Abstract: Cooling performance of a cooler for pre-cooling humid gas supplied to a gas turbine power generation plant, etc. is improved by increasing heat transfer efficiency between the humid gas and cooling liquid flowing in heat exchanger tubes with utilization of condensed liquid generated due to the cooling of the humid gas. In a heat exchanger for cooling humid gas a flowing surrounding heat exchanger tubes 8 of the tube groups 9a and 9b by flowing cooling liquid r in the tubes, the liquid droplets cl generated by condensation of moisture contained in the humid gas are gathered and sprinkled or fallen in drops on a part of the heat exchanger tube group 9b, which results in increased heat exchange efficiency.

Abstract: A first header tank to which first heat exchange tubes of second and third heat exchange paths are connected and a second header tank to which second heat exchange tubes of a first heat exchange path are connected are provided at the left end of a condenser such that the former is located on the outer side of the latter with respect to a left-right direction and is offset from the latter in an air passage direction. The upper end of the first header tank is located above the lower end of the second header tank. The first header tank has a function of separating gas and liquid and storing the liquid. The first and second heat exchange tubes and side plates are bent in the same direction about a common vertical line. This condenser is suitable for use in a car air conditioner mounted on an automobile.

Abstract: A receiver includes a cylindrical main tank; a cylindrical internal thread component having an internal thread; a cap having a male thread threaded with the internal thread; a sealing attached to the cap; and a filter portion arranged in the cap. The internal thread component is coaxially arranged to an inner circumference face of the tank. The filter portion includes an internal passage extending inside of the cap, and a net that collects a foreign matter contained in refrigerant flowing through the internal passage.

Abstract: The invention relates to a condenser, having a process gas side and a heat transfer medium side said condenser being configured for feeding a hot process gas containing a condensable component to an inlet of the condensing side, and being further configured for withdrawing a cooled process gas from an outlet of the condensing side, and being even further configured for withdrawing a condensate in a position proximate to one end of the condenser, and said condenser having the process gas side divided in a process gas cooling zone configured for having a cool heat transfer medium inlet and a heated heat transfer medium outlet, and a process gas re-heating zone downstream the process gas cooling section, configured for re-heating of the process gas, as well as a processes for condensation and production of sulphuric acid employing such a condenser.

Abstract: A condenser 10 is disposed under a steam turbine 100 including a downward exhaust-type exhaust chamber. The condenser 10 includes: a condenser main body part 20; a connecting body part 30 connecting the exhaust chamber 122 and the condenser main body part 20 and having a pair of lateral sidewalls 31, 32 whose inner wall surfaces 31a, 32a are inclined more outward in terms of the perpendicular direction as they go more downstream; and a pair of plate-shaped members 40a, 40b, 41a, 41b which are provided on inner wall surfaces 35a, 36a of longitudinal sidewalls 35, 36, the pair of plate-shaped members 40a, 40b, 41a, 41b being located across a position of an inlet 33 of the connecting body part 30 and on more outer sides than the position of the inlet 33 in terms of the perpendicular direction, projecting in the turbine rotor axial direction, and extending downstream.

Abstract: A horizontal sulfur condenser may include an exterior casing with a plurality of condenser tubes arranged longitudinally within the casing, a liquid sulfur reservoir at a longitudinal end within the exterior casing, and an internal baffle that protrudes into the liquid sulfur reservoir from the surface. The lowest of the plurality of condenser tubes is parallel to a wall of the exterior casing. A Claus process gas inlet is proximate a first end of the plurality of condenser tubes, which are arranged horizontally but are positioned vertically above the sulfur reservoir. A liquid sulfur outlet is located at the liquid sulfur surface. The baffle creates multiple chambers above the sulfur reservoir, such as a first chamber defined by the exterior casing and the baffle to receive condensed Claus sulfur in the liquid reservoir, and a second chamber defined by the exterior casing and the baffle to receive degassed liquid sulfur.

