79 results about "Water sediment" patented technology

The invention belongs to the technical field of biological environment monitoring, and particularly relates to a resource investigation monitoring device for aquatic organism environment DNA passive collection, the resource investigation monitoring device comprises a telescopic rod piece and a collection frame, the handheld end of the telescopic rod piece is provided with a timer body, and the collection frame is an independent split module. The resource investigation monitoring device for passively collecting the aquatic organism environment DNA has the effects of improving the biological environment DNA collecting efficiency and being suitable for more environments, in the using process, an operator does not need to make contact with the water environment in most cases, it is avoided that DNA on the operator is mistakenly collected, the device fixing point is located on the shore land, and the device fixing point is not prone to damage. Therefore, the river sediment environment does not need to be selected, and the device is suitable for various stable or unstable water sediment environments such as mud, gravel blocks and fine sand and can be placed in both gentle water areas and torrent water areas.

The invention discloses an aquatic ecosystem exposure device for semi-volatile organic pollutants, which comprises a light control thermal insulation cabin, an aquatic ecosystem is arranged in the light control thermal insulation cabin, the aquatic ecosystem is arranged in a glass fish tank in the light control thermal insulation cabin, and the aquatic ecosystem comprises an aquatic animal exposure area and an aquatic plant exposure area. A fish manure collecting system is arranged at the bottom of the aquatic animal exposure area, a sediment collecting system is arranged at the bottom in the light-control heat-preservation cabin body, and a water sample collecting system, a target object adding and acid-base regulating device, a gas collecting and purifying device and an air exposure system are arranged outside the light-control heat-preservation cabin body in a communicating mode. The problems that in the prior art, the exposure condition of semi-volatile organic pollutants in an aquatic ecosystem cannot be effectively simulated, multiple types of samples such as gas, water, sediments, organisms and organism excrement cannot be comprehensively collected, and experiment conditions cannot be accurately controlled are solved.

A water sediment filter assembly includes a screen member and a drain port which permits the removal of collected debris. The water sediment filter assembly includes a valve member which can be moved to different positions to permit the draining of collected sediment through the drain port.

The invention discloses a water flow sediment carrying force coefficient and index inversion method based on a successive approximation method, and relates to the technical field of river water and sediment transport simulation, and the method comprises the following steps: 1, taking a water flow sediment carrying force coefficient k and an index m of each section as piecewise linear functions of water and sediment comprehensive parameters, constructing a water flow sediment carrying force parameter inversion model based on a one-dimensional river network water sediment mathematical model by taking the minimum sum of squares of sediment content errors of each observation station as an objective function and taking the value ranges of the water flow sediment carrying force coefficient k and the index m and the maximum sediment content error as constraints; 2, parameter values such as grouping sediment carrying capacity grading, recovery saturation coefficient and roughness in the one-dimensional river network water-sediment mathematical model are determined; 3, adopting a successive approximation method to carry out parallel solving on the water flow sediment carrying force parameter inversion model; according to the method provided by the invention, automatic calibration of the water flow sand-carrying force coefficient k and the index m can be realized, so that the calibration difficulty of the water flow sand-carrying force parameter is reduced, and the simulation precision of a water-sand mathematical model is improved.

The invention relates to the technical field of tail water treatment, and discloses a circulating water filtering device for fish culture, comprising: a filtering and sterilizing assembly comprising a box body, a water inlet pipe fixedly connected to the box body, a pollution discharge mechanism arranged in the box body and used for collecting and discharging tail water precipitates, a filtering mechanism arranged at the top of the pollution discharge mechanism and used for filtering tail water, a stirring and scraping mechanism rotationally connected with the box body is arranged between the filtering mechanism and the sewage discharging mechanism. According to the invention, the filtering operation of the fish culture tail water is rapidly realized, the tail water is treated by adopting aeration, flocculant addition, ozone and ultraviolet sterilization before filtering, the centralized rapid treatment of the fish culture tail water is realized, the traditional tail water treatment process is simplified, and the tail water purification treatment efficiency is improved; meanwhile, the water quality and the oxygen content of the water are improved by adopting aeration and adsorption modes, so that the fish farming tail water is convenient to recycle; replacement without shutdown is achieved, and the continuous purification requirement of tail water is met.

