69 results about "Absorption refrigerator" patented technology

The invention relates to the technical field of gas-fired boilers, in particular to a distributed energy system based on a gas-fired boiler and an operation method. A three-layer convolutional neural network model is adopted by a load prediction module of the intelligent control platform, a cooling, heating and power load prediction value is output through convolutional layer feature extraction and a full connection layer, and an energy scheduling module is combined based on a model prediction control algorithm, and the lowest system operation cost is taken as a target. State variables such as steam pressure and the opening degree of a fuel regulating valve are optimized in a rolling mode, the load prediction accuracy and the multivariable collaborative optimization capacity are improved, and steam emptying is reduced. A steam exhaust port of a low-pressure steam turbine of a double-shaft back pressure type steam turbine set is divided into two paths which are connected with a steam-water heat exchanger and an absorption refrigerator respectively, steam exhaust flow distribution is adjusted through an electric adjusting valve, a water heat storage tank and a lithium battery energy storage system are combined, cooperative control is conducted through an energy management gateway, heat is stored and released during heat load fluctuation, and charging and discharging are conducted in the valley-peak section of a power grid. The heat-to-electricity ratio adjusting range is widened, and insufficient heat supply is reduced.

The invention discloses a gas turbine combined cycle cooling, heating, power and hydrogen combined supply system coupling high-temperature heat storage and phase change cold storage and an operation control method thereof, the system is composed of a power plant inner side subsystem and an outer side subsystem, the power plant inner side subsystem comprises a gas turbine combined cycle unit, a high-temperature heat storage unit and a steam collector, the split-flow heat storage of high-temperature exhaust smoke heat and the flexible allocation of high-temperature steam are realized; the system comprises a hydrogen production unit and a heat and cold supply pipe network, and is combined with a steam turbine, an absorption refrigeration device, a mechanical refrigeration device and a phase change cold storage device, so that efficient supply and gradient utilization in a multi-energy form are realized. The operation control method provided by the invention comprises the steps of parameter acquisition and demand prediction, steam distribution regulation and control, heat storage and heat release management, hydrogen production load regulation and waste heat coupling utilization, cold and heat energy regulation, cold storage balance and the like, and is assisted by layered optimization control of an energy management platform; and multi-energy cooperative supply and flexible peak regulation of electric power, heat energy, cold energy and hydrogen energy can be achieved.

The invention belongs to the technical field of building energy management and energy storage, and provides a building load transfer system and method based on graded phase change heat storage, in an energy storage stage, high-temperature hot water prepared by an electric heating device enters a graded phase change energy storage subsystem through a pipeline; in the heat supply stage, building return water is heated by the high-temperature energy storage unit and the low-temperature energy storage unit and then fed into the heat supply tail end; in the refrigeration stage, hot water output by the high-temperature energy storage unit drives the ammonia water absorption refrigerator to generate chilled water, then cooling is conducted through the heat supply tail end, and the high-temperature energy storage unit and the low-temperature energy storage unit are innovatively arranged in series; during energy storage, hot water sequentially releases heat according to the temperature from high to low, and return water sequentially absorbs heat according to the temperature from low to high during energy release and heat supply, so that temperature alignment and gradient utilization of heat energy are realized, loss in the heat transfer process is greatly reduced, and the overall energy utilization efficiency is remarkably higher than that of a traditional single-stage heat storage system; and the application of the phase change energy storage technology in building energy storage and energy utilization is promoted.

The application discloses a multi-time scale hierarchical scheduling method for a combined heat and power system containing electric vehicles, and the system comprises a micro gas turbine unit, an absorption refrigeration unit, a ground source heat pump unit, a wind turbine unit, photovoltaic, a battery, a super capacitor and a heat storage device. The optimization method contains two time scales. In the day-ahead stage, economic scheduling is carried out according to the day-ahead predicted power value of wind power and photovoltaic and the day-ahead predicted value of load power in the system, and a target function and optimization constraint condition are established, and the result is used as a reference for the day-ahead optimization. In the day-ahead stage, a two-layer rolling optimization model is considered, a target function and a constraint are established, and a model predictive control (MPC) rolling optimization layer corrects the result of the upper layer according to real-time predicted power information and non-planned behavior of the electric vehicle (EV). The application adopts a multi-time scale hierarchical optimization strategy, real-time tracks the optimal scheduling strategy of the combined heat and power system containing electric vehicles, and realizes a win-win situation between the electric vehicle owner and the micro-grid operator.

