Device for continuously rectifying and refining cyanoacetate and technology thereof
The invention discloses a device for continuously rectifying and refining cyanoacetate and a technology thereof. In the device, the lower middle part of a cyanoacetate product tower is connected to arecycling kettle; the top of the cyanoacetate product tower is connected with a cyanoacetate product...
Gespeichert in:
| Hauptverfasser: | , , |
|---|---|
| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | The invention discloses a device for continuously rectifying and refining cyanoacetate and a technology thereof. In the device, the lower middle part of a cyanoacetate product tower is connected to arecycling kettle; the top of the cyanoacetate product tower is connected with a cyanoacetate product tower top reflowing tank through a cyanoacetate product tower top condenser and a cyanoacetate product tower top catcher; the cyanoacetate product tower top reflowing tank is connected with the upper middle part of the cyanoacetate product tower through a cyanoacetate product tower top reflowing pump; the top of a malonate second-grade rectifying tower is connected with a malonate second-grade rectifying tower top reflowing tank through a malonate second-grade rectifying tower top condenser anda malonate second-grade rectifying tower catcher; the malonate second-grade rectifying tower top reflowing tank is connected to the upper middle part of the malonate second-grade rectifying tower through a malonate second-gra |
|---|