50 results about "Phase mixing" patented technology

The double-phase mixing bottle comprises a bottle body filled with a first component, a bottle cap and an essence bin, the essence bin can be connected to the top face of a bottle opening in a sleeved mode, part of the essence bin enters the bottle body, the essence bin is filled with a second component, and a release opening capable of releasing the second component to the bottle body is formed in the bottom of the essence bin. The connecting rod is used for sealing the release opening when the bottle cap is tightened and pressed, the connecting rod moves along with the unscrewing of the bottle cap and relieves the sealing of the release opening, the sealing cover can be replaced when the first component and the second component are in a mixed state, and a user only needs to simply unscrew the bottle cap to trigger the action of the connecting rod. The sealing of the release opening is released, so that the second component smoothly flows into the bottle body to be mixed with other components, and after the components are mixed, an original bottle cap can be replaced by a sealing cap, so that the subsequent storage and use are facilitated.

The application relates to the technical field of gas-liquid two-phase mixing, and discloses a multiphase reaction system and a multiphase reaction method, the system comprising a mixer and a reactor; wherein the mixer comprises a liquid flow guide pipe 1, a gas-liquid mixing pipe 2 and a gas cavity 3; wherein the liquid flow guide pipe 1 comprises a straight pipe section and a reduced diameter section, the reduced diameter section is connected with the gas-liquid mixing pipe 2; the gas-liquid mixing pipe 2 is connected with the reactor through the gas cavity 3. The multiphase reaction system provided by the application can make the gas phase contact with the liquid phase in the form of micro-bubbles, and can continuously provide micro-bubbles, thereby strengthening the gas-liquid two-phase mass transfer process and improving the reaction rate, and can be applied in liquid phase hydrogenation technology, and is especially suitable for hydrocarbon oil hydrogenation.

The utility model relates to a disc filter with an inflatable stirring mechanism, which is structurally characterized in that a lifting bridge frame is detachably arranged on a rack on the side surface of a tank body, and the inflatable stirring mechanism is mounted on the lifting bridge frame; the inflatable stirring mechanism comprises a branching device fixed on the lifting bridge frame, one side, far away from the tank body, of the branching device is externally connected with an air pipeline with a pressure reducing valve, and the other side of the branching device is connected with one ends of a plurality of high-pressure air pipes; and the other end of the high-pressure air pipe obliquely extends to the center line of the bottom of the tank body, is downwards and vertically aligned to the bottom of the tank body and is provided with a high-pressure air nozzle. In the working process, high-speed compressed air enters the bottom of the ore pulp tank body through the branching device and is sprayed out vertically and downwards, rotation and vortex can be formed at a specific position, and particles of all particle sizes have enough opportunities to make contact with one another and be mixed evenly; meanwhile, the high-speed airflow also generates strong impact force and disturbance force to mix the particle complex mixing blocks with air; the multi-phase mixing property becomes better and better through the combined action of the forces, and the efficient, uniform and sufficient mixing process is achieved.

The application discloses a kind of multi-phase mixture laminar flow flame burning rate measuring device and measuring method, the measuring device includes reaction shell, liquid atomization module, gas supply module, gas-liquid mixing module, rectifier nozzle module, ignition module and optical measurement module, reaction shell has the reaction cavity for gas-liquid mixing;Liquid atomization module is used to gather liquid fuel, and liquid fuel is atomized to form droplet;Gas supply module is used to control the flow and direction of gas into reaction cavity;Gas-liquid mixing module is arranged in reaction cavity, including the flow guide baffle for forming buffer space;Rectifier nozzle module includes rectifier unit and nozzle unit, rectifier unit is used to weaken flow field disturbance, and nozzle unit is used to output gas mist two-phase mixture fluid;Ignition module is used to ignite the gas mist two-phase mixture ejected;Optical measurement module is used to obtain flame propagation data.The measuring device can realize the accurate measurement and analysis of multi-phase mixture combustion process.

