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    • 2. 发明授权
    • Multi-stage circulating fluidized bed syngas cooling
    • 多级循环流化床合成气冷却
    • US09464848B2
    • 2016-10-11
    • US14010381
    • 2013-08-26
    • Southern Company
    • Guohai LiuPannalal VimalchandXiaofeng GuanWanWang Peng
    • B01J7/00F28D15/00C10J3/86F28D13/00C10K3/00F28D21/00
    • F28D13/00C10J3/86C10J2300/093C10J2300/1884C10J2300/1892C10K3/005F28D15/00F28D21/0001F28D2021/0075Y02E20/16Y02E20/18
    • A method and apparatus for cooling hot gas streams in the temperature range 800° C. to 1600° C. using multi-stage circulating fluid bed (CFB) coolers is disclosed. The invention relates to cooling the hot syngas from coal gasifiers in which the hot syngas entrains substances that foul, erode and corrode heat transfer surfaces upon contact in conventional coolers. The hot syngas is cooled by extracting and indirectly transferring heat to heat transfer surfaces with circulating inert solid particles in CFB syngas coolers. The CFB syngas coolers are staged to facilitate generation of steam at multiple conditions and hot boiler feed water that are necessary for power generation in an IGCC process. The multi-stage syngas cooler can include internally circulating fluid bed coolers, externally circulating fluid bed coolers and hybrid coolers that incorporate features of both internally and externally circulating fluid bed coolers. Higher process efficiencies can be realized as the invention can handle hot syngas from various types of gasifiers without the need for a less efficient precooling step.
    • 公开了一种使用多级循环流化床(CFB)冷却器在800℃至1600℃的温度范围内冷却热气流的方法和装置。 本发明涉及从煤气化炉中冷却热合成气,其中热合成气在常规冷却器接触时夹带污染,腐蚀和腐蚀传热表面的物质。 通过在CFB合成气冷却器中循环惰性固体颗粒提取并间接传递热量至传热表面来冷却热合成气。 CFB合成气冷却器分段,以便在IGCC工艺中发电所需的多种条件下生产蒸汽和热锅炉给水。 多级合成气冷却器可以包括内部循环流化床冷却器,外部循环流化床冷却器和混合冷却器,其结合内部和外部循环流化床冷却器的特征。 可以实现更高的工艺效率,因为本发明可以处理来自各种类型的气化器的热合成气,而不需要较不有效的预冷却步骤。
    • 5. 发明申请
    • Method of and Arrangement for Feeding Fuel Into a Circulating Fluidized Bed Boiler
    • 将燃料送入循环流化床锅炉的方法和装置
    • US20120237883A1
    • 2012-09-20
    • US13503957
    • 2010-10-29
    • Marcin KlajnyKari KauppinenPertti KinnunenJouni MiettinenKari MyöhänenPekka Lehtonen
    • Marcin KlajnyKari KauppinenPertti KinnunenJouni MiettinenKari MyöhänenPekka Lehtonen
    • F23C10/22F23K3/00F28D13/00F23C10/04
    • F23C10/22F23C10/10
    • A method of feeding at least one of light, fine, volatile and moist fuel into a furnace of a circulating fluidized bed boiler. Fuel is introduced into the furnace and is combusted in the presence of a fluidized bed material to form flue gases. The fluidized bed material is circulated both inside the furnace in an internal circulation in which bed material returns along walls of the furnace down to the bottom of the furnace, and outside the furnace in an external circulation that includes at least a solids separator arranged in flow communication with the furnace. Bed material is separated from the flue gases in the separator. The flue gases are removed from the separator for further treatment. The separated bed material is returned to the furnace. Circulating bed material from at least the internal circulation flowing down along the furnace walls to a return flow is collected, and the return flow is introduced in a consolidated form into communication with the fuel being introduced in the furnace, so that the bed material return flow and the fuel flow are mixed together and flow downwards in the furnace. This increases the residence time of the fuel in the furnace.
