153 results about "Water transfer" patented technology

The invention relates to the technical field of intelligent water conservancy, and discloses a cross-regional water transfer project intelligent scheduling method and system, and the method comprises the steps: building a digital twin system based on a geographic information system, hydrological monitoring data and a spatial topological structure, and integrating a meteorological evolution prediction model, a basin hydrological response model and a water demand prediction model; predicting a water demand and an adjustable water amount by using a space-time convolutional neural network and a gating circulation unit; establishing a multi-objective optimization model taking water supply benefit, ecological influence and energy consumption cost as optimization objectives; an optimal water transfer scheme is generated through a Markov decision process and multi-agent cooperation; and carrying out robustness evaluation on the scheme and generating an emergency scheduling plan. According to the method, the scheduling efficiency and adaptability of the water transfer project are remarkably improved, and efficient configuration of water resources and quick response under extreme situations are achieved.

The invention discloses a large-model-driven intelligent calculation method and system for a water conservancy mechanism model. According to the method, natural language input, structured conversion and intelligent optimization calculation of a scheduling target are realized by integrating a field-enhanced large language model and a water conservancy professional mechanism model. The method comprises the steps of receiving a calculation target expressed by a user in a natural language, and analyzing and converting the calculation target into a constraint condition and a target function which can be recognized by a water conservancy mechanism model; a hydrological model, a hydraulic model, a hydrodynamic model and other models are called based on a workflow engine, and reverse calculation is carried out by adopting a hybrid optimization strategy of'coarse adjustment-fine adjustment-verification '; synchronously and visually displaying the parameter change and the result convergence state in the calculation process; and outputting a calculation result including parameter adjustment logic, standard conformity analysis and multi-scheme comparison. The system comprises a natural language interaction module, a target conversion module, an intelligent calculation engine module, a visualization module and a result generation module, and supports multiple application scenes such as multi-target scheduling, emergency decision making and ecological guarantee. Compared with a traditional scheme, the method has the advantages that the model use threshold is lowered, the dispatching efficiency and calculation transparency are improved, and the method is suitable for complex hydraulic engineering calculation tasks such as reservoir dispatching, cross-basin water transfer and flood control emergency.

The invention relates to an inter-basin water saving amount transaction and scheduling optimization method, which comprises the following steps of: performing dynamic contrast analysis on water saving behaviors and water resource response on the basis of historical water consumption behaviors, resource regulation and control records and meteorological basic data, judging the autonomy and continuity of the water saving behaviors, and obtaining the right-confirmable water saving amount; according to the watershed water resource tension degree, the water ecology sensitivity and the water transfer cost, a cross-watershed conversion rule is adopted, a conversion scale factor is set, and resource value transverse butt joint of water saving behaviors of different areas is achieved; calculating the flow attenuation, the regional bearing threshold and the water quality compatibility in the allocation path based on the water-saving amount obtained by the water-saving transaction, and determining the available transmission range and the sustainable allocation amount of the water-saving amount; and according to the distribution of the water-saving quotas and the corresponding value grades, carrying out combined screening according to the use priority, the basin compensation relationship and the space-time adaptation requirements, outputting a resource allocation scheme, and forming a cross-basin water-saving-quantity-driven water resource optimal allocation structure.

The invention discloses a method for evaluating the influence of reservoir-water transfer project combined regulation on downstream ecological flow. The method comprises the following steps: step 1, collecting data of a research area; 2, constructing a water transfer project water source area natural water circulation model WEP-NHA; step 3, constructing a natural-social binary water circulation coupling model WEP-HA; 4, simulating the runoff of the water source area by using a WEP-HA model; 5, the system analyzes the change degree of the key control section water quantity and the ecological flow guarantee rate of the water source area under the condition that the reservoir and the water transfer project are overlapped. According to the method, system simulation of disturbance response of a complex system in a water source area can be achieved, the comprehensive influence of a complex water conservancy project system on water resources and the ecological environment is effectively revealed, high adaptability and predictability are achieved, the problem of regulation and storage effect simulation of a reservoir without data or with little data is effectively solved, and the method is suitable for popularization and application. And decision support is provided for scientifically formulating the water transfer scale and guaranteeing the ecological flow.

