| With the increasing capacity of thermal power plant units,the deaerator watertank volume has also become more and more large. As the conditions of transportlimitations, the deaerator diameter generally take not more than4000mm. Thiswill be a longer length tank. Dual saddle bearing easily lead to bending anddeformation. Design Institute request three or four saddles arrangement of horizontalvessels. The saddle is not equal to the distance between the tank center.Compareedwith two saddles,4saddles horizontal vessel increased by the middle of tworedundant constraint. Statically indeterminate number becomes two.China’s JB/T4731<<steel horizontal vessel>> analysis and calculation is basedon Zick approximate analysis and large-diameter thin-walled container with practicalexperience. Given reaction force, axial bending moment and shear force formula Isbased on uniform bear on the outer box girder. Two saddle arrangement is based onthe container while the derivation of the longitudinal center of symmetry. This may beapplicable to most of the horizontal container. For non-symmetrical arrangement ofthe two seats, multi-bearing Or applied concentrated load, etc. Should be brought upin general statics and taking into account the characteristics of horizontal vessel.Deduced reaction force, axial bending moment and shear force.For large containers bearing support, Both at home and abroad did not give amore uniform method of calculating support for bearing. Engineering practice areurgently needed to give a support’s simple method of calculating。In this paper,study of the deaerator water tank and Given a simple computation of the force withthe arrangement of long large container bearing to meet the needs of engineeringcalculations... |
