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The first important part of corn dryers is the hot-blast furnace. The following types like: coal burning furnace, fuel burning furnace, natural gas burning furnace, and bio-fuel burning furnace will be available for users. The main function of the furnace is to provide dryer with hot air as the drying medium.
The most important part of the corn dryer is the drying machine. Its internal components are mainly composed of air intakes and angular boxes.
In the whole process, raw grain will first fill the drying container, then the hot-blast generated by the furnace will go through the air intakes and enter the inside of the machine. Corn flows slowly from top to bottom by gravity. Meanwhile the hot air flow through the corns layer by layer. In this process, heat is transferred from hot air to grain material to raise the grain temperature to make the moisture inside the material evaporate into the air and become exhausted air, then discharged into the air through the angular boxes. if the working temperature inside the dryer exceeds 150 degrees, or the temperature of corn more than 60 degrees, the quality of corn will be greatly affected. Corn dryer of Zhengzhou New Energy Technology Co.,Ltd , select the technology of tempering process, alternating high and low temperature drying multi-level segment, the corn into the cooling section, after cooling, cooling grain to grain storage temperature, then discharged from the grain discharge section greatly to ensure the quality of maize, but also save energy, making breakage rate of corn to 3‰ or less.


Corn dryer make use of the clean hot air as heat medium to dry grain. The interior of dryers is composed of angular ventilation boxes, which is arranged in a staggered arrangement. The angular boxes are filled with grains flowing downward. The hot air enters the intake angular box through the grain layer, and passes through the grain layer from above to below. The exhaust gas is discharged through the exhaust angular boxes.

1. Fully weather proof, can be installed and used in open air.
2. Mechanized and continuous operation, resulting in a stable and easy operation.
3. Be adaptable to various grains.
4. Dried grain can be immediately transferred to grain stores due to appropriate and even drying, enough tempering and cooling.
5. Free from pollution, quality of grain can be maintained.

Model DLLG100 DLLG150 DLLG200 DLLG250 DLLG300 DLLG400 DLLG500
Capacity (t/d) 
100 150 200 250 300 400 500
Reduce moisture range(%) 4~16
Heating medium Clean air
Hot-blast temperature(℃) < 120
Most bearing temperatureof grains(℃) 55
Unevenness of drying(%) < 2
Added value of breaking rate(%) < 0.5
Heat consumption per unit(kj/kgH2O) 5800
Coal consumption(standard coal)(kg/h) 60~230 90~345 120~460 150~575 180~690 240~1000 300~1380

Case introduction

Division I and many local enterprises to establish long-term cooperative relations, from the local customers, many customers in Inner Mongolia is attracted more customers to visit ordering, hope to build a benchmark......


Installation location:Inner Mongolia
Equipment name: Inner Mongolia Wulanchabu City's lignite production line
Production capacity: 1500t/d

E-MAIL:[email protected]

Zhengzhou Dingli New Energy Technology Co.,Ltd      Add:No.12 Hongye Road HI-TECH Development Zone, Zhengzhou,China