157results about How to "Meet heating needs" patented technology

The invention discloses a heat supply whole network collaborative dynamic optimization regulation and control method, system and equipment and a storage medium, relates to the technical field of heat supply control, and aims at solving the technical problems that in the prior art, thermal load prediction data is inaccurate, and heat transfer distribution cannot be optimized by a heat supply system, so that operation energy consumption is large. According to the technical scheme, the method mainly comprises the steps that building load prediction data and heating station load prediction data are acquired, and a load prediction model is constructed; training the load prediction model, and optimizing the model and pipe network data by using an ARX active regression algorithm; a heat supply whole network physical simulation model is constructed, and heat supply whole network thermal load data is obtained through calculation by using an MILP mixed integer linear programming algorithm; an optimal control strategy is obtained by optimizing a heat supply whole network physical simulation model and introducing a real-time feedback mechanism and an overall cooperative control module, optimization parameters of the heat supply whole network physical simulation model are automatically adjusted by using the optimal control strategy, and the heat supply whole network is continuously in an optimal operation state through automatic repeated iteration.

The invention relates to the technical field of electric vehicle heat management, in particular to an indirect heat pump type heat management system. Comprising an electric drive cooling liquid loop, a battery cooling liquid loop, a heating cooling liquid loop and a refrigerant loop. The heating cooling liquid loop comprises a first heating loop and a second heating loop; the first heating loop is connected in series with a warm air core body; the second heating loop exchanges heat with the battery cooling liquid loop through the battery heating heat exchanger; the refrigerant loop comprises a first refrigerating loop, a second refrigerating loop and a third refrigerating loop; the first refrigerating loop exchanges heat with the heating coolant loop through the water-cooled condenser; the second refrigerating loop exchanges heat with the battery cooling liquid loop through the battery cooling heat exchanger; an evaporator used for cooling the passenger compartment is connected to the third refrigeration loop in series. And the battery cooling liquid loop and the electric drive cooling liquid loop are mutually coupled and communicated. The indirect heat pump type heat management system can well meet the heating requirements of a battery pack and a passenger compartment.

The invention relates to the technical field of coating machines, and discloses a multi-drying coating machine which comprises a supporting plate body, a base material roller, a composite drying machine and a discharging roller, the two ends of the supporting plate body are rotationally connected with the base material roller and the discharging roller respectively, the composite drying machine is arranged between the base material roller and the discharging roller, a tension shaft is arranged between the base material roller and the composite drying machine, and the tension shaft is connected with the supporting plate body. A coating mechanism is arranged on one side of the tension shaft and comprises a rotary coating roller, a supporting base and a comma scraper, a coating base material is arranged between the rotary coating roller and the supporting base, the comma scraper is arranged on one side of the rotary coating roller, and ultrasonic vibration modules are arranged on the upper side and the lower side of the comma scraper; the ultrasonic vibration module changes an electromagnetic field around the comma scraper to enable the surface of the comma scraper to generate high-frequency vibration; the high-frequency vibration of the comma scraper not only optimizes the distribution of the coating, but also enhances the interaction between the coating and the base material, and effectively promotes the contact and permeation between coating molecules and the coating base material.

The invention discloses an electric vehicle thermal management system which comprises a refrigerant management module, a passenger compartment thermal management module, a battery pack thermal management module, an electric drive thermal management module and a low-temperature radiator module, wherein the passenger compartment thermal management module, the battery pack thermal management module, the electric drive thermal management module and the low-temperature radiator module are communicated with a twelve-way valve. The refrigerant management module is provided with a hot gas bypass branch, the hot gas bypass branch is provided with an electromagnetic valve with the opening degree capable of being controlled, and connection or disconnection between the refrigerant module and the passenger compartment heat management module, the battery pack heat management module, the electric drive heat management module and the low-temperature radiator module and the working mode of the refrigerant management module are completed by combining a twelve-way valve. High integration of an electric automobile heat management system can be achieved, normal work of a heat pump under the extremely low temperature working condition is guaranteed, the heating capacity is improved, and the problem that a compressor is frequently started and stopped during refrigeration is solved. The invention further provides a control method of the electric vehicle thermal management system.