The invention discloses a method and a device for solid phase generation through gas phase mixing reaction and gas-solid separation, the device comprises a device body, a gas preparation area, a mixing reaction area and a product collection area are sequentially arranged in the device body from bottom to top in a communicating manner, the gas preparation area comprises a sublimation bin, and a gas outlet of the sublimation bin extends upwards and is connected with the mixing reaction area above the sublimation bin; a plurality of high-pressure airflow inlets are circumferentially formed in the position, flush with the gas outlet in the top of the sublimation bin, of the bottom end of the mixed reaction area; the mixed reaction area is of a big-end-down conical structure, a conical turbulent flow partition is erected in the middle and comprises an upper conical partition and a lower conical partition with spiral rising arc-shaped concave grains on the surface, and the conical wall of the mixed reaction area extends outwards to form an annular product collecting area on the connecting plane of the upper conical partition and the lower conical partition. According to the invention, high homogeneous mixing and full reaction of gas phase can be realized without extra power, and the whole process of preparation-mixing-reaction-collection is integrated to achieve an integrated process flow.

The invention relates to the technical field of atomization conveying devices, in particular to a pneumatically-controlled atomization leading-in device which comprises a shell, a liquid guiding device, an air pump, a controller and an injection mixing assembly, the shell is provided with a bottle neck connecting cavity, and the bottle neck connecting cavity is used for being detachably connected with a bottle neck of a liquid storage bottle in a sealed mode; the bottle mouth connection cavity is provided with a one-way gulp valve, and the one-way gulp valve is communicated with the outside and the interior of the liquid storage bottle so as to supplement air to the liquid storage bottle; the injection mixing assembly is provided with a gas inlet, a suction inlet and a mixing outlet and comprises a gas nozzle, a throat part and a diffusion section which are communicated in sequence, the gas inlet is communicated with the gas nozzle, the suction inlet is communicated with a low-pressure area of the throat part, and the mixing outlet is communicated with the diffusion section; and the mixed gas-liquid two-phase mixture flows through the mixing outlet, enters the liquid guide inlet and is atomized and output by the atomizing nozzle, so that the effects of more continuous spray output and more uniform atomization are realized.

The invention discloses a mixing uniformity simulation analysis method based on bionic wriggling and a process parameter optimization method, which are used for solving the problem of lack of quantitative evaluation and process optimization guidance in bidirectional wriggling mixing of a high-solid-content viscous system. In the simulation analysis method, a transient flow field model of bidirectional peristaltic motion is established by fusing axial and radial peristaltic motion, a solid-liquid two-phase mixing process of a high-solid-content viscous system is simulated, and a uniformity index is calculated based on flow field node density, so that the mixing effect is quantitatively evaluated and the mixing duration is determined. In the process optimization method, an integrated learning prediction model and a response surface optimization model are constructed based on multiple groups of process parameter-mixed duration simulation data, and an optimal process parameter combination is obtained through multi-objective optimization solution. According to the invention, accurate simulation, quantitative evaluation and process intelligent optimization of the peristaltic mixing process are realized. According to the invention, accurate simulation, quantitative evaluation and process intelligent optimization of the peristaltic mixing process are realized.

Heat transfer methods, comprising the steps: - Separation (S1) of a working medium into a liquid propellant fluid (TF) and a gaseous suction fluid (SF) by means of at least one first phase separator (20), - Increase (S2) of the pressure in the propellant fluid (TF) by means of at least one pump element (30), - Heating (S3) of the motive fluid (TF) without phase transition in at least one heat exchanger (40), - Suction (S4) of the suction fluid (SF) with the aid of the propellant fluid (TF) and generation of a two-phase mixed fluid (MF) from the suction fluid (SF) and the propellant fluid (TF) in at least one ejector (50), - Separation (S5) of the mixed fluid (MF) into a liquid subsidiary fluid (NB) and a gaseous utility fluid (NU) by means of at least one further phase separator (60), - Return (S6) of the bypass fluid (NB) from the further phase separator (60) to the at least one first phase separator (20) via at least one throttling element (70), - Providing (S8) the utility fluid (NU) for heat transfer.

