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493 results about "Water exchange" patented technology

Plain water network area runoff simulation method

The invention discloses a plain water network area runoff simulation method which comprises the following steps: acquiring and preprocessing multi-source data to obtain a time-space consistency hydrological data set; based on the time-space consistency hydrological data set, obtaining polder area water level data and exchange flow data by adopting an enhanced polder system dynamic model; carrying out runoff production calculation in the plain area by adopting an improved XAJ model; constructing a multi-scale river network topological structure, and executing multi-directional flow state identification and prediction of deep space-time fusion; and constructing a time-varying structure adaptive BP neural network model to realize runoff simulation of the plain water network area. According to the method, the technical problems of reverse flow phenomenon identification in a plain water network area, polder area water exchange threshold effect simulation, distribution node dynamic distribution coefficient optimization, temporary moving pump station influence correction and the like can be effectively solved.
Owner:NANJING HYDRAULIC RES INST

Vehicle heat pump system

Vehicle heat pump system comprising a compressor for discharging a refrigerant; an indoor heat exchanger in an air-conditioning case, allowing heat exchange between air and the refrigerant; a water-cooled condenser downstream of the indoor heat exchanger in the flow direction of the refrigerant, exchanging heat with first cooling water; an outdoor heat exchanger downstream of the water-cooled condenser, allowing heat exchange between the refrigerant and outdoor air; an evaporator in the air-conditioning case, allowing heat exchange between the refrigerant and the air to cool the indoor space, and a chiller downstream of the outdoor heat exchanger exchanging heat with second cooling water. An outdoor unit bypass line allowing refrigerant to pass through the water-cooled condenser and bypass the outdoor heat exchanger, which branches off between the water-cooled condenser and the outdoor heat exchanger and is connected to the upstream side of the chiller in the flow direction of the refrigerant.
Owner:HANON SYST CO LTD

River and underground water coupling simulation parameter generation method and system

The invention relates to the technical field of coupling simulation, in particular to a river and underground water coupling simulation parameter generation method and system. The method comprises the following steps: collecting remote sensing and ground sensing monitoring data, and generating a multi-source space-time initial data set through time mark calibration, space resampling and signal-to-noise ratio weighted fusion; extracting features between the water level of the river and the water level of the underground water based on the data set, constructing a river-underground water space-time topological structure and identifying an interaction mode, and forming a space-time coupling feature map through significance screening and periodic enhancement; performing parameter inversion by adopting a hydrodynamic equation, and generating a physical inversion parameter set in combination with sensitivity analysis and local optimization; a parallelization hydrological simulation framework is constructed, error-driven optimization is executed, and dynamic optimization parameters are obtained; river and underground water exchange simulation is executed, and finally, coupling simulation parameter set updating is achieved through sliding window deviation evaluation and incremental parameter correction. Therefore, the precision and operability of a coupling simulation result are improved.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

Ecological circulation barrel-in-barrel culture data acquisition system

The invention provides an ecological circulation barrel-in-barrel culture data acquisition method and system, and relates to the technical field of intelligent control, and the method comprises the steps: carrying out the feature extraction of a historical data flow through a multivariable coupling analysis model, carrying out the mode matching through a preset environment threshold interval and a culture environment state matrix, and obtaining a culture environment state matrix; generating a water quality health degree evaluation index and an ecological imbalance early warning signal; and analyzing the water quality health degree evaluation index and the ecological imbalance early warning signal based on a fuzzy control algorithm, dynamically calculating a final feeding amount curve and a water change intensity function, and generating a regulation and control instruction set containing the feeding frequency, the bait particle size and the water pump rotating speed. According to the invention, real-time evaluation and accurate intervention of the water quality health state can be realized.
Owner:HUNAN INST OF FISHERY SCI +1

Ecological irrigation area hydrological connectivity assessment method, device, equipment and medium