The invention provides a hyperspectral inversion method for water body sediment concentration and a measuring instrument. The method comprises the following steps: S1, collecting a water body reflection spectrum, a water flow rate and sediment concentration of a test point; s2, pretreating the water body reflection spectrum, the external factors and the sediment concentration; and S3, inputting the preprocessed data into an inversion model to obtain the concentration of the suspended sediment in the water body at the test point. According to the method, spectral ratio characteristics and sediment concentration logarithmic transformation are comprehensively utilized, and weight holding of external auxiliary factors is introduced into the XGBoost gradient tree, so that interference of high-concentration interval spectral saturation and extreme values on model training is relieved, and stability and prediction performance of high-concentration suspended sediment inversion are improved.

Technologies are described for a process for in situ treatment of contaminated soil(s), water, waste, sludge, wastewater, sediment, other contaminated matrix, or combination thereof. The process comprises applying a reactive or treatment material and an adjunct to the contaminated matrix or in a flow path of the contaminant in the matrix. The adjunct is controllably released into the matrix and contributes to the treatment of the soil(s), water, waste, sludge, wastewater, sediment, other contaminated matrix, or combination thereof.

The application discloses a numerical simulation method for nitrogen and phosphorus release of lake and reservoir sediment, and comprises the following steps: step 1, nitrogen and phosphorus migration process division; step 2, calculation of sedimentation flux; step 3, calculation of lithogenic flux; step 4, calculation of release flux; and step 5, optimization of release flux calculation. The method fully considers the dynamic resuspension process of the sediment and the response of the oxidation-reduction environment in the nitrogen and phosphorus release process of the sediment in the deep-water lake and reservoir, realizes continuous dynamic simulation of the nitrogen and phosphorus sedimentation-lithogenesis-re-release process at the water-sediment interface, more scientifically and accurately simulates the nitrogen and phosphorus endogenous release law, and effectively improves the calculation precision of the nitrogen and phosphorus release process, which plays an important role in improving the water safety guarantee of the deep-water lake and reservoir in China.

The application discloses a tidal flow artificial wetland tail water sediment secondary degradation device and a use method, and belongs to the technical field of tidal flow wetland sediment treatment. The device comprises a rigid support and a rotating motor. The top of the rigid support is supported by a rigid supporting plate, and a tail end plate is installed on the rigid supporting plate. A plurality of telescopic mechanisms are installed on the rigid supporting plate. The rotating motor is suitable for driving the plurality of telescopic mechanisms to extend and retract. The output end of the plurality of telescopic mechanisms is provided with a scraper, and the scraper moves on the rigid supporting plate. The rigid supporting plate is arranged to be inclined, and a mounting notched plate is arranged on the side away from the tail end plate. The device further comprises a stirring motor, which is installed in the mounting notched plate. The bottom of the stirring motor is provided with a slurry conveying part, which pumps the stirred slurry to the surface of the wetland soil layer. The application can ensure that the urban tail water can be fully degraded twice by stirring or depositing the mixture in the tidal water flow during the rising tide and the falling tide of the tidal flow artificial wetland, and then conveying the mixture back to the wetland.

The invention relates to a device and a method for on-line measurement of water sediment grain grading and sediment content, an ultrasonic sediment content sensing box is mounted on the outer side of an on-line measurement transfer box, and a single-chip microcomputer is mounted in the ultrasonic sediment content sensing box; the single-chip microcomputer is connected with an ultrasonic transmitting head and an ultrasonic receiving head which are installed on the inner wall of the online measurement transfer box through lines, a liquid outlet pipe is arranged on one side of the bottom of the online measurement transfer box, a one-way liquid outlet electromagnetic valve and a liquid pump are installed on the liquid outlet pipe, and the top of the online measurement transfer box is communicated with a comprehensive measurement cylinder. The top of the comprehensive measuring cylinder is communicated with a water source through a liquid inlet pipe; a liquid inlet pump, an anti-reflux electromagnetic valve and a liquid flowmeter are mounted on the liquid inlet pipe; the operation of single liquid outlet operation is not influenced while the accuracy of the measurement result is ensured, and when the detection result of the single measurement operation reaches the early warning value, the water source is stopped from being provided for the user side, so that the online detection operation of the water using side is realized.

The application provides a deep water sediment-water interface simulation experiment device, which comprises a pressure tank, a pressurized gas tank, a circulating water temperature control unit, a sampling tank, a releasing device and a planar light pole unit; the pressurized tank and the sampling tank are connected with the pressure tank, and the sampling tank is used for sampling and sampling; the water inlet and the water outlet of the circulating water temperature control unit are connected with the two sides of the pressure tank; the releasing device and the planar light pole unit are arranged in the pressure tank, the releasing device is used for releasing the sampling device, and the planar light pole unit is used for emitting a fluorescent signal. The application can simulate the hydrostatic pressure, the dissolved oxygen level, the temperature and other related physical and chemical parameters of the water bottom sediment-water interface within 90m, and can reduce the limitation and economic pressure faced by the environmental in-situ monitoring.

