142 results about "Pollution water" patented technology

The application discloses a method for photocatalytic degradation of perfluorooctanoic acid in water by using boron hydroxide, and belongs to the field of wastewater treatment. The method comprises the following steps: adding boron hydroxide as a photocatalyst into water containing perfluorooctanoic acid, mixing thoroughly, and then performing a photocatalytic degradation reaction under a light source; the light source is ultraviolet light, yellow light or red light; and the pH of the water containing perfluorooctanoic acid ranges from 3 to 7. The method uses boron hydroxide (Al(OH)3, Ga(OH)3 and In(OH)3) which is low in cost and simple in preparation process to perform photocatalytic degradation of perfluorooctanoic acid, can improve the degradation efficiency of perfluorooctanoic acid in water, and can perform photocatalytic degradation under different light sources and in a wide pH range, so that the application range of photocatalysis is expanded, and the method is conducive to the treatment of PFOA contaminated water in actual production.

The invention relates to a crown ether-loaded solid bubble lithium adsorbent as well as a preparation method and application thereof, belongs to the technical field of lithium adsorption, and solves the problems of low adsorption rate, low adsorption capacity, poor ion selective adsorbability, complex synthesis process, difficulty in separation and recovery, poor regeneration capacity and water environment pollution during lithium extraction of an existing crown ether material. The method comprises the following steps: activating solid bubbles by adopting an alkaline solution; modifying the activated solid bubbles by using a coupling agent; and reacting a crown ether monomer with a lithium salt in a solvent, adding the modified solid bubbles, a catalyst, a cross-linking agent and an initiator, continuously reacting, carrying out solid-liquid separation, washing, drying and eluting. The method is simple and environment-friendly, the stably immobilized crown ether is introduced to the surface of the solid bubble through chemical grafting, and the lithium adsorption performance of the crown ether is improved; the solid bubbles with low density and high stability can endow the adsorbent with the self-floating characteristic, the regeneration performance of crown ether is remarkably improved, and pollution to the water environment is reduced.

The application discloses a pressurized mountain mine cave outburst pollution water repair system, which comprises a mountain, a mine cave outflow outlet on the mountain and a gully formed along the trend of the mountain, the gully is located downstream of the mine cave outflow outlet, a mine cave outflow collection pool and at least one stage of sewage treatment devices are sequentially arranged in the gully from high to low in elevation, the sewage treatment devices of each stage each comprise a repair device and a monitoring pool connected to a downstream end of the repair device, the monitoring pool is provided with a standard water outlet directly discharging into the gully and a non-standard water outlet leading into the repair device of the next stage of sewage treatment devices, and the standard water outlet and the non-standard water outlet are each provided with an electric valve. The application can flow through the repair device by using the potential energy of the pollution water, does not need to increase a power source, and realizes the technical effect of reasonable use of the repair material according to the content of the pollutants by means of multi-stage repair and monitoring, which ensures complete repair and avoids unnecessary waste of the repair material.

The invention provides a low-hill mountainous area non-point source pollution intelligent prevention and control and gradient utilization system, and relates to the technical field of low-hill mountainous area agricultural non-point source pollution prevention and control. The system comprises a drainage ditch, a water quality on-line monitoring module, an intelligent gate, a multi-stage ecological ditch pond, a direct drainage channel, an internet-of-things intelligent management and control platform and a stepped rice field. The system drives the intelligent gate to perform diversion according to a pollution index threshold value based on monitoring data, high-pollution water enters the multi-stage ecological ditch pond to be purified, low-pollution water is discharged through the direct discharge channel, and purified tail water is reused for the cascade rice field. Self-flow conveying is achieved by means of the regional height difference, a collaborative prevention and control mechanism of process interception, tail end purification and resource recycling is constructed, scientific prevention and control of pollution, intelligent management and efficient utilization of resources are achieved, the non-point source pollution treatment effect is remarkably improved, and continuous circulation of water and fertilizer resources is promoted.

