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1868 results about "Water intake" patented technology

Fire hydrant monitoring intelligent early warning system based on anomaly analysis technology

The invention relates to the technical field of monitoring and early warning, in particular to a fire hydrant monitoring intelligent early warning system based on an anomaly analysis technology, which comprises a flow velocity anomaly identification module, a node collaborative pressure difference detection module, a pressure difference trend independence judgment module, a node degradation feature extraction module and a risk level generation module. According to the method, through correlation judgment of flow velocity deviation and control signals, no-signal recognition of abnormal water taking behaviors and a cooperative analysis mechanism of pressure change of adjacent nodes, a hydraulic disturbance area under non-manual control can be accurately recognized, and through analysis of spatial independence of a pressure response trend, a water flow disturbance area under non-manual control can be accurately recognized. The function degradation level of the device is extracted according to historical data of on-off time delay and response performance, the quantitative evaluation capability of the node function state is enhanced, the capability of finely dividing the risk level is achieved when risk early warning is given out, the risk identification accuracy is improved, and the active discovery capability of early fault hidden dangers is enhanced.
Owner:SHAANXI TOPSAIL ELECTRIC TECH CO LTD

Submarine water intake structure hidden danger detection method based on acousto-optic joint detection

The invention relates to the field of submarine structure detection, in particular to a submarine water intake structure hidden danger detection method based on acousto-optic joint detection. According to the method, through a multi-source data acquisition and intelligent fusion technology, including centimeter-level high-resolution sonar sounding, water body layer structure acoustic imaging, ROV optical camera shooting observation and laser calibration, scouring, crack and blockage information of the seabed grating is comprehensively obtained, and the seabed grating is comprehensively identified by adopting adaptive enhancement, threshold segmentation and spatial interpolation algorithms. The problems that a traditional sonar imaging blind area exists, the target boundary is fuzzy and the biological adhesion thickness is difficult to quantify are solved, and high-precision and multi-dimensional detection of seabed structure damage, blockage and scour forms is achieved. According to the overall scheme, the detection integrity and accuracy are improved, the submarine environment safety monitoring capacity is enhanced, and reliable technical support is provided for operation and maintenance of submarine facilities.
Owner:HAINAN RES INST OF ZHEJIANG UNIV

Seawater cooling control system and method

The invention provides a seawater cooling control system and method which are applied to the technical field of ocean engineering, and the seawater cooling control system comprises a cooling water well, a first temperature sensor, a water level gauge, a water suction pump, a water delivery pump, a monitoring buoy, a second temperature sensor, a flow meter and a controller. The first temperature sensor and the second temperature sensor monitor the temperature in the well and the coral reef area and the water flow speed of the flow velocity metering area respectively, the water level gauge ensures that the water volume in the well is stable, and data are analyzed in real time through the controller to generate a control instruction. The difference value between the environment temperature and the whitening threshold value, the cooling water temperature in the well and the coral reef flow speed serve as input variables, the flow requirement of the water delivery pump is dynamically calculated through a preset rule base, and self-adaptive adjustment is achieved. Through cooperative feedback of the double temperature sensors, it is ensured that the water delivery temperature is strictly controlled within a coral tolerance threshold value, and heat stress whitening is avoided. Layered water taking is combined with a fuzzy control algorithm, energy consumption is reduced compared with a traditional deepwater extraction scheme, and negative effects of shading measures on zooxanthellae are avoided.
Owner:HAINAN RES INST OF ZHEJIANG UNIV

Automatic pool cleaning device

Automatic pool cleaning device (100, 600, 1300) comprising a housing (110, 610, 1310) and a filter component (120, 620, 1320), wherein a water inlet (111, 611, 1311) and a first water outlet (112, 612, 1312) are provided on the housing (110, 610, 1310), characterized in that the interior of the housing (110, 610, 1310) comprises a first chamber (130, 630, 1330) and at least one second chamber (140, 150, 640, 650, 1340, 1350) which is separated from the first chamber (130, 630, 1330), and that the water inlet (111, 611, 1311), the first chamber (130, 630, 1330) and the first water outlet (112, 612, 1312) are in communication and form a water flow channel (1314), and the filter component (120, 620, 1320) is arranged in the water flow channel (1314).
Owner:AIPER GLOBAL PTE LTD

