Open fire furnace with natural air intake, sufficient combustion and low and stable flame
A technology with full combustion and natural air intake, which is applied to household stoves/stoves, solid heating fuels, lighting and heating equipment, etc. It can solve the problems of short residence time, fast heat diffusion and fast drift, and achieve low, stable and concentrated flames. The effect of sufficient combustion and less emission
Inactive Publication Date: 2020-12-08
ZHEJIANG HUIWENMEI STOVE CO LTD
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Problems solved by technology
[0002] Existing open fire furnaces with natural air intake use firewood or biomass pellet fuel as solid fuel. Conventional open fire furnaces do not burn sufficiently, with high flames, fast dispersal, and non-concentration. Unburned combustible gas and smoke are trapped in the combustion chamber. Short residence time, fast heat diffusion, low thermal efficiency, high consumption and high smoke emission, serious blackening of the bottom of the pot
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[0022] see Figure 1-9 As shown, an open flame furnace with natural air intake, sufficient combustion, low flame and stable flame includes a furnace top plate 4 with a central hole 40, a furnace outer cylinder 1, a lining cylinder 2, a combustion inner cylinder 3 and an ash hopper 5, Furnace top plate 4 is respectively fastened to furnace outer cylinder 1 and combustion inner cylinder 3, the top port of combustion inner cylinder 3 is connected and sealed with the top port of lining cylinder 2, and the bottom opening of combustion inner cylinder 3 has a grate 30, which is connected to The ash chamber U is formed at intervals between the bottom plate and the bottom of the cylinder 2, and the ash chamber U runs through the side wall of the lining cylinder 2 and the side wall of the furnace outer cylinder 1 for the movement of the ash hopper 5 and is installed in the ash chamber U. The ash hopper bottom basin 51 and the damper 50 fixed on its outer end of the ash hopper bottom bas...
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The invention discloses an open fire furnace with natural air intake, sufficient combustion and low and stable flame, and belongs to the technical field of natural ventilation furnaces. The open firefurnace comprises a furnace top plate, a furnace outer tube, a lining tube, a combustion inner tube, an ash accumulation hopper, a fire blocking ring and a fire guide delayed combustion flame stabilizer, wherein the fire blocking ring and the fire guide delayed combustion flame stabilizer are fixed up and down; grate bars are arranged at the bottom of the combustion inner tube, the grate bars andbottom plates of the lining tube are spaced to form an ash chamber, and the ash accumulation hopper is located in the ash chamber; an air duct is formed between the lining tube and the side wall of the combustion inner tube, the air duct is in communication with secondary air ventilation holes formed in the upper portion of the side wall of the combustion inner tube, and is also in communication with secondary air supply holes formed in the side wall of the furnace outer tube; the fire blocking ring is placed on the furnace top plate, and the diameter of a center hole of the fire blocking ringis smaller than that of a center hole of the furnace top plate; and the inverted umbrella-shaped fire guide delayed combustion flame stabilizer is positioned in the combustion inner tube, is arrangedat the position below the secondary air ventilation holes, and the outer diameter of the fire guide delayed combustion flame stabilizer is smaller than the inner diameter of the combustion inner tube. According to the open fire furnace, after the fire guide delayed combustion flame stabilizer is arranged, flame is low, stable and concentrated, drifting is little, and combustion is sufficient.
Description
【Technical field】 [0001] The invention relates to an open flame furnace with natural air intake, sufficient combustion and low and stable flame, belonging to the technical field of natural draft furnaces. 【Background technique】 [0002] Existing open fire furnaces with natural air intake use firewood or biomass pellet fuel as solid fuel. Conventional open fire furnaces do not burn sufficiently, with high flames, fast dispersal, and non-concentration. Unburned combustible gas and smoke are trapped in the combustion chamber. The residence time is short, the heat diffuses quickly, and there are disadvantages of low thermal efficiency, high consumption and high smoke emission, and the blackening of the bottom of the pot is serious. 【Content of invention】 [0003] The object of the present invention is to provide an open flame furnace with natural air intake, sufficient combustion, low flame and stable flame. [0004] For this reason, the present invention adopts following tec...
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IPC IPC(8): F24B1/19F24B1/191
CPCF24B1/19F24B1/191Y02P10/143
Inventor 王晨凯沈惠阳
Owner ZHEJIANG HUIWENMEI STOVE CO LTD