154 results about "Water sediment" patented technology

The invention discloses a penetration probe-based deep sea multi-element comprehensive observation system, which comprises an upper computer and a data recovery cabin, wherein the upper end and the lower end of the data recovery cabin are connected with a probe rod through a hydraulic separation releaser and a launching device respectively; a small-sized pile driver is arranged in the launching device; the launching device is provided with an underwater search light, an underwater camera and an underwater acoustic communication transceiver; the top of the data recovery cabin is provided with a floating body; a central controller is included in the data recovery cabin; the outer side face of the data recovery cabin is provided with an underwater acoustic transducer; and the outer surface of the probe rod is provided with more than 10 annular electrodes and more than 2 pore water pressure sensors which are connected with the central controller. The system has a simple structure, is reliable in work and accurate in control, can carry various sensors and adapt to a deep sea high pressure environment, and can synchronously and automatically observe and record states and changes of sea water and sediments within a 10m depth range close to a sea water-sediment interface with over 2,000m water depth, including the state of sediments of 6-7m below a sea bottom surface, the condition ofsea water of a bottom layer of 3-4m above the sea bottom surface and the dynamic change in position of the sea bottom surface.

The invention discloses a construction method of a flat shoal flow prediction model based on joint control of upstream-downstream borders over a lower reach. The construction method specifically comprises the steps of adopting a one-dimensional hydrodynamic model to calculate and study a water level-flow relation curve of each fixed section in the reach; determining flat shoal flow in each section according to flat shoal elevation in each fixed section; adopting a method based on the combination of geometric average of logarithmic transformation and weighted average of section spacing to calculate the flat shoal flow of reach dimension; analyzing a response relationship of the flat shoal flow adjustment on an upstream water-sediment condition and downstream water level change, and constructing the prediction model based on joint control of the upstream-downstream borders over the lower reach. According to the construction method of the flat shoal flow prediction model based on joint control of the upstream-downstream borders over the lower reach, the calculated and obtained flat shoal flow of reach dimension is capable of better describing the flow passing capacity of the whole reach, and thus the flat shoal flow is more representative; the constructed flat shoal flow prediction model is capable of well reflecting the variation trend of the flat shoal flow along with the upstream water-sediment condition when the downstream water level changes sharply, and thus the constructed flat shoal flow prediction model has a guidance significance in the flood prevention and riverway management.

The invention relates to a process for treating waste paper pulping and papermaking waste water. The process comprises the following steps of: removing large-particle suspended matters from waste paper pulping and papermaking waste water through a grille well arranged at a discharge outlet, then feeding the waste paper pulping and papermaking waste water in a water collection tank, and pumping into a filtration system of an inclined screen device through a waste water lift pump; regulating and homogenizing the quality and quantity of waste water in a regulating tank, pumping water from the regulating tank into a horizontal-flow flotation tank through the lift pump, feeding a coagulant for coagulating sedimentation; feeding outflowing water of the horizontal-flow flotation tank into a middle tank, pumping a part of outflowing water into a workshop for reuse through a backflow pump, and pumping the rest part of outflowing water into an anaerobic tank; enabling the outflowing water of the anaerobic tank to an aerobic tank, enabling the outflowing water of the aerobic tank to a secondary sedimentation tank; enabling a part of outflowing water sedimented to flow in a recycling water collection tank and then pumped into the workshop for recycling; and enabling the other part of outflowing water to flow in a terminal discharge tank to reach the emission standard; enabling a part of biochemical sludge discharged from the secondary sedimentation tank to flow back to the aerobic tank, and enabling the other part of sludge to flow in a sludge thickening tank to be thickened, discharging supernatant of the secondary sedimentation tank into the regulating tank, and enabling the thickened filtrate to flow back into the regulating tank.