Method for increasing the pressure of steam, comprising - Suction (S1) of supply vapor (2) as the first suction fluid (3) with the aid of a propellant fluid (4) into a first ejector (5), - Generating (S2) a first two-phase mixing fluid (6) from the first suction fluid (3) and the propellant fluid (4) in the first ejector (5), - Directing (S3) the first two-phase mixed fluid (6) into a first phase separator (7) - Separation (S4) of the first two-phase mixed fluid (6) in the first phase separator (7) into a first vapor phase (8) and a first liquid phase (9), - Provision (S5) of the first vapor phase (8), which has a higher pressure than the supply vapor (2), - Extracting (S6) at least a part of the first liquid phase (9) from the first phase separator (7) and increasing the pressure of the first liquid phase (9) with a pumping device (10) and - Conveying (S7) at least part of the first liquid phase (9) with the pumping device (10) into the first ejector (5), where the first liquid phase (9) forms or co-forms the propellant fluid (4).

A multi-phase mixing and separating device, comprising a cylindrical tank body (1). A transverse partition plate (2) is provided at the lower part of an inner chamber of the cylindrical tank body (1), and divides the inner chamber into a two-phase inflow region and a two-phase mixing and separating region; a longitudinal partition plate (3) is provided in the middle of the two-phase inflow region, and divides the two-phase inflow region into an organic phase region (4) and an aqueous phase region (5); the bottom of the cylindrical tank body (1) is provided with an organic phase inlet pipe port (6) and an aqueous phase inlet pipe port (7); the center of the transverse partition plate (2) is provided with a two-phase confluence port (8), the organic phase region (4) and the aqueous phase region (5) both being communicated with the two-phase confluence port (8); the two-phase mixing and separating region is separated by a vortex partition plate (9) into a vortex channel (10); the central region of the vortex channel (10) is a stirring region (11), the side wall of the stirring region (11) being provided with a mixed phase outlet (12); phase separation plates (13) are longitudinally distributed in the vortex channel (10); a stirring motor (14) is provided at the top of the cylindrical tank body (1) and is connected to a stirring rod (15) extending into the stirring region (11); an aqueous phase outlet (16) is provided at the lower part of the side wall of the two-phase mixing and separating region; an organic phase outlet pipe port (25) is provided at the upper part of the side wall of the two-phase mixing and separating region; an aqueous phase regulator (17) is provided outside the side wall of the two-phase mixing and separating region.

The application belongs to the field of mixing device manufacturing, and particularly relates to an online high-shear two-phase mixing device, which comprises a premixer, a feeding end of the premixer is communicated with a feeding end of a high-shear mixer, a discharging port of the high-shear mixer is communicated with a feeding end of a lifting pump, the high-shear mixer is provided with a two-phase material inlet, a two-phase material outlet and a supplementary liquid flow inlet, the supplementary liquid flow inlet and the discharging port of the high-shear mixer are located at the same axial position of the high-shear mixer, when a rotor of the mixer rotates, blades first pass through the supplementary liquid flow inlet and then turn to the discharging port; the application can provide a certain liquid flow for the high-shear mixer during a starting process and a closing process of the high-shear mixer, so that the high-shear mixer and the lifting pump cannot be idled, and the suction force (suction vacuum degree) of the lifting pump can compensate for the problem of insufficient delivery pressure of the high-shear mixer and the problem of energy waste in the prior art that discharged liquid is transferred in a container and then delivered.

This invention discloses a transient calculation method and system for the temperature field of a phase change capsule based on a thermal network, relating to the field of phase change capsule technology. The method includes: constructing a physical model of the phase change capsule and initializing its parameters; constructing a four-node thermal network model; the phase change process: preheating stage: all heat on the solid surface is used for temperature rise, solving the four-node coupled heat transfer equations, and outputting the transient temperature values ​​of each node; melting stage: the solid surface temperature is fixed at the phase change temperature, solving the equations, calculating the enthalpy of the two-phase mixture based on the net heat flow of the gas and liquid phases, updating the solid and liquid mass and volume, and outputting the transient temperature values ​​of each node; complete liquefaction stage: the solid disappears, the liquid nodes directly exchange heat with the shell wall, calculating the heat transfer coefficient, solving the equations, and outputting the transient temperature values ​​of each node; stage transition smoothing is applied between the preheating and melting stages and between the melting and complete liquefaction stages of each node. This invention significantly improves computational efficiency, provides a complete physical model, and exhibits good numerical stability.

