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WO2011071418A1 - Fonderie électrique de production d’acier - Google Patents

Fonderie électrique de production d’acier Download PDF

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Publication number
WO2011071418A1
WO2011071418A1 PCT/RU2010/000742 RU2010000742W WO2011071418A1 WO 2011071418 A1 WO2011071418 A1 WO 2011071418A1 RU 2010000742 W RU2010000742 W RU 2010000742W WO 2011071418 A1 WO2011071418 A1 WO 2011071418A1
Authority
WO
WIPO (PCT)
Prior art keywords
section
furnace
steel
sections
liquid metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/RU2010/000742
Other languages
English (en)
Russian (ru)
Inventor
Владимир Васильевич КУДРЯШОВ
Алексей Анатольевич ЧИБИСГУЛЕВ
Сергеи Александрович ИВАНОВ
Роман Анатольевич ДМИТРИЕВ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from RU2009145473/02A external-priority patent/RU2009145473A/ru
Application filed by Individual filed Critical Individual
Publication of WO2011071418A1 publication Critical patent/WO2011071418A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5294—General arrangement or layout of the electric melt shop
    • 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
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Definitions

  • the invention relates to the field of metallurgy and, in particular, to steelmaking.
  • a technological article production line is also known, containing a steel-smelting unit interconnected by crane and floor vehicles, an out-of-furnace metal processing section and a casting section (certificate for utility model N '21198 with a priority dated 02.10.2001 according to class MPK ⁇ 21 ⁇ 5 / 28).
  • the specified production lines are located in the workshops.
  • These workshops, as a rule, are carried out by three-span or four-span (the book of the authors L.E. Nikolsky, I.Yu. Zinurov “Equipment and design of electric arc furnaces. Moscow, Metallurgy, 1993.).
  • Three-span and four-span workshops have a number of common features.
  • charge and casting spans adjoin the furnace span.
  • An arc steelmaking furnace (or furnaces) is located on the border with the casting span and steel is released into a steel pouring ladle transported by an overhead crane.
  • the width of the charge span in the well-known three-span workshops is about 30 m
  • the furnace span is 20 m
  • the casting span is 21.5 m.
  • the total length of the workshops is 156 - 312 m.
  • the furnace span is served by four bridge cranes
  • the casting span is served by two casting cranes and three harvesting bridge by cranes.
  • the dimensions of the spans (width, height, length), the number and carrying capacity of cranes, as well as other equipment are determined by the productivity of the workshop, the capacity of one arc furnace, and their total number.
  • the main cargo flows are associated with ensuring the supply of scrap metal to the furnace, the supply and loading of slag-forming materials and ferroalloys, the loading of alloying, slag cleaning, steel casting and transportation of billets to rolling shops.
  • a furnace steelmaking furnace or two furnaces, an out-of-furnace steel processing unit with electric furnace substations, and all the equipment necessary for their maintenance are located in the furnace span.
  • the closest technical solution is an electric steelmaking workshop, the premises of which include walls and a roof, inside of which there is a furnace section (DSP), an out-of-furnace steel processing section (BOC) and a casting section (NLZ), served by devices for transporting raw materials and liquid metal in the form of crane equipment and steel trucks moving along rail tracks (authors book L.E. Nikolsky, I.Yu. Zinurov “Equipment and design of electric steel-smelting shops”, Moscow, Metallurgy, 1993. p. 248-249, Fig. 94-95).
  • DSP furnace section
  • BOC out-of-furnace steel processing section
  • NLZ casting section
  • the building of the steelmaking workshop consists of the following spans: furnace, bunker, distribution, casting and span for processing and loading workpieces. All spans are in the form of a quadrangular prism, at the borders of which crane columns, supports with metal structures are arranged.
  • the main disadvantages of the above workshops are the following.
  • the complex organization of work and cargo flows, and as a result, the presence of a large crane economy, significant losses of time and energy during long movements.
  • the presence of several spans leads to the need for the construction of a large number of supporting structures, metal structures.
  • the technical task of the claimed inventions is the creation of a fly-free electric furnace shop, in which the organization of work and cargo flows does not require a large crane facilities and eliminates the need for a large number of cranes and supporting structures, which will generally increase the reliability in the management of production processes while significantly reducing costs and, in addition , will create the opportunity to improve the evacuation of exhaust gases by creating a common no-fly space.
