Automatic control of the air temperature for the fruit drier chamber
2015
Matić, Dragan (Faculty of Technical Science, Novi Sad (Serbia)) | Bugarski, Vladimir (Faculty of Technical Science, Novi Sad (Serbia)) | Kamenko, Ilija (Faculty of Technical Science, Novi Sad (Serbia)) | Nikolić, Perica (Faculty of Technical Science, Novi Sad (Serbia))
In this paper, it is given a proposal for air temperature control in the process of fruit drying for one real system. The process of temperature control for convective drier can be presented as a single input single output system. The convective drier consists of the inlet branch equipped with the fan for supply of atmospheric air to the drying chamber. Atmospheric air passes through the heat exchanger and heats up. Heated air passes on to the fruit drier chamber where the fruit material is placed. For the regulation of the air temperature a PID digital controller is used. The controller has one standard current analog input and output 4-20 mA. It is equipped with display for temperature setpoint and process value presentation. For air temperature measurement Pt100 temperature probe with the transmitter is used. As the actuator electrically driven three way valve is used which regulates amount of hot water going into the heat exchanger.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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