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3154results about "Drinking water installation" patented technology

Photovoltaic power generation and air water taking irrigation system

The invention provides a photovoltaic power generation and air water taking irrigation system, comprising: a photovoltaic power generation module for generating electric energy by using light energy; the gel adsorption module is connected with the photovoltaic power generation module and is used for adsorbing water vapor in air by using gel and driving the gel to desorb and release the water vapor by using waste heat generated by the photovoltaic power generation module; the condensation water collection module is connected with the gel adsorption module and is used for condensing the water vapor to obtain condensed water; the crop irrigation module is connected with the condensation water collection module and is used for irrigating crops by utilizing the collected condensate water; the soil detection module is connected with the crop irrigation module and used for controlling irrigation according to the detected crop root system soil humidity, collaborative production of water, electricity and crops can be achieved under the condition that no external input exists in the island reef environment, and the problems that in the island reef environment, fresh water is in shortage, electricity is insufficient, and self-sufficiency of agricultural production is difficult are solved.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Sponge city rainwater treatment system based on big data

The invention discloses a sponge city rainwater treatment system based on big data, which comprises a data acquisition module, and relates to the technical field of sponge city rainwater treatment.In a rainwater purification module, an automatic purifying agent adding program is started, so that the rainwater purification efficiency is improved, and rainwater is accelerated to flow into the rainwater purification module; a water storage space is vacated for a rainwater regulation and storage facility; a drainage valve of the drainage pipe is in a semi-open state, rainwater overflow in the rainwater regulation and storage facility caused by the fact that a large amount of initial rainwater rapidly flows into the rainwater regulation and storage facility is avoided, and the rainwater is dredged in order; when the time is within the overflow risk time period and reaches the dynamic early warning threshold value, the rainwater is further dredged through the fact that the drainage valve of the drainage pipe is in a full-open state and the operation power of the pump station is increased; at the moment, the rainwater regulation and storage facility conducts intermittent drainage, the time needed for reducing the water stored in the rainwater regulation and storage facility to be below the early warning threshold value is shortened, and the urban waterlogging risk is reduced.
Owner:DANDONG CHENGYIDA INFORMATION TECHNOLOGY CO LTD

Rainwater and wastewater recycling system for construction site

The invention provides a rainwater and wastewater recycling system for a construction site, and relates to the technical field of rainwater collection, the rainwater and wastewater recycling system comprises an underground water well, a water collecting tank is arranged at the upper end of the underground water well, a center shaft is installed at the circle center of the underground water well, and the water collecting tank is rotatably installed on the surface of the center shaft through a bearing; an unfolding assembly is arranged at the top of the water collecting tank, the water spraying rods can be unfolded and folded through the unfolding assembly, in the unfolding state, the plastic cloth between the two water spraying rods can be unfolded to form an umbrella-shaped structure, and rainwater flows into the water collecting tank through the surfaces of the different plastic cloth; impurities and soil in rainwater are filtered in the space formed by the interlayers in the water collecting tank, then the rainwater is collected by the underground water well, when the water spraying rod is folded, the rainwater collected in the underground water well can serve as dust falling spraying water to be conveyed to the water spraying rod, rainwater collection and recycling are achieved, and the device is convenient to install and suitable for a construction site.
Owner:HUBEI IND CONSTR GRP

Green ecological energy-saving roof irrigation system and use method thereof

The invention discloses a green ecological energy-saving irrigation roof system and a using method thereof, and relates to the technical field of building roofs. A green ecological energy-saving irrigation roof system comprises a root blocking waterproof layer, a blind ditch structure layer, a non-woven fabric filter layer, a planting layer and a vegetation layer which are arranged on a roof from bottom to top, a rainwater collecting device is arranged in the blind ditch structure layer, an irrigation device is arranged on the planting layer, the rainwater collecting device is communicated with a water storage tank, and the water storage tank is communicated with the irrigation device through a water suction pump; a soil humidity sensor is arranged in the planting layer, the soil humidity sensor and the water suction pump are both connected with the controller, and the solar power supply device is used for supplying power to the water suction pump, the soil humidity sensor and the controller. The solar power supply device is arranged on the roof and used for supplying power to electric equipment in the whole roof system, power supply depending on mains supply is avoided, near-zero-energy-consumption operation is achieved, the building capacity and energy consumption self-balance requirements are met, and the purposes of environment friendliness and energy conservation are achieved.
Owner:CHINA MCC5 GROUP CORP LTD

