803 results about "Water intake" patented technology

The invention provides a water plant raw water and clear water lifting pump station joint optimization energy-saving dispatching method and system for solving the problems that traditional pump station dispatching depends on artificial experience, global optimization is lacked, and energy waste is serious. Comprising the steps that a flow-lift and flow-efficiency relation model is established, and a variable frequency pump deduces a performance formula under any frequency based on the similarity law; in the first-stage optimization scheduling, the optimal flow of a water intake pumping station and the optimal water storage level of a clean water tank in each time period are determined by adopting a dynamic programming algorithm and taking the minimum total work of the system as a target, and the conditions of flow balance, water level constraint and the like are met; and in the second-stage optimization scheduling, the genetic algorithm is adopted to optimize the combination and operation frequency of the water pumps in each time period by taking the minimum total power of the pump set as a target, and a flow and lift deviation penalty term is introduced. According to the method, water taking, water storage and water supply whole-process collaborative optimization is achieved, the energy saving rate exceeds 10%, the operation cost is reduced, the method adapts to dynamic changes of the water source tide level and the water demand, and the dispatching intelligent level is improved.

A pet water dispenser includes a feed-water tank, a drinking device and an evaporator; a water container is arranged in the feed-water tank; the drinking device includes a drinking bowl, and a control valve which is connected to the drinking bowl and the feed-water tank and controls communication and separation between the drinking bowl and the feed-water tank; the evaporator includes a water tray and a water intake assembly; the water tray is in butt joint with the control valve which controls the communication and separation between the drinking bowl and the water tray; the water intake assembly is arranged in the water tray, with surface area larger than the bottom area of the water tray. Wastewater is automatically evaporated, thus avoiding inconvenience in wastewater treatment by a user, and also preventing water in the drinking bowl from entering the feed-water tank to cause water body pollution.

The invention relates to a water balance regulation and control method and device for a power plant, electronic equipment and a storage medium, and the method comprises the steps: inputting the multi-source operation data of a current power plant water system into a preset time sequence prediction model, outputting a water quantity prediction result, and based on a preset multi-target optimization algorithm, according to the current unit operation state and the water quantity prediction result, obtaining a water balance regulation and control result; obtaining a target control strategy meeting a preset constraint condition; inputting the current wastewater quality and quantity information into a preset wastewater scheduling model for wastewater utilization planning, and generating a target wastewater utilization strategy; and generating a target control instruction according to the target control strategy and the target wastewater utilization strategy, and issuing the target control instruction to an execution mechanism so as to control the execution mechanism to perform a corresponding adjustment action based on the target control instruction. Therefore, the static, isolated and extensive defects of existing coal-fired power plant water system management are overcome, the unit power generation water taking amount is remarkably reduced, the comprehensive utilization efficiency of water resources is improved, and the method adapts to the complex operation working conditions such as deep peak regulation.

The invention relates to the field of water intake of water conservancy projects, and discloses a hydraulic automatic desilting bottom barrier water intake which comprises a desilting module, a water inlet module and an anti-scour module. The sand discharging module comprises a primary sand flushing part and a secondary sand flushing part. The primary sand flushing part comprises a sand guide ridge, a sand flushing weir, a sand flushing flow channel, a side wall and a partition wall. The secondary sand flushing part comprises a sand blocking ridge, a stone blocking grid, a sand discharging gate, a sand discharging gallery, a sand flushing gate and a sand flushing gallery. The sand guide ridge assembly is composed of a plurality of sand guide ridges, the arrangement mode of the sand guide ridge assembly is that the upstream opening size is small, the downstream opening size is large, and the sand guide ridge assembly is arranged on the upstream of the water taking opening. A gravel flow channel is formed between the sand guiding ridge assemblies and is wide in the upstream and narrow in the downstream. A communicating channel is arranged between the lowest points of the gravel flow channels. Sand can be intercepted on the upstream, sand is automatically flushed through hydraulic power and discharged to the downstream, and the situation that a large amount of sand enters the downstream along with water flow to deposit and block the grating is avoided.

