2569results about "Laminated elements" patented technology

The invention belongs to the technical field of power station boiler waste heat recycling energy-saving equipment and relates to a plate-and-shell type coal economizer. The plate-and-shell type coal economizer comprises a corrugated plate heat exchange core body (1), a heat exchanger shell (2), a first and a second water inlet / outlet water tank (3, 3') and a first and a second exhaust gas inlet / outlet pipeline (4, 4'), wherein the corrugated plate heat exchange core body (1) is mounted in the heat exchanger shell (2), the first and second water inlet / outlet water tanks (3, 3') are respectively arranged at the upper and lower ends of the front side of the corrugated plate heat exchange core body (1), and the first and second exhaust gas inlet / outlet pipelines (4, 4') are respectively arranged at the upper and lower sides of the corrugated plate heat exchange core body (1). The plate-and-shell type coal economizer solves the problem that the length of a water passage needs to be increased to solve the problem of unapparent water heating due to the great difference between an exhaust gas density and a water density, and meanwhile, a corrugated passage at the exhaust gas side enables the exhaust gas flow turbulivity to be increased and the heat transfer efficiency to be improved; the blockage due to ash accumulation happens rarely, even if the ash is accumulated, the cleaning is easy to finish.

A liquid cooled heat exchanger includes first and second heat exchange chambers that are in thermal communication. The first heat exchange chamber is downstream of the second heat exchanges chamber and receives heat from a heat generating device, such as an electronic circuit. Heat in the first heat exchange chamber can be transferred to the second heat exchange chamber to increase the temperature of a subcooled liquid working fluid in the second heat exchange chamber. This can render a pressure drop across the heat exchanger that is relatively insensitive to a fraction of liquid that is vaporized in the first heat exchange chamber.

The invention relates to a cooling device for cooling an electrical and / or electronic assembly (2), said cooling device comprising: a top plate (3) and a bottom plate (4), the bottom plate (4) being a deep-drawn component having a depression (40), the top plate (3) and the bottom plate (4) being arranged such that, due to the depression (40) a cooling channel (5) is formed between the top plate (3) and the bottom plate (4), the top plate (3) and the bottom plate (4) being connected to one another at a contact region (8) outside the depression (40), it being possible for a cooling fluid flow of a cooling fluid to flow through the cooling channel (5) along the longitudinal direction (11), the cooling device (1) also comprising at least one turbulator (6) that is arranged inside a turbulator section (56) of the cooling channel (5). According to the invention, a turbulence portion (61) for generating local turbulence in the flow of the cooling fluid and a blocking region (62) for locally blocking the flow of the cooling fluid are formed on the turbulator (6).

The present disclosure relates to an active heat dissipation apparatus including a thermal conduction panel body having a refrigerant flow space in which a refrigerant is stored and flows, in which the refrigerant flow space includes a first refrigerant flow path having a vaporization zone in which the refrigerant changes from a liquid phase to a gaseous phase, and a plurality of second refrigerant flow paths provided in a condensation zone provided in a portion other than the first refrigerant flow path and configured to guide a flow of a liquid refrigerant to the vaporization zone, and in which the second refrigerant flow paths form independent flow paths for the liquid refrigerant by a plurality of inclined guides, which protrude in the refrigerant flow space, have surfaces that adjoin one another and are in surface contact with one another, and are provided straight and inclined toward the first refrigerant flow path so as to be physically separated from the adjacent second refrigerant flow path, and by a plurality of strength reinforcement portions respectively formed on the plurality of inclined guides, thereby significantly improving heat dissipation performance.

The invention relates to the field of petrochemical equipment, and discloses a cobweb-shaped oil-water emulsification turbulator with turbulent flow fins, which comprises an oil-water emulsification pipe, a cobweb-shaped turbulator arranged in the oil-water emulsification pipe, and annular fins and bent fins fixed on the inner side of the pipe wall of the oil-water emulsification pipe, the annular fins and the bent fins are distributed in the axial direction of the oil-water emulsification pipe, the bent fins are arranged close to the cobweb-shaped spoiler, and a gap for fluid circulation is formed between the bent fins and the cobweb-shaped spoiler. A multi-scale composite turbulent flow field is constructed through cooperative cooperation of the annular fins, the bent fins and the cobweb-shaped spoilers, the annular fins can effectively damage a boundary layer of a pipe wall and enhance local shear force, so that oil drops leaning against the wall are separated from the pipe wall and guided to a central area of a pipeline, and the bent fins further guide fluid to deviate towards the center so as to reduce flowing dead zones. The net-shaped structure of the cobweb-shaped spoiler is used for continuously stretching, shearing and secondarily crushing oil drops, and the oil-water mixing uniformity and the emulsifying efficiency are remarkably improved under the combined action of the three parts.