The invention belongs to the field of oil exploitation, and particularly relates to a three-phase flow gathering and transportation simulation system and a method for obtaining flow pattern, pressure and temperature heat gradients. The oil-gas-water three-phase flow gathering and transportation simulation system comprises an oil-gas-water flow control device, a three-phase mixer, a pulse generator, a constant-temperature box, a sensor and a pipeline, the pipeline is arranged in the constant-temperature box, an inlet of the pipeline is connected with an outlet of the pulse generator, and an inlet of the pulse generator is connected with an outlet of the three-phase mixer. An inlet of the three-phase mixer is connected with an oil-gas-water flow control device; the sensor is arranged on the pipeline. According to the device disclosed by the invention, simulation of various working conditions can be realized through cooperation of the oil-gas-water flow control device, the three-phase mixer, the constant-temperature box and the flow pulse generator; meanwhile, the characteristic information of the three-phase flow in simulation of various working conditions can be obtained through the arranged sensor, the characteristic information can be used for equipment model selection and determination of production control parameters, and the advantage of reducing cost is achieved.

The invention discloses a periodic asymmetric Tesla microchannel two-phase cold plate and a preparation method thereof. The cold plate comprises a cover plate, a substrate, asymmetric Tesla microchannels and a liquid separation cavity, the cover plate and the substrate are covered to form a sealing structure; working medium inlets and outlets are formed in two sides of the cover plate; a plurality of parallel asymmetric Tesla micro-channels at equal intervals are arranged in the middle of the substrate; the asymmetric Tesla microchannel is composed of Tesla units which are periodically and asymmetrically arranged on the upper side and the lower side, the Tesla unit on one side restrains steam countercurrent, and the Tesla unit on the other side promotes two-phase mixing of working media; the liquid separation cavities on two sides of the substrate are communicated with the micro-channel and are positioned below the inlet / outlet; the bottom of the substrate contacts with the power consumption device for heat exchange. The preparation method comprises the following steps: processing the cover plate, milling the asymmetric Tesla micro-channel and the liquid separation cavity on the substrate, cleaning and drying the micro-channel, and packaging the cover plate and the substrate. The device synchronously realizes steam countercurrent inhibition and two-phase mixing enhancement, improves the boiling heat exchange efficiency and the flow stability, and is suitable for two-phase heat dissipation of high-heat-flux electronic devices.

The invention relates to a performance testing system and method for a heat exchanger. The performance testing system comprises a heating device, the heat exchanger, a refrigerating device and control equipment. The heating device comprises a liquid phase loop, a gas phase loop, a two-phase mixing cavity and a heating module. The heating device is used for mixing liquid in the liquid-phase loop and gas in the gas-phase loop and transmitting a mixed medium to the heat exchanger, the refrigerating device is used for transmitting cooling liquid to the heat exchanger, and the control device is used for controlling the cooling liquid after the heat exchanger conducts heat exchange operation on the mixed medium and the cooling liquid. Acquiring state parameters of the input pipeline and the output pipeline on the heat exchanger, and testing the performance of the heat exchanger according to the state parameters. The system adopts a structure that the gas phase loop and the liquid phase loop are parallel, independently feed and adjust, and mix in the two-phase mixing cavity, so that the mass flow of the gas phase and the liquid phase can be independently set and adjusted, and the repeatability and the accuracy of an experimental result are remarkably improved.

The application relates to the technical field of natural gas component mixing delivery, and discloses a multi-gas-source natural gas component mixing delivery test auxiliary device which comprises a liquefied storage tank, a natural gas tank, a cooling assembly, a buoyancy automatic valve closing mechanism, a liquid pressure relief gas releasing mechanism, a partition plate and an electromagnet. The upper surface of the storage tank base is fixedly installed with the liquefied storage tank, and the left side of the upper surface of the liquefied storage tank is provided with a water-vapor separation port. The cooling assembly and the compressor are matched, so that the natural gas of the multi-gas source is proportionally delivered into the compressor, compressed, delivered into the liquefied bin, cooled and liquefied by the cooling assembly, and then mixed. In the liquefied mixing, compared with the gas phase mixing, the molecular distance of the liquid is closer, the molecules can collide and interact more frequently, the liquefied mixing can realize the uniform mixing of the substances, the components can contact and exchange with each other, and a better mixing effect is achieved.

