Preparation device of wheat oligopeptide chelated calcium

The utility model relates to a device for preparing wheat oligopeptide chelated calcium, which comprises a jacketed reaction kettle provided with a stirrer, and an alkali supplementing pipeline, an acid supplementing pipeline and a calcium source water solution pipeline which are respectively connected with a first feed port, a second feed port and a third feed port on the jacketed reaction kettle, the alkali supplementing pipeline, the acid supplementing pipeline and the calcium source aqueous solution pipeline are connected with a material source through independent pumps; a fourth feeding hole for introducing a polypeptide solution is formed in the top of the jacketed reaction kettle, and a discharging hole opened and closed through a valve is formed in the bottom of the jacketed reaction kettle; the device comprises an electric heating steam generator which is communicated with a jacket of a jacket reaction kettle through a steam pipeline, the device comprises a water source connected with a jacket of the