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    • 51. 发明专利
    • Furnace situation monitoring/controlling method for melting furnace and its device
    • 用于熔炼炉及其装置的炉膛状态监测/控制方法
    • JP2007271205A
    • 2007-10-18
    • JP2006099149
    • 2006-03-31
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • SHIRAI TOSHIMASASAITO YOSHIHISASATO JUNKITSUTA TAKEHIRO
    • F23G5/50F23G5/00
    • PROBLEM TO BE SOLVED: To provide a furnace situation monitoring/controlling method for a melting furnace capable of properly grasping a furnace situation and performing proper control for a stable operation.
      SOLUTION: In this furnace situation monitoring/controlling method of the melting furnace having a furnace main body 2 provided with a water-cooled wall 3, communicated with a secondary combustion chamber 26 at its upper portion, provided with a slag cinder notch 6 at its lower portion, introducing a thermal decomposition gas 43 generated by thermally decomposing wastes, from a thermal decomposition gas burner 4 disposed on a furnace wall, and melting ash content in the gas by combustion heat of the thermal decomposition gas, three cooling blocks composed of one or plural adjacent cooling water passages exist at an upper portion, an intermediate portion and a lower portion, and a combustion exhaust gas generating situation is monitored at the upper block 8, an auxiliary fuel supplying situation is monitored at the intermediate block 9, and a slag discharging situation is monitored at the lower block 10 on the basis of a cooling water flow rate of each cooling block, and heat absorption quantity calculated from temperature difference at an inlet and an outlet of cooling water.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够适当地掌握炉子情况并进行适当控制以进行稳定操作的熔炉的炉状态监视/控制方法。 解决方案:在具有设置有水冷壁3的炉主体2的熔炉的炉状态监视/控制方法中,在其上部与二次燃烧室26连通,设置有渣渣槽 6在其下部,通过热分解废物产生的热分解气体43,从设置在炉壁上的热分解气体燃烧器4和通过热分解气体的燃烧热量在气体中的熔融灰分含量,三个冷却块 由上部,中间部分和下部存在一个或多个相邻的冷却水通道构成,并且在上部块8处监测燃烧废气产生情况,在中间块9处监测辅助燃料供应状况 并且基于每个冷却块的冷却水流量在下部块10处监测排渣情况,并且热吸收 根据冷却水入口和出口处的温度差计算的量。 版权所有(C)2008,JPO&INPIT
    • 52. 发明专利
    • Melting furnace of waste gasifying melting device, and control method and device for the same
    • 废气加热熔化装置的熔化炉及其相关的控制方法和装置
    • JP2007078239A
    • 2007-03-29
    • JP2005266213
    • 2005-09-14
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • SATO JUNTERASAWA YOSHINORISHIRAI TOSHIMASAYASUDA SHIZUOHORIZOE HIROTOSHINAKAGAWA YUJITERABE YASUNORIKITSUTA TAKEHIRO
    • F23G5/00F23G5/027F23G5/12F23G5/16F23G5/44F23G5/50
    • PROBLEM TO BE SOLVED: To provide a melting furnace of a waste gasifying melting device and a control method and a device for the same capable of improving the ignitability of the melting furnace with a waste material as a treating object, igniting quickly even with a pyrolysis gas of low calorific power, and performing smooth melting treatment by maintaining a temperature in the furnace to be high.
