Low NOx emission industrial burner and combustion process thereof
    2.
    发明授权
    Low NOx emission industrial burner and combustion process thereof 有权
    低NOx排放工业燃烧器及其燃烧过程

    公开(公告)号:US08920160B2

    公开(公告)日:2014-12-30

    申请号:US12734128

    申请日:2008-10-10

    Abstract: Low NOx emission industrial burner, adapted to operate both in a flame or stage mode and in a flameless mode, so that also the heating step of the chamber of a furnace may be made by means of the same burner, without providing a pilot burner, thus ensuring very low NOx emissions for the whole operation range of the burner and for the whole range of temperatures in the chamber. The combustion process, made by means of said burner, provides for the possibility to combine the stage mode operation with the flameless mode operation.

    Abstract translation: 低NOx排放工业燃烧器,适于以火焰或舞台模式和无火焰模式操作,使得炉子的腔室的加热步骤也可以通过相同的燃烧器制成,而不需要提供引燃燃烧器, 从而确保燃烧器的整个操作范围和室内的整个温度范围内的非常低的NOx排放。 通过所述燃烧器制造的燃烧过程提供了将舞台模式操作与无焰模式操作组合的可能性。

    Three stage low NOx burner and method
    5.
    发明申请
    Three stage low NOx burner and method 有权
    三级低NOx燃烧器及方法

    公开(公告)号:US20050053877A1

    公开(公告)日:2005-03-10

    申请号:US10933840

    申请日:2004-09-03

    Abstract: The present invention is an air-staged low NOx burner for firing a gaseous fuel. The burner fires three stages, with the first stage of combustion taking place substantially within a burner cup section of a refractory baffle, the second stage of combustion taking place adjacent to the baffle and downstream of the baffle, and the third stage of combustion within a furnace. The flow of main combustion air adjacent to the baffle creates a negative pressure zone adjacent to the baffle. The present invention is also a method for low NOx staged combustion.

    Abstract translation: 本发明是用于燃烧气态燃料的空气低NOx燃烧器。 燃烧器起火三个阶段,其中燃烧的第一阶段基本上在耐火挡板的燃烧器杯部分内部进行,第二阶段的燃烧发生在挡板附近并在挡板的下游,以及第三阶段的燃烧 炉。 邻近挡板的主燃烧空气的流动产生邻近挡板的负压区。 本发明也是低NOx分段燃烧的方法。

    Ultra low NOx burner for process heating
    6.
    发明授权
    Ultra low NOx burner for process heating 有权
    用于过程加热的超低NOx燃烧器

    公开(公告)号:US06773256B2

    公开(公告)日:2004-08-10

    申请号:US10067450

    申请日:2002-02-05

    Abstract: An ultra low NOx burner for process heating is provided which includes a fluid based flame stabilizer which provides a fuel-lean flame at an equivalence ratio in the range of phi=0.05 to phi=0.3 and fuel staging lances surrounding the flame stabilizer in circular, flat, or load shaping profiles, each lance comprising a pipe having a staging nozzle at a firing end thereof, each lance having at least one hole for staging fuel injection, and each hole having a radial divergence angle and an axial divergence angle. The at least one hole and the divergence angles provide circular, flat or load shaping flame pattern. The burner provides NOx emissions of less than 9 ppmv at near stoichiometry combustion conditions.

    Abstract translation: 提供了一种用于工艺加热的超低NOx燃烧器,其包括基于流体的火焰稳定器,其以等于phi = 0.05至phi = 0.3的范围内的当量比提供无燃料燃烧火焰,以及环形火焰稳定器周围的燃料分级喷枪, 平坦的或负载成形轮廓,每个喷枪包括在其燃烧端具有分段喷嘴的管,每个喷枪具有至少一个用于分级燃料喷射的孔,并且每个孔具有径向发散角和轴向发散角。 至少一个孔和发散角提供圆形,平坦或负载成形火焰图案。 燃烧器在接近化学计量燃烧条件下提供小于9ppmv的NOx排放。

    Flat flame burners
    7.
    发明授权
    Flat flame burners 有权
    平焰燃烧器

    公开(公告)号:US06461145B1

    公开(公告)日:2002-10-08

    申请号:US09512307

    申请日:2000-02-24

    CPC classification number: F23D14/22 F23C2202/40

    Abstract: A flat-flame burner for reheat, holding, and heat-treatment furnaces for treating iron and steel products. It has at least one fuel-injection pipe lying along the axis of the body of the burner, a combustion tunnel and a combustion-air feed, the air being distributed in and by the body. The fuel is introduced via the injection pipe or pipes through at least one axial orifice lying in a plane close to the external plane of the combustion tunnel, into the combustion products. This produces a first dilution of the fuel in these combustion products, the fuel/combustion products mixture thus obtained being diluted further in the combustion air.

