59 results about "Thermal methods" patented technology

The invention provides a centralized heating method and system based on room temperature feedback regulation, and the method comprises the steps: collecting and verifying real-time room temperature data, and generating a room temperature feedback signal; the signals are transmitted to a central control unit for sequential processing, and a temperature-time two-dimensional data matrix is generated; a preset dynamic compensation algorithm is used for calculating a heat demand correction value of each heat supply pipe network key node; the heat supply pipeline flow is dynamically adjusted according to the correction value; and verifying the effect through a closed-loop feedback mechanism and optimizing algorithm parameters. According to the method, a network is constructed to realize multi-node synchronous acquisition and verification, and heat distribution heterogeneity and fluctuation characteristics are captured in combination with matrix processing and interpolation completion. Compared with a traditional single-point sensor, according to the scheme, through two-dimensional mapping and anomaly detection, the adjustment response time is shortened to the sampling period level, the temperature deviation calculation precision is improved to + / -0.1 DEG C level, the overheating-underheating alternating phenomenon is solved, and accurate dynamic matching of the heat demand correction value is achieved.

The invention discloses a heat pump waste heat recovery cooperative heat supply method and system, and relates to the technical field of intelligent heat supply control, and the method comprises the steps: collecting environment data and heat pump operation data through a sensor, and carrying out the data preprocessing; modeling the operation state of the heat pump system by using a gradient lifting tree algorithm, constructing a heat pump load prediction model, and outputting load prediction; in combination with the load prediction result and the heat pump operation data, a collaborative heat supply strategy is obtained through an optimization algorithm; and waste heat recovery scheduling is carried out according to the load prediction result and the current waste heat recovery condition. According to the method, the accuracy and the real-time performance of load prediction can be remarkably improved, heat source configuration and heat supply requirements are highly matched, the waste heat utilization rate is improved to the maximum extent, power consumption is reduced, meanwhile, the indoor comfort degree and the system operation stability are guaranteed, finally, the operation cost is remarkably reduced, and the service life of equipment is prolonged.

The invention relates to the technical field of transformer intelligent monitoring and heat dissipation control, in particular to a transformer system based on intelligent monitoring and self-adaptive heat dissipation and a transformer heat dissipation method, and the system comprises an intelligent monitoring module which is used for collecting physical quantity data in the operation process of a transformer in real time through a sensor; the data processing and analyzing unit is used for receiving the data transmitted by the intelligent monitoring module and establishing a transformer operation state model; the self-adaptive heat dissipation control module is used for receiving the operation state analysis result and dynamically adjusting operation parameters of the heat dissipation system based on a temperature threshold value and a load rate; and the fault early warning and diagnosis module is used for establishing an operation state evaluation model and a fault prediction model by adopting a machine learning algorithm, receiving an operation state analysis result and comparing the operation state analysis result with an early warning threshold value. Accurate monitoring, self-adaptive heat dissipation and fault early warning of the transformer are achieved, stable operation is guaranteed, and energy consumption is reduced.

The invention discloses a selective laser melting high-temperature preheating device with high-precision temperature control. The selective laser melting high-temperature preheating device comprises a laser; a forming cylinder; the piston is arranged in the forming cylinder in a lifting manner; the mounting plate is arranged on the piston, and a first accommodating groove is formed in the top surface of the mounting plate; the heating plate is arranged in the first accommodating groove and is provided with a heater; the forming base plate is arranged above the heating plate and is provided with a temperature sensor; the cooling mechanism is used for cooling the piston, the mounting plate, the heating plate and the forming base plate; a heat insulation plate is arranged between the bottom wall of the first containing groove of the installation plate and the heating plate. The invention further discloses a selective laser melting high-temperature preheating method with high-precision temperature control. Through the mode, the problem of cracking caused by overlarge temperature gradient in the SLM forming process is solved, the problems of low preheating temperature, low cooling speed and inaccurate temperature control of the formed substrate are also solved, the powder laser absorptivity can be improved to a certain extent, the scanning speed is increased, and the production efficiency is improved.

The invention discloses an intelligent heat dissipation method and system for case heat dissipation, and belongs to the technical field of server case heat dissipation, and the intelligent heat dissipation method comprises the following steps: S1, arranging a heat detection unit and a diversion unit in a case; s2, acquiring real-time temperature information in the case, comparing the real-time temperature information with a temperature threshold value to judge whether a hot spot appears or not, and if the hot spot appears, turning to step S3; s3, confirming a hot spot coordinate, reconstructing a cold air conveying path, and calculating to obtain deflection angle information of the flow guide unit; and S4, the flow guide unit conducts corresponding deflection, cold air conveying path reconstruction is completed, and meanwhile the system capable of achieving the method is provided. According to the intelligent heat dissipation method and system for heat dissipation of the case, the cold air conveying path in the case is reconstructed, so that targeted efficient heat dissipation is carried out on the hot spot position in the case, energy consumption waste is avoided, and the heat dissipation efficiency is improved.

