1780 results about "Fresh water" patented technology

The invention relates to the technical field of saline-alkali soil improvement, in particular to a saline-alkali soil treatment and improvement method which comprises the following steps: S1, early-stage investigation and planning; s2, physical improvement; s3, chemical improvement; s4, biological improvement; s5, irrigation improvement; s6, later monitoring and maintenance; according to the saline-alkali soil treatment and improvement method, a traditional single improvement mode is broken through, physical, chemical, biological and engineering technologies are fused, a systematic improvement scheme is formed, and physical improvement effectively improves the soil structure and accelerates salt discharge through land leveling, deep ploughing, upturned soil sunning and concealed pipe laying for drainage; a soil conditioner and an acidic material are precisely applied for chemical improvement, and the soil acidity and alkalinity and ion composition are adjusted; in biological improvement, salt is absorbed by virtue of salt-tolerant plants and microbial agents, and soil microbial communities are improved; a fresh water resource or salt water desalination technology is reasonably utilized for irrigation improvement, and salt leaching and water resource recycling are achieved; through the synergistic effect of multiple means, the salt content of soil can be more efficiently reduced, and the soil structure is improved.

The invention discloses a ship fuel cell cooling system energy efficiency management method based on deep reinforcement learning, and relates to the technical field of ship energy management, and the method comprises the steps: constructing a digital simulation model of a ship fuel cell cooling system, which is used for representing the dynamic characteristics of the cooling system under different working conditions; constructing a multi-time scale prediction and thermal load prediction model, and respectively outputting cooling system state and working condition prediction parameters and thermal load prediction parameters under different time scales; a reinforcement learning framework based on the dual deep Q network is built, a state space, an action space and a reward function are defined, and the state space comprises current state parameters of the cooling system and output parameters of all prediction models; the action space comprises seawater pump rotating speed, fresh water pump rotating speed and regulating valve opening; and an optimal control strategy is generated based on a training result of deep reinforcement learning, and global collaborative optimization operation of execution equipment of the cooling system is realized, so that the system energy efficiency and environmental adaptability are improved.

The invention discloses a treatment device and process based on zero discharge of high-concentration coating wastewater, wastewater passes through an adjusting tank and then enters a pretreatment module through a pipeline, the coating wastewater passes through a Fenton tank body, a coagulation tank body and a primary sedimentation tank of the pretreatment module in sequence through the pipeline to be treated, and the coating wastewater is continuously conveyed to a biochemical treatment module; the biochemical treatment module is used for carrying out anaerobic environment treatment through an anaerobic granular sludge bulking bed and then carrying out aerobic environment treatment through an aerobic aeration tank; and introducing the wastewater into a secondary sedimentation tank to separate the formed sludge from water, entering a biochemical tank, carrying out ultrafiltration and reverse osmosis treatment through a deep treatment module, recycling the treated wastewater to a production line, and recycling the generated condensate water and RO fresh water. The adopted wastewater treatment device is combined and optimized by various advanced technologies, so that the treatment efficiency and the water quality are improved, efficient recovery and reutilization of resources are also realized, and the system has good economic benefits and environmental benefits and is suitable for the requirements of modern coating wastewater treatment.

To provide a perfluoropolyether compound expressing excellent surface tension reduction performance, and expressing excellent foamability and foam stability not only during diluting fresh water but also during diluting sea water, and a fluorine-based surface active agent including the compound.SOLUTION: A perfluoropolyether dicarboxylic acid compound or a salt thereof is expressed by the following formula (1). In the formula, Rf1 represents a 1-4C perfluoroalkyl group. R1 represents a substituted or unsubstituted 1-10C hydrocarbon group. R2 represents a substituted or unsubstituted 1-6C hydrocarbon group. R3 and R4 are same or different and each represent a substituted or unsubstituted 1-4C hydrocarbon group. n is an integer of 0-5.SELECTED DRAWING: None

Device (300) for supplying a grey water tank (586) with fresh water from a fresh water connection (302), wherein the fresh water connection (302) has an outlet opening (316), characterized in that in the flow direction (S) of the fresh water, downstream of the fresh water connection (302), there is a fresh water tank (304) for temporarily storing the fresh water, which is connected to the fresh water connection (302).