Prefabricated drainage box culvert steel formwork construction technology

The invention discloses a construction technology for a prefabricated drainage box culvert steel formwork, and is suitable for the technical field of box culvert formwork construction. The drainage box culvert steel formwork system comprises the construction steps of construction preparation, installation of a pedestal and an inner formwork support, installation of a box culvert foundation, installation of an inner formwork assembly, installation of a formwork assembly, one-time pouring forming, formwork removal after pouring and transferring. The construction site regionalization layout is adopted, a box culvert steel bar binding area and a formwork installation transverse moving area with an adjustable inner formwork support are arranged, the circulating operation of formwork erecting, pouring, demolding and transferring is achieved through a main beam suspension type inner formwork assembly, and a hydraulic formwork collecting device is innovatively adopted for driving a symmetrical hinged type inner formwork system; and in combination with the symmetry and multi-point uniform stress characteristics of a plurality of auxiliary supporting devices, the bending deformation of the inner template is effectively controlled through sequential control of a layered equal-height high-speed pouring process with preferential base angles.
Owner:CCCC FOURTH HARBOR ENG CO LTD +1

Steam washing device and range hood

The invention relates to the technical field of range hood cleaning, and discloses a steam washing device and a range hood, and the steam washing device comprises a steam generator and a water production module. The steam generator is provided with a steam cavity and a water inlet communicated with the steam cavity, and the steam generator is used for heating the cleaning medium in the steam cavity to generate steam. The water production module is connected with the steam generator, the water production module comprises a refrigeration sheet and a condensation fin, the condensation fin is connected to the refrigeration sheet, and at least part of the condensation fin extends to the water inlet. Wherein the refrigeration sheet is used for providing cooling capacity and conducting the cooling capacity to the condensation fin, and the condensation fin is used for condensing water vapor in air to form condensed water and guiding the condensed water to flow to the water inlet so as to enter the steam cavity to supplement the cleaning medium. According to the technical scheme, automatic water supplementing without a water pump and a water tank can be achieved, condensate water is formed by condensing water vapor in air to supplement the cleaning medium, and continuous operation of the steam washing function is stably guaranteed.
Owner:FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING CO LTD

All-working-condition air water making unit

The invention discloses an all-working-condition air water production unit, which belongs to the technical field of air water production, and comprises a high-humidity air inlet channel, a low-humidity air inlet channel, a channel switching device and a water production channel, and the high-humidity air inlet channel and the low-humidity air inlet channel are both communicated with the water production channel; air flowing out of the high-humidity air inlet channel or the low-humidity air inlet channel enters the water production channel so that the water production channel can produce water. According to the invention, the high-humidity operation mode or the low-humidity operation mode is automatically switched according to the air inlet humidity. A traditional unit can only operate under a single working condition. According to the invention, the optimal energy efficiency and water production rate can be kept in different environments.
Owner:GUANGZHOU TONGFANG RUIFENG ENERGY SAVING TECH CO LTD

Intelligent water-saving and energy-saving vegetable greenhouse

The intelligent water-saving and energy-saving vegetable greenhouse comprises a controller, a greenhouse roof and an initial rainwater discarding device, a plurality of rainwater guiding grooves are formed in the greenhouse roof, the initial rainwater discarding device comprises a rainwater container and a U-shaped pipe, a filtering cavity is formed in the top of the rainwater container and communicates with the rainwater container through a water collecting opening, one side of the filtering cavity communicates with the rainwater guiding grooves, and the other side of the filtering cavity communicates with the U-shaped pipe; one end of the U-shaped pipe is communicated with the bottom of the rainwater container, the other end of the U-shaped pipe is a drainage end, the water flow of the drainage end of the U-shaped pipe is smaller than that of the water collecting opening, the water collecting opening is connected with a floating ball through a rope, and the radial size of the floating ball is larger than the radial size of the water collecting opening; a drip irrigation pipeline is arranged in the greenhouse and communicated with the water storage tank through a water pump, and the controller is connected with the water pump. According to the greenhouse, the rainwater collection efficiency and cleanliness can be improved, the integrated design of rainwater collection, automatic irrigation and temperature and humidity adjustment is achieved, and the integration, the environmental protection property and the resource utilization efficiency of the greenhouse are improved.
Owner:SHANDONG UNIV

