45 results about "Water resource development" patented technology

The invention discloses a safety assessment system for a river water environment of a plain river network, and belongs to the field of water environment safety assessment. By taking a DPSIR model as a theoretical basis, water environment safety assessment indexes are divided into five aspects of social and economic driving force, a pollution source and water resource development pressure, a water environment health present condition, a river service function and an environment supervision capability, and twenty assessment indexes including permanent population density, GDP per capita, a building land use proportion and the like are established. The water environment safety assessment process comprises the specific steps of obtaining a survey value for assessing an index of each layer of a river; determining an assessment standard value of the index; performing standardization processing of the survey value of the index; calculating an index score of a river water environment safety assessment index layer; calculating an index score of a river water environment safety assessment criterion layer; and calculating and assessing a river water environment safety index. According to the system, a scientific assessment method is established for the plain river network, and the water environment safety condition and problem of the plain river network can be quickly and effectively identified.

The invention belongs to the technical field of water resource allocation, and particularly relates to a water resource multi-dimensional equilibrium configuration system for inland arid regions. Thesystem comprises a basic system layer, a model input layer, a mechanism recognition layer and a multi-target decision analysis layer. According to the system, a water resource is used as a control object; the total water consumption balance, the total water consumption balance, the water and soil balance, the water and salt balance, the water quantity balance and the water ecological balance are used as control targets; an eco-hydrological process is used as a key point of control; optimization-simulation-assessment are used as technical means; complex and changeable eco-hydrological index threshold values with non-uniform time-space distribution are continuously brought into a water resource development and utilization process of the inland arid regions; and an equilibrium solution of water resource configuration among a social goal, an economic goal and an ecological goal is searched for.

The invention relates to a long-sequence farmland irrigation quota measuring and calculating method which comprises the following steps: establishing a basic parameter database, and inputting farmlandbasic parameters into the database; Compiling a measuring and calculating program; Respectively calculating irrigation quotas of the dry crops and the rice; Further calculating a long-sequence comprehensive irrigation net quota according to the designed multiple cropping index on the basis of single crop irrigation quota calculation; And calculating the long-sequence farmland irrigation gross quota of each calculation partition according to the utilization coefficient of the irrigation water of each region. The long-sequence farmland irrigation quota measurement and calculation method can well overcome the problems of insufficient precision of irrigation quota and standard water quota in typical years, and can greatly improve the accuracy of agricultural water demand prediction results inwater resource planning, water resource development and utilization engineering scale demonstration, water resource demonstration report compilation and the like.

The invention provides a design method of a distributed water circulation model based on a multi-source mutual aid water supply mode. The design method comprises the steps of S1, performing nested HRU division; S2, performing HRU attribute design; S3, designing a multi-source mutual aid water supply module; and S4, improving the SWAT model. On the basis of the SWAT model, a distributed natural-artificial water circulation dynamic mutual feedback simulation model is developed, so that the model has the functions of dynamic mutual feedback of natural water circulation and artificial lateral branch water circulation and integrated simulation of water resource development, utilization and regulation; according to the invention, drainage basin natural-artificial water circulation process simulation based on urban multi-water-source water supply and multi-water-source irrigation water supply modes can be completed, the influence of the water circulation process on artificial water taking and using is reflected, and the real-time intervention effect of water resource development, utilization and regulation on the water circulation process is also reflected; and therefore, a scientific reference basis is provided for deeply knowing a drainage basin water circulation mechanism under the influence of strong human activities and reasonably developing and utilizing water resources.

The invention discloses an integrated rainwater collecting and utilizing device, belonging to the technical field of water resource development and utilization, and comprising a water storage well, wherein at least one water distribution hole (2) is arranged at the upper part of the water storage well, a water collection riffler (1) which can feed water into the water storage well by the water distribution hole (2) is arranged at the outer periphery of the water storage well, a filter region (3) and a water storage region (5) arranged at the lower part of the filter region (3) are arranged in the water storage well, and a water intake well (6) is communicated with the water storage region (5). Through the flexible structure design, the invention integrates collection, sedimentation, filter and storage of rainwater, and has simple structure. The collected rainwater is clear and clean after being treated, and the water quality is obviously improved. The invention is particularly suitable for rainwater collection and utilization for courtyards, districts, sea islands and army frontier sentries.

The invention belongs to the field of agriculture and water resource development and utilization, and discloses an agricultural drought disaster monitoring and forecasting method based on crop water demand and soil water supply, which comprises a crop water demand information acquisition module, a soil water supply information acquisition module, a data center, a meteorological forecasting module,a drought forecasting module and a drought analysis module. According to the method, through crop water shortage index calculation and crop water profit and loss prediction calculation in future predetermined time in different regions, the water shortage condition of crops can be comprehensively evaluated, and a reliable data basis is provided for analysis and evaluation of drought conditions. According to the invention, a meteorological system and a crop water requirement law are combined for development, including agricultural drought comprehensive prediction, monitoring, scientific assessment and early warning, so that water resources can be reasonably allocated to cope with drought, and the method has very important theoretical and practical significance for solving the drought and promoting crop growth.

