90 results about "Reservoir storage" patented technology

This invention contemplates a toothbrush construction which features a novel and unique assembly of parts comprising (1) an elongate handle end and (2) a disposable bristle containing end, said handle end serving as a reservoir storage place for music generating components; said disposable bristle containing end and handle end being constructed and arranged for end to end engagement and securement, said hollow handle serving as a reservoir / storage place for music generating components and having on its outer surface a solar panel for collecting energy suitable for powering the music generating components within, all to assist in the promotion of a healthy tooth brushing ritual.

The invention relates to a construction method for a gas storage reservoir in a rock salt cavity, belongs to the salt mine mining and the rock salt cavity utilization fields, and mainly used for the dissolution construction of an underground gas storage reservoir in a eutectic salt deposit. The construction method is characterized in that a method for down-flow type gas storage reservoir construction comprises the following steps: fresh water is infused into a salt deposit by a water injection pump and through a water injection pipe, the rock salt is dissolved from up to down, and at the same time, the natural gas is infused; the expenses for oil consumption of the original oil cushion method and the cost for brine purification treatment can be saved by using the method; and the method is more economical and more environment-friendly. The gas storage reservoir can be used from the beginning of construction; the single well oil cushion method with three to five years of construction cycle is not required for constructing the gas storage reservoir; the construction of the gas storage reservoir needs no cycle basically; the reservoir storage capacity is small in the beginning period; the gas storage reservoir can be used as a large gas storage reservoir in the middle and the late periods; the problems of long period for the construction of the gas storage reservoir by using the oil cushion method, difficult detection of the oil water interface, as well as other relative technical problems are thoroughly solved; and the construction method is an ideal method for rapid dissolution construction of the gas storage reservoir in the rock salt deposit.

A reservoir water storage amount remote sensing and ground concurrent monitoring method is as follows: multi-period reservoir water monitoring remote sensing images can be acquired from archived satellite data sources, and the remote sensing images can be pretreated; reservoir water surface area can be extracted from the pretreated remote sensing images; ground synchronous monitoring reservoir water level can be acquired from a ground monitoring station; a correctional relation curve of the reservoir water level and the reservoir water surface area can be established; according to the correctional relation curve of the reservoir water level and the reservoir water surface area, a correctional relation curve of the reservoir water level and reservoir storage capacity can be acquired; when a new satellite data source is available, the above steps are repeated, the relation curve of the reservoir water level and the reservoir storage capacity can be updated and corrected; the reservoir water level can be monitored by the ground monitoring station, and the reservoir water storage capacity corresponding to the monitoring water level can be obtained by conversion according to the corrected relation curve of the reservoir water level and the reservoir storage capacity. The reservoir water storage amount remote sensing and ground concurrent monitoring method can effectively eliminate the influence of the characteristic curve changes of the reservoir after a long time running on reservoir water storage amount, and improves the accuracy of the reservoir water storage condition monitoring.

The invention discloses a method for improving an oil reservoir exploitation effect by utilizing discrete fracture endpoint deformation numerical simulation. The method comprises the following steps of dividing an oil reservoir storage body into a continuous medium and a discrete medium according to a characteristic scale; deforming the end part of a discrete fracture from a square shape into a pointed shape to eliminate tiny grids, establishing rock stratum surface grids, and establishing three-dimensional oil reservoir grids; inputting measured oil reservoir parameters such as porosity, permeability and water saturation into a simulator, wherein a real value rather than a grid display value is used for the width of the discrete fracture; correcting the oil reservoir parameters by using a history matching method; and measuring and calculating the well productivity, residual oil and gas reserves and the distribution positions of residual oil and gas, and making a subsequent oil reservoir exploitation plan. According to the method, a discrete fracture numerical simulator can be prevented from measurement and calculation interruption and failures, the whole links of oil reservoir exploitation can be actually measured and calculated to improve the measurement and calculation accuracy of the well productivity and the residual oil and gas distribution of an oil reservoir, and a more effective development plan can be made to improve the oil reservoir exploitation effect.