Photovoltaic car shed integrated device and using method thereof

The invention discloses a photovoltaic car shed integrated device and a using method thereof, and belongs to the technical field of photovoltaic power generation and building integration. Comprising an intelligent photovoltaic power generation module which realizes efficient photoelectric conversion and has the functions of shed sunshade and rainwater collection; the power conversion module executes efficient bidirectional power conversion and intelligent flow direction control among three ports of photovoltaic power generation, an energy storage battery and a charging load; the intelligent energy storage management module realizes safe and reliable operation and service life maximization of an energy storage battery; the intelligent charging service module is used for dynamically adjusting the charging power and realizing intelligent charging scheduling through user behavior learning; the predictive energy management module is used for realizing real-time prediction and optimal scheduling of generated power and load requirements and maximizing economic benefits; the modular structure integrated module supports quick installation, independent maintenance and flexible expansion of each functional module through a standardized interface design and a quick-plug connector, and provides unified mechanical support and environmental protection at the same time.
Owner:CHINA RAILWAY NEW INFRASTRUCTURE (HENAN) CONSTRUCTION CO LTD

Full-automatic water condensation and collection system and method in desert

The invention discloses a full-automatic condensation water collection system and method in desert, and the system comprises an environment pretreatment layer: a bionic honeycomb filter screen is combined with an electrostatic adsorption technology to filter sand and dust, a spiral pre-cooling channel is used for pre-cooling, and back flushing cleaning is automatically started every 2 hours to maintain the performance of the filter screen; in the energy supply layer, the optimal combination of photovoltaic-wind energy-heat energy three-mode power generation is dynamically calculated through an AI algorithm; photovoltaic power supply is preferentially used in the daytime, and residual energy is stored in the nitrate phase change energy storage material; wind power generation is started when the wind speed is high at night, and phase-change energy storage is used for complementing when the wind speed is insufficient; condensing the core layer: when the environment humidity is relatively high, the modified MOF material preferentially adsorbs water vapor, and switching to a condensation mode every 4 hours; the thermoelectric refrigeration sheet is started to trigger phase change condensation; the intelligent control layer is used for collecting data through a sensor, predicting future environmental parameters through an LSTM neural network and adjusting condensation power in advance; and fault early warning is carried out by combining vibration analysis and temperature gradient detection.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Underground comprehensive pipe gallery for rainwater regulation and storage of sponge city

The invention discloses an underground comprehensive pipe gallery for sponge city rainwater regulation and storage, and belongs to the technical field of comprehensive pipe galleries, the underground comprehensive pipe gallery comprises a regulation and storage pipe gallery box culvert and a water storage pipe gallery box culvert, the regulation and storage pipe gallery box culvert and the water storage pipe gallery box culvert each comprise an upper functional area and a lower treatment area, and each lower treatment area comprises a water inlet area, a settling area and a water outlet area which are sequentially arranged; a water inlet area of the water regulation and storage treatment area is communicated with the water inlet channel, a water storage pump is arranged in a water outlet area of the water regulation and storage treatment area and connected with a water storage capsule in the water storage pipe gallery box culvert through a pipeline, and a calling pump is arranged in the water storage capsule and connected with the water outlet channel of the water regulation and storage pipe gallery box culvert through a pipeline. According to the underground comprehensive pipe rack for rainwater regulation and storage of the sponge city, rainwater is stored after being subjected to precipitation treatment, the water storage capsules are adopted for water storage, the water storage capsules are arranged in the second water supply culvert, the occupied area is small, and the water storage capacity is improved.
Owner:FUZHOU PLANNING DESIGN & RES INST

A multi-energy complementary system of wind, solar, and storage water pumping and rainwater harvesting for coordinated irrigation.

