47 results about "Pondage" patented technology

The invention discloses an ecological-power generation dynamic mutual feedback regulation method for a cascade reservoir group. The method comprises: a generating capacity and an ecological assurancerate are used as objective functions of an ecological-power generation mutual feedback regulation model of a cascade reservoir group, wherein a constraint set of the ecological-power generation mutualfeedback regulation model of the cascade reservoir group includes a water balance equation, an inflow flow balance equation, an outflow flow balance equation, a water storage limit constraint, a power generation flow constraint, an outbound flow constraint and a power station output constraint and the ecological assurance rate is obtained by meeting a space-time proportion of four ecological standards including a water quality demand, a cutoff water demand, a sand flushing water demand, and an ecological water demand by a water flow condition; and on the basis of an improved non-domination sorting genetic algorithm, optimal outflow floes of all reservoirs at all periods are obtained from the ecological-power generation mutual feedback regulation model of the cascade reservoir group. According to the invention, the generating capacity and the ecological assurance rate are used as objective functions; and the influence on the ecological environment is reduced while the maximum reservoirpower generation amount is ensured.

The invention relates to a method for processing phenol-containing waste water by anaerobic-aerobic coupling biofluidized bed, firstly making the waste water enter in a regulating pondage and then enter in a biofluidized bed containing macroporous suspended carriers for aeration and degrading the waste water by the anaerobic-aerobic coupling biotreatment; then draining the degraded waste water out of the biofluidized bed, placing still, draining upper-layer standard-reaching water, discharging a small part of the lower-layer water with deposited mud and returning the large part to the biofluidized bed for continuing taking part in the waste water processing process. And it implements coupling of anaerobic and aerobic biodegradations.

The invention belongs to the technical field of drainage system equipment, and specifically relates to a reverse downstream waterpower automatic gate. The reverse downstream waterpower automatic gate comprises a buffering pool arranged inside a flow passage, a pondage regulating pool arranged at the downstream of the buffering pool, and a gate arranged between the buffering pool and the pondage regulating pool. The edges on bilateral sides of the gate and the edge at the bottom of the gate are respectively in hermetic fit with flow passage walls on bilateral sides of the flow passage. The gate is fixed on one side of a spindle. Two ends of the spindle are respectively hinged with the flow passage walls on bilateral sides of the flow passage. The reverse downstream waterpower automatic gate further comprises a floating chamber arranged inside the flow passage. The top of a lateral wall of the floating chamber facing to one side of the pondage regulating pool is provided with a water inlet communicated with the pondage regulating pool. The other side of the spindle is fixedly connected with a floating box which is arranged inside the floating chamber. The bottom of a lateral wall of the floating chamber is provided with a water outlet which is communicated with the flow passage. The gate can be opened with the help of the gravity of the floating box, without an external power or a control measure, thereby allowing the water in the buffering pool to be drained when the water level of the underground pondage regulating pool is low, accordingly achieving the flood discharge timely, and closing the gate when the water level is high.

The invention discloses a system and a method for pondage and grading purification of urban pipe network overflow sewage. The system comprises: a distributing well, wherein the distributing well is respectively communicated with a chemical enhanced treatment unit for treating high-concentration sewage in the early stage of the rain, a biochemical treatment unit for treating medium-concentration sewage in the middle stage of the rain and a pollution-resistant ecological treatment unit for treating sewage in the later stage of the rain through a pipeline, and the pipeline is provided with threecontrolled gates; and a controller for controlling the three controlled gates to automatically switch in different stages of the rain. The overflow sewage is purified in a quality grading manner in different stages, so the system and the method are suitable for the water environment treatment of drainage systems with severe urban overflow sewage and limited land, and have the functions of water purification and landscape upgrading.

The invention relates to municipal engineering, and particularly relates to a riverway diversion plugging device for hydraulic engineering and a using method thereof. A base is arranged on a riverbed,a plurality of supporting seats are arranged on the base, a liftable dam body is mounted through the supporting seats, the dam body ascends and descends, adjustment is carried out according to the water level requirement, so that the water storage amount is controlled, the dam body is supported through a dam body supporting device after being lifted, a gap is formed between the riverbed and the lower end of the dam body, due to the action of the dam body, the water level rises, and the water flow pressure intensity of the lower portion of the dam body is increased, the water flow speed is increased, the good desilting effect can be achieved, the bottom of the dam body and the riverbed are not fixed, taking-out and maintenance are convenient, the dam comprises a supporting pipe, a fillingcore is arranged in the supporting pipe, the difference value between buoyancy and gravity can be controlled by controlling the weight of the filling core, then the stability of the dam body is controlled, a corrosion-resistant layer and a waterproof layer are arranged, the good waterproof and corrosion-resistant effects are achieved, and the service life is long.

