37results about "Vacuum condensation" patented technology

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.

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.

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 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 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.

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.

The invention discloses an iodine recovery structure for an iodine working medium electric propulsion device, and relates to the technical field of iodine working medium electric propulsion devices, including a vacuum working chamber, a condenser and a vacuum pump connected in sequence, an iodine vapor release structure, an iodine condensation collection structure and a heating structure are provided in the vacuum working chamber, the iodine vapor release structure is located in the iodine condensation collection structure, and the heating structure is located between the vacuum working chamber and the iodine condensation collection structure. The present invention uses an iodine condensation collection structure to capture iodine vapor, and in the intermittent period after the iodine working medium test is completed, the iodine condensed on the iodine condensation collection structure is gasified and recovered by the heating structure, and iodine is compressed and condensed in advance before entering the vacuum pump by the condenser, thereby greatly improving the recovery efficiency of iodine and effectively protecting the vacuum pump system.

A lifting system for use with a direct air carbon capture unit, comprising: a plurality of track sections defining a segmented ring; an elevator supported by the segmented ring and translatable about the segmented ring; a frame attached to the direct air carbon capture unit of the plurality of track sections, where the lifting system is disposed within the direct air carbon capture unit and over a plurality of contactors, and the lifting system is translatable along the segmented ring to any one of the plurality of contactors, wherein the lifting system is operable when at least one of the plurality of contactors is in a desorption cycle and / or at least one of the plurality of contactors is in an adsorption cycle.

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.

Provided herein are systems and methods for generating water from ambient air, the systems and methods include a water selectivity unit configured to selectively separate water vapor from the ambient, a first and a second heat exchanger units, and a water precipitation unit, configured to precipitate liquid water from fluids circulated therein, thereby efficiently generating liquid water from the ambient air.

Provided herein are systems and methods for generating water from ambient air, the systems and methods include a water selectivity unit configured to selectively separate water vapor from the ambient, a first and a second heat exchanger units, and a water precipitation unit, configured to precipitate liquid water from fluids circulated therein, thereby efficiently generating liquid water from the ambient air.

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 and favorable for improving the steam condensation efficiency, and the distillation separation device is used for separating a target component from a material to be separated and 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 containing to-be-separated materials, and target components are evaporated in the evaporation cavity, enter the condensation cavity and are cooled to form a solid state; and the separation main body further comprises a condensation extension part which is arranged on the outer side of the condensation main body, and the condensation extension part is used for communicating fluid of the containing cavity and the condensation cavity, so that steam which is not completely condensed in the condensation cavity can enter the condensation extension part to be condensed. According to the distillation separation device provided by the embodiment of the invention, the steam flowing path can be enlarged, so that the steam condensation efficiency is improved, and the separation effect is improved.

A system and method for continuous production of Mg from metallothermic reduction of magnesium bearing ore from both the reactor side and condenser side of the system, using a separate collection vessel. The furnace is a heated tube through which a moving bed of tableted feed flows. The condenser is a common heat exchanger design (shell / tube, plate / plate, etc.) and uses a heat transfer liquid to cool and condense magnesium gas under vacuum or pressure conditions. The cooling medium can be molten salts or metals which are not in direct contact with the magnesium metal. Liquid magnesium flows from the condenser into a collection vessel for further processing. Continuous operation is achieved by supplying a constant feed of tablets into the furnace, producing a constant stream of Mg gas to the condenser. Magnesium liquid product is tapped periodically from the collection vessel.

The invention relates to the field of nuclide separation and purification, and particularly discloses an in-situ universe cause nuclide 14C separation and purification device which comprises a high-temperature melting unit, a gas path supply unit, a stepped purification unit and a quantitative collection unit, the high-temperature melting unit comprises a furnace body; the gas path supply unit comprises an O2 gas path, a He gas path, a multi-path control valve I and a mechanical pump; the O2 gas path and the He gas path are mutually connected with the multi-path control valve I after being mixed; the temperature of the furnace body is accurately controlled through the high-temperature melting unit, so that a quartz sample is uniformly melted, in-situ universe cause nuclides are effectively released, cross contamination is avoided by utilizing the design of the ceramic tube and the crucible, and the accuracy and the stability of nuclide release are ensured. The gas path supply unit provides mixed carrier gas with an accurate ratio, and is matched with a base gas treatment mechanism, so that pipeline residues are effectively removed, controllable dilution of trace target gas is realized, and a pure reaction environment is created for subsequent purification and collection.

The invention relates to a low-temperature evaporation plating solution recycling device, and relates to the technical field of plating solution recycling, the low-temperature evaporation plating solution recycling device comprises a control system, a stirring mechanism, a low-temperature condenser, a concentrated water barrel and a fresh water barrel, a plating solution enters the low-temperature condenser through a pipeline after being stirred by the stirring mechanism, concentrated water is discharged into the concentrated water barrel through a pipeline, and condensed water is discharged into the fresh water barrel through a pipeline; the stirring mechanism comprises a stirring barrel and a stirring assembly, the stirring assembly is used for stirring the plating solution in the stirring barrel, the control system comprises a collecting module, a judging module and a putting module, the collecting module is used for collecting the liquid state in the stirring barrel, the judging module is used for judging whether foam exists in the liquid state collected by the collecting module, and if foam exists, the putting module is started; the feeding module is used for feeding a defoaming agent into the stirring barrel; the system has the advantage that the water resource consumption can be reduced.