16 results about "Vapor absorption" patented technology

The present invention discloses a system and process for eliminating methane pollution in the exhaust gas of LNG-powered ships based on catalyst atomization. The system includes a chimney, a water vapor absorption module, a methane reactor, a ball mill module, a catalyst atomization module, and an air supply module. The methane reactor includes a reaction chamber and a heating chamber. The inlet and outlet of the catalyst atomization module are connected to the ball mill module and the reaction chamber via pipelines, respectively, for uniformly atomizing the methane combustion catalyst crushed by the ball mill module into a mist state. The inlet and outlet of the water vapor absorption module are connected to the top of the chimney and the reaction chamber of the methane reactor via pipelines, respectively. The air supply module is connected to the reaction chamber via pipelines for providing balancing gas and combustion-supporting gas to the reaction chamber. The inlet and outlet of the methane reactor's heating chamber are connected to the middle and bottom of the chimney via a heating pipe and a return air pipe, respectively. Through catalyst atomization and chimney heat recycling, methane pollution in the exhaust gas of LNG ships can be eliminated at low cost and with low energy consumption.

To provide an alternative that can offer a more comfortable smoking and / or vaping experience. [Solution] An aerosol generating substrate for vapor inhalation, comprising a semi-solid substrate, is provided, wherein up to about 1.0% of the total weight percentage of the aerosol generating substrate is composed of one or more carboxylic acids dissolved in an alcohol solution. The invention also relates to a method for manufacturing the aerosol generating substrate and its use in an aerosol generating substrate for vapor inhalation.

The invention discloses a system and a process for eliminating methane pollution in tail gas of an LNG (Liquefied Natural Gas) power ship based on catalyst atomization, the system comprises a chimney, a water vapor absorption module, a methane reactor, a ball milling module, a catalyst atomization module and a gas supply module, and the methane reactor comprises a reaction inner cavity and a heating outer cavity; an inlet and an outlet of the catalyst atomization module are respectively communicated with the ball milling module and the reaction inner cavity through pipelines, and the catalyst atomization module is used for uniformly atomizing the methane combustion catalyst crushed by the ball milling module into a fog state; an inlet and an outlet of the water vapor absorption module are respectively communicated with the top of the chimney and a reaction inner cavity of the methane reactor through pipelines; the gas supply module is communicated with the reaction inner cavity through a pipeline and is used for providing balance gas and combustion-supporting gas for the reaction inner cavity; and an inlet and an outlet of the heating outer cavity of the methane reactor are respectively communicated with the middle bottom of the chimney through a heat supply pipeline and a gas return pipeline. Through catalyst atomization and chimney heat recycling, low-cost and low-energy-consumption elimination of LNG ship tail gas methane pollution is achieved.

There is disclosed a vapor absorbing device for capturing moisture released by fresh food stored in an unvented and closed container. The device may comprise a vapor-permeable carrier fabric having a food side for facing the fresh food and a container side opposite the food side. An absorbent matrix having a matrix thickness may layer across the container side of the carrier. The matrix may comprise a fibrous substrate and a food-safe hydrogel infusing the substrate. The hydrogel may include a water soluble polymer. The device may be configured to dispose a container side of the matrix against an interior surface of the food container. And, the matrix may be configured to capture the moisture at a predetermined vapor absorption rate.

A waste heat-driven water purification system for purifying impurity-infused water includes: an energy generation (EG) unit configured to generate energy by combustion of a fuel and oxidant and having an EG heat transfer fluid conveying a stream of a waste heat; a vapor absorption chiller (VAC) unit being driven by the stream of waste heat to produce cold water in a closed loop; and a water purification unit. The water purification unit includes: a gas hydrate-former vessel configured to form gas hydrates from the impurity-infused water and a hydrate-forming gas by cooling the impurity-infused water and the hydrate-forming gas using the cold water in the closed loop; and a gas hydrate-dissociator vessel to receive the gas hydrates and to dissociate the gas hydrates into purified water and the hydrate-forming gas by heating the gas hydrates using heat from the stream of waste heat.