The invention provides a characterization method of a pore structure of a shale gas reservoir and an evaluation method of the shale gas reservoir and relates to the technical field of natural gas exploration. The characterization method of the pore structure of the shale gas reservoir comprises the following steps: determining a pore diameter boundary of a pore throat radius capable of being characterized by an adsorption method and a high-pressure mercury intrusion method; splicing a pore structure which is measured by the adsorption method and is located below the pore diameter boundary with a pore structure which is measured by the high-pressure mercury intrusion method and is located above the pore diameter boundary, so as to obtain pore structure characteristics of a shale gas micro-reservoir. According to the method provided by the invention, the pore structure characteristics of a full-aperture section can be characterized and a characterization result is more accurate. The evaluation method of the shale gas reservoir comprises the following step of evaluating the shale gas reservoir by utilizing a result obtained by the characterization method of the pore structure of the shale gas reservoir. The pore structure characteristics of the full-aperture section are tested by the characterization method of the pore structure of the shale gas reservoir and the characterization result is more accurate and has an active effect on a gas reservoir storage capability of the shale gas reservoir.

The invention discloses a refuse landfill obnoxious gas in-situ control method, belonging to the filed of environmental protection. The method comprises the following steps: evenly mixing 20-100 parts of obnoxious in-situ control cover material by weight with 0.1-80 parts of refuse landfill covering soil by weight to obtain refuse landfill obnoxious in-situ control covering soil; adding 0.1-10 parts of deodorizing microbial inoculum by weight into the refuse landfill obnoxious in-situ control covering soil, then evenly mixing; and taking the conditioned refuse landfill obnoxious in-situ control covering soil as daily covering soil, intermediate covering soil or final covering soil to cover the surface of filled refuse or the surface layer of the covering soil, leveling and appropriately compacting. The method can effectively improve and condition the obnoxious pollution control effect during the refuse landfill process, thereby reducing the use amount of filled covering soil, saving effective reservoir storage capacity and prolonging the service life of the refuse landfill; and the method utilizes waste to treat refuse, realizes emission reduction of the obnoxious gas and breaks a new way for recycling utilization of agriculture and municipal administration solid waste, thus having obvious social, environmental and economical benefits.

This invention discloses ocean tide power generation equipment and method, which contains V-shape check dam, overtopped dam, water storage reservoir, drainage reservoir, water intake gate, drainage sluice and power generator set. When the ocean is on the tide, open intake gate, close sluice in ebb, use the water level difference to generate electricity. Said V-shape check dam can collect sea water as the tide is small. Said invention has low cost and stable operation.

The present invention includes a method for distinguishing between a natural source of deep gas and gas leaking from a CO2 storage reservoir at a near surface formation comprising: obtaining one or more surface or near surface geological samples; measuring a CO2, an O2, a CH4, and an N2 level from the surface or near surface geological sample; determining the water vapor content at or above the surface or near surface geological samples; normalizing the gas mixture of the CO2, the O2, the CH4, the N2 and the water vapor content to 100% by volume or 1 atmospheric total pressure; determining: a ratio of CO2 versus N2; and a ratio of CO2 to N2, wherein if the ratio is greater than that produced by a natural source of deep gas CO2 or deep gas methane oxidizing to CO2, the ratio is indicative of gas leaking from a CO2 storage reservoir.

The invention discloses a high-precision flood regulating calculation method based on an optimization algorithm. The method comprises the following steps: 1, obtaining a relation function between the reservoir water level Z and the reservoir storage capacity V, i.e. V=f(Z); 2, deducing a corresponding relation between discharged flow q and head on weirs H0; 3, obtaining a corresponding relation between the discharged flow q and the reservoir water level Z; 4, obtaining a reservoir storage and discharge equation q=f(V); 5, deducing a corresponding relation between the reservoir storage capacity V and the discharged flow q according to the reservoir storage and discharge equation, i.e. V=g(q); 6, obtaining a mathematical model with an optimal outflow according to a water amount balance equation and the corresponding relation between the reservoir storage capacity and the discharged flow; 7, solving the mathematical optimal model in the step 6 by adopting the optimization algorithm to obtain the optimal outflow at each moment; 8, implementing high-precision flood regulating calculation. The high-precision flood regulating calculation method based on the optimization algorithm can solve the problem of low precision, so that the precision of a flood regulating calculation can be obviously improved, and the calculation is convenient.

