2234 results about "Heat transfer efficiency" patented technology

The invention relates to the technical field of automation, in particular to an automatic monitoring and optimizing system for a fine chemical production process, which comprises the following steps of: extracting time-frequency domain fusion characteristic quantity of stirring torque power time sequence fluctuation data in real time through an incidence matrix construction module, dynamically inverting a thixotropic index by combining a deep neural network model, and optimizing the stirring torque power time sequence fluctuation data; the problem that a traditional method is difficult to perceive material rheological characteristics in real time is solved. The dynamic coupling analysis module analyzes the material viscosity change rate based on the thixotropic index, fuzzy PID control is adopted to generate a stirring speed adjusting instruction dynamically matched with the viscosity and a jacket temperature compensation value, and the defects of uneven mixing and local overheating caused by lagging adjustment of process parameters are overcome; the multi-target collaborative optimization module locks the mass optimization weight in the viscosity sudden change stage, rapidly stabilizes the reaction condition through a feed-forward compensation algorithm, dynamically balances the stirring power consumption and the heat transfer efficiency based on Pareto frontier search in the steady state stage, and solves the conflict between the mass and the energy efficiency target.

The invention relates to the field of power equipment data processing, in particular to a biomass power generation efficiency optimization method based on data driving, which comprises the following steps: collecting fuel multi-source heterogeneous data through a laser-induced breakdown spectroscopy and a temperature sensor, and carrying out space-time alignment processing by adopting a redundancy sensing fusion and dynamic time warping algorithm; and generating a fuel characteristic tensor for representing the fuel heat value, the water content and the ash content. A combustion digital twin dynamic model is constructed based on the tensor, the weight of the model is dynamically updated through cross validation of the CO / CO concentration ratio and the volatilization analysis rate, the combustion efficiency and the control stability are improved, and the problems of insufficient model adaptation and reduced heat transfer efficiency caused by fuel heterogeneity are solved.

The invention belongs to the technical field of power station boiler waste heat recycling energy-saving equipment and relates to a plate-and-shell type coal economizer. The plate-and-shell type coal economizer comprises a corrugated plate heat exchange core body (1), a heat exchanger shell (2), a first and a second water inlet / outlet water tank (3, 3') and a first and a second exhaust gas inlet / outlet pipeline (4, 4'), wherein the corrugated plate heat exchange core body (1) is mounted in the heat exchanger shell (2), the first and second water inlet / outlet water tanks (3, 3') are respectively arranged at the upper and lower ends of the front side of the corrugated plate heat exchange core body (1), and the first and second exhaust gas inlet / outlet pipelines (4, 4') are respectively arranged at the upper and lower sides of the corrugated plate heat exchange core body (1). The plate-and-shell type coal economizer solves the problem that the length of a water passage needs to be increased to solve the problem of unapparent water heating due to the great difference between an exhaust gas density and a water density, and meanwhile, a corrugated passage at the exhaust gas side enables the exhaust gas flow turbulivity to be increased and the heat transfer efficiency to be improved; the blockage due to ash accumulation happens rarely, even if the ash is accumulated, the cleaning is easy to finish.

The invention discloses a multi-branch middle-deep geothermal well efficient heat exchange system which comprises a main well, a plurality of branch wells and heat exchange pipes extending downwards in the main well in the vertical direction. The main well comprises a first well opening section and a second well opening section, the first well opening section extends downwards from the ground in the vertical direction to be communicated with an upper port of the second well opening section, a lower port of the second well opening section extends downwards in the vertical direction to a geothermal water layer, and an upper port of each branch well is communicated with the second well opening section. The lower port of each branch well obliquely and downwards extends to the geothermal water layer in the direction gradually away from the second opening well section; the vertical distances between the upper ports of the multiple branch wells and the ground are different, and a heat conduction metal stranded wire is arranged in each branch well in the extension direction of the branch well. The medium-deep geothermal well is designed to be of a multi-branch directional well structure, the heat conduction metal stranded wires are arranged in the branch wells in the extension directions of the branch wells, and therefore the geothermal energy taking capacity and the heat transfer efficiency of the stratum far away from the medium-deep geothermal well are greatly improved.

