EXPERIMENTAL STAND FOR VERIFICATION RESEARCH heat and mass transfer in a tumble dryer

摘要

Use: in the chemical industry, building materials industry. SUMMARY Utility Model: Experimental stand for research of heat and mass in a tumble dryer, consisting in measuring parameters of interacting media - material to be dried and gas drying agent - the length of the drying drum comprising a portion of research in the form of a rotatable drum with sensors measuring the parameters of the interacting media at the inlet research site and at its outlet, the site preparation and loading into the drum drying material and input sushilnog agent as well as a discharge chamber. New in the test bench is that the studies on the length portion is part of the drum length investigated dryer with studies performed by a series of successive experiments, in each of which, except the first regulation parameter inlet studies portion set value of the drying parameters material and the drying agent corresponding to the measured values ​​of these parameters at the output of the research area in the previous experiment, in During the first experiment, the input parameter values set corresponding to the input parameters investigated dryer, the total number of parameters must be made equal to n = L / L ¹ where L - length of the drum dryer investigated, L ¹ - length of section studies in experimental stand. Furthermore, the claimed experimental stand modeling interaction media in a drum cross-section in the area of ​​research may be performed based on the flow ratio in the investigated dryer. Furthermore, the inventive test bench may be provided with a humidifier bulk material installed on site preparation and loading of bulk material. Furthermore, the inventive pilot may be equipped with stand desiccant humidifier installed in air heater or after the radiator. Furthermore, the inventive test bench may be provided with a conveying device for moving particulate material from a hopper dry or partially dried material in the raw material hopper. Furthermore, the claimed experimental stand drying drum may be provided with an engine that allows to change its rotational speed.