    Abstract translation: 一种用于再热,保温和热处理的钢铁和钢铁产品的平炉燃烧器。 它具有至少一个燃料喷射管,其沿着燃烧器主体的轴线,燃烧通道和燃烧空气进料,空气分布在身体中。 燃料通过喷射管或管道通过位于靠近燃烧通道的外部平面的平面中的至少一个轴向孔口进入燃烧产物。 这产生了这些燃烧产物中的燃料的第一稀释,因此所获得的燃料/燃烧产物混合物在燃烧空气中进一步稀释。

    Low NOx emissions, low noise burner assembly and method for reducing the NOx content of furnace flue gas
    8.
    发明申请
    Low NOx emissions, low noise burner assembly and method for reducing the NOx content of furnace flue gas 审中-公开
    低NOx排放,低噪音燃烧器组件和减少炉烟气NOx含量的方法

    公开(公告)号:US20010034001A1

    公开(公告)日:2001-10-25

    申请号:US09781817

    申请日:2001-02-12

    Abstract: A burner assembly for a furnace or like device having a firebox defining a combustion zone. The burner assembly includes a first annular tile defining a centrally located path for a flow of combustion air and a second annular tile concentric with the first annular tile. The second annular tile has an internal diameter which is larger than an external diameter of said first annular tile, and the second annular tile is positioned in surrounding relationship relative to at least a portion of said first annular tile so that a ring-shaped conduit is defined therebetween. The tiles are adapted for placement in the combustion zone of the furnace with the conduit in direct fluid communication with flue gases surrounding the combustion zone. The arrangement is such that combustion air flowing along said path induces a flow of flue gas through the conduit for entrainment by the flow of combustion air. The assembly may also include a gas jet positioned adjacent an inlet to said conduit providing a flow of gas for admixture with said flow of flue gas. A method is also disclosed whereby the burner assembly is used for introducing RFG into the combustion zone to thereby efficiently and effectively reduce the NO, content of furnace flue gas produced when air and fluid fuel are combusted in a combustion zone of a furnace.

    Abstract translation: 一种用于炉或类似装置的燃烧器组件,其具有限定燃烧区的火箱。 燃烧器组件包括第一环形瓦片,其限定用于燃烧空气流中心定位的路径和与第一环形瓦片同心的第二环形瓦片。 第二环形瓦片具有大于所述第一环形瓦片的外径的内径,并且所述第二环形瓦片相对于所述第一环形瓦片的至少一部分定位成围绕关系,使得环形导管是 。 该瓦片适于放置在炉的燃烧区域中,导管与围绕燃烧区域的烟道气直接流体连通。 这种布置使得沿着所述路径流动的燃烧空气引起烟道气流通过导管,以夹带燃烧空气的流动。 组件还可以包括邻近所述管道的入口定位的气体射流,其提供用于与所述烟道气流混合的气体流。 还公开了一种方法,其中燃烧器组件用于将RFG引入燃烧区域,从而当空气和流体燃料在炉的燃烧区域中燃烧时,有效地并且有效地减少产生的炉烟气的NO含量。

    Combination burner with primary and secondary fuel injection
    9.
    发明授权
    Combination burner with primary and secondary fuel injection 失效
    一次和二次燃油喷射组合燃烧器

    公开(公告)号:US5700143A

    公开(公告)日:1997-12-23

    申请号:US439944

    申请日:1995-05-12

    CPC classification number: F23D17/002 F23C2202/40

    Abstract: A combination burner which uses primary and secondary fuel injection and improves liquid propane combustion. The burner supplies primary air, while secondary air is swirled to shape and mix the flame when the burner is firing "on oil". When the burner is firing "on gas", primary air enters the burner through an annulus at the atomizing air pipe or conduit so as to have the primary gas enter that pipe; secondary gas is injected radially into the air stream at a downstream location relative to an atomizing nozzle. In using liquid propane (butane) to fire the burner, two stage fuel injection is used, with a stream of fuel being injected upstream and toward the burner centerline and another stream of fuel being injected downstream and outwardly away from the burner centerline.

    Abstract translation: 一种组合式燃烧器,其使用一级和二级燃料喷射并改善液体丙烷燃烧。 燃烧器提供一次空气,而当燃烧器“油上”时,二次空气旋转形成并混合火焰。 当燃烧器点燃“燃气”时,一次空气通过雾化空气管或导管的环形空气进入燃烧器,以使初级气体进入该管道; 在相对于雾化喷嘴的下游位置,二次气体径向喷射到空气流中。 在使用液体丙烷(丁烷)来燃烧燃烧器时,使用两级燃料喷射,燃料流注入燃烧器中心线的上游并且朝向燃烧器中心线注入另一燃料流在燃烧器中心线的下游并向外喷射。

    Gas burner having a pack of stacked metal plates at the combustion
chamber inlet
    10.
    发明授权
    Gas burner having a pack of stacked metal plates at the combustion chamber inlet 失效
    气体燃烧器在燃烧室入口处具有一堆堆叠的金属板

    公开(公告)号:US5622491A

    公开(公告)日:1997-04-22

    申请号:US28157

    申请日:1993-03-09

    Applicant: Arie Van Belle

    Inventor: Arie Van Belle

    Abstract: A gas burner is described, provided with a connection for supplying a mixture of combustible gas and combustion air, and a burner pack comprising a plurality of stacks of at least one metal plate which is deformed transversely to its flat plane, and at least one flat metal plate on both sides of each deformed plate, which stacks of burner plates are separated by a solid filler and said plates with their main surfaces being parallel to the flow direction of the gas/air mixture, wherein per stack the flow direction of the gas/air mixture from the flow channels bounded by said deformed plate and said flat plates is the same.According to the invention, each stack of burner plates comprises two or more deformed plates.

    Abstract translation: 描述了一种气体燃烧器,其设置有用于供应可燃气体和燃烧空气的混合物的连接,以及燃烧器组件,其包括多个堆叠的至少一个横向于其平面变形的金属板,以及至少一个平面 每个变形板的两侧的金属板,这些燃烧器板的堆叠由固体填料分开,并且所述板的主表面平行于气体/空气混合物的流动方向,其中每个堆叠气体的流动方向 来自由所述变形板和所述平板限定的流动通道的空气混合物是相同的。 根据本发明,每堆燃烧器板包括两个或多个变形板。

Patent Agency Ranking