The invention discloses an electronic packaging heat dissipation substrate and a processing technology and application thereof. The electronic packaging heat dissipation substrate comprises a copper-clad diamond copper plate, a diamond sheet located on the copper-clad diamond copper plate and a first copper layer covering the diamond sheet. The copper-clad diamond copper plate comprises a diamond copper core material and a copper layer located on the surface of the diamond copper core material. The diamond copper core material and the copper layer form a composite board with a copper layer-core material-copper layer sandwich structure; and the copper-clad diamond copper plate, the diamond sheet and the first copper layer are connected into a whole through brazing. According to the electronic packaging heat dissipation substrate, the peeling and cracking risks can be reduced, and the problem of low heat transfer efficiency is solved.

The invention relates to the technical field of guanidine nitrate preparation, in particular to a method for preparing guanidine nitrate by a continuous dynamic tubular reaction process, which comprises the following steps: uniformly mixing dicyandiamide, target ammonium nitrate and target ammonium carbonate according to a mass ratio of 1: (1-3): (1-0.5); conveying the uniformly mixed material to a feeding section in a dynamic tubular reactor through a first conveying screw rod for mixing treatment, wherein the dynamic tubular reactor further comprises a heating section, a reaction section and a cooling section; sequentially conveying the target mixed material to a heating section for heating melting treatment, a reaction section for synthesis reaction treatment and a cooling section for cooling forming treatment through a second conveying screw rod to obtain an initial product; conveying the initial product into a cooling and crushing device for cooling and slicing to obtain a target guanidine nitrate product. According to the method disclosed by the invention, the mass and heat transfer efficiency can be improved, the online quantity and liquid holdup of the material are reduced, meanwhile, the raw material ratio and the reaction path are optimized, and the safety and the product purity are improved.

The invention discloses an efficient pulsating heat pipe air pre-heater gas stove, and relates to the technical field of gas stoves. The air pre-heater comprises an air pre-heater body, a pulsating heat pipe and an air supply pipeline, the pulsating heat pipe is embedded in an inner cavity of the air pre-heater body, and the bottom of the air pre-heater body communicates with the top of the air supply pipeline; the air pre-heater body comprises a heat insulation radiation cavity and an air pre-heating cavity. The heat transfer efficiency of the pulsating heat pipe is far higher than that of traditional metal heat conduction, heat of high-temperature flue gas can be rapidly absorbed, waste heat loss is reduced, the heat efficiency is improved, secondary air is heated through the air preheater, the temperature of the secondary air is increased, the combustion temperature is increased, gas combustion is more sufficient, emission of carbon monoxide and nitric oxide is reduced, and the energy-saving and environment-friendly effects are achieved. The pulsating heat pipe has the unique advantages of being small and exquisite in structure, flexible in arrangement and efficient in heat transfer, and the heat efficiency of the gas stove is effectively improved through the L-shaped pulsating heat pipe heat insulation air pre-heater structure.

The invention relates to the technical field of chemical automation control, and discloses an intelligent closed-loop control system for producing p-dichlorobenzene by a biomass method, which comprises a signal acquisition module, a residence time reconstruction module, a thermal coupling analysis module, a parameter self-adaptive scheduling module and an execution control module. The rheological characteristics of raw materials are monitored by collecting the current of a stirring motor, the liquid level is dynamically increased through a retention time reconstruction module to prolong the retention time of the materials, and a liquid level periodic migration strategy is introduced to prevent scaling of a gas-liquid interface; the thermal coupling analysis module and the parameter self-adaptive scheduling module are used for calculating thermal retardation post factors, temperature control parameters are corrected in real time, the upper limit of cooling output is limited, inner wall supercooling crystallization is prevented, and the problems that the conversion rate is reduced, the heat transfer efficiency is reduced and equipment is hung on the wall due to viscosity fluctuation of biomass raw materials are effectively solved. And the self-adaptive stable control of the reaction process is realized.

The invention discloses thermal insulation concrete and a preparation method thereof, and relates to the technical field of lightweight concrete. The preparation method comprises the following steps: firstly, depositing a carbon nano tube through a plasma enhanced chemical vapor deposition method, and optimizing the adhesive force of the carbon nano tube on the surface of basalt fiber; meanwhile, spraying citric acid is introduced and then reacts with urea to generate carbon quantum dots in high-temperature microwaves to form an uneven interface, particles are tightly combined and are not prone to falling off, the heat transfer efficiency is improved, and the heat preservation performance and the mechanical performance are improved; secondly, by utilizing the hydrophobicity of the modified nano silicon dioxide, the foam size is refined, and pores and nodes in a foam concrete net structure are filled; then, the modified basalt fibers, phenolic resin and a foam concrete system are compounded to form a three-dimensional structure, pores are filled, communicating pores before and after hardening are reduced, and the thermal insulation performance and the mechanical performance of foam concrete are both considered. The foam concrete prepared by the invention has the effects of heat preservation, heat insulation and high mechanical property.

