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    • 1. 发明专利
    • Electrostatic precipitation method of electrostatic precipitation apparatus, electrostatic precipitation apparatus, and boiler system
    • 静电沉淀装置,静电沉淀装置和锅炉系统的静电沉淀方法
    • JP2012052721A
    • 2012-03-15
    • JP2010195010
    • 2010-08-31
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KITSUTA TAKEHIROSETOGUCHI TOSHIHIKO
    • F23C1/00B01D53/50B01D53/81B03C3/013B03C3/02B03C3/68F23J15/00F23N5/00
    • Y02A50/2348Y02E20/348
    • PROBLEM TO BE SOLVED: To provide an electrostatic precipitation method of an electrostatic precipitation apparatus, along with the electrostatic precipitation apparatus and a boiler system, capable of improving a continuous operation performance over a long period of time.SOLUTION: The boiler system includes: fuel supply units 22A, 22B for supplying fuels 23A, 23B, which are supplied to a boiler 11, having different sulfur content compositions; a fuel switching unit 24 for switching the fuel with another fuel having different fuel compositions; an NOx removal device 12 for removing nitrogen oxides in an exhaust gas from the boiler 11; an air preheater 13 for recovering heat in the gas after removal of the nitrogen oxides; an electrostatic precipitation apparatus having an electrostatic precipitator 15 for removing soot while adding an ammonium 14 in the gas after the heat recovery and a soot concentration measurement unit 20; a desulfurizer 17 for removing sulfur oxides in the gas after removal of dust; and a control device 21 for performing control of switching the currently-used fuel (main fuel) 23A to the fuel (low sulfur fuel) 23B having lower sulfur components in the fuel compositions of the fuel supplied to the boiler, when a predetermined threshold of soot amount is measured as a result of the measurement with the soot concentration measurement unit 20.
    • 要解决的问题:提供静电沉淀装置的静电沉淀方法以及能够长时间地提高连续操作性能的静电沉淀装置和锅炉系统。 解决方案:锅炉系统包括:用于供应燃料23A,23B的燃料供应单元22A,22B,其供应给具有不同硫含量组成的锅炉11; 燃料切换单元24,用于利用具有不同燃料组成的另一种燃料切换燃料; 用于去除来自锅炉11的废气中的氮氧化物的NOx去除装置12; 用于在去除氮氧化物之后回收气体中的热量的空气预热器13; 一种静电沉淀装置,具有用于在热回收后的气体中加入铵14并除去烟灰的静电除尘器15和烟灰浓度测定单元20; 用于除去灰尘之后的除去气体中的硫氧化物的脱硫剂17; 以及控制装置21,用于执行将当前使用的燃料(主燃料)23A切换到在供给到锅炉的燃料的燃料组成中具有较低硫成分的燃料(低硫燃料)23B的控制,当预定阈值 作为烟灰浓度测量单元20的测量结果,测量煤烟量。(C)2012,JPO&INPIT
    • 2. 发明专利
    • Explosion-proof system by steam
    • 防爆系统
    • JP2005279636A
    • 2005-10-13
    • JP2005048058
    • 2005-02-23
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • NISHIZAWA KAZUKIKITSUTA TAKEHIROTAKATSUDO YASUHIROAMARI TAKESHIARAI YOSHIHARUTSUCHIYA SHINSUKEYAMAZAKI AYUMITODA SHINICHI
    • B02C23/04B02C23/40
    • PROBLEM TO BE SOLVED: To provide an explosion-proof system by steam where operators can charge waste without working adjustment operation. SOLUTION: The explosion-proof system by steam is provided with a crusher (46) crushing waste, a charging part (43)from which waste is charged to the crusher (46), an explosion-proof treating device (60) and an infra-red camera (1). The explosion-proof treating device (60) introduces steam and heated air for preventing waste from explosion in the crusher (46) by respective a first steam flow rate (X) and a first heated air flow rate (Y) into the crusher (46). The steam reduces the concentration of oxygen in the crusher (46) and the heated air holds the steam sent into the crusher (46). The infra-red camera (1) photographs waste holding in a charging part (43), In the explosion-proof system by steam, the operators can carry out the charge work of waste, charging waste to the crusher (46), without carrying out adjusting work controlling the heated air flow rate. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过蒸汽提供防爆系统,操作员可以在不进行工作调整操作的情况下对废物进行充电。 解决方案:通过蒸汽的防爆系统设有破碎机(46),粉碎废物,将废料从其中的装料部分(43)输送到破碎机(46),防爆处理装置(60) 和红外相机(1)。 防爆处理装置(60)通过将第一蒸汽流量(X)和第一加热空气流量(Y)分别设置到破碎机(46)中,引入蒸汽和加热空气,以防止破碎机(46)中的废物爆炸 )。 蒸汽减少破碎机(46)中的氧气浓度,加热的空气保持送入破碎机(46)的蒸汽。 红外摄像机(1)拍摄充电部件(43)中的废弃物,在蒸汽防爆系统中,操作员可以进行废物的充电工作,将废弃物装入破碎机(46),不携带 调节工作控制加热空气流量。 版权所有(C)2006,JPO&NCIPI
    • 6. 发明专利
    • Ash melting furnace
    • ASH熔炼炉
    • JPH11281036A
    • 1999-10-15
    • JP10038298
    • 1998-03-27
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KITSUTA TAKEHIRONOMA AKIRATAGUMA MASAOHONDA HIROKIISHIKAWA IZURUSHIBATA KENICHI
    • F23J1/00
    • Y02E20/344
    • PROBLEM TO BE SOLVED: To provide an ash melting furnace which raises the discharge rate of a molten slag by permitting the molten slag consisting of a molten ash collected in a slag pool to have high flowability in its flow to a slag discharge port.
