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1. 发明申请

WO2008018774A1 APPARATUS FOR MANUFACTURING MOLTEN IRONS AND METHOD FOR MANUFACTURING MOLTEN IRONS USING THE SAME 审中-公开
标题翻译：用于制造轧制钢的装置和使用其制造轧制铁的方法
公开(公告)号：WO2008018774A1
公开(公告)日：2008-02-14
申请号：PCT/KR2007/003852
申请日：2007-08-10
申请人： POSCO , HUR, Nam-Suk , LEE, Hoo-Geun , KIM, Hak-Dong , BAE, Jin-Chan , KIM, Hang-Goo , SHIN, Myoung-Kyun
发明人： HUR, Nam-Suk , LEE, Hoo-Geun , KIM, Hak-Dong , BAE, Jin-Chan , KIM, Hang-Goo , SHIN, Myoung-Kyun
IPC分类号： C21B13/00
CPC分类号： C21B13/143 , C21B13/0013 , C21B13/002 , C21B13/0086 , C21B2100/282 , C21B2100/64 , F27B1/20 , Y02P10/136
摘要： The present invention relates to an apparatus for manufacturing molten irons and a method for manufacturing molten iron using the same. The method for manufacturing molten irons according to the present invention includes reducing first iron ores by charging the first iron ores into a fluidized-bed reduction reactor; manufacturing compacted irons by compacting the reduced first iron ores; reducing second iron ores together with the compacted irons by charging the second iron ores and the compacted irons into a packed-bed reduction reactor, a size of the second iron ores is greater than a size of the first iron ores; charging the reduced compacted irons and the second iron ores into a melter-gasifier connected to the packed-bed reduction reactor; preparing lumped carbonaceous materials as a heating source for melting the reduced compacted irons and the second iron ores; charging the lumped carbonaceous materials into the melter- gasifier and then forming a coal packed-bed; and injecting oxygen through a tuyere installed in the melter-gasifier and then manufacturing molten iron from the compacted irons and the second iron ores.
摘要翻译：本发明涉及一种用于制造铁水的设备以及使用该设备的铁水的制造方法。根据本发明的制造铁水的方法包括通过将第一铁矿石装入流化床还原反应器中来还原第一铁矿石; 通过压实减少的第一铁矿石来制造压实的熨斗; 通过将第二铁矿石和压实的熨斗装入填充床还原反应器中，将第二铁矿石与压实的熨斗一起减少，第二铁矿石的尺寸大于第一铁矿石的尺寸; 将还原的压实铁和第二铁矿石装入连接到填充床还原反应器的熔炉 - 气化器中; 制备集中的碳质材料作为用于熔化还原压实铁和第二铁矿石的加热源; 将集中的碳质材料装入熔炉 - 气化器中，然后形成煤填充床; 并且通过安装在熔炉 - 气化器中的风口喷射氧气，然后从压实的熨斗和第二铁矿石制造铁水。

2. 发明申请

WO2008075870A1 APPARATUS FOR GENERATING ENERGY USING A SENSIBLE HEAT DURING MANUFACTURING OF MOLTEN IRON AND METHOD FOR GENERATING ENERGY USING THE SAME 审中-公开
标题翻译：用于在制造钢铁时使用敏感热量产生能量的装置和使用其产生能量的方法
公开(公告)号：WO2008075870A1
公开(公告)日：2008-06-26
申请号：PCT/KR2007/006605
申请日：2007-12-17
申请人： POSCO , SIEMENS VAI METALS TECHNOLOGIES GMBH & CO. , SHIN, Myoung-Kyun , KIM, Sang-Hyun , PARK, Min-Chul , JOO, Sang-Hoon , MILLNER, Robert
发明人： SHIN, Myoung-Kyun , KIM, Sang-Hyun , PARK, Min-Chul , JOO, Sang-Hoon , MILLNER, Robert
IPC分类号： C21B13/06 , F01K7/00
CPC分类号： C21B13/143 , C21B13/002 , C21B2100/44 , C21B2100/62 , C21C2100/06
摘要： An apparatus for generating energy using sensible heat of an offgas during manufacture of molten iron and a method for generating energy using the same are provided. The method for generating energy includes i) providing an offgas discharged from an apparatus for manufacturing molten iron including a reduction reactor that provides reduced iron that is reduced from iron ore and a melter- gasifier that melts the reduced iron to manufacture molten iron; ii) converting cooling water into high pressure steam by contacting the cooling water with the offgas; and iii) generating energy from at least one steam turbine by supplying the high pressure steam to the steam turbine and rotating the steam turbine.
摘要翻译：提供一种在制造铁水期间利用排气的显热产生能量的装置以及使用该装置产生能量的方法。用于产生能量的方法包括：i）提供从用于制造铁水的设备排出的废气，其包括还原反应器，所述还原反应器提供从铁矿石还原的还原铁和将还原铁熔化以制造铁水的熔炉 - 气化器; ii）通过使冷却水与废气接触将冷却水转化成高压蒸汽; 以及iii）通过将高压蒸汽供应到所述蒸汽涡轮机并且旋转所述蒸汽轮机来从至少一个蒸汽轮机产生能量。

