专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2009079289A Vertical furnace and method for operating the same 有权
标题翻译：垂直炉及其操作方法
公开(公告)号：JP2009079289A
公开(公告)日：2009-04-16
申请号：JP2008177087
申请日：2008-07-07
申请人： Kuettner Gmbh & Co Kg , Nippon Steel Corp , クットナーゲゼルシャフトミットベシュレンクテルハフツングウントコンパニーコマンディトゲゼルシャフト , 新日本製鐵株式会社
发明人： SHINOTAKE AKIHIKO , OMATSU YASUHIKO , NAITO MASAAKI , AKAGI KAZUSHI , NITTA NORIO , TSUBOTA ATSUSHI , KIKUCHI ZENETSU , MURASE SHIN , SUZUKI HIROYUKI , MATSUDA TSUYOSHI , LACHNER HANS JAAN , LEMPERLE MICHEL
IPC分类号： C21B11/02 , C22B7/02 , F27B1/14 , F27B1/16
CPC分类号： F27B1/14 , C21B7/06 , C21B7/20 , C21B11/02 , C21B13/0006 , C21B13/023 , C21C5/56 , F27B1/10 , F27B1/16 , F27B1/26 , F27D1/0006 , Y02P10/216
摘要： PROBLEM TO BE SOLVED: To provide a vertical furnace which can be inexpensively operated with high productivity by using a solid raw material containing a large amount of blast furnace coke, and to provide a method for operating the same. SOLUTION: This vertical furnace is a furnace for producing pig iron by charging an iron source having a high metal ratio of 95% or higher by average and a solid fuel containing 70 to 100 mass% of blast furnace coke in a layered form or a mixed form from the furnace top onto a bed of coke that has been charged in a lower part of the furnace, and melting the iron source by sending air through tuyeres in the lower part of the furnace; and sets (i) the distance from the lower face of the tuyere in the lowest stage in the direction of the furnace height to the upper face of the bottom plate of the furnace bottom is 0.7 times or longer of the furnace diameter at the position of the lower face of the tuyere, and (ii) the radiation heat of the furnace body per internal volume of the furnace in a height range from the shaft part to the bottom plate on the furnace bottom at 0.15 Mw/m 3 or less, which is calculated from the heat conductivities and thicknesses of lining refractories respectively applied onto a shaft part, a tuyere periphery, a wall portion on the furnace bottom side and the bottom plate on the furnace bottom. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种立式炉，其可以通过使用含有大量高炉焦炭的固体原料以高生产率廉价地操作，并提供其操作方法。解决方案：该立式炉是一种生产生铁的炉子，其中平均含有95％以上的高金属比例的铁源和含有70〜100质量％的高炉焦炭的固体燃料，或从炉顶到混合炉中的已经装入炉底部的焦炭床，并通过将炉子的下部的风嘴送出空气来熔化铁源; 并且设置（i）在炉底方向的最下段的风口的下表面与炉底的底板的上表面之间的距离为炉直径的0.7倍以上风口的下表面，和（ii）在炉子底部的从轴部到底板的高度范围内，炉内部体积的炉体的辐射热为0.15Mw / m 3， / SP>或更小，其由分别施加到轴部，风口周边，炉底侧的壁部和炉底的底板的衬里耐火材料的热导率和厚度计算。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009058190A Residual exhaust gas processing method and processing apparatus 有权
标题翻译：残留气体处理方法和处理装置
公开(公告)号：JP2009058190A
公开(公告)日：2009-03-19
申请号：JP2007226750
申请日：2007-08-31
申请人： Kuettner Gmbh & Co Kg , Nippon Steel Corp , クットナーゲゼルシャフトミットベシュレンクテルハフツングウントコンパニーコマンディトゲゼルシャフト , 新日本製鐵株式会社
发明人： OMATSU YASUHIKO , AKAGI KAZUSHI , SHINOTAKE AKIHIKO , NAITO MASAAKI , SOEJIMA HISANOBU , TSUBOTA ATSUSHI , KIKUCHI ZENETSU , SUZUKI HIROYUKI , LACHNER HANS JAAN , LEMPERLE MICHEL
