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    • 3. 发明专利
      DE69103606D1  未知
    • DE69103606D1
    • 1994-09-29
    • DE69103606
    • 1991-10-09
    • LARINOFF MICHAEL WILLIAM
    • LARINOFF MICHAEL WILLIAM
    • F28B1/06 , F28B9/00 , F28B9/10
    • For multi-cell, mechanical draft, vacuum steam condensers, a noncondensible gas removal system that isolates bundles and fan cells from external/internal influences and gas/vapor interchange and allows bundles to operate in a reverse air-flow direction, all of which promotes freeze protection and improved performance. The system is isolated into single fan cells (62) for the removal and discharge of its non-condensable gas/vapors, each fan cell having a fan (60) and a predetermined number of steam condensing bundles (40, 42, etc) which includes a front header (258), finned tubes (252) and rear header means (6, 18, 254, etc) whose gas/vapors are extracted and isolated from all other fan cells by a vacuum-producing ejector means (58, 59, 210, etc) directly coupled to the rear header means by pipe and manifold means (34, 36, 52) all located and installed within the confines of the fan cell they serve. Orifice-type restrictions means are installed for the mass flow control of gas/vapors leaving the rear headers and entering the steam ejector and for the isolation of the bundles and tube rows from gas/vapor interchange. The fan (60) for each cell forces ambient air flow across the finned tubes to thereby condense the steam inside the tubes, and may include means to reverse the direction of the air flow through the bundle by reversing the direction of the fan rotation or by changing the fan blade pitch. The orifice restriction means may be manually or automatically changeable to allow the bundles to operate in reverse direction ambient air flow. One restriction means (136, 138, 140, 142) may serve one rear header or all the rear headers in the fan cell that are of the same tube row number. The restriction means are different size orifice holes to accomodate different steam pressures and different flow rates, and may comprise parallel-connected and/or series-connected orifices.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 5. 发明专利
      DE69103606T2  未知
    • DE69103606T2
    • 1995-04-13
    • DE69103606
    • 1991-10-09
    • LARINOFF MICHAEL WILLIAM
    • LARINOFF MICHAEL WILLIAM
    • F28B1/06 , F28B9/00 , F28B9/10
    • For multi-cell, mechanical draft, vacuum steam condensers, a noncondensible gas removal system that isolates bundles and fan cells from external/internal influences and gas/vapor interchange and allows bundles to operate in a reverse air-flow direction, all of which promotes freeze protection and improved performance. The system is isolated into single fan cells (62) for the removal and discharge of its non-condensable gas/vapors, each fan cell having a fan (60) and a predetermined number of steam condensing bundles (40, 42, etc) which includes a front header (258), finned tubes (252) and rear header means (6, 18, 254, etc) whose gas/vapors are extracted and isolated from all other fan cells by a vacuum-producing ejector means (58, 59, 210, etc) directly coupled to the rear header means by pipe and manifold means (34, 36, 52) all located and installed within the confines of the fan cell they serve. Orifice-type restrictions means are installed for the mass flow control of gas/vapors leaving the rear headers and entering the steam ejector and for the isolation of the bundles and tube rows from gas/vapor interchange. The fan (60) for each cell forces ambient air flow across the finned tubes to thereby condense the steam inside the tubes, and may include means to reverse the direction of the air flow through the bundle by reversing the direction of the fan rotation or by changing the fan blade pitch. The orifice restriction means may be manually or automatically changeable to allow the bundles to operate in reverse direction ambient air flow. One restriction means (136, 138, 140, 142) may serve one rear header or all the rear headers in the fan cell that are of the same tube row number. The restriction means are different size orifice holes to accomodate different steam pressures and different flow rates, and may comprise parallel-connected and/or series-connected orifices.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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