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55results about "Reflux condensation" patented technology

Glycerin distillation device with heat energy recycling function

The invention relates to the technical field of glycerin distillation, in particular to a glycerin distillation device with a heat energy recycling function. The device comprises a distillation tower, a condenser, a reflux tank and a compression mechanism connected with the reflux tank, wherein one side of the distillation tower is communicated with a feed pipe, and the top of the distillation tower is communicated with a steam discharge pipe connected with the condenser; one side of the distillation tower is communicated with a reboiler; the condenser has a normal refrigeration temperature and an energy-saving refrigeration temperature, and in the glycerin distillation device with the heat energy recycling function, a part of liquid phase is guided into the distillation tower and then is matched with a gas phase which is not condensed by the condensation tank, so that the gas phase which is not condensed by the condensation tank is pressurized and then is condensed by the condensation tank; according to the utility model, the gas phase inside the distillation tower is guided to the liquid phase, and the liquid phase is scattered by utilizing the blade fan, so that the gas phase is in uniform contact with the liquid phase, and therefore, the gas phase is guided into the distillation tower, the efficient separation of glycerol is also realized, and the product quality is improved.
Owner:NANTONG SAFE MACHINERY EQUIP

Reactive distillation system and method for production of hydrogen from hydriodic acid

PCT designated stage expiredWO2025024440A1Gas treatmentSulfur-dioxide/sulfurous-acidReactive distillationHydroiodic acid
A reactive distillation system for decomposition of hydriodic acid into hydrogen gas and iodine, with optional secondary purification unit(s) is described. Methods for using the reactive distillation system with optional secondary purification unit(s) for the decomposition of hydriodic acid into hydrogen gas and iodine is also described. When the purification unit is present, the system and methods of the disclosure can be used for the production and purification of hydrogen from hydriodic acid.
Owner:THIOZEN INC

Energy-saving type self-gravity condensation reflux efficient rectification system and control method

The invention relates to the technical field of gas-liquid separation and purification, in particular to an energy-saving type self-gravity condensation reflux efficient rectification system and a control method. Comprising a buffer tank, a feeding pump, a feeding and discharging thermal coupling heat exchanger, an efficient rectifying tower, a self-gravity reflux condenser, a tower bottom reboiler and a tower bottom extraction pump, the self-gravity reflux condenser is arranged at the top of the high-efficiency rectifying tower, the feeding and discharging thermal coupling heat exchanger is connected between the buffer tank and a feeding hole of the high-efficiency rectifying tower, a tower bottom outlet of the high-efficiency rectifying tower is connected with the tower bottom reboiler and an inlet of the tower bottom extraction pump, and an outlet of the tower bottom reboiler is connected with a circulating feeding hole of the high-efficiency rectifying tower; the self-gravity reflux condenser is used for condensing the tower top gas phase part into liquid, and the liquid flows back to the efficient rectifying tower through gravity; the feeding and discharging thermal coupling heat exchanger is used for exchanging heat between the raw material output by the buffer tank and a tower bottom product of the efficient rectifying tower; and the tower bottom extraction pump is used for outputting tower bottom products. Resource waste is avoided, and equipment investment and occupied area are reduced.
Owner:WUHAN TIANYUAN ENG CO LTD +1

A distillation and condensation apparatus for the production of pyridine chloride

This invention belongs to the technical field of pyridine chloride production equipment, specifically a distillation and condensation device for pyridine chloride production. The device includes a condenser, which comprises an outer tank with an inlet pipe, an outlet pipe, a water inlet pipe, and a water outlet pipe externally. A guide pipe is fixedly connected to the bottom of the outer tank. Several condensing tubes are evenly and fixedly connected inside the outer tank, and are spirally twisted. By controlling the outlet pipe with a pusher plate, the condensation chambers on both sides of the pusher plate alternately discharge and introduce distillation steam. Distillation steam is introduced when the condensation chamber is expanded and discharged when it is contracted. This alternating introduction and discharge of distillation steam prolongs the residence time of the distillation steam inside the condensation chamber, improves the contact effect between the distillation steam and the condensing tubes, thereby improving the condensation effect of the distillation steam, avoiding waste of the product pyridine chloride, and increasing the yield of the product pyridine chloride.
Owner:WEIFANG NEW GREENING CO LTD