Foreign matter blocking device for water intake pump opening of water conservancy irrigation facility

The utility model discloses a foreign matter blocking device for a water intake pump opening of a water conservancy irrigation facility, and relates to the technical field of water conservancy irrigation equipment, the foreign matter blocking device comprises a support assembly composed of a top ring plate, a plurality of outer protection rods and a bottom plate, the outer protection rods are annularly distributed, and the top ring plate and the bottom plate are symmetrically fixed at the upper ends and the lower ends of the outer protection rods; a filtering and blocking assembly is arranged between the top ring plate and the outer protection rod. Large foreign matters and small impurities in water can be intercepted by arranging the support assembly and the filtering and blocking assembly, and meanwhile, water flow flowing out of the top end of the spiral guide pipe through the through hole and the spiral guide pipe can impact the blades, so that the blades deflect and drive the rotating shaft and the filtering cylinder to rotate; when the filter cartridge rotates, relative friction is generated between the filter cartridge and the brush, and the brush can clean the surface of the filter cartridge, so that impurities adhered to the filter cartridge fall off, and the condition that the surface of the filter cartridge is blocked due to excessive impurities adhered to the surface of the filter cartridge is avoided.
Owner:SHANDONG YUANTONG PUMP VALVE EQUIP CO LTD

Endoscope water-gas switching valve and endoscope operating handle

The utility model discloses an endoscope water-gas switching valve and an endoscope operating handle, wherein the endoscope water-gas switching valve comprises a cylinder, a piston and a switching mechanism; the cylinder is provided with an air inlet nozzle, an air outlet nozzle, a water inlet nozzle and a water outlet nozzle; the air inlet nozzle, the air outlet nozzle and the water inlet nozzle are located on one side of the cylinder and extend obliquely downward, and the water outlet nozzle is arranged on the other side of the cylinder and extends horizontally; a plurality of sealing rings are arranged on the piston, and the plurality of sealing rings separate the inner cavity of the cylinder and the space between the piston into a plurality of independent annular cavities constituting a part of the corresponding fluid channel; the switching mechanism drives the piston to move, so as to realize the connection between the air inlet nozzle and the air outlet nozzle or the connection between the water inlet nozzle and the water outlet nozzle. The air inlet nozzle, the air outlet nozzle and the water inlet nozzle in the endoscope water-gas switching valve of the utility model are all located on the same side of the cylinder, which is conducive to the layout of the water-gas pipeline in the endoscope operating handle, making the water-gas pipeline in the endoscope operating handle more concise.
Owner:AOLIZHI ENDOSCOPY (GUANGZHOU) TECH CO LTD

Organic chemical wastewater purification treatment device

The present invention discloses an organic chemical industry wastewater purification treatment apparatus, and relates to the field of chemical industry wastewater treatment, the organic chemical industry wastewater purification treatment apparatus comprises a treatment tank, the treatment tank is communicated with a water inlet pipe and a water discharge pipe, and the organic chemical industry wastewater purification treatment apparatus further comprises: a stirring mechanism used for stirring organic chemical industry wastewater in the treatment tank, the stirring mechanism comprises a stirring shaft, stirring blades and a rotation driving member A, the stirring blades fixedly sleeve the bottom end of the stirring shaft; according to the organic chemical wastewater purification treatment device, the distance between the bottom plate and the top plate is adjusted through the driving mechanism B, so that the distance between the bottom plate and the top plate is smaller than the length of the mesh bag, when the filling container rotates around the central axis of the treatment tank, a catalyst pushes the mesh bag under the action of centrifugal force, the mesh bag is deformed, and at the moment, the catalyst in the mesh bag can roll; therefore, the catalyst located on the inner side of the center of the mesh bag can move towards the periphery, the contact between the catalyst and the wastewater is more sufficient, and the wastewater treatment efficiency is improved.
Owner:SHANDONG JIN YI SHAN NEW MATERIAL CO LTD