This invention discloses a wind-solar-storage multi-energy complementary water lifting and rainwater harvesting coordinated irrigation system, relating to the field of intelligent irrigation. The system includes: a power unit, a rainwater harvesting unit, a water lifting unit, sprinkler irrigation equipment, and a drone formation. The drone formation is used to fly carrying the sprinkler heads and water pipes of the sprinkler equipment under the control of the control system, and to adjust the sprinkler head's spray position under the control of the control system, and to maintain a safe distance between the water pipes in the sprinkler equipment and ground obstacles under the control of the control system. This invention can realize intelligent and low-cost irrigation for citrus planting in hillside areas.
Owner:SICHUAN ACADEMY OF AGRICULTURAL MACHINERY SCIENCES

System for controlling development of hot melt lakes and ponds through regulation and storage combination and ecological conservation

The invention relates to a system for controlling development of a hot melt pond through regulation and storage combination and ecological conservation. The system comprises water storage type floating bed units, ecological grass felt units and capillary water supply units, wherein the water storage type floating bed units cover the water surface of the hot melt pond and are arranged in an array mode, the ecological grass felt units are arranged on the water storage type floating bed units, and the capillary water supply units are connected with the ecological grass felt units. Each water storage type floating bed unit is a prefabricated floating carrier of an inverted convex structure, the whole upper part of each floating carrier is a concave groove, the bottom of each floating carrier is provided with array type concave water storage small pools, and the four corners of each floating carrier are provided with fixed round holes; drainage and ventilation holes are distributed in the rib top between every two adjacent array type concave water storage small pools; each ecological grass felt unit is sequentially composed of a vegetation layer, a capillary water blocking layer, a substrate layer and a porous supporting layer from top to bottom. The capillary water supply unit is composed of a main capillary water supply part and an auxiliary capillary water supply part. The method can effectively reduce the thermal erosion effect of the hot melting pond, and achieves the purpose of promoting the stability of frozen soil engineering near the hot melting pond.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Fabricated tenon-and-mortise retention wall and construction method

The invention discloses an assembly type mortise and tenon joint retention wall and a construction method. The retention wall comprises a foundation base, a vertical water baffle and a dust removal and dirt removal unit. The foundation base is formed by pouring reinforced concrete on the installation site, and a second mortise is formed in the foundation base. A plurality of groups of vertical water baffles are arranged according to water retaining requirements, second tenons matched with the second mortises are arranged at the bottoms of plate bodies of the vertical water baffles, and first mortises and first tenons matched with the first mortises are arranged on the two sides of the plate bodies correspondingly; the foundation base is connected with the vertical water baffles in a two-section mortise and tenon mode, and the water baffles are connected in a mortise and tenon and wedge nail tenon combination mode. The dust removal and decontamination unit comprises a water passing hole, a three-stage reservoir, a dust removal spraying pipe and a dredging spraying pipe; sewage is filtered through the water passing holes, then enters the third-stage water storage pool and is sprayed out from the dust removal spraying pipe and the desilting spraying pipe according to needs, and the dust falling function and the desilting function are achieved respectively. According to the retention wall, the stability of the overall structure is greatly improved, and water resources can be recycled.
Owner:CHINA FIRST METALLURGICAL GROUP

Sponge city seepage and drainage structure and sponge city water circulation system

The invention discloses a sponge city seepage and drainage structure and a sponge city water circulation system, and relates to the technical field of sponge city construction. A capillary air flotation grading pretreatment unit, a rhizosphere electro-catalysis layer and a mineral conversion filler layer are sequentially arranged below the permeable pavement layer in the rainwater permeation direction, and the drainage layer is a piezoelectric drainage layer; according to the method, blockages are subjected to capillary air flotation classification, minerals are converted into purification carriers, solid waste outward transportation is avoided, and heavy metal pollution is prevented; the water circulation end depends on photovoltaics, an external power grid is not needed, and carbon is reduced; sensor linkage adapts to a purification mode of high / low-pollution rainwater, and a straw self-cleaning function at the seepage and drainage end is prevented from being interrupted; the magnetic sensitive medium is prepared by converting blockages, outsourcing is avoided, and the cost is reduced; the ultrafine particles in the by-products assist in purification, the uleucite is used for preparing the pervious concrete, and the zeolite is used for improving the soil, so that environmental protection and resource regeneration are realized.
Owner:INNER MONGOLIA UNIV OF SCI & TECH