Abstract: A vertically oriented sulfur condenser may employ a plurality of condenser tubes arranged longitudinally within an exterior casing, a liquid sulfur reservoir at a longitudinal end of the sulfur condenser, and a condenser tube wall of at least one of the plurality of condenser tubes that protrudes into and below a liquid sulfur reservoir. A catalyst may be located within the liquid sulfur reservoir. A liquid sulfur outlet may be located at the liquid sulfur surface. A Claus process gas inlet may be proximate a first end of the plurality of condenser tubes. A first tube sheet may connect to and seal an end of the plurality of condenser tubes proximate a first end of the plurality of condenser tubes. A second tube sheet may connect to and seals with the plurality of condenser tubes and the exterior casing proximate a second end of the plurality of condenser tubes.

Abstract: A first header tank to which first heat exchange tubes of third and fourth heat exchange paths are connected and a second header tank to which second heat exchange tubes of first and second heat exchange paths are connected are provided at one end of a condenser. The upper end of the first header tank is located above the lower end of the second header tank. The first header tank has a function of separating gas and liquid from each other and storing the liquid. A spacer is disposed between the first header tank and the second header tank. The spacer includes a first portion which comes into contact with and is brazed to the first header tank, and a second portion which comes into contact with and is brazed to the second header tank.

Abstract: The effectiveness of heat transfer to and from a thermal energy storage medium, for example a phase change medium, is enhanced by the inclusion of thermally-conductive elements within the thermal energy storage medium. The thermally-conductive elements may be filler shapes placed in a self-supporting stacking arrangement, which may be a random stacking arrangement. The effective thermal conductivity of the matrix that includes the thermal energy storage medium and the thermally-conductive elements is higher than the thermal conductivity of the thermal energy storage medium itself. Other thermally-conductive elements may be used, for example thermally-conductive sheets.

Abstract: A refrigerant distributor is described and which includes a tank defining an internal cavity for receiving a source of refrigerant; an inlet conduit for delivering the source of the refrigerant to the internal cavity of the tank; a contaminant collection container coupled in fluid receiving relation relative to the internal cavity of the tank and in disposal fluid receiving relation relative to the inlet conduit; and a plurality of refrigerant distributor conduits coupled in fluid flowing relation relative to the internal cavity of the tank and which have a multiplicity of apertures having variable diametral dimensions and which facilitate a variable flow of the source of refrigerant out through the refrigerant distributor conduits as the volume of the refrigerant in the tank increases.

Abstract: A counter flow indirect evaporative heat exchanger (10) having vertically stacked alternate counter flow wet (14) and dry (12) passages where the wet passages are wetted during operation of the heat exchanger by wetting means (50, 52, 53, 54, 70, 72, 74, 76) travelling vertically of the stack. Elongately wetting of a small plurality of the total number of passages (14, 12) of the heat exchanger (10) occurs at a time during vertical travel of the wetting means.

Abstract: A heat recovery apparatus recovers steam drain including at least one of steam used in a different device and drain where the steam used in the different device is condensed so as to recover heat contained in the steam drain. The heat recovery apparatus includes a pump, which circulates water accumulated in a tank through circulation pipes, an ejector, which is interposed in the circulation pipes and suctions the steam drain and mixes the steam drain with the circulating water so as to recover the steam drain, and a ball tap and a temperature controller, which perform temperature control of the water in the tank by replenishing the tank with tap water after a part of the water in the tank is discharged in the case where the water in the tank has reached a preliminarily set first temperature.

Abstract: A granulation installation for a melt produced in a metallurgical plant, especially for blast furnace slag having a water injection device for quenching and thereby granulating the melt and a granulation tank for collecting water and granulates a steam condensation tower is located above the granulation tank for collecting steam generated in the tank, where the tower has a steam condensing system with a water-spraying device and a water-collecting device below the water-spraying device, and the tower is equipped with a stack for selectively evacuating excessive steam to the atmosphere, the stack having an inlet communicating with the lower zone of the condensation tower and an outlet arranged to evacuate steam to the atmosphere above the condensation tower, the stack being equipped with an obturator device for selective evacuation of steam through the stack, where the installation according to the invention may process an increase of 60% of slag, e.g.

