Biomass wood sawdust pellet fuel and preparation method thereof
A pellet fuel and biomass technology, applied in the direction of biofuel, waste fuel, fuel, etc., can solve the problems of biomass pellet fuel, such as low calorific value, low combustion rate and thermal efficiency, distinguishing identification and compound compatibility, short fuel burning time, etc. Reach the effect of reducing the addition of binding medium, prolonging the burning time and increasing the calorific value
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[0036] Example 1
[0037] The biomass pellet fuel is prepared according to the following steps:
[0038] (1) Mixing and crushing:
[0039] Select each described raw material component according to the components and formula ratios in Table 1: 5kg of pine sawdust and 10kg of oak sawdust, 5kg of ash sawdust, 10kg of ash sawdust, 15kg of birch sawdust, 5kg of elm sawdust, 10kg of jujube sawdust and 5kg of oak chips ; After mixing, pulverize to obtain sawdust particles with a diameter of 0.05-2mm.
[0040] (2) Drying: The wood chip particles obtained by mixing and pulverizing are sent to a drum oven for drying. The temperature of the front section is about 160-250 ° C, and the temperature of the rear end gradually decreases, so that the moisture content of the wood chip particles is finally 5-8 %;
[0041] (3) Transit inspection: The dried sawdust particles are sent to the storage room for moisture content inspection to ensure that the moisture content of the sawdust particles...
Example Embodiment
[0043] Example 2
[0044] The implementation process of this example is basically the same as that of Example 1, and its formula ratio and process control parameters are shown in Table 1 and Table 2.
[0045] Table 1 Formula ratio
[0046] component Example 1 Example 2 Example 3 Example 4 Comparative Example 3 Comparative Example 4 pine sawdust 5 10 15 12 5 12 oak chips 10 — — 20 10 20 Ash wood chips 5 90 5 10 5 10 Ash Sawdust 10 — 90 5 10 5 birch sawdust 15 — — 5 15 5 Elm Sawdust 5 — — 25 5 25 Date sawdust 10 — — 15 10 15 oak chips 5 5 — 20 5 20 CaO 0.5 1 0.6 — 0.5 —
[0047] Table 2 Process parameters
[0048]
[0049]
Example Embodiment
[0050] Example 3
[0051] The implementation process of this example is basically the same as that of Example 1, and its formula ratio and process control parameters are shown in Table 1 and Table 2.
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