This invention discloses a method for diagnosing sewage leaks in drainage pipes based on the introduction of clean water, specifically relating to the field of municipal engineering. The method includes: collecting water samples from adjacent manholes at both ends of the pipe to be inspected on a sunny day; pre-treating the samples and then performing fluorescence detection to obtain an initial fluorescence value F; introducing clean water at a known flow rate q0 into the downstream manhole's inlet pipe; after the clean water and sewage are fully mixed, collecting a water sample from the downstream manhole; pre-treating the sample and then performing fluorescence detection to obtain a fluorescence value F' from the downstream manhole; and introducing clean water at a known flow rate into the upstream manhole's inlet pipe; after the clean water and sewage are fully mixed, collecting a water sample from the upstream manhole; pre-treating the sample and then performing fluorescence detection to obtain a fluorescence value F'' from the downstream manhole. By introducing clean water into the upstream and downstream manholes and combining it with the fluorescence conservation principle, the leakage amount and uncertainty are calculated, thus solving the problems of high cost of video detection, low accuracy of flow monitoring, and difficulty in tracing the source of low-pollution water.

The invention provides a preparation method of a TBBPA selective adsorption film. The method comprises the following steps: 1) synthesizing mesoporous silica nanoparticles; the invention discloses a TBBPA selective adsorption membrane and a preparation method thereof, the TBBPA selective adsorption membrane comprises the following steps of 1, TBBPA preparation, 2, base membrane synthesis and 3, blotting membrane synthesis, the TBBPA selective adsorption membrane is suitable for selective adsorption and separation of TBBPA from polluted water, through the design of blotting sites, TBBPA can be selectively adsorbed from analogues, and the TBBPA selective adsorption membrane has good application prospects in the field of selective separation of high-concentration TBBPA pollutants.

The application discloses a hydraulic split-flow well, which comprises a water passing corridor and a cyclone tank. The upstream of the water passing corridor is used for inflow of sewage and combined flow, and initial split-flow is performed by using the cyclone generated by the shape of the water passing corridor and different flow tank height differences. The cyclone tank is communicated with the downstream of the water passing corridor, and the cyclone tank has an annular inner wall and a central water collecting opening, so that water forms a cyclone in the cyclone tank, and solid pollutants such as mud in the water are deposited on the inner wall by centrifugal force, and intercepting water with the solid pollutants removed is discharged through the water collecting opening. The above-mentioned hydraulic split-flow well separates solid pollutants such as mud in sewage and combined flow by hydraulic form control, and the cyclone can make the mud in the water deposit, so that initial rainwater in the intercepting well and dry flow sewage are preliminarily treated. Therefore, the problems of excessive mud deposition in municipal rainwater pipelines and excessive suspended pollutants and BOD in the water discharged from the intercepting well to pollute the water body are solved.

Disclosed in the present invention are a microbiome with a highly-efficient tetrabromobisphenol A degradation function on the basis of cell-surface hydrophobicity, a construction method therefor and the use thereof. According to the present invention, microorganisms with a high cell-surface hydrophobicity are introduced into a tetrabromobisphenol A-degrading microbial community to construct a microbiome, which can effectively improve the degradation and removal efficiency of tetrabromobisphenol A by the microbiome, can provide an engineered microbial preparation for wastewater treatment and contaminated water body remediation or sediment remediation, and can also provide theoretical guidance for the application thereof in wastewater treatment and contaminated water body remediation or sediment remediation.

