45 results about "Pressure exchanger" patented technology

A pressure exchanger is configured to exchange pressure between a first fluid and a second fluid. A controller is configured to control, based on first sensor data from a first sensor associated with the first fluid and second sensor data from a second sensor associated with the second fluid, a first valve associated with the first fluid and a second valve associated with the second fluid to vary proportions of the first fluid and the second fluid entering the pressure exchanger to reduce mixing of the first fluid and the second fluid in the pressure exchanger.

A system includes a pressure exchanger configured to exchange pressure between a first fluid and a second fluid. The system further includes one or more first valves coupled to the pressure exchanger. The one or more first valves in an open position are associated with a flushing operation.

A vapour compression refrigeration system has a main refrigerant circuit having a main gas cooler or condenser arranged in a high pressure branch, a first main evaporator arranged in a first low pressure branch, a main compressor fluidically connecting the first low pressure branch to the high pressure branch, and an expansion device connecting the high pressure branch to an intermediate pressure branch. The system has a by-pass branch connecting the high-pressure branch to the intermediate pressure branch and provided with a by-pass valve, a secondary refrigerant circuit having a secondary gas cooler or condenser arranged in a secondary high pressure branch, a secondary evaporator arranged in a secondary low pressure branch, and a secondary expansion device connecting the secondary high pressure branch to the secondary low pressure branch. A rotary pressure exchanger is fluidically connected to the by-pass branch downstream of the by-pass valve and the secondary refrigerant circuit.

A rotary pressure exchanger includes a housing and a rotor. Channels are inside the rotor to transfer pressure from a first fluid to a second fluid. Each channel extends parallel to the axis of rotation, and the housing includes a first inlet port for supplying the first fluid to the channels, a first outlet port for discharging the first fluid from the channels, a second inlet port for suppling the second fluid to the channels, and a second outlet port for discharging the second fluid from the channels. The first and second inlet ports are radial inlet ports, such that the first fluid and the second fluid enter the rotor in a radial direction perpendicular to the axial direction, and the first outlet port and the second outlet port are radial outlet ports, such that the first fluid and the second fluid leave the rotor in the radial direction.

The application discloses a single-stage multi-section treatment system and method for seawater desalination and boron removal, relates to the technical field of seawater desalination and boron removal, and realizes the pretreatment and first desalination and boron removal of seawater raw water through a single-stage process, cooperates with a pressure exchanger to realize the efficient recovery of the energy of high-pressure concentrated water and the pressurization of low-pressure inlet water, reduces the operation load of a high-pressure pump of a first stage, and realizes the effective reduction of energy consumption; gradient reverse osmosis treatment is performed on single-stage produced water through a multi-section process, the step-by-step pressurization and pressure compensation of high-pressure pumps of all stages on concentrated water of previous sections are utilized, the residual pressure of concentrated water is fully utilized, the gradient reprocessing and deep boron removal of concentrated water are realized, and the overall recovery rate of seawater desalination is improved. In addition, a control unit dynamically determines the optimal operation section number of the multi-section process according to actual inlet water quality and produced water targets, accurately adjusts the pressure of high-pressure pumps of all stages and the start-stop state of membrane assemblies, makes system operation parameters highly adapt to actual working conditions, and avoids the problems of excessive treatment or insufficient treatment caused by fixed section number operation.

The invention relates to a control plate (18) configured to fit a hydraulic machine (e.g., an axial piston machine or a pressure exchanger) for hydraulic fluid, the control plate (18) comprising a body (21) having an arrangement of passage openings (22, 23) for the passage of the hydraulic fluid and a contact surface, the entire thickness of the body (21) is formed from a primary material, wherein the primary material is a first polymeric material. It is an object of the present invention to provide a control board (18) having a good lifetime. This object is solved by a control plate (18) wherein the main body (21) comprises at least one differential section made of a second polymeric material (31) wherein the second polymeric material (31) is different from the main material.

A pressure exchanger includes a rotor configured to exchange pressure between a first fluid and a second fluid. The pressure exchanger further includes a sleeve disposed around the rotor. The pressure exchanger further includes a first end cover disposed at a first distal end of the rotor. The pressure exchanger further includes a first seal ring disposed around the pressure exchanger. The first seal ring covers a first interface between the sleeve and first end cover to prevent leakage. The pressure exchanger further includes a first pin comprising a first pin first distal end that is at least partially disposed in a first seal ring recess formed in the first seal ring and a first pin second distal end disposed in a first recess formed in the first end cover or the sleeve.

A method is provided. The method comprises: identifying, by a processing device, first temperature data indicative of a temperature difference between a bulk fluid at a first inlet of a heat exchanger and the bulk fluid at a first outlet of the heat exchanger, fluidly coupled to the first inlet by one or more fluid channels of the heat exchanger, wherein the first outlet of the heat exchanger is fluidly coupled to a high-pressure inlet of a pressure exchanger (PX); determining, based on the first temperature data, a target adjustment of a first valve fluidly coupled to the first outlet of the heat exchanger and to a secondary fluid inlet of the heat exchanger; and causing, based on the target adjustment, actuation of the first valve.

