1. Collapsible Dryer Case™
GrainPro® CDC II™
Collapsible Dryer Case™
Doc. Code: TSD-PP002-1

2. INTRODUCTION
First type of the solar dryer made from black reinforced PVC materials
CDC I™
A low-cost and improved version of CDC Solar Dryer made of woven coated black PE materials and inflatable side walls (plastic tubing) for simple installation
CDC II™

3. DESCRIPTION
CDC II is a low-cost portable case for effective, safe, and convenient drying of various agricultural commodities;
It uses solar energy, which is the simplest and most economical drying method. With the use of CDC II agricultural commodities are guaranteed to be dried with minimum losses and without additional operational expenses;
CDC II is specially designed for easier set up and operation. Made from woven coated PE which is twice as strong as ordinary tarpaulin and two times lighter than reinforced PVC, CDC II is easy to carry around. It has inflatable side walls made of PE tube;
During night time or in case of rain, CDC II can be easily folded with the use of pulling straps. The heavy duty zipper and flap cover will prevent entry of moisture or water, protecting the commodity from moisture re-adsorption; and
It is supplied with a foot pump, cloth duct tape and operating manual.

4. FEATURES Enables drying of grains on almost any flat surface;
Very fast and easy to install by inflating the side walls using foot pump;
Does not need fuel or electricity;
Reduces loss through spillage;
Enables rapid closing with the use of pulling straps, heavy duty zipper, and flap cover in case of rain;
Lightweight and easy to transport; and
Easy to repair and maintain.

5. COMPONENTS

6. SPECIFICATIONS PARAMETERS CDC-25 CDC-44 CDC-75 Material
Woven coated PE
Color
Black
Dimensions, m
8.95x2.80 LW
15.75x2.80 LW
13.05x5.75 LW
Thickness, mm
0.50 (±0.05)
Material wt., gsm
320
Drying area, sqm 25 44 75
Capacity, bag 10 18 31
Packed wt., kg 16 27 36
Packed volume, m
1.05x0.85x0.05 LWH
1.05x0.85x0.09 LWH
1.05x0.85x0.15 LWH

7. 1 2 3 PROCEDURES SETTING-UP:
Unfold and unzip CDC II and spread on a flat surface. 2
INFLATING THE SIDE WALLS:
Manually inflate air tubes using the provided foot pump. 3
LOADING:
Spread grains on the drying surface maintaining an average of 4cm commodity thickness.

8. 4
REGULAR MIXING:
Turn commodities every 30 minutes to achieve uniform drying with the use of wooden rake to prevent damage to the CDC II. 5
CLOSING THE CDC:
In case of anticipated rain or at night, pull one end of the CDC II using the pulling straps to cover the commodities. 6
SEALING THE CDC:
To close, pull the zipper key along the heavy duty zipper track and put the zipper cover in place.

9. 7
UNLOADING:
After the drying operation is done, scoop dry commodities using plastic or wooden ladle with no sharp edges. 8
KEEPING CDC:
Clean CDC II before storage and fold properly to show the lifting straps. 9
STORAGE OF CDC:
Store CDC II in elevated places and use Rodent Guards to prevent rodent attack.

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