3. 发明申请

WO2007075024A1 APPARATUS FOR MANUFACTURING MOLTEN IRONS 审中-公开
标题翻译：制造铁丝网的装置
公开(公告)号：WO2007075024A1
公开(公告)日：2007-07-05
申请号：PCT/KR2006/005701
申请日：2006-12-26
申请人： POSCO , VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO , SHIN, Myoung-Kyun , KIM, Sang-Hyun , LEE, Jun-Hyuk , NAM, Kung-Won
发明人： SHIN, Myoung-Kyun , KIM, Sang-Hyun , LEE, Jun-Hyuk , NAM, Kung-Won
IPC分类号： G11B13/00
CPC分类号： C21B13/0073 , B01J8/0055 , B01J8/1818 , B01J8/1827 , B01J8/24 , B01J8/26 , B01J8/28 , B01J8/44 , B01J2208/00017 , B01J2208/00557 , B01J2208/00681 , B01J2219/0004 , C21B13/002 , C21B13/0033 , C21B13/143 , C21B2100/44 , F27B15/10
摘要： An apparatus for manufacturing molten iron according to an exemplary embodiment of the present invention includes i) at least one fluidized-bed reduction reactor that reduces and plasticizes iron ore and converts the iron ore into reduced materials, ii) a melter-gasifier into which the reduced ore is charged and oxygen is injected, the melter-gasifier manufacturing molten iron, and iii) a reducing gas supply line that supplies a reducing gas discharged from the melter-gasifier to the fluidized-bed reduction reactor. The fluidized-bed reduction reactor includes a cyclone that is installed in the fluidized-bed reduction reactor to collect fine iron ore. A gas injector, which prevents the fine ore from adhering by injecting gas containing carbon, is connected to the cyclone.
摘要翻译：根据本发明的示例性实施例的用于制造铁水的设备包括：i）至少一个流化床还原反应器，其减少和塑化铁矿石并将铁矿石转化成还原材料，ii）熔化炉 - 气化器，其中还原矿石被注入并注入氧气，熔融炉气化器制造铁水，和iii）还原气体供应管线，其将从熔炉 - 气化炉排出的还原气体供应到流化床还原反应器。流化床还原反应器包括安装在流化床还原反应器中以收集细铁矿石的旋风分离器。通过注入含有碳的气体防止细矿石粘附的气体注入器连接到旋风分离器。