The invention discloses a heating appliance with a switchable heating assembly and a switching method, and the heating appliance with the switchable heating assembly comprises a heating appliance universal body and any type of heating assembly. The heating assembly comprises a heating object insertion cavity and a heating body of a corresponding type; the types of the heating bodies of different types of heating assemblies are different; the heating appliance general main body and the heating assembly are combined and connected in a detachable connection mode, and after the heating appliance general main body and the heating assembly are successfully combined and connected, the heating mode of the heating appliance general main body is changed into the heating mode corresponding to the heating assembly. And the control module is used for controlling the heating body of the heating assembly to heat a heating object inserted into the heating object insertion cavity according to the heating mode during working.

The invention relates to an electric heating energy storage system capable of quickly responding to electric power change, which uses an electric energy indirect or direct heating mode to heat a heat storage metal body, and the heat storage metal body transfers heat to a fluid or gas medium, thereby avoiding overhigh local temperature of the medium or overlow outlet temperature caused by using an electric heater to directly heat the fluid medium, and improving the reliability of the electric heating energy storage system. And the electric power change can be quickly responded. An electric heater is used for heating a heat storage metal body or current is directly applied to the two ends of a heating body made of metal to generate Joule heat, then heat in the heat storage metal body is transferred out through a fluid medium heat exchange device, and finally the heat is stored in a fluid medium and the metal heat storage body. According to the invention, the solid is heated and then exchanges heat with the heat exchange medium, so that the electric power can be quickly adjusted.

The invention discloses a thermoelectric waste heat coupling heat supply system based on geothermal energy, and particularly relates to the technical field of energy utilization, comprising: a geothermal energy extraction module transmits geothermal energy to a heat supply pipe network through a geothermal well and a heat pump to realize primary heat supply; the heat pump module raises the geothermal temperature to ensure stable output; the heat supply analysis module monitors the primary heat supply state and judges whether the hidden danger of heat insufficiency exists or not; if the defects exist, the overall heat supply state judgment module generates a geothermal energy heat supply index and a heat pump efficiency index, and the heat supply state is comprehensively judged; the control adjusting module triggers the thermal power plant waste heat module according to the result, and secondary temperature increasing is carried out to guarantee heat supply; the geothermal energy and the waste heat of the thermal power plant are organically coupled, the two heat sources are effectively integrated, optimal allocation of resources is achieved, the geothermal energy serves as a basic heat source to meet basic heat supply requirements, the waste heat of the thermal power plant serves as an auxiliary heat source to automatically start to supplement heat when heat supply is insufficient, and therefore continuity and stability of heat supply are guaranteed.

The utility model relates to an SNCR (selective non-catalytic reduction) and SCR (selective catalytic reduction) collaborative denitration ultra-low emission system for a coal-fired boiler. The system comprises an SNCR denitration unit, a primary economizer, an airflow uniform distribution device, an SCR denitration unit and a secondary economizer, the SNCR denitration unit consists of an ammonia water / urea solution tank, a delivery pump and a spray gun; and the SCR denitration unit comprises an SCR layer. The system disclosed by the utility model is simple and reasonable in structure, reliable in operation, low in investment and operation cost, long in service life and free of secondary pollution, and the NOx-containing flue gas of the coal-fired boiler can be efficiently denitrated and purified.

The utility model is applied to the field of vehicle-mounted cup stand devices, in particular to a vehicle-mounted cup stand device with a heating function, which comprises a bracket and a heating cup stand group, the bracket is provided with a first accommodating groove, the heating cup stand group is arranged in the first accommodating groove, and the heating cup stand group comprises a cup stand table, a touch screen and an electromagnetic heating group, a second containing groove is formed in the top of the cup holder table, the touch screen is fixedly arranged in the second containing groove, a cup body containing cavity used for containing a cup body is formed in one side of the cup holder table, the electromagnetic heating set is fixedly arranged at the bottom of the cup body containing cavity, and the electromagnetic heating set is electrically connected with the touch screen. Through electromagnetic induction heating work of the electromagnetic heating set, liquid contained in the cup body contained in the cup body containing cavity is heated, a driver and passengers can heat cold water in the driving process, and the requirement of a user for heating the cold water in a vehicle is met.

