59 results about "Natural water" patented technology

A water energy conversion device comprises a water damming assembly provided in a watercourse (6, figure 19) (e.g. river) and comprising a rectangular support frame 1 provided with a sheet metal shutt

The utility model provides a kind of potential energy recovery formula sewage mixing stirring device, it belongs to sewage treatment technical field, it includes anaerobic tower, anoxic tank, liquid level control assembly and pressure stabilizer, the anaerobic tower outside is equipped with riser, the water outlet of anaerobic tower is communicated with riser, the lateral wall of riser is equipped with anaerobic effluent pipe, the anoxic tank is equipped with stirring assembly, the stirring assembly includes L-shaped water distribution main pipe and multiple array distribution water distribution branch pipe, multiple water distribution branch pipe are communicated with L-shaped water distribution main pipe, every water distribution branch pipe is equipped with multiple array distribution stirring nozzle. The utility model is driven stirring nozzle to form jet by the natural water head difference between anaerobic tower and anoxic tank, maintain stable water head in combination with liquid level control assembly, balance water flow pressure fluctuation using pressure stabilizer, effectively solve the problem of high energy consumption and energy waste of traditional mechanical stirring.

This invention relates to a biological-ecological synergistic purification system for road runoff pollutants in municipal roads, belonging to the field of municipal road rainwater treatment technology. With the acceleration of urbanization, the pollution of natural water bodies by road runoff pollutants is becoming increasingly serious. This biological-ecological synergistic purification system uses a bar screen to intercept large particles and sludge, a biofilm reactor to degrade pollutants using a combined packing layer, an ecological filter to further purify the water using multi-layered filter media and plants, and an ultraviolet disinfection device to kill pathogens. Finally, the purified water is discharged into natural water bodies. It is mainly used to effectively purify road runoff pollutants in municipal roads and protect the natural aquatic environment.

Provided herein are processes and systems related to a carbon dioxide sequestration process, comprising a) calcining limestone using a fossil fuel alternative input to form a mixture comprising lime and a gaseous stream comprising more than about 30 vol % carbon dioxide; and b) treating the mixture comprising lime with atmospheric air and allowing carbon dioxide from the atmospheric air to react with the mixture and form a composition comprising calcium carbonate, calcium bicarbonate, or combination thereof. Provided also herein are processes and systems related to a carbon dioxide sequestration process, comprising a) calcining limestone using a fossil fuel alternative input to form a mixture comprising lime and a gaseous stream comprising more than about 30 vol % carbon dioxide; and b) treating the mixture comprising lime with natural water and allowing dissolved carbon dioxide in the natural water to react with the mixture to form a composition comprising calcium carbonate, calcium bicarbonate, or combination thereof.

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

The utility model relates to water source sampling device technical field especially convenient sampling natural water treatment with sampling device of different depth water source, including storage box, the surface penetration of storage box is connected with first electric push rod, the left end mounting of first electric push rod has adjusting mechanism, the adjusting mechanism includes U type board, one side of U type board is fixedly connected with first electric push rod, the surface fixed connection of U type board has motor, the pivot of motor penetration U type board and fixed connection has the rotation bar, and the surface of rotation bar is wound with connecting rope. The utility model discloses through setting up U type board, motor, rotation bar, connecting rope, counterweight and sampling pipe, can accurate control the length of connecting rope's retraction, thereby will sampling pipe down to different depth and carry out water source sampling, solved the problem that traditional device is difficult to sample different depth water source, can obtain more comprehensive water quality sample, provides accurate data support for subsequent water treatment.

The application provides a preparation method of natural hydraulic lime, which comprises the following steps: calcining natural hydraulic lime raw material to obtain a calcined product; and mixing the calcined product with digestion water containing a digestion regulator to perform a digestion reaction, so as to obtain natural hydraulic lime, wherein the digestion regulator is selected from hydrochlorides of alkali metals, sulfates of alkali metals and hydrofluorides of alkali metals. The method is simple in process and convenient to operate, and the natural hydraulic lime obtained by using the method has high carbonation activity.

