KR100743189B1 - 용철 제조 장치 및 제조 방법 - Google Patents
용철 제조 장치 및 제조 방법 Download PDFInfo
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- KR100743189B1 KR100743189B1 KR1020050130096A KR20050130096A KR100743189B1 KR 100743189 B1 KR100743189 B1 KR 100743189B1 KR 1020050130096 A KR1020050130096 A KR 1020050130096A KR 20050130096 A KR20050130096 A KR 20050130096A KR 100743189 B1 KR100743189 B1 KR 100743189B1
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- gas
- molten iron
- cyclone
- reduction furnace
- blowing device
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 164
- 238000007664 blowing Methods 0.000 claims abstract description 78
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000004611 spectroscopical analysis Methods 0.000 claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 27
- 239000011261 inert gas Substances 0.000 claims abstract description 27
- 238000002309 gasification Methods 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000001354 calcination Methods 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 21
- 239000000155 melt Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 239000003245 coal Substances 0.000 description 13
- 230000003595 spectral effect Effects 0.000 description 13
- 239000002245 particle Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000571 coke Substances 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002575 gastroscopy Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/005—Separating solid material from the gas/liquid stream
- B01J8/0055—Separating solid material from the gas/liquid stream using cyclones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1818—Feeding of the fluidising gas
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- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1818—Feeding of the fluidising gas
- B01J8/1827—Feeding of the fluidising gas the fluidising gas being a reactant
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
- B01J8/28—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations the one above the other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/44—Fluidisation grids
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C21B13/002—Reduction of iron ores by passing through a heated column of carbon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- C21B13/143—Injection of partially reduced ore into a molten bath
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
- F27B15/02—Details, accessories or equipment specially adapted for furnaces of these types
- F27B15/10—Arrangements of air or gas supply devices
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- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
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- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00548—Flow
- B01J2208/00557—Flow controlling the residence time inside the reactor vessel
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- B01J2208/00008—Controlling the process
- B01J2208/00654—Controlling the process by measures relating to the particulate material
- B01J2208/00681—Agglomeration
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Abstract
Description
Claims (24)
- 분광 및 부원료를 환원 및 소성하여 환원체로 변환하는 하나 이상의 유동 환원로,상기 환원체를 장입하고, 내부에 산소를 취입하여 용철을 제조하는 용융 가스화로, 및상기 용융 가스화로에서 배출하는 환원 가스를 상기 유동 환원로에 공급하는 환원 가스 공급관을 포함하고,상기 유동 환원로는 그 내부에 배치되어 상기 분광을 포집하는 싸이클론을 포함하며,탄소 함유 가스를 취입하여 상기 분광의 점착을 방지하는 가스 취입 장치가 상기 싸이클론에 연결되고,상기 싸이클론의 상부에 배치되어 가스를 배출시키는 배가스 덕트, 및상기 싸이클론과 상기 배가스 덕트를 연결하는 플랜지를 더 포함하고,상기 가스 취입 장치는 상기 플랜지를 관통하며, 상기 싸이클론의 내부로 연결되는 가스 취입 도관을 포함하고,상기 싸이클론은,상기 분광을 포집하는 콘(cone)부, 및상기 콘부의 하단에 연결되어 포집된 상기 분광을 하부로 배출하는 딥레그(dip leg)부를 포함하고,상기 가스 취입 장치는 복수로 구비되며, 상기 딥레그부에 연결되는 용철 제조 장치.
- 제1 항에 있어서,상기 가스 취입 장치는 상기 유동 환원로의 상하 방향으로 상기 유동 환원로에 연결된 용철 제조 장치.
- 제2 항에 있어서,상기 가스 취입 장치는 상기 유동 환원로의 상부와 연결되는 용철 제조 장 치.
- 삭제
- 제1 항에 있어서,상기 가스 취입 도관은 상기 싸이클론을 나선형으로 감싸며 형성되는 용철 제조 장치.
- 제5 항에 있어서,상기 가스 취입 도관 중 일부는 스프링의 형태로 상기 싸이클론을 감싸며 형성되는 용철 제조 장치.
- 제1 항에 있어서,상기 유동 환원로는 상기 가스 취입 장치에 연결되어 상기 싸이클론의 내부에 비활성 기체를 공급하는 비활성 기체 공급 장치를 더 포함하는 용철 제조 장치.
- 제7 항에 있어서,상기 비활성 기체 공급 장치는 상기 가스 취입 장치에 연결되는 비활성 기체공급관, 및상기 비활성 기체 공급관을 주기적으로 개폐하는 자동 밸브를 포함하는 용철 제조 장치.
- 제7 항에 있어서,상기 비활성 기체는 질소(N2)인 용철 제조 장치.
