NARA MACHINERY CO.
Nara NBC Boono Cooler



Manufacturer: NARA MACHINERY CO., LTD.
Model: NBC
Features
NBC is a sister equipment of Nara Paddle Dryer (NPD), a representative equipment for indirect heating type dryers.
NBC was developed for the specialized cooler (dryer) and has the following features.
- Prevents dust generation of fine powders by the elegant and unique shape of agitating wings.
- Powder remaining in the NBC is minimized by the special structure of wings which was developed to scrape out all of the powders.
- Has high cooling (heating) exchange efficiency, with the large heat transfer area in a relatively compact size.
Specifications
Type | NBC-2.5 -G | NBC-5 -G | NBC-8 -G | NBC-11 -G | NBC-15 -G | NBC-20 -G | NBC-25 -G | NBC-30 -G | NBC-40 -G |
---|---|---|---|---|---|---|---|---|---|
Heat Transfer Area (m²) | 2.8 | 5.1 | 8.4 | 11.4 | 15.7 | 21 | 26.2 | 31.3 | 41.8 |
Effective Volume (m³) | 0.073 | 0.296 | 0.477 | 0.628 | 0.946 | 1.25 | 1.52 | 2.38 | 3.09 |
Paddle Wing (mm) | 160 | 500 | 500 | 500 | 500 | 500 | 500 | 700 | 700 |
Rotating speed (min⁻¹) | 30 | 17 | 17 | 17 | 17 | 13 | 13 | 15 | 15 |
Power (kW) | 1.5 | 3.7 | 5.5 | 5.5~7.5 | 5.5~7.5 | 7.5 | 7.5 | 7.5 | 7.5 |
Type | NBC-50 -G | NBC-60 -G | NBC-70 -G | NBC-80 -G | NBC-90 -G | NBC-100 -G | NBC-120 -G | NBC-140 -G |
---|---|---|---|---|---|---|---|---|
Heat Transfer Area (m²) | 52.3 | 60.5 | 70.8 | 79.8 | 89 | 100.8 | 119.5 | 141.8 |
Effective Volume (m³) | 3.8 | 5.41 | 6.22 | 6.88 | 7.69 | 10.3 | 12 | 13.6 |
Paddle Wing (mm) | 700 | 900 | 900 | 900 | 900 | 1100 | 1100 | 1100 |
Rotating speed (min⁻¹) | 13 | 10 | 10 | 10 | 10 | 9 | 9 | 9 |
Power (kW) | 18.5~22 | 45 | 45 | 45~55 | 45~55 | 55 | 55~75 | 75 |
For type other than those above, we will design and manufacture in accordance with your request.