6130 results about "Water collection" patented technology

The invention discloses an ecological slope protection structure and a construction method thereof.The ecological slope protection structure comprises an ecological vegetation layer formed by splicing a plurality of units, and a vegetation planting groove is formed in each unit; the regulation and control layer comprises a honeycomb-shaped coarse aggregate layer, a corrugated plate laminated middle aggregate layer and a fractal tree-root-shaped fine aggregate layer of which the porosity decreases progressively from top to bottom; the drainage mechanism comprises a drainage channel in the ecological vegetation layer, a porous drainage framework and a water collecting well arranged at the slope bottom; the anchoring mechanism comprises a plurality of umbrella-shaped expansion anchor rods, and the lower end of each anchor rod is perpendicular to the slope surface and is inserted into the slope surface soil layer; the lower end of each anchor rod is provided with four sets of extensible 120-degree arc-shaped anchor flukes, and the surfaces of the anchor flukes are provided with bionic ground gripping grooves consistent with the anti-sliding ribs in trend. By innovatively designing the ecological vegetation layer, the regulation and control layer, the drainage mechanism and the anchoring mechanism, stability of the slope protection structure in mechanical property and sustainable development of the ecological environment are achieved, and coordination and unification of vegetation growth and slope stability are promoted.

The invention discloses a hydrophobic-hydrophilic Janus water collecting film and an efficient preparation method thereof, and belongs to the field of water collecting materials. An electrostatic spinning process is adopted, and a hydrophobic polymer is accurately deposited on the surface of a hydrophilic substrate in the form of a nanofiber array, so that the Janus composite membrane with an asymmetric wetting gradient structure is successfully constructed. The unique double-sided wettability difference drives the liquid drops to realize directional transmission, and the core mechanism of the liquid drops is derived from capillary force regulation and control caused by interfacial wetting potential energy difference. The Janus membrane shows excellent performance in the aspect of air moisture trapping, the ultra-fast moisture absorption characteristic and the surface regeneration capacity are achieved, and compared with a traditional single-layer hydrophilic membrane, the water collecting efficiency is remarkably improved by 110%. A one-step forming process is adopted for preparation, the diameter of the nanofibers is controllable, complex post-treatment procedures are not needed, and energy consumption required by equipment is low. The high-performance water collecting film has important application value in the fields of atmospheric water taking in arid regions, dehumidification of precise instruments and the like.

The invention discloses pretreatment equipment for LCD (liquid crystal display) glass substrate processing, which comprises a roller conveyor, a cleaning device and a drying device, the cleaning mechanism comprises a spraying pipe arranged in the isolation hood, and air knives are arranged on the two sides of the spraying pipe in an inwards inclined mode respectively; the water collecting and draining tank is arranged on the lower side of the roller conveyor on the lower side of the isolation hood; the demisting mechanism comprises an adsorption cotton roller rotationally mounted on the inner side of the air knife, and the air knife is provided with a guide groove for extruding and scraping the adsorption cotton roller; the drying device comprises a drying chamber; the air inlet mechanism comprises an air blower, the air inlet end of the air blower is connected to the corresponding air distribution pipe, a connecting pipe is rotationally installed in the air distribution pipe, a cylindrical filter element is fixedly connected to the connecting pipe, and an impeller of the air blower and the connecting pipe are in transmission connection to the output shaft ends of the corresponding driving motors respectively. The LCD glass substrate cleaning and drying device can effectively ensure the cleaning effect and the drying effect on the LCD glass substrate.

The invention discloses an intelligent dehumidification and heat dissipation type high-low voltage switch cabinet, and belongs to the technical field of switch cabinets, the intelligent dehumidification and heat dissipation type high-low voltage switch cabinet comprises a cabinet body, a sealing strip is fixedly installed on the front side of the cabinet body, a sealing cabinet door is hinged to the front side of the cabinet body, and a temperature sensor, a humidity sensor, a controller and a control assembly are arranged in the cabinet body; a ventilation assembly, a condensation mechanism, a water collection mechanism and a heat exchange mechanism are sequentially arranged on one side of the cabinet body from top to bottom, and a ventilation assembly is arranged at the bottom of the other side of the cabinet body. Forced ventilation can be achieved through the arranged ventilation mechanism, the ventilation speed can be adjusted according to the temperature, the flow direction of air in the switch cabinet can be changed according to needs, uniform and controllable heat dissipation is achieved, heat dissipation is achieved while dehumidification is achieved through the arranged condensation mechanism, heat dissipation work is further conducted through condensate water, and the dehumidification and heat dissipation effect is improved.

