Process for combustion in an industrial furnace
    1.
    发明授权
    Process for combustion in an industrial furnace 失效
    在工业炉中燃烧的过程

    公开(公告)号:US5522721A

    公开(公告)日:1996-06-04

    申请号:US332143

    申请日:1994-10-31

    IPC分类号: F23C5/00 F23C11/04

    摘要: A process for combustion in an industrial furnace (1), using at least one burner (2; 3) supplied with combustible (4) and combustion supporting (5) fluids. The flow rate of at least one of the fluids is pulsed at a frequency comprised between 0.1 and 3 Hz. There is provided in the furnace (1) at least one pair of two burners (2A, 2B; 3A, 3B) disposed substantially confronting each other; and the fluid of the burners of a pair is pulsed in offset phase from one burner to the other. The frequency of pulsation is between 0.1 and 1 Hz. The flow rates of fluids are substantially identical for each burner (2A, 2B; 3A, 3B) of the pair. The power of the pair of burners is greater than 300 KW.

    摘要翻译: 使用至少一个供应有可燃物(4)和燃烧支持(5)流体的燃烧器(2; 3)在工业炉(1)中燃烧的方法。 至少一种流体的流速以0.1和3Hz之间的频率脉冲。 在炉(1)中设置有基本上彼此面对设置的至少一对两个燃烧器(2A,2B; 3A,3B); 并且一对燃烧器的流体以一个燃烧器相互偏移的相位脉冲。 脉动频率在0.1Hz和1Hz之间。 对于每对燃烧器(2A,2B; 3A,3B),流体的流速基本相同。 一对燃烧器的功率大于300KW。

    Oxy-fuel combustion firing configurations and methods
    4.
    发明授权
    Oxy-fuel combustion firing configurations and methods 失效
    氧燃燃烧燃烧配置及方法

    公开(公告)号:US06398547B1

    公开(公告)日:2002-06-04

    申请号:US09542055

    申请日:2000-03-31

    IPC分类号: C21B912

    摘要: An oxy-combustion firing configuration, process, and apparatus can reduce the consumption of oxygen and fuel in an oxy-fuel combustion processes. Processes in accordance with the present invention include operation of an automated logic control device which controls an oscillating valve and controller. The valve and controller are used to oscillate the fuel and/or oxygen supplied to individual burners in a furnace. The oscillating parameters, such as frequency, amplitude, duty cycle, and phase difference between individual burners and their stoichiometry ratio are set to initiate preferable oxy-combustion in that furnace. Selective burner placement in the furnace enables the formation of deflagration zones which can provide very intense heating and complete combustion.

    摘要翻译: 氧燃烧焙烧构造,工艺和装置可以在氧燃料燃烧过程中减少氧气和燃料的消耗。 根据本发明的方法包括控制摆动阀和控制器的自动逻辑控制装置的操作。 阀和控制器用于振荡供应给炉中各个燃烧器的燃料和/或氧气。 设定各个燃烧器之间的振荡参数,如频率,振幅,占空比和相位差以及其化学计量比,以便在该炉中引发优选的氧气燃烧。 在炉中选择性燃烧器放置能够形成能够提供非常强烈的加热和完全燃烧的爆燃区。

    Method of retrofitting a furnace to provide oxygen enrichment
    5.
    发明授权
    Method of retrofitting a furnace to provide oxygen enrichment 失效
    改造炉子以提供富氧的方法

    公开(公告)号:US06276928B1

    公开(公告)日:2001-08-21

    申请号:US09572256

    申请日:2000-05-17

    IPC分类号: F27B322

    摘要: An oxygen enrichment system is provided which uses the existing air/fuel burners of a regenerative furnace to distribute additional oxygen to the burners for increased efficiency, and reduced nitrous oxide emissions. The centrally positioned cooling air lances in the burners of a regenerative furnace are modified to deliver oxygen when the burners are firing for oxygen enrichment. During the burmer firing cycle, oxygen is delivered from an oxygen supply through the oxygen lance to provide a central oxygen jet. The fuel is delivered concentrically around the oxygen jet. During the non-firing cycle of the burner, cooling air or other cooling fluid is delivered from the cooling air supply through the oxygen jet for cooling the offside of the furnace.

