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High Pressure Steam Jet Mill QAB Series | Top China Suppliers & Factory for Advanced Particle Size Reduction
Working Principle
QAB series high pressure steam jet mill uses high temperature and high pressure superheated steam to accelerate particles through the coaxial nozzle and collide and crush them. The crushed materials are classified by the classifier, and qualified powders are collected by the collection system at the back, and unqualified materials are returned to the pulverizer for further crushing. The steam of the entire system is kept in an overheated state, and the production is carried out under the full dry method.
Equipment Characteristics
- It can make full use of the steam generated by the existing waste heat or the back-pressure steam after low-temperature power generation as power, which can effectively reduce the cost of powder processing.
- If the existing steam is evacuated before it is actually used, after using steam power mill, the cost of powder processing will be only 1/5-1/8 of the cost of air flow mill processing.
- Energy-saving advantages. Where conditions permit, using low-grade energy is far more energy-saving than using high-grade energy.
- Comparison of crushing intensity: The design linear speed of conventional airflow mill is 400m/s~600m/s, while the crushing intensity of steam mill can reach 1000m/s.
- Make full use of waste heat, comply with the current requirements of the country's vigorously promoting energy conservation and emission reduction policies, and easily obtain the support of government science and technology funds and national science and technology awards.
Technical Parameters
| Model | Steam Consumption (kg/h) | Particle Size (μm) | Capacity (kg/h) |
|---|---|---|---|
| QAB300 | 300 | 0.5-1 | 20-50 |
| QAB600 | 600 | 0.5-1 | 50-80 |
| QAB1000 | 1000 | 0.5-1 | 100-200 |
Application Field
Aluminum hydroxide, silicon dioxide, fly ash, silicon carbide, titanium dioxide, etc., with particle size up to nanometer level.
Process Flow
Site Pictures
Frequently Asked Questions
The QAB series utilizes high-temperature and high-pressure superheated steam as the kinetic medium. It accelerates particles through a coaxial nozzle to collide and crush them in a fully dry process. The built-in classifier separates qualified powders, while unqualified particles are returned for further milling.
By utilizing existing waste heat or low-temperature back-pressure steam, it turns low-grade energy into valuable processing power. When using steam that would otherwise be evacuated, the processing cost is reduced to only 1/5 to 1/8 of traditional air jet milling.
Conventional airflow mills operate at a design linear speed of 400m/s to 600m/s. In contrast, the QAB steam jet mill can reach a crushing intensity of up to 1000m/s, providing significantly greater impact force for ultra-fine processing.
It is highly effective for milling materials such as aluminum hydroxide, silicon dioxide, fly ash, silicon carbide, and titanium dioxide, achieving particle sizes down to the nanometer level.
The QAB300 consumes 300 kg/h steam for a capacity of 20-50 kg/h; the QAB600 consumes 600 kg/h steam for 50-80 kg/h; and the QAB1000 consumes 1000 kg/h steam for 100-200 kg/h. All models consistently yield particle sizes of 0.5-1 μm.