Drying set for manufacture of low density foamed plastic

Weight, kg 150
Staff required 1 person
Overall dimensions, mm 4230x715x680



Drying set is designed for drying and oxygenation of previously expended granules before they are dispatched to the ageing bunker.  The installation is used in the manufacture of low density polystyrene (М15) for the quality improvement.

Design and operating principle:


Structurally the drying set consists of five segments:
  1. SFOTS 16 Electric radiator.  
  2. Drying unit case.  
  3. Galvanized passage.  
  4. Radial ventilator of low pressure.  
  5. D125 Outlet fitting.  

The dryer case has butterfly gates for regulation of heated air flow.
Air heated to 40-50oС is continuously fed to the thermal treatment body. Previously expended granules get inside the drying unit through the loading hatch where they are exposed to air-thermal treatment. This process leads to the internal pressure stabilization and hardening of granules’ outer walls.  
Falling into the dryer expended granules should be in continuous motion in the direction of the pneumatic suction fan. It is necessary to regulate the heated air flow by turning gates of the dryer case, so the granules are not accumulated and stagnated.
After that the granules get inside the suction fan through the galvanized passage.  Then by force of air flow they are moved to the pneumatic system through the outlet fitting. 

Specifications: 

 

Parameter

Level

Capacity during primary foaming of granules, m3 /hr

15

ower consumption max, kW

17

Power of electric radiator SFOTS16-250, kW

15

Power of radial ventilator electric motor , kWt

1,1

Max air discharge temperature, t°С

50

Supply voltage, V

380

Frequency, Hz

50

Max wind resistance, Pa

400

Temperature difference of air-in and air-out, t°С

30

Max weight, kg

150

Operating temperature, t°С

+5 +40

Dimensional specifications, mm 

Length 
Width 
Height 

 

4230

715

680

Climatic modification

YЗ(GOST15150)

Operational mode-continuous

(S1)

Maintenance staff, persons

1