A distillation column for chemical production

The present invention provides a distillation column for chemical production, which relates to the technical field of distillation columns and includes: a distillation column housing, a feed pipe, a condenser and a reboiler; a plurality of liquid storage mechanisms for heat exchange between vapor and condensate are arranged on the inner side surface of the distillation column housing along the vertical direction; the liquid storage mechanism includes a support plate and a connection housing fixedly connected to the inner side surface of the distillation column housing from bottom to top, a bearing plate for receiving condensate is slidably connected in the connection housing, an adjusting spring is connected between the bearing plate and the connection housing, an upper baffle plate is fixedly arranged above the bearing plate, and the condensate can pass through between the connection housing and the upper baffle plate; the support plate is fixedly communicated with an air delivery pipe for the vapor to pass through, an air delivery housing is fixedly communicated with the outside of the air delivery pipe, the air delivery housing can push the bearing plate downward to compress the adjusting spring, and air outlet holes are formed at the lower end of the air delivery housing. The present invention has the effect of improving the rate of condensate discharging from the distillation column housing.
Owner:SHANDONG BAITUO CHEMICAL ENGINEERING CO LTD +1

Glycerol distillation device with heat energy recycling

The present application relates to the technical field of glycerol distillation, in particular to a glycerol distillation device with heat energy recycling. It comprises a distillation column, a condenser, a reflux tank and a compression mechanism connected with the reflux tank, wherein: one side of the distillation column is connected with a feeding pipe, the top is connected with a steam exhaust pipe connected with the condenser; and one side of the distillation column is connected with a reboiler; the condenser has a normal refrigeration temperature and an energy-saving refrigeration temperature. In the glycerol distillation device with heat energy recycling, a part of liquid phase is guided into the distillation column, then cooperates with the gas phase that is not condensed by the condenser, the gas phase that is not condensed by the condenser is pressurized, then the gas phase in the distillation column is guided to the liquid phase, the liquid phase is scattered by the fan, the gas phase and the liquid phase are uniformly contacted, so that the gas phase is guided into the distillation column, the efficient separation of glycerol is realized, and the product quality is improved.
Owner:NANTONG SAFE MACHINERY EQUIP

Process and apparatus for treating tall oil

The present invention relates to a process for treating a feedstock (101) comprising tall oil, the process comprising separation of a light stream (129) from the feedstock (101), followed by removal of a heavy fraction (108) from the feedstock (101), in which process the separation of the light stream (129) from the feedstock (101) a fractionator (105) is used and at least one product is collected from the light stream (129). The invention also relates to an apparatus for use in the process and use of a fractionator (105) in dehydration of a feedstock (101) comprising tall oil.
Owner:NESTE OYJ

Gas condensation device with backflow separator

Gas condensation device (200) comprising: a housing (202); a condenser (210) mounted in an upper portion of the housing (202) and configured to condense regeneration gas, thereby forming condensate; and a return flow device (220) mounted in the housing (202) below the condenser (210) and configured to temporarily store the condensate and release evaporative gas evaporated from the condensate back into the condenser (210), wherein the gas condensation device (200) separates target gas from the condensate, wherein the return flow device (220) comprises: a condensate chamber (250) formed on the lower portion of the housing (202) and configured to temporarily store the condensate; and a backflow separator (230) arranged in the housing (202) between the condenser (210) and the condensate chamber (250), wherein the backflow separator (230) is designed to supply the condensate leaving the condenser (210) to the condensate chamber (250) and to release the evaporation gas evaporated from the condensate to an exterior space of the condensate chamber (250), wherein the backflow separator (230) is configured to separate an outlet through which the evaporation gas is discharged from the condensate chamber (250) from an inlet through which the condensate leaving the condenser (210) enters the condensate chamber (250), wherein the backflow separator (230) comprises: a mounting plate (232) mounted transversely across the housing (202) between the condenser (210) and the condensate chamber (250) and having at least one gas flow opening (236) formed thereon; a body (234) having a hollow column shape mounted on an upper surface of the mounting plate (232) and having an upper end blocked by a roof (240); at least one gas bypass port (238) formed on a side surface of the body (234) and enabling fluid communication between an interior of the body (234) and an exterior of the body (234); and a liquid supply tube (242) extending from the mounting plate (232) into the condensate chamber (250) and configured to supply the condensate to the condensate chamber (250), and wherein the at least one gas flow opening (236) enables fluid communication between an interior space of the housing (202) below the mounting plate (232) and the interior space of the body (234).
Owner:HYUNDAI MOTOR CO LTD +1

