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Product Detail
Lime kiln
Detail

Technical process

First, put qualified limestone inside raw material storage bin, and the qualified limestone will be transferred to hoppers by belt conveyor; then single skip hoist will transfer limestone to receiving hopper at kiln top; after that, the material will go through preheating zone, burning zone and cooling zone; then final products will be discharged by ash hoist and transferred to product warehouse or crushing warehouse.


Standard of raw material

Name

CaO

MgO

SiO2

P2O5

SO3

Lime stone

> 50%

< 2%

< 1.5%

< 0.01%

< 0.08%


Operating properties:

Ø  Output and kiln type: 100-600 t/d  round type or rectangle type

Ø  Operating flexibility: It can be adjusted between 50 -110%, and it will not affect the quality of lime and energy consumption indicators.

Ø  Suitable for variety of fuels: natual gas, coal dust, coke oven gas, mixed gas, blast furnace gas(heat valve ≥ 800 kcal/m3) or mixed fule of coal dust and gas.

Ø  Low heat consumption: air and gas is preheated through heat exchanger by kiln exhaust gas( when low heating valve is adopted, air and gas are preheated; when high heating valve is adopted, only air is preheated).

Ø  Calcination process and technology: has three way pressure system with rear firing; two way pressure to disperse combustion; calcination beam meaterial adopt 304L stainless steel and coated with thermal barrier

ceramic material for longer service life.

Ø  Onsite texting and onsite control: check the heating valve and flow rate of gas.

Ø  Lime kilns are simple structure by using small quantity of steel and refractory material, with low operating costs, heat dissipation and low power consumption as it only equipped with suction beam, kiln buring beam and ash discharging equipment.

Ø  Lime kiln equipped with PLC control system.


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