The invention relates to a preparation and the preparation method for restoring the microecological bacteria on the interface layer of water-sediment. The microecological bacteria preparation uses 0.2-0.4mm of medical stone as carrier, absorbs and fixes the composite microbe optimally combined by bacillus subtilis, bacillus licheniformis, bacillus megatherium, and thin yellow streptomyces. The amount ratio of bacillus subtilis to bacillus licheniformis to bacillus megatherium approximates to one to one to one; the volume ratio of the mixture liquid of the three kinds of bacillus to the thin yellow streptomyces liquid is two to one. The invention has the advantages that spreading the preparation of the invention into the interface layer of functional water body water-sediment in the spring March to April each year can prevent blue algae (aerugo micro-capsule algae is the most) from fulminantly growing in summer June to August. The preparation can improve the quality of water, can prevent eutrophication development, and can promote the carbon, nitrogen, and oxygen circulation on the interface layer of water-sediment. The microecological bacteria preparation has high effective colony amount and strong adaptability; and is effective to restore the microecological environment at the interface layer of water-sediment.

The invention discloses a high/low concentration-adaptive sediment movement numerical simulation method. The method comprises the following steps of: (1) establishing a high/low concentration-adaptivesediment movement mathematic model; (2) calculating a boundary condition, a suspended sediment settlement speed, a bed surface shearing stress, a stability function and correction adapted to a high/low concentration sediment condition; (3) solving the high/low concentration-adaptive sediment movement mathematic model; (4) carrying out water flow verification on the sediment movement mathematic model by adoption of practically measured data, verifying a sediment concentration and verifying channel deposit distribution; and (5) analyzing influences, on river-mouth channel sediment deposit, of each factor according to a sediment movement mathematic model result. According to the method, a three-dimensional sediment transportation simulation technology is provided, a sediment movement numerical simulation technology which considers a water-sediment interaction mechanism and a sediment suspension mechanism under high/low concentration sediment conditions is provided, so that numerical simulation research is carried out on engineering problems such as river-mouth channel sediment deposit and the like, action process and mechanism of sediment transportation are analyzed, and scientific and technological support is provided for engineering practice.

The invention relates to the technical field of water sediment collecting devices, in particular to a portable static sediment sampler. The portable static sediment sampler comprises a fluid sediment collecting cavity (16), a solid sediment collecting cavity (17), a drainage cavity (18) and a connecting rod (19); the fluid sediment collecting cavity (16) mainly comprises a fluid sediment cavity body (1) and a unidirectional loose leaf (2); the solid sediment collecting cavity (17) comprises a solid sediment cavity body (3) and a coaxially installed cavity core (4); and the drainage cavity (18) mainly comprises a drainage cavity body (9), a drainage hole (14) is drilled on the bottom surface of the drainage cavity, and a rubber movable cover (13) is arranged on the upper surface. The invention not only stops the loss of fluid sediments, but also can prevent the interference of water for a sample through the unidirectional loose leaf and the rubber movable cover; solid sediments are collected into a transparent cavity core, so that not only the state of the solid sediments can be visually observed, but also the spatial distribution of the sediments can not be damaged; and the sampler is flexible and accurate and has the characteristics of portability, flexibility and simple operation.

The invention discloses a movable sand-adding and wave-making muddy water model test device with an automatic sand-removing function and a method. The movable sand-adding and wave-making muddy water model test device comprises a test water tank system, a wave-making system, a sand-adding and sand-removing system, a monitoring system and a control system. The wave-making system adopts the arrangement that a movable type wave-making machine is combined with a fixed type wave-making machine, and a vertical type energy dissipation box is combined with a slope type energy dissipation net, and simulation of a three-way regular wave and a multiway irregular wave can be achieved; the sand-adding and sand-removing system can achieve sand adding in a multi-section and movable mode, and can achieve the automatic sand-removing function; and the monitoring system and the control system can achieve closed-loop control of the device, so that the device achieves a simulation test where sand adding is synchronously matched with the waves according to a given sand-adding spatial and temporal process curve. According to the movable sand-adding and wave-making muddy water model test device with the automatic sand-removing function and the method, multi-direction and multi-waveform waves can be generated, further the stability of test sand-adding can be guaranteed, the functions of automatic, movable type and multi-direction wave-making and sand-adding are achieved, test water-sediment can be circularly utilized, the automatic sand-removing function is achieved, and the test cost is effectively reduced.

