RU2007110396A - METHOD FOR PRODUCING REFRACTORY PRODUCTS FROM CHROMIUM OXIDE - Google Patents

METHOD FOR PRODUCING REFRACTORY PRODUCTS FROM CHROMIUM OXIDE Download PDF

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Publication number
RU2007110396A
RU2007110396A RU2007110396/03A RU2007110396A RU2007110396A RU 2007110396 A RU2007110396 A RU 2007110396A RU 2007110396/03 A RU2007110396/03 A RU 2007110396/03A RU 2007110396 A RU2007110396 A RU 2007110396A RU 2007110396 A RU2007110396 A RU 2007110396A
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RU
Russia
Prior art keywords
mixture
chromium oxide
briquettes
binder
fraction
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Application number
RU2007110396/03A
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Russian (ru)
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RU2348593C2 (en
Inventor
Борис Лазаревич Красный (RU)
Борис Лазаревич Красный
Original Assignee
Закрытое Акционерное общество Научно-технический центр "Бакор" (RU)
Закрытое акционерное общество Научно-технический центр "Бакор"
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Application filed by Закрытое Акционерное общество Научно-технический центр "Бакор" (RU), Закрытое акционерное общество Научно-технический центр "Бакор" filed Critical Закрытое Акционерное общество Научно-технический центр "Бакор" (RU)
Priority to RU2007110396/03A priority Critical patent/RU2348593C2/en
Publication of RU2007110396A publication Critical patent/RU2007110396A/en
Application granted granted Critical
Publication of RU2348593C2 publication Critical patent/RU2348593C2/en

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Claims (1)

Способ изготовления огнеупорных изделий из оксида хрома, включающий предварительное изготовление брикетов из шихты, содержащей оксид хрома, оксид титана и связующее, прессование, обжиг в окислительной среде, дробление и измельчение брикетов, рассев по фракциям, изготовление формовочной смеси из фракционированных порошков и связующего, формование, сушку и обжиг в окислительной среде, отличающийся тем, что при изготовлении брикетов в шихту в качестве связующего вводят ортофосфорную кислоту, брикеты обжигают в температурном интервале 600-1000°С, изготавливают фракции наполнителя и вводят их в предварительно изготовленную мелкодисперсную смесь из оксида хрома, оксида титана, увлажненную ортофосфорной кислотой до 4-12 мас.% сверх 100%, путем смешивания и гомогенизации получают формовочную смесь при содержании фракций, мас.%:A method of manufacturing refractory products from chromium oxide, including the preliminary manufacture of briquettes from a mixture containing chromium oxide, titanium oxide and a binder, pressing, calcining in an oxidizing medium, crushing and grinding briquettes, sieving by fractions, manufacturing a molding mixture of fractionated powders and a binder, molding , drying and roasting in an oxidizing medium, characterized in that in the manufacture of briquettes, phosphoric acid is introduced into the mixture as a binder, the briquettes are calcined in a temperature range of 600-1 000 ° C, filler fractions are made and introduced into a prefabricated finely divided mixture of chromium oxide, titanium oxide moistened with phosphoric acid to 4-12 wt.% In excess of 100%, by mixing and homogenization, a molding mixture is obtained at a fraction content of, wt.% : Фракция 0,5-2 ммFraction 0.5-2 mm 50fifty Фракция <0,5 ммFraction <0.5 mm 20twenty МелкодисперснаяFinely divided смесь <0,005 ммmixture <0.005 mm 30thirty
формуют полуфабрикат, сушат и обжигают в температурном интервале 1500±50°С.prefabricated, dried and fired in the temperature range 1500 ± 50 ° C.
RU2007110396/03A 2007-03-22 2007-03-22 Method of manufacturing of refractory products of chrome oxide RU2348593C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007110396/03A RU2348593C2 (en) 2007-03-22 2007-03-22 Method of manufacturing of refractory products of chrome oxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007110396/03A RU2348593C2 (en) 2007-03-22 2007-03-22 Method of manufacturing of refractory products of chrome oxide

Publications (2)

Publication Number Publication Date
RU2007110396A true RU2007110396A (en) 2008-09-27
RU2348593C2 RU2348593C2 (en) 2009-03-10

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RU2007110396/03A RU2348593C2 (en) 2007-03-22 2007-03-22 Method of manufacturing of refractory products of chrome oxide

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108779037B (en) * 2016-02-05 2021-12-14 圣戈本陶瓷及塑料股份有限公司 Chromium oxide refractory object and method of forming the same

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RU2348593C2 (en) 2009-03-10

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Effective date: 20110323