5066results about "Fluid heaters" patented technology

The invention discloses an alpine region-based double-curvature arch dam aeration ice-melting anti-icing device, and relates to the technical field of anti-icing, the alpine region-based double-curvature arch dam aeration ice-melting anti-icing device comprises a double-curvature arch dam body, a lifting structure, an aeration anti-icing structure, a PLC controller, a temperature sensor and a liquid level sensor are arranged on the outer convex curved surface side of the double-curvature arch dam body, and the aeration anti-icing structure comprises a plurality of fourth connecting pipes; the bottoms of the outer sides of the fourth connecting pipes are fixedly connected with a plurality of pressure release valves, and the bottoms of the pressure release valves are fixedly connected with bubble generators, so that along with the rise of the internal air pressure of the fourth connecting pipes, the air flow bursts through the pressure release valves and then is discharged through the bubble generators, and a large number of bubbles are generated; and in the process that the bubbles move towards the water surface, the water surface is stirred, the water surface is prevented from being frozen, the anti-freezing effect on the upstream side of the hyperbolic arch dam body is comprehensively achieved, and damage to the structure of the upstream side of the hyperbolic arch dam body caused by freezing is reduced.

The invention provides a water working medium quasi-saturated compression high-temperature heat pump system based on an ejector, and belongs to the field of compression heat pumps. The problems that after an existing compression system flows through a throttling valve, the superheat degree of steam exhaust is large due to high-temperature lift compression, and the loss of available energy in the throttling process from condensate to a two-phase region is too large are solved. A multi-stage spraying atomization structure is adopted, a micro-nano liquid drop mist flow with the particle size controllable to be 50-200 nm and the liquid mass fraction adjustable to be 5%-10% is formed before compression, the airflow humidity regulation and control precision is remarkably improved, the quasi-saturation compression process is matched, and the thermal matching performance and the energy efficiency level of a system are effectively improved; a main flow inlet of the jet atomizer is changed into a compressor outlet from a condenser outlet, so that the response speed is increased, and meanwhile the jet atomizer is suitable for a complex variable-working-condition system; or single-stage compression is optimized into a two-stage compression form, so that higher heating temperature and more stable system operation are realized; or liquid from a lower-pressure position is injected, so that the injection capacity is improved.

The utility model relates to a data center waste heat comprehensive gradient utilization energy system in a science park. The technical problems that energy systems in an existing science park are mutually independent, the operation cost is high and the like are solved. Comprising a data center refrigerating system connected with a data center, the data center refrigerating system is connected with an industrial waste heat utilization system and a building waste heat utilization system in parallel through a waste heat recovery system, and the building waste heat utilization system is provided with any one or more combinations of a heating system, a domestic hot water system and a fresh air system. The data center refrigerating system and / or the building waste heat utilization system are / is connected with a redundant refrigerating system. The system has the advantages that heat exchange can be conducted on the data center through the heat dissipation assembly and the redundant refrigeration system, and stable operation of the data center is guaranteed. The redundant refrigeration system can stop refrigeration of the office building and turn to refrigeration of the data center in a non-refrigeration season or when a heat dissipation assembly breaks down, and stable operation of the data center is guaranteed.

The invention provides a solar energy-air energy composite heat pump system based on self-contained energy storage cascade application and a control method. The solar energy-air energy composite heat pump system comprises a heat pump host module, a solar module and a hydraulic module. Hot water generated by the solar heat collector is accumulated in the energy storage water tank and serves as an external heat source for active enhanced vapor injection to improve the performance of the heat pump. An active enhanced vapor injection device is designed for a heat pump host module, a refrigerant in an economizer absorbs heat of heat storage hot water, is jetted to a middle pressure cavity of a compressor and is converted into heating capacity, and the performance of the heat pump is greatly improved. When it is detected that the temperature in the heat storage water tank is reduced to a certain temperature, the flow direction of the heat storage hot water is switched through the switching assembly, the heat storage hot water is pumped to the heat pump fluorine-water heat exchanger for heat exchange, the heat pump performance is improved, and cascade application of the heat storage hot water is achieved. Refrigerant flows in the fin type heat exchanger and the fluorine-water heat exchanger are controlled by respective electronic expansion valves, and the opening degrees of the fin type heat exchanger and the fluorine-water heat exchanger are adjusted according to respective air suction superheat degrees, so that respective optimal heat exchange effects are realized.