The invention relates to a water heater fixed-point preheating method and system based on self-learning user habits. The water heater fixed-point preheating method comprises the following steps that S1, historical data of all water consumption points of a user under the zero cold water condition are continuously obtained; s2, updating the preference score of each water consumption point based on the historical data of each water consumption point; s3, comparing the preference scores of the water consumption points, and determining the water consumption point with the highest score as a target water consumption point; and S4, a user instruction is received, and a water heater is controlled to conduct fixed-point preheating on a water using pipeline corresponding to the target water using point. According to the method, intelligent fixed-point preheating under the condition of non-specified water consumption points is realized in a mode of intelligently learning user habits, so that excessive preheating is avoided, the energy loss is further reduced, and the use experience of the user is improved.

The application belongs to the technical field of control system, and particularly relates to a composite heating method and system for starting and running of a molten salt pipeline, which comprises a resistance electric heat tracing band evenly laid along the outer wall of a pipeline to be heated, and an electromagnetic induction heat tracing device arranged on a set pipe section of the outer wall of the pipeline at a specific interval; when the pipeline is in an empty pipe state, the resistance electric heat tracing band is started, and the whole pipeline is heated to a first preset temperature higher than a solidification point of molten salt according to a pipe wall temperature; when the whole pipeline temperature reaches the first preset temperature and is maintained for a set time, and the temperature field stability condition and the heat preservation duration condition are met, molten salt is injected into the pipeline, then the resistance electric heat tracing band is turned off, and the electromagnetic induction heat tracing device is started; at this time, the molten salt medium temperature at the outlet of the pipeline is taken as a control target, and the temperature of the molten salt in the pipeline is maintained at a higher second preset temperature by independently adjusting the power of each distributed electromagnetic induction heat tracing device. Through coupling of the heating mode and the medium state, a balance is achieved among safety, energy consumption and temperature control.

The invention relates to the technical field of metal material performance detection, and discloses a method for detecting ductile-brittle transition temperature of a metal material based on a thermal method. The method comprises the following steps: acquiring the average grain size of a material through three-dimensional characterization, quantitatively estimating the movable dislocation density generated by grain boundary thermal activation emission at a specific temperature in combination with a preset dislocation emission coefficient, and linearly superposing the movable dislocation density with the inherent pre-stored movable dislocation density of the material to obtain a total movable dislocation density estimated value. And comparing the total movable dislocation density calculated at different temperatures with the ductile-brittle transition critical threshold obtained from the material knowledge base to determine the critical temperature meeting the condition, namely the ductile-brittle transition temperature. According to the method, the mechanical prediction of the ductile-brittle transition temperature is realized by quantifying the contribution of a key dislocation source from a plastic deformation microphysical mechanism, and the dependence of a traditional method on a large number of destructive experiments is reduced.

This invention discloses an open, non-contact liquid heating method, comprising: collecting temperature data of multiple points of dialysis fluid and heating unit, and obtaining flow rate deviation and temperature sensor consistency deviation indices during dialysis fluid infusion; preprocessing the temperature data to obtain a stable multi-source temperature data sequence; fusing the multi-source temperature data to obtain the dialysis fluid characterization temperature, and analyzing it in conjunction with temperature change characteristics, flow rate deviation, and temperature sensor consistency deviation indices to construct a system state characterization quantity; identifying the heating stage based on the system state characterization quantity, using the dialysis fluid characterization temperature as the control target, generating heating control quantities according to the heating stage, and introducing compensation corrections when the flow rate changes; performing anomaly detection based on the system state characterization quantity, and jointly judging it in conjunction with the flow rate deviation and temperature sensor consistency deviation indices, generating anomaly scores based on the judgment results, and outputting corresponding hierarchical control strategies.