The invention discloses double-heat-source equipment and a heating control method and device thereof. The heating mode of the double-heat-source equipment comprises heat pump heating and furnace heating. The method comprises the steps that whether the current outdoor temperature is smaller than or equal to the preset temperature or not is judged; if the current outdoor temperature is smaller than or equal to the preset temperature, a combustion furnace is used for heating; if the current outdoor temperature is larger than the preset temperature, the heating mode needing to be used currently is determined according to the current fuel gas cost and the current electricity utilization cost; switching of heating modes is controlled according to the operation condition of the heat pump in the heat pump heating period; and switching of the heating modes is controlled according to the operation duration of the combustion furnace and the outdoor temperature in the combustion furnace heating period. The heating modes are switched according to the outdoor temperature, the fuel gas cost, the power utilization cost and the actual operation condition of the equipment, the heating mode with the optimal cost and the optimal heating efficiency is automatically switched for operation, energy loss is reduced, manual switching by a user is not needed, excessive greenhouse gas emission caused by excessive use of a combustion furnace is avoided, and the user experience is improved.

The utility model relates to the technical field of barbecue ovens, in particular to a portable barbecue oven which comprises a base and a hearth. The base comprises a panel and supporting legs; the supporting legs are hinged to the panel and can swing within a preset range relative to the panel. A mounting groove is formed in the panel; the hearth comprises a frame, side plates, end plates and heating components. The frame is of a rectangular frame structure; the upper ends of the side plates are hinged to the frame and can swing relative to the frame. The lower ends of the side plates can be inserted into the mounting grooves; the upper end of the end plate is hinged to the frame and can swing relative to the frame. The frame, the side plates and the end plates can be constructed into a containing cavity with an opening in the upper end; supporting components are fixedly arranged on the inner sides of the side plates and / or the end plates; the heating component is arranged in the containing cavity and supported by the supporting component. According to the utility model, the height after folding is reduced, the carrying is convenient, and the folding operation is fast; and various heating requirements can be met, and the application range is wide.

The utility model relates to experimental article heating field discloses a kind of assembled water bath pot support, including chassis, at least two struts are fixedly connected with the top end of the chassis, the moving block is connected with the struts by sliding group, the moving block right side outer wall is fixedly connected with top frame, the gear column is rotatably connected in the top frame, the gear column outer wall is engaged and is connected with outer ratchet, the outer ratchet is connected with card by rotating assembly, the sliding assembly includes two spherical balls in the moving block inner wall, the spherical ball inside is slidably connected with support rod, spring is set on the support rod outer wall, the support rod is fixedly connected in the moving block front and rear two sides outer wall.In the utility model, the height of top frame is flexibly adjusted by moving block etc., and is adapted to different bottle body;Gear transmission drives card to stably fix bottle body, eliminates the shaking hidden danger when boiling water heating, improves applicability and security.

The invention provides a mounting structure of an evaporator assembly. The mounting structure comprises a direct discharge evaporator; the two mounting brackets are separably arranged on a rear frame of the cabinet air conditioner and jointly form a mounting cavity for mounting the direct-discharge evaporator; the plurality of electric heating modules are arranged between the two mounting brackets; the fixing assembly comprises a plurality of first mounting holes formed in the mounting support and a plurality of second mounting holes formed in the rear frame, and the first mounting holes correspond to the second mounting holes one to one. A traditional U-shaped evaporator is replaced by the in-line evaporator, a rotation space of an elbow section does not need to be reserved any more, the mounting cavity is formed in the rear frame through the two separable mounting supports, the evaporator can be mounted in the indoor unit of the air conditioner in a more compact mode, and the size of the air conditioner in the depth direction is effectively reduced; and meanwhile, the mounting bracket is matched with the second mounting hole in the rear frame through the first mounting hole and is directly locked and fixed through a screw, so that the structure is simple and the mounting is convenient.