The invention provides a water resource optimization scheduling method and system, computer equipment and a storage medium, and belongs to the field of water resource optimization scheduling, and the method comprises the steps: obtaining the local water supply amount, the department water demand amount and the water demand interval of each water receiving area; under the common constraint of the three parameters, the calculated economic output corresponding to the water resource input, the ecological service value of the water area, the water satisfaction quantitative result and the carbon emission in the water transfer process are used as optimization indexes, and the monthly scale is used as a time unit; according to an optimization result, a monthly water resource scheduling scheme is generated through iteration in sequence, and an annual water resource scheduling scheme is formed through integration; and determining a scheduling scheme with the optimal comprehensive benefit from the annual water resource scheduling schemes as a final water resource scheduling scheme. According to the method, the ecological benefit and social benefit of water transfer in the water transfer system can be coordinated, the ecological service value of a water area is remarkably improved and the carbon emission is reduced while the water demand of a water receiving area is ensured, and the comprehensive optimization of water resource scheduling is realized.

The invention discloses a cross-basin water transfer project scheduling scheme evaluation method and system based on a cloud model, and the method comprises the steps: data preparation: collecting scheduling scheme data, and carrying out the normalization processing, and obtaining a reference database; standard cloud construction: defining a comment set, calculating standard cloud digital features and generating a standard cloud; comprehensive cloud construction: evaluating the scheduling scheme by using an expert scoring method, obtaining expert scoring data, calculating through a reverse cloud generator to obtain an evaluation cloud, determining a weight coefficient of an evaluation index by using an entropy weight method in combination with the reference database, and generating a comprehensive cloud; and scheme evaluation: establishing quantitative association of the standard cloud and the comprehensive cloud through dynamic scheme mapping, and determining a scheduling scheme evaluation grade through the similarity of the comprehensive cloud and the standard cloud. The method effectively processes the interactive influence of hydrological randomness and engineering regulation fuzziness, realizes qualitative and quantitative conversion, and improves the scheduling efficiency. The scheduling scheme can be evaluated objectively and scientifically, and a reliable basis is provided for a cross-basin water transfer decision.

The invention discloses an ecological flow process multi-objective optimization method based on an NSGA-II algorithm, and relates to the technical field of water conservancy projects. Comprising the steps of defining discrete decision variables, setting an objective function, constructing constraint conditions and a mixed penalty function, and configuring algorithm parameters; generating an initial solution meeting the ecological flow constraint, and repairing the solution which does not meet the constraint after genetic manipulation to ensure the feasibility of the solution; performing non-dominated sorting on the population to divide Pareto frontier layers, calculating a congestion distance of a solution in each frontier layer, realizing genetic manipulation through tournament selection, binary crossover simulation and polynomial variation, and updating the population in combination with environment selection; and extracting non-dominated solutions, screening optimization schemes from the non-dominated solutions, and outputting monthly scheduling schemes and water transfer and ecological flow shortage statistics of each reservoir under each scheme. According to the invention, automatic distribution of the ecological base flow, the basic ecological flow and the target ecological flow in the interannual period is realized.

A multifunctional construction site cleaning robot and a cleaning method using the same are provided. The robot includes a chassis part; a bottom rotatable function part, including a sweeper unit, an iron remover unit, a leaf remover unit and a cutter unit; a debris treatment part, including a compression unit, a debris container and a pulverizing unit; a container exchange part, including a movable gripper unit and openable containers, the openable containers being configured to contain sundries collected by the sweeper unit and the iron remover unit; a spray part, configured to prewet or dedust a construction site; and a water transfer part, including an extensible water discharging unit and an extensible water pumping unit, the extensible water discharging unit being configured to pump accumulated water, and the extensible water pumping unit being configured to pump accumulated water from a bottom of a pit to the ground.

