1347 results about "Water cycle" patented technology

The invention discloses a medication thermal energy water circulating blanket which comprises a liquid heat radiation circulating loop structure formed by connecting a dialysis macromolecule energy pipe, a constant-temperature furnace, a minitype mute water pump and the like, the dialysis macromolecule energy pipes is evenly arranged on a cotton blanket body to cool the cotton blank body. According to the medication thermal energy water circulating blanket, needed medicinal materials only need to be placed on a filter screen in the constant-temperature furnace, nutrition ingredients of the medicinal materials are absorbed by water, agentia is pumped to the dialysis macromolecule energy pipes to circulate, the dialysis macromolecule energy pipes distribute the nutrition ingredients of the agentia to a bed blanket slowly to be absorbed by a human body through pores of the human body at this moment, and therefore people can be moisturized by the water and can obtain the nutrition effect of the medicinal materials in sleep, people can feel warm and comfortable, and can maintain beauty and keep young, and the special effect of preventing diseases can be achieved. Heating, circulating and heat preservation in the whole process are automatically controlled, the medication thermal energy water circulating blanket is simple in structure, low in cost, convenient to use and good in market prospect and has good market prospects, and social benefits and economic benefits are considerable.

The invention relates to a large multifunctional environmental simulator for electrical tests, which comprises an environmental stimulation chamber and is characterized in that an air heat-exchange circulation system and an ice-melting system are arranged in the environmental stimulation chamber; and the environmental stimulation chamber further comprises an ice-coating, rain-exposing and ultrasonic-atomizing system, a water treatment system, a heat-fogging system, a cooling water circulation system, a refrigeration system, a vacuuming and defogging system, a measurement and control system and an ultra-high voltage power supply system for providing a high-voltage charging state for test-pieces. By achieving the skillful coordination among the systems and the uniform operation control by the measurement and control system, the large multifunctional environmental simulator integrates various testing functions of environmental simulations, such as high-altitude, ice-coating, contamination, rain-exposing and other simulations into a whole. Therefore, the invention is widely suitable for the testing process for large multi-parameter environmental simulations.

A movable data center is disclosed that comprises a movable enclosure having partitions that define a closed-loop air flow path. A plurality of fans and a plurality of data processing modules are disposed in the air flow path. A pipe network is disposed within the enclosure that includes a chilled water supply pipe that receives chilled water from a source of chilled water. A water return pipe is provided that circulates water back to the source of chilled water. A plurality of heat exchange modules is installed in the enclosure in the air flow path. The heat exchange modules receive the chilled water from the chilled water supply pipe. Each of the heat exchange modules has a water circulation tube that connects the chilled water supply pipe to the return water pipe.

A system and method for restoring the natural water cycle by reducing stormwater runoff and addressing issues affecting groundwater supply. In one embodiment of the invention, the system comprises a roof washer component, cistern component, pump, and manufactured dry well. The system is designed to divert polluted rooftop runoff, capture clean rooftop runoff and store this clean water for irrigation purposes and nonpotable uses, while infiltrating excess water to recharge groundwater supplies thereby replicating the natural hydrologic cycle.

A cooling / heating pad of the present invention includes a pad portion, a water reservoir system and a heat exchanger, wherein the pad portion has the pad portion is a foldable, thin, double-layered bag and has a plurality of adhered regions formed by a hot-press or ultrasonic hot melting process to form the water channel between the adhered regions; the water reservoir system has a water reservoir and a water circulating pump, the water reservoir having a water inlet and a water outlet, the water inlet of the water reservoir connected to the water outlet of the water channel, and the water circulating pump moving the cooling water in the water reservoir from the water outlet of the water reservoir to the water inlet of the water channel; and the heat exchanger includes an electrical heating semiconductor chip, and a thermal conductor mounted on one side of the electrical heating semiconductor chip; wherein the thermal conductor directly contacts the cooling water in the water reservoir, or is mounted on a water path between the water outlet of the water reservoir to the water inlet of the water channel, so that the cooling water is capable of exchanging heat with the thermal conductor.

This invention relates to a microclimate human body cooling system and a refrigerating system thereof. The cooling system comprises a refrigerating system, a control system and liquid cooling clothes; the refrigerating system of the cooling system is a micro steam compressed type refrigerating system, comprising a housing and a condenser, a water tank, a filter, a compressor and an evaporator which are assembled in the housing and are in sealed connection through a connecting pipe; the refrigerating fluid circularly flows therein. A micro refrigerating system is added in the system so that the low-temperature water cycles in the liquid cooling clothes to bring away the heat of the human body; the system is featured with fast starting, little volume without preparing ice blocks in advance; the system is extremely portable and is specially suitable for the thermal protection of passengers in a tank, a helicopter, a fighter, a submarine / naval craft, a racing car, a military car, an ambulance, etc.