Water purifier

The invention relates to a water purifier. The water purifier comprises a water-steam separator and a heater communicated with the water-steam separator; the water-vapor separator comprises a first-stage water-vapor separation body and a second-stage water-vapor separation body; the first-stage water-vapor separation body and the second-stage water-vapor separation body are respectively provided with a first-stage water-vapor separation cavity and a second-stage water-vapor separation cavity which are communicated with each other; the first-stage water-vapor separation body is provided with a water-vapor separation water inlet and a first air outlet which are communicated to the first-stage water-vapor separation cavity, the second-stage water-vapor separation body is provided with a water-vapor separation water outlet communicated to the second-stage water-vapor separation cavity, and the water-vapor separation water inlet is used for being communicated with a hot water supply source; the bottom wall of the second-stage water-vapor separation cavity is provided with a retention groove which is arranged at an interval with the water-vapor separation gas outlet, a third flow guide pipe is further arranged at a communication port, communicated with the first-stage water-vapor separation cavity, of the top wall of the second-stage water-vapor separation cavity, and the bottom end part of the third flow guide pipe extends into the retention groove. According to the water purifier, the water leakage condition of the water intake of the water purifier at the moment of water break can be avoided.
Owner:JIANGSU KINGCLEAN INTELLIGENT APPLIANCE CO LTD +2

Dual-channel switching system for wastewater treatment plant, and operation method

A dual-channel switching system for a wastewater treatment plant, and an operation method. The double-channel switching system comprises a water intake box culvert in communication with both a dry-season treatment system and a rainy-season treatment system, wherein the dry-season treatment system comprises a coarse-fine combined screen connected to a grit chamber, a membrane screen device, an AAO combined tank, an MER reaction tank and a first ultraviolet disinfection channel in sequence; the rainy-season treatment system comprises a self-cleaning screen connected to a flow control valve, a combined storage tank, a magnetic precipitation system, a fiber rotary disc filter and a second ultraviolet disinfection channel in sequence; the water intake box culvert is provided with a liquid level sensor, a sludge concentration sensor, and a flow rate sensor; a switching valve is provided at the front end of the self-cleaning screen; and the liquid level sensor, the sludge concentration sensor and the flow rate sensor are connected to a control unit In the present invention, a wastewater treatment path can be automatically adjusted on the basis of changes in seasons and water volumes, thereby effectively meeting wastewater treatment requirements in a dry season and a rainy season.
Owner:CHONGQING THREE GORGES ECO-ENVIRONMENTAL TECH INNOVATION CENT CO LTD +1

Wastewater treatment device and method for wood production

The present invention relates to the technical field of wastewater treatment, and in particular to a wastewater treatment device and method for wood production. The wastewater treatment device comprises a filter tank comprising a first tank and a second tank, wherein the first tank is configured to intercept and treat large pieces of wood, and the second tank is configured to filter out floating wood chips and impurities; a first water intake pipe is provided at an end of the first tank, and side plates are respectively fixed on two inner side wall of the first tank; an intercepting frame is fixed between the two side plates; an electric slide rail is embedded in the inner side of each of the side plates, a slider is slidably connected in the electric slide rail, and a shaft rod is rotatably connected in the slider; and a bucket is fixed between the two shaft rods, and a collecting box is fixed at the top of the side of the intercepting frame away from the bucket. In the present invention, large pieces of wood in wastewater are intercepted by the intercepting frame, the electric slide rails drive the sliders and the bucket to move upwards, the bucket lifts the large pieces of wood intercepted on the intercepting frame, and the bucket is then driven by a turning assembly to rotate, thus dumping the large pieces of wood into the collecting box, and thereby achieving non-stop cleaning.
Owner:GALLOWAY GROUP

