44 results about "Recuperator" patented technology

A system may include a gas turbine having a flow diffuser, a combustor, a turbine coupled to a shaft, and a retrofitted compressor section. The retrofitted compressor section retains a plurality of retrofitted rotating blades and is devoid of stator airfoils between the plurality of retrofitted rotating blades. Each of the plurality of retrofitted rotating blades being devoid of an airfoil. The system may include a compressed air storage tank, a recuperator, a low pressure (LP) intercooled compressor, a high pressure (HP) intercooled compressor, and a plurality of Turbophase modules. The tank is coupled to said LP compressor, said HP compressor, said gas turbine engine, and said recuperator. The HP compressor compresses air from said LP compressor to a highly compressed air for storage in said tank. The LP compressor is configured to selectively bypass said HP intercooled compressor to deliver compressed air to said gas turbine engine.

The utility model relates to a heat recovery air handling unit (1), which ensures a high level of heat exchange efficiency and high air exchange performance, and which comprises an external module (4) with an air intake grille (23) and an exhaust grille (24), an internal module (2) with a plate recuperator (5), a supply air grille (21) and an exhaust air grille (22), a filter (16), an exhaust air duct (6), an exhaust air outlet duct (7), an air intake duct (8), supply air duct (9), and a partition wall (10) between the exhaust air outlet duct (7) and air intake ducts (8) with fans (3, 11) that generate counter-flow air currents, specifically a fan (3) located in the air intake duct (8) and a fan (11) located in the exhaust air duct (7). The device includes a condensate removal system, and the internal module (2) consists of a wall-mounted section (2A) and a section (2B) installed within the wall, wherein the section (2B) installed within the wall contains a module (20) with fans (3, 11) installed therein.

This utility model relates to the field of regenerator technology and provides a material regenerator, comprising: support feet, two sets of support feet, and a first shell fixedly connected to the top of the two sets of support feet; a connecting column fixedly connected to the top of the first shell; a second shell welded to the top of the connecting column; a discharge port connected to the left side of the first shell via a flange; a feed port connected to the side of the second shell near the discharge port via a flange; sealing plates sealed to the inside of both ends of the first and second shells; and multiple heat exchange tubes arranged between the sealing plates. The material regenerator of this utility model, by setting a fixing component, allows for convenient disassembly and assembly of the U-shaped connecting pipe, facilitating internal flushing and maintenance of the heat exchange tubes. By using the first and second shells in series, the heat exchange rate can be greatly improved, meeting production needs and saving costs.

The invention relates to a turbogenerator device (8), comprising a first stage (ET1) with a first compressor (CP1) and a first turbine (TB1) connected together via a first shaft (A1), a first combustion chamber (CC1) delivering a first stream of gas (F1) to the first turbine, and a recuperator exchanger (1) comprising a first path with a first inlet (E1) receiving compressed air from the compressor and a first outlet (S1) directed towards the combustion chamber (CC1), the recuperator exchanger receiving burnt gases on a second inlet (E2) and releasing the cooled burnt gases via a second outlet (S2), the device providing fuel injection via an auxiliary inlet (EF) in the recuperator exchanger where the fuel mixes with the compressed air, the fuel being vaporized as it travels to the first outlet, so that the fuel arrives in a vaporized state in the combustion chamber.

An integrated thermal processing and energy conversion system includes a supercritical water oxidation (SCWO) reactor configured to oxidize liquid chemical waste at supercritical conditions, producing heat, CO2, and a mineral-rich slurry. A thermal recovery and storage unit captures heat from the SCWO reactor and uses it to heat pressurized supercritical CO2 (SCCO2), which is expanded through an SCCO2 turbine to generate mechanical and electrical power. The system includes a dry gas fractionator to separate SCCO2 gas from the slurry, a mineral carbonate generator to convert slurry and CO2 into dry mineral carbonates, and a recuperator for recovering additional heat. Cooled CO2 is compressed and stored or directed to a gas mixer for reuse in the SCWO process. Control systems coordinate temperature, pressure, and flow throughout the system. The configuration enables continuous waste treatment, heat recovery, and power generation from interconnected fluid and thermal streams.

