SU147126A1 - Method of making refractory products - Google Patents

Method of making refractory products

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Publication number
SU147126A1
SU147126A1 SU722442A SU722442A SU147126A1 SU 147126 A1 SU147126 A1 SU 147126A1 SU 722442 A SU722442 A SU 722442A SU 722442 A SU722442 A SU 722442A SU 147126 A1 SU147126 A1 SU 147126A1
Authority
SU
USSR - Soviet Union
Prior art keywords
refractory products
making refractory
making
cryolite
boron carbide
Prior art date
Application number
SU722442A
Other languages
Russian (ru)
Inventor
П.Я. Бородулин
Г.В. Самсонов
Ю.Н. Семенов
Original Assignee
П.Я. Бородулин
Г.В. Самсонов
Ю.Н. Семенов
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 П.Я. Бородулин, Г.В. Самсонов, Ю.Н. Семенов filed Critical П.Я. Бородулин
Priority to SU722442A priority Critical patent/SU147126A1/en
Application granted granted Critical
Publication of SU147126A1 publication Critical patent/SU147126A1/en

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Description

Известен способ изготовлени  огнеунорных изделий на основе карбида бора. Однако известный способ не обеспечивает получени  огнеупорных изделий, стойких против действи  расплавленных металлов и сплавов, криолита и стекол.A known method for making boron carbide refractory products. However, the known method does not provide refractory products resistant to the action of molten metals and alloys, cryolite and glasses.

Предложенный способ лишен указанного недостатка; он отличаетс  от известного тем, что огнеупорные издели  изготавливают в виде прессованных заготовок из порошка карбида бора, пластифицированного добавкой декстрина или бакелитового лака с последуюш,им обжигом до спекани  в атмосфере очиш.енного азота при температуре 1800-1900 .The proposed method is devoid of the specified disadvantage; It differs from the well-known fact that refractory products are made in the form of pressed blanks from boron carbide powder, plasticized with the addition of dextrin or bakelite varnish and subsequently calcined before sintering in a clean nitrogen atmosphere at a temperature of 1800-1900.

Получаемые предложенным способом огнеупорные издели  состо т из нитрида бора и графита и имеют повышенную стойкость против расплавленных металлов и сплавов, криолита и стекол. Они могут быть использованы в производстве алюмини  электролизом расплавленных сред, дл  изготовлени  чехлов термопар дл  замеров температуры криолитовых расплавов, дл  изготовлени  сливных носков миксеров и т. п. огнеупорных изделий.The refractory products obtained by the proposed method consist of boron nitride and graphite and have increased resistance against molten metals and alloys, cryolite and glasses. They can be used in the production of aluminum by the electrolysis of molten media, for making covers of thermocouples for measuring the temperature of cryolite melts, for making drain socks for mixers, etc. of refractory products.

Предмет изобретени Subject invention

Способ изготовлени  огнеупорных изделий на основе карбида бора, отличающийс  тем, что, с целью повышени  их стойкости против расплавленных металлов и сплавов, криолита и стекол, таковые изготавливают в виде прессованных заготовок из порошка карбида бора, пластифицированного добавкой декстрина или бакелитового лака с последующим обжигом до спекани  в атмосфере очищенного азота при температуре 1800-1900°.A method of manufacturing boron carbide refractory products, characterized in that, in order to increase their resistance against molten metals and alloys, cryolite and glasses, they are made in the form of pressed blanks of boron carbide powder plasticized with the addition of dextrin or bakelite varnish with subsequent roasting to sintering in an atmosphere of purified nitrogen at a temperature of 1800-1900 °.

SU722442A 1961-03-21 1961-03-21 Method of making refractory products SU147126A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU722442A SU147126A1 (en) 1961-03-21 1961-03-21 Method of making refractory products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU722442A SU147126A1 (en) 1961-03-21 1961-03-21 Method of making refractory products

Publications (1)

Publication Number Publication Date
SU147126A1 true SU147126A1 (en) 1961-11-30

Family

ID=48302526

Family Applications (1)

Application Number Title Priority Date Filing Date
SU722442A SU147126A1 (en) 1961-03-21 1961-03-21 Method of making refractory products

Country Status (1)

Country Link
SU (1) SU147126A1 (en)

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