Systems and methods for operating a datacenter are disclosed. In at least one embodiment, method for operating a datacenter includes receiving a source of gas to a fuel cell to produce electrical power. The method further includes providing the electrical power to one or more electronic components in the datacenter. The method further includes capturing waste heat, generated by the fuel cell in converting the gas to the electrical power, using a heat exchanger. The method further includes providing the waste heat to an absorption chiller to produce cooled liquid to be utilized with a cooling system to remove heat from the one or more electronic components.

The application discloses a marine double-cold-source heat energy saving and controlling air conditioning unit and relates to the technical field of air conditioning units. The marine double-cold-source heat energy saving and controlling air conditioning unit comprises an outer frame, a controller is arranged on the inner bottom surface of the outer frame close to the front surface, and a compression refrigerating machine for providing stable refrigerating capacity is arranged on the inner side edge of the outer frame. The marine double-cold-source heat energy saving and controlling air conditioning unit guarantees the efficient utilization of ship exhaust gas, fixedly connects a medium-temperature exhaust gas pipeline in the ship with a first three-way pipe, preheats the heat conducting oil, and when the high-temperature exhaust gas in the smoke heat exchanger is insufficient to normally provide stable high-temperature heat source for the absorption refrigerating machine, the heat conducting oil can be preheated in the preheating bin and then rapidly heated in the smoke heat exchanger, so that the temperature of the heat conducting oil is rapidly raised, the stable operation of the absorption refrigerating machine is guaranteed, and the ship exhaust gas is efficiently utilized.

The application discloses a carbon dioxide pressurization system and a carbon dioxide pressurization method, and belongs to the technical field of pipeline transportation. In the system, a multistage pressurization compressor pressurizes gaseous carbon dioxide multiple times until the liquefaction pressure of the carbon dioxide is reached, and the heat generated by the gaseous carbon dioxide after each pressurization is transferred to an absorption refrigerator through a first heat exchange system for heat exchange. When the liquefaction pressure is reached, the multistage pressurization compressor transfers the heat generated by the gaseous carbon dioxide reaching the liquefaction pressure to the absorption refrigerator through a second heat exchange system for heat exchange. The second heat exchange system cools the gaseous carbon dioxide to obtain liquid carbon dioxide, and the liquid carbon dioxide is transported to a pressurization system, and the pressurization system pressurizes the liquid carbon dioxide to a supercritical pressure. The system can cool the carbon dioxide by absorbing the heat generated by the pressurization of the carbon dioxide through the absorption refrigerator, does not need to input extra energy, and can greatly reduce energy consumption.

The application provides a RH vacuum refining furnace production waste heat recovery system and method, wherein the waste heat recovery system recovers the tail gas waste heat in the production process of the RH vacuum refining furnace through a gas extraction pipeline heat exchanger and a vacuum pump heat recovery mechanism, produces high-temperature hot water, fully recovers the production tail gas waste heat, then introduces the high-temperature hot water into an absorption refrigerating unit to produce cold water, and uses the generated cold water as cooling water in the operation process of the RH steam jet vacuum pump, thereby reducing the steam consumption and water consumption of the steam jet pump. The recovered hot water is recovered in different water pools according to different temperatures, and is used in stages, so that the recovery is more reasonable and the efficiency is higher. The recovered hot water with a lower temperature is introduced into a user heating system, the production waste heat of the RH refining furnace is fully utilized, and the energy consumption and cost of user heating are reduced; the cold water generated by the absorption refrigerating unit is collected in a cold water pool, the generated cold water is fully utilized to provide air conditioning refrigeration services, and the energy consumption of air conditioning is reduced.