The invention provides an island energy system optimization scheduling method considering ammonia-to-electricity waste heat power generation, and the method employs an independent island integrated energy system containing an ammonia-to-electricity system to execute a weekly-day-intra-day multi-stage operation optimization scheduling strategy, and the independent island integrated energy system is a system considering the ammonia supply demand. Wind energy and solar energy are used as energy input, energy is supplied to seawater desalination equipment and an electricity-to-ammonia system, and the electric load requirements of island residents are met; meanwhile, seawater desalination equipment is used as a power demand response resource to increase the water-energy coupling relationship of the system model, and cross-time storage and utilization of fresh water resources are realized through a reservoir, so that an ammonia-hydrogen power ship which is used for meeting daily travel demands of island residents is used as an ammonia load; an electricity-to-ammonia system and an ammonia storage tank are adopted to realize effective consumption of island wind and light resources; according to the invention, the long-period energy supply reliability of the island can be improved, and the problem of uncertainty of wind energy and light energy resources of the island can be effectively solved.

The invention provides a photovoltaic power generation and air water taking irrigation system, comprising: a photovoltaic power generation module for generating electric energy by using light energy; the gel adsorption module is connected with the photovoltaic power generation module and is used for adsorbing water vapor in air by using gel and driving the gel to desorb and release the water vapor by using waste heat generated by the photovoltaic power generation module; the condensation water collection module is connected with the gel adsorption module and is used for condensing the water vapor to obtain condensed water; the crop irrigation module is connected with the condensation water collection module and is used for irrigating crops by utilizing the collected condensate water; the soil detection module is connected with the crop irrigation module and used for controlling irrigation according to the detected crop root system soil humidity, collaborative production of water, electricity and crops can be achieved under the condition that no external input exists in the island reef environment, and the problems that in the island reef environment, fresh water is in shortage, electricity is insufficient, and self-sufficiency of agricultural production is difficult are solved.

The invention belongs to the technical field of water desalination, and particularly relates to a bionic aloe evaporation and capture integrated all-weather water collecting device and a manufacturing method. The water collecting device comprises a base and a plurality of bionic units arranged on the base, and the bionic units are bionic aloe trees; the base is circular, the bionic units are circumferentially distributed around the circle center of the base, and at least two layers of bionic units are arranged; and the water collecting device is prepared from a hydrogel material. The base part of the device can utilize the photo-thermal characteristic of hydrogel in the daytime, and seawater evaporation can be carried out through sunlight; at night, mist catching can be carried out through the tip effect of the aloe form of the bionic unit, and water vapor in the air is collected. The whole device can play a role in the whole day and is not limited by the difference between the day and the night, and the fresh water collection efficiency is greatly improved.

The invention relates to an anti-offset wireless charging coupler for an underwater vehicle, which solves the problem that the multi-dimensional offset charging efficiency is reduced due to ocean current by adopting the collaborative design of a grouped serial-wound transmitting end and a geometric adaptive receiving end. The transmitting end is formed by connecting an outer ring winding and an inner ring winding in series, the outer ring provides wide-area magnetic field coverage, the inner ring strengthens the local magnetic field intensity, and the ferrite array is combined to suppress magnetic leakage to cope with horizontal and rotary offset; the receiving end adopts a curved surface type structure and fits the geometric contour of an aircraft shell, interference of a rotation offset delta phi on a magnetic field is limited through optimal design of a coverage angle theta, and magnetic flux is concentrated by a ferrite array on the back side to improve the coupling efficiency. The system does not need complex mechanical adjustment, realizes energy transmission through magnetic field coupling, keeps stable efficiency in seawater, fresh water and air environments, has the advantages of compact structure, high offset resistance, wide medium adaptability and high expandability, and remarkably improves the reliability and cruising ability of wireless charging of the underwater vehicle.

