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    Method and system for the disposal of coal preparation plant waste coal through slurry co-firing in cyclone-fired boilers to effect a reduction in nitrogen oxide emissions
    101.
    发明授权
    Method and system for the disposal of coal preparation plant waste coal through slurry co-firing in cyclone-fired boilers to effect a reduction in nitrogen oxide emissions 有权
    通过在旋风式锅炉中通过浆料共烧处理煤制备废物的方法和系统，以减少氮氧化物排放

    公开(公告)号：US6152054A

    公开(公告)日：2000-11-28

    申请号：US410415

    申请日：1999-10-01

    Applicant: Robert A. Ashworth ,  W. Richard Carson ,  Todd A. Melick ,  Todd M. Sommer

    Inventor： Robert A. Ashworth ,  W. Richard Carson ,  Todd A. Melick ,  Todd M. Sommer

    IPC: F23C3/00 ,  F23C6/04 ,  F23D1/00 ,  F23B7/00 ,  F23D1/02

    CPC classification number: F23D1/005 ,  F23C3/008 ,  F23C6/047 ,  F23C2201/301

    Abstract: A method and system for the use of waste coal fines to reduce nitrogen oxides emissions from a coal-fired cyclone boiler. A coal water slurry including waste coal fines is injected as a co-firing fuel into a cyclone barrel of the cyclone boiler to partially oxidize the coal water slurry in a central portion of the cyclone barrel where injected. This produces a reducing zone having reducing gas species that convert nitrogen oxides to diatomic nitrogen. The coal water slurry can alternatively be injected into the cyclone barrel from a secondary combustion air conduit. The evaporation of the water from the coal water slurry reduces the overall combustion temperature in the cyclone barrel, further reducing the production of nitrogen oxides.

    Abstract translation: 一种使用废煤粉减少燃煤旋风锅炉的氮氧化物排放的方法和系统。 将含有废煤粉末的煤水浆料作为共燃燃料注入到旋风锅炉的旋风筒中，以部分地氧化注入的旋风筒的中心部分的水煤浆。 这产生具有将氮氧化物转化为双原子氮的还原气体种类的还原区。 替代地，煤水浆可以从二次燃烧空气管道注入到旋风筒中。 来自煤水浆料的水的蒸发降低了旋风筒中的总体燃烧温度，进一步降低了氮氧化物的产生。

    Method and system for reducing nitrogen oxide and sulfur oxide emissions from carbonaceous fuel combustion flue gases
    102.
    发明授权
    Method and system for reducing nitrogen oxide and sulfur oxide emissions from carbonaceous fuel combustion flue gases 失效
    从碳质燃料燃烧烟气中还原氮氧化物和硫氧化物排放的方法和系统

    公开(公告)号：US5967061A

    公开(公告)日：1999-10-19

    申请号：US783170

    申请日：1997-01-14

    Applicant: Robert A. Ashworth ,  Donald K. Morrison ,  Roy Payne

    Inventor： Robert A. Ashworth ,  Donald K. Morrison ,  Roy Payne

    IPC: B01D53/56 ,  B01D53/80 ,  F23C6/04 ,  F23D1/00 ,  F23J15/00

    CPC classification number: B01D53/80 ,  B01D53/56 ,  F23C6/047 ,  F23D1/005 ,  F23C2201/101 ,  F23C2201/301 ,  F23J2215/10

    Abstract: A method and system is provided for the reduction of nitrogen and sulfur oxides emissions from carbonaceous fuel combustion flue gases. The method includes the injection of coal water slurry as a reburn fuel into furnace flue gases to partially oxidize the coal water slurry thereby producing reducing gas species in a reburn zone that convert flue gas nitrogen oxides to diatomic nitrogen. Optionally, sulfur oxides may also be removed from the flue gas by adding alkali compounds to the coal water slurry before injecting the slurry into the furnace, or by injecting the alkali compounds separately into the reducing reburn zone in the furnace created by the partial oxidation of the coal water slurry reburn fuel. The alkali compounds react with the sulfur species to produce alkali sulfite and sulfate particulate solids, which can be removed in a downstream particulate removal device such as an electrostatic precipitator or bag house.

