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WO1995011318A1 - Procede d'obtention de fonte - Google Patents

Procede d'obtention de fonte Download PDF

Info

Publication number
WO1995011318A1
WO1995011318A1 PCT/RU1994/000175 RU9400175W WO9511318A1 WO 1995011318 A1 WO1995011318 A1 WO 1995011318A1 RU 9400175 W RU9400175 W RU 9400175W WO 9511318 A1 WO9511318 A1 WO 9511318A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnesium
cast iron
copper
πρi
τem
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/RU1994/000175
Other languages
English (en)
Russian (ru)
Inventor
Vadim Vasilievich Shatov
Vladimir Ivanovich Komlyakov
Vasily Timofeevich Kalinin
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.)
Tovarischestvo S Ogranichennoi Otvetstvennostju Kompania 'sredny Ural'
Original Assignee
Tovarischestvo S Ogranichennoi Otvetstvennostju Kompania 'sredny Ural'
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 RU93048707A external-priority patent/RU2069704C1/ru
Priority claimed from RU93052058A external-priority patent/RU2069703C1/ru
Priority claimed from RU93052790A external-priority patent/RU2069705C1/ru
Application filed by Tovarischestvo S Ogranichennoi Otvetstvennostju Kompania 'sredny Ural' filed Critical Tovarischestvo S Ogranichennoi Otvetstvennostju Kompania 'sredny Ural'
Publication of WO1995011318A1 publication Critical patent/WO1995011318A1/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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/10—Making spheroidal graphite cast-iron
    • C21C1/105—Nodularising additive agents

Definitions

  • the invention is subject to literary abuse, in particular to out-of-pocket and internally-mediated illness and may be used to severely exacerbate PREVIOUS LEVEL OF TECHNIQUE
  • the methods of cast iron processing are well-known for convenient and polished modifiable additives ( cricket ⁇ , 928800, ⁇ , 1106154).
  • the available method of receiving iron is that, with this method of modifying the iron, there is a large increase in size! Emissions, emissions and smoke.
  • U ⁇ azannaya task d ⁇ s ⁇ igae ⁇ sya ⁇ em, ch ⁇ in ⁇ aches ⁇ ve m ⁇ - di ⁇ i ⁇ a ⁇ a is ⁇ lzuyu ⁇ s ⁇ e ⁇ idizi ⁇ uyuschee vesches ⁇ v ⁇ as ul ⁇ adis ⁇ e ⁇ sny ⁇ ⁇ sh ⁇ v ni ⁇ ida silicide and magnesium and magnesium ⁇ a ⁇ zhe chis ⁇ g ⁇ ⁇ lazm ⁇ imiches ⁇ g ⁇ sin ⁇ eza and / ⁇ li g ⁇ a- ⁇ i ⁇ izi ⁇ uyuschee vesches ⁇ v ⁇ as ul ⁇ adis ⁇ e ⁇ sny ⁇ ⁇ sh ⁇ v ⁇ a ⁇ bida ⁇ emniya, ⁇ lazm ⁇ imiches ⁇ g ⁇ sin ⁇ eza and ⁇ ba ⁇ sh ⁇ a it has a particle size of 0.01-0.1 ⁇ m.
  • the ratio of the components of the composition is, by weight. : magnesium silicide - the basis; magnesium nitrate 3-15 $, mashsh 5-20.0.
  • magnesium silicide - the basis magnesium nitrate 3-15 $, mashsh 5-20.0.
  • the optional large range of copper increases, and, as a result, increases : ⁇ a ⁇ bid ⁇ emniya - ⁇ sn ⁇ va, copper ⁇ 0-20. ⁇ , chu ⁇ unnaya s ⁇ uzh- ⁇ a $ 30-40.
  • spheroidizing and grouping fluids they are introduced into liquid cast iron in condition I: (1-3).
  • the particle size of the module is less than 0.1 ⁇ m, they, having a smaller diameter, are disposed of in the cast iron, not by the cost of installation, but only (7).
  • the lower (minimum) size of the fraction is limited by the possibility of its production and a decrease in the efficiency of installation.
  • the number of distribution centers decreases and with an increase in the fraction more than 0.1 ⁇ m, for example II), the large inclusions are reduced and, in general, are neglected.
  • the particle size of the carbide of the brown is less than 0.01 ⁇ m part of it, having a diameter less than the critical size, it is used in cast iron (the temperature is not monitored). Otherwise, the size (minimum) of the size of the function is limited due to the danger of its production and reduction of the operating efficiency.
  • the number is decreasing due to the crystallization of the group and with an increase in the fraction 310 more than 0.1 ⁇ m.
  • ⁇ ' is the average value of the range of 10 results of 10 tests. From the table, it is visible that the highest high-quality properties of the system and the maximum stability of the results (-with the value of the dispersion) are obtained when the ultrasound is maintained - 10 - legroom (UDP) karbida of an aperture of 40-50 and ultraradiocompact (UDP) of copper 10-20.
  • UDP legroom
  • UDP ultraradiocompact
  • Table 3 also shows that the best results were obtained with a functional composition of 0.01-0 ⁇ m.
  • the ultra-dispersed component partly having a diametre, however, is inaccessible to it, but the device is inaccessible to the Otherwise, the productivity of the installation is reduced. 5
  • the number of centers for the crystallization of the group is decreasing and with an increase in the fraction of 8U and copper. Large gains are increasing in size and are dropping out of the basic properties of cast iron.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

