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1. 发明专利

JP2002302681A CHAR-COOLING EQUIPMENT FOR GASIFICATION FACILITIES 失效
公开(公告)号：JP2002302681A
公开(公告)日：2002-10-18
申请号：JP2001107717
申请日：2001-04-05
申请人： NIPPON STEEL CORP , SUMITOMO METAL IND , KAWASAKI STEEL CO , NIPPON KOKAN KK , KOBE STEEL LTD
发明人： FUJIKAWA ATSUSHI , EGASHIRA TATSUHIKO
IPC分类号： C10J3/00 , C10J3/02 , C10K1/02
摘要： PROBLEM TO BE SOLVED: To provide a char-cooling equipment for gasification facilities, which can prevent bridging of a large mass of char. SOLUTION: In a char-cooling equipment 1b for gasification facilities, which gasifys a carbonaceous material in a gasification furnace and a thermal cracking furnace provided therein, separates the gas generated in the gasification furnace and the thermal cracking furnace into a char and a gas at a high temperature in a solid-gas separating device, and cools the char thus-separated by heat- transfer tubes 1b arranged in the char-cooling equipment 1, openings for blowing the gas into the interior of the char-cooling equipment are provided on the side wall of the char-cooling equipment, and a gas blowing equipment is provided, which blows the gas intermittently in the horizontal direction from the openings 3.

2. 发明专利

JPH11279567A Apparatus for cooling char of coal gasifying equipment 失效
标题翻译：煤炭气化设备冷却装置
公开(公告)号：JPH11279567A
公开(公告)日：1999-10-12
申请号：JP7999598
申请日：1998-03-26
申请人： Kawasaki Steel Corp , Kobe Steel Ltd , Nippon Steel Corp , Nkk Corp , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 川崎製鉄株式会社 , 新日本製鐵株式会社 , 日本鋼管株式会社 , 株式会社神戸製鋼所
发明人： EGASHIRA TATSUHIKO , FUJIKAWA ATSUSHI , MASUI MASAKI , KOTSURU HIROYUKI
IPC分类号： C10J3/46 , C10J3/48 , C10J3/50
摘要： PROBLEM TO BE SOLVED: To prevent adhesion and hanging of char due to dew formation of tar or moisture in a refrigerator by mounting a heat exchanger tube for cooling char with a refrigerant in an inner portion of the refrigerator for cooling char which is recovered by a solid-liquid separation apparatus of a coal gasifying equipment having a gasifying furnace for gasifying coal and a carbonic material.
SOLUTION: A coal-gasifying apparatus comprises a gasifying furnace 1, a thermal cracking furnace 2, a cyclone 6, a char hopper 7, a char-cooling apparatus 10 and a char conveying system 12. A heat exchanger tube 14 which cools char with a refrigerant is mounted in an inner portion of a char-cooling apparatus 10 of this equipment and a temperature of a refrigerant passing through a heat exchanger tube is preferably controlled at a temperature not less than a water dew point or a tar dew point of gas introduced with the char into the char cooling apparatus (A scraper is mounted on an upper portion of the heat exchanger 14; the heat exchanger tube 14 has a rotary structure; or the heat exchanger tube 14 has a back and forth and right and left movable structure to effectively remove the char).
COPYRIGHT: (C)1999,JPO
摘要翻译：要解决的问题：为了防止冰箱内的焦油或水分的结晶形成焦炭和水分的粘附和悬挂，在冷藏库的内部安装用于冷却焦炭的制冷剂的热交换管，用于冷却焦炭具有气化煤气化炉和碳质材料的煤气化设备的固液分离装置。解决方案：煤气化装置包括气化炉1，热裂解炉2，旋风分离器6，焦炭料斗7，焦炭冷却装置10和炭输送系统12.一种热交换器管14，制冷剂安装在该设备的焦炭冷却装置10的内部，并且通过热交换器管的制冷剂的温度优选控制在不低于水露点或焦油露点的温度在焦炭冷却装置中引入炭（刮板安装在热交换器14的上部;热交换器管14具有旋转结构;或者热交换器管14具有前后左右可动结构有效地去除了char）。

