52results about "Vacuum condensation" patented technology

Disclosed in the present invention are an amine liquid purification and regeneration system and method. The system comprises a feeding pipeline for an amine liquid to be purified, a vacuum gas-stripping evaporation tank, a vacuum condenser, a vacuumizing unit and an amine liquid tank, wherein an inlet for an amine liquid to be purified, a recovered gas outlet and a discharge liquid outlet are provided on the vacuum gas-stripping evaporation tank; the feeding pipe for an amine liquid to be purified is connected to the inlet for an amine liquid to be purified; the recovered gas outlet is located at the top of the vacuum gas-stripping evaporation tank and is connected to the amine liquid tank, and the vacuum condenser is arranged on the connecting pipeline; the vacuumizing unit is in communication with the top of the vacuum condenser or the amine liquid tank; and an amine liquid stripping tower is also provided before the vacuum gas-stripping evaporation tank. The system has low waste liquid discharge, high amine recovery rate and thorough removal of heat-stable salts, and can ensure stable operation of a CO2 capture system.

An atmospheric water vapor extraction device includes a supply of hygroscopic solution contained within reservoir which includes an evaporation chamber, a condensation chamber, a water latent solution within conduit, a solution container, and water depleted solution within a conduit. The conduits extend into the container to a level below the solution level within the container to prevent passage of air into the conduits. The water extraction device further includes potable water collection conduit and potable water container. The water collection conduit connects the condensation chamber to water container. The conduit extend into container to a level below the level of water within the container to prevent passage of air into the conduit and thereby maintain a level of vacuum within chamber that is representative of the weight of the water column within conduit and the vapor pressure of the water at the top.

The invention discloses a method for separating and refining fusel oil in Fischer-Tropsch synthesis, which comprises the following steps: carrying out pressurized rectification treatment on fusel oil to remove acids, C4 + alcohol and part of n-butyl alcohol, carrying out dehydration treatment on tower top steam after removal through membrane separation, carrying out normal-pressure rectification treatment on a dehydrated intermediate product to remove light components, and carrying out vacuum distillation treatment on the dehydrated intermediate product to obtain the fusel oil. Carrying out reduced pressure rectification treatment on the tower bottoms after the light components are removed to remove propyl alcohol and butanol, carrying out tower top steam condensation on one part of the tower bottoms, returning the other part of the tower bottoms to the tower, extracting an ethanol finished product, carrying out normal pressure rectification treatment on the tower bottoms to remove isopropyl alcohol, carrying out normal pressure rectification treatment on the tower bottoms after removal for separation, and obtaining an n-propyl alcohol finished product at the tower top; and obtaining an n-butyl alcohol finished product from the tower kettle. Through cooperative coupling of multistage rectification and membrane separation, stage-by-stage efficient separation and resource utilization of components with different polarities and boiling points in fusel oil are realized, and three types of products of ethanol, normal propyl alcohol and normal butanol are synchronously produced.

The embodiment of the invention relates to the field of material separation by utilizing a distillation technology, in particular to a distillation separation device suitable for a hot chamber, and the distillation separation device is used for separating a target component from a to-be-separated material. The distillation furnace comprises a furnace body assembly and a distillation collection piece. The furnace body assembly comprises a furnace body used for conducting heating and heat preservation on the shell; the shell extends downwards in the furnace body to the position below the furnace body, and an opening is formed in the bottom of the shell. The distillation collection part is detachably connected with the shell so as to seal the opening of the shell, and the target component is separated from the to-be-separated material after being evaporated in the distillation collection part and is condensed into a solid state. The furnace body assembly further comprises a vacuumizing pipeline, the shell is provided with a vacuumizing connector, the vacuumizing connector is located in the furnace body, and the vacuumizing pipeline penetrates through the furnace body to be connected with the vacuumizing connector so as to vacuumize the interior of the shell. According to the distillation separation device provided by the embodiment of the invention, the furnace body can be hung on the supporting platform in the hot chamber and can be hung away from the supporting platform.