The invention relates to the field of separation equipment, in particular to a ship ballast water sediment receiving and treating device which comprises a receiving and separating device, a plurality of filtering mechanisms are arranged in the receiving and separating device, each filtering mechanism comprises a plurality of fixed rings and movable strips, movable columns are connected between the movable strips, and the movable columns are connected with a plug collecting rod together and penetrate through a top cover. The filter mechanism comprises a top spring abutting against the plug collecting rod, a back-flushing mechanism is installed in the tank body structure, and a top vibration mechanism is installed on the back-flushing mechanism and matched with the plug collecting rod. On the basis that the top spring, the fixed movable strip and the fixed ring form a filter grid structure, the top vibration mechanism drives the plug collecting rod connected with the movable strip to move upwards, and the plug collecting rod is driven to move upwards; the filter mechanism has the advantages that small vibration is generated, the flow speed of local gaps is increased, the movable column impacts the base to a certain extent during falling, large vibration is generated on the whole filter mechanism, a better vibration shaking-off effect is achieved, and some adsorptive organisms can be conveniently cleaned.

The invention relates to the technical field of environment detection, and provides a device and method for detecting eutrophic pollutants in water sediment, the device comprises a base, a connecting table is fixedly mounted in the base, a plurality of sampling mechanisms are obliquely connected to the connecting table, and a motor is fixedly mounted at the upper end of the connecting table; the output end of the motor penetrates through the connecting table downwards to be provided with a driving gear, and the driving gear is meshed with the sampling mechanism. The device is put above a sampling position, a motor drives a driving gear to rotate, a plurality of sampling mechanisms meshed with the driving gear obliquely extend downwards in a threaded cylinder along the direction of the threaded cylinder, and meanwhile, a first electric push rod extends a sampling drill to the outer side of the bottom of a sampling pipe, so that the plurality of sampling mechanisms rotationally and obliquely pierce into water sludge; sampling of multiple point positions can be conveniently conducted at a time, the sampling precision and the data reliability can be conveniently improved, sludge is drawn into the sampling pipe through the sampling drill, and surface sediments at different positions of the sludge are sampled.

The invention relates to a simulation system for accurately controlling the synchronous collection and culture process of sediment-water-gas samples, in particular to a device for indoor culture and sample collection of sediment, which mainly comprises a culture module, a sampling module and a control module. The defect that sediments, water bodies and gas samples in the sediment culture process are difficult to synchronously collect for a long time in the prior art is overcome, the consistency and the stability of the water-sediment proportion in a culture system can be ensured, and errors caused by experiments are reduced. The method is of great significance in improving the experiment efficiency and reducing experiment errors and the workload of experimenters.

The invention provides a vibrio parahaemolyticus bacteriophage RKP-VP23248 and application of the vibrio parahaemolyticus bacteriophage RKP-VP23248, the vibrio parahaemolyticus bacteriophage is preserved in the China General Microbiological Culture Collection Center on September 27, 2024, and the preservation number of the vibrio parahaemolyticus bacteriophage RKP-VP23248 is CGMCC (China General Microbiological Culture Collection Center) No. 46193. The invention further provides a bacteriophage composition, and the bacteriophage composition comprises the vibrio parahaemolyticus bacteriophage RKP-VP23248. The bacteriophage provided by the invention is separated from natural water environments such as seawater, river water and water sediment, still keeps high-level titer under continuous passage, has relatively strong genetic stability and thermal stability, and can effectively cope with disease outbreak caused by mass propagation of pathogenic bacteria when water environment conditions change. The bacteriophage has strong lysis property on the drug-resistant high-pathogenicity vibrio, the lysis rate is up to 88.51%, and the problem of vibrio drug resistance enhancement caused by antibiotic abuse can be effectively solved, so that the problems of large-scale acute death and the like of aquatic animals such as fishes, shrimps and the like caused by the high-pathogenicity vibrio are solved.