3. 发明专利

JPH10265785A INSTALLATION FOR GASIFYING COAL 失效
公开(公告)号：JPH10265785A
公开(公告)日：1998-10-06
申请号：JP7425897
申请日：1997-03-26
申请人： NIPPON STEEL CORP
发明人： EGASHIRA TATSUHIKO , FUJIKAWA ATSUSHI
IPC分类号： C10J3/46 , C10J3/48 , C10J3/52
摘要： PROBLEM TO BE SOLVED: To provide a coal-gasifying installation shortened in startup time, improved in restartup ability and reduced in heat loss by movably or detachably disposing a gasification oven-heating burner upwardly producing a flame in a combustion chamber disposed between the gasification oven and a cooling water hopper. SOLUTION: A gasification burner 7 for a gasification oven 1 is disposed in combustion chamber 2 placed between the gasification oven 1 for partially burning coal and a carbonaceous solid with an oxidizing agent to gasify the raw materials and converting ash into a melted slag and a cooling water hopper 3 for granulating the melted slag flowed down from the gasification oven 1 with water. A combustion flame from the burner 7 is upwardly blown out to heat a slag tap 5 and the gasification oven 1 on the startup of the coal-gasifying installation, and the burner 7 is movably or detachably disposed so as to be not exposed to the melted slag flowed down from the gasification oven 1.

4. 发明专利

JPH09194922A NOZZLE FOR SUPPLYING REDUCED GAS IN FLUIDIZED BED REDUCING APPARATUS 失效
公开(公告)号：JPH09194922A
公开(公告)日：1997-07-29
申请号：JP776696
申请日：1996-01-19
申请人： NIPPON STEEL CORP
发明人： EGASHIRA TATSUHIKO
IPC分类号： C21B11/00 , C21B13/00 , F27B15/10
摘要： PROBLEM TO BE SOLVED: To prevent the sticking of reduced particles to a nozzle by lining a heat insulating material on the outer peripheral part of the nozzle for supplying reducing gas and cooling the outer peripheral part of the heat insulating material to a prescribed temp. SOLUTION: Only by lining the heat insulating material 13 on the nozzle 12 for supplying the reducing gas, the outer surface temp. of the heat insulating material 13 is at the reducing particle temp. or higher and exceeds about 700 deg.C at which the reduced particles have sticking property, consequently, the sticking of the reducing particles to the nozzle 12 can not be prevented. Then, cooling grooves 14 are formed around the heat insulating material 13 and water cooling or air cooling is executed so that the furnace outer shell temp. at the outermost peripheral part of the nozzle 12 in contact with reduced particles becomes

5. 发明专利

JPH06221514A PRESSURE REGULATING MECHANISM IN DISCHARGED PARTICLE COOLING VESSEL FOR CIRCULATING FLUIDIZED BED DEVICE 失效
公开(公告)号：JPH06221514A
公开(公告)日：1994-08-09
申请号：JP933693
申请日：1993-01-22
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： FURUTA MASAKAZU , HIURA FUMIAKI , EGASHIRA TATSUHIKO , YAMAMOTO TETSUAKI , TAKEI YOSHIO , FUJITA GENJI
IPC分类号： F23C10/18 , F23C10/02 , F23C11/02
摘要： PURPOSE:To permit safe operation of whole of the title device by preventing spouting of particles upon discharging the particles from the bottom of a circulating fluidized bed device into a coling vessel. CONSTITUTION:A pressure regulating mechanism is provided in the discharged particles cooling vessel of a circulating fluidized bed device, constituted of a fluidized bed heat exchanger communicated with the guide-out passage of discharged particles from a fluidized bed forming section. A pressure regulating head is formed of a particles discharging pipe 74, of the discharged particles cooling vessel connected with a seal pipe 75 filled with the particles forming a fluidized bed and an opening degree regulating valve 76, regulating the opening degree of discharging valve positioned at the rear side of the discharging tube 74. According to this method, a pressure in the circulating fluidized bed and a pressure in the discarged particles cooling vessel can be equalized and the particles in the circulating fluidized bed can be discharged smoothly.