The invention discloses a boiler wet-type condensed flue gas desulfurization and denitrification system, which belongs to the technical field of waste gas treatment, and comprises a combustion bin, a heating device is arranged at the bottom of the combustion bin, a heating bin is fixedly connected above the combustion bin, and the left side of the combustion bin is fixedly communicated with flue gas treatment equipment; the flue gas treatment equipment comprises an inner pipeline, a top pipeline is arranged at the top of the inner pipeline, the bottom, the front side face and the rear side face of the inner pipeline are wrapped with outer pipelines, the right ends of the outer pipelines fixedly communicate with the top of the combustion bin, and a bent pipe fixedly communicates with the bottom of the left side of each outer pipeline. The condensation efficiency of the adsorption liquid is improved through multiple times of condensation, the waste heat of high-temperature flue gas is subjected to multi-layer recovery, the heat recovery efficiency of the high-temperature flue gas is improved, the energy consumption required for heating water by the boiler can be reduced, and the energy-saving and environment-friendly boiler has the characteristics of energy conservation and environmental protection.

The invention relates to the technical field of heat supply network systems, and discloses a distributed intelligent heat supply network system, which comprises a heat source pipe network, an urban main pipe network, a user main pipe network, valves, heat users, instruments, heat sources, controllers and frequency converters, and is characterized in that the heat source pipe network is connected with the heat sources and the urban main pipe network, the urban main pipe network is connected with the user main pipe network, and the valves are connected with the heat sources; the user main pipe network is connected with the heat users and the city main pipe network, and the valves are connected with the heat source pipe network, the city main pipe network and the user main pipe network. By adjusting the frequency converters at the heat users, the heat supply requirements of the heat users are met, and on-demand heat supply is truly achieved. The hydraulic imbalance problem of the system is eliminated, the heat supply efficiency is improved, and the heat supply quality is guaranteed.

The application relates to the battery technical field and provides a control device, a thermal management system and energy storage equipment. The thermal management system comprises a control device, a refrigerant unit and a heat exchange unit. Heat exchange fluid in a heat exchange flow path can exchange heat with refrigerant in a refrigerant flow path. The control device comprises a box body, a control module and a heat exchange structure. The box body forms a placing cavity and an assembly opening. The assembly opening is communicated with the placing cavity. The control module is arranged in the placing cavity. The heat exchange structure seals the assembly opening. The heat exchange structure comprises a fluid channel. The fluid channel is communicated with the heat exchange flow path. The heat exchange flow path is used for heat exchange with a battery monomer. Heat exchange fluid in the heat exchange flow path can flow through the fluid channel, so that the heat exchange fluid exchanges heat with the control module, and the control module is cooled or heated. The heat exchange structure seals the assembly opening. The heat exchange structure can occupy as little space as possible in the placing cavity.

The embodiment of the present application provides a kind of heat management integrated module and vehicle, heat management integrated module includes motor, battery, liquid pump, radiator, evaporator and first multi-way valve.Radiator is cooled to motor and forms motor loop with liquid pump.Battery has import side and export side, the import side of battery is communicated with the position of motor loop between liquid pump and radiator, the export side of battery is communicated with the position of motor loop between motor and liquid pump.Evaporator has import side and export side for cooling liquid to enter and exit, the import side of evaporator is communicated with the export side of battery, the export side of evaporator is communicated with the position of motor loop between motor and liquid pump.First multi-way valve is communicated with the export side of motor and the export side of evaporator, first multi-way valve can control the on-off of motor loop, and the on-off of the export side of motor and the export side of evaporator with motor loop, to integrate motor loop with battery and evaporator, reduce complexity, simplify the layout of vehicle.