The invention provides a slope cropland runoff pollution water sample collection device and method, and belongs to the technical field of pollution water sample collection. Comprising a telescopic mechanism, the end of the telescopic end of the telescopic mechanism is fixedly connected with a telescopic end connecting base, and the end of the base end of the telescopic mechanism is fixedly sleeved with a handheld base sleeve; the water sample collection mechanism is used for collecting a runoff pollution water sample of the slope cropland and comprises a water sample collection assembly group and an auxiliary extension assembly group which are sequentially arranged on a telescopic mechanism; wherein the water sample collection assembly group comprises a collection driving assembly and a sample collection head which are connected with each other. By arranging the water sample collection mechanism, on the basis of impurity cleaning, pollution prevention, precise control and damping protection, the problems that an existing slope cropland runoff pollution water sample collection device is difficult to operate, samples are prone to pollution, and conditions are difficult to unify are comprehensively solved; a high-quality slope cropland runoff pollution water sample collection scheme is provided for agricultural scientific research and ecological monitoring.

The invention discloses a method and a system for purifying and recycling wastewater in extraction of vanadium pentoxide from stone coal, and relates to the technical field of wastewater purification. The system comprises a rack, a control module is mounted on the rack, a water inlet pipe and a water outlet pipe are mounted on two sides of the rack respectively, and ultrafiltration devices are uniformly mounted in the middle of the rack; the water inlet pipe and the water outlet pipe are respectively communicated with two ends of the ultrafiltration device; according to the scheme, the uneven sewage treatment amplitude of the ultrafiltration membrane can be adjusted by arranging the linkage adjustable brake mechanism, so that the dynamic adaptation to the water quality change can be realized, the amplitude of the ultrafiltration membrane can be increased and the stripping of sediments on the surface of the ultrafiltration membrane can be enhanced by adjusting the distance of the sliding seat when the water quality is highly polluted, and the device can be used for the low-pollution water quality. By adjusting the distance between the sliding seats, the amplitude of the ultrafiltration membrane is reduced, membrane damage caused by excessive disturbance of the ultrafiltration membrane is avoided, and the cleaning efficiency of pollutants containing colloids and the like is improved by 40%.

Apparatus and method for decontaminating both contaminated waters and sorbent filter media, either separately or simultaneously, in a single system. Contaminants in a liquid flowing through a reaction chamber are removed by first generating a plasma within the liquid in the chamber, with the contaminants being broken into smaller particles at the interfaces between the generated plasma and the liquid. The combined plasma-liquid solution is then passed through a solid filter, which captures the smaller contaminant particles to decontaminate the liquid. To decontaminate the filter media, plasma flows through the filter material without the presence of liquid, the plasma reacting with the filter material to remove contaminants previously adsorbed by the filter.

The application discloses a water body pollution treatment device with a detection function and relates to the technical field of water body pollution treatment.The device comprises a circulating mechanism, the output end of the circulating mechanism is fixedly connected with a separation mechanism, the separation mechanism comprises a separation box, an embedded frame and an adsorption ball, the inner surface wall of the separation box is fixedly installed with a partition plate, a group of sliding grooves are formed in the outer wall of the partition plate, two automatic sensing female heads A are fixedly inserted into the partition plate, the inner surface walls of the sliding grooves are slidably embedded with sliding blocks, and precise instruments are arranged in the embedded groove of the separation box to detect different chemical indexes of sewage, so that the sewage is classified into domestic sewage, industrial wastewater and agricultural wastewater, and is stored in different spaces respectively, precise classification is realized, suitable purification paths and treatment processes are selected according to the types of the sewage, the treatment capacity for different types of sewage is improved, and the treatment demand of complex mixed pollution water bodies is met.

This invention discloses a non-contact portable sampling device for polluted water bodies, comprising a support, a sampling component, a deployment and retraction component, and a collection component. The sampling component includes a mounting sleeve, a ring-shaped sampling tube, and a sampling pump. The deployment and retraction component includes a mounting plate and a first winding reel snapped onto the mounting plate, with a first pull cable connected to the mounting sleeve on the first winding reel. The collection component includes a transfer box mounted on the support and a collection bottle inside the transfer box. The device structure of this invention is reasonably designed. By using the support to suspend the sampling component on the water surface, the entire sampling work can be completed by the staff standing on the riverbank, reducing the risk of staff falling into the river and improving the safety of the device. At the same time, the device of this invention does not require staff to come into contact with the water sample during use, which reduces the harm caused by polluted water to the staff and also avoids the water sample being contaminated by external factors, thus affecting the water sample detection results.

