8491 results about "Heating efficiency" patented technology

The invention relates to the field of power equipment control data processing, in particular to a boiler combustion optimization control method based on data driving, which comprises the following steps of: acquiring multi-source data such as temperature field distribution, air and smoke pressure, smoke components and coal quality characteristics, and eliminating noise interference by adopting sliding window mean filtering; generating a standardized feature matrix in combination with principal component analysis and a dynamic time warping algorithm; constructing a dynamic coupling model fusing a gradient boosting decision tree and a long short-term memory network, analyzing a nonlinear relationship between pulverized coal particle size distribution and a wind-coal ratio, and predicting combustion efficiency, pollutant concentration and temperature field uniformity; and model parameter self-correction and weight dynamic adjustment are triggered through actual combustion data feedback, and a closed-loop control link is formed. According to the method, accurate modeling of the multi-physical field coupling characteristic of the combustion system is achieved, the time sequence generalization ability under the dynamic working condition is improved, and the purposes of heat efficiency improvement and pollutant emission reduction are effectively balanced.

A heat pump system for a vehicle controls a temperature of a battery module by use of one chiller in which a coolant and a refrigerant are heat-exchanged and that improves heating efficiency by recovering heat from various heat sources in a heating mode of a vehicle to use them for indoor heating, including: a valve, an electrical component cooling device, a battery cooling device, an indoor heating device, an indoor cooling device, a centralized energy device, and a chiller, wherein a condenser included in the centralized energy device is connected to the second line through the second valve to condense the refrigerant supplied through the refrigerant line through heat-exchange with the coolant and is provided in a sixth line through which the coolant flows; and a first end portion of the third line is connected to a third valve provided in the sixth line.

A heat pump system for the vehicle includes a valve, an electrical component cooling apparatus, a battery cooling apparatus, an internal heating apparatus, an internal cooling device, a centralized energy device, and a chiller for controlling a temperature of a battery module by use of a chiller in which a coolant and a refrigerant are heat-exchanged, and for recovering and using heat from various heat sources in a heating mode of a vehicle for indoor heating to improve heating efficiency.

A heat pump system for a vehicle includes a valve, an electrical component cooling apparatus, a battery cooling apparatus, an internal heating apparatus, an internal cooling device, a centralized energy device, and a chiller for controlling a temperature of a battery module by use of a chiller in which a coolant and a refrigerant are heat-exchanged, and for recovering and using heat from various heat sources in a heating mode of a vehicle for indoor heating to improve heating efficiency, wherein the battery coolant line is selectively connectable to the first connection line through a battery coolant connection line connecting the battery coolant line and the first connection line.

The invention relates to the technical field of fault diagnosis, in particular to a fault self-diagnosis system and method for a high and low temperature aging test chamber of a storage chip and computer equipment. The temperature control abnormal index is obtained through the data of the temperature control system sensor, early warning can be performed when the temperature control system has abnormal fluctuation, the performance evaluation basis of the air circulation system is provided by the air system efficiency coefficient, the heating efficiency and the refrigeration coefficient are obtained through the data of the heating and refrigerating system sensor, and the performance of the heating and refrigerating system is evaluated. An electrical stability index is obtained through data of a test system sensor, the operation stability of an electrical system is evaluated, the stability of the electrical system is detected in time, and a fault probability index is obtained through a system entropy increase rate, the electrical stability index, a thermal coupling factor, a wind system efficiency coefficient and a temperature control abnormal index. Therefore, the stability and the reliability of the equipment can be improved, the maintenance cost can be reduced, the use efficiency of the equipment is improved, and the accuracy and the safety of test results are ensured.

The invention relates to the technical field of communication and network transmission, in particular to a terminal data acquisition and transmission method for a long-distance heat supply pipeline. The method comprises the following steps that long-distance heat supply pipeline laying area data are obtained, pipe network laying form analysis is carried out, and single-pipe branched heat supply pipe network data are obtained; constructing a pipeline laying model based on the data of the single-pipe branched heat supply network; performing intelligent heat energy flow simulation based on the pipeline laying model, and calculating heat loss in the heat energy flow simulation process to obtain heat loss data; performing thermal protection thermal insulation material integration on the pipeline laying model based on the heat loss data to obtain composite thermal insulation material data; and identifying a straight pipe section of the pipeline laying model, and calculating the minimum thick wall of the straight pipe section to obtain minimum thick wall data. The heat efficiency, the stability and the intelligent management capability of the pipeline system are improved based on the communication and network transmission technology.