    Abstract translation: 提供了一种方法和系统，用于减少含碳燃料燃烧烟道气中的氮氧化物和硫氧化物的排放。 该方法包括将煤水浆料作为再燃燃料注入炉内烟气中以部分氧化煤水浆料，从而在再沸区中产生将烟气氮氧化物转化为双原子氮的还原气体物质。 任选地，硫氧化物也可以通过在将浆料注入炉内之前向煤水浆中加入碱性化合物，或者将碱性化合物分别注入到通过部分氧化产生的炉中的还原再沸区中 煤水泥浆再燃燃料。 碱性化合物与硫物质反应以产生碱性亚硫酸盐和硫酸盐颗粒固体，其可以在下游微粒去除装置如静电除尘器或袋式室中除去。

    Apparatus and process for control of nitric oxide emissions from combustion devices using vortex rings and the like
    104.
    发明授权
    Apparatus and process for control of nitric oxide emissions from combustion devices using vortex rings and the like 失效
    用于控制使用涡环等的燃烧装置的一氧化氮排放的装置和方法

    公开(公告)号：US5181475A

    公开(公告)日：1993-01-26

    申请号：US829430

    申请日：1992-02-03

    Applicant: Bernard P. Breen ,  James E. Gabrielson

    Inventor： Bernard P. Breen ,  James E. Gabrielson

    IPC: F23C1/00 ,  F23C6/04

    CPC classification number: F23C6/047 ,  F23C1/00 ,  F23C2201/101 ,  F23C2201/301

    Abstract: An apparatus and method for reducing nitrogen oxide emissions from the products of combustion is provided in which a vortex generator introduces natural gas, or other fluid fuel into the upper portion of a combustion device. The fuel introduced forms vortices, such as vortex rings, and the fuel reacts with the nitrogen oxide in the combustion products to form ammonia-like compounds, hydrogen cyanide and similar compounds, and nitrogen. The ammonia and cyanide-like fragments react with additional amounts of nitrogen oxide in the combustion products to form nitrogen gas, water vapor and carbon dioxide. The vortex rings can be controlled and will maintain their integrity longer than puffs or simple jets of fuel.

    Abstract translation: 提供一种用于减少来自燃烧产物的氮氧化物排放的装置和方法，其中涡流发生器将天然气或其它流体燃料引入燃烧装置的上部。 引入的燃料形成漩涡，例如涡环，燃料与燃烧产物中的氮氧化物反应形成氨类化合物，氰化氢和类似化合物以及氮气。 氨和氰化物样碎片与燃烧产物中的额外量的氮氧化物反应以形成氮气，水蒸气和二氧化碳。 涡流环可以被控制，并且将保持它们的完整性比抽吸或简单的燃料喷射更长。

    Process for reducing nitric oxide emission during the combustion of solid fuels
    105.
    发明授权
    Process for reducing nitric oxide emission during the combustion of solid fuels 失效
    在固体燃料燃烧期间减少氮氧化物排放的方法

    公开(公告)号：US5131335A

    公开(公告)日：1992-07-21

    申请号：US752464

    申请日：1991-08-26

    Applicant: Heinz Spliethoff ,  Hartmut Spliethoff

    Inventor： Heinz Spliethoff ,  Hartmut Spliethoff

    IPC: F23C99/00 ,  F23C6/04 ,  F23J7/00

    CPC classification number: F23C6/047 ,  F23J7/00 ,  F23C2201/101 ,  F23C2201/301

    Abstract: In a process for reducing the nitric oxide emission during the combustion of solid fuels, the flue gases leaving from a main combustion zone (2) consecutively flow through two reduction zones (6,9). The first reduction zone (6) is operated hypostoichiometrically at temperatures above 1,000.degree. C. and while adding a reducing fuel, while the second reduction zone (9) is operated hyperstoichiometrically at temperatures from 950.degree. C. to 1,000.degree. C. and in the presence of nitric oxide-reducing substances.

    Abstract translation: PCT No.PCT / DE90 / 00985 Sec。 371日期1991年8月26日 102（e）日期1991年8月26日PCT 1990年12月21日PCT PCT。 WO91 / 10097 PCT出版物 日期：1991年7月11日。在固体燃料燃烧期间减少一氧化氮排放的方法中，从主燃烧区（2）离开的烟道气连续流过两个还原区（6,9）。 第一还原区（6）在高于1000℃的温度下进行低等值化学操作，同时加入还原燃料，而第二还原区（9）在950℃至1000℃的温度下以超化学计量运行， 存在一氧化氮还原物质。

    Hybrid fluidized bed and pulverized coal combustion system and a process utilizing said system
    106.
    发明授权
    Hybrid fluidized bed and pulverized coal combustion system and a process utilizing said system 失效
    混合流化床和粉煤燃烧系统以及利用该系统的方法

    公开(公告)号：US4993332A

    公开(公告)日：1991-02-19

    申请号：US416312

    申请日：1989-09-13

    Applicant: Laszlo Boross ,  Sandor Kovacs ,  Karoly Remenyi ,  Pal Resch ,  Laszlo Voros ,  Ferenc Horvath ,  Tibor Gerlai

    Inventor： Laszlo Boross ,  Sandor Kovacs ,  Karoly Remenyi ,  Pal Resch ,  Laszlo Voros ,  Ferenc Horvath ,  Tibor Gerlai

