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    • 3. 发明授权
    • Pressurized cyclonic combustion method and burner for particulate solid
fuels
    • 用于颗粒状固体燃料的加压气旋燃烧法和燃烧器
    • US4724780A
    • 1988-02-16
    • US38135
    • 1987-04-14
    • Franklin D. HoffertJ. David MilliganJames A. Morrison
    • Franklin D. HoffertJ. David MilliganJames A. Morrison
    • F02C3/26F23C3/00F23C6/04F23C99/00F23D20060101F23D1/02F23D1/00
    • F02C3/26F23C3/008F23C6/045
    • A pressurized cyclonic combustion method and a cylindrical burner apparatus for pressurized combustion of particulate solid fuels to produce a pressurized clean effluent gas. In the burner, the particulate solids such as wood chips are fed tangentially into a primary combustion chamber at its inlet end and flow at high tangential velocity in a helical path through the burner. Oxygen-containing combustion gas such as air is supplied tangentially at high velocity through multiple ports spaced along the burner length to maintain and/or increase the high tangential velocity and produce high centrifugal forces on the particulate solids and provide for prolonged combustion and produce high burner volumetric heat release rates exceeding about 400,000 Btu/hr ft.sup.3. A choke opening is provided centrally located at the combustion chamber outlet end for promoting prolonged combustion of solid fuel particles upstream of a quench zone. A secondary combustion chamber is provided downstream of the choke opening. Also, a quench gas stream is introduced into the choke zone preferably in a tangential flow direction opposite to the helical flow in the burner primary combustion chamber, so as to effectively mix the quench gas with the hot effluent gas and reduce its temperature, usually to about 1400.degree.-2000.degree. F. as determined by downstream metallurgy considerations. The resulting pressurized effluent gas can be further processed to remove any existing fine solids, and the clean pressurized gas can then be expanded in a gas turbine to produce useful power.
    • 一种加压气旋燃烧方法和用于颗粒状固体燃料的加压燃烧以产生加压清洁废气的圆柱形燃烧器装置。 在燃烧器中,诸如木片的颗粒固体在其入口端被切向地进入主燃烧室,并以高切向速度以穿过燃烧器的螺旋路径流动。 含氧的燃烧气体如空气以高速通过沿着燃烧器长度间隔开的多个端口切向地供应,以保持和/或增加高的切向速度,并在颗粒状固体上产生高离心力并提供长时间的燃烧并产生高燃烧器 体积放热率超过约400,000 Btu / hr ft3。 设置在燃烧室出口端的中央位置设置阻塞开口,用于促进固体燃料颗粒在骤冷区上游的长时间燃烧。 二次燃烧室设置在阻塞开口的下游。 此外,骤冷气流优选地以与燃烧器一次燃烧室中的螺旋流相反的切向流动方向被引入到扼流区中,以便有效地将骤冷气体与热流出气体混合并降低其温度,通常为 约1400°-2000°F,由下游冶金考虑确定。 所得到的加压流出气体可以进一步处理以除去任何现有的细小固体,然后清洁的加压气体可以在燃气涡轮机中膨胀以产生有用的功率。
    • 4. 发明授权
    • Atomization apparatus and method for liquid fuel burners and liquid
atomizers
    • 液体燃料燃烧器和液体雾化器的雾化装置和方法
    • US4507076A
    • 1985-03-26
    • US476454
    • 1983-03-17
    • Robert S. Babington
    • Robert S. Babington
    • F23D11/00B05B7/04F23D20060101F23D11/10F23D11/24F23D11/30F23D11/38F23D11/28
    • F23D11/10B05B7/0433
    • An improved apparatus and method for burning liquid fuel or atomizing liquid are disclosed for use in fuel burners or atomizers of the type which comprise a hollow atomizer bulb (20) having a smooth, preferably convex exterior surface (22) which tapers toward a small aperture (14) through which high pressure air or other gas is forced to atomize liquid as it flows in a thin film over the exterior surface of the bulb. Such atomizer bulbs are located within an atomizing chamber (12) through which a flow of air or other gas is directed toward a discharge opening (16,16') aligned with the aperture (24) of the atomizer bulb. To protect the thin film of liquid flowing over the exterior surface of the bulb, the bulb is enclosed within a shield (54-64) which also permits the atomizer bulb to be located closer to the discharge opening (16,16') so that the flame front (F) is positioned in the flame tube (48) rather than in the discharge opening.
    • 公开了用于燃烧液体燃料或雾化液体的改进的装置和方法,用于包括中空雾化器灯泡(20)的燃料燃烧器或雾化器,该空心雾化器灯泡具有平滑的,优选地凸出的外表面(22),该外表面朝向小孔 (14),当高压空气或其他气体在薄膜的外部表面上流动时迫使液体雾化。 这种雾化器灯泡位于雾化室(12)内,空气或其它气体的流动通过该雾化室朝向与雾化器灯泡的孔(24)对准的排放口(16,16')。 为了保护流过灯泡外表面的液体的薄膜,灯泡被封装在一个屏蔽(54-64)内,这也允许雾化器灯泡位于更靠近排放口(16,16')处,使得 火焰前沿(F)位于火焰管(48)中,而不是位于排出口中。