The invention discloses a gas water heating device and a condensing heat exchanger thereof, and the condensing heat exchanger comprises a heat exchange chamber, a gas water heater, a gas water heater and a gas water heater, wherein the heat exchange chamber is provided with a flue gas inlet and a flue gas outlet; a heat exchange component is arranged in the heat exchange cavity, and condensate water generated on the heat exchange component flows to the bottom of the heat exchange cavity; the atomization cavity communicates with the heat exchange cavity, a condensate water output part is arranged at the bottom of the heat exchange cavity, and condensate water flowing out of the condensate water output part flows into the atomization cavity; the first flow channel is communicated with the atomization chamber, and the first flow channel is used for guiding flue gas, which does not completely exchange heat with the heat exchange component, in the upstream of the flue gas inlet or in the heat exchange chamber into the atomization chamber; the atomization module is used for carrying out atomization treatment on the condensate water flowing into the atomization cavity so that the condensate water can form water mist; and the water mist flows out of the condensation heat exchanger along with the flue gas flowing into the atomization chamber. A condensate water discharge pipe can be omitted, and secondary condensation of water mist can be prevented in the process that the water mist is discharged outwards through the smoke outlet pipe.

Module (M) for a stationary heat pump system comprising: at least one heat exchanger (W1, W2, W3). The at least one heat exchanger (W1, W2, W3) consists of interconnected plates arranged one above the other or side by side. A characteristic feature of the invention is that the module (M) has at least one connector (VWQ, VWV) for establishing a fluid-tight connection between the at least one heat exchanger (W1, W2, W3) and at least one heat source and / or at least one heat consumer. The module (M) also includes a compressor (KP) and an expansion valve (EV). A component (B) for a stationary heat pump system comprising at least one fourth heat exchanger (W4) and at least one module (M) according to the invention. The at least one fourth heat exchanger (W4) is a direct evaporator.

The utility model relates to the technical field of water heaters, and provides a water path assembly and a water heater, the water path assembly comprises a shell, a thermostatic valve and a water replenishing valve; a water inlet channel, a cold water channel, a water supplementing channel, a hot water channel and a water using channel are formed in the shell, the water inlet channel is used for inputting cold water, the cold water channel and the water supplementing channel are both connected with the water inlet channel, the hot water channel is used for inputting high-temperature hot water, and the water using channel is used for outputting constant-temperature hot water. The cold water path and the hot water path are connected with the input end of the thermostatic valve, and the output end of the thermostatic valve is connected with the water path to output constant-temperature hot water through the thermostatic valve; the water supplementing valve is arranged on the shell and acts on the water supplementing waterway so as to control on-off of the water supplementing waterway. The thermostatic valve and the water replenishing valve are integrated on the shell, so that connecting nodes between the valve body and a pipeline are reduced, water leakage points are further reduced, the water leakage probability of the water path assembly is lower, and a water path system is more stable.

The invention discloses a cold and heat quadruple supply system and a control method thereof, belongs to the technical field of refrigerating and heating devices, and is designed for solving the problems that cold and heat demand time is not matched and the like. The cold and heat quadruple supply system comprises a first unit used for cooling and heating and comprising a cold and heat all-in-one machine; the second unit is used for supplying high-temperature hot water and comprises a high-temperature heat pump; and the third unit is used for supplying high-temperature steam and comprises a flash tank and a steam compressor. According to the cold and heat quadruple supply system and the control method thereof, cold water, heat supply, hot water and high-temperature steam can be prepared at the same time, the problem that cold and heat demand time is not matched is solved, and use is more convenient; and the operation state and the heat storage and cold storage conditions of the unit can be determined according to the cold quantity and the heat quantity actually required by a user, so that the operation energy consumption is reduced.

The present invention relates to fins and a heat exchanger comprising same. The fin may comprise: a fin body including a tube insertion hole, which is open in a reference direction and is provided such that a tube extending in the reference direction is inserted therein, and an application hole, which is disposed above the tube insertion hole, communicates with the tube insertion hole, and is open in the reference direction; a first protrusion part protruding in the reference direction from a first edge region, which is a region defining the application hole of the fin body; and a second protrusion part protruding in the reference direction from a second edge region, which is a region defining the tube insertion hole of the fin body.

