Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

264 results about "Water regulation" patented technology

Regulation of Body Water. Water is very important in the body. It is crucial that the amount of water in the body is regulated so that the amount of water input is equal to the amount of output. The latter is referred to as a state of water balance. Sources of water input are through drinking, food and metabolism.

Drainage basin water regulation and control optimization method based on ecological element change

The invention relates to the technical field of drainage basin water scheduling, and discloses a drainage basin water regulation and control optimization method based on ecological element changes. The method comprises the following steps: deploying a drainage basin monitoring system, and collecting ecological element real-time data such as a hydrological parameter sequence and a remote sensing image; after the data is cleaned and converted, hydrological trend features and spatial distribution features are extracted by adopting a feature learning model, and the hydrological trend features and the spatial distribution features are fused into unified ecological representation through a cross-modal alignment mechanism; inputting the unified ecological representation into a physically constrained neural network prediction model, and outputting a water regimen dynamic prediction value; and finally, based on the predicted value, a water resource regulation and control instruction is generated and executed by using a multi-objective decision algorithm so as to optimize the watershed water circulation process. According to the method, feature extraction comprehensiveness is improved through multi-source data fusion and cross-modal analysis, prediction reliability is enhanced in combination with physical constraints, reasonable allocation of water resources is achieved by means of multi-target decision, the ecological condition of a drainage basin can be improved, and the water utilization efficiency is improved.
Owner:SICHUAN WATER CONSERVANCY VOCATIONAL & TECH COLLEGE +1

Secondary network heat supply temperature control method and device based on negative pressure water mixing technology

The invention discloses a secondary network heat supply temperature control method and device based on a negative pressure water mixing technology, and relates to the technical field of secondary network heat supply control. The secondary network heat supply temperature control method and device based on the negative pressure water mixing technology comprises the steps that S1, operation data, structure steady state data and thermal environment data in a current heat supply task are collected, and a standardized heat supply working condition data set is constructed after preprocessing; s2, local hydraulic fluctuation characteristics are evaluated, and the water mixing proportion, the water supplementing flow and bypass path configuration are dynamically adjusted; s3, jointly analyzing the temperature difference of supply water and return water, the heat deviation and the valve state, and driving water mixing adjustment and path optimization; s4, evaluating adjustment intensity and heat response deviation, and realizing abnormal disturbance response and adjustment strategy correction; and S5, recording negative pressure, uneven heat and cold and response data for subsequent diagnosis and steady state identification. The problems that a traditional water mixing control means is difficult to effectively inhibit pressure fluctuation of the water return end, local negative pressure is easily formed, and local energy waste and uneven heat distribution are caused are solved.
Owner:TIANJIN THERMAL POWER DESIGNING INST

Indoor water tank sediment displacement characteristic acquisition system and method

The invention discloses an indoor water tank sediment pushing characteristic acquisition system and method, the system mainly comprises a water tank main body, a buffer unit, a drainage adjusting unit, a sediment throwing device, an imaging unit, an adjustable support and a data processing unit, and according to the method, non-contact data acquisition is carried out through a high-definition camera and a three-dimensional terrain measuring instrument; automatic identification, parameter extraction and migration speed calculation of landforms such as sand waves are achieved, the sediment bed surface is not touched in the whole process, damage to the bed surface form caused by traditional contact type measurement is eliminated, and the authenticity and reliability of data are ensured. Meanwhile, the buffer design of the combination of the flow slowing plate and the multi-stage water baffle is adopted, the kinetic energy of water flow is effectively dissipated through the graded water outlet structure, the impact force of injected water flow is greatly reduced, the bed surface is prevented from being scoured in the initial water injection stage, and the stability of the initial test condition is powerfully protected.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Saline-alkali soil underground water regulation and control method and device, electronic equipment and storage medium