The utility model relates to a gas stove provided with a gas control pot rack. A pot rack of an existing gas stove is only used for placing pots, and some additional rings are used as wind shields. According to an existing gas stove, flames are exposed in the atmosphere, much heat is lost due to the fact that the outer faces of the flames make contact with too much air, and the heat efficiency is reduced. The gas stove with the gas control pot rack comprises a gas stove body, a pot rack ring, a plurality of pot rack feet and a pot rack bottom. The pot rack ring is in a circular tube shape, the pot feet are evenly distributed on the pot rack ring, the pot rack bottom is a circular ring piece with an inner hole in the middle, the outer diameter of the pot rack bottom is the same as that of the pot rack ring, the pot rack bottom and the pot rack ring are connected together, and the pot rack bottom is arranged on a gas stove and sleeved outside a burner to control secondary air inflow and prevent excessive cold air from touching flames, so that heat efficiency is improved.

The invention provides a flow control method and device based on a PTC heater, the method is applied to a controller of a vehicle-mounted heating device, the vehicle-mounted heating device comprises the PTC heater, the controller is in communication connection with the PTC heater, and the method comprises the steps that the inlet and outlet temperature difference and the heating power of the PTC heater are obtained regularly; the performance parameters, the heating power and the inlet and outlet temperature difference of the cooling liquid are input into a preset flow calculation formula, and the corresponding cooling liquid flow is obtained through calculation; and obtaining an output value of the working parameter according to a pre-stored corresponding relationship between the cooling liquid flow and the working parameter under different output temperature differences so as to control the output temperature of the PTC heater according to the output value. According to the embodiment of the invention, the cooling liquid flow can be obtained through low-cost calculation, and a cooling liquid flow meter assembly is reduced; in addition, the output temperature of the PTC heater can be controlled according to the output value, and the heating efficiency of the PTC heater is improved.

An air conditioning system is provided with an integrated heat exchanger. The air conditioning system generates heating air or cooling air through the integrated heat exchanger that adjusts the temperature of conditioning air by circulating coolant, thus securing cooling and heating efficiency. The air conditioning system adjusts temperature by the coolant circulated in the integrated heat exchanger such that a temperature adjustment door for adjusting the temperature of the conditioning air is eliminated, the number of components is decreased, and the size of an overall package is reduced.

The invention relates to the technical field of intelligent control, and particularly discloses a boiling point self-adaptive heating control method and device for a water dispenser and the water dispenser. The method comprises the steps that the boiling point temperature of drinking water is determined according to the environment air pressure value; controlling the heating device to heat the drinking water in a high-power mode until the temperature of the drinking water reaches a preset first temperature threshold value; after the temperature of the drinking water reaches the first temperature threshold value, the heating device is controlled to continuously heat the drinking water in a low-power mode until the temperature of the drinking water reaches the boiling point temperature; according to the method, firstly, the environment air pressure value is obtained, the boiling point temperature of drinking water is adaptively determined according to the environment air pressure value, the defect that the boiling point temperature of a traditional water dispenser is fixed is overcome, the accuracy of the boiling point temperature in different air pressure environments is guaranteed, meanwhile, a two-section type heating control mode is adopted, and the heating efficiency can be guaranteed while the heating efficiency is guaranteed. The energy consumption is reduced, and the scale generated by violent boiling is reduced.

A heat pump system for a vehicle is configured to selectively exchange heat between coolant and the thermal energy generated from refrigerant at the time of condensation and evaporation of the refrigerant. The heat pump system heats the vehicle interior using the heat-exchanged high-temperature coolant and improves the heating efficiency of the vehicle by selectively using the ambient air heat, the waste heat of electrical components, and the waste heat of the battery module, at the time of heating the vehicle interior, thereby increasing the overall travel distance of the vehicle by efficiently adjusting the temperature of a battery module for an optimal performance of the battery module.

