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the rotary cooler can reduce material temperature from 1000-1300 to below 200 degree - details see: https://www.machineto.com/china-cooling-material-less-than-200-degree-rotary-cooler-10246199

Rotary cooler description

rotary cooler is one of the main equipments i rotary kiln production system, it can cool the temperature from 1000-1300 material from rotary kiln to 200 degree, by below by heat exchange of moving material and airflow inside the rotating barrel, the quality and grindability after cooling down is improved, the air from cooling material is injected into kiln, as secondary circulating air, raising the thermal efficiency of kiln

Rotary cooler recycle usage
If the material to be cooled is at an extremely high temperature, the feed end of cooler can be refractory lined or fabricated by high temperature alloys. Used in series with a direct fired rotary dryer or rotary kiln, the hot air leaving the cooler can serve as preheated secondary combustion air, that reduce fuel usage.

rotary cooler Technical Parameters:

Model	Drum inner diameter	Drum length	Drum dig angle	Rotate speed	Product capability	Flow direction	Reducer model	Motor power	Weight
m	mm	mm	°	r/min	t/h			kw	t
1.2*10	1200	10000	2.5	5	-6	Counter flow	JZQ400	7.5	10
1.5*12	1500	12000	2.5	4.28	-8	Counter flow	JZQ500	15	19
1.5*14	1500	14000	2.5	4.28	-8	Counter flow	JZQ500	15	21
1.8*16	1800	16000	2.5	5	-12	Counter flow	JZQ600	18.5	24
2.0*16	2000	16000	2.5	3.38	-16	Counter flow	JZQ650	22	40
2.2*16	2200	16000	2.5	3.33	-18	Counter flow	JZQ650	22	48
2.8*16	2800	16000	2.6	3.0	-35	Counter flow	ZSY355	75	68