Wood and gas fuel burner
阅读：691发布：2022-01-16
专利汇可以提供Wood and gas fuel burner专利检索，专利查询，专利分析的服务。并且The present invention provides a burner by means of which waste wood and the fumes emitted by drying wood can effectively be burned to not only provide additional heat energy but also to reduce atmospheric pollution. The burner basically comprises two chambers. The wood, fed in powdery form, is burned in the first chamber, the product of this combustion being passed to the second chamber where it is mixed with the fumes before being combusted a second time. A number of innovations makes this burner highly effective and useful in the lumber mill industry.，下面是Wood and gas fuel burner专利的具体信息内容。
1. A burner for combusting wood and gaseous fuels, the wood fuel fed to the burner being in a powdery form and suspended in a stream of air, the burner comprising: first and second stages respectively having first and second chambers to which the wood and gas fuels are respectively fed; first and second means for respectively feeding the wood and gas fuels to said first and second chamber; third means for combusting the wood fuel in said first chamber; fourth means for passing the products of said combustion to said second chamber wherein it mixes with the gas fuel therein; fifth means contributing to the combustion of said mixture in said second chamber; and sixth means for moving the wood fuel through said chambers in a helical counter-clockwise path.
2. The burner defined in claim 1 wherein said first means includes a deflector unit whose input end is coupled to receive the stream of air with the wood fuel suspended therein and whose output end is coupled to said first chamber, said deflector unit including a plurality of dispersion vanes mounted at its input end and positioned at such an angle as to cause said air and wood fuel to move in a counter-clockwise manner as it flows therethrough toward the output end of said deflector unit, said deflector unit further including deflector apparatus mounted at its output end to deflect said air and wood fuel outwardly toward the walls of said first chamber.
3. The burner defined in claim 2 wherein said deflector apparatus includes first and second conical sections at its forward and rearward ends, respectively, the base of said rearward conical section including structure to smoothly divert said air-suspended wood fuel radially outwardly toward the walls of said first chamber; and wherein said deflector apparatus further includes a deflector ring whose inside surface is angled to deflect any air-suspended wood fuel coming into contact with it toward said rearward conical sectIon.
4. The burner defined in claim 2 wherein said deflector unit includes a cylindrically-shaped burner tube at whose input end said dispersion vanes are mounted and at whose output end said deflector apparatus is mounted, said dispersion vanes being distributed in a circular mode along the periphery of said burner tube and oriented at such an angle that the stream of air with the wood fuel suspended therein passing by the vanes are deflected by them into a counterclockwise rotational movement.
5. The burner defined in claim 2 wherein said burner further includes a supplementary air supply arrangement to provide additional air for combustion in said first chamber, said arrangement including a channel extending outside the wall of said first chamber and leading to the input end thereof.
6. The burner defined in claim 3 wherein said deflector unit includes a cylindrically-shaped burner tube at whose input end said dispersion vanes are mounted and at whose output end said deflector apparatus is mounted, said dispersion vanes being distributed in a circular mode along the periphery of said burner tube and oriented at such an angle that the stream of air with the wood fuel suspended therein passing by the vanes are deflected by them into a counterclockwise rotational movement.
7. The burner defined in claim 5 wherein said first chamber is cylindrically-shaped and wherein said sixth means includes a plurality of orifices through the wall of said first chamber that are located in a generally helical path therealong, said orifices intercoupling said supplementary air channel with said first chamber.
8. The burner defined in claim 6 wherein said first chamber is cylindrically-shaped and wherein said sixth means includes a plurality of orifices through the wall of said first chamber that are located in a generally helical path therealong, said orifices intercoupling said supplementary air channel with said first chamber.
9. The burner defined in claim 4 wherein the burner further includes a gas ring burner mounted at the input end to said first chamber and through which said burner tube concentrically extends, said gas ring burner being hollow, having orifices along its periphery, and having means for coupling it to a source of fuel.
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