The embodiment of the invention provides an energy storage peak regulation system and method coupling waste heat recovery and water body heat storage. The system comprises a thermal power generation subsystem, a circulating water waste heat utilization subsystem, a water body heat storage subsystem and a heating subsystem. By recycling waste heat of circulating water, the heat efficiency of the unit can be improved under the same combined heat and power generation capacity, the coal consumption rate is reduced, and energy-saving and carbon-reducing transformation is assisted to be achieved. After the water body heat storage technology is coupled, the system can participate in peak regulation and peak service all the year round, and flexible transformation is assisted to be achieved; the diversified heat supply modes of steam extraction heat supply, circulating water waste heat recovery heat supply and heat storage water body heat supply assist in achieving heat supply transformation. The circulating water waste heat utilization technology and the water heat storage technology are deeply coupled with an existing combined heat and power generation unit, and energy-saving and carbon-reducing transformation, flexible transformation and heat supply transformation of the combined heat and power generation unit can be achieved at the same time.

The utility model provides a furnace body structure and semiconductor process equipment, the furnace body structure comprises at least one furnace body unit, each furnace body unit comprises a thermal insulation support main body and an insulation support structure, the thermal insulation support main body is annular, and the insulation support structure is limited and fixed on the inner peripheral side of the thermal insulation support main body; the insulation supporting structure is used for limiting and fixing the heating wire in the space defined by the heat preservation supporting body. According to the scheme, the heating wire is small in deformation and not prone to collapse, the short circuit risk of the heating wire can be reduced, the heating efficiency of the heating wire can be improved, and the service life of the heating wire can be prolonged.

The invention relates to the technical field of composite material processing, in particular to a ply rolling high-temperature plastic flow control method and processing equipment for a nickel steel composite plate, and the processing equipment comprises a ply rolling chamber, a hot rolling mill assembly, an adjusting assembly and a pressure maintaining assembly. An adjusting assembly capable of adjusting the contact area of a plate and the hot rolling mill is arranged on the front portion of the hot rolling mill, line contact between the plate and the hot rolling mill is adjusted into face contact, heating efficiency is improved, and composite production efficiency is guaranteed. Therefore, opposite metal is extruded into a fresh surface formed by interface rubbing through plastic flow, staggered interfaces are further formed, the interface bonding strength is improved, meanwhile, internal stress around extrusion points can be counteracted mutually, the nickel plate and the steel plate cannot generate excessive relative movement, and the service life of the nickel plate and the steel plate is prolonged. And the interface bonding quality of the composite board is ensured.

The invention discloses a deep arsenic removal device for phosphoric acid and an arsenic removal process thereof, and relates to the technical field of efficient arsenic removal in phosphoric acid, the deep arsenic removal device comprises an automatic feeding continuous arsenic removal reactor, under the cooperation of a temperature control heating assembly, an arsenic biosensor, a material removal driving motor, a rotating rod, a drying rake blade and a heat conduction rod, the position of a microwave heating source is adjusted, and the arsenic removal efficiency is improved. The microwave heating is more accurate through the intelligent control of the microwave power, and the microwave heating is combined with the internal drying rake blade stirring system, so that the heating efficiency of the material is improved, the uniform mixing of the material is promoted, the temperature change of different areas in the automatic feeding continuous arsenic removal reactor can be adapted, and the continuous arsenic removal effect is improved. According to the technical scheme, the uniformity and controllability of reaction conditions are guaranteed, the heat conduction rods arranged in an array mode can quickly respond to temperature changes, uniform distribution of heat is achieved, local overheating is avoided, meanwhile, the heat conduction path can be flexibly adjusted according to requirements, and the temperature uniformity in the automatic feeding continuous arsenic removal reactor is guaranteed.

The embodiment of the invention provides an aerosol product, a heat-not-burn system and a mold. The heat-not-burn system comprises the aerosol product and a heat-not-burn device. The aerosol product comprises a protective layer, the protective layer comprises vertical fiber structures arranged in the circumferential direction, the vertical fiber structures extend in the length direction of the aerosol product, and a piercing position allowing a heating tooth of a heating non-combustion device to pierce is formed between every two vertical fiber structures; the aerosol base material and the protective layer enclose an accommodating space, and the accommodating space is filled with the aerosol base material. By adopting the embodiment of the invention, the outer layer of the aerosol product is provided with the piercing position, so that the heating teeth easily penetrate through the aerosol product from the side surface and pierce into the aerosol product, the aerosol base material can be uniformly heated, and the heating efficiency can be improved.