The ship bottom structure comprises a ship body, a ship body auxiliary stabilizing mechanism is arranged at the bottom of the ship body and used for assisting the ship body to be stabilized when the ship body moves, the tail of the ship body is provided with a spray pump installation containing cavity for installing a spray pump assembly, and the spray pump installation containing cavity is located on the center line of the tail of the ship body; the ship body auxiliary stabilizing mechanism comprises stabilizing edge strips and stabilizing spokes, the stabilizing edge strips are arranged at the position of a lower cornice of the edge of the ship body and surround the ship body by one circle, and the stabilizing spokes are arranged on the bottom face of the ship body in the length direction of the ship body. The ship body auxiliary stabilizing mechanism is suitable for recreational facilities, and the ship body auxiliary stabilizing mechanism is installed at the bottom of the ship body, so that in the using process of the ship body, the ship body auxiliary stabilizing mechanism can form a flow guide structure at the bottom of the ship body, the stability of the ship body is higher, and the ship body is particularly suitable for fresh water or seawater environments with the water depth not smaller than 1 m. The stability of the ship body is more applicable.

The invention belongs to the technical field of seawater desalination, and discloses a light-heat-electricity-heat synergistic evaporator and a preparation method thereof.The light-heat-electricity-heat synergistic evaporator comprises a water transmission channel, a light-heat evaporation interface and an electric heating evaporation interface, the light-heat evaporation interface is arranged on the water transmission channel, and the electric heating evaporation interface is arranged in the light-heat evaporation interface; the water transmission channel is made of a two-dimensional layered material, the photo-thermal evaporation interface is made of a two-dimensional layered material composite surface plasmon material, and the electric heating evaporation interface comprises a metal net which is arranged in the photo-thermal evaporation interface and forms an interlayer heating structure. Compared with a traditional photo-thermal evaporator, the photo-thermal-electric-thermal synergistic evaporator adopting an interlayer heating mode can achieve all-weather stable operation through solar energy and electric energy, and the heat loss of electric heating is reduced by regulating and controlling the position of an electric heating evaporation interface. Due to the high conductivity of the metal net, the evaporation efficiency is greatly improved, and the metal net can be efficiently applied to industrial production of water evaporation, seawater desalination and fresh water production.

The invention discloses an island energy system opportunity constraint weekly optimization scheduling method and system, and the method comprises the steps: converting the opportunity constraint of the actual output of wind and light into a deterministic inequality constraint based on the prediction error probability distribution characteristics of wind power and photovoltaic; according to the obtained wind and light output constraint, a dynamic operation model is established, and waste heat output of the hydrogen fuel cell is coupled with an absorption refrigerator; with the purpose of minimizing the total operation cost of the system, combining the obtained deterministic inequality constraint and the dynamic operation model, defining the power balance constraint of electricity / heat / cold / fresh water, the hydrogen storage tank capacity constraint and the equipment climbing rate constraint, and constructing an optimization model; and solving the optimization model by adopting mixed integer programming to obtain an optimization scheduling scheme. The requirements of electricity, cold, heat and fresh water of an ocean island energy system are met, and meanwhile energy storage and cross-period utilization during wind and light resource enrichment are achieved.

The invention discloses a water supply risk assessment method, system and device for tidal estuary area salt tide invasion based on fresh water prevailing and storage, and a storage medium. The method comprises the following steps: acquiring day-by-day target site data and historical salt tide disaster simulation data of a research area in the same time sequence; training the historical salt tide disaster simulation model by using the target site data, and inputting the historical salt tide disaster simulation data into the trained historical salt tide disaster simulation model to obtain a long-sequence historical salinity simulation value; generalizing a water supply system of the research area, and constructing a water supply risk comprehensive evaluation index system based on fresh water grabbing and storage scheduling; based on the water supply risk comprehensive evaluation index system, calculating a comprehensive water supply risk index according to the long-sequence historical salinity simulation value; and performing frequency analysis on the comprehensive water supply risk index, and dividing a water supply risk degree and an early warning level based on a set water supply risk threshold. According to the method, the comprehensive water supply risk index is quantified based on fresh water preemptive storage scheduling, the salt tide risk degree and the early warning level are scientifically divided from the angles of the influence degree and the occurrence frequency of long-sequence historical salt tide disasters, and an effective decision basis is provided for water supply safety study and judgment of estuary coastal areas depending on tidal river reaches.