A laminate cooling structure performance optimization method adaptive to uncertainty analysis comprises the following steps: firstly, establishing a parameterized finite element model of a flame tube laminate cooling structure, and realizing flow heat exchange mechanism analysis of the laminate cooling structure by adopting a solid-thermal coupling mode; carrying out a DOE experiment by using Latin hypercube sampling LHS, generating a parameter set, importing the parameter set into a parameterized finite element model, obtaining a data set of a training proxy model BP-NN by combining a laminate cooling structure solid-heat coupling heat exchange method, and carrying out uncertainty quantification in a design space of the parameters of the laminate cooling structure by using an MC simulation method; using a Sobol sensitivity analysis method to analyze the uncertainty of the laminate cooling structure; the training agent model is combined with a multi-target particle swarm optimization algorithm to carry out multi-target optimization on the laminate cooling structure parameterization, and a laminate cooling ideal structure is found in the Pareto frontier; according to the method, the calculation cost and time of uncertainty analysis are reduced, and the calculation cost of laminate cooling uncertainty analysis is greatly reduced.

The invention discloses a dynamic matching heat supply method and device based on heat load prediction and a medium, and the method comprises the steps: obtaining real-time environment data and historical heat supply data of a target heat supply area to construct a multi-dimensional data source, inputting the multi-dimensional data source to a pre-trained long-short-term memory network model, and outputting a heat load prediction value in a future designated time period; real-time heat data of a municipal heat source is obtained, and a municipal heat source flow adjusting instruction and an air source heat pump output adjusting instruction are generated based on a preset heat source matching algorithm; the municipal heat source flow adjusting instruction is sent to a flow adjusting executing mechanism in a municipal heat supply pipe network to control the heat supply amount of a municipal heat source, and an air source heat pump output adjusting instruction is sent to an air source heat pump control unit to control the start-stop state and the heating output power of an air source heat pump; and the real-time heat supply amount of the municipal heat source and the air source heat pump is monitored in real time, and the real-time heat supply amount is compared with the heat load predicted value to adjust the municipal heat source flow adjusting instruction and the air source heat pump output adjusting instruction.

The application discloses a linkage heating method, device, equipment and medium of an air conditioner and a third-party heat source. The method comprises the following steps: determining a current heating mode according to received control information; if the current heating mode is linkage heating, controlling the air conditioner equipment and the third-party heat source to perform linkage heating according to a current indoor temperature and a set temperature; and if the current heating mode is single heating, controlling the air conditioner equipment or the third-party heat source to perform single heating according to a preset balance point temperature, the current indoor temperature and an obtained outdoor temperature. The method can solve the problem that the working of a heating equipment cannot be effectively coordinated in the prior art.

The application discloses an adiabatic accelerating calorimetry method with fast reaction heat loss correction. The application realizes more accurate calculation of sample reaction kinetics and thermodynamics by compensating the convection and conduction heat loss in the fast reaction stage; differential equations are derived and solved from the perspective of heat balance by using heat transfer analysis; a new heat loss calibration mode is added, the HWS heating stage is divided into two parts, the convection heat loss coefficient is calibrated by tracking the reaction system temperature by controlling the cover temperature in the first part, and the conduction heat loss coefficient is calibrated by controlling the constant temperature of the furnace body in the second part; the linear fitting and interpolation method are used to solve the relationship between the heat loss coefficient and the temperature in the reaction process; and finally, the heat loss in the reaction process is integrated to compensate the sample heat release. The application improves the accuracy and reliability of the solution of thermodynamic and kinetic parameters.

The application relates to the technical field of chemical heat storage, in particular to a low-grade heat upgrading chemical heat storage system and a heat storage method, which comprises the following: a humidifying atomizer connected with a low-grade wastewater conveying pipe and a compressed air conveying pipe; a preheater connected with the humidifying atomizer; one end of a first packed bed module connected with the preheater through a second valve; one end of a second packed bed module connected with the preheater through a seventh valve; the other end of the second packed bed module connected with the other end of the first packed bed module through a fourth valve; the first packed bed module adapted to be used as an adsorption bed layer or a desorption bed layer, and correspondingly, the second packed bed module adapted to be used as a desorption bed layer or an adsorption bed layer. The first packed bed module and the second packed bed module are alternately used as the adsorption bed layer and the desorption bed layer respectively; the efficient continuous heat chemical reaction storage / release process is realized; the low-grade waste heat upgrading maximization is realized; and the defect of discontinuous heat chemical storage is solved.