A gas distribution rod body, a gas distribution pipe, a separation part and a first installation part are of an integrally-formed structure, when the winter and summer switching function is not needed, a first plugging piece can be installed in a first opening, and a third plugging piece can be installed in the corresponding first installation part; when a winter and summer switching function is needed, the gas channel can be divided into at least two gas dividing cavities only by installing the partition pieces to the corresponding partition parts, then the first plugging piece is installed in the first opening, and the control valve is installed on the first installation part according to needs. Therefore, the gas distribution rod can be simultaneously suitable for a gas water heater with a winter-summer conversion function and a conventional water heater without the winter-summer conversion function, and the applicability of the gas distribution rod is greatly improved. In addition, the utility model further discloses a gas water heater with the gas distribution rod.

A haircare appliance has a main body housing an airflow generator for generating an airflow, an intermediate attachment for detachably connecting to the main body, and a hair treatment attachment for detachably connecting to the intermediate attachment. The intermediate attachment has an inlet for receiving the airflow from the main body and an outlet for emitting the airflow. The hair treatment attachment is configured to receive the airflow from the outlet of the intermediate attachment and emit the airflow towards hair to be treated in use. The intermediate attachment has a sensor module for sensing a property of at least one of hair to be treated and the hair treatment attachment.

The invention discloses an electricity-gas-heat integrated energy microgrid optimal configuration system considering an extreme event, which belongs to the technical field of integrated energy system optimization and comprises the steps of constructing a system model, setting an objective function, calculating, setting constraint conditions, setting extreme safety constraints, and establishing a planning model and a solving model. The system model comprises a gas turbine, a gas-fired boiler, photovoltaic equipment, wind power equipment, an electric heating pump and battery energy storage and heat energy storage equipment, and is used for meeting the requirements of electric energy, heat energy and gas loads in the system and ensuring the balance of the electric quantity and heat of the system. By constructing an optimization model of a comprehensive energy system, the uncertainty of renewable energy output is processed by utilizing a static robust optimization technology, and the uncertainty of power grid or gas grid faults caused by extreme natural disasters is combined, so that the operation safety and stability of the system in the disaster period are ensured.

The present application discloses a bar burner and a combustion device. The bar burner comprises: a bar burner body, a gas flow channel being formed inside the bar burner body, the bar burner body being provided with a top plate, and the top plate being provided with a plurality of combustion flame holes communicated with the gas flow channel; a metal mesh provided on one side of the top plate and arranged corresponding to the plurality of combustion flame holes; and a distribution and flame stabilizing piece provided in the gas flow channel, the distribution and flame stabilizing piece being provided with a plurality of distribution holes communicated with the plurality of combustion flame holes.

A system for generating steam for industrial heat. The system may include a plurality of heat pump cycles in thermal communication with each other and in thermal communication with a steam generation cycle. The plurality of heat pump cycles may include first and second heat pump cycles. The first heat pump circulates a first a working fluid and includes a first heat exchanger. The second heat pump cycle circulates a second working fluid and includes a second heat exchanger. The first heat exchanger transfers heat from the first to the second working fluid. The second heat exchanger transfers heat to a third working fluid in the steam generation cycle.

The invention belongs to the technical field of energy storage devices, and particularly relates to an electromagnetic induction heating fluidized bed, a heat storage and energy storage system and a heat exchange method of the fluidized bed. The electromagnetic induction heating coil is arranged on the fluidized bed body and is used for heating a heat storage material in an inner cavity of the fluidized bed body; the cooling gas circuit passes through the electromagnetic induction heating coil, the cooling gas circuit is used for cooling the electromagnetic induction heating coil, and an outlet of the cooling gas circuit is communicated with an inner cavity of the fluidized bed body. Heat storage materials in the inner cavity of the fluidized bed body can be heated, Joule heat generated by the electromagnetic induction heating coil is fully utilized, natural heat which is absorbed by the electromagnetic induction heating coil and comes from the fluidized bed body is recycled, and the overall energy utilization efficiency of the heat storage system is improved.

A water heater including a cabinet having an inlet, an outlet, and a flow path disposed between the inlet and the outlet and having a plurality of upper and lower junctions to redirect the flow path. Each lower junction includes a drain port. A flow rate sensor measures the flow rate of the fluid through the flow path, an inlet temperature sensor measures an inlet temperature, an and outlet temperature sensor measures the outlet temperature. Heating elements are disposed along the flow path between the inlet and outlet temperature sensors, and intermediate temperature sensors are disposed adjacent respective heating elements to measure an intermediate temperature within the flow path. A controller operates the heating elements to heat a fluid within the flow path to a predetermined set point temperature based on the measurements of the flow rate sensor and temperature sensors.

