Production apparatus and production method of sucrose-6-ester

A production apparatus of sucrose-6-ester, comprising:

• a distillation separation tank, a reaction tank, and a condensated water collection tank, wherein the distillation separation tank is arranged above the reaction tank and the condensated water collection tank;
• the distillation separation tank comprises a shell, a heating-roller distillation device, a feed pipe, a U-shaped plate, a plurality of heat exchange tubes, a condensated water outlet pipe, and a liquid evaporation residue discharge pipe;
• the heating-roller distillation device comprises a plurality of heating rollers horizontally and closely arranged from top to bottom between front and rear side walls of the shell;
• two ends of the U-shaped plate are fixed to bottoms of the front and rear side walls of the shell, respectively, and the U-shaped plate is arranged to be not in contact with left and right side walls and a bottom surface of the shell and forms a U-shaped cavity;
• the plurality of heat exchange tubes are arranged in an inner cavity formed by the U-shaped plate and penetrate through the front and rear side walls of the shell;
• the feed pipe is provided at a top of the shell, the condensated water outlet pipe is arranged at the bottom surface of the shell, and the liquid evaporation residue discharge pipe penetrates through the bottom surface of the shell and is connected to the U-shaped plate;
• the condensated water collection tank is connected to the condensated water outlet pipe;
• and
• the reaction tank is connected to the liquid evaporation residue discharge pipe.