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2349 results about "Water delivery" patented technology

Misting fan

A misting fan includes a fan assembly and a misting assembly. The fan assembly includes a fan housing and a fan blade assembly. The fan housing includes an air inlet guard and an air outlet guard. The air outlet guard includes a mist outlet portion and air outlet vanes, the mist outlet portion includes a mist outlet hole and air outlet holes. The misting assembly includes an atomizing member and a water tank. The water tank includes a main tank body, at least one water delivery pipeline, and an atomizing portion. Liquid in the main tank body is provided to the atomizing member through the at least one water delivery pipeline and the atomizing portion, thereby enabling the atomizing member to spray mist spray formed by atomizing the liquid from the mist outlet hole, and outlet airflow is arranged around the mist spray.
Owner:SHENZHEN SHIWU TECH CO LTD

Partition decoupling-based irrigation district reservoir and canal system water resource joint optimization scheduling method and equipment

PendingCN121724381AData processing applicationsWater supply and demandStream flow
The invention provides an irrigation district reservoir and canal system water resource joint optimization scheduling method and device based on partition decoupling, and the method comprises the steps: obtaining the topological information of a target irrigation district reservoir and canal system, carrying out the irrigation division, and determining the water supply and demand of a future time period; based on the topological information, aggregating and generalizing each reservoir and channel in the irrigation area reservoir and channel system into a plurality of aggregated reservoirs and aggregated channel systems according to a coupling relationship, and dividing the target irrigation area reservoir and channel system into a plurality of subareas; channel water distribution flow feasible regions of different types of aggregation channel systems are deduced step by step from bottom to top from the last-stage channel; a double-layer water resource joint optimization scheduling model is established, the upper layer takes the maximum sum of the ratio of the water supply amount to the water demand amount of each subarea as the optimization target, and the lower layer takes the shortest water delivery time and the minimum water delivery loss of each subarea as the optimization target; the model is solved, the optimal water supply amount of each partition and the flow of the reservoir and the channel of each partition are obtained, and a scheduling optimization scheme is obtained. The method can maximize the water-saving benefit of the irrigated area.
Owner:NANJING HYDRAULIC RES INST +1

Circulating spraying system and cooling tower comprising same

The invention belongs to the technical field of cooling towers, and particularly relates to a circulating spraying system and a cooling tower comprising the same, the circulating spraying system comprises a water pipe, a water tank arranged below the water pipe; the pressure control assembly is arranged in the water tank and comprises a sealing block, a connecting ring is arranged on the outer surface of the sealing block, and a connecting hole is formed in the lower surface of the connecting ring. During use, the water pump is started to feed water in the water tank into the atomizing nozzles through the water conveying pipe and the flow dividing pipe. Water flow firstly makes contact with the flow guide strips, impacts the flow guide pieces after drainage and drives the connecting plate and the transmission rod to rotate. The transmission rod penetrates through the first linear bearing and is matched with the second linear bearing to drive the cleaning support to rotate, the first spring buffers, the second spring pushes the cleaning support to enable the cleaning brush to be attached to the inner wall of the nozzle, and the inner wall is cleaned rotationally. After passing through the kinetic energy conversion assembly, the water flow is atomized and sprayed out through the spray orifice plate. The flexible nanofiber brush can remove dirt to avoid blockage, the inner wall is not damaged, and uniform atomization is guaranteed.
Owner:SHANGHAI HUADIAN ELECTRIC POWER DEV CO LTD

Water closing test method for large-span radial gate

The invention relates to the technical field of water closing tests of large-span radial gates, and provides a water closing test method of a large-span radial gate, which comprises the following steps: constructing a water closing test space, closing a gate of a target gate hole, and setting an upstream temporary closing area; arranging a water injection system, and arranging a water injection pump, a water conveying pipeline, a valve and a flow meter; checking the sealing and connecting state of each facility before the test; performing graded water injection, sequentially loading a low water head, a middle water head and a designed water head, and observing the leakage condition step by step; after water injection is stopped and the water level is maintained at the designed water head stage, water stop area leakage observation and gate structure displacement measurement are carried out; and after the test is finished, draining water and sorting data for performance evaluation. According to the invention, the sealing performance and the installation quality of the large-span radial gate can be effectively verified, and if the leakage amount is within a design allowable range, the gate is good in sealing and stable in structure; on the contrary, reasons need to be searched for and processed. The method is suitable for the standardized closed water test before field operation.
Owner:SINOHYDRO BUREAU 14 CO LTD

