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SHELL-END PLATE TYPE HEAT EXCHANGER, SUITABLE FOR IMPROVING THE RIGIDITY OF A PLATE ASSEMBLY BY PREVENTING THE DEFORMATION, HEAT DETERIORATION, AND THE THERMAL TORSION OF WELDED PORTIONS AND THE THERMAL STRESS
SHELL-END PLATE TYPE HEAT EXCHANGER, SUITABLE FOR IMPROVING THE RIGIDITY OF A PLATE ASSEMBLY BY PREVENTING THE DEFORMATION, HEAT DETERIORATION, AND THE THERMAL TORSION OF WELDED PORTIONS AND THE THERMAL STRESS
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机译：壳端板式换热器，适合通过防止变形，热变形以及焊接部位和热应力的热扭曲来提高板组件的刚度
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PURPOSE: A shell-end plate type heat exchanger is provided to prevent a plate from being reversely bent by firmly connecting the outer peripheries of the plates and end portions of ring-shaped plates as the outer periphery of the plate to be tapered at 1.5 degree or greater.;CONSTITUTION: A shell-end plate type heat exchanger includes a hollow container (12) and a plate assembly (14) received inside the hollow container. The plate assembly includes a plurality of plates (16) in which passages for NH_3 and CO_2 are formed on both sides. A ring-shaped plate forming the outer periphery of the plate assembly includes a surface (46) tapered at 1.5-2.0 degree. A ring-shaped plate forming the inner periphery of the plate assembly includes a surface (48) tapered at 0.1-1.0 degree. The rigidity of the plate assembly can be improved and welding errors are prevented by preventing the plates from being reversely bent.;COPYRIGHT KIPO 2013;[Reference numerals] (12) Hollow container; (14) Plate assembly; (16) Plate; (36) Nozzle pipe; (38) Nozzle hole; (AA) NH_3 refrigerant gas; (BB) CO_2 refrigerant; (CC) CO_2 refrigerant fluid; (DD) NH_3 refrigerant fluid N
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