The invention provides a saline-alkali soil underground water regulation and control method and device, electronic equipment and a storage medium, and relates to the technical field of land governance. Inputting the first historical monitoring information into a pre-constructed prediction model to obtain a predicted value of soil salinity in a future time period; the predicted value of the soil salinity is input into the analysis model, and the target water level of underground water in the future time period is obtained; wherein the target water level of the underground water is used for restraining the target value of the soil salinity to be smaller than a preset salinity threshold value and the target value of the soil humidity to be larger than a preset humidity threshold value; generating a water level adjusting strategy based on the target water level of the underground water, and controlling the opening or closing of the water pump based on the water level adjusting strategy. According to the method, the soil salinity in the future time period is predicted by acquiring the saline-alkali soil monitoring information, so that the target water level of the underground water is obtained, the water level regulation strategy is generated, and the perspectiveness, dynamic nature and stability of underground water level regulation are ensured.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED

An indoor flume sediment start-up velocity measurement system and method

The application discloses an indoor water tank sediment starting speed measurement system and method, and aims at solving the technical problem of sensor disturbance to a flow field and influence on data accuracy in the prior art measurement method.The technical scheme core is that the non-contact measurement characteristics of the PIV technology are applied to the whole process from flow field construction to data acquisition.The device is mainly composed of an imaging unit, a laser illumination unit, a movable sliding frame, a water flow adjusting unit and a buffer plate.Optical measurement is performed through the imaging unit and the laser illumination unit, and physical sensors do not need to be arranged in the flow field, so that the interference of the measuring instrument on the water flow structure and the sediment starting process is fundamentally avoided.The integrated movable sliding frame integrates the sediment laying, particle throwing and measurement functions, and is convenient for quickly positioning a test area;in combination with the buffer plate and the water inlet and drainage adjusting unit, a gradually changing flow field from weak to strong can be accurately and stably simulated.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Multifunctional detachable double-ring water seepage test device with full-automatic water injection function

The invention provides a full-automatic water injection multifunctional detachable double-ring water seepage test device, comprising: a double-ring cylinder comprising an outer ring cylinder and an inner ring cylinder located in the outer ring cylinder, the bottom of the double-ring cylinder being provided with a pressure relief layer; the water injection adjusting structure comprises an inner ring water injection adjusting chamber located on the inner wall of the inner ring cylinder above the pressure buffering layer and an outer ring water injection adjusting chamber located on the outer wall of the inner ring cylinder, and the bottoms and the peripheries of the inner ring water injection adjusting chamber and the outer ring water injection adjusting chamber are of first net-shaped structures, and the upper portions of the inner ring water injection adjusting chamber and the outer ring water injection adjusting chamber are of sealed structures; a first water level adjusting structure is arranged in the inner ring water injection adjusting chamber, and a second water level adjusting structure is arranged in the outer ring water injection adjusting chamber. Through the arrangement of the inner ring water injection adjusting chamber and the outer ring water injection adjusting chamber, full-automatic water injection is realized, the permeability coefficients of different areas can be efficiently and accurately measured, and errors caused by manual water injection are greatly reduced, so that the test accuracy is improved.
Owner:INST OF KARST GEOLOGY CAGS +1

Irrigation saline-alkali soil improvement method based on straw adsorption and water conservancy regulation and control

The invention relates to the technical field of irrigation saline-alkali soil improvement, in particular to an irrigation saline-alkali soil improvement method based on straw adsorption and water conservancy regulation, which comprises the following steps: acquiring multi-depth soil parameters and surface meteorological data of an irrigation area, and establishing a soil water-salt dynamic migration coupling model; calculating a vertical moisture flux and a plowing layer net salt flux by using the model; calculating an accumulated salt return risk index to obtain a salt return risk grade; building a straw decomposition index by using multi-depth soil parameters; on the basis of the straw decomposition index, updating the soil water and salt dynamic migration coupling model; in response to the fact that the salt return risk level is a high risk, constructing an optimization objective function; resolving and optimizing the objective function to obtain an optimal irrigation strategy; outputting an optimal irrigation strategy to an irrigation control system, and feeding back the optimal irrigation strategy to the model as an irrigation rate; according to the invention, threats can be identified before a high-risk salt return event occurs, the timeliness and initiative of regulation and control are improved, and the balance between treatment benefits and economic cost is realized.
Owner:GANSU NATURAL RESOURCES PLANNING RES INST

Automatic control system for condensed water regulating valve of nuclear power plant