System and method for supplying cascade energy using waste heat from power plant during production

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

Photovoltaic photo-thermal energy storage heat pump system and method

The invention discloses a photovoltaic photo-thermal energy storage heat pump system and method.The system comprises a photovoltaic photo-thermal assembly, the electric quantity output end of the photovoltaic photo-thermal assembly is connected with an energy storage assembly, an air source heat pump machine and a demand module, and the demand module is connected with a power grid; the air outlet end of the photovoltaic photo-thermal assembly is connected with the first air inlet end of the air source heat pump machine, and the second air inlet end of the air source heat pump machine is used for introducing demand module waste gas; the water outlet end of the photovoltaic photo-thermal assembly is connected with the first water inlet end of the energy storage water tank, and the first water outlet end of the energy storage water tank is connected with the water inlet end of the photovoltaic photo-thermal assembly; the water outlet end of the air source heat pump machine is connected with the second water inlet end of the energy storage water tank, and the second water outlet end of the energy storage water tank is connected with the water inlet end of the air source heat pump machine. The air conditioner has the advantages that the ultralow-temperature refrigerating capacity is improved, electricity is saved, carbon emission is low, universality is high, the structure is simple, and efficiency is high.
Owner:GUANGZHOU INST OF ENERGY CONVERSION CHINESE ACAD OF SCI

Large pump station system

The invention relates to the technical field of water conservancy projects, in particular to a large pump station system which comprises a gate area, a sedimentation tank, a filter station, a transition area and a pump station runner area which are sequentially arranged in the water flow direction, an anti-floating bottom plate extends outwards from the edge of a wall of the large pump station system, and the gate area is provided with at least two main gates and at least one auxiliary gate; a plurality of first energy dissipation piers are arranged in the sedimentation tank; coarse screens and fine screens are arranged between the adjacent filter station guide walls in the filter station and between the filter station guide walls and the outer wall of the filter station; the transition area is in a horn mouth shape in the water inflow direction, and a plurality of second energy dissipation piers are arranged in the transition area. Water suction heads of water taking pumps are arranged between the adjacent water distribution walls in the pump station flow channel area and between the water distribution walls and the outer wall of the pump station flow channel area. According to the large pump station system, the anti-floating stability is improved through the anti-floating bottom plate, the water flow energy is gradually reduced through the partition design, and the problem that the pump station system is prone to being unstable due to the fact that a large amount of seawater flows into the pump station is effectively solved.
Owner:CCCC FOURTH HARBOR ENG CO LTD +2

Washing machine and control method thereof

The invention discloses a washing machine which comprises a control module for setting the total water inlet amount, the water inlet frequency and the water inlet amount of each stage of a single rinsing program; the water inlet unit intermittently feeds water into the washing barrel according to the set water inlet frequency and the set water inlet amount of each stage; the rotating unit controls the washing bucket to rotate and brake; the control module is used for controlling the rotating unit to enable the washing barrel to rotate in an accelerated manner while water is fed in each stage, executing the action of braking the washing barrel to enable the clothes to fall when the clothes rotate to the top area of the washing barrel along with the washing barrel, and controlling the rotating unit to execute the rinsing action when water feeding in each stage is finished. The invention further discloses a control method of the washing machine. According to the washing machine and the control method thereof, the rinsing rate of clothes can be increased.
Owner:QINGDAO HAIER WASHING MASCH CO LTD +1

Intelligent drinking water equipment remote management method, system and equipment based on Internet of Things

