WO1997012069A1 - Materiau destine a la preparation de lingots pour la production d'acier, procede de production du materiau, lingots destines a la production d'acier et procede et machine de production de ces lingots - Google Patents

Materiau destine a la preparation de lingots pour la production d'acier, procede de production du materiau, lingots destines a la production d'acier et procede et machine de production de ces lingots Download PDF

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Publication number
WO1997012069A1
WO1997012069A1 PCT/RU1996/000263 RU9600263W WO9712069A1 WO 1997012069 A1 WO1997012069 A1 WO 1997012069A1 RU 9600263 W RU9600263 W RU 9600263W WO 9712069 A1 WO9712069 A1 WO 9712069A1
Authority
WO
WIPO (PCT)
Prior art keywords
iron
machine
fact
carbon
trough
Prior art date
Application number
PCT/RU1996/000263
Other languages
English (en)
Russian (ru)
Inventor
Alexandr Nikolaevich Meshkov
Vadim Evgenievich Chernukhin
Radmilo Savkovich
Original Assignee
Alexandr Nikolaevich Meshkov
Vadim Evgenievich Chernukhin
Radmilo Savkovich
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
Application filed by Alexandr Nikolaevich Meshkov, Vadim Evgenievich Chernukhin, Radmilo Savkovich filed Critical Alexandr Nikolaevich Meshkov
Publication of WO1997012069A1 publication Critical patent/WO1997012069A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D3/00—Pig or like casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D5/00—Machines or plants for pig or like casting
    • B22D5/04—Machines or plants for pig or like casting with endless casting conveyors
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/244—Binding; Briquetting ; Granulating with binders organic
    • C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
    • 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 burned-out batch has a low usefulness during restoration.
  • the “Product for metal processing” is disclosed, which is a special mechanical mixture in terms of weight. %: iron ore pellets 5, 0-17, 0, carbon-bearing material 0, 3-5, 0, cast iron other, where in the quality of coal the material is used, there is a non-ferrous metal.
  • the indicated product has an insufficient amount (in cast iron and carbon-bearing material), the carbon content is not favorable and the performance is good ⁇ ⁇ 97/12069 ⁇ / ⁇ .96 / 00263
  • the technical task of the group of inventions related between a single inventive concept is the manufacture of an iron ore deposit, ⁇ ⁇ 97/12069 ⁇ / ⁇ 96 / 00263
  • Carbon content of less than 15.0% does not provide 5 necessary conditions for bath carcassing in the steel fuse and requires an additional supply of carbon fuels. Carbon content in excess of 30.0% is excessive and requires additional acid blowing, which leads to an increase in the time of smelting and waste.
  • the optimal size is from 10.0 to 25.0 mm in diameter.
  • the content of the binder in the form of a bent of less than 0.5% does not ensure the fulfillment of the functions of the binder, and a further increase in its content reduces the amount of iron ore in the group.
  • Iron-rich granules possess magnetic properties, which is caused by the accumulation of magnetic properties by iron ore concentrates. Also, the advantageous resultant granules are their originality and, as a consequence, the absence of trifles, which worsens the gas-dynamic conditions in the steelmaking.
  • iron-carbon materials in the steelmaking process are the production of pig iron with iron-dispersed granules separated in its volume.
  • the optimum weight of the pig is between 8.0 and 45.0 kg.
  • the inventive composition of the ingot is ensured by the method of its manufacture, including the replenished filling of the displacing mullet of charcoal, which has been taken into account, which is cleaned. ⁇ ⁇ 97/12069 ⁇ / ⁇ 96 / 00263
  • the molds are filled with granules of the composition in wt. %: carbon 15.0-30.0 binder 0.5 -12.0 iron ore concentrate and the filling of molds with granules and cast iron alloy is produced in a magnetic field.