The invention relates to the technical field of nuclear power plant automatic control and fluid regulation, in particular to a nuclear power plant condensation water regulating valve automatic control system which comprises a sensor data acquisition and synchronization module which acquires and synchronizes parameters in a nuclear power plant condensation water system; the reinforcement learning control module reads parameters of the sensor data acquisition and synchronization module, and generates a regulating valve control strategy by using a reinforcement learning algorithm; the real-time prediction and control decision module controls and predicts the opening degree of the condensed water regulating valve according to the regulating strategy of the reinforcement learning control module; and the anomaly detection and safety protection module reads the parameters acquired by the data acquisition and synchronization module, monitors the parameters and gives an alarm according to an anomaly monitoring result. According to the system, valve oscillation and unreasonable adjustment in a traditional method can be avoided while a valve adjustment strategy is learned and optimized in real time, and the precision and stability of condensed water flow adjustment are improved.
Owner:JIANGSU NUCLEAR POWER CORP

Treatment method of strong complexing copper wastewater

The invention discloses a treatment method of strong complexing copper wastewater, which comprises the following steps: adjusting the pH value of the strong complexing copper wastewater, adding a complexing breaking agent, stirring and reacting until the color of the solution becomes brownish black, then adding ferric chloride for deep purification, and finally adjusting the pH value back for flocculating settling and solid-liquid separation. And finally, obtaining clear liquid with the effluent copper ion concentration stably lower than 0.5 mg / L and ferrite precipitate-sludge with stable chemical properties. The method is simple and low in cost, secondary pollution is avoided, the treatment difficulty and environmental risks of the strong complexing copper wastewater and the sludge obtained through treatment are greatly reduced, and the method has wide application prospects.
Owner:HUBEI SINOPHORUS ELECTRONIC MATERIALS CO LTD

Organic waste gas filtering and purifying device

The invention relates to the technical field of gas purification, and discloses an organic waste gas filtering and purifying device which comprises a tank body, a smoke inlet is formed in the bottom of the tank body, a water cabin is arranged on the outer wall of the tank body, a water pumping pipe is fixedly connected to the top of the water cabin, and a water pump is arranged on the circumferential surface of the water pumping pipe. A water adjusting mechanism is arranged in the tank body, the main shaft is rotatably connected to the interior of the tank body, a smoke outlet is formed in the outer wall of the tank body, the feeding pipe is fixedly connected to the inner wall of the feeding bin, and the small filter plate is fixedly connected to the inner wall of the bottom of the feeding bin. The rotating cabin rotates to drive the water spraying pipe to rotate, and the water spraying pipe rotates to increase the spraying area of sprayed water, so that a better purification effect is achieved.
Owner:RENQIU HENGTAI CHEMICAL CO LTD

Water transfer project risk cascade propagation and risk assessment method and system based on multi-level topological structure

ActiveCN122022502AData processing applicationsPropagation matrixWater transfer
The invention discloses a water transfer project risk cascade propagation and risk assessment method and system based on a multi-level topological structure, and the method comprises the steps: obtaining a water transfer project topological network, and generating a node comprehensive risk vector of each node based on multi-source operation data; constructing a basic risk propagation matrix according to the physical connection relationship, and performing structured modulation on the basic risk propagation matrix based on the node comprehensive risk vector to generate a comprehensive propagation operator; performing cascade propagation iterative evolution on the node comprehensive risk vector based on the comprehensive propagation operator, and continuously calculating network dynamics stability characteristic parameters of the comprehensive propagation operator in the evolution process; when it is judged that the system is in a divergent phase state according to the parameters, a comprehensive propagation operator is reconstructed, iterative evolution continues till convergence, and steady-state risk distribution is obtained; and outputting a comprehensive risk assessment result of the system based on the steady-state risk distribution. The method can improve the operation safety management and control capability of the water regulation project under complex operation conditions and external disturbance conditions.
Owner:NANJING HYDRAULIC RES INST

Drainage basin ditch pond-road low-cost ecological sand control method based on hydrological connectivity