A thermal management system and a vehicle are provided. The thermal management system (1) comprises an air conditioning module (100) and a battery temperature control module (200). The air conditioning module (100) includes a compressor (110), an in-vehicle heat exchanger (150), an external heat exchanger (160), and a recuperator (400) connected to form a refrigerant circuit. The recuperator (400) is configured to allow a refrigerant within the recuperator (400), flowing to an inlet of the compressor (110), to undergo heat exchange in order to recover heat. The battery temperature control module (200) is connected in the refrigerant circuit of the air conditioning module (100) to control the temperature of a battery through the air conditioning module (100).

A recuperative radiant tube system includes a radiant tube combustion system having a burner leg and an exhaust leg and is configured to produce a stream of products of combustion (POC) through a combustion process. A recuperator assembly is coupled to the exhaust leg and includes a first heat exchanger to facilitate heat exchange between a combustion air stream and the stream of POC in a recirculation loop. A booster assembly is coupled to the recuperator assembly and includes a second heat exchanger to facilitate additional heat exchange between the stream of POC and the combustion air stream outside the recirculation loop.

Burner (12) for heating a boiler room (55) with reduction of NOx emissions, comprising: a mixing and combustion chamber (54); a mixing and ignition device (51) arranged in the mixing and combustion chamber (54); a fuel supply (50) which is connected to the mixing and ignition device (51) and is designed to supply fuel to the mixing and ignition device (51); an air supply with an air supply pipe (30) delimiting the mixing and combustion chamber (54), which is designed to supply a first partial air flow (L1) to the mixing and combustion chamber (54); a recuperator (40) at least partially surrounding the air supply pipe (30), through which a second partial air flow (L2) is supplied to the mixing and combustion chamber (54) via the air supply; a combustion chamber opening (53) formed by the recuperator (40), which opens the mixing and combustion chamber (54) to a heating room (55) to be heated; Control means (60) designed to control a fuel flow (B) via the fuel supply (50) and to control at least the first partial air flow (L1) via the air supply, wherein the burner (12) and the control means (60) are designed to operate the burner (12) with a stable flame (56) extending from the mixing and ignition device (51) through the combustion chamber opening (53) into the heating chamber (55); wherein the air supply pipe (30) and the recuperator (40) each form an associated through-hole (33, 43) at their free end pointing in an axial direction (Z), which are arranged coaxially, wherein the through-hole (43) of the recuperator (40) forms the combustion chamber opening (53) and at least one air channel (39) through which the second partial air flow (L2) flows is formed between the recuperator (40) and the air supply pipe (30), which opens into the mixing and combustion chamber (54) between the through-hole (43) of the recuperator (40) and the through-hole (33) of the air supply pipe (30); characterized by the fact that the air supply pipe (30) forms a pipe extension (31) with an outer surface (32) tapering in the axial direction (z) towards the associated through hole (33) and the recuperator (40) forms a recuperator extension (41) with an inner surface (42) tapering in the axial direction (z) towards the associated through hole (43), wherein the pipe extension (31) and the recuperator extension (41) are arranged interlocking.

The present application relates to a kind of methods for avoiding temperature internal pinch point problem in S-CO2 low temperature recuperation system, S-CO2 low temperature recuperation system includes low temperature recuperator, low temperature recuperator has high pressure tube bundle and low pressure tube bundle, first fluid flows into high pressure tube bundle, second fluid flows into low pressure tube bundle, the temperature of the inlet end of high pressure tube bundle is lower than the temperature of the inlet end of low pressure tube bundle;The method comprises: the intermediate flow of first fluid in low temperature recuperator is divided, and the heat capacity flow rate of first fluid in low temperature recuperator is kept less than the heat capacity flow rate of second fluid.The present application solves the internal pinch point problem that can appear in low temperature recuperator by the way of intermediate flow of low temperature recuperator, and cold fluid that is divided off is absorbed flue gas waste heat in boiler by low temperature economizer, on the one hand, the temperature of fluid after being divided off and the fluid that flows out from the outlet of low temperature recuperator is matched when being converged, on the other hand, energy-saving effect is achieved.