The invention relates to an intelligent photovoltaic power generation control device which integrates a photovoltaic power generation panel, a series connection base, a supporting assembly, a water collection groove, a rainwater collection assembly, a cleaning assembly and a control assembly. A series base and a series interface are arranged below the photovoltaic panel, so that modular installation is facilitated; the supporting assembly comprises two supporting rods, the light following function is achieved, and the photovoltaic panel is automatically adjusted to face the sun. A water collecting groove above the photovoltaic panel and a rainwater collecting assembly at the bottom of the photovoltaic panel can collect and store rainwater; the cleaning assembly comprises a spraying unit and a cleaning brush and is used for automatically cleaning the surface of the photovoltaic panel; the control assembly monitors operation of the system and adjusts the posture of the photovoltaic panel and work of the cleaning assembly. Redundant electricity generated by the photovoltaic power generation panel in sunny days is stored for the system to use, and the light following function is not started in cloudy days, so that electric energy is saved; through the design, the efficiency and sustainability of photovoltaic power generation are improved; the energy conversion efficiency can be improved, the reliability and automation level of the system are enhanced, and the utilization and environmental friendliness of rainwater are improved.

The invention relates to the technical field of water level monitoring, in particular to a visual monitoring system for the condensate water level of a micro-hyperbaric oxygen chamber, which adopts the technical scheme that an internal image of a water receiving box is acquired at a preset frequency, and water mist and reflective interference are eliminated by adopting a dynamic illumination compensation and frequency domain filtering technology; a U-Net deep learning model is integrated, a water level line is segmented through multi-scale feature fusion, foam and impurity artifacts are recognized in combination with time sequence analysis, a water level value is dynamically corrected, graded alarm is triggered according to a water level threshold value, an air conditioner drainage system is linked, traditional image processing and the deep learning model are combined, and detection robustness under complex working conditions is improved. Real water levels and interferents are effectively distinguished through time sequence analysis and physical characteristic modeling, the real-time requirement under the high-pressure environment is met through the model compression and hardware acceleration technology, and absolute reliability of equipment operation is ensured through linkage of a grading early warning mechanism and a drainage system.

The invention provides a method for constructing an urban drainage unit twin system based on an AI data analysis technology. The drainage unit twin system is composed of an online monitoring device, a network communication system and a remote monitoring platform. The NBIOT or OneNET technology is adopted to carry out networking on the online monitoring device, so that online accurate data acquisition and real-time transmission of a drainage unit pipe network catchment point, a drainage port and a rainfall station intelligent terminal carrying lightweight model are realized; and the remote monitoring platform is combined with an unreal engine technology to truly reflect a 3D real scene of the drainage unit. The intelligent monitoring system has a plurality of data monitoring functions such as rainfall, underground liquid level, flow velocity and flow, water quality, pavement ponding and well lid abnormity alarm monitoring, and provides a comprehensive data source for a drainage unit twin system. The AI technology is used for comprehensively mastering the condition of a drainage system, and visual monitoring of pavement ponding and waterlogging in the urban drainage unit and intelligent monitoring of a drainage pipe network are achieved.