The invention discloses a watershed ditch and pond-road low-cost ecological sand control method based on hydrological connectivity, which belongs to the field of ecological environment protection and mainly comprises the steps of data acquisition, DEM data correction, confluence network construction, hydrological structure connectivity identification, SWAT model construction, key source area identification, scene analysis and cost benefit analysis. Under the influence of a ditch pond-road system, the key source area identification technology based on hydrological structure connectivity and the drainage basin key source area ditch pond road low-cost water regulation and soil conservation method achieve the dual purposes of reducing the water and soil regulation and control cost and continuously improving the ecological benefit by identifying the key source area.
Owner:HUAZHONG AGRI UNIV

Precise regulation and control method and system for recirculating aquaculture based on graph network water resource management

The invention provides a recirculating aquaculture accurate regulation and control method and system based on graph network water resource management, and relates to the technical field of fishery regulation and control methods, and the method comprises the steps: sequentially carrying out the high-frequency synchronous collection processing and Kalman filtering noise fusion inhibition processing of collected multi-dimensional data; obtaining a time-space aligned and standardized multi-modal water quality time sequence data set; defining the core water quality parameter type as a node of the dynamic heterogeneous graph to obtain a dynamic heterogeneous graph structure with the edge weight containing the time delay mutual information entropy and the node containing the multi-dimensional characteristics; processing the dynamic heterogeneous graph structure by adopting a gated space-time convolution graph neural network to obtain a multi-dimensional water quality state prediction matrix including potential abnormal probability, water quality risk level, water circulation efficiency and biological fitness; a multi-target constraint reinforcement learning algorithm is adopted for processing, and accurate fishery circulating water regulation and control are achieved. The water resource consumption cost is remarkably reduced, and key technical support is provided for water saving and emission reduction of land-based industrial aquaculture.
Owner:SHANDONG NAXIN NEW ENERGY CO LTD

Gas-steam combined cycle unit steam drum water level control method, device and equipment

The invention provides a method, device and equipment for controlling the steam drum water level of a gas-steam combined cycle unit. The method comprises the steps that the opening degree of an inlet guide vane of a gas compressor, the turbine exhaust temperature, the feed water flow, the steam flow, a steam drum water level set value and the steam drum water level are obtained in real time; according to the opening degree of an inlet guide vane of a gas compressor and the exhaust temperature of a turbine, the gas turbine side feed-forward control quantity is determined; according to the steam drum water level set value and the steam drum water level, a first PID controller is adopted to determine an original feed water flow set value; according to the feed water flow, the steam flow, the original feed water flow set value and the gas turbine side feed-forward control quantity, a second PID controller is adopted to determine a first feed water adjusting valve opening instruction; and adjusting the opening degree of the feed water adjusting valve according to the first feed water adjusting valve opening degree instruction, and controlling the steam drum water level of the gas-steam combined cycle unit. According to the invention, reliable guarantee is provided for safe and efficient operation of the unit through a cooperative regulation mechanism of the gas turbine side feed-forward control quantity and three-impulse control.
Owner:HENAN ZHONGYUAN GAS POWER GENERATION CO LTD OF HUANENG GROUP +1

Method and system for treating polysaccharide production wastewater

The invention relates to the technical field of wastewater treatment, in particular to a polysaccharide production wastewater treatment method and system.The treatment method comprises the steps that first wastewater with the COD content being Xmg / L and second wastewater with the COD content being Ymg / L are collected, and X is larger than Y; the first wastewater and the second wastewater are mixed according to a preset proportion to form first mixed wastewater, and the pH value of the first mixed wastewater is adjusted and homogenized; the adjusted first mixed wastewater flows into an anaerobic tank to be subjected to primary anaerobic treatment, and second mixed wastewater is generated; the second mixed wastewater flows into a reactor to be subjected to secondary anaerobic treatment, and third mixed wastewater is generated; the third mixed wastewater flows into an aerobic tank to be subjected to aerobic treatment, and fourth mixed wastewater is generated. Therefore, stable, efficient and low-cost treatment of the high-concentration polysaccharide production wastewater is realized.
Owner:SICHUAN HETAI SYNLIGHT BIOTECH LTD +1