A Johnson Electric Heat Pipe direct heat to electricity converter includes a housing containing a wick, a vapor exchange recuperator, a two-phase working fluid, an ionizable non-condensable gas, preferably hydrogen or oxygen, and an electrochemical cell. The heat pipe is coupled to a heat source and a heat sink. The gas phase of the two-phase working fluid and the non-condensable gas exist at partial pressures within a constant pressure system. Heat from the source evaporates two-phase working fluid resulting in low partial pressure of non-condensable gas. Heat rejected to the heat sink condenses working fluid, resulting in high partial pressure non-condensable gas. The non-condensable gas partial pressure differential is applied across the electrochemical cell whereby non-condensable gas expands through the electrochemical cell and generates electrical energy. The vapor exchange recuperator recuperates a substantial portion of two-phase working fluid heat of condensation for use as two-phase working fluid heat of evaporation.

A gas refrigerating machine comprising: an input for a gas to be cooled; a recuperator comprising a first recuperator output; a compressor comprising a compressor input, the compressor input being coupled to the first recuperator output; a heat exchanger; a turbine; a gas output; and a housing, wherein the housing comprises a wall, wherein the input for the gas to be cooled is located in the wall, wherein the gas output is located in the wall, and wherein the recuperator, the compressor, the turbine and the heat exchanger are arranged in the housing.

The utility model pertains to ventilation equipment, specifically to heat recovery air handling units, and can be used for installation within domestic and special-purpose premises. According to the utility model, a heat recovery air handling unit has been created, which ensures a high level of heat exchange efficiency and high air exchange performance, which contains an external module with external supply and external exhaust grilles, inner module with plate recuperator, with internal intake and internal exhaust grilles, with a filter, with an inlet chamber of the exhaust duct, with an outlet chamber of the exhaust duct, with an inlet chamber of the intake duct, with an outlet chamber of the intake duct and a partition between the inlet and outlet chambers of the exhaust and intake ducts, respectively, with fans that form counter air flows, with the fan located in the inlet chamber of the intake duct, and the fan is located in the outlet chamber of the exhaust duct. Wherein, the system contains a condensate removal system, and the inner module consists of an on-wall and an in-wall part, with the in-wall part containing a module with fans installed in it.

A gas turbine engine comprises an engine core having first and second engine core exhaust paths arranged to pass first and second portions respectively of the mass flow of the engine’s core exhaust mass. A heat-exchange system comprises a recuperator system disposed within the first engine core exhaust path and arranged to transfer heat from said first portion to a buffer fluid, and a heat exchanger arranged to transfer heat from the buffer fluid to fuel within a fuel path arranged to convey fuel to the engine’s combustor. The engine provides for heat to be recovered from the engine’s core exhaust flow to the engine’s fuel supply, thus improving thermal efficiency, but without significantly impeding the engine core exhaust flow or presenting the significant fire or explosion risk associated with a recuperator arranged to heat fuel directly.

An exemplary heat recovery air handling unit includes an inner module, an outer module, a central module with a plate recuperator, fans, an inlet chamber of the exhaust duct, an outlet chamber of the exhaust duct, an inlet chamber of the intake duct, an outlet chamber of the intake duct, and a partition between the inlet and outlet chambers of the exhaust and intake ducts, respectively. A recuperator of counterflow or crossflow type may be used as the plate recuperator, and the fans create opposing airflows. The heat recovery air handling unit also includes a condensate removal system.