The present application relates to a kind of salt-tolerant bacteria generator for open water, water-soluble-microbial degradation type container is placed in the cavity of internal airtight mixed with salt-tolerant bacteria and growth factor biological carrier.There is beneficial effect: when salt-tolerant bacteria generator is put into open water, water-soluble-microbial degradation type container in water-soluble material will start to dissolve when meeting water, let water-soluble-microbial degradation type container form pore structure on wall, and sewage can flow into its inner cavity through the pore structure, and contact salt-tolerant bacteria and growth factor, growth factor will prompt salt-tolerant bacteria to start quickly, to carry out depollution treatment to sewage, salt-tolerant bacteria can also be released and enter open water through pore structure, the salt-tolerant bacteria generator can provide the environment condition suitable for the growth of salt-tolerant bacteria, and has salt-tolerant bacteria slow-release function, to gradually release salt-tolerant bacteria to contaminated water body, so that salt-tolerant bacteria have time and condition to gradually adapt to contaminated water area, while exerting long-acting pollutant reduction effect.

This application discloses a municipal engineering water supply and drainage system, relating to the field of municipal construction, including a water pipe 1 and a water pipe 2 connected to each other. The water pipe 1 has a groove along its length, into which an extension pipe is embedded. The water pipe 1 is equipped with a cylinder for driving the extension pipe to extend or retract into the groove. A filter screen is installed on the extension pipe. The extension pipe is inserted into the water pipe 2 to connect the water pipe 1 and the water pipe 2. A replacement ring box is installed on the extension pipe, with a cavity for collecting debris. When the extension pipe is inserted into the water pipe 2, the replacement ring box is fitted onto the outer wall of the water pipe 2. When the extension pipe is submerged in the groove, the replacement ring box connects the water pipe 1 and the water pipe 2. This application, through the installation of the replacement ring box and the extension pipe, allows debris accumulated in front of the filter screen to be discharged into the cavity, clearing the waterway and reducing the frequency of manual pipe cleaning. It also discharges debris into the water body, preventing the debris from rotting and polluting the water.

The invention provides a riverway treatment method and device based on polluted water data, and belongs to the technical field of sewage treatment.The riverway treatment method based on the polluted water data comprises the steps that pollution logs are generated by obtaining multi-source data, a pollution capacity account book is inquired, and a micro-stagnant storage area is constructed; according to the method, passive disaster bearing is converted into active pollution discharge, precious time and space are won for pollution control, cooperation of scheduling behaviors and natural laws is achieved by optimizing a power emission window, the economy of actions is ensured, the whole river regulation system is converted into a feedforward and self-adaptive closed-loop system from a scattered and lagged system, and the control efficiency of the river is improved. And the efficiency and economy of urban river network water environment management are improved.

The utility model belongs to the technical field of water purification, and particularly relates to an ecological floating island and a sewage purification system.The ecological floating island comprises a floating bed, an aquatic planting unit and physical purification equipment, the floating bed is arranged in polluted water, and the aquatic planting unit and the physical purification equipment are installed on the floating bed. Polluted water bodies have great influence on the environment, and there are many treatment methods for the polluted water bodies. In the application, the purification of the polluted water body by the aquatic planting unit is a biological method, the purification of the polluted water body by the physical purification equipment is a physical method, and the floating bed floating on the water surface of the polluted water body is put into the polluted water body as a carrier of the aquatic planting unit and the physical purification equipment; therefore, the polluted water body is purified by combining a plurality of polluted water body treatment methods, and the water quality purification effect is further improved.