Abstract: A steam heat exchanger includes a steam heating pipe with a condensation pipe part and a sensible heat pipe part provided on the lower side of the condensation pipe part. In the condensation pipe part, a liquid is heated by latent heat. The drain discharge capacity in a steam trap or an orifice disposed on the drain discharge side equals the amount of condensation at the service temperature of the steam heat exchanger. Condensed water produced after the heat exchange in the condensation pipe part enters the sensible heat pipe part on the downstream side to hold the sensible heat pipe part in a water sealed state. In this sensible heat pipe part, the liquid is heated by sensible heat. Heat exchange efficiency is improved by using latent and sensible heat, the amount of steam used can be reduced, and the load of a steam generation source can be reduced.

Abstract: The invention relates to a heat exchanger for a refrigerant dryer such as a compressed air refrigerant dryer comprising at least one first inflow surface element, past which a fluid to be dried such as compressed air can flow during operation of the heat exchanger, and comprising at least one second inflow surface element, past which a refrigerant fluid can flow as required during operation of the heat exchanger, wherein the first and second inflow surface elements are or can be coupled at least in some areas to at least one cold store chamber that is provided for filling with a cold accumulator medium, and wherein the first and/or second inflow surface element(s) (is) are connected to at least one heat transfer element which extends into the cold store chamber, e.g. penetrates the cold store chamber.

Abstract: The electronic system includes an electronic device and a liquid holding section that is thermally coupled to the electronic device. The electronic system further includes an impermeable section that engages the liquid holding section. The impermeable section includes a channel and a plurality of passages that provide fluid communication between the liquid holding section and the channel. The electronic system further includes (i) a first fluid that flows through the channel in the impermeable section to facilitate heat transfer from the electronic device to the first fluid; and (ii) a second fluid that flows from the liquid holding section through the plurality of passages into the channel when the second fluid boils within the liquid holding section due to heat transfer from the electronic device to the second fluid. In some embodiments, the first and second fluids are different types of substances.

Abstract: Plate type heat exchanger (20,120) for a isothermal chemical reactor (60), of the type comprising a substantially box-shaped flattened body (22), defining an internal chamber (24) and equipped with an inlet connection (28) and an outlet connection (29) for a first flow of a heat exchanger operative fluid into and from said chamber (24), at least one supplying-distributing device (26, 126) of a second fluid flow, associated with said body (22) and in fluid communication with the internal chamber (24) thereof, in order to regulate the temperature of said operative fluid, said at least one supplying-distributing device (26,126) being supported inside said internal chamber (24) and in fluid communication therewith.

Abstract: A method of providing utilities to a computer data center is discussed. The method includes initially connecting one or more non-evaporative cooling units to a data center as primary cooling plants, obtaining a government-issued water permit, and after obtaining the government-issued water permit, transitioning primary cooling for the data center to one or more evaporative cooling towers.

Abstract: The cooling system for a vehicle comprises a heat exchanger in which a condenser 200 comprising a plurality of tubes 112, 220; a pair of tanks 210; and fins 113, 230 and in which a condenser 200 comprised of portions 210B, 220, 230 through which the refrigerant is flowed is integrally formed with a first oil cooler 110 comprised of portions 210A, 112, 113 through which the oil is flowed; a radiator 300 which comprises a plurality of radiator tubes 320; a pair of radiator tanks 310; and radiator fins 330, and which is positioned at a down stream of the condenser 200 in the air blow direction; and a second oil cooler 120 which is provided in one of the radiator tanks 310 of the radiator 300.

Abstract: A method of cleaning a pipeline that may include the steps of pumping a process fluid through a flameless heating unit, preheating the process fluid before it enters a dynamic heat generator, controlling the flameless heating unit to heat the process fluid to a temperature in a range sufficient to melt deposits disposed in the pipeline, and transferring the process fluid from the flameless heating unit into the pipeline. Other steps may include using the heated process fluid to operate a tool operatively disposed in the pipeline, whereby the heated process fluid and the tool work collectively to melt and clear the deposits. The flameless heating unit may include an internal combustion engine, a dynamic heat generator operatively connected to the internal combustion engine, and a pump configured to provide a discharged fluid to the dynamic heat generator.