Energy-saving process system and method for separating refined phenol from tar crude phenol

The invention relates to an energy-saving process system and method for separating refined phenol from tar crude phenol, and belongs to the field of tar crude phenol refining. The system comprises a separation process system and an energy-saving thermal circulation loop system, the separation process system comprises a first tower, a second tower, a third tower, a fourth tower, a fifth tower and matched cold exchange equipment, and the energy-saving thermal circulation loop system comprises a compressor, a throttle valve, a buffer tank and matched cold exchange equipment. The method comprises the following steps: removing water and light components, removing slag phenol, refining phenol, o-cresol, m-cresol and p-cresol, separating areas in the tower to improve the product purity, and converting low-grade waste heat into a high-grade heat source by using a compressor to replace traditional heating media and refrigerants, so that the aim of saving energy is fulfilled. According to the process system and the method, the tar crude phenol is separated and refined into high-purity phenol, o-cresol and m-cresol and p-cresol products, meanwhile, the purposes of saving energy and reducing consumption are achieved, and the process system and the method have important significance.
Owner:HANGZHOU RUIHUI TECHNOLOGY CO LTD +1

Post-treatment device for DMT purification

The post-treatment device comprises a DMT filter, and the filter comprises a filter shell, a filter element arranged in the middle of the shell, an annular stirring device, a constant-temperature condensation reflux device and an internal and external cooperative temperature control system; wherein the filter element is centrally fixed, and multiple groups of arc-shaped stirring blades are arranged in a gap between the inner wall of the shell and the filter element to avoid interference with the position of the filter element; a constant-temperature condensation reflux device is integrated at the top, specific-temperature biphenyl steam is introduced into a condensation cavity jacket, constant-temperature cooling water is introduced into a coiled pipe, a reflux branch pipe is subjected to heat tracing to reach the DMT liquid stable temperature, and a gravity straight pipe is used for guiding flow at the tail end; a heating rod is embedded in the center of the filter element, a heating outer jacket controls the temperature in three sections, and multiple groups of sensors adjust the temperature in a closed-loop mode in real time.
Owner:FUJIAN SAILON TECH CO LTD

Multi-component mixture separation system

The present invention provides a multi-component mixture separation system, which includes: a distillation column including a first part and a second part separated by a dividing wall; and a phase separator that receives the lower discharge stream of the second part, separates the stream into an aqueous phase and an oil phase, and returns a part of the separated aqueous phase or oil phase to the first part. Wherein, the first part includes a gas-lifting tray arranged at the upper part, and a feed stream containing more than three components is fed to the first part to separate high-boiling components to the lower part and allow gaseous components to move to the second part.
Owner:LG CHEM LTD

Online continuous recovery device and method for high-boiling-point solvent

The invention belongs to the technical field of organic chemical engineering, and particularly relates to a device and a method for continuously recovering a high-boiling-point solvent on line. The device comprises a temperature-control corrosion-resistant column and a condensation recovery device, the temperature-controllable corrosion-resistant column is of a double-layer structure, the inner layer of the temperature-controllable corrosion-resistant column is a hollow cylindrical cavity, and the middle interlayer serves as a heat exchange flow channel. A high-boiling-point solvent enters the condensation recovery device from a solvent outlet formed in the upper end of the cavity through a pipeline, and the recovered solvent is cooled by a condenser, so that recovery and reuse are realized; according to the invention, high-boiling-point solvents such as DMF and benzyl alcohol can be efficiently evaporated and recycled, so that the environmental pollution is reduced, and the process cost and loss are reduced.
Owner:JIANGXI NORMAL UNIV

