What material is better for large sludge dryer cylinder

When the large sludge dryer is used to treat the high humidity and high viscosity sludge, the heat transfer process is completed under the action of the dispersing device and lifting device installed in the cylinder after the hot air and wet material enter the cylinder. As the main place of heat exchange, the cylinder of large-scale sludge dryer can not avoid being often rubbed and scratched by materials. Therefore, great attention should be paid to the selection of cylinder material. The quality of cylinder material is directly related to the drying quality of materials and the service life of equipment. What material is better for the cylinder of large sludge dryer?

1. The cylinder material needs to be rigid

In the process of long-term continuous operation of large sludge dryer, gear, wheel belt and other devices will be installed on the cylinder body, and the cylinder will run on the supporting wheel with the help of the wheel. Therefore, the cylinder should not only bear its own weight, but also bear the impact of materials, the torque of gear transmission and the support force of bearing on the cylinder. These forces can easily lead to the bending deformation of the cylinder, and then affect the cylinder Because of the impact on the normal use of the equipment, it is necessary to have a certain degree of rigidity when selecting the cylinder material of the large sludge dryer.

2. The cylinder material should have enough wear resistance and durability

With the continuous rotation of large-scale sludge dryer, materials are constantly moving at high speed under the action of lifting device, so a large amount of friction can not be avoided between materials and cylinder. In addition, there is also a large friction between the cylinder and the wheel. Therefore, in order to make the equipment durable, it is necessary to use materials with strong wear resistance to manufacture the cylinder.

3. The cylinder material should have high temperature resistance

The large-scale sludge dryer directly or indirectly contacts with the wet materials through high-temperature hot gas, and uses the principle of heat transfer to make the wet materials evaporate after being heated, so as to achieve the purpose of drying. Therefore, in order to realize the rapid drying of high moisture and high viscosity sludge, sufficient heat and high temperature are very important. It can be said that in the process of material drying, the large sludge dryer has been operating at high temperature, so the material used to make the cylinder should have good high temperature resistance performance, so as to ensure the long-term stable operation of the equipment.

According to the above contents, friends who need to buy large sludge dryer need to consider the rigidity, wear resistance, high temperature resistance and other characteristics when selecting the cylinder material, and strictly control the material of the equipment, so as to prevent the purchase of bad products with high price and low quality, which will affect the service life and normal operation of the equipment.