Dry land terrace intelligent irrigation control system based on multi-modal data

The invention belongs to the technical field of intelligent irrigation, and particularly relates to a dry land terrace intelligent irrigation control system based on multi-modal data, which comprises a data acquisition module, a data analysis and processing module, a water source and water delivery module, an irrigation execution module and a user interface and monitoring module. According to the invention, sudden water deficit (such as late spring coldness) is dealt with through path re-planning by the mobile irrigation unit, the emergency response speed is increased by 70%, and the drought loss rate is reduced by 54% by a synchronous digital twinning alarm strategy. The core breakthrough is that a closed-loop dynamic optimization mechanism of multi-source data acquisition-edge cloud collaboration-execution feedback is formed, and the problem of resource mismatching caused by data splitting of a traditional system is thoroughly solved, so that the emergency capability is improved; through collaborative optimization of an edge calculation layer (for example, more than 50% humidity data is removed in real time in continuous 3 hours) and a cloud decision layer (three-dimensional control matrix output), a valve is dynamically adjusted in combination with gravitational potential energy, so that the irrigation misjudgment rate is reduced.
Owner:HANGZHOU SHOUNONG ENVIRONMENTAL TECHNOLOGY CO LTD

Granulator for biological fertilizer production

The utility model relates to a granulator for biological fertilizer production. The granulator comprises a base and a water spraying assembly, when materials are added into the barrel through the feeding port and then the barrel rotates for granulation and water spraying, a water conveying hose is connected with a vertical pipe, then a rotating motor drives a lead screw to rotate, a moving block moves along a sliding rod, the moving block drives an L-shaped block to move, the L-shaped block drives a water conveying pipe to move inwards, and a spraying head moves into the barrel through the feeding port; when the spray head moves to a position where water needs to be sprayed, water in the water conveying hose is sprayed to materials from the spray head through the water conveying pipe to adjust the humidity of the materials, after spraying is completed, the rotating motor rotates reversely, the lead screw rotates, the moving block drives the L-shaped block to move outwards along the sliding rod, the water conveying pipe and the spray head move outwards, and the spray head moves out of the cylinder to wait for being used when water is sprayed next time. In this way, manual operation can be replaced, the labor intensity of operators is reduced, and the working efficiency is improved accordingly.
Owner:HAINAN GUOYUN AGRI TECH CO LTD

Long-distance water-salt dynamic regulation and control method, equipment, medium and product

The invention discloses a long-distance water-salt dynamic regulation and control method and device, a medium and a product, and relates to the technical field of ecological management, and the method comprises the steps: periodically obtaining monitoring data through a real-time monitoring network; determining the opening degree of a flow valve based on a partial pressure technology according to the water pressure and flow data of each node of the water delivery pipe network, and dynamically adjusting the water pressure and flow of each shunt branch in the water delivery pipe network according to the opening degree of the flow valve; according to the water content of the artificial soil layer, a water supplementing strategy is determined based on a vegetation water demand model; according to the salinity value of the artificial soil layer, on the basis of a salinity accumulation risk model, salt control closed-loop control based on a high salinity water active suction band-off mechanism is carried out; according to the invention, dynamic, accurate and closed-loop management of moisture and salinity can be realized.
Owner:GEZHOUBA XINJIANG INVESTMENT & DEVELOPMENT CO LTD +1

Full-automatic operation control system for filter pressing, water washing and squeezing of diaphragm filter press

