2723 results about "Water delivery" patented technology

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.

The present invention discloses a multi-modal system for real-time plant hydration monitoring and irrigation management. The system comprises at least one acoustic sensor configured to emit controlled sound waves through plant tissues and detect corresponding vibrations and resonance frequencies using sensitive microphones or piezoelectric sensors to assess plant hydration. The system includes at least one bioelectrical sensor for monitoring bioelectrical signals. At least one nanotechnology-based sensor is configured to detect molecular changes in water content within plant cells through embedded or externally applied nanosensors. An aerial imaging device mounted on an unmanned aerial vehicle captures data related to canopy temperature, leaf color, and hydration indicators using infrared, multi-spectral, and thermal cameras. A central processing unit receives and analyzes data using predictive models, integrates the data via data fusion algorithm to generate a plant hydration profile, and controls water delivery through an irrigation management unit based on the hydration profile.

The invention provides an intelligent irrigation district management method and system based on the Internet of Things, and the method comprises the steps: obtaining the real-time irrigation water amount and water pump energy consumption data of each water conveyance channel in a target irrigation district; according to the real-time irrigation water amount and the water pump energy consumption data, generating a dynamic water resource supply and demand relation graph; determining a target water delivery channel corresponding to the water resource transaction request of the water consumption terminal of each irrigation area from a target irrigation area, and if any target water delivery channel has a condition that a water pump is overloaded or a deposition diffusion coefficient value is greater than a preset diffusion coefficient threshold value, determining the water resource transaction request of the water consumption terminal of each irrigation area based on a dynamic water price adjustment rule and a dynamic water resource supply and demand relationship graph, generating a water resource transaction price of the target water conveyance channel; and according to the water resource transaction prices of all the target water conveyance channels and the node states in the dynamic water resource supply and demand relationship graph, generating target water conveyance optimization parameters of each target water conveyance channel. The water resource allocation efficiency of the irrigation area and the operation stability of the water conveying system are improved.

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.

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.

The utility model belongs to the field of irrigation, particularly relates to photovoltaic agricultural irrigation equipment, and provides the following scheme aiming at the problems that the existing irrigation equipment is usually single in effect, most of the existing irrigation equipment can only spray and irrigate appointed positions, and the spraying angle is difficult to adjust: the photovoltaic agricultural irrigation equipment comprises a main frame, the main frame comprises a chassis and a hollow column fixedly arranged at the top of the chassis, the top end of the hollow column rotationally communicates with an outer pipe, the top end of the outer pipe fixedly communicates with a communicating cylinder, and one side of the hollow column fixedly communicates with an input pipe; the photovoltaic module is used for collecting energy and rotating the outer pipe, the water conveying pipe is communicated with the input pipe, and then electricity is generated through the photovoltaic module and stored so that a power source can be provided for a follow-up water suction pump and a servo motor; the effect of farmland irrigation is achieved through cooperation of the water suction pump and the servo motor and the irrigation assembly, and the angle of each spray head can be independently adjusted, so that the irrigation range is controlled.

The utility model discloses a water delivery PCCP (prestressed concrete cylinder pipe) fixing device, which belongs to the technical field of PCCP fixing, and comprises an annular steel belt, a locking component, a through hole and a steel wire rope, when the steel wire rope is used for grouting, mortar can be gathered downwards along the steel wire rope by repeatedly pulling the steel wire rope at the two ends of the steel wire rope, and the steel wire rope can be used for fixing the PCCP. Through the arrangement of the through holes, the vibrating effect can be achieved, mortar filling is more uniform, in the repeated drawing process of the steel wire rope, air in the filling gaps can be discharged outwards from the gaps between the through holes and the steel wire rope, mortar filling is more convenient, drawing can be more convenient through the arrangement of the drawing handle, and the practicability is high. And by arranging the sliding wheels, the steel wire rope can be pulled more smoothly when being pulled repeatedly, so that the pulling resistance is reduced, and the operation is more convenient.

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.