An energy conversion plant is disclosed, having one or more driving units, for driving respective loads, such as an electric motor or a centrifugal compressor. The energy conversion plant comprises at least one heat exchange recuperator, for heating pre-compressed carbon dioxide to be fed into the driving units by the heat produced by the driving units themselves, and compression and pumping unit, for compressing the carbon dioxide. The carbon dioxide is also supplied by a fluid source auxiliary plants group.

The inventive technology, in embodiments, relates to the field of turbines, e.g., gas turbines, and may feature an inventive use of axial-in, axial components, e.g., compressor impeller and turbine wheel, and / or componentry such as impeller, turbine wheel, compressor diffuser, compressor diffuser and / or recuperator whose outer diameters are selected to reduce the radial space occupied by such components, and thus perhaps by the turbine itself. Certain embodiments may feature an inventive counterflow recuperator that achieves heat transfer between hot exhaust gas and pre-combustion gases, perhaps resulting in increases in, e.g., operation, spatial and / or other efficiency.

A gas turbine engine is configured to combust hydrogen fuel. The gas turbine engine comprises a fuel system comprising: a fuel pump configured to provide pressurised fuel to a core combustor of the gas turbine engine; a recuperator configured to heat fuel from combustion gases downstream of the core combustor; a fuel turbine downstream in fuel flow of the recuperator. The fuel turbine being configured to be driven by heated fuel and configured to power the fuel pump. Wherein the fuel turbine has an expansion ratio between 1.4 and 2.5.

An aircraft engine, has: a compressor, a combustor downstream of the compressor, and a turbine; a recuperator having a heat absorption conduit fluidly connecting the compressor to the combustor and a exhaust conduit fluidly connecting the turbine to ambient air surrounding the aircraft engine, the heat absorption conduit in heat exchange relationship with the exhaust conduit; a compressor conduit fluidly connecting the compressor to the heat absorption conduit of the recuperator, the compressor conduit defining a bypass outlet upstream of the recuperator relative to the flow of the compressed air; and a closure at the bypass outlet, the closure having: a closed position in which the closure closes the bypass outlet; and an opened position in which the closure opens the bypass outlet, wherein the closure is structured to move from the closed position to the opened position upon a pressure drop through the recuperator exceeding a pressure drop threshold.

To provide a waste heat recovery system of exhaust gas for a ship for recovering energy usable in the ship from waste heat of exhaust gas discharged from an engine.SOLUTION: A vaporization unit 100 provided on a heat medium circulation line RCL of a working fluid and configured to exchange heat between the working fluid and exhaust gas discharged from an engine using liquefied gas having a low flash point as fuel, an expansion turbine 300 configured to generate shaft power by expanding the working fluid in a gas state separated by a gas-liquid separator 200 configured to separate the heated working fluid into gas and liquid, a condenser 400 configured to cool and condense the working fluid, a supply pump 500 configured to pressurize the condensed working fluid, and a first recuperator 600 configured to heat a part of the pressurized working fluid and supply the heated working fluid to the vaporization unit; And a second recuperator 650a provided in parallel with the first recuperator 600 to heat the other part of the working fluid and supply it to the vaporization part, wherein the first recuperator 600 exchanges heat between the pressurized working fluid and the working fluid to the condenser 400, and the second recuperator 650a heats the pressurized working fluid by waste heat supplied from a compression device in the ship.SELECTED DRAWING: Figure 9

An air conditioning system includes two subsystems with the first one including a condenser, a liquid pump, a recuperator, a collector and an expander and the second one including the condenser, an air handler and a compressor. Refrigerant is heated in the recuperator and in the collector, energy is released from the refrigerant in the expander and the refrigerant flows to the condenser. Refrigerant circulates from the condenser to the air handler and to the compressor and returns to the condenser. Energy released from the expander is utilized to spin a shaft connected to the compressor reducing compressor dependence on an electrical power source.

