Device and method for continuous kettle type production of bupirimate

The invention discloses a device and a method for continuous kettle type production of bupirimate. Comprising a toluene storage tank, a triethylamine storage tank, a dimethylamino sulfonyl chloride storage tank, a transfer pump, an ethirimol and toluene mixing kettle, an ethirimol and toluene dropwise adding kettle, a first reaction kettle, a second reaction kettle, a third reaction kettle, a fourth reaction kettle, a crude product receiving kettle, a condenser, a tail gas system and an S-shaped connecting pipe. The first reaction kettle, the ethirimol and toluene mixing kettle and the ethirimol and toluene dripping kettle are sequentially arranged from top to bottom; a condenser is arranged above the ethirimol toluene dripping kettle, the reaction kettle and the crude product receiving kettle, the condenser is communicated with the reaction kettle, the crude product receiving kettle is arranged on the right side of the reaction kettle, the lower end of the reaction kettle is communicated with the upper end o