83 results about "Phase mixing" patented technology

The invention discloses a gas-liquid low-temperature two-phase flow precise monitoring and metering test system, which comprises a segmented sensing acquisition module, a high-speed signal analysis module, a pulsation resonance identification module, an active damping control module, a phase change intelligent identification module and a monitoring metering output module, a plurality of groups of separated fluid dynamic response sensors are arranged in a low-temperature two-phase flow pipeline and are respectively positioned at a two-phase mixing inlet section, a middle stable section and an outlet section, so that segmented data acquisition is realized. The method has the advantages that the resonance risk caused by gas-liquid phase change can be accurately identified, a damping structure is regulated and controlled in real time, and system resonance and sensor damage are effectively avoided; meanwhile, through multi-point flow velocity fusion and gas phase molar fraction dynamic correction, high-precision measurement of the two-phase fluid volume flow is achieved, the measurement stability and the system safety are improved, and the device is widely suitable for low-temperature gas-liquid mixed transportation scenes.

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 utility model discloses a multiphase mixing and separating device which comprises a cylindrical groove body, and a transverse partition plate is arranged on the lower portion of an inner cavity of the cylindrical groove body and divides the inner cavity of the cylindrical groove body into a two-phase converging area and a two-phase mixing and separating area. A longitudinal partition plate is arranged in the middle of the two-phase afflux area and divides the two-phase afflux area into an organic phase area and a water phase area; an organic phase inlet pipeline connector and a water phase inlet pipeline connector are arranged at the bottom of the cylindrical tank body; a two-phase confluence port is formed in the center of the transverse partition plate, and the organic phase area and the water phase area are both communicated with the two-phase confluence port; the two-phase mixing and separating area is divided into a vortex channel by a vortex partition plate, the central area of the vortex channel is a stirring area, and a mixed phase outlet is formed in the side wall of the stirring area; phase splitting plates are longitudinally distributed in the vortex channel; a stirring motor is arranged at the top of the cylindrical tank body and is connected with a stirring rod extending into the stirring area; a water phase outlet is formed in the lower part of the side wall of the two-phase mixing and separating area; an organic phase outlet pipeline interface is formed in the upper part of the side wall of the two-phase mixing and separating area; and a water phase regulator is arranged outside the side wall of the two-phase mixing and separating area.

The application belongs to the field of pump test device, and discloses an integrated solid-liquid two-phase flow centrifugal pump PIV test table. The test table is composed of a solid-liquid two-phase circulation recovery system and a PIV test system. Through integrated arrangement of a circulating water tank, a circulating pipeline, a particle recovery pipeline and a test pump, the test table structure is more compact, and the required floor space of the test table is greatly reduced. A water suction device and a particle recovery device in the water tank are connected with the circulating pipeline and the particle recovery pipeline respectively, so that the circulation and recovery of particles in the system are realized; the funnel-shaped solid-liquid two-phase mixing cavity makes the two-phase flow mixing more uniform; and the vertical placement of the inlet pipeline effectively solves the deposition of solid particles in the inlet pipeline due to gravity.

Provided is a liquid-liquid distribution device for distributing a substance contained in a liquid-liquid system having two liquid phases, the liquid-liquid distribution device being capable of achieving phase mixing that attains a fine, stable emulsion state while suppressing entrainment. In a light liquid phase or a heavy liquid phase, or both of these phases, the direction in which liquid droplets move and the linear velocity of the liquid droplets are controlled by installing, within a structure in which two or more plates are vertically stacked, a flow path for shifting the two or more plates while changing the orientations thereof in a zigzagging manner.

The embodiment of the application provides a kind of jet loop reactor, it is related to the technical field of chemical equipment, including the reactor body and the loop reactor of jet device.The reactor body is equipped with reaction liquid feed inlet, gas discharge port and reaction liquid discharge port.Jet device is longitudinally arranged along the reaction liquid feed inlet and is interconnected with each other mixing channel, contraction channel and expansion channel, mixing channel is equipped with liquid circulating feed inlet and reaction liquid nozzle, and separated liquid enters mixing channel and mixes with reaction liquid by circulating feed inlet, contraction channel gradually shrinks along the material flow direction, and expansion channel gradually expands along the flow direction, by the synergistic effect of mixing channel, contraction channel and expansion channel in jet device, combined with the double circulation flow channel formed by flow guide piece, the gas-liquid-solid three-phase mixing effect is strengthened, effectively prevent solid deposition and bubble coalescence, with the advantages of uniform mixing, high reaction efficiency and stable operation.