The invention discloses a water heater and a control method thereof, and relates to the technical field of water heaters. The condensing heat exchanger has a water collecting cavity; the atomization module is arranged in the water collecting cavity; the water path switching assembly is arranged among the water inlet main pipe, the main heat exchanger and the condensing heat exchanger, has a first working mode and a second working mode, and is used for sequentially communicating the water inlet main pipe, the condensing heat exchanger and the main heat exchanger to form a first flow path in the first working mode; in the second working mode, the water inlet header pipe communicates with the main heat exchanger to form a second flow path, and the water inlet end and / or the water outlet end of the condensation heat exchanger are / is disconnected from the second flow path; according to the condensation gas water heater, condensed water is discharged along with flue gas after being atomized, meanwhile, the water inlet path is switched through the water path switching assembly, and the problems that in the efficient flue gas waste heat recovery process of an existing condensation gas water heater, the condensed water generated is inconvenient to discharge, a pipeline is prone to being corroded, or frequent manual intervention is needed can be solved.

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.

The invention relates to the field of photovoltaic technology, and discloses a photovoltaic solar module capable of preventing dust deposition, which comprises a mounting frame, a plurality of photovoltaic panels are arranged on the surface of the mounting frame, vertical columns are arranged at four corners of the lower part of the mounting frame, a rainwater collecting mechanism is arranged on the rear side of the mounting frame, Z-shaped fixing plates are arranged on two sides of the mounting frame, and the Z-shaped fixing plates are arranged on the mounting frame. The upper side of the Z-shaped fixing plate is provided with a first sliding rail, the length of the Z-shaped fixing plate is larger than that of the mounting frame, the upper side of the first sliding rail is provided with a first electric sliding block, a cleaning mechanism is arranged between the first electric sliding blocks, and the lower side of the mounting frame is connected with a sewage collecting assembly through a buckle assembly. The cleaning part is driven by the electric sliding block to efficiently clean the photovoltaic panel, and the power generation efficiency is guaranteed; the rainwater collecting mechanism reasonably utilizes rainwater, and the cleaning cost is reduced; the sewage collecting assembly prevents pollution of dirt to the ground, is stable in assembly connection, convenient to operate and maintain, capable of prolonging the service life and integrally efficient and practical.

The invention discloses a PE pipe production device, and belongs to the technical field of PE pipe production, the PE pipe production device comprises a cooling tank and a water collection tank located below the cooling tank, circular through holes are formed in the two side walls of the cooling tank, a spraying mechanism and a water absorption mechanism are arranged in the cooling tank, and the water absorption mechanism comprises an annular water absorption sponge arranged outside a PE pipe in a sleeving mode; the cross section of the water collecting tank is of a circular structure, a water inlet hopper is connected between the cooling tank and the water collecting tank, a drainage pipe is connected to the bottom of the water collecting tank, a rotating shaft is rotationally installed in the water collecting tank, and a plurality of water baffles are evenly arranged on the side wall of the rotating shaft in the circumferential direction; according to the invention, the waste of heat energy is effectively reduced, the workshop environment is also improved, the influence of water drops on the subsequent processing technology is avoided, the production efficiency is also improved, and the dual improvement of environmental protection and economic benefits is realized.

The anaerobic reactor comprises a reactor body, a mud-water separation mechanism, a water inlet mechanism, a water distribution mechanism and a mud discharge mechanism, the mud-water separation mechanism comprises a mud-water separator, a water collection hopper and a return pipe, the water collection hopper is located at the position, lower than the liquid level, of the upper end of the reactor body, and the mud-water separator is communicated with the water collection hopper; the first end of the backflow pipe is communicated with the bottom of the mud-water separator, the water inlet mechanism is communicated with the second end of the backflow pipe, the water distribution mechanism is communicated with the water inlet mechanism, the mud discharging mechanism comprises a mud collecting hopper, a mud collecting pipe, a mud discharging main pipe and mud discharging branch pipes, the first end of the mud collecting pipe is communicated with the water inlet mechanism, and the mud discharging branch pipes are communicated with the mud collecting pipe. The second end of the sludge collecting pipe is communicated with the sludge discharge main pipe to discharge the sludge out of the reactor. The anaerobic reactor provided by the utility model has the advantages of high treatment capacity, good mud-water separation effect and low maintenance cost.