The invention discloses vacuum brazing equipment and method for a plate-fin heat exchanger, relates to the field of welding, and aims to solve the problems of low heating efficiency and difficulty in deformation control caused by structural characteristics of the plate-fin heat exchanger and characteristics of vacuum radiation heating at present. Structures such as a hydraulic control system, an upper water-cooling sealing conductive pressure head, a lower conductive base and a tool are added on the basis of traditional vacuum brazing equipment, the structures are compounded with a furnace pipe, an upper electrode of the upper water-cooling sealing conductive pressure head is of a distributed structure and can move up and down through the hydraulic control system, and the upper electrode of the lower water-cooling sealing conductive pressure head can move up and down through the tool. And by matching with a tool, a workpiece can be always stressed uniformly, and continuous and stable self-resistance extremely-fast heat generation electrifying can be ensured. Double-feedback series control is adopted to achieve double-heat-source heating, the heating process time is shortened, a pressure-temperature coupling control method is adopted, it is ensured that stress is uniform, deformation is reduced, and the heating efficiency and the welding quality consistency are improved. And rapid and uniform heating and small deformation control of the workpiece can be realized.

According to the aerosol generating product and the aerosol generating system provided by the embodiment of the invention, the aerosol generating product comprises the medium section, the functional section and the filtering section which are sequentially arranged in the first direction, and the medium section and the functional section are both of an integrated structure; at least one first air passage hole is formed in the medium section and penetrates through at least one end, in the first direction, of the medium section; at least one second air channel hole is formed in the functional section and penetrates through at least one end, in the first direction, of the functional section. According to the aerosol generating product provided by the embodiment of the invention, the medium section and the functional section are of the integrated structure, so that the high-temperature resistance of the functional section is improved, the structural stability of the functional section is improved, the functional section is not prone to deformation and fusion after being heated, the conditions of miscellaneous gas release, suction resistance influence and airway blockage can be improved to a certain extent, and the aerosol generating effect is improved. Therefore, the use experience of the user is improved. In addition, the surface area of the medium section can be increased through the first air channel holes, heat transfer is facilitated, and the heating efficiency is improved.

The invention discloses an aerosol generating device and a cleaning assembly. The aerosol generating device comprises a heating assembly and a cleaning assembly. Wherein the heating assembly comprises an outer pipe and a heat generating mechanism arranged in the outer pipe; the cleaning assembly comprises a hollow part and an electrode, the hollow part is detachably arranged outside the outer pipe in a sleeving mode, the electrode is arranged between the hollow part and the outer pipe, a gap is formed between the electrode and the outer wall of the outer pipe, and the electrode is used for generating plasma in the gap. According to the aerosol generating device provided by the embodiment of the invention, the plasma generated between the hollow part and the outer tube by the two electrodes is used for heating and removing residues attached to the aerosol on the outer tube, so that the heating efficiency of the heating assembly on the aerosol forming substrate is 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 discloses an efficient anti-freezing and anti-blocking integrated induction heating system and method for an oil and gas pipeline, belongs to the technical field of anti-freezing and anti-blocking of oil and gas pipelines, and aims at solving the problems that in the prior art, heating efficiency is low, energy consumption is huge, heating uniformity and adaptability are poor, the system integration degree is low, and the intelligent degree is insufficient. Comprising the steps of S1, induction heating unit arrangement and power management; s2, real-time temperature monitoring and data acquisition; s3, intelligent data analysis and precise heat management; the electromagnetic induction heating principle is adopted, the induction coil directly heats the pipeline and the internal medium, heat conduction loss and heat energy radiation loss of heating modes such as traditional resistance wires and heat tracing bands are reduced, the intelligent power management module can optimize power supply and power adjustment, and the self-adaptive environment and load adjustment strategy is combined, so that the self-adaptive load adjustment is achieved. The heating power can be automatically adjusted according to the environment temperature and the pipeline load, the anti-freezing and anti-blocking effect is guaranteed, meanwhile, energy consumption is remarkably reduced, and the burden of an electric power supply system is relieved.

