Rapid pretreatment device for light transmittance detection of potassium sorbate

The utility model belongs to the technical field of potassium sorbate production, and particularly relates to a rapid pretreatment device for potassium sorbate transmittance detection, which comprises a workbench, and a liquid storage tank and a suction filtration mechanism are sequentially arranged on the workbench; the liquid storage tank is connected with the suction filtration mechanism, and the suction filtration mechanism is used for adsorption filter pressing of mixed liquid; a solution cup for containing a mixed solution is arranged on one side of the suction filtration mechanism; a temperature sensor, a heat preservation layer, a heat conduction layer and a heater are arranged in the liquid storage tank; the temperature sensor is arranged on one side of the liquid storage tank and is used for detecting the temperature in the liquid storage tank; the heat conduction layer is arranged in the liquid storage tank; the heat preservation layer is arranged on the inner wall of the liquid storage tank and lo