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 belongs to the technical field of explosion resistance, and particularly relates to a wave blocking device. The wave blocking device comprises a cylindrical side screen, and the diameter of the two axial ends of the side screen is larger than that of the middle of the side screen. The first port screen mesh is arranged at one axial end of the side screen mesh, and the first port screen mesh is configured to be in an arc shape which is sunken towards the inside of the side screen mesh; and the second port screen mesh is arranged at the other axial end of the side screen mesh, and the second port screen mesh is configured to be in an arc shape which is sunken towards the inside of the side screen mesh. The invention is suitable for the gas-phase oxidation process, can be used in a gas-phase oxidation process air transport pipeline and in front of an inlet of a static mixer, has the effect of enhancing gas-phase mixing, has the effect of weakening detonation in the pipeline and shock wave harm in the detonation process, and is small in pressure drop.

The utility model discloses a water phase mixing device for margarine processing, and relates to the related field of margarine mixing, the water phase mixing device comprises a mixing tank, a servo motor is fixed at the middle end of the top of the mixing tank through a bolt, an auxiliary stirring device is arranged at the left end of the bottom side of a connecting rod, and a vertical rod slides in a sleeve and compresses a spring through counter-acting force; in this way, the mounting plate and the stirring blades move up and down in a reciprocating mode, vortex is formed to stir ingredients, through grooves of the connecting plates are used for promoting the ingredients to collide and be mixed, and the ingredients are stirred more comprehensively and evenly through the device; the cleaning device is arranged at the right rear end of the top of the mixing tank, a liquid spraying ring pipe is driven by a moving screw rod to move, so that residues on the outer side face of the auxiliary stirring device are flushed by utilizing water flow sprayed by the liquid spraying ring pipe, and residues adhered to the inner wall of the mixing tank can be scraped off by a moving scraping ring; and pollution to the ingredients during subsequent work is avoided.

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.

Present invention relates to an apparatus (0) for producing nanocarriers and / or nanoformulation and a process for producing a nanocarrier and / or a nanoformulation by means of this apparatus (0). According to inventive preparation, a first liquid phase (A) and the second liquid phase (B) are mixed first to give the primary mixture (A+B) by means of a static mixer (4). In a subsequence mixing step primary mixture (A+B) is diluted with a third liquid (C). An important aspect of apparatus (0) is the arrangement of the static mixer (4) inside a linear pipe (7) conducting third liquid phase (C). Thus, the primary mixture (A+B) exiting the mixer (4) is instantaneously diluted with (C) to give secondary mixture (A+B+C). The volume flow of the third mixture (C) is chosen larger than the volume flow of the primary mixture (A+B). By these measures, nanocarriers with improved morphology and homogeneity are produced. Encapsulation efficiency was enhanced as well.

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.

The invention provides an ionic liquid alkylation cyclone reactor for promoting mixing and separation of two phases, which comprises a heavy phase buffer chamber, a light phase buffer chamber, guide vanes, flow baffles, a mixing chamber, a separation chamber I, a separation chamber II and an annular inner component, and is characterized in that the heavy phase buffer chamber and the light phase buffer chamber are fluid buffer areas; the guide vane is a heavy-phase fluid swirling component, the flow baffle is of an annular columnar structure at the lower end of the guide vane, the mixing cavity is a swirl reactor column section area, the first separation cavity and the second separation cavity jointly form a swirl reactor conical section area, and the annular inner component is of an annular frustum-shaped structure in the second separation cavity. According to the present invention, the alkylation reaction of the ionic liquid and the hydrocarbon is achieved while the real-time separation of the catalyst and the reaction product can be achieved, the baffle plate promotes the two-phase mixing process in the reactor, the annular inner member optimizes the reactor separation process, and the separation performance of the reactor is improved.

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.

The utility model relates to special gas-liquid two-phase mixing equipment, in particular to static gas-liquid two-phase mixing equipment belonging to the field of fluid mixing equipment, which is characterized in that a baffle plate is arranged to guide fluid, the kinetic energy of the fluid is used for mixing, the overall pressure drop is lower, and the mixing efficiency is higher; the problems that when an existing conventional static mixer is used in a gas-liquid two-phase mixing working condition, resistance loss is large, and blocking is prone to occurring are solved.