L'invention concerne un procédé d'obtention de fonte consistant à traiter de la fonte à l'aide d'un modificateur, ledit modificateur étant un agent de sphéroïdisation/ou un agent de graphitisation se présentant sous la forme de poudres ultradispersées enrobées d'un mélange d'hydrocarbures solides.
PCT/RU1994/000175 1993-10-21 1994-08-02 Procede d'obtention de fonte Ceased WO1995011318A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
RU93048707 1993-10-21
RU93048707A RU2069704C1 (ru) 1993-10-21 1993-10-21 Модификатор для сфероидизирующей обработки чугуна
RU93052058A RU2069703C1 (ru) 1993-11-22 1993-11-22 Модификатор для обработки чугуна
RU93052790 1993-11-22
RU93052058 1993-11-22
RU93052790A RU2069705C1 (ru) 1993-11-22 1993-11-22 Способ получения чугуна

Publications (1)

Publication Number Publication Date
WO1995011318A1 true WO1995011318A1 (fr) 1995-04-27

Family

ID=27354140

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU1994/000175 Ceased WO1995011318A1 (fr) 1993-10-21 1994-08-02 Procede d'obtention de fonte

Country Status (1)

Country Link
WO (1) WO1995011318A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2096897A1 (en) * 1970-07-10 1972-03-03 Fernandez Eduardo Inoculating cast iron with magnesium - using resin-magnesium agglomer for desulphurisation orsg iron prodn
US3744998A (en) * 1971-02-16 1973-07-10 Carborundum Co Additives for controlling the physical and structural characteristics of cast iron
GB1564921A (en) * 1977-01-24 1980-04-16 Materials & Methods Ltd Introduction of magnesium to molten iron
EP0292205A1 (fr) * 1987-05-22 1988-11-23 Foseco International Limited Agents de traitement métallurgique
SU1723173A1 (ru) * 1990-05-21 1992-03-30 Днепропетровский Металлургический Институт Брикетированна смесь дл обработки серого чугуна
EP0499269A1 (fr) * 1991-02-14 1992-08-19 SKW Trostberg Aktiengesellschaft Fil fourré pour inoculation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2096897A1 (en) * 1970-07-10 1972-03-03 Fernandez Eduardo Inoculating cast iron with magnesium - using resin-magnesium agglomer for desulphurisation orsg iron prodn
US3744998A (en) * 1971-02-16 1973-07-10 Carborundum Co Additives for controlling the physical and structural characteristics of cast iron
GB1564921A (en) * 1977-01-24 1980-04-16 Materials & Methods Ltd Introduction of magnesium to molten iron
EP0292205A1 (fr) * 1987-05-22 1988-11-23 Foseco International Limited Agents de traitement métallurgique
SU1723173A1 (ru) * 1990-05-21 1992-03-30 Днепропетровский Металлургический Институт Брикетированна смесь дл обработки серого чугуна
EP0499269A1 (fr) * 1991-02-14 1992-08-19 SKW Trostberg Aktiengesellschaft Fil fourré pour inoculation

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