Rectification and condensation device for pyridine chloride production

The invention belongs to the technical field of pyridine chloride production devices, and particularly relates to a rectifying and condensing device for pyridine chloride production, which comprises a condenser, the condenser comprises an outer tank body, an air inlet pipe, an air outlet pipe, a water inlet pipe and a water outlet pipe are arranged outside the outer tank body, and the bottom side of the outer tank body is fixedly connected with a flow guide pipe; the condensation pipes are uniformly and fixedly connected to the interior of the outer tank body, and the condensation pipes are arranged in a spiral twisting manner; by means of the flow pushing plate and controlling the air outlet pipe at the same time, the condensation cavities on the two sides of the flow pushing plate are alternately in the states of discharging rectification steam and guiding in the rectification steam, the rectification steam is guided in when the condensation cavities are in the expanded state, the rectification steam is guided out when the condensation cavities are in the shrunk state, and the rectification steam is controlled to be alternately guided in and guided out. According to the utility model, the residence time of the rectification steam in the condensation cavity is prolonged, and the contact effect of the rectification steam and the condensation pipe is improved, so that the condensation effect of the rectification steam is improved, the waste of the product pyridine chloride is avoided, and the yield of the product pyridine chloride is improved.
Owner:WEIFANG NEW GREENING CO LTD

Angelica compound essential oil extraction device and method

The invention relates to the technical field of distillation extraction, and provides an angelica sinensis compound essential oil extraction device and method.The angelica sinensis compound essential oil extraction device comprises a plurality of tank bodies, the upper portions of the tank bodies are provided with condensation spaces, the lower portions of the tank bodies are provided with water storage spaces, the tank bodies are sequentially arranged in the vertical direction, and heat conduction is conducted between the water storage spaces and the condensation spaces of the upper and lower adjacent tank bodies; the upper part of the condensation space communicates with an exhaust pipe; the multiple evaporation discs are arranged in each tank body, the evaporation discs are used for containing materials, the evaporation discs are provided with heating devices, and the evaporation discs are located below the condensation space; the liquid supply pumps are arranged on the tank bodies, the liquid inlet ends of the liquid supply pumps communicate with the water storage space, and the liquid outlet ends of the liquid supply pumps communicate with the interior of the evaporation disc. According to the technical scheme, the problems of excessive water vapor and energy waste in the distillation process in the prior art are solved.
Owner:蓝音(兰州)生物科技有限公司

Preparation method and device of pharmaceutical grade turpentine

The invention discloses a preparation method of pharmaceutical grade turpentine, and belongs to the technical field of traditional Chinese medicine material preparation, and the pharmaceutical grade turpentine with high purity and stable quality can be prepared by using the method so as to meet the safety and treatment effect requirements of products. Comprising the following steps: S1, feeding raw material turpentine into a tower kettle of a rectifying tower for preheating, and feeding vaporized turpentine into the rectifying tower; and S2, cooling the vaporized turpentine entering the rectifying tower, sequentially feeding the cooled vaporized turpentine into a rectifying oil cooler and a rectifying oil distribution tank, and leading out finished oil from the rectifying oil distribution tank to a finished product temporary storage tank for storage, thereby obtaining the pharmaceutical grade turpentine. The invention also discloses a device for preparing the pharmaceutical-grade turpentine.
Owner:WUZHOU SUN SHINE FORESTRY & CHEM CO LTD OF GUANGXI

Deaerator with exhaust steam recovery function and use method thereof

The invention relates to the technical field of deaerators, and discloses a deaerator with an exhaust steam recovery function and a using method thereof.The deaerator comprises a tank body, the bottom of the tank body is fixedly connected with a structural frame, the inner wall of the tank body is fixedly connected with a partition plate, the outer wall of the tank body is fixedly connected with a pressure release valve, and the top of a steam opening is fixedly connected with a steam inlet valve; a water outlet is formed in the bottom of the tank body, a collecting pipe is connected to the upper end of the tank body in a penetrating mode, a U-shaped pipe is fixedly connected to the lower end of the collecting pipe, when the U-shaped section of the U-shaped pipe is filled with condensed water, steam can be effectively prevented from passing through, other non-condensable gas is exhausted through an exhaust pipe, and microporous waterproof breathable cloth is arranged in the exhaust pipe to prevent water loss. And condensed water drops are locked to enter the collecting pipe, so that the waste of water resources caused by the loss of water vapor formed by the steam in the deoxidizing process can be effectively prevented.
Owner:JIANGSU TIANGENENG ENVIRONMENTAL PROTECTION MASCH & EQUIP MFG CO LTD

Built-in micro-interface oxidation system and method for preparing terephthalic acid from p-xylene

