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    • 3. 发明授权
    • Oxygen blast nozzle
    • 氧气喷嘴
    • US4730784A
    • 1988-03-15
    • US17763
    • 1987-02-20
    • Andre BockRomain HenrionJean LieschCarlo HeintzHenri KleinJean-Francois Liesch
    • Andre BockRomain HenrionJean LieschCarlo HeintzHenri KleinJean-Francois Liesch
    • C21C5/46B05B7/12
    • C21C5/4606
    • A nozzle for the refining of metals by oxygen blasting from above the melt is presented. The nozzle includes a nozzle head having a blast pipe therethrough upstream of the mouth of the nozzle. The blast pipe directs a jet of gas comprised, at least in part, of oxygen, having a supersonic speed onto the melt. The blast pipe includes an inner tube. The lower portion of the inner tube has a throat positioned between a convergent and divergent sections, this lower portion defining a laval nozzle. The blast pipe also includes an outer tube coaxial with the inner tube and having a greater cross section than the inner tube. The mouth of the inner tube is spaced back (downstream) from the mouth of the blast pipe. The inner and outer tubes are each provided with flow control valves, and are connected to sources of pressurized gas. Devices are provided to vary the cross sectional area of the mouth of the inner tube. This device may consist of a needle shaped member, displaceable along the longitudinal axis of the inner tube, with the pointed portion of the needle movable between different positions within the convergent section of the inner tube.
    • 提出了一种用于通过从熔体上方进行氧气喷射来提炼金属的喷嘴。 喷嘴包括喷嘴头,喷嘴头具有穿过喷嘴口的上游的鼓风管。 喷射管将包含至少部分氧的具有超音速速度的气体射流引导到熔体上。 鼓风管包括内管。 内管的下部具有位于收敛部分和发散部分之间的喉部,该下部限定了一个拉维尔喷嘴。 鼓风管还包括与内管同轴并具有比内管更大的横截面的外管。 内管的口与鼓风管口分开(下游)。 内管和外管各设有流量控制阀,并连接到加压气体源。 设置设备以改变内管的口部的横截面积。 该装置可以包括可沿着内管的纵向轴线移位的针状构件,针的尖部可在内管的会聚部分内的不同位置之间移动。
    • 5. 发明授权
    • Blast pipe for refining nozzle
    • 喷管用于精炼喷嘴
    • US4730814A
    • 1988-03-15
    • US17883
    • 1987-02-20
    • Andre BockRoamin HenrionJean LieschCarlo HeintzHenri KleinJean-Francois Liesch
    • Andre BockRoamin HenrionJean LieschCarlo HeintzHenri KleinJean-Francois Liesch
    • C21C7/072C21C5/46C21C5/32
    • C21C5/4606
    • A blast pipe for delivering refining oxygen to the space above a metal bath in a refining operation is presented. The blast pipe is positioned in a gas supply duct and is provided with a pressure regulating valve. The blast pipe comprises a fixed straight wall portion along which the gas flows in a linear path. The straight wall portion terminates at a sharp edge, constituting a portion of the blast pipe exit orifice. A bent wall segment is located adjacent to and downstream of the straight wall portion and connects the remainder of the straight wall portion to the exit orifice. The bent wall segment preferably has a convergent configuration, upstream of the sharp edge, and a divergent configuration downstream thereof. The exit orifice, in cross section, has the shape of a rectangle, one of the long sides of which constitutes the sharp edge.
    • 提出了一种用于在精炼操作中将精炼氧提供到金属浴上方的空间的鼓风管。 鼓风管位于气体供给管道中并设有压力调节阀。 鼓风管包括固定的直壁部分,气体沿着该固定的直壁部分在线性路径中流动。 直壁部分终止于锋利的边缘,构成鼓风管出口孔的一部分。 弯曲的壁段位于直壁部分附近和下游,并将直壁部分的其余部分连接到出口孔。 弯曲的壁段优选地具有在锋利边缘的上游和在其下游的发散构造的收敛构型。 出口孔的横截面具有矩形的形状,其长边中的一个构成锋利的边缘。
    • 9. 发明授权
    • Air-conditioner housing
    • 空调房
    • US07546868B2
    • 2009-06-16
    • US10522917
    • 2003-05-26
    • Henri KleinEvripidis Koukouravas
    • Henri KleinEvripidis Koukouravas
    • B60H1/00
    • B60H1/00664B60H1/00064B60H2001/00092B60H2001/00164
    • An air conditioner housing having an evaporation device, a heating device, an air control device, an interior space in which air flow paths are formed, and having a housing which surrounds the interior space, is proposed. The air conditioner housing (1) is defined in that a first air flow path (15) and a second air flow path (17) are formed, and in that the air control device (9) has at least two mixing flaps (11, 13), a first mixing flap (11) of which is designed to the first air flow path (15), and a second mixing flap (13) of which is assigned to the second airflow path (17), and in that the mixing flaps (11, 13) each completely open the assigned air flow path (15, 17) in a first functional position and completely close it in a second functional position.
    • 提出了具有蒸发装置,加热装置,空气控制装置,形成有空气流路的内部空间以及具有围绕内部空间的壳体的空调壳体。 空调机壳体(1)的特征在于,形成有第一空气流路(15)和第二空气流路(17),空调装置(9)具有至少两个混合翼片(11, 13),其第一混合翼片(11)被设计为第一空气流动路径(15),并且第二混合翼片(13)被分配给第二气流路径(17),并且其中混合 每个翼片(11,13)在第一功能位置中完全打开分配的空气流动路径(15,17),并且在第二功能位置完全关闭它。