4. 发明申请

WO2007075023A1 METHOD FOR MANUFACTURING MOLTEN IRONS AND APPARATUS FOR MANUFACTURING MOLTEN IRONS 审中-公开
标题翻译：制造铁素体的方法和制造铁素体的装置
公开(公告)号：WO2007075023A1
公开(公告)日：2007-07-05
申请号：PCT/KR2006/005700
申请日：2006-12-26
申请人： POSCO , VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO , JEONG, Sun-Kwang , SHIN, Myoung-Kyun , CHO, Min-Young
发明人： JEONG, Sun-Kwang , SHIN, Myoung-Kyun , CHO, Min-Young
IPC分类号： C21B13/00
CPC分类号： C21B13/0033 , B01J8/0055 , B01J8/1818 , B01J8/1827 , B01J8/24 , B01J8/26 , B01J8/28 , B01J8/44 , B01J2208/00017 , B01J2208/00557 , B01J2219/0004 , C21B13/002 , C21B13/143 , F27B15/10 , Y02P10/136
摘要： The present invention relates to a method for manufacturing molten iron that improves charging and discharge of the fine iron ore, and an apparatus for manufacturing molten iron using the same. The apparatus for manufacturing molten iron according to an embodiment of the present invention includes i) at least one fluidized-bed reduction reactor that reduces fine iron ore and converts the fine iron ore into reduced iron, ii) a fine iron ore charging bin that supplies the fine iron ore to the fluidized-bed reduction reactor, iii) a fine iron ore charging line that directly connects the fine iron ore charging bin to each of the fluidized-bed reduction reactors, and directly charges the fine iron ore into each of the fluidized-bed reduction reactor, iv) a melter-gasifier into which lumped carbonaceous materials and the reduced iron are charged and oxygen is injected, the melter-gasifier manufacturing molten iron, and v) a reducing gas supply line that supplies a reducing gas discharged from the melter-gasifier to the fluidized-bed reduction reactor.
摘要翻译：本发明涉及一种改善铁矿石充填和排出的铁水的制造方法，以及使用该铁水的铁水的制造装置。根据本发明的实施方案的用于制造铁水的设备包括：i）至少一个流化床还原反应器，其减少细铁矿石并将细铁矿石转化为还原铁，ii）精细的铁矿石装料槽，其供应流化床还原反应器的细铁矿石，iii）细铁矿石填充线，其将细铁矿石装料槽直接连接到每个流化床还原反应器，并将细铁矿石直接装入每个流化床还原反应器，iv）熔融碳化物质和还原铁被加入并注入氧气的熔炉 - 气化器，制造熔融铁的熔化炉 - 气化器，和v）提供还原气体排出的还原气体供应管线从熔炉 - 气化器到流化床还原反应器。

5. 发明申请

WO2003025230A1 BYPRODUCT SLUDGE RECYCLING APPARATUS IN IRONMAKING SYSTEM 审中-公开
标题翻译：在制铁系统中的副产品回收设备
公开(公告)号：WO2003025230A1
公开(公告)日：2003-03-27
申请号：PCT/KR2002/001519
申请日：2002-08-09
申请人： POSCO , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
发明人： SHIN, Myoung-Kyun , JOO, Sang-Hoon , LEE, Jun-Hyuk
IPC分类号： C21B13/00
CPC分类号： C21B13/002 , C21B3/04 , C21B13/0033 , C21B2100/44 , C21B2100/66 , Y02P10/136 , Y02P10/216 , Y02W30/542
摘要： In an ironmaking system using non-coking coal and fine iron or directly in furnace operations without any additional treatment, a byproduct sludge recycling apparatus powders wet byproduct sludge which is by-produced in water treatment of discharge gas and then re-blows sludge powder into fluidized-bed reduction reactors so that byproduct sludge can be recycled. In the ironmaking system including the fluidized-bed reduction reactor (10, 20 and 30) and an HBI making apparatus (50), the byproduct sludge recycling apparatus (1) comprises: a sludge powder preparing unit (120) for preparing sludge powder by dewatering, drying and crushing byproduct sludge discharged from a water treatment unit (70) for treating process water from scrubbers (60) connected to discharge gas ducts (14); a storage unit (160, 160a) for storing prepared sludge powder; and a sludge powder feeder unit (190, 190a) for feeding sludge powder discharged from the sludge powder storage unit via a pneumatic conveying duct (200a, 200b) to a distributor (210a, 210b). The distributors (210) are connected to the final reduction reactor (30) and the preheating reactor (10), respectively, via sludge powder ducts (300 and 400) for blowing treated sludge powder. The invention reduces the amount of final sludge discharge and the treatment cost according to aftertreatment processes of sludge to enhance the productivity of the ironmaking system.
摘要翻译：在不使用非炼焦煤和细铁的炼铁系统中或直接进行炉膛操作而不进行任何额外的处理的副产品污泥回收设备中，将排放气体的水处理中副产的湿副产物污泥粉碎，然后将污泥粉末再次吹入流化床还原反应器，使得副产物污泥可以再循环。在包括流化床还原反应器（10,20和30）的炼铁系统和HBI制造设备（50）中，副产物污泥回收设备（1）包括：用于通过以下步骤制备污泥粉末的污泥粉末制备单元（120）脱水，干燥和破碎从水处理单元（70）排出的副产物污泥，用于处理与排放气体管道（14）连接的洗涤器（60）的处理水; 用于储存预备的污泥粉末的储存单元（160,160a）; 以及用于将通过气动输送管道（200a，200b）从污泥粉末储存单元排出的污泥粉末供给到分配器（210a，210b）的污泥粉末供给单元（190，190a）。分配器（210）通过污泥粉末管道（300和400）分别连接到最终还原反应器（30）和预热反应器（10），用于吹送经处理的污泥粉末。本发明根据污泥的后处理工艺减少最终污泥排放量和处理成本，以提高炼铁系统的生产率。