The invention provides a plate heat exchanger which is characterized in that a first plate sheet comprises a first trough and a second trough which are adjacent, the first trough and the second trough are sunken downwards relative to the same reference plane P1, and the depth of the first trough is larger than that of the second trough; the second plate sheet comprises a first wave crest and a second wave crest which are adjacent, the first wave crest and the second wave crest protrude upwards relative to the same reference plane P2, and the height of the first wave crest is larger than that of the second wave crest; the first wave crest and the first wave trough are mutually contacted and fixedly welded; the second wave crest is at least partially opposite to the second wave trough, and the height of the second wave crest is unequal to the depth of the second wave trough. According to the plate heat exchanger, through the structural design, the surfaces of the two heat exchange plates forming the inter-plate flow channel have different flow resistances, and flow channels with asymmetric sections are formed between the plates, so that the turbulence degree is larger when fluid flows through, and the heat exchange performance of the heat exchanger is improved.

The utility model discloses a plate heat exchanger, belongs to the field of air pre-heaters, solves the problem that in the prior art, plates of a plate heat exchanger are prone to damage when heat exchange is conducted in dust-containing flue gas, and adopts the technical scheme that the plate heat exchanger comprises a heat exchange plate, and the heat exchange plate is formed by welding and fixing two thin plates through a plurality of welding parts; the non-welded portions of the thin plates are far away from each other to form a gas flowing cavity, the edges, close to the smoke flowing-in side, of the two thin plates of the heat exchange plate are first ends, the first ends are fixed through welding parts, guiding pieces are installed at the first ends, and the thickness of the guiding pieces is larger than that of the two thin plates. The dust-containing flue gas heat exchanger is mainly used for realizing heat exchange in dust-containing flue gas at low cost.

To provide a cooling heat exchanger having a novel structure that can improve cooling performance by efficiently causing a flow of the heat medium to overcome protrusions while stably flowing the heat medium in a cooling flow path. [Solution] A cooling heat exchanger that has a cooling flow path (16) formed inside, through which a heat medium for cooling flows, and that cools a cooling object (17) placed on a cooling surface (18), wherein the cooling flow path (16) has protrusions (34) that disrupt the flow of the heat medium, protruding from the bottom surface of the cooling flow path (16), the protrusions (34) extending across the entire width of the cooling flow path (16), and both ends of the protrusions (34) each serve as connecting ends (54) that continue with the side wall portions of the cooling flow path (16), and the connecting ends (54) of the protrusions (34) are formed as flow adjustment sections (56) that are concave toward the bottom surface and extend in the flow direction of the cooling flow path (16).

A heat exchanger according to the present invention includes plates each having, at one side thereof, an inlet port into which a fluid is introduced, and a first junction port having a periphery protruding upward, and having, at the other side thereof, an outlet port from which the fluid is discharged, and a second junction port having a periphery protruding upward, and a heat dissipation fin seated on an upper surface of the plate and having at least one non-heat dissipation fin portion formed by cutting a predetermined region of the heat dissipation fin in a direction parallel to a direction from one side to the other of the plate, in which the heat dissipation fin may be inserted between the pair of stacked plates.

A heat exchanger includes at least two plate bodies stacked with each other and at least one connecting sheet. Each of the at least two plate bodies is provided with a plurality of micro-passages. The at least one connecting sheet is arranged between adjacent plate bodies of the at least two plate bodies. A solder is disposed on each of two opposite sides of the at least one connecting sheet, and the solder is configured to weld and fix the at least one connecting sheet with the adjacent plate bodies of the at least two plate bodies.

The invention provides a sheet bar. The size of the sheet bar in the length direction is smaller than or equal to 300 mm. The plate sheet is provided with a main heat exchange area, and is provided with a flat plate part and a plurality of corrugated structures which are positioned in the main heat exchange area; the plurality of corrugated structures are arranged at intervals and protrude relative to the flat plate part; the front side and the back side of each plate correspondingly form a circulation channel for a refrigerant to flow and a circulation channel for a secondary refrigerant to flow in the main heat exchange area of the plate, the channel volumes of the two circulation channels are different, the side, where the circulation channel with the smaller volume of the plate is located, of the plate is used for circulation of the refrigerant, and the side, where the circulation channel with the larger volume of the plate is located, of the circulation channel is used for circulation of the secondary refrigerant. The corrugated structure is provided with at least one extension section; the extension section is obliquely arranged relative to the length direction of the sheet bar, and an included angle beta formed between the extension direction of the extension section and the length direction of the sheet bar is greater than or equal to 65 degrees and less than 90 degrees. The plate heat exchanger applying the plate sheet is good in overall heat exchange performance under the condition of small-size plate sheets, and fluid pressure drop is considered at the same time.