The invention discloses a hydroelectric generation device capable of being adjusted according to precipitation amount. The hydroelectric generation device comprises a box body, wherein an opening mechanism is arranged on the top wall of the box body; a right water falling groove with an upward opening is formed in the top wall of the right end of the box body; a first inclined groove with a leftward opening is fixedly formed in the left end wall of the right water falling groove; the left end wall and the right end wall of the first inclined groove are fixedly connected with inclined pipes which are symmetrically arranged left and right; a flow dividing mechanism is arranged at the first inclined groove; the ends, away from the first inclined groove, of the inclined pipes are fixedly connected with water storage rings; water pouring mechanisms are symmetrically arranged at the front ends of the left water storage ring and the right water storage ring left and right; a left water falling groove with a downward opening is formed in the left end wall of the first inclined groove; the left end wall of the left water storage ring is fixedly connected with the left water falling groove;power generation mechanisms are symmetrically arranged on the lower sides of the left water storage ring and the right water storage ring left and right; and water storage mechanisms are arranged on the bottom walls of the right water falling groove and the left water falling groove. Accumulated water can be started during rainfall, water is discharged for power generation when a certain water storage amount is reached, the flow dividing power generation mechanisms can be started when the precipitation amount is too large, and device damage caused by too large precipitation amount is prevented.

An intelligent water supply management method and system belong to the technical field of water supply management. The method comprises the following steps: predicting the future water consumption ofeach region, judging whether each region can consume the existing water storage within set time or not according to the water storage of each region, the future normal water supply and the predicted water consumption, and if not, calculating the excess water storage; if yes, calculating the lack of water storage is calculated; and scheduling the existing water storage capacity among the regions according to the surplus water storage capacity or the value of lack of water storage capacity of each region. The water storage capacity of each area region can be effectively dispatched, it is ensuredthat water in the water storage equipment is updated in time, and therefore the water quality of supplied water is ensured.

The invention relates to a water age control system for secondary water supply equipment. The water age control system comprises a flowmeter, a liquidometer, an adjusting valve, a pressure meter, a water tank and a controller, wherein the controller is separately connected to the flowmeter, the liquidometer, the adjusting valve and the pressure meter; an intelligent analyzing engine is arranged inthe controller, collects water consumption data of a plurality of months and predicts a water consumption mode curve based on the water consumption data of the plurality of months; and the controllerjudges and classifies the water consumption nature by the water consumption mode curve, calculates a water storage curve of the water tank according to the water consumption mode curve, then acquiresa water inflow curve of the water tank according to the water storage curve and the water consumption mode curve, and controls the adjusting valve in real time according to a target water inflow. Itis ensured that tap water in the water tank is adjusted dynamically.

The invention provides a pumped storage power station and new energy power generation combined optimal scheduling method and device, and belongs to the technical field of power grid and energy storage system scheduling. The method comprises the steps that a pumped storage power station and new energy stations connected with the pumped storage power station serve as a combined system, and a new energy station day-ahead generated power relative prediction error scene set is established; under the scene set, a combined system pre-scheduling model containing pumped storage power stations and new energy power generation is established and solved, and the start-stop state of each pumped storage unit at each moment in the next day and the water storage of upper and lower reservoirs at each moment in the next day in each scene are obtained; and iterative optimization is conducted on the water storage of the upper and lower reservoirs to obtain an optimal scheduling scheme for combined power generation of the pumped storage power station and the new energy stations. According to the invention, an optimal solution method is provided for solving the problem that the water head change generates nonlinear influence on the power and the flow during the scheduling of the pumped storage power station, and a more accurate pumped storage power station and new energy power generation combined optimal scheduling scheme can be obtained.

The invention provides a novel electrically controlled water supply system. The system comprises a water tower, a water inlet pipeline and a water supply pipeline, wherein the water inlet pipeline is communicated with a water pump, and the water supply pipeline is provided with a water discharging valve. The system is characterized by comprising a water level regulating rod and a conductive sleeve cylinder arranged on the water level regulating rod in a sleeving mode, the conductive sleeve cylinder and the water level regulating rod are connected with the water pump in series through wires, a float ball is fixed to the bottom end of the water level regulating rod, and the conductive sleeve cylinder is fixed to the bottom end of a spiral lifting rod through an insulation connecting rod. Compared with the prior art, the novel electrically controlled water supply system has the advantages that a water pumping circuit is automatic, when the water level in the water tower drops, the water pump can automatically pump water to the water tower, and when water in the water tower is stored enough, the water pump automatically stops pumping; an appropriate water storage amount can be set based on the water consumption condition of people in different months, so that the situations that insufficient water storage of the water tower does not satisfy water use demands, and excessive water storage results in too long water storage updating time and influences the water quality are avoided.

