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Vertical Preheater
- 0 Set / Sets per Month
- T/T L/C D/P D/A
- 7 days
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Product Details
Place of Origin | China | |
Model Number | Φ2.8x43-Φ4.3x60 |
Product Description
The lime calcinatory system is made up of vertical preheater, rotary kiln and vertical cooler. The raw materials get into the preheater cell from the top silo by feeding chute. At the same time, the raw material is heated to 800℃ by the heat air get in from rotary kiln, so that the limestone is decomposed or partial decomposed. Then, these limestones are pushed into rotary kiln, calcinated into quick lime and delivered into cooler. The fan blow in cool air to cooling the hot quick lime to the centigrade that above 60℃ than environmental temperature and. The cool quick lime clinker is delivered out of the cooler. While, the air got into the cooler, is getting into the rotary kiln helping to combust as secondary air. The burner is tube in tube structure and fixed on the head hood of the rotary kiln. The heated air get into kiln by center tube and the fuel get into kiln by casting tube. The air and fuel is mixed and burned well. Our company independently developed multi-function with multi-channel burner, which could take multi fuels and the ratio of these fuels could be adjusted.
Working Principle
According to the place of vertical preheater in rotary kiln system and negative pressure working principle of Preheater, heat emission is heat convective and the material and air is convection movement. When the raw material is feeding into the preheater, to prevent cold air into the preheater under the negative pressure condition, the inlet of raw materials must be sealed effectively. This is to ensure the effective use of heat and material preheating effect. The standard of preheating quality in the preheater, is the temperature at the bottom of feeding room of preheater. Kiln temperature is: detected by thermocouple in the side wall of feeding room, including the flame radiation and air temperature. It reflects not only the firing temperature when feed into kiln, but also the degree of feedback the final warm-up temperature of the material. For the Preheater, truly reflects the effective temperature of the material is at the outlet temperature of the preheater top. Temperature control on this point is more important than the end of the rotary kiln. In preheater, materials after preheated and pre-decomposed, are pushed out from preheater to rotary kiln by hydraulic plunger device.
Contact Us
- Henan zheng mining machinery co., LTD
- Contact nameMrs Julie Lu Chat Now
- Phone86-0371-55902866
- AddressHenan zhengzhou jinshui interchange palace west tower of 6th floor, Zibo, Shandong
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