- 삭제
- 제1 항에 있어서,상기 가스 취입 장치는,상기 콘부와 상기 딥레그부 사이의 연결 지점에 연결되는 제1 가스 취입 장치를 포함하는 용철 제조 장치.
- 제1 항에 있어서,상기 딥레그부의 하단에 연결되는 제2 가스 취입 장치를 포함하는 용철 제조 장치.
- 제1 항에 있어서,상기 콘부와 상기 딥레그부 사이의 연결 지점과 상기 딥레그부의 하단 사이에 기설정된 거리로 이격되어 연결되는 2개 이하의 제3 가스 취입 장치를 포함하는 용철 제조 장치.
- 제1 항에 있어서,상기 탄소 함유 가스는 메탄을 포함하는 용철 제조 장치.
- 제1 항에 있어서,상기 가스 취입 장치와 상기 싸이클론이 연결되는 부위에서 상기 가스의 유속은 4m/s 내지 8m/s인 용철 제조 장치.
- 제1 항에 있어서,상기 가스 취입 장치는 상기 유동 환원로 중 상기 용융 가스 환원로에 직접 연결된 유동 환원로에 설치된 용철 제조 장치.
- 유동 환원로에서 분광 및 부원료를 환원 및 소성하여 환원체로 변환하는 단계,상기 환원체를 용융 가스화로에 장입하고, 내부에 산소를 취입하는 단계,상기 용융 가스화로에서 배출하는 환원 가스를 상기 유동 환원로에 공급하는 단계,상기 유동 환원로의 내부에 배치된 싸이클론에서 상기 분광을 포집하는 단계, 및탄소 함유 가스를 상기 싸이클론의 내부로 취입하여 상기 분광의 점착을 방지하는 단계를 포함하고,상기 싸이클론은,상기 분광을 포집하는 콘(cone)부, 및상기 콘부의 하단에 연결되어 포집된 상기 분광을 하부로 배출하는 딥레그(dip leg)부를 포함하며,상기 탄소 함유 가스를 상기 딥레그부에 취입하는 용철 제조 방법.
- 제17 항에 있어서,상기 싸이클론의 내부에 비활성 기체를 공급하는 단계를 더 포함하는 용철 제조 방법.
- 제18 항에 있어서,상기 비활성 기체를 주기적으로 공급하는 용철 제조 방법.
- 제19 항에 있어서,상기 비활성 기체는 질소(N2)인 용철 제조 방법.
- 삭제
- 제17 항에 있어서,상기 콘부와 상기 딥레그부 사이의 연결 지점에 상기 탄소 함유 가스를 취입하고, 상기 딥레그부의 하단에 상기 탄소 함유 가스를 취입하며, 상기 콘부와 상기 딥레그부 사이의 연결 지점과 상기 딥레그부의 하단 사이에 기설정된 거리로 이격되어 연결되는 2개 이하의 지점에 상기 탄소 함유 가스를 취입하는 용철 제조 방법.
- 제17 항에 있어서,상기 탄소 함유 가스는 메탄을 포함하는 용철 제조 방법.
- 제17 항에 있어서,상기 탄소 함유 가스의 유속은 4m/s 내지 8m/s인 용철 제조 방법.
Priority Applications (12)
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KR1020050130096A KR100743189B1 (ko) | 2005-12-26 | 2005-12-26 | 용철 제조 장치 및 제조 방법 |
US12/158,839 US8052921B2 (en) | 2005-12-26 | 2006-12-26 | Apparatus for manufacturing molten irons |
CN2006800494768A CN101371306B (zh) | 2005-12-26 | 2006-12-26 | 用于制造熔融铁的设备 |
UAA200808194A UA88414C2 (ru) | 2005-12-26 | 2006-12-26 | Устройство для изготовления чугуна |
CA2635545A CA2635545C (en) | 2005-12-26 | 2006-12-26 | Apparatus for manufacturing molten irons |
PCT/KR2006/005701 WO2007075024A1 (en) | 2005-12-26 | 2006-12-26 | Apparatus for manufacturing molten irons |
RU2008125840/02A RU2395587C2 (ru) | 2005-12-26 | 2006-12-26 | Установка для получения расплавленного чугуна |
BRPI0620602A BRPI0620602B8 (pt) | 2005-12-26 | 2006-12-26 | equipamento de produção de ferro fundido |
JP2008548413A JP5007415B2 (ja) | 2005-12-26 | 2006-12-26 | 溶鉄製造装置 |
EP06835405A EP1977421B1 (en) | 2005-12-26 | 2006-12-26 | Apparatus for manufacturing molten irons |
AU2006330214A AU2006330214B2 (en) | 2005-12-26 | 2006-12-26 | Apparatus for manufacturing molten irons |
ZA200805547A ZA200805547B (en) | 2005-12-26 | 2008-06-25 | Apparatus for manufacturing molten irons |
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KR1020050130096A KR100743189B1 (ko) | 2005-12-26 | 2005-12-26 | 용철 제조 장치 및 제조 방법 |
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US (1) | US8052921B2 (ko) |
EP (1) | EP1977421B1 (ko) |
JP (1) | JP5007415B2 (ko) |