The invention relates to the field of vacuum technology and low-temperature engineering, and discloses a low-temperature cold trap device and a vacuum system.The low-temperature cold trap device comprises a shell provided with an extraction opening; the adapter piece is communicated with the shell and is provided with a channel which can be opened or closed; the condensation assembly is arranged in the shell; the cold source is arranged on the shell and exchanges heat with the condensation assembly; the driving mechanism is arranged on the shell and used for driving the condensation assembly to enter and exit from the shell along the channel. The driving mechanism drives the condensation assembly to enter and exit from the shell along the channel, the low-temperature cold trap device can be arranged in the air exhaust pipeline to achieve high cold trap working efficiency during working, the cold trap can be moved out of the air exhaust pipeline during regeneration, shutdown of the air exhaust pipeline is avoided, air exhaust work is not affected, and the service life of the low-temperature cold trap device is prolonged. Therefore, the air exhaust efficiency and the air exhaust performance of the air exhaust pipeline can be ensured.

The invention relates to a process for obtaining free fatty acid and / or free fatty acid ester, in which a liquid mixture containing the free fatty acid and / or the fatty acid ester is separated by contacting a vapour of the liquid mixture in a column of a distillation apparatus with condensate formed from the vapour running downward, wherein heat and mass transfer takes place between the vapour and the condensate on column internals. According to the invention, the column has at least 10 theoretical plates and the separation is conducted with a pressure drop between the top and bottom of the column Δp of ≥ 3.3 mbar. Appropriately, the liquid mixture, preferably produced from vegetable oil or from fish oil, contains polyunsaturated fatty acid, preferably omega-6 or omega-3 fatty acid and / or alkyl monoesters and / or glycerol monoesters. In one configuration of the invention, the column has at least 30, preferably at least 40, theoretical plates and the separation is conducted with a pressure drop Δp between 3.5 mbar and 6 mbar.

The invention relates to an MVR (mechanical vapor recompression) evaporation and concentration system for a methanol-containing material, which comprises a material tank for storing the material, a feeding pump for conveying the material, a material evaporation system for evaporating and concentrating the material, and a water heater for heating water to generate steam by taking secondary steam generated by the material evaporation system as a heat source, the steam compressor, the live steam source, the tail gas condenser and the vacuum pump are used for heating water, and the steam compressor, the live steam source, the tail gas condenser and the vacuum pump are used for pressurizing and heating steam produced by the water heater. Pure steam enters the steam compressor to be compressed into high-pressure and high-temperature compressed steam, methanol-containing materials are evaporated and concentrated through the compressed steam, live steam is only used as a supplementary heat source, the use amount of the live steam can be effectively reduced, the cost is saved, meanwhile, the methanol explosion risk is also reduced, and the energy consumption is reduced. Corrosion of methanol to a mechanical structure of the compressor is reduced, and normal and stable operation of a system is guaranteed.

The embodiment of the invention relates to the field of material separation by utilizing a distillation technology, in particular to a distillation separation device which is suitable for being used in a hot chamber and favorable for improving the sealing performance, and is used for separating a target component from a to-be-separated material. The furnace body assembly comprises a shell forming a cavity, an opening is formed in the bottom of the shell, and the shell comprises a shell connecting part located on the radial outer side of the opening; the distillation collection part is detachably connected with the shell, and the target component is separated from the to-be-separated material after being evaporated in the distillation collection part and is condensed into a solid state; the distillation collecting piece comprises a collecting connecting part which is used for being matched with the shell connecting part; the sealing piece is arranged between the collection connecting part and the shell connecting part and is used for sealing the opening of the shell; and the sealing cooling piece is used for cooling the sealing piece. According to the distillation separation device provided by the embodiment of the invention, the sealing element is cooled through the sealing cooling element, so that the temperature rise at the sealing element can be avoided, and the sealing performance of the sealing element can be improved.

A method and apparatus is disclosed relating to food processing and preparation in commercial kitchens. The inventive extreme vacuum cooling (EVC) technology and apparatus for food rapid cooling and food flavor infusion can work in ultra low pressure conditions with adaptive chamber pressure control to avoid liquid splash inside the food chamber. The disclosed EVC cooling and food flavor infusion apparatus has a one-unit design for handing small payloads, and a dual-module design to handle larger payloads. It can accelerate the food marinating and brining process with substantial time savings. Using the EVC apparatus, large amounts of meats, vegetables, and fruits can be prepared with various flavor infusion recipes. Plant-forward and high-volume food service kitchens can become more time and energy efficient, less labor intensive, and higher throughput food preparation operations.

