26results about "Vacuum condensation" patented technology

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 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.

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.

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 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 application provides a production system and method for improving the molecular weight of aromatic polycarbonate, and the production system comprises a stirring pre-polymerizer, a falling film polymerizer, a condensing system, a vacuum system, a heat medium system, an extrusion and pelletizing system; the method is characterized in that aromatic polycarbonate with a dynamic viscosity of 20-600 Pa.s flows on the heatable falling film support in the falling film polymerizer from the stirring pre-polymerizer, and the falling film flow is used to remove the volatile molecular chain growth polycondensation reaction, and the molten material with the improved molecular weight has a dynamic viscosity of 100-10000 Pa.s at 280 DEG C. The system and the production method can quickly remove the volatile by-products, the reaction temperature is accurately and uniformly controllable, the side reaction is less, and accordingly, high-quality polycarbonate with high molecular weight and low melt index can be obtained.

The invention relates to the technical field of tobacco processing equipment, and discloses a tobacco essence preparation, dispersion and homogenization device which comprises a stainless steel rack, a vacuum tank is mounted at the top of the stainless steel rack, a high-shear homogenization emulsifying machine is mounted at the bottom of the vacuum tank, a high-speed homogenization motor is mounted at the driving end of the high-shear homogenization emulsifying machine, and a high-speed homogenization motor is mounted at the driving end of the high-shear homogenization emulsifying machine. A stirring assembly is arranged at the top of the vacuum tank body, a multi-point temperature control assembly is arranged in the vacuum tank body, a vacuum condensation assembly is arranged at the top of the vacuum tank body, and a vacuum pressure sensor is mounted at the top of the vacuum tank body; a homogenizer outlet temperature sensor is mounted at an outlet of the high-shear homogenizing emulsifying machine. Through cooperative intelligent control of multiple sensors, the technical problems of over-boiling, thermosensitive component degradation and foam overflow easily occurring in the vacuum homogenizing process are solved, and the automation level and the stability of product quality are remarkably improved.

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 with good sealing performance suitable for a glove box, which comprises a shell, a material separation device and a material separation device, the target component is evaporated in the separation main body so as to be separated from the to-be-separated material and then condensed into a solid state; the cover part is matched with the separation main body to support the separation main body, and the cover part is used for sealing the bottom opening of the accommodating cavity; the lifting mechanism is used for driving the cover part and the separation main body to lift, so that the separation main body enters and exits the accommodating cavity through the bottom opening and the cover part seals or opens the bottom opening of the accommodating cavity; and the heat insulation assembly is arranged between the cover piece and the separation main body and is used for carrying out heat insulation between the separation main body and the cover piece. According to the distillation separation device provided by the embodiment of the invention, the influence on the sealing of the cover piece on the bottom opening of the accommodating cavity can be avoided, and the good sealing performance of the distillation separation device can be ensured.

The present invention relates to a method and apparatus for enlarging particles of an aerosol, and to the use of an agent for generating supersaturated vapor. In the method for enlarging particles (1) of an aerosol (2), the particles (1) are contacted with supersaturated vapor (3). The supersaturated vapor (3) is generated using a sulfoxide or sulfone, such as dimethyl sulfoxide or dimethyl sulfone. These substances are non-flammable, non-hazardous to health, and non-hazardous to the environment, making them easy to handle. They do not cause odor pollution or damage to the climate. The same particle counting efficiency is achieved as with butanol, which is traditionally used as an agent.