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Water content: about 8-10%
The energy value of 1 ton of particles is about 5 MWh, which is equivalent to 0.5m³ oil
1M3 petroleum =2T particles =3.16 M3 particles
Scattered body bulk density =0.63
Particle bulk density =1.2
Dimensions: ￠ 6, ￠ 8; L=15-30mm
Water content: about 8-10%
The energy value of 1 ton of particles is about 5 MWh, which is equivalent to 0.5m³ oil
1M3 petroleum =2T particles =3.16 M3 particles
Scattered body bulk density =0.63
Particle bulk density =1.2
Dimensions: ￠ 6, ￠ 8; L=15-30mm
In Sweden, no binders or other additives are allowed
Ash weight content: about 0.3%; <0.5%
Swedish Granlet Standard SS1871201
Particle size: Maximum length =4 diameter
Volume density of bulk particles: 0.6
Durability: 0.8%
Energy value: 4.7 MWh / T
Ash by weight content: 0.7%
1M3=2T particles =3.16 M3 particles
Water content: 10%
Sulfur content: 0.08%
Additives: the variety and the additive proportion must be indicated
Chloride content: 0.03%
Ash melting point: the starting temperature is indicated
According to the external size, the dense biomass particles can be divided into two types of particles and compaction block. Particles refer to the compressed and cylindrical small segments of biomass, whose maximum diameter is generally 25mm. The block may be cylindrical or square or otherwise, with a diameter greater than 25mm and a length not more than 5 times the diameter.
According to Swedish standards, biomass particles are divided into three levels, and level 1 is the best.
Fuel particle grading | |||||
property | test method | unit | Level 1 | Level 2 | Level 3 |
Overall dimensions: diameter, length (in the manufacturer's warehouse) | Fuel pellets were sampled at least 10 random times | mm | The length distribution is less than 4 times the diameter | The length distribution is less than 5 times the diameter | The length distribution is below 5 times the diameter |
bulk density | SS18 71 78 | Kg/m3 | ≥600 | ≥500 | ≥500 |
Durability | SS18 71 80 | Powder by weight <3mm is powder,% | ≤0.8 | ≤1.5 | ≤1.5 |
Net calorific value (at delivery) | SS-ISO1928 | MJ/Kg | ≥16.9 | ≥16.9 | ≥15.1 |
Kwh/Kg | ≥4.7 | ≥4.7 | ≥4.2 | ||
ash content | SS18 71 71 | Weight / weight,% | ≤0.7 | ≤1.5 | >1.5 |
Total moisture content (at delivery) | SS18 71 70 | Weight / weight,% | ≤10 | ≤10 | ≤12 |
sulfur content | SS18 71 77 | Weight / weight,% | ≤0.08 | ≤0.08 | ≤indeterminate |
Adhesive content | Weight / weight,% | Composition and content are yet to be determined | |||
chloride content | SS18 71 85 | Weight / weight,% | ≤0.03 | ≤0.03 | indeterminate |
Ash decomposition temperature | SS187165/ISO540 | ℃ | The decomposition temperature is to be determined | ||
Fuel pressure block grading | |||||
property | test method | unit | Level 1 | Level 2 | Level 3 |
Overall dimensions: diameter, length (in the manufacturer's warehouse) | Fuel pellets were sampled at least 10 random times | mm | Upper limit to be determined, with a minimum of 25mm | The length distribution is less than 5 times the diameter | The length distribution is below 5 times the diameter |
Overall dimensions: Length (in the manufacturer's warehouse) | Greater than half of the diameter, but not over 300m | Minimum 10mm, maximum 100mm | |||
bulk density | SS18 71 78 | Kg/m3 | ≥550 | ≥450 | ≥450 |
Durability | SS18 71 80 | Weight of The one with powder <3mm is the powder,% | ≤8 | ≤10 | ≤10 |
Net calorific value (at delivery) | SS-ISO1928 | MJ/Kg | ≥16.2 | ≥16.2 | indeterminate |
Kwh/Kg | ≥4.5 | ≥4.5 | indeterminate | ||
ash content | SS18 71 71 | Weight / weight,% | ≤1.5 | ≤1.5 | indeterminate |
Total moisture content (at delivery) | SS18 71 70 | Weight / weight,% | ≤12 | ≤12 | ≤15 |
sulfur content | SS18 71 77 | Weight / weight,% | ≤0.08 | ≤0.08 | indeterminate |
Adhesive content | Weight / weight,% | Composition and content are yet to be determined | |||
chloride content | SS18 71 85 | Weight / weight,% | ≤0.03 | ≤0.03 | indeterminate |
Ash decomposition temperature | SS187165/ISO540 | ℃ | The decomposition temperature is to be determined | ||