A method, apparatus and system for extracting oil from an oily fruit paste by exposing the oily fruit paste to a vacuum.

The embodiment of the invention relates to the technical field of material separation by utilizing a distillation technology, in particular to a distillation separation device suitable for a glove box, which comprises a shell forming a containing cavity and a separation main body arranged in the containing cavity. The separation main body comprises an evaporation main body and a condensation main body, the condensation main body forms a condensation cavity, the evaporation main body forms an evaporation cavity, the evaporation cavity is used for accommodating a to-be-separated material, and a target component enters the condensation cavity without passing through the accommodating cavity after being evaporated in the evaporation cavity and is cooled to form a solid state; the shell is provided with a vacuumizing connector used for vacuumizing the containing cavity. The separation main body further comprises a vacuum communicating piece used for communicating the containing cavity with fluid of the condensation cavity so that the condensation cavity can be vacuumized through the vacuumizing connector. According to the distillation separation device provided by the embodiment of the invention, the boiling point of the target component in the evaporation cavity can be reduced, and the separation efficiency of the target component is improved; in addition, the steam condensation efficiency is improved, and the separation effect is improved.

Provided herein are systems, devices and methods for generating water from ambient air, by implementing a water vapor separation unit, including one or more selective membranes, configured to selectively separate / transfer water vapor form the ambient air, and a water precipitation unit, including a plurality of cooling elements, configured for precipitating the selectively separated water vapor from the ambient air.

A system and method that uses a high-temperature condenser to collect magnesium produced by thermal reduction, electrolysis, or distillation. The condenser is a common heat exchanger design (shell / tube, plate / plate, etc.) and uses a heat transfer fluid to cool and condense magnesium gas, e.g., to 200-900° C. under vacuum or pressure conditions. Solid or liquid magnesium is collected in the condenser along with any by-products or impurities at a purity greater than 35 wt-% Mg. Magnesium is subsequently liberated from the condenser by raising the temperature of the system, lowering the pressure, or both, to induce a phase change in the metal, such as melting or distillation, for further purification to, e.g., >90 wt-% Mg.

A system for capturing carbon dioxide from the atmosphere includes an absorption cycle, a desorption cycle, and a collection cycle, a plurality of lines arranged with a plurality of valves and a plurality of pumps to create a plurality of circulation circuits, a pressure vessel configured to receive a first flow, a second flow and discharge a combined third flow, a sorbent filter arranged to filter the first flow within the pressure vessel during the absorption cycle, a heat source configured to heat the second flow prior to entering the pressure vessel, a heat exchanger configured to cool the combined third flow after it is discharged by the pressure vessel, a containment vessel configured to receive and store a flow of carbon dioxide gas during the collection cycle, where the desorption cycle is performed at sub-atmospheric pressure.

The present invention discloses an amino acid mother liquor drying device, which includes a pretreatment mechanism; a drying mechanism; a preheating spray mechanism, wherein the preheating spray mechanism is fixedly sleeved on the surface of the drying mechanism, the liquid inlet end of the preheating spray mechanism is connected to the liquid outlet end of the pretreatment mechanism, and the liquid outlet end of the preheating spray mechanism is connected to the liquid inlet end of the drying mechanism; a discharging mechanism, wherein the discharging mechanism is fixedly connected to the discharging end at the bottom of the drying mechanism; and a vacuum condensing mechanism, wherein the air inlet end of the vacuum condensing mechanism is connected to the air outlet end of the drying mechanism. The technical problem to be solved by the present invention is that the existing amino acid mother liquor drying device has a low drying efficiency for the amino acid mother liquor during use, which increases the processing time and drying cost of the amino acid mother liquor, is inconvenient for quickly discharging the dried particulate matter, requires manual cleaning by staff, and reduces the automation rate of the amino acid mother liquor drying device.

The invention provides a vibration drying device, and relates to the technical field of material drying. The vibration drying device comprises a vibration drying mechanism, a heating piece and a condensation mechanism, the vibration drying mechanism comprises a drying kettle used for drying materials, and the drying kettle is communicated with a discharge port of upstream equipment; the heating piece is communicated with a jacket in the drying kettle; the condensation mechanism comprises a first condensation assembly, a second condensation assembly and a liquid storage tank, the first condensation assembly is communicated with the liquid storage tank and the barrel in the drying kettle, and the second condensation assembly is communicated with the liquid storage tank. According to the vibration drying device, the steam condensation effect can be improved through the matched condensation mechanism, and therefore the steam recovery rate is increased.