The invention relates to a water-sediment separation device, in particular to a water-sediment multistage filtration and separation device, which consists of a support, a tank body, a filter barrel, amotor, discharge pipes and collection barrels. The motor is disposed outside the tank body and is fixedly connected to the top of the tank body, a motor shaft is connected to a transmission shaft, the transmission shaft extends downward into the tank body, the filter barrel is vertically arranged in the tank body, the filter barrel is internally equipped with several filter groups, each filter group consists of a collection plate and a filter screen, the transmission shaft is fixedly connected to the filter screen, the lower surface of the filter screen is fixedly connected to a scraping plate, the upper end of the transmission shaft is fixedly connected to impellers, the filter barrel is equipped with discharge holes, the discharge holes are internally equipped with discharge valves, oneends of the discharge pipes are in fixed connection with the discharge holes, and the other ends pass through the tank body and extend out of the tank body, the collection barrels are disposed belowthe orifices of the discharge pipes, and different filter groups have different filter screen apertures. The device with the above structure can realize classification, separation and collection of sediment in water, and the same time also accelerate the filtration and separation rate.

The invention discloses a gradually-rising spiral passive sampler for organic pollutants on a water-sediment interface. The gradually-rising spiral passive sampler comprises a sediment pore water sampler and a water sampler arranged above the sediment pore water sampler, wherein a plurality of sediment sampling units are vertically arranged inside the sediment pore water sampler; a plurality of transversely-arranged water sampling units are sequentially arranged inside the water sampler in a vertical direction; the sediment pore water sampler and the water sampler are organically combined together, the sediment sampling units are arranged vertically and the transversely-arranged water sampling units are sequentially arranged in the vertical direction, so that the concentration of the organic pollutants in sediment pore water in different depths and the concentration of the organic pollutants in overlying water at different heights at the same position can be accurately obtained at the same time, namely the concentrations at different positions in the sediment pore water and the overlying water can be measured from multiple points at the same time; and through mathematical calculation, the real diffusion flux between the sediment pore water and the overlying water can be obtained. The gradually-rising spiral passive sampler is applied to the technical field of sampling of pollutants in water.

Disclosed is a permeameter for in-situ measurement of saturated hydraulic conductivity. The permeameter includes a chamber fixedly installed into a streambed sediment such that the inside of the chamber is filled with a medium, sediment at water-sediment interface. First and second hydraulic head-measuring lines are respectively connected to upper and lower portions of an outer circumferential surface of the chamber, these are designed for measuring a hydraulic head difference of the inside of the chamber. A flexible tube is interconnected the chamber with the storage pipe. A storage pipe is designed to regulate a hydraulic head difference from the chamber and to measure a quantity and a flow rate of water introduced from the chamber under the streambed.

The invention discloses a shallow water deposit and water sample collection device and using method thereof.The device comprises a sampling tube, hole sampling tube cap, a piston pushing rod, an upper choke plug, a lower choke plug, a check valve, an extension rod, a deposit collection head, a water sample collection head and a deposit slicing head.When water is collected, the upper end of the sampling tube is sequentially connected with the hole sampling tube cap, the check valve and the extension rod, and the lower end of the sampling tube is connected with the water sample collection head; when deposit is collected, the upper end of the sampling tube is sequentially connected with the hole sampling tube cap, the check valve and the extension rod, and the lower end of the sampling tube is connected with the deposit collection head; when the deposit is stored, the upper end of the sampling tube is connected with the upper choke plug, and the lower end of the sampling tube is connected with the lower choke plug; when the deposit is cut, the upper end of the sampling tube is inserted into the piston push rod, and the lower end of the sampling tube is connected with the deposit slicing head.Deposit collection and water sample collection are integrated, in-situ layering characteristics of samples can be stored, the structure is simple, the manufacturing cost is low, carrying is easy, use is convenient, and the device is multifunctional and has the wide application value.

The invention discloses a microbial purifying agent for aquaculture waterand the purifying agent is activated montmorillonite particles with immobilized bacillus coagulans. The invention also provides a preparation method of the purifying agent. The purifying agent uses activated montmorillonite as the immobilized carrier and uses bacillus coagulans as the immobilized object to proliferate through coculture; the quantity of the immobilized bacteria is high, the enrichment efficiency is high; the immobilized bacillus coagulans can maintain high activity, be protected by the activated montmorillonite from being eaten by other creatures and fast fall to the water-sediment interface of the bottom of a pond to purify water; the activated montmorillonite has better adsorption property and can more effectively adsorb the pollutants at the water-sediment interface; the used materials are non-toxic and harmless and can not cause secondary pollution; and the purifying agent has low cost and is convenient to transport and store, and the scale production of the purifying agent can be realized.