Dry quenching waste heat power generation deoxygenization water supply system

ActiveCN223882774ULiquid degasificationBoiler cleaning apparatusSaline waterBoiler feedwater pump
The utility model belongs to the technical field of dry quenching waste heat power generation, and particularly relates to a dry quenching waste heat power generation deoxygenization water supply system. Comprising EDI (electrodeionization) equipment, a steam extraction condensing steam turbine or a pure condensing steam turbine, a condenser, a condensate pump, a demineralized water tank of a dry quenching boiler water supply pump station, a deoxygenization water supply pump, a deoxygenization water supply regulating valve group, a three-way valve, a water-water heat exchanger, a water supply preheater and a thermal deaerator. The utility model has the beneficial effects that a desalting water tank and a secondary desalting water pump of a desalting water station are omitted; the fixed pressure difference of the regulating valve is used as main regulation, and the three-way valve is used as auxiliary regulation to ensure normal operation of sampling equipment; after deoxygenated water supply is heated by the water-water heat exchanger, one part of sewage is fed into the dry quenching body circulating water tank for normal production, and the other part of sewage is fed back to a sewage discharge well, so that the temperature of the sewage is reduced, heat and water resources are fully utilized, and meanwhile, the adverse effect of white smoke generated by sewage discharge on a drainage system and the environment is eliminated.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC

Mechanical adjustable constant-temperature water mixing faucet

The utility model provides a mechanical adjustable constant-temperature water mixing faucet which comprises an outer shell, an inner cavity is formed in the outer shell, a water mixing adjusting valve capable of rotating relative to the outer shell and a temperature controller capable of sliding in the outer shell are sequentially installed in the inner cavity, and a spiral bimetallic strip is arranged in the temperature controller. The sliding temperature controller enables the water mixing adjusting valve to be connected with the outer shell in a coupling mode, the temperature controller drives the water mixing adjusting valve to rotate to adjust the water inlet proportion of the water inlet pipeline based on deformation of the bimetallic strip, the water mixing adjusting valve and the spiral bimetallic strip are assembled and disassembled in a sliding connection mode, and a physical switching mechanism of a temperature control mode and a temperature adjusting mode is formed. The water temperature can be adjusted at will according to individual requirements of users within the allowable temperature range, and the water mixing adjusting valve is driven to rotate to control the inlet and outlet proportion of cold water and hot water based on thermal expansion of the bimetallic strip.
Owner:王喆

An agricultural field drainage system

The application discloses a farmland drainage system, which comprises a water collecting well for collecting redundant water in farmland, a water pumping and draining system and a drainage pipeline, the water pumping and draining system comprises a solar-powered submersible pump, and the end of the drainage pipeline is connected with an open ditch; the system is characterized in that the system further comprises a siphon supplementary drainage system, the siphon supplementary drainage system comprises a siphon water inlet pipe and a water outlet combination device, the siphon water inlet pipe is connected with the drainage pipeline, and the water outlet combination device is arranged at the end of the drainage pipeline; the water outlet combination device comprises a water outlet adjusting device and a water tank, the water tank is fixed at the port of the drainage pipeline, and the drainage pipeline extends into the water tank; the water outlet adjusting device is sleeved outside the drainage pipeline and comprises a water tank water outlet cover which can move axially along the drainage pipeline, and the water tank water outlet cover is pressed at the opening of the water tank through a spring; when the water pressure of the drainage pipeline is enough, the water tank water outlet cover is pushed to move upwards to compress the spring, the water tank is opened, and water is drained.
Owner:HOHAI UNIV

Hippocampus breeding circulating water temperature and quality intelligent cooperative control system and method

The present application relates to the technical field of aquaculture circulating water control, and discloses a sea horse aquaculture circulating water temperature and quality intelligent collaborative control system and method, which is based on the data of the change amount of the aquaculture water to perform independent prediction analysis on the source type of the sea horse aquaculture water replacement, realizes intelligent and reliable judgment of whether the sea horse aquaculture water replacement is from internal circulating water or external circulating water based on the theoretical change of the sea horse aquaculture water amount, and constructs sea horse aquaculture water regulation information based on the data processing of the sea horse aquaculture water replacement source, the water amount information of the replacement water, and the water temperature and water quality update information of the aquaculture water. Meanwhile, the water body update equipment is independently and reliably controlled by combining the aquatic product aquaculture management platform to perform the replacement of the aquaculture water body and the water temperature and water quality regulation operation, the precise regulation of the water body, the water temperature and the water quality in the sea horse aquaculture process is realized, and the efficiency and accuracy of the sea horse aquaculture management are improved.
Owner:FUZHOU UNIV