A valve assembly for a water circulation system includes a valve body defining a bypass passage between a hot water side and a cold water side of the valve body. The bypass passage has a valve seat therein. A bypass valve is received within the bypass passage. The bypass valve restricts the flow of water through the bypass passage based on a temperature of the water in the bypass passage. The bypass valve is variably positionable with respect to the valve seat to control a bypass shut-off temperature of the water.

The invention discloses a temperature-controlled type unsaturated soil consolidometer, which can be used for geotechnical engineering measuring apparatus manufacture. The temperature-controlled type unsaturated soil consolidometer comprises a combined type pressure chamber with a bidirectional motion loading pressure piston, a diversion system, a displacement meter and laser metering equipment. Heat conducting oil is filled in a sandwich chamber between the outer side of the combined type pressure chamber and an outer-layer transparent sleeve; and moreover, the sandwich chamber is also provided with a thermoelectric couple and a heating rod to control the temperature inside the pressure chamber. When the temperature-controlled type unsaturated soil consolidometer is used, a filter paper method of suction measurement can be employed for measuring the suction of an unsaturated sample under different temperatures; unsaturated soil drying and watering cycle tests controlled under suction and compression tests under constant suction can be implemented to obtain the influence rules of the temperature on the soil-water characteristic and mechanical characteristic of unsaturated soil; andsoaking expansion deformation tests and expansion pressure tests under different temperatures can be implemented, and the expansion deformation of the unsaturated soil and the changing rules of the expansibility are respectively obtained through the displacement meter or a load sensor. The temperature-controlled type unsaturated soil consolidometer has the advantages of complete functions, simplestructure, convenient operation and high test precision.

Circulation systems for ponds, lakes, or other bodies of water. In one set of embodiments, water is drawn up from the depths of the body for exposure to the atmosphere and to generate an overall, high flow circulation pattern throughout the entire body. In other embodiments, the circulation in the body of water is primarily limited to an upper aerobic zone with only small and controlled volumes from a lower anaerobic zone being brought up. Each system preferably includes a flotation platform, dish, impeller, and draft tube with specific modifications to the various systems to adapt them for use in a variety of environments.

The invention relates to a high temperature and high pressure water circular corrosion experiment system, concretely relates to a high temperature and high pressure water circular corrosion experiment system with an automatic control function, which solves the problems that pressure can not be accurately controlled in simulation experiments and the like in prior art. The system comprises a pressure-reducing valve, an exhaust apparatus, a stainless steel water storage tank, a routine pump I, a filter cotton core, a high pressure pump, a buffer tank, a pH probe, a dissolved oxygen probe, a conductivity probe, a routine pump II, a heat exchanger, a preheater, a high pressure kettle, a condenser and a backpressure valve. The system is capable of accurately controlling the aquatic chemistry parameter in a circuit system, carrying out in-situ and on-line electrochemistry measurement and high temperature high pressure immersion experiments under the high temperature high pressure water circular condition. The system realizes the control by a hand-operated mode and an automatic mode, is capable of performing real time accurate measurement, record, display and control of the system parameter, and has the characteristics of high automation degree, high control precision, safety and high efficiency.

The invention discloses a refrigeration cooling system under a mine. The refrigeration cooling system comprises a main roadway under the mine or a refrigerating unit of a main roadway equipment cavern, and the refrigerating unit is communicated with a first mine heat exchanging device and a second mine heat exchanging device; the refrigerating unit is a refrigeration circulating system formed by connection of a condenser, an evaporator and a compressor, and the condenser is connected with the second mine heat exchanging unit through a cooling water pump to form a closed cooling-water circulating system; the evaporator is connected with the first mine heat exchanging unit through a refrigerated water pump to form a closed refrigerated-water circulating system. The refrigeration cooling system is simple in structure, low in loss of refrigeration capacity, high in heat exchanging rate and low in operation cost. Being the novel refrigeration cooling system, the refrigeration cooling system can be widely applied to a mine cooling system.