6. 发明申请

WO2008078938A1 APPARATUS FOR MANUFACTURING MOLTEN IRON AND METHOD FOR MANUFACTURING MOLTEN IRON 审中-公开
标题翻译：制造铁丝的装置及其制造方法
公开(公告)号：WO2008078938A1
公开(公告)日：2008-07-03
申请号：PCT/KR2007/006775
申请日：2007-12-24
申请人： POSCO , LEE, Jun-Hyuk , KIM, Hang-Goo , SHIN, Myoung-Kyun , CHO, Min-Young
发明人： LEE, Jun-Hyuk , KIM, Hang-Goo , SHIN, Myoung-Kyun , CHO, Min-Young
IPC分类号： C21B13/06
CPC分类号： C21B13/14 , C21B13/002 , C21B13/0033 , C21B13/0073 , C21B13/0086 , C21B13/02 , C21B2100/44 , C21B2100/60 , C21B2100/66 , C21B2300/02
摘要： An apparatus for manufacturing molten iron according to an embodiment of the present invention includes i) at least one fluidized-bed reduction reactor that reduces and plasticizes fine iron; ii) an apparatus for manufacturing compacted iron that molds the fine iron and manufactures compacted iron; iii) a melter-gasifier into which the compacted iron is charged and oxygen is injected; iv) a reducing gas supply line that supplies reducing gas discharged from the melter-gasifier to the fluidized-bed reduction reactor; and v) a fine particle injecting device that injects viscosity reducing materials into the reducing gas such that viscosity of dust contained in the reducing gas is reduced. The melter-gasifier manufactures molten iron.
摘要翻译：根据本发明的实施方案的用于制造铁水的设备包括：i）至少一种减少和增塑细铁的流化床还原反应器; ii）一种用于制造压制铁的装置，其将细铁制成并制造压实的铁; iii）熔化器 - 气化器，其中压实的铁被加入并注入氧气; iv）还原气体供应管线，其将从熔炉 - 气化器排出的还原气体供应到流化床还原反应器; 和v）将减粘材料注入到还原气体中以使还原气体中所含的粉尘的粘度降低的细粒子注入装置。熔炉 - 气化炉生产铁水。

7. 发明申请

WO2008078891A1 APPARATUS AND METHOD FOR MANUFACTURING MOLTEN IRON 审中-公开
标题翻译：装置及其制造方法
公开(公告)号：WO2008078891A1
公开(公告)日：2008-07-03
申请号：PCT/KR2007/006546
申请日：2007-12-14
申请人： POSCO , CHO, Min-Young , SHIN, Myoung-Kyun , KIM, Hang-Goo , LEE, Hoo-Geun , JOO, Sang-Hoon
发明人： CHO, Min-Young , SHIN, Myoung-Kyun , KIM, Hang-Goo , LEE, Hoo-Geun , JOO, Sang-Hoon
IPC分类号： C21B13/06 , C21B13/00
CPC分类号： C21B13/0033 , C21B13/002 , C21B13/0086 , C21B13/02 , C21B13/14 , C21B2100/22 , C21B2100/26 , C21B2100/282 , C21B2100/60 , C21B2100/66 , C21B2300/02 , Y02P10/216
摘要： The present invention relates to an apparatus and method for manufacturing molten iron while reusing an offgas of the packed bed reduction reactor and improving energy efficiency. A method for manufacturing molten iron includes i) charging fine ore into at least one fluidized-bed reduction reactor and manufacturing reduced iron; ii) compacting the reduced iron and manufacturing compacted reduced iron; iii) charging the reduced iron into a packed bed reduction reactor and reducing the reduced iron again; iv) charging the re-reduced iron into a melter-gasifier; v) charging lumped carbonaceous materials into the melter- gasifier and forming a coal packed bed in the melter-gasifier; vi) injecting oxygen into the melter-gasifier and combusting the coal packed bed, thereby melting the re-reduced iron and manufacturing molten iron; and vii) supplying an offgas that is discharged from the packed bed reduction reactor to the fluidized-bed reduction reactor.
摘要翻译：本发明涉及一种在重新利用填充床还原反应器的废气并提高能量效率的同时制造铁水的装置和方法。一种制造铁水的方法包括：i）将细矿石装入至少一个流化床还原反应器并制造还原铁; ii）压实还原铁，并制造压实的还原铁; iii）将还原铁装入填充床还原反应器中并再次还原还原铁; iv）将再还原的铁装入熔炉 - 气化器中; v）将熔融碳质材料装入熔炉 - 气化炉中并在熔炉 - 气化器中形成煤填充床; vi）将氧气注入熔炉 - 气化器中并燃烧煤填充床，从而熔化再还原的铁并制造铁水; 和vii）将从填充床还原反应器排出的废气供应到流化床还原反应器。