  • the ignition box ensures equal distribution of the grains in the cast iron alloy and allows them to be shipped to it.
  • the granules are dried to a yield of no more than 2.0% by transferring them to molds, to prevent the discharge of emissions, it is granulated and filled with cast iron.
  • Each company has one unit at a time of 75.0-90.0% of the volume of the tin.
  • Cast iron alloys are supplied at temperatures from 1150.0 to 1360.0 ° C and a brown content of 0.4 to 1.2%. Bulldogs with granules fill the part of the distribution of cast iron with part of the distribution from the main to the direction of the transmission and partial non-distribution to the mains
  • the force of the magnetic field which extends to the granules in the cast iron alloy, is ensured with an increase in the repulsive force of ⁇ imed by no less than 5.0%.
  • the method of making pigs is sold by the machine, which ensures that they are ensured that they have no access to the equipment for which we have nothing to do with them.
  • the magnets are mounted on the width, not less than the width of the mold. ⁇ ⁇ 97/12069 ⁇ 96 / 00263
  • the machine contains permanent magnets.
  • the magnets are equipped with a cooling device, excluding their overheating.
  • the drain outlet of the filling device is located at a location not less than the third trough and the output is turned off, which is in connection with the overhead of the payment of the remuneration.
  • Each cell of the mold has a partition, and the walls of the cell are slanted. 0
  • the grooves of the drain pan of the mold are located above the groove of the conveyor.
  • Cooling of the troughs is carried out by switching on the unloading trough and it performs the function that ensures the isolation of the tinier trough ⁇ ⁇ 97/12069 ⁇ 96 / 00263
  • the drain outlet of the filling device is located in the area of at least the third trough and is disposed of in the same direction as the building.
  • Each trough contains cells that are internally and externally mounted, it is higher than the discharge end of the trough, which is connected to the discharge trough
  • Each cell of the mold has a partition, and the walls of the cell are slanted.
  • the grooves of the drain pan of the trough are located above the groove of the conveyor.
  • the efficient operation of the machine ensures the implementation of the method of producing pigs with the indicated chemical and physical properties.
  • Carbon dioxide by interfering with iron oxides, restores it, and the gas produced by this means prevents the accumulation of the bath and the removal of metal contact.
  • Iron oxides which are in bulk, are recovered by free carbon dioxide, even before slag is disposed of. The remaining free carbon is used as an oxidizer.
  • the best device for receiving raw grains is a drum spreader (granulator). Further g ⁇ anuly ⁇ dve ⁇ gayu ⁇ sush ⁇ e ⁇ i ⁇ em ⁇ e ⁇ a ⁇ u ⁇ e d ⁇ 100,0 ° C at 6.0-10.0 minutes the ⁇ echenie in zavisim ⁇ s ⁇ i ⁇ ⁇ imiches ⁇ g ⁇ s ⁇ s ⁇ ava g ⁇ anul and u ⁇ chnyayu ⁇ bez ⁇ bzhig ⁇ vym me ⁇ d ⁇ m in av ⁇ lave, ⁇ ns ⁇ u ⁇ tsii ⁇ y ⁇ ⁇ a ⁇ zhe ⁇ sh ⁇ izves ⁇ ny s ⁇ etsialis ⁇ am in the ⁇ y ⁇ blas ⁇ i ⁇ e ⁇ ni ⁇ i, ⁇ i ⁇ em ⁇ e ⁇ a ⁇ u ⁇ e 250 0-300.0 ° C and a pressure of 1 ⁇ Pa. ⁇ 97/12069 ⁇ 96 / 002
  • Part 1 can be installed on the basis of any well-known experts in this area of the operation.
  • FIG. 1 The reference to FIG. 1 is not indicated, since it does not have an unresponsive claim to the invention.
  • a filling device 6 has been installed, for the production of a cast iron alloy, containing part 7, groove 8, discharge 9 and discharge nozzles 10. ⁇ ⁇ 97/12069 ⁇ 96 / 00263
  • Filling device 6 is also installed on an already established base.
  • Drain outlet 10 is located at a distance of at least two troughs of 2 at the direction of 5 at the direction of the move of two taps of 1 and is directed to the same direction.