      SOLUTION: The pyrolysis gas 34 generated by gasification is introduced into the furnace from a pyrolitic gas burner 61 provided on a furnace wall. A pilot burner 62 for always jetting flame is provided at the pyrolitic gas burner 61. The pilot burner 62 is arranged so that the flame is jetted toward an opening in the furnace of the pyrolitic gas burner 61, and an angle formed of the jetting direction of the pilot burner 62 and the axis of the pyrolitic gas burner 61 is 90° or smaller. An auxiliary fuel burner 63 provided on the furnace wall of the melting furnace is arranged to jet auxiliary fuel toward the tangential direction of a virtual circle 65 formed of a pyrolitic gas swirling flow in the furnace.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种废气化熔化装置的熔炉和一种能够以废料作为处理对象来提高熔炉的点火性的控制方法及其装置,甚至快速点燃 具有低热能的热解气,并且通过将炉中的温度保持为高来进行平滑的熔融处理。 解决方案:通过气化产生的热解气体34从设置在炉壁上的热解气体燃烧器61引入炉中。 在焦化气体燃烧器61处设置有用于总是喷射火焰的先导燃烧器62.引燃燃烧器62布置成使得火焰朝向热解燃气燃烧器61的炉中的开口喷射,并且由喷射方向 引燃燃烧器62和热解煤燃烧器61的轴线为90°以下。 设置在熔炉的炉壁上的辅助燃料燃烧器63被设置成朝向炉中由热解气体旋流形成的虚拟圆65的切向方向喷射辅助燃料。 版权所有(C)2007,JPO&INPIT
    • 53. 发明专利
    • System for producing dry ice
    • 生产干冰的系统
    • JP2006117458A
    • 2006-05-11
    • JP2004305716
    • 2004-10-20
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KITSUTA TAKEHIROONO HIDETAKAANDO KEIICHIYOKOZUKA SATORU
    • C01B32/55B01D53/26B08B5/02B08B7/00
    • PROBLEM TO BE SOLVED: To provide a system for producing dry ice with reduced power by effectively utilizing the CO 2 gas exhausted during the conventional production of dry ice, and to provide a scrubbing system of dry ice blast by which dry ice can be effectively reused on application of such a system. SOLUTION: The system 1 for producing dry ice is provided with a dehumidifier 2 that removes moisture from a gas containing CO 2 , a refrigerating machine 3 that uses air as a refrigerant by which the gas containing CO 2 having been removed moisture is cooled, and a separation apparatus 4 that separates dry ice produced from the cooled CO 2 , and also the method for producing dry ice using the system is provided. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过有效利用在常规生产干冰期间排出的CO 2 气体来提供具有降低功率的干冰生产系统,并提供干燥的洗涤系统 通过这种系统可以有效地重复使用干冰的冰爆。 解决方案:用于制造干冰的系统1设置有从包含CO 2 的气体中除去水分的除湿器2,该制冷机3使用空气作为制冷剂,其中含有 已经除去水分的CO 2 冷却,并且分离装置4分离从冷却的CO 2 产生的干冰,以及使用该系统产生干冰的方法 被提供。 版权所有(C)2006,JPO&NCIPI
    • 59. 发明专利
    • LOW-POLLUTION COMBUSTION EQUIPMENT FOR WASTE
    • JP2001241629A
    • 2001-09-07
    • JP2000056268
    • 2000-03-01
    • MITSUBISHI HEAVY IND LTD
    • TAGUMA MASAOKITSUTA TAKEHIROHORIZOE HIROTOSHI
    • F23L7/00F23C9/06F23G5/14F23G5/44F23G5/50F23L9/02
    • PROBLEM TO BE SOLVED: To provide low-pollution combustion equipment for waste capable of reducing the amount of dioxin, CO, and NOx in an oxygen-deficient gas such as an exhaust gas by effectively combining primary air and secondary air at an appropriate temperature, an oxygen-riched gas and the oxygen-deficient re-circulation gas such as exhaust gas for burning at a high temperature without charging any chemicals, without increasing the amount of blown air and the amount of oxygen more than required, and without complicating the furnace structure or increasing the furnace size. SOLUTION: Oxygen-deficient primary air due to the increase in temperature is introduced from the lower portion of a stoker where an object to be burnt is thrown to create reduction atmosphere to thereby prevent NOx from being generated, and at the same time oxygen-enriched air (or normal air) is mixed, as secondary air, with a thermally decomposed gas that is generated by primary combustion, by agitation operation caused by the blowing of an oxygen-deficient gas such as a low-temperature re-circulation exhaust gas that is introduced as secondary air similarly, thus completely combusting the thermal decomposition gas while controlling temperature, and preventing harmful substances from being generated in the stoker furnace.
    • 60. 发明专利
    • ASH MELTING FURNACE
    • JPH11304136A
    • 1999-11-05
    • JP11182098
    • 1998-04-22
    • MITSUBISHI HEAVY IND LTD
    • HONDA HIROKITAGUMA MASAOKITSUTA TAKEHIROSATO TETSUOSHIBATA KENICHI
    • F23J1/00
    • PROBLEM TO BE SOLVED: To provide an ash melting furnace which is constituted to stably supply ash to the heat-melting zone of a burner by preventing an ash sintering section near the ash supplying port of the furnace front increasing in size and, at the same time, from being clogged with ash by crushing the section and, at the same time, to stably melt the ash. SOLUTION: An ash melting furnace is constituted in such a way that ash 50 which is supplied to the top section of the inclined bottom 55 of the furnace through an ash supplying port 54 provided above the bottom 55 on one end side of the main body of the furnace is moved toward the end of the bottom 55 along the inclined bottom 55 while the ash 55 forms an ash supplying layer 59 and the ash on the surface of the layer 59 is melted by heating with a fixed burner 52 installed to the ceiling 56 of the furnace, and then, molten slag 25a is discharged to a discharge port 57. In addition, a cracking machine 10 is installed to the ash supplying port 54 and a cracking machine control system 20 which monitors and controls the melting state of the ash in the furnace is provided.