The utility model provides a kind of corrosion-resistant double helix guide rod fishing wheel, its adopted double helix guide rod is PEEK double helix guide rod, significantly improve the adaptability of fishing wheel in complex natural water environment such as humid, more salt, more impurities.PEEK double helix guide rod has excellent corrosion resistance and mechanical strength, can effectively resist the erosion of moisture, salt and other corrosive substances to guide rod, avoid the fishing wheel failure caused by guide rod corrosion or fracture.Meanwhile, ultraviolet resistant layer, waterproof layer and wear-resistant layer are arranged outside PEEK double helix guide rod, not only further improve the resistance of PEEK double helix guide rod to ultraviolet radiation, prevent material aging and brittle, but also effectively isolate moisture penetration through waterproof layer, in addition, the wear-resistant layer of outermost layer enhances the wear resistance of PEEK double helix guide rod surface in the process of wire loop repeated reciprocating sliding, makes reciprocating motion more light, delays its use wear, improves the overall operation stability and service life of fishing wheel.

This invention provides a novel structure for economic land use under forest cover, comprising, from bottom to top, a native soil layer, a mesh layer, a water-conducting grid layer, a sand cushion layer, and a solidified soil layer. The mesh layer covers the native soil layer, and the water-conducting grid layer covers the mesh layer. The mesh layer includes an HDPE three-dimensional honeycomb grid with a height of 10±5mm. The sand cushion layer, composed of medium-coarse sand and / or gravel, is filled within the HDPE three-dimensional honeycomb grid. The solidified soil layer covers the sand cushion layer. This entire structural system ensures natural water infiltration and circulation, meets ecological protection requirements, and avoids the damage to forest ecological functions caused by traditional hard paving. The solidification method used efficiently utilizes the in-situ soil under the forest cover, reducing the need for purchased materials and waste soil, thus lowering construction costs and ecological disturbance. The crystals produced by the solidifying agent are embedded in the native soil under the forest cover, acting as a framework and making the native soil more stable.

The application belongs to the technical field of water quality monitoring, and particularly relates to a kind of field water quality on-line monitoring device. It includes cabin, which is internally defined as monitoring cavity, and fluid driving element is arranged in the cabin; monitoring assembly is arranged in the interior of the monitoring cavity, and is suitable for monitoring water body; pipe assembly is connected to the bottom of the cabin, and is suitable for being placed in water environment; water inlet assembly is connected to the end of the inner pipe, and moves to target depth synchronously with the telescopic deformation of the inner pipe. Effective resistance to natural water flow and wind wave disturbance ensures the vertical positioning accuracy of sampling at each target depth.

The utility model discloses a kind of breeding boxes for green pectoral pufferfish, specifically related to green pectoral pufferfish breeding field, including breeding box, the upper portion of breeding box is equipped with two feed storage hopper, the outer surface of two feed storage hopper is fixedly connected with feeding pipe, the upper surface of breeding box is fixedly installed with simulation board driving element, the simulation board driving element includes the transmission slide that breeding box upper surface is fixedly installed moves in place.By the setting of simulation board driving element, water flow simulation moving plate can move horizontally reciprocating in breeding box, which will create a natural water flow environment for green pectoral pufferfish, helping green pectoral pufferfish maintain good exercise state. Through the operation of Roots blower in oxygenator, filtered air can be released into water in the form of bubbles through the oxygenation hole of oxygenation tube, effectively meeting the oxygen demand of green pectoral pufferfish and improving the breeding effect.

The application discloses a kind of sustainable system processes for removing perfluoro or polyfluoroalkyl substance, belongs to water treatment field.The process is concentrated to foam phase by foam separation in water phase PFAS, combined with nanofiltration membrane system concentration PFAS containing solution, then carries out defluorination degradation by using hydrated electron in electrocatalytic unit;Nanofiltration water is treated by ion exchange resin, saturated resin is backwashed by mixed solution, and backwash waste liquid is regenerated and recycled by another electrocatalytic unit;Finally, harmless calcium fluoride is generated by flocculation and precipitation, and fluoride ion is removed.The process is suitable for various PFAS, can efficiently remove long-chain and short-chain PFAS, total removal rate is high, can cope with complex water quality, is suitable for drinking water, natural water body and industrial wastewater etc.Situations, and no secondary pollution, regeneration liquid can be recycled, realizes sustainable degradation.