An extreme vacuum cooling (EVC) method and apparatus is disclosed for rapid cooling, food treatment, and flavor infusion in commercial kitchens and food processing plants. Operating under ultra-low pressure with adaptive chamber pressure control, the EVC apparatus eliminates liquid splash and optimizes marinating and brining, achieving substantial time and energy savings. Available in single-unit and dual-module designs, this technology and apparatus enables swift, flexible, safer, less labor-intensive, and high-throughput food preparation operations.

A system for condensing sub-atmospheric steam using water injection includes; a flow of sub-atmospheric steam configured to enter a plurality of cooling circuits, a flow of water configured to enter the plurality of cooling circuits, a heat exchanger configured to reduce a temperature of the flow of water, a plurality of water injectors configured to inject the flow of water into the plurality of cooling circuits, where an amount of the flow of water is injected into at least one of the plurality of cooling circuits by at least one of the plurality of water injectors to increase a pressure of the cooling circuit and condense an amount of steam.

A lift system for use with a direct air carbon capture unit includes, a plurality of track segments defining a segmented ring, a hoist supported by and translatable around the segmented ring, a frame of a direct air carbon capture unit attached to the plurality of track segments, where the lift system is arranged within the direct air carbon capture unit and above a plurality of contactors and the lift system can translate to any one of the plurality of contactors along the segmented ring, where the lift system can operate while at least one of the plurality of contactors is in the desorption cycle and or at least one of the plurality of contactors is in the absorption cycle.

A system for condensing sub-atmospheric steam using water injection includes a stream of sub-atmospheric steam configured to enter a plurality of cooling circuits, a stream of water configured to enter the plurality of cooling circuits, a heat exchanger configured to reduce a temperature of the stream of water, a plurality of water ejectors configured to eject a water flow into the plurality of cooling circuits, wherein an amount of water flow is ejected into at least one of the plurality of cooling circuits by at least one of the plurality of water ejectors to increase a pressure of the cooling circuits and condense an amount of steam.

Provided herein are systems, devices and methods for generating water from ambient air, by implementing a water vapor separation unit, including one or more selective membranes, configured to selectively separate / transfer water vapor form the ambient air, and a water precipitation unit, including a plurality of cooling elements, configured for precipitating the selectively separated water vapor from the ambient air.

A system for capturing carbon dioxide from the atmosphere includes an absorption cycle, a desorption cycle, and a collection cycle, a plurality of lines arranged with a plurality of valves and a plurality of pumps to create a plurality of circulation circuits, a pressure vessel configured to receive a first flow, a second flow and discharge a combined third flow, a sorbent filter arranged to filter the first flow within the pressure vessel during the absorption cycle, a heat source configured to heat the second flow prior to entering the pressure vessel, a heat exchanger configured to cool the combined third flow after it is discharged by the pressure vessel, a containment vessel configured to receive and store a flow of carbon dioxide gas during the collection cycle, where the desorption cycle is performed at sub-atmospheric pressure.

Provided is a method for preparing high-purity indium (In). The method for preparing the high-purity In includes: distilling refined In to obtain an In vapor-containing gas; and condensing the In vapor-containing gas to obtain the high-purity In; where the distilling is conducted at a temperature of 1,000° C. to 1,100° C. under a vacuum degree of 1.0×10−3 Pa to 5.0×10−2 Pa; and the condensing is conducted at a temperature of 700° C. to 900° C. under a vacuum degree of 1.0×10−3 Pa to 5.0×10−2 Pa. The In vapor-containing gas is obtained by controlling the temperature and vacuum degree of the distilling to evaporate In and impurities with a vapor pressure higher than the In. The temperature and vacuum degree of the condensing are adjusted to condense the In in the In vapor-containing gas.

A method, device and a system for extracting oil from a paste of oily fruit by exposing the oily fruit paste to vacuum.