An iron bucket plastic bucket hazardous waste resourceization wastewater treatment system based on segmented oxidation and dynamic regulation

ActiveCN224467648USludgeOil separation
An iron bucket plastic bucket hazardous waste resourceization sewage treatment system based on segmented oxidation and dynamic regulation, strong alkali wastewater enters the first artificial grid, the first oil separation tank, the strong alkali water adjusting tank, the PH adjusting tank, the demulsification tank, the first coagulation sedimentation tank, the sand filter and the reuse water tank in sequence through the water inlet; the comprehensive wastewater enters the physical and chemical pretreatment unit, the hydrolysis acidification tank, the nutrition tank dosing tank, the anaerobic UASB tank, the AO biochemical tank, the secondary sedimentation tank, the Fenton advanced oxidation unit and the biological aerated filter in sequence through the water inlet, the sludge inlets of the first coagulation sedimentation tank, the anaerobic UASB tank, the secondary sedimentation tank and the Fenton advanced oxidation unit are connected with the sludge tank inlet in sequence, the utility model discloses scientific and reasonable design, multi-mode switchable process flow, 18% lower than traditional process, energy consumption reduces 25% at low load; effectively reduce the water treatment cost of 0.8-1.2 yuan per ton, and the social and economic benefits are remarkable.
Owner:HENAN ZHONGREN SHENGDA ENVIRONMENTAL TECH CO LTD

Ecological Reconstruction Method for Rigid Riverbanks

The present invention provides an ecological transformation method for a hard riverbank, which includes the steps of digging a channel, laying pipes, installing water storage and regulation devices, and laying greenery. Digging a channel means building a water storage channel at the top of the hard riverbank. Laying pipes means opening a number of horizontally arranged perforations communicating with the river channel in the water storage channel, and placing water conduits in each perforation. Installing water storage and regulation devices means installing a plurality of water storage and regulation mechanisms in the water storage channel, and making each water storage and regulation mechanism correspond to the end of each water conduit one by one. Laying greenery means laying a plurality of green plant boxes on the slope of the hard riverbank, and connecting and communicating any two adjacent green plant boxes to receive the water led out by the water conduits. The ecological transformation method for the hard riverbank provided by the present invention can ensure the diversity of ecological construction, can resist flood disasters to a certain extent, ensure the growth of green plants, and can also ensure the unified irrigation of green plants, with strong practicability.
Owner:SHENZHEN HUAHAOMIAO WATER ECOLOGICAL ENVIRONMENT TECH RES INST

Flow-controllable water-cooled laser heat dissipation device

The utility model relates to the technical field of laser heat dissipation, and discloses a flow-controllable water-cooled laser heat dissipation device. The device comprises a water cavity, two water outlet hole channels are formed in one side of the water cavity, and the two water outlet hole channels are both communicated with a water inlet hole channel; the two water outlet regulating valves are respectively arranged at the two water outlet hole channels and are used for controlling the water outlet flow at the two water outlet hole channels; the water outlet rotating screw hole is formed in the water outlet hole channel, is perpendicular to the water flow direction of the water outlet hole channel, and penetrates to the external environment from the water outlet hole channel; and the gas pressure reducing groove extends from the water outlet rotating screw hole to the direction opposite to the external environment and is used for balancing the air pressure and the water pressure at the water outlet hole channel in the adjusting process of the water outlet adjusting valve. By arranging the water outlet adjusting valve and the gas pressure reducing groove at the water outlet hole channel, the flow of water flow can be effectively controlled, so that heat dissipation is performed on part of the position of the laser in a targeted manner, the heat dissipation effect of the laser is improved, and meanwhile, a water source is buffered to avoid impacting the laser.
Owner:GRACE LASER TECH CO LTD

