In view of the widespread industry prospects of the sludge hollow blade dryer, it is necessary to deeply calculate and integrate the raw material capacity and design finite element principles to provide detailed stress levels for key components of the dryer, which brings proposals for improving the strength of the dryer in various practical designs.
The diversity of the nature of the drying work of Binda is evaluated by selecting large and medium-sized finite element software, key components of machine equipment, and stress distribution of hollow blades to evaluate the system strength of Binda drying. Therefore, based on the actual size and structure type of the original design, the drying machine should use a three-dimensional industrial model as the main body, while the blades should use a centrally symmetrical two-dimensional solid model.
The design working pressure of the dryer is 1.3 MPa, and the design ambient temperature is 180 ° C. The initial conditions of the dryer body are as follows: select either side as the symmetrical Benda drying initial condition, and the head side cycle time is coupled with the force load of the other side of the tube bundle and the terminal equipment; Limit the reverse offset of the upper port; The work pressure has increased to a portion of the force on the entire Binda drying structure model; Turn off the symmetry boundary. Initial conditions for dryer blades: The lower edge of the drying center axis and the lower part of the blades are symmetrical boundaries, and the port force load is applied to a part of the center line, with the pressure load increasing on the part under stress.
The key structure of the Binda drying machine has relatively high stress: the connection between the support tube and the protective sleeve; The more stress the hollow blade is subjected to drying, the greater the connection between the blade and the centerline (on the blade).