This application relates to the technical field of water purification equipment, and discloses a natural water treatment device and method for easy filter media replacement. Through a structure including a slidable, pull-out filling tank, a rotating assembly, and a collection assembly, it effectively solves the problems of high labor intensity and hazardous working environment associated with manual filter media replacement in the prior art. When the filter media in the filling tank becomes ineffective, the rotating assembly drives the tank lid to rotate, causing the filling tank to rotate 180° with the cooperation of the rotating slide and the locking rod. Simultaneously, the pulling assembly pulls the filling tank out above the collection assembly. At this time, the scraping assembly automatically scrapes the ineffective filter media into the collection box, eliminating the need for personnel to enter the container for cleaning. This process achieves mechanized and semi-automated filter media replacement, reducing the intensity of manual operation and the risks of exposure to dust and confined spaces. Through integrated collection and treatment, it improves replacement efficiency and ensures operational safety, overcoming the drawbacks of traditional large-scale filter media replacement.

This invention provides an intelligent water purification device and method for water tanks in karst mountain areas, belonging to the field of water purification technology. It includes an inlet pipe, a sewage pipe, an electrical box, a solar panel, a water quality monitoring and control device, an automatic water purification flushing device, and a purified water pipe. This invention is specifically designed for water tanks in karst mountain areas, eliminating the need for a centralized pipe network and allowing for installation by a single household. It solves the problem of difficult placement of traditional water purification equipment due to terrain limitations. Powered by solar energy, it is perfectly suited to mountainous environments with no mains power and high labor costs. It achieves minimal intervention after installation and ensures safety around the clock. The filter device is equipped with an automatic backwashing structure, allowing for customized automatic backwashing. This addresses the common problem of blockages in natural water sources in karst mountain areas due to the influence of flora and fauna. Automatic flushing is triggered when the water flow slows down, and a timed flushing function extends the lifespan of the filter layer.

The utility model discloses a kind of direct drinking water wastewater recycling car washer recycling device, comprising: direct drinking water machine and car washer, and the both are connected by pipeline;The water purifying device is equipped in the direct drinking water machine, water purifying device one end is communicated with natural water source, and the other end is connected with wastewater barrel by pipeline, and direct drinking water mouth and drain port are equipped on wastewater barrel;The water storage barrel is equipped in the car washer, the water storage barrel top is equipped with inlet pipe, inlet pipe one end is communicated with natural water source, and the other end is equipped with buoyancy valve, and buoyancy valve is arranged in the water storage barrel, and the water storage barrel is also equipped with outlet pipe;The wastewater barrel is connected with water storage barrel by pipeline. The present application can effectively solve the problem of water resource waste, applicable to commercial direct drinking water and car washing equipment combination scene, with significant environmental protection and economic benefits.

The present disclosure pertains to an innovative method for attracting waterfowl, specifically designed to enhance the efficacy of waterfowl hunting by replicating natural water sounds that mimic the activities of waterfowl, such as splashing, swimming, fishing, and mating. The invention utilizes a mechanical apparatus equipped with a sound-producing puck attached to a reciprocating pole, driven by a motor or by use by hand. The puck is designed to strike the water at controlled intervals, creating a variety of water sounds that effectively mimic natural waterfowl sounds, thereby attracting the birds. This method is intended for use with either standalone devices or in conjunction with existing waterfowl decoys to provide hunters with a novel and more effective way to attract waterfowl by using sounds that replicate natural waterfowl behavior.

The present application belongs to the technical field of fishery resource assessment, and provides a method for assessing fish population resource quantity. The method is based on multi-year daily scale fishery data and time corresponding environmental monitoring data, and differentiates the fish capture data and environmental factor data, and on this basis, an environmental response assessment model between fish population resource quantity and various environmental factors is constructed. The assessment model simultaneously reflects the linear influence and nonlinear response characteristics of environmental factors on fish population resource quantity, and the model parameters are determined using historical data, and after the parameters are determined, the fish population resource quantity of the same water area in different time periods can be continuously assessed. The method can effectively improve the stability and accuracy of fish resource quantity assessment, and is suitable for fish resource management and decision support in natural waters such as rivers, lakes and reservoirs.

