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1. 发明专利

JPH07252577A HYDROGEN OCCLUDING MATERIAL 失效
公开(公告)号：JPH07252577A
公开(公告)日：1995-10-03
申请号：JP4006194
申请日：1994-03-10
申请人： NIPPON STEEL CORP
发明人： SAITO TAICHI , SATO TAKERO
IPC分类号： B22F1/00 , C22C1/00 , C22C14/00 , C22C28/00 , F17C11/00 , H01M4/38
摘要： PURPOSE:To produce a hydrogen occluding material capable of making a hydrogen storage alloy easy to flow. CONSTITUTION:This is a hydrogen occluding material obtainable by mixing >=two kinds of hydrogen occluding alloys, and in which a rare earth-based hydrogen storage alloy having 1 to 20mum average grain size and a rare earth- based hydrogen storage alloy or a titanium-based hydrogen storage alloy having 60 to 200mum average grain size are mixed. The ratio of the hydrogen storage alloy of 60 to 200mum is regulated to 0.2

2. 发明专利

JPH06249400A HYDROGEN STORAGE ALLOY HOLDING CONTAINER 失效
公开(公告)号：JPH06249400A
公开(公告)日：1994-09-06
申请号：JP4094393
申请日：1993-03-02
申请人： NIPPON STEEL CORP
发明人： SAITO TAICHI , SATO TAKERO , IIDA HIROSHI
IPC分类号： F17C11/00
摘要： PURPOSE:To provide a hydrogen storage alloy holding container having a heating medium support body which is capable of suppressing the generation of vibration of a heating medium pipe in a container. CONSTITUTION:A hydrogen storage alloy holding container comprises a holding container to hold a hydrogen storage alloy; a heating medium pipe 4 installed in the holding container; an input port and an output port for a heating medium; and an input output port for hydrogen gas. In the hydrogen storage alloy holding container, the thickness of the cross section of the end part of a heating medium pipe support body 31 to hold a heating medium pipe 4 is increased to a value three or more times as large as that of the heating medium pipe support body 31. Further, a heating medium pipe fixing tool in a shape sized enough to fill a space between the heating medium pipe support body 31 and the heating medium pipe 4 therewith is inserted. The use of the container causes safe operation of a hydrogen storage discharge device using vibration and expectation of great contribution to a system, such as the hydrogen storage device, a hydrogen refining device, and an actuator.

3. 发明专利

JPH03294790A OPERATION OF HEAT ACCUMULATION TYPE HEAT EXCHANGER FOR HOT HEATING GAS CONTAINING HYDROCARBON 失效
公开(公告)号：JPH03294790A
公开(公告)日：1991-12-25
申请号：JP9500090
申请日：1990-04-12
申请人： NIPPON STEEL CORP
发明人： SATO TAKERO , SUZUKI HIROYUKI , KOTSURU HIROYUKI , KAWAMURA TAKAFUMI , SAKAKIBARA MICHIAKI
IPC分类号： F28D17/02 , C10J3/72
摘要： PURPOSE:To provide an efficient and safe operating method for a thermal accumulative heat exchanger for heating gas containing hydrocarbon for purging combustible gas in a heat accumulation chamber by removing carbon adhered to anh inner side of a furnace by a method wherein the carbon adhered to the inner side of the furnace is removed with discharging combustion gas of high partial oxygen pressure as well as its heat accumulation and when a combustion is changed over to an air blowing and when the air blowing is changed over to the combustion, a low calorie gas is ignited to make a purged gas and a combustion gas temperature at the time of combustion and another combustion gas tempera ture at the time of purging are approximately equal to each other in a range of about 1000 to 1500 deg.C. CONSTITUTION:A heat exchanger is comprised of a heat accumulation chamber 1 having some checker bricks piled up and stored therein and a combustion chamber 4 having a combus tion gas supplying port 2 and a combustion air supplying port 3. Domes 5 and 6 disposed at upper parts of both chambers are communicated by a communication pipe 7. At the lower portion of the heat accumulation chamber 1, a combustion gas discharging pipe 8 leading to a chimney and an air blowing gas supplying pipe 9 are connected. In turn, a combustion chamber 4 has chimney passage 10 communicating with a hot air pipe for supplying blown gas to a target furnace. Gas heating furnace Nos. 1 and 2 are operated to repeat a heating operation and an air blowing operation alternatively. When the combustion is changed over to the air blowing and the air blowing is changed over to the combustion, low calorie gas is ignited to make purged gas and then a combustion gas temperature at the combustion time and another combustion gas temperature at the purging time are made approximately the same to each other in a temperature range of 1000 to 1500 deg.C.