Stacked rainwater recycling module

The utility model relates to the technical field of rainwater collection and utilization, and discloses a stacked rainwater recovery module which comprises a collection structure, a stacked structure and a filtering structure are installed on the collection structure, the stacked structure comprises a longitudinal rod, a driving box, a fixing block and a motor, the longitudinal rod is provided with a plurality of drainage plates through a rotating shaft, and the drainage plates are connected with the driving box. A rotating shaft is fixedly installed on the outer side of the longitudinal rod, a gear is fixedly installed on the rotating shaft and located on the outer side of the longitudinal rod, the driving box is fixedly installed on the longitudinal rod through a fixing block, a rack is installed on the driving box through a motor and a lead screw in a threaded mode, and the rack is meshed with the gear. The angle of the drainage plates is adjusted, the guiding direction and speed of water flow can be flexibly adjusted according to different rainfall intensity, wind speed and other environmental factors when rainwater enters the collecting box, the number of the drainage plates is three, the drainage plates are sequentially lengthened from top to bottom, and the situation that the water flow is gathered too fast is avoided.
Owner:SUZHOU FENGHONGLI ECOLOGICAL TECH CO LTD

Efficient heat dissipation type switch cabinet

The invention discloses a high-efficiency heat dissipation type switch cabinet, and relates to the technical field of switch cabinets, the high-efficiency heat dissipation type switch cabinet comprises a main body and a first assembly installed on the main body, the first assembly comprises a positioning shell used for assisting subsequent component installation, a through groove is formed in the middle of the positioning shell, and side cavities are formed in the four corners of an inner cavity of the positioning shell; a honeycomb plate A is slidably connected into the positioning shell; through the arrangement of the water collecting cavity, rainwater is collected, moisture prevention can be triggered, in the rain-free period, the rainwater stored in the water collecting cavity can be matched with the heat dissipation fins, the honeycomb plate A and other components in the main body to form a heat exchange loop, heat in the main body is in contact with the heat dissipation fins after rising, and the heat dissipation effect is improved. The honeycomb plate A and the honeycomb plate B above the main body transfer heat absorbed by the fins to rainwater by utilizing the high heat conduction characteristic of a honeycomb structure, the heat is taken away through natural evaporation of the rainwater, and the heat dissipation capacity in the absence of rain is enhanced by utilizing the specific heat capacity characteristic of the rainwater under the condition that no extra energy is consumed.
Owner:XINTAI ENGINEERING TECHNOLOGY (HANGZHOU) CO LTD

Ecological photovoltaic-based desertification control device

PCT designated stageWO2025222906A1Watering devicesCultivating equipmentsWater storageRain fall
Disclosed in the present invention is an ecological photovoltaic-based desertification control device, comprising a bottom photovoltaic support, an intermediate collecting frame, and an upper photovoltaic module. The intermediate collecting frame is correspondingly mounted on the bottom photovoltaic support, so that the intermediate collecting frame is arranged in an inclined direction, the upper photovoltaic module is correspondingly mounted on the intermediate collecting frame by means of supporting rods, and the inclination angle of the upper photovoltaic module is consistent with that of the intermediate collecting frame; and the size of the intermediate collecting frame is larger than that of the upper photovoltaic module locate above same, so that a rain falling gap is formed around the outer side of the upper photovoltaic module, and rainwater flowing down from the upper photovoltaic module falls into the intermediate collecting frame from the rain falling gap and is used for ecological desertification control. In the present invention, rainwater can be received in a large range, the water storage amount is large, and rainwater can be efficiently collected; and a flippable filter screen is provided, so that debris and dust and the like in rainwater can be filtered out, and the flippable filter screen can flip, so that whether impurities on the flippable filter screen or impurities in the intermediate collecting frame, etc. can be conveniently removed.
Owner:EXPERIMENTAL CENT OF DESERT FORESTRY CAF

