Type tank under LNG storage site of revolving behavior die membrane structure

摘要

Abstract Topic In the type tank under the LNG storage site, revolving behaviorThe smooth rotation recovery with the corrugation of die membrane structureWithout continuity of reduction behavior being impaired, the storage effectiveness of LNGFactor is raised, reduction of tank construction cost is made to implement. Solutions On vessel cartridge head 13, pump for LNG due-outMaking the pump barrel section correspond, to become depressed and provide 15, this cavityAs in the whole it forms in square condition, pi which the cavity adjoinstsuto edge strip 21,21 ' ko of the pair concurrent to the edge section between,As rugeshiyon interval the edge surface 22 where the same width is long is providedOn the one hand, membrane structure with this cavity, the cartridge head membraneUnidirectional corrugation 17 of 12 and other direction korugeshiyoStretching being able to point to n 18, to constitute, pit edge strip 21 and 21'Pit base 23, square flat section 20 in of edge surface 22Grid condition layout and pi of the corrugation 17,18 which it surroundsThree which surrounds triangular flat section 30 in the angle section on tsuto base 23The revolving behavior die noodle blurring which is made corrugation layout of rectangular conditionIt makes n structure.