Abstract: A baffle for a block-type heat exchanger comprising a baffle plate. The baffle plate comprises a first surface and a second surface being parallel to a baffle plane located between the first surface and the second surface. The baffle plate comprises a first longitudinal edge, a second longitudinal edge, a first transverse edge and a second transverse edge. The baffle comprises a resilient member at the second longitudinal edge. The baffle comprises a reinforcement extending away from the baffle plane.

Abstract: A plate heat exchanger comprising a top head, a bottom head, four side panels and four corner girders. The side panels and the corner girders extend along a longitudinal direction from the bottom head to the top head, and each side panel is associated with two corner girders. The top head, the bottom head, the four side panels and the four corner girders are joined together to form a sealed enclosure for housing a plate pack of stacked heat-exchanging plates. A continuous gasket assembly is arranged in a contact region between at least one side panel and two corner girders, the top head and the bottom head. The gasket assembly is located in a groove. Moreover, the gasket assembly is a segmented gasket assembly composed of plural gasket segments, and each gasket segment is made of graphite material. Also disclosed is a method for assembling such a plate heat exchanger.

Abstract: A baffle support and a baffle for a block-type heat exchanger. The baffle support comprises a base plate extending in a first direction and a transverse second direction. The baffle support comprises a first pair and a second pair of projections extending from the front surface of the base plate to engage the baffle. The first pair of projections is located further in the first direction than the second pair of projections. The baffle comprises a mounting member at each transverse edge of a baffle plate. Each mounting member comprises at least one stop surface) facing a first longitudinal edge of the baffle plate. A baffle assembly comprising two baffle supports and a baffle.

Abstract: A baffle support and a baffle for a block-type heat exchanger. The baffle support comprises a base plate extending in a first direction and a transverse second direction. The baffle support comprises a first pair and a second pair of projections extending from the front surface of the base plate to engage the baffle. The first pair of projections is located further in the first direction than the second pair of projections. The baffle comprises a mounting member at each transverse edge of a baffle plate. Each mounting member comprises at least one stop surface) facing a first longitudinal edge of the baffle plate. A baffle assembly comprising two baffle supports and a baffle.

Abstract: A baffle support and a baffle for a block-type heat exchanger. The baffle support comprises a base plate extending in a first direction and a transverse second direction. The baffle support comprises a first pair and a second pair of projections extending from the front surface of the base plate to engage the baffle. The first pair of projections is located further in the first direction than the second pair of projections. The baffle comprises a mounting member at each transverse edge of a baffle plate. Each mounting member comprises at least one stop surface) facing a first longitudinal edge of the baffle plate. A baffle assembly comprising two baffle supports and a baffle.

Abstract: A baffle for a block-type heat exchanger comprising a baffle plate. The baffle plate comprises a first surface and a second surface being parallel to a baffle plane located between the first surface and the second surface. The baffle plate comprises a first longitudinal edge, a second longitudinal edge, a first transverse edge and a second transverse edge. The baffle comprises a resilient member at the second longitudinal edge. The baffle comprises a reinforcement extending away from the baffle plane.

Abstract: A plate heat exchanger comprising a casing, a fluid separation device, a number of heat transfer plates that are permanently joined to each other and have central openings that form a central space in a plate stack and in which the fluid separation device is arranged, such that a first part of the central opening may act as a fluid inlet and a second part of the central opening may act as a fluid outlet for a first fluid, opposite sides of the plates act fluid entries and exits for a second fluid, an outer dimension of the plate stack is smaller than an inner dimension of a shell of the casing, wherein fluid blockers are arranged in a gap between the shell and the plate stack.

Abstract: A plate heat exchanger comprising a casing, a fluid separation device, a number of heat transfer plates that are permanently joined to each other and have central openings that form a central space in the plate stack and in which the fluid separation device is arranged, such that a first part of the central opening may act as a fluid inlet and a second part of the central opening may act as a fluid outlet for a first fluid, opposite sides of the plates act fluid entries and exits for a second fluid, wherein two end plates have central through holes the ends of the plate stack, each of the end plates being thicker than the heat transfer plates, providing increased mechanical support for the plate stack, and having a slower thermal expansion.

Abstract: A heat transfer plate comprising a first port opening and a second port opening for allowing a first fluid to flow over a top surface of the heat transfer plate, a first side opening and an opposite, second side opening for allowing a second fluid to flow over a bottom surface of the heat transfer plate, a number of rows of alternating tops and grooves that extend along the heat transfer plate, where a transition between a top and an adjacent groove is formed by an inclined portion, and plate portions that extend along the heat transfer plate, between the rows of tops and grooves, thereby forming flow channels between the rows of tops and grooves.

Abstract: A high-pressure plate heat exchanger comprising a casing that has a shell, a top cover and a bottom cover that are joined to form an enclosure, a stack of heat transfer plates is arranged within the enclosure, the heat transfer plates having openings in form of through holes in the heat transfer plates, the openings forming a space in the plate stack in which a first fluid flows, wherein a reinforcement element extends through the openings in the heat transfer plates and is connected to each of the top cover and the bottom cover for supporting the covers when the plate heat exchanger is subjected to a pressure from any of the first fluid and a second fluid that flows through the plate heat exchanger.