The invention relates to an improved Gyandroid heat exchange structure, a preparation method of the improved Gyandroid heat exchange structure and a heat exchange piece. The preparation method of the improved Gyandroid heat exchange structure comprises the steps that modeling is conducted according to an improved Gyandroid function equation, and a model of a TPMS structure is obtained; and 3D printing is conducted on the basis of the model of the TPMS structure, so that the improved Gyandroid heat exchange structure is formed. The control factor alpha is added in the standard Gyandroid function equation, the size of the control factor alpha is adjusted, and the minimum circulation sectional area of the through hole in the TPMS structure can be adjusted, so that fluid flowing through the through hole is reduced, and the heat exchange efficiency is improved.

The present invention relates to a heat exchanger assembly and a water heater comprising same, wherein the heat exchanger assembly comprises a heat exchanger unit provided with an inlet for introducing a fluid and an outlet for discharging the fluid, and the heat exchanger unit may comprise: a first plate; a second plate disposed on one surface side of the first plate to define, together with the first plate, an internal space in which the fluid introduced through the inlet moves toward the outlet; a heat generation member coupled to at least one of the first plate and the second plate and provided to provide heat into the internal space; and a guide part disposed in the internal space and provided to guide the fluid introduced through the inlet toward one plate, to which the heat generation member is coupled, of the first plate and the second plate.

The utility model discloses a heat exchange plate, belongs to the field of air preheaters, solves the problem that better heat exchange efficiency cannot be obtained when a plate sheet with higher hardness is used in the prior art, and mainly adopts the technical scheme that the heat exchange plate is formed by welding two thin plates which are arranged front and back through a plurality of linear welding parts, the non-welded parts on the two thin plates are far away from each other to form an air cavity for flowing air, the left side of the air cavity is an air inlet side, the right side of the air cavity is an air outlet side, and the linear welding part is in an up-and-down fluctuating wave shape. The heat exchange plate is mainly used for improving the heat exchange efficiency while ensuring the strength of the heat exchange plate.

A heat exchanger for a turbomachine of an aircraft, the heat exchanger having a plurality of fins intended to be swept by a first fluid in a first direction, the fins extending in a second direction between a first panel and a second panel, being arranged in several rows in a third direction, and being arranged in a staggered manner, each row of fins being parallel and connected to one another. The heat exchanger can be annular, centered on the third direction and can have an inner cylindrical surface defining an inlet and an outer cylindrical surface defining an outlet, and the fins can have a length which decreases radially in the heat exchanger, in the first direction, between the inner cylindrical surface and the outer cylindrical surface.

A heat sink assembly and a manufacturing method thereof are provided. The heat sink assembly includes a heat dissipating base and a sealing member. The heat dissipating base includes a main body and a dissipating seat. The main body is mounted to a connector assembly, and an inner surface of the main body defines a passageway space. The heat dissipating seat is placed in the passageway space. The sealing member is provided in the passageway space. The sealing member has a fixing portion which is connected to the inner surface of the main body, and a floating portion which is connected to the fixing portion and the heat dissipating seat and is separated from the inner surface of the main body. Therefore, it can allow the heat dissipating seat to cooperate with contacting and abutting of a pluggable assembly to move relative to the main body, avoid the heat dissipating seat generating interference with the pluggable assembly, in turn attain an effect of promoting mounting firmness.

The present invention relates to a plate of a heat exchanger having two opposite longitudinal edges connected to one another by two lateral edges, these longitudinal edges and lateral edges surrounding a bottom wall, an angle measured between this bottom wall and any one of the edges ranging between 103.5° and 109.5°, a thickness of the plate ranging between 0.20 mm and 0.45 mm, the bottom wall being equipped with fluid-flow-disturbing elements, these fluid-flow-disturbing elements having a vertical dimension that ranges between 0.75 mm and 1.15 mm.