The invention relates to a hill and mountainous region water resource development and utilization scheme capable of achieving water storage, irrigation (flood regulation) and power generation. The hill and mountainous region water resource development and utilization scheme comprises a floor drain system, a water storage system, an irrigation (flood regulation) system, a water pipelines, dam sluices, a power generation system, a power cable, a communication cable and a master control system. The hill and mountainous region water resource development and utilization scheme has the advantages that the scheme is based on a hill and mountainous region, water is stored in a hill, land occupation is avoided, water resources are efficiently developed and utilized, the scheme has no special requirements on water resource constitution, and corresponding design, construction, regulation and control and maintenance are adopted according to the latitude, geology, terrain, landform, rainfall, waterstorage quantity of the specific hill and mountainous region; the water resources are developed and utilized in terms of space, time, irrigation (flood regulation), water use structure, water supplystructure, power generation and the like, the reserve of underground water resources is increased favorably, reasonable water-resource spatial and temporal distribution is benefited, water pollution treatment level is increased, the water resources can be protected favorably, and the spatial quality of people's life is increased.

The invention belongs to the field of water resources information technology, and discloses a water resources quality information sharing service system, comprising a client layer, a Web layer, a business layer, a data layer; By means of advanced computer and standardized information management, the regional water quality monitoring data can be shared and transmitted, the daily work of water quality monitoring and assessment can be completed scientifically and efficiently, the ability of early warning and rapid response to sudden and malignant water pollution accidents can be improved, and thedevelopment trend and cause of formation can be judged; information support is provided for decision support and routine management. The invention can timely and comprehensively reflect the water quality change dynamics of the main rivers in the region, meet the needs of regional water function zone management, water resources development and utilization and protection, as well as the needs of water quality information of water administrative departments at all levels and the public in the region.

The invention relates to a water resource development and utilization efficiency evaluation method and application thereof. The water resource development and utilization efficiency evaluation method comprises the steps of: 1, constructing a regional industrial comprehensive level evaluation index system and a water resource development and utilization efficiency evaluation index system; 2, evaluating a regional industrial comprehensive level and water resource development and utilization efficiency respectively by adopting common evaluation methods (AHP, entropy evaluation method, projection pursuit and the like); 3, performing linear weighting on two evaluation results to obtain a final water resource development and utilization efficiency evaluation result. The water resource development and utilization efficiency evaluation method provided by the invention can better reveal the development and utilization degree and level of water resources, further clarifies the potential of water resource development and utilization, and provides a theoretical basis and decision support for the urban water resource optimized configuration and industrial structure adjustment.

The invention discloses a hydrological data analysis and display method based on cloud computing, by combining spatio-temporal data with geographic mapping to show the spatial and temporal patterns and rules, Through data visualization, we can show the development trend of dynamic high-dimensional data on the basis of the whole cognition of water conservancy big data, so as to carry out situationassessment and display of constantly changing data, such as the visual emergency response of extreme weather and so on. The present invention realizes the visualization of hydrological data, facilitates the timely and detailed grasp of water resources and water resources development, utilization and protection status, accurately grasps the characteristics and laws of water resources change, integrates a large amount of basic data, can provide good data support for water conservancy decision makers, and has good data interaction.

Provided are a recognition method and system for the fluctuation situation of hydrologic flow. The method comprises following steps: analyzing a hydrologic flow process line to be connection of multiple points and calculating discrete value of hydrologic flow; calculating change rate of hydrologic flow, determining extremums of hydrologic flow and generating the extremum sequence of hydrologic flow; calculating change rate of the extremums of hydrologic flow, rotation angles of the extremums and the rotation angle of the extremum sequence of hydrologic flow; and determining the fluctuation situation value of hydrologic flow in order to obtain a fluctuation degree analysis result of hydrologic flow, wherein larger the fluctuation situation value is, more severe the fluctuation degree of hydrologic flow is. The recognition method and system for fluctuation situation of hydrologic flow have following beneficial effects: a novel technical scheme is provided for quantitative analysis of the fluctuation situation of hydrologic flow, which is beneficial for analyses of fluctuation degree of hydrologic flow; and decision support is given to reservoir regulation so that great importance is attached to development and utilization of water resources.

