Introduction

LECA (Light Expanded Clay Aggregate) as a new environmental protection material is widely used in the construction field. It can be made of wallboard, brick and other new wallboard material. It also can be used for insulation, floor, lightweight concrete, water treatment and etc. Rotary kiln is the key equipment in the LECA production. The performance will effect the final LECA quality and production cost directly.

Rotary Kiln can be divided into two parts: Drying Kiln and Burning Kiln. The overall part is insert type layout. There is a connecting hopper in connection part. It is easy for maintenance. It has the separated drive system. It is easy to control the separated rotation speed.

Parameter

No.	Spec. (m)		Capacity		Slope (%)	Rev. Speed (r/min)	Reducer Model	Motor
			Per hour (m3/h)	Per Year (m3/a)				Type	Power (KW)
1	Preheat Kiln	Φ1.25×18	2.95~3.94	18000~24000	4	1.0~5.0	ZQ500	YCT225-4A	11
	Calcined Kiln	Φ1.6×14				1.0~5.0	ZQ650	YCT225-4B	15
2	Preheat Kiln	Φ1.55×20	4.36~5.81	26700~35000	4	1.0~5.0	ZQ650	YCT250-4A	18.5
	Calcined Kiln	Φ1.9×16				1.0~5.0	ZQ750	YCT250-4B	22
3	Preheat Kiln	Φ1.8×22	5.9~7.87	36100~48000	4	1.0~5.0	ZQ750	YCT250-4B	22
	Calcined Kiln	Φ2.2×18				1.0~5.0	ZQ750	YCT250-4B	22
4	Preheat Kiln	Φ2.0×24	7.42~9.88	45400~60000	4	1.0~5.0	ZSY224	YCT280-4B	30
	Calcined Kiln	Φ2.5×20				1.0~5.0	ZSY224	YCT315-4A	37
5	Preheat Kiln	Φ3.0×20- Φ2.5×12	9.5~17.51	80400~107000	4	1.0~5.0	ZS1450	YCT355-4B	75
	Calcined Kiln	Φ3.0×22				1.0~5.0	ZS1250	YCT355-4A	55
6	Preheat Kiln	Φ3.2×20- Φ2.8×14	13.9~16.2	100000~115000	4	1.0~5.0	ZS1450	YCT355-4A	55
	Calcined Kiln	Φ3.0×22				1.0~5.0	ZS1250	YCT355-4A	55