The invention relates to the technical field of temperature control, in particular to an intelligent solar heat supply temperature management and adjustment system which comprises a thermal distribution modeling module, a thermal equilibrium optimization module, a fluid heat transfer design module, a dynamic layout adjustment module and an environmental factor coupling module. According to the method, through calculation based on solar radiation intensity and heat absorption parameters, a thermal distribution field is accurately established, a dynamic optimization basis is provided, thermal gradient differences are reduced, heat distribution balance is achieved, and through optimization of heat absorption coating covering density and pipeline layout, the heat energy transfer efficiency is improved, and local overheating and energy loss are reduced; pipeline distribution and fluid flow rate optimization are combined with heat transfer oil heat exchange performance, heat transfer efficiency is enhanced, radiation angles and layout parameters are dynamically adjusted, the solar energy absorption rate of the heat collection device is improved, output parameters are adjusted in real time in combination with environment temperature and wind speed, the capacity of the system for adapting to complex climate conditions is improved, and efficient and stable heat energy utilization is achieved.

The invention discloses a heat exchanger optimization method and device based on multi-source data, which are used for accurately identifying a local overheating area of a heat exchanger and effectively optimizing the local overheating area, so that the problem that the heat exchanger is damaged due to local overheating can be reduced, and the heat transfer efficiency and the operation stability of the heat exchanger are improved. The method comprises the steps that multi-source operation data and temperature gradient fluctuation data of the heat exchanger in the operation process are collected, wherein the multi-source operation data comprise fluid movement track data, centrifugal force distribution gradient data and flow velocity radial layering data; building a flow simulation model of the heat exchanger based on the multi-source operation data to generate a centrifugal force-flow velocity incidence matrix based on the spatial position; utilizing a random forest algorithm to extract coupling characteristics between the temperature gradient fluctuation data and the centrifugal force-flow velocity incidence matrix; identifying a local overheating area according to the coupling features; and optimizing the local overheating area by using a preset thermal compensation mechanism.

The utility model discloses a double-conveying direct cooling plate with a spiral capillary channel, the direct cooling plate comprises a structure substrate and a heat exchange cover plate which is overlapped and fixed on the structure substrate, the heat exchange cover plate is provided with a groove, and the groove is sealed by the structure substrate to form a heat exchange flow channel; the groove face of the heat exchange cover plate is provided with a plurality of spiral capillary conveying grooves in the flowing direction of a flow channel, the depth of each capillary conveying groove is 0.1-0.5 mm, and the width of each capillary conveying groove is 0.1-0.3 mm. And the runner is provided with a heat insulation layer on one surface of the structural substrate. According to the direct cooling plate, the spiral capillary channel structure is introduced to the wall face of the flow channel, the contact area of cooling liquid and the wall face is increased, a second conveying mode except the flow channel is provided, and therefore the heat transfer efficiency is remarkably improved. Meanwhile, the design can effectively relieve the formation of an air plug and avoid the occurrence of a heat dissipation dead point so as to adapt to battery packs of different types and powers and meet the temperature control requirements of the battery packs.

The invention relates to the technical field of chemical reaction equipment, in particular to a pulse intermittent water vapor bottom blowing coupling mechanical stirring enhanced mixing device which comprises a tank body, a sealing cover is mounted on the top surface of the tank body, a stirring assembly used for stirring the interior of the tank body is mounted on the sealing cover, the stirring assembly extends into the tank body, and the stirring assembly is connected with the tank body. An air outlet head is arranged at the bottom in the tank body, the air outlet head is communicated with a steam generation unit through an air supply pipe, and the steam generation unit is electrically connected with a pulse control unit used for sending variable frequency signals with adjustable pulse frequency to the steam generation unit. The steam injection frequency is controlled through the pulse control unit, the use amount of the steam is reduced, local high temperature generated by the system during continuous injection is avoided, the temperature is more uniform, meanwhile, convection can be further strengthened through nonlinear input, the periodic structure of the system is damaged, and the service life of the system is prolonged. And more chaotic flow regions are formed to enhance mixing and heat transfer efficiency, so that the production efficiency is improved, and the energy loss is reduced.