The invention discloses a rapid environment-friendly heavy soil metal pollution treatment and purification system. The system comprises a screen-replaceable rotary screen, a hydrocyclone, a sprinkling stirring tank, a reaction tank, a sedimentation basin, a regulating reservoir reaction region, a regulating reservoir storage region and a plate-and-frame filter press. The screen-replaceable rotary screen, the hydrocyclone, the sprinkling stirring tank, the reaction tank, the sedimentation basin, the regulating reservoir reaction region and the regulating reservoir storage region are sequentially connected. The regulating reservoir storage region is connected with the sprinkling stirring tank. The reaction tank and the sedimentation basin are connected with the plate-and-frame filter press. A backflow channel is arranged between the hydrocyclone and the screen-replaceable rotary screen. The system has the beneficial effects of being high in efficiency, quick, environmentally friendly, capable of achieving engineering treatment easily and the like, the purification effect on soil with heavy metal pollution and work efficiency can be remarkably improved, no wastewater is drained from the whole system, the environment-friendly benefit is achieved, the important technique and equipment are provided for heavy soil metal pollution restoration work of China, and social and environmental benefits are remarkable.

The invention provides a method for measuring the reservoir storage capacity of an underground water-seal cave depot. The method includes the following steps that an underground water-seal cave depot measurement control network is established; after the measurement control network is established, measuring parameters of the cross section of the underground water-seal cave depot are defined and the underground water-seal cave depot is scanned; after the scanned data are managed, three-dimensional data of the underground water-seal cave depot are finally obtained; three-dimensional modeling forming is conducted on the three-dimensional data of the underground water-seal cave depot, namely, a plurality of adjacent triangulation networks are established, so that a solid model is constructed and sectioned according to the defined axis vertical direction to form the cross section with the corresponding height; the area of the cross section multiplied by a corresponding and equal height value is computed to obtain the volume of the cross section, the total reservoir storage capacity of the underground water-seal cave depot is obtained according to the total height of the measured underground water-seal cave depot, and the precise volume of the reservoir storage capacity of the underground water-seal cave depot is obtained through adjustment of measured point location precision and measured point location density of the cross section of the underground water-seal cave depot.

The invention discloses a risk hedging decision-making method for reservoir flood resource utilization considering the influence of forecast uncertainty. The method comprises the following steps: dividing a flood control stage and a profit-making stage according to the relative magnitude relationship between forecast incoming water and water demand, and counting two-stage forecast error parameterconditions; defining flood control risk in flood control phase and water shortage risk in water supply phase; establishing a two-stage risk hedging model for reservoir flood resources utilization; under the given input condition of model parameters, deducing the analytical rules of reservoir storage capacity with intermediate variable of flood control and water supply conversion by using the first-order optimality condition; outputting the function diagram of flood resource utilization risk hedging analytical rule and the result of dispatching objective function under different incoming waterconditions. The method quantifies the two-stage risk characterization mode of flood control and water supply, can analyze the functional relationship between each main influencing factor and the storage capacity, can reduce the sum of the risk losses of flood control and water shortage, and can comprehensively coordinate the objective contradiction of flood control and profit promotion in reservoir flood season dispatching.