Condensate irrigation system based on renewable energy sources

The invention provides a condensate water irrigation system based on renewable energy sources, belongs to the technical field of irrigation systems, and aims to solve the problem that an existing irrigation device cannot solve the problem that the irrigation cost is high at the same time from the aspects of water sources and energy consumption. The condensate irrigation system based on renewable energy comprises an air condensate machine, a water storage tank, a first valve, an irrigation water pump, a second valve, an irrigation network and a photovoltaic controller, wherein the air condensate machine is used for condensing water vapor in air into liquid water and collecting the liquid water; the water storage tank is communicated with the air water condenser through a first valve; the water storage tank is communicated with the water inlet end of the irrigation water pump through a second valve; the water outlet end of the irrigation water pump is communicated with the irrigation network, the photovoltaic controller comprises a solar photovoltaic panel array and a storage battery, the solar photovoltaic panel array is used for charging the storage battery, and the storage battery is used for supplying power to the air water condensing machine and the irrigation water pump. The problem of high irrigation cost can be solved from the aspects of water source and energy consumption, and healthy growth of crops is guaranteed.
Owner:HARBIN INST OF TECH

Battery power management apparatus and method for electric vehicles and / or hybrid vehicles and / or an electric vehicle and / or a hybrid vehicle which provides for atmospheric water harvesting and / or hydrogen harvesting

An apparatus, including a controller; an air intake system located at a vehicle; an air filtration system; an environmental control system; an air tank located at the vehicle; a water harvesting system; a water filtration system; and a water storage tank located at the vehicle. The controller controls an operation of the air intake system, the air filtration system, the environmental control system, the water harvesting system, and the water filtration system. The air intake system intakes air from an external environment, and the air filtration system filters or purifies the air. The environmental control system heats the air or cools the air. The air tank stores the air and the water harvesting system harvests water from the air. The water filtration system filters or purifies the water and the water storage tank stores the water.
Owner:JOAO RAYMOND ANTHONY

Multi-energy cooperative power generation platform integrating wind energy, solar energy, rainwater potential energy and wave energy

The invention provides a multi-energy cooperative power generation platform integrating wind energy, solar energy, rainwater potential energy and wave energy, and belongs to the technical field of clean energy power generation. The platform comprises a wind power generation assembly, a solar photovoltaic power generation assembly, a multi-stage potential energy power generation assembly, a wave energy power generation assembly, a power storage system, a tower and a cabin. The tower is tubular-column-shaped, the top is provided with a cabin, and the bottom is fixed on the seabed or floats on the sea surface and is used for connecting the power generation assemblies; the wind power generation assembly is located at the upper end of the tower, the solar photovoltaic power generation assembly is located outside the tower, the multi-stage potential energy power generation assembly comprises a multi-stage potential energy power generation device arranged in the tower and a rainwater collection device integrated with the cabin, and the wave energy power generation assembly is used for generating electric energy through wave fluctuation. The electricity storage system is located in the tower to store electric energy. The multi-dimensional space-time complementation is realized by integrating four types of energy, the power supply continuity is improved, the space utilization rate is improved by multiplexing the supporting structure, and the cost is reduced.
Owner:JIANGSU UNIV +1

Terrace type debris flow gully slope protection structure

The invention relates to a debris flow gully slope protection structure, and relates to the technical field of water conservancy projects. Multi-stage counter-slope terraces are arranged on the slope surface of the debris flow gully slope from the bottom end to the top end, each terrace structure comprises a terrace surface, ridges and a terrace ditch which are arranged upwards at intervals along a contour line, each layer of counter-slope terrace is separated by using a mortar rubble retaining wall as the ridge, the terrace surface is covered with soil by using a slope native soil layer, and the terrace ditch is connected with the ridge of the next stage of terrace by adopting a mortar rubble material. The field surface has a reverse slope inclination angle of 5-10 degrees, and crops can be planted on the field surface. The field ditches are communicated with main drainage ditches on the two sides of the terrace along the contour line downwards, and metal gates are arranged at the joints to control water flow, are closed when water storage is needed and are opened when water drainage is needed. The structure can effectively reduce the material, construction and maintenance cost, has high debris flow resistance, can stabilize the debris flow channel slope, reduces the water and soil loss of the slope, plays a role in terrace water storage and drainage, and further protects and promotes the growth of crops.
Owner:邹丰翼