6. 发明专利

JPH06180186A GAS BLOWING DEVICE FOR CIRCULATION FLUIDIZED REDUCTION DEVICE 失效
公开(公告)号：JPH06180186A
公开(公告)日：1994-06-28
申请号：JP32963892
申请日：1992-12-09
申请人： NIPPON STEEL CORP
发明人： KUNITOMO KAZUYA , TAKAMOTO YASUSHI , EGASHIRA TATSUHIKO
IPC分类号： F27B15/10
摘要： PURPOSE:To perform uniform dispersion of reduction gas by a method wherein a solid gas separator and a downcommer are arranged in juxtaposition to a fluidized bed layer reduction furnace having a window box and the fluidized bed furnace is coupled to the window box through a gas introduction pipe in which an orifice is located. CONSTITUTION:Reduction gas 2 is introduced as main fluidized gas in a fluidized bed reduction furnace 1, charged with an iron ore, from a window box 4 through a plurality of gas introduction pipes 3. A reduction iron ore on which fluidized reduction is applied is separated at the upper part of the furnace away from gas by means of a solid gas separator 5. The reduction ore is fed to the lower part of the furnace through a downcommer 6 as it is circulated and a part of the reduction ore is taken out through a product reduction ore discharge port 7. Through the gas introduction pipe 3 has a plurality of introduction nozzles 3-1-3-3 supported by a support late 12, in this case, an orifice 11 having a pressure loss of not less than 20% is arranged to the nozzles 3-1-3-3. This constitution causes the increase of ventilation resistance during the passage of it through a pipe, and uniform dispersion of reduction gas to the nozzles 3-1-3-3.

7. 发明专利

JPH04301023A OPERATION METHOD FOR CIRCULATING FLUIDIZED BED REDUCTION APPARATUS 失效
公开(公告)号：JPH04301023A
公开(公告)日：1992-10-23
申请号：JP6684991
申请日：1991-03-29
申请人： NIPPON STEEL CORP
发明人： SUZUKI SATORU , KUNITOMO KAZUYA , EGASHIRA TATSUHIKO
IPC分类号： C21B11/00 , C21B13/00
摘要： PURPOSE:To avoid increase in energy cost accompanied with pulverization by returning fine powder and particles in fine powdery dust contained in exhaust gas from a reaction fluidized bed to fluidized bed and keeping particle size constitution of the fine powder in fluidized bed ore to the constant. CONSTITUTION:Carrier gas and the exhaust gas of a smelting reduction furnace are introduced from bottom part of a riser 1 to form the fluidized bed of raw material powdery ore 2 charged from upper part. The raw material ore 2 partially reduced by solid-gas reaction, is collected with a first cyclone 3 together with the exhaust gas and returned back to the riser 1 through a downcomer 4 and at the time of coming to the expected reducing condition, this is taken out from a product discharging hole 5. The exhaust gas from the first cyclone 3 is passed through a second cyclone 6 and the dust collected therein is returned back to the downcomer 4 through a recovery circulating passage 7. Successively, the exhaust gas in the second cyclone 6 recovers the fine powder with a high temp. dust collecting device 8, and the fine powder is collected with a distributing device 9 and the fine powder having

8. 发明专利

JPH0445215A STRUCTURE OF BOTTOM PART IN CIRCULATING FLUIDIZED BED REDUCTION FURNACE 失效
公开(公告)号：JPH0445215A
公开(公告)日：1992-02-14
申请号：JP15171790
申请日：1990-06-12
申请人： NIPPON STEEL CORP
发明人： EGASHIRA TATSUHIKO , SUZUKI SATORU , KUNITOMO KAZUYA
IPC分类号： C21B11/02 , F27B15/02
摘要： PURPOSE:To accelerate diffusion of reducing gas at lower part of a riser and to improve reducing efficiency and operatability by arranging a shield plate at tip part of a nozzle for supplying fluidized gas at bottom part in the furnace and fluidizing particles near the nozzle. CONSTITUTION:To the riser 1 constituting a fluidized bed reduction furnace 14, the external particle circulating device 15 constituted with a cyclone 4 and a downcomer 2, is parallelly arranged. The charged powdery ore is mixed with the circulated ore from a downcomer 2 in the riser 1, and fluidized with high temp. fluidized gas 9 from the nozzle 10 and a great part of the ore is reduced while circulatedly fluidizing. The shield plate 10-1 is fitted to the tip part of this nozzle 10 with feet 10-2, and by blowing the fluidized gas from an opening part 10-3 of this side face thereof, the particles near the nozzle 10 is accelerated and fluidized. Further, at the time of spouting the fluidized gas while bending the top part of nozzle 10 to the horizontal direction, circular flow is developed at lower part of the riser 1 and fluidity of the particles is made to further good condition.

