How much cost the medium speed coal mill indonesia
A pulveriser is a mechanical device for the grinding of many different types of materials. — Grinding mills use one , two or all three of the basic principles of particle size reduction namely impact, attrition and crushing. — With respect to speed these machines may be classified as low speed, medium speed and high speed.
TYPES OF PULVERIZERS
ball tube mills for pulverizing low-grade coal with high-ash content — Bowl mills of slow and medium speed of capacity up to 100 t/hour. — Hammer mills. BALL MILL,T130X Superfine Grinding Mill, LM VERTICAL ROLLER MILL AND SO ON.
Ball & Tube Mill：
The oldest pulverizer design still in frequent use. — 25% to 30% of cylinder volume is filled with wear resistant balls of 30 – 60mm. — The cylinder is rotated at a speed of about 20 rpm. — Specific power consumption 22 kWh per Ton. — Suitable for hard coals. — Highly reliable in requires low maintenance. — Bulky and heavy in construction