The present invention relates to a method for evaluating water quality by using microbial diversity indicators in water sediments. According to the method, the structure of microbiological community in sediments is determined by using the Miseq high throughput sequencing, the relationship between the microorganism and the living environment is researched by using such statistic methods as principal component analysis, and non metric multidimensional scaling analysis, and the PA and BGN are calculated, wherein beta evaluates microbial indicators to determine the water eutrophication level and pollution level. According to the present invention, the microbial community characteristics of different types of water sediments in different pollution types can be objectively and comprehensively obtained by using the high throughput sequencing technology, water bodies and water qualities are evaluated integrally, and the selected microbial evaluation indicators can sensitively reflect the change of the water quality and the adaptability is wide, which can accurately detect all types of water sediments.

The invention discloses a water tank waste water heat recovery heat pump water heater. The water tank waste water heat recovery heat pump water heater comprises a waste water sediment filtering pool, a bathing wastewater tank, a hot water tank, an electric heater, a hot water circulating pump, a constant pressure variable frequency pump, a waste water pump, a regulating valve, an evaporator, a throttle valve, a compressor and a condenser, wherein an inlet of the waste water sediment filtering pool is connected with a bathroom waste water collecting pipeline, and an outlet of the waste water sediment filtering pool is connected with the bathing wastewater tank; the bathing wastewater tank, a waste water pump and the evaporator are sequentially connected through pipelines to form a waste water circulation loop; the hot water tank, the hot water circulating pump, the electric heater and the condenser are sequentially connected through the pipelines to form a hot water producing circulation loop, and a tap water pipeline penetrates the bathing wastewater tank to be connected with a hot water circulation pipeline which is located between the electric heater and the condenser; the evaporator, the compressor, the condenser and the throttle valve are connected through the pipelines to form a closed circulation heat pump device; the hot water tank is connected with the constant pressure variable frequency pump. By means of the water tank waste water heat recovery heat pump water heater, bathroom waste water waste heat can be fully and effectively utilized, the power of the heat pump compressor is reduced, and great energy-saving advantages are achieved.

A method of washing trades equipment comprising directing a wash fluid in a substantially clean state supplied from a supply tank by a first pump through a nozzle, at the equipment. Collecting the now contaminated wash fluid within a receptacle into a collection tank positioned above the supply tank. The wash fluid in the collection tank dosed by a coagulant is allowed to separate into relatively clean wash fluid above a layer of sediment in the collection tank, and at least a portion of the relatively clean wash fluid in said collection tank is discharged into the supply tank under the influence of gravity. Periodically a second pump is used to pump sediment and wash fluid to a filter assembly and that under the influence of gravity wash fluid passes through the filter assembly thereby by leaving behind a substantially de-watered sediment in the filter assembly,

The invention discloses a synchronous combined calculation method for sediment scour and deposition of a cascade reservoir. The method comprises the steps of 1, collecting data of a riverway terrain of the cascade reservoir, inflow water and sediment, a reservoir regulation mode and the like; 2, building a one-dimensional non-constant running water and sediment mathematic model of the cascade reservoir; 3, dividing a calculation range of the cascade reservoir into different calculation river reaches by taking reservoir dam sites as boundaries, and processing non-constant running water and sediment calculation of each calculation river reach according to a single reservoir; 4, performing sediment scour and deposition calculation on reservoirs one by one in a same calculation step length, wherein a calculation sequence of the cascade reservoir is that the most downstream reservoir is calculated gradually from the most upstream reservoir; and 5, when a reservoir calculation result does not meet a constraint condition requirement at a moment in the step 4, returning to a previous calculation step length, adjusting the reservoir regulation mode and performing recalculation. According to the method, synchronous combined calculation of sediment scour and deposition of the cascade reservoir can be realized and technical support can be provided for water-sediment united operation of the cascade reservoir.