The invention discloses a secondary water supply optimization method for reducing municipal pipe network pressure, which comprises the following steps: S1, collecting historical water supply data, and calculating to obtain a daily water consumption reference curve and a water consumption peak time period; s2, taking the time that the starting time of the water consumption peak period is advanced by a certain advance time amount as the preposed time, and fully storing the water tank in advance from the preposed time; and S3, carrying out peak shifting water inflow stabilizing operation according to the actual water storage amount of the water tank in the water consumption peak period. The invention further discloses a device which comprises a control center, a regulating valve, a flow meter and a liquid level meter. According to the method, a daily water reference curve and daily average water flow are calculated according to historical water supply data, average water replenishing flow is calculated on the basis of the daily average water flow, a water tank is fully filled with the average water replenishing flow in advance before the peak water consumption period, and peak shifting water inflow stabilizing operation is carried out by fully utilizing the adjustable water storage volume of the water tank in the peak water consumption period; therefore, the pressure of a water pipe network during the peak period of water consumption is reduced, water pressure and water flow velocity fluctuation in the pipe network are reduced, and energy consumption is saved.

An urban water supply dynamic prediction, early warning and analysis method is characterized by comprising the following steps of: S10, constructing supply and demand early warning models between a plurality of reservoirs and a plurality of water supply plants according to the water supply scale, the water supply reservoirs, the water supply rules and the water diversion rule information of each water supply plant; S20: according to the real-time water storage of each reservoir, calculating the water storage of the plurality of reservoirs day by day in a rolling manner by combining the water inflow, the water diversion quantity, the water abandoning quantity, the water supply quantity of the water plant and the ecological water consumption of the reservoirs; S30, outputting the predicted water supply days of the reservoir / water plant according to the supply and demand early warning model, and performing early warning; and S40, outputting the reservoir water storage capacity of the reservoir in the future time according to the supply and demand early warning model. In the application, a traditional reservoir-water plant single-line analysis mode is changed, N-N relation network construction is performed on all water sources (reservoirs and rivers), diversion projects and water supply plants in a certain area, and full-network bidirectional linkage analysis of water resource supply and demand early warning is realized.

The invention relates to a pondage device (1) including a dam (2) and an improvement (3), arranged downstream from said dam, referred to as a “downstream improvement”. Said device is characterised in that it includes at least one flexible cylinder (4) positioned between said dam (2) and said improvement (3), and in that said flexible cylinder (4) includes a chamber (41) inside of which water is stored, said chamber being at least partially defined by a deformable membrane (40), said chamber (41) being kept under pressure by pressurisation means (5).

The invention discloses a method for measuring and calculating the stored energy of a riverway type reservoir considering the influence of backwater, which is characterized in that the water storage of the riverway type reservoir is calculated based on station network layout and the topographic features of the riverway, the total stored energy of the reservoir is calculated through a water consumption rate curve, and the method comprises three links of section division, water storage calculation and stored energy conversion. The real-time reservoir water storage amount can be calculated according to the dynamic water surface line; according to the method, the dynamic reservoir capacity error caused by the reservoir backwater influence can be effectively reduced, a more accurate calculation result of the total water storage amount is obtained, and more accurate calculation of the total water storage amount is realized, so that the safety of a power grid is guaranteed and medium-and-long-term scheduling of the reservoir is guided.

A remote sensing-based dynamic estimation method for the outflow process of an ungauged free overflow reservoir comprising the following steps: estimating the storage volumes of the water reservoir at different water levels from the water level-area relation curve of the water reservoir by using a digital elevation model, and thereby establishing an area-storage volume relation curve of the water reservoir; obtaining the storage volumes of the water reservoir at the corresponding times; obtaining the change of the storage volume of the water reservoir through accumulative calculation on the change of the storage volume in the time periods corresponding to the two remote sensing images; gradually approximating an outflow coefficient of the water reservoir by using a bisection method; taking the final approximation result as the outflow coefficient of the ungauged reservoir, and calculating the outflow process of the water reservoir during floods.