The invention discloses a heat exchanger and method for rare gas preparation, and relates to the technical field of heat exchangers, the heat exchanger comprises a heat exchange mechanism, the outer surface wall of the heat exchange mechanism is sleeved with a cleaning structure, the input end of the heat exchange mechanism communicates with a feeding mechanism, and an aeration mechanism is inserted into the inner surface wall of the heat exchange mechanism. In the cleaning process, the second air pump conveys outside air to the aeration ball, so that a large number of bubbles are formed in cleaning liquid, dirt is cleaned by means of tiny shock waves and high-speed micro jet flow generated during bubble movement and breakage, and the ultrasonic generator can release sound wave energy; the synergistic effect of bubbles and sound waves greatly improves the cleaning efficiency and effect, enhances the stripping capacity of dirt on the inner wall of the heat exchanger, ensures that rare gas is not polluted in the heat exchange process, maintains the high purity of the rare gas, keeps the inner wall of the heat exchanger smooth, and improves the heat transfer efficiency, so that the cooling or heating speed of the rare gas is increased, and the service life of the heat exchanger is prolonged. The efficiency of the whole preparation process is improved.

The invention belongs to the technical field of gravity dam construction, and provides an assembled concrete cooling pipe structure and method for gravity dam construction. The cooling pipe is composed of a plurality of pipe body units connected in series, and lining pieces are arranged in metal pipes of the pipe body units. The lining piece and the elastic steel sheets form a criss-cross cage type structure through the strip-shaped plates, the strip-shaped plates are provided with pitted surfaces and notches, the steel sheets can stretch out and draw back to achieve variable-diameter adjustment, and water flow can be forced to generate turbulent flow to damage the laminar flow bottom layer. The method comprises the steps of raw material pretreatment, notch and pitted surface machining, lining piece assembling, metal pipe assembling and fixing and pipe body unit series connection. The structure is stable, manufacturing is convenient, boundary layer thermal resistance can be reduced, heat transfer efficiency is improved, concrete temperature cracks are reduced, and the gravity dam construction requirement is met.

The utility model relates to the technical field of power batteries, and discloses a heating and cooling system integrated structure and a battery thermal management system, the heating and cooling system integrated structure comprises a refrigeration base material, a first insulating film, a heating core body and a second insulating film, the first insulating film is attached to the refrigeration base material, the heating core body is attached to the first insulating film, and the second insulating film covers the heating core body. As only one layer of insulating film is arranged between the heating core body and the refrigeration base material, compared with the prior art, the heat transfer medium between the heating core body and the refrigeration base material is less, and the heat transfer efficiency is high.

The invention relates to the technical field of heat exchanger flow channel form design, and discloses an intelligent optimization method and system for heat exchanger flow channel form design based on multi-source data, and the method comprises the steps: obtaining flow channel form data, and carrying out the iterative optimization to generate various layout candidates; turbulence effect simulation is carried out on the candidate schemes to obtain thermal performance indexes; performing multi-target evaluation and comprehensive ranking under a complex working condition, and selecting an optimal design scheme; analyzing the balance state of the heat transfer efficiency and the fluid resistance, and extracting form adjustment parameters; combining processing feasibility standard comparison, and screening to obtain a feasible layout subset; backtracking thermal performance and analyzing and manufacturing constraint fusion consistency to form an adjustment parameter set for verification; and finally, machining and performance matching are confirmed through simulation iteration, and diversified runner layouts suitable for complex working conditions are obtained. The method can solve the problem that the thermal performance and the manufacturing process constraint are difficult to consider in the runner design.

The invention relates to the technical field of evaporation equipment, in particular to a high-temperature linear evaporation source, a long linear evaporation source and a co-evaporation evaporation source. The high-temperature linear evaporation source comprises a shell and a nozzle arranged at the top of the shell, an evaporation cavity is formed in the shell, and the nozzle is communicated with the evaporation cavity; at least one first topological pipe is arranged in the evaporation cavity, the two ends of the first topological pipe are connected with the cavity wall of the evaporation cavity, and at least one first heating device is arranged in the first topological pipe; the lower portion of the evaporation cavity is used for containing evaporation materials. According to the high-temperature linear evaporation source, by arranging the first topological pipe, the heat transfer efficiency and the heat utilization efficiency are effectively improved, and the problem that metal steam is condensed on the nozzles is effectively solved.

