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Air outlet device for biomass combustion furnace

A biomass combustion furnace and air outlet technology, which is applied in the combustion method, combustion equipment, combustion air/fuel supply, etc., can solve the problems of increasing fuel slagging, affecting the working performance of the combustion furnace, etc., and achieves control of local high temperature. , the effect of uniform distribution

Active Publication Date: 2017-10-27
FUZHOU SUNSHI XIONGDI IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The air outlets of the existing biomass combustion furnace furnaces all use round holes to blow air to the furnace, causing the oxidant (air) to concentrate in the local position of the fuel, which increases the possibility of fuel slagging in the furnace and seriously affects the The working performance of the combustion furnace

Method used

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  • Air outlet device for biomass combustion furnace
  • Air outlet device for biomass combustion furnace
  • Air outlet device for biomass combustion furnace

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A lower cap 27 is installed on the upper end of the straight air duct 19, and an upper cap 29 is installed above the lower cap 27. The upper cap 29 is movably connected with the inner hole of the straight air duct 19 through the upper cap fixing rod 26, and several upper cap positioning ribs 30 are facing upward The axial direction of the fixed rod 26 is evenly distributed on the outer circular surface of the upper cap fixed rod 26, and the grooved outer cylinder formed by several upper cap positioning ribs 30 is concentrically connected with the straight air pipe 19 inner holes, so that the upper cap 29 is connected to the straight air pipe. 19 concentric activities are positioned, the upper cap 29 is an umbrella structure, the inner end face structure of the upper cap 29 is conical or truncated cone, and the upper end face of the lower cap 27 is a truncated cone structure, corresponding to the upper end face of the upper cap 29.

[0038] The taper formed by several low...

Embodiment 2

[0045] A lower cap 31 is installed on the upper end of the straight air duct 19, and an upper cap 32 is installed above the lower cap 31. The upper cap 32 is movably connected with the inner hole of the straight air duct 19 through the upper cap fixing rod 26, and several upper cap positioning ribs 30 are facing the upper cap The axial direction of the fixed rod 26 is evenly distributed on the outer circular surface of the upper cap fixed rod 26, and the grooved outer cylinder formed by several upper cap positioning ribs 30 is concentrically connected with the straight air duct 19 inner holes, so that the upper cap 32 is connected to the straight air duct. 19 concentric movable positioning, the upper end surface of the upper cap 32 is an umbrella structure, that is, a cone or a truncated cone structure, the bottom surface of the upper cap 32 is a planar structure, and the upper end surface of the lower cap 31 is a flat structure, which is connected to the bottom side of the uppe...

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Abstract

The invention discloses an air outlet device of a biomass combustion furnace. The air outlet device comprises a straight air pipe, a lower cover cap and an upper cover cap. The air outlet device is characterized in that the lower cover cap is arranged on the periphery of a pipe opening in the upper end of the straight air pipe, and the upper cover cap is arranged above the lower cover cap; the upper end face of the upper cover cap is of a conical surface or spherical surface structure; and an air outlet or an air outlet channel is arranged between the upper cover cap and the lower cover cap, and the straight air pipe communicates with the air outlet or the air outlet channel. Air distribution in a hearth is more uniform, and the situation of the local high temperature is effectively controlled. Fuel can be better moved downwards through the umbrella-shaped outer side face of the upper cover cap, the fuel is prevented from staying on the upper surface of the upper cover cap, and fuel supplementing is uniform. The upper cover cap is movably connected with an inner hole of the straight air pipe through an upper cover cap fixing rod, positioning is achieved through gravity of the upper cover cap, and mounting and dismounting are convenient during air outlet maintaining.

Description

technical field [0001] The invention belongs to a solid fuel combustion furnace, in particular to an air outlet device of a biomass combustion furnace. Background technique [0002] The air outlets of the existing biomass combustion furnace furnaces all use round holes to blow air to the furnace, causing the oxidant (air) to concentrate in the local position of the fuel, which increases the possibility of fuel slagging in the furnace and seriously affects the Furnace performance. Therefore, the prior art scheme also needs to be further improved. Contents of the invention [0003] In view of the deficiencies in the prior art above, the purpose of the present invention is to provide an air outlet device for a biomass combustion furnace. [0004] The technical scheme adopted in the present invention is: [0005] A biomass combustion furnace air outlet device, including a straight air pipe, a lower cap and an upper cap, the upper end of the straight air pipe is equipped wit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23L1/02
CPCF23L1/02
Inventor 孙清刚陆振邦孙吉章
Owner FUZHOU SUNSHI XIONGDI IND