The invention relates to the technical field of methanol combustion optimization, in particular to a methanol fuel combustion multi-target collaborative optimization method and a self-adaptive energy consumption regulation and control system, and solves the problem of balance between model precision and real-time optimization efficiency. The method comprises the following steps: constructing a special digital twinborn model, integrating a parameterized chemical reaction dynamic sub-model, a calibration interface dynamically coupled with real-time in-cylinder pressure data and a flow field simulation module, and continuously and dynamically updating; parallel simulation control parameter combination is carried out by using the dynamic model, and multi-target performance including at least two items of heat efficiency, NOx emission and combustion stability is predicted; outputting an optimization parameter set through Pareto frontier analysis of a multi-objective optimization algorithm; and finally, combining the parameter set with the real-time state of the model to select a control parameter to adjust the operation of the equipment, thereby realizing multi-target collaborative optimization and self-adaptive energy consumption regulation and control. According to the method, the system working condition adaptability, the multi-target optimization fineness and the energy consumption regulation and control intelligent level are improved.

The preheating device comprises pressing plate assemblies, a heating block and a pressing block, the heating block comprises a heating face, the pressing block is located above the heating face, the side, away from the pressing block, of the heating face is sunken, the pressing block can be inserted into the heating block, the pressing plate assemblies are located on the two sides of the heating face in the radial direction, and each pressing plate assembly comprises a pressing plate body. The pressing plate body can get close to or away from the heating face in the radial direction of the heating face. The preheating device provided by the utility model is high in heating efficiency, so that the detection efficiency is improved.

The invention discloses an ultrahigh-temperature thermal expansion coefficient tester, which relates to the technical field of detection equipment and comprises an equipment platform, a guide rail, a fixed side and a movable side, the guide rail is arranged on the equipment platform, the fixed side is arranged on one side of the equipment platform, and the movable side is arranged on the guide rail in a sliding mode. The fixed side comprises a displacement detection module and a bearing support; one end of the bearing support is connected with the detection end of the displacement detection module; the moving side comprises an induction heating furnace and a temperature detection module; an insertion opening is formed in the side, facing the fixed side, of the induction heating furnace, and the bearing support enters the induction heating furnace through the insertion opening. According to the invention, the measured material is heated in an induction heating manner, so that the heat loss is greatly reduced, the energy consumption ratio of the equipment is reduced, and meanwhile, the limiting temperature of the thermal expansion coefficient tester is increased. The insulating layer can reduce heat loss, improve the heating efficiency, reduce the temperature gradient in the sample and improve the test precision. And the temperature change condition is directly measured through the infrared thermometer, so that the measurement is more accurate.

The invention relates to the technical field of control and adjustment, in particular to an intelligent control system and method for an induction cooker, and the method comprises the steps: collecting the material and temperature data of cookware through a multi-source sensing module; the collaborative prediction module dynamically adjusts the window size of the time convolution network and generates a power compensation parameter and a frequency tuning parameter; the simulation execution module executes triple calculation of particle swarm optimization, thermal inertia calibration and nonlinear constraint verification, and outputs optimization control parameters; and the optimization feedback module updates the weight of the thermal inertia model in real time through a double-loop feedback mechanism and calibrates prediction parameters. Perceptual data synchronous processing is achieved through edge calculation, knowledge graph driving load sudden change rapid decision is achieved, the simulation efficiency is improved through dynamic step length control, and material parameter mapping is optimized through historical deviation statistics. The problem of multi-link cooperative response mismatch under the load sudden change working condition is solved, the power regulation response time delay is shortened, and the heating efficiency stability and the safety protection precision are remarkably improved.

The invention discloses a boiler air-coal ratio regulation and control optimization method and system, and relates to the technical field of boiler combustion control, and the method comprises the steps: interacting a target boiler, obtaining boiler operation parameters, calculating the actual air-coal ratio of each combustion area, and obtaining the target air-coal ratio distribution according to the boiler load and coal quality parameters; optimizing by taking the minimum deviation between the actual air-coal ratio distribution and the target air-coal ratio distribution as an optimization target, generating an optimal primary air parameter and an optimal secondary air parameter, generating an air-coal ratio regulation and control strategy of each combustion area, and issuing the air-coal ratio regulation and control strategy to a distributed control unit for coordinated regulation, so as to realize balanced combustion of the boiler. The technical problems that in the prior art, the boiler air-coal ratio control effect is poor, and combustion stability and heat efficiency are affected are solved, and the technical effects that the air-coal ratio control effect is remarkably improved, the combustion stability is improved, and the overall heat efficiency of the boiler is improved are achieved.