The utility model relates to a water transfer mechanism of a printing dampening device, which is characterized in that a water source roller drives a first gear, a water transfer roller drives a second gear, the water source roller is connected to a water transfer clutch movable support, a transition transmission gear set and a pressure regulating swing arm are arranged on the water transfer clutch movable support, and the water transfer roller is connected to the pressure regulating swing arm. An output transition gear of the transition transmission gear set is in meshing transmission connection with the second gear, the swing axis of the pressure adjusting swing arm and the axis of the output transition gear are coaxially arranged, and the first gear is in transmission connection with the transition transmission gear set. When the leaning pressure of the water source roller and the water conveying roller needs to be adjusted or the water source roller and the water conveying roller are abraded and need to be adjusted, the pressure adjusting swing arm rotates around the center of the pressure adjusting swing arm to a proper position, so that the pressure between the water source roller and the water conveying roller is proper; after adjustment, the first gear, the transition transmission gear set and the second gear can keep a normal meshing transmission relation all the time, transmission and water transmission stability is ensured, and vibration and shaking are reduced or even avoided.

The utility model relates to a cleaning tool based on a mop cleaning barrel, which comprises a cleaning barrel and a mop, the mop comprises a mop head rotationally connected to the lower end of a mop rod, and a wiping object is arranged on the mop head; the cleaning device is characterized in that the cleaning barrel is provided with a water purification area, a cleaning area and a sewage area which are independent of one another, the water purification area and the cleaning area are at least partially located in the sewage area, the middle of the water purification area is communicated with the middle of the cleaning area through a water supply channel, and a water squeezing component for squeezing the wiping object is arranged on the cleaning area. The switch is used for opening and closing the water supply channel; and a first water transfer channel for transferring squeezed and scraped sewage to the sewage area is arranged in the cleaning barrel. According to the cleaning tool based on the mop cleaning barrel, it is guaranteed that clean water is used for cleaning a mop every time.

The invention discloses a water transfer project risk cascade propagation and risk assessment method and system based on a multi-level topological structure, and the method comprises the steps: obtaining a water transfer project topological network, and generating a node comprehensive risk vector of each node based on multi-source operation data; constructing a basic risk propagation matrix according to the physical connection relationship, and performing structured modulation on the basic risk propagation matrix based on the node comprehensive risk vector to generate a comprehensive propagation operator; performing cascade propagation iterative evolution on the node comprehensive risk vector based on the comprehensive propagation operator, and continuously calculating network dynamics stability characteristic parameters of the comprehensive propagation operator in the evolution process; when it is judged that the system is in a divergent phase state according to the parameters, a comprehensive propagation operator is reconstructed, iterative evolution continues till convergence, and steady-state risk distribution is obtained; and outputting a comprehensive risk assessment result of the system based on the steady-state risk distribution. The method can improve the operation safety management and control capability of the water regulation project under complex operation conditions and external disturbance conditions.

The invention relates to the technical field of water resource management, in particular to a water budget data processing method. The technical scheme comprises the following steps: acquiring historical data of a management area; and obtaining the increment of the area management unit in the management area after the budgeting time period and the corresponding data label. And performing matching according to the data labels corresponding to the region management units to obtain paired region management units. Obtaining the soil state of the area management unit in the management area and the weather state in the budget time period, and matching the soil state and the weather state with the existing soil state and weather state to obtain a matching time period. And taking the water expenditure data and the water income data of the matched area management unit in the matched time period as the water expenditure data and the water income data of the area management unit in the management area, and then calculating to obtain the water transfer amount in the management area. According to the invention, the existing area management unit is used for replacing a newly added area management unit for calculation, so that a large amount of survey work can be reduced, and the calculation accuracy is improved at the same time.