The invention discloses a discharged water temperature abnormity identification and emergency processing method, device and equipment and a storage medium, and the method comprises the steps: collecting dam front vertical water temperature data, synchronously integrating data of a water quality sensor and a meteorological station, building a three-dimensional dynamic water temperature digital twinborn model based on a numerical model, real-time mapping and simulation of the fluid-heat-solid coupling effect of the reservoir area are achieved; setting a basic threshold according to a downstream ecological target, generating a dynamic threshold interval in combination with a seasonal probability distribution model, a meteorological disturbance factor and a water quality association rule, and dividing into multi-stage early warning according to water temperature deviation; when a preset early warning level is triggered, the digital twinborn model automatically adjusts the position of layered water taking equipment, a tail water mixing device or a solar heating system is started, and an ecological water supplementing strategy is linked; future water temperature changes are rehearsed through a digital twinborn model, and multiple sets of regulation and control plans are generated. According to the invention, a'monitoring-analysis-decision-execution 'full-closed-loop system is constructed, and accurate recognition and efficient processing of abnormal water temperature are realized.

The utility model relates to the technical field of water pollution treatment, in particular to a landscape water dialysis purification system. The system comprises a water intake pumping station, a water distribution well and a cloth filter tank, water taken by the water intake pumping station is conveyed into the water distribution well through a water inlet pipe of the water distribution well, the water inlet pipe of the water distribution well is connected with PAC and PAM pipelines, sewage is distributed into the cloth filter after being subjected to first flocculation and sedimentation in the water distribution well, PAM is added into a water outlet pipe of the water distribution well, pollutants in water are further subjected to flocculation and sedimentation in a flocculation and sedimentation section of the cloth filter, and the pollutants in the water are subjected to secondary flocculation and sedimentation. The sewage is filtered by the fiber rotary disc filter after two times of flocculating settling, and the filtered clear water can be discharged, so that the sewage is treated, the load of the fiber rotary disc filter is effectively reduced in the process, and the efficient treatment process of the sewage is ensured; sludge generated in the operation process of the system is collected and then filtered, so that the sludge produced by the system is treated.

The invention relates to a layered water taking intelligent control system and method based on multi-modal fusion and autonomous evolution. Comprising an intelligent water intake tower and an intelligent decision-making unit, the intelligent water intake tower is of a vertical multi-layer structure, and each layer is provided with a movable deformable water intake, a multi-mode sensor array, a water intake valve arranged at the deformable water intake, a deformable water intake optimization module, a data acquisition module of the multi-mode sensor array and a self-energy-supply module driven by green energy. The intelligent decision-making unit comprises a deep reinforcement learning dynamic weight distribution module, a multi-objective optimization solving module, a model prediction control module based on digital twinning, a cross-layer coupling compensation algorithm module, an intelligent compensation mechanism module and an intelligent control execution module. According to the layered water taking intelligent control system and method based on multi-modal fusion and autonomous evolution, parameters such as water temperature, turbidity, dissolved oxygen and pollutant concentration of downstream effluent are controlled, and efficient and accurate control over layered water taking is achieved.

Disclosed in the present application are a flow valve and a control method therefor, a zero-cold-water circulation system of a water heater, and a water heater. The flow valve (100) is used for a zero-cold-water circulation system of a water heater. The zero-cold-water circulation system of the water heater comprises a heat exchanger (200), and a cold-water intake pipe (300) and a hot-water output pipe (400), which are in communication with the heat exchanger (200). The flow valve (100) comprises: a valve body (10), which is provided with a bypass flow passage (110) configured to bring the cold-water intake pipe (300) into communication with the hot-water output pipe (400), wherein the bypass flow passage (110) has at least a first branch passage (1101) and a second branch passage (1102) that are arranged in parallel; and a switching valve (20) disposed on the valve body (10) and configured to open or close the first branch passage (1101).

A wastewater recycling device, comprising a sedimentation mechanism (1), a sludge discharge mechanism (2) and a cleaning mechanism (3). The sedimentation mechanism (1) comprises a sedimentation tank (101), wherein the sedimentation tank (101) is provided with a first partition plate (103), a second partition plate (106), a third partition plate (107) and a collection plate (102). The sludge discharge mechanism (2) comprises a shielding disk (215) fixed to a sludge discharge pipe (213) by means of a rotary blade (214), rotating fan blades (203) rotationally connected inside a water intake pipe (202), and an associated transmission structure. The cleaning mechanism (3) comprises a piston plate (301) movably connected to the inner wall of the first partition plate (103), a compression spring (303) fixedly connected to the bottom of the piston plate (301), and a discharge chute (304) located on a side wall of the sedimentation tank (101); and further comprises a rotary cleaning rod (308) connected to a first floating block (305), and a scraper (310) connected to a second floating block (309).