Abstract: A plate heat exchanger includes a casing in which heat transfer plates are arranged, wherein a first distribution tube and a second distribution tube that extend through respective first port openings and second port openings of the heat transfer plates includes outlets and inlets that face each other, a first passage and a second passage extend along the casing and along first sides and second sides of the heat transfer plates and comprise outlets and inlets that face each other.

Abstract: A plate heat exchanger comprising a casing, a fluid separation device, a number of heat transfer plates that are permanently joined to each other and have central openings that form a central space in a plate stack and in which the fluid separation device is arranged, such that a first part of the central opening may act as a fluid inlet and a second part of the central opening may act as a fluid outlet for a first fluid, opposite sides of the plates act fluid entries and exits for a second fluid, an outer dimension (D1) of the plate stack is smaller than an inner dimension (D2) of a shell of the casing, wherein fluid blockers are arranged in a gap between the shell and the plate stack.

Abstract: A heat transfer plate comprising a first port opening and a second port opening for allowing a first fluid to flow over a top surface of the heat transfer plate, a first side opening and an opposite, second side opening for allowing a second fluid to flow over a bottom surface of the heat transfer plate, a number of rows of alternating tops and grooves that extend along the heat transfer plate, where a transition between a top and an adjacent groove is formed by an inclined portion, and plate portions that extend along the heat transfer plate, between the rows of tops and grooves, thereby forming flow channels between the rows of tops and grooves.

Abstract: Plate suitable for acting as a bulkhead between two fluids flowing in a plate heat exchanger, the plate having a plurality of corrugations each having a bottom crest line and a top crest line, all or part of the corrugations locally having stiffeners formed by a substantial and local reduction of the height of the top crest line, the stiffeners being arranged in a first group of stiffeners distributed on the plate along at least one first line parallel to a diagonal of the plate, the diagonal being perpendicular to the crest lines of the corrugations, the stiffeners of the first group being alternately arranged on either side of the first line on each consecutive corrugation, wherein the distance measured perpendicularly to the first line between the center of the stiffeners of the first group and the first line is the same for each stiffener of the first group.

Abstract: A plate heat exchanger comprising a casing in which heat transfer plates are arranged, wherein a first distribution tube and a second distribution tube that extend through respective first port openings and second port openings of the heat transfer plates comprises outlets and inlets that face each other, a first passage and a second passage extend along the casing and along first sides and second sides of the heat transfer plates and comprise outlets and inlets that face each other.

Abstract: Plate (1) intended to form a partition between two fluids circulating inside a welded heat exchanger, the plate (1) having a plurality of undulations (2) characterized in that all or part of the undulations (2) has, on at least one upper crest line (3), at least one preferred contact area (4) that has a height above a nominal height of the undulations (2) of the plate (1), the at least one preferred contact area (4) being intended to come into contact with a lower crest line of an undulation of another plate provided above the plate (1) and to be deformed when the exchanger is manufactured.

Abstract: A method is provided for manufacturing a bundle of plates for a heat exchanger made up of a stack of plates. The method includes reducing by machining the initial thickness of each plate by making at least at the periphery of the plate, at least one connecting shoe having a height greater than the thickness of the machined plate, forming on the central portion of the plate, corrugations, to be superposed pairwise on the plates, connecting the shoes in contact with the plates of each pair through a weld bead, superposing the pairs of plates and connecting the shoes in contact with the pairs of plates through a sealed weld bead by arranging a superposition of open or closed ends for alternate inflow or outflow of said fluid.

Abstract: A condenser-type heat exchanger having a set of welded plates that together define fluid systems that interpenetrate each other, comprises at least two modules of welded plates. Each module presenting an independent cooling system (CF1, CF2), fluid (CF2) being preferably colder than fluid (CF1), and a connecting chamber that connects the two modules in series in the system of fluid to be condensed such that the direction in which the fluid to be condensed flows is reversed when it changes from one module to the next module.

Abstract: A method is provided for manufacturing a bundle of plates for a heat exchanger made up of a stack of plates. The method includes reducing by machining the initial thickness of each plate by making at least at the periphery of the plate, at least one connecting shoe having a height greater than the thickness of the machined plate, forming on the central portion of the plate, corrugations, to be superposed pairwise on the plates, connecting the shoes in contact with the plates of each pair through a weld bead, superposing the pairs of plates and connecting the shoes in contact with the pairs of plates through a sealed weld bead by arranging a superposition of open or closed ends for alternate inflow or outflow of said fluid.

Abstract: Plate (1) suitable for acting as a bulkhead between two fluids flowing in a plate heat exchanger, the plate (1) having a plurality of corrugations (2) each having a bottom crest line and a top crest line, all or part of the corrugations (2) of the plate (1) locally having stiffeners (5) formed by a substantial and local reduction of the height of the top crest line, the stiffeners (5) being arranged in a first group (20) of stiffeners (5) distributed on the plate (1) along at least one first line (6) parallel to a diagonal (10) of the plate (1), the diagonal (10) being perpendicular to the crest lines (3, 4) of the corrugations (2), the stiffeners (5) of the first group (20) being alternately arranged on either side of the first line (6) on each consecutive corrugation (2), wherein the distance measured perpendicularly to the first line (6) between the centre of the stiffeners (5) of the first group (20) and the first line (6) is the same for each stiffener (5) of the first group (20).