  • the problem is solved by creating an electric steelmaking workshop, the premises of which include walls and a roof, inside of which there is a furnace section of chipboard, an extra-furnace steel processing section of BOC and a casting section of continuous casting machines connected by devices for transporting raw materials and liquid metal with a lifting device and steel trucks moving along rail tracks.
  • the sections are arranged in a curved closed line in the sequence of chipboard - BOC - CCM with the formation of a central section between them and are oriented in space so that their longitudinal axes are planed radially to the center of this section, inside which there is a rail track for moving steel carriers, made circular, and the device for transporting raw materials and liquid metal is made rotary with the ability to move the lifting device from site to site and about provision of circular cargo flow around the central section.
  • the device for transporting raw materials and liquid metal is made in the form of a polar crane, resting on a circular rail, covering all sections and installed on columns located on the periphery of the columns, or in the form of a radial crane, resting on a central column located inside the central section, and a circular track rail covering all sections, and installed on columns located on the periphery of the sections.
  • the problem is also solved by the creation of an electric steelmaking workshop, the premises of which include walls and a roof, inside of which there is a furnace section (DSP), an out-of-furnace steel processing section (BOC) and a casting section (CCM), connected in a single technological cycle by a device for transporting raw materials and liquid metal with lifting device, which is characterized in that the sections are located along a curved closed line in the sequence of chipboard - VOS - CCM with the formation of a central section between them and oriented in space in such a way that their longitudinal axes are planed radially to the center of this section, inside which there is a device for transporting raw materials and liquid metal, made by turning with the possibility of moving the lifting device from site to site and providing a circular cargo flow around the Central site, and the transportation device ref one material and liquid metal is made in the form of a crane.
  • DSP furnace section
  • BOC out-of-furnace steel processing section
  • CCM casting section
  • the sections can be arranged in a plan in a circle at an angle of 90 ° to each other.
  • the problem is also solved by the fact that the walls of the workshop room are installed in a circle with the formation of the internal volume of the room of a cylindrical shape, and the roof of the workshop is dome-shaped with the possibility of providing a centralized gas outlet.
  • the claimed technical solutions are aimed at creating a no-fly electric steelmaking workshop with circular arrangement of sections of chipboard - VOS - CCM and the organization of circular cargo flow in the process of performing technological cycles of melting, out-of-furnace processing and casting.
  • FIG. 1 shows a top view of the premises of the workshop with the roof removed, respectively, with a polar crane, a radial crane and a crane.
  • FIG. Shows a view of the workshop from the outside.
  • a circular steel-smelting furnace ⁇ 1 with mechanisms for tilting the furnace, moving electrodes, raising and turning the roof with a furnace transformer (not indicated in the drawing), an out-of-furnace treatment of steel BOC 2 with a furnace transformer, mechanisms control system and a feed system of ferroalloys and additives (not indicated in the drawing), a continuous casting machine of CCM 3, a ladle heating station 4, a station 5 for storage bins for bulk materials and ferroalloys.
  • a central section 6 is formed, on the periphery of which a rail 7 is made to move the steel truck with the steel ladle 8 in a circle along the route chipboard> BOC> CCM> chipboard.
  • Sections 1,2,3 in the plan are oriented in space so that their longitudinal axes 9,10,11 are located in the plan radially to the center of the central section 6, and the axes 9 and 10, as well as 10 and 11 form an angle between themselves 90 °.
  • a rail track 13 is mounted to move the device for transporting raw materials and liquid metal with a lifting device.
  • the device for transporting raw materials and liquid metal is made in the form of a polar crane 14 ( Figure 1) or a radial crane 15 ( Figure 2).
  • a radial crane 15 is mounted on a hinge support 16 on the central column 17.
  • the lifting device is mounted on a trolley 18, which moves along the radius of the central section b.