The utility model relates to the field of resistance furnaces, and discloses a multi-tube resistance furnace for the production of carbon nanotube films, including a resistance furnace, an upper cover is installed at the top of the resistance furnace, a rotating assembly is installed at the top of the upper cover, a fixing assembly is plugged into the top of the resistance furnace, a heating tube is installed on the inner wall of the fixing assembly, a limiting assembly is installed at the left end of the resistance furnace, the fixing assembly includes a sleeve, a positioning ring is provided on the outer wall of the sleeve, a positioning groove is provided at the bottom end of the upper cover, the positioning ring and the positioning groove are matched, a positioning groove is also provided at the top of the resistance furnace, and a fixing block is plugged into the inner wall of the sleeve. In the utility model, by setting a fixing assembly, multiple groups of heating tubes can be fixed at one time, and the rotating assembly can be used to drive the fixing assembly to rotate, so as to ensure that the materials inside the multiple groups of heating tubes can be evenly heated. Since multiple groups of materials can be heated at one time, the heating efficiency is high when in use.

The invention relates to the technical field of energy conservation and environmental protection, in particular to an industrial boiler combustion oscillation modal suppression system and a method thereof, and constructs a system which is highly intelligent, high in adaptability and remarkable in suppression effect by fusing innovative technologies such as multi-dimensional perception, intelligent identification, active suppression and adaptive optimization. The data acquisition module accurately captures hearth temperature, flame video and sound pressure signals; the signal processing module deeply analyzes and extracts oscillation modes of a temperature field and a flame area, and analyzes a sound pressure signal frequency spectrum through short-time Fourier transform; the mode identification module accurately identifies the combustion oscillation mode and determines the characteristic frequency and amplitude of the combustion oscillation mode; the suppression control module generates an infrasonic wave intervention signal to form an anti-phase sound field so as to effectively suppress oscillation; the fuel adjusting module adjusts the opening time sequence of the gas nozzle according to the instruction, and fuel supply is optimized. According to the system, the operation stability and heat efficiency of the boiler are remarkably improved, NOx emission is greatly reduced, and powerful technical support is provided for clean and efficient operation of the industrial boiler.

The invention discloses a graphene heating module and a heating device.The graphene heating module comprises a base and at least one graphene heating module, the base is provided with a fluid channel, the graphene heating module is fixedly connected with the base, the graphene heating module comprises a high-temperature-resistant frame, and a flow channel is formed in the middle of the high-temperature-resistant frame; a flow channel is formed in the high-temperature-resistant frame, a latticed graphene heating sheet covers the flow channel, the graphene heating sheet is fixedly connected with the high-temperature-resistant frame, the graphene heating sheet comprises latticed fiber cloth, a graphene film is arranged on the fiber cloth, and an electrode electrically connected with the graphene film is arranged on the high-temperature-resistant frame. According to the graphene heating module and the heating device provided by the invention, the grid-shaped structure is adopted, so that fluid can pass through each small hole, the contact area between the fluid and the graphene heating sheet is increased, and the heating efficiency is improved.

According to the annual constant-temperature flue gas source heat pump system based on gas turbine combined heat and power generation, high-temperature flue gas generated by the gas turbine is recycled so as to reduce pollution and improve the energy utilization rate, the waste heat boiler recycles waste heat of a flue gas high-temperature section, and the temperature control unit supplies water to the waste heat boiler; the heat pump unit is used for recovering waste heat of a low-temperature section in the flue gas and heating water in a pipeline of the temperature control unit; the heat pump unit comprises an evaporator and a condenser; the temperature control unit switches the system operation state according to the seasonal mode and adjusts the gas inlet temperature of the gas turbine to the standard temperature; according to the scheme, through innovative designs of comprehensive cold and heat utilization, cold and heat combined supply, flue gas extraction mode innovation, modular design, condensate water recovery treatment, working medium direct circulation and the like in the system, the heat efficiency, the operation flexibility and the resource utilization efficiency of the system are remarkably improved, and meanwhile the operation risk and the investment cost are reduced.