The invention relates to the technical field of water conservancy and hydropower engineering, and discloses a sediment-carrying bed load riverway water taking structure which comprises a bed stabilizing structure, a flow guiding structure and a water taking structure, the bed stabilizing structure is arranged perpendicular to the water flow direction of a riverway, and one end of the bed stabilizing structure is connected with one side of the riverway; one side of the diversion structure is connected with the other end of the bed stabilizing structure, and the other side is connected with one end of the flood discharge gate; the water taking structure comprises a water taking weir, a pre-sedimentation tank and a sand blocking ridge, the pre-sedimentation tank is arranged on the other side of the river channel, the outer wall of the pre-sedimentation tank is connected with the flood discharge gate, the water taking weir is arranged on the side, close to the flood discharge gate, of the pre-sedimentation tank, and the sand blocking ridge is arranged on the downstream of the pre-sedimentation tank. The water taking structure carries out water taking and desilting, the water diversion and sand prevention problems of the river channel water taking opening are solved, and the operation efficiency of the water taking system is improved.

The application belongs to the technical field of hydraulic devices, and particularly relates to a deep diving oil pump oil cylinder integrated hydraulic machine and an application method thereof. The hydraulic machine comprises a hydraulic oil cylinder, an integrated power unit and a connecting structure. The integrated power unit comprises a pressure-bearing container, a motor pump group, a control valve group and an electric control system. The pressure-bearing container comprises a first chamber and a second chamber separated by a first partition structure. The containing space of the hydraulic oil forms a first communication channel and a second communication channel with the rodless chamber and the rod chamber of the hydraulic oil cylinder respectively. The electric control system controls the flow path and flow area of the hydraulic oil through the control valve group, and provides power for the flow of the hydraulic oil in the communication channel through the motor pump group. The connecting structure connects the hydraulic oil cylinder and the integrated power unit on the corresponding side of the rodless chamber and the rod chamber of the hydraulic oil cylinder respectively. Through the optimization of the spatial distribution and the flow path of the hydraulic oil by the highly integrated structure, the energy efficiency, the maintenance convenience and the reliability of the layered water intake gate of the system are improved.

The invention provides a saline-alkali soil crop multi-water-source irrigation control method and system, and belongs to the technical field of agriculture, and the method comprises the steps: determining an irrigation water salinity target threshold value and a target total irrigation amount according to soil salinity data and crop physiological parameters; determining a water distribution strategy based on the salinity concentration data, wherein the water distribution strategy at least comprises irrigation priorities and collocation of different types of water sources; based on the target irrigation total amount, the irrigation water salinity target threshold value and the water distribution strategy, the target water taking amount of each type of water source is determined; and generating an irrigation control instruction according to the target water intake amount. According to soil salinity, crop types, crop physiological parameters and salinity concentration of multiple water sources, the irrigation water salinity target threshold value and the irrigation water total amount are dynamically and accurately determined; and meanwhile, a priority water distribution strategy is formulated, so that flexible allocation of irrigation among multiple water sources and fine management of the salinity concentration of crop irrigation water can be realized, and soil salinization and crop salinity stress are effectively avoided.

The invention relates to a diagonal flow pump blade angle control method and system, a terminal and a storage medium, and relates to the technical field of diagonal flow pump control, and the diagonal flow pump blade angle control method comprises the steps that a real-time load data set and a historical load data set of a preset unit are obtained; analyzing the real-time load data set and the historical load data set to determine a confidence fusion load; judging whether the confidence fusion load is greater than a preset first response threshold; if not, a preset water taking diagonal flow pump blade is controlled to supply water to a preset condenser at a preset basic water taking angle, and a preset water storage diagonal flow pump blade is controlled to store water into a preset water storage pond at a preset basic water storage angle; if yes, analyzing the confidence fusion load to control a preset water storage pond to supplement water to a preset condenser, and controlling the angle of a preset water storage diagonal flow pump blade and the angle of a preset water taking diagonal flow pump blade to supply water to the condenser. The diagonal flow pump has the effect of improving the load response capacity of the diagonal flow pump.