The invention belongs to the technical field of sewage treatment and comprehensive utilization of water resources, and particularly relates to a reclaimed water reuse and rainwater collection and utilization system in an expressway service area. A sewage treatment, rainwater collection and water-saving irrigation integrated system is constructed, and the MBR process is emphatically applied to treat sewage. The system can effectively remove various pollutants in the sewage, so that the effluent reaches the reclaimed water reuse standard, and the sewage recycling is realized. Meanwhile, rainwater is efficiently collected and utilized, and the water demand of vegetation is accurately met in combination with an intelligent water-saving irrigation technology. The dependence of the service area on fresh water resources is reduced on the whole, the pollution of sewage discharge to the environment is reduced, the water resource management level is improved, remarkable economic, social and environmental benefits are achieved, and an innovative scheme is provided for sustainable utilization of the water resources in the small service area of the expressway.

The invention relates to the technical field of ships, and discloses an energy-saving marine central cooling water system which comprises a seawater cooling system, a high-temperature fresh water cooling system, a low-temperature fresh water cooling system and a control module. The seawater header pipe is used for guiding seawater into the ship, inlet ends of the first seawater pump and the second seawater pump are both connected with the seawater header pipe, and outlet ends are both connected with the central cooler and used for guiding seawater in the seawater header pipe into the central cooler; a first high-temperature fresh water pipeline is arranged at one end of the first high-temperature fresh water pump and one end of the second high-temperature fresh water pump and connected with the inlet end of the host, and the temperature control valve is connected with the outlet end of the host and used for receiving fresh water absorbing heat of the host in the host; the first low-temperature fresh water pipeline is connected with the temperature control valve; the first low-temperature fresh water pump and the second low-temperature fresh water pump are connected with the central cooler; the control module is electrically connected with the seawater cooling system, the high-temperature fresh water cooling system and the low-temperature fresh water cooling system respectively.

The invention discloses a rapid assessment method for seawater intrusion and sustainable freshwater exploitation in an phreatic aquifer considering hydraulic boundary changes. The method comprises the following steps: constructing a conceptual model based on specific working conditions; potential energy distribution in the phreatic aquifer is calculated; the seawater intrusion range is determined by searching an equipotential line equal to potential energy at a salt toe position in a potential energy field through interpolation and the height of a salt-fresh water interface; and calculating the sustainable fresh water exploitation rate: calculating the stagnation point position, wherein the water pumping rate when the stagnation point coincides with the salt toe position is the sustainable fresh water exploitation rate. According to the method, the evaluation precision and calculation efficiency of the seawater invasion range and the sustainable fresh water exploitation rate can be remarkably improved while the result accuracy is ensured; by adopting the conceptual model based on the working condition, the research area range and parameter setting can be flexibly adjusted according to actual requirements, and by optimizing the calculation model, the requirements of calculation resources and manpower and material resources are remarkably reduced under the condition that additional equipment or resource investment is not increased.

The invention provides a reservoir pressure salinity scheduling method based on a physical information neural network (PINN). The reservoir pressure salinity scheduling method comprises the following steps: Step 1, salinity prediction based on a physical information neural network (PINN) model; the method comprises the following steps: in a PINN model framework, embedding a physical law of salinity conservation into a multi-layer perceptron (MLP) artificial neural network for training so as to carry out salinity prediction; step 2, establishing an estuary water-salt model based on a three-dimensional ocean numerical FVCOM model; step 3, carrying out upstream reservoir salty water pressing and light water supplementing emergency scheduling based on salinity forecast; comprising the following steps: Step3.1, establishing a multi-objective function; and Step3.2, solving a scheduling model. According to the method, the salinity momentum conservation constraint can be considered, the salinity prediction accuracy under the influence of different upstream flows and downstream tidal ranges can be improved, and the emergency scheduling of the reservoir for the salt tide invasion of the estuary drinking water source can be carried out in combination with the scheduling model, so that the water supply safety is ensured.