The invention aims at providing a solar evaporation heat storage device with a water circulation system. According to the technical scheme, the solar evaporation heat storage device is composed of a water storage pond, a solar evaporator, a water suction pump, a flow adjusting valve, a water trough and a water filtering device. The solar evaporator is provided with a plurality of supports and a heating device, the water storage pond is provided with a water inlet floating ball valve, a water inlet pipe and a drain valve, and the water filtering device is provided with a drainage pipe and a water backflow pipe. The system is provided with a set of integral water resource development and utilization system, and water resources are stored through natural rainfall. An energy saving device providing industrial thermal energy for enterprise production is formed through the water resources and arranged solar evaporation heat storage equipment. The system is provided with the filtering device for secondarily developing and utilizing the water resources, and the water resource utilization rate can be greatly improved. A working system free of pollution and noise, capable of saving energy and environmentally friendly is achieved.

The present invention relates to a dynamic water resource development technology system, which is characterized by that it can convert the surface water into the underground water resource which can not be lost, can not be evaporated, can not be polluted and can not be seeped. Its concrete technical scheme is that in the river upstream area and plain area lots of completely-closed underground water-storing structure can be built, said water-storing structure is formed from several components of water penetration layer, water-storing space, top cover, support and four walls, water penetration output hole, water well for monitoring water quality and water quantity and water-supplying working surface for delivering water.

The invention discloses a double-impeller hydraulic turbine, and belongs to the technical field of fluid machinery. The hydraulic turbine comprises a frame, an upper transverse plate, a main transmission mechanism, an upper convection arm, an upper bearing seat, an output shaft, a first impeller mechanism, a second impeller mechanism, a lower transverse plate, a lower convection arm and a lower bearing seat; the first impeller mechanism and the second impeller mechanism are mounted between the upper and lower transverse plates, two impellers can rotate around a rotation shaft respectively under the action of fluid, but are opposite in rotation direction, and the reverse torques of the two impeller rotation shafts are output to an output shaft in the same direction through the main transmission mechanism; the upper and lower convection arms are fixedly connected with the upper and lower transverse plates respectively, and the impellers and the main transmission mechanism are mounted onthe frame through the upper and lower bearing seats to realize the yaw of the hydraulic turbine. The double-impeller hydraulic turbine provided by the invention organically combines the lift-drag characteristics of blades, and has the advantages of excellent self-starting performance, high conversion efficiency, flexible arrangement, environmental friendliness, low site selection requirements, wide application range and the like; the double-impeller hydraulic turbine can be applied to most sea areas and inland rivers, and has broad application prospects in water resource development.

The invention discloses a coal mine water utilization method. The method comprises the following steps: calculating mine water resource development and utilization potential values according to mine water inflow, mine water treatment loss water quantity, poisonous, harmful and unavailable water quantity, actual utilization quantity in a mining area and actual utilization quantity outside the mining area; And according to the potential value, regulating and storing the mine water discharged from each mining area with the water quality reaching the standard after centralized treatment through aregulating reservoir, and conveying the mine water to an industrial park, a mining area residential area and a mining area ecological park through a pipe network to realize recycling of the mine water. According to the invention, reasonable planning can be carried out according to mine water resource conditions and utilization basic conditions of each region, and the utilization rate of mine wateris greatly improved.

The invention discloses a method for calculating water resource consumption of grassland irrigation land, which comprises the following steps of: performing ET long-sequence expansion on an equivalent decomposition area by utilizing a stable gradual change characteristic of a grassland area reference crop coefficient on a time scale, and coupling area reference crop evapotranspiration by utilizing an improved reference crop coefficient method to calculate the water resource consumption of grassland irrigation land. The grassland region evapotranspiration long sequence extension under remote sensing image missing, especially non-sunny interference, is realized, the problem that remote sensing region evapotranspiration ET calculation is difficult is solved, and the precision of grassland region evapotranspiration ET long sequence calculation is improved. Aiming at the grassland irrigation land water resource consumption calculation problem, the method quantitatively determines the water resource consumption GW value of the grassland area irrigation land crop growth season through the irrigation land water resource consumption calculation model, defines the key area of grassland area underground water resource real-time monitoring and management, and improves the grassland irrigation land water resource utilization rate. Typical case analysis reference is provided for grassland area underground water resource development and utilization management and grassland ecosystem research in irrigated land vegetation construction.

The invention discloses water surface bearing equipment for a flow monitoring meter for water resource development, and particularly relates to the field of water flow detection. The water surface bearing equipment comprises a main supporting mechanism, radar type flow monitoring meter mechanisms are fixedly installed on the side face of the main supporting mechanism, and auxiliary displacement supporting type floating plate mechanisms are fixedly installed at the bottom of the radar type flow monitoring meter mechanism; the radar type flow monitoring meter mechanisms and the adjacent auxiliary displacement supporting type floating plate mechanisms are arranged in a one-to-one correspondence mode. Each radar type flow monitoring meter mechanism comprises a radar type water flow measuring meter. The auxiliary displacement supporting type floating plate mechanisms are arranged, the radar type water flow meter slides to the water surface, a plurality of floating plate type supporting discs are made to suspend on the surface of the horizontal plane through buffering of a pneumatic sealing buffering telescopic rod, the main supporting mechanism is assisted for supporting, on one hand, the detection stability of the radar type water flow meter is improved, and the detection precision is improved; and on the other hand, the dismounting and fixing convenience of the radar type water flow meter is improved.