Method for agricultural-photovoltaic complementary rainwater harvesting and automatic irrigation on a tableland

The present invention discloses a method for agricultural-photovoltaic complementary rainwater harvesting and automatic irrigation on a tableland and relates to the technical field of photovoltaic power generation. The method for agricultural-photovoltaic complementary rainwater harvesting and automatic irrigation on a tableland of the present invention comprises the following steps: S1. Monitoring the soil water content of the tableland and creating a model for the daily water demand Q1 of the tableland crop; S2. Setting a minimum alarm value P1 and a maximum alarm value P2 of the soil water content of the tableland. When the soil water content of the tableland is lower than the minimum alarm value P1, the spray pipe starts spraying, and when the soil water content of the tableland reaches the maximum alarm value P2, the spray pipe stops spraying; S3.Monitoring the water level in the water collection tank and setting a first alarm level H1 and a second alarm level H2. When the water level is lower than H1, the water body is supplied to the water collection tank. When the water level is at H2, the water supply assembly stops supplying the water body to the water collection tank. The method for agricultural-photovoltaic complementary rainwater harvesting and automatic irrigation on a tableland of the present invention can use rainwater to automatically irrigate the tableland, ensure normal crop yield, and achieve win-win complementarity between agriculture and the photovoltaic industry.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD

River ecological protection slope

The invention discloses a riverway ecological protection slope, and relates to the technical field of riverway nursing, the riverway ecological protection slope comprises a protection slope body which is sequentially arranged from the slope top to the slope toe, the protection slope body comprises a foundation supporting layer, an ecological structure layer and a vegetation community layer from inside to outside, and the ecological structure layer comprises a geotechnical composite material layer laid on the foundation supporting layer; the geotechnical composite material layer is of a three-dimensional net-shaped structure or a bag-type structure. Complex mechanical transmission, movable parts and sealing structures are completely omitted. The ecological niche complementary mixed planting mode of deep-rooted shrubs, shallow-rooted herbaceous plants and slope toe aquatic plants is adopted, the deep-rooted shrubs can enhance the deep stability of a slope body, the shallow-rooted herbaceous plants quickly cover a slope surface to reduce surface erosion, the aquatic plants are connected with a water and land ecological interface, and the deep-rooted shrubs, the shallow-rooted herbaceous plants and the water and land ecological interface cooperate to form a multi-layer and high-stability vegetation community; the water and soil conservation capacity of the bank slope is improved, diversified habitats are provided for animals and plants, and the natural ecological function of the river bank slope is restored.
Owner:YANCHENG WATER CONSERVANCY RECONNAISSANCE DESIGN INST

Storage and gradual release of storm water with MMVF

The present invention relates to a storm water management system comprising a first conduit, a storage device, a first well and a valve, wherein the storage device comprises a coherent man-made vitreous fibre module (MMVF module), wherein the MMVF module comprises an upper passage and a lower passage, wherein the upper passage is in fluid communication with the first conduit, and wherein the lower passage is connected to the first well by the valve.
Owner:ROCKWOOL AS

Balance weight type ecological road shoulder retaining wall

The invention discloses a balance weight type ecological road shoulder retaining wall, and relates to the technical field of balance weight type road shoulder retaining walls, the balance weight type ecological road shoulder retaining wall comprises a retaining wall mechanism, the retaining wall mechanism comprises a soil filling layer, a stone wall is piled in the soil filling layer, and a plurality of tie rods are fixedly embedded in the stone wall; the other end of each tie rod is fixedly embedded in the soil filling layer, a first clay anti-seepage layer is laid in the soil filling layer, the left side face of the first clay anti-seepage layer makes contact with the right side face of the stone wall, and the left side face of the stone wall is fixedly connected with a fly side wall. The stored rainwater can be supplied to vegetation at the landscape ecological side slope through capillarity, so that the vegetation can obtain relatively sufficient water, normal growth of the vegetation around the landscape ecological side slope is guaranteed, the balance weight type ecological road shoulder retaining wall can better assist growth of the vegetation in the landscape ecological environment, and the landscape ecological side slope is protected. The landscape ecological environment maintaining effect of the balance weight type road shoulder retaining wall is improved to a certain degree.
Owner:SHANXI FIRST CONSTR GROUP