The utility model belongs to the technical field of ammonia water preparation, and provides a condensing device for an ammonia water absorption type refrigerating unit. The utility model relates to a condensing device for an ammonia water absorption refrigerating unit. The condensing device comprises a main box body, a plate heat exchanger, a hydraulic assembly and a suction main piece, the main box body is provided with a mounting main cavity and a sliding cavity; the plate heat exchanger is installed in the main box body and located in the installation main cavity, and one end of the plate heat exchanger extends outwards and is connected with one end of the suction main piece; the other end of the plate heat exchanger extends outwards and is used for collecting cooled ammonia water; the other end of the suction main piece is communicated with a high-pressure ammonia gas source; the mounting main cavity is communicated with the sliding cavity; liquid nitrogen is injected into the mounting main cavity in a sealed mode, and the plate heat exchanger is immersed in the liquid nitrogen. The hydraulic assembly is installed in the sliding cavity in a sliding mode. The device not only is reasonable in design, but also is simple to operate, and can effectively improve the condensation effect and reduce the plate-type external heat of a core component.

The present application relates to the technical field of refrigerators, in particular to a lithium bromide absorption refrigerator combined with zeolite membrane technology and a refrigeration method, the refrigerant comprising an absorber, a membrane separation unit, a compression unit and an evaporator; the membrane separation unit is installed between the absorber and the compression unit, the feed side inlet of the membrane separation unit is connected with the dilute solution discharge port of the absorber, and the retentate side outlet is connected with the concentrated liquid inlet of the absorber; the permeation side outlet of the membrane separation unit is connected with the inlet of the compression unit, the liquefied water outlet of the compression unit is connected with the inlet of the evaporator, and the steam outlet of the evaporator is connected with the water vapor inlet of the absorber. The present application uses the normal temperature concentration technology of zeolite membrane, can omit the generator in the traditional lithium bromide absorption refrigerator, simultaneously reduces the heat exchange network, significantly improves the concentration efficiency of the lithium bromide refrigeration system, effectively reduces the energy consumption and the dependence on high temperature heat source, and reduces the traditional high temperature concentration.

The application discloses an integrated hydrogen energy storage solid oxide fuel cell combined supply system and an operation strategy, comprising a water electrolysis hydrogen production and energy storage subsystem, a solid oxide fuel cell power generation subsystem, a waste heat recovery subsystem and an absorption refrigeration / heat production subsystem. The system utilizes wind power generation, photovoltaic power generation and cheap valley electricity to produce green hydrogen through a proton exchange membrane electrolytic cell, and realizes efficient energy storage by combining mechanical compression. Meanwhile, the system adopts a solid oxide fuel cell using hydrogen as fuel to generate power, realizes green, efficient and zero-emission power generation, recovers the compression heat generated in the hydrogen and oxygen compression process and the exhaust gas residue of the gas turbine in the fuel cell system through a waste heat recovery system, and finally uses a double-effect absorption refrigeration machine / heat pump to meet the cooling / heating demand. The application can effectively suppress the intermittency and volatility of wind power generation and solar power generation, store wind power generation, photovoltaic power generation and cheap valley electricity, realize efficient power generation and cascade utilization of energy, and meet the energy demand of users for cold, heat, electricity, hydrogen and oxygen.

The application discloses an absorption refrigeration technology field and relates to a crystallization-preventing and step-by-step deep cooling unit and process, which comprises a generation-condensation assembly, an evaporation-absorption assembly and an ejector; the generation-condensation assembly comprises a high-pressure evaporator, a high-pressure generator, a sub-high-pressure generator and a condenser; the evaporation-absorption assembly comprises a medium-pressure absorber, a low-pressure absorber, a medium-pressure evaporator and a low-pressure evaporator; the absorption refrigeration unit is optimized and designed in the application, part of heat in a high-temperature heat source is converted into pressure energy of high-pressure gaseous refrigerant, and the pressure energy of the high-pressure gaseous refrigerant is converted into pressure energy of the absorber through injection, so that the heat source temperature can be reduced, crystallization can be prevented, the absorption efficiency of the absorber can be improved, and therefore the deep cooling efficiency can be improved.