The invention relates to an ecological irrigation area hydrological connectivity assessment method, device and equipment and a medium. According to the method, a monitoring data set is generated by collecting time sequence data of parameters such as flow; analyzing a dynamic water quantity exchange relation between water bodies based on the time sequence data, and generating a water quantity exchange relation matrix; constructing an irrigation area hydrological network topology model by using the matrix; key connection nodes are identified through a node centrality calculation and threshold screening mechanism, and a hierarchical node importance list is generated; performing connectivity quantitative analysis in combination with the topological model and the node list, and outputting a three-dimensional evaluation vector; generating a regulation and control strategy based on an evaluation result, and outputting a priority regulation and control sequence of the key nodes; and the monitoring network and the model are dynamically optimized by regulating and controlling feedback data. Therefore, the dynamic characteristics of the hydrological network are captured, the accuracy of key node identification is improved, a scientific basis is provided for optimization design and risk early warning of an irrigation area network, and meanwhile, the reliability and adaptability of overall evaluation are improved through a closed-loop feedback mechanism.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER

Method and system for detecting and evaluating frog virus in aquaculture water based on tangential flow enrichment

The invention discloses a method and a system for detecting and evaluating frog viruses in culture water based on tangential flow enrichment, and aims to improve the accuracy and efficiency of virus monitoring in frog culture water. The method comprises the following steps: dividing a culture pond into a plurality of sub-regions, obtaining hydrodynamic parameters of each region, and determining spatial distribution of water flow exchange efficiency; analyzing the growth suitability of the frog virus according to the distribution, and determining the detection position of the virus; detecting viruses in a preset time period by utilizing a tangential flow enrichment technology, and evaluating the change of the virus content; and predicting a virus diffusion trend according to the change data, and providing a corresponding water environment regulation scheme. According to the method, the detection sensitivity and diffusion prediction accuracy of the frog virus can be effectively improved.
Owner:SHENZHEN CUSTOMS ANIMAL & PLANT INSPECTION & QUARANTINE TECH CENT +1

Heat exchanger assembly for air conditioner

The invention relates to the technical field of air conditioner heat exchangers, and discloses a heat exchanger assembly for an air conditioner, which realizes uniform distribution of steam at an inlet position, ensures uniform contact between the steam and a heat exchange tube subsequently, and realizes efficient heat exchange between a heat source and a cooling liquid. The baffle plates are arranged in an up-and-down staggered mode to achieve vertical S-shaped flow of steam and are arranged in a left-and-right staggered mode, the two side faces of each spoiler are inclined faces, transverse S-shaped flow of the steam is achieved, it is guaranteed that the contact area of the steam and the heat exchange pipes is larger, the heat exchange effect is good, the spoiler blocks can destroy the boundary layer of steam flow, disturbance on steam flow is increased, and the heat exchange efficiency is improved. The circulation speed during steam heat exchange is slowed down, the contact time of the steam and the heat exchange pipes is prolonged, and the heat exchange effect is further improved; and when condensate water generated after heat exchange is finished flows out, the condensate water is filtered firstly, the heat conduction pipe is prevented from being blocked, the condensate water exchanges heat with the introduced cooling liquid after entering the heat conduction pipe, preheating of the cooling liquid is achieved, and energy waste is reduced.
Owner:JIANGSU FUYUANDA THERMAL TECH CO LTD

Seawater exchange type breakwater management method based on intelligent control

The invention discloses a seawater exchange type breakwater management method based on intelligent control, and particularly relates to the technical field of breakwater management. By constructing a multi-parameter correlation model, environmental data such as dissolved oxygen, turbidity and water temperature are collected in real time, the coupling relation is identified, and a risk factor value is calculated, so that a water change control decision is dynamically corrected; by controlling execution units such as a water gate, a water pump or a valve, water changing operation is accurately implemented, feedback data is collected after operation, the control effect is evaluated, then self-adaptive optimization of a next round of strategy is achieved, and the judgment accuracy, control flexibility and ecological safety of the system in a complex environment are effectively improved.
Owner:FISHERY ENG RES INST CHINESE ACAD OF FISHERY SCI