  • the rotation of the polar crane 14 is due to its movement along the rail 13, and the radial crane is rotating it around the axis of the central column 17 on the hinge support 16 and moving along the rail 13.
  • the walls 19 of the workshop premises are made in a circle of cylindrical shape, and the roof 20 is dome-shaped, on which a centralized gas removal device 21 is placed (Fig.
  • the all technological posts necessary for the implementation of the full technological cycle are located on the work site, such as melting, steel processing and casting, such such as ladle heating posts, power equipment, a bulk dosing and supply system, scrap truck, etc.
  • Fig. 3 shows an embodiment of a device for transporting raw materials in the form of a crane, based on the Liebherr R 996 Litronic mining bucket excavator, where instead of the bucket traditional grabs for steel buckets are used.
  • the crane 26 is located inside the central section 6 and carries out the movement of the lifting device from section to section, providing circular cargo flow around the central section, which eliminates the need for rail tracks.
  • the parameters of the working platform, as well as the technological equipment, are determined based on the production capacity of the designed and constructed electric steel-smelting shop.
  • the minimum capacity of an electric arc furnace that allows you to work in a continuous technological chain of chipboard> VOS> CCM> rolling mill is a nominal capacity of 15 tons.
  • the optimal annual production capacity of the workshop will be 130,000 tons of liquid steel.
  • Fig. 3 shows a solution with sections located along a curved closed line in the sequence of chipboard - BOC - CCM with the formation of a central section b between them and oriented in space in such a way that their longitudinal axes 9, 10, 11 in plan are located radially to the center of this section, inside which there is a device for transporting raw materials and liquid metal, made rotary with the ability to move the lifting device from section to section and providing circular cargo Single around the central portion, e.g., a crane, whereby excluded rail path.
  • a device for transporting raw materials and liquid metal made rotary with the ability to move the lifting device from section to section and providing circular cargo Single around the central portion, e.g., a crane, whereby excluded rail path.
  • a span for a rolling mill can be attached to the circular site of the steel mill from the CCM side.
  • the main cycle of work is as follows. A bucket loaded in a batch yard with a batch truck 23 is fed along a rail 24 to a working platform and then fed with a polar crane 14 (Fig. 1) or a radial crane 15 (Fig. 2) to a chipboard furnace, where it falls down after raising and turning. to the oven. After melting and heating to 1600 ° C, the melt is poured into a steel pouring ladle 8 mounted on a steel truck, and then the steel truck moves along rail 7 to the BOC installation, where heating, lapping and alloying takes place.
  • the steel truck with the steel pouring ladle 8 moves with liquid steel to the continuous casting machine, where it is installed on a two-position mobile stand of the casting machine 3 with a polar 14 (Fig. 1) or radial 15 (Fig. 2) crane, and the steel truck 8 returns along the ring path to chipboard.
  • the empty bucket is moved by a crane. to the ladle lining section to prepare it for the next heat.
  • a tub loaded with a scrap truck 23 loaded in the batch yard is fed to the working platform and then fed with a crane 26 to an arc steel-smelting furnace 1, where, after raising and turning the roof, it falls into the furnace.
  • the melt After melting and heating to 1600 ° C, the melt is poured into a steel pouring ladle 8 and then the crane 26 moves it to the installation 2 for secondary furnace treatment of BOC steel, where heating, finishing and alloying takes place.
  • the crane 26 moves steel pouring ladle 8 with liquid steel to the NLZ steel continuous casting machine 3, where it is mounted on a two-position mobile stand of the casting machine.
  • the empty bucket 8 is moved by a crane 26 to the lining section of the buckets 22 to prepare it for the next smelting.
  • the application of the proposed invention provides a reduction in capital costs during construction of about 28%, which is achieved due to the following factors.
  • the side surface area of the proposed invention is less by 28.5%. Accordingly, the perimeter of the working platform in the proposed solution is less. In this regard, the volumes of construction and installation works are proportionally reduced, as well as the costs of building materials, metal structures, electric cables, etc.
  • the invention will find wide application in the metallurgical industry when creating mini-plants for the implementation of the melting and foundry rolling process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

