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    • 4. 发明申请
    • STARTING METHOD OF COAL GASIFIER AND STARTING DEVICE THEREFOR
    • 煤燃气启动方法及其启动装置
    • US20100180503A1
    • 2010-07-22
    • US12452854
    • 2008-07-15
    • Katsuhiko YokohamaHiromi IshiiYuichiro Kitagawa
    • Katsuhiko YokohamaHiromi IshiiYuichiro Kitagawa
    • C10J3/68C10J3/00
    • C10J3/726C10J3/466C10J2300/093
    • In a coal gasification furnace adapted to feed pulverized coal thereinto by the use of inert carrier gas and gasify the same, any startup burner can be unnecessitated thereby eliminating any startup combustion chamber. Further, even in the use of a startup burner, it is smaller and lighter in weight than conventional startup burners, allowing the startup combustion chamber to be compact and limiting the height of the entirety of the gasification furnace. As a characteristic feature, a pulverized coal fuel supply passageway (23) to a combustor burner (9) is provided at its midstream portion with a startup gas supply passageway (29) for supply of a startup combustible gas (NG1). After reaching of the temperature of the furnace interior to a first temperature (T1) allowing ignition of pulverized coal with reference to a detected value from furnace interior temperature detecting means (41), transition to combustion by the pulverized coal and carrier gas is effected by increasing the input rate of pulverized coal and carrier gas while decreasing the supply rate of combustible gas (NG1) from the startup gas supply passageway (29).
    • 在适于通过使用惰性载气进料到其中的粉煤并将其气化的煤气化炉中,可能不需要任何启动燃烧器,从而消除任何启动燃烧室。 此外,即使在启动燃烧器的使用中,其重量比常规启动燃烧器小,重量更轻,从而允许启动燃烧室紧凑并限制了整个气化炉的高度。 作为特征,在燃烧器燃烧器(9)的中游部设有用于供给起动燃气(NG1)的启动气体供给通路(29)的燃煤燃烧器(9)的粉煤燃料供给通路(23)。 在炉内温度达到第一温度(T1)之后,根据来自炉内温度检测装置(41)的检测值点燃粉煤,第一温度(T1)由粉煤和载气转化为燃烧,由 在降低可燃气体(NG1)从启动气体供应通道(29)的供给速率的同时,提高粉煤和载气的输入速度。
    • 5. 发明申请
    • Integrated coal gasification combined cycle plant
    • 综合煤气化联合循环厂
    • US20070137169A1
    • 2007-06-21
    • US11705445
    • 2007-02-13
    • Shigeyasu IshigamiYuichiro KitagawaKatsuya Ito
    • Shigeyasu IshigamiYuichiro KitagawaKatsuya Ito
    • F02C3/28
    • F02C3/28F01K23/067Y02E20/16Y02E20/18
    • A highly efficient integrated coal gasification combined cycle plant is provided having a dust removing system which can reliably exhibit a desired dust removing performance and which can maintain high operational reliability such that the occurrence of dust leaks is prevented. The integrated coal gasification combined cycle plant has a coal gasification furnace configured to yield a coal gas by gasification of coal, a gas turbine generator driven with a gas turbine which is operated using the coal gas as fuel and which discharges a high-temperature combustion exhaust gas, an exhaust heat recovery boiler configured to recover heat from the high-temperature combustion exhaust gas and to produce steam, and a steam turbine generator driven with a steam turbine operated using the steam produced by the exhaust heat recovery boiler. In the above plant, a flue gas desulfurization device configured to desulfurize the coal gas is provided downstream of the gas turbine and the exhaust heat recovery boiler, and the dust removing system which is configured to recover char and to remove dust from the coal gas has at least one line containing a cyclone, a front-stage filter, and a rear-stage filter.
    • 提供了一种高效率的一体式煤气化联合循环装置,其具有可以可靠地呈现期望的除尘性能并且可以保持高操作可靠性的除尘系统,从而防止了灰尘泄漏的发生。 综合煤气化联合循环装置具有煤气化炉,其通过煤气化产生煤气,由燃气轮机驱动的燃气轮机,其使用煤气作为燃料运转,并且排出高温燃烧排气 气体,被配置为从高温燃烧废气中回收热量并产生蒸汽的废热回收锅炉,以及由使用由废热回收锅炉产生的蒸汽操作的蒸汽轮机驱动的蒸汽轮机发电机。 在上述工厂中,在燃气轮机和废热回收锅炉的下游设置有用于对煤气进行脱硫的烟道气脱硫装置,并且构成为回收炭并除去煤气的粉尘的除尘系统具有 包含旋风分离器,前级过滤器和后级过滤器的至少一行。
    • 7. 发明授权
    • Dust-removing method
    • 除尘方法
    • US08673066B2
    • 2014-03-18
    • US13390161
    • 2010-07-15
    • Yoshinori KoyamaOsamu ShinadaYuichiro KitagawaTakashi Yamamoto
    • Yoshinori KoyamaOsamu ShinadaYuichiro KitagawaTakashi Yamamoto
    • B01D46/04
    • B01D46/0041B01D46/0069B01D46/2407
    • In a porous filter, dust that has been collected from a gas through a filter group installed in a vessel body onto filter surfaces is removed from the filter surfaces by backwashing in which the supply and stoppage of a high-pressure gas ejected toward porous filter elements are repeated by means of a valve operation. Backwash tanks having upstream backwash valves and downstream backwash valves are installed in backwash pipes through which the high-pressure gas is guided from high-pressure-gas supply equipment to backwash nozzles for ejecting the backwash high-pressure gas toward the filter group to form a backwash high-pressure-medium supply line. The outlet pressure of the high-pressure-gas supply equipment is set to “1/critical pressure ratio” or more times a filter inlet gas pressure so that the flow speed of the high-pressure gas ejected from the backwash nozzle is the speed of sound or higher.
