4-amino-antipyrine production device

The utility model relates to a 4-amino-antipyrine production device. The 4-amino-antipyrine production device comprises a first pyrazolone storage bin and is characterized in that the first pyrazolone storage bin and a first dimethyl sulfate measuring tank are respectively connected to a first methylation tank which is connected to a first hydrolysis tank, and the first hydrolysis tank is connected to an alkali treatment tank which is connected to an antipyrine oil storage tank; a second pyrazolone storage bin and a second dimethyl sulfate measuring tank are respectively connected to a second methylation tank which is connected to a second hydrolysis tank, the second hydrolysis tank, the antipyrine oil storage tank and a third water measuring tank are respectively connected to an antipyrine sulfuric acid quaternary ammonium salt allocation tank, the antipyrine sulfuric acid quaternary ammonium salt allocation tank and a sodium nitrite measuring tank are respectively connected to a nitrosation reaction tank which is connected to a reduction reaction tank, and the reduction reaction tank is connected to a hydrolysis neutralization tank; and the first hydrolysis tank is connected to a liquid caustic soda measuring tank. The 4-amino-antipyrine production device is environment-friendly, simple in process, convenient to operate and high in product yield.