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MixBioPells - IEE/09/758
Market Implementation of Extraordinary Biomass Pellets
World Bioenergy 2012-05-30
Anna Sager
SP – Technical Research Institute of Sweden
SP Technical Research Institute of Sweden is a leading international research institute. We create, use and provide world class expertise for innovation and the creation of added value both for the corporate sector and for a sustainable society.
Technical Areas
SP Structural and Solid Mechanics
Machinery Testing and Inspection
Agriculture and environment
Concrete and stone Fire Technology
Certification
Glass
Electronics
Energy Technology
Chemistry and Materials
Food and Biotechnology
Calibration and Verifications
Measurement Technology
Wood Technology
Surface Chemistry
Labelling draft for Pellets
EN agro – Proposal from MixBioPells to European Pellet Council: Handbook for the certification of non-woody
pellets based on EN 14961-6
EN
14
961
-6
Straw
EN
14
96
1-6
Miscant
hus
EN
14
96
1-6
Reed canary
gra
ss
EN
14
96
1-6
EN
14
96
1-6
B
The certificattion system contains the following essential points
• Requirements for pellet production and quality assurance (EN 15234-6)
• Requirements for the product (EN 14961-6)
• Requirements for labelling, logistics and intermediate storage
• Requirements for the delivery to end customers
MixBioPells - IEE/09/758
The essential components of the labelling draft are:
• Inspection and verification of the compliance of the agro and mixed biopellets with the European standards, as well as the logistics system (up to the end customer’s store), both according to the requirements written in this manual
• Specifications for the in-house quality management (certificate holder facilities and processes, employee qualifications, documentation duties, internal quality control)
• The execution of certification and external controls, license issuing and revoking, handling of complaints.
Labelling draft for Pellets
Product Quality
The quality of the pellets corresponds to the classes of the EN 14961-6.
• ENagro-cereal straw pellets
• ENagro-miscanthus pellets
• ENagro-reed canary grass pellets
• ENagro-blended pellets class A 5
• ENagro-blended pellet class B
MixBioPells - IEE/09/758
EAA AgropelletsKetunleipä 10FI-40520 JyväskyläTel. +358 20 722 2550E-mail: info@eaa-agropellets.com
Producer
Origin and source
Country and location
Traded form
2.1.2.1 Grasses, reed canary grass
Pellet
Jyväskylä, Finland
Dimensions
Moisture
Ash
Mechanical durability
Fines
Additives
(mm)Diameter (D) and length (L)
(w-% as received)
(w-% dry basis)
(w-% pellets after testing)
(w-%, < 3.15 mm)
(w-% of pressing mass)
D12 (12 mm 1mm, ja 3,15 L 50 , + <<
M12 ( 12 w-%)<
A8.0 ( 8.0 w-%)<
DU96.5
F1.0 (1 w-% at factory gate when loading)
Specification according to EN 14961-6
Bulk density
Net calorific value as received
Nitrogen
Sulphur
Chlorine
(kg/m )
(mg/kg dry)
3
(mg/kg dry)
(mg/kg dry)
DB550 ( 550 kg/m )>3
Q4.0 [kWh/kg]
1.5 mg/kg dry
0.15 mg/kg dry
0.09 mg/kg dry
<
<
<
< 1 w-% (kaolin)
Ag
rop
ellet
Simplified product declaration
Labelling draft for combustion appliances
Compared to the combustion of woody biomass, the main fields of problems for the combustion of alternative and mixed biomass fuels are:
• Slagging tendencies in the bottom ash
• Increased emissions on dust, NOx, HCl, SO2
• Increased risks of corrosion and fouling
The following combustion related parameters were identified by the project consortium to be considered in a labeling system for mixed pellets:
• Low emissions (CO, NOx, Particles)
• Small particles (PM 10 or PM 2.5 µm)
• Efficiency
• Measuring methods
• Ash amount and behavior
• Ash melting behavior
• Long term performance
Overview of existing standards for testing pellet appliances
• EN 303-5 Heating boilers: Heating boilers for solid fuels, hand and automatically stoked, nominal heat output of up to 300 kW Testing fuels: wood logs, wood briquettes, wood pellets, a number of fossil fuels
• EN 14785:2006 Residential space heating appliances (< 50 kW) Testing fuels: wood pellets
• EN 15270:2007 Pellet burners for small heating boilers (< 70 kW) Testing fuel: high quality pellets. Other fuels will be considered in future amendments
Requirements in EN 303-5:1999
- Production documentation - Drawings including material used and welding process
- Quality manual
- Safety and design requirements - Material used (steel/cast iron), wall thickness, water side connections, water
side resistance, temperature control and limiting devices for open and closed vented system, cleaning of heating surfaces, insulation, electrical safety (according to EN 60335-1), etc.
- Boiler performance requirements - Boiler efficiency
- Emission (CO, OGC and dust; NOx is optional)
- Heat output and combustion period (2h, 4h, 6h)
Test fuels in EN 303-5:1999
Revision of EN 303-5:1999
- Boilers up to 500 kW
- Non woody biomass such as straw, miscanthus, reeds, kernels and grains. (Suggestion: According to the range specification of the manufacturer or EN 14961)
- Additional safety requirements for automatically stoked boilers.