The invention belongs to the technical field of pump testing, and provides a gas-liquid two-phase flow pump closed test device and method, the device mainly comprises a water tank, a water delivery pipeline, a gas-water uniform mixer, a water return pipeline, an oil tank, an oil delivery pipeline, an oil-gas uniform mixer, an oil return pipeline and a gas delivery pipeline; the water tank serves as a water source storage unit, an inlet of the water tank is connected with the water conveying pipeline, and water is led out and conveyed to the testing platform. And the outlet of the water return pipeline is connected with the water tank. And the gas-water uniform mixer is mounted on the water conveying pipeline. The design of two test loops is adopted, the two test loops are used for testing the gas-water mixing working condition and the oil-gas mixing working condition respectively, the performance test of the gas-liquid two-phase flow pump corresponding to the two working conditions in actual production is simulated, the deviation caused by performance conversion only after the clean water test is adopted is avoided, and the pump performance test precision is improved.

This application relates to the technical field of pipelines and discloses a water filtration pipeline, comprising a pipeline body, the pipeline body including a water delivery unit and a filter unit, the filter unit being connected and communicating between the two water delivery units; the filter unit including two main pipes and two branch pipes, the two main pipes being connected to the two water delivery units, the two branch pipes being located between the two main pipes, and the two ends of each branch pipe being connected to the two main pipes, the connection point between the branch pipes and the main pipes being a communication port; each main pipe has a movable blocking seat, and the filter unit has an adjustment device for driving the blocking seat to move; the branch pipes are used to place filter material, and each branch pipe has a material exchange port connected to the branch pipe for replacing the filter material. The branch pipes are detachably mounted with an opening and closing seat at the material exchange port for opening and closing the opening. This application can reduce the impact of replacing filter material on production efficiency.

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.

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.

The present invention provides a high-salt wastewater membrane softening and hardness reduction device, which relates to the technical field of wastewater treatment, comprising a water delivery platform, wherein a water inlet pipe is fixed to the top of the outermost end of the water delivery platform, and four groups of evaporation boxes are equidistantly fixed to the other end of the water delivery platform, and an evaporation plate is rotatably installed inside the evaporation box through a bearing, the water delivery platform is connected with the evaporation box at the top of the evaporation plate through a pipeline, and the evaporation box is provided with a push-out assembly at the position of the evaporation plate at the bottom of the evaporation plate, and the push-out assembly comprises an upper scraper and a lower scraper, and the upper scraper and the lower scraper are both embedded in the inner wall of the evaporation box on the side close to the water delivery platform. Compared with the prior art, multiple groups of evaporation boxes and vertical pipes are connected to the tubular membrane assembly to separate the wastewater for evaporation and crystallization, thereby improving the efficiency, and the generated water vapor is filtered by the tubular membrane assembly, and the bottom of the evaporation box and the inside of the vertical pipe can be cleaned in time by the push-out assembly and the cleaning assembly to discharge the precipitate, thereby avoiding affecting the wastewater treatment efficiency.

The invention provides an air tank for relieving the positive pressure of a pipeline and an application method thereof, a first connecting pipe and a second connecting pipe are arranged between the bottom of the air tank for relieving the positive pressure of the pipeline and a pressure pipeline in a communicating mode, and a one-way damping device is installed in the first connecting pipe. The invention discloses an air tank for relieving pipeline positive pressure and an application method thereof, a double-connecting-pipe air tank with different bottom connection forms is designed, through combination with a one-way damping device, the impedance loss of the bottom of the air tank and the on-way loss of connecting pipes are changed, and the difficulty of water flowing into and out of the air tank is controlled; the water level of the air tank is adjusted, and the situation that the positive pressure in the pipeline exceeds the standard is effectively relieved. According to the method, under the condition that the size of the air tank is not changed, the phenomena that the pressure in the pipeline exceeds the standard and the water level of the air tank exceeds the range are avoided by adjusting the sizes of the connecting pipe and the valve, certain economic benefits are achieved, and support is provided for safe and stable operation and optimization of a pump station water conveying system.