The application discloses a device and method for evaluating plugging and unplugging of sand control medium, which comprises a three-phase mixed displacement kettle, a gas storage tank, a one-way variable hydraulic pump, a sand mixing tank, a multi-interface connector, a plugging remover power mechanism, a sand settling tank, a test fluid channel, a sleeve, a plugging remover, a screen pipe, a temperature measuring system, a pressure measuring system and a control terminal. The device and method can master the plugging law and mechanism in the hydrate mining process, and the optimal unplugging process suitable for the hydrate mining will become an important support means for maintaining long-term and efficient mining of the hydrate, and has extremely important significance for promoting the industrialization process of the hydrate.

The invention belongs to the technical field of new energy materials and devices, and relates to a high capacity retention rate lithium-rich manganese-based positive electrode material synthesis method, which comprises: co-precipitating to synthesize a nickel cobalt manganese carbonate precursor; the preparation method comprises the following steps: dispersing a nickel-cobalt-manganese carbonate precursor in an organic solvent to form a precursor suspension, dispersing a single-source dopant in the organic solvent to form a dopant suspension, and carrying out liquid-phase mixing on the precursor suspension and the dopant suspension to prepare an intermediate; and fully grinding and mixing the intermediate and a lithium source, and calcining at high temperature to obtain the lithium-rich manganese-based positive electrode material. Specific metal fluoride is selected as a unique dopant source, and an innovative liquid phase mixing process is combined, so that the dopant is uniformly dispersed, the crystal structure is optimized, and the cycling stability of the material is remarkably improved. Experiments show that under the doping proportion of 0.4 mol% of yttrium fluoride, the capacity retention ratio of the material after circulation for 100 times reaches up to 97.59%, which is far better than that of an undoped material (79.94%), and the problem of fast capacity fading of a lithium-rich manganese-based positive electrode is solved.

The invention provides a multiphase micro-mixing structure which comprises an all-phase fluid leading-in structure and a multiphase mixing structure which are integrally formed, the multiphase mixing structure comprises a pre-mixing area and a strong mixing area which are sequentially communicated in the fluid flowing direction, and multiphase mixed fluid outlets are formed in the peripheral side of the strong mixing area. The strong mixing area is arranged in a rotor rotating at a high speed, and is used for performing high-shear and supergravity rotation on premixed fluid from the premixing area to achieve micro mixing; and each phase fluid leading-in structure is communicated with the pre-mixing area. By highly integrating the fluid inlet, the fluid outlet, the pre-mixing area and the strong mixing area, the reactor has the advantages of compact structure, remarkable mixing and mass transfer effects and the like, and a safe and efficient solution is provided for toxic, harmful and other high-risk reaction and mixing processes.

The invention relates to a curvature-adjustable flexible elbow erosion system and an erosion evaluation method, and the system comprises an experiment test loop which is used for carrying out a multi-curvature erosion experiment under the condition that a pipe section is not replaced; the gas phase injection system is connected with the experimental test loop and is used for injecting gas into the experimental test loop; and the liquid-solid phase mixing system is connected with the experimental test loop and is used for injecting a liquid-solid mixture into the experimental test loop. According to the invention, the flexible bent pipe test section with the adjustable curvature radius is adopted, so that the multi-curvature erosion experiment of a single pipe section is realized, and the actual pipeline form is accurately matched; a key erosion area is positioned through CFD simulation, and the position of the sample is dynamically adjusted through the two ends of the flexible bent pipe and in the mode of changing the curvature of the flexible bent pipe; and accurately predicting the actual erosion rate of the seabed flexible bent pipe by comparing an experimental result with a simulation result.

