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Ultrafine grinding is a unit operation in many industrial productions, and environmental issues should be considered in the specific condition.Henan Daswell Machinery is a professional manufacturer of mining machine for almost 30 years in China. We are dedicated to supplying our customers with best service and products, our major products include:portable crusher,If you are interested in our products, please contact us freely: sales@daswell.com In wet ultrafine grinding, regardless of the technology, especially the fine ceramics, powder metallurgy, inorganic non-metallic materials and other industries, the water, oil or alcohol applied in these industries can be recycled. This needs water or oil after dehydration (or oil) to be filtered, and in the case of ensuring no pollution, materials can be recycled. For super fine crushing equipment, there are certain vibration and noise, especially for the vibration mill, ball mill, whose noise can reach 120 db. Set isolation box or isolation room when it is necessary to separate grinding equipment. Now portable crusher, Daswell has developed some low noise super fine crushing equipment. However, the ultra-fine grinding condition is poor, and different industries have different requirements also. In the mining industry, refractory materials, coal industry and other industries, conditions are relatively poor, and in the pharmaceutical small crusher, food and other industries, they need to clean working conditions. Anyway, it is imperative to reduce the noise. Dust problems: in dry way ultra-fine grinding, there are dust problems more or less. In feeding port, discharging mouth and fan seal, due to the powder particle’s size, the powder is easy to fly out from these places with bad sealing. The solutions are that adopt the negative pressure system, the crushing equipment with good sealing and the equipment with fine grading system as far as possible, and install dust removal system in the crushing workshop when it is necessary, so as to ensure that the workshop is able to have a clean production, which is very important for pigment, dyestuff, fiber powder and toxic powder.