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    • 2. 发明授权
    • Cross-flow heat exchanger
    • 横流式换热器
    • US4890670A
    • 1990-01-02
    • US750887
    • 1985-07-01
    • Gerhard Schiessl
    • Gerhard Schiessl
    • F28F3/04F28D9/00
    • F28D9/0062Y10T29/49357Y10T29/49366
    • To permit high-temperature differential cross flow of an initially cool, heat absorbing medium and an initially hot, heat releasing medium, with temperature differences in the order of 1000.degree. and higher, and to prevent localized thermal overload, the heat exchanger is a two-stage heat exchanger, with plate packages (5, 6) which are serially passed by the media, typically gaseous media. The first package (5) forms a preheater stage and the second package (6) forms a final heater stage. Connecting ducts (9, 10) are provided and so arranged that the initially hot fluid medium is conducted through flow channels in the second heater stage which receives heat absorbing medium which has already passed through the preheater stage, so that it has already been preheated, thereby reducing the temperature difference between the preheated heat absorbing medium and the initially hot, heat releasing medium. The heat releasing medium, having been cooled in the final heater stage, is then passed to the preheater stage where it transfers heat to the initially cool heat absorbing medium, which is directed to its inlet. The plate packages comprise flat plates, formed with corrugations, for example extending at an angle of 30.degree. with respect to the flow direction of the fluid.
    • 为了允许初始冷却的吸热介质和初始热的放热介质的高温差热交叉流动,其温度差在1000°及更高的数量级,并且为了防止局部热过载,热交换器是两个 阶段热交换器,具有连续地通过介质的板式封装(5,6),通常为气态介质。 第一包装(5)形成预热器阶段,第二包装(6)形成最终加热器阶段。 连接管道(9,10)被设置成使得最初的热流体介质通过第二加热器段中的流动通道传导,其接收已经通过预热器级的吸热介质,使得其已经被预热, 从而降低预热的吸热介质与最初的热的放热介质之间的温度差。 已经在最终加热器阶段中冷却的散热介质然后被传送到预热器阶段,在那里它将热传递到最初冷却的吸热介质,该介质被引导到其入口。 板包装件包括形成有波纹的平板,例如相对于流体的流动方向以30°的角度延伸。
    • 3. 发明授权
    • Method for producing by welding a finned heat exchanger pipe
    • 通过焊接翅片式热交换器管制造方法
    • US4856165A
    • 1989-08-15
    • US249387
    • 1988-09-26
    • Gunter ReuchleinGerhard Schiessl
    • Gunter ReuchleinGerhard Schiessl
    • B21D53/08B21C37/24
    • B21C37/24Y10T29/49378
    • The invention provides a method for the production by welding of a heat exchanger pipe starting with a round metallic pipe onto which external metallic fins are secured so as to be perpendicular to the axis of the pipe. Each metallic fin is produced in two halves in such a manner each fin has a coxial semicircular recess or bay whose radius mateches the external diameter of the metallic pipe and on each side of such recess there are two side surfaces so that after mounting the fin halves on the pipe there is a small gap at the parting line between the two halves. After mounting the two fin halves on the metallic pipe the respectively radially outer and parts of the gap are spot welded together and on cooling down the fin the fins shrinkage at the weld spots causes the two fin halves to pressed on the pipe with their recess boundaries engaging the outer surface of the pipe.
    • 本发明提供了一种通过焊接从圆形金属管开始的热交换器管的制造方法,外部金属翅片固定在该金属管上,以便垂直于管的轴线。 每个金属翅片以这样的方式制造成两半,每个翅片具有半径半圆形的半圆形凹槽或隔间,其半径与金属管的外径相匹配,并且在这种凹槽的每侧具有两个侧表面,使得在安装翅片半部 在管道上,在两半之间的分隔线处有一个小间隙。 将两个翅片半部安装在金属管上后,分别径向外部和间隙的部分点焊在一起,并且在翅片上冷却时,在焊点处的翅片收缩导致两个半翅片以其凹口边界压在管道上 接合管的外表面。