The application relates to the technical field of energy storage battery thermal management, and discloses an energy storage battery thermal management system and a working method thereof. The energy storage battery thermal management system comprises a heat pipe battery rack, an absorption refrigerator and a fan, a heat storage device, and a heating pipe. The heat pipe battery rack comprises a heat pipe condensing section and a heat pipe evaporating section. The absorption refrigerator and the fan are suitable for forming a cooling unit to cool and dissipate heat of the heat pipe condensing section. The heat storage device is connected with the absorption refrigerator to drive the absorption refrigerator to operate. The solar heat collecting plate is connected with the heat storage device to form a light-heat storage unit. The solar heat collecting plate is suitable for collecting solar energy and storing heat in the heat storage device. The heating pipe is arranged in the heat storage device. The heating pipe and a working medium pump are suitable for forming a heating unit with the heat storage device. One end of the working medium pump is connected with the heat pipe evaporating section, and the other end is connected with the heat storage device. The working medium pump is suitable for driving the heat pipe working medium to circulate. The application can realize uniform distribution of the temperature of the energy storage battery and improve the comprehensive energy utilization rate.

A multi-park comprehensive energy system optimization operation method considering energy mutual aid contribution degree comprises the following steps: establishing key equipment models of a multi-park comprehensive energy system, including a combined heat and power generation unit model, other energy conversion equipment models consisting of an electric refrigerating unit and an absorption refrigerating unit, and an energy storage equipment model; establishing a multi-park integrated energy system cooperative game optimization model which comprises an objective function formed by the total cost C of a cooperative alliance formed by N parks, and constraint conditions formed by alliance energy supply and demand constraints, energy purchase constraints, equipment power constraints and energy storage equipment constraints; and distributing the total cost C of the cooperative alliance by using an improved Shapley value method. According to the alliance total cost minimization model established by the invention, the operation constraints of the energy conversion equipment and the energy storage equipment and the energy interaction among the parks are comprehensively considered, the collaborative optimization operation of the MCIES is effectively realized, the fairness and rationality of alliance benefit distribution are ensured, and the stability of the alliance is enhanced.

The application discloses a kind of low NOx emission's flue gas waste heat multi-supply equipment and process in the technical field of environmental protection equipment, comprising: heat pump, denitration device and heat exchanger, the flue gas waste heat multi-supply equipment further includes refrigerating unit, ejector, turbine generator and high-pressure evaporator;The present application is embedded in the existing flue gas waste heat heating system by absorption refrigerating unit, utilizes the waste heat of high-temperature flue gas to drive absorption refrigerating unit, and special working substance is used to absorb and desorb again to pressurize after liquefaction to produce finished product liquid ammonia, compared with pressurization after liquefaction by electric compressor, greatly save electric energy, and it has important strategic significance to realize energy saving and emission reduction.

The invention discloses a unit and process for preventing crystallization and preparing copious cooling step by step in the technical field of absorption refrigeration. The unit comprises a condensation generation assembly, an evaporation absorption assembly and an ejector. The condensation generation assembly comprises a high-pressure evaporator, a high-pressure generator, a sub-high-pressure generator and a condenser. The evaporation absorption assembly comprises a medium-pressure absorber, a low-pressure absorber, a medium-pressure evaporator and a low-pressure evaporator. The absorption type refrigerating unit is optimally designed, part of heat in a high-temperature heat source is converted into pressure energy of the high-pressure gaseous refrigerant, then the pressure energy is converted into pressure energy of the absorber through ejection of the high-pressure gaseous refrigerant, the temperature of the heat source can be reduced, crystallization can be prevented, the absorption efficiency of the absorber can be improved, and the energy consumption of the absorber is reduced. Therefore, the cryogenic preparation efficiency is improved.

The present disclosure relates to an absorption chiller. The absorption chiller of the present disclosure comprises: an evaporator for evaporating a refrigerant; an absorber in which the refrigerant evaporated in the evaporator is mixed with an absorbent to produce an absorbent liquid; a regenerator for heating the absorbent liquid supplied from the absorber; and a condenser to which the refrigerant produced in the regenerator is supplied. The absorber comprises: a plurality of heat transfer tubes arranged in an up-and-down direction to form a plurality of stages; and a plurality of intermediate distributors disposed between the plurality of heat transfer tubes. The plurality of intermediate distributors may divide the plurality of heat transfer tubes into a plurality of tube groups arranged in a certain number of stages.