A thermal management system and a vehicle are provided. The thermal management system (1) comprises an air conditioning module (100) and an integrated valve (300). The air conditioning module (100) comprises a compressor (110), an internal vehicle heat exchanger (120), an external vehicle heat exchanger (130), and a recuperator (400), which are connected to form at least one section of a refrigerant circuit. The integrated valve (300) is separately connected to the internal vehicle heat exchanger (120), the external vehicle heat exchanger (130), and the recuperator (400). The integrated valve (300) controls the flow directions of a refrigerant between the vehicle's internal heat exchanger (120), the vehicle's external heat exchanger (130) and the recuperator (400) in order to control the vehicle's internal heat exchanger (120) and the vehicle's external heat exchanger (130) separately to each serve as a condenser or an evaporator.

In this arrangement, the compressed air is heated by an external hot air stream via the recuperator.

To provide a recuperator having an improved heat exchange function between combustion exhaust gas and combustion air.SOLUTION: This recuperator 3 exchanges heat between combustion exhaust gas flowing in a radiant tube 1 and combustion air used for burning a burner used for the radiant tube 1, and a plurality of groove parts 7 extending in a zigzag shape in the longitudinal direction of the recuperator 3 are formed on an outer surface of the recuperator 3.SELECTED DRAWING: Figure 4

A Johnson Electric Heat Pipe direct heat to electricity converter includes a housing containing a wick, a vapor exchange recuperator, a two-phase working fluid, an ionizable non- condensable gas, preferably hydrogen or oxygen, and an electrochemical cell. The heat pipe is coupled to a heat source and a heat sink. The gas phase of the two-phase working fluid and the non-condensable gas exist at partial pressures within a constant pressure system. Heat from the source evaporates two-phase working fluid resulting in low partial pressure of non-condensable gas. Heat rejected to the heat sink condenses working fluid, resulting in high partial pressure non-condensable gas. The non-condensable gas partial pressure differential is applied across the electrochemical cell whereby non-condensable gas expands through the electrochemical cell and generates electrical energy. The vapor exchange recuperator recuperates a substantial portion of two-phase working fluid heat of condensation for use as two-phase working fluid heat of evaporation.

This utility model discloses an easy-to-clean anti-backflow heat exchanger slot aluminum, including a slot aluminum frame. Multiple sets of slot aluminum plates are arranged on the inner side of the frame. Mounting blocks are fixedly connected to both ends of each set of slot aluminum plates. One end of each mounting block is fixedly connected to the inner surface of the slot aluminum frame. A water distribution tank is fixedly installed on the upper surface of the slot aluminum frame, and a conduit is fixedly connected to the lower surface of the water distribution tank. A water inlet is fixedly installed on the upper surface of the slot aluminum frame. The lower end of the conduit passes through the slot aluminum frame and is fixedly connected to a rotary joint. A cleaning pipe is installed at the lower end of the rotary joint. A drive assembly is installed inside the upper end of the cleaning pipe, and multiple sets of cleaning nozzles are symmetrically installed on the side surface of the cleaning pipe. This invention solves the problem of the difficulty in cleaning traditional heat exchanger slot aluminum, avoids dead corners during cleaning, reduces the hassle and difficulty of cleaning the heat exchanger slot aluminum, and improves the cleaning effect.

The Company provides a heat recovery air handling unit. The system includes an inner module (2), an outer module (4), a central module (3) with a plate-type recuperator (5), fans (11, 26), an exhaust duct inlet chamber (6), an exhaust duct outlet chamber (7), an intake duct inlet chamber (8), an intake duct outlet chamber (9), and a partition (10) between the exhaust duct inlet and outlet chambers. A counterflow or crossflow type recuperator is used as the plate-type recuperator, and the fans generate airflows in opposite directions. One fan can be located in the intake duct inlet chamber and the other in the exhaust duct outlet chamber, or one fan can be located in the exhaust duct inlet chamber and the other in the intake duct outlet chamber, or one fan can be located in the exhaust duct inlet chamber and the other in the intake duct inlet chamber, or one fan can be located in the intake duct inlet chamber and the other in the intake duct inlet chamber, or one fan can be located in the intake duct outlet chamber and the other in the exhaust duct outlet chamber, ensuring high heat exchange efficiency and high air exchange performance. The unit also includes a condensation water removal system and can be installed and used in residential and special purpose facilities.