The utility model provides a kind of boiling nitric acid three-phase corrosion weight loss experimental device under high-temperature pressure reduction environment, including pressure reduction boiling corrosion reaction system, heating system, nitric acid vapor absorption drying system, gas pressure regulating system and central control system;Pressure reduction boiling corrosion reaction system is arranged in heating system;Nitric acid vapor absorption drying system is connected with the pipeline of pressure reduction boiling corrosion reaction system;Gas pressure regulating system is connected with the pipeline of nitric acid vapor absorption drying system;Central control system is electrically connected with heating system and gas pressure regulating system.The utility model can realize high-fidelity simulation and reduction of high-temperature pressure reduction environment in boiling nitric acid corrosion weight loss experiment, solve the problem of simultaneous generation of nitric acid condensation phase and nitric acid vapor, the sealing problem in experimental process, gas pressure precision control problem, nitric acid tail gas emission treatment problem, realize material sample service environment accurate simulation, provide technical support for studying the boiling nitric acid corrosion corrosion resistance and service life of material sample under high-temperature pressure reduction environment.

A vapor-absorption refrigeration (VAR) system. The VAR system includes a VAR section having a condenser, an absorber, an evaporator, a first desorber, a second desorber, a first heat exchanger, a second heat exchanger, at least four throttling valves, and at least two pumps. The VAR section heats a saline water feed stream using heat released from the absorber and the condenser, producing cooling effect. The VAR system includes a direct contact membrane distillation-absorber (DCMD-Abs) section receiving the hot saline water feed stream. The DCMD-Abs section comprises DCMD-Abs modules linked in series. Each DCMD-Abs module includes a saltwater feed compartment and a water compartment, and a membrane. Due to temperature difference between the saline water feed stream and cooling water stream, water vapors are produced by evaporation in the saltwater feed compartment and passes through the membrane to the water compartment to be condensed therein.

A vapor-absorption refrigeration (VAR) system. The VAR system includes a VAR section having a condenser, an absorber, an evaporator, a first desorber, a second desorber, a first heat exchanger, a second heat exchanger, at least four throttling valves, and at least two pumps. The VAR section heats a saline water feed stream using heat released from the absorber and the condenser, producing cooling effect. The VAR system includes a direct contact membrane distillation-absorber (DCMD-Abs) section receiving the hot saline water feed stream. The DCMD-Abs section comprises DCMD-Abs modules linked in series. Each DCMD-Abs module includes a saltwater feed compartment and a water compartment, and a membrane. Due to temperature difference between the saline water feed stream and cooling water stream, water vapors are produced by evaporation in the saltwater feed compartment and passes through the membrane to the water compartment to be condensed therein.

A vapor-absorption refrigeration (VAR) system. The VAR system includes a VAR section having a condenser, an absorber, an evaporator, a first desorber, a second desorber, a first heat exchanger, a second heat exchanger, at least four throttling valves, and at least two pumps. The VAR section heats a saline water feed stream using heat released from the absorber and the condenser, producing cooling effect. The VAR system includes a direct contact membrane distillation-absorber (DCMD-Abs) section receiving the hot saline water feed stream. The DCMD-Abs section comprises DCMD-Abs modules linked in series. Each DCMD-Abs module includes a saltwater feed compartment and a water compartment, and a membrane. Due to temperature difference between the saline water feed stream and cooling water stream, water vapors are produced by evaporation in the saltwater feed compartment and passes through the membrane to the water compartment to be condensed therein.

A system and method of generating electrical energy using a fuel cell while decarbonizing an exhaust gas generated by the fuel cell is disclosed. Heat generated by an electrochemical reaction within the fuel cell can be recovered at both an anode side and a cathode side of the fuel cell, and at least some of the recovered heat can be used to preheat each of a fuel feed and an oxidant supplied to the fuel cell. A carbon capture system may be included and used to capture and liquefy carbon dioxide present in an anodic exhaust gas emitted by the fuel cell. At least a liquefaction subsystem of the carbon capture system may receive a cooled refrigerant from a vapor absorption and refrigeration device that cools the refrigerant using heat extracted from heat transfer fluid heated by recovered heat from the anodic exhaust gas and a cathodic exhaust gas.

A vapor-absorption refrigeration (VAR) system. The VAR system includes a VAR section having a condenser, an absorber, an evaporator, a first desorber, a second desorber, a first heat exchanger, a second heat exchanger, at least four throttling valves, and at least two pumps. The VAR section heats a saline water feed stream using heat released from the absorber and the condenser, producing cooling effect. The VAR system includes a direct contact membrane distillation-absorber (DCMD-Abs) section receiving the hot saline water feed stream. The DCMD-Abs section comprises DCMD-Abs modules linked in series. Each DCMD-Abs module includes a saltwater feed compartment and a water compartment, and a membrane. Due to temperature difference between the saline water feed stream and cooling water stream, water vapors are produced by evaporation in the saltwater feed compartment and passes through the membrane to the water compartment to be condensed therein.

