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21. 发明专利

JPS62227022A PREHEATING AND REDUCING DEVICE FOR IRON ORE 失效
公开(公告)号：JPS62227022A
公开(公告)日：1987-10-06
申请号：JP7157686
申请日：1986-03-28
申请人： NIPPON STEEL CORP
发明人： HAYASHI YOICHI , NISHIHARA NOBUYOSHI , EGASHIRA TATSUHIKO , NAKAMURA MASAKAZU , KATAYAMA TSUTOMU
IPC分类号： F27B15/00 , C21B13/00 , C21B13/14
摘要： PURPOSE:To efficiently preheat and reduce a granular raw material without splashing to the outside of the system by combining a suspension preheater, fluidized bed preheating furnace, fluidized bed preliminary reduction furnace and out-of-furnace circulation system to constitute a preheating and reducing device for powdery iron ore. CONSTITUTION:The powdery iron ore 1 and limestone 2 are preheated by the suspension preheater consisting of a high-temp. exhaust gas flue 24, a piping 25 and a multi-stage cyclone 26 of the fluidized bed preheating furnace 3. The coarse grains directly enter the preheating furnace 3 and the pulverized powder is recovered in the cyclone 26 via a piping 25 by the exhaust gas and flows into the preheating furnace 3. Coal 7 and air 5 from the furnace bottom are blown into the preheating furnace 3 to burn the above-mentioned raw material, by which the raw material is heated and decarbonized. The quicklime formed in such a manner is introduced into the fluidized bed preliminary reduction furnace 6 where the iron ore is preliminarily reduced by the reducing exhaust gas from the melt reduction furnace 10. The pulverized powder is recovered and preliminarily reduced by the outside circulation system 33 including the cyclone 34. The powder is heated by a pulverized coal burner 39 in the final fluidized bed preliminary reduction furnace 6. The coarse grained raw material 41 and pulverized powder raw material 40 are supplied by respective feeders to the melt reduction furnace 10. The iron ore and other raw materials are preliminarily reduced and heated at a good raw material yield and thermal efficiency.

22. 发明专利

JPS61145286A TREATMENT OF COKE POWDER IN DRY COKE QUENCHING INSTALLATION 失效
公开(公告)号：JPS61145286A
公开(公告)日：1986-07-02
申请号：JP26725884
申请日：1984-12-18
申请人： NIPPON STEEL CORP
发明人： EGASHIRA TATSUHIKO , NISHIHARA NOBUYOSHI
IPC分类号： C10B39/02
摘要： PURPOSE:To collect a combustible material in a high-temp. circulation gas after cooling coke, to recover heat by burning it in a two-stage fluid layer furnace, to mix a part of a hot gas with the high-temp. circulation gas and to subject a part of a cold gas from a heat exchanger to effectuation treatment such as temp. control for the fluid layer. CONSTITUTION:A dry coke equenching installation is so constituted that high- temp. coke is cooled in a circulation gas and a combustible material is removed from the circulation gas by a dust collector 2, 12 after cooling coke, and sensible heat is recovered by a heat exchanger 16, 22. The combustible material collected by the dust collector is burned in a fluid layer furnace 6 constituted of a fluid layer combustion zone and a combustion zone thereabove provided with a sub heat exchanger 22 in the free board. A part of the combustion heat is recovered by the sub-heat exchanger 22 and a hot gas evolved from the furnace 6 is mixed with the high-temp. circulation gas prior to entering the heat exchanger 16. A part of a cold circulation gas coming out of the heat exchanger 16 is blown into the furnace 6 to control the temp. of the fluid layer.

23. 发明专利

JPS5924183A Device for recovering heat of granular slag 失效
标题翻译：用于回收颗粒滑石热的装置
公开(公告)号：JPS5924183A
公开(公告)日：1984-02-07
申请号：JP13305382
申请日：1982-07-30
申请人： Nippon Steel Corp
发明人： KATOU HIDEO , FUKAMACHI KUNIO , TAKAKU NOBORU , OOHASHI TAKAO , EGASHIRA TATSUHIKO
IPC分类号： F27D15/02 , F27D15/00 , F27D17/00

24. 发明专利

JPS5924179A Device for recovering heat of granular slag 失效
公开(公告)号：JPS5924179A
公开(公告)日：1984-02-07
申请号：JP13117882
申请日：1982-07-29
申请人： Nippon Steel Corp
发明人： EGASHIRA TATSUHIKO , MURANAKA MASANOBU , NISHIHARA NOBUYOSHI , KATOU HIDEO
IPC分类号： F27D15/02 , F27D15/00 , F27D17/00

25. 发明专利

JPS58168887A DEVICE FOR RECOVERING HEAT OF GRANULAR SLAG 失效
公开(公告)号：JPS58168887A
公开(公告)日：1983-10-05
申请号：JP5105482
申请日：1982-03-31
申请人： NIPPON STEEL CORP
发明人： EGASHIRA TATSUHIKO , SAKAKIBARA MICHIAKI , KATOU HIDEO
IPC分类号： F27D17/00