The invention discloses a water and soil resource keeping method and a distributed steel storage reservoir in a karst region. Multiple steel storage reservoirs are distributed on a karst mountain, a water outlet of an upper steel storage reservoir is communicated with a water inlet of a lower steel storage reservoir through a pipeline, and a valve is arranged on the pipeline; a dredging channel and a sealing door are formed and arranged at the bottom of each steel storage reservoir; a backflow channel which is communicated with the steel storage reservoirs is formed in the karst mountain. By using the water and soil resource keeping method, the purpose of collecting layered muddy water in the karst region can be realized, and silt can be laid on slope protection again, so as to achieve the purpose of keeping water and soil without loss. Water resources are stored, combined dispatching and optimal management of the water resources can be performed in the karst region, the problem of engineering water shortage is solved, and appropriate local planting management is combined, so that an obvious effect is achieved.

The invention discloses a method for estimating the storage capacity of small and medium-sized reservoirs in a data-free area. The method comprises the following steps of: calculating a flow directionand a confluence accumulation value of each grid above a reservoir outlet point by utilizing drainage basin DEM data; extracting riverway grids in the drainage basin; dividing the watershed river channel grids into reservoir area river channel grids and non-reservoir area river channel grids; extracting upstream grids corresponding to the non-reservoir area river channel grids; fitting elevation-distance curves of non-reservoir area river channel grids; weighting the elevation-distance curve of each non-reservoir area river channel grid, and solving the elevation-distance curves of the reservoir area river channel grids; based on the elevation-distance curves of the reservoir area river channel grids, obtaining elevation correction values of the reservoir area river channel grids; counting the non-reservoir area river channel grids, and solving elevation correction values of the non-reservoir area river channel grids; setting the reservoir surface water level, and calculating the reservoir storage capacity according to the reservoir area elevation correction values. The method has the advantages of being stable and reliable in data source, high in calculation efficiency, objectiveand reasonable in result and the like, and facilitates rapid estimation of small and medium-sized reservoir storage capacity in the data-free area.

The invention provides an open-pit coal mine underground reservoir water storage body. The water storage body is formed by stacking 2-6 rows of prefabricated pipe culverts from the reservoir bottom ofan underground reservoir to the top in a staggered mode, stacking gaps among the prefabricated pipe culverts are filled with gravels or rubble, a plurality of rows of culvert holes are formed in theprefabricated pipe culverts, and 4-8 culvert holes are formed in each row and uniformly formed in the same circumference of the corresponding prefabricated pipe culvert, a center hole is formed in every two culvert hole rows, water diversion among all the prefabricated pipe culverts is facilitated, and the outer walls of the prefabricated pipe culverts located at the peripheral boundary of the underground reservoir are not provided with culvert holes to ensure the effective water storage of the underground reservoir. The invention further provides the open-pit coal mine underground reservoir with the prefabricated pipe culverts as the water storage body and a storage capacity calculation method of the underground reservoir. The open-pit coal mine underground reservoir with the prefabricated pipe culverts as the water storage body is large in storage capacity and stable in structure, and the storage capacity is convenient and accurate to calculate.

The invention discloses an effective reservoir storage capacity determining method meeting the requirements of human and ecology, which comprises the following steps of: firstly, determining key parameter values (a planned ecological flow rate in a flood period, a starting point of a high-pulse flow rate and a minimum ecological water requirement) of an ecological flow rate required by a river, dividing an inflow current into four intervals according to an inflow current rate of a reservoir, and taking different ecological flow rate processes when the flow rate is within different intervals so as to meet the requirements on different ecological flow rates in different flow rate periods; secondly, through analogue computation, determining a maximum available water supply supplied to the human under the condition of meeting the planned ecological flow rate process; and finally, selecting the planned water supply in the range of the available water supply, and combining the planned water supply with the planned ecological flow rate process to obtain the effective reservoir storage capacity simultaneously meeting the requirements of the planned water supply and the planned ecological flow rate through a sequent-peak algorithm meeting the requirements of human and ecological water supply. Through the effective reservoir storage capacity determining method, planned water supply can be supplied to the human and the ecological flow rate needed by a river ecosystem can be supplied according to the human water needs and ecological water needs simultaneously, and the health of the river ecosystem is effectively protected.