Agricultural product processing production line with energy-saving system

The utility model belongs to the field of agricultural product quick-freezing production and processing, and particularly relates to an agricultural product processing production line with an energy-saving system, husked corn is sequentially subjected to husking, cleaning, temporary heating, steaming, normal-temperature water cooling, air drying and draining, quick-freezing, packaging and warehousing, and refrigeration and quick-freezing are achieved through circulation of refrigerants during quick-freezing; heat generated during heat release of the refrigerant is recovered through the heat recovery device, and the recovered heat is used for heating water in the heat preservation water tank; hot water generated by steaming and normal-temperature water cooling absorbs heat through a heat exchanger, and water required by buffer heating is heated; according to the utility model, the heat released by the refrigerant can be effectively recovered and utilized in the electric steam boiler, so that the heat released by the refrigerant is fully utilized; in the cooking and cooling process, discharged hot water exchanges heat with new water through the heat exchanger, heat in the hot water is recycled, the heat required to be consumed is reduced, and the effects of environmental protection and energy conservation are achieved.
Owner:XINJIANG ACAD OF AGRI SCI COMPREHENSIVE TEST FIELD +2

Forming equipment for processing disposable meal box

The utility model discloses forming equipment for processing disposable lunch boxes, which relates to the technical field of lunch box forming equipment and comprises a forming mechanism, a cooling mechanism, a vibrating mechanism and the like. The forming equipment is provided with the cooling mechanism, cavities are arranged in a lower die box, two steel pipes are respectively communicated with the two cavities, and the two steel pipes are respectively communicated with the vibrating mechanism. After a production material enters the mold, cold water and the production material are used for heat exchange, cooling of the production material is accelerated, the production material is rapidly shaped into a meal box, the time for shaping the meal box is shortened, the production efficiency is improved, and the production efficiency is improved. The vibrator of the vibrating mechanism of the device is fixed on the lower die according to the clamping principle, and the vibrator can be taken down only by inwards pressing the two clamping pieces to move out of the clamping grooves in the disassembling process, so that the vibrator is easy to disassemble, and the vibrator can be taken down conveniently to be overhauled.
Owner:SHANTOU K-STONE GREEN TECH CO LTD

Building heat exchange unit with protection function

The invention discloses a building heat exchange unit with a protection function, relates to the technical field of heat exchange devices, and provides the following scheme that the building heat exchange unit comprises a fixed bracket, and further comprises a heat exchange mechanism, a protection mechanism and a control mechanism, and the heat exchange mechanism is arranged on one side of the top of the fixed bracket and used for building cold and hot water exchange; the water storage assembly is arranged on the other side of the top of the fixed support and used for storing building water; the monitoring and protecting mechanism is arranged on one side of the heat exchange mechanism and used for real-time monitoring during cold and hot water exchange treatment of the heat exchange mechanism, and the monitoring and protecting mechanism is connected with the heat exchange mechanism; and the circulating assembly is arranged on the fixed bracket. The cold and hot water exchange efficiency is improved, heat transfer is achieved, meanwhile, the stability of the heat exchanger in the operation process is guaranteed, vibration and noise generated in the operation process are reduced, equipment loss is reduced, the service life is prolonged, water backflow is prevented, the correct water flow direction is guaranteed, and stable operation of the system is maintained; pipeline blockage and influence on normal operation of equipment are avoided, and system water quality is guaranteed.
Owner:SHANDONG FEIYANG ENERGY SAVING TECH CO LTD

Inland river basin water resource quantity accurate evaluation system and method

The invention relates to the technical field of resource evaluation, in particular to a precise evaluation system and method for the water resource quantity of an inland river basin, and the method comprises the following steps: laying a multi-modal sensor network in the inland river basin, collecting the hydrological characteristic data of the inland river and surrounding wetlands, extracting the inland river-wetland recessive water exchange characteristic indexes, and calculating the water resource quantity of the inland river basin; comprising the wetland groundwater supply amount, the inland river boundary seepage rate and the seasonal water exchange amplitude; based on the inland river-wetland recessive moisture exchange characteristic indexes, establishing an inland river-wetland recessive moisture exchange dynamic model; and embedding the inland river-wetland recessive water exchange dynamic model into an inland river basin water circulation system, and comprehensively calculating the surface water resource quantity and the underground water resource quantity in the basin. According to the method, the wetland consumption part is removed through the recessive moisture exchange between the wetland and the inland river, so that the water resource quantity calculation is more accurate.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

