Boiler scale collecting device before steam turbine
    1.
    发明授权
    Boiler scale collecting device before steam turbine 失效
    蒸汽轮机前的锅炉秤收集装置

    公开(公告)号:US06237341B1

    公开(公告)日:2001-05-29

    申请号:US09354564

    申请日:1999-07-16

    IPC分类号: F01K1302

    CPC分类号: F01K21/06 F01D25/007

    摘要: A boiler scale collecting device enables collecting and recovery of most boiler scale particulates (p) in a steam flow line (f) in a steam pipe (02) extending from a power generation steam boiler to an inlet (01′) of a power generation steam turbine (01). The steam pipe (02), of constant inner diameter (d), extends from the boiler side to the inlet (01′) of the steam turbine (01), and turns at direction turning portion (e) from a vertical steam pipe (02′) to a lateral steam pipe (02″) near the inlet (01″) of the steam turbine (01). The vertical steam pipe (02′) is elongated beyond the direction turning portion (e) to form an elongated portion (02′a) having a lower end (02″a). The direction turning portion (e), including the vertical steam pipe (02′) and the lateral steam pipe (02″), and the elongated portion (02′a) are made in an integral unit of forged steel.

    摘要翻译: 锅炉秤收集装置能够在从发电蒸汽锅炉延伸到发电的入口(01')的蒸汽管(02)中的蒸汽流线(f)中收集和回收大多数锅炉规模微粒(p) 蒸汽轮机(01)。 恒定内径(d)的蒸汽管(02)从锅炉侧延伸到蒸汽轮机(01)的入口(01'),并且在方向转向部分(e)从垂直蒸汽管( 02')连接到蒸汽轮机(01)的入口(01“)附近的侧蒸汽管(02”)。 垂直蒸汽管(02')延伸超过方向转动部分(e),以形成具有下端(02'a)的细长部分(02'a)。 包括垂直蒸汽管(02')和侧蒸汽管(02“)的方向转向部分(e)和细长部分(02'a)制成锻造钢的整体单元。

    Headbox for a papermaking machine with distribution tubes
    2.
    发明授权
    Headbox for a papermaking machine with distribution tubes 失效
    配有分配管的造纸机的流浆箱

    公开(公告)号:US5147509A

    公开(公告)日:1992-09-15

    申请号:US543881

    申请日:1990-06-25

    IPC分类号: D21F1/02

    CPC分类号: D21F1/024 D21F1/02 D21F1/026

    摘要: A headbox apparatus is disclosed for ejecting stock onto a forming wire of a papermaking machine. The apparatus includes a header for the flow therethrough of the stock. The header finds an inlet and an outlet, the outlet having an upstream and a downstream end. The header is tapered in a cross-machine direction from the upstream end towards the downstream end such that the flow of stock through the outlet remains substantially constant from the upstream to the downstream end. A distributor is disposed immediately downstream relative to the outlet and in fluid communication therewith. The distributor includes a plurality of distributor tubes which are disposed parallel relative to each other. Each of the tubes has an upstream extremity such that the stock flows from the outlet through each of the upstream extremities. Each of the extremities defines an upstream edge and a downstream edge such that for each tube, the upstream edge is nearer than the downstream edge to the upstream end of the outlet. The upstream edges only of the tubes are rounded such that the generation of eddies within the tubes is inhibited.

    摘要翻译: 公开了一种用于将原料喷射到造纸机的成形网上的流浆箱装置。 该装置包括用于流过其中的原料的集管。 头部找到入口和出口,出口具有上游和下游端。 集管在从上游端到下游端的跨机器方向上逐渐变细,使得通过出口的原料流从上游到下游端保持基本恒定。 分配器相对于出口紧邻下游设置并与其流体连通。 分配器包括彼此平行设置的多个分配器管。 每个管具有上游末端,使得原料从出口流过每个上游末端。 每个末端限定上游边缘和下游边缘,使得对于每个管,上游边缘比出口的上游端的下游边缘更近。 管的上游边缘是圆形的,使得管内的涡流的产生被抑制。

    Pulverized fuel combustion burner having a flame maintaining plate at a
tip end portion of a pulverized fuel conduit
    3.
    发明授权
    Pulverized fuel combustion burner having a flame maintaining plate at a tip end portion of a pulverized fuel conduit 失效
    粉碎燃料燃烧器,其在粉碎的燃料管道的末端部分具有火焰保持板

    公开(公告)号:US5829367A

    公开(公告)日:1998-11-03

    申请号:US899662

    申请日:1997-07-24

    IPC分类号: F23D1/00 F23K3/02

    摘要: A burner for combustion of a pulverized coal mixture having two kinds of rich and lean concentration has a height of a burner panel reduced and the overall burner simplified. A rich/lean separator (10, 20, 30) is provided within a pulverized coal conduit (2) so that a high concentration mixture is formed in an outer peripheral portion and a low concentration mixture is formed in a central portion within a single pulverized coal conduit. Thus, a rich mixture burner and a lean mixture burner, which have been conventionally provided separately, may be formed into a single burner. Recirculation of air is accelerated by a cutaway slit (20d, 30d) provided in a central portion of the rich/lean separator to make the air flow rate distribution uniform in a pulverized coal nozzle. Also, a duct and an air blow box for the combustion air to be supplied to the pulverized coal flame are not integrally formed continuous in the height direction, but are divided into a plurality of discontinuous units.