The utility model belongs to the technical field of water surface garbage treatment, and particularly relates to a water surface garbage pollution treatment device which comprises a main body, the guide table is located on the inner ring of the main body and used for guiding the garbage to the central area, an inner frame is arranged on the inner side of the guide table, an arc-shaped filter plate for separating the garbage from water is arranged at the bottom of the guide table, and a shifting plate is arranged in the inner frame and used for pushing the garbage to the right side; and the collector is located in the area, close to the inner ring, of the main body and used for storing the garbage pushed out by the shifting plate, a draining plate is arranged at the position, close to the bottom, in the collector and used for preventing the garbage from floating on the water surface and continuously polluting water, and the effect of increasing the garbage collection capacity can be achieved. The garbage collection device can prevent garbage from floating on the water surface to ensure the subsequent collection effect, can prevent the garbage from continuously polluting the water body to achieve the treatment effect, can improve the garbage collection capacity, and is suitable for the long-time treatment environment with a large amount of garbage.

The invention relates to the technical field of humidification, in particular to a drawer type water tank, an upper water adding humidifier provided with the drawer type water tank and a zero-stale-water control method for controlling the humidifier. Compared with the prior art, the drawer type water tank can be inserted into the humidifier or pulled out of the humidifier, and due to the structure that the top face is open, water body replacement and water tank cleaning are very convenient and fast; the air inlet and the air outlet are provided with net structures, so that air and water are permeable, and foreign matters and mosquitoes can be prevented from entering the humidifier to pollute water; the humidifier does not need to be shut down in the upper water adding operation, and upper water adding can be conducted through the air outlet in the humidifying process; the fan guides the air flow to carry, dilute and output water vapor generated by the humidifying device, so that the problems of floor wetting and condensate water noise caused by air flow humidity supersaturation are solved; the zero stale water control method ensures that fresh water is used in the humidification operation. The air humidifier is suitable for three mainstream air humidification technologies of a cold evaporation type, a heat evaporation type and an ultrasonic wave type at the same time, reuse of the structural design of the humidifier can be achieved, intergenerational innovation and standardization of the humidifier industry are promoted, and sale, popularization and application of the humidifier are promoted.

This utility model relates to the field of polluted water filtration and adsorption treatment technology, specifically disclosing a multi-stage filtration and adsorption treatment device for low-pollution water. The device includes a filter housing with a filtration chamber inside. An output pipe is fixedly installed on one side of the bottom of the filtration chamber, with one end of the output pipe penetrating the filter housing and extending to the outside. A monitoring device housing is fixedly installed on the outside of the output pipe. A first rotating rod is rotatably mounted on the bottom of the output pipe via a bearing, and an impeller is fixedly installed on the outside of the first rotating rod. This utility model has a reasonable structure, high purification efficiency, and stable operation. By setting up a linkage device between the impeller and the rotating rod, it is possible to visually determine whether the filter membrane is clogged, facilitating timely replacement and improving maintenance efficiency. The device is easy to operate, suitable for various water treatment scenarios, and has good practicality and promotional value.

The invention discloses an oxidation pretreatment system for an anoxic vanadium polluted environment and a remediation method, and belongs to the technical field of environmental chemistry and pollution control. The system comprises an adding unit, a pH regulation and control unit and a monitoring unit, the adding unit is used for adding amorphous ferrihydrite into the polluted water body as an oxidizing agent, and the pH regulation and control unit is used for regulating the pH value of the water body and maintaining the pH value between 5.0 and 7.0. The remediation method comprises the following steps: firstly, carrying out oxidation pretreatment on low-valence vanadium by using amorphous ferrihydrite under an anoxic condition, and then adding an adsorption material to adsorb and fix generated pentavalent vanadium. The problem that low-valence vanadium is difficult to directly remove by a traditional adsorbent in an anoxic environment is solved, efficient and stable repair of vanadium pollution is achieved through the synergistic effect of directional oxidation and obligate adsorption, and the method has the advantages of being environmentally friendly and low in cost.