9. 发明专利

JPH03100112A METHOD FOR OPERATING CIRCULATING FLUIDIZED REDUCTION FURNACE OF POWDERY ORE AND REDUCTION FURNACE 失效
公开(公告)号：JPH03100112A
公开(公告)日：1991-04-25
申请号：JP23963989
申请日：1989-09-14
申请人： NIPPON STEEL CORP
发明人： KUNITOMO KAZUYA , HAYASHI YOICHI , EGASHIRA TATSUHIKO , YAMAMOTO TETSUAKI
IPC分类号： C21B11/02 , C21B13/00
摘要： PURPOSE:To preven the variation of powdery ore level in a downtake tube and to improve the working efficiency of a fluidized reduction furnace by directly fitting a supplying device for powdery iron ore to the downtake tube in the circulating fluidized reduction furnace composed of an uptake cylinder and the downtake tube for the powdery iron ore. CONSTITUTION:At the time of pre-reducing the powdery iron ore in the circulating fluidized bed type pre-reduction furnace 10, the powdery iron ore 4 is charged from a lower charging hole 3 in the uptake cylinder 1 and pre-reduced in the solid phase with reducing gas 5 supplied from the lower part in the pre-reduction furnace 10, and the powdery ore separated from gas with a cyclone 6 is descended in the downtake tube 2. The reduced ore is discharged from an outlet 7 and unreducing powdery ore is again returned back in the uptake cylinder 1 and pre-reduced. In this case, when quantity of the circulating powdery ore in the downtake 2 becomes little, the reducing gas 5 blown into the uptake cylinder 1 is caused to flow into the downtake tube 2, and collecting efficiency of the cyclone 6 is reduced and the fluidized bed in the uptake cylinder 1 becomes unstable. Hereby, this condition is detected with a level meter 11, and the powdery ore in a hopper 13 is supplied into the downstream tube 2 from a powdery ore supplying device 9 arranged in the downtake tube 2, and blowby of the reducing gas 5 to the downtake tube 2 is prevented and the operational condition is stabilized.

10. 发明专利

JPH01247987A EXTERNAL CIRCULATION TYPE FLUIDIZED-BED FURNACE 失效
公开(公告)号：JPH01247987A
公开(公告)日：1989-10-03
申请号：JP7256988
申请日：1988-03-26
申请人： NIPPON STEEL CORP
发明人： EGASHIRA TATSUHIKO , SUZUKI SATORU , YAMAMOTO TETSUAKI
IPC分类号： F27B15/02
摘要： PURPOSE:To increase collecting efficiency and improve the distributing condition of granular bodies in a fluidized-bed furnace, by providing a plurality of down commers, equipped with cyclones respectively around a riser with equal spaces, is provided to collect the granular bodies and send them back to the riser. CONSTITUTION:Down commers 2a, 2b are provided around the riser 1 of a fluidized-bed furnace with equal spaces. Material powder ore 5 is charged from a charging pipe 6 and is fluidized in the riser 1 by reduction gas 7 from a blowing pipe 8. The powder ore is sent into cyclones 9a, 9b through delivery pipes 3a, 3b together with exhaust gas while separated powder ore is circulated into the riser 1 through the down commers 2a, 2b and introducing pipes 4a, 4b. One part of the reduction gas 7 is blown into pneumatic feeders 14a, 14b through branch pipes 15a, 15b to cut out the powder ore into the riser 1. Separating performance is improved by the miniaturization of the cyclone.

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