An inland river basin water resource quantity accurate evaluation system and method

The present application relates to the technical field of resource assessment, and particularly relates to a system and method for accurately assessing water resource quantity in an inland river basin, comprising the following steps: arranging a multi-modal sensor network in the inland river basin, collecting hydrological characteristic data of the inland river and surrounding wetlands, extracting implicit water exchange characteristic indexes between the inland river and the wetlands, including wetland groundwater recharge, inland river boundary seepage rate and seasonal water exchange amplitude; based on the implicit water exchange characteristic indexes between the inland river and the wetlands, establishing an inland river-wetland implicit water exchange dynamic model; embedding the inland river-wetland implicit water exchange dynamic model into the water cycle system of the inland river basin, and comprehensively calculating the surface water resource quantity and the groundwater resource quantity in the basin. Through the implicit water exchange between the wetlands and the inland river, the present application eliminates the wetland consumption part, so that the water resource quantity calculation is more accurate.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Charging and refuelling station for autonomous cleaning robots

A charging and refuelling station for an autonomous cleaning robot including; a charging mechanism including a sprung mount resiliently supported on the charging and refuelling station, a swivel mount pivotally supported on the sprung mount, the swivel mount supporting contact plates for contacting charging contact plates of the autonomous cleaning robot when docked at the station; and a water exchange system including a tap for fresh water refilling of the autonomous cleaning robot, and a draining system including a drain tank for receiving water draining from the autonomous cleaning robot.
Owner:LIONSBOT INT PTE LTD

Breathable plant leaf biomimetic material with antifouling, self-cleaning and spectrum simulation properties and preparation method of breathable plant leaf biomimetic material

ActiveCN121160163ACamouflage paintsPlant StomataSoil science
The invention discloses a breathable plant leaf biomimetic material with antifouling, self-cleaning and spectrum simulation properties and a preparation method of the breathable plant leaf biomimetic material. The breathable plant leaf biomimetic material can be applied to a base material through a two-step coating method. The first layer is a mesophyll-like porous dual-network hydrogel structure, hyperspectral pigment and moisture absorption salt are dispersed in the first layer, spectral characteristics of plant leaves in visible light and near infrared bands are simulated, and a water transpiration function controlled by plant pores is reproduced through a pore structure and a salt medium, so that stable spectral response and dynamic water exchange are realized; and the second layer is a leaf-skin-imitated coating, and has long-term stable antifouling and self-cleaning characteristics through a liquid-like super-smooth hydrophobic surface structure. The plant leaf spectrum simulation coating has anti-mud and hydrophobic properties, can still keep an excellent plant leaf spectrum simulation effect after being washed by rainwater, and can realize high-weather-resistance spectrum simulation.
Owner:JIANGNAN UNIV

Electrified transformation fused salt energy storage and steam supply system in petrochemical industry

The invention discloses an electrified transformation fused salt energy storage and steam supply system in the petrochemical industry, and relates to an energy storage and steam supply system. The invention aims to solve the problem of excessive carbon emission in the production process of the existing petrochemical industry. The system comprises a groove type heat collecting system, a hot salt pump, a hot salt tank, a cold salt pump, a cold salt tank, a superheater, an evaporator, a preheater, a front preheater, a deaerator and a water feeding pump, the cold salt pump pumps fused salt in the cold salt tank into the groove type heat collecting system, and the hot salt pump sequentially pumps fused salt in the hot salt tank into the fused salt side of the superheater, the evaporator and the preheater from top to bottom; a water feeding pump sequentially pumps feed water in a deaerator into the water / steam side of the front preheater, the preheater, the evaporator and the superheater from front to back, fused salt and the feed water exchange heat in the pumping process, and superheated steam generated by heating the feed water enters a main steam system, the front preheater and the deaerator through a steam outlet of the superheater. The method is used for electrified transformation of fused salt energy storage and steam supply in the petrochemical industry.
Owner:HARBIN TURBINE AUX EQUIP ENG +1

