HG series Corn Starch single cone Rotating Rolling Scratch Board
Dryer
Application
HG series Corn Starch single cone Rotating Rolling Scratch Board
Dryer is a single cylinder dryer, can be used for drying of various
kinds of slurry, especially for recovery of the waste yeasts in
brew house, dryers of different specifications can meet the
production demand of brew house at the scale of annual 30,000 tons
to 100,000 tons of beer. This machine is also suitable for the
drying treatment in food, chemical and medicine, etc.
Mechanical structure and operating principle
HG series Corn Starch single cone Rotating Rolling Scratch Board
Dryer body mainly consists of dryer cylinder, frame, driving
system, scraper, limited material, scraping device, leaching
material device and steam-path system. In addition, it is equipped
with electrical control cabinet and exhaust steam cover. This is a
kind dryer that heats the material and evaporates the moisture by
indirect heating of steam. Its dryer cylinder ( drum) is a metallic
hollow cylinder whose surface is finished and is extremely smooth,
driven by the transmission device (gearwheel and pinion), the dryer
cylinder rotates in axial direction and the speed can is
adjustable. The slurry is preheated in preheating tank, when heated
to about 50℃, the slurry will be pumped to the leaching material
tank at lower part of the drying cylinder, the drying cylinder
submerges about 60-80mm depth, then the surface of the rotary
cylinder will be coated with a layer of uniform slurry (the
thickness of the film), the steam pressure in the dryer cylinder is
0.15-0.3 Mpa, the slurry is heated on the outside surface of the
dryer cylinder, the moisture be exhausted by induced draft fan
after evaporation. The drying will be finished when the dryer
cylinder rotates one circle, the material piece on the external
surface of the dry cylinder is scraped with scraping device and
falls to the discharge port for collection.
Main characteristic and performance
The dryer cylinder in contact with the material is made of high
grade cast iron subject to ground finishing, with characteristics
of anticorrosion and free pollution. This machine adopts conductive
heating, there’s no heat loss taken by the drying medium, so it is
high heat utilization and low energy consumption, usually above
70%. It is also characterized by compact structure, less room
taking and convenient cooperation and maintenance, etc. This
machine is made by combining with the advantages of the Germany
sample machine and in light of the actual situation in China,
advanced operational performance is achieved.
The factors that influence the performance of the machine are as
follow:
(1) Steam pressure(0.1-0.4Mpa)or the temperature of the heating
medium
(2) Rotating speed(4～10r/min)
(3) The thickness of the film(that is the thickness of the material
attaching on the surface of the dryer cylinder)
(4) The characteristic of the material(such as the content, fluid
and temperature of the solid matter)
Technical process
| Parameter Spec. | Φ800×1600 | Φ1000×2000 | Φ1200×2000 | Φ1400×2400 | Φ1600×2400 |
| Heating Source Pressure(MPa) | ≤0.6 |
| Main Motor Power (kw) | 3 | 4 | 4 | 5.5 | 7.5 |
| Heating Transmission Area(m2) | 4 | 6.2 | 7.5 | 10.5 | 12 |
| Speed of the roller (rpm) | 0.5~5 |
| Heating Source | Steam and Conducting oil |
| Feeding method | top or bottom |