The invention relates to the technical field of data processing, and discloses an intelligent drinking water equipment remote management method, system and equipment based on the Internet of Things. The method comprises the steps that various sensors are installed on each drinking water device, related data are collected through the sensors, and the sensors send the collected related data to a remote server through a wireless network; after the remote server receives the related data, the related data are stored in a database, the equipment state of the drinking equipment is obtained and analyzed based on the related data, a control instruction is generated based on the related data and preset control logic, the control instruction is sent to the drinking equipment through a wireless network, and the drinking equipment adjusts the drinking equipment based on the control instruction; dynamically adjusting the set temperature and the use mode of the drinking equipment based on the water taking frequency and the historical data of the drinking equipment; filter element replacement reminding information is generated in time, and the reminding information is sent to the management terminal. The running reliability of the drinking water equipment can be improved.
Owner:HANGZHOU PENGUIN TECH CO LTD

Novel diversion trash rack for water intake of hydropower station

The utility model discloses a novel diversion trash rack for a water intake of a hydropower station, relates to the field of water conservancy and hydropower engineering, and aims to reduce hydraulic loss after water flows through the water intake of the hydropower station and is preliminarily filtered. According to the technical scheme, the novel hydropower station water intake flow guide trash rack comprises an annular frame body and a plurality of flow guide plates fixedly installed on the frame body, the plate faces of the flow guide plates are parallel to one another and are perpendicular to the corresponding plane of the frame body, the flow guide plates are in a streamline shape, the outer contours of the flow guide plates on the first section are isosceles trapezoids, and the outer contours of the flow guide plates on the second section are isosceles trapezoids. The first section is parallel to the plate surface of the flow guide plate and passes through the center of the flow guide plate, the sides, corresponding to the upper bottom, of the two waists of the isosceles trapezoid are upstream faces, the side, corresponding to the lower bottom, of the isosceles trapezoid is a downstream face, diagonal planes are arranged between the upstream faces and the two plate surfaces, and chamfers are arranged on the plate surface of the flow guide plate and corner angles between the upstream faces and the diagonal planes respectively. The device is used for being arranged at the water intake of the hydropower station to guide and filter water flow.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE

Mineralization system and mineralization equipment

The utility model relates to a mineralization system and mineralization equipment. The mineralization system comprises a driving module, an extraction module, a heating module and a water storage module, one end of the driving module is connected with a preset water inlet pipeline, the other end of the driving module is connected with a water inlet of the extraction module through the heating module, and a water outlet of the extraction module is connected with the water storage module through the driving module; when the mineral water is extracted, the preset water body is heated, hot extraction is achieved, the mineral water with the preset concentration can be stably produced, the mineral water is stored in the water storage module, the mineral water with the target concentration is provided according to the target water taking instruction, and the water taking requirements of users for mineral water with different concentrations can be flexibly met.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Adjustment system of water supply thermal storage type thermoelectric generating set, and design method and operation method therefor

Provided in the present invention are an adjustment system of a water supply thermal storage type thermoelectric generating set, and a design method and operation method therefor. The adjustment system comprises a high-pressure regenerative system, which is provided with a water supply outlet and a water drain outlet, wherein the water supply outlet is connected to a boiler by means of a water supply pipe; and a working medium heat storage system, which is connected to the water supply outlet or the water drain outlet by means of a water intake pipe, and is connected to the water supply pipe by means of a water output pipe. High-temperature supplied water or high-temperature drained water outputted from the high-pressure regenerative system is subjected to heat storage by means of the working medium heat storage system, and the working medium heat storage system can be decoupled or adjustably coupled between the high-pressure regenerative system and the boiler. When a load needs to be rapidly adjusted, the high-pressure regenerative system is decoupled from the boiler, the working medium heat storage system is used to supply water to the boiler so as to increase the feedwater flow and thermal load, and the feedwater flow of the working medium heat storage system is adjusted in combination with the maximum load lifting rate and the maximum load rate adjusting range of the thermoelectric generating set.
Owner:JINAN UNIVERSITY

