Preparation method and production device of phosphorus-potassium nitrate compound fertilizer
The invention discloses a preparation method and a production device of a phosphorus-potassium nitrate compound fertilizer. The preparation method mainly comprises the following steps: fully mixing powdery potassium salt, monoammonium phosphate, nitrophosphate and an additive to generate flowing mel...
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| creator | CHANG XUEHUA LI JIANCHUAN YAN HUABING LIAN FAN YANG WENLONG YANG WEIMING SHI BIN DING MINGGONG CHEN FEI CUI HUIFENG |
| description | The invention discloses a preparation method and a production device of a phosphorus-potassium nitrate compound fertilizer. The preparation method mainly comprises the following steps: fully mixing powdery potassium salt, monoammonium phosphate, nitrophosphate and an additive to generate flowing melt slurry, and preparing a spherical granular finished product through a compound fertilizer granulation tower, wherein the finished product comprises the following components in parts by weight: 12-22 parts of nitrogen fertilizer in terms of N, 6-18 parts of phosphate fertilizer in terms of P2O5 and9-21 parts of potassium fertilizer in terms of K2O; the device comprises a raw material hopper, a vibrating screen, a melting tank, a mixing tank, a reaction tank, a prilling tower and the like whichare sequentially connected through pipelines, a feeding metering scale is arranged at a feeding port of the melting tank, a bag-type dust collector is arranged at a waste gas emission position of thecooling machine, a particl |
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The preparation method mainly comprises the following steps: fully mixing powdery potassium salt, monoammonium phosphate, nitrophosphate and an additive to generate flowing melt slurry, and preparing a spherical granular finished product through a compound fertilizer granulation tower, wherein the finished product comprises the following components in parts by weight: 12-22 parts of nitrogen fertilizer in terms of N, 6-18 parts of phosphate fertilizer in terms of P2O5 and9-21 parts of potassium fertilizer in terms of K2O; the device comprises a raw material hopper, a vibrating screen, a melting tank, a mixing tank, a reaction tank, a prilling tower and the like whichare sequentially connected through pipelines, a feeding metering scale is arranged at a feeding port of the melting tank, a bag-type dust collector is arranged at a waste gas emission position of thecooling machine, a particl</description><language>chi ; eng</language><subject>CHEMISTRY ; FERTILISERS ; FERTILISERS CHARACTERISED BY THEIR FORM ; MANUFACTURE THEREOF ; METALLURGY ; MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 ; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS</subject><creationdate>2021</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=20210226&DB=EPODOC&CC=CN&NR=112409108A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210226&DB=EPODOC&CC=CN&NR=112409108A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHANG XUEHUA</creatorcontrib><creatorcontrib>LI JIANCHUAN</creatorcontrib><creatorcontrib>YAN HUABING</creatorcontrib><creatorcontrib>LIAN FAN</creatorcontrib><creatorcontrib>YANG WENLONG</creatorcontrib><creatorcontrib>YANG WEIMING</creatorcontrib><creatorcontrib>SHI BIN</creatorcontrib><creatorcontrib>DING MINGGONG</creatorcontrib><creatorcontrib>CHEN FEI</creatorcontrib><creatorcontrib>CUI HUIFENG</creatorcontrib><title>Preparation method and production device of phosphorus-potassium nitrate compound fertilizer</title><description>The invention discloses a preparation method and a production device of a phosphorus-potassium nitrate compound fertilizer. 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| subjects | CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS |
| title | Preparation method and production device of phosphorus-potassium nitrate compound fertilizer |
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