The invention belongs to the technical field of trough type solar thermal power generation, and discloses a medium-free preheating method and system for a trough type heat collector, which are suitable for a trough type photo-thermal power station taking fused salt, heat-conducting oil and the like as heat collecting media and can be applied to preheating before the heat collector is put into operation for the first time, restarting preheating after maintenance and conventional preheating scenes in a low-temperature environment. The invention further discloses a medium-free preheating system for the trough type heat collector, the medium-free preheating system is used for achieving the corresponding medium-free preheating method, the medium-free preheating system comprises a trough type heat collector body, a driving control system, a medium injection unit, a temperature monitoring device and an irradiation sensing unit, and all the components are connected through signal lines or pipelines to cooperatively complete the preheating and medium injection process. The invention further discloses a temperature monitoring device of the medium-free preheating system for the groove type heat collector, the temperature monitoring device comprises a temperature sensing module, a signal transmission module and a data processing module, a distributed arrangement mode is adopted, and the temperature monitoring device is used for collecting multi-point temperature data of the pipe wall of the heat collecting pipe in real time and providing a reliable basis for regulation and control in the preheating process.

An intelligent warm-up method of machine tool, applicable to a machine tool, includes: a step of, based on temperature change data and thermal displacement data of a spindle measured at different time points, establishing a thermal compensation model; a step of, while the machine tool performs a warm-up process, inputting temperature change values measured at least one component of the machine tool at intervals to the thermal compensation model to obtain corresponding thermal-displacement estimated values of the spindle at different time points and changes of thermal displacement values at individual time points; and, a step of, based on the changes of the thermal displacement values at the individual time points, deriving corresponding warm-up completion degrees.

The embodiment of the invention provides a heating method and device and a storage medium, and the method is applied to heating equipment and comprises the steps that initial heating power is determined according to the target weight of a to-be-heated target; acquiring a temperature difference value between the real-time temperature of the target to be heated and the target temperature; under the condition that the heating equipment is in a first mode, target heating power is determined according to the temperature difference value and the initial heating power; and heating the target to be heated to the target temperature based on the target heating power. Therefore, the initial heating power is determined according to the weight of the to-be-heated target, the heating power is adjusted based on the temperature difference value between the real-time temperature and the target temperature, the heating power is dynamically adjusted, the heating efficiency is improved, and energy is saved while the to-be-heated object is prevented from being excessively heated.

The distribution heat preservation container comprises a heat preservation container body, a sealing cover and a heat insulation assembly, and the heat insulation assembly comprises a heat insulation plate, a reset assembly and a sealing plate; the inner surface of the heat insulation plate is fixedly connected with a plurality of reset assemblies, and the movable ends of the reset assemblies are fixedly connected with sealing plates. A heat preservation inner bin is connected to the inner wall of the heat preservation container body in a clamped mode, and a heat preservation assembly is arranged on the periphery of the heat preservation inner bin. Saline water ice bags with a plurality of temperature control grades are placed in the container, so that one-container multi-temperature co-distribution transportation is realized. According to the distribution heat preservation method of the distribution heat preservation container, the distribution distance, time, environment temperature and food target storage temperature information are collected, the optimal saline water concentration is calculated through a built-in database and an algorithm model, it is ensured that the freezing point of an ice bag is highly matched with the needed temperature interval, and the accuracy of cooling capacity use is improved; and through intelligent matching and injection adjustment of the concentration of the saline ice bags, the precision and efficiency of cold chain distribution are effectively improved.

Heat storage system (100) comprising a container (102) for receiving storage material (104), a sensible heat transfer device (106) for direct heat transfer from the storage material (104) to a heat transfer fluid (112) or vice versa, and a latent heat transfer device (108) for transferring latent heat from the storage material (104) to a heat transfer fluid (112) or vice versa, wherein the sensible heat transfer device (106) and the latent heat transfer device (108) are arranged in or on the same container (102) of the heat storage system (100), - wherein the latent heat transfer device (108) comprises a temperature lowering device (134) for lowering the temperature of a heat transfer fluid (112) and a temperature raising device (124) for raising the temperature of a heat transfer fluid (112); and / or - wherein the latent heat transfer device (108) comprises a temperature increase device (124) for increasing the temperature of a heat transfer fluid (112) and wherein the temperature increase device (124) is movably arranged relative to a wall (172) of the container (102) by means of a movement device (170) of the heat storage system (100).

