Cleaning device of experimental appliance

The invention relates to a cleaning device of an experimental appliance, which comprises an air compressor (1), a gas-liquid mixing cabin (3), a washing tank (8) and at least one detergent tank (11), wherein the cleaning device is connected by a pipeline and equipped with a valve and pump, cleaning spraying nozzles (9) are disposed on a cleaning pipe (10), the cleaning spraying nozzles (9) are disposed upwards above the cleaning tank (8) and form an array of the cleaning spraying nozzles (9), the cleaning spraying nozzle (9) comprises a nozzle (91) and a nozzle pipe (96), a bushing (92) is disposed outside the nozzle pipe (96), the cleaning spraying nozzle (9) is shaped like an interbedded bushing, and an annular sealing plug (94) is disposed on the bushing (92). In comparison with the prior art, in the cleaning device of the experimental appliance provided by the invention, control of the valve and the pump and coordination with work of the air compressor effectively realize successive absorption of different organic solutions, detergents or cleaning agents which are used for cleaning. After the cleaning, cold wind or hot wind can be blown in to dry the experimental appliance. The cleaning device has high efficiency and good cleaning effect.