The multi-medium integrated titanium alloy plate-fin heat exchanger for the sea-land amphibious vehicle comprises a core body with a rectangular longitudinal section, the core body comprises a high-temperature fresh water module, a main transmission case oil module and an overwater transmission case oil module, the main transmission case oil module is communicated with the overwater transmission case oil module, and a hot side channel and a seawater channel are further arranged in the core body. The hot side channels and the seawater channels are arranged at intervals, seawater sealing strips are arranged on the boundaries of the seawater channels, a seawater inlet and a seawater outlet are formed in the two ends of the core body respectively and communicated with the seawater channels respectively, the overwater transmission case oil module is close to the seawater inlet, and the main transmission case oil module is close to the seawater outlet. According to the multi-medium integrated titanium alloy plate-fin heat exchanger for the sea-land amphibious vehicle, one heat exchanger is integrated, and the hot side channel and the seawater channel are arranged at intervals, so that the total mass of the heat exchanger and the space occupied by the heat exchanger in the vehicle body are greatly reduced, and multiple media can be cooled at the same time.

The invention discloses a method for rapidly evaluating seawater intrusion and sustainable freshwater exploitation in a confined aquifer by considering hydraulic boundary change. The method comprises the following steps: constructing a conceptual model based on specific working conditions; potential energy distribution in the confined aquifer is calculated; the seawater intrusion range is determined by searching an equipotential line equal to potential energy at a salt toe position in a potential energy field through interpolation and the height of a salt-fresh water interface; and calculating the sustainable fresh water exploitation rate: calculating the stagnation point position, wherein the water pumping rate when the stagnation point coincides with the salt toe position is the sustainable fresh water exploitation rate. According to the method, the evaluation precision and calculation efficiency of the seawater invasion range and the sustainable fresh water exploitation rate can be remarkably improved while the result accuracy is ensured; by adopting the conceptual model based on the working condition, the research area range and parameter setting can be flexibly adjusted according to actual requirements, and by optimizing the calculation model, the requirements of calculation resources and manpower and material resources are remarkably reduced under the condition that additional equipment or resource investment is not increased.

The invention relates to the technical field of coal chemical industry, in particular to a coal gasification black water circulation and black water waste heat recycling system and method. The coal gasification black water circulation and black water waste heat recycling system comprises a synthesis gas washing tower, a high-pressure flash tank, a low-pressure flash tank, a black water heat exchanger, a vacuum flash tank, a settling tank, a grey water tank, a low-pressure flash steam stripping tower and a high-pressure flash steam stripping tower. The coal gasification black water treated by the coal gasification black water circulating and black water waste heat recycling system can be reused as circulating water of a synthesis gas washing tower, so that the cyclic utilization of water resources is realized, the use of fresh water and the discharge of waste water are reduced, and the production cost and the environmental pressure are reduced. Meanwhile, the problem that a black water pipeline is scaled and blocked due to high temperature is solved, waste heat of the black water can be fully replaced for effective utilization, carbon is reduced, energy is saved, the purpose of cooling the black water is achieved, the cooling cost of a vacuum flash evaporation system is saved, and continuous and reliable economic benefits are created for enterprises.

A leaching and desalinating system for sandy soil in estuarine land reclaimed by sand blowing before planting greenery is provided. The leaching and desalinating system comprises a water pump and pipe assembly, a freshwater storage tank and a main diverting and draining channel. The water pump and pipe assembly lifts freshwater from a river to the freshwater storage tank through a water delivery pipe, multiple infiltration parts in which greenery is planted are provided on the waterside slope, the infiltration parts are connected to each other via multiple drainage infiltration channels. The present disclosure can quickly desalinate the sandy soil in land reclaimed by sand blowing at a low cost, improve the physicochemical properties of the soil, and provide a basic guarantee for the subsequent greenery planting on the sandy soil in land reclaimed by sand blowing.