A heat exchanger with a heat-exchanging portion is electrochemically deposited onto a base (for thermal coupling to a heat source) or directly on the heat source. The heat-exchanging portion comprises extensions that define openings (e.g., channels) for passing heat transfer fluid through the heat exchanger. The geometry of these c and / or openings varies throughout the exchange to achieve different unit-area thermal conductivities for at least two different portions of the heat-receiving surface. For example, the thickness, height, spacing, shape, and / or materials of the heat-exchanging extensions may be selected to achieve the desired heat transfer at each zone. This variability in unit-area thermal conductivities may be used to accommodate for “hot spots”, heating of the heat transfer fluid, fluid dynamics, and other factors associated with the heat exchanger operation. Electrochemical additive manufacturing (ECAM) is used to fabricate at least heat-exchanging extensions thereby enabling precise and zone-specific thermal transfer characteristics.

The invention provides a heat exchanger which comprises a core plate bundle, the core plate bundle comprises a plurality of heat exchange plates arranged in a stacked mode, each heat exchange plate is provided with a plurality of heat exchange runners at intervals in the width direction of the core plate bundle, and each heat exchange runner extends to the end of the corresponding heat exchange plate in the length direction of the core plate bundle; the heat exchange flow channels in every two adjacent heat exchange plates are used for containing different heat exchange fluids, and the flowing directions of the heat exchange fluids are opposite. The two end plates are arranged on the two opposite sides of the core plate bundle in the thickness direction of the core plate bundle respectively. And the four fluid main pipes are used for allowing heat exchange fluid to enter or leave the core plate bundle, each fluid main pipe is connected with a plurality of fluid branch pipes in the width direction, and the fluid branch pipes connected with one fluid main pipe communicate with the heat exchange runners on the heat exchange plates containing the corresponding heat exchange fluid in a one-to-one correspondence mode. The heat exchanger is simple in structure, convenient to manufacture, uniform in fluid distribution, good in safety and long in service life, and the heat exchange efficiency is greatly improved.

The invention relates to a compartment designed to receive a part capable of giving off heat during its operation, in particular the part being an electrochemical energy storage module. The compartment includes a lid, a tray provided with a bottom wall on which the part can be placed, and a side wall designed to be assembled with the lid that closes the tray, the bottom wall and the side wall being in a single piece. The compartment further includes an outer plate which is designed to be assembled on an outer assembly face of the tray or of the lid, in order to form at least one flow channel for a heat transfer fluid.

A cooling assembly for cooling exhaust gases emitted from a steel-making furnace includes a plate configured to be coupled to the furnace. The plate has a first surface and an opposing second surface. The assembly includes a body having a defined length and a cross-sectional shape having a thickness defined between an outer surface and an inner surface thereof. The body includes a first mounting end and a second mounting end, where the first mounting end is mounted to the first surface at a first angle greater than 0°. The second mounting end is also mounted to the first surface at a second angle greater than 0°, and the second mounting end is spaced from the first mounting end. A conduit is defined between the inner surface and first surface for a cooling fluid to flow therethrough.

The disclosure relates to a plate heat exchanger comprising: a package of heat exchanger plates, each having a peripheral portion and several port portions with through flow ports communicating with flow passages between adjacent heat exchanger plates. First guiding ribs are arranged in the port portions, which first guiding ribs in every other flow passage between the heat exchanger plates are configured to guide and distribute the first heat exchange medium from a first inlet channel to a heat exchange portion and from the heat exchange portion to a first outlet channel, and in that second guiding ribs are arranged in the port portions, which second guiding ribs in the remaining flow passages between the heat exchanger plates are configured to guide and distribute a second heat exchange medium from a second inlet channel to the heat exchange portion and from the heat exchange portion to a second outlet channel.

To provide a heat sink with excellent thermal connectivity between a base and heat dissipating fins, and also with excellent flexibility in the arrangement of heat-conductive members.SOLUTION: A heat sink has a base portion having a first surface and a second surface opposite the first surface, and to which a heating element is thermally connected to the second surface, and a heat radiation fin erected on said first surface of the base portion, and the base portion and the heat radiation fin are integrally molded into the heat sink, and at least a portion of a heat conductive member is embedded in the heat sink.SELECTED DRAWING: Figure 1

The present disclosure relates to an active heat dissipation apparatus including a thermal conduction panel body having a refrigerant flow space in which a refrigerant is stored and flows, the refrigerant flow space being formed in the thermal conduction panel body, in which the refrigerant flow space includes a first refrigerant flow path positioned to be adjacent to a press-fitting portion provided on a rear surface portion of a heat dissipation housing main body that is a heat dissipation target, the first refrigerant flow path having a vaporization zone in which the refrigerant changes from a liquid phase to a gaseous phase, and a plurality of second refrigerant flow paths provided in a condensation zone provided in a portion other than the first refrigerant flow path and configured to guide a flow of a liquid refrigerant to the vaporization zone, and in which the second refrigerant flow paths protrude in the refrigerant flow space and have surfaces that adjoin one another and are in surface contact with one another, and the second refrigerant flow paths form independent flow paths for the liquid refrigerant by a plurality of strength reinforcement portions provided straight and inclined toward the first refrigerant flow path.

