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    Boiler and operating method of same
    2.
    发明授权
    Boiler and operating method of same 有权
    锅炉及其操作方法相同

    公开(公告)号：US09476588B2

    公开(公告)日：2016-10-25

    申请号：US13877522

    申请日：2011-10-21

    Applicant: Hirofumi Okazaki ,  Koji Kuramashi ,  Hideo Okimoto ,  Kenichi Ochi ,  Naoya Imooka ,  Pauli Dernjatin

    Inventor： Hirofumi Okazaki ,  Koji Kuramashi ,  Hideo Okimoto ,  Kenichi Ochi ,  Naoya Imooka ,  Pauli Dernjatin

    IPC: F23L7/00 ,  F23N3/00 ,  F23C9/00

    CPC classification number: F23L7/007 ,  F23C9/00 ,  F23C9/003 ,  F23L2900/07001 ,  F23L2900/07005 ,  F23L2900/07006 ,  F23N3/002 ,  F23N2021/12 ,  F23N2037/26 ,  Y02E20/322 ,  Y02E20/344

    Abstract: A boiler operating method operates a boiler by switching between air combustion mode and oxygen combustion mode when burning fossil fuel with first combustion gas and second combustion gas. The second combustion gas compensates for oxygen deficiency in the first combustion gas. The air combustion mode uses air as the first combustion gas and the second combustion gas while the oxygen combustion mode uses mixed gas of combustion flue gas and oxygen-rich gas as the first combustion gas and the second combustion gas, the combustion flue gas being produced when the fossil fuel is burned. By mixing the oxygen-rich gas in the air in the process of switching between air combustion mode and oxygen combustion mode, the air being the first combustion gas used in the air combustion mode, the boiler operating method can switch between the air combustion mode and oxygen combustion mode while maintaining stable combustion.

    Abstract translation: 锅炉操作方法通过在用第一燃烧气体和第二燃烧气体燃烧化石燃料时，在空气燃烧模式和氧气燃烧模式之间切换来操作锅炉。 第二燃烧气体补偿第一燃烧气体中的氧缺乏。 空气燃烧模式使用空气作为第一燃烧气体和第二燃烧气体，而氧气燃烧模式使用燃烧烟道气和富氧气体的混合气体作为第一燃烧气体和第二燃烧气体，生成燃烧烟道气 当化石燃料燃烧时。 通过在空气燃烧模式和氧气燃烧模式之间切换过程中将富氧气体混合在空气中，作为在空气燃烧模式中使用的第一燃烧气体的空气，锅炉操作方法可以在空气燃烧模式和 氧燃烧模式，同时保持燃烧稳定。

    BOILER AND OPERATING METHOD OF SAME
    3.
    发明申请
    BOILER AND OPERATING METHOD OF SAME 有权
    锅炉及其操作方法

    公开(公告)号：US20130273481A1

    公开(公告)日：2013-10-17

    申请号：US13877522

    申请日：2011-10-21

    Applicant: Hirofumi Okazaki ,  Koji Kuramashi ,  Hideo Okimoto ,  Kenichi Ochi ,  Naoya Imooka ,  Pauli Dernjatin

    Inventor： Hirofumi Okazaki ,  Koji Kuramashi ,  Hideo Okimoto ,  Kenichi Ochi ,  Naoya Imooka ,  Pauli Dernjatin

    IPC: F23L7/00 ,  F23C9/00

    CPC classification number: F23L7/007 ,  F23C9/00 ,  F23C9/003 ,  F23L2900/07001 ,  F23L2900/07005 ,  F23L2900/07006 ,  F23N3/002 ,  F23N2021/12 ,  F23N2037/26 ,  Y02E20/322 ,  Y02E20/344

    Abstract: A boiler operating method operates a boiler by switching between air combustion mode and oxygen combustion mode when burning fossil fuel with first combustion gas and second combustion gas. The second combustion gas compensates for oxygen deficiency in the first combustion gas. The air combustion mode uses air as the first combustion gas and the second combustion gas while the oxygen combustion mode uses mixed gas of combustion flue gas and oxygen-rich gas as the first combustion gas and the second combustion gas, the combustion flue gas being produced when the fossil fuel is burned. By mixing the oxygen-rich gas in the air in the process of switching between air combustion mode and oxygen combustion mode, the air being the first combustion gas used in the air combustion mode, the boiler operating method can switch between the air combustion mode and oxygen combustion mode while maintaining stable combustion.