The invention provides a radiation refrigeration plate combining a sky radiation refrigeration material and a plate heat exchanger, and relates to the technical field of refrigeration, the radiation refrigeration plate comprises a sky radiation refrigeration material layer, a plate heat exchanger assembly, a fan cover layer and a heat insulation material layer, the sky radiation refrigeration material layer has high reflectivity in a solar spectrum wave band and has high emissivity in an atmospheric window wave band, and the plate heat exchanger assembly has high reflectivity in a heat insulation material layer; and heat can be efficiently radiated to the outer space. The plate heat exchanger assembly comprises an enhanced heat exchange tube and a nanofluid, and the nanofluid is filled in the enhanced heat exchange tube and used for heat transfer and transport capacity and enhancing the heat exchange effect. And the fan cover covers the sky radiation refrigeration material. The heat insulation material layer is laid on the portion, except the top face, of the radiation refrigeration plate so as to reduce heat loss of the system to the surrounding environment, and the refrigeration effect is guaranteed. By means of the structure, working modes in the daytime and at night are achieved, the heat transfer efficiency of the system is greatly improved, energy consumption is reduced, and the efficient radiation refrigeration effect of all-weather continuous operation at the temperature lower than the environment temperature is achieved.

The invention discloses a liquid cooling system, a liquid cooling system control method and electronic equipment, and relates to the technical field of equipment heat dissipation. According to the invention, the double-phase cooling medium with low conductivity is adopted, so that leakage and conduction of the cooling medium are avoided; the power supply module is contained in the shell, and the power supply module is cooled through sensible heat of the two-phase cooling medium, so that the two-phase cooling medium is converted into a saturated liquid state after absorbing heat; the cold plate assembly is attached to the power consumption module of the electronic equipment to be cooled, heat dissipated by the power consumption module is transferred to the flowing biphase cooling medium in the saturated state, the biphase cooling medium is subjected to phase change, and the power consumption module is cooled through biphase latent heat of vaporization with the highest heat exchange efficiency. Therefore, according to the scheme, the heat dissipation characteristics of all the components and the absorption potential of the two-phase cooling medium are combined, the heat dissipation requirements of the power supply module and the high-power power consumption module are considered, the problem that the heat dissipation capacity of the system cannot meet the heat dissipation requirement is solved, the heat dissipation efficiency is high, and the effect is good.

According to the mass concrete temperature field self-adaptive thermoelectric coordinated regulation and control system and method, the temperature difference between the inside and the outside of mass concrete is reduced through active directional heat transfer and self-adaptive thermal resistance regulation. The flexible thermoelectric thin film device prepared by the invention has high flexibility, high thermoelectric efficiency and strong environmental adaptability, and can meet the temperature control requirement of mass concrete, and the manufacturing process is compatible with the existing microelectronic processing technology, so that the flexible thermoelectric thin film device has large-scale production potential; the flexible thermoelectric device is attached to the surface of concrete, directional transmission of heat between the concrete and the thermoelectric module from a high-temperature area to a low-temperature area is achieved by switching the current direction through the Peltier effect, temperature balance is achieved completely through the active thermoelectric effect and passive heat conduction optimization, the temperature lag and durability defects of a phase change material are avoided, and the service life of the concrete is prolonged. And the heat transfer efficiency is improved through the heat conductivity coefficient gradient and the thermally induced variation characteristic of the gradient heat conduction interface material layer.

The invention belongs to the technical field of industrial equipment state monitoring and fault diagnosis, and particularly relates to a plate-type evaporator scaling state online monitoring and early warning system which comprises a data acquisition module, a data processing module, an abnormal reason judgment module and a risk early warning module. Different performance abnormity inducements such as scaling, non-condensable gas accumulation and mechanical change can be effectively distinguished, and the method has localized abnormity positioning and multi-factor intelligent traceability capabilities, so that misjudgment can be remarkably reduced; the actual heat transfer efficiency and on-way resistance are obtained through calculation, a comprehensive abnormal value and linear weighted fusion are constructed through a threshold exceeding degree, and visual support of scaling degree grading and a development trend is provided in combination with a time sequence change trend, so that an operator can scientifically plan shutdown cleaning time according to the scaling development trend.