[Problem] To provide a hole cleaning method with which it is possible to appropriately remove scale that has formed in hard-to-clean locations around a hole (foundation drainage hole, etc.) using a small, lightweight device that can be transported by human power. [Solution] A cleaning water tank, a bubble generating means, a cleaning water supply pipe, and a cleaning water transfer means are installed in a hole cleaning method for cleaning a cleaning location in a hole (foundation drainage hole, etc.), the cleaning location being near the bottom end of the hole, which should be maintained as an underground water flow inlet. By driving the bubble generating means and the cleaning water transfer means and supplying micro-nano-bubble-containing cleaning water (micro nano bubble water) from the distal end part of the cleaning water supply pipe toward the cleaning location, the cleaning location is cleaned and the cleaning water supplied to the cleaning location is returned to the cleaning water tank through a gap between the inner wall of the hole and the outer wall of the cleaning water supply pipe and a gap between the inner wall of a cleaning water return pipe and the outer wall of the cleaning water supply pipe, whereby cleaning is performed while the cleaning water is circulated between the cleaning water tank and the cleaning location.

The utility model discloses a water transfer printing paper blade coating device which comprises a workbench, a supporting plate is arranged above the workbench in a sliding mode, the supporting plate is connected with a plurality of scraping plates in a sliding mode, second grooves are formed in the scraping plates, the second grooves are connected with limiting blocks in a sliding mode through springs, and the limiting blocks are connected with the supporting plate in a sliding mode. A third groove is formed in the supporting plate, a limiting groove is formed in the third groove, and the limiting block is slidably connected with the limiting groove; according to the utility model, when a worker needs to adjust the length of the scraper blade, fingers or other objects are put into the third groove to extrude the limiting block, so that the limiting block is separated from the limiting groove, and the scraper blade can slide in the supporting plate, so that the scraper blade can extend out of or be stored back into the supporting plate, and the length of the scraper blade can be adjusted according to the required length. When the scraping plate is not needed, the limiting block is pressed to be put down, when the scraping plate is not needed, the limiting block is pressed to be stored in the supporting plate, the limiting block is clamped into the limiting groove, and the scraping plate is fixed to the supporting plate.

The invention of intelligent subsurface injection irrigation system is a type of integrated injection irrigation system that intelligently irrigates plants and uses available water resources with maximum economy and highest possible efficiency. The present invention includes an inverted conical tank and a water supply system equipped with a floater, a digital moisture meter sensor equipped with a transmitter as well as a humidity sensor information transmission system and also a sensor and thermostatic valve system for connecting and disconnecting the water, a water transfer pump from the main water storage pool to the water transfer network, a control room and a liquid fertilizer injection system in the transfer network as well as a bypass equipped with a valve in the water transfer network and a water storage pool and aquaculture. Also this invention relates to subsurface irrigation methods and systems for detection of humidity and temperature for correct watering.

This application provides a safety device and tool for the maintenance of a water transfer printing dryer. The safety device includes a support frame and an anti-detachment guard. The support frame has a communicating limiting groove and a guide opening; the guide opening is used to movably mount the piston rod of the lifting hydraulic cylinder, placing the piston rod within the limiting groove. One end of the support frame abuts against the connecting seat at the end of the piston rod, and the other end abuts against the end face of the lifting hydraulic cylinder. The anti-detachment guard is detachably installed on the support frame and is positioned at the guide opening. This invention, through the added support frame, provides a reaction force for the piston rod to retract in case of failure, thus providing support for the connecting seat at the end of the piston rod. This reduces the risk of hydraulic failure in the lifting hydraulic cylinder, preventing the upper housing from overturning and collapsing, effectively ensuring the safety of equipment maintenance personnel and significantly improving the operational safety of the lifting hydraulic cylinder.

The invention discloses a method for screening water quality driving factors of a long-distance water transfer project based on a machine learning method. The screening method comprises the following steps: acquiring a water body sample of the long-distance water transfer project; obtaining influence factor data as much as possible according to historical water quality characteristics and hydrogeological conditions of the water transfer project; constructing different factor input data sets according to the detailed data; a clustering analysis method and a correlation analysis method are applied to assist a Boruta algorithm to screen internal causes and external causes of water quality driving factors of different sections in a long-distance water transfer project, and the driving factors are obtained for importance sorting. According to the method, two statistical methods are coupled, meanwhile, the water quality driving factors of the long-distance water transfer project are screened in combination with a machine learning method, water quality driving internal causes and external causes of different sections can be rapidly screened out, importance ranking can be conducted on the driving factors, operability is high, and the method has certain popularization value and is worthy of popularization. Reliable technical guarantee is provided for a long-distance water transfer management department to treat sudden water pollution accidents, control water quality risks and improve water quality.