The invention discloses a circulating type efficient heat exchanger and a heat exchange method thereof, and relates to the technical field of heat exchangers, the heat exchanger comprises a plurality of groups of heat exchange units connected in series, and each unit is provided with a heat exchange box, a heat exchange pipe, a steam flow guide assembly, a pressure regulating assembly and a pressure regulating air outlet assembly. The steam outlet flow is controlled through the pressure regulating assembly, a high-pressure environment is formed in the heat exchange box, the steam saturation temperature is increased, the temperature difference between the steam and a heat exchange medium is increased, and therefore the heat exchange efficiency is improved. The temperature sensing assembly monitors the medium temperature in real time, the pressure adjusting assembly and the pressure sensing movable assembly are linked, the pressure adjusting air outlet assembly is driven to move and rotate along the heat exchange pipe, a condensate water film is removed, and heat resistance is prevented from being increased. The system realizes segmented accurate control of steam pressure and gradient utilization of energy, has the advantages of high heat exchange efficiency, strong self-cleaning capability, stable operation and the like, and is suitable for energy-saving transformation and efficient operation of an industrial heat exchange system.

The invention relates to the technical field of heat supply engineering, in particular to an intelligent heat supply method and system. The method comprises the following steps that outdoor meteorological parameters and multi-dimensional operation data of a heat source, a heat supply pipe network, a heating station and a user terminal are collected in real time; preprocessing the collected data, and executing abnormal value elimination and data standardization processing; thermal load prediction is carried out based on the processed data, energy efficiency optimization is carried out, and a control instruction is generated according to time; and after receiving and executing the control instruction, the intelligent execution layer feeds back an execution effect, and the cloud intelligent analysis platform compares a deviation between the execution effect and a prediction result and dynamically adjusts the control instruction. Through intelligent sensing, analysis, decision making and execution, the actual heat supply requirement of a user can be accurately matched, the stability and reliability of the heat supply process can be guaranteed while the energy efficiency of the system is improved and the operation cost is reduced, and the intelligent management level and comprehensive benefits of the heat supply system are comprehensively improved.

The invention discloses a heat supply system and a heat supply method, and belongs to the technical field of heat supply. The heat supply system comprises a plurality of heat pump modules, a water distribution device and a water collection device. Each heat pump module comprises a first heat exchange pipe, a first pipeline, a second heat exchange pipe and a second pipeline; in the same heat pump module, the first heat exchange pipe and the first pipeline are adjacently arranged for heat exchange, the second heat exchange pipe and the second pipeline are adjacently arranged for heat exchange, and the first pipeline and the second pipeline are adjacently arranged for heat exchange; the water distribution device is communicated with the first heat exchange pipe of each heat pump module; and the water collecting device is communicated with the second heat exchange pipe of each heat pump module. According to the heat supply system, the multiple standardized heat pump modules which can operate independently are arranged, and the heat pump modules are connected in parallel through the water distribution device and the water collection device, so that the capacity of the heat supply system can be flexibly expanded according to actual requirements.

The application discloses a method for estimating radioactivity concentration of desalinated water of a nuclear energy seawater desalination device, which comprises the following steps: firstly, according to the technological process of the nuclear energy thermal method seawater desalination device, the flowing direction of the medium and the migration direction of the radioactive substances are sorted out; then, according to the approach of the radioactive substances entering and removing in the intermediate loop fluid, the nuclide balance equation of the intermediate loop fluid is established, and then the radioactivity concentration calculation model of the intermediate loop water and the radioactivity concentration calculation model of the flash steam of the flash tank are obtained; then, according to the technological scheme of the MED device, the radioactivity concentration calculation model of the steam and the condensed water generated by each heat exchanger is established; then, the radioactivity level of the steam and the condensed water generated by each heat exchanger of the MED is calculated; finally, whether the desalinated water can meet the radioactivity control index is evaluated. The method can accurately calculate the radioactivity activity concentration of the desalinated water, and provides a reliable basis for the safety evaluation of the nuclear energy thermal method seawater desalination device.

The application discloses a water-cooling heat dissipation method, system and device based on modular design, and belongs to the technical field of water-cooling heat dissipation, and comprises the following steps: analyzing the blockage coefficients of water-cooling heat dissipation modules, determining the blockage information of the water-cooling heat dissipation modules, determining the first blockage adjustment execution strategies of the water-cooling heat dissipation modules, recording corresponding water-cooling heat dissipation modules as first adjustment modules after the first blockage adjustment execution strategies are executed, determining the second blockage adjustment execution strategies of the first adjustment modules, recording corresponding modules as lag monitoring modules when the blockage information of the water-cooling heat dissipation modules is slight blockage or severe blockage, and determining the lag adjustment execution strategies of the lag monitoring modules. The application improves the heat dissipation efficiency and operation stability of the system, avoids heat accumulation and local overheating, prolongs the service life of equipment, and enhances the comprehensiveness and response speed of the heat dissipation system.