The present application relates to the technical field of flue gas purification and discloses a flue gas low-temperature purification system, which comprises a spray tower, an adsorption tower, a regeneration tower, a heat exchanger and an absorption refrigerating machine. The spray tower is used for cooling flue gas into low-temperature flue gas with subzero temperature. The adsorption tower is used for adsorbing and purifying the low-temperature flue gas into clean flue gas. The regeneration tower is used for heating and regenerating adsorbents. The regeneration tower is connected with the adsorption tower to make the adsorbents circulate between the adsorption tower and the regeneration tower. The heat exchange medium, which is introduced into the cold side inlet of the heat exchanger, exchanges heat with the flue gas discharged from the boiler flue and is then supplied into the regeneration tower. The generator inlet of the absorption refrigerating machine is connected with the hot side outlet. The evaporator inlet of the absorption refrigerating machine is connected with the spray liquid outlet of the spray tower. The evaporator outlet of the absorption refrigerating machine is connected with the spray liquid inlet of the spray tower to cool the spray liquid. The flue gas low-temperature purification system can utilize the flue gas waste heat multiple times and reduce the energy consumption of the system.

The invention relates to a household solar high-temperature heat utilization device, which adopts a micro heat conduction oil furnace technology to recover heat of high-temperature flue gas generated by combustion of solar energy and household stove fuel, and drags oil heaters such as an oil heating kettle, an oil water heater, an oil heating rice cooker, an oil heating warmer and the like in combination with heat absorption, heat storage and heat supply technologies of heat conduction oil. The phase-change energy-saving electric kettle can replace the original electric kettle, electric water heater, electric rice cooker, electric oil heater and the like, can also be used for refrigeration of an absorption refrigerator and refrigeration of a refrigerator, adopts a phase-change regenerator to complete circulation, avoids frequent start and stop of the absorption refrigerator, saves energy, saves electricity and peak regulation, and is remarkable in expected economic, social and environment-friendly benefits.

The application discloses a low-temperature heat-driven variable-diameter rectification ammonia absorption refrigerator, which comprises a rectification tower, a condenser, a tower plate, a stripping liquid distributor, a filler and a falling film generator which are integrally formed from top to bottom; a cooler which is communicated with the condenser through a nitrogen gas conveying pipeline at the top of the condenser; the cooler is also communicated with an evaporator; a falling film absorber which is communicated with a metering pump through a concentrated ammonia water conveying pipeline; the metering pump conveys the concentrated ammonia water to the condenser through a first branch pipe, and conveys the concentrated ammonia water to the stripping liquid distributor through a second branch pipe and a plate heat exchanger; the falling film generator conveys dilute ammonia water to the falling film absorber through a dilute ammonia water conveying pipeline and the plate heat exchanger. The application can widen the application range of a low-temperature heat source in an ammonia absorption refrigerator, improve the separation efficiency of ammonia water, increase internal heat recovery utilization to improve the efficiency of the refrigerator, reduce the ammonia water storage in the system, make the system respond quickly, and reduce the area and volume of the absorption refrigerator.

The utility model discloses a steam type lithium bromide absorption refrigerator, which particularly relates to the field of new energy refrigeration, and comprises a generator which comprises a low-temperature regenerator and a high-temperature regenerator and is used for heating lithium bromide dilute solution through external heat supply steam to generate refrigerant steam; and the condenser is connected with the generator and used for condensing the refrigerant steam into refrigerant water, and the condenser is further externally connected with an air extractor. Industrial waste heat or power plant steam is efficiently used as a driving heat source, absorption-desorption circulation of lithium bromide-water working medium pairs is combined, steam parameters are dynamically adjusted through a pressure reducing valve and a temperature compensator, a fluctuating heat source is adapted, and stable output of low-temperature cooling capacity is achieved; refrigeration energy consumption and carbon emission can be remarkably reduced, and the energy efficiency, stability and environmental adaptability of the lithium bromide absorption refrigerator are remarkably improved through the innovative integrated structural design, the multi-stage steam adjusting technology and the intelligent control system.