Abstract: In a cooling system for an electronic device of the present invention, server rooms in which a plurality of servers are placed, an evaporator which is provided close to each of the servers, and cools exhaust air from the server by vaporizing a refrigerant with heat generating from the server, a cooling tower which is provided at a place higher than the evaporator, cools the refrigerant by outside air and water sprinkling, and condenses the vaporized refrigerant, and a circulation line in which the refrigerant naturally circulates between the evaporator and the cooling tower. According to the cooling system, an electronic device which is required to perform a precise operation with a heat generation amount from itself being large, such as a computer and a server, can be efficiently cooled at low running cost.

Abstract: The intake air cooler of the invention comprises a first cooling stage (24) and a second cooling stage (26) grouped in a single heat exchanger housing (30) and sharing a common heat exchanger bundle (28) accommodated in the housing and traversed by a cooling liquid. Application to turbocharged internal combustion engines for motor vehicles.

Abstract: A dehumidification system includes: an auxiliary heat exchanger connected to the heating medium circuit in series with the cooling heat exchanger, and provided downstream of a cooling heat exchanger in an air passage; a first air heat exchanger connected to a circulation circuit, and provided upstream of the cooling heat exchanger in the air passage; and a second air heat exchanger connected to the circulation circuit in series with the first air heat exchanger, and provided downstream of the auxiliary heat exchanger in the air passage, wherein the heating medium circuit performs a first action of sending a heating medium which is cooled in a cooling section, and sequentially flowed through the cooling heat exchanger and the auxiliary heat exchanger to the cooling section.

Abstract: A ventilation device for transmissions with lubricant comprising water, the device being disposed above the transmission (1) and being connected thereto by way of a line (10) and comprising a pressure equalization opening (13) that leads to the surrounding environment, is to operate without loss of evaporating water to the environment. To this end, the device comprises at least one container (17) designed as a condenser for evaporated water rising through the line (10), the container being provided with a cooling element for dissipating heat (15), the condensate passing from said container (17) back to the transmission (1). In one variant, two containers containing a fluid are described which communicate with one another by way of a U-shaped channel.

Abstract: The present invention provides a system and method for producing hot water without a flame. The system and method heats water to at least a specified temperature without a flame by providing a source of water and a prime mover, pumping water from the source of water into one or more heat exchangers, pre-heating the water using the one or more heat exchangers, heating the pre-heated water to at least the specified temperature without a flame using a dynamic heat generator driven by the prime mover, using the heated water in the one or more heat exchangers to pre-heat the water and providing the heated water to an output.

Abstract: The invention relates to an air cooled condenser system that contains a steam-air heat exchanger (3) consisting of tubes (2) finned on the outside for the partial direct condensing of steam (1) with ambient air (4). This heat exchanger (3) receives the steam (1) from an upper distribution chamber (24) and ends in a lower chamber (25) which collects the condensate (8) and the steam (27) that has not yet condensed. The steam (22) not yet condensed in the steam-air heat exchanger (3) is condensed, in the steam-air section of the air cooled condenser, in a space operating as a direct contact condenser (9) by spraying water from the water-air cooling section (7) of the air cooled condenser, where the non-condensing gases are removed as well. The water (13) heated up in the direct contact condenser (9) is re-cooled in a water-air heat exchanger (7).

Abstract: An air source heat exchange system and method in which usable heat is exchanged between a prescribed volume of a fluid heat exchange medium, preferably water, within a heat exchange chamber and ambient air outside the chamber. At least one and preferably a plurality of air source heat exchange chambers are provided, each having a volume for containing the prescribed volume of water dwelled within the chamber. The chamber has a chamber wall constructed of a material enabling effective heat transfer between the water dwelled within the chamber and adjacent ambient air outside the chamber. A circulation system circulates the water along a path of flow passing into and out of the volume of the chamber at a rate of flow so related to the prescribed volume of water that usable heat is transferred through the chamber wall, between the ambient air and the prescribed volume of water dwelled within the chamber.