The invention relates to a solar seawater desalination plant, and relates to the technical field of seawater desalination, the solar seawater desalination plant comprises a raw water temporary storage tank, an evaporation tank and a fresh water storage tank, the evaporation tank is arranged at the upper part of the raw water temporary storage tank, an evaporation assembly and a collection assembly are arranged on the evaporation tank, and a flow guide assembly is arranged in the raw water temporary storage tank; the flow guiding assembly is connected with the collecting assembly and used for guiding condensate water to the fresh water storage tank. Seawater to be treated is guided into the raw water temporary storage tank, the water level rises to the evaporation tank, the evaporation assembly is started, condensed water formed after evaporation of the seawater is collected by the collection assembly, and the collected condensed water is guided to the fresh water storage tank through the flow guide assembly, so that condensation desalination of the seawater is realized, and a vacuum pump and a pressurizing device are not needed; the flow guide assembly is arranged in the raw water temporary storage tank, so that heat of condensed fresh water can remain in the raw water temporary storage tank to preheat the seawater to be treated, energy consumption and heat loss are reduced, and subsequent seawater evaporation and condensation efficiency is improved.

According to the portable seawater desalination device provided by the scheme, a miniature magnesium air battery is used as a power supply, and a [Fe (CN6)] < 4-> / [Fe (CN6)] < 3-> redox medium is added into a cathode chamber and an anode chamber of an electrodialysis unit to form a high-concentration redox electrolyte, so that the current density and the ion migration rate are improved. A magnesium electrode is adopted as an anode and cooperates with a miniature magnesium air battery, the electrochemical environment is optimized, efficient and high-water-recovery-rate seawater desalination is achieved, seawater can be stably desalted into fresh water (TDS is smaller than or equal to 1000 mg / L) meeting the drinking water standard, and the seawater desalination device is suitable for outdoor exploration, emergency and other scenes.

The invention relates to the field of photo-thermal and photovoltaic technologies, in particular to a spanning type heliostat cleaning device. The invention provides a spanning type heliostat cleaning device. The spanning type heliostat cleaning device comprises a trolley assembly, a mirror surface cleaning device, a waste water collecting device and a water supply mechanism. The trolley assembly comprises a frame mechanism and a wheel mechanism, the frame mechanism is installed on the wheel mechanism, and an access channel extending in the first direction is formed in the trolley assembly; the mirror surface cleaning device comprises a transverse driving mechanism, a lifting driving mechanism and a mirror surface cleaning mechanism which are connected in sequence, the transverse driving mechanism is mounted at the top of the frame mechanism, and the lifting driving mechanism is vertically mounted on the transverse driving mechanism. According to the spanning type heliostat cleaning device, spraying water can be recycled, consumption of fresh water resources for heliostat cleaning can be remarkably reduced, and limited water resources can be distributed and used more reasonably. By means of the waste water collecting device, spraying water which is wasted originally is collected and reused, and recycling of water resources is achieved.

A system and method are provided in at least one embodiment to process water to produce gas that can be separated into at least two gas flows using a water treatment system having a disk-pack rotating in it to cause out gassing from the water. In a further embodiment, the method and system use the gas released from the water to produce substantially fresh water from the processed salt water.

The invention discloses a hydrogel-based water-energy-resource co-production solar evaporator and application thereof, and belongs to the technical field of chemistry and environment, the hydrogel-based water-energy-resource co-production solar evaporator is prepared by taking sodium alginate hydrogel as a matrix, adding carbon nanotubes and a titanium-based lithium ion sieve or a metal-doped titanium-based lithium ion sieve into a solution of the sodium alginate hydrogel, taking polyurethane sponge as a carrier frame, and preparing the hydrogel-based water-energy-resource co-production solar evaporator. Ca2 + is adopted as a cross-linking agent to construct a solar evaporator with a flexible size (centimeter-level to meter-level components can be prepared according to application scenes), the solar evaporator is used for the solar driven evaporation process of lithium-containing water resources such as salt lake seawater, and Li + selective enrichment, fresh water collection and waste heat power generation are synchronously achieved. Moreover, the evaporator has the characteristics of simple preparation process, low cost and excellent environmental compatibility, also has a good removal effect on salt ions, and keeps stable fresh water collection performance in a long-time operation process.