The invention discloses a dynamic management method for a water resource development and utilization control red line. The method comprises the following steps: performing cluster analysis on historical runoff data, determining the cluster of runoff in the current month, and selecting a water utilization amount initial index under the water coming frequency corresponding to the cluster of runoff in the current month from a different water coming frequency water utilization amount initial index library as the initial water utilization index of the current month; predicting the runoff of next month by adopting a sequential decision method according to the actual runoff and historical runoff data of the current month after the current month ends, and determining the initial water utilization index of next month; putting off the surplus obtained by subtracting the actual water utilization quantity from the initial water utilization index of the current month to next month, and adding the surplus to the initial water utilization index of next month to obtain a final predicted water utilization amount control index of next month. The method effectively improves the adaptability and constraint of the water resource development and utilization control red line in the water resource management process, and has very high practical value.

The invention discloses a lever synergism power generation device. The lever synergism power generation device is characterized in that the device comprises a main power equipment group, a lever group, a transmission chain, a speed change part and a power generation group; the main power equipment group comprises a water source channel and a water wagon, and the water wagon is composed of an upperpower wheel, a lower power wheel, an inner-side rail, an outer-side circular rail, a load-bearing pole, a chain plate, a water storage groove and movable casters. The new device is mainly used for development and utilization of water resources of various small rivers in China; and an existing water wagon power generation structure can be reasonably improved, and the new device developed and usedby using water energy and green distributed energy fills the field of the development of the water resources of the small rivers.

The invention discloses a hydropower output fluctuation frequency recognition method and system based on time domain and magnitude. According to the method, a hydropower output time sequence is analyzed into a broken line which is formed by the connection of a plurality of points. Firstly, the whole hydropower output time sequence is divided into a plurality of sub-time sequences according to thetime domain length, discrete values of all the sub-time sequences and the change degree of the change rate are calculated, the magnitude dimensions, the form dimensions and the overall fluctuation ofall the sub-time sequences are determined, and then the magnitude ranges of the magnitude dimensions, the form dimensions and the overall fluctuation are determined; the occurrence frequency of the magnitude dimensions, the form dimensions and the overall fluctuation are in the corresponding magnitude range are counted to obtain a fluctuation frequency analysis result of the hydropower output, andthe larger the frequency is, the more severe the fluctuation of the hydropower output in the corresponding magnitude range is. According to the method, a new technical scheme is provided for quantitative analysis of hydropower output fluctuation situations, hydropower output fluctuation degree analysis is facilitated, decision support is provided for reservoir scheduling, and the method is of great significance to water resource development and utilization.

The invention relates to a pretreatment technology of architectural sub-water, which uses architectural design, construction and equipment installation projects as measures and uses the water-utilizing process of special equipment as a method to classify needed water-system equipment during the service cycle of a building. The use properties of water-utilizing equipment correspond to water quality grades to form ladderlike level differences in unit cell. The water-utilizing total amount and the water quality during the item water-utilizing process is quantified, stripped and decomposed into different components by the operation times of working procedure work. An operator selectively strips, applies and intercepts the architectural sub-water according to the water quality; level difference subsystem resources are utilized to substitute water supply and thus substitute normal water, supply water to non-drinking water device and implement serial feedback; the functions of the normal water are renewedly positioned to feed back the /water transmission in the nature; and the original cyclic program and the path of the normal water are changed to finish the treatment processes of normal water application and cyclic restoration purification of surficial filtering layers and water resource development type.

The invention relates to the field of water resource bearing capacity evaluation, in particular to a water resource bearing capacity evaluation method. Obtaining an index value corresponding to the target index; the index value is input into an index bearing capacity function relational expression, a function value output by the index bearing capacity function relational expression is obtained, and the function value corresponds to the bearing capacity of the to-be-evaluated water resource; according to the function value, an assessment result is obtained, the assessment result corresponds to the bearing capacity of the to-be-assessed water resource, and the bearing capacity of the to-be-assessed water resource is used for reflecting the to-be-developed utilization amount of the to-be-assessed water resource. According to the method, the index value of the target index is input into the index bearing capacity function relational expression, and the corresponding water resource bearing capacity is obtained. The water resource bearing capacity is calculated through the function relation expression, so that the accuracy of the water resource bearing capacity obtained through the method can be improved. And therefore, the water resource bearing capacity obtained by the method can better provide technical support for water resource development.