A spray-cleaning machine for metal parts, the spray-cleaning machine comprising a bottom plate (1), wherein a first stand (2), a second stand (3), a clean water tank (5), a water collection tank (6), a waste water tank (7), a first water pump (15) and a second water pump (16) are provided on the bottom plate (1); a transmission assembly (4), a first bracket (8), a telescopic rod (9), a second bracket (10), a first spray pipe (11), a fixing plate (12), a second spray pipe (13) and a U-shaped frame (14) are provided on the first stand (2) and the second stand (3); a first connecting pipe (17) is provided at a suction end of the first water pump (15), and a first drain pipe (18) is provided at a discharge end of the first water pump (15); a second connecting pipe (19) is provided at a suction end of the second water pump (16), and a second drain pipe (20) is provided at a discharge end of the second water pump (16); the first spray pipe (11) and the second spray pipe (13) are each provided with a spray head (21) at the bottom; a cleaning assembly (22) is provided on the fixing plate (12); and a hot air blower (23) is provided on the U-shaped frame (14). The spray-cleaning machine for metal parts has a high cleaning efficiency and a good cleaning effect; water can be recycled during the cleaning process, thus saving water; and the metal parts can be dried, which prevents residual water stains that affect the use of the metal parts.

An underdrain filtered water collection system includes: a pair of opposing drainpipes, each drainpipe having a plurality of collection drains; and a diffuser screen. The diffuser screen can slide within an outlet in each of the collection drains. A diffuser screen for a pressure vessel containing filter media includes: a screen pipe; a solid plate coupled to a base of the screen pipe; and a winged diffuser arranged around an outer circumference of the solid plate. The winged diffuser includes a plurality of foldable wings. The screen pipe includes a mesh screen having preconfigured interstices therethrough. Feed water flows through the screen pipe where it is directed by an inner surface of the solid plate to flow in a diffused flow through the interstices of the mesh screen and the wings.

The present invention relates to a modular and scalable system for intelligent vertical farming infrastructure, using the latest in water recycling sciences, and artificial-intelligence based automation. This helps to combat the issue of sustainable Agriculture+its minimizing usage of water, energy, and space. It combines a vertical farming structure with multiple levels of cultivation with an irrigation and drainage system to achieve recirculation of water. The water recycling unit consists of rainwater harvesting, wastewater collection and multi-stage treatment subsystems, which can guarantee a continuous supply of high-quality recycled water for irrigation. The invention also combines a network of Internet of Things (IoT)-enabled sensors and AI-based control circuitry to track and manage environmental conditions (e.g. light intensity, humidity, temperature, and nutrient levels).

The invention discloses an efficient heat exchange structure of energy-saving refrigeration equipment, and relates to the technical field of heat exchangers. Comprising a heat exchanger body, the heat exchanger body comprises a heat exchanger support, and a plurality of heat exchange pipes are arranged in the heat exchanger support; and a plurality of heat exchange fins are arranged on the heat exchange tube. Through the design of the gradient-thickness heat exchange fins and the synergistic effect of the gradient-thickness heat exchange fins and the super-hydrophobic coating and the high-temperature heat insulation coating, random nucleation of condensate water is restrained, condensate water is preferentially formed by the condensation collection grooves in the outer edges of the heat exchange fins due to low heat resistance and fast heat dissipation, and the heat dissipation efficiency is improved by combining the annular condensation collection grooves and millimeter-level flow guide burrs. The guide plate and the Y-shaped guide rib I are combined, a hydrophilic coating II is used for adsorbing water flow, a hydrophobic coating II is matched for blocking airflow interference, and the condensate water is ensured to quickly flow into a bottom condensate water collecting box along a preset path; and the influence of the condensate water on the heat exchange tube is avoided.

The invention relates to the technical field of medical instruments, and discloses an anesthetic waste gas purification device which comprises a confluence shell and a water collection tank, a support is arranged on the inner side of the water collection tank, and a water collection cavity is formed between the support and the water collection tank; the bottom of the confluence shell is connected with an air outlet pipe through a guide part; an activated carbon filter plate capable of floating up and down in the axial direction is mounted on the inner side of the guide part; a condensation cover is installed on the top of the confluence shell and comprises a top cover, an air inlet pipe is installed on the top cover, a bottom plate is connected to the lower portion of the top cover, and a refrigeration module is installed below the bottom plate. Waste anesthetic gas penetrates through the purification device from top to bottom to be purified, condensate formed in the condensation cover converges to the water collection tank under the action of gravity and airflow blowing, and collection is convenient; the activated carbon filter plate can float in the axial direction, pressure balance can be achieved through automatic downward movement when the up-down pressure difference is large, and the risk that the pore structure of the activated carbon filter plate is damaged is reduced.