The utility model discloses a full-automatic operation control system for filter pressing, water washing and squeezing of a diaphragm filter press, which is characterized in that an inlet of a slurry liquid filter pressing pump is connected with a to-be-pressed filtrate storage tank, an outlet of the slurry liquid filter pressing pump is connected with a liquid inlet of the filter press through a liquid inlet valve V1, and an inlet of an on-machine water washing filter pressing pump is connected with an on-machine washing water storage tank; the outlet is connected with the water inlet of the filter press through a water inlet valve V3; an inlet of the squeezing water delivery pump is connected with the squeezing water tank, an outlet of the squeezing water delivery pump is connected with the filter press, the front end of the pulp filter press pump and the front end of the squeezing water delivery pump are respectively provided with the frequency converter, and the pulp filter press pump, the filter press, the on-machine washing filter press pump, the squeezing water delivery pump, the liquid inlet valve V1 and the water inlet valve V3 are respectively connected into the control cabinet. And the control cabinet is used for controlling the starting, stopping and switching of the slurry filter press pump, the filter press, the on-machine washing filter press pump, the squeezed water delivery pump, the liquid inlet valve V1 and the water inlet valve V3. According to the utility model, full-automatic start-stop switching control of filter pressing, water washing and squeezing of the diaphragm filter press in hydrometallurgy can be realized.
Owner:HUNAN TONGHUI ENVIRONMENTAL EQUIP CO LTD +1

Method, system and terminal for determining combined lining of high-pressure water delivery tunnel

The invention relates to the technical field of structural design of hydraulic structures, and particularly discloses a method, a system and a terminal for determining a combined lining of a high-pressure water delivery tunnel. In the establishment process of a numerical calculation model of the combined lining, a composite drainage plate is equivalent to a uniform isotropic entity medium with the thickness of d; the mechanical property of the composite drainage plate is represented by adopting a comprehensive elastic modulus E, the structural stress of the composite drainage plate and the water pressure bearing ratio in the steel pipe are restrained through a steel pipe allowable stress control threshold value, a pipe piece crack resistance allowable stress control threshold value and a steel pipe bearing ratio control threshold value, and finally the d / E value range of the composite drainage plate is determined. Through the mode, a scientific and clear basis is provided for the value of the composite drainage d / E in the combined lining, the problem that the value is obtained depending on experience at the present stage is solved, and the subjectivity of manual selection is avoided.
Owner:ZHEJIANG HUADONG ENG CONSTR MANAGEMENT CO LTD +1

Water delivery pipeline inverted siphon device capable of automatically flushing and discharging sludge

The utility model discloses a water delivery pipeline inverted siphon device capable of automatically flushing and discharging sludge, which is characterized in that an air compression device is arranged in a water inlet equipment well, an air flushing valve is arranged behind the air compression device, the other side of the air flushing valve is connected with an air flushing pipe, and the air flushing pipe penetrates through the water inlet equipment well and then extends to the bottom of a water inlet of a descending pipe; the air flushing pipe is communicated with the bottom of the parallel pipe through an inclined tee joint at a certain distance, is communicated with the bottom of the sludge hopper through a regular tee joint, is communicated with the bottom of the ascending pipe through a regular tee joint at a certain distance, and is provided with an adding ring at the tail end of the regular tee joint, and an air outlet hole is formed in the adding ring. The device can automatically flush and discharge sludge according to the deposition degree of the water conveying pipeline, sludge deposited at the bottom of the inverted siphon pipe is flushed into the sludge hopper through compressed air, and then the sludge deposited at the bottom of the sludge hopper is lifted to a sludge discharge wet well through the compressed air and then discharged out of the system.
Owner:CHINA POWER CONSTR GRP ARCHITECTURAL PLANNING & DESIGN INST CO LTD +1

Internet of Things agricultural spraying irrigation equipment for intelligent agriculture

The invention relates to Internet of Things agricultural spraying irrigation equipment for intelligent agriculture, and belongs to the technical field of agricultural irrigation, the Internet of Things agricultural spraying irrigation equipment comprises irrigation equipment for agricultural spraying, and the irrigation equipment comprises an irrigation assembly and a water delivery assembly arranged on the bottom side of the irrigation assembly; the water conveying assembly is provided with a transmission structure and a supporting assembly used for supporting. According to the internet-of-things agricultural spraying irrigation equipment for intelligent agriculture, the spraying pipe is transversely arranged, the communicating pipe is rotationally connected with the top water conveying pipe, when water enters the spraying pipe to overflow and is sprayed out of the spraying pipe, thrust generated by water flow drives the spraying pipe to rotate, the irrigation area can be enlarged, and irrigation is more uniform; the liquid medicine enters the expansion pipe, the expansion pipe provides sufficient space and time for further mixing of the liquid medicine and water, the liquid medicine and the water can be fully and evenly mixed, it is guaranteed that the liquid medicine can evenly act on an irrigation area during irrigation, and the irrigation effect and the utilization rate of the liquid medicine are improved.
Owner:WUWEI VOCATIONAL COLLEGE

