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APPARATUS FOR MANUFACTURING NITROGEN-CONCENTRATED LIQUID FERTILIZER USING LIVESTOCK MANURE, AND MANUFACTURING METHOD OF NITROGEN-CONCENTRATED LIQUID FERTILIZER USING THE SAME
APPARATUS FOR MANUFACTURING NITROGEN-CONCENTRATED LIQUID FERTILIZER USING LIVESTOCK MANURE, AND MANUFACTURING METHOD OF NITROGEN-CONCENTRATED LIQUID FERTILIZER USING THE SAME
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机译：利用畜禽粪便制造氮浓缩液肥料的装置和利用该方法制造氮浓缩液肥的方法
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摘要
Provided is a method which can manufacture a liquid fertilizer with high concentration and high quality by removing foam generated during a vacuum evaporation process using livestock excrement. The present invention relates to a manufacturing apparatus of a concentrated nitrogen liquid fertilizer, which comprises: a reaction tank (100) to extract an active nitrogen ingredient from livestock excrement via a vacuum evaporation process; a cooling unit (200) condensing the active nitrogen ingredient extracted in the reaction tank (100), and discharging condensate; and a recovery tank (300) to recover the condensate discharged from the cooling unit (200). The manufacturing apparatus of a concentrated nitrogen liquid fertilizer further comprises: a control unit (150) controlling the temperature and pressure of the reaction tank (100); and a foam filtration unit (130) removing foam from livestock excrement in the reaction tank (100). The foam filtration unit (130) comprises a foam filter (131) which protrudes to be convex downwards in the direction of a central axis (k) of the reaction tank (100).
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