The invention belongs to protective fishery field, which in detail relates to two-cycle water treating system for industrialized fish culturing, with main characteristics being: internal recycle pool structure of various shape taking square outside and round inside as representation, cultivating fish in circular pool, the quadrangle outside pool is biological filter; water and pollution discharging pipe are equipped in bottom of pool; the mating outside circular system comprises drainage ditch, out biological filter and artificial wet land, feed ditch, pollution collecting tank; special air raising pump of U shape, high effective aeration, water raising cycle; the artificial wet land and out biological filter are combined together, depositing, filtering, adsorption, bacteria degradation, adsorption by aquatic plant and animal and cleaning water body high effectively; constructing open water inlet and outlet pitch which also used as biological filter by using fish pond to realize omni-bearing restore of cultivating wastewater. The invention is characterized by less equipment investment, low energy consumption, safe and reliable operation, convenient management and maintenance, outstanding ecological, economical and social benefit, low production cost and increased quantity and quality.

The invention discloses an expansive soil slope shallow-layer damaged soil body shear strength test method. The method comprises the following steps: performing vacuum saturation on a test sample, applying normal stress corresponding to stress during shearing on the test sample in a water tank for water soaking curing saturation so as to enable the test sample to fully absorb water until the test sample is expanded completely, drying the expanded rest sample in a constant temperature oven until the test sample obtains the constant weight, and repeating the steps until preset drying and watering cycle times are finished, so that the effect of the drying and watering cycle of air can be truly reflected. According to the method, the effective normal stress contains relatively small effective normal stress capable of reflecting an actual stressing state of a soil body; the drying and watering cycle of the air is considered, and an equivalent load effect consistent to the normal stress during shearing is applied in the drying and watering cycle expanding process; shear strength test results are fitted by adopting an improved power function replacing a Moore Coulomp linear function, so that the shear strength, in the actual stress state, of the expansive soil slope shallow-layer damaged soil body can be truly reflected.

The invention discloses a water quantity and quality regulating method based on a water function area. The method includes constructing a water quantity regulating simulation model; calculating control section flow of the water function area; calculating pollution loading amount into a river; calculating pollutant-loading capacity based on the water function area; and analyzing a standard reaching status of the water function area. According to the method, the water quantity regulating simulation model of a basin level water function area is constructed; the relation between water consumption, project scheduling and natural water cycle is considered, simultaneously, a pollutant-loading capacity analysis model of the water function area is constructed and used, the pollutant-loading capacity of the water function area is analyzed according to the water quantity regulating simulation model, and the water quantity and quality of a basin is regulated according to the analyzing and calculating results. Compared with the prior art, the factors of water consumption, project scheduling and natural water cycle are fully considered, pollutant-loading capacity analysis of the water quality of the basin is more accurate, and the water quantity regulation is more reasonable.

The invention discloses an accelerated test method of non-uniform corrosion in inbuilt electrode simulation concrete. After a concrete test piece is prepared by precating stainless steel sheets in concrete, the concrete test piece is successively performed with electroosmosis treatment, drying and watering cycle and constant-current energization treatment. Under the action of an electric field, chlorid ions accelerate to move into a concrete structure, and reinforcing steel bars in concrete reach the corrosion threshold value in advance so as to simulate the process that chlorid ions enter the concrete structure in the engineering environment. The drying and watering cycle process and little corrosion current speed up to corrode the reinforcing steel bars in the concrete structure, and the developing process of practical corrosion-induced expansive cracks is simulated. The method of the invention can simulate the diffusion process of chlorid ions to concrete in the chloride corrosion environment to realize the non-uniform corrosion and the single-surface corrosion of reinforcing steel bars in concrete, truly reflects the developing process of corrosion-induced expansive cracks in a reinforced concrete structure, and provides an accelerated test method for accessing the corroded property of the reinforced concrete structure.

An on-vehicle fuel cell system of the present invention has: a fuel cell stack which is mounted on a vehicle and generates power by using fuel gas and oxidant gas, the fuel cell stack including a water passage which performs cooling and humidification in an inside thereof; a water circulator which circulates water through the water passage; a water tank which reserves the water; a discharge device which discharges extra water from the water tank to an outside of the vehicle; and a discharge control device which controls the discharge of the water by the discharge device. The discharge control device makes a control not to discharge liquid-water to the outside of the vehicle in a case where a road surface condition immediately under the vehicle is estimated to be a predetermined road surface condition.