    • 在多孔过滤器中,通过反冲洗从已经从安装在容器主体中的过滤组合收集到过滤器表面上的灰尘从过滤表面除去,其中向多孔过滤元件喷射的高压气体的供应和停止 通过阀门操作重复。 具有上游回洗阀和下游回洗阀的反洗槽安装在反冲洗管中,高压气体从高压气体供给设备引导回到反冲洗喷嘴,用于将反洗高压气体朝向过滤器组排出,形成 反洗高压介质供应线。 高压气体供给装置的出口压力被设定为过滤器入口气体压力的“1 /临界压力比”或更多倍,使得从反冲洗喷嘴喷出的高压气体的流速为 声音或更高。
    • 8. 发明申请
    • DUST-REMOVING APPARATUS
    • 除尘装置
    • US20120137890A1
    • 2012-06-07
    • US13390161
    • 2010-07-15
    • Yoshinori KoyamaOsamu ShinadaYuichiro KitagawaTakashi Yamamoto
    • Yoshinori KoyamaOsamu ShinadaYuichiro KitagawaTakashi Yamamoto
    • B01D46/42
    • B01D46/0041B01D46/0069B01D46/2407
    • In a porous filter, dust that has been collected from a gas through a filter group installed in a vessel body onto filter surfaces is removed from the filter surfaces by backwashing in which the supply and stoppage of a high-pressure gas ejected toward porous filter elements are repeated by means of a valve operation. Backwash tanks having upstream backwash valves and downstream backwash valves are installed in backwash pipes through which the high-pressure gas is guided from high-pressure-gas supply equipment to backwash nozzles for ejecting the backwash high-pressure gas toward the filter group to form a backwash high-pressure-medium supply line. The outlet pressure of the high-pressure-gas supply equipment is set to “1/critical pressure ratio” or more times a filter inlet gas pressure so that the flow speed of the high-pressure gas ejected from the backwash nozzle is the speed of sound or higher.
    • 在多孔过滤器中,通过反冲洗从已经从安装在容器主体中的过滤组合收集到过滤器表面上的灰尘从过滤表面除去,其中向多孔过滤元件喷射的高压气体的供应和停止 通过阀门操作重复。 具有上游回洗阀和下游反冲洗阀的回洗槽安装在反冲洗管中,高压气体从高压气体供给设备引导到反冲洗喷嘴,用于将反洗高压气体朝向过滤器组排出,形成 反洗高压介质供应线。 高压气体供给装置的出口压力被设定为过滤器入口气体压力的“1 /临界压力比”或更多倍,使得从反冲洗喷嘴喷出的高压气体的流速为 声音或更高。
    • 9. 发明申请
    • DUST COLLECTOR
    • 除尘器
    • US20100236199A1
    • 2010-09-23
    • US12377574
    • 2006-11-06
    • Katsuhiko YokohamaYuichiro KitagawaMasashi Kitada
    • Katsuhiko YokohamaYuichiro KitagawaMasashi Kitada
    • B01D46/24
    • B01D46/2407B01D46/0041B01D50/002F27D17/008
    • A dust collector that collects dust (12) in gas (11) and purifies the gas (11) includes a tube plate (16) being provided in a dust collector frame (13) that separates an interior into a gas introduction chamber (14) and a gas discharge chamber (15), a plurality of dust collection pipes (17) being hung from the tube plate (16) that feeds the gas (11) from outside to inside and removes the dust (12) on a surface thereof, a gas introduction pipe (18) being provided in the gas introduction chamber (14) that includes a gas opening end portion (18a) positioned near the tube plate (16), and supplies the gas (11) to the dust collection pipes (17) in a downflow direction, a diffuser (19) being provided at the opening end portion (18a) of the gas introduction pipe (18), and a gas discharging unit (21) being provided in the gas discharge chamber (15) that discharges purified gas (20).
    • 收集气体(11)中的灰尘(12)并净化气体(11)的集尘器包括设置在将内部分离成气体导入室(14)的集尘框架(13)中的管板(16) 和气体排出室(15),多个集尘管(17)从管板(16)悬挂,从外部向内部供给气体(11)并除去其表面上的灰尘(12) 气体导入管(18),其设置在气体导入室(14)中,所述气体导入室包括位于所述管板(16)附近的气体开口端部(18a),并将气体(11)供给到所述集尘管 ),在气体导入管(18)的开口端部(18a)设置有扩散器(19),以及气体排出单元(21),其设置在排气室 净化气体(20)。