Drum type collecting system 
 
Drum forming chamber is used for rock wool collection.
Diameter: 5 m;
Drum linear speed: 50m-120m/min;
Net plate length: 2420 mm; net plate width: 1423 mm, totally 11 net plates; 
 
The negative-pressure system helps to achieve a more uniform collection of rock wool through the forming chamber; the net plate angle is no less than 80° and the width of stone wool is more than 2200mm. Density of single-layer rock wool is no higher than 450 g/m²;
 
The forming chamber is equipped with automatic slag-removal system to reduce the shot content to meet the requirement of national standard, that is, less than 10%;
Noise is less than 85 db. (Measured 1 meter away from the machine)