The application provides a detachable modular photocatalytic blue-green algae removing floating device, which comprises a plurality of blue-green algae removing floating units, the plurality of blue-green algae removing floating units are detachably connected, the blue-green algae removing floating unit comprises an outer frame, a partition plate, a connecting assembly and a floating plate, the outer frame is arranged around the partition plate, the partition plate is concave relative to the two end faces of the outer frame to form a bearing surface and a water contact surface, a plurality of hollow holes are arranged on the partition plate, the hollow holes are connected with the bearing surface and the water contact surface, the floating plate is arranged on the bearing surface, and the floating plate is used for generating active oxidants under light conditions, the application can control the buoyancy, adopts a modular design, realizes long-term stable construction of a gas-liquid-solid three-phase interface, has high integrity, is convenient to centrally place, recycle and maintain, significantly reduces engineering operation cost, effectively improves the water flow resistance and the wind and wave resistance of the device, and is suitable for complex natural water body environments.

This invention discloses an iron-rare earth composite mineral material and its application in the synergistic removal of multiple forms of phosphorus in natural water bodies, belonging to the field of water treatment materials technology. The key technical points are: the material uses natural minerals as a carrier, with iron and rare earth components loaded on the surface and / or between layers of the carrier, and further immobilized with quaternized polyethyleneimine, giving the material a positive surface zeta potential in the aqueous medium. The iron and rare earth components in this material have an adsorption effect on dissolved phosphorus, and its positively charged surface has a capture and flocculation sedimentation effect on negatively charged components such as particulate phosphorus and colloidal phosphorus. Therefore, it can synergistically remove multiple forms of phosphorus from water bodies. Adding this material to the water body to be treated can achieve the synergistic removal of particulate phosphorus, colloidal phosphorus, and dissolved phosphorus, and it exhibits good application stability under conditions of coexisting anions, organic matter interference, and a wide pH range.

The invention discloses a benthonic animal habitat environment simulation sampler, and belongs to the technical field of benthonic animal collection devices.The benthonic animal habitat environment simulation sampler comprises a base and a cylinder piece rigidly connected with the base, and a containing space for natural activity of benthonic animals is formed between the bottom end face of the cylinder piece and the base; the outer side of the cylinder part is coaxially sleeved with a sealing ring, and the sealing ring can slide in the axis direction of the cylinder part so as to seal the containing space between the bottom end face of the cylinder part and the base; when the annular protrusion is embedded into the sealing groove and seals the containing area above the base, the blocking piece is synchronously inserted into the sealing groove, the flow guide groove and the through groove are accurately aligned, water in the containing area above the base can slowly flow out through the through groove and the flow guide groove, and therefore the natural water flow environment at the bottom of the water is simulated. And disturbance to environment-sensitive benthonic animals is effectively avoided.

The application discloses a kind of based on seaweed shelter function and colored light attraction crab planktonic larva conservation method, belong to fishery resources conservation field.Its technical scheme includes selecting nearshore marine ranching repair area or natural water area of Portunus trituberculatus spawning as the area of Portunus trituberculatus planktonic larva conservation;In the area of Portunus trituberculatus planktonic larva conservation, build multilevel conservation facilities, from bottom to surface, level conservation facilities include first seaweed layer, shelter net located above first seaweed layer, and second seaweed layer located above shelter net.The application is applied to the aspect of Portunus trituberculatus planktonic larva conservation, solves the problem that the mortality is too high due to the fact that the conservation of Portunus trituberculatus planktonic larva is not accurate enough in the process of current fishery resources repair, can provide upper and lower level multi-means conservation measures for early Portunus trituberculatus planktonic larva, thereby reduce its risk of being preyed upon, provide better habitat prey environment for it.