The absorption cooling system of the present invention comprises a fuel cell unit (100) that discharges exhaust gas generated during power generation and an absorption cooling unit (200) that utilizes the exhaust gas as a heat source. The absorption cooling unit (200) comprises an absorption chiller (10) supplied with the exhaust gas as a heat source; an upper cooling tower (30) that lowers the temperature of the cooling water heated by the absorption chiller; a cooling water pump (40) that controls the flow of the cooling water; a chilled water pump (50) that controls the flow of chilled water cooled by the absorption chiller; a system control unit (90) that controls the drive of the absorption cooling unit (200); a bypass valve (60) installed in a bypass pipe (12) that controls the external discharge of the exhaust gas supplied from the fuel cell unit (100); an exhaust gas introduction valve (70) installed in an exhaust gas introduction pipe (13) that controls the supply of the exhaust gas to the absorption chiller (10); and an exhaust gas fan (suction device) (20) that provides pressure so that the exhaust gas is supplied to the absorption chiller (10).

The invention belongs to the technical field of refrigeration equipment maintenance, and particularly relates to a lithium bromide absorption refrigerator copper pipe leakage detection method which comprises the following steps: (1) optimizing a leakage detection agent formula; (2) a vacuum adaptive spraying system is additionally arranged, specifically, a spraying pipe is connected with a negative-pressure-resistant atomizing nozzle, a multi-degree-of-freedom mechanical arm is adopted for carrying the negative-pressure-resistant atomizing nozzle, the copper pipe plate is scanned according to a preset path, an endoscope and the spraying pipe are integrally and mechanically connected and can rotate by 360 degrees, and a telescopic or floating buffering mechanism is installed at the tail end of an endoscope probe or the tail end of the multi-degree-of-freedom mechanical arm; (3) analyzing foam dynamics, and optimizing a judgment standard; and (4) leakage detection and leakage stopping are integrated, specifically, leakage detection and leakage stopping are combined, after a leakage point is found, the leakage point is switched to a leakage stopping agent channel through a spraying system, and a low-temperature curing metal ceramic leakage stopping agent is injected. According to the method, the leak detection agent is optimized, the multi-degree-of-freedom mechanical arm is combined with the negative-pressure-resistant atomizing nozzle, the coverage rate of the tube plate is increased, and the detection efficiency is improved.

According to the invention there is provided a controlled environment production facility, including: a climate controlled growing chamber, and an absorption chiller. The climate controlled growing chamber includes artificial lighting and at least one cooling and dehumidification unit. The cooling and dehumidification unit is supplied with chilled water from the absorption chiller.

The present application provides a flue gas carbon dioxide capture and storage system, which comprises an absorption tower, a regeneration tower, a separator, a storage unit and an absorption refrigerating machine, the absorption tower has a flue gas inlet for the flue gas, the regeneration tower is connected with the absorption tower, the absorbent in the absorption tower reacts with the flue gas to form saturated absorbent and enters the regeneration tower, the regeneration tower is used for desorbing the saturated absorbent and then entering the absorption tower, the separator is connected with the regeneration tower, the storage unit comprises a compression assembly and a drying assembly, the compression assembly is connected with the separator, the drying assembly is connected with the compression assembly, the drying assembly comprises a drying tower and a heater, the heater is connected with the drying tower, the hot side inlet of the absorption refrigerating machine is connected with the vapor outlet of the heater, and the cold side outlet of the absorption refrigerating machine is connected with at least one of the separator and the absorption tower. The flue gas carbon dioxide capture and storage system has high energy utilization rate and low overall consumption.

The application discloses a kind of mine goaf geothermal energy storage collaborative working face cooling system and control method, the system utilizes underground goaf to set goaf energy storage unit, the geothermal energy of geothermal exploitation well is used as the driving heat source of absorption refrigeration unit, coupling high-temperature heat pump unit waste heat recovery, goaf energy storage unit carries out energy storage, and multi-stage heat exchange unit carries out energy distribution, and geothermal energy is driven absorption refrigeration unit refrigeration by primary heat exchange module, working face is cooled by original mine air conditioning chilled water pipe network, geothermal tail water is heated by the waste heat of high-temperature heat pump unit by multi-stage heat exchange and completes heating, and is stored in heat storage goaf for system peak shaving, high-temperature heat pump unit recovers the gushing waste heat of working face gushing main pipe and stores in cold storage goaf to compensate cold, geothermal recharging well absorbs system waste heat, renewable energy is simultaneously absorbed, the cascade utilization of geothermal energy, gushing waste heat, goaf energy storage and working face cooling depth collaboration is realized.