The invention relates to a method for classifying storage spaces of a compact reservoir and a conventional reservoir, and belongs to the field of oil exploration. The method can be used for classifying the storage spaces of the compact reservoir and the conventional reservoir, and comprises the steps as follows: performing porosity, permeability and mercury injection experiments on reservoir samples of target intervals in research areas; based on experimental analysis results of porosity and mercury injection, determining the porosity value, permeability value and pore size of the samples to be in ranges of being smaller than 100 nm, 100-1000 nm and larger than 1000 nm respectively according to the percentage of the hole-throat communication pore volume accounting for the total pore volume; drawing a crossplot of the percentage of the hole-throat communication pore volume accounting for the total pore volume in the three pore size ranges with porosity and permeability respectively, anddetermining an inflection point and an intersection point of the percentage of the hole-throat communication pore volume accounting for the total pore volume of holes in each pore size range with change trend lines of porosity and permeability; classifying the reservoir storage spaces of the target intervals according to the porosity and permeability value corresponding to the inflection point and intersection point.

The present invention provides a coal mine underground reservoir storage coefficient measurement device. The device comprises a test case internally provided with a similar simulation material rock, one side of the test case is connected with a water duct, the other side of the test case is connected with a water outlet pipeline, the water duct is connected with a water storage sump, the water duct is provided with an electric control automation water check valve, the water outlet pipeline is connected with a water storage capacity monitoring device, a compression plate is arranged at the top of the test case, the compression plate is connected with a compression rod, the compression rod is hinged at a lever, one end of the lever is hinged on a support frame at the upper portion of the test case, the other end of the lever is connected with a compression device, the compression device is provided with a pressure monitoring device, the support frame is provided with a displacement monitoring device to monitor the displacement amount of the compression plate, and the electric control automation water check valve, the water storage capacity monitoring device, the pressure monitoring device and the displacement monitoring device are connected with a computer. The coal mine underground reservoir storage coefficient measurement device can really simulate the water storage mined-out area top board pressure environment and measure the storage coefficient under the effect of the top board press so as to greatly improve the reliability of the water storage capacity prediction of the mine underground reservoir.

The invention relates to an in-situ soil leaching monitoring test device and method. The device comprises a receiving disc for receiving leaching liquid, a liquid reservoir communicated with the bottom of the receiving disc, a sampling device communicated with the bottom of the liquid reservoir, an air charging system for filling the reservoir with air, an exhaust pipe for discharging the air in the reservoir, a time recorder, and a controller for controlling the air charging system and the sampling device. According to the invention, in-situ leaching monitoring under the condition of field irrigation or rainfall infiltration is realized; with the specific reservoir storage capacity and sampling bottle volume, the quantitative collection and time calibration of the leaching sample are realized; the concentration process curve of the leaching solution can be obtained; and the kinetic study need of the leaching solution index is met. Moreover, the automation degree is high; and the long-term automatic monitoring need is met.

The invention provides a method for eliminating a clamp effect on a seepage-proofing film anchoring part of a high film faced rockfill dam by the compensating displacement principle aiming at a problem that the anchoring part at the periphery of the seepage-proofing film on an upstream dam face has high possibility of generating the clamp effect which can damage the film after the reservoir storage of the high film faced rockfill dam is completed. The method comprises the following steps: arranging a film anchoring line to be lower than a dam face film laying line; using a flat section of a toe slab as a film placing region to enable a dam face seepage-proofing film to be laid to enter an anchoring device from top to bottom conveniently; indenting an anchoring basal plane of a concrete toe slab to the inclined surface of the toe slab (on the seepage-proofing downstream side), and forming a small cavity at the upper part of the dam face film laying line to effectively reduce displacement of a dam body material at the anchoring part and to accommodate the film above the film laying line when the film laying line moves to the anchoring line after the reservoir storage of the dam is completed. According to the invention, stainless steel anchoring compressing parts are adopted to enable distance between fastening bolts to be increased by 0.5-1 time so as to accelerate construction speed; anchoring basal planes are coated with soft sealant, so that water can be stopped, and particles are prevented from entering to ensure that the film is free of damage when the film laying line moves to the anchoring line.