Device for containing liquid, of the type container or circulation circuit, and methods of manufacturing this device. The invention relates to a device (1) for containing liquid, of the type container or thermal regulation circuit with heat transfer fluid, comprising at least one metal wall (2) which has openings (3, 3') for the passage of the liquid through said wall (2), a supply or discharge pipette (4, 4') being present on the external face of said wall (2), at the level of each opening (3, 3') and being connected in a hermetic manner to the opening (3, 3') concerned.Device (1) characterized in that each pipette (4, 4') is a pipette made of thermoplastic material, attached exclusively indirectly to the metal wall (2), around the relevant opening (3, 3'), through an intermediate metal piece (5), assembled directly with the outer face of said metal wall (2), and / or, through an intermediate piece or layer made of thermoplastic material (5'), attached by welding or overmolding onto the outer face (2') of said metal wall (2) or onto an intermediate metal piece (5) assembled directly with said outer face (2') of the metal wall (2). Figure to be published with the abbreviation: Fig. 5A.

A plate heat exchanger comprises at least one unit comprising four plates, namely a plate pack comprising a first plate having transversely extending cutouts therein and an adjacent second plate having transversely extending cutouts therein, the plate pack being sandwiched between two solid plates without cutouts. At least some of the cutouts of the first plate intersect at least some of the cutouts of the second plate.

The invention relates to a device for thermal regulation of at least one electronic component, including at least two circulation conduits of a heat transfer fluid, arranged along a stacking axis, and at least one heat transfer fluid manifold in fluidic communication with the circulation conduits. The heat transfer fluid manifold includes at least two fluidic connection portions, respectively assembled at one end of a corresponding circulation conduit and having, respectively, at least one collar bordering an orifice, and at least one hollow connector interposed between two fluidic connection portions along the stacking axis, and having two opposite end sections, slidably mounted inside the collars of two facing fluidic connection portions.

A cooling assembly for liquid cooling of a heat-generating component such as a dual in-line memory module (DIMM) in a computer device is disclosed. The cooling assembly includes a bracket holding a micro-pipe assembly. The micro-pipe assembly has a cold manifold, a hot manifold and a series of micro-pipes. The micro-pipes are fluidly coupled between the cold manifold and hot manifold to allow coolant flow between the cold manifold and the hot manifold. The bracket positions the micro-pipe assembly such that micro-pipes are positioned proximate to opposite sides of the heat-generating component. A coolant inlet supplies coolant to the cold manifold and a coolant outlet collecting coolant from the hot manifold.

Embodiments of this application relate to the field of electronic device technologies, and provide a vapor chamber and an electronic device. The vapor chamber includes: a housing, where the housing includes a first cover plate and a second cover plate, the first cover plate is connected to the second cover plate to enclose a closed cavity, and the cavity is provided with a cooling medium; a capillarity structure, disposed in the cavity; and a heat dissipation structure, disposed in an inner surface of the cavity, where the heat dissipation structure includes at least one structure of a protrusion and a groove. The vapor chamber and electronic device provided in embodiments of this application have good heat dissipation performance.

A fluid heat exchanger includes: a heat spreader plate including an intended heat generating component contact region; a plurality of microchannels for directing heat transfer fluid over the heat spreader plate, the plurality of microchannels each having a first end and an opposite end and each of the plurality of microchannels extending substantially parallel with each other microchannel and each of the plurality of microchannels having a continuous channel flow path between their first end and their opposite end; a fluid inlet opening for the plurality of microchannels and positioned between the microchannel first and opposite ends, a first fluid outlet opening from the plurality of microchannels at each of the microchannel first ends; and an opposite fluid outlet opening from the plurality of microchannels at each of the microchannel opposite ends, the fluid inlet opening and the first and opposite fluid outlet openings providing that any flow of heat transfer fluid that passes into the plurality of microchannels, flows along the full length of each of the plurality of microchannels in two directions outwardly from the fluid inlet opening. A method of cooling a heat generating component uses a fluid heat exchanger that splits a mass flow of coolant.