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    • 1. 发明专利
    • Apparatus for producing hydrogen
    • 生产氢气的装置
    • JP2006282460A
    • 2006-10-19
    • JP2005105090
    • 2005-03-31
    • Osaka Gas Co Ltd大阪瓦斯株式会社
    • TANAKA TOYOKAZUHIRANAKA YUKIOASAKURA TAKAAKIMORI MICHITSUGU
    • C01B3/56B01D53/04C01B3/38
    • PROBLEM TO BE SOLVED: To provide an apparatus for producing hydrogen capable of supplying an off-gas to equipment for using an off-gas at a stable pressure regardless of a process executed in a hydrogen purification column by making only a small improvement to a conventional apparatus. SOLUTION: The apparatus for producing hydrogen comprises hydrogen purification columns 1-3, an off-gas tank 13 for storing an off-gas, and equipment for using an off-gas 15, wherein an off-gas exhaust valve 14 is provided in off-gas exhaust paths 11, 11a-11c for connecting the hydrogen purification columns 1-3 to the off-gas tank 13; a pressure reducing valve 17a is provided in an off-gas supply path 16 for connecting the off-gas tank 13 to the equipment for using an off-gas 15; and an off-gas bypass valve 19 is provided in an off-gas bypass path 18 which bypasses the pressure reducing valve 17a and connects the off-gas exhaust path 11 to the off-gas supply path 16. In addition, a second pressure valve 17b is provided in the off-gas supply path 16 downstream of the connection point of the off-gas bypass path 18 and the off-gas supply path 16. COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:提供一种用于生产氢气的装置,其能够将氢气供给到用于使用稳定压力的废气的设备,而不管氢气净化塔中执行的工艺如何,仅通过小的改进 传统的装置。 解决方案:用于生产氢的装置包括氢气净化柱1-3,用于存储废气的废气箱13和用于使用废气15的设备,其中废气排放阀14是 设置在用于将氢净化柱1-3连接到废气箱13的排气通道11,11a-11c中; 减压阀17a设置在用于将废气箱13连接到使用废气15的设备的废气供给路径16中; 并且废气旁通阀19设置在旁通旁通路径18的旁路旁路路径18中,旁路通路18绕过减压阀17a并将排气通道11连接到废气供给路径16.此外,第二压力阀 17b设置在废气旁路路径18和废气供给路径16的连接点下游的废气供给路径16中。(C)2007,JPO&INPIT
    • 2. 发明专利
    • 水素製造装置、及び水素製造方法
    • 氢生产设备和氢生产方法
    • JP2015030655A
    • 2015-02-16
    • JP2013163512
    • 2013-08-06
    • 大阪瓦斯株式会社Osaka Gas Co Ltd
    • MURATA KAZUHIKOIKEDA KOICHIROTOYAMA YUJIHIRANAKA YUKIOMORI MICHITSUGUSHIMIZU TASUKU
    • C01B3/38C01B3/56
    • 【課題】その起動後に、直ちに、水素の供給及び製造を実行し得る水素製造装置、及び水素製造方法を提供する。【解決手段】外部から供給される燃料ガスを燃焼させて改質器を加熱する加熱手段14を備え、ガス流通路が、回路切り替えにより、圧送装置11、脱硫器12、改質器13、CO変成器17、及び水素精製部20a、20b、20cに循環させる閉循環回路Cに切替自在に構成され、水素の製造停止時において、加熱手段14による改質器13の加熱を維持すると共に、ガス流通路を閉循環回路Cに切り替えて、水素リッチガスを閉循環回路Cに通流させ温間保圧運転を実行する制御装置30を備える。【選択図】図1
    • 要解决的问题:提供一种能够在开始之后立即执行氢的供应和生产的氢气制备装置,并提供氢气制备方法。氢制造装置包括:加热装置14,用于通过以下方式加热重整器13 燃烧从外部供应的燃料气体。 气体流路被配置为自由切换到封闭循环回路C,通过该闭合循环回路C使富氢气体循环到强制进料装置11,脱硫器12,重整器13,CO转化器17和氢气净化 部件20a,20b,20c通过电路切换; 以及控制装置30,其通过加热装置14维持重整器13的加热,同时通过将气体流路切换到闭合循环回路C来使富氢气体流通,从而进行保温运转 封闭循环回路C,当氢的产生停止时。
    • 3. 发明专利
    • Furnace
    • JP2014189430A
    • 2014-10-06
    • JP2013064854
    • 2013-03-26
    • Osaka Gas Co Ltd大阪瓦斯株式会社
    • SHIMIZU TASUKUIKEDA KOICHIROMORI MICHITSUGU
    • C01B3/38
    • Y02P20/124
    • PROBLEM TO BE SOLVED: To provide a furnace having improved heating efficiency, with each of a plurality of heating tubes having improved uniformity of heating in the shaft center direction.SOLUTION: A furnace includes an outer periphery burner 5 disposed in a peripheral wall part 1a of a furnace body 1, and a central burner 6 disposed at a closed end 2c of a combustion cylinder 2 for injecting combustion gas Ge toward an open end 2o of the combustion cylinder 2. The combustion cylinder 2 is disposed as inner radiation cylinder 7, for emitting radiation heat from the outer peripheral surface. Between a circular column 4L of heating tubes composed of a plurality of heating tubes 4 arranged in a circular form and the inner radiation cylinder 7, an outer radiation cylinder 8 in a cylindrical shape having an inner diameter larger than the outer diameter of the inner radiation cylinder 7 is disposed concentrically or approximately concentrically with the furnace body 1, in a state of extending from an open end 7o to both sides of shaft center direction of the inner radiation cylinder 7. Relative to the open end 7o of the inner radiation tube 7 in the outer radiation cylinder 8, the end on the external side in the shaft center direction of the inner radiation tube 7 is closed with an outer radiation cylinder closing member 30.