Abstract: A method of providing utilities to a computer data center is discussed. The method includes initially connecting one or more non-evaporative cooling units to a data center as primary cooling plants, obtaining a government-issued water permit, and after obtaining the government-issued water permit, transitioning primary cooling for the data center to one or more evaporative cooling towers.

Abstract: A thermosyphon heat exchanger according to the disclosure includes a set of linear conduit elements and a heat exchange plate mounted in a heat receiving region on the conduit elements. The longitudinal axes of the conduit elements extend in a first direction in a plane defined by the flat side of the heat exchange plate. The conduit elements project above the heat receiving region in the first direction on a first side and an opposing second side such that the extension of the conduit elements on each side of the heat exchange region is suitable for constituting a condensing region for condensing a refrigerant vaporized in the heat receiving region if the first direction is arranged vertically.

Abstract: Carbonaceous materials are thermally upgraded in a pressurized steam environment to remove moisture and other byproducts. A variety of water/solid separation devices may be employed in a process vessel to maximize moisture removal from the upgraded charge. Heating media inlet nozzles and process chamber vents are strategically positioned at the process vessel wall to minimize short circuiting of heating media to vessel outlet vents and to continuously separate hot water removed from the charge and condensed steam, such that the upgraded material removed from the process vessel is not discharged with accompanying free moisture. After upgrading, the charge may be rehydrated to improve its stability during shipping and storage.

Abstract: In one embodiment, a direct-contact steam condenser includes: a steam cooling chamber; a inflow part; a plurality of first spray nozzles; and a water reservoir part. The inflow part leads turbine exhaust gas containing steam and non-condensable gas in a substantially horizontal direction into the steam cooling chamber. The plurality of first spray nozzles are disposed in the steam cooling chamber to be connected to a plurality of spray pipes extending along the direction in which the turbine exhaust gas is led in, and spray cooling water to the turbine exhaust gas. The water reservoir part is disposed under the steam cooling chamber to store condensate water that is condensed from the steam by the spraying of the cooling water.

Abstract: The present invention is primarily directed to a thermal energy storage apparatus for delivering thermal energy to or from a PCM, comprising an elongated heat conducting container (10) having an insertable thermal energy transfer element (15) placed therein, wherein said thermal energy transfer element comprises a plurality of heat transfer paths in the form of transversely disposed flexible heat conducting members (16), at least a portion of which are in contact with the inner wall of said container (10). The invention is also directed to a system using the thermal energy storage apparatus of the invention.

Abstract: A multi-tube spraying device is provided. The multi-tube spraying device includes a body having a closed vessel, wherein a plurality of spraying tubes are disposed in the upper part of the closed vessel and a plurality of heat exchanging tubes are disposed in the lower part of the closed vessel. The device further includes an outlet pipe for discharging refrigerant vapor contained therein and a connecting pipe for introducing the refrigerant vapor from a source to the vessel. In addition, a liquid-vapor separator connected to the refrigerant source separates the refrigerant into vapor and liquid for introducing the liquid refrigerant to the spraying tubes in the vessel while introducing the refrigerant vapor into the vessel. Therefore, a heat exchange is performed between the refrigerant and the heat exchanging tubes.

Abstract: A condensing equipment including a plurality of condensers having shells different in longitudinal lengths are arranged in parallel, and the condensers are connected in series by circulation water pipes. The center positions in a shell length direction of the respective condensers are made to differ in the length direction. The lengths of an inlet side circulation water pipe and an outlet side circulation pipe of condensers adjacent to each other among the condensers are made coincident with each other.

Abstract: A thermodynamic energy conversion device (14) based on the effect of differential evaporation generated by a convex liquid surface and by a temperature gradient is constructed for the use either as a heat or hydraulic pump. In one arrangement the device (14) comprises two heat conductive containers (1) and (2); a working liquid (5) disposed in said containers with open surfaces (6) and (6?); a vapour (7) of the working liquid; a porous device (8) for creating at least one convex meniscus (9) on the open surface (6), of the working liquid (5) in one of the containers said convex meniscus having higher mean curvature than that of the open surface (6?); means (10) for connecting containers (1) and (2) to an external hydraulic circuit (11). An efficient external combustion engine using such a device (14) is disclosed.

