RU2631281C1 - Charge for producing refractory material - Google Patents

Charge for producing refractory material Download PDF

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Publication number
RU2631281C1
RU2631281C1 RU2016128110A RU2016128110A RU2631281C1 RU 2631281 C1 RU2631281 C1 RU 2631281C1 RU 2016128110 A RU2016128110 A RU 2016128110A RU 2016128110 A RU2016128110 A RU 2016128110A RU 2631281 C1 RU2631281 C1 RU 2631281C1
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RU
Russia
Prior art keywords
refractory material
charge
dinas
quartzite
carborundum
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RU2016128110A
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Russian (ru)
Inventor
Юлия Алексеевна Щепочкина
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Юлия Алексеевна Щепочкина
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3826—Silicon carbides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26—Silicates of the alkali metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica

Abstract

FIELD: chemistry.
SUBSTANCE: charge includes, wt %: liquid glass 9.2-9.8; sodium fluorosilicate 0.3-0.5; quartzite 20.5-22.0; iron scale 3.0-4.0; carborundum 3.9-4.7; dinas - the rest.
EFFECT: increasing the heat resistance of the refractory material.
1 tbl

Description

Изобретение относится к производству огнеупорных материалов, используемых для изготовления плит, блоков футеровки тепловых агрегатов.The invention relates to the production of refractory materials used for the manufacture of plates, lining blocks of thermal units.

Известна шихта для изготовления огнеупорного материала, содержащая, мас. %: жидкое стекло 8,0-9,0; кремнефтористый натрий 0,6-0,8; кварцит 16,0-18,0; железная окалина 3,0-4,0; бура 0,1-0,2; динас - остальное [1].Known mixture for the manufacture of refractory material containing, by weight. %: water glass 8.0-9.0; sodium silicofluoride 0.6-0.8; quartzite 16.0-18.0; iron oxide 3.0-4.0; borax 0.1-0.2; dinas - the rest [1].

Задачей изобретения является повышение термостойкости огнеупорного материала.The objective of the invention is to increase the heat resistance of the refractory material.

Технический результат достигается тем, что шихта для изготовления огнеупорного материала, содержащая жидкое стекло, кремнефтористый натрий, кварцит, железную окалину, динас, дополнительно включает карборунд при следующем соотношении компонентов, мас. %: жидкое стекло 9,2-9,8; кремнефтористый натрий 0,3-0,5; кварцит 20,5-22,0; железная окалина 3,0-4,0; карборунд 3,9-4,7; динас - остальное.The technical result is achieved in that the mixture for the manufacture of refractory material containing liquid glass, sodium silicofluoride, quartzite, iron oxide, dinas, further includes carborundum in the following ratio of components, wt. %: water glass 9.2-9.8; sodium silicofluoride 0.3-0.5; quartzite 20.5-22.0; iron oxide 3.0-4.0; carborundum 3.9-4.7; dinas - the rest.

В таблице приведены составы шихты для изготовления огнеупорного материала.The table shows the composition of the mixture for the manufacture of refractory material.

Figure 00000001
Figure 00000001

Размолотые до порошкообразного состояния кремнефтористый натрий, кварцит, железную окалину, динас, карборунд дозируют в требуемых количествах и смешивают. Полученную смесь увлажняют жидким стеклом (плотность 1300 кг/м3, силикатный модуль 3,2-4) и прессуют из шихты под давлением 25-30 МПа изделия требуемой конфигурации, которые обжигают при температуре 1280-1320°C.Milled to a powder state, sodium fluoride, quartzite, iron oxide, dinas, carborundum are dosed in the required quantities and mixed. The resulting mixture is moistened with liquid glass (density 1300 kg / m 3 , silicate module 3.2-4) and pressed from the mixture under a pressure of 25-30 MPa products of the desired configuration, which are fired at a temperature of 1280-1320 ° C.

Источники информацииInformation sources

1. SU 583986, C04B 28/26, 1977.1. SU 583986, C04B 28/26, 1977.

Claims (1)

Шихта для изготовления огнеупорного материала, содержащая жидкое стекло, кремнефтористый натрий, кварцит, железную окалину, динас, отличающаяся тем, что дополнительно включает карборунд при следующем соотношении компонентов, мас.%: жидкое стекло 9,2-9,8; кремнефтористый натрий 0,3-0,5; кварцит 20,5-22,0; железная окалина 3,0-4,0; карборунд 3,9-4,7; динас - остальное.The mixture for the manufacture of refractory material containing liquid glass, sodium silicofluoride, quartzite, iron oxide, dinas, characterized in that it further includes carborundum in the following ratio of components, wt.%: Liquid glass 9.2-9.8; sodium silicofluoride 0.3-0.5; quartzite 20.5-22.0; iron oxide 3.0-4.0; carborundum 3.9-4.7; dinas - the rest.
RU2016128110A 2016-07-11 2016-07-11 Charge for producing refractory material RU2631281C1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU583986A1 (en) * 1975-06-04 1977-12-15 Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт Refractory concrete
SU668923A1 (en) * 1977-09-30 1979-06-25 Ордена Трудового Красного Знамени Центральный Научно-Исследовательский Институт Строительных Конструкций Им. В.А.Кучеренко Refractory marl
US4183761A (en) * 1977-09-10 1980-01-15 Kurosaki Refractories Co., Ltd. Silica bricks and method for manufacturing silica bricks
SU1006415A1 (en) * 1981-03-13 1983-03-23 Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт Batch for making refractories
DE19919264A1 (en) * 1999-04-28 2000-11-02 Moeckel Wolfgang Refractory bricks, especially silica bricks, are produced from a mixture containing crushed silica glass
RU2332386C2 (en) * 2006-03-06 2008-08-27 Общество с ограниченной ответственностью "Экология-Вторичные ресурсы" (ООО "Экология-Вторичные ресурсы") Furnace burden for firebrick production

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU583986A1 (en) * 1975-06-04 1977-12-15 Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт Refractory concrete
US4183761A (en) * 1977-09-10 1980-01-15 Kurosaki Refractories Co., Ltd. Silica bricks and method for manufacturing silica bricks
SU668923A1 (en) * 1977-09-30 1979-06-25 Ордена Трудового Красного Знамени Центральный Научно-Исследовательский Институт Строительных Конструкций Им. В.А.Кучеренко Refractory marl
SU1006415A1 (en) * 1981-03-13 1983-03-23 Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт Batch for making refractories
DE19919264A1 (en) * 1999-04-28 2000-11-02 Moeckel Wolfgang Refractory bricks, especially silica bricks, are produced from a mixture containing crushed silica glass
RU2332386C2 (en) * 2006-03-06 2008-08-27 Общество с ограниченной ответственностью "Экология-Вторичные ресурсы" (ООО "Экология-Вторичные ресурсы") Furnace burden for firebrick production

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