Underground water flux remote sensing estimation method and system with separation of infiltration and lateral inflow

The invention belongs to the technical field of inter-basin underground water circulation flux estimation, and particularly relates to an infiltration and lateral inflow separated underground water flux remote sensing estimation method and system. The method includes: acquiring a multi-source remote sensing data set of a research area; performing partition correction on evapotranspiration data of different land utilization type areas in the research area; the method comprises the following steps: dividing a research region into equal-area units, identifying a vertical dominant unit and a lateral dominant unit, and further determining a cross-basin underground water exchange zone; and solving a local vertical infiltration amount by using the vertical dominant unit and interpolating to form a background field, establishing a combined equation set which takes the background field as an initial value and takes the dynamic characteristic parameters of the underground water as additional constraints for the lateral dominant unit, solving to obtain an external lateral inflow amount, and further obtaining a cross-basin underground water circulation flux. According to the method, the vertical dominant unit and the lateral dominant unit are identified, and the cross-basin groundwater circulation flux is quantitatively estimated.
Owner:SHANDONG UNIV

Intelligent irrigation analysis control system based on crop growth period

The invention relates to the technical field of intelligent agricultural intelligent irrigation control, and discloses an intelligent irrigation analysis control system based on a crop growth period. The system comprises a crop image sequence, soil humidity profile data and a regional meteorological sequence. And the data analysis module is used for performing multi-stage growth state interpretation on the image sequence, generating a crop structure state profile in each growth period, performing vertical moisture exchange identification on the soil humidity data, and generating a root zone moisture dynamic map. And the habitat mapping and stress evaluation module synchronously executes habitat adaptability mapping and moisture stress risk mapping. And the irrigation decision module corrects the habitat mapping result according to the stress evaluation result and generates an irrigation decision profile. And the control instruction generation module generates a partition valve control instruction in combination with the decision profile and the alternate irrigation rule. According to the invention, deep fusion analysis of the crop growth state, the root zone moisture and the meteorological environment is realized, and the irrigation decision accuracy and the water resource utilization efficiency are improved.
Owner:SHANDONG BAIMU INFORMATION TECHNOLOGY CO LTD

Energy-saving and environment-friendly waste heat recovery type heat exchange system

The invention discloses an energy-saving and environment-friendly waste heat recovery type heat exchange system, and relates to the technical field of heat exchange, a heat-insulation shell is provided with a heat exchange dust removal assembly, the outer side of a heat exchange water pipe assembly is uniformly sleeved with fixed heat exchange sheets, and the side, close to the fixed heat exchange sheets, of a movable heat exchange sheet is fixedly clamped with a scraper; the electric push rod pushes the sliding block to slide along the sliding rail, the scraping plate can scrape off dust adhering between the fixed heat exchange pieces, the movable sleeve pushes the fixed lead screw to move upwards, the movable lead screw can move upwards, the movable lead screw can move upwards, the movable lead screw can move upwards, and therefore the dust can be removed, and the dust can be removed. The protruding plates and the movable heat exchange pieces which are connected with the lifting plates are pushed to penetrate through the guide scraping holes, the scraping plates penetrate through the scraping plate holes, the movable heat exchange pieces are also cleaned, cleaning is easy while the large heat exchange area of the internal structure is guaranteed, the heat exchange efficiency is guaranteed, and the cleaning difficulty is greatly reduced.
Owner:BEIJING GROUNDSUN TECH CO LTD