26. 发明专利

JP2002309262A CHAR TREATMENT APPARATUS FOR COAL GASIFICATION OVEN 失效
公开(公告)号：JP2002309262A
公开(公告)日：2002-10-23
申请号：JP2001112023
申请日：2001-04-10
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 , MASUI MASAKI
IPC分类号： C10J3/02 , C10B49/04 , C10J3/46 , C10J3/54
摘要： PROBLEM TO BE SOLVED: To supply char to a gasification oven without using an expensive heat-resistant material in a char supply pipeline system and without lowering the thermal efficiency of the pipeline system. SOLUTION: Unburned char scattering from a gasification oven is collected at a high temperature with a cyclone 6; the collected high-temperature unburned char is cooled with a primary cooler 7 to 400 deg.C or lower to recover heat. The cooled unburned char is separated into recycle char and recovery char. The recycle char is blown together with an oxidizing agent into the gasification oven. The recover char is cooled with a secondary cooler 12 to recover heat. The recovery char after the heat recovery is discharged out of the system.

27. 发明专利

JP2002302683A CHAR-COOLING EQUIPMENT FOR GASIFICATION FACILITIES 失效
公开(公告)号：JP2002302683A
公开(公告)日：2002-10-18
申请号：JP2001107720
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： C10J3/46
摘要： PROBLEM TO BE SOLVED: To provide a char-cooling equipment for gasification facilities, which can prevent bridging of char in it. SOLUTION: In a char-cooling equipment 1 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 equipment, and cool the char thus-separated by heat- transfer tubes 1b arranged in the char-cooling equipment 1, a fluidizing-gas introducing equipment 3 is provided to introduce a fluidizing gas for fluidizing char inside the char-cooling equipment 1 from below the heat-transfer tubes 1b.

28. 发明专利

JP2001271072A COAL GASIFICATION APPARATUS 失效
公开(公告)号：JP2001271072A
公开(公告)日：2001-10-02
申请号：JP2000084918
申请日：2000-03-24
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： MASUI MASAKI , EGASHIRA TATSUHIKO
IPC分类号： C10J3/46 , C10J3/48
摘要： PROBLEM TO BE SOLVED: To provide a coal gasification furnace having a water-cooling wall with a reduced required pressure capacity to make the pressure control in the water-cooling wall unnecessary, and to reduce the installation cost, and having reliability by simplifying the operation. SOLUTION: This coal gasification apparatus has the coal gasification furnace 1 having a water-cooling jacket 14 having a gasification furnace 4 and a degradation furnace 3, and arranged in a pressurizing vessel 2. The water-cooling jacket 14 is the one having overflow parts 15 for overflowing the cooling water, installed in the pressurizing vessel 2 side.

29. 发明专利

JP2001220588A COAL GASIFICATION EQUIPMENT 失效
公开(公告)号：JP2001220588A
公开(公告)日：2001-08-14
申请号：JP2000029020
申请日：2000-02-07
申请人： NIPPON STEEL CORP
发明人： EGASHIRA TATSUHIKO , FUJIKAWA ATSUSHI
IPC分类号： C10J3/54 , C10J3/56 , C10J3/72
摘要： PROBLEM TO BE SOLVED: To provide a coal gasification equipment which enables the simultaneous temperature raise of its heat recover apparatus with is furnace, a considerable shortening of time temperature raise and a reduction of the capacity of its stating burner. SOLUTION: The coal gasification equipment has a heat decomposition furnace 1 and a gasification furnace 2. The gas produced in the heat decomposition furnace 1 is sent to a solid-gas separation apparatus 9 to recover the solid content. The gas out of the solid-gas separation apparatus 9 is sent to a heat recovery apparatus 10, in which a heat medium oil is circulated, to recover the heat. A heating burner 12 for the heat medium oil is fixed to the gas inlet side of the heat recovery apparatus 10 to heat the medium oil raise its temperature at the starting-up.

30. 发明专利

JP2000290665A PRETREATMENT OF COAL AND FACILITY THEREFOR 失效
公开(公告)号：JP2000290665A
公开(公告)日：2000-10-17
申请号：JP9824299
申请日：1999-04-05
申请人： NIPPON STEEL CORP
发明人： EGASHIRA TATSUHIKO
IPC分类号： C10B47/00 , C10B57/02 , C10B57/08 , C10B57/10
摘要： PROBLEM TO BE SOLVED: To provide a coal-treating method for production of coke, capable of preventing concentration of tar content and coal powder in circulation gas of a quick heating process, lowering the acidic gas concentration impairing the quality of heated coal and carrying out a heat treatment in a reducing gas atmosphere and facility therefor. SOLUTION: Hot air generated in a hot air generating furnace 2 is blown into a drying classifier 1 to dry coal and the dried crude particles and fine powder are rapidly heated in stream heating towers 8-1 and 8-2 to pyrolyze the crude particles and fine powder and the resultant gas is separated by solid- gas separators 9-1 and 9-2 and the separated gas is circulated through a circulation line 10 into a stream heating tower to carry out a drying treatment of coal for production of coke. A fuel gas is blown from a fuel gas-blowing line 11 into a circulation gas of the circulation line 10 and a part thereof is circulated into the stream heating towers 8-1 and 8-2 and a part thereof is fed to a burner 13 for hot air-generating furnace 2 by a gas feed line 12.

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