How To Choose A Suitable Insulated Steel Silo?
Among the products of Insulated Steel Silo, according to the bottom form, they can be divided into cone bottom Insulated steel silos and flat bottom Insulated steel silos. They both have their own advantages. For the cone bottom steel thermal insulation silo, its main advantage is that the material in and out is faster and the efficiency is relatively high, but the storage capacity is limited. The flat-bottomed grain storage and thermal insulation steel silo has a large storage capacity and is generally suitable for large-scale grain storage, but the discharge will be relatively slow.
Corrugated thermal insulation metal silo bottoms are generally divided into two types: flat Insulated Steel Silo bottom and cone Insulated Steel Silo bottom. From the perspective of technology and use, it is of course better to choose a cone bottom silo because it has the advantages of no grain storage and no need to configure clearance equipment. However, from an economic perspective, the application of cone-bottom silos has certain limitations.
Practice has proved that the cone corrugated thermal insulation metal silo is only suitable for occasions with a diameter of less than 10m and a capacity of no more than 1500t. Steel silos with a diameter larger than this are determined based on the natural flow angle of the material in the silo. The smaller the natural flow angle of the material, the smaller the cone. The greater the height, and the natural flow angle of grain is generally around 40 degrees, so when the diameter of the steel silo is larger, the upper beam of the basic support structure is greatly increased. Taking a 15m-diameter cone-bottomed Steel thermal insulation silo as an example, in order to meet the process requirements of the equipment under the silo, the height of the upper ring beam of the basic support structure must be at least 8m. In addition to the large silo capacity, the overall weight of the materials in the silo increases. Due to the increase and height of the support structure and changes in the warehouse bottom structure, the foundation cost of the cone bottom warehouse is more than 40% higher than that of the flat bottom warehouse with the same capacity.
From the above analysis, it can be seen that when the diameter and capacity of the steel plate warehouse are larger, the difference in the basic cost of the warehouse type selection is obvious. Therefore, when the diameter of the steel plate silo is >10m, priority should be given to the flat-bottomed steel plate silo, which can significantly reduce the project cost while still meeting the performance requirements.
The above are the basic basis for choosing the bottom form of a corrugated thermal insulation metal silo. I hope that reading this article can help you make a better choice for a suitable grain storage and thermal insulation steel silo.
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