  • a permanent magnet 11 Before building 1, a permanent magnet 11 is placed, which has a large output of at least 5 and a minimum of 6 room voltage.
  • Magnet 11 can be made as a single unit or from a set of separate magnets. Custom magnet is due to safety features, t. ⁇ . The use of an electromagnet in a humid environment can cause damage to the 5th accident.
  • Cooling devices 12 and 14 are also installed on the already well-known base.
  • Cooling equipment 12 and 14 at good 5 are known to specialists in this area and do not require any description.
  • FIG. 2 an enlarged image is shown as a result of the output of 5 (Fig. 1) in conjunction with the mold 2.
  • Part 5 has a free download and contains a lower wall 16, unit 17, ⁇ ⁇ 97/12069 ⁇ 96 / 00263
  • ⁇ of the lower part of the gate 19 is tightly secured to the copy 20, which interacts with the mold 2 (Fig. 1).
  • the indicated node is well known to the experts in this region and is not receiving a message.
  • Lever 22 is tightly connected to the lower gate 19.
  • the outer gate 21 is set to the upper 24th direction of the lower indirect wall 16.
  • Part 5 is equipped with a gate 25, which performs the function of regulating the delivery of the dispenser from the wand 4 to the ward.
  • Fig. 4 shows the type of trough 2, Fig. 3 in section IV-IV.
  • Buld 2 (Fig. 1, 2, 3) has internal sloping walls of 35 cells 34, day 36, having a half-section and outside 37 cells 34.
  • the proposed machine for making the ingot works as follows.
  • ⁇ is ⁇ dn ⁇ m5 s ⁇ s ⁇ yanii d ⁇ za ⁇ a 5 ⁇ i ⁇ 20 ( ⁇ ig.2) s ⁇ i ⁇ asae ⁇ sya with dn ⁇ m 36 ⁇ dn ⁇ y yachee ⁇ 34 of the trough 2 and ve ⁇ ny za ⁇ v ⁇ 21 na ⁇ dyas in an forward position of up to 24 of the lower sloping wall 16, it is prevented from falling into the free range of 17 at 5 and, consequently, at 34% (2 .1).
  • the volumetric flow is dispensed from the holder 4 to the recipient space 17, depending on the volume installed on the transformer 1 mould 2.
  • Cooling was carried out by the air-air mixture (50% + 50%), the air pressure in the main was 3.2 atmospheres, the water pressure was 2.2 atmospheres.
  • the proposed weight percentage of pig iron components for steelmaking (iron-carbon granules is 15.0-30.0%, cast iron is 70.0-85.0% and carbon dioxide is 10--0.0 15.0 d ⁇ 30.0%)
  • ⁇ bes ⁇ echivae ⁇ ⁇ i is ⁇ lz ⁇ vanii ⁇ a ⁇ i ⁇ chushe ⁇ ⁇ i vy ⁇ lav ⁇ e s ⁇ ali in ele ⁇ echa ⁇ bys ⁇ e ⁇ as ⁇ lavlenie shi ⁇ y, ne ⁇ b ⁇ dimy izby ⁇ ugle ⁇ da, us ⁇ enn ⁇ e ⁇ mi ⁇ vanie zhid ⁇ dvizhn ⁇ y shla ⁇ v ⁇ y ⁇ azy 5 s ⁇ s ⁇ bs ⁇ vuyuschey e ⁇ ani ⁇ vaniyu arcs ⁇ bes ⁇ echivae ⁇ s ⁇ aschenie dli ⁇ eln ⁇ s ⁇ i ⁇ lav ⁇ i and udeln ⁇ g ⁇ ⁇ as ⁇ da
  • the rate of heating of the metal in the oxidizing process of the melts reaches 13.0 - 16.0 ° C / min, which in many respects increases the speed of heating and discharging. From the moment of the beginning of melting, 5 the proposed ingots in them arise and, in the process of melting, non-stop oxidation of the oxidation of the ore is carried out. Significant de-carbonization rates at a low temperature are achieved due to the high acid potential of iron oxides. ⁇ ⁇ 97/12069 ⁇ 96 / 00263
  • a bathtub is kept in an oxidative process, which makes it possible to separate parts of the data from each other and to the unit. Those who are interested in cooking at the bottom of the house will be enthralled by such inclusions and take out their part in the metal slag section, where they are mentioned. Stirring a mixture of alloys with a mixture of oxides of carbon ensures that the chemical composition and temperature of the metal are aligned. In general, the use of the proposed cushions in a wide range of electric ovens ensures that there is no need to use the appliance to start the process of heating.
  • the equipment sold in the foreign shipment can be up to 50.0 to 100.0%.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