Abstract: A condenser includes a condenser core, input and output manifolds connected therewith. The condenser core has a blade-thru structure, which is formed by a plurality of layers of thin metal blades stacked on top of another by joint interfaces or joined by spacer rings between two adjacent blades. Each layer of the blades includes condensation chamber(s), wherein the floor of the chamber is monolithic with the rest of the blade. The blades are so aligned that the condensation chamber(s) of each blade are on top of the condensation chamber(s) of the blade immediate underneath, thereby forming phase exchange column(s). Each condensation chamber has one or more apertures on the floor thereof, permitting vapor and condensate to pass therethrough and causing vibration of the chamber floor. Further disclosed is a heat dissipation system utilizing the blade-thru condenser, as well as a computer system utilizing the heat dissipation system.

Abstract: Microtubule encapsulated microcapsules of a phase-change material and preparation thereof are provided. The microcapsules of a phase-change material consist of a phase-change material, truncated microtubules, and a polymer. The truncated microtubules are formed by truncating hollow tubular natural fibers into fiber segments with a length of 0.1 mm-5 cm. The diameter of the hollow tubular natural fiber is 0.1-1000 ?m. The phase-change material is encapsulated in the truncated microtubules and the truncated microtubules are covered with the polymer. The microtubules have high energy storage density due to high hollowness, and can transfer energy stably due to the closed structure, transfer heat rapidly due to the very fine micro-tubular structures, and may be used for a long term in view of the heat and chemical stability.

Abstract: An air-cooled condenser for receiving and condensing steam has at least one first, corner module and at least one second, intermediate module. The first module has a four-sided profile in plan view and a respective vertical tube bundle panel located on each of two adjacent sides of the first module. The second module has a four-sided profile in plan view and a vertical tube bundle panel on one of its sides, and an internal tube bundle panel disposed inside of the second module. Steam is supplied to all of the tube bundle panels.

Abstract: An evaporator including a heat exchange core of tube groups in plural parallel rows in a front-rear direction, each including plural heat exchange tubes in a left-right direction at a spacing, and a tank at the heat exchange core lower end and having headers in the front-rear direction. The heat exchange tubes are joined to the headers, while inserted through respective tube insertion holes in a top wall of the header. Adjacent headers connect to each other by a connector providing a drain gutter with front, rear opposite side faces extending respectively forwardly, rearwardly away from each other as the side faces extend upward. Each insertion hole has one end adjacent to the connector positioned in the drain gutter side face and each heat exchange tube has a side end adjacent to the connector positioned in the drain gutter. The connector has drain holes extending therethrough.

Abstract: An apparatus (10) for transferring heat from a coolant to a fluid in a coolant recycling system, the apparatus including; a heat exchange region (9) through which the fluid flows such that heat is transferred from the coolant to the fluid and a recycling loop (13) for recycling the fluid flowing from the heat exchange region, whereby the fluid is cooled in the recycling loop before being returned to the heat exchange region.

Abstract: A condenser that restrains fluctuations in the condenser vacuum in a power generating installation. In particular, the condenser has a circulating path through which cooling water flows; a tube nest for condensing steam from a steam turbine with the cooling water; and a discharge path. Additionally, a bypass tube; a control valve for controlling the flow rate of the cooling water supplied from the circulating path to the discharge path; a recirculating path; and a booster pump that controls the flow rate of the cooling water are provided. One of the temperature, the flow rate and both the temperature and the flow rate of the cooling water to flow through the two tube nests is deviated from the temperature and the flow rate of the cooling water on the upstream side of the circulating path using the control valve and booster pump.

Abstract: A condensate heat exchanger is provided for recovering heat from condensate draining from a condensate boiler.

Abstract: A dew point cooling tower system utilizes cooled water produced by the system to reduce the wet bulb temperature of ambient air before the ambient air is directed through fill in the cooling tower.