A system includes a pressure exchanger (PX) configured to receive a first fluid at a first pressure, receive a second fluid at a second pressure, and exchange pressure between the first fluid and the second fluid. The first fluid is to exit the PX at a third pressure and the second fluid is to exit the PX at a fourth pressure. The system further includes a condenser configured to receive the first fluid from a compressor and provide corresponding thermal energy from the first fluid to a first environment. The system further includes a heat exchanger configured to receive the first fluid output from the condenser.

The fluid processing system includes a pressure exchanger (PX) configured to receive a first fluid at a first pressure and a second fluid at a second pressure and exchange pressure between the first fluid and the second fluid. The system further includes a condenser configured to provide corresponding thermal energy from the first fluid to a corresponding environment. The system further includes a receiver configured to receive the first fluid output by the PX. The receiver includes a chamber for separating the first fluid into a first gas and a first liquid. The system further includes a heat exchanger configured to receive the second fluid from a second outlet of the PX and provide the second fluid to a second inlet of the PX.

The present disclosure relates to a control plate (18) configured to equip a hydraulic machine (e.g. an axial piston machine or a pressure exchanger) for a hydraulic fluid, wherein the control plate (18) includes a body (21) having an arrangement of passage openings (22, 23) for the passage of the hydraulic fluid and a contact face, wherein a whole thickness of the body (21) is formed of a main material, wherein the main material is a first polymer material. The objective of the present disclosure is to provide a control plate (18) having a good lifetime. This objective is solved by a control plate (18), wherein the body (21) includes at least one distinct section which is made of a second polymer material (31), wherein the second polymer material (31) is different from the main material.

An electric pressure exchanger (300) includes a rotor (310) configured to exchange pressure between a first fluid and a second fluid. The motorized pressure exchanger (300) also includes a motorized end cap (330) forming a central bore. The electric pressure exchanger (300) also includes a shaft (320) including a first distal end coupled with the rotor (310). And the shaft penetrates through a central hole of the electric end cap. The motorized pressure exchanger (300) also includes a static seal (340) disposed against the motorized end cap (330) to prevent fluid from the central bore from exiting the motorized pressure exchanger (300) via the motorized end cap (330).

A pressure exchanger includes a rotor configured to exchange pressure between a first fluid and a second fluid. The pressure exchanger further includes a sleeve disposed around the rotor and a first end cover disposed at a first distal end of the rotor. The pressure exchanger further includes one or more first sealing components configured to prevent leakage between the sleeve and the first end cover.

The invention discloses a coal-fired power plant reverse osmosis concentrated water energy recovery and salt separation crystallization coupling treatment system and method, and the system comprises a regulating reservoir, an ozone contact reaction tank, a multi-medium filtering unit, a security filtering system, a reverse osmosis membrane group and a nanofiltration membrane group which are connected in sequence, an outlet of the nanofiltration salt separation unit is respectively connected with a monovalent salt water tank and a divalent salt water tank; the monovalent brine tank is connected to the MVR evaporative crystallization system; the divalent salt water tank is sequentially connected with the DTRO membrane group and the titanium freezing tank, and frozen crystals generated by the titanium freezing tank are fed into the fluidized bed dryer. The concentrated water is pretreated through ozone oxidation, multi-medium filtration and security filtration; then recovering the energy of the high-pressure concentrated water by utilizing a plunger type pressure exchanger and carrying out efficient concentration and desalination in cooperation with reverse osmosis; further, a nanofiltration membrane is used for precisely separating monovalent salt and divalent salt from the concentrated solution; and efficient reduction and salt recycling of the reverse osmosis concentrated water are realized.

A system includes a refrigeration system to exchange heat between a first cooling loop and a second cooling loop. The refrigeration system includes a pressure exchanger (310) that is to receive a first fluid at a first pressure and a second fluid at a second pressure and exchange pressure between the first fluid and the second fluid. The refrigeration system further includes a first heat exchanger (318) to exchange heat between the first cooling loop and a portion of the first fluid output from the pressure exchanger. The refrigeration system further includes a second heat exchanger (329) to exchange heat between a portion of the first fluid that is to enter the pressure exchanger and the second cooling loop.

The utility model relates to a pressure exchanger which comprises a sleeve piece, a rotor and an end cover assembly, and an installation inner cavity is formed in the sleeve piece. The rotor is rotatably connected in the mounting inner cavity, overflowing channels are formed in the rotor, and the overflowing channels are parallel to the axis of the rotor; the end cover assembly comprises a first end cover and a second end cover, and the first end cover and the second end cover are located at the two ends of the sleeve piece correspondingly. Wherein the rotor and / or the end cover assembly are / is provided with a contact concave part, a concave surface is formed in the contact concave part, and the concave surface is in a circular arc shape; by means of the design of the contact concave parts, the capacity of keeping a relatively small gap between the rotor and the corresponding end cover assembly and / or the sleeve part can be achieved, the stability of the rotor in the rotating process is improved, contact and abrasion between components are prevented, and contact is reduced or even stopped to the maximum extent.