      SOLUTION: An ash melting furnace is so arranged as to transfer an ash 50 along an inclined furnace bottom 55 from an ash feed 53 at one end side of a furnace body toward a discharge port 57 at the other end side while forming an ash feed layer 59 and moving it toward the end of the furnace bottom 55, heat the surface of the ash feed layer 59 by means of a burner 52 fixed to a furnace ceiling 56 thereby forming a molten ash, forming a slag pool 10 by use of a weir 12 at the end of the furnace bottom 55 to reserve the molten ash therein, and discharge the reservoired molten slag to a lower portion of the discharge port 57 through a slag residuum outlet 11 provided at the weir 12. The slag pool 10 is formed in the form of a substantially funnel- like shape by means of guide surfaces provided at the weir 12, and thus the flow of the molten slag is naturally converged toward the slag residuum outlet 11.
      COPYRIGHT: (C)1999,JPO
    • 要解决的问题:提供一种灰熔融炉,其通过允许由渣池中收集的熔融灰组成的熔渣在流向排渣口的流动中具有高流动性,从而提高熔渣的排出速率。 解决方案:灰熔炉设置成将倾斜炉底55的灰50从炉体的一端侧的灰进料53向另一端的排出口57输送,同时形成灰进料层 并且将其移动到炉底55的端部,通过固定到炉顶56的燃烧器52加热灰料进料层59的表面,从而形成熔融灰,通过使用堰形成渣池10 12,在炉底55的末端保留熔融灰分,并通过设在堰12上的炉渣残渣出口11将储存的熔渣排出到排出口57的下部。炉渣池10 通过设置在堰12处的引导表面,因此熔融炉渣的流动自然地朝渣渣残渣出口11收敛,形成大致漏斗状的形状。
    • 7. 发明专利
    • Electric dust collector
    • 电动集尘器
    • JP2014097460A
    • 2014-05-29
    • JP2012250522
    • 2012-11-14
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KOMATSU TOMOMIKITSUTA TAKEHIROHASHIGUCHI KAZUAKIUJIHARA YUUKO
    • B03C3/80B03C3/40
    • PROBLEM TO BE SOLVED: To provide an electric dust collector where dust in an exhaust gas adhering to and depositing on a dust collecting electrode can be effectively removed without using a cleaning means and in which a reusable dust removing means is used.SOLUTION: In an electric dust collector 10, dust D is removed from an exhaust gas by that the dust D in the exhaust gas adheres to and deposits on a dust collecting electrode 12 side by electrostatic force applying a high voltage between a discharge electrode 11 and a dust collecting electrode 12. The electric dust collector 10 comprises: a beads injector 13 to peel and fall off the dust D from the dust collecting electrode 12 by the impact force of beads 20 caused by the blowing impact of a plurality of the beads 20 to the dust D adhering to and depositing on the dust collecting electrode 12; and a beads recovery device 14 where the beads 20 used for the peeling of the dust D are recovered, returned to the beads injector 13 and reused for the peeling of the dust D.
    • 要解决的问题:提供一种电除尘器,其可以在不使用清洁装置的情况下有效地去除附着和沉积在集尘电极上的废气中的灰尘,并且其中使用可重复使用的除尘装置。解决方案:在 电除尘器10中,通过在放电电极11和集尘电极之间施加高电压的静电力使废气中的灰尘D附着并沉积在集尘电极12侧,从废气中除去灰尘D. 电动集尘器10包括:珠子喷射器13,其通过由多个珠粒20的吹送冲击引起的粉尘20的冲击力从灰尘聚集电极12剥离和脱落尘埃D到粉尘D 粘附并沉积在集尘电极12上; 以及回收用于剥离灰尘D的珠粒20的珠回收装置14,返回到珠注射器13,并重新用于剥离灰尘D.
