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RU2015119161A - METHOD FOR TWO-STAGE NITRATING FIRING OF VANADI-CONTAINING MATERIAL - Google Patents

METHOD FOR TWO-STAGE NITRATING FIRING OF VANADI-CONTAINING MATERIAL Download PDF

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Publication number
RU2015119161A
RU2015119161A RU2015119161A RU2015119161A RU2015119161A RU 2015119161 A RU2015119161 A RU 2015119161A RU 2015119161 A RU2015119161 A RU 2015119161A RU 2015119161 A RU2015119161 A RU 2015119161A RU 2015119161 A RU2015119161 A RU 2015119161A
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RU
Russia
Prior art keywords
firing
stage
containing material
vanadium
temperature
Prior art date
Application number
RU2015119161A
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Russian (ru)
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RU2607293C2 (en
Inventor
И Пэн
Бяо ШЭНЬ
Вэньйи ХЕ
Лу Е
Цзаолин ЛУ
Гуаньгцзинь ЧЖУ
Сяобо ДЭН
Сяоджицзянь ВАН
Original Assignee
ПанГан Груп Панжихуа Айрон энд Стил Рисёрч Инститьют Со., Лтд.
ПанГан Груп Рисёрч Инститьют Со., Лтд.
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Publication of RU2015119161A publication Critical patent/RU2015119161A/en
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Publication of RU2607293C2 publication Critical patent/RU2607293C2/en

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/22—Obtaining vanadium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

1. Способ двухстадийного нитрирующего обжига ванадийсодержащего материала, включающий: последовательное выполнение первой стадии обжига и второй стадии обжига сырья; где сырье представляет собой смесь ванадийсодержащего материала с добавкой соли натрия; температура на второй стадии обжига составляет 740-820°С; причем температура на второй стадии обжига превышает температуру на первой стадии обжига; а продолжительность как первой стадии обжига, так и второй стадии обжига составляет 60-300 минут.2. Способ по п. 1, в котором температура на первой стадии обжига составляет 650-760°С.3. Способ по п. 1 или 2, в котором температура на второй стадии обжига составляет 760-800°С.4. Способ по п. 1, в котором сырье содержит 5-50% масс. добавки соли натрия.5. Способ по п. 4, в котором сырье содержит 10-30% масс. добавки соли натрия.6. Способ по любому из пп. 1, 4 и 5, в котором добавка представляет собой неорганическую соль натрия.7. Способ по п. 6, в котором добавка соли натрия представляет собой карбонат натрия.8. Способ по п. 1, в котором ванадийсодержащий материал содержит 1-40% масс. VO.9. Способ по п. 8, в котором ванадийсодержащий материал содержит 5-30% масс. VO.10. Способ по п. 1, 8 или 9, в котором размер частиц ванадийсодержащего материала составляет 0,125 мм или меньше.1. The method of two-stage nitrating firing of vanadium-containing material, comprising: sequentially performing the first stage of firing and the second stage of firing of raw materials; where the raw material is a mixture of a vanadium-containing material with the addition of sodium salt; the temperature in the second stage of firing is 740-820 ° C; moreover, the temperature in the second stage of firing exceeds the temperature in the first stage of firing; and the duration of both the first firing stage and the second firing stage is 60-300 minutes. 2. The method according to claim 1, wherein the temperature in the first stage of firing is 650-760 ° C. 3. The method according to claim 1 or 2, in which the temperature in the second stage of firing is 760-800 ° C. 4. The method according to p. 1, in which the raw material contains 5-50% of the mass. sodium salt additives. 5. The method according to p. 4, in which the raw material contains 10-30% of the mass. sodium salt additives. 6. The method according to any one of paragraphs. 1, 4 and 5, in which the additive is an inorganic sodium salt. 7. The method of claim 6, wherein the sodium salt additive is sodium carbonate. The method according to p. 1, in which the vanadium-containing material contains 1-40% of the mass. VO. 9. The method according to p. 8, in which the vanadium-containing material contains 5-30% of the mass. VO.10. The method of claim 1, 8 or 9, wherein the particle size of the vanadium-containing material is 0.125 mm or less.