Heat pump integrated machine and heat pump system

The present application discloses a heat pump integrated machine and a heat pump system, which relates to the field of HVAC technology, including a shell, a heat sink, a circuit board, a heat exchange component and a water cooling component. The heat exchange component is arranged in a cavity, and the heat exchange component includes a shell and a heat exchange tube. A water cavity is formed between the shell and the heat exchange tube. The surface of the shell has a water inlet and a water outlet connected to the water cavity. The water cooling component includes a pump body and a water pipe. The water pipe has a water outlet and a water inlet, and both the water outlet and the water inlet are connected to the water cavity. The heat sink is a water-cooled heat sink, and the water pipe provides cooling water for the heat sink. The pump body is connected to the water pipe. Heat is exchanged with water in the water cavity through the heat exchange tube, and the water exchanged in the water cavity is sucked into the water pipe by the pump body in the water cooling component, thereby providing cooling water for the heat sink, and taking away the heat of the heat sink. Since the water in the water pipe has a certain temperature after heat exchange in the water cavity, the temperature difference with the temperature of the heat sink can be reduced, thereby reducing the probability of condensation.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

Outdoor unit of air conditioner

An outdoor unit of an air conditioner includes a base panel having first inlet and outlet holes; a compressor; a tank storing water exchanging heat with refrigerant discharged from the compressor; a pump supplying the water to the tank; a vertical panel having second inlet and outlet holes; a deaerator removing gas contained in the heat-exchanged water flowing from the tank; and pipes connected to the tank, the pump, and the deaerator, the pipes including a first pipe connected to an inlet of the pump; a second pipe connecting an outlet of the pump and the tank; a third pipe connecting that tank and an inlet of the deaerator; and a fourth pipe connected to an outlet of the deaerator; and the first pipe and the fourth being connectable to the inlet and outlet holes of either the vertical panel or the base panel.
Owner:LG ELECTRONICS INC

Oxygenation device for fancy carp fry culture pond

The utility model relates to the technical field of fry culture, and discloses an oxygenation device for a fancy carp fry culture pond, which comprises a culture pond, an oxygenation mechanism is arranged in a water changing tank, a drainage mechanism is arranged at the bottom end of the water changing tank, and a water changing mechanism is arranged between the side end of the culture pond and the side end of the water changing tank. Water with thin oxygen in the culture pond can be pumped into the water changing tank through the water changing mechanism, air oxygen is pumped into the water with thin oxygen through the oxygenation mechanism for oxygenation, the water with the oxygen increased is discharged into the culture pond through the drainage mechanism, and therefore circulating water changing can be conveniently conducted on the water in the culture pond, and the water quality of the culture pond is improved. And meanwhile, due to the fact that the oxygen increasing mechanism is arranged in the water changing box, the water does not make contact with the fancy carps during oxygen increasing, the situation that the fancy carps make contact with the oxygen increasing mechanism to cause injuries and deaths is avoided, and economic losses caused to farmers are avoided.
Owner:SHANDONG TANGWANG CARP AGRI DEV CO LTD

Urban inland inundation simulation method and risk early warning risk avoiding system based on one-dimensional and two-dimensional model coupling

The invention provides an urban inland inundation simulation method and a risk early-warning risk-avoiding system based on coupling of a one-dimensional model and a two-dimensional model. The method comprises the following steps: performing one-dimensional and two-dimensional hydrodynamic simulation on urban inland inundation rainstorm and flood based on SWMM and OpenFOAM; establishing a water exchange interface between the first model and the second model, dynamically calculating exchange flow according to a water level relationship, and establishing and executing a two-dimensional model coupling mechanism; based on a coupling mechanism, running simulation and outputting data and results; building an urban model based on a Cesium platform, and inputting flood routing data obtained based on model coupling to realize visual simulation of urban inland inundation flood routing; a risk early-warning risk-avoiding system is built on the basis of a visual result and in combination with emergency management theoretical knowledge and comprises a waterlogging simulation module, an early-warning module, a risk zoning module and a risk-avoiding transfer module; risk area division of a target area is realized based on double factors of water depth and flow velocity, and a corresponding optimal risk avoiding route is planned based on a Dijkstra algorithm.
Owner:CHINA THREE GORGES UNIV

Clear water circulation intelligent scheduling method and system based on water environment situation driving