A method of preheating a substrate (200), in particular a metal substrate (200), by irradiation with a laser beam (L) for an additive manufacturing process is provided. The method comprises: detecting an actual temperature of the substrate (200), in particular by means of a thermal imaging camera (50); determining a motion parameter describing a relative motion between the laser beam (L) and the substrate (200) based at least on the detected actual temperature; and moving the laser beam (L) and the substrate (200) relative to each other at least as a function of the determined motion parameter, the incidence point (A) of the laser beam (L) being moved along the surface (201) of the substrate (200) to be irradiated.

The invention discloses a hydrothermal reaction device based on a rotating magnetic field. The invention discloses a hydrothermal reaction device based on a rotating magnetic field. The hydrothermal reaction device comprises a reaction kettle, a coil, a silicon steel sheet iron core, an annular eddy current heating body, an inner sleeve barrel, a lining, a kettle cover and a stirrer, and the kettle cover is provided with a temperature and pressure sensor connector and a stress application rod through hole. Alternating current is introduced into the coil to generate a rotating magnetic field, the rotating magnetic field generates eddy current in the annular eddy current heating body to generate heat, so that the reaction kettle is heated, and meanwhile, the rotating magnetic field can drive the magnetic stirrer to stir and play a special role in electromagnetic stirring and directional growth on some magnetic reaction substances; the diffusion and directional crystallization process can be promoted, and the material growth mode is changed. The hydrothermal method and solvothermal method material synthesis device is of great significance to preparation of new materials with special structures and properties.

The invention provides a pulse current targeted heat compensation method and device based on local electromagnetic induction heating, and relates to the technical field of heat treatment of metal materials for rail transit. An induction coil assembly is used for heating the special-shaped steel rail until the temperature reaches 800 DEG C, a thermal infrared imager is used for recording and generating temperature distribution diagrams of the tread and the side face of the special-shaped steel rail, the difference between the obtained temperature distribution diagrams and a preset target temperature curve is obtained, first-time temperature compensation is carried out, and temperature data are recorded; and an induction heating model of the special-shaped steel rail is established, and second-time temperature compensation is carried out. The device comprises a base assembly, a three-axis movement assembly, a placement assembly, a lifting assembly, an electrode adjusting assembly and an induction coil assembly. According to the method, temperature distribution can be accurately controlled, cooling zones can be optimized, and energy consumption can be reduced, so that the stability and reliability of the quality of special-shaped steel rail products are realized.

The invention relates to a carbon dioxide energy storage and heat energy storage synergetic efficient heat exchange method and system.The method comprises the steps that the operation working condition of a carbon dioxide energy storage system is determined, and corresponding target heat exchange requirements are obtained and comprise the carbon dioxide side target outlet temperature, the heat energy storage side target outlet temperature and the target heat exchange power; operating data of the carbon dioxide side and the heat energy storage side are collected, and a heat exchange model used for representing heat exchange amount distribution, end temperature difference distribution and pressure drop distribution is established; determining a model boundary condition according to the working condition and a target heat exchange demand, constraining the heat flow direction to point to the heat energy storage unit under the energy charging working condition, and constraining the heat flow direction to point to the carbon dioxide side under the energy releasing working condition; and irreversible loss evaluation indexes such as entropy production, exergy loss and exergy efficiency are calculated based on the heat exchange model, a heat exchange optimization problem which takes minimization of the evaluation indexes as a target and meets preset constraint conditions is constructed, and the optimal control quantity is solved and issued to an execution mechanism to implement heat exchange control.

An intelligent heating device and method for a hookah. The intelligent heating device for a hookah comprises a helical tube (110), a heating assembly (111), a temperature measurement assembly, and a control module (300). The heating assembly (111) and the temperature measurement assembly are isolated from each other and both disposed within the helical tube (110), and the heating assembly (111) and the temperature measurement assembly are separately electrically connected to the control module (300). The helical tube (110) is used for heating an airflow passing therethrough, and the control module (300) is used for controlling the heating assembly (111) on the basis of real-time temperature information obtained from the temperature measurement assembly, so that the airflow is maintained at a specific temperature or within a specific temperature range. The intelligent heating device for a hookah employs the helical tube (110) to significantly increase the heating area, and uses the temperature measurement assembly to continuously measure the temperature of the helical tube (110), enabling the control module (300) to precisely control the heating assembly (111) to maintain the helical tube (110) at a preset temperature or within a specific temperature range, thereby ensuring stable and efficient airflow heating and temperature maintenance.