Long-distance water conveying pipeline flow monitoring method fused with terrain dynamic compensation

The invention belongs to the technical field of pipeline flow monitoring, and particularly relates to a long-distance water delivery pipeline flow monitoring method fused with terrain dynamic compensation, which comprises the following steps: selecting a long-distance water delivery pipeline reference point, and synchronously acquiring reference flow and static pressure; based on a multi-source data fusion technology, constructing a pipeline terrain elevation parameter model, generating a three-dimensional terrain matrix, calculating an elevation difference, a gradient and a curvature radius, and constructing a terrain correction matrix; on the basis of Darcy formula correction, down-slope section kinetic energy suppression and a down-slope section pressure compensation algorithm, head loss is corrected, potential energy conversion errors are suppressed, and water hammer effect interference is eliminated; the flow in the pipeline is corrected through edge calculation, and global flow balance verification is carried out; and pipe bursting or leakage points are positioned in an auxiliary manner based on an integrated visual platform. According to the method, the measurement precision of the pipeline flow under the complex terrain is effectively improved, and a high-precision and all-terrain self-adaptive intelligent monitoring and early warning platform is provided for a long-distance water conveying pipeline.
Owner:CHONGQING YUFA WATER CONSERVANCY RES INST CO LTD

Single-action two-stage hydraulic drive compressor system

The utility model relates to the technical field of liquid-driven compressors, in particular to a single-action two-stage liquid-driven compressor system. Comprising a hydraulic driving cylinder, a first-stage compression air cylinder and a second-stage compression air cylinder are arranged on the two sides of the hydraulic driving cylinder respectively, a first exhaust cooler is arranged on a gas conveying pipeline, a second exhaust cooler is arranged on a high-pressure gas pipeline, and water cooling channels are formed in the cylinder walls of the first-stage compression air cylinder and the second-stage compression air cylinder respectively. A water inlet of the second-stage compression air cylinder is connected with a cooling water inlet pipeline, a water outlet of the second-stage compression air cylinder is connected with a water inlet of the first-stage compression air cylinder through a cooling water conveying pipeline, and a water outlet of the first-stage compression air cylinder is connected with a cooling water outlet pipeline. Cooling operation can be conducted inside and outside the first-stage compression air cylinder and the second-stage compression air cylinder, so that sealing pieces on the first-stage air cavity piston and the second-stage air cavity piston are protected, the service life is prolonged, the frequency of shutdown maintenance and replacement is reduced, and normal operation of the compressor is guaranteed.
Owner:YANTAI DONGDE HYDROGEN ENERGY TECHNOLOGY CO LTD

Welding positioning device for water supply and delivery pipeline

The invention discloses a water supply and water delivery pipeline welding positioning device, and relates to the technical field of water supply and water delivery pipeline welding, the water supply and water delivery pipeline welding positioning device comprises two fixing frames, the bottom of each fixing frame is provided with two symmetrically arranged moving roller mechanisms, the fixing frames are provided with lifting adjusting mechanisms, and the lifting adjusting mechanisms are connected with grabbing clamping jaw mechanisms; a synchronous folding mechanism is arranged between the two fixing frames, a lifting seat mechanism is arranged on the synchronous folding mechanism, a rotating arc plate mechanism is arranged on the lifting seat mechanism, two feeding welding mechanisms which are symmetrically arranged are arranged on the rotating arc plate mechanism, and a contact testing mechanism is arranged on the rotating arc plate mechanism; by arranging the grabbing clamping jaw mechanism, pipelines with different diameters can be grabbed and fixed, the lifting adjusting mechanism can drive the pipelines to ascend and descend for displacement, the synchronous folding mechanism can control butt joint of the two pipelines, meanwhile, folding, storage and carrying can be facilitated, and the water supply and delivery pipeline positioning and welding performance is improved.
Owner:SUIZHOU WATER AFFAIRS GRP CONSTR ENG CO LTD