The invention discloses a waste heat recycling method for a heat exchanger and a flash tank replacing a tubular furnace, and relates to the field of waste heat recycling in the industrial debenzolization process, the waste heat recycling method comprises the following steps: collecting steam generated during coke oven operation in real time, and dynamically adjusting the temperature and pressure of the steam through the design of a water circulation cooling device and a multi-stage pressure reducing valve; introducing the cooled and depressurized steam into a heat exchanger, evaluating the heat exchange deviation between the steam and the pressurized crude oil in the crude benzene area based on the type of the crude oil, and adjusting the flow output of a circulating pump; conveying the crude oil subjected to heat exchange to a debenzolization tower, evaluating the debenzolization efficiency based on an infrared spectrum technology, and if the debenzolization efficiency does not reach the standard, carrying out heat exchange again and conveying the crude oil to the debenzolization tower; and the condensed steam after heat exchange is input into a flash tank, and the low-pressure saturated steam after pressure reduction is merged into a low-pressure steam pipe network to realize secondary recovery of the steam.

The invention provides a power control method of a temperature adjusting device, an electric heater and a storage medium. The method comprises the steps that the current environment temperature is obtained; determining a target temperature corresponding to the current environment temperature based on a corresponding relation between a preset environment temperature and the target temperature; wherein the corresponding relation between the environment temperature and the target temperature comprises that when the environment temperature is larger than or equal to a preset environment temperature threshold value, the target temperature and the environment temperature are in negative correlation; when the environment temperature is smaller than a preset environment temperature threshold value, the target temperature is within a preset comfortable temperature deviation range; determining target power output by the temperature adjusting device based on the target temperature; and adjusting the output power of the temperature adjusting device according to the target power. According to the invention, the target power is adjusted based on the target temperature, so that the power adjustment is more accurate.

A first water inlet pipe of a first titanium plate heat exchanger of the system is connected with a water taking well, a first water outlet pipe of the first titanium plate heat exchanger is connected with a first water inlet pipe of a second titanium plate heat exchanger, and a first water outlet pipe of the second titanium plate heat exchanger is connected with a recharge well. The second water outlet pipe is connected with a first water inlet pipe of a steam type lithium bromide heat pump unit, a first water outlet pipe of the steam type lithium bromide heat pump unit is connected with a second water inlet pipe of a second titanium plate type heat exchanger, and the second water inlet pipe is connected with a heat supply network water return pipe and a heat supply pipe. A second water inlet pipe of the first titanium plate type heat exchanger is connected with a heat supply network water return pipe, a second water outlet pipe is connected with a heat supply pipe, a third water outlet pipe of the steam type lithium bromide heat pump unit is connected with a drain cooler, and the first titanium plate type heat exchanger is connected with the drain cooler. And waste heat is fully recovered.

The utility model provides a U-shaped hollow pipe electric heating radiant tube which comprises a U-shaped hollow pipe, a heat insulation shell, a temperature controller, a connecting pipe, a fixing plate and a wire holder, a resistance wire is arranged in the U-shaped hollow pipe, and the fixing plate is arranged on the side, away from the U-shaped hollow pipe, of the heat insulation shell; the temperature controller is connected with the resistance wire, the wire holder is arranged on the fixing plate, electrode wiring terminals are arranged on the wire holder, and the two ends of the connecting pipe are connected with the temperature controller and the corresponding electrode wiring terminals respectively. The heat insulation shell is arranged at the end of the U-shaped hollow pipe, the fixing plate, the wire holder, the connecting pipe, the temperature controller and other devices can be conveniently installed, heat can be prevented from entering the heat insulation shell and being dissipated out of the heat insulation shell, heat energy loss can be reduced, the heating efficiency can be kept, the built-in temperature controller can further ensure that heat energy output is controllable and stable, and the service life of the device is prolonged. Precise adjustment is allowed to meet specific heating requirements, and the efficient heat control not only saves energy, but also improves the overall efficiency of the heating process.

The present invention provides a remote terminal response and control method for an air source heat pump based on power regulation, including: obtaining the operating conditions, heat load, power consumption, indoor temperature, and heating hot water temperature data of the air source heat pump; generating a power adjustment plan according to a preset production plan in combination with the power system peak load, frequency regulation auxiliary demand and the operating conditions, heat load, power consumption, indoor temperature, and heating hot water temperature data; generating an automation instruction according to the power adjustment plan and preset power regulation assessment indicators; the automation instruction changes the operating power of the air source heat pump through multiple ways during execution to generate an adjustment result; according to the adjustment result, the demand response plan is adjusted and corrected by a preset correction model through dynamic planning, and the operating power of the air source heat pump is dynamically adjusted. The present invention solves the problem that the existing air source heat pump is difficult to achieve coupled control that takes into account both power auxiliary services and its own safety, energy saving, and comfort.

