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Pellet rotary kiln

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Pellet rotary kiln

Equipment Overview
The pellets are roasted and consolidated in a rotary kiln.
Normal residence time of materials in rotary kiln: 25 ~ 35min
The roasting temperature of rotary kiln is 1300 ~ 1350 ℃. The rotary kiln head (discharging end) is provided with a burner for heating, and the high temperature exhaust gas of the cooling section I of the ring cooler is fed into the kiln as secondary air. The preheating ball rolls in the kiln with the rotation of the kiln body, and fully contacts with the high temperature hot air flow, so as to achieve the purpose of uniform roasting.
After the pellets were roasted at high temperature for 25-30 min in the rotary kiln, part of magnetite was oxidized into Fe203 microcrystalline recrystallization, and most of hematite grains gradually grew up, recrystallized and formed crystal Bridges at high temperature. Meanwhile, part of low melting point compounds produced at high temperature made the pellets more compact and increased the strength significantly. Up to 2500N/ ball above.

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Rotary kiln structure
specification
Customer case

Rotary kiln is composed of cylinder, supporting device, supporting device with retaining wheel, transmission device, movable kiln head, kiln tail sealing device, coal injection pipe device and other components. Kiln body of rotary kiln and the level of a certain slope, whole kiln body by supporting roller device, and control the kiln body jumped up and down to move the catch wheel device, transmission system, besides setting main drive was set up in the main source of power cut can still make the kiln body rotation, to prevent the kiln body bending deformation of auxiliary transmission device, the kiln head, sealing device adopts the advanced technology, to ensure the reliability of the seal.

产品规格（m）	生产能力（t/d）	主电机		主减速机		重量（t）
产品规格（m）	生产能力（t/d）	型号	功率(kw)	型号	速比	重量（t）
φ1.8x26	72	JZT2-72-4	30	JZQ750-1-Ⅰ	48.57	66
φ2.2x45	98.4	JZT82-6	55	ZA125	93.93	104
φ2.5x50	180	ZT3-72-4	30	ZS145-9-Ⅴ	122.8	173
φ3x48	700	ZSN4-280-21	110	MSY56-28-Ⅱ	28	244
φ3.2x50	1000	ZSN4-280-21B	160	MSY56-28-Ⅱ	28	252.4
φ3.5x54	1500	ZSN4-3156-092	220	ZSY500-40-Ⅴ	40	368
φ3.9x56	2000	Z4-280-32BTH	250	ZSY560-40-Ⅰ	40	417
φ4x60m	2500	ZSN4-355-09Z	315	ZSY630-35.5-Ⅰ	34.6	523
φ4.3x60m	3000	ZSN4-355-12	375	ZSY710-40	40	553
φ4.8x75m	5000	ZSN4-400-92	630	JH710-40	42	841

Inner Mongolia daily processing 3000 tons of oxidized pellets production line

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