The invention provides a method for continuously synthesizing 2-thiophenecarboxaldehyde by using a continuous flow reactor, and relates to the technical field of organic synthesis, and the method comprises the following steps: mixing thiophene and N, N-dimethylformamide (DMF) to form a material A; continuously inputting the material A and phosphorus oxychloride (POCl3) into a micro-channel continuous flow reactor through a high-pressure feeding pump, and controlling the reaction temperature to be 60-150 DEG C and the retention time to be 0.5-5 minutes; synchronously inputting the reaction liquid output by the micro-channel reactor and a sodium hydroxide aqueous solution into a dynamic tubular reactor, and carrying out hydrolysis reaction at 10-70 DEG C for 0.5-5 minutes; according to the method, the 2-thiophenecarboxaldehyde is obtained by extracting the 2-thiophenecarboxaldehyde by using dichloromethane (DCM), and a continuous flow reactor technology is adopted, so that the reaction efficiency is remarkably improved. Compared with the traditional batch reaction, the continuous flow reactor has higher mass transfer and heat transfer efficiency, can realize rapid reaction, shortens the reaction time, and improves the product yield at the same time.

According to the technical scheme, the vehicle-mounted dual solid-state hydrogen storage device is characterized by comprising a shell; a first hydrogen storage bottle and a second hydrogen storage bottle are arranged on the shell; a first heat conduction mechanism is arranged in each of the first hydrogen storage bottle and the second hydrogen storage bottle; the cylinder valve is used for controlling the gas circulation state; the cylinder valve is arranged at the end part of the first hydrogen storage cylinder; the second heat conduction mechanism can be externally connected with a cooling device to exchange heat; one end of the second heat conduction mechanism is connected with the first hydrogen storage bottle, and the other end of the second heat conduction mechanism is connected with the second hydrogen storage bottle; the novel integrated vehicle-mounted solid hydrogen storage device can be conveniently and quickly inserted and pulled out, the vibration resistance of vehicle application is improved, and the device has the advantages that the heat conduction performance can be improved, so that the heat transfer efficiency is improved.

According to the motor, the power system based on the motor and the adjusting method, convex ribs are arranged on an end plate of a rotor, the rotor is used for driving the convex ribs to rotate and driving cooling lubricating oil to form forced circulation in an air gap, the heat transfer efficiency of the rotor and a stator is remarkably enhanced, and the temperature rise of the rotor and the demagnetization risk of a permanent magnet are effectively controlled; meanwhile, the lubrication condition of moving parts is improved, and energy consumption and complexity caused by an extra oil pump are avoided; through the integrated design of the motor shell and a half box body of the gear box and the communicating oil duct of the sealing plate and the gear box, a shared lubricating system is constructed, cooling lubricating oil circulation sharing and heat dissipation cooperation are achieved, the overall structure is simplified, and the system reliability is improved; on the premise that the size and the weight are not increased basically, the comprehensive benefits of improving the heat dissipation performance, simplifying the system structure and reducing the manufacturing cost are synchronously achieved, and the power module is particularly suitable for application scenes with limited space and high power density requirements.

The invention belongs to the technical field of heat dissipation of high-power-density electronic devices, and relates to a topological cold plate and vapor chamber integrated structure which comprises a cover plate, a first heat exchange plate and a second heat exchange plate which are sequentially overlapped from top to bottom and are connected in a sealed mode to form the integrated structure, and a cooling cavity used for containing a liquid working medium is defined between the cover plate and the first heat exchange plate. A phase change cavity used for containing a two-phase heat transfer working medium is defined between the first heat exchange plate and the second heat exchange plate, the cooling cavity and the phase change cavity are independent of each other, and heat transfer is achieved through the solid metal wall face of the first heat exchange plate. During use, the second heat exchange plate is attached to an electronic device, heat generated when the electronic device works is transferred to the second heat exchange plate, so that the two-phase heat transfer working medium in the phase change cavity is evaporated to generate steam, and the steam is diffused in the phase change cavity, then is in contact with the upper wall surface, is condensed when encountering cold and releases latent heat; heat is conducted to the cooling cavity through the first heat exchange plate to be absorbed by the liquid working medium. The structure is compact, the temperature equalizing performance is enhanced, and the heat transfer efficiency is improved.