A vapor-absorption refrigeration (VAR) system. The VAR system includes a VAR section having a condenser, an absorber, an evaporator, a first desorber, a second desorber, a first heat exchanger, a second heat exchanger, at least four throttling valves, and at least two pumps. The VAR section heats a saline water feed stream using heat released from the absorber and the condenser, producing cooling effect. The VAR system includes a direct contact membrane distillation-absorber (DCMD-Abs) section receiving the hot saline water feed stream. The DCMD-Abs section comprises DCMD-Abs modules linked in series. Each DCMD-Abs module includes a saltwater feed compartment and a water compartment, and a membrane. Due to temperature difference between the saline water feed stream and cooling water stream, water vapors are produced by evaporation in the saltwater feed compartment and passes through the membrane to the water compartment to be condensed therein.

A waste heat-driven water purification system for purifying impurity-infused water includes: an energy generation (EG) unit configured to generate energy by combustion of a fuel and oxidant and having an EG heat transfer fluid conveying a stream of a waste heat; a vapor absorption chiller (VAC) unit being driven by the stream of waste heat to produce cold water in a closed loop; and a water purification unit. The water purification unit includes: a gas hydrate-former vessel configured to form gas hydrates from the impurity-infused water and a hydrate-forming gas by cooling the impurity-infused water and the hydrate-forming gas using the cold water in the closed loop; and a gas hydrate-dissociator vessel to receive the gas hydrates and to dissociate the gas hydrates into purified water and the hydrate-forming gas by heating the gas hydrates using heat from the stream of waste heat.

A vapor-absorption refrigeration (VAR) system. The VAR system includes a VAR section having a condenser, an absorber, an evaporator, a first desorber, a second desorber, a first heat exchanger, a second heat exchanger, at least four throttling valves, and at least two pumps. The VAR section heats a saline water feed stream using heat released from the absorber and the condenser, producing cooling effect. The VAR system includes a direct contact membrane distillation-absorber (DCMD-Abs) section receiving the hot saline water feed stream. The DCMD-Abs section comprises DCMD-Abs modules linked in series. Each DCMD-Abs module includes a saltwater feed compartment and a water compartment, and a membrane. Due to temperature difference between the saline water feed stream and cooling water stream, water vapors are produced by evaporation in the saltwater feed compartment and passes through the membrane to the water compartment to be condensed therein.

The invention discloses a gap steam absorption device of a crystallizer cover plate, and belongs to the technical field of crystallizers, the gap steam absorption device comprises a gas collecting hood arranged above the crystallizer cover plate in a covering mode and a flow guide assembly communicated with the gas collecting hood, the gas collecting hood covers a gap between the crystallizer cover plate and adjacent equipment, and the flow guide assembly is communicated with the gas collecting hood. The flow guide assembly is provided with a negative pressure connector, a regulating valve and a negative pressure air draft system in a communicating mode. The device is simple in structure and convenient to disassemble and assemble, steam at a gap between a crystallizer cover plate and adjacent equipment is actively extracted by connecting an external negative pressure air draft system, and the problems that a traditional passive sealing mode is prone to aging and failure and poor in sealing effect are fundamentally solved by adopting an active absorption mode; the steam collecting and sealing effects are far better than those of a traditional sealing method, and steam can be stably prevented from overflowing for a long time.

The invention discloses a boiling nitric acid three-phase corrosion weightlessness experiment device and method in a high-temperature reduced-pressure environment. The device comprises a reduced-pressure boiling corrosion reaction system, a heating system, a nitric acid steam absorbing and drying system, an air pressure adjusting system and a central control system, the decompression boiling corrosion reaction system is arranged in the heating system; the nitric acid steam absorbing and drying system is connected with the decompression boiling corrosion reaction system through a pipeline; the air pressure adjusting system is in pipeline connection with the nitric acid steam absorbing and drying system; the central control system is electrically connected with the heating system and the air pressure adjusting system. The device can realize high-fidelity simulation and reduction of a high-temperature reduced-pressure environment in a boiling nitric acid corrosion weightlessness experiment, solves the problems of synchronous generation of a nitric acid condensation phase and nitric acid steam, sealing in an experiment process, precise air pressure control and nitric acid tail gas emission treatment, realizes precise simulation of a service environment of a material sample, and improves the test efficiency. And a technical support is provided for researching the boiling nitric acid corrosion resistance and the service life of the material sample in a high-temperature decompression environment.