The rotation drive shaft is sealed with inflatable chamber, eliminating the dust coalescence phenomenon. There is a function for automatic cleaning.
转动轴腔充气密封，消除了粉尘粘结现象。带自动清洗功能。
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The effect is similar to how dust appears to float in a shaft of sunlight: although gravity works on the bits of dust, even the gentlest currents are enough to keep them swirling around in the air.
The dust discharge of China's cement shaft kilns takes up 89.43% of the total dust discharge of the cement industry, causing rather serious air pollution.