The invention discloses a slit preventing and desilting device and method for a harbor basin. The slit preventing and desilting device is arranged in a harbor basin defined by groynes; a water level raising device is arranged on the water attaining surface of the groynes; a gutter communicated with the water level raising device is formed the groynes; erosion and deposition water outlets communicated with the gutter are formed in the harbor basin; the level of a wave is raised by the water level raising device; the wave is collected in the gutter and washed away through the erosion and deposition water outlets continuously. The slit preventing and desilting device has the advantages that the wave energy is used fully to raise the water level; erosion and deposition water flow is formed after water storage; water flow distribution in the harbor basin can be improved effectively; water-sediment movement is prevented; silt accumulation layer in the harbor basin is removed; silt accumulation is prevented permanently.

The group of inventions relates to the field of organic chemistry and can be used for cleaning water, industrial and domestic waste water or waste water sediment, and for the containment and recovery of petroleum and petroleum product spills in large bodies of water, rivers, lakes and seas. In the claimed group of inventions, aqueous solutions of polysaccharide microgels, having a molecular mass of 20000-200000 daltons and a particle size of 50-600 nm, are used as a substance for cleaning water of petroleum and petroleum products. Moreover, low concentrations of polysaccharide microgels in water, ranging from 0.1 to 20 g/l, are used. Said solutions are used as a surface modifier for a filter used in separating water-oil emulsions, as a sorbent for the containment and recovery of oil spills in an aqueous medium, and also as a coagulant for the cleaning of water polluted by petroleum and petroleum products. The technical result is in making it possible to recover a commercial product, recovered during the process of cleaning water of petroleum or petroleum products, and to recover the starting substance for the reuse thereof, while simultaneously simplifying the slurry utilization process.

Embodiments of the invention provide a method and system for correcting model parameters of alluvial river water-sediment models in real time. The method comprises the following steps of: extracting awater boundary of a river way by utilizing a pre-obtained remote sensing image and generating a node elevation value of an orthogonal body fitted mesh on the plane of the river way; obtaining boundary data of the river way and generating initial field data of an alluvial river water-sediment model; discretely solving the alluvial river water-sediment model under a body fitted coordinate system according to the node elevation value and the initial field data; setting a model parameter range of the alluvial river water-sediment model and generating a plurality of parameter sample groups; operating the alluvial river water-sediment model and respectively calculating target function response values corresponding to the parameter sample groups; and carrying out approximate simulation on an input-output relationship of the alluvial river water-sediment model so as to generate a response surface model and optimizing the model parameters of the alluvial river water-sediment model. Through optimizing the model parameters, prediction results obtained by users according to the model can fit the real water-sediment movement state.

The invention discloses a cinobufotoxin soft capsule and making method, which comprises the following steps: adapting the toad fur as raw material; utilizing the alcohol-extracting of water sediment method to condense the fur into concrete; adding fitful auxiliary even mixing material; making the particle; drying and disintegrating the toad fur extraction into fine powder; adding fitful auxiliary material to blend evenly; making the content of cinobufotoxin soft capsule. The invention improves the biological availability with good stability, which guarantees the production quality.

The invention discloses a delay-start type multi-motor synchronous vibrating subglacial water sediment sampler, which comprises an electric pressure chamber, a vibration pressure chamber, a sampling tube component and a guiding counterweight unit, wherein the electric pressure chamber is arranged at the top end, and the vibration pressure chamber, the sampling tube component and the guiding counterweight unit are sequentially assembled at the lower part of the electric pressure chamber; the lower end of the electric pressure chamber is connected with the upper end of the vibration pressure chamber through a vibration damping unit, and the lower end of the vibration pressure chamber is connected with the upper end of the sampling tube component through a connecting locking device; the upperend of the guiding counterweight unit is suspended at the lower end of the sampling tube component. The delay-start type multi-motor synchronous vibrating subglacial water sediment sampler disclosedby the invention has the beneficial effects of being beneficial to obtain deep sediment samples, overcoming the defect that the external guide support in marine sediment sampling equipment can not beused, and realizing the vibration mode of the sampler in a single direction. The whole sampler adopts a modular design, and is convenient to disassemble and assemble, maintain and replace, and the surface working time is saved.