SU353929A1 - YASHNIO-SCHNES! "Ivliotbkamasa dl - Google Patents

YASHNIO-SCHNES! "Ivliotbkamasa dl

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Publication number
SU353929A1
SU353929A1 SU1601291A SU1601291A SU353929A1 SU 353929 A1 SU353929 A1 SU 353929A1 SU 1601291 A SU1601291 A SU 1601291A SU 1601291 A SU1601291 A SU 1601291A SU 353929 A1 SU353929 A1 SU 353929A1
Authority
SU
USSR - Soviet Union
Prior art keywords
oxide
yashnio
schnes
ivliotbkamasa
products
Prior art date
Application number
SU1601291A
Other languages
Russian (ru)
Original Assignee
И. В. Семкина , Г. Л. Мамаева
Восточный научно исследовательский , проектный инсти огнеупорной промышленности
Всесоюзна ,
Publication of SU353929A1 publication Critical patent/SU353929A1/en

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Description

Изобретение относитс  к огнеупорной нромышлениости и может быть использовано, например, дл  защиты термопар при измерении температуры жидкой стали в конвертерах и других тепловых агрегатов.The invention relates to refractory materials and materials and can be used, for example, to protect thermocouples when measuring the temperature of liquid steel in converters and other thermal units.

Известна масса дл  изготовлени  огнеупо)ных изделий, включающа  окись магн1   и добавку окиси бора.A known mass for the manufacture of refractory products, including magnesia and the addition of boron oxide.

Предлагаема  масса обладает повышенно плотностью и механической прочностью.The proposed mass has an increased density and mechanical strength.

Достигаетс  это тем, что она дополн 1тельно содержит окись циркони  нри следующем соотнощении компонентов, вес. %:This is achieved by the fact that it additionally contains zirconium oxide in the following ratio of components, weight. %:

Окись магни 88,5-95,5Magnesium oxide 88.5-95.5

Окись бора0,5-1,5Boron oxide 0.5-1.5

Окись цирко1 и 4-10Oxide zirko1 and 4-10

Пример изготовлени  защитиы.х иаконеч |иков из предлагаемой массы.An example of the manufacture of defensive materials from the proposed mass.

В качестве окиси магии  используют плавленную окись магнн , молотую в вибромель1шце до размера частиц менее 5 мк. В качестве добавок - тонкомолотую двуокись циркони  и 0 ч:ись бора с размером частиц 2 мк.As an oxide of magic, fused magnic oxide is used, ground in vibromel1shtse to a particle size less than 5 microns. As additives, it is finely ground zirconia and 0 h: is boron with a particle size of 2 microns.

Добавки ввод т, нанример, в количестве 4 вес. % Zr02 Оа i 1 вес. % ВоОз путем совместного смеше и  в вибромельнице.Additives are introduced, nano, in an amount of 4 wt. % Zr02 Oa i 1 weight. % Of boz by joint mixing and in a vibromill.

Издели  готов т в виде чехлов длиной 150 мм, диал етром 25 мм, толщииой стенки 4-5 мм методом прот жки з масс на парафине с последуюни1М отжигом св зки и обжигом изделий ир 1650-1700 С.jThe products are made in the form of covers 150 mm long, 25 mm in diameter, 4-5 mm thick wall by drawing waxes on paraffin, followed by annealing of the binder and burning of products 1650-1700 C.

Получе 1ные издели  имеют кажуи1,уюс | плотиость О-1%, предел прочности нри сжатии 1000-2000 кг/см, термостойкость при t среды 1300°С -воздух - 7-12.|Get the 1st items have cajay1, us | O-1% density, ultimate compressive strength 1000-2000 kg / cm, heat resistance at 1300 ° C environment - air - 7-12. |

Предмет изобретени ISubject of invention i

Масса дл  изготовлени  orHeynopiHiix изделий , включаюн1а  окись магни  и окись бора, отличающа с  тем, что, с целью повьинени  нлотиост мсханической плотности, она донолн 1телы1о содержит О ;нсь цнркони  приThe mass for the manufacture of orHeynopiHiix products, including magnesium oxide and boron oxide, is characterized in that, in order to improve the microscopic density, it contains 1 body of O1;

следующел соотиошен комиоиеитов, вес. %:following comioisoitov soot weight. %:

88,5-95,588.5-95.5

0,5-1,50.5-1.5

бора  bora

4-10 Окись циркони 4-10 Zirconium oxide

SU1601291A YASHNIO-SCHNES! "Ivliotbkamasa dl SU353929A1 (en)

Publications (1)

Publication Number Publication Date
SU353929A1 true SU353929A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4879101A (en) * 1985-06-17 1989-11-07 Shin Nihon Chemical Industry Co., Ltd. Method for producing a magnesia powder for use as an electrical insulating material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4879101A (en) * 1985-06-17 1989-11-07 Shin Nihon Chemical Industry Co., Ltd. Method for producing a magnesia powder for use as an electrical insulating material

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