The invention discloses a thermal power plant water intake pipeline water leakage identification method and system based on multi-modal data, and relates to the technical field of multi-modal data processing, and the method comprises the steps: determining a respective multi-modal fusion feature time sequence of each identification period according to multi-modal time sequence data; according to the multi-modal fusion feature time sequence, determining a multi-modal fusion feature time sequence prediction sequence of the (i + k + 1) th recognition period; determining a current period deviation matrix and a prediction period deviation matrix according to the multi-modal fusion feature time sequence and the multi-modal fusion feature time sequence prediction sequence; determining a current periodic feature gradient matrix and a prediction periodic feature gradient matrix according to the multi-modal fusion feature time sequence and the multi-modal fusion feature time sequence prediction sequence; and based on a water leakage identification model, generating a water leakage identification result according to the current period deviation matrix, the prediction period deviation matrix, the current period characteristic gradient matrix and the prediction period characteristic gradient matrix. The method has the effect of improving the reliability of water leakage identification of the water taking pipeline.

1. Name of the product in this design: Water tap. 2. Application of this design: for urban, agricultural and emergency water supply. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A multifunctional circulating flume test device and method for simulating riverbank slope damage under scouring and seepage effects belongs to the field of hydraulic engineering technology. Its water supply system includes pipelines, a water supply tank, a water pump, a leveling tower, and a drainage trough for providing water flow and drainage. The flume system includes a water intake trough, an energy dissipator, a circulating flume, a limiting module, and a tailgate for providing water flow channels and riverbank plasticity. The filtration system includes a filter pool, filter plates, and baffles for filtering and settling particles in the water and providing circulating water flow. The support system includes an adjustable support for supporting the entire circulating flume and providing slope. This invention overcomes the shortcomings of existing flume devices in simulating riverbank collapse tests due to fixed river morphology and limited functionality. It can simulate the scouring and damage process of straight riverbanks and study the scouring and damage process of concave and convex banks under varying bend conditions, providing theoretical and technical support for ecological bank protection engineering design and riverbank disaster prevention and mitigation. It can meet the multifunctional needs of scientific research and engineering practice.

This invention belongs to the field of household appliance technology and discloses an intelligent water intake method, device, blender, and storage medium for a high-speed blender. The method includes: detecting the amount of ingredients in the blending chamber; obtaining the ratio information corresponding to user settings; determining the total amount of water required for cooking based on the amount of ingredients in the blending chamber and the ratio information; and controlling the water intake of the blender based on the total water intake. Through this method, the amount of ingredients in the blending chamber is automatically detected during the cooking process, and the water intake is intelligently adjusted according to user settings, resulting in a beverage with a suitable consistency, improving the taste, and preventing machine malfunctions such as burning at the bottom or motor overheating due to excessively thick beverages.

The fire-fighting water intake comprises a protective well, a well lid covering a well mouth of the protective well and a straight pipe connected with a water outlet of the semi-underground fire-fighting water pool, the end, away from the semi-underground fire-fighting water pool, of the straight pipe is connected with a vertical pipe, and a top port of the vertical pipe extends into the protective well and is detachably connected with a sealing plate. A through hole is formed in the sealing plate and connected with a connector pipe, and a pipe opening of the connector pipe is provided with an inner buckling type water suction pipe connector used for being connected with a water taking pipe of a fire fighting truck. According to the fire-fighting water intake for the semi-underground fire-fighting pool, safe and rapid water intake of a fire-fighting truck is ensured, and the fire-fighting truck is ensured to fully utilize the water quantity of the fire-fighting pool in a fire disaster period.

The invention provides a multi-dimensional evaluation method and system for the thirst degree of a user, and the method comprises the steps: obtaining the body fluid detection data of the user, the blood detection data of the user, and the appearance detection image of the user, and extracting each water shortage characterization feature of the user based on the appearance detection image of the user; identifying the actual water shortage degree of the user through a water shortage degree evaluation model on the basis of each water shortage characterization feature of the user, the thirst degree independently narrated by the user, the body fluid detection data of the user and the blood detection data of the user; and recognizing the thirst degree independently narrated by the user, and recognizing the actual thirst degree of the user in combination with the actual water shortage degree of the user. By adopting the scheme, the evaluation accuracy of the actual thirst degree of the user who is limited to eat water can be improved, and a decision basis is provided for accurately identifying the water shortage condition of the user, preventing dehydration complications and optimizing liquid management.