    • 9. 发明专利
    • Method and device for operation control of soot blower
    • 用于操作控制烟雾的方法和装置
    • JP2010117067A
    • 2010-05-27
    • JP2008289875
    • 2008-11-12
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KITSUTA TAKEHIROHIRATA TAKEHIKOTAKAMOTO NAOKI
    • F23J3/00F22B37/56
    • PROBLEM TO BE SOLVED: To provide a method and a device for operation control of a soot blower capable of effectively removing ash and soot regardless of arrangement of a heat transfer pipe and of suppressing local reduction in wall-thickness.
      SOLUTION: In the method for operation control of the soot blower which includes a lance tube advanced/retracted in the direction orthogonal to a boiler furnace wall and arranged rotatably around the axis within the boiler furnace wall and a nozzle hole formed in the lance tube and injecting steam within the boiler furnace wall and removes deposits adhered on the heat transfer surface within the boiler furnace wall (hereinafter referred to as the heat transfer pipe), the lance tube is oscillated around the axis while advanced/retracted in the direction orthogonal to the boiler furnace wall, a distance between the nozzle hole formed on the lance tube and the heat transfer pipe is determined, and the flow speed of blowout steam blown out from the nozzle hole is increased/decreased in accordance with the distance.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决方案:提供一种能够有效地除去灰分和烟灰的烟灰机的操作控制的方法和装置,而与传热管的布置无关,并且抑制壁厚的局部减小。 解决方案:在吹灰器的操作控制方法中,该吹灰器包括在垂直于锅炉炉壁的方向上前进/后退的喷枪管,并且可绕锅炉炉壁内的轴线旋转,并且形成在喷嘴孔中的喷嘴孔 在锅炉炉壁内喷射蒸汽并去除附着在锅炉炉壁(以下称为传热管)内的传热表面上的沉积物,喷枪管围绕轴线摆动,同时沿着方向 与锅炉炉壁正交,确定形成在喷枪管上的喷嘴孔与传热管之间的距离,并且根据距离增加/减少从喷嘴孔吹出的喷出蒸汽的流速。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Cyclone-type solid-gas separator and carbonizing apparatus equipped with the solid-gas separator
    • 气固型气体分离器和装有固体气体分离器的碳化装置
    • JP2008201852A
    • 2008-09-04
    • JP2007036935
    • 2007-02-16
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KITSUTA TAKEHIROYAMAMOTO HIROTAMISEKINO KOJITERASAWA YOSHINORIISHIKAWA KEIICHIKOIZUMI RYOSUKE
    • C10B53/00B04C5/14B04C5/22F27D17/00F27D19/00F27D21/00
    • Y02P10/283
    • PROBLEM TO BE SOLVED: To provide a cyclone-type solid-gas separator preventing a cyclone and piping from being blocked by the solidification of tar, soot particles or the like contained in a thermally cracked gas, and further preventing the tar and a carbonized product attached thereto from being ignited by leaked air, and to provide a carbonizing apparatus equipped with the solid-gas separator. SOLUTION: The cyclone-type solid-gas separator 10 arranged on a gas passage connected to a thermally cracked gas outlet of a carbonizing furnace 2 is equipped with a heater 35 for heating the solid-gas separator 10 from outside to keep the separator worm, and a purging gas feeder 25 for feeding a purging gas comprising an inert gas or steam, installed in a narrow part at which the cross section shape of the solid-gas separator is narrowed. Preferably, a thermometer 33 for measuring the gas outlet temperature of the cyclone-type solid-gas separator 10 is installed, and the fed amount of the purging gas is controlled based on the measured temperature at the purging gas feeder. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种旋风式固体气体隔离器,其防止旋风分离器和管道被包含在热裂解气体中的焦油,烟灰颗粒等固化而阻塞,并进一步防止焦油和 附着于其上的碳化产物被泄漏的空气点燃,并提供配备有固体气体分离器的碳化装置。 解决方案:设置在与碳化炉2的热裂解气体出口连接的气体通道上的旋风型固体气体分离器10装备有用于从外部加热固体气体分离器10的加热器35,以保持 分离器蜗杆和用于供给包括惰性气体或蒸汽的吹扫气体的吹扫气体供给器25,该惰性气体或蒸汽安装在固体气体分离器的截面形状变窄的狭窄部分中。 优选地,安装用于测量旋风型固体气体分离器10的气体出口温度的温度计33,并且基于净化气体进料器的测量温度来控制净化气体的进料量。 版权所有(C)2008,JPO&INPIT