A system for capturing carbon dioxide from the atmosphere includes an absorption cycle, a desorption cycle, and a collection cycle, a plurality of lines arranged with a plurality of valves and a plurality of pumps to create a plurality of circulation circuits, a pressure vessel configured to receive a first flow, a second flow and discharge a combined third flow, a sorbent filter arranged to filter the first flow within the pressure vessel during the absorption cycle, a heat source configured to heat the second flow prior to entering the pressure vessel, a heat exchanger configured to cool the combined third flow after it is discharged by the pressure vessel, a containment vessel configured to receive and store a flow of carbon dioxide gas during the collection cycle, where the desorption cycle is performed at sub-atmospheric pressure.

A system for capturing carbon dioxide from the atmosphere includes an absorption cycle, a desorption cycle, and a collection cycle, a plurality of lines arranged with a plurality of valves and a plurality of pumps to create a plurality of circulation circuits, a pressure vessel configured to receive a first flow, a second flow and discharge a combined third flow, a sorbent filter arranged to filter the first flow within the pressure vessel during the absorption cycle, a heat source configured to heat the second flow prior to entering the pressure vessel, a heat exchanger configured to cool the combined third flow after it is discharged by the pressure vessel, a containment vessel configured to receive and store a flow of carbon dioxide gas during the collection cycle, where the desorption cycle is performed at sub-atmospheric pressure.

A system for capturing carbon dioxide from atmosphere includes an absorption cycle, a desorption cycle, and a collection cycle, a plurality of lines provided with a plurality of valves and a plurality of pumps to create a plurality of circulation loops, a pressure vessel configured to receive a third stream of a first stream, a second stream, and a discharge combination, a sorbent filter arranged to filter the first stream within the pressure vessel during an absorption cycle, a heat source configured to heat the second stream before the second stream enters the pressure vessel, a heat exchanger configured to cool the combined third stream after the pressure vessel exits the combined third stream, a closed container configured to receive and store a stream of carbon dioxide gas during the collection cycle, wherein the desorption cycle is performed at a subatmospheric pressure.

An eFuels plant and process for producing synthetic hydrocarbons using renewable energy are disclosed. The eFuels plant comprises a hydrocarbon synthesis (HS) system and a renewable feed and carbon / energy recovery (RFCER) system. The RFCER comprises a heat integration system between an electrolysis unit and a thermal desalination unit. The thermal desalination unit is configured to receive seawater and a first amount of thermal energy and to produce a desalinated water stream and a brine effluent stream. The electrolysis unit is configured to receive a demineralized water stream and an amount of electrical energy to produce a hydrogen stream, an oxygen stream, and a second amount of thermal energy, wherein the second amount of thermal energy is absorbed by a second low temperature heat transfer fluid stream to produce a second high temperature heat transfer fluid stream. A fluidly segregated piping system containing a heat transfer fluid is configured to withdraw heat from the electrolysis unit and deliver heat to the thermal desalination unit. A control system manages flows of the heat transfer fluid between the electrolysis unit and the thermal desalination unit, the addition of heat to the flow to the thermal desalination unit, and / or the removal of heat from the flow to the electrolysis unit.

This invention relates to the fields of vacuum technology and cryogenic engineering, and discloses a cryogenic cold trap device and a vacuum system. The cryogenic cold trap device includes: a housing with an extraction port; an adapter connecting the housing and having an openable or closable channel; a condenser assembly housed within the housing; a cold source mounted on the housing and exchanging heat with the condenser assembly; and a drive mechanism mounted on the housing for driving the condenser assembly to move in and out of the housing along the channel. This invention, by driving the condenser assembly in and out of the housing along the channel using a drive mechanism, allows the cryogenic cold trap device to operate within an extraction pipe, achieving high cold trap efficiency. During cold trap regeneration, it can be removed from the extraction pipe, avoiding pipe shutdown and not affecting extraction operations, thereby ensuring the extraction efficiency and performance of the extraction pipe.

A system for condensing sub-atmospheric steam using water injection includes; a flow of sub-atmospheric steam configured to enter a plurality of cooling circuits, a flow of water configured to enter the plurality of cooling circuits, a heat exchanger configured to reduce a temperature of the flow of water, a plurality of water injectors configured to inject the flow of water into the plurality of cooling circuits, where an amount of the flow of water is injected into at least one of the plurality of cooling circuits by at least one of the plurality of water injectors to increase a pressure of the cooling circuit and condense an amount of steam.