The utility model provides a pipeline machine which is provided with a water inlet and a water taking opening and further comprises a pressure reduction assembly, a pumping assembly and a heating assembly, and a water inlet of the pressure reduction assembly communicates with the water inlet and is used for receiving water from the water inlet; a water inlet of the pumping assembly communicates with a water outlet of the pressure reduction assembly through a water inlet pipeline. A water inlet of the heating assembly communicates with a water outlet of the pumping assembly, and a water outlet of the heating assembly communicates with the water taking opening. In the embodiment, the pipeline machine can directly provide normal-temperature water from the water inlet and hot water heated by the heating assembly of the pipeline machine from the water intake. By arranging the pressure reducing assembly, the pipeline machine can be suitable for various types of water purifiers under the condition that a downstream pipeline is not changed. Due to the fact that no water tank is arranged, the size of the pipeline machine is greatly reduced, cost is low, and the pipeline machine is suitable for users with small purified water taking amount.

The invention relates to the technical field of marine environment simulation and risk assessment, in particular to a calculation method for simulating a blockage particle trajectory. The calculation method for simulating the particle trajectory of the blockages comprises the steps that a wave flow coupling model is constructed according to a grid file, and the grid file is constructed through a surface water simulation system; in a particle tracking module of the wave-flow coupling model, adjusting particle parameters of blockage particles according to the dynamic characteristics of the blockage; operating the particle tracking module to obtain simulated trajectory data of the blockage particles after particle parameter adjustment; and according to the simulated trajectory data, counting the number and probability of the blockage particles entering the predetermined range of the nuclear power station water intake so as to predict the blockage risk of the nuclear power station water intake. According to the calculation method, the drifting trajectory of the blockage object can be accurately simulated, the risk that the water intake is blocked is predicted, and a reliable quantitative basis is provided for water intake safety early warning and protection decision making of the nuclear power station.

The present application relates to the technical fields of water conservancy and hydropower engineering, and discloses a multi-sediment bed load river channel water intake structure, which comprises a stable bed structure, a flow guide structure and a water intake structure, the stable bed structure is arranged perpendicularly to the water flow direction of the river channel, and one end of the stable bed structure is connected with one side of the river channel; one side of the flow guide structure is connected with the other end of the stable bed structure, and the other side is connected with one end of a flood discharge gate; the water intake structure comprises a water intake weir, a pre-sedimentation tank and a sand blocking ridge, the pre-sedimentation tank is arranged on the other side of the river channel, the outer wall of the pre-sedimentation tank is connected with the flood discharge gate, the water intake weir is arranged on the side of the pre-sedimentation tank close to the flood discharge gate, and the sand blocking ridge is arranged downstream of the pre-sedimentation tank, the present application stabilizes the river regime through the stable bed structure, narrows the river bed below the flow guide structure to discharge the bed load, and the water intake structure is used for water intake and sand setting, so that the problem of water diversion and sand prevention of the river channel water intake is solved, and the operation efficiency of the water intake system is improved.

This application belongs to the field of home appliance technology and provides a control method, electronic device, and program product for a clothing processing device. The clothing processing device includes a main body, a drum, and a controller. The drum is installed in the main body and is used to load clothes to be washed. The controller is located in the main body and configured to perform the following: acquiring the current load weight of the drum; determining target washing parameters corresponding to the current load weight; and washing the clothes based on the target washing parameters. The target washing parameters include at least one of water intake, heating time, washing time, and washing rhythm. The clothing processing device provided in this application can significantly reduce energy consumption while cleaning clothes.

This invention discloses an ecological water treatment process, comprising the following steps: treatment using a fluidized bed biofilm reactor; adding cellulose / sepiolite composite packing material and nutrient solution to the fluidized bed biofilm reactor; inoculating the fluidized bed biofilm reactor with activated sludge and performing an aeration reaction; operating the fluidized bed biofilm reactor with continuous ecological water intake, aeration reaction, and pH adjustment within the system; continuous sludge recirculation from the secondary sedimentation tank of the fluidized bed biofilm reactor during operation; when the water treatment packing material in the fluidized bed biofilm reactor reaches a certain thickness, adjusting the dissolved oxygen and pH within the system; continuous sludge recirculation from the secondary sedimentation tank of the fluidized bed biofilm reactor, and effluent. This treatment process can effectively degrade toxic organic substances in ecological water and exhibits excellent adsorption and high removal rates for antibiotic residues, achieving the purpose of purifying ecological water.