Shaping device for rubber sealing ring production

The utility model relates to the technical field of rubber sealing ring production, and discloses a shaping device for rubber sealing ring production, which comprises a processing table, and a water storage tank is arranged at the top of the processing table; the supporting rod is arranged at the top of the machining table; and the top cover is arranged at the top of the supporting rod. The hydraulic cylinder is started, the hydraulic cylinder operates to drive the heating plate and the upper die block to move, when the upper die block is matched with the lower die block, the heating plate is started to heat the upper die block, so that a gap of a die is tightly filled with a rubber material, after the rubber material forms a required shape, the upper die block and the heating plate are recycled, and the water pump is started again. The water pump operates to suck water in the water storage tank through the water suction pipe, then the water is conveyed into the splitter plate through the water conveying pipe, and the water is sprayed out through the spray head to cool a rubber material, so that the effect of rapidly cooling the rubber sealing ring to maintain the shape and performance of the rubber sealing ring is achieved.
Owner:SUZHOU DAYUAN RUBBER & PLASTIC TECH CO LTD

Plasma waste gas treatment device

The utility model relates to the technical field of waste gas treatment washing towers, in particular to a plasma waste gas treatment device which comprises a main body of a tower body structure, an inner cavity is formed in the main body, a vertical water supply pipeline is arranged in the inner cavity, a plurality of water conveying frames which are longitudinally distributed at intervals are arranged on the water supply pipeline, and each water conveying frame comprises a water drainage pipe, a communicating pipe and a flow guide table. The drainage pipe is an annular pipe body with a plurality of water outlet holes evenly distributed in the bottom, the flow guide table is an annular plate body arranged below the water outlet holes, the inner end and the outer end of the communicating pipe communicate with the water supply pipeline and the drainage pipe correspondingly, and water in the water supply pipeline can penetrate through the water outlet holes to flow into the top end face of the flow guide table from top to bottom after flowing through the communicating pipe and the drainage pipe. And an annular water curtain is formed after guiding of the top end face of the flow guide table. The utility model is favorable for solving the problem that the purification effect is easy to influence due to the fact that only an atomizing nozzle is adopted for spraying treatment in some existing purification spraying towers, and spaces for harmful substances to escape still exist among fine water drops in an atomizing area.
Owner:XIAMEN JUNMO CORE SEMICON CO LTD

Automatic monitoring method for expansion joint of water delivery aqueduct and related device

The invention discloses an automatic monitoring method for a water delivery aqueduct expansion joint, an automatic monitoring device for the water delivery aqueduct expansion joint, automatic monitoring equipment and a computer readable storage medium. According to the method, continuous collection of expansion joint deformation is achieved through a distributed sensor, and interference caused by thermal expansion and cold contraction is eliminated in combination with a temperature compensation algorithm; and graded early warning is executed according to the deformation rate and the gap width deviation, so that the real-time performance and reliability of health monitoring of the aqueduct structure are effectively improved.
Owner:QINGHAI YINDAJI ENG SYNTHESIZE DEV CENT HEIQUANS

TBM (Tunnel Boring Machine) water conveying tunnel lining steel pipe mounting and transporting equipment and transporting and mounting method and device

The invention relates to TBM water conveyance tunnel lining steel pipe installation and transportation equipment and a transportation and installation method, the TBM water conveyance tunnel lining steel pipe installation and transportation equipment comprises a rail transportation system, a transfer system, a wheel type transportation system, an installation butt joint device and temporary supporting profile steel, the rail transportation system is arranged on a drilling and blasting tunnel section, and the transfer system is arranged at the junction of the drilling and blasting tunnel section and a segment tunnel section; the wheel type transportation system is arranged on a pipeline, and the installation butt joint device is arranged at the end of a lined section. The rail transportation system and the transfer system share the same group of rails at the intersection; the installation and construction of the lining steel pipe of the TBM water delivery tunnel with the engineering quantity smaller than 1 kilometer can be facilitated, the construction efficiency is improved, and the cost is reduced.
Owner:SINOHYDRO BUREAU 14 CO LTD

Dimension reduction PSO-ITA long-distance water delivery pipeline burst positioning method