Buoy for real-time monitoring of water environment

The utility model discloses a buoy for real-time monitoring of water environment, which comprises a buoy main body, a water quality sensor arranged at the bottom of the buoy main body, an environment monitoring component arranged at the top of the buoy main body, and a height adjusting mechanism arranged between the buoy main body and the environment monitoring component and used for controlling the height of the environment monitoring component. A plurality of sets of balance weight rods are further arranged at the bottom of the buoy body, a plurality of sets of balance weight rings are evenly distributed on the balance weight rods, a plurality of sets of connecting grooves are formed in the balance weight rings, and balance weight assemblies are arranged among the multiple sets of connecting grooves. The height of the environment monitoring assembly and the draft of the buoy body are preset in advance, and stable use of the buoy in special weather is guaranteed.
Owner:JIANGSU ANXIN TESTING CO LTD

Multifunctional intelligent drinking water management system

The invention provides a multifunctional intelligent water drinking management system, and relates to the technical field of intelligent water cup management, and the system comprises a target water drinking amount determination module which is used for receiving the inputted user identity information, schedule information and reference water drinking amount, and determining the target water drinking amount based on the user schedule information and the reference water drinking amount; dynamically adjusting and determining the target water intake of each water drinking period every day; the monitoring reminding module is used for carrying out timing reminding, displaying any one or more reminding in visual reminding or remote manual reminding based on the drinking water data; and the water drinking excitation module is used for helping the user to develop a good water drinking habit based on the game excitation sub-module I or the game excitation sub-module II. The system can dynamically adjust and determine the target water drinking amount of each water drinking period every day, helps a user to formulate the water drinking amount matched with the needs of the user in real time, adopts diversified reminding modes to ensure that the user can drink water according to the amount on time, and meanwhile, an incentive mechanism increases the interestingness of the system and is helpful to develop a good water drinking habit.
Owner:CAPITAL UNIVERSITY OF MEDICAL SCIENCES

Mixing system for room heating and / or domestic water production and related management method

The object of the invention is a mixing system (1) comprising at least a boiler (2) and a heat pump (3) through which technical fluids for room heating and / or for domestic water production circulate, and an associated method for managing and controlling the switching cycle (ON / OFF) of said heat pump (3) during domestic hot water (DHW) intake. The method comprises at least the following steps: during said domestic hot water (DHW) water intake, ensuring flow to the heat pump (3) at a flow rate mchHP at least adapted to avoid closing thereof, and ensuring a complete achievement of this DHW water intake.
Owner:ARISTON SPA

Regional water balance health evaluation method and device based on binary water circulation

The invention discloses a regional water balance health evaluation method and device based on binary water circulation. The method comprises the following steps: acquiring a natural water circulation key element data set, a social water intake key flux data set and a key evaluation index data set of each subsystem in a historical period in a target area; then carrying out pretreatment; constructing a natural water circulation health evaluation model, and inputting natural water circulation key elements to obtain a first evaluation value; constructing a social water circulation health evaluation model, and inputting social water circulation key elements to obtain a second evaluation value; constructing a cooperation system coordination degree evaluation model, and inputting key evaluation indexes of a social economic system, an ecological environment system and a water resource system to obtain a third evaluation value; and constructing a comprehensive water balance health evaluation model, inputting the obtained first evaluation value, the second evaluation value and the third evaluation value into the comprehensive water balance health evaluation model to obtain a comprehensive evaluation value, and performing evaluation analysis on the regional comprehensive water balance health state through the comprehensive evaluation value.
Owner:GUANGDONG UNIV OF TECH

A wave energy and solar energy combined power generation device and its power station

This invention discloses a wave energy and solar energy combined power generation device and its power station, belonging to the field of new energy technology for power generation using renewable energy. It includes floating boxes and photovoltaic panels. Adjacent floating boxes are hinged laterally to the same horizontal axis. The photovoltaic panels are arranged on the surface of the floating boxes at an angle facing south or horizontally. A connecting rod perpendicular to the horizontal axis is hinged to the horizontal axis. A hydro-generator and a passive piston pump for driving the hydro-generator are installed inside the floating box. The piston rod of the passive piston pump is hinged to the connecting rod at a position away from the horizontal axis. When adjacent floating boxes swing up and down around the horizontal axis, the passive piston pump completes the water intake and drainage actions, and drives the hydro-generator during drainage. This invention as a whole can realize the combined power generation of wave energy and solar energy. During the swinging of the floating boxes, the orientation of the photovoltaic panels can remain approximately unchanged, thus ensuring the utilization efficiency of the photovoltaic panels while fully utilizing wave energy.
Owner:HARBIN INST OF TECH AT WEIHAI

