Rotary Drum Granulation

Drum granulator is one of the key equipment of compound fertilizer industry, and this type granulator is suitable for cold and hot granulation and high and low concentration of compound fertilizer production on a large scale. This machine cylinder, with a special jointing sheet lined with or acid stainless steel lining board, has realized automatic scar removal to take off the tumor, and canceled the traditional scraper. The granulator machine has the fearures of high strength into the ball, good appearance and quality, corrosion resistance, resistance to wear, low-energy consumption, long service life, convenient operation and maintenance, etc.

The main features:
(1)Rate of ball-becoming up to 70%, have a small amount of returned material, expected, small granularity of returned material, can be re-granulation.
(2)Steam heating, improve material's temperature, so that have lower moisture when material change into the ball, improve dryness efficiency.
(3)Use rubber plastic for lining, raw materials difficult to stick cylinder, and played the role of anti-corrosion, keep warm.
(4)High yield, little power consumption, low maintenance costs.

Working Principle:
The main working method is aggregate wet granulation. Through a certain amount of water or steam, basic fertilizer mixs wet in tube body after the full chemical reaction. Under a certain liquid conditions, in virtue of rotary exercise of the rotating cylinder, so that material particles have a extrusion stress, reunite to ball.

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