Deep foundation pit dewatering-recharging control method, device and system

The invention provides a deep foundation pit dewatering-recharge control method, device and system.The deep foundation pit dewatering-recharge control method comprises the steps that a target area is monitored in real time, and environmental data of the target area are collected; the environment data comprises water level data, water quality data and deformation data; constructing a multi-physical field coupling prediction model, and predicting a future environmental response of the target area based on the environmental data to obtain a prediction result; performing a global collaborative optimization control decision based on the prediction result, and generating a control instruction; and executing the control instruction, and carrying out multi-stage emergency response. Through the method and the system, the environment can be more comprehensively sensed, the risk can be accurately predicted, intelligent collaborative regulation and control of rainfall-recharge can be realized, the environmental influence can be reduced, the resource utilization efficiency can be improved, and the problem of poor monitoring and prediction accuracy of a complex environment in the prior art can be solved.
Owner:CHINA FIRST METALLURGICAL GROUP

Artificial rainwater collection irrigation method for broken hillside cultivated land in stony desertification area

An artificial rainwater collection irrigation method for broken hillside cultivated land in a stony desertification area comprises the steps that data such as broken bed rock surface trend and cultivated land distribution are measured in the field; calculating some important parameters by analyzing multi-year meteorological data: the mode of the number of rainwater collection cycles every year, the mode of rainfall in a rainfall period, the mode of illumination duration in an illumination period and the mode of single rainfall intensity; an artificial rainwater collecting surface is arranged, the material, the structure and the angle of the artificial rainwater collecting surface all have certain particularity, a confluence system is constructed, a low-position water collecting pool and a high-position water storage pool form an irrigation system, and the rainwater collecting area, the inner diameter of a confluence pipe, the storage battery capacitance, the photovoltaic panel area and the water pump power are calculated based on the important parameters; rainwater is collected in the main rainfall period in one year, and irrigation is conducted in the dry season. The system is particularly suitable for irrigation of broken hillside cultivated land in a stony desertification area with poor lithiasis ditch integrity, and irrigation requirements, a water collecting surface, a confluence path, a water collecting pool, a water storage tank and light energy can be integrally matched.
Owner:GUIZHOU NORMAL UNIVERSITY

Mud flat spraying system

The invention provides a mud flat spraying system, which belongs to the technical field of spraying systems and comprises a water storage tank, a desalination container, a desalination channel, a water pumping pipe and a water pump. The desalination container has a desalination chamber. One end of the desalination channel is communicated with the water storage tank, and the other end is communicated with the top of the desalination cavity. The first end of the water pumping pipe is fixedly connected with the water storage tank and communicates with the bottom in the water storage tank. The water suction pump is arranged on the water suction pipe. According to the mud flat spraying system provided by the invention, seawater is injected into the desalination cavity nearby, steam formed during evaporation of the seawater enters the water storage tank through the desalination channel and is condensed to form fresh water to be stored in the water storage tank, and the water suction pump can pump water in the water storage tank through the water suction pipe to irrigate plants such as suaeda heteroptera. Therefore, the amount of fresh water conveyed to an engineering site is reduced, and the problem that a large amount of fresh water needs to be conveyed to the engineering site in coastal mud flat ecological restoration engineering is avoided.
Owner:DONGYING MARINE PROTECTION & DEVELOPMENT INSTITUTE

Methods for water harvesting

A method for harvesting water includes contacting a nanoporous carbon (NPC) material with a stream of humid atmospheric air, thereby at least partially absorbing water in the form of molecules on surfaces and pores of the NPC material to form a sample, releasing the water from the sample by thermally heating the sample or exposing the sample to ultraviolet-visible (UV-Vis) radiation; and collecting the water. A method of making the NPC material by calcining one or more petroleum feedstocks is also disclosed.
Owner:SAUDI ARABIAN OIL CO