The invention provides a reservoir water supplementing potential prediction method and device, and electronic equipment, and relates to the technical field of water quantity scheduling. The reservoirwater supplementing potential prediction method comprises the steps of obtaining first flow information of the upstream of a to-be-analyzed reservoir; predicting the total flow of the reservoir to beanalyzed in the ecological water supplementing scheduling period based on the first flow information; obtaining the current water storage capacity of the to-be-analyzed reservoir and the total water consumption of the drainage basin in the ecological water supplementing scheduling period; and predicting the water supplementing potential of the to-be-analyzed reservoir according to the total flow,the current water storage capacity and the total water consumption. According to the technical scheme provided by the embodiment of the invention, the calculation accuracy of the reservoir ecologicalwater supplementing potential can be improved.

The invention discloses a dam body structure, a component and a reservoir and relates to the technical field of water conservancy engineering. The dam body structure comprises a top plate and a bottomplate which are horizontally arranged, wherein the top plate is arranged above the bottom plate, and a side baffle is obliquely arranged between the top plate and the bottom plate. The top end of theside baffle is connected with the left end of the top plate, the bottom end of the side baffle is connected with the left end of the bottom plate, and the included angle between the side baffle and the bottom plate is an acute angle. After a dam body of a reservoir adopts the dam body structure, the dam body can increase the water storage capacity of the reservoir and improve the utilization rateof water sources under the condition that the total occupied areas of the dam body, the reservoir and a mountain are the same; on the other hand, the dam body structure not only can be prefabricatedinto the component, is convenient to install without piling up any dam body on site, and reduces the labor intensity of personnel, but also can save manufacturing materials and reduce the engineeringcost; and meanwhile, the personnel can also walk on the top plate.

The invention discloses a multi-purpose water craft. By adoption of the water craft, cargos and living aquatic products can be transported, the anti-wave capacity can further be improved, and the defect that water crafts have large jolt during rough sea is effectively improved. The water craft comprises a ship, a flowing water cabin located at the bottom of the ship, a water storage cabin located above the flowing water cabin and a cargo cabin located above the flowing water cabin. The flowing water cabin extends in the ship length direction. The head of the ship is provided with a bow water inlet communicating with the flowing water cabin. The left side and right side of the ship are provided with flowing water holes both communicating with the flowing water cabin. The bow water inlet and the flowing water holes are all internally provided with filter nets. The water storage cabin adjusts the draught depth of the ship through the pondage.

The invention provides a rainfall flood prediction scheduling method and device, electronic equipment and a machine readable storage medium, and relates to the technical field of rainfall flood scheduling. The method comprises the following steps: acquiring predicted rainfall data of a to-be-predicted region before rainfall; determining to-be-discharged rainfall based on the predicted rainfall data and a pre-established rainstorm flood management model, wherein the rainfall to be discharged comprises rainfall flowing into a pipe network and / or rivers and lakes; and scheduling a pump station corresponding to the pipe network and / or a gate corresponding to the river and the lake based on the to-be-discharged rainfall, the first water storage capacity of the pipe network and the second water storage capacity of the river and the lake. The pump stations corresponding to the pipe network and / or the gates corresponding to the rivers and lakes can be scheduled in advance, waterlogging disasters such as flood are avoided, and safety is improved.

The invention discloses an automatic optimization power generation control system based on a water level change rate. The system reads the real-time data from a monitoring system, carries out calculation and analysis, carries out the condition judgment at regular time, and transmits the control operations, such as starting, stopping, load adjustment, etc., to the monitoring system, and the monitoring system issues the control operations to an in-situ control unit LCU for unit power generation control. The load adjustment control is conducted according to a water balance principle that the difference of the reservoir-in water quantity and the reservoir-out water quantity is equal to change of the water storage quantity of a reservoir, if the water level rises, it shows that the reservoir-out water quantity is smaller than the reservoir-in water quantity, and under the condition that a water head is normal, load can be increased properly; if the water level drops, it shows that the output water volume is larger than the input water volume, and when the water level is smaller than a limit value, the load can be reduced according to the water level dropping rate, and according to the principle, the hour change rate of the water level is calculated under the current load condition. The automatic optimization power generation control system of the invention provides a powerful guarantee for realizing the unattended operation and few-person on-duty operation of a hydropower station.

The invention discloses a serial channel control mode based on multi-drainage pool storage balance. When the flow of drainage pools changes, the upstream and downstream water level is recalculated. This assumes that the hydraulic slope and the bottom slope along the drainage pools are not changed, and the flow profile is linear; when the water storage of the drainage pools changes, the average variation of water depths of the drainage pools is calculated; and the openings of all gates are calculated according to new target flow and expected upstream and downstream water depths. According to the serial channel control mode, relatively stable water storage of multiple drainage pools can be kept at any time; the equal downstream water depth of all of the drainage pools is guaranteed, and convenience is provided for actual operation and monitoring; the accuracy in control is increased; and the response speed of channels and the stability of the control system are increased.