4. 发明专利

JPH03294788A REMOVAL OF GENERATED CARBON IN HEAT ACCUMULATION TYPE HEAT EXCHANGER FOR HEATING GAS CONTAINING HYDROCARBON 失效
公开(公告)号：JPH03294788A
公开(公告)日：1991-12-25
申请号：JP9499890
申请日：1990-04-12
申请人： NIPPON STEEL CORP
发明人： SATO TAKERO , SUZUKI HIROYUKI , KOTSURU HIROYUKI , KAWAMURA TAKAFUMI , SAKAKIBARA MICHIAKI
IPC分类号： F28D17/02 , C10J3/72
摘要： PURPOSE:To enable an amount of oxygen contained in discharging gas to be increased and perform an efficient removal of soot adhered to an air blowing system by a method wherein a partial pressure of oxygen in combustion gas is specified during thermal combustion heat accumulation and then an operation is carried out to get a specified range of doom temperature. CONSTITUTION:A gas heating furnace is comprised of a heat accumulation chamber 1 having some checker bricks piled up and stored therein and of a combustion chamber 4 having a combustion gas supplying port 2 and a combustion air supplying port 3. Domes 5 and 6 disposed at the upper portions of both chambers are communicated by a communicating pipe 7. When a gas heating furnace is operated such that a value of 1500 deg.C of an allowable upper limit value of dome refractory bricks is an upper limit dome temperature of combustion gas (theoretical combustion temperature) and a value of 1000 deg.C is a lower limit value in view of an efficiency of heat accumulation, an amount of oxygen in the combustion gas at the dome part having the aforesain temperature range should be more than 6% in order to remove carbon (soot) adhered to the communication pipe 7 and a chimney 13 as well as domes 5 and 6 with various gases.

5. 发明专利

JPH02267210A METHOD FOR REDUCING IRON FUME IN IRON BATH FURNACE BLOWING OXYGEN 失效
公开(公告)号：JPH02267210A
公开(公告)日：1990-11-01
申请号：JP8659689
申请日：1989-04-05
申请人： NIPPON STEEL CORP
发明人： SATO TAKERO , SONODA TOMOTADA , SEGUCHI TARO , UEDA KENICHI
IPC分类号： C21C5/38
摘要： PURPOSE:To reduce iron fume with extremely easy means by blowing water of less than the specific wt. per unit O2 vol. as liquid state together with O2 stream against the high temp. point at the time of executing refining, etc., of molten iron by blowing O2 toward the bath surface from upper part of the iron bath surface. CONSTITUTION:In an iron melting furnace 1, O2 is blown through a blowing lance 4 from the upper part of the molten iron surface 2 to execute the refining of the molten iron 2 and reduction of iron ore, etc. In this case, the water of =100g/Nm O2 as liquid state together with O2 stream, are blown against the high temp. point from cooling water copper pipe 6. By this method, a little quantity of water is used as coolant and the development of the iron fume in the iron melting furnace is easily reduced with a low cost method.

6. 发明专利

JPH09112855A METHOD FOR PURIFYING EXHAUST GAS IN MELTING TYPE MUNICIPAL INCINERATOR 失效
公开(公告)号：JPH09112855A
公开(公告)日：1997-05-02
申请号：JP29382595
申请日：1995-10-18
申请人： NIPPON STEEL CORP
发明人： SATO TAKERO
IPC分类号： F23G5/00 , F23G7/00 , F23J15/00 , F23J15/02
摘要： PROBLEM TO BE SOLVED: To remove by adsorption hazardous substances contained in exhaust gas by separating and collecting char contained in combustible gas produced by a melting furnace and blowing the char into the exhaust gas after the combustible gas has been subjected to combustion treatment. SOLUTION: Gas produced in a furnace 1 is a combustible gas containing carbon monoxide, hydrogen and hydrocarbon. Because of an atmosphere which contains almost no oxygen the char thus generated contains a large amount of carbon. The char is composed of carbonized paper, wood and garbage in crude waste, which have been formed by subjecting to carbonization and scattered by an ascending gas within the furnace. Almost all of the char is collected by a cyclone 2. The char has fine holes and a specific surface and functions as an adsorbent by increasing the amount of usage. The char is blown through a blowing position where temperature of gas is 30 deg.C or lower and contaminants on a surface of the char is not evaporated. The contaminants on the surface of the char is removed and purification of exhaust gas is implemented.