- Risk analyses shall be done by the manufacturer.
- Higher emission- and efficiency requirements.
Overwiev of existing voluntary labels for pellet appliances
• P-marking of pellet burners, pellet boilers and pellet stoves (Sweden) emissions, safety, function, surveillance inspections
• Nordic Ecolabelling of Solid biofuel boilers (Scandinavia) emissions, efficiency, environmentally responsible product design
• Der Blaue Engel (Germany) emissions, efficiency, safety, auxiliary power demand, environmentally responsible product design
• Din Plus for pellet stoves (Germany) emissions, efficiency
• Umweltzeichen 37 (Austria) emissions, efficiency, auxiliary power demand,
MixBioPells - IEE/09/758
Comparison – emission levels
MixBioPells - IEE/09/758
mg/Nm3 13% O2 Particles
mg /Nm3 10% O2 Particles
mg/Nm3 10% O2 OGC
mg/Nm3 13% O2 OGC
mg /Nm3 13% O2 CO
mg /Nm3 10% O2 CO
Sweden aut., autom. <50 kW 100
EN303-5 manual (class 3) Automatically stoked (class 3) Revision proposal: Automatically stoked 0-50 kW Class 4 Class 5
150 150
60 40
150 100
30 20
5 000 3 000
1 000 500
EN 15270 Pellet burner Class 1 Class 2 Class 3 Class 4 Class 5
200 180 150 75 30
1 750 200 100 75 50
15 000 5 000 3 000 1 000 500
EN 14785 Residential heaters 500/7501
P-mark. Sweden (voluntary): - Pellet stoves - Pellet burners - Pellet boiler
100
75 75
2 000 2 000
The Swan, Nordic (voluntary): - Boilers, automat. stoked - Stoves, automat. stoked
40
25
50
1 000
400
Comparison – emission levels (2)
MixBioPells - IEE/09/758
mg/Nm3 13% O2 Particles
mg /Nm3 10% O2 Particles
mg/Nm3 10% O2 OGC
mg/Nm3 13% O2 OGC
mg /Nm3 13% O2 CO
mg /Nm3 10% O2 CO
Sweden aut., autom. <50 kW 100 EN303-5 manual (class 3) Automatically stoked (class 3) Revision proposal: Automatically stoked 0-50 kW Class 4 Class 5
150 150
60 40
150 100
30 20
5000 3000
1000 500
EN 15270 Pellet burner Class 1 Class 2 Class 3 Class 4 Class 5
200 180 150 75 30
1750 200 100 75 50
15000 5000 3000 1000 500
EN 14785 Residential heaters 500/7501
P-mark. Sweden (voluntary): - Pellet stoves - Pellet burners - Pellet boiler
100
75 75
2000 2000
The Swan, Nordic (voluntary): - Boilers, automat. stoked - Stoves, automat. stoked
40
25
50
1000
400
Germany, grant schemes <15 kW2 50 250/500
Germany (DIN-plus - voluntary): - Pellet stoves
35
Germany (Blauer Engel, voluntary) - Pellet boilers3 - Pellet stoves3
20 25
5
10/15
90/200
180/400
Germany (by law): - Boilers, pellet > 4 kW - Pellet stoves - Pellet stoves with water jacket Step 2 (2015) - Pellet stoves - Pellet stoves with water jacket
60 50 30
30 20
Österrike Art. 15 a B-VG <400 kW, autom. mat. Reviderad (förslag)
Ca 1204 Ca 1004
Ca 804 Ca 604
Ca 1000
Österrike Umweltzeichen 37 (frivillig) Pannor fasta bränslen2
Ca 30
Ca 6
120/270
mg/Nm3
13% O2
Particles
mg /Nm3
10% O2
Particles
mg/Nm3
10% O2
OGC
mg/Nm3
13% O2
OGC
mg /Nm3
13% O2
CO
mg /Nm3
10% O2
CO
Germany, grant scheme <15
kW2
50 250/500
Germany(DIN-plus -
voluntary):
- Pellet boilers
35
Germany (Blauer Engel,
voluntary)
-Pellet boilers3
-Pellet stoves3
20
25
5
10/15
90/200
180/400
Germany (by law):
- Pellet boilers > 4 kW
- Pellet stoves
- Stoves with water jacket
Step 2 (2015)
- Pellet stoves
- Stoves with water jacket
60
50
30
30
20
Austria Art. 15 a B-VG <400
kW, autom. mat.
Revised (suggestion))
Ca 1204
Ca 1004
Ca 804
Ca 604
Ca 1000
Austria Umweltzeichen 37
(voluntary)
- Boilers for solid fuels2
Ca 30
Ca 6
120/270
Manufacturer MixBioPells boiler
Torgauer Strasse 116
D-04347 Leipzig, Germany
Output 50 kW
Boiler tested EN 303-5
Fuel requirement EN 14961-6 (Class A)
Exempel for a labelled boiler
Thank you for your attention!
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