Le groupe d'inventions se rapporte à la sidérurgie et, en particulier, à des fonderies électriques de production d’acier. La zone de four à arc, la zone de traitement de l'acier à l'extérieur du four et la machine de lingotage de l'acier en fusion de la fonderie sont disposées autour d'un cercle à l'intérieur duquel est formée une zone centrale circulaire. Dans un premier mode de réalisation de l'invention, la zone centrale comprend un dispositif rotatif pour le transport de matériaux et un rail circulaire de déplacement de transporteurs d’acier entre la zone de four à arc, la zone de traitement de l'acier à l'extérieur du four et la machine de lingotage de l'acier en fusion. Dans un deuxième mode de réalisation de l'invention, la zone centrale contient un dispositif rotatif pour le transport de matériaux et du métal en fusion. L'invention permet d'éviter d’avoir un grand nombre de grues et des structures de support dans l'organisation d'opérations et de flux de matériau.
PCT/RU2010/000742 2009-12-09 2010-12-09 Fonderie électrique de production d’acier Ceased WO2011071418A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
RU2009145474 2009-12-09
RU2009145474 2009-12-09
RU2009145473/02A RU2009145473A (ru) 2009-12-09 2009-12-09 Электросталеплавильный цех
RU2009145473 2009-12-09

Publications (1)

Publication Number Publication Date
WO2011071418A1 true WO2011071418A1 (fr) 2011-06-16

Family

ID=44145772

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2010/000742 Ceased WO2011071418A1 (fr) 2009-12-09 2010-12-09 Fonderie électrique de production d’acier

Country Status (1)

Country Link
WO (1) WO2011071418A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160130528A (ko) 2012-01-31 2016-11-11 제이엑스금속주식회사 스퍼터링 타겟 조립체

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU898020A1 (ru) * 1980-05-19 1982-01-15 Предприятие П/Я В-8646 Здание круглое в плане
SU945331A1 (ru) * 1980-10-14 1982-07-23 Ордена Трудового Красного Знамени Центральный Научно-Исследовательский И Проектный Институт Строительных Металлоконструкций "Цниипроектстальконструкция" Кольцева эстакада дл крана литейного двора и воздухопровода гор чего дуть
US4797154A (en) * 1986-09-25 1989-01-10 Danieli & C. Officine Meccaniche Spa Plant to convert a metallic charge into semifinished products, and connected smelting and casting method
RU2114046C1 (ru) * 1996-02-13 1998-06-27 Государственный научно-исследовательский, проектно-конструкторский и изыскательский институт "Атомэнергопроект" Опора для крепления рельсов
US6201826B1 (en) * 1997-05-23 2001-03-13 Danieli & C. Officine Meccaniche Spa Loading system for electric arc furnaces
RU80456U1 (ru) * 2008-08-21 2009-02-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Технологическая линия производства стали

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU898020A1 (ru) * 1980-05-19 1982-01-15 Предприятие П/Я В-8646 Здание круглое в плане
SU945331A1 (ru) * 1980-10-14 1982-07-23 Ордена Трудового Красного Знамени Центральный Научно-Исследовательский И Проектный Институт Строительных Металлоконструкций "Цниипроектстальконструкция" Кольцева эстакада дл крана литейного двора и воздухопровода гор чего дуть
US4797154A (en) * 1986-09-25 1989-01-10 Danieli & C. Officine Meccaniche Spa Plant to convert a metallic charge into semifinished products, and connected smelting and casting method
RU2114046C1 (ru) * 1996-02-13 1998-06-27 Государственный научно-исследовательский, проектно-конструкторский и изыскательский институт "Атомэнергопроект" Опора для крепления рельсов
US6201826B1 (en) * 1997-05-23 2001-03-13 Danieli & C. Officine Meccaniche Spa Loading system for electric arc furnaces
RU80456U1 (ru) * 2008-08-21 2009-02-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Технологическая линия производства стали

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160130528A (ko) 2012-01-31 2016-11-11 제이엑스금속주식회사 스퍼터링 타겟 조립체
KR20190071828A (ko) 2012-01-31 2019-06-24 제이엑스금속주식회사 스퍼터링 타겟 조립체

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