Polycarbonate diol online viscosity detection device and detection method thereof

The invention discloses a polycarbonate diol on-line viscosity detection device and a detection method thereof, when the device is used for producing chemical materials at high temperature, the device comprises a detection cup, the detection cup is provided with a feeding and discharging channel communicated with a reaction kettle, and the feeding and discharging channel is provided with a feeding and discharging valve; a thermometer and a viscometer are arranged in the detection cup; the detection cup is provided with a pressure adjusting unit for controlling the internal pressure of the detection cup, and feeding and discharging of materials in the detection cup are controlled through the pressure difference. According to the invention, the viscosity of the chemical material can be detected on line without stopping production during high-temperature production of the chemical material. 本发明公开了一种聚碳酸酯二元醇在线粘度检测装置及其检测方法，所述装置用于高温生产化工物料时，该装置包括检测杯，该检测杯设置有与反应釜连通的进出料通道，在该进出料通道上开设有进出料阀门；该检测杯内设置有温度计和粘度计；所述检测杯设置有控制检测杯内部