    Abstract translation: 锅炉操作方法通过在用第一燃烧气体和第二燃烧气体燃烧化石燃料时，在空气燃烧模式和氧气燃烧模式之间切换来操作锅炉。 第二燃烧气体补偿第一燃烧气体中的氧缺乏。 空气燃烧模式使用空气作为第一燃烧气体和第二燃烧气体，而氧气燃烧模式使用燃烧烟道气和富氧气体的混合气体作为第一燃烧气体和第二燃烧气体，生成燃烧烟道气 当化石燃料燃烧时。 通过在空气燃烧模式和氧气燃烧模式之间切换过程中将富氧气体混合在空气中，作为在空气燃烧模式中使用的第一燃烧气体的空气，锅炉操作方法可以在空气燃烧模式和 氧燃烧模式，同时保持燃烧稳定。

    Control system for oxygen enriched air burner
    6.
    发明授权
    Control system for oxygen enriched air burner 失效
    富氧空气燃烧器控制系统

    公开(公告)号：US4547150A

    公开(公告)日：1985-10-15

    申请号：US608722

    申请日：1984-05-10

    Applicant: Frank J. Vereecke

    Inventor： Frank J. Vereecke

    IPC: F23N1/02

    CPC classification number: F23L7/007 ,  F23N1/022 ,  F23N2025/16 ,  F23N2033/06 ,  F23N2035/06 ,  F23N2037/26 ,  Y02E20/344

    Abstract: A combustion controller (C) controls the relative rates at which a combustion component source (B) supplies fuel, air, and oxygen to nozzles (A). A fuel source (30) supplies fuel to the burners at a rate (50 in FIG. 2) which is appropriate to produce a desired amount of heat. A blower (32) supplies air at a fixed rate (52b) and an oxygen source supplies oxygen gas at a rate (54) in proportion to the fuel supply rate such that stoichiometrically balanced combustion is maintained. To decrease the combustion rate, the air supply rate remains constant (52b) as the fuel and oxygen rich gas supply rates are decreased. After the oxygen rich gas supply rate reaches zero, the combustion rate is further reduced by decreasing the fuel supply rate and the air supply rate (52a) in stoichiometric proportion. In this manner, a relatively high nozzle velocity is maintained over a wide range of combustion rates.

    Abstract translation: 燃烧控制器（C）控制燃烧成分源（B）向喷嘴（A）供应燃料，空气和氧气的相对速率。 燃料源（30）以适于产生所需热量的速率（图2中的50）向燃烧器供应燃料。 鼓风机（32）以固定速率（52b）供给空气，氧源以与燃料供给速率成比例的速率（54）供给氧气，从而保持化学计量平衡的燃烧。 为了降低燃烧速率，随着燃料和富氧气体供应速率的降低，供气速率保持恒定（52b）。 在富氧气体供应量达到零之后，通过以化学计量比例降低燃料供给速率和供气速率（52a）来进一步降低燃烧速率。 以这种方式，在宽的燃烧速率范围内保持相对较高的喷嘴速度。

    BURNER COMBUSTION METHOD
    8.
    发明申请
    BURNER COMBUSTION METHOD 有权
    燃烧器燃烧方法

    公开(公告)号：US20130309617A1

    公开(公告)日：2013-11-21

    申请号：US13980770

    申请日：2012-01-20

    Applicant: Tomoyuki Haneji ,  Kimio Iino ,  Yasuyuki Yamamoto ,  Yoshiyuki Hagihara