The invention belongs to the technical field of low-dimensional semiconductors, and discloses a single-layer mixed-phase molybdenum telluride selenide material and a preparation method thereof, and the preparation method comprises the following specific steps: step 1, wiping a three-temperature-zone tubular furnace and a quartz sleeve by using absolute ethyl alcohol until the surfaces are free of visible stains and impurities, and ensuring cleanliness; the invention provides a single-layer mixed-phase molybdenum telluride selenide MoSe2 (1-x) Te2x material which is a MoSe2 (1-x) Te2x planar homojunction formed by mixing and embedding a 2H phase and a 1T'phase, the thickness is about 0.7 nm, the crystal phase proportion and the band gap can be flexibly regulated and controlled according to the tellurium / selenium proportion, and the single-layer mixed-phase molybdenum telluride selenide MoSe2 (1-x) Te2x material can meet the application requirements of nano electronic and optoelectronic devices. Secondly, the invention provides a preparation method of the single-layer mixed-phase tellurium selenide molybdenum material, the method is a one-step molten salt assisted chemical vapor deposition method, the single-layer mixed-phase tellurium selenide molybdenum material prepared by the method is high in crystal quality and obvious in phase mixing characteristic, and the method has the characteristics of simple operation, mild reaction and high repeatability.

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 utility model relates to the field of gas-liquid mixing, in particular to a gas-liquid two-phase mixer which comprises a mounting pipe, a connector is arranged at one end of the outer wall of the top of the mounting pipe, an extending bulge is arranged at the other end of the outer wall of the top of the mounting pipe, and a mixing structure is arranged at the top of the mounting pipe; the mixing structure comprises an air pump, a conveying pipe connected to the output end of the air pump, a connecting pipe connected to the input end of the air pump, an electric three-way valve installed on the outer wall of the other end of the connecting pipe and air outlet micropores formed in the outer wall of the other end of the conveying pipe at equal intervals. The air pump is started to extract air in the extending protrusion through the connecting pipe and the electric three-way valve, then the air pump flushes the air into liquid through the conveying pipe, and the air is discharged out of the air outlet micropores and fused into the liquid, so that air-liquid mixing and conveying are facilitated; the liquid passes through the turbofan in the flowing process and then drives the turbofan to rotate, the turbofan rotates to assist in mixing gas and liquid, and conveying is convenient.

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 utility model discloses a tubular micro mixer for a solid-containing slurry or high-viscosity fluid system, and belongs to the field of chemical equipment design. The micro-mixer comprises a shell, a first micro-pipeline and a second micro-pipeline; the first micro-pipeline is arranged in the shell and is used for conveying solid-containing slurry or high-viscosity fluid; the second micro-pipeline is used for conveying solid-phase-free liquid; the first micro-pipeline penetrates through the second micro-pipeline in the vertical direction; the pipe section, located in the second micro-pipeline, of the first micro-pipeline is a mixing pipe section, a plurality of micropores are formed in the top of the mixing pipe section, and the diameter of the micropores is 0.2 mm-1 mm; and the second micro-pipeline is communicated with the first micro-pipeline through the micropores. The tubular micro mixer can improve the disturbance effect of collision mixing at the mixing position of a continuous phase and a dispersed phase, and realizes efficient mixing of the continuous phase and the dispersed phase, thereby improving the mixing efficiency and the mixing uniformity. The whole system can form a highly turbulent state in the pipeline, promote substance transfer and reduce deposition of solid particles, and is suitable for a complex chemical process requiring accurate control of reaction conditions.

The application discloses a heat exchange type fluid distribution collision micro-reactor and belongs to the technical field of exothermic chemical reaction equipment. The micro-reactor comprises a main flow pipeline, a micro-porous jet flow mixing unit and a heat exchange unit. The main flow pipeline comprises a dispersed phase liquid inlet pipe, a reaction liquid outlet pipe and a continuous phase liquid inlet pipe. A tapered flow divider, a first structure, a second structure, a third structure and a tapered flow collector are sequentially connected in the main flow pipeline. The micro-porous jet flow mixing unit comprises a continuous phase annular gap channel, a micro-pore, a continuous phase connecting pipeline and a plurality of mixing reaction tanks. The application also discloses a use method and application of the heat exchange type fluid distribution collision micro-reactor. The application significantly improves the two-phase mixing effect, greatly reduces the side reaction for fast and strong exothermic reaction, and realizes high-throughput continuous feeding through the parallel structure of the plurality of mixing reaction tanks, thereby being suitable for industrial large-scale continuous synthesis conditions.

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.