The application discloses a water transfer printing film pasting equipment for a thermal insulation integrated plate, which comprises a water storage tank, an automatic feeding mechanism is fixed on one side of the water storage tank, a film pasting mechanism is fixed on the top of the water storage tank, and the film pasting mechanism extends into the water storage tank. After the first toothed plate is lowered to the bottom, the teeth on the first gear contact the teeth on the second gear, meanwhile, the rotating disc no longer presses against the supporting rod, the second gear is in an unlocked state, then the second gear rotates along with the rotation of the first gear, since the position where the supporting plate is lowered to the bottom is fixed, the height of the supporting table can be adjusted according to the thickness of the thermal insulation integrated plate before the equipment is used, the thermal insulation integrated plate is sucked by the electric suction disc and then is immersed in the solution, then the thermal insulation integrated plate is placed on the supporting column, at this time, the thermal insulation integrated plate is not completely immersed in the solution, then the second toothed plate and the supporting table are lowered as a whole, and the complete and comprehensive film pasting operation is facilitated.

The present invention discloses a primary rain collection and drainage system, which connects a water transfer chamber in a rainwater canal with a primary rain storage chamber located on one side of the water transfer chamber. The two chambers are connected via a water inlet in the sidewall of the water transfer chamber. When rain begins, the gate is in a first position, allowing primary rain to flow through the inlet into the primary rain storage chamber for collection. As rainfall increases, the liquid level in the water transfer chamber rises, and the float drives the gate upward to a second position, where it stops. Under the action of water pressure, the gate maintains its shielding over the inlet, achieving quantitative collection of primary rain. A siphon is installed in the primary rain storage chamber. The inlet section of the siphon extends into the bottom of the primary rain storage chamber, and the outlet section connects to a sewage pipe, which is located below the primary rain storage chamber. When the gate is in the second position, the water level in the primary rain storage chamber rises above the highest point of the siphon connection section, triggering a siphoning phenomenon. Primary rain automatically flows through the siphon into the sewage pipe until it is emptied. This system reduces construction, operation, and maintenance costs while eliminating the need for additional construction land.

The application discloses a kind of long-distance water transfer project water demand probability prediction method, comprising: collecting basic information, calculating the historical water demand sequence of water transfer project water receiving area, generating node level dynamic water demand characteristic vector;Based on dynamic water demand characteristic vector, through multiple directed dependence measure, identify the time-space dependence structure between nodes changing with time, dynamically divide high correlation, weak correlation and independent community, and track the evolution event of community;Based on community structure, fuse the geographical distance between community and water supply relationship, impose cross-domain cost factor, construct hierarchical water transfer area;Based on time-space dependence structure and hierarchical water transfer area, adopt differentiated probability prediction model and cascade time propagation mechanism, construct system level joint probability distribution.The application can accurately depict the dynamic dependence and hierarchical structure of system, improve the accuracy and reliability of prediction.

1. The name of this design product: Angle valve. 2. Purpose of this product: This product is used for hot and cold water transfer in water lines. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to the technical field of water circulation, and discloses water transfer printing water circulation equipment which comprises a transfer printing area, the right side of the transfer printing area is fixedly connected with a placing table, the front end and the rear end of the transfer printing area are both fixedly connected with sliding assemblies providing displacement for workpieces, and the bottoms of the sliding assemblies are fixedly connected with air cylinders. A connecting plate is fixedly connected to the driving end of the air cylinder, a mounting plate is fixedly connected to the bottom of the connecting plate, a first motor is fixedly connected to the left side of the mounting plate, and two sector gears are rotationally connected to the end, away from the first motor, of the mounting plate; the left side of one sector gear is fixedly connected to the driving end of the first motor. According to the utility model, the workpiece is accurately fixed, and the consistency of the transfer printing angle and depth each time is ensured, so that the transfer printing quality stability is improved, the manual transfer printing can be effectively replaced, the non-uniform effect caused by fatigue and technical difference in the traditional manual transfer printing is avoided, the labor cost is reduced, and the standardized production is realized.