KR (1) | KR100743189B1 (ko) |
CN (1) | CN101371306B (ko) |
AU (1) | AU2006330214B2 (ko) |
BR (1) | BRPI0620602B8 (ko) |
CA (1) | CA2635545C (ko) |
RU (1) | RU2395587C2 (ko) |
UA (1) | UA88414C2 (ko) |
WO (1) | WO2007075024A1 (ko) |
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Cited By (2)
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KR100840234B1 (ko) | 2006-12-28 | 2008-06-20 | 주식회사 포스코 | 분광 유동환원장치 및 그 정지 방법 |
KR100840231B1 (ko) | 2006-12-26 | 2008-06-20 | 주식회사 포스코 | 용철 제조 장치 및 제조 방법 |
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JP7007256B2 (ja) * | 2015-03-31 | 2022-01-24 | ヘイザー グループ リミテッド | 炭化水素から水素及び黒鉛状炭素を生成するプロセス |
KR101697082B1 (ko) * | 2015-04-08 | 2017-01-17 | 주식회사 포스코 | 니켈 습식 제련공정의 부산물 회수장치 |
EP3341328A4 (en) | 2015-08-26 | 2019-06-05 | Hazer Group Limited | METHOD FOR CONTROLLING THE MORPHOLOGY OF GRAPHITE |
KR101977826B1 (ko) * | 2017-07-11 | 2019-05-13 | 주식회사 포스코 | 사이클론 막힘 방지장치 및 이를 구비한 유동환원로의 사이클론 |
KR102121909B1 (ko) * | 2017-12-26 | 2020-06-11 | 주식회사 포스코 | 유동환원로 내 광석 응집 방지 방법 및 그 장치 |
CN111989412A (zh) * | 2018-03-30 | 2020-11-24 | 塔塔钢铁荷兰科技有限责任公司 | 金属熔炼装置中废气组成控制的方法 |
CN110496573A (zh) * | 2019-09-11 | 2019-11-26 | 哈尔滨理工大学 | 一种对接式流化床反应器 |
CN110926228B (zh) * | 2019-10-31 | 2021-04-27 | 中冶宝钢技术服务有限公司 | 高炉用下料流调节阀的拆装装置及拆装方法 |
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- 2006-12-26 CN CN2006800494768A patent/CN101371306B/zh not_active Expired - Fee Related
- 2006-12-26 US US12/158,839 patent/US8052921B2/en active Active
- 2006-12-26 WO PCT/KR2006/005701 patent/WO2007075024A1/en active Application Filing
- 2006-12-26 UA UAA200808194A patent/UA88414C2/ru unknown
- 2006-12-26 EP EP06835405A patent/EP1977421B1/en not_active Not-in-force
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- 2006-12-26 AU AU2006330214A patent/AU2006330214B2/en not_active Ceased
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Also Published As
Publication number | Publication date |
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EP1977421A4 (en) | 2010-12-29 |
BRPI0620602A2 (pt) | 2012-07-31 |
CA2635545C (en) | 2014-02-18 |
RU2395587C2 (ru) | 2010-07-27 |
RU2008125840A (ru) | 2010-02-10 |
WO2007075024A1 (en) | 2007-07-05 |
AU2006330214A1 (en) | 2007-07-05 |
UA88414C2 (ru) | 2009-10-12 |
CA2635545A1 (en) | 2007-07-05 |
ZA200805547B (en) | 2009-05-27 |
JP2009521606A (ja) | 2009-06-04 |
CN101371306A (zh) | 2009-02-18 |
JP5007415B2 (ja) | 2012-08-22 |
US8052921B2 (en) | 2011-11-08 |
EP1977421B1 (en) | 2012-11-14 |
US20080277842A1 (en) | 2008-11-13 |
BRPI0620602B1 (pt) | 2019-03-26 |
BRPI0620602B8 (pt) | 2020-01-28 |
KR20070068218A (ko) | 2007-06-29 |
CN101371306B (zh) | 2012-04-04 |
EP1977421A1 (en) | 2008-10-08 |
AU2006330214B2 (en) | 2010-10-28 |
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