Energy-saving optimization method and device for automatic control system of condensate pump of thermal power generating unit

ActiveCN115046190BLiquid degasificationWater circulationThermodynamicsAutomatic control
The present application relates to a kind of thermal power generating unit control technical field, is a kind of thermal power generating unit condensate pump automatic control system energy-saving optimization method and device, the former includes determining by deaerator water regulating valve control condensate pump outlet header pressure, then judge deaerator water regulating valve whether full open;In response to no, reduce condensate pump outlet header pressure set value, until deaerator water regulating valve full open;In response to yes, judge current deaerator water regulating valve opening degree whether with condensate pump energy-saving operation match;In response to no, increase condensate pump outlet header pressure set value, until current deaerator water regulating valve opening degree with condensate pump energy-saving operation match.The present application is by lifting the opening degree of deaerator water regulating valve, reduce the throttling loss caused by deaerator water regulating valve opening degree low, simultaneously make the throttling loss of deaerator water regulating valve minimum and condensate pump outlet header pressure maximum, in reducing energy loss while guaranteeing the economy of condensate pump operation.
Owner:ELECTRIC POWER SCI RES INST OF STATE GRID XINJIANG ELECTRIC POWER CO LTD +1

A water purification apparatus

This invention discloses a water purification device, including a filtration unit and a reverse osmosis filter. The filtration unit includes a housing and an ultrafiltration membrane filter element and an adsorption filter element installed inside the housing. The housing is provided with a raw water inlet, an adsorption outlet, and an ultrafiltration outlet. Water filtered by the ultrafiltration membrane filter element is configured to flow out through the ultrafiltration outlet and also configured to flow out through the adsorption outlet after being filtered by the adsorption filter element. The reverse osmosis filter includes a raw water inlet, a pure water inlet, and a wastewater inlet. The adsorption outlet is connected to a water tap via a domestic water pipe. The ultrafiltration outlet is directly or indirectly connected to the raw water inlet. The pure water inlet is directly or indirectly connected to a drinking water pipe, which is connected to the water tap. An eighth control valve is provided on the domestic water pipe, configured to regulate the water flow and on / off state in the domestic water pipe. This invention can avoid clogging of the ultrafiltration membrane filter element, realize the mixing of domestic water and pure water, and adjust the TDS of the mixed water.
Owner:QINGDAO HAIER STRAUSS WATER EQUIP CO LTD +2

Shower faucet body structure

The utility model discloses a shower faucet body structure which structurally comprises a faucet body, a water outlet pipe arranged on the left side of the faucet body, a control handle arranged at the tail end of the water outlet pipe and a water outlet adjusting structure located on the surface of the water outlet pipe and matched with the control handle. The water faucet has the advantages that the water outlet adjusting structure and the control handle are matched for operation, water flow can be controlled, the situation that when a child needs to use the water faucet, the water outlet amount of the control handle can be controlled is avoided, direct operation of strong water flow during use of the water faucet is prevented, and the water faucet is convenient to use. And scalding and the like are caused when hot water is operated.
Owner:QUANZHOU DINGSHENG SANITARY WARE CO LTD

High-temperature and high-pressure valve test system

A high-temperature and high-pressure valve test system belongs to the technical field of valve detection. The system comprises a steam water pressure stabilizing system, a balancing system, a cooling system, a heating system, a test loop system, a circulating system and a water adjusting system, and a water adjusting port of the steam water pressure stabilizing system is connected with a first water inlet and a first water outlet of the water adjusting system through a pipeline. An external supply port of the steam water pressure stabilizing system, a balance inlet of the balance system, a cooling inlet of the cooling system, a heating inlet of the heating system, a test inlet of the test loop system and a circulation outlet of the circulation system are communicated with one another through pipelines, and a balance port of the steam water pressure stabilizing system is connected with a balance outlet of the balance system through a pipeline. A cooling outlet of the cooling system, a heating outlet of the heating system, a test outlet of the test loop system and a circulation inlet of the circulation system are simultaneously communicated with a second water inlet and outlet of the water adjusting system through pipelines. The device can support large-scale complex working condition simulation tests.
Owner:SHENYANG SHENGSHI WUHUAN TECHNOLOGY CO LTD