Disclosed in the present invention are a washing machine and a control method therefor. The washing machine comprises an outer tub, wherein a water passage opening is provided in the bottom wall of the outer tub; an inner tub, which is arranged in the outer tub and can contain water independently, wherein a water flow opening and a valve component used for opening and closing the water flow opening are provided on the bottom wall of the inner tub; and a water sealing sleeve, which is arranged between the bottom wall of the inner tub and the bottom wall of the outer tub, is sleeved on the outer side of a shaft of the inner tub, and is internally provided with a hollow vertically penetrating channel, wherein the bottom end of the water sealing sleeve is in sealed connection with the bottom wall of the outer tub; the water passage opening is in communication with the hollow channel; the top end of the water sealing sleeve can move up and down to abut against and be separated from the valve component, so as to open and close the water passage opening; and when the top end of the water sealing sleeve moves upwards to abut against the valve component, the water sealing sleeve forms sealing with the part of the bottom wall of the inner tub around the periphery of the water flow opening, and the water flow opening is in communication with the water passage opening by means of the hollow channel. In the washing machine of the present invention, a water intake flow of the washing machine and a drainage water flow of the inner tub enter and exit from the inner tub by means of only the hollow channel in the water sealing sleeve, and do not enter a space between the inner tub and the outer tub, thereby ensuring cleanliness and sterility between the tubs.

An exemplary power system utilizes turbines configured within a water intake conduit to the desalination processor to produce power for the desalination processor. Water intakes are configured to provide a natural flow of water to the desalination processor though hydrostatic pressure. One or more turbines coupled with the water intake conduits are driven and produce power for the system, as well as through solar and battery power. The desalination processor incorporates Graphene filters to and may include a structured water system to increase the H3O2 concentration of the water prior to Graphene filters. Discharge water may be pumped back into the body of water but be separated from the intakes. A secondary power source, such as a renewable power source, may be used to produce supplemental power for the system. Power produced may be provided to a secondary outlet, such as a power grid, all above and / or underground.

The layered water taking system based on the gravity dam comprises a vertical shaft, three vertical shaft type water taking openings are sequentially formed in one side of the upstream of the vertical shaft, the three vertical shaft type water taking openings are arranged according to the dead water level and the normal water storage level elevation of a reservoir, and the three vertical shaft type water taking openings are each provided with an overhauling mechanism. The layered water taking system based on the gravity dam solves the problems that an existing conventional maintenance system of the gravity dam depends on a single valve form, when a valve breaks down, a reservoir needs to be emptied for maintenance, and water taking continuity is seriously affected, and later maintenance is facilitated.

A water treatment system for a water reservoir comprises a collection box; a rotary drum filter arranged to receive gravity flow from the collection box through a receiving line; a primary bio-filter; a secondary bio-filter; one or more connecting lines originating at the rotary drum filter and comprising at least a first outlet line connected to the primary bio-filter and a second outlet line connected to the secondary bio-filter, the second outlet line comprising a pump; and a return line originating at the primary bio-filter and terminating at the water reservoir. The collection box has a bottom and sides defining an interior volume, and comprises a first water intake having a first riser; a second water intake having a second riser; and a third water intake having a third riser, each riser being disposed inside the interior volume and extend upwardly from the bottom of the collection box.

This invention discloses a direct air-to-water system using heat flow effect coupled with sky radiation cooling, comprising: a heat flow-type water intake device, which includes at least one heat flow-type water intake unit, the heat flow-type water intake unit including a shell, a hot cavity, a cold cavity, and a microchannel assembly; the cold cavity is provided with a cold cavity heat exchanger and a cold cavity drain outlet; an air inlet pipe connected to the cold cavity air inlet; a cold cavity water collection pipe; a sky radiation cooling water collection device, which is provided with a humid air flow channel; the hot cavity exhaust outlet is connected to the inlet at one end of the humid air flow channel; the other end of the humid air flow channel is provided with a condensate outlet and a dry cold air outlet; a dry cold air pipe for introducing dry cold air into the cold cavity heat exchanger; a cooling water collection pipe; and a water collection tank, the cold cavity water collection pipe connecting the cold cavity drain outlet to the water collection tank, and the cooling water collection pipe connecting the condensate outlet to the water collection tank. The water intake system using this invention is unaffected by air humidity and can utilize renewable energy to obtain fresh water from the air.