The invention discloses a dimensionality reduction PSO-ITA long-distance water pipe burst positioning method which comprises the following steps: taking a pipe burst point as a node to obtain N pipeline nodes; according to the liquid control equation of the long-distance water conveying pipeline system, calculating the pressure and the flow of a pipeline node adjacent to the node to be measured by using a characteristic line method to obtain the target pressure of the node to be measured; if any to-be-measured node of the long-distance water conveying pipeline has pipe explosion relative to the pipeline, determining target pressure of the to-be-measured node according to a pre-determined liquid control equation of the long-distance water conveying pipeline system, a pipe explosion orifice outflow equation, a fitness function, a pipe explosion position and occurrence moment coupling equation and a particle swarm optimization algorithm; and according to a particle swarm optimization algorithm and a fitness function, solving a final pipe explosion position, size and occurrence time. According to the method, for the pipe explosion problem occurring in a long-distance water conveying pipeline system, the dimensionality reduction PSO-ITA pipe explosion positioning model is used for accurate positioning, and the pipe explosion transient flow numerical simulation precision can be improved.
Owner:LANSHUIKE (NANJING) WATER CONSERVANCY TECHNOLOGY CO LTD +2

Flaring equipment for PVC-O pipe

The utility model relates to the field of PVC-O pipes, and discloses a flaring device for PVC-O pipes, which comprises a support plate, the support plate is fixed on the top surface of a base, the front side of the support plate is provided with a movable hole, the rear side of the support plate is fixedly provided with a first cylinder, one end of a telescopic rod of the first cylinder penetrates through the movable hole and is fixedly provided with a baffle, and the other end of the telescopic rod of the first cylinder penetrates through the baffle. A flaring head is fixed to the front side of the baffle, an L-shaped frame is fixed to the top face of the base, and a water tank is fixed to the top face of the L-shaped frame. According to the pipe flaring device, the supporting plate, the baffle, the flaring head, the flaring pipe and the heating pipe are used in cooperation, pipe flaring operation can be conducted on a pipe, meanwhile, the L-shaped frame, the water tank, the water conveying pipe, the first water pump and the spray head are used in cooperation, the flaring position of the pipe can be rapidly cooled, flaring size rebounding or deformation is prevented, and it is ensured that the flaring shape is stable; the quality and the stability of the flaring pipe are improved, and meanwhile, the production efficiency is improved.
Owner:WUHAN HYPET CO LTD

Rainwater collecting device of box-type house

The utility model relates to the technical field of rainwater collection, in particular to a rainwater collection device of a box-type house, which comprises a box-type house main body, a filtering water tank, a sterilizing water tank and a water storage tank, a water collection plate is arranged at the top of the box-type house main body, and rainwater baffles are arranged on two sides of the water collection plate; a water collecting tank is arranged on the top of one side of the box-type house body, the top of the water collecting tank is an inclined face, and a filter screen is arranged on the inclined face. A water conveying pipe is connected to the lower portion of the water collecting tank and connected with a sand discharging pipe and a first water inlet pipe, a sand discharging valve is arranged on the sand discharging pipe, the first water inlet pipe is connected with the filtering water tank, an overflow pipe is arranged on the upper portion of the first water inlet pipe, and the filtering water tank is connected with the disinfection water tank through a second water inlet pipe. The disinfection water tank is connected with the water storage tank through a third water inlet pipe. According to the device, impurities such as gravel and soil contained in collected rainwater can be effectively removed, and the cleanliness of the collected rainwater is improved.
Owner:DACHANG HUI AUTONOMOUS COUNTY YANDA COLOR STEEL STRUCTURE CO LTD

Seawater desalination energy recovery device and recovery method

The invention belongs to the technical field of seawater desalination, and particularly relates to a seawater desalination energy recovery device and method. A gas conveying pipe and a water conveying pipe are arranged in the condenser; the air delivery pipe is located outside the water delivery pipe and wraps the water delivery pipe. One end of the gas conveying pipe is communicated with a gas outlet of the solar heat collector; the bottom of the gas conveying pipe is communicated with a group of water collecting pipes; a water inlet head and a water outlet head are respectively arranged at two ends of the water pipe; seawater in the solar heat collector is heated and evaporated through the vacuum heat collecting pipe, formed water vapor enters the air conveying pipe of the condenser through the air outlet and then flows along the interior of the air conveying pipe, and original seawater enters the water conveying pipe through the water inlet head and flows along the interior of the water conveying pipe; steam and seawater reversely flow along the interior of the simulated intestinal tract type pipeline and are separated from each other, heat exchange is continuously carried out between the steam and the seawater through the side wall of the water conveying pipe, and the condensation, heating and energy recovery efficiency is improved.
Owner:SEPCOIII ELECTRIC POWER CONSTR CO LTD