The present application relates to a system and method for supplying cascade energy using waste heat from a power plant during production. The waste heat from the power plant during production is connected to a heat source inlet of a lithium-bromide absorption chiller and to a waste water inlet of a waste water heat exchanger, and a heat source outlet of the lithium-bromide absorption chiller is connected to the waster water inlet of the waste water heat exchanger and to a water return port of the waste heat from the power plant during production; the lithium-bromide absorption chiller is connected to a chilled water intake line, a chilled water output line, a cooled water intake line and a cooled water discharge line, the cooled water discharge line is connected to a clean water side inlet of the waste water heat exchanger, and a clean water side outlet of the waste water heat exchanger is sequentially connected to a water purification device and a hot water tank; the clean water side inlet of the waste water heat exchanger is connected to a heating water return line, and the clean water side outlet of the waste water heat exchanger is connected to a heating water supply line; and a water outlet of the waste heat from the power plant during production is further connected to a heat source inlet of a solution regenerator, and a waste water outlet of the solution regenerator is connected to the water return port of the waste heat from the power plant during production. The system of the present application has high energy utilization efficiency, thus effectively expanding the range of waste-water waste heat utilization.

The invention relates to the field of uranium concentration, and discloses an energy-saving device and method for drying a first-batch centrifugal unit. According to the device, an inlet of a centrifugal machine is connected with an outlet of an evaporator through a pipeline provided with a fourth cooling valve and an eighth cooling valve and is connected to the secondary side of a cooling plate heat exchanger and the secondary side of a heating plate heat exchanger respectively; an outlet of the centrifugal machine is connected with an inlet of the evaporator through a sixth cold valve, a first cold valve and a second water pump. An inlet of the sixth cold valve is connected with the secondary side of the heat supply plate heat exchanger through a first water pump. The primary side of the cold supply plate heat exchanger is connected with a newly-built cooling tower loop, and the primary side of the heat supply plate heat exchanger, the condenser and the newly-built cooling tower form circulation. By optimizing system connection and a heat energy circulation path, the energy utilization efficiency and the equipment utilization rate are effectively improved, and the investment and operation cost is remarkably reduced.

The invention discloses a heat pump circulation system and a heat pump circulation control method. The heat pump circulating system comprises a compressor, a first condenser, a second condenser, an evaporator, an expansion valve, a first switch valve, a second switch valve and a third switch valve, and the compressor communicates with the first condenser through a first branch pipeline of a first pipeline and communicates with the second condenser through a second branch pipeline. The first condenser and the second condenser are connected in series through the second pipeline, the first switch valve is arranged on the first branch pipeline, the second switch valve is arranged on the second branch pipeline, and the third switch valve is arranged on the second pipeline. By controlling the on-off of the first switch valve, the second switch valve and the third switch valve, the heat pump circulation system has a primary heating mode in which only the second condenser participates in work and a secondary heating mode in which the first condenser and the second condenser work simultaneously, so that the heat exchange efficiency of the condensers is improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a thoracic surgery anti-clogging nursing drainage device which comprises a drainage bottle fixedly connected with a drainage tube. The rolling mechanism is arranged outside the drainage tube and is used for assisting drainage and reducing blockage; the heating mechanism is arranged in the rolling mechanism and used for heating to reduce blockage, the heating mechanism comprises a plurality of heating rods, and the heating rods are arranged in the pressing roller in a penetrating mode; and the limiting mechanism is arranged on the shell and is used for fixing the position of the shell on the drainage tube. Liquid in the drainage tube can be pushed to move through extrusion of the pressing roller of the rolling mechanism, drainage is assisted, blockage is reduced, the liquid in the drainage tube can be heated through the heating rod of the heating mechanism, and the situation that the drainage tube is blocked due to the fact that blood clots are formed in the drainage liquid when the temperature is low is reduced.

