Pellet burner
AssigneeShenzhen Asmoke Technology Co., Ltd.
InventorYing Zheng
Life of this patent
Estimating the term…
Abstract
A pellet burner includes: a burner body having a combustion chamber and an open top; a feed opening at a sidewall of the burner body; a through port under the burner body; and a grate structure above the through port and including two tiers of supports both secured to the burner body. Supports in the first tier are lower than the adjacent supports in the second tier. The second tier of supports are staggered with the first tier. A passage is between the two tiers of supports. The passage is narrower than a diameter D of the pellet fuel. A spacing between two adjacent supports in the second tier is greater than D but smaller than 2D. The feed opening is above the grate structure by no less than 3D. The pellet fuel drops from the feed opening. Air entering via the through port disperses the burnt pellet fuel ash.
Claims10
A pellet burner, comprising:
- a burner body having a combustion chamber, a top of the burner body being open;
- and
- a feed opening provided at a first sidewall of the burner body,
- wherein a through port for air intake and ash falling is provided at an underside of the burner body,
- wherein a grate structure supporting pellet fuel is provided above the through port, the grate structure comprising a first tier of supports and a second tier of supports, the first tier of supports and the second tier of supports being secured to the burner body,
- wherein supports in the first tier are disposed lower than the adjacent supports in the second tier, and the second tier of supports are staggered with the first tier of supports in a vertical direction,
- wherein a first passage for ash falling and air intake is provided between the first tier of supports and the second tier of supports,
- wherein a width of the first passage is smaller than a diameter D of the pellet fuel, and a spacing L2 between two adjacent supports in the second tier is greater than D but smaller than 2D, and
- wherein the feed opening is disposed above the grate structure with a height difference H, H being no less than 3D, such that the pellet fuel drops from the feed opening to strike loose burnt pellet fuel ash, and air entering via the through port disperses the burnt pellet fuel ash between adjacent first and second tiers of supports.
Dependencies are inferred from the claim text.