2850results about "Drinking water installation" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses an intelligent greenhouse irrigation system taking water from air, which belongs to the field of agricultural engineering and intelligent control and comprises a greenhouse main body, a flow guide device, a photovoltaic module, a storage battery, a multi-source sensor, a digital twinborn module, an irrigation decision module, an intelligent execution module, a visual management platform and an ecological collaboration module. The greenhouse main body realizes cooling and condensed water collection by utilizing a surface functional coating, and water is guided into the water cellar through the flow guide device; the photovoltaic system cooperates with the phase-change material to realize power generation, heat storage and temperature compensation; the digital twinborn module is fused with multi-source data to construct a virtual model, and crop water demand and environment change are predicted; the irrigation decision module formulates an optimization strategy according to the water volume, the electric quantity and the prediction result; the intelligent execution module accurately controls irrigation and feeds back and adjusts in real time; and the ecological cooperation module is linked with regional environment data to realize overall management of greenhouse water consumption and ecological protection. According to the system, cooperative utilization of water resources and energy is achieved, and irrigation intellectualization is improved.

The invention belongs to the technical field of rainwater treatment, and particularly relates to a landscape bridge rainwater collection and purification treatment device based on multi-stage filtration, which comprises a first-stage filtration mechanism, a second-stage filtration mechanism, a buffer mechanism and a water collection tank, the buffer mechanism is mounted in the water collection tank, the first-stage filtration mechanism is arranged at the top of the water collection tank, and the second-stage filtration mechanism is arranged at the bottom of the water collection tank. The first-stage filtering mechanism is connected with the buffering mechanism, the second-stage filtering mechanism is arranged on the buffering mechanism, a dredging mechanism is further arranged in the water collecting tank, a water storage part is arranged on the outer side of the water collecting tank, and a drainage mechanism is arranged in the water storage part. According to the rainwater filtering device disclosed by the invention, rainwater can be filtered for multiple times through the arrangement of the first-stage filtering mechanism and the second-stage filtering mechanism, so that the rainwater filtering efficiency and quality are ensured; rainwater can still be collected into the water collecting tank through mutual cooperation of the water collecting tank and the first-stage filtering mechanism, and the treatment efficiency and treatment quality of the rainwater are improved.

The invention relates to the technical field of underground water recharging, and particularly discloses a deep foundation pit underground water pumping and recharging balanced vacuum pressure type recharging device which comprises a basic hardware system, a sealing isolation system, a dynamic regulation and control system and a monitoring feedback system. The sealing isolation system comprises a vacuum well lid; according to the pipeline sealing assembly, a hydraulic drive sealing ring is arranged at the joint of a dewatering well water outlet pipe and a recharge well water inlet pipe, the sealing ring automatically expands to fill gaps during water injection, and air permeation is thoroughly isolated; through triple air isolation formed by water pumping pipe head immersion, vacuum well lid sealing and hydraulic sealing rings, contact between underground water and air is reduced to the maximum extent, oxidation reaction is reduced from the source, and the precipitation amount of iron and manganese oxides is reduced by 60% or above; meanwhile, bubbles and sediments can be effectively removed, more than 90% of bubbles and sediments can be actively removed through a periodic back raising and silt pumping mechanism, the anti-blocking performance of the recharge well is remarkably improved, and therefore the service life of the recharge well is prolonged.

This invention relates to the field of wind power generation technology and provides a combined wind power generation device, including a base and a connecting block rotatably mounted on the base; a tower fixedly mounted on the top of the connecting block; a generator for wind power generation mounted on the top of the tower and wind blades mounted on the generator; several collection nets respectively located on both sides of the tower for collecting sea fog; water collection troughs respectively installed at the bottom of the collection nets for centralized drainage; and a servo motor fixedly mounted on one side of the base for driving the tower to rotate and storing the wind blades, the output shaft of the servo motor being fixedly connected to the rotating shaft of the connecting block. The combined wind power generation device provided by this solution can achieve the dual functions of wind power generation and sea fog collection, while also providing storage for the equipment to prevent damage in extreme weather conditions, and featuring multiple reinforcement and auxiliary support designs to ensure operational safety.