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses a water conveyance canal lining plate anti-floating stability online intelligent diagnosis and automatic early warning device and method. The device comprises a high-sensitivity water pressure sensor, an automatic water level gauge, a canal section geologic structure parameter acquisition module, a monitoring and diagnosis early warning controller and a remote monitoring terminal. The high-sensitivity water pressure sensor is arranged below the water surface of a first-stage riding track monitoring well of the water conveyance canal, the automatic water level gauge is arranged in inner side canal water, the monitoring and diagnosis early warning controller is in communication connection with the high-sensitivity water pressure sensor and the automatic water level gauge, and the remote monitoring terminal is in communication connection with the monitoring and diagnosis early warning controller. According to the method, the underground water level of the first-level riding track, the water level of the channel and the geological structure parameters of the channel section are collected in real time, an analytic formula method based on Dupuff assumption is innovatively provided for calculating the characteristic water depth of the underground water infiltration line of the channel slope, and the preset critical pressure difference judgment standard is combined; on-line monitoring, intelligent diagnosis and automatic early warning of the anti-floating stable state of the lining plate of the water delivery canal and the replacement fill stratum can be achieved.

The invention discloses a multi-pump unit energy-saving operation regulation and control method based on data assimilation. The method comprises the steps that water conveyance project design data and water conveyance project operation monitoring data are extracted; a hydraulic steady-state model is constructed, parameter calibration is carried out, and a pipeline resistance characteristic curve is drawn; converting the water pump characteristic curve into a water pump third area total characteristic curve; establishing an optimization model: calculating an actual working point of a water pump through optimization parameters to obtain the energy consumption of the water delivery system according to the target that the energy consumption of the water delivery system is minimum; different intelligent optimization algorithms are adopted to solve the optimization model at the same time, and optimal parameters are obtained; different flow requirements are input, and corresponding flow optimization regulation and control parameter data samples are formed; and training the optimization model and predicting flow optimization adjustment parameters under different conditions. According to the method, actually-measured data is considered to be used for hydraulic parameter calibration, the accuracy of the optimization model is greatly improved, meanwhile, optimization regulation and control parameters under different flows are calculated through the optimization model, and quick response is achieved.

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.

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.

The invention discloses an irrigation area water resource supply and demand balance calculation and analysis method and system, and relates to the field of water resource distribution, and the method comprises the steps: obtaining the geographic position information of all water sources and water conveyance channels in a target irrigation area, and calculating a confluence point on a main water conveyance channel in the target irrigation area as a key water conveyance node; calculating water delivery path characteristic parameters from each water source to the key water delivery node according to the geographic position of the key water delivery node; the water source with the shortest water conveying path and the maximum water supply capacity serves as a main water source, the other water sources serve as auxiliary water sources, and the target water supply flow of each water source is calculated; calculating the movement time from the main water source and the auxiliary water source to the key node, and controlling the starting time of the auxiliary water source to be later than the T2-T1 time of the main water source; the starting sequence of the main water source and the auxiliary water source is controlled according to the movement time, and the flow ratio of the main water source to the auxiliary water source is dynamically adjusted according to the real-time monitoring data of the key water conveying node and the target water supply flow. By implementing the method, the water resource conveying efficiency can be improved.

The utility model relates to the technical field of cooling water treatment, and discloses a casting machine cooling water treatment device which comprises a water tank, a top plate is fixedly connected to the upper portion in the water tank, a filtering mechanism is arranged above the top plate, and a fixing plate is fixedly connected to the position, located on the right side of the lower portion of the top plate, in the water tank. The water tank is internally provided with a fixing plate, the fixing plate divides the interior of the water tank into two cavities, and a first refrigerator is arranged at the bottom end of the interior of the water tank and located in the cavity on the left side of the fixing plate. And the sprayed cooling water makes contact with the casting, the temperature rises to form warm water, the warm water falls into a cavity, on the right side of the fixing plate, in the water tank, the sprayed warm water is fully refrigerated and used for circulating spraying again, the cooling efficiency is improved, and the cooling effect is good.

The utility model relates to a self-stress concrete steel pipe, which is applied to the technical field of water delivery pipelines, and comprises a steel pipe and a concrete lining, and the concrete lining is arranged on the inner side of the steel pipe. The annular concrete lining is poured in the steel pipe, the concrete lining is formed by mixing the cement with the self-expansion performance, in the curing process of the concrete lining, the self-stress cement is hydrated to generate an expansion component, the size of the concrete lining is increased, therefore, tensile stress is generated in the steel pipe, and pressure stress is generated in the concrete lining; the pipeline manufactured in this way has the capacity of bearing internal water pressure and external load at the same time, and the use amount of steel is reduced.

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.