公开(公告)号：EP3649264B8

公开(公告)日：2024-08-21

申请号：EP18733654.0

申请日：2018-07-02

IPC分类号： C21B5/06 ,  F27B1/10

CPC分类号： C21B5/06 ,  F27B1/10

公开(公告)号：EP4409044A1

公开(公告)日：2024-08-07

申请号：EP23761939.0

申请日：2023-08-29

申请人： Paul Wurth S.A.

发明人： KINZEL, Klaus Peter ,  DIDELON, Fernand ,  BANIASADI, Mehdi ,  DELIKONSTANTIS, Evangelos ,  JI, Jihong

IPC分类号： C21B5/06 ,  C21B7/16 ,  F27B1/16

CPC分类号： C21B5/06 ,  C21B2100/2220170501 ,  C21B2100/2620170501 ,  C21B2100/2820170501 ,  C21B7/163

公开(公告)号：EP2278031B1

公开(公告)日：2018-09-12

申请号：EP09746694.0

申请日：2009-05-12

申请人： JFE Steel Corporation

发明人： TAKAGI, Katsuhiko ,  SAIMA, Hitoshi ,  MOGI, Yasuhiro ,  MIYOSHI, Yasuo

IPC分类号： C21C5/38 ,  C21C5/40 ,  F27B3/22 ,  F27D17/00 ,  F27D21/00 ,  B01D53/62 ,  C21B5/06 ,  C21C5/46

CPC分类号： F27D17/008 ,  B01D53/62 ,  B01D2251/208 ,  B01D2257/504 ,  B01D2258/025 ,  C21B5/06 ,  C21B2100/22 ,  C21B2100/64 ,  C21C5/38 ,  C21C5/4673 ,  C21C2100/02 ,  C21C2100/06 ,  Y02A50/2341 ,  Y02C10/04 ,  Y02P10/143 ,  Y02P10/265 ,  Y02P10/283

摘要： A reforming method of a metallurgical furnace generated exhaust gas, comprising reforming a high temperature exhaust gas discharged from a metallurgical furnace by adding a reducing agent to the gas, wherein addition of the reducing agent is initiated when an oxygen concentration in the exhaust gas is 1 vol% or less, and a reforming reaction is completed when a temperature of the exhaust gas is 800°C or higher, and an apparatus thereof. The reducing agent is blown from a reducing agent blowing nozzle having a double pipe structure. A cooling method of a metallurgical furnace generated exhaust gas, comprising adding a reducing agent to the high temperature exhaust gas to induce an endothermic reaction between the reducing agent and the carbon dioxide gas in the exhaust gas, and cooling the exhaust gas itself by the endothermic reaction, and an apparatus thereof.

公开(公告)号：EP2626439B1

公开(公告)日：2018-08-08

申请号：EP13167250.3

申请日：2009-03-17

申请人： JFE Steel Corporation

发明人： Nakagawa, Tsuguhiko ,  Haraoka, Takashi ,  Kishimoto, Akira ,  Nasu, Masaru ,  Ida, Hiroyuki

IPC分类号： C21B5/06 ,  B01D53/06 ,  B01D53/14 ,  B01D53/62 ,  C01B3/50 ,  C01B3/52 ,  C01B3/56 ,  C10K1/00 ,  B01D53/04 ,  B01D53/047

CPC分类号： B01D53/0407 ,  B01D53/047 ,  B01D53/06 ,  B01D2253/106 ,  B01D2253/108 ,  B01D2256/12 ,  B01D2256/16 ,  B01D2256/20 ,  B01D2256/24 ,  B01D2257/102 ,  B01D2257/504 ,  B01D2257/80 ,  B01D2258/025 ,  C01B3/501 ,  C01B3/52 ,  C01B3/56 ,  C01B2203/0405 ,  C01B2203/0415 ,  C01B2203/043 ,  C01B2203/0465 ,  C01B2203/0475 ,  C01B2203/06 ,  C01B2203/84 ,  C10K1/005 ,  C21B5/06 ,  C21B2100/282 ,  C21B2100/284 ,  F23L2900/07005 ,  F23R2900/00002 ,  Y02C10/04 ,  Y02C10/06 ,  Y02C10/08 ,  Y02E20/344 ,  Y02P10/122 ,  Y02P10/128 ,  Y02P10/132 ,  Y02P10/283 ,  Y02P10/34 ,  Y02P20/152

摘要： A method for separating a blast furnace gas includes the steps of: producing oxygen-enriched air having an oxygen concentration of at least 25 vol%, blowing the oxygen-enriched air into a blast furnace through a tuyere provided in a lower part of the blast furnace, and generating a reformed blast furnace gas by separating and removing carbon dioxide and nitrogen in a blast furnace gas discharged from a blast furnace top.

公开(公告)号：EP2253915B1

公开(公告)日：2018-06-27

申请号：EP09723188.0

申请日：2009-03-17

申请人： JFE Steel Corporation ,  Sumitomo Seika Chemicals Co., Ltd.

