry combustion products	m³/kg	4,449	4,447	3,882	3,872
Stoichiometric air multiple		1,56	1,99	1,51	2,19
Volume of dry combustion products, actual	m³/kg	7,388	8,843	6,191	8,481
Volume of H₂O in the combustion air	m³/kg	0,087	0,098	0,089	0,174
Volume of H₂O in the combustion produts	m³/kg	0,942	0,953	0,935	0,953
Maximum volume CO₂	%	19,01	19,01	19,40	19,40
Calculated values – heat overview
Loss of sensible heat of combustion products (chimney)	%	4,7	3,3	4,7	3,3
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	%	0,6	1,4	0,5	1,2
Total loss	%	5,3	4,9	5,4	5,1
Efficiency – indirect method	%	94,7	95,1	94,6	95,0
Heat input	kW	363,0	85,2	371,4	89,0
Heat capacity	kW	345,8	81,4	354,5	85,2
Uncertainty of determining heat capacity	% +/-	14,5	3,4	14,9	3,6
Efficiency – direct method	%	95,3	95,5	95,4	95,7
Capacity / rated output	%	98,8	23,3	101,6	24,7