13results about "Reflux condensation" patented technology

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.

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.

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.

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.

A hydrogen sulfide adsorption distiller using pure copper of the present invention has advantages in that, while alcohol vaporized in a heating vessel 100 sequentially passes through a retention tube 120, which is formed of pure copper having a catalytic reaction, a vertical tube 130, a spiral coil 132, a cooling vessel 140, and a liquid collecting tray 150 until distilled liquor C of condensed liquefied alcohol is completed, vaporization process is facilitated, and at the same time, hydrogen sulfide of the vaporized alcohol and the condensed liquefied alcohol is adsorbed, and thus, hydrogen sulfide, which (adversely) affects the organoleptic flavour properties of distilled liquor C, is removed as much as possible, thus improving liquor quality.

The system relates to an internal-reflux distillation column that integrates a rotating heat exchanger as the structured filling. The column (container 10) is a vertical vessel (axis X) with a lower vapour inlet, a condensate outlet, and a top vapour outlet (15) connected to an external condenser (22). A distillate-reflux inlet (18) near the head allows part of the condensed product to be returned to the column. A heat exchanger (5) is mounted inside on a shaft (6) that rotates around axis X, driven by a motor (60); it operates in counter-current mode with a refrigeration fluid supplied through internal ducts (610,620). The rotor may be a finned tube, the fins having a helical structure.The system is suitable for batch or continuous fractional distillation of multicomponent mixtures in pharmaceutical, fine-chemical, biotech and food processes.

Disclosed is a mixed reactor and a method for preparing electrothermal film precursor solution based on the mixed reactor. The mixed reactor includes a reaction kettle body, a reflux condensation mechanism, and a multifunctional stirring mechanism. The reflux condensation mechanism includes a condensate tank, a condensing coil is wound around inside of the condensate tank, two ends of the condensing coil are horizontally arranged, and hermetically and rotatably installed on both sides of the condensate tank, the condensing coil is driven by a coil driving motor; the multifunctional stirring mechanism includes a stirring shaft and a plurality of stirring blades driven by the stirring shaft. The bottom of the stirring shaft is fixedly sleeved with an isolation sleeve. Buffer rubber gaskets are hermetically connected between the mounting parts and the installation holes. It can effectively improve the quality of products and the quality controllability during the product preparation process.

The invention relates to the technical field of plastic processing and polymer synthesis, in particular to a preparation method of bio-based isosorbide polycarbonate and a used ester exchange device. The invention provides a method for preparing bio-based isosorbide polycarbonate by a two-step method. Comprising the following steps: 1, carrying out transesterification on dimethyl carbonate and isosorbide, and separating to obtain an intermediate isosorbide carbonate; and 2, carrying out condensation polymerization on the intermediate isosorbide carbonate. The intermediate isosorbide carbonate not only can weaken the intermolecular acting force of the material, reduce the melting temperature and melt viscosity, improve the plasticity of the material, increase the elongation at break of the material and improve the optical transmittance of the material, but also can improve the optical transmittance of the material. The intermediate isosorbide ester can effectively improve the problems of poor reaction rate and the like in the polymerization process due to low activity of isosorbide and improve the rate of condensation polymerization, so that the copolymerized isosorbide polycarbonate with high molecular weight, comprehensive performance and functionalization is prepared.

The invention belongs to the technical field of chemistry and chemical engineering experiments, and particularly relates to an efficient condenser for a rotary evaporator. The efficient condenser for the rotary evaporator comprises an outer heat exchange tube, a steam inlet, a liquid collection bottle connector, a cooling liquid inlet, a cooling liquid outlet, an inner heat exchange tube, an extraction opening and a pressure balance opening which are integrally designed. The unique double-heat-exchange structure can effectively improve the heat exchange efficiency and the solvent recovery rate of the rotary evaporator. The efficient condenser for the rotary evaporator has the beneficial effects that the efficient condenser for the rotary evaporator has the advantages of being high in condensation efficiency and small in influence of environment temperature, and has important significance on improving the chemical engineering experiment environment and promoting rapid development of healthy chemistry.

A liquor distillation system, comprising one or more channeled loops fluidly couplable to a boiler and a condenser, the condenser adapted to condense alcoholic vapors from a heated liquor wherein the one more channeled loops include an entrance point, an exit point, a split point, and a recombination point such that the heated liquor enters the one or more channeled loops from the entrance point, to the split point where the heated liquor is split into two separate opposite subchannels and recombined at the recombination point; one or more connection pipes adapted to connect the one or more channeled loops to another channeled ring; one or more drain valves; and a liquor outlet.

The present application relates to a kind of purification device and method of lithium battery additive, purification device includes raw material storage tank, scraper film evaporator, rectifying column, condenser assembly, storage tank component, wherein the liquid flow inlet of scraper film evaporator is connected with the raw material storage tank, the scraper film evaporator is used to repeatedly circulate evaporation for reaction product source;Rectifying column is connected with the scraper film evaporator;Condenser assembly is connected with the top of the rectifying column, and the light component in the top of rectifying column is crystallized, sweating, melts in condenser assembly, and obtains purification product;Storage tank component is connected with the condenser assembly, for the storage of the purification product.Compared with prior art, the purification device in the present application is more suitable for the purification of heat-sensitive substances, with simplified operation process;While reducing the cost of product, high-purity fractionation product is obtained, and good economic benefit is obtained.

The invention provides a rectification system, which belongs to the technical field of distillation and comprises a rectification tower and a condenser, a gas-phase outlet is formed in the top of the rectifying tower; two ends of the condenser are respectively a water inlet end and a water outlet end; a plurality of heat exchange tubes are arranged in the condenser, two ends of each heat exchange tube are connected with end plates, and a material space for converting a gas-phase material into a liquid-phase material is arranged between the two end plates; the condenser is provided with a gas phase inlet at one end of the material space and a liquid phase outlet at the other end; the heat conduction coefficient K1 is calculated in real time, and according to the deviation range of the heat conduction coefficient K1 calculated in real time and the reference value K, scaling is divided into non-scaling, mild scaling, moderate scaling and severe scaling; according to the range of mild scaling, moderate scaling and severe scaling, the ultrasonic assembly is started at corresponding power and frequency to clean a scaling layer in the heat exchange tube, so that normal operation of the rectification process is ensured, and energy waste is reduced.

A waterless, non-jacketed, laboratory reflux condenser for use in association with a reaction vessel, including: (a) a top portion, wherein the top portion is adapted to serve as a vapor vent; (b) a bottom portion, wherein the bottom portion is adapted for releasable securement to a reaction vessel; (c) a primary condenser; (d) a secondary condenser; and (e) wherein the primary condenser is preferably in-line with the top and bottom portions of the reflux condenser, and the secondary condenser is preferably offset relative to the primary condenser.