La présente invention se rapporte au domaine de la métallurgie des métaux ferreux, plus précisément à la production de concentrés de minerai de fer ayant une composition préalablement déterminée, ainsi qu'à des procédés et des installations destinés à la préparation de produits semi-finis (lingots) contenant du minerai de fer. Ces produits semi-finis entrent dans la composition de matières de charge destinées à la fonte de l'acier dans des fours électriques, et remplacent également les rebuts métalliques en qualité de matériau de refroidissement dans les convertisseurs servant à fondre l'acier. D'après cette invention, le matériau se présente sous forme de carbure de fer, possède des qualités magnétiques, et comprend les composants suivants dont les proportions sont exprimées en % en poids: de 15,0 à 30,0 de carbone, de 0,5 à 12,0 d'un liant, le reste consistant en du concentré de minerai de fer. Le produit semi-fini destiné à la production d'acier se présente sous forme de lingots contenant des granules de carbure de fer, et contient en % en poids de 15,0 à 30,0 de granules de carbure de fer, le reste consistant en de la fonte et le poids des lingots variant de 8,0 à 45,0 kg. Cette invention concerne également des procédés de fabrication de granules de carbure de fer et de lingots, ainsi que la construction d'une machine permettant de fabriquer ces lingots.
PCT/RU1996/000263 1995-09-28 1996-09-17 Materiau destine a la preparation de lingots pour la production d'acier, procede de production du materiau, lingots destines a la production d'acier et procede et machine de production de ces lingots WO1997012069A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU9595116752A RU2090624C1 (ru) 1995-09-28 1995-09-28 Материал для изготовления чушек для сталеплавильного передела, способ его получения, чушка для сталеплавильного передела, способ и машина для ее получения
RU95116752 1995-09-28