    Inventor： Tomoyuki Haneji ,  Kimio Iino ,  Yasuyuki Yamamoto ,  Yoshiyuki Hagihara

    IPC: F23N1/02 ,  F23N3/00 ,  F23D14/32

    CPC classification number: F23N1/02 ,  F23C6/045 ,  F23C7/02 ,  F23C99/00 ,  F23C2205/10 ,  F23C2205/20 ,  F23D14/22 ,  F23D14/32 ,  F23L9/00 ,  F23N3/002 ,  F23N2037/26 ,  Y02E20/344

    Abstract: The present invention provides a burner combustion method for supplying and combusting an oxidant stream and a fuel stream, wherein the oxidant stream is composed of a primary oxidant stream jetted from around the periphery of the fuel stream or from a position near the fuel stream, and a plurality of secondary oxidant streams, and by periodically changing the flow rate of at least one of the primary oxidant stream and the plurality of secondary oxidant streams, and also causing a periodic change in the oxygen concentration within the oxidant stream, causing a periodic change in the oxygen ratio which is calculated by dividing the supplied amount of oxygen, supplied by the oxidant stream, by the theoretically required amount of oxygen, and providing a difference between the periodic changes in the oxygen concentration and the oxygen ratio, the combustion state adopts a periodic oscillating state.

    Abstract translation: 本发明提供了一种用于供应和燃烧氧化剂流和燃料流的燃烧器燃烧方法，其中所述氧化剂流由从燃料流的周围或靠近燃料流的位置喷射的主要氧化剂流组成，以及 多个次级氧化剂流，并且通过周期性地改变主氧化剂流和多个次级氧化剂流中的至少一种的流速，并且还引起氧化剂流内的氧浓度的周期性变化，引起周期性变化 在通过将由氧化剂流供给的供给量除以理论上所需量的氧而计算的氧比，并且提供氧浓度和氧气比的周期性变化之间的差异，燃烧状态采用 周期振荡状态。

    METHOD AND ARRANGEMENT FOR OPTIMISING COMBUSTION CONDITIONS IN A FLUIDISED-BED BOILER
    9.
    发明申请
    METHOD AND ARRANGEMENT FOR OPTIMISING COMBUSTION CONDITIONS IN A FLUIDISED-BED BOILER 有权
    流化床锅炉优化燃烧条件的方法和装置

    公开(公告)号：US20120148961A1

    公开(公告)日：2012-06-14

    申请号：US13390881

    申请日：2010-08-09

    Applicant: Mikko Varonen ,  Tero Luomaharju

    Inventor： Mikko Varonen ,  Tero Luomaharju

    IPC: F23J7/00

    CPC classification number: F23C10/10 ,  F23C6/045 ,  F23C10/20 ,  F23C10/28 ,  F23C2201/101 ,  F23L7/007 ,  F23L9/02 ,  F23L9/04 ,  F23L2900/07001 ,  F23L2900/07007 ,  F23N2037/18 ,  F23N2037/26 ,  Y02E20/322 ,  Y02E20/344

    Abstract: A method and an arrangement for optimising combustion conditions in a fluidised-bed boiler, in which combustion gas is fed at two or more height levels, the first of which is a primary level (P) which is located at the height of a furnace bottom and the second is a secondary level (S) which is located above fuel feed height (F), above which secondary level (S) there can be still other combustion gas feed levels (T, . . . ). At least one combustion gas feed level (P, S, T, . . . ) is fed at different points of the furnace (11) in its horizontal direction with combustion gases having different oxygen contents such that zones of different oxygen content can be formed in the horizontal direction of the furnace (11).