The application discloses a carbon-neutral energy system containing plume geothermal carbon sequestration equipment and an optimal configuration method thereof, and the system comprises a wind-solar generator set, a gas turbine, a plume geothermal carbon sequestration equipment, an auxiliary boiler, a heat exchange equipment, an absorption refrigerating machine and an electric refrigerating machine. The optimal configuration method firstly models the carbon-neutral energy system; then establishes a carbon sequestration equipment and thermal power plant income distribution model by using Nash cooperation game optimization under a carbon trading system; and finally, the installed capacity of each equipment of the carbon-neutral energy system is solved by using a carnivorous plant algorithm (CPA) optimization. The method provided by the application can effectively improve energy utilization rate, reduce system operation cost, realize carbon dioxide sequestration and utilization, and achieve the system carbon-neutral target.

The utility model discloses a PV / T combined cooling heating and power system, which relates to the technical field of solar energy utilization, and aims to solve the problem that the existing PVT combined cooling heating and power system cannot be well used when being used. A refrigerant outlet of a PV / T assembly is sequentially connected with a compressor, a water tank I and a throttle valve through a pipeline via a valve V; the valve I is connected with a refrigerant inlet of the PV / T assembly; a refrigerant outlet of the throttle valve is connected with a refrigerant inlet of the outdoor fan; a refrigerant outlet pipeline of the outdoor fan is connected with an inlet of the compressor through a valve VI; a water outlet in one side above the first water tank is connected with a water inlet in the lower side of the first water tank through a first water pump, a second water tank and a fourth valve in sequence; a water outlet in the other side above the first water tank is connected with a water outlet in the lower side of the first water tank through a second water pump, a third water tank and a third valve in sequence; a water outlet in the lower side of the water tank is connected with a water inlet in the lower side of the water tank through a second valve, a third water pump and an absorption refrigerating unit.

The utility model relates to a household solar high-temperature heat utilization system, which comprises a solar air heater (7) for performing heat recovery on solar energy; the heat conduction oil tank (1) is used as a heat storage device for storing heat; the heat-conducting oil pump (17) is used for pressurizing and conveying heat-conducting oil; the heat storage heat exchanger (14) is used for converting the heat of the hot gas into heat conduction oil; and the absorption refrigerator is used for absorbing heat of the heat storage and conduction oil to realize the refrigeration cycle process of the refrigerant. The solar air heater is used for absorbing solar heat, oil-gas heat exchange is achieved through the heat storage heat exchanger, heat is stored in heat conduction oil in the heat conduction oil tank, and then the high-temperature heat conduction oil in the heat conduction oil tank is used for dragging the absorption type refrigerator to refrigerate or an oil heater is used for household steaming, boiling, boiling, boiling water and the like. Therefore, high-temperature heat utilization of solar energy in families is realized.

The application discloses a kind of optimization configuration methods of carbon neutralization energy system considering climate change, first obtain the weather data of initial year to target year and cold, heat and electric load demand, considering the influence of climate change on energy system load and considering the efficiency change of electric energy generation unit, thermal power generation, photovoltaic, solar collector, wind power generation, electric refrigerator and absorption refrigerator under climate change, finally a kind of carbon neutralization energy system considering climate change is presented.The application can realize the "carbon neutralization" goal of energy system, can evaluate the cost required to improve for an energy system to complete carbon neutralization under climate change, the application finds: in order to complete the carbon neutralization goal before 2060, carbon neutralization energy system needs to improve 2% cost, carbon neutralization every 10 years realizes, system needs to improve 1% operating cost more, but at the same time, 9.1% carbon dioxide emissions will be reduced.