The invention discloses a method for stockpiling red mud generated in the process of producing aluminum oxide by the combination method, comprising the following steps: filter pressing the red mud; then conveying the red mud to a mine waste reservoir for stockpiling. The method is characterized in that red mud obtained by sintering process and red mud obtained by Bayer process evenly mixed and stirred and then the mixture is filter-pressed; in addition, height to width aspect ratio of a blast-proof side slope single stage side slope (1) at the periphery of a stockpiling area is 1:2, vertical height to horizontal width aspect ratio of an average external side slope (2) of a whole stockpiling body is 1:2.8, the slope crest forms a drainage slope (3) of 0.5-1% inwards a stockpiling warehouse. Compared with the prior art, the method of the invention has the advantages of safety, environmental protection, effective use of reservoir storage capacity, settlement of the problem that a large quantity of water takes up reservoir storage capacity and convenient recovery and transportation of the red mud obtained by mixed filter pressing in case of being reused.

The present invention discloses a reservoir connectivity analysis method based on multi-target analysis. The method comprises the following steps of S1 determining reservoirs and the basic situations of the reservoirs which are involved in a connecting engineering needing to be demonstrated; S2 designing corresponding connecting schemes according to the conditions, such as the reservoir distribution situation, the reservoir water supply tasks, etc.; S3 applying a multi-target decision method to establish a reservoir multi-target joint scheduling model; S4 adopting a multi-target genetic algorithm epsilon-NSGAII to optimize and obtain the multi-target tradeoff solution sets of the reservoir scheduling under the schemes; S5 utilizing the visualized analysis to compare the multi-target solution sets of the schemes, and evaluating the advantages and disadvantages of the multi-target solution sets of the schemes, thereby giving out a reservoir connecting feasibility analysis result. The reservoir connectivity analysis method based on multi-target analysis of the present invention fully considers a watershed hydrology compensation effect and an inter-reservoir storage capacity compensation effect, has stronger persuasion for the feasibility analysis of the connecting engineering, and facilitates guiding the management decision personnel to make the reasonable decisions about the reservoir connectivity problem.

The invention discloses a thick oil SAGD horizontal well output monitoring and well completion implementation method. The thick oil SAGD horizontal well output monitoring and well completion implementation method includes the following steps that data of an oil reservoir storage layer are collected and analyzed; the horizontal well segmented monitoring position and number are determined; a well geological and numerical simulation model is established; the ICD / FCD type is selected, and parameters of a flowing-in control well completion device are determined; the tracer agent dosage of all monitoring sections is determined; real-time underground monitoring is conducted according to segmented monitoring requirements; an oil producing / water producing section is calculated; the underground FCDregulating size and relevant parameters are analyzed; and underground output section control is implemented till the tracer agent monitoring designed life time is over. The thick oil SAGD horizontal well output monitoring and well completion implementation method has the beneficial effects that the prominent problems that traditional liquid production section monitoring work is long in operation period, high in operation cost, high in operation risk and not timely in liquid production section control are effectively solved.

Baijiu refers to a kind of white wine for people to drink. It is mainly invented to solve the problems that the existing white wine lacks the function of softening blood vessels, and the mouthfeel and fragrance are not ideal enough. The liquor is prepared from the following raw materials according to the following parts by weight: 25 parts of sorghum, 10 parts of wheat, 20 parts of rice, 5 parts of hawthorn, 10 parts of wolfberry, 5 parts of mung bean, and 25 parts of distiller's yeast; the production method is: combine hawthorn and wolfberry Crushing, sorghum, wheat, rice, and mung beans are crushed with a grinder, and the crushed hawthorn, wolfberry, sorghum, wheat, rice, mung beans and koji are mixed, mixed with water, and then fermented in cellars. The fermentation period is 120-180 days. After the fermentation is completed, it is taken out for distillation, and then stored in the warehouse, blended and filled. The advantage is that it has the function of softening blood vessels, is beneficial to human health, has fruity fragrance, and has good drinking taste.