The present disclosure relates to a clothing treatment apparatus in which a residual water treatment unit, by means of which water condensed in a circulation duct accommodating a heat exchanger assembly is collected in a drain tank, communicates the drain tank and the inside of the circulation duct so that some of the water collected in the drain tank can be discharged back into the circulation duct, thus making it possible to prevent the water from leaking out even when the drain tank is full.

The invention provides a roof rainwater collection system and method capable of achieving source discarding, and belongs to the technical field of rainwater collection. The system comprises a rainwater collection module arranged on a roof main body, the module comprises a photovoltaic unit, a water collection unit and a protection unit, the water collection unit comprises a water collection tank, a tank cover, a flow guide eave and the like, synchronous control of overturning of the tank cover and sliding of the flow guide eave is achieved through a gear and rack linkage mechanism, and polluted rainwater is automatically discarded at the initial stage of rainfall; in the later period, the photovoltaic panel, the inner surface of the box cover and the three rainwater collecting faces of the protection plate cooperatively collect rainwater, and the rainwater collecting efficiency is effectively improved; the protection plate has functions of normal water collection and extreme weather protection, can resist hail impact, and realizes protection of the photovoltaic panel. According to the scheme, through the three-dimensional design of source discarding, multi-surface water collection and intelligent protection, deep integration of the photovoltaic function and the rainwater collection function is constructed, rainwater cleaning is achieved from the source, and the advantages of efficient water collection, source pollution control and equipment protection are achieved.

A liquid solid separator has a main container wherein a rotating filter belt receives influent for liquid sold mixture sieve processing. A filtered water collections tank, a pressurized water supply are sources of wash water inputs. Cold and hot water pressurized water supplies are also potential supply sources. Load balancing of inputs and single and dual wash water pumps are also described.

The invention belongs to the technical field of sewage treatment and comprehensive utilization of water resources, and particularly relates to a reclaimed water reuse and rainwater collection and utilization system in an expressway service area. A sewage treatment, rainwater collection and water-saving irrigation integrated system is constructed, and the MBR process is emphatically applied to treat sewage. The system can effectively remove various pollutants in the sewage, so that the effluent reaches the reclaimed water reuse standard, and the sewage recycling is realized. Meanwhile, rainwater is efficiently collected and utilized, and the water demand of vegetation is accurately met in combination with an intelligent water-saving irrigation technology. The dependence of the service area on fresh water resources is reduced on the whole, the pollution of sewage discharge to the environment is reduced, the water resource management level is improved, remarkable economic, social and environmental benefits are achieved, and an innovative scheme is provided for sustainable utilization of the water resources in the small service area of the expressway.

The invention belongs to the technical field of water conservancy and environmental science, and discloses a drainage basin water environment capacity allocation method based on a control unit, which comprises the following steps: constructing a hydrological hydrodynamic model and a river water quality model according to hydrological information of a target drainage basin; determining hydrological conditions of each control unit in the target drainage basin according to the hydrological hydrodynamic model; determining a water environment capacity calculation standard under the hydrological condition according to the river water quality model; and constructing a multi-objective optimization model according to the water environment capacity evaluation standard and the water environment capacity calculation standard, and determining the water environment capacity distributed to each control unit under the hydrological condition according to the multi-objective optimization model. According to the drainage basin water environment capacity allocation method based on the control units, the control units are divided through the catchment range and the administrative division, the water environment capacity of each control unit is fairly allocated by adopting a multi-objective optimization algorithm, and the pollutant discharge amount of each control unit is further strictly controlled; and a fair and objective treatment basis is provided for accurate treatment of the drainage basin.

