The HG type cyclone dynamic calcination furnace is based on the summary of fluidized bed dryers, fluidized bed reactors, cyclone technology and other fluidized bed technologies. It fully mixes the calcined powder material with heated high-temperature gas and completes the instantaneous calcination process in the flow. It changes the traditional static or semi static calcination equipment represented by tunnel kilns and rollers, which have defects such as over burning and raw burning, making the product quality stable, low energy consumption, and less material loss.
After the gas is heated to the calcination temperature of the material by the heating furnace, it is brought into the calcination furnace using the Venturi principle (high-temperature gas enters the furnace body together with the material tangentially). At the lower part of the calcination furnace, the material is fully mixed with the hot gas, and the material instantly reaches the calcination temperature under the action of convection, conduction, radiation and other heat transfer methods, and then rises by gas entrainment to complete the calcination.

Raw material feeder - Dynamic calcination equipment - Direct fired hot blast stove - Primary cyclone separator - Rotary flash dryer - Secondary cyclone separator - Water spray condenser - High pressure belt dust collector - Induced draft fan - Secondary feeder

1. Type 1 Flash Calcination Equipment: The inner wall is constructed with refractory materials, and the operating temperature is ≤ 500 ℃. A feeding port, hot air inlet and outlet, thermometer and observation hole are set up. The outer shell is insulated, and the surface temperature of the outer shell is ≤ 50 ℃.
2. Primary cyclone separator: adopts a long cone type, and secondary cyclone separator: a combined cyclone separator.
3. Dynamic calcination equipment feeder: using spiral quantitative feeding, adjustable speed, and adjustable feeding rate of kg/h.
4. Filter cake feeder: using shaftless spiral feeding, stable and quantitative feeding to solve the problem of high material viscosity, with adjustable speed.
5. Rotary flash dryer: Optional type, with a crushing device on the main shaft, a particle size grading ring in the upper part of the drying section, observation and maintenance holes in the middle, slag cleaning holes at the bottom, an insulation layer on the outer shell, temperature measuring devices at the inlet and outlet, and stainless steel for the material contact part.
6. Cyclone separator: The combination cone cyclone separator is made of stainless steel.
7. Bag filter: High pressure pulse bag filter is used, with adjustable pulse cleaning time, lined with stainless steel SUS304, filtering area of m2, temperature resistance of 200 ℃. An overtemperature alarm is set in front of the hot air inlet to start the mixing valve device. The material recovery efficiency is ≥ 99.8%, and an electric spiral discharge is installed. The lower part is connected to the calcination feeder bin. (User provided pulse gas source)
8. High pressure induced draft fan: Install a regulating valve in accordance with national standards.
9. System piping: For the location of temperature measurement points, please refer to the system layout diagram.
10. Electric control console: Set up digital temperature display instruments for each section's inlet and outlet, pulse control instruments, spiral feeder speed control instruments, and centralized system operation.
In short, the dynamic calcination equipment is another new type of equipment developed by Changzhou Ganlin Drying Engineering Co., Ltd. for kaolin. This device is energy-saving and environmentally friendly, with high-quality and stable materials. The remote centralized operating system is simple and convenient, reducing costs, improving efficiency, and opening up new avenues for enterprises.

Technical data of kaolin calcination equipment:
1. Gas consumption 2500-2800/hr
2. Installed capacity: 230KVA 3P (actual capacity 180KVA 3P)
3. Water: 80 Kg/hr
4. Compressed air: 4m3/min 0.6~0.7Mpa
5. The raw material is washed kaolin filter cake, with a water content of ≤ 35% and a particle size of -2 μ m. (The calcination loss is about 15%).
6. Production (kg/h): 5000kg/h Final water<1%
7. Calcination temperature: 850-900 ℃, adjustable.
8. The product recovery rate is ≥ 99.9%.
9. Granular filler: ≤ 2 μ accounts for 78-80%
10. Whiteness: 88%, accounting for 70% of the concentration.