The invention relates to a water source heat pump system for raising the temperature of sewage in the fields of sewage treatment and renewable energy utilization. In order to solve the problem that the temperature of raw sewage in Shanxi, Inner Mongolia and other areas in winter is low to affect biochemical reaction, the system uses treated reclaimed water as a heat source of a water source heat pump to increase the temperature of the raw sewage. Compared with a traditional boiler heat supply and air source heat pump, the system has the advantages of being efficient in energy utilization, environmentally friendly, safe, high in energy efficiency ratio, stable in performance and the like. Influence on sewage treatment capacity and water quality is avoided through indirect heat exchange, the temperature of discharged reclaimed water is low, disturbance to residents is reduced, the automation degree is high, remote control of a central control room can be achieved, the problem of temperature rise of raw sewage is effectively solved, and the sewage treatment effect is ensured.

The utility model relates to the field of industrial boiler equipment, in particular to an automatic chemical feeding device for a boiler, which comprises a chemical feeding tank and the boiler, the chemical feeding tank and the boiler are connected through a boiler water supply pipeline, the top of the chemical feeding tank is provided with a water feeding port and a chemical feeding port, the water feeding port is connected with an external water supply pipeline, and the chemical feeding port is connected with an external chemical supply pipeline. A first electromagnetic valve is arranged on the water adding opening, a second electromagnetic valve is arranged on the medicine adding opening, a liquid level meter is installed on the outer side face of the medicine adding tank, a metering pump is arranged on a water supply pipeline of the boiler, a water quality monitor is arranged on the inner wall of the boiler, and the system further comprises a controller which is electrically connected with the first electromagnetic valve, the second electromagnetic valve, the liquid level meter, the metering pump and the water quality monitor. The utility model provides an automatic boiler dosing device which solves the problems that an existing boiler dosing device is low in operation efficiency, high in safety risk and high in maintenance cost.

The utility model discloses fuel gas water heating equipment, which relates to the technical field of water heating equipment, and comprises a main machine body, a fuel gas water heater and a water heater, the fan and water pump assembly is installed on the main machine body and comprises a driving device, a fan assembly and a water pump assembly, the fan assembly and the water pump assembly are in driving connection with the driving device, the fan assembly is communicated with the air path system, and the water pump assembly is communicated with the water path system. The driving device is used for controlling the fan assembly and the water pump assembly to operate, so that the fan assembly drives airflow to flow along the air path system, and the water pump assembly drives water flow to flow along the water path system. According to the technical scheme, the cost of the gas water heating equipment can be reduced, the size of the whole machine is reduced, and meanwhile the assembling efficiency of the whole machine can be improved.

An outdoor unit of an air conditioner according to the present disclosure includes a base panel in which an inlet hole and an outlet hole are formed; a compressor placed on the base panel; a heat storage tank having a refrigerant flow path through which the refrigerant discharged from the compressor flows and a water flow path for exchanging heat with the refrigerant flowing along the refrigerant flow path formed therein; a water pipe unit connected to the heat storage tank; a pump for supplying water to the heat storage tank; a vertical panel defining at least one of a side surface and a rear surface of the base panel and having an inlet hole and an outlet hole; a deaerator for removing air bubbles contained in the water passing through the heat storage tank, in which the water pipe unit may include a pump inlet pipe having one end portion connected to an inlet of the pump; a pump outlet pipe connecting an outlet of the pump and an inlet of the water flow path; a deaerator inlet pipe connecting an outlet of the water flow path and an inlet of the deaerator; and a deaerator outlet pipe having one end portion connected to an outlet of the deaerator; and in which the other end portion of the pump inlet pipe and the other end portion of the deaerator outlet pipe may be connectable to either a vertical panel or the base panel.

The utility model discloses a fire grate, a combustor and a gas water heater, the fire grate comprises a fire grate body, a combustion cover and a flow equalizing plate; the fire grate body is provided with a gas channel and a gas outlet communicated with the gas channel; the combustion cover covers the air outlet and is provided with a plurality of fire holes which are distributed at intervals in the length direction; the flow equalizing plate is arranged in the gas channel, is opposite to the combustion cover and is arranged at an interval with the combustion cover, a plurality of flow equalizing holes are formed in the flow equalizing plate at intervals in the length direction, and the flow equalizing plate extends to the other end of the fire grate body from one end of the fire grate body in the length direction; according to the technical scheme, air inlet resistance is increased through secondary pressure equalizing and flow dividing, so that air outlet of the fire holes is uniform, the height of flames at the head of the fire grate is reduced to be the same as that of flames at the tail, the uniformity of the overall height of the fire grate combustion flames is improved, the combustion space is effectively shortened, heat loss is reduced, and CO emission is reduced.