8. 发明申请

WO2007075022A1 APPARATUS FOR MANUFACTURING MOLTEN IRONS 审中-公开
标题翻译：用于制造钢铁的装置
公开(公告)号：WO2007075022A1
公开(公告)日：2007-07-05
申请号：PCT/KR2006/005699
申请日：2006-12-26
申请人： POSCO , VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO , CHO, Min-Young , KIM, Hang-Goo , SHIN, Myoung-Kyun , CHOI, Nag-Joon , NAM, Kung-Won , JEONG, Sun-Kwang , LEE, Jun-Hyuk
发明人： CHO, Min-Young , KIM, Hang-Goo , SHIN, Myoung-Kyun , CHOI, Nag-Joon , NAM, Kung-Won , JEONG, Sun-Kwang , LEE, Jun-Hyuk
IPC分类号： C21B13/00
CPC分类号： C21B13/0033 , B01J8/0055 , B01J8/1818 , B01J8/1827 , B01J8/24 , B01J8/26 , B01J8/28 , B01J8/44 , B01J2208/00017 , B01J2208/00557 , B01J2219/0004 , C21B13/002 , C21B13/143 , F27B15/08 , F27B15/10
摘要： An apparatus for manufacturing molten iron according to an exemplary embodiment of the present invention includes i) at least one fluidized-bed reduction reactor that converts iron ore into reduced materials by reducing and plasticizing the iron ore, ii) a melter-gasifier into which the reduced materials are charged and oxygen is injected such that the melter-gasifier manufactures molten iron, and iii) a reducing gas supply line that supplies a reducing gas discharged from the melter- gasifier into the fluidized-bed reduction reactor. The fluidized-bed reduction reactor includes a gas injector that injects a gas into the fluidized-bed reduction reactor to remove stagnating layers.
摘要翻译：根据本发明的示例性实施例的用于制造铁水的设备包括：i）至少一个流化床还原反应器，其通过减少和塑化铁矿石将铁矿石转化为还原材料，ii）熔化炉 - 气化器，其中减少的材料被充电并且注入氧气，使得熔融 - 气化器制造铁水，和iii）还原气体供应管线，其将从熔融气化器排出的还原气体供应到流化床还原反应器中。流化床还原反应器包括将气体注入流化床还原反应器以除去滞留层的气体注入器。