The utility model relates to a deepwater sediment sampler which comprises a bracket, an inhaul cable and a plurality of sampling units, the support does not comprise a cylindrical balance weight body and a supporting rod, the supporting rod is detachably connected to the bottom of the side face of the balance weight body, the sampling unit is connected with the supporting rod, and the inhaul cable is connected with the top of the balance weight body; the center axis of the sampling unit is parallel to the center axis of the counterweight body, the sampling port faces downwards, and the sampling unit is distributed in a central symmetry mode. According to the utility model, two, three, four and six parallel samples can be collected in one sampling operation, and compared with a sampling device in the prior art, the sampling difficulty is greatly reduced. Due to the gravity guarantee of the counterweight body and the arrangement of the centrosymmetric supporting rods, the deepwater sediment sampler vertically sinks in water, angle deflection does not occur, and unsuccessful sampling caused by the fact that the sampling port of the sampling unit is not vertically inserted into sediment is prevented. In order to avoid sampling failure, in a preferable embodiment of the utility model, a sampling unit with a manual locking mechanism in the prior art is adopted, and a locking triggering mechanism is arranged in the bracket and the inhaul cable to lock the triggering sampling unit.

This invention discloses a device and method for controlling the release of endogenous phosphorus in water based on electron transfer. The device includes: a carbon-based electronic conductor, a current collector, a support frame, and a cover plate; the support frame is a hollow structure with openings at both ends; the cover plate is fixed to one end of the support frame, and the other end of the support frame is used to insert into water sediment for fixation; the cover plate has a central hole, one end of the carbon-based electronic conductor is fixed to the cover plate, and the other end passes through the central hole and is suspended inside the hollow structure; the current collector is disposed inside the hollow structure of the support frame and surrounds the carbon-based electronic conductor. This invention utilizes conductive materials as a medium, which can shorten the electron transfer distance, reduce electrode costs, and efficiently control endogenous phosphorus in water; it has the characteristics of simple operation, low investment cost, and high efficiency, and can also simultaneously achieve organic pollution removal and endogenous phosphorus fixation, and the organic pollution removal process can be monitored.

The invention discloses a nitrogen migration and transformation simulation and data analysis device and method, and relates to the technical field of ecological environment simulation. An isotope storage labeling module in the device is used for adding an isotope labeling substance to an environment simulator and recording basic information of the isotope labeling substance; the environment simulator is used for containing a sample substance, adding a water sample and an isotope labeling substance, and simulating the hydrological environment of the sample substance by controlling the flow of the added water sample; the liquid substance monitoring module is used for acquiring concentration profiles of dissolved substances at the overlying water-gas interface and the overlying water-sediment interface; the gas flux monitoring module is used for measuring the concentration of the gas at the overlying water-gas interface and measuring a mass-to-charge ratio signal of the gas above the overlying water-gas interface; the processing unit is used for calculating the nitrogen migration and transformation information, the nitrogen generation rate and the nitrogen removal efficiency, and the accuracy of the quantitative analysis result of the nitrogen migration and transformation behavior can be improved.

The invention provides a deepwater sediment-water interface simulation experiment device. The deepwater sediment-water interface simulation experiment device comprises a pressure tank, a pressurized gas tank, a circulating water temperature control unit, a sampling tank, a putting device and a planar optrode unit, the pressurizing tank and the sampling tank are connected with the pressure tank, and the sampling tank is used for sampling and sampling; two sides of the pressure tank are connected with a water inlet and a water outlet of the circulating water temperature control unit; the feeding device and the planar optrode unit are arranged inside the pressure tank, the feeding device is used for feeding the sampling device, and the planar optrode unit is used for emitting a fluorescence signal. According to the invention, hydrostatic pressure, dissolved oxygen level, temperature and other related physical and chemical parameters of a water bottom sediment-water interface within 90m can be simulated, and limitation and economic pressure faced by environment in-situ monitoring are reduced.

The invention relates to the technical field of environmental treatment, in particular to an inland water sediment treatment system and method. The system comprises a suction unit, a temporary storage unit, a mixing unit, a curing and adding unit and a dehydration storage yard, wherein the suction unit is used for extracting bottom mud of a water body and conveying the bottom mud to the temporary storage unit, the curing and adding unit is used for injecting a stabilizer into the mixing unit, and the mixing unit enables the bottom mud, airflow and the stabilizer to form a uniform gas-liquid-solid three-phase system; high-risk exchangeable heavy metal, high-risk carbonate combined heavy metal and high-risk iron and manganese oxide combined heavy metal are directionally converted into stable mineral phases, dewatering and pennisetum hydridum planting are matched, residual heavy metal is adsorbed for a long time by means of the hyperaccumulation characteristic of pennisetum hydridum, and end ecological management and control are achieved. According to the scheme provided by the invention, the links of desilting, heavy metal curing, dewatering and repairing are integrated, so that the equipment redundancy can be effectively reduced, meanwhile, the requirement of large-scale bottom mud outward transportation and disposal can be omitted, and the transportation and landfill cost is greatly reduced.