The invention discloses a tail water recharge system of a middle-deep geothermal well and a working method, and particularly relates to a recharge well, a vacuum breaker, a flowmeter, a control system, a remote monitoring device, a steady flow tank, an impurity filtering device, a vacuum detection device and a temperature control device. According to the tail water recharge system of the middle-deep geothermal well and the working method, the vacuum breaker is additionally arranged in the recharge well, so that the problem of negative pressure generated in the recharge process is effectively solved, a vacuum column is prevented from being formed in a heating system, the heating effect is improved, the geothermal dynamic monitoring work is simplified, and the working efficiency is improved. The vacuum breaker is arranged so that tail water can be smoothly recharged into a heat storage layer, the situation that air enters a recharge system is avoided, the quality of the tail water is kept, a recharge channel is prevented from being blocked, the recharge efficiency is improved, complex equipment such as a sand remover, a filtering tank and an exhaust tank does not need to be arranged, the system structure is simplified, and the system cost is reduced. And meanwhile, the recharge efficiency is improved.

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 utility model relates to the technical field of rainwater collection, in particular to a rainwater collection device of a box-type house, which comprises a box-type house main body, a filtering water tank, a sterilizing water tank and a water storage tank, a water collection plate is arranged at the top of the box-type house main body, and rainwater baffles are arranged on two sides of the water collection plate; a water collecting tank is arranged on the top of one side of the box-type house body, the top of the water collecting tank is an inclined face, and a filter screen is arranged on the inclined face. A water conveying pipe is connected to the lower portion of the water collecting tank and connected with a sand discharging pipe and a first water inlet pipe, a sand discharging valve is arranged on the sand discharging pipe, the first water inlet pipe is connected with the filtering water tank, an overflow pipe is arranged on the upper portion of the first water inlet pipe, and the filtering water tank is connected with the disinfection water tank through a second water inlet pipe. The disinfection water tank is connected with the water storage tank through a third water inlet pipe. According to the device, impurities such as gravel and soil contained in collected rainwater can be effectively removed, and the cleanliness of the collected rainwater is improved.

The invention relates to the technical field of photovoltaic equipment, and discloses a photovoltaic support and a construction method thereof.The photovoltaic support comprises an installation base used for installing a photovoltaic panel, a wind power detection mechanism and a scrubbing mechanism used for cleaning the photovoltaic panel, and the scrubbing mechanism comprises installation shells fixedly installed on the two sides of the photovoltaic panel support; a special-shaped rail is formed in the top of the mounting shell on one side, a first sliding block is slidably arranged on the special-shaped rail, a mounting shaft is rotatably arranged on the inner wall of the first sliding block through a bearing, a fixing plate is fixedly mounted on the inner wall of the mounting shaft, and a plurality of cleaning brushes are uniformly and fixedly mounted at the bottom of the fixing plate. According to the invention, the angle of the photovoltaic panel is adjusted through the wind power detection mechanism, and the photovoltaic panel can be adjusted to a horizontal state when strong wind comes, so that the occurrence of economic damages such as photovoltaic panel damage caused by the fact that the photovoltaic panel is turned over by strong wind is reduced, and the use efficiency of the photovoltaic panel is ensured.

The invention provides a roof landform greening structure and a greening construction method thereof, and relates to the technical field of roof landform greening, the roof landform greening structure comprises extruded sheet layers which are arranged in a step shape with a high middle part and a low periphery, and the basic height of rugged landform greening is synergistically shaped through a formula of overlapping the extruded sheet layers with light nutrient soil for water retention, adsorption and ash reduction. According to the greening molding structure and the light nutrient soil formula used in cooperation with green land planting, the excellent water retention, fertilizer retention, dust falling and runoff pollutant adsorption effects are achieved under the combined action, and the total load of the structure can be greatly reduced in cooperation with a roof terrain greening molding structure.

The invention discloses a desert intelligent water taking ecological restoration and comprehensive security system, and belongs to the technical field of desert ecological restoration and comprehensive protection, the system comprises an energy supply subsystem, an air water taking subsystem, an intelligent irrigation subsystem, a comprehensive protection subsystem and a central control subsystem, the subsystems are interconnected through pipelines, circuits and communication lines, and core components are all installed on a support. The energy supply subsystem adopts wind-solar complementary power supply and is provided with a comprehensive controller and a storage battery to realize stable energy storage; the air water taking subsystem is used for efficiently taking water through three-stage precooling and compression condensation; the intelligent irrigation subsystem realizes vegetation irrigation and emergency drinking water quality-divided supply; the comprehensive protection subsystem comprises a camera and an emergency operation unit, and monitoring and personnel safety are guaranteed; the central control subsystem (Internet of Things) realizes intelligent linkage of the subsystems. The system can autonomously supply energy and water, is high in function integration level and strong in extreme environment resistance, can meet the requirements of desert ecological restoration and comprehensive security and protection, and reduces the operation and maintenance cost.