A system includes a pressure exchanger (PX) configured to receive a first fluid at a first pressure, receive a second fluid at a second pressure, and exchange pressure between the first fluid and the second fluid. The first fluid is to exit the PX at a third pressure and the second fluid is to exit the PX at a fourth pressure. The system further includes a condenser configured to receive the first fluid from a compressor and provide corresponding thermal energy from the first fluid to a first environment. The system further includes a heat exchanger along a fluid flow path between the condenser and the inlet of the PX. The heat exchanger is configured to receive the first fluid output from the condenser and provide corresponding thermal energy from the first fluid to fluid input to the compressor.

The valve can include a self-cleaning feature that can be configured to at least partially displace material from a portion of the valve. Such a valve can be used in a pressure exchanger. The present application also provides a method of operating a valve.

An electrochemical cell includes a working fluid and a membrane electrode assembly having first and second electrodes and a proton-exchange membrane. A first chamber in fluid communication with the first electrode contains the working fluid at a first pressure. A second chamber in fluid communication with the second electrode contains the working fluid at a greater second pressure. A first conduit is in fluid communication with the first chamber. A second conduit is in fluid communication with the second chamber. A first container contains an exchange fluid at a third pressure. A second container contains the exchange fluid at a greater fourth pressure. A third conduit is in fluid communication with the first container. A fourth conduit is in fluid communication with the second container. A pressure exchanger in fluid communication with the conduits is configured to transfer pressure from the exchange fluid to the working fluid.

A system (100) includes a pressure exchanger (300) and one or more valves (390). The pressure exchanger includes a rotor (310) configured to exchange pressure between a first fluid and a second fluid. The pressure exchanger further includes a housing (340) disposed about the rotor, one or more flush inlets (342) coupled to the housing, and one or more flush outlets (346) coupled to the housing. One or more first valves are coupled to the one or more flush outlets. The one or more first valves in an open position are associated with a flushing operation. The one or more first valves in a closed position are associated with a lubrication operation.

The system includes a pressure exchanger (PX) configured to receive a first fluid, receive a second fluid, and exchange pressure between the first and second fluids. The system further includes a first gas cooler configured to supply working fluid to a first inlet and a second inlet of a heat exchanger. The heat exchanger is configured to exchange heat between the fluid supplied through the first inlet and the fluid supplied through the second inlet. The first outlet of the heat exchanger supplies the first fluid to the PX. The second outlet of the heat exchanger supplies the second fluid to the PX. The system further includes a receiver configured to receive the first and second fluids from the PX. The system further includes a first compressor configured to supply working fluid to the first gas cooler.

A system includes a pressure exchanger (PX) configured to receive a first fluid, receive a second fluid, and exchange pressure between the first fluid and the second fluid. The system also includes a heat exchanger configured to receive the second fluid from the pressure exchanger via the first inlet, receive the third fluid via the second inlet, and exchange heat between the second fluid and the third fluid. The system also includes a first compressor configured to receive a third fluid from the first heat exchanger.

The pressure exchanger includes a rotor configured to receive a first fluid, receive a second fluid, and exchange pressure between the first fluid and the second fluid, a sleeve disposed around the rotor such that the first fluid enters the rotor radially through the sleeve, and a post disposed inside the rotor.

A system includes a power generation sub-system configured to generate electrical energy, an electrolyzer configured to produce gaseous hydrogen responsive to receiving the electrical energy, and a heat pump sub-system configured to heat a process fluid. The power generation sub-system includes a first pressure exchanger (PX), a first heat exchanger, a turbine, and a generator. The heat pump sub-system includes a second heat exchanger, a third heat exchanger, and a second PX.

The refrigeration system includes a rotary pressure exchanger fluidly coupled to the low-pressure loop and the high-pressure loop, the rotary pressure exchanger replacing a conventional bulk flow compressor. The rotary pressure exchanger is configured to receive a high-pressure refrigerant from the high-pressure loop and a low-pressure refrigerant from the low-pressure loop and to exchange pressure between the high-pressure refrigerant and the low-pressure refrigerant, wherein a first exit stream from the rotary pressure exchanger includes the high-pressure refrigerant in a supercritical or subcritical state, and a second exit stream from the rotary pressure exchanger includes the low-pressure refrigerant in a liquid state or in the form of a two-phase mixture of liquid and vapor.

A system includes a pressure exchanger (PX) configured to receive a first fluid via a first inlet and a second fluid via a second inlet. The PX is to exchange pressure between the first fluid and the second fluid and provide the first fluid at a first outlet and the second fluid at a second outlet. The system further includes a heat exchanger to exchange corresponding thermal energy between the first fluid and the second fluid. The system further includes a turbine configured to receive the second fluid output from the first heat exchanger and convert corresponding energy of the second fluid into rotational kinetic energy.