    摘要翻译: 提供了一种富氧系统,其使用现有的再生炉的空气/燃料燃烧器将额外的氧气分配给燃烧器以提高效率,并减少一氧化二氮排放。 当燃烧器进行氧浓缩时,在再生炉的燃烧器中的中心定位的冷却空气喷枪被修改以输送氧气。 在烧焦循环期间,氧气从氧气供应通过氧枪输送以提供中心氧气喷射。 燃料在氧气射流周围同心输送。 在燃烧器的非燃烧循环期间,冷却空气或其它冷却流体从冷却空气供应通过氧气射流输送,以冷却炉的越位。

    Process for partial oxidation of a gas stream containing hydrogen sulphide
    6.
    发明授权
    Process for partial oxidation of a gas stream containing hydrogen sulphide 失效
    含有硫化氢的气流的部分氧化方法

    公开(公告)号:US06328940B1

    公开(公告)日:2001-12-11

    申请号:US09504881

    申请日:2000-02-16

    IPC分类号: C01B1700

    CPC分类号: C01B17/046

    摘要: Process for partial oxidation in a Claus furnace of at least one gas stream having hydrogen sulphide, and including the steps of: (a) injecting at least one gas stream including hydrogen sulphide and at least one oxygen-enriched gas stream into the Claus furnace, wherein each of the streams is injected at a speed of injection which is substantially parallel, and (b) controlling the speed of injection of the gas stream including hydrogen sulphide and the speed of injection of the oxygen-enriched gas stream such that the speeds have a ratio between 0.8 and 1.2.

    摘要翻译: 在具有硫化氢的至少一种气流的克劳斯特炉中部分氧化的方法,包括以下步骤:(a)将至少一种包含硫化氢和至少一种富氧气流的气流注入到克劳斯炉中, 其中每个流以基本上平行的注射速度注入,和(b)控制包括硫化氢的气流的注射速度和富氧气流的注入速度,使得速度具有 比例介于0.8和1.2之间。

    Oxidant-driven dust recycling process and device for rotary kilns
    7.
    发明授权
    Oxidant-driven dust recycling process and device for rotary kilns 失效
    氧化剂驱动的粉尘回收过程和回转窑设备

    公开(公告)号:US06241514B1

    公开(公告)日:2001-06-05

    申请号:US09397002

    申请日:1999-09-15

    IPC分类号: F27B736

    CPC分类号: F27B7/362 F27B2007/3217

    摘要: A kiln adapted to recycle kiln dust includes a recycle dust pipe in fluid communication with an oxidant stream to increase the concentration of oxygen in the fluidized recycle dust before the recycle dust stream is directed into the kiln flame. Increasing the oxygen concentration in the recycle dust stream improves the efficiency of the recycling process. A supplemental fuel stream may be introduced into the recycle dust stream to provide an additional flame to preheat the recycle dust stream before the recycle dust stream is directed into the kiln flame.

    摘要翻译: 适于回收窑灰的窑炉包括与氧化剂流体流体连通的再循环粉尘管道,以在再循环粉尘流被引入窑火焰之前增加流化循环灰尘中的氧浓度。 提高循环粉尘流中的氧浓度提高了回收过程的效率。 可以将补充的燃料流引入再循环粉尘流中,以在再循环粉尘流被引入窑火焰之前提供额外的火焰以预热再循环粉尘流。

    Combustion process for burning a fuel
    8.
    发明授权
    Combustion process for burning a fuel 失效
    用于燃烧燃料的燃烧过程

    公开(公告)号:US06196831B1

    公开(公告)日:2001-03-06

    申请号:US09388539

    申请日:1999-09-02

    IPC分类号: F23C500

    摘要: The invention relates to a combustion process for burning a fuel, in which the point of injection of each main oxidizer jet (7, 8) with respect to the point of injection of a fuel jet (4) closest to it is arranged a distance D away satisfying the following relation: D A > 5 ⁢   ⁢ and / or ⁢   ⁢ D B > 5 D being the minimum distance between the outer edge of the relevant oxidizer jet (7, 8) and the outer edge of the fuel jet (4) closest to it, at their respective points of injection, A and B being, respectively, the cross section of the main jet (7, 8) of the oxidizer and the cross section of the fuel jet, considered at their respective points of injection.