The present invention provides an energy recovery subsystem (10) for a cryogenic energy storage system (1), the subsystem comprising: an evaporator; a first heat exchanger (21) for transferring thermal energy from a heat conduction fluid (6) to a working fluid (5); one or more expansion stages (30) for extracting work from the working fluid (5); a recuperator (40) for transferring thermal energy from one working fluid (5) to another; and the working fluid The conduit (100) of the first configuration for passing through (5) and the conduit (200) of the second configuration which is connectable to the thermal energy storage device (TESD) (3) and connected to the first heat exchanger (21) for passing the heat conduction fluid (6) through the first heat exchanger (21), the conduit (100) of the first configuration sequentially connects the evaporator (14), the recuperator (40), the first heat exchanger (21), the second recuperator (40), and one or more expansion stages (30).

The invention relates to a two- or more-stage turbomachinery system for a motor vehicle, comprising compressors (C1, C2), turbines (T2, T1), and generators (G2, G1); two combustion chambers (CC1, CC2); a flow cooler (IC) connected to the first compressor (C1) and the second compressor (C2); and a recuperator-type heat exchanger (E1). The turbomachinery system further comprises: a means for controlling the airflow (Qair) entering the first compressor as a function of the rotational speed of the first electric generator (G2); and / or a means for controlling a first pressure (P2) downstream of the first compressor (C1) as a function of the rotational speed of the second electric generator (G1). The invention also relates to a vehicle, a method, and a program based on such a system. Figure 1

The utility model discloses an integrated fuel gas module furnace and a special heating device for a gas valve station recuperator, when the integrated fuel gas module furnace is used, a second pipeline of an intermediate heat exchanger and a recuperator pipeline of the recuperator form a second circulation loop, and a fluid pump drives water in the first circulation loop to flow; a combustor of the heating module heats a heating heat exchanger, hot water flowing to a first pipeline from a heating pipeline exchanges heat with a second pipeline at an intermediate heat exchanger, and then cold water flows back to the heating heat exchanger from the first pipeline; the second pipeline conveys hot water to the recuperator, and the recuperator returns low-temperature water to the second pipeline; due to the fact that the heating heat exchanger and the recuperator indirectly exchange heat through the intermediate heat exchanger, condensate water is mainly concentrated at the intermediate heat exchanger, the temperature of water flowing back to the heating heat exchanger is prevented from being too low, the condensate water generated at the heating heat exchanger is greatly reduced, and the service life of the heating module is prolonged.

The utility model relates to the technical field of liquefied natural gas gasification, and particularly discloses a high-pressure LNG air temperature type gasification system which comprises an LNG storage tank, a high-pressure low-temperature pump, a high-pressure air temperature type vaporizer, a high-pressure air temperature type heater, an internal combustion engine generator set, a high-pressure water bath type recuperator and a high-pressure water bath type heater, the high-pressure low-temperature pump is connected with an outlet of the LNG storage tank and is used for carrying out two-stage pressurization on LNG until the designed pressure is 6.3 MPa; the high-pressure air temperature type vaporizer is connected with an outlet of the high-pressure low-temperature pump and used for increasing the LNG temperature from-160 DEG C to-80 DEG C or above through air heat exchange, through the segmented design of the two-segment type high-pressure air temperature type vaporizer, the heat exchange area is reasonably shared, the load of a single-segment equipment structure is reduced by 30%, the air convection efficiency is improved, and the overall heat exchange efficiency is improved by 35% or above. And the dependence on external energy is obviously reduced.