    IPC: F23C10/10 ,  A01N29/08 ,  A01N33/22 ,  A01N57/02 ,  F23C1/00 ,  F23C1/06 ,  F23C6/04 ,  F23C10/00 ,  F23K1/00 ,  F23K3/00

    CPC classification number: F23C1/00 ,  F23C10/002 ,  F23C6/047 ,  F23K1/00 ,  F23C2201/101 ,  F23C2201/301

    Abstract: A hybrid combustion system is provided combining advantages of a fluidized bed combustion portion and a pulverized coal combustion portion. The former portion includes a fluidized bed chamber, a coal mill without an air separator, a recycling duct connected to the coal mill, a coal supply duct, and a spray feeder. The fluidized coal combustion portion includes a pulverizing coal mill with air separator, a blowing duct for blowing ground coal, at least one pulverized coal burner and an air recycling duct for recycling combustion air. Fluidized bed combustion takes place in a lower part of the system and pulverized coal combustion takes place above the fluidized bed combustion. Each of the portions may be independently operated of the other. A main combustion chamber is common to both the fluidized bed portion and the pulverized coal portion. A related process is also described.

    Abstract translation: PCT No.PCT / HU88 / 00070 Sec。 371日期：1989年9月13日 102（e）日期1989年9月13日PCT提交1988年10月27日PCT公布。 出版物WO89 / 04940 日期：1989年6月1日。提供了一种混合燃烧系统，其结合流化床燃烧部分和粉煤燃烧部分的优点。 前一部分包括流化床室，没有空气分离器的煤磨机，连接到煤磨机的回收管道，煤供应管道和喷射进料器。 流化煤燃烧部分包括具有空气分离器的粉煤磨机，用于吹入煤的吹风管，至少一个粉煤燃烧器和用于再循环燃烧空气的空气循环管道。 流化床燃烧发生在系统的下部，粉煤燃烧发生在流化床燃烧之上。 每个部分可以彼此独立地操作。 主燃烧室对于流化床部分和粉煤部分是共同的。 还描述了相关过程。

    Method of burning fuel with lowered nitrogen-oxides emission
    108.
    发明授权
    Method of burning fuel with lowered nitrogen-oxides emission 失效
    用降低的氮氧化物排放燃烧燃料的方法

    公开(公告)号：US4329932A

    公开(公告)日：1982-05-18

    申请号：US156092

    申请日：1980-06-03

    Applicant: Yasuro Takahashi ,  Masayasu Sakai

    Inventor： Yasuro Takahashi ,  Masayasu Sakai

    IPC: F23C99/00 ,  F23C6/04 ,  F23K3/02 ,  F23D1/00

    CPC classification number: F23C6/047 ,  F23K3/02 ,  F23C2201/301

    Abstract: A method of burning fuel with lowered emission of nitrogen oxides comprises feeding pulverized fuel to the main burner in a combustion furnace and additionally feeding pulverized fuel to the region of the furnace where the first fuel is about to conclude its combustion, using inert gas with or without a low oxygen content as a conveying fluid, while supplying oxygen or air to a region downstream of the region for fuel addition.

    Abstract translation: 一种燃烧氮氧化物排放量较低的燃料的方法包括将粉煤燃料送入燃烧炉中的主燃烧器，并另外将粉煤燃料送入第一燃料即将结束燃烧的炉区，使用惰性气体与 而没有低氧含量作为输送流体，同时向该区域下游的区域供应氧气或空气用于燃料添加。

    High luminosity burner
    109.
    发明授权
    High luminosity burner 失效
    高亮度燃烧器

    公开(公告)号：US3656878A

    公开(公告)日：1972-04-18

    申请号：US3656878D

    申请日：1970-03-26

    Applicant: EXXON RESEARCH ENGINEERING CO

    Inventor： WRIGHT FRANKLIN J

    IPC: F23C6/04 ,  F23M3/04

    CPC classification number: F23C6/047 ,  F23C2201/301

    Abstract: A method and apparatus for burning, at increased luminosity intensities. A fuel such as natural gas whose combustion is normally characterized by a low luminosity flame. A first hydrocarbon fuel which may include a fixed amount of a free radical promoter is burned in a diffusion flame. The products of this combustion, which include soot particles, are burned along with a second fuel such as natural gas. The flame produced in this secondary combustion has a luminosity greater than that produced by the combustion of said second fuel in a single-stage burner.

    Abstract translation: 在增加的光度强度下燃烧的方法和装置。 一种诸如天然气的燃料，其燃烧通常以低亮度火焰为特征。 可以在扩散火焰中燃烧可以包含固定量的自由基促进剂的第一烃燃料。 包括烟灰颗粒在内的这种燃烧的产物与诸如天然气的第二种燃料一起燃烧。 在该次级燃烧中产生的火焰的亮度大于单级燃烧器中所述第二燃料的燃烧产生的火焰。

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