    摘要翻译: 用于燃烧具有两种浓缩和浓缩浓度的粉煤混合物的燃烧器具有减少燃烧器面板的高度并且整体燃烧器简化。 在粉煤导管(2)内设置富/稀分离器(10,20,30),使得在外周部分中形成高浓度混合物,并且在单个粉碎的管道(2)内的中心部分中形成低浓度混合物 煤管。 因此,通常单独提供的富混合燃烧器和贫混合燃烧器可以形成为单个燃烧器。 通过设置在富/稀分离器的中心部分的切口狭缝(20d,30d)加速空气的再循环,以使粉煤喷嘴中的空气流速分布均匀。 此外,用于供给到粉煤火焰的燃烧空气的管道和吹风箱在高度方向上不是一体形成的,而是分成多个不连续单元。

    Pulverized fuel rich/lean separator for a pulverized fuel burner
    4.
    发明授权
    Pulverized fuel rich/lean separator for a pulverized fuel burner 失效
    用于粉碎燃料燃烧器的粉碎的富燃料/稀薄分离器

    公开(公告)号:US6053118A

    公开(公告)日:2000-04-25

    申请号:US867907

    申请日:1997-06-03

    IPC分类号: F23D1/00 F23C1/10

    摘要: A pulverized fuel combustion burner includes a pulverized fuel and air mixture conduit. A pulverized fuel rich/lean separator is disposed at the axial center of the conduit so that a high concentration mixture is formed at an outer peripheral portion of the conduit and a low concentration mixture is formed at a central portion of the conduit. The pulverized fuel rich/lean separator has a cross-sectional shape which gradually enlarges in the flow direction at an angle to the flow direction. It becomes parallel to the flow direction downstream of the enlarging portion, and terminates in a flat surface that is perpendicular to the axis of the separator. A passage extends through the pulverized fuel rich/lean separator along the axis.

    摘要翻译: 粉碎燃料燃烧器包括粉碎的燃料和空气混合物导管。 粉碎的富燃料/稀薄分离器设置在导管的轴向中心处,使得在导管的外周部分处形成高浓度混合物,并且在导管的中心部分处形成低浓度混合物。 粉碎的富燃料/稀薄分离器具有在与流动方向成一定角度的流动方向上逐渐扩大的横截面形状。 它变得平行于扩大部分下游的流动方向,并且终止于垂直于分离器的轴线的平坦表面。 通道沿轴线延伸穿过粉碎的富燃料/稀薄分离器。

    Pulverized fuel combustion burner having rich/lean separator
    5.
    发明授权
    Pulverized fuel combustion burner having rich/lean separator 失效
    具有浓/稀分离器的粉煤燃烧器

    公开(公告)号:US5842426A

    公开(公告)日:1998-12-01

    申请号:US490559

    申请日:1995-06-15

    IPC分类号: F23D1/00 F23C1/00

    摘要: A burner for combustion of a pulverized coal mixture having two kinds of rich and lean concentration has, a height of a burner panel reduced and the overall burner simplified. A rich/lean separator (10, 20, 30) is provided within a pulverized coal conduit (2) so that a high concentration mixture is formed in an outer peripheral portion and a low concentration mixture is formed in a central portion within a single pulverized coal conduit. Thus, a rich mixture burner and a lean mixture burner, which have been conventionally provided separately, may be formed into a single burner. Recirculation of air is accelerated by a cutaway slit (20d, 30d) provided in a central portion of the rich/lean separator to make the air flow rate distribution uniform in a pulverized coal nozzle. Also, a duct and an air blow box for the combustion air to be supplied to the pulverized coal flame are not integrally formed continuous in the height direction, but are divided into a plurality of discontinuous units.

    摘要翻译: 用于燃烧具有两种浓缩和浓缩浓度的粉煤混合物的燃烧器具有减少的燃烧器面板的高度和整个燃烧器的简化。 在粉煤导管(2)内设置富/稀分离器(10,20,30),使得在外周部分中形成高浓度混合物,并且在单个粉碎的管道(2)内的中心部分中形成低浓度混合物 煤管。 因此,通常单独提供的富混合燃烧器和贫混合燃烧器可以形成为单个燃烧器。 通过设置在富/稀分离器的中心部分的切口狭缝(20d,30d)加速空气的再循环,以使粉煤喷嘴中的空气流速分布均匀。 此外,用于供给到粉煤火焰的燃烧空气的管道和吹风箱在高度方向上不是一体形成的,而是分成多个不连续单元。

    Method of returning geothermal gases to the underground
    6.
    发明授权
    Method of returning geothermal gases to the underground 失效
    将地热气体返回地下的方法

    公开(公告)号:US5022787A

    公开(公告)日:1991-06-11

    申请号:US418115

    申请日:1989-10-06

    CPC分类号: E21B41/0057 G21F9/24

    摘要: Disclosed is a method of returning geothermal gases discharged from geothermal plants to the underground together with waste water through a return well, characterized in that the apparent velocity of waste water V.sub.eo relative to the return well is equal to or more than 1 m/s and the range of the apparent velocity of waste water V.sub.eo and of an apparent velocity of the geothermal gases V.sub.go is regulated to satisfy the following equation:V.sub.go

    摘要翻译: 公开了一种通过回流井将地热厂排放的地热气体与废水一起返回地下室的方法,其特征在于废水Veo相对于回流井的表观速度等于或大于1m / s, 废水Veo的表观速度范围和地热气体Vgo的表观速度的范围被调节以满足以下等式:Vgo <1.33Veo-0.41。