Venturi fertilizer applicator
The invention relates to a venturi fertilizer applicator which comprises a contracting section, a diffusing section and a suction tube, wherein the contracting section and the diffusing section are connected through threads in a sealing mode; the transition section between the contracting section an...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to a venturi fertilizer applicator which comprises a contracting section, a diffusing section and a suction tube, wherein the contracting section and the diffusing section are connected through threads in a sealing mode; the transition section between the contracting section and the diffusing section is the throat; and the suction tube is connected to the joint of the contracting section and the diffusing section in a sealing mode and communicated with the throat. The invention is characterized in that a set of guide blades, which are evenly arranged in circumferential direction, are arranged in an inlet straight tube section at the front part of the contracting section; the guide blades are divided into an inflow section and an outflow section; the inflow section is flat; and the outflow section is bent in a circular arc of 60-90 degrees. The invention has the advantages of simple and ingenious structural design, high fertilizer suction efficiency and low overflow head loss, and can be |
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