    • 将轻质,微细,挥发和潮湿燃料中的至少一种进料至循环流化床锅炉的炉中的方法。 将燃料引入炉中并在流化床材料存在下燃烧以形成烟道气。 流化床材料在内部循环中在炉内循环,其中床料沿着炉壁沿着炉的底部返回到炉的底部,并且在外部循环的外部循环中,该外部循环至少包括以流动方式排列的固体分离器 与炉沟通。 床料与分离器中的烟气分离。 烟道气从分离器中取出进一步处理。 分离的床材料返回到炉中。 从至少沿着炉壁向下流动的内部循环到回流的循环床材料被收集,并且返回流以固结形式引入与引入炉中的燃料连通,使得床材料返回流 并将燃料流混合在一起并在炉中向下流动。 这增加了燃料在炉中的停留时间。
    • 8. 发明申请
    • Manufacturing Method of Water Block
    • 水坝制造方法
    • US20080105413A1
    • 2008-05-08
    • US11971878
    • 2008-01-09
    • Yu-Huang PENG
    • Yu-Huang PENG
    • F28D13/00
    • F28F3/12F28D2021/0029F28F3/048F28F13/185F28F2255/18
    • A porous microchannel structure adopts a first casing and a second casing to form a water block. Water inlet and outlet pipes are extended from both ends of the first casing respectively. The second casing has a porous microchannel structure made by sintering a heat conducting powder and formed on an internal side of the second casing. The second casing has a contact surface on its external side for absorbing and conducting a heat source to the porous microchannel structure, such that a coolant can flow from the water inlet pipe into the water block. The porous microchannel structure produces turbulent flows to the coolant, so as to extend the staying time of the coolant in the water block, and allow the coolant to fully exchange heat with the porous microchannel structure and flow out from the water outlet pipe.
    • 多孔微通道结构采用第一壳体和第二壳体以形成水块。 水入口和出口管分别从第一壳体的两端延伸。 第二壳体具有通过烧结导热粉末而形成在第二壳体的内侧上的多孔微通道结构。 第二壳体在其外侧具有接触表面,用于吸收和传导热源到多孔微通道结构,使得冷却剂可以从进水管流入水块。 多孔微通道结构产生对冷却剂的湍流,以便延长冷却剂在水块中的停留时间,并允许冷却剂与多孔微通道结构完全交换热量并从出水管流出。
    • 9. 发明授权
    • Method and apparatus in a fluidized bed heat exchanger
    • 流化床热交换器中的方法和装置
    • US06962676B1
    • 2005-11-08
    • US09806469
    • 1999-09-29
    • Timo Hyppänen
    • Timo Hyppänen
    • F23C10/02F22B1/02F22B31/00F23C10/10F23C10/28F28D13/00F27B15/00
    • F22B31/0084F23C10/10F28D13/00
    • A method and an apparatus in a fluidized bed heat exchanger including a heat exchange chamber having a fluidized bed of solid particles, heat transfer surfaces, an inlet, and an outlet. Particles are fed through the inlet onto the upper surface of the bed of solid particles by a guiding channel. The guiding channel, which extends from above the upper surface of the bed of solid particles to the surface thereof, or to below the surface, passes the solid particles to the restricted area of the surface. The outlet is formed in the area of the guiding channel to remove particles from the area delimited by the guiding channel. Uncooled particles can thus be removed from the heat exchange chamber.
    • 流化床热交换器中的方法和装置,其包括具有固体颗粒流化床,传热表面,入口和出口的热交换室。 颗粒通过引导通道通过入口进入固体颗粒床的上表面。 从固体颗粒床的上表面上方延伸到其表面或表面下方的引导通道将固体颗粒传递到表面的限制区域。 出口形成在引导通道的区域中以从由引导通道界定的区域中除去颗粒。 因此,可以从热交换室除去未冷却的颗粒。
    • 10. 发明授权
    • Stabilizing thermally beneficiated carbonaceous material
    • 稳定热精选碳质材料
    • US06878174B1
    • 2005-04-12
    • US09446447
    • 1998-06-23
    • David Stewart Conochie
    • David Stewart Conochie
    • F28D13/00B01J8/00C01B31/02C10B57/08C10L9/00C10L9/06F28D21/00F28F27/00C10L5/00
    • C10L9/06C10L9/00F28F27/00
    • A method of stabilizing a thermally beneficiated carbonaceous material is disclosed. The method includes the steps of supplying a charge of the carbonaceous material at an elevated temperature to a process vessel to form a packed bed and cooling the carbonaceous material to a target temperature by indirect heat exchange. The method is characterised by supplying an oxygen-containing gas to the packed bed to partially oxidise the carbonaceous material to a required degree to stabilize the carbonaceous material prior to the carbonaceous material reaching the target temperature. The method is also characterised by removing heat from the packed bed that is produced by oxidation of carbonaceous material to control the temperature of the carbonaceous material during oxidation to avoid thermal runaway.
    • 公开了一种稳定热精选碳质材料的方法。 该方法包括以下步骤:在升高的温度下将碳质材料的装料供给到处理容器中以形成填充床,并通过间接热交换将含碳材料冷却至目标温度。 该方法的特征在于,在含碳气体达到目标温度之前,向填充床供给含氧气体,以将碳质材料部分氧化至需要的程度以稳定碳质材料。 该方法的特征还在于,通过从碳质材料的氧化产生的填充床中除去热量,以控制氧化过程中碳质材料的温度以避免热失控。