The invention relates to the technical field of size grading equipment, in particular to size grading equipment for soil and water-based sediments. During specific use, an operator puts dried soil or water-based sediments into the uppermost screening barrel, then the vibration assembly is started, and the first driving component drives the impact rod to vertically move in a reciprocating mode to impact the bottom of the supporting barrel in a reciprocating mode so as to drive the supporting barrel and the screening barrel to synchronously and vertically vibrate; therefore, size grading is carried out on the sediments in the screening cylinder; when the screen holes of the screen in the screening barrel are blocked with the sediments, the vibration assembly is stopped, and the sediments in the screening barrel and the supporting barrel are transferred away; then the dredging assembly is started, and the connecting disc is moved to extend into the screening barrel and is close to a screen of the screening barrel; and then a second driving part is started, the second driving part drives a first lifting rod to vertically ascend and descend in a reciprocating mode so as to drive cleaning bristles to impact screen holes of a screen at the bottom of the screening barrel, and the screen holes are dredged.

The utility model belongs to the technical field of bridge drainage systems, and provides a bridge drainage sediment collecting, storing and cleaning device which comprises a bridge floor drainage device and a sediment storing device. The sediment storage device is installed at a bottom outlet of the bridge floor drainage device, an upper inlet of the bridge floor drainage device is communicated with a road surface, and a side outlet for water flow to be discharged is further formed in the side wall of the bottom outlet of the bridge floor drainage device. The device further comprises a sediment discharging device; the sediment discharging device comprises a fixing frame, a bottom cover and a connecting rod group for controlling the bottom cover to be closed or opened; the fixing frame is arranged at an upper inlet of the bridge floor drainage device, the bottom cover is installed at a bottom outlet of the sediment storage device, and the fixing frame and the bottom cover are in driving connection through the connecting rod set. Through the combination of the bridge floor drainage device and the sediment storage device, sediments in the bridge floor drainage can be effectively collected and stored.

The invention belongs to the technical field of water environment treatment and ecological restoration, and particularly discloses a BN model-based ecological restoration method for heavy metal pollution in river and lake water sediments. According to the method, the synergistic effects of key environmental factors such as CEC, OM, SFL, DO, TN and TP are creatively integrated, a BN model capable of accurately simulating the adsorption-desorption process of heavy metal on the water-sediment interface is constructed, the model is used for reasoning and analyzing the heavy metal migration and transformation rule, the repair strategy is optimized, and the effect is verified. According to the method, the remediation efficiency is remarkably improved, the risk of secondary pollution is reduced, and scientific and technical support is provided for heavy metal treatment in complex river and lake environments.

The invention relates to the technical field of water environment treatment and ecological restoration, in particular to a water body sediment carbon and nitrogen reduction method based on an iron-based material. According to the specific technical scheme, the water body sediment carbon and nitrogen reduction method based on the iron-based material is characterized in that the iron-based material is laid on the surface layer and the middle layer of sediment or evenly mixed with the sediment, and therefore carbon and nitrogen in the sediment are reduced; the adding mass of the iron-based material is 1.5-2.5% of that of the sediment. Through the coupling effect of the iron-based material and the sediment-water interface, denitrification, anaerobic ammonia oxidation and organic matter degradation are synergistically promoted, so that efficient reduction of carbon and nitrogen in the sediment is realized, and the water quality of urban water is improved. The method has the advantages of low cost, high efficiency, environmental friendliness and simplicity and convenience in operation.

The utility model discloses a sampling device suitable for shallow water sediment collection, and relates to the technical field of environmental monitoring and geological exploration, the sampling device comprises a sampling pipe, a handpiece, a sensor assembly and a display assembly, the sampling pipe is provided with a one-way valve; a sampling port is formed in the bottom of the sampling pipe, a sampling cavity is formed in the sampling pipe, and the sampling port is communicated with the sampling cavity; the one-way valve is arranged at the sampling port, and the one-way valve is conducted from the sampling port to the sampling cavity. When the sampling device is used, the holding piece is held by a hand, the sampling pipe goes deep into a water body, underwater sediments enter the sampling cavity through the sampling port, and the sampling pipe is taken out, so that the sediments can be collected; the one-way valve enables sediments to enter the sampling cavity from the sampling port and limits the sediments in the sampling cavity to flow out from the sampling port; through the sensor assembly and the display assembly, a user can monitor the underwater environment in real time.