The invention discloses an offshore water quality comprehensive treatment device utilizing an artificial wetland technology, and belongs to the technical field of sewage treatment. The offshore water quality comprehensive treatment device comprises a base, a water inlet and a water outlet are formed in the two sides of the base respectively, a lifting cavity corresponding to the water outlet is formed in the base, and a balancing weight is arranged in the lifting cavity in a sliding fit mode; lifting columns are symmetrically and integrally formed at the top end of the balancing weight, air cavities are symmetrically formed in the base, the top ends of the two lifting columns extend into the corresponding air cavities respectively and are in sliding fit with the air cavities, and ventilation assemblies used for conveying air in the air cavities to the water collection and drainage layer are arranged on the inner side walls of the air cavities; a plurality of teeth are arranged on one side of each lifting column in the length direction of the lifting column, and the teeth are meshed with swing assemblies used for generating periodic arc-shaped swing. And a vibration bracket is embedded in the filler layer. According to the invention, offshore tidal energy is utilized to realize self-adaptive opening and closing of the water outlet, and meanwhile, alternate shearing force is generated on the filtering filler in the base, so that the possibility of hardening of the filler after long-time working is reduced.

The invention discloses a wet flue gas emission chimney inner cylinder drainage device which comprises an inner cylinder inner wall fixed to a wet flue gas chimney and a plurality of water collecting ring-shaped discs arranged up and down at intervals, every two vertically adjacent water collecting ring-shaped discs are communicated through a drainage pipe, and a water retaining structure is arranged at the top of the inner cylinder. The drainage pipe arranged on the topmost water collecting annular disc extends upwards and is communicated with a barrel top water collecting tank formed between the water retaining structure and the outer wall of the inner barrel through an open hole formed in the top of the inner barrel, the barrel top water collecting tank is opened upwards and is communicated with the outside, and the diameter of the inner barrel is controlled, so that the diameter of the inner barrel is controlled to be larger than the diameter of the inner barrel. And the rising velocity of the wet flue gas does not exceed 16m / s. Condensate water generated in the process that wet flue gas is discharged through the inner barrel can be effectively collected and dredged to the bottom of the inner barrel, and chimney rain is avoided.

The invention relates to the technical field of meat drip loss measurement, in particular to a method and equipment for automatically measuring meat drip loss. Comprising a bottom plate, the top end of the bottom plate is fixedly connected with a constant-temperature box, the top of the constant-temperature box is provided with a cover plate through an up-down adjusting assembly, one end of the bottom of the cover plate is fixedly connected with a hollow shaft, the outer side of the hollow shaft is provided with a multi-layer draining frame, and the bottom of the draining frame is provided with a plurality of hanging rods in parallel at intervals; a weighing sensor is arranged between the top of the hanging rod and the draining frame. According to the method and device for automatically measuring the water drop loss of the meat quality, the cover plate is moved upwards, the cover plate can drive the hollow shaft, the draining frame and the drained water collecting device to move upwards to the position above the constant-temperature box in the upward moving process, then positioning screws are unscrewed, the draining frame and the draining frame rotate around the hollow shaft, and the water drop loss of the meat quality is measured. The draining rack, the hanging rod and the hooks are moved to the outer side, meat hanging operation can be flexibly carried out, the safety is good, and the meat hanging efficiency is higher.

The invention relates to the technical field of rainwater collection, in particular to a road surface rainwater collection system which comprises PP modules, side plates, lower water conservancy project cloth, upper water conservancy project cloth, tightening rings and limiting assemblies. The lower hydraulic fabric is laid in the foundation pit; the tank body is stacked on the lower hydraulic cloth; the lower hydraulic fabric is folded upwards and attached to the side plates; the upper water conservancy project cloth covers the top of the pool body, and is downwards folded and attached to the lower water conservancy project cloth on the vertical side wall of the pool body; the lower hydraulic cloth and the upper hydraulic cloth are hooped and sealed by the hooping ring, so that when a full water test is carried out, the lateral water pressure resistance of the side plate is improved, the side plate is prevented from laterally moving, and inaccurate test results caused by deformation of the side plate are prevented.