The application discloses a kind of water toughness comprehensive evaluation method and computer system, computer storage medium.The water toughness comprehensive evaluation method described above, comprising the following steps: S1: obtaining historical natural water cycle index data and social water cycle index data;S2: construct unified water toughness evaluation index system;S3: using fuzzy membership function to each index is standardized;S4: using entropy weight method to calculate the comprehensive weight of each index;S5: the water toughness comprehensive score of evaluation unit is calculated by weighted linear combination;S6: water toughness comprehensive score is divided into multiple toughness grades.The application includes natural water cycle index data and social water cycle index into unified measure, to reproduce index framework and transparent weight rule to generate toughness grade, capture evolution inflection point by time series scanning, locate fragile node by means of space-time cross comparison, to provide directly landed scientific basis for making risk preplan etc..

The present invention relates to a method and apparatus for purifying iron and manganese in industrial and natural water by oxidizing the contaminants with ozone and then filtering. The method includes treating the water with ozone by mixing the water with ozone in an eductor. The water and ozone are then mixed in a static mixer. The water is then sent to a settling basin for sludge settling. The water is sent from the settling basin to a filter that uses at least one disc filter having a filter precision of no less than 20 microns. The water is then subjected to tangential microfiltration using a cross-flow method. The result is effective non-chemical purification of the water while minimizing the cost of the purification process and equipment maintenance.

This invention relates to a control method and device for a gasoline-powered cleaning machine, belonging to the technical field of cleaning machines. The method includes: responding to a preset insertion signal, acquiring the inlet pressure; analyzing the inlet pressure to determine the water source type, including an external water tank and natural water sources; matching a filtration mode based on the water source type, including an open mode and a blocking mode; when an external water tank is connected, retracting a preset filtration structure in the open mode to allow liquid in the external water tank to directly enter a preset pump body for output; when a natural water source is connected, analyzing the water source type and matching the blocking mode's gear parameters; controlling the blocking mode with different gear parameters according to different water source types so that the water enters the pump body and is output after being treated by the filtration structure. This application has the effect of stabilizing the operation of the gasoline-powered cleaning machine.

The utility model discloses an energy -saving type is used for roof garden's sprinkling irrigation device relates to irrigation technical field, including photovoltaic board, the below of photovoltaic board is provided with top cover, the below of top cover is provided with water storage tank, the inside of top cover is equipped with water inlet, the inner wall fixed mounting of water inlet has funnel -shaped sheath, when raining, rain can drop on photovoltaic board, and flow through top cover and water inlet into water storage tank on photovoltaic board, under daily circumstances, due to the shelter of photovoltaic board, sunlight can not directly irradiate in water storage tank and top cover, can reduce the conduction of heat, reduce the evaporation of rainwater in water storage tank, simultaneously due to the evaporation of rainwater gas of funnel -shaped sheath not easy to float out, thereby further reduced the loss of rainwater in water storage tank, and then can directly use the rainwater in water storage tank when irrigating, through using natural water to irrigate green plants, the problem that the existing roof garden depends on tap water to irrigate green plants has been solved.

This invention belongs to the field of photocatalytic materials technology, specifically relating to a copper-phenylacetylene composite photocatalyst, its preparation method, and its applications. This invention successfully constructs a heterojunction structure by combining BiOIO3 nanosheets with PhC2Cu fibers, forming a dual-channel composite system based on the I⁻ / IO3⁻ redox pair. Experiments show that this composite material exhibits highly efficient degradation of diclofenac (DCF) under light irradiation and demonstrates broad-spectrum degradation performance against various aquatic micropollutants such as antibiotics, anti-inflammatory drugs, and endocrine disruptors. It maintains good degradation activity even in complex water bodies such as seawater and secondary effluent from wastewater treatment plants, as well as in environments with high levels of organic matter, while also exhibiting good recyclability stability. This invention achieves a breakthrough improvement in photocatalytic performance through structural synergy and light absorption regulation, providing a low-cost, high-stability solution for the efficient treatment of aquatic micropollutants, applicable to practical scenarios such as natural water and industrial wastewater.