The invention discloses an expansive-soil slope hygroscopic deformation model experiment method and a system. The expansive-soil slope hygroscopic deformation model experiment method comprises following steps: A, soil samples are turned and subjected to sun drying so as to control water content and soil filling thickness; B, soil filling is carried out by layers, slope cutting is carried out uniformly, and a part of monitoring components are buried; C, an obtained soil slope is allowed to stand until cracks are generated, and a displacement sensor is arranged; D, physical quantity initial values are recorded; E, a rainfall simulator is used for realizing dropping-pouring type concentrated rainfall, and rainfall amount is controlled; F, physical quantities and rainfall amount are monitored according to rainfall stages; G, a rainfall-evaporation cycle is carried out repeatedly so as to stimulate drying and watering cycle; and H, slope morphologic change is recorded, and results are analyzed. The system comprises a model case, monitoring components, and a rainfall simulator; the monitoring components are arranged in the model case; and the rainfall simulator is arranged on the upper part slope shoulder of the model case. The expansive-soil slope hygroscopic deformation model experiment method and the system are suitable for a plurality of expansive-soil slope hygroscopic deformation model experiments, and possess significant importance for researches on expansive-soil slope stability and catastrophe mechanisms.

The invention relates to a simulation testing system of a water circulation process under human activity disturbance conditions. The system comprises a simulation platform for simulating nature and human activities, which affect water circulation, and a monitoring platform for monitoring through a sensor, as well as a computer monitoring platform for controlling the simulation platform and performing data sampling and data processing on the monitoring platform, a seepage-proof pool, experimental soil, a rain shelter, a simulation rainfall device, a groundwater level simulation device, a water intake well, an observation device related to vorticity, an automatic weather station, a runoff detection device, a surface runoff sensor, a runoff instrument, a sensor for water content in the soil, a detection device and a control device. The simulation platform, the monitoring platform and the computer monitoring platform of the system disclosed by the invention are organically combined to form specific water circulation sub-systems among the various parts, namely the simulation device, the detection device and a control platform, and the integration of the sub-systems can realize the omnibearing simulation concept of a complex water circulation system of nature-manual work.

The invention discloses a hydropower dual-purpose heating system of a hybrid electric vehicle. The hydropower dual-purpose heating system comprises a water radiator, an electric heater, an engine control unit, a temperature sensor, an entire vehicle control unit and an air conditioner control unit, wherein the water radiator is connected with an engine cooling water cycle; the engine control unit is used for controlling opening and closing of an engine; the temperature sensor is used for detecting ambient temperature; the entire vehicle control unit is used for monitoring the entire vehicle operation state; and the air conditioner control unit is used for controlling to turn on the water radiator according to a running mode signal and an engine working state signal of the entire vehicle control unit and an ambient temperature signal from the temperature sensor, and controlling to turn on the electric heater according to the running mode signal and a battery SOC (State of Charge) signal of the entire vehicle control unit and the ambient temperature signal from the temperature sensor. The invention also discloses a hydropower dual-purpose heating control method of the hybrid electric vehicle. According to the hydropower dual-purpose heating system and the hydropower dual-purpose heating control method, the consumtion ofelectric energy and fuel is optimized on the premise of guaranteeing a heating effect to reduce the energy consumption while a battery and engine cooling water are simultaneously used for heating.

The invention discloses an intelligent LED (Light-Emitting Diode) light supplementing indoor circulating economical planting and breeding system, which is characterized by comprising a plant culturing system, an aquarium fish breeding system, an LED plant light supplementing system, an air circulating system, a water circulating system and a control system, wherein the plant culturing system is connected with the aquarium fish breeding system through the water circulating system; plants are irrigated by using fish breeding water, and excrements of fishes are purified by using the plants, so that circular utilization of water and nutrients is realized; the LED plant light supplementing system is connected with the plant culturing system, so that illumination adjustment and supplement are performed on the plants, and healthy growth of the plants is facilitated; and the aquarium fish breeding system is connected with the air circulating system, so that air with a certain flow amount is pumped into a fish tank periodically, and the oxygen content in water is ensured. According to the economical planting and breeding system, a complete indoor economical planting and breeding system is constructed, and the entire system is simple in structure and low in cost; and meanwhile, the economical planting and breeding system has the effects of purifying indoor air, adjusting indoor air humidity and beautifying indoor environment.

The invention discloses an engine exhaust gas waste heat recovery and control system and method based on organic rankine cycle, and belongs to the field of energy conservation and emission reduction. In the invention, a waste heat recovery system comprises engine cycle, organic rankine cycle, cooling water cycle and lubrication oil cycle which are coupled together; by means of reasonable control, the system can be convenient to start, stable to operate and rapid to stop according to the operation of the engine under different working conditions; in case of a system failure, the system can be emergently braked; and under the condition of no influence on the normal operation of the engine, the optimal performances of the system can be obtained finally, and the utilization ratio of the engine exhaust gas waste heat is improved greatly, thus thermal pollution of the engine exhaust gas to the environment is improved.