The invention relates to the technical field of water sediment measurement and monitoring, in particular to a system and a method for improving water sediment content monitoring accuracy based on machine learning. According to the method, a PLC program is designed through machine self-learning, the machine learning program is trained through examples (manual sampling data), PLC parameters are automatically calculated through machine learning, and parameter adjustment is conducted in time. Along with deep machine learning, the error between the measured value of the water body sand content online monitoring system and the measured value of manual sampling is gradually reduced, and the measurement accuracy of the water body sand content online monitoring system is improved. According to the method, the sensor is effectively close to a truth value under the training of a truth value sample, and the target of the method is that the numerical value of a certain measurement time is effectively close to the truth value, but the probability that the difference between the numerical value and the truth value is minimum in future measurement time is expected to be large; according to the machine learning algorithm based on artificial intelligence, the application range of the intelligent sensor field is effectively expanded, the application scene is wide, and the practicability is high.

The invention relates to the technical field of ballast water treatment, in particular to an automatic ship ballast water sediment collection and separation treatment device which comprises a cleaning vehicle, a separation device, a centrifugation device and a sterilization device. Each manipulator is provided with a first pipeline and a second pipeline. The cleaning vehicle is placed in the ballast tank, sediments in the ballast tank are cleaned, a water pipe is connected to a corresponding pump, the inside of the ballast tank is swept through a pipeline on a manipulator, a high-pressure water gun is aligned with the bulkhead needing to be cleaned for cleaning, and then the manipulator is used for spraying water to all places for cleaning. The overhigh-pressure directional water flow scours the deposition solid layer at the cabin bottom, so that hardened or tightly attached sediments are changed into a fluidized state again, automatic stripping of the sediments is achieved, manual shoveling is not needed, and the loosening efficiency of the sediments at the cabin bottom is improved.

The invention discloses a lake and reservoir sediment nitrogen and phosphorus release numerical simulation method. The method comprises the following steps: step 1, dividing a nitrogen and phosphorus migration process; step 2, sedimentation flux calculation; step 3, diagenesis flux calculation; step 4, calculating release flux; and 5, calculating and optimizing the release flux. According to the method disclosed by the invention, the dynamic resuspension process of the sediment and the response of an oxidation-reduction environment in the nitrogen and phosphorus release process of the sediment in the deep water lake and reservoir are fully considered, and the continuous dynamic simulation of the nitrogen and phosphorus sedimentation-diagenesis-re-release process of the overlying water-sediment interface is realized, so that a nitrogen and phosphorus endogenous release rule is more scientifically and accurately simulated; the method effectively improves the calculation precision of the nitrogen and phosphorus release process, and plays an important role in improving the water safety guarantee of deep water lakes and reservoirs in China.

The invention discloses a metabolism experiment device for a chemical pesticide water-sediment system. The metabolism experiment device comprises a box body, a culture assembly arranged in the box body, a reaction assembly arranged on the culture assembly, an adjusting assembly arranged in the box body and connected with the reaction assembly, and a gas chromatograph-mass spectrometer arranged at the top end of the box body, the device is reasonable in structural design, can accurately control key environmental parameters such as temperature, dissolved oxygen and pH value, simulates various natural environments such as aerobic environment and anaerobic environment, provides reliable environmental conditions for the research of the metabolic process of chemical pesticides, can be suitable for the metabolic research of different types of chemical pesticides in different water-sediment systems, and has wide application prospects. And reliable data support is provided for environmental risk assessment of pesticides.

The present application relates to the field of separation equipment, specifically a ship ballast water sediment receiving and disposing device, comprising a receiving and separating device, the receiving and separating device has a plurality of filtering mechanisms, the filtering mechanism comprises a plurality of fixed rings and movable strips, the movable strips are connected with movable columns, the movable columns are connected with a plug rod together and pass through a top cover, the filtering mechanism comprises a top spring abutting against the plug rod, a backflushing mechanism is installed in a tank structure and a top vibrating mechanism is installed on the backflushing mechanism and cooperates with the plug rod, the present application forms the basis of the filtering grid structure through the top spring, the fixed movable strips and the fixed rings, drives the plug rod connected with the movable strips to move upward through the top vibrating mechanism, thus generates small vibration and increases the flow rate of the local gap, and allows the movable columns to produce a certain impact on the base when falling, thus generates a large vibration on the filtering mechanism as a whole, obtains better vibration shaking effect, and facilitates cleaning of some adsorptive organisms.