The invention relates to an adjustable induction heating system of a transverse / longitudinal magnetic single machine. The adjustable induction heating system comprises an induction heating host power supply unit, an induction heating extension transformer unit, a transverse / longitudinal magnetic adjusting unit and an induction coil group unit, the induction heating host power supply unit and the induction heating extension transformer unit are connected in series; the induction coil assembly unit comprises an upper coil assembly and a lower coil assembly, the upper coil assembly is located on the upper surface of the to-be-heated plate strip, and the lower coil assembly is located on the lower surface of the to-be-heated plate strip; the inner coils of the upper coil group and the lower coil group are respectively connected with the induction heating extension transformer unit through the transverse / longitudinal magnetic adjusting unit; multiple groups of systems are sequentially arranged in the running direction of a to-be-heated plate strip. Mutual conversion from transverse magnetic flux induction heating to longitudinal magnetic flux induction heating can be achieved, the multiple sets of heating systems are arranged in the running direction of the plate strip, and the temperature uniformity in the width direction of the plate strip can be effectively improved through different combinations of transverse magnetic flux induction heating and longitudinal magnetic flux induction heating.

The utility model relates to the technical field of photo-thermal air conditioners, in particular to a solar photo-thermal central air conditioner which comprises a solar heater provided with a liquid inlet pipe, a liquid outlet pipe and first electric control valves arranged on the liquid inlet pipe and the liquid outlet pipe. The photovoltaic panel is provided with a power supply terminal; the refrigerator is provided with a liquid inlet pipe, a liquid outlet pipe and second electric control valves arranged on the liquid inlet pipe and the liquid outlet pipe; the indoor unit is provided with a liquid inlet pipe, a liquid outlet pipe and a third electric control valve arranged on the liquid inlet pipe and the liquid outlet pipe; the solar heater, the refrigerator and the indoor unit are connected in parallel through a circulating pipeline, and the circulating pipeline is provided with a circulating pump. According to the utility model, the light and heat of the sun can be fully utilized to realize the refrigeration and heating functions of the indoor unit, so that the indoor unit can be used in remote mountainous areas, islands, frontier sentries, desert abdominal lands and other scenes without mains supply access.

The present invention discloses a solar thermal storage and heating device based on a linear Fresnel lens, comprising a photovoltaic assembly, a heat storage tank, a linear Fresnel lens photothermal assembly, a pump, a storage battery, a three-way valve 1, a three-way valve 2, a stop valve and a housing; the photovoltaic assembly is electrically connected to the pump and the storage battery respectively; the linear Fresnel lens photothermal assembly is rotatably installed in the housing; the outlet of the pump is respectively connected to the inlet of the linear Fresnel lens photothermal assembly and the inlet of the branch pipe; the outlet of the branch pipe is connected to the lower port of the heat storage tank; a stop valve is arranged on the branch pipe; the outlet of the linear Fresnel lens photothermal assembly is respectively connected to the upper port of the heat storage tank and the inlet on the user side through the three-way valve 2; the inlet of the pump is respectively connected to the outlet on the user side and the lower port of the heat storage tank through the three-way valve 1. The present invention designs two corrosion-resistant heat-conducting pipes with different settings and phase-change materials with different phase change temperatures inside, which can store heat at different temperatures and realize gradient heat storage.

The present invention discloses an intelligent regulation method for household heating pipelines, wherein a flow regulating valve is installed on the household water supply pipeline; the method comprises: obtaining the indoor ambient temperature of the user, determining the temperature difference between the indoor ambient temperature and the target temperature, and adjusting the flow regulating valve if the temperature difference is not within the acceptable range; obtaining the indoor area of ​​the user, determining the product of the temperature difference and the indoor area, and determining the user heat load required by the user according to the product; obtaining the water supply temperature in the household water supply pipeline, determining the ratio of the user heat load to the water supply temperature, and determining the valve opening of the flow regulating valve according to the ratio; obtaining the total length of the household heating pipeline, and correcting the valve opening of the flow regulating valve according to the total length of the pipeline. By adjusting the valve opening of the flow regulating valve, refined hydraulic balance regulation of household heating is achieved to achieve the purpose of heat saving.