Sewage treatment sedimentation tank and sewage treatment system

The invention relates to the technical field of sedimentation tanks, in particular to a sewage treatment sedimentation tank which comprises a tank body, a water inlet base body and a cleaning body, the water inlet base body is fixedly mounted in the center of the tank body, a water inlet flow channel is formed in the water inlet base body, and the cleaning body is rotationally mounted below the water inlet base body; the water inlet flow channel comprises a water inlet energy dissipation section, a horizontal flow section and an impurity intercepting section which are sequentially communicated in the water inlet direction, the water inlet energy dissipation section is of a vertically-arranged wave structure, the cross section of the impurity intercepting section is in a funnel shape, a reagent cavity communicated with the water inlet flow channel is formed in the side wall of the water inlet flow channel, and a movable wall is vertically and slidably installed on the side, close to the water inlet flow channel, of the reagent cavity; a cleaning body is rotationally mounted below the water inlet base body, the cleaning body extrudes the movable arm to vertically move during rotation so as to intermittently communicate with the water inlet flow channel and the reagent cavity for intermittent medicine injection, and the cleaning body relatively moves to extrude and puncture sludge while extruding the movable arm; the problem that the water quality is influenced by suspended matter increase caused by floating of gas filled in the sludge in the sedimentation tank is solved.
Owner:ZHONGLING ADVANCED (NANJING) ENVIRONMENTAL TECH RES INST CO LTD

Extraction type riverway water taking device

The utility model discloses an extraction type riverway water taking device which is characterized in that the extraction type riverway water taking device comprises an impeller and a piston device, the impeller is arranged in the riverway water flow direction, the lower portion of the impeller is immersed under the riverway water surface, and the impeller is in transmission connection with a piston of the piston device and drives the piston device to move in a reciprocating mode. The water inlet end of the piston device is connected below the water surface of the river channel through a water inlet pipe, the water outlet end of the piston device is connected to the sand basin located above through a water outlet pipe, and an overflow water outlet is formed in one side of the sand basin. The water taking device can directly utilize a river water source and water power to take water, is more energy-saving and environment-friendly, and has the advantages of good stability, flexible and adjustable water taking height and the like.
Owner:NANCHANG UNIV

Emergency prediction device for sudden water environment pollution diffusion

The utility model belongs to the technical field of water environment monitoring, and particularly relates to a sudden water environment pollution diffusion emergency prediction device which comprises a vertical rod, the vertical rod comprises a fixed support, a connecting cylinder is fixedly connected above the fixed support, and a supporting rod is arranged above the connecting cylinder; the device further comprises an early warning device, the early warning device comprises a water taking assembly arranged on the supporting rod, a connecting frame is arranged on the water taking assembly, a detection assembly is arranged on the connecting frame, the detection assembly comprises a detection box fixedly arranged on the connecting frame and a controller arranged on the outer side of the water taking assembly, and a detection opening and a discharging opening are formed in the detection box. According to the utility model, the early warning device can be arranged in a plurality of areas in a water environment through the vertical rod, and actual data of sections of different areas and river flow velocity data can be monitored, so that the change of the concentration of water environment pollutants along with time can be predicted; meanwhile, information such as a section time-concentration trend chart, a data table, a pollutant concentration peak value and time, the time when a pollution group arrives at and is away from the section, pollution duration and the like is provided.
Owner:NANJING YUHOUDI SOFT ENVIRONMENT TECH CO LTD