The invention relates to a water cycle filtering system for aquiculture, which comprises an ozone treatment system, a mechanical filtration system, a biological filtration system, a liquid-oxygen conversion system and an oxygen saturation system, wherein all systems are communicated through gas pipelines or liquid transport pipelines. In the overall system, the aquaculture water is circularly treated in 24 hours, the aquaculture waste water is treated and then fed into an aquaculture pond again to be used, and the water changing ratio every day is only 3 percent; and the system has the advantages of constant water temperature, good water quality in dynamic water aquaculture, low water consumption in static water aquaculture, and the like. Equipment generates basically enough heat to insulate a fishery so as to save energy; the aquaculture waste is reclaimed for producing organic fertilizer so as to change waste into valuable; the system can achieve zero discharge of the aquiculture, and a water environment achieves pathogen free, waste residue free and pollution free and keeps enough oxygen content of the water body; and the system does not use fishery drugs to cultivate, and is a green, environment-friendly, energy-saving and low-cost aquiculture water treatment system.

A human-powered generator system for electric watercycles with a control means whereby the perceived mechanical properties of the pedal mechanism and electric pedal-powered generator are adjustable by the operator. The invention provides a means whereby the rotational inertia and damping of the input pedal mechanism, including generator, as perceived by the operator can be increased or decreased as desired. The control means with further properties such that the input pedal mechanism as perceived by the operator can be made to mimic that of bicycle; i.e., with large inertia when pedaling in the forward direction, a very low inertia when pedaling in the reverse direction, and a freewheeling clutch mechanism whereby the large inertia is disengaged when not pedaling in the forward direction with a forward torque. The control means further enable the electric watercycle to be perceived as coasting through the water when the operator takes a momentary break from pedaling, much like that of a bicycle coasting.

An air conditioner for a vehicle includes a refrigerant cycle having an evaporator which is disposed in a blowing duct and cools air by refrigerant evaporation in the blowing duct; a compressor setting the evaporated refrigerant at a high temperature and high pressure; a refrigerant-to-water heat exchanger heating cooling water by heat transfer from the refrigerant discharged from the compressor; and an expansion device decompressing the refrigerant discharged from the refrigerant-to-water heat exchanger, The air conditioner also includes a cooling water cycle having a heater core which is disposed on the downstream side of the evaporator; a radiator cooling the cooling water; a pump circulating the cooling water cooled by the radiator; a power engine cooled by the cooling water fed by the pump; and the refrigerant-to-water heat exchanger. The refrigerant cycle performs cooling for dehumidification by performing the operation of heating.

Circulation systems for ponds, lakes, or other bodies of water. In one set of embodiments, water is drawn up from the depths of the body for exposure to the atmosphere and to generate an overall, high flow circulation pattern throughout the entire body. In other embodiments, the circulation in the body of water is primarily limited to an upper aerobic zone with only small and controlled volumes from a lower anaerobic zone being brought up. Each system preferably includes a flotation platform, dish, impeller, and draft tube with specific modifications to the various systems to adapt them for use in a variety of environments.

The invention relates to an experimental device and method for measuring the surface coefficient of heat transfer of supercritical carbon dioxide. The experimental device comprises a supercritical carbon dioxide circulating system and an injected water circulating system, wherein the supercritical carbon dioxide circulating system is provided with a measuring pipeline segment inner pipe, the injected water circulating system is provided with a measuring pipeline segment outer pipe, and the measuring pipeline segment inner pipe is embedded in the measuring pipeline segment outer pipe; water flows in an annulus between the measuring pipeline segment outer pipe and the measuring pipeline segment inner pipe; the supercritical carbon dioxide circulating system provides a circulating loop closed at high temperature and high pressure for carbon dioxide; the heat exchange of supercritical carbon dioxide in the measuring pipeline segment inner pipe can be realized through the injected water circulating system. The measurement on the surface coefficient of heat transfer of supercritical carbon dioxide within larger pressure and temperature range can be realized so as to obtain the surface coefficient of heat transfer of supercritical carbon dioxide under the conditions of different temperatures and pressures; the experimental device and method are simple in equipment, convenient to operate, and high in feasibility; the measurement method is scientific, and high-precision parameter measurement can be realized.