The invention discloses a reservoir capable of regulating waterfall water flow and a regulating method, and belongs to the technical field of hydraulic engineering. The invention proposes that a reservoir is built in the upstream of a waterfall, a lower dam culvert pipe used for regulating the reservoir storage capacity and drainage flow is arranged on a dam, the lower dam culvert comprises flood discharge culvert pipes, working culvert pipes and sluice gates thereof. In the dry season, all sluice gates of the reservoir are closed in the non-enjoyment period of the waterfall, and the reservoir accumulates water resource for the waterfall. In the enjoyment period of the waterfall, the sluice gates of the working culvert pipes are properly opened to deliver water to the waterfall in a balanced manner. When ample flow water or draw off floodwater appears, all the sluice gates of the culvert pipes are closed, partially opened or all opened for accumulating water or discharge flood, so as to accumulate the maximum amount of water resource for the waterfall. In the enjoyment period of the waterfall, the sluice gates are properly opened for regulating discharge capacity, so that the expected water flow and balancing property of the waterfall in the later stage rainfall interval are improved, the waste of water resource is avoided, and the landscape quality of the waterfall is improved.

The invention discloses a method for accurately monitoring and analyzing reservoir storage capacity. The method comprises reservoir storage capacity accurate monitoring and reservoir storage capacity accurate analysis. The reservoir storage capacity accurate monitoring comprises the following steps: an intelligent unmanned ship is adopted to measure reservoir sedimentation; designing section lines and corresponding coordinate parameters are input in an unmanned ship system self-contained by the intelligent unmanned ship; the intelligent unmanned ship automatically conducts water-depth measurement according to designing course and set sample intervals strictly, and acquires measuring data and records accurate global position system (GPS) location of the point. The reservoir storage capacity accurate analysis comprises the following steps: a database management platform is established with the measuring data measured termly by the intelligent unmanned ship; the designing section lines and the measured data are stored in a database and are used to analyze the siltation volume in different time and research the siltation speed. According to the method, the intelligent unmanned ship monitors the reservoir storage capacity through establishing the idea of long-time series. The comparison of analyzed results is of great importance to the changing of the reservoir storage capacity and the capacity of predicting flood storage.

A simulation system is adapted to reside in a computingdevice for establishing reservoir operational rule curves. The simulation system simulates reservoir storages of consecutive time units of hydrological years based on initially assigned reservoir storages and corresponding reservoir hydrological data, and makes statistical data sets of corresponding relationship among the reservoir storages, water shortage parameters and probabilities. Further, the reservoir storages of the time units with specified water shortage parameters and probabilities are collected to generate storage trajectories that respectively comply with pre-specified demands, which are subsequently screened according to a specified screening criteria to obtain optimum rule curve sets that meet reservoir operational targets in a simple and effective manner.

The invention discloses a pumping storage power station with an anti-freezing cover. The pumping storage power station comprises a base, wall bodies, a water storage reservoir, a water turbine, a submersible pump, a water storage pool and a supporting frame; the multiple wall bodies are arranged on the base and define the water storage reservoir; the water storage pool is arranged below the base and connected to the water storage pool through a first channel; the water turbine is arranged in the first channel; the submersible pump is arranged in the water storage pool and used for pumping out water in the water storage pool; the supporting frame is arranged in the water storage reservoir and is of a frame structure; the supporting frame comprises a plurality of rows of horizontal supporting pipes and a plurality of rows of vertical supporting pipes; the horizontal supporting pipes and the vertical supporting pipes are connected to form the supporting frame; the supporting frame is connected to the wall bodies on the periphery of the water storage reservoir; the bottom end of the supporting frame is fixed to the bottom of the water storage reservoir; and the highest position of the supporting frame is flush with the highest positions of the wall bodies. The horizontal supporting pipes and the vertical supporting pipes are connected and are connected to the wall bodies and the base at the same time, and the supporting effect is achieved on the structure on the periphery of the water storage reservoir.