Data-based daily water consumption calculation and analysis method and system

The invention is suitable for the technical field of water resource application, and provides a data-based daily water consumption calculation and analysis method and system, and the method comprises the steps: obtaining the historical water supply data of a city, and obtaining the existing data of the city, and the existing data comprise the population number and a water supply system; predicting population growth according to existing data, obtaining a prediction result, judging whether the water supply system is optimized or not according to the prediction result, obtaining an optimization method, and selecting a specific optimization method according to the prediction result; acquiring historical weather information, predicting weather change data according to the weather information, predicting hydrological variables according to the weather change data, and optimizing a water supply scheduling mode according to the hydrological variables; according to the method, the water plant data is obtained, the water plant data comprises the water supply capacity and the water supply safety margin, the water supply capacity comprises the water taking capacity, the processing capacity and the water conveying capacity, operation management of the water supply plant is optimized according to the water supply capacity, and the problems that an existing city is unclear in overall planning of water distribution and water utilization and has no effective basis are solved.
Owner:SHANDONG SHUNSHUI INFORMATION TECH CO LTD

Environmental water quality sampling device

The utility model provides an environmental water quality sampling device, which belongs to the technical field of environmental detection and is provided with a top plate, a driving disc and a driven disc are rotatably connected onto the top plate, and a mounting disc positioned below the driven disc is fixedly mounted in the middle of the driven disc through a connecting rod; a plurality of mounting grooves are formed in the mounting disc at equal intervals along the circumference of the mounting disc, a plurality of strip-shaped grooves corresponding to the mounting grooves are formed in the driven disc, and a driving column is fixedly mounted on the driving disc and is in sliding connection with the strip-shaped grooves; sampling devices are mounted on the mounting grooves, water taking cavities are formed in the sampling devices, water inlet pipelines are fixedly mounted at the upper ends of the outer walls of the sampling devices, water outlet pipelines are fixedly mounted at the lower ends of the outer walls of the sampling devices, and the water inlet pipelines and the water outlet pipelines are communicated with the water taking cavities. The utility model solves the technical problems that the detection sample obtained at the same position is single, and if the sampled water is polluted by mistake after sampling, the detection result is inaccurate.
Owner:QINGDAO ZHONGYU ENVIRONMENTAL TESTING CO LTD

A groundwater level monitoring system and method

The present invention discloses a groundwater level monitoring system and method, the system comprising: a collection terminal for acquiring groundwater level data, surface water level data, surface water flow data, water consumption data, the number of water wells, the water well pipeline pressure and environmental data; a data processing system for predicting the groundwater level in the next time period according to the groundwater level data, surface water level data, surface water flow data, water consumption data, the number of water wells, the water well pipeline pressure and environmental data, and obtaining the groundwater level prediction value; obtaining the groundwater level change trend according to the groundwater level data and the groundwater level prediction value; and a visualization platform for displaying the groundwater level change trend. Accurate prediction of the groundwater level is achieved.
Owner:山东华特智慧技术有限公司

Deep learning-based water temperature ecological scheduling effect qualitative and quantitative evaluation method

The invention discloses a water temperature ecological scheduling effect qualitative and quantitative evaluation method based on deep learning, and the method comprises the steps: calculating an equivalent water taking elevation through employing a segmented cubic Hermite interpolation method based on vertical temperature distribution data, and representing the water taking elevation positions in different scheduling modes; based on a random forest model, a mapping relation between the hydrodynamic parameters and the water taking elevation is trained, and the model is optimized based on MSE, NSE and MAE indexes; a Shapley value method is adopted to analyze key variables influencing the water taking elevation, and the contribution degree of each hydrodynamic force factor to ecological scheduling response is quantified; when other conditions in the ecological scheduling period are not changed, the stoplog gate state is set to be 0, and the variable quantity of the water taking elevation without ecological scheduling is calculated; according to a water taking elevation result without ecological scheduling, a predicted value of the tail water temperature under the anti-fact framework is obtained, and the improvement effect of ecological scheduling is quantitatively evaluated in combination with an uncertainty analysis method.
Owner:HOHAI UNIV +1