The utility model discloses a nitrate nitrogen sensor's preposed filtration treatment device, including the measuring tank, the top of measuring tank is equipped with the body, the left side and right side of measuring tank are respectively communicated with water outlet pipe and water inlet pipe, the inner wall of water inlet pipe is fixedly connected with the mounting sleeve, the inner wall of mounting sleeve is fixedly connected with the filter plate, and the filter plate is fixedly connected with the filter plate. The water outlet pipe is communicated with a flushing pipe and a back-flushing pipe, the flushing pipe and the back-flushing pipe are respectively provided with a water pump and an air pump, and the water outlet pipe, the flushing pipe and the back-flushing pipe are respectively provided with an electromagnetic valve. According to the utility model, the test precision of the sensor can be effectively improved, the service life of the sensor can be effectively prolonged, the sensor can be applied to high-pollution water bodies, the stability and precision of measured values can be kept for a long time, the application problem of high-pollution industry requirements is solved, and a feasible scheme is provided for the development of part of industry technologies.

The present invention discloses a wastewater treatment method, system and medium for a food processing plant, and relates to the technical field related to wastewater treatment. The method comprises: obtaining a set of high-pollution production nodes and a set of low-pollution production nodes; obtaining a set of high-pollution wastewater flow monitoring devices and a set of low-pollution wastewater flow monitoring devices; obtaining a high-pollution water quality parameter monitoring sequence and a low-pollution water quality parameter monitoring sequence; determining a convergence trend factor of a high-pollution regulating pool and a convergence trend factor of a low-pollution regulating pool; determining an anaerobic treatment adjustment parameter; determining a sedimentation aeration treatment adjustment parameter; and adjusting the treatment parameters of the high-pollution regulating pool and the low-pollution regulating pool, respectively. The method solves the technical problem in the prior art of being unable to identify the wastewater pollution load of a production node in real time and to dynamically adjust it according to changes in flow and water quality, resulting in low treatment efficiency, and achieves the technical effect of improving the stability of treatment quality through trend superposition and treatment parameter adjustment.

A flow self-adaptive rapid purification device based on medium layer filtration comprises a dosing system, a mixing system and a medium layer filtration system, the dosing system is connected with the mixing system, the mixing system is connected with the medium layer filtration system, the dosing system comprises a dosing barrel, a dosing stirrer and a variable-frequency dosing pump, and the variable-frequency dosing pump is connected with the mixing system. The mixing system comprises a mixing tank, a variable-frequency mixing motor and a bracket, and the medium filtering system comprises a filtering column body, a tangential water inlet, a flow self-adaptive structure, a stirring device, an annular filtering layer, an effluent weir, a water outlet, a sludge discharge port and a main emptying port. The device realizes rapid purification of overflow sewage and polluted water by monitoring suspended substances in inlet and outlet water in real time, dynamically adjusting process control parameters such as dosage and the like and changing a water distribution mode by self-adaption to flow, and has the characteristics of high purification speed, low drug consumption, small amount of residual drug in outlet water, high suspended matter removal efficiency, simplicity in operation and maintenance and the like.

The utility model provides an anti-pollution water drinking device, which comprises a water drinking trough, a water outlet pipe, a water inlet pipe and a water outlet pipe, the two protection plates are arranged at the open end of the inner cavity in a sliding mode; the driving assembly is connected with the two protection plates and used for opening or closing the inner cavity; and the return assembly is connected with the driving assembly, so that the inner cavity is kept in an open state under the action of external force, or the inner cavity is kept in a closed state when the external force disappears. The livestock drinking water device solves the technical problem that a livestock drinking water device in the prior art is prone to being polluted by the outside.