    • 要解决的问题:提供一种具有提高的加热效率的炉子,多个加热管中的每一个在轴中心方向具有提高的加热均匀性。解决方案:炉包括设置在周壁部1a中的外周燃烧器5 炉体1的中心燃烧器6和设置在燃烧气缸2的封闭端2c的中央燃烧器6,用于将燃烧气体Ge朝向燃烧气缸2的开口端2o喷射。燃烧气缸2配置为内辐射筒7, 用于从外周表面发射辐射热。 在由多个以圆形形式布置的加热管4和内部辐射筒7组成的加热管的圆柱体4L之间,具有内径大于内部辐射外径的圆柱形外部辐射筒8 气缸7在从内部辐射筒7的轴心方向的开口端70o向两侧延伸的状态下与炉体1同心地或大致同心地配置。相对于内侧辐射管7的开口端70 在外辐射筒8中,内辐射管7的轴中心方向上的外侧的端部被外辐射筒闭合部件30封闭。
    • 6. 发明专利
    • Hydrogen producing apparatus and its driving method
    • 氢生产设备及其驱动方法
    • JP2005289709A
    • 2005-10-20
    • JP2004106063
    • 2004-03-31
    • Osaka Gas Co Ltd大阪瓦斯株式会社
    • ASAKURA TAKAAKIMORI MICHITSUGUTANAKA TOYOKAZU
    • C01B3/38C01B3/48C01B3/56C10K1/32C10K3/04
    • PROBLEM TO BE SOLVED: To provide a hydrogen producing apparatus and its driving method to reduce the time of starting operation by using a starting gas and thereby, to improve the efficiency of hydrogen production.
      SOLUTION: The apparatus is equipped with: a reformer 5 to make hydrocarbon gas as a source material react with steam at a high temperature to reform into hydrogen-rich gas; a modifier 6 to modify carbon monoxide in the hydrogen-rich gas from the reformer 5 into carbon dioxide; a hydrogen refining apparatus 9 to refine the hydrogen-rich gas from the modifier 6 into high-purity hydrogen; and a heat exchanger 4 to preheat the hydrocarbon gas by the hydrogen-rich gas from the reformer 5. The apparatus is also provided with a bypass passage 11 between the reformer 5 and the modifier 6 to bypass the heat exchanger 4.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供一种通过使用起始气体来减少起动时间的氢气制造装置及其驱动方法,从而提高制氢效率。 解决方案:该装置配备有:使作为源材料的烃气体在高温下与蒸汽反应以重整成富氢气体的重整器5; 改性剂6,将来自重整器5的富氢气体中的一氧化碳改性为二氧化碳; 精炼装置9,将来自改性剂6的富氢气体精制成高纯度氢气; 以及热交换器4,用于通过来自重整器5的富氢气体来预热烃气。该设备还在重整器5和改性器6之间设置有旁通通道11,以绕过热交换器4。 (C)2006,JPO&NCIPI
    • 7. 发明专利
    • Catalyst composition for preparing fuel gas
    • 用于制备燃料气体的催化剂组合物
    • JPS59112840A
    • 1984-06-29
    • JP22170482
    • 1982-12-16
    • Osaka Gas Co Ltd
    • ITSUPONMATSU MASAMICHITAKAMI SUSUMUMORI MICHITSUGUKUROKI KATSUYUKI
    • C01B3/32B01J23/40B01J35/10C01B3/40
    • Y02P20/52
    • PURPOSE: To develop the activity of the catalyst used in preparing fuel gas to a max. degree, by supporting a catalytically active metal by a carrier of which the pore volume of a macro-pore having a specific pore size occupies in a specific ratio or more on the basis of the total pore volume.
      CONSTITUTION: A catalytically active metal (e.g., Pt) is supported by a carrier (e.g., SiO
      2 ) of which the pore volume of a macro-pore having a pore size of 100W10,000Å occupies 40% or more on the basis of the total pore volume. In this case, the total pore volume of the carrier is pref. adjusted to about 0.6W 1.5cc/g. In using this catalyst, the necessary amount of the catalyst metal to be supported is reduced to a large extent because the diffusion speed of reactive substance in the pores of the catalyst is remarkably increased. In addition, when the supported metal amount is equal, the deterioration speed of the catalyst is lowered to a large extent.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:开发用于制备燃料气体的催化剂活性最大。 通过由具有特定孔径的大孔的孔体积基于总孔体积占特定比例以上的载体担载催化活性金属的程度。 构成:催化活性金属(例如Pt)由载体(例如SiO 2)负载,其中孔径为100-10,000埃的大孔的孔体积基于 总孔体积。 在这种情况下,载体的总孔体积是最佳的。 调节至约0.6-1.5cc / g。 在使用该催化剂时,由于反应物质在催化剂的气孔中的扩散速度显着增加,所以必需量的催化剂金属被大量的还原。 此外,当负载金属量相等时,催化剂的劣化速度在很大程度上降低。