The invention provides a built-in micro-interface oxidation system for preparing terephthalic acid from p-xylene. The oxidation system includes a first reactor, a rectifying tower and a second reactor which are sequentially connected. A first outlet is disposed on a side wall of the first reactor; a first inlet is disposed on a side wall of the second reactor; a material inlet is disposed on a side wall of the rectifying tower; and a material outlet is disposed at a bottom of the rectifying tower. The first outlet is connected with the material inlet of the rectifying tower; the first inlet is connected with the material outlet of the rectifying tower. Micro-interface units are arranged in the first reactor and the second reactor for dispersing and crushing air into bubbles. Through disposing micro-interface units in reactors, problems of high energy consumption, high raw material consumption and low reaction efficiency are solved.
Owner:NANJING YANCHANG REACTION TECH RES INST CO LTD

Device and method for cooperative production of low-temperature water heat energy recovery and desorption device cooling

The invention relates to the technical field of urea production equipment, in particular to a device and method for cooperative production of low-temperature water heat energy recovery and desorption device cooling, and the device comprises a low-temperature water system, a lithium bromide refrigeration system and a desorption backflow cooling system, and the low-temperature water system comprises a low-pressure methylamine condenser and a low-temperature water cooler; the lithium bromide refrigerating system comprises a lithium bromide unit and a cold water pump, and the desorption reflux cooling system comprises a reflux condenser, a reflux cold liquid level tank, a desorption tower, a desorption tower heat exchanger and a wastewater cooler. By the adoption of the device and method for cooperative production of heat energy recovery of the low-temperature water and cooling of the analysis device, efficient recovery and utilization of heat of the low-temperature water are achieved, the use amount of circulating water is reduced, the stability of an analysis system is improved, and the problem that a heat exchange pipe is prone to scaling and corrosion is solved.
Owner:SHANDONG JINMEI MINGSHENGDA CHEM CO LTD

A semiconductor precursor distillation device, system and method

The present invention discloses a semiconductor precursor distillation device, system and method, including a heat exchange component, a distribution component and a liquid collecting component, wherein the distribution component includes a distribution pipe body, and the bottom of the distribution pipe body is provided with a connection hole for conveying steam to a distillation tower; the liquid collecting component is placed between the distribution pipe body and the heat exchange component, and includes an extractor for collecting liquid generated by condensation of the heat exchange component, the bottom of the extractor is provided with a base plate, an overflow pipe and a plurality of gas phase flow pipes are provided on the base plate, and the gas phase flow pipes connect the extractor and the distribution pipe body; one end of the overflow pipe extends into the extractor to form an overflow port, and the other end extends into the distribution component and is located above the connection hole, so that the condensed liquid can contact with the steam coming out of the distillation tower in the distribution pipe body, thereby flushing the heavy component substances in the steam, and then reflux to the distillation tower together, so that the corresponding light component substances can be quickly enriched and discharged in time, so that the content of light component substances in the semiconductor precursor is reduced.
Owner:CHANGZHOU RONGDAO PRECISION EQUIP CO LTD

A separation device and separation method for carbonyl synthesis of butyraldehyde

This invention discloses a separation device and method for the carbonyl synthesis of butyraldehyde. Compared with the prior art which only involves two separations, this invention sets up a stripping tower for primary screening, a flash evaporator for secondary screening, and a stabilizing tower for tertiary screening, making the separation more rational and resulting in higher purity of the butyraldehyde solution. During the flash evaporator secondary screening, the primary screening mixture enters the flash evaporator tangentially to complete the first separation, then passes through two plate filter discs to complete the second separation. The rising mixed gas contacts the conical filter disc to achieve the third separation, and the rising mixed gas passes through the sprayed secondary screening mixture to achieve the fourth separation. Finally, the catalyst is thoroughly screened out through four separations. Compared with the high-precision filters used in the prior art, this invention improves the filtration effect by setting up multiple separations, replacing the evaporator trap, eliminating the need for high-precision components, and reducing costs, making it easier to promote and use.
Owner:BEIJING ZHONGZHI INNOVATION SCI & TECH DEV

Triethanolamine purification equipment

The invention discloses triethanolamine purification equipment, and relates to the technical field of triethanolamine purification. The device comprises a raw material temporary storage and feeding device, the raw material temporary storage and feeding device is connected with a thin film evaporation device, the thin film evaporation device is connected with a distillation condensation device, the distillation condensation device is connected with a product collection device, the product collection device is connected with a filling device, and the filling device is connected with the thin film evaporation device. The raw material temporary storage and feeding device, the thin film evaporation device and the product collection device are connected with a sampling device, a vacuum device and a public engineering device. Through cooperative work of all the devices, the energy consumption in the rectification process is effectively reduced, the raw material temporary storage and feeding device can reasonably cache and accurately convey raw materials, unnecessary energy loss is avoided, the thin film evaporation device utilizes a thin film evaporator to enable the materials to form a thin film on a heating surface, the heat transfer efficiency is greatly improved, and the energy consumption is reduced. And the energy required by heating is reduced.
Owner:SICHUAN YIGUANG NEW MATERIAL MFG CO LTD