The invention provides a control method of a heat recovery system. The control method of the heat recovery system comprises the steps that demand information is obtained; when the heating requirement and the water heating requirement are met at the same time, the current indoor temperature Tn and the set indoor temperature Ts are obtained; calculating a room temperature difference value between the indoor temperature Tn and the set room temperature Ts; selecting a system operation mode according to the room temperature difference value; wherein the system operation modes comprise an independent heating mode, a main heating and auxiliary water heating mode, a main water heating and auxiliary heating mode and an independent water heating mode. According to the control method of the heat recovery system, the operation efficiency of the heat recovery system can be improved, and the energy utilization rate is increased.

The utility model discloses heat pump equipment and a hot water heating system with the heat pump equipment, the heat pump equipment comprises a box body, a heat exchanger and a fan, and the box body is provided with an air inlet capable of sucking external air along a first direction; the heat exchanger is arranged in the box body and divides the interior of the box body into an air inlet cavity and an air outlet cavity, and the air inlet communicates with the air inlet cavity; the fan is arranged in the air outlet cavity, an air guide plate is arranged on the side, close to the heat exchanger, of the fan, an air suction opening is formed in the air guide plate, and a static pressure cavity is defined between the air guide plate and the heat exchanger; the heat exchanger is obliquely arranged relative to the air suction direction of the air suction opening, and in the first direction, the distance between the heat exchanger and the air guide plate is gradually increased. According to the utility model, the wind field uniformity in the heat pump equipment can be effectively improved, so that air can flow through the heat exchanger more uniformly to improve the heat exchange effect.

The present disclosure is generally directed towards a water supply system, a control method, an electronic device and a storage medium. The water supply system includes a main faucet, a water outlet accessory receptacle, a main control box, a thermostatic valve, and one or more water outlet accessories. The main control box includes a controller and a water outlet accessory waterway. The water outlet accessory waterway at least includes a heater. One end of the water outlet accessory waterway is communicated with the inlet of the main control box, and the other end of the water outlet accessory waterway is connected with the outlet of the main control box. The controller is connected to the heater and the thermostatic valve respectively.

The invention discloses a front water treatment device and a water heater. The front water treatment device comprises a valve body, the valve body is of a cylindrical structure with two open ends, one port of the valve body is a connecting port, the other port of the valve body is a dismounting port, the connecting port and the dismounting port are oppositely arranged, a three-way structure is formed on the side wall of the valve body, and a water inlet connecting pipe and a water outlet connecting pipe are formed at the two ends, located outside the valve body, of the three-way structure respectively; the filter element is arranged in the filter bottle, the filter element is provided with an inlet and an outlet, and the filter element is configured to filter water input from the inlet and output the water from the outlet; the filter bottle is arranged on the connecting port, the filter element penetrates through the valve body through the dismounting port and extends into the filter bottle, and the middle pipe is inserted into the water inlet connecting pipe. Through the integrated design of a valve body water inlet and outlet flow path in the front-mounted water treatment device, the overall size of the front-mounted water treatment device is reduced, and the filter element can be independently disassembled so as to facilitate disassembly, assembly and maintenance of the front-mounted water treatment device.

A fused salt energy storage coupled CO2 air source heat pump water heater cascade energy storage steam supply system comprises a first-stage energy storage system and a second-stage energy storage system, the first-stage energy storage system comprises a softened water tank, and a water inlet of the softened water tank is connected with a water outlet of a softened water treatment device through a water conveying pipeline; a water outlet of the softened water tank is connected with a water inlet of a heated channel of a condenser of the carbon dioxide air source heat pump water heater through a softened water pipe connected with a softened water pump in series, and a water outlet of the heated channel of the condenser is connected with a water inlet of the heat storage water tank through a first-stage hot water pipe. A high-temperature and high-pressure gaseous carbon dioxide inlet of the heat dissipation channel of the condenser is connected with a circulating medium outlet of the carbon dioxide compressor through a pipeline. According to the cascade energy storage and steam supply system of the fused salt energy storage coupled CO2 air source heat pump water heater, the electricity price advantage of electricity in the off-peak period is fully utilized, the operation cost of a steam supply system of an enterprise can be reduced, and finished steam with the lower cost is provided for the enterprise.