Water resource optimal configuration method considering over-water-supply regulation and hierarchical constraint

The invention provides a water resource optimal configuration method considering excess water supply regulation and control and hierarchical constraint, and the method comprises the steps: obtaining water resource configuration parameter data, constructing a basic water resource optimal configuration model, constructing a hierarchical constraint system, constructing a multi-target water resource optimal configuration model, and solving the water resource optimal configuration model. And obtaining an optimal water resource allocation scheme. According to the method, on the premise that regional water consumption red line constraints are guaranteed, collaborative optimization of economic benefits, water shortage control and water consumption rationality is achieved, scientificity, engineering performability and management adaptability of a configuration scheme are improved, and support is provided for actual water resource scheduling and management decision making.
Owner:CHINA THREE GORGES UNIV +1

An electrical monitoring and cutoff water regulation control device

This utility model proposes an electrical monitoring and verification water conservancy dispatch control device, belonging to the field of water conservancy dispatch control technology. It includes a protective shell with a fixing rod installed at the bottom. The fixing rod has an L-shaped cross-section. A replacement assembly is installed inside the protective shell for replacing and cleaning sensor probes. The replacement assembly includes a fixing plate bolted to the inner wall of the protective shell. A micro motor is bolted to the top of the fixing plate, and a first gear is installed at the output end of the micro motor. A first lead screw is rotatably mounted on the top of the protective shell, and a second gear is sleeved on the outside of the nut of the first lead screw. A second lead screw is rotatably mounted on the top of the protective shell, and a third gear is sleeved on the outside of the second lead screw. This utility model, by providing a replacement assembly, allows for the cyclical replacement of two sets of sensor probes, and the sensor probes can be self-cleaned without stopping the machine.
Owner:CEIEC ELECTRIC TECH

Energy-saving biological deodorization spray water adjusting device integrating real-time monitoring of pH value

The invention relates to the technical field of environmental protection, in particular to an energy-saving biological deodorization spray water adjusting device integrating real-time monitoring of pH value. Comprising a trickling filter body, and a liquid storage tank, a multi-union pump, an air inlet valve and a water replenishing valve are arranged on the side wall of the bottom of the trickling filter body. The device can monitor the PH value, the salt concentration, the liquid level height and the like in the circulating water tank, when the PH value is alkaline or acidic, the acid solution or the alkaline solution pre-stored in the liquid storage tank is pumped into the circulating water tank by controlling the multi-union pump, hydrogen ions or hydroxyl ions are provided for PH value adjustment, and the pH value is adjusted. The water in the circulating water tank is always kept in a neutral state, and when the salt concentration is too high, the salt concentration is reduced in a manner of supplementing water and diluting or discharging supplemented water in combination with the height of the liquid level, so that the neutral growth environment of microorganisms is accurately maintained, the deodorization efficiency is improved, frequent water discharging and supplementing can be avoided, and the waste of water resources is reduced.
Owner:BEIJING BOYANG HUANTUO ENVIRONMENTAL PROTECTION TECH CO LTD

A micro-nano bubble tail water decontamination device based on family farms

The present invention provides a micro-nano bubble tail water decontamination device for family farms, belonging to the technical field of water regulation and decontamination equipment. A floating module is provided on the upper part of the micro-decontamination device, an anti-loss motor module is provided at the bottom of the floating module, a micro-nano bubble generating module is installed at the bottom of the anti-loss motor module, and a set of rotating long-axis exhaust pipes are provided on the left and right sides of the micro-nano bubble generating module. The invention facilitates the micro-decontamination device to operate at different depths through the control module, effectively absorbs suspended matter in the water body, such as algae and plankton, at different depths through micro-nano bubbles, and brings them to the water surface under the action of flotation, thereby improving the transparency of the water body and enhancing the decontamination effect; the floating module and the anti-loss rope make it easy for users to collect the micro-decontamination device when it is used abnormally, facilitating subsequent maintenance; and two sets of anti-stirring blades and cleaning brushes are used to prevent objects such as algae from clogging the device and affecting its use.
Owner:ZHEJIANG INST OF FRESH WATER FISHERIES