| abstract |
The utility model relates to a kind of trioxymethylene lightness-removing column separator and adds buck cleaning device, comprises alkali-prepared tank, alkali lye transferpump, alkali lye line of pipes, de-salted water pipeline, mixing tank, strainer, trioxymethylene storage tank, trioxymethylene material-handling pump and trioxymethylene lightness-removing column separator.The utility model device achieves the accurate control of alkali lye, de-salted water under meter proportioning; achieve trioxymethylene and alkali lye, fully the contacting and high efficient mixed of de-salted water; extend mixing time; be more conducive to the removing of the impurity such as formaldehyde; protect trioxymethylene not to be decomposed simultaneously; improve the separating effect of trioxymethylene lightness-removing column separator, the finished product quality is improved. |