Claims (10)

1. Способ двухстадийного нитрирующего обжига ванадийсодержащего материала, включающий: последовательное выполнение первой стадии обжига и второй стадии обжига сырья; где сырье представляет собой смесь ванадийсодержащего материала с добавкой соли натрия; температура на второй стадии обжига составляет 740-820°С; причем температура на второй стадии обжига превышает температуру на первой стадии обжига; а продолжительность как первой стадии обжига, так и второй стадии обжига составляет 60-300 минут.1. The method of two-stage nitrating firing of vanadium-containing material, comprising: sequentially performing the first stage of firing and the second stage of firing of raw materials; where the raw material is a mixture of a vanadium-containing material with the addition of sodium salt; the temperature in the second stage of firing is 740-820 ° C; moreover, the temperature in the second stage of firing exceeds the temperature in the first stage of firing; and the duration of both the first stage of firing and the second stage of firing is 60-300 minutes. 2. Способ по п. 1, в котором температура на первой стадии обжига составляет 650-760°С.2. The method according to p. 1, in which the temperature in the first stage of firing is 650-760 ° C. 3. Способ по п. 1 или 2, в котором температура на второй стадии обжига составляет 760-800°С.3. The method according to p. 1 or 2, in which the temperature in the second stage of firing is 760-800 ° C. 4. Способ по п. 1, в котором сырье содержит 5-50% масс. добавки соли натрия.4. The method according to p. 1, in which the raw material contains 5-50% of the mass. sodium salt additives. 5. Способ по п. 4, в котором сырье содержит 10-30% масс. добавки соли натрия.5. The method according to p. 4, in which the raw material contains 10-30% of the mass. sodium salt additives. 6. Способ по любому из пп. 1, 4 и 5, в котором добавка представляет собой неорганическую соль натрия.6. The method according to any one of paragraphs. 1, 4 and 5, in which the additive is an inorganic salt of sodium. 7. Способ по п. 6, в котором добавка соли натрия представляет собой карбонат натрия.7. The method of claim 6, wherein the sodium salt additive is sodium carbonate. 8. Способ по п. 1, в котором ванадийсодержащий материал содержит 1-40% масс. V2O5.8. The method according to p. 1, in which the vanadium-containing material contains 1-40% of the mass. V 2 O 5 . 9. Способ по п. 8, в котором ванадийсодержащий материал содержит 5-30% масс. V2O5.9. The method according to p. 8, in which the vanadium-containing material contains 5-30% of the mass. V 2 O 5 . 10. Способ по п. 1, 8 или 9, в котором размер частиц ванадийсодержащего материала составляет 0,125 мм или меньше. 10. The method according to p. 1, 8 or 9, in which the particle size of the vanadium-containing material is 0.125 mm or less.
RU2015119161A 2014-05-21 2015-05-21 Method for two-step sodium calcining of vanadium-containing material RU2607293C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410215961.4 2014-05-21
CN201410215961.4A CN103993159A (en) 2014-05-21 2014-05-21 Two-stage sodium salt roasting method of vanadium-containing material

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RU2015119161A true RU2015119161A (en) 2016-12-10
RU2607293C2 RU2607293C2 (en) 2017-01-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115772600A (en) * 2021-09-08 2023-03-10 北京工商大学 A segmented roasting device and roasting method for converting vanadium-containing substances in stone coal into V2O5

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111321311A (en) * 2020-04-26 2020-06-23 攀钢集团钒钛资源股份有限公司 Method for extracting vanadium by converting vanadium slag into salt twice
CN112833668B (en) * 2020-12-31 2023-02-28 重庆长江造型材料（集团）股份有限公司 Distributed thermal cracking system of roasting furnace

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US4039582A (en) * 1975-12-29 1977-08-02 Gakif Zakirovich Nasyrov Method of preparing vanadium pentoxide
AU514936B2 (en) * 1977-12-02 1981-03-05 Nop Inc Recovering vanadium values
SU1344803A1 (en) * 1986-06-17 1987-10-15 Пермский политехнический институт Method of processing vanadium-containing converter slags
DE3711371A1 (en) * 1987-04-04 1988-10-20 Metallgesellschaft Ag Process for winning V2O5
RU2033448C1 (en) * 1990-10-22 1995-04-20 Пермский государственный технический университет Method of processing of vanadium-containing converter slag
CN101215005B (en) * 2008-01-14 2011-08-03 攀钢集团攀枝花钢铁研究院有限公司 Method for producing vanadium pentoxide by utilizing vanadium slag
CN101900486B (en) * 2010-04-02 2012-04-18 攀钢集团冶金工程技术有限公司 Multi-layer roasting furnace masonry method and hearth replacement method
NL2005158C2 (en) * 2010-07-26 2012-01-30 Greenshores Patent B V Process for isolating vanadium from a solid composition.
CN102851507B (en) * 2012-08-21 2014-02-19 攀钢集团研究院有限公司 Vanadium slag sodium modification roasting method
CN102923774B (en) * 2012-11-09 2015-04-08 四川省川威集团有限公司 Method for adding high-calcium vanadium slag to perform sodium salt roasting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115772600A (en) * 2021-09-08 2023-03-10 北京工商大学 A segmented roasting device and roasting method for converting vanadium-containing substances in stone coal into V2O5

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RU2607293C2 (en) 2017-01-10
CN103993159A (en) 2014-08-20

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