1. Hollow Cylinders: The main body of a drum dryer consists of one
or two horizontally mounted hollow cylinders. These cylinders are
typically made of high-grade materials like cast iron or stainless
steel. The material to be dried is introduced into the drum, and
the rotation of the drum exposes the material to the drying
process.
2. Supporting Frame: The hollow cylinders are mounted on a sturdy
supporting frame. This frame ensures the stability and proper
alignment of the drum dryer.
3. Product Feeding System: The material to be dried is fed into the
drum through a product feeding system. This system can vary
depending on the specific requirements of the drying process and
the characteristics of the material being dried.
4. Scraper: Inside the drum, there is a scraping mechanism. This
mechanism is often composed of scraping blades or paddles that are
attached to the interior walls of the drum. As the drum rotates,
these scrapers continuously move the material around, preventing it
from sticking to the drum's surface. This movement promotes even
drying and efficient heat transfer.
5. Auxiliaries: Various auxiliary components are incorporated to
support the drum dryer's operation and enhance its efficiency.
These can include:
* Heating System: A heat source (like steam, hot oil, or direct
flame) is used to provide the necessary thermal energy for drying
the material. The heat is applied to the outer surface of the drum,
and it travels through the drum's walls to reach the material
inside.
* Exhaust System: An exhaust system helps remove the evaporated
moisture and any volatile substances from the drying chamber.
* Control System: A control system monitors and regulates
parameters such as temperature, drum speed, and airflow to ensure
optimal drying conditions and prevent overheating or under-drying.
* Drive Mechanism: A motor and drive mechanism rotate the drum at
the desired speed, controlling the movement of the material and the
scrapers inside.
* Discharge System: Once the material is dried, it exits the drum
through a discharge system, which can include chutes, conveyors, or
other mechanisms.
* Safety Features: Drum dryers are equipped with safety features to
prevent overheating, ensure proper ventilation, and protect against
potential hazards.
Drum dryers are widely used in various industries for drying a wide
range of materials, including food products, chemicals,
pharmaceuticals, minerals, and more. Their design and components
contribute to efficient and controlled drying processes.
Technical Details:
Model | Drum Size mm | Heat Area m² | Capacity kg/h | Steam Consumption kg/h | Weight kg | Power kw | Dimension mm |
HG-600 | 600*800 | 1.12 | 40-70 | 100-175 | 850 | 2.2 | 1700*800*1500 |
HG-700 | 700*1000 | 1.65 | 60-90 | 150-225 | 1210 | 3 | 2100*1000*1800 |
HG-800 | 800*1200 | 2.26 | 90-130 | 225-325 | 1700 | 4 | 2500*1100*1800 |
HG-1000 | 1000*1400 | 3.30 | 130-190 | 325-475 | 2100 | 5.5 | 2700*1300*2250 |
HG-1200 | 1200*1500 | 4.24 | 160-250 | 400-625 | 2650 | 7.5 | 2800*1500*2450 |
HG-1400 | 1400*1600 | 5.28 | 210-310 | 525-775 | 3220 | 11 | 3150*1700*2800 |
HG-1600 | 1600*1800 | 6.79 | 270-400 | 675-1000 | 4350 | 11 | 3350*1900*3150 |
HG-1800 | 1800*2000 | 8.48 | 330-500 | 825-1250 | 5100 | 15 | 3600*2050*3500 |
HG-1800A | 1800*2500 | 10.60 | 420-630 | 1050-1575 | 6150 | 18.5 | 4100*2050*3500 |