Multi-dimensional detection method and system for steam-water pollution

The embodiment of the invention provides a multi-dimensional detection method and system for steam-water pollution, and the method comprises the steps: setting sampling points at target positions of condensed water, feed water, boiler water and a steam system, and detecting sampling parameters at the sampling points; identifying a water quality abnormal signal based on the sampling parameter and a preset threshold value of the water quality index; associating the water quality abnormal signal with target equipment and carrying out chemical analysis so as to position a pollution source; monitoring the thermotechnical state of the target equipment in real time, collecting thermotechnical parameters, and establishing a linkage model of the thermotechnical parameters and the water quality indexes to identify the influence of abnormal working conditions on the water quality; according to the influence result of the abnormal working condition on the water quality, the water delivery module, the shaft seal module and the dosing module are subjected to sealing performance test and purity detection so as to identify hidden source abnormal signals; and performing multi-dimensional analysis on the water quality abnormal signal, the pollution source, the abnormal working condition and the hidden source abnormal signal, and building a fault tree to generate a pollution source priority list and dynamically adjust a pollution discharge strategy.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Water conservancy irrigation water intelligent scheduling method based on big data analysis

The invention provides a water conservancy irrigation water intelligent scheduling method based on big data analysis, and the method comprises the steps: obtaining soil moisture content real-time data, meteorological dynamic data, crop growth cycle data and water source water supply record data of an irrigation region, and carrying out the time-space correlation fusion processing, and obtaining a standardized multi-source data set; feature extraction is carried out on the standardized multi-source data set, a water demand prediction model is input for prediction, and the accurate water demand of the irrigation area is obtained; acquiring real-time water supply amount of a water source and water delivery efficiency data of an irrigation pipe network, and performing supply-demand balance analysis on the accurate water demand, the real-time water supply amount of the water source and the water delivery efficiency data of the irrigation pipe network to obtain a dynamic irrigation distribution scheme sorted according to crop water shortage sensitivity; and performing deviation analysis on execution process data of the dynamic irrigation distribution scheme and post-irrigation soil moisture content feedback data, and feeding back to the water demand prediction model for parameter correction. According to the invention, the defects of inaccurate water demand prediction and low water resource distribution efficiency are overcome.
Owner:GUANGDONG CONSTR ENG SUPERVISION CO

High-crack-resistance concrete prefabricated intercepting ditch

The utility model relates to the technical field of concrete prefabricated components, in particular to a high-crack-resistance concrete prefabricated intercepting ditch which is composed of a plurality of single intercepting ditch bodies, the top of each intercepting ditch body is covered with a rainwater grate, and a filtering assembly is further movably arranged on each intercepting ditch body. The filtering assembly comprises a vertically arranged filtering plate and a buoyancy piece arranged at the bottom end of the filtering plate, the filtering plate is movably arranged on one side of the rainwater grate, the buoyancy piece is located on the inner side of the intercepting ditch body, accumulation of sundries on the intercepting ditch can be reduced, and the normal water conveying function of the intercepting ditch is guaranteed.
Owner:QUZHOU COMM CONSTR INDUSTRIALIZATION CO LTD

Intelligent water supply device

The utility model discloses an intelligent water supply device which comprises a cabinet body, the top of the cabinet body is of an open hole structure, a cabinet cover is arranged on the top of the cabinet body in an openable mode, an electric control lock assembly used for limiting opening of the cabinet cover is arranged in the cabinet body, an internet of things control module is arranged in the cabinet body, the internet of things control module is connected with a wireless communication module, and the wireless communication module is connected with a wireless communication module. The server is in data connection with the Internet of Things control module through the wireless communication module, the Internet of Things control module is electrically connected with the electric control lock assembly, the radio frequency card reader is electrically connected with the Internet of Things control module, the switch is electrically connected with the Internet of Things control module, and the radio frequency card reader is electrically connected with the Internet of Things control module. The system can temporarily store the barreled water, is convenient for users to take water at any time, is also convenient for distribution personnel to distribute, can feed back whether water exists in the water cabinet or not, is convenient for the users and the distribution personnel to know the water delivery condition and the water taking condition, realizes the temporary storage, remote management and unmanned water taking of the barreled water, and optimizes the'last kilometer 'distribution efficiency.
Owner:SHANDONG DISCOVER HAOSHUI MOUNTAIN SPRING WATER CO LTD