The utility model belongs to the technical field of mechanical arms, and particularly relates to a water transfer channel dredging mechanical arm which comprises a mechanical arm body and a dredging cover, the dredging cover is arranged at one end of the mechanical arm body, a plurality of detection assemblies are arranged at the bottom of the dredging cover, and the detection assemblies are arranged on the mechanical arm body. The multiple detection assemblies are distributed around the axis of the desilting cover at equal intervals, a desilting assembly is arranged at the top end of the mechanical arm body, the bottom end of the desilting assembly penetrates through the top end of the desilting cover and extends to the bottom of the inner side of the desilting cover, and a mounting flange is fixedly connected to the bottom end of the outer wall of the desilting cover. And the detection assembly comprises a cylinder fixedly communicated with the top end of the mounting flange. According to the dredging device, the dredging cover is conveyed to the bottom of the channel through the mechanical arm body, whether the bottom end of the dredging cover reaches the bottom end of the channel or not is detected through the detection assembly, after the dredging cover reaches the bottom end of the channel, sludge is pumped outwards through the dredging assembly, the dredging effect is achieved, and damage to a channel riverbed can be avoided.

The application discloses a cross-regional water resource allocation method based on green ammonia carrier, and belongs to the cross field of water resource allocation and renewable energy utilization. In the water-rich water source area, water is electrolyzed to hydrogen by using water power, wind power and green power, high-purity liquid ammonia is proportionally synthesized by coupling air separation nitrogen, or is converted into urea; the liquid ammonia or the urea is long-distance transported to a water-deficient area through a railway, a pipeline and the like; by-product high-purity pure water is produced in the terminal resource utilization process and is stored in the local area, and cross-regional water transfer is completed. The application uses green ammonia / urea as a chemical carrier to replace traditional water conservancy engineering physical water transfer, avoids geological disasters, ecological destruction and cross-border dispute risks, relies on mature chemical technology to be quickly landed and linearly expanded, further absorbs surplus new energy in the northwest, helps low-carbon transformation of an industry, and has low water transfer cost and strong market feasibility.

The sanitary appliance comprises a cleaning barrel, a mop head and a wiping object, and the cleaning barrel is provided with a first cavity and a second cavity which are independent of each other; the cleaning device is characterized in that a handle is arranged on the cleaning barrel, the first cavity and the second cavity are communicated through a flow channel, an opening and closing element is arranged on the flow channel, the first cavity is used for filling and storing clean water, the top end of the first cavity is closed, and the second cavity is used for receiving the clean water and allowing the mop head to enter for cleaning; the end, away from the second cavity, of the squeezing and scraping piece is provided with a water baffle extending upwards, a water transfer channel is formed above the water baffle, the water baffle blocks a small part of water squeezed and scraped from the wiping object and enables the water to flow back towards the wiping object, and the water transfer channel is used for guiding most of the water squeezed and scraped from the wiping object out of the second cavity. The water quantity of the backflow water and the water quantity of the guided-out water meet the following condition that the water quantity of the backflow water is smaller than that of the guided-out water. The amount of the backflow water is smaller than that of the guided-out water, so that the amount of the backflow water is smaller than that of the guided-out water while it is ensured that the backflow water supplements and infiltrates the wiping object, and the cleaning time is shortened.

The utility model provides a water conservancy sluice valve for water transfer, and relates to the technical field of water conservancy sluice valves, the water conservancy sluice valve comprises a sluice valve main body, a connecting sleeve is arranged in the sluice valve main body, the inner wall of the connecting sleeve is connected with a baffle in a sliding mode, and the top of the connecting sleeve is fixedly connected with a supporting frame. A threaded rod is inserted into the top of the supporting frame in a threaded penetrating mode, the threaded rod is inserted into the top of the connecting sleeve in a threaded mode, the threaded rod is arranged on the top of a baffle, a fixing device is arranged on one side of the gate valve body, a connecting device is arranged on one side of the baffle, and the fixing device comprises a rectangular frame. The fixing block slides into the fixing groove manually, in this way, the connecting block can be arranged on one side of the gate valve body, then the rectangular frame is arranged on the surfaces of the connecting block and the connecting sleeve in a sleeving mode, the connecting block and the gate valve body can be well separated through reverse operation, and in this way, parts in the gate valve body can be maintained conveniently.