9. 发明申请

WO2004057038A1 AN APPARATUS FOR MANUFACTURING MOLTENS IRONS TO IMPROVE OPERATION OF FLUIDIZED BED TYPE REDUCTION APPARATUS AND MANUFACTURING METHOD USING THE SAME 审中-公开
标题翻译：制造薄膜铁的方法以改进流化床减少装置的操作和使用它们的制造方法
公开(公告)号：WO2004057038A1
公开(公告)日：2004-07-08
申请号：PCT/KR2003/002815
申请日：2003-12-23
申请人： POSCO , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH , SHIN, Myoung-Kyun , LEE, Jun-Hyuk
发明人： SHIN, Myoung-Kyun , LEE, Jun-Hyuk
IPC分类号： C21B13/00
CPC分类号： C21B13/0013 , C21B13/002 , C21B13/0033 , C21B13/0073 , C21B13/14 , C21B13/143 , C21B2100/44 , C21B2100/64 , Y02P10/136
摘要： The present invention relates to an apparatus and method for manufacturing molten iron. The method for manufacturing molten iron includes producing a mixture containing iron by drying and mixing iron-containing ore and additives; passing the mixture containing iron through one or more successively-connected fluidized beds so that the mixture is reduced and clacined to thereby perform conversion into a reduced material; forming a coal packed bed, which is a heat source in which the reduced material has been melted; charging the reduced material to the coal packed bed and supplying oxygen to the coal-packed bed to manufacture iron; and supplying reduced gas exhausted from the coal-packed bed to the fluidized bed, wherein in the conversion of the mixture to a reduced material, oxygen is directly supplied and combusted in an area where reduced gas flows to the fluidized bed. The apparatus for manufacturing molten iron of the present invention uses this method for manufacturing molten iron. Through use of the present invention, the reduced gas passing through the fluidized beds may be improved, and cohesion of the iron-containing fine ores may be prevented.
摘要翻译：本发明涉及一种用于制造铁水的设备和方法。制造铁水的方法包括通过干燥和混合含铁矿石和添加剂来生产含铁混合物; 使含有铁的混合物通过一个或多个连续连续的流化床，使得混合物被还原并压缩，从而进行还原材料的转化; 形成作为还原材料熔化的热源的煤填充床; 将还原材料装入煤填充床，向煤层供应氧气以制造铁; 以及将从所述填充床排出的还原气体供应到所述流化床，其中在将所述混合物转化为还原材料的过程中，将氧气直接供应并在减少的气体流向所述流化床的区域中燃烧。本发明的铁水制造装置采用这种铁水的制造方法。通过使用本发明，可以提高通过流化床的还原气体，并且可以防止含铁细矿石的内聚力。

10. 发明申请

WO2002088401A1 RECYCLING METHOD OF WASTE MATERIAL BY USING OF COAL BASED IRON MAKING PROCESS 审中-公开
标题翻译：通过使用基于煤的铁制造工艺的废料回收方法
公开(公告)号：WO2002088401A1
公开(公告)日：2002-11-07
申请号：PCT/KR2002/000785
申请日：2002-04-26
申请人： POSCO , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
发明人： CHO, Min-Young , LEE, Eun-Ho , SHIN, Myoung-Kyun , LEE, Jun-Hyuk , NAM KUNG, Won
IPC分类号： C21B13/00
CPC分类号： C21B13/002 , C21B13/14 , C21B2100/44 , Y02P10/216
摘要： Disclosed is a recycling method of waste material in a coal based iron making process by using a reduction-melting apparatus which includes a reduction furnace for reducing ore and supplementary raw material, a melter gasifier for reduction-melting reduced iron fed from the reduction furnace into hot metal, a cyclone for trapping fine dust in exhaust gas from the melter gasifier to circulate trapped fine dust to the melter gasifier and to feed exhaust gas cleared of fine dust as reduction gas to the reduction furnace, and a dust burner with one end connected to the cyclone and the other end connected to the melter gasifier and for executing melting condensation to and then blowing fine dust into the melting gasifier. The recycling method used in the coal based iron making process comprises the following steps of: collecting and drying waste material so that the total composition of T.Fe, C, CaO and MgO reaches at least 50wt%; sorting dried waste material to have a particle size of 5mm or less; and blowing sorted waste material into the melter gasifier with the dust burner.
摘要翻译：本发明公开了一种通过使用包括还原炉和还原原料的还原炉的还原熔炼装置的煤基炼铁方法中的废料的再循环方法，将从还原炉供给的还原铁还原熔融的熔化炉气化炉变成铁水金属，用于捕集来自熔化器气化器的废气中的细粉尘的旋风分离器，以将捕获的细尘循环到熔化炉气化器中，并将排出的细灰尘作为还原气体排放到还原炉中，并将一端连接到旋流器，另一端连接到熔化器气化器，并且用于执行熔融冷凝，然后将细粉尘吹入熔化气化器中。煤制铁工艺中采用的再循环方法包括以下步骤：收集和干燥废料，使铁，铁，CaO和MgO的总成分达到至少50wt％。将干燥的废料分选为具有5mm或更小的粒度; 并用灰尘燃烧器将分选的废料吹入熔化炉气化炉。

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