The finished powder processed by Raymond mill is affected by the specifications of the Raymond mill, naturally the price will also be different.Ground by the Raymond mill, the raw materials will be stay in the blower. The air generated in the main body of the blower will blow up the powder, which will be classified by the classifier through the upper room of grinding mill. The qualified materials that meet the requirements of different models will flow into the cyclone collector.And then the powder will be exited from the outlet, which will become the finished powder. In other words, the coarse materials will be again send into the grinding room. The whole blower is in negative pressure. The wind road is in circulation.