RU2627514C1 - Mixture for producing refractory material - Google Patents

Mixture for producing refractory material Download PDF

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Publication number
RU2627514C1
RU2627514C1 RU2016128155A RU2016128155A RU2627514C1 RU 2627514 C1 RU2627514 C1 RU 2627514C1 RU 2016128155 A RU2016128155 A RU 2016128155A RU 2016128155 A RU2016128155 A RU 2016128155A RU 2627514 C1 RU2627514 C1 RU 2627514C1
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RU
Russia
Prior art keywords
mixture
refractory material
mullite
producing refractory
boron nitride
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RU2016128155A
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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
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • 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
    • C04B35/10—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 aluminium oxide

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  • Compositions Of Oxide Ceramics (AREA)

Abstract

FIELD: chemistry.
SUBSTANCE: burden for producing refractory material comprises the following, wt %: aluminium oxide 55.0-59.0; mullite 15.0-20.0; boron nitride 15.0-18.0; kaolin 8.0-10.0.
EFFECT: increased strength of products.
1 tbl

Description

Изобретение относится к производству огнеупорных материалов, используемых для изготовления изделий, работающих в условиях ударных и вибрационных нагрузок.The invention relates to the production of refractory materials used for the manufacture of products operating under shock and vibration loads.

Известна шихта для изготовления огнеупорного материала, содержащая, мас. %: оксид алюминия 55,0-65,0; муллит 15,0-20,0; нитрид бора 20,0-25,0 [1]. Изделия из такой шихты термостойки, однако имеют невысокую прочность, что ограничивает область их применения.Known mixture for the manufacture of refractory material containing, by weight. %: alumina 55.0-65.0; mullite 15.0-20.0; boron nitride 20.0-25.0 [1]. Products from such a charge are heat-resistant, however, have a low strength, which limits the scope of their application.

Задачей изобретения является повышение прочности изделий, изготовленных из шихты.The objective of the invention is to increase the strength of products made from a mixture.

Технический результат достигается тем, что шихта для изготовления огнеупорного материала, содержащая оксид алюминия, муллит, нитрид бора, дополнительно включает каолин при следующем соотношении компонентов, мас. %: оксид алюминия 55,0-59,0; муллит 15,0-20,0; нитрид бора 15,0-18,0; каолин 8,0-10,0.The technical result is achieved in that the mixture for the manufacture of refractory material containing aluminum oxide, mullite, boron nitride, further includes kaolin in the following ratio of components, wt. %: alumina 55.0-59.0; mullite 15.0-20.0; boron nitride 15.0-18.0; kaolin 8.0-10.0.

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 компоненты шихты: оксид алюминия (корунд), муллит, нитрид бора, каолин дозируют в требуемых количествах и смешивают. Полученную смесь увлажняют до 7-13% и прессуют из нее под давлением 25-30 МПа изделия требуемой конфигурации, которые обжигают при температуре 1280-1320°С.The components of the mixture ground to a powder state: alumina (corundum), mullite, boron nitride, kaolin are dosed in the required quantities and mixed. The resulting mixture is moistened to 7-13% and pressed from it 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 629197, 1978.1. SU 629197, 1978.

Claims (1)

Шихта для изготовления огнеупорного материала, содержащая оксид алюминия, муллит, нитрид бора, отличающаяся тем, что дополнительно включает каолин при следующем соотношении компонентов, мас. %: оксид алюминия 55,0-59,0; муллит 15,0-20,0; нитрид бора 15,0-18,0; каолин 8,0-10,0.The mixture for the manufacture of refractory material containing aluminum oxide, mullite, boron nitride, characterized in that it further includes kaolin in the following ratio of components, wt. %: alumina 55.0-59.0; mullite 15.0-20.0; boron nitride 15.0-18.0; kaolin 8.0-10.0.
RU2016128155A 2016-07-11 2016-07-11 Mixture for producing refractory material RU2627514C1 (en)

Priority Applications (1)

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RU2627514C1 true RU2627514C1 (en) 2017-08-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU622792A1 (en) * 1976-12-29 1978-09-05 Специализированная Проектно-Конструкторская Организация По Наладке Технологических Процессов Производства И Оказанию Помощи Предприятиям "Оргтехстром" Министерства Промышленности Строительных Материалов Латвийской Сср Refractory compound
SU629197A1 (en) * 1977-05-25 1978-10-25 Ордена Трудового Красного Знамени Институт Проблем Материаловедения Ан Украинской Сср Charge for making refractory material
SU833850A1 (en) * 1979-10-04 1981-05-30 Пензенский Политехнический Институт Charge for producing ceramic material
SU975677A1 (en) * 1981-03-04 1982-11-23 Государственный Научно-Исследовательский Институт Строительной Керамики "Ниистройкерамика" Batch for making refractories
CN102503459A (en) * 2011-10-12 2012-06-20 瑞泰科技股份有限公司 High-grade cordierite-mullite refractory material for ceramic kiln and production process thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU622792A1 (en) * 1976-12-29 1978-09-05 Специализированная Проектно-Конструкторская Организация По Наладке Технологических Процессов Производства И Оказанию Помощи Предприятиям "Оргтехстром" Министерства Промышленности Строительных Материалов Латвийской Сср Refractory compound
SU629197A1 (en) * 1977-05-25 1978-10-25 Ордена Трудового Красного Знамени Институт Проблем Материаловедения Ан Украинской Сср Charge for making refractory material
SU833850A1 (en) * 1979-10-04 1981-05-30 Пензенский Политехнический Институт Charge for producing ceramic material
SU975677A1 (en) * 1981-03-04 1982-11-23 Государственный Научно-Исследовательский Институт Строительной Керамики "Ниистройкерамика" Batch for making refractories
CN102503459A (en) * 2011-10-12 2012-06-20 瑞泰科技股份有限公司 High-grade cordierite-mullite refractory material for ceramic kiln and production process thereof

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