The Archimedes spiral radiating pipe comprises an Archimedes spiral round pipe, two ports of the Archimedes spiral round pipe are an inlet and an outlet respectively, the structure imitating the phoenix tree leaf shape is arranged on the inner wall face of the Archimedes spiral round pipe, the structure is composed of center peaks and side peaks which are distributed alternately, and the center peaks and the side peaks are distributed alternately. The peak top of the central peak is higher than the peak top of the side peak, the height difference between the peak top of the central peak and the peak top of the side peak is equal to the height difference between the peak top of the side peak and the peak valley, and the central peak and the side peak are connected through a parabola to form alternately distributed grooves. The contact area of fluid and the inner wall face is increased, and fluid disturbance is enhanced. Therefore, the fluid can be uniformly distributed in the flowing process, a flowing dead zone is avoided, the pressure loss is reduced, meanwhile, the thermal resistance and the pressure drop are optimized, the heat dissipation requirement of a high-power-density electronic device is met, and the problems of low heat exchange efficiency, fluid retention, high thermal resistance and the like in the prior art are solved.

The invention relates to the technical field of plate surface heating, in particular to a heat exchange roller with high heat exchange efficiency, which comprises a contact cylinder, a sealing plate, an oil inlet and an oil outlet, and further comprises a buffer structure and an oil way dispersion structure, the oil way dispersing structure is arranged between the contact cylinder and the buffering structure and used for evenly distributing heating oil on the inner wall of the contact cylinder. The problems that when an existing oil heat exchange roller is used, the heating efficiency is low, and the temperature difference of the outer side wall of the heat exchange roller is large and unstable are effectively solved. The heat exchange roller adopts the dispersion flow channel composed of the inner cylinder, the boundary plate, the flow guide plate and the through holes, heating oil in the heat exchange roller can be dispersed, the dynamic balance error is smaller when the roller is started or stopped, through the design of the flow channel on the inner side of the contact cylinder, inlet oil and outlet oil are tightly attached to the inner wall of the contact cylinder to exchange heat in a countercurrent mode, and the heat exchange efficiency is improved. The heat transfer efficiency of oil and the contact cylinder is improved, and meanwhile the temperature of the roller wall is more uniform.

The invention relates to a comprehensive optimization method and system for thermal conductive plastic performance in the technical field of new materials, and the method comprises the following steps: obtaining initial dispersion state data of an inorganic filler in thermal conductive plastic, and analyzing spatial distribution of filler particles through a scanning electron microscope to obtain characteristic parameters of random distribution of the filler; according to the characteristic parameters of the random distribution of the filler, calculating the heat transfer efficiency among filler particles by adopting a finite element simulation method, and determining the distribution rule of the phonon scattering phenomenon; according to the improved interface bonding strength parameters, the Monte Carlo method is adopted to simulate orientation distribution of filler particles in a matrix, and a preliminary scheme of filler orientation control is obtained; for optimization parameters of complex mold forming, a particle swarm optimization algorithm is adopted to adjust the filler proportion and distribution, and the structure configuration of the efficient three-dimensional heat conduction network is generated; and according to the structure configuration of the efficient three-dimensional heat-conducting network, the improvement degree of the heat-conducting plastic performance is analyzed and verified through a heat-conducting finite element, and final heat transfer efficiency data is obtained.

The invention relates to the technical field of new energy automobiles, and provides a new energy automobile battery heat dissipation management method and system, and the method comprises the steps: building a thermal regeneration model based on battery electric heating parameters, environment parameters and heat dissipation system state parameters which are collected in real time, and generating a battery heat dissipation instruction; in combination with the driving destination mileage of the new energy vehicle, grading execution is performed after the battery heat dissipation instruction is scored through an improved deep Q network model; the heat transfer efficiency of a liquid cooling system, the power consumption of a heat dissipation system and the degradation degree of a three-dimensional temperature distribution field of a battery are calculated in real time after grading execution, and when three continuous set execution cycles meet set conditions, the liquid cooling plate is triggered, selected and executed to be divided into micro-fluidic units, the flow distribution ratio of cooling liquid is solved, and a local flow field is reconstructed. Or the effective heat conductivity coefficient is recognized through the electrolyte impedance spectrum, the phase change material is triggered to be released or removed, and dynamic optimization is carried out on battery heat dissipation management. According to the invention, accurate management and dynamic optimization of heat dissipation of the new energy automobile battery can be realized.