Abstract: Method and system for condensing steam at any temperature, the steam being in contact with a large water surface, whereby the relative temperatures of the steam and water are regulated so that the steam is kept at under-saturation pressure and the water temperature is kept at up to 100° C.

Abstract: A guiding device (2) includes a base (21), a cover (23) and a sidewall (22) cooperatively defining an annular space therein and a passage therethrough. An air inlet (221) is defined in the sidewall communicating with the space for an airflow flowing into the space. A plurality of guiding plates (24) are arranged in the space around the passage. An air outlet (29) is defined between two neighboring guiding plates for the airflow flowing out the space into the passage. The airflow is distributed into a plurality of even streams by the guiding plates. An atomizer (4) is connected with the space via the air inlet. The atomizer produces a high-pressured water vapor which is taken by the airflow to cool an aluminum profile produced by an extrusions press (6) and moving through the passage.

Abstract: An evaporative plate-type heat exchanger is provided having a plurality of alternating first plates and second plates positioned in side-by side relationship to form a top surface, a bottom surface, a front surface and a rear surface. The first and second plates form a plurality of dry air flow passages, between first faces of the first plates and first faces of adjacent second plates, that are in communication with dry air flow inlet openings and dry air flow outlet openings formed in the front surface. The first and second plates form a plurality of dry air flow passages, between second faces of the first plates and second faces of adjacent second plates, that are in communication with wet air flow inlet openings formed in the bottom surface and with wet air flow outlet openings formed in the rear surface. A method of forming the plate-type heat exchanger includes forming alternating first plates and second plates in a continuous sheet, and folding the continuous sheet in a fan fold arrangement.

Abstract: A compact two-pass steam condenser with at least one improved tube nest configuration, having, a steam inlet through which steam is received; at least one tube nest in two distinct bundles, the top and the bottom bundle each have a plurality of cooling tubes arranged in two distinct bundles and separated by a pass-partition for condensing the steam received through the steam inlet; and at least one non-condensable gas extracting tube through which non-condensable gas contained in the steam is extracted; a condensate outlet through which condensate condensed by the cooling tubes is discharged; and a vessel surrounding the tube nest.

Abstract: An improved evaporative cooling system with an enclosed insulated chamber having an inlet, an outlet and a blower in the system located downstream of the outlet to draw air to be cooled through the chamber. A foraminous filter extends across the inlet to clean the incoming air of large solid particles. An electric motor is mounted partially across the inlet opening, having a rotating shaft and supporting a disc for rotation on the shaft. A reservoir of water chilled to between about 55 and 40 degrees Fahrenheit is supported within the bottom of the chamber and positioned for engagement by the disc during rotation, which upon rotation flings chilled water adhered droplets upwardly away from the reservoir in a fan-shaped pattern to further clean, cool and humidify the air which passes through a fog-like curtain formed by the chilled water droplets moving within the chamber, prior to exiting the chamber.

Abstract: In a heat exchanger, a core has a first core portion including first tubes and a second core portion including second tubes. The first tubes defines first passages through which an internal fluid flows and the second tubes defines second passages through which the internal fluid passed through the first passages flows. A flow direction of the internal fluid passed through a first section of the first core portion and a flow direction of the refrigerant passed through a second section of the first core portion are changed with respect to a direction that the tubes are layered, before flowing in the second core portion. Thus, the internal fluid passed through the first section of the first core portion flows into a second section of the second core portion and the internal fluid passed through the second section of the first core portion flows into a first section of the second core portion.

Abstract: A heat exchange fin spacer. The fin may be sandwiched between two plates in a brazed-plate heat exchanger. The fin is based upon a corrugated product having wave legs which, when mounted, define flow channels for a gas to be condensed. The fin has at least one condensed liquid drainage channel on the wave legs and deviation elements that drain the liquid towards at least one lateral edge of the wave legs. The deviation elements are provided with at least one leading edge and/or at least one inclined trailing edge. The invention is suitable for use in the main heat exchanger of an air separation unit.