May I ask what the indirect operation loading factor is for vacuum rake dryers?
Thread Content
Taking a single treatment of 1 ton of material as an example, under operating conditions where it is in liquid form and its density is close to that of water. What capacity should the dryer be designed with? Could someone who is an expert in this area please explain? Currently, the national standard JB/T 10270-2013 states that, according to the bulk density measurement, the feeding volume should not exceed 50% of the drying volume. Are there any relevant mandatory standards?
There are no mandatory standards; generally, it should not exceed 50%. A larger heating surface area results in higher utilization, but the mixing effect is poor and the rate at which the material’s heating surface is updated is low, which hinders water evaporation. On the other hand, although the heating surface utilization is low, the enhanced mixing does not necessarily reduce the water evaporation rate. The optimal filling ratio should be determined through experimentation, and it depends on factors such as the particle size of the material, its bulk density, viscosity, and moisture content. Drying Technology Blog: http://blog.sina.com.cn/dcyang01