The basis of the entire drying process is the correct draft for warm air, which is provided by the exhaust fan or an exhaust fan assembly and heat exchanger with gas (or oil) burner. The number of fans in the dryer depends on the possibility of drying the grain in tonnes per day. The SD2 dryer is an average dryer and its drying capacity is to 120 t / 24h depending on the number of drying panels (SD2 dryer model).
The cleaned grain falls into the charging chamber and falls to the very bottom of the selection element. The selecting element provides resistance to the further path of the grain. After reaching the appropriate temperature and humidity parameters, the material is cooled with outside air and passed through the selection element in appropriate portions for further processing.
The dryer has electrical and electronic equipment (measurement-work). Behind the dryer there is the main control cabinet with all electrical apparatus and electronic equipment controlling the whole work. The entire drying process can be looked after and checked by one person. The most difficult element of the drying process is the so-called entering the process of proper drying, which can sometimes take a few hours to reconcile. It depends on the moisture content of the grain and the outside conditions.
The pre-drying process can also be cumbersome due to different batches of grains with different humidity. In the subsequent drying process, proper use of recirculation (mixing) of the material allows to reduce this. Basically, after entering continuous operation, the process is correct and uninterrupted until the entire batch of material is dried.
It should be taken into account that the greatest losses during drying result from interruption of the continuous drying process.
We encourage you to contact us by phone or e-mail regarding the SD DRYER. We provide advice in the selection and configuration of an assortment. Our experts will explain all technical matters related to AG-PROJEKT products.
At this level, the grain is cooled with air to the ambient temperature - the roof color is blue
Air flows from the cold air hatch through the roofs to the exhaust duct.
The discharge element consists of a discharge cage and discharge hopper. The discharge cage operation is based in this model on electric servomotors and induction sensors.
The discharge cage operation is based in this model on an electric cylinder
Grain outlet from under the dryer
The dial system works closely with the electric actuator.
Sensors in combination with the actuator ensures stable and even operation.
Cooling element air inlet hatch
Ambient air enters the cooling element channel and, flowing through the canopies, cools the grain.
Hot air main duct
Direct chamber above the furnace exchanger
Chimney carrying flue gases
Hatch to the warm air duct
At these levels, the grain is subjected to a warm air drying process.
The air directly goes under the red roofs from the hot air duct.
At these levels, the grain is dried with warm air.
Warm air passes through the grain and receives moisture coming out from under the yellow roofs towards the exhaust duct.
Main charging chamber
This level also has MAX level dryer charge sensors. and MIN. Sensors maintain the correct charge of the dryer and control the dryer charging devices
Cleaner at the dryer inlet
A cleaner such as WAG, which initially eliminates minor impurities.
Exhaust air outlet opening
Drying elements for the warm air duct.
Lower air extraction duct
At this level there is also a service entrance to the exhaust duct.
At the level of the charging elements there is a hatch enabling entry into the charging chamber.
Service hatch allows us to maintain and service the dryer
There are platforms, ladders all over the dryer.
This type of instrumentation ensures safe servicing and maintenance of the dryer.
PIEC AG z palnikiem.
Funnel feeds MAX and MIM sensors or only MIN depending on the model and solutions.
Sensors in combination with the actuator ensures stable and even operation.
Outlet temperature measurement from under the roofs of the dryer.
Measurement of inlet temperature under canopies.
Properly selected fan or exhaust fans.
The power of the fan or fan is selected depending on the levels (height) of the dryer. The thrust must ensure proper airflow. For the proper operation of the fans, frequency converters are used to regulate the fan speed.
Appropriate equipment controls the process of proper operation of the fans and uniform air supply depending on the parameters prevailing in the dryer.
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