发明人： NAKAGAWA, Tsuguhiko ,  MOGI, Yasuhiro ,  HARAOKA, Takashi ,  KISHIMOTO, Akira ,  SAIMA, Hitoshi ,  SAKAI, Itaru ,  MIYAKE, Masanori ,  TAKATA, Yoshinori ,  SUMIDA, Toshihiko

IPC分类号： B01D53/047 ,  B01D53/62 ,  B01D53/82 ,  F27D17/00 ,  C10K1/08 ,  C10K1/32 ,  C21B5/06

CPC分类号： B01D53/82 ,  B01D53/04 ,  B01D53/047 ,  B01D2256/16 ,  B01D2256/20 ,  B01D2257/108 ,  B01D2257/404 ,  B01D2257/502 ,  B01D2257/504 ,  B01D2258/025 ,  B01D2259/403 ,  B01D2259/414 ,  B01D2259/4145 ,  C10K1/32 ,  C21B5/06 ,  C21B7/002 ,  C21B2100/28 ,  C21B2100/282 ,  C21B2100/284 ,  F27B1/10 ,  F27B1/18 ,  F27D17/001 ,  F27D17/008 ,  Y02C10/04 ,  Y02C10/06 ,  Y02C10/08 ,  Y02C10/10 ,  Y02P10/132 ,  Y02P10/265 ,  Y02P10/283 ,  Y02P20/132 ,  Y02P20/152

摘要： A blast furnace gas discharged from a blast furnace is separated into gases containing various components using two-stage gas separation and refinement apparatuses. First, the blast furnace gas is separated into a gas containing H 2 , N 2 , and an unavoidable impurity gas component, a gas containing N 2 and an unavoidable impurity gas component, a gas containing N 2 , CO, CO 2 , and an unavoidable impurity gas component, and a gas containing CO, CO 2 , and an unavoidable impurity gas component with a gas separation and refinement apparatus of a first stage. Then, of these separated gases, the gas containing CO, CO 2 , and the unavoidable impurity gas component is separated into a gas containing CO and an unavoidable impurity gas component, a gas containing CO 2 and an unavoidable impurity gas component, and a gas containing CO, CO 2 , and an unavoidable impurity gas component with a gas separation and refinement apparatus of a second stage.

公开(公告)号：EP2431484B1

公开(公告)日：2018-04-04

申请号：EP10780698.6

申请日：2010-05-28

申请人： JFE Steel Corporation

发明人： ASANUMA, Minoru ,  NOUCHI, Taihei ,  SATO, Takeshi ,  MURAO, Akinori ,  TAKEUCHI, Naoyuki

IPC分类号： C21B5/00 ,  C21B5/06

CPC分类号： C21B5/006 ,  C21B5/001 ,  C21B5/008 ,  C21B5/06 ,  Y02P10/283 ,  Y02P10/286

摘要： Provided is a method for operating a blast furnace, the method being capable of avoiding, particularly, a failure to heat a furnace top portion at low cost even in the case of performing a low-RAR operation (the reduction of carbon dioxide emissions). During the operation of a blast furnace using carbon iron composite as a portion of a charging material, one, two, or three of the injection temperature, injection rate, and vertical injection position of gas injected from a shaft portion are controlled in combination depending on a top gas temperature, whereby the decrease in temperature of the top gas is suppressed. Therefore, a failure to heat a furnace top portion can be avoided at low cost without significant capital investment even in the case of performing a low-RAR operation. Depending on the temperature of a shaft gas injected from the shaft portion, the vertical injection position of the shaft gas is adjusted to a position at which the inside temperature of the blast furnace is lower than the temperature of the shaft gas; hence, the inside of the blast furnace is not cooled by the shaft gas.

公开(公告)号：EP2426223B1

公开(公告)日：2016-11-23

申请号：EP10769861.5

申请日：2010-04-30

申请人： JFE Steel Corporation

发明人： ASANUMA, Minoru ,  NOUCHI, Taihei ,  FUJIBAYASHI, Akio ,  MURAO, Akinori

IPC分类号： C21B5/06 ,  C21B5/00 ,  F23C3/00

CPC分类号： F23C3/002 ,  C21B5/001 ,  C21B5/06 ,  C21B7/163 ,  C21B2100/44 ,  C21B2100/62 ,  F23C5/08 ,  F23D14/02 ,  F27B1/16 ,  Y02E20/344 ,  Y02P10/283 ,  Y02P10/34

公开(公告)号：EP3074541A1

公开(公告)日：2016-10-05

申请号：EP14808887.5

申请日：2014-11-27

申请人： CCP Technology GmbH

发明人： KÜHL, Olaf

IPC分类号： C21B5/00 ,  C21B5/06 ,  C21B7/00

CPC分类号： C21B5/06 ,  B01D53/62 ,  B01D53/84 ,  B01D53/8671 ,  B01D53/90 ,  B01D2251/20 ,  B01D2257/502 ,  B01D2257/504 ,  B01D2258/025 ,  C12M21/12 ,  C12M41/20 ,  C12M43/04 ,  C12M47/20 ,  C12P7/06 ,  C12P7/08 ,  C21B5/003 ,  C21B5/004 ,  C21B7/002 ,  C21B2005/005 ,  C21B2100/02 ,  C21B2100/22 ,  C21B2100/24 ,  C21B2100/282 ,  H01M8/0612 ,  H01M8/22 ,  H01M2250/10 ,  Y02A50/2358 ,  Y02B90/14 ,  Y02C10/02 ,  Y02C10/04 ,  Y02E50/17 ,  Y02P10/122 ,  Y02P10/128 ,  Y02P10/265 ,  Y02P10/283 ,  Y02P20/152 ,  Y02P20/59 ,  Y02P70/56