The invention discloses a clear water circulation intelligent scheduling method and system based on water environment situation driving, and the method comprises the steps: carrying out the automatic model configuration based on a multi-mode automatic selection algorithm driven by the water environment situation, and driving the running water scheduling simulation; online simulation calculation of clear water circulation forecasting scheduling and forecasting and early warning of clear water circulation are achieved; a clear water loop scheduling decision-making platform is established by combining a WebGL visualization technology with a WebGis technology, and refined simulation rehearsal of various scheduling scenes on a three-dimensional terrain is realized; through a clear water circulation multi-target scheduling decision scheme optimization method, according to a clear water circulation scheduling result, optimization of a plurality of scheduling schemes is realized, factors such as water change amount, engineering operation time, gate water discharge amount, pump station water diversion amount and the like are brought into an evaluation index system, and a clear water circulation multi-target scheduling decision scheme which not only meets the clear water circulation requirement but also meets the water circulation requirement is optimized. The scheduling time can be saved to the greatest extent, the cost is reduced, and the experience judgment error of a scheduling decision maker is reduced.
Owner:NINGBO WATER RESOURCES & HYDROPOWER PLANNING & DESIGN INST CO LTD

Tracer method-based harbor pollutant concentration distribution analysis method and system

The invention discloses a harbor pollutant concentration distribution analysis method and system based on a tracer method, and relates to the technical field of pollutant concentration analysis, and the method comprises the steps: calculating the tidal capacity of a harbor based on tidal flow characteristics; constructing a water exchange model based on a tracer technology, calculating the water exchange capacity of the harbor by using the water exchange model, and analyzing the influence of river discharge in different seasons on the pollutant concentration distribution of the harbor in combination with the water exchange capacity and the tide absorption capacity of the harbor; calculating the environment capacity of the harbor by combining the pollutant concentration distribution influence with a seawater exchange rate formula; and according to the environment capacity of the harbor and the predefined pollutant substance transportation residence time, adjusting a pollutant control threshold value by using the sea-entering pollutant distribution optimization model so as to realize optimal distribution of the sea-entering pollutants. According to the method, the pollutant control threshold value is optimized based on the harbor environment capacity and the pollutant transportation residence time, scientific distribution of the pollutants entering the sea is achieved, and therefore the accuracy of pollutant management is improved.
Owner:GUANGXI ACAD OF SCI

Marine ecological regulation and control system

The invention discloses a marine ecological regulation and control system which comprises a lifting type pile leg, an ecological control cabin, a supporting truss and a hydraulic regulation and control supporting arm. The pile legs are fixed to the seabed, support the system and are adjustable in height. The supporting trusses are symmetrically distributed, are connected with the ecological control cabin and the pile legs and are provided with water inlets and water outlets; the hydraulic regulation and control support arm is connected with the lower end of the pile leg and extends to the near seabed to realize full-water-layer regulation and control. The system is provided with a power supply device and a light guide system, and the light guide system conveys natural light to an underwater irradiation probe through a light guide plate, a sunlight collector and an optical fiber to realize deepwater light supplement. The circulating water system is composed of a water pump and a pipeline and drives double-layer water to circulate. The control system integrates monitoring and intelligent regulation and control functions, and links all parts to operate. According to the invention, the whole water layer marine ecological protection and regulation effect from shallow water circulation to deep ecological restoration is improved, the illumination compensation, water exchange and energy self-sufficiency capabilities are enhanced, and the automation, intelligence and long-term operation level of the system are improved.
Owner:SOUTHERN MARINE SCIENCE & ENGINEERING GUANGDONG LABORATORY (ZHANJIANG)