The utility model relates to the technical field of water pollution treatment, and discloses modularized wetland equipment for agricultural surface pollution treatment. Comprising a wetland accommodating tank, drainage mechanisms arranged at the lower parts of the two sides of the wetland accommodating tank and used for draining water, water inlet pipes fixedly connected to the middle parts of the two sides of the wetland accommodating tank in a penetrating manner, detection mechanisms arranged on the inner walls of the water inlet pipes, filtering mechanisms arranged on liquid inlet ports of the water inlet pipes, and water injection mechanisms arranged on liquid inlet ports of the filtering mechanisms, the supporting mechanism is arranged on the bottom surface of the inner wall of the wetland accommodating tank; the inner box is fixedly connected to the upper end of the supporting mechanism; the limiting frame is fixedly connected to the upper part of the side wall of the inner box; the first tank body penetrates through the middle parts of the two sides of the inner box; the device has the advantages that agricultural surface polluted water can be quickly added to the modularized shell, the pH value of the agricultural surface polluted water can be quickly detected, and the ecological floating bed in the shell can be conveniently and quickly mounted and dismounted.

The invention relates to the technical field of river pollutant improvement, in particular to a river water quality improvement method based on two-network model fusion. The method comprises the following steps: acquiring target river channel information, and constructing a river channel physical network model and an information network model based on the information; the dynamic diffusion condition of the river pollutants is estimated through a physical network model, and the water quality decline evolution trend and the ecological toughness attenuation condition are combined; analyzing a water quality change process, and identifying driving factors of water quality decline; transmitting the driving factor data to the physical network model, and performing river pollution tracing to obtain pollution source data; on the basis of pollution source data, riverway water level regulation and polluted water body remediation treatment are implemented; the water quality of the river channel is improved, so that the water quality of the river channel is more stable.

The utility model discloses an anti-pollution type water quality monitoring sensor which comprises an anti-pollution shell, a sensor probe is arranged in the anti-pollution shell, the anti-pollution shell comprises an end cover, a shell body and a bottom plate, the end cover is round, a threading hole is formed in the center of the end cover, a cable of the sensor probe penetrates through the threading hole, the threading hole is provided with a cable guide sleeve, and the cable guide sleeve is connected with the shell body. A sealing ring is arranged between the cable guide sleeve and the cable, the end cover is formed by splicing two semicircular pieces, the connecting surface of the two semicircular pieces is provided with a positioning pin and a positioning hole which are matched with each other, the end cover and the shell are connected through a detachable connecting structure, the shell is of a cylindrical structure, the surface of the shell is provided with a hollow window, and the hollow window is provided with a sealing ring. The outer side of the window is coated with a detachable stainless steel filter screen, the bottom plate is cylindrical, a filter device is arranged in the center of the bottom plate, and an annular balancing weight is arranged at the bottom of the bottom plate.

This invention provides a protective mobile unmanned surface vessel (USV) hyperspectral system for shallow sea pollution observation, belonging to the field of marine environmental monitoring technology. It includes an USV hull, hyperspectral observation equipment, a water sampling and detection device, and a controller. By installing a cabin and a hinged door on the USV hull, and housing the height-adjustable hyperspectral observation equipment, the system effectively protects the equipment when observation is needed. The door opens to extend the equipment from the cabin, and retracts it when observation is not required, then closes the door. The water sampling and detection device allows for timely and rapid sampling of polluted water, analysis of the samples, and output of results. This invention integrates hyperspectral observation and water sampling and detection, effectively protecting the hyperspectral observation equipment while simultaneously enabling sampling of polluted water, thus improving the effectiveness of pollution evidence collection.

The application relates to a solar energy-based static water river and lake pollution water body in-situ purification device and relates to the technical field of water treatment, which comprises a first filter tank, a second filter tank and a collection tank for guiding impurities, the first filter tank and the second filter tank are provided with biological guide channels for realizing biological guidance, and the first filter tank and the second filter tank are provided with impurity guide channels for realizing impurity guidance. The biological guide channels are arranged to guide the organisms that enter the vicinity of the purification equipment, the application also guides the impurities, collects the impurities, and therefore can solve the problems that the organisms enter the purification equipment, contact more impurities and cause the death of the organisms due to the accumulation of the impurities.