摘要： A process for processing metal ore includes: reducing a metal ore, particularly a metallic oxide, in a blast furnace shaft; producing furnace gas containing CO2, in the blast furnace shaft; discharging the furnace gas from the blast furnace shaft; directing at least a portion of the furnace gas directly or indirectly into a CO2-converter; and converting the CO2 contained in the furnace gas into an aerosol consisting of a carrier gas and C-particles in the CO2-converter in the presence of a stoichiometric surplus of C; directing at least a first portion of the aerosol from the CO2-converter into the blast furnace shaft; and introducing H2O into the blast furnace shaft. By virtue of the reaction C+H2O→CO2+2H, nascent hydrogen is produced in the blast furnace which causes rapid reduction of the metal ore. The speed of reduction of the metal ore is thus increased, and it is possible to increase either the throughput capacity of the blast furnace or to reduce the size of the blast furnace. An aerosol in the form of a fluid is easily introducible into the blast furnace shaft.

摘要翻译： 一种加工金属矿的方法包括：在高炉井中还原金属矿，特别是金属氧化物; 在高炉井中生产含CO 2的炉煤; 从高炉井排出炉煤气; 将至少一部分炉煤气直接或间接地引导到CO 2转化器中; 并且在化学计量过剩的C存在下，将CO 2气体中包含的CO 2转化成由CO 2转化器中的载气和C颗粒组成的气溶胶; 将来自CO 2转化器的至少一部分气溶胶引导到高炉炉中; 并将H 2 O引入鼓风炉轴。 由于C + H 2 O→CO 2 + 2H的反应，在高炉中产生新生氢，导致金属矿的快速还原。 因此，金属矿石的还原速度提高，可以提高高炉的生产能力或者减小高炉的尺寸。 流体形式的气溶胶很容易被引入高炉轴。

公开(公告)号：EP2751293B1

公开(公告)日：2015-03-11

申请号：EP12750579.0

申请日：2012-08-13

申请人： Paul Wurth S.A. ,  Paul Wurth Refractory & Engineering GmbH

发明人： ESCHMANN, Friedrich ,  ALLMANNSDÖRFER, Ralf ,  MÜNZER, Johannes ,  HEILHECKER, Sylvia ,  SIMOES, Jean-Paul

IPC分类号： C21B5/06 ,  C21B9/14

CPC分类号： C21B9/14 ,  C21B5/06 ,  C21B2100/02 ,  C21B2100/04 ,  C21B2100/06 ,  Y02P10/122 ,  Y02P10/126 ,  Y02P10/128 ,  Y02P10/132 ,  Y02P10/265 ,  Y02P10/283

摘要： In a blast furnace plant (10), at least three regenerative heaters (14.1, 14.2, 14.3) are cyclically operated on blast and on gas: while a regenerative heater is operated on gas, hot flue gas is produced and caused to flow through the regenerative heater so as to heat the heat storage elements (46); and while a regenerative heater is operated on blast, process gas (32), i.e. a CO-rich fraction of the top gas (16), is blown through the regenerative heater so that the process gas takes up heat from the heat storage elements. During a changeover of a regenerative heater from on-blast to on-gas operation, the regenerative heater is purged from process gas using flue gas collected after having flown through at least one of the regenerative heaters.

公开(公告)号：EP2791370A1

公开(公告)日：2014-10-22

申请号：EP12801584.9

申请日：2012-12-14

申请人： Paul Wurth S.A.

发明人： SOLVI, Marc ,  SCHMIT, Louis

IPC分类号： C21B3/08 ,  C21B5/06 ,  C21B7/00

CPC分类号： F04D25/045 ,  C21B3/08 ,  C21B5/06 ,  C21B7/002 ,  F05D2210/12 ,  F05D2260/20 ,  F27D17/004 ,  Y02P10/265 ,  Y02P10/283

摘要： The present invention describes a method for generating cold wind from slag heat, wherein the method comprises the following steps: a. preparation of hot, granulated slag, b. preparation of wet furnace gas, c. preheating of the wet furnace gas, as a result of which preheated furnace gas arises, d. heat transfer from the hot, granulated slag to the preheated furnace gas, wherein hot furnace gas arises, e. expansion of the hot furnace gas in a turbine, wherein energy is released and expanded furnace gas arises, f. use of the released energy to drive a cold wind condenser for condensing the cold wind, wherein a shaft is driven by the expansion of the hot furnace gas in a turbine, wherein this shaft drives the cold wind condenser and wherein the expanded furnace gas is used for preheating the wet furnace gas, as a result of which cold, expanded furnace gas arises.