Tail gas waste heat recycling device of silicon steel heat treatment furnace

The utility model provides a silicon steel heat treatment furnace tail gas waste heat recycling device, which relates to the technical field of waste heat recycling and comprises a heat exchange water tank, a filter tank is fixedly mounted on the top surface of the heat exchange water tank, one side of the filter tank is communicated with a gas inlet pipe, and the other side of the filter tank is communicated with a passing pipe. Heat storage fins are fixedly installed on the inner wall of the heat exchange water tank, inserting grooves are formed in the surface of the filter tank, and sealing strips are fixedly installed on the inner walls of the inserting grooves. The waste heat recovery device can effectively recover waste heat of tail gas of the silicon steel heat treatment furnace, reutilization of the waste heat of the tail gas is achieved by heating water sources in the heat storage fins and the heat exchange water tank, energy utilization efficiency is improved, energy consumption and cost can be reduced, meanwhile, the arranged filter screen can purify the tail gas passing through the filter tank, and the waste heat recovery device has the advantages of being energy-saving and environment-friendly. And dust particles are effectively removed, so that subsequent equipment can be protected from being damaged by the dust particles, and the service life of the equipment is prolonged.
Owner:HUZHOU BOWEI FURNACE TECH CO LTD

Wetland water replenishing regulation and control method for salt marsh grassland in arid region and related device

The invention provides an arid region salt marsh grassland wetland water supplement regulation and control method and a related device, and the method comprises the steps: determining the ecological water demand and deficiency corresponding to a target region according to the wetland vegetation evapotranspiration, precipitation and underground water-soil water exchange flux of the target region in a target time period, the target area is any area in the salt marsh grassland wetland in the arid area; determining a water quantity adaptive gap corresponding to the target area according to the earth surface water supplementing quantity and the ecological water demand deficit quantity of the target area in the target time period; and performing water supplementing regulation and control on the target area according to the water quantity adaptive gap. According to the accurate evaluation result of the water volume adaptation gap, a refined drip irrigation technology is adopted to carry out ecological water supplementation on the salt marsh grassland wetland, the requirements of plants for water in all stages of the whole life cycle are ensured, and the stability and adaptability of a wetland ecological system are improved; and multi-target collaborative development of hydrological communication, biodiversity improvement, habitat optimization and the like of the wetland ecosystem is realized.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Molten salt energy storage combined heat and power generation system and molten salt energy storage heat exchange device thereof

The invention discloses a fused salt energy storage combined heat and power generation system and a fused salt energy storage heat exchange device thereof, and relates to the technical field of high-temperature fused salt heat storage. The fused salt energy storage combined heat and power generation system comprises a low-temperature fused salt tank, a fused salt electric heater, an energy storage heat exchanger, a steam turbine water supply module, a reheater, a high-pressure cylinder, an intermediate-pressure cylinder, a low-pressure cylinder and a condenser, and a low-temperature fused salt pump is arranged between the fused salt electric heater and the low-temperature fused salt tank. The heated high-temperature fused salt enters the energy storage heat exchanger; in the heat release process, the steam turbine water supply module is used for supplying water into the energy storage heat exchanger, so that the water exchanges heat with the high-temperature fused salt, the fused salt energy storage combined heat and power generation system mainly takes a fused salt energy storage technology as a core, comprehensively utilizes valley electricity and abandoned electricity in a heat storage mode, and adopts a structure that a heat exchange and energy storage device is separated from a fused salt electric heater; the heating effect is ensured.
Owner:QINGHAI ENESOON NEW MATERIAL TECH & SCI CO LTD

Karst area surface water and underground water exchange capacity inversion method

The invention discloses a karst area surface water and underground water exchange capacity inversion method based on a temperature tracing method. The method comprises the following steps: collecting temperature time sequence data of different horizontal positions and different riverbed depths of karst area surface water / river water and riverbed profiles; the method comprises the following steps: directly utilizing observed surface water temperature data as boundary conditions of a temperature tracing model, and constructing a new two-dimensional heat transfer mathematical model for describing a temperature tracing process of a karst area to be measured; and exporting an analytical solution of the constructed mathematical model by adopting a Green function method, and coupling a particle swarm optimization algorithm, so that the limitation that a traditional temperature tracing model can only invert the vertical exchange capacity is broken, and automatic inversion of the two-dimensional surface water and underground water exchange capacity of the karst area is realized. A new technical means is provided for research on interaction of surface water and underground water in the karst area and water circulation in the karst area, and the method can be widely applied to the fields of numerical simulation of a karst underground water system, water resource evaluation, ecological environment research and the like.
Owner:XIAN RES INST OF CHINA COAL TECH & ENG GRP CORP +1