The invention discloses a mechanical sealing structure suitable for a gas-liquid mixed-phase medium, which is arranged in a sealing cavity of a multiphase multiphase pump and comprises a driving shaft, a shaft sleeve sleeved on the driving shaft, a movable ring seat and a sealing movable ring, a plurality of mixing blades and a rotating sleeve are arranged on the outer wall of the movable ring seat in the circumferential direction, and the rotating sleeve is sleeved on the shaft sleeve. An inner mixed flow channel is formed between the inner wall of the rotating sleeve and the outer wall of the movable ring seat, and an outer mixed flow channel is formed between the outer wall of the rotating sleeve and the inner wall of the sealing cavity; and a plurality of turbulent flow holes for communicating the outer mixed flow channel with the inner mixed flow channel are formed in the wall of the rotating sleeve. After primary crushing of the mixing blades and multiple and high-strength mixing inside and outside the turbulent flow hole channels, gas-liquid two-phase media are greatly homogenized to form a bubble / liquid drop two-phase mixture which is dispersed more finely and distributed more uniformly, and the mixture is continuously conveyed to a sealing end face area formed by the movable ring and the static ring, so that the sealing effect of the gas-liquid two-phase media is improved. And a layer of continuous and stable fluid film with certain bearing capacity is formed between the sealing end surfaces.

A furfuryl alcohol mixer comprises a mixing cylinder and an inlet formed in one side of the mixing cylinder, the center side wall of the mixing cylinder approaches the center and is of an hourglass-shaped cavity structure which is vertically symmetrical with the center as the center, a flow mixing pipe is arranged in the upper portion of the hourglass-shaped cavity structure, and the lower end of the flow mixing pipe extends to the narrow portion in the middle of the hourglass-shaped cavity structure. The upper end of the flow mixing pipe extends out of the mixing barrel, and the lower end of the mixing barrel is a discharging end. According to the utility model, liquid furfuryl alcohol and gaseous hydrogen can be quickly compressed at a narrower part of the hourglass-shaped cavity structure, so that the liquid furfuryl alcohol and the gaseous hydrogen are fully excited by a hydrogen flow and are quickly and comprehensively mixed with the hydrogen, and the hydrogen can be quickly expanded to be filled with the liquid furfuryl alcohol, so that the gas phase and the liquid phase are more thoroughly mixed; the furfural, the hydrogen and the catalyst materials are uniformly mixed, so that the subsequent reaction is more thorough, and the product yield is effectively improved.

The application relates to a simulation system of a mixing and clarifying tank and a calculation method thereof, which comprises an initial external variable input module, an intermediate process external variable input module, a mixing chamber simulation calculation module, a clarifying chamber simulation calculation module and an iterative control module. By setting initial flow parameter and mixing and clarifying tank equipment parameter, the change of external flow parameter in the simulation simulation process is set, the running state of the mixing chamber is simulated and calculated according to the set initial flow parameter and the related data of the intermediate process external variable, and the running state of the clarifying chamber is simulated and calculated, and the minimum time unit and the iteration number of the iterative calculation process are controlled to perform iterative operation. By adopting the method disclosed in the application, various theoretical models such as pressure balance, weir flow model, extraction balance and heterogeneous mixing process are comprehensively applied, a simulation system of liquid volume and flow of the mixing and clarifying tank is constructed through a numerical simulation method, and reliable data support is provided for the establishment of an intelligent control system for rare earth extraction and separation.

The application discloses a three-element two-phase mixer and welding assembly equipment thereof and belongs to the technical field of fluid mixing equipment. The device comprises a central input pipe, the lateral wall of the central input pipe is fixedly connected with a mixing sleeve, one side of the mixing sleeve is fixedly connected with a side edge input pipe, the top of the mixing sleeve is fixedly connected with a mixing flow guide cover, and the top of the mixing flow guide cover is fixedly connected with a mixing output pipe; a gas phase input assembly for connecting gas phase materials is fixedly installed in the middle of the central input pipe; the three-element two-phase mixer of the application adopts a multi-path collaborative feeding and coaxial cutting type downstream mixing structure, and a single machine can realize integrated mixing of three-element two-phase fluid, thereby breaking through the limitation of traditional equipment which can only mix two phases; in cooperation with the uniformly distributed gas phase pipe and the spoiler ring, an efficient mixing system is formed, the mixing uniformity and the proportioning accuracy are improved, and the foaming quality and the fire extinguishing effect can be significantly improved in a fire-fighting foam system.