Precursor rectification device, system and method for semiconductor

The invention discloses a semiconductor precursor rectification device, system and method, the semiconductor precursor rectification device comprises a heat exchange assembly, a distribution assembly and a liquid collection assembly, the distribution assembly comprises a distribution pipe body, and the bottom of the distribution pipe body is provided with a connecting hole for a rectification tower to convey steam; the liquid collection assembly is arranged between the distribution pipe body and the heat exchange assembly and comprises an extractor used for collecting liquid generated by condensation of the heat exchange assembly, a base plate is arranged at the bottom of the extractor, an overflow pipe and a plurality of gas-phase circulation pipes are arranged on the base plate, and the gas-phase circulation pipes are communicated with the extractor and the distribution pipe body; one end of the overflow pipe extends into the extractor to form an overflow port, and the other end of the overflow pipe extends into the distribution assembly and is positioned above the connecting hole, so that condensed liquid can be in contact with steam discharged from the rectifying tower in the distribution pipe body, heavy component substances in the steam are flushed, and then the heavy component substances flow back into the rectifying tower together; corresponding light component substances can be quickly enriched and discharged in time, so that the content of the light component substances in the semiconductor precursor is reduced.
Owner:CHANGZHOU RONGDAO PRECISION EQUIP CO LTD

Circulating extraction equipment and extraction method of mellea armillaria sporophore saponin

The invention discloses circulating extraction equipment and an extraction method for arimillaria mellea saponin, and relates to the technical field of arimillaria mellea saponin extraction.The circulating extraction equipment comprises a table body, a water bath kettle, a shell and a box are arranged at the top of the table body, the shell is fixedly connected with the table body, a lifting assembly used for driving the box to vertically move is arranged in the shell, and the lifting assembly is fixedly connected with the table body. An extraction bottle is placed in the water bath kettle, and a rotating assembly for driving the extraction bottle to rotate is arranged in the box body. According to the device disclosed by the invention, high-temperature steam in the inner pipe can be quickly cooled and condensed through cooling water in the outer pipe to form liquid drops, and the formed liquid drops flow back into the reflux box through the first hose and then flow back into the extraction bottle again through the reflux pipe at one end of the reflux box, so that secondary reflux of a solvent is realized; therefore, the solvent can perform cyclic saponin extraction on the mellea armillaria sporophore, and the saponin extraction effect of the whole equipment is further improved.
Owner:JINLIN MEDICAL COLLEGE

Renewable transportation fuels process using thermal oxidation systems

A process for treating effluent streams in a renewable transportation fuel production process is described. One or more of a sour water stream and an acid gas stream are treated directly in a thermal oxidation section. The process allows for the elimination or reduction in size of a sour water stripper unit, a wastewater treatment plant, and a sulfur recovery unit.
Owner:HONEYWELL INTERNATIONAL INC

A curcumin extraction device and an extraction method

The present invention discloses a curcumin extraction device and an extraction method, belonging to the field of curcumin extraction; the device includes a cylinder body, a partition is fixedly connected to the middle of the cylinder body, the partition divides the cylinder body into a stirring cylinder and a distillation cylinder, a condenser tube is communicated with the distillation cylinder, a gear is fixedly connected to the valve rod of the reflux valve, and when the gear rotates, the condenser tube can be communicated with the collection cylinder or the reflux tube; when the solution in the distillation cylinder boils violently, the second water injection pipe injects low-temperature cooling water into the first water injection pipe, so as to increase the pressure in the control box, so that the gear rotates and the condenser tube is communicated with the reflux tube. The method includes stirring extraction, filtration and transfer, vacuum distillation, and boiling regulation; when the solution boils violently in the present invention, the reflux valve is reversed to make the condenser tube communicate with the reflux tube, so that when the solution boils violently, the curcumin entrained in the steam can flow back into the distillation cylinder through the reflux tube after condensation, reducing the loss of curcumin.
Owner:SHANDONG ACADEMY OF AGRICULTURAL SCIENCES