Publications (1)

Publication Number Publication Date
WO1997012069A1 true WO1997012069A1 (fr) 1997-04-03

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RU (1) RU2090624C1 (fr)
WO (1) WO1997012069A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005105340A2 (fr) * 2004-04-30 2005-11-10 Gigo Jandieri Moule pour machine de coulee de ferro-alliages
WO2017100836A1 (fr) * 2015-12-15 2017-06-22 Grandfield Technology Pty Ltd Coulée en lingotière
CN110666153A (zh) * 2019-11-11 2020-01-10 常熟市振兴铸件有限公司 一种玻璃瓶模铸件的制造工艺

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2669270C1 (ru) * 2017-07-18 2018-10-09 Общество с ограниченной ответственностью "Евросинтез" Флюидизированная известь для десульфурации чугуна и стали
RU2678628C1 (ru) * 2018-01-30 2019-01-30 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ подготовки шихтовой заготовки для получения изделий методом литья

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1275570A (en) * 1968-10-11 1972-05-24 Exxon Research Engineering Co Improved feed for iron and steel making
US3807986A (en) * 1971-06-09 1974-04-30 Lukens Steel Co Combination iron and iron oxide briquette and method of using
US3980465A (en) * 1973-10-02 1976-09-14 Kobe Steel Ltd. Process for producing iron ore oxidized pellets from magnetite concentrate
GB1458228A (en) * 1972-12-29 1976-12-08 Schulten Baumer U Pig iron
GB1503497A (en) * 1974-07-22 1978-03-08 British Steel Corp Arc furnace steelmaking
US4287936A (en) * 1978-11-16 1981-09-08 Ljublinsky Efim Y Ingot casting apparatus
US4369062A (en) * 1981-09-28 1983-01-18 Strange Robert R Method of making briquettes and product
US4436551A (en) * 1981-10-26 1984-03-13 Sumitomo Heavy Industries, Ltd. Process for making steel from direct-reduced iron
SU1105273A1 (ru) * 1981-12-17 1984-07-30 Донецкий Ордена Трудового Красного Знамени Политехнический Институт Разливочна машина дл отливки чушек
SU1250582A1 (ru) * 1984-02-17 1986-08-15 Донецкий Ордена Трудового Красного Знамени Политехнический Институт Способ выплавки стали в многованной электропечи
SU1659502A1 (ru) * 1989-07-31 1991-06-30 Институт черной металлургии Способ получени железнорудных окатышей
RU2001121C1 (ru) * 1992-09-30 1993-10-15 Научно-производственное малое предпри тие "ИНТЕРМЕТ СЕРВИС" Полуфабрикат дл металлургического передела
WO1995005486A1 (fr) * 1993-08-19 1995-02-23 Tovarishchestvo S Ogranichennoi Otvetstvennostju Rossiisko-Kiprosoe Sovmestnoe Predpriyatie 'juni Superkom' Charge composite destinee a la fusion pour la production d'acier
WO1995023660A1 (fr) * 1994-03-04 1995-09-08 Aktsionernoe Obschestvo Zakrytogo Tipa 'intermet-Service & Co.' Ameliorations relatives a la conversion metallurgique

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1275570A (en) * 1968-10-11 1972-05-24 Exxon Research Engineering Co Improved feed for iron and steel making
US3807986A (en) * 1971-06-09 1974-04-30 Lukens Steel Co Combination iron and iron oxide briquette and method of using
GB1458228A (en) * 1972-12-29 1976-12-08 Schulten Baumer U Pig iron
US3980465A (en) * 1973-10-02 1976-09-14 Kobe Steel Ltd. Process for producing iron ore oxidized pellets from magnetite concentrate
GB1503497A (en) * 1974-07-22 1978-03-08 British Steel Corp Arc furnace steelmaking
US4287936A (en) * 1978-11-16 1981-09-08 Ljublinsky Efim Y Ingot casting apparatus
US4369062A (en) * 1981-09-28 1983-01-18 Strange Robert R Method of making briquettes and product
US4436551A (en) * 1981-10-26 1984-03-13 Sumitomo Heavy Industries, Ltd. Process for making steel from direct-reduced iron
SU1105273A1 (ru) * 1981-12-17 1984-07-30 Донецкий Ордена Трудового Красного Знамени Политехнический Институт Разливочна машина дл отливки чушек
SU1250582A1 (ru) * 1984-02-17 1986-08-15 Донецкий Ордена Трудового Красного Знамени Политехнический Институт Способ выплавки стали в многованной электропечи
SU1659502A1 (ru) * 1989-07-31 1991-06-30 Институт черной металлургии Способ получени железнорудных окатышей
RU2001121C1 (ru) * 1992-09-30 1993-10-15 Научно-производственное малое предпри тие "ИНТЕРМЕТ СЕРВИС" Полуфабрикат дл металлургического передела
WO1995005486A1 (fr) * 1993-08-19 1995-02-23 Tovarishchestvo S Ogranichennoi Otvetstvennostju Rossiisko-Kiprosoe Sovmestnoe Predpriyatie 'juni Superkom' Charge composite destinee a la fusion pour la production d'acier
WO1995023660A1 (fr) * 1994-03-04 1995-09-08 Aktsionernoe Obschestvo Zakrytogo Tipa 'intermet-Service & Co.' Ameliorations relatives a la conversion metallurgique

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005105340A2 (fr) * 2004-04-30 2005-11-10 Gigo Jandieri Moule pour machine de coulee de ferro-alliages
WO2005105340A3 (fr) * 2004-04-30 2006-03-23 Gigo Jandieri Moule pour machine de coulee de ferro-alliages
WO2017100836A1 (fr) * 2015-12-15 2017-06-22 Grandfield Technology Pty Ltd Coulée en lingotière
US20190366425A1 (en) * 2015-12-15 2019-12-05 Grandfield Technology Pty Ltd Ingot Casting
CN110666153A (zh) * 2019-11-11 2020-01-10 常熟市振兴铸件有限公司 一种玻璃瓶模铸件的制造工艺

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