Production method for preparing superfine molybdenum powder in low temperature reduction mode
The invention discloses an energy-saving and environment-friendly production method for preparing superfine molybdenum powder in a low temperature reduction mode. According to the technical scheme, the production method for preparing superfine molybdenum powder in the low temperature reduction mode...
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| creator | QIAO HUAGUO YANG BIN |
| description | The invention discloses an energy-saving and environment-friendly production method for preparing superfine molybdenum powder in a low temperature reduction mode. According to the technical scheme, the production method for preparing superfine molybdenum powder in the low temperature reduction mode is characterized by comprising the following steps that (1) primary reduction is conducted, ammonium molybdate is placed into a first single-tube reduction furnace for conducting primary reduction, the reduction temperature is 450 DEG C, the constant temperature power is two kilowatts, the hydrogen consumption amount is 3 cubic meters per hour, and the reduction time is 60-90 minutes; (2) secondary reduction is conducted, a product after primary reduction in the first step is placed into a second single-tube reduction furnace for conducting secondary reduction, the reduction temperature is 750 DEG C, and the reduction time is 60-90 minutes. |
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According to the technical scheme, the production method for preparing superfine molybdenum powder in the low temperature reduction mode is characterized by comprising the following steps that (1) primary reduction is conducted, ammonium molybdate is placed into a first single-tube reduction furnace for conducting primary reduction, the reduction temperature is 450 DEG C, the constant temperature power is two kilowatts, the hydrogen consumption amount is 3 cubic meters per hour, and the reduction time is 60-90 minutes; (2) secondary reduction is conducted, a product after primary reduction in the first step is placed into a second single-tube reduction furnace for conducting secondary reduction, the reduction temperature is 750 DEG C, and the reduction time is 60-90 minutes.</description><language>chi ; eng</language><subject>CASTING ; MAKING METALLIC POWDER ; MANUFACTURE OF ARTICLES FROM METALLIC POWDER ; PERFORMING OPERATIONS ; POWDER METALLURGY ; TRANSPORTING ; WORKING METALLIC POWDER</subject><creationdate>2014</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20141001&DB=EPODOC&CC=CN&NR=104070176A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20141001&DB=EPODOC&CC=CN&NR=104070176A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>QIAO HUAGUO</creatorcontrib><creatorcontrib>YANG BIN</creatorcontrib><title>Production method for preparing superfine molybdenum powder in low temperature reduction mode</title><description>The invention discloses an energy-saving and environment-friendly production method for preparing superfine molybdenum powder in a low temperature reduction mode. 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According to the technical scheme, the production method for preparing superfine molybdenum powder in the low temperature reduction mode is characterized by comprising the following steps that (1) primary reduction is conducted, ammonium molybdate is placed into a first single-tube reduction furnace for conducting primary reduction, the reduction temperature is 450 DEG C, the constant temperature power is two kilowatts, the hydrogen consumption amount is 3 cubic meters per hour, and the reduction time is 60-90 minutes; (2) secondary reduction is conducted, a product after primary reduction in the first step is placed into a second single-tube reduction furnace for conducting secondary reduction, the reduction temperature is 750 DEG C, and the reduction time is 60-90 minutes.</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CASTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER |
| title | Production method for preparing superfine molybdenum powder in low temperature reduction mode |
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