7. 发明专利

JPH06117780A EQUIPMENT FOR DISPOSING OF EXHAUST GAS FROM ELECTRIC FURNACE OR SCRAP-PREHEATING APPARATUS THEREFOR 失效
公开(公告)号：JPH06117780A
公开(公告)日：1994-04-28
申请号：JP26471992
申请日：1992-10-02
申请人： NIPPON STEEL CORP
发明人： TAKAHASHI MAKOTO , ARIMITSU ISAO , IIDA HIROSHI , SATO TAKERO
IPC分类号： F27B3/10 , F23G7/06 , F27D13/00 , F27D17/00
摘要： PURPOSE:To safely remove aromatic chlorine compounds and so on in exhaust gas, by a method wherein the exhaust gas heated by burning is maintained in a heat-maintaining chamber, is introduced into a gas cooler, and is directly cooled with spray water, and powderlike slaked lime and so on are blown into the exhaust gas, following which the slaked lime and so on are caught through a bag filter. CONSTITUTION:Exhaust gas from an electric furnace 1 is introduced into a combustion apparatus 5 by mixing through a duct 2, is heated by being mixed with burner-burnt gas and is maintained under a high-temperature condition thereof in a heat-maintaining chamber 7. The exhaust gas discharged from the heat-maintaining chamber 7 is introduced into a gas cooler 8 and is directly cooled with water particles splayed from a splay nozzle 9. Furthermore, fine particles such as slaked lime are blown into the exhaust gas by an adsorbent- feeding apparatus 10 and are allowed to absorb aromatic chlorine compounds remaining in the exhaust gas and to catch together with dust in the exhaust gas through a bag filter 11. In addition, heat-exchangers each are provided on an exhaust gas duct from the heat- maintaining chamber 7 and on another exhaust gas duct ranging from the electric furnace 1 or a scrap-preheating apparatus therefor to the combustion apparatus 5 by mixing or the combustion apparatus 5.

8. 发明专利

JPH0650498A HYDROGEN STORING AND EMITTING DEVICE 失效
公开(公告)号：JPH0650498A
公开(公告)日：1994-02-22
申请号：JP20686992
申请日：1992-08-03
申请人： NIPPON STEEL CORP
发明人： SAITO TAICHI , SATO TAKERO
IPC分类号： F17C11/00
摘要： PURPOSE:To provide an uniform axial flow of hydrogen storage alloy by arranging a hydrogen storage alloy holding container having ports for introducing and discharging hydrogen gas, on a vibration bed provided with a vibrating motor, through the intermediary of a vibration transmitting medium. CONSTITUTION:A hydrogen storage alloy holding container 1 stores therein hydrogen storage alloy 2, and incorporates a hydrogen introducing valve 6 which can be closed through a filter 3, and a heat medium pipe line through which heat medium for heating or cooling the alloy. In this arrangement, the container 1 is supported on a vibration bed 10 which is vibrated by a vibrating motor 7 and supported by a base through springs 9,..., through the intermediary of a vibration transmitting medium 8. When the container 1 is heated which it is vibrated by driving the motor 7, the hydrogen is emitted. Accordingly, the uniform axial flow of the hydrogen storage alloy is ensured, thereby it is possible to rapidly emit hydrogen.

9. 发明专利

JPH04331702A HYDROGEN GENERATION FROM METAL HYDRIDE 失效
公开(公告)号：JPH04331702A
公开(公告)日：1992-11-19
申请号：JP9927891
申请日：1991-04-30
申请人： NIPPON STEEL CORP
发明人： SATO TAKERO
IPC分类号： C01B3/00
摘要： PURPOSE:To reduce the power (e.g. electric power) required for the vibration and fluidization of a MH(metal hydride) to promote hydrogen generation from or occlusion into the MH. CONSTITUTION:A vibrator 3 to be driven by gaseous pressure is set up at the hydrogen channel from a MH container 1, and a vibration is generated with a hydrogen gas generated and is transmitted to the container 1 to promote the heat exchange ability between MH powder 2 and a housed heat exchanger 4. The present invention has made the power for driving a vibrator needless.

10. 发明专利

JPH03281597A QUICK THERMAL DECOMPOSITION OF COAL AND APPARATUS THEREFOR 失效
公开(公告)号：JPH03281597A
公开(公告)日：1991-12-12
申请号：JP8153490
申请日：1990-03-28
申请人： NIPPON STEEL CORP
发明人： SUZUKI HIROYUKI , SATO TAKERO , KAWAMURA TAKAFUMI , KOTSURU HIROYUKI , SAKAKIBARA MICHIAKI
IPC分类号： C10J3/72 , C10G1/02
摘要： PURPOSE:To control the residence time of supplied particles in a reaction furnace by providing a nozzle having a slantly directing hot gas-supplying hole on the circumference of a powdered coal-supplying hole opened at the center of a thermal decomposition reaction furnace and controlling the supplying condition of the hot gas. CONSTITUTION:Powdered stock coal is thermally decomposed by contacting with a hot gas in a reaction furnace 1. A hole 32 for supplying powdered coal is opened at the center of the reaction furnace 1 and one or more holes 31 for supplying hot gas are opened in slant directions on the circumference of the coal-supplying hole. The supplying condition of the hot gas is controlled e.g. by adjusting the total area of the supplying holes 31 to control the residence time of supplied particles in the reaction furnace 1.

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