IPC分类号： F27D17/00 , F23G7/06 , F23G7/08
CPC分类号： F23G7/06 , C21B11/02 , F23D14/82 , F23G7/08 , F23G7/085 , F27B1/10 , F27D17/008 , Y02P10/136
摘要： PROBLEM TO BE SOLVED: To provide a residual exhaust gas processing method and processing apparatus, achieving safe combustion and diffusion of residual exhaust gas containing combustible components to the air without a large-scale water sealing apparatus. SOLUTION: This method of processing exhaust gas containing combustible component remaining in an exhaust gas passage including an exhaust gas processing device when the operation of a vertical furnace is suspended or stopped, includes the steps of: (a) interrupting an exhaust gas passage between the vertical furnace and the exhaust gas processing device; (b) feeding nitrogen to the interior of the exhaust gas passage on the exhaust gas processing device side; (c) retaining the gas pressure in the exhaust gas passage to the positive pressure; and (d) performing combustion and diffusion at a flow velocity exceeding the back firing speed of CO and H 2 . COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种残留废气处理方法和处理装置，在没有大型水封装置的情况下，将含有可燃成分的残留废气的安全燃烧和扩散到空气中。解决方案：当垂直炉的操作被暂停或停止时，这种处理废气包含残留在包括排气处理装置的废气通道中的废气的方法包括以下步骤：（a）中断废气立式炉与废气处理装置之间的通道; （b）向排气处理装置侧的废气通道内部供给氮气; （c）将废气通道中的气体压力保持为正压; 和（d）以超过CO的后燃烧速度和H 2 的流速进行燃烧和扩散。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009079288A Vertical furnace 有权
标题翻译：垂直炉
公开(公告)号：JP2009079288A
公开(公告)日：2009-04-16
申请号：JP2008177041
申请日：2008-07-07
申请人： Kuettner Gmbh & Co Kg , Nippon Steel Corp , クットナーゲゼルシャフトミットベシュレンクテルハフツングウントコンパニーコマンディトゲゼルシャフト , 新日本製鐵株式会社
发明人： OMATSU YASUHIKO , SHINOTAKE AKIHIKO , AKAGI KAZUSHI , NAITO MASAAKI , TSUBOTA ATSUSHI , KIKUCHI ZENETSU , MURASE SHIN , LACHNER HANS JAAN , LEMPERLE MICHEL
IPC分类号： C21B11/02 , F27B1/20 , F27B1/28 , F27D21/00
CPC分类号： F27B1/20 , C21B7/20 , C21B11/02 , C21B13/0006 , C21C5/56 , F27B1/10 , F27D3/0027 , F27D3/0033 , F27D3/10
摘要： PROBLEM TO BE SOLVED: To provide a vertical furnace which can be efficiently and stably operated over a long period of time by charging raw materials and fuels, that have been sorted according to their properties, from its furnace top, depositing the loaded raw materials and fuels in a prescribed target area, preventing decrease in combustion efficiency η CO of a solid fuel and avoiding hanging. SOLUTION: The vertical furnace has a gas suction port on its peripheral wall at a furnace top part 3 and is operated while its furnace top part 3 is sealed with the raw materials and fuels present in an intra-furnace area above the gas suction port. The vertical furnace is equipped with: (i) a steel-made right cylinder 7, which partitions deposition regions of the charged raw materials and fuels, in a sealed zone in the furnace top part 3; and (ii) a raw material and fuel charging unit 11, which sorts the raw materials and fuels X and Y with different properties and charges them separately into areas inside and outside the right cylinder 7 in cooperation with the right cylinder 7, above the furnace top 3. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种可以通过从其炉顶装入根据其特性进行分类的原料和燃料，能够长时间高效稳定地运行的立式炉，原料和燃料，防止固体燃料的燃烧效率η CO 降低，避免悬挂。解决方案：立式炉在其炉顶部3的周壁上具有气体吸入口，并且在其炉顶部3被原料和存在于气体以上的炉内区域内的燃料密封的同时进行操作吸入口立式炉配备有：（i）在炉顶部3的密封区域中分隔带电原料和燃料的沉积区域的钢制右圆筒7; 和（ii）原料和燃料充填单元11，其将原料和燃料X和Y以不同的性质分类，并将它们分别加入到右气缸7的内部和外部的区域中，与右气缸7协同工作，在炉的上方版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2009079287A Method for operating vertical furnace 有权
标题翻译：操作垂直炉的方法
公开(公告)号：JP2009079287A
公开(公告)日：2009-04-16
申请号：JP2008176968
申请日：2008-07-07
申请人： Kuettner Gmbh & Co Kg , Nippon Steel Corp , クットナーゲゼルシャフトミットベシュレンクテルハフツングウントコンパニーコマンディトゲゼルシャフト , 新日本製鐵株式会社
发明人： SHINOTAKE AKIHIKO , OMATSU YASUHIKO , NAITO MASAAKI , AKAGI KAZUSHI , TSUBOTA ATSUSHI , KIKUCHI ZENETSU , MURASE SHIN , LACHNER HANS JAAN , LEMPERLE MICHEL
IPC分类号： C21B11/02 , C22B7/02
CPC分类号： C21B11/02 , C21B5/008 , C21B13/023 , C21B2200/00 , C21C5/562 , C21C2200/00 , C22B7/003 , C22B9/16 , F27B1/16 , F27B1/20 , Y02P10/216
摘要： PROBLEM TO BE SOLVED: To provide a method for efficiently and stably melting an iron source that contains a large amount of an iron scrap of thin sheets, for a long period of time, while inhibiting the base metal from depositing on a furnace wall, and preventing a bridging phenomenon, the increase in pressure loss and the aggravation in air permeability. SOLUTION: In a method for operating a vertical furnace by alternately charging the iron source which contains 50 to 90 mass% of the iron scrap of the thin sheets and coke onto a bed of coke that has been charged in a lower part of the furnace from the furnace top so that they form layers, and melting the iron source while sending air through tuyeres of the lower part of the furnace, this operation method includes the steps of: (a) dividing the iron scrap of the thin sheets into two parts so that the ratio of the iron scrap of the thin sheets after having been divided with respect to the whole quantity of the iron source becomes 50 mass% or less in both of the parts, for one charge in a raw material feeding bucket; (b) inserting at least any of raw materials among an iron scrap of thick plates, an iron source excluding iron scrap and coke, in an interval between the charges of the divided iron scraps of the thin sheets; and then (c) alternately charging the divided iron scraps of the thin sheets and any of the iron scrap of the thick plates, the iron source excluding the iron scrap and the coke so that they form layers, into the furnace through the raw material feeding bucket. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于高效稳定地熔化含有大量废铁薄铁片的铁源的方法，同时抑制贱金属沉积在炉子上防止桥接现象，压力损失的增加和透气性的恶化。解决方案：在用于操作立式炉的方法中，通过交替地将含有50-90质量％的薄片和焦炭的铁屑的铁源装载到已经装入下部的焦炭床上来自炉顶的炉，使得它们形成层，并且在通过炉下部的风嘴送空气的同时熔化铁源，该操作方法包括以下步骤：（a）将薄片的废铁分为两部分，使得原料进料斗中的一次装料在两部分中相对于铁源的总量分割后的薄片的铁屑的比例为50质量％以下。（b）在薄板的铁屑之间的间隔内，在厚板的铁屑，不包括废铁和焦炭的铁源中插入至少任何原料; 然后（c）交替地将薄片的分割铁屑和厚板的铁屑，不包括废铁的焦炭和焦炭形成层，通过原料进料加入炉中桶。版权所有（C）2009，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式