    摘要翻译: 本发明涉及一种用于燃烧燃料的燃烧过程,其中每个主要氧化剂射流(7,8)相对于最接近燃料喷射点(4)的喷射点的喷射点被设置为距离D 满足以下关系:D是相关氧化剂射流(7,8)的外边缘与最靠近它的燃料射流(4)的外边缘之间在其各自注射点A和B处的最小距离 分别是在其各自的注射点考虑的氧化剂的主喷射器(7,8)的横截面和燃料射流的横截面。

    Process for partial oxidation of a gas stream containing hydrogen
sulphide
    9.
    发明授权
    Process for partial oxidation of a gas stream containing hydrogen sulphide 失效
    含有硫化氢的气流的部分氧化方法

    公开(公告)号:US6083466A

    公开(公告)日:2000-07-04

    申请号:US894441

    申请日:1997-11-17

    IPC分类号: C01B17/04 C01B17/00 C01B17/16

    CPC分类号: C01B17/046

    摘要: Process for partial oxidation in a Claus furnace of at least one gas stream comprising hydrogen sulphide, comprising the steps of:(a) injecting at least one gas stream comprising hydrogen sulphide and at least one oxygen-enriched gas stream into the Claus furnace, wherein each of the streams is injected at a speed of injection which is substantially parallel,(b) controlling the speed of injection of the gas stream comprising hydrogen sulphide and the speed of injection of the oxygen-enriched gas stream such that the speeds have a ratio between 0.8 and 1.2.

    摘要翻译: PCT No.PCT / FR96 / 00266 Sec。 371日期:1997年11月17日 102(e)日期1997年11月17日PCT提交1996年2月20日PCT公布。 公开号WO96 / 26157 PCT。 日期1996年8月29日克劳斯特炉中至少一种包含硫化氢气流的部分氧化过程包括以下步骤:(a)将至少一种包含硫化氢和至少一种富氧气流的气流注入 克劳斯炉,其中每个流以基本上平行的注射速度注入,(b)控制包含硫化氢的气流的注入速度和注入富氧气流的速度,使得 速度的比例在0.8和1.2之间。

    Prefferential oxygen firing system for counter-current mineral calcining
    10.
    发明授权
    Prefferential oxygen firing system for counter-current mineral calcining 失效
    用于逆流矿物煅烧的预烧氧发射系统

    公开(公告)号:US6077072A

    公开(公告)日:2000-06-20

    申请号:US156753

    申请日:1998-09-18

    摘要: Superior heat transfer in a kiln is achieved by the use of at least one injector which injects both an oxidant, preferably containing oxygen, and a secondary fuel into the kiln. The injectors are provided so that the energy resulting from the combustion of the different fuels in the kiln heats specified regions of the kiln, without causing hot spots on the refractory walls. A firing scheme is described for the oxygen and fuels which allows an increase in the amount of heat released toward the load, resulting in significant increases in kiln efficiency and production. Low quality fuels may be used, as well as using and/or recycling more insufflated dust, without an adverse effect on the main flame.

    摘要翻译: 通过使用将氧化剂(优选含有氧气)和二次燃料注入窑内的至少一个喷射器来实现窑炉中的优异传热。 注射器被设置成使得由窑内的不同燃料的燃烧产生的能量加热窑的特定区域,而不会在耐火壁上产生热点。 描述了用于氧气和燃料的燃烧方案,其允许增加朝向负载释放的热量,导致窑炉效率和生产的显着增加。 可以使用低质量的燃料,以及使用和/或回收更多的吹灰尘,而不会对主火焰产生不利影响。