Misting fan

A misting fan includes a fan assembly and a misting assembly. The fan assembly includes a fan housing and a fan blade assembly. The fan housing includes an air inlet guard and an air outlet guard. The air outlet guard includes a mist outlet portion and air outlet vanes, the mist outlet portion includes a mist outlet hole and air outlet holes. The misting assembly includes an atomizing member and a water tank. The water tank includes a main tank body, at least one water delivery pipeline, and an atomizing portion. Liquid in the main tank body is provided to the atomizing member through the at least one water delivery pipeline and the atomizing portion, thereby enabling the atomizing member to spray mist spray formed by atomizing the liquid from the mist outlet hole, and outlet airflow is arranged around the mist spray.
Owner:SHENZHEN SHIWU TECH CO LTD

Hardening channel algae biofilm removing system based on high-pressure jet flow and intelligent control method

The invention discloses a hardened channel algae biofilm removing system based on high-pressure jet flow and an intelligent control method. The system comprises an unmanned catamaran, a high-pressure jet generating device, an intelligent sensing module and an embedded central controller module. The unmanned catamaran is a system carrier, the high-pressure jet flow generating device achieves targeted removal of the algae biological membrane through self-adaptive jet flow, and the intelligent sensing module comprises a multispectral imager for recognizing the distribution characteristics of the biological membrane in real time and a laser distance measuring sensor for obtaining the distance between the removal system and the algae biological membrane. The embedded central controller module is a fuzzy PID algorithm for dynamically adjusting jet parameters and the motion trail of the mechanical arm and an artificial intelligence algorithm for optimizing the operation cycle based on historical data. The system adopts a full-automatic intelligent working mode, and integrates technologies of intelligent sensing, a self-adaptive cleaning mode, a water-saving algorithm, automatic nest-returning charging and the like. The system is easy and convenient to operate and low in running cost, the clearing efficiency reaches 92% or above, water is saved by 30% or above, and the system is an efficient and applicable technology for guaranteeing stable water quality and safe water delivery of the long-distance water delivery trunk canal.
Owner:INST OF AQUATIC LIFE ACAD SINICA

Deep learning-based water quality prediction method and system for trunk and branch water delivery system

The invention relates to the technical field of water quality monitoring, and discloses a deep learning-based water quality prediction method and system for a trunk and branch water delivery system, and the method comprises the steps: collecting historical monitoring data from each monitoring point of the trunk and branch water delivery system, and carrying out the preprocessing of the historical monitoring data, and obtaining the preprocessed data; the method comprises the following steps: selecting a Transform encoder as a basic model, and introducing a GNN network, a GGNN network and a cross attention mechanism to construct a water quality prediction model; training a water quality prediction model by using the preprocessed data, and performing model parameter optimization by using a grey wolf algorithm; learning a normal distribution range of water quality indexes by using a variational auto-encoder, generating a probability-based dynamic threshold interval, and when a prediction result of the water quality prediction model exceeds a threshold, sending out early warning information; according to the method, the limitation of single-dimensional modeling of a traditional model is broken through, and the early warning accuracy is improved.
Owner:INNER MONGOLIA YIN CHAO JI LIAO WATER SUPPLY CO LTD +1

Impact turbine water delivery system simulation method and device and electronic equipment

The invention provides an impulse turbine water delivery system simulation method and device and electronic equipment, and the method comprises the steps: building a mathematical model of an impulse turbine water delivery system of a variable step size grid; adopting a variable step size grid to perform grid division on the upstream water diversion pipeline of the water distribution ring and the side pipeline of the water distribution ring; determining boundary conditions of an inlet and an outlet of the pipeline based on calculation working conditions, and determining initial flow and pressure values of grid nodes according to a constant flow theory; and in combination with the initial flow and pressure values of the grid nodes, iteratively calculating the corresponding flow and pressure values of each grid node at the current moment, and determining unit side parameters at the current moment until a termination condition is met. Through the method, a certain theoretical basis and technical support are provided for safe and stable operation of the impact type unit, and the problem that it is difficult to balance pipeline calculation efficiency and calculation precision in the prior art is solved.
Owner:WUHAN UNIV