The utility model belongs to the field of water conservancy projects, and provides a water transfer project ice disaster prevention and control device which comprises a compressor unit used for air compression, an air inlet pipeline is arranged at the air inlet end of the compressor unit, and a soil heat exchanger pre-buried in a soil constant temperature layer is arranged on the air inlet pipeline. The input end of the soil heat exchanger is provided with a filtering assembly used for filtering air, the air outlet end of the compressor unit is provided with an exhaust pipeline, and the exhaust pipeline is provided with a heat preservation conveying pipe used for being connected with an aeration pipe. The underground constant-temperature layer is used for preheating entering air through the soil heat exchanger, so that the temperature of the air sucked into the compressor is increased, the compression power consumption of the required compressor can be effectively reduced, the operation cost is reduced, and the heat loss of the compressed air is small through the heat preservation conveying pipe; the air outlet temperature of the aerator pipe outlet changes less relative to the air outlet temperature of the compressor, and the ice melting amount per unit air volume can be effectively improved.

This invention provides a method for identifying the specific ecological impact range of large-scale water transfer projects. This method aims to address the problems of existing technologies in assessing the ecological impact of large-scale water transfer projects, which struggle to accurately separate the impact of artificial water conveyance from the natural water system background, and whose assessment results are static and subjective. The identification method includes: data fusion and environmental variable construction, identification of key hydrological driving factors, preliminary ecological impact potential modeling, model calibration and impact decoupling, impact zoning, and seasonal dynamic evaluation. Using the method described in this invention, the specific ecological impact range of large-scale water transfer projects can be quantitatively identified, and the assessment results can provide a scientific basis for water resource optimization and project benefit evaluation.

The invention provides a produced liquid gathering and transportation pipe network regulation and control method and a related system, and belongs to the technical field of gas field gathering and transportation, and the system comprises a data acquisition module, a dynamic simulation module, a time-phased dynamic simulation module, an optimal liquid level scheduling interval module, an optimization module, a pipe network flow control module and a gathering and transportation pipe network intelligent water transfer regulation and control module. Data are collected, a dynamic simulation model is established according to the data, and real-time data are obtained by substituting historical data into the model and displayed by a monitoring module; and an optimal liquid level scheduling interval can be obtained according to historical data and a dynamic simulation model, and an intelligent water transfer regulation and control scheme of the gathering and transportation pipe network is obtained by combining an adjustment suggestion of minimum total power consumption of the intelligent water transfer regulation and control scheme and an adjustment suggestion of a flow overload condition, so that automatic liquid level control and flow regulation are realized, the energy consumption is effectively reduced, and the working efficiency is improved. And the reliability and the safety of the system are enhanced.

The invention provides a method and device for determining the drought alarm water level of a long-distance water-pressure-regulating salt reservoir group, and the method comprises the steps: firstly determining a typical drought year based on the long series of inflow of a control section of a drainage basin where the reservoir group is located; then generating a total water deficit series of the reservoir group based on the pressure salt flow series of the drainage basin control section, the first water supply series of each reservoir in the reservoir group and the reservoir water amount series of the reservoir group in the typical arid year; generating a water deficit series of each reservoir in the reservoir group based on the total water deficit series and the benefit-making storage capacity, the first water supply series, the minimum discharged ecological water quantity series and the incoming water quantity series of each reservoir in the reservoir group; and finally, based on the water deficit series, the dead water level and the water level-reservoir capacity relationship of each reservoir in the reservoir group, determining the drought alarm water level of each reservoir in the reservoir group through a reverse order recursion method. By adopting the method, the problem that the drought alarm water level of the reservoir group is difficult to scientifically and reasonably determine in the prior art can be relieved.