The application discloses a kind of based on heat network's phase change capsule temperature field transient calculation method and system, it is related to phase change capsule technical field, including: constructing phase change capsule physical model and parameter initialization;Four-node heat network model is constructed;Phase change process: preheating stage: all solid surface heat is used for temperature rise, solve four-node coupled heat transfer equation group, output each node transient temperature value;Melting stage: solid surface temperature is fixed at phase change temperature, solve equation group, according to gas phase, liquid phase net heat flow calculation two-phase mixture enthalpy, update solid-liquid mass and volume and output each node transient temperature value;Complete liquefaction stage: solid disappears, liquid node directly exchanges heat with shell wall, calculate heat transfer coefficient, solve equation group, output each node transient temperature value;To each node preheating stage and melting stage between and each node melting stage and complete liquefaction stage between with stage transition smoothing processing.The application greatly improves calculation efficiency, physical model is complete, and numerical stability is good.

The present application relates to a kind of energy-saving self-circulation candle type reactor and its working method, the reactor includes cylindrical shell, three-phase mixing unit, three-phase separation unit, gas-liquid separation circulating unit and solid-liquid separation circulating unit;Shell overall appearance is inverted cylindrical candle style, with two layers of inner layer and outer layer structure, for installing three-phase mixing unit, three-phase separation unit, gas-liquid separation circulating unit, solid-liquid separation circulating unit and intelligent control unit, for the organic combination of above-mentioned unit and each unit provides physical support and bearing space.The present application has the characteristics of simple structure, accurate material separation, small floor area and easy control, its unique energy-saving self-circulation function can greatly improve the utilization rate of micro-nano electrolytic material and play the characteristics of reducing energy consumption.

The invention discloses a heavy oil slurry bed hydrocracking method, which comprises a heating furnace, a slurry bed reactor, a circulating pump, a circulator, a cooler, a hot separator, a cold separator and a product fractionating tower, the hot separator is provided with a circulating pump, thereby effectively reducing temperature difference in the reactor. Compared with the conventional scheme of arranging cold hydrogen, the invention can reduce the flow of the circulator, lower the differential pressure of the reaction system and lower the overall energy consumption of the device. The bottom of the slurry bed reactor is provided with a mixed feed inlet, a hydrogen distributor and a circulating oil distributor, under the comprehensive action of the scheme, the two-phase mixing effect in the reactor is greatly enhanced, and the overall heavy oil conversion rate is increased.

The invention discloses an ultrasonic enhanced TEX intermittent synthesis method. The method comprises the following steps: slowly adding DFTHP into fuming nitric acid under stirring and ultrasonic conditions, controlling the temperature in the charging process to be less than or equal to 47 DEG C, heating to 67-78 DEG C after charging is completed, carrying out heat preservation reaction, and carrying out continuous ultrasonic treatment to prepare TEX. According to the method, the TEX intermittent reaction process is enhanced by adopting ultrasonic waves, so that the mass transfer and nitration rate of a reaction system is remarkably promoted, and the reaction efficiency is improved; meanwhile, the ultrasonic action effectively inhibits premature precipitation and aggregation of a solid product, the mixing uniformity of a reaction system is ensured, the problems of non-uniform multi-phase mixing and potential blockage are avoided, the yield of TEX reaches 46.5%, and the purity is not lower than 98%.

The present invention relates to a method for separating a gas mixture (1) having a dew point of 0 to 15°C at a first pressure, wherein the gas mixture contains carbon dioxide and at least one first component heavier than carbon dioxide, and the method comprises the steps of cooling the mixture to a first temperature of 0 to 15°C and at least partially condensing the first component of the mixture in a first heat exchanger (E1) in order to obtain a two-phase mixture by indirect heat exchange with a pressurized liquid stream (29) vaporizing in a heat exchanger, and separating the liquid phase (H) from the cooled two-phase mixture in order to obtain a liquid phase containing at least one first component and a gas phase (3) from which at least one first component has been depleted, wherein the liquid stream is produced by separating the gas phase.