A continuous purification device and method of lithium battery additive

The present application relates to a kind of lithium battery additive continuous purification device and method, purification device includes first rectifying column, first scraper film evaporator, second rectifying column, second scraper film evaporator, condensing assembly, wherein the first rectifying column is used for the purification of lithium battery electrolyte additive reaction product source;The top gas output port of first scraper film evaporator is connected with the bottom of the first rectifying column;Second rectifying column is connected with the bottom liquid output port of the first scraper film evaporator in the feed port, the top output lithium battery electrolyte additive product of the second rectifying column;The top gas output port of second scraper film evaporator is connected with the bottom of second rectifying column, and the bottom liquid output port of the second scraper film evaporator is used to output high-boiling component.Compared with prior art, the present application is more suitable for the purification of heat-sensitive substances, with simplified operation process and higher operation continuity.
Owner:SHANGHAI RES INST OF CHEM IND CO LTD

NANO-emulsion compositions containing cannabinoids

Provided herein are nano-emulsion compositions comprising a cannabinoid, a solvent, a lipid source, and a surfactant. Methods of making the nano-emulsion compositions and methods of use are also provided herein. Compositions comprising the nano-emulsion compositions, such as food and beverage compositions and topical compositions, are also provided herein.
Owner:CCT SCIENCES LLC

Low-Temperature Reduced Pressure Continuous Catalytic Distillation Column and Distillation Process for Synthesizing Diacetone Alcohol

This invention relates to a low-temperature, reduced-pressure continuous catalytic distillation column and distillation process for synthesizing diacetone alcohol. The low-temperature, reduced-pressure continuous catalytic distillation column includes a catalytic distillation column, a condenser, and a built-in reboiler. The catalytic distillation column comprises a reaction section and a stripping section. The feed inlet of the catalytic distillation column is located between the reaction section and the stripping section. An external condenser is installed at the top of the catalytic distillation column, with its inlet connected to the top outlet and its outlet connected to the side inlet at the top. The built-in reboiler is installed at the bottom of the catalytic distillation column, and a bottom outlet is provided at the bottom of the column. This invention not only significantly improves the reaction conversion rate (>99.9%) but also achieves 100% reaction selectivity, avoiding the generation of byproducts and the decomposition of diacetone alcohol, reducing reaction energy consumption. Furthermore, the product requires no subsequent separation, and the catalyst does not need to be separated and recovered.
Owner:FUZHOU UNIV +1

Mixer reactor and electrothermal film precursor solution preparation method based on mixer reactor

A mixer reactor and an electrothermal film precursor solution preparation method based on the mixer reactor. The mixer reactor comprises: a reaction kettle (1); a condensation reflux mechanism (7), comprising a condensation tank (701), wherein a condensation coil (702) is coiled in the condensation tank (701), two ends of the condensation coil (702) are horizontally arranged and hermetically and rotatably mounted on two sides of the condensation tank (701), and the condensation coil (702) is driven by a coil driving motor (703); and a multifunctional stirring mechanism (13), comprising a stirring shaft (1301) and a plurality of stirring blades (1302) driven by the stirring shaft (1301), wherein the bottom of the stirring shaft (1301) is fixedly sleeved with an isolation sleeve (1303), and a corresponding cushion rubber gasket (14) is separately hermetically connected between a mounting portion (13022) of each stirring blade (1302) and a corresponding mounting hole of the isolation sleeve (1303); a corresponding blind hole (15) in a hollow state is provided on the stirring shaft (1301) above the stirring blades (1302), and an ultrasonic transducer (16) spaced from the blind hole (15) is movably mounted in the blind hole (15).
Owner:FUJIAN AODUN TECHNOLOGY CO LTD

Process and apparatus for treating tall oil

The present invention relates to a process for treating a feedstock (101) comprising tall oil, the process comprising separation of a light stream (129) from the feedstock (101), followed by removal of a heavy fraction (108) from the feedstock (101), in which process the separation of the light stream (129) from the feedstock (101) a fractionator (105) is used and at least one product is collected from the light stream (129). The invention also relates to an apparatus for use in the process and use of a fractionator (105) in dehydration of a feedstock (101) comprising tall oil.
Owner:NESTE OYJ