The invention provides a cooling system for the working face of the mine. The invention consists of a ground refrigerating unit, a cooling water recycling device, a cold wind preparing device and a cold wind conveying pipeline. The refrigerating unit and the cooling water recycling device comprise a compressor 7, a condenser 3, a throttle 8, a heat exchanger 10, a cooling water pond 1, and a fresh water pump 2. The cold wind preparing device is a wind spraying chamber 11, and uses the cold media water prepared by the refrigerating unit to spray the wind current, can comprises a wind-inlet grille 16, a wind outlet 20, a water squirting pipe 17, a nozzle 18, a breakwater 19, a wind chamber water falling pond 21, a general water inlet pipe 22, a general water outlet pipe 23 and the like. A plurality of rows of vertical water squirting pipes are arranged between the wind-inlet grille and the wind inlet, nozzles are arranged on the top of the water squirting pipes, and the general water inlet pipe introduces the cold media water of the refrigerating unit. The invention adopts the cold media water spray to process, and prepare the cold wind with the high wind volume, high temperature difference, high enthalpy difference; can reduce the times of the heat exchanging process, lower the heat transferring temperature difference, improve the whole efficiency, and reduce the cold volume waste of the middle course; thereby is applicable for cooling the high-temperature hot and harmful circumstance.

The invention relates to a method for cultivating swamp eels and a device thereof and pertains to the technical field of agricultural cultivation, which is used for solving the problem of industrial high-density cultivation of the swamp eels under the unnatural conditions. The technical proposal thereof is that a three-dimensional multilayer small-area controllable water level combined-typed cultivating pool is arranged at the heliophobe indoor; according to the living habits and requirements of the best growing environmental conditions of the swamp eels, water source, the conditions of water quality, breeding density and bait proportion are configured for cultivating the swamp eels. Meanwhile, the three-dimensional combined-typed cultivating pool, a filtration pool, a deposition pool, an oxygenation pool, a dosing pump, a disinfector, a thermostat, and the like, form a closed water cycle system. And the problems of water supply, filtration, deposition, disinfection, constant temperature, constant flow, oxygenation, pollution discharge, and the like, under the condition of high density cultivation are solved in the cycle. By applying the method and the device of the invention, the swamp eels can be cultivated all the time without the influences of season and climate, and the large-scaled industrial cultivation of the swamp eels which are excellent special aquatic products can be realized.

The invention provides an optimization method for determining a flue gas excess heat organic Rankine cycle system parameter. The optimization method comprises the steps of taking into account of a cooling water cycle to establish a thermodynamic model; through a first law of thermodynamics and a second law of thermodynamics, obtaining system net output power, water pump waste power, heat efficiency, (the formula is shown in the description) efficiency and irreversible loss, and according to the influence of an evaporation temperature and an expansion ratio on system thermodynamic performance, determining an optimal evaporation temperature; under the optimal evaporation temperature, calculating heat exchange areas of an evaporator and a condenser, wherein it is defined that an economical objective function is the ratio of the system net output power to the area of the evaporator to the area of the condenser, and the comprehensively evaluation function is the weighted sum the economical objective function (the formula is shown in the description) and the efficiency; with the comprehensive evaluation function being an optimization target, determining an optimal condensation temperature; according to the optimal evaporation temperature and the optimal condensation temperature, determining system parameters of work medium mass, cooling water mass, evaporation pressure, condensation pressure, an expansion ratio, the net output power, the heat efficiency and the irreversible loss. According to the optimization method for determining the flue gas excess heat organic Rankine cycle system parameter, the optimal evaporation temperature and the condensation temperature can be determined, and thus the optimal system parameter is determined.

The invention relates to water circulation systems, in particular to a water circulation system which can control hydrochemistry and meet high temperature and high pressure conditions, and solves problems such as the measurement and the control of a hydrochemistry parameter in the high temperature and high pressure water circulation system and the like. The system mainly consists of two loops; a primary loop is in a normal temperature and pressure state; through continuous circulation in the primary loop, the conductivity of water can be caused to reach a needed index; dissolved oxygen content and dissolved hydrogen content in the water can be comparatively precisely controlled; the PH value and temperature changes of the water can be detected in an on-line manner; and solutions containing special ions can be added in the primary loop according to the needs of an experiment; a high pressure pump and a preheater in a secondary loop can cause water in an autoclave to reach a state of high temperature and high pressure (320 DEG C, 12 MPa), and simulate practical service environments (such as a nuclear power high temperature water environment) to conduct an environment damage experiment on a material; and after heat transfer and cooling, water out of the autoclave can return to the primary loop to be continuously recycled and used.