The utility model discloses a residue collecting and filtering device and a dish-washing machine, the residue collecting and filtering device comprises a water collecting cavity, a residue collecting cavity and a residue collecting cavity, the water collecting cavity is used for collecting washing water; the filter cavity is provided with a first inlet and a first outlet, the first inlet is communicated with the water collecting cavity, the filter cavity is used for separating residues and water in the washing water, and the filter cavity is provided with a first filter screen; the residue collecting cavity is provided with a second inlet, a second outlet and a residue discharging opening, the second inlet is communicated with the filtering cavity, the filtering cavity is used for collecting residues separated by the filtering cavity, and the residue collecting cavity is provided with a second filter screen; the circulating pump is communicated with the first outlet and the second outlet; and the draining pump is communicated with the slag discharging opening. According to the slag collecting and filtering device disclosed by the embodiment of the utility model, the washing water can be filtered through the filtering cavity, and the slag collecting cavity is used for collecting the slag, so that the filtering effect of the slag collecting and filtering device is improved, and the slag is convenient to discharge.

The invention discloses a plug flow type mechanical pressurization cyanobacteria control ship, which belongs to the field of ecological environment governance, and mainly comprises a ship body, an algae collection head, a buoyancy cabin, a water collection tank, a pressurization treatment cabin and a pressurization assembly, the lever principle and the electric push rod are used for pressurizing, so that compared with a mode of directly pressurizing a water body by using an air compressor, a water pump and the like, the treatment energy consumption is low, and the pressurizing speed is higher; through the combined design of the dustpan-shaped algae collecting head, the algae inlet position, the pressurization treatment bin layering and the like, the entering and the discharging of high-algae-content water are realized by utilizing the ship advancing power and the water impeller, the operation energy consumption is greatly reduced compared with the water pump sampling, and the device can be suitable for blue-green algae prevention and control in water areas such as lakes, reservoirs, water sources, landscape water bodies and the like.

The invention discloses a rainwater collection device based on a sponge city and a collection method thereof, and particularly relates to the technical field of rainwater collection, the rainwater collection device comprises a reservoir and a precipitation cylinder, the reservoir is internally provided with an inspection well and a recycling well, the bottom of the precipitation cylinder is provided with a first pollution discharge hole, and the first pollution discharge hole is internally provided with a first sealing element; the first sealing piece can change the sealing state according to the amount of accumulated water in the precipitation barrel, a stirring piece is arranged at the inner bottom of the precipitation barrel, and the stirring piece can stir sediment at the first pollution discharge hole when the first pollution discharge hole is opened; the sewage draining exit is opened in advance according to the precipitation amount and the water storage amount in the water storage pool, meanwhile, accumulated water in the water storage pool is kept at a certain water level, the water storage pool has a certain buffer space, and therefore it is guaranteed that when the precipitation amount is large due to rainstorm or long-time raining, the water storage pool can not be blocked; the rainwater collecting device can quickly discharge flood to prevent urban waterlogging.

The invention provides a water-saving system coupling photovoltaic panel cleaning and vegetation irrigation and a control method of the water-saving system, and belongs to the technical field of photovoltaic power generation. Comprising a water collecting mechanism used for collecting water on the surface of a photovoltaic panel; the water storage mechanism is used for storing the collected water; the pressure pump is connected with the water storage mechanism and used for injecting water into the outer pump; the cleaning mechanism is connected with the pressure pump through a pipeline and used for spraying water to clean the photovoltaic panel, and a first valve is arranged on the pipeline; the irrigation mechanism is connected with the pressure pump through a pipeline and used for spraying water to irrigate vegetation, and a second valve is arranged on the pipeline; the voltage sensor is used for detecting a voltage value output by the photovoltaic panel; the humidity sensor is used for detecting the humidity value of the soil; the light intensity sensor is used for detecting illumination intensity; and the controller controls the booster pump, the first valve and the second valve to work based on the voltage value, the humidity value and the illumination intensity. The overall structure is simple, the photovoltaic panel can be cleaned in time, the generating capacity is improved, water resources are saved, and rapid vegetation restoration is promoted.