PLATE-TYPE HEAT EXCHANGER

摘要

FIELD: heating. ^ SUBSTANCE: invention deals with design of heat exchange equipment and is to be implemented in the sphere of heating engineering. The heat exchangers contains a package of finned disks forming concentric ducts for heat medium circulation. There are covers fitted on both butt-ends of the finned disks package. The inner surfaces of the plate-type heat exchanger covers have ribs similar to those of the package disks. Along the shared axis of the solder-joined package and the covers there is a through-hole arranged with a central bushing fitted therein that has manifolds for delivery and discharge of one of the media. Manifolds for delivery and discharge of other media are contained inside the cylindrical casing inner cavity. The disk and cover finned surfaces include several concentric closed-circuit ducts with delivery and discharge slots separated by a radial diaphragm. With some disks the delivery and discharge slots serve to connect the concentric ducts to the central bushing delivery and discharge manifolds; with other disks identical slots serve to connect the disks concentric ducts to the delivery and discharge manifolds contained inside the cylindrical casing inner cavity. Finned disks of one medium and those of other media alternate within the package. ^ EFFECT: improvement of the heat exchanger mass characteristics and operability under high heat medium pressures. ^ 5 cl, 11 dwg