The invention provides a coal chemical industry gasified black water energy recovery system which comprises a high-pressure flash tank, a black water liquid expansion machine, a vacuum flash tank, a vacuum flash condenser, an extractor and a hot water tower, and the high-pressure flash tank is provided with a gasified black water inlet, a high-temperature steam outlet and a low-temperature black water outlet. The black water liquid expansion machine is provided with a low-temperature black water inlet, a superheated steam outlet and a normal-pressure saturated black water outlet, the vacuum flash tank is provided with a normal-pressure saturated black water inlet, a low-temperature steam outlet and a saturated liquid black water outlet, and the vacuum flash condenser is provided with a low-temperature steam inlet, an uncondensed gas outlet and a condensed water outlet. The extractor is provided with a high-temperature steam inlet, a mixed steam inlet and a steam-water mixture outlet, and the hot water tower is provided with a steam-water mixture inlet, a fresh water inlet, a conversion condensate inlet, a hot water outlet and a grey water outlet. The energy recovery efficiency is greatly improved, the performance of the vacuum system is optimized, the black water concentration effect is improved, and efficient circulation of water resources and full recovery of black water energy are achieved.

The utility model discloses a wind-driven vortex refrigeration seawater desalination device which comprises a wind-driven system, a vortex tube refrigeration system and a seawater desalination system, the vortex tube refrigerating system comprises an air compressor and a vortex tube; the air compressor is respectively connected with the wind power driving system and the vortex tube; the seawater desalination system comprises a double-pipe heat exchanger, a box body and an air pipe, a water baffle, a heating pipe and a sprayer are arranged in the box body, a fan is arranged in the air pipe, the cold and hot pipe ends of the vortex pipe are respectively connected with the air pipe and the double-pipe heat exchanger, the double-pipe heat exchanger is connected with the heating pipe through a first water pump, and the heating pipe is connected with the double-pipe heat exchanger; an air outlet of the box body is connected with the air pipe, the box body is connected with the sprayer through the second water pump, and the condensate valve is connected with the air pipe. The seawater desalination device is simple and compact in structure, low in manufacturing cost and high in seawater desalination efficiency, the seawater desalination cost is greatly reduced, the quality of fresh water is ensured, and the energy utilization rate is improved.

The invention relates to the technical field of nuclear energy comprehensive utilization, and discloses an energy system with nuclear energy as base load and a control method.The system comprises a nuclear power secondary loop system, a renewable energy system, an energy storage system, a steam supply system, a seawater desalination system, a hydrogen production system, a heating system and a refrigeration system; the heat of the reactor core enters the steam generator to generate main steam; the photovoltaic module and the wind turbine generator set carry out renewable energy power generation; a storage battery is used for storing renewable energy electric power, and a molten salt heat storage system is used for storing heat energy; the steam supply heat exchanger is used for heating fresh water produced by the seawater desalination system to obtain superheated steam; the low-temperature multi-effect evaporation system and the reverse osmosis membrane method seawater desalination system generate fresh water; the electrolytic bath generates hydrogen and oxygen; the heating system and the refrigerating system are used for refrigerating in summer and heating in winter, and nuclear energy, wind energy, solar energy and the like are coupled and utilized in a stepped mode.

The utility model belongs to the technical field of seawater treatment, particularly relates to a portable seawater desalination device, and aims to solve the problems that in order to meet the fresh water requirement of long-term navigation, a fresh water generator is installed, the volume of the fresh water generator is large, the weight of the fresh water generator can reach more than one ton, and a distillation method adopted by the fresh water generator is that a vacuum pump is arranged to form a low-pressure environment, so that seawater is easier to evaporate. In order to solve the problems of high energy consumption and high requirements on devices in the prior art, the utility model provides the following scheme: the device comprises a frame, and a seawater tank for containing seawater is fixed at the side end of the frame; a filtering part is arranged in the frame and comprises a sand filter, a carbon filter, a softener and a precision filter, the sand filter is communicated with the carbon filter, the carbon filter is communicated with the softener, and the softener is communicated with the precision filter; solar energy is adopted as an energy supply device, no additional electric energy consumption is generated, and the effect of saving energy is achieved; the portable device is convenient and easy to carry, and the space ratio and the load of the ship can be reduced.