    Abstract translation: 一种用于优化流化床锅炉中的燃烧条件的方法和装置，其中燃烧气体以两个或更多个高度水平进给，其中第一个是主要水平（P），其位于炉底的高度 第二是位于燃料供给高度（F）之上的次级（S），高于该次级（S）可以是其他燃烧气体供给水平（T ...）。 至少一个燃烧气体供给水平（P，S，T ...）在炉子（11）的不同点处沿其水平方向与具有不同氧含量的燃烧气体一起进料，使得可以形成不同氧含量的区域 在炉（11）的水平方向上。

    COMBUSTION SYSTEM OF A STEAM GENERATOR DESIGNED FOR OXYFUEL OPERATION
    10.
    发明申请
    COMBUSTION SYSTEM OF A STEAM GENERATOR DESIGNED FOR OXYFUEL OPERATION 审中-公开
    用于氧气操作的蒸汽发生器的燃烧系统

    公开(公告)号：US20120115094A1

    公开(公告)日：2012-05-10

    申请号：US13259792

    申请日：2010-03-25

    Applicant: Christian Bergins ,  Jürgen Niesbach ,  Alfred Gwosdz

    Inventor： Christian Bergins ,  Jürgen Niesbach ,  Alfred Gwosdz

    IPC: F23N1/02 ,  F23C9/00 ,  F23C5/00 ,  F23L7/00 ,  F23D1/00

    CPC classification number: F23L7/007 ,  F23C2202/30 ,  F23L2900/07001 ,  F23L2900/07006 ,  F23L2900/07007 ,  F23N3/002 ,  F23N2037/02 ,  F23N2037/26 ,  F23N2041/10 ,  Y02E20/322 ,  Y02E20/344

    Abstract: For a steam generator comprising a combustion chamber fired with a fossil fuel and/or with particulate fuel containing carbon and at least one burner level comprising several burners (1) and/or at least one level comprising nozzles in the form of upper air nozzles and/or side wall nozzles, each having connected feed means (9, 10, 11, 12) and/or feed lines (2, 4, 5, 9a-9d, 10a-10d, 11a-11d, 12a-12d) through which/by means of which gas flows conveying combustion and/or oxidation oxygen can be fed to burners (1) and/or the nozzles (13) and/or the combustion chamber, a solution should be created by means of which undesired oxygen contents in the flue gas can be avoided during oxyfuel operation of the steam generator in the partial-load range. This is achieved in that the feed means (9, 10, 11, 12) and/or the feed lines (2, 2a-2d, 4, 5, 9a-9d, 10a-10d, 11a-11d, 12a-12d) are designed in such a way that at least one burner (1) or some of the burners (1) independently of the other burners (1) and/or a nozzle (13) or some of the nozzles (13) independently of the other nozzles (13) can be exposed to a gas flow providing the desired oxygen content or the desired oxygen concentration and/or the desired oxygen mass flow.

    Abstract translation: 对于蒸汽发生器，其包括用化石燃料和/或含有碳的颗粒燃料燃烧的燃烧室和至少一个包含多个燃烧器（1）的燃烧器级和/或至少一个级别，包括上部空气喷嘴形式的喷嘴和 /或侧壁喷嘴，每个具有连接的进料装置（9,10,11,12）和/或进料管线（2,4,5,9a-9d，10a-10d，11a-11d，12a-12d），通过该进料装置 输送燃烧和/或氧化氧气的气体可以通过这些气体供给到燃烧器（1）和/或喷嘴（13）和/或燃烧室，应当通过其产生不希望的氧含量 在部分负荷范围内的蒸汽发生器的氧燃料运行期间可以避免烟气。 这是通过馈送装置（9,10,11,12）和/或馈线（2,2a-2d,4,5,9a-9d，10a-10d，11a-11d，12a-12d）实现的， 被设计成使得独立于其他燃烧器（1）和/或喷嘴（13）或一些喷嘴（13）中的至少一个燃烧器（1）或一些燃烧器（1）独立于另一燃烧器 喷嘴（13）可以暴露于提供所需氧含量或所需氧浓度和/或所需氧质量流量的气流。

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