The utility model provides a bearing module of a nucleic acid extraction and amplification kit, which comprises a bearing groove for bearing the nucleic acid extraction and amplification kit, and a buckle component, a heating component and a magnetic component are arranged in the bearing groove; the connecting piece, the shifting block, the guide rail and the tension spring structure are designed on the buckle assembly, so that the nucleic acid extraction and amplification kit can be mounted, fixed and dismounted very conveniently, and the buckle assembly can automatically return to the original position after being dismounted; through the structural design of the magnetic attraction assembly, the magnetic attraction function can be accurately controlled only by shifting the sliding block, and the automation effect is improved; through the design of specific heating assemblies for different parts, the temperature control effect is improved, and a guarantee is provided for extraction, amplification and detection of nucleic acid.

The utility model discloses a kind of coal-fired power plant boiler systems of promoting deep carbon reduction capacity, by being equipped with hot secondary air warm air heater on secondary air duct, and hot secondary air warm air heater is equipped with extraction steam heating hot secondary air after steam exhaust pipeline;Extraction steam heating hot secondary air after steam exhaust pipeline connects two-stage temperature and pressure reducer, and two-stage temperature and pressure reducer is discharged by the steam exhaust steam turbine two-stage extraction steam pipeline through the steam exhaust steam turbine two-stage extraction steam pipeline adjusting valve of steam turbine two-stage extraction steam pipeline;Main steam output pipeline is connected with one-stage temperature and pressure reducer by being sequentially set extraction steam import shut-off valve, extraction steam import regulating valve extraction steam main pipe in sequence, and one-stage temperature and pressure reducer is equipped with extraction steam pipeline after temperature and pressure reduction;Extraction steam pipeline after temperature and pressure reduction is communicated hot secondary air warm air heater;To solve the problem that boiler stable combustion, feedwater temperature is low, coal mill drying treatment is insufficient when coal-fired power plant boiler exists depth peak shaving, improve the economy of boiler deep regulation condition simultaneously, reduce carbon emission.

The application provides a heat supply regulation and control method and device of a heat exchange unit, electronic equipment and a storage medium. The method comprises the following steps: acquiring a current heat load value and a heat supply regulation and control parameter of the heat exchange unit in real time according to a preset regulation and control period; determining a first target heat load value of the heat exchange unit based on the heat supply regulation and control parameter; correcting the first target heat load value to obtain a second target heat load value; and regulating and controlling the heat supply of the heat exchange unit based on the second target heat load value and the current heat load value. The technical problem that the heat supply demand of each heat exchange unit cannot be accurately measured in the prior art is solved, and the purpose of flexible heat supply regulation and control is achieved.

The invention discloses a liquid metal-graphite heat storage device for waste heat recovery of a large heat supply unit, and belongs to the technical field of waste heat utilization, the device comprises a communicating pipe and a heat storage tank, the heat storage tank comprises a shell, a heat preservation layer and a graphite block layer, the graphite block layer forms a containing cavity, phase change molten metal is contained in the containing cavity, and the communicating pipe is communicated with the shell; the heat storage tank is provided with a first heat exchange pipe used for being inserted into the phase change molten metal. Waste heat of high-temperature waste gas generated in the working process of a large-scale thermal power heat supply unit can be stored, heat is transmitted to the graphite block through liquid metal, the composite structure can improve the rate and performance of the high-temperature heat storage / release process, the economic cost is reduced, the phase-change molten metal has high thermal conductivity and a moderate melting point, and the phase-change molten metal can be recycled. The heat storage tank is compact in structure, large in energy storage density, simple in structure and reliable in operation, the graphite blocks have high specific heat capacity and good heat stability, and the heat storage device sequentially achieves cascade storage of high-grade heat energy, medium-grade heat energy and low-grade heat energy.