273 results about "Suspended matter" patented technology

This invention relates to the field of wastewater treatment technology, and in particular to a wastewater purification and reuse device based on a membrane bioreactor. Addressing the limited removal efficiency of pollutants adhering to membrane elements in existing technologies, this invention provides a wastewater purification and reuse device based on a membrane bioreactor. The device includes a treatment tank containing a membrane bioreactor assembly. The assembly includes an assembly frame with multiple membrane elements mounted on it. Scrapers that cooperate with the membrane elements are located on both sides of a horizontal plate. A cleaning assembly also includes a vertically movable frame. When the frame moves downwards, the horizontal plate moves downwards, and the scrapers clean the outer surface of the membrane elements downwards. A movable scraper is located on a support, and a collection box is located on one side of the support. When the scraper moves to one side, the collection box opens. By directly scraping away impurities adhering to the outer surface of the membrane elements, suspended solids, colloidal particles, microbial flocs, and other pollutants on the membrane surface can be removed quickly and effectively.

The present application relates to the technical field of water environment treatment and ecological restoration, and discloses a water transparency improving device and method based on an intelligent linkage dosing system, the water transparency improving device based on the intelligent linkage dosing system comprising a water transparency sensor, a suspended substance concentration sensor, a chlorophyll a sensor, a data acquisition and discrimination module, a medicament dosing control module, a medicament storage and dosing module and a medicament spraying module; the water transparency sensor, the suspended substance concentration sensor and the chlorophyll a sensor are arranged in a target water body; the data acquisition and discrimination module is connected with the water transparency sensor, the suspended substance concentration sensor and the chlorophyll a sensor respectively; the medicament dosing control module is connected with the data acquisition and discrimination module and the medicament storage and dosing module respectively; and the medicament storage and dosing module is connected with the medicament spraying module. The present application realizes intelligent and automatic improvement of water transparency.

This invention belongs to the field of wastewater treatment, specifically relating to a composition, treatment agent, and application for treating oily wastewater and oily sludge. The composition comprises component A and component B, with a mass ratio of (40-100):(5-8). Component A consists of cyclodextrin, sodium alginate, and glycerol; component B is acrylamide. This invention uses cyclodextrin, sodium alginate, glycerol, and acrylamide as main components, containing functional groups such as polycarboxyl, polyhydroxy, carbonyl, and amino groups. It utilizes hydrogen bonding, covalent bonding, and electrostatic interactions between these functional groups to achieve rapid treatment of wastewater or sludge. Experiments show that this composition has good acid resistance and adsorption capacity, achieving the removal of oil and suspended solids from acidic oily wastewater and sludge without pre-oxidation or pH adjustment, effectively reducing treatment costs and simplifying the treatment process.

The application relates to the field of water quality detection, and particularly provides a water quality suspended matter detection method and device. The water quality suspended matter detection device comprises at least one sampling assembly, and the sampling assembly comprises a sampling cylinder, a detection assembly and a fixing support. The upper end cover and the lower end cover are respectively hinged to the upper and lower ends of the sampling cylinder. The detection assembly comprises a transmitter and a receiver which are arranged on the upper end cover and the lower end cover respectively. The fixing support comprises a fixing ring which is sleeved on the outer periphery of the sampling cylinder and a fixing frame which is connected with the fixing ring. The fixing frame is provided with a mounting frame, and the mounting frame is provided with a reflecting plate. When the upper end cover and the lower end cover are completely opened, the light emitted by the transmitter is reflected to the receiver through the reflecting plate. When the upper end cover and the lower end cover are completely closed, the light emitted by the transmitter is directly emitted to the receiver. The scheme can not only detect whether the sampling position is accurate, but also judge whether the sample in the sampling cylinder is invalid, so that the sampling precision and the detection precision are improved.

The application discloses a method for ultrasonic intensification treatment of low-concentration vanadium solution, which comprises the following steps: (1) filtering the vanadium-containing solution to be treated to remove the particulate suspensions in the vanadium solution; (2) adjusting the pH of the vanadium solution filtered in the step (1) to 4-8; (3) feeding the vanadium solution with the adjusted pH in the step (2) into a reactor and adding a vanadium removal agent; (4) starting a multi-frequency combined ultrasonic device to perform ultrasonic intensification treatment; and (5) performing solid-liquid separation to obtain a purified solution with a vanadium concentration less than 1 ppm.

The application provides a method and device for treating wastewater by combining a suspended filler floating bed and a soil infiltration system, and the method comprises the following steps: S1, breeding wastewater is treated by the suspended filler floating bed after passing through a hydrolysis tank, and effluent is treated in a sedimentation tank, and wastewater of the suspended filler floating bed is returned to the suspended filler floating bed for secondary treatment; S2, wastewater of the sedimentation tank is returned to the hydrolysis tank; and S3, effluent of the sedimentation tank is introduced into a soil underground infiltration system. The system provided by the application is beneficial to further strengthening the effects of denitrification, phosphorus removal and removal of suspended solids, and solves the problems of low dissolved oxygen content of influent and wastewater in the system, which is not conducive to the growth of nitrifying bacteria, and low effective volume utilization rate. In the use process, the filler does not need to be replaced, and mechanical aeration equipment does not need to be added, and the system has the advantages of low investment cost, no need to add chemical agents for treatment, obvious effect, not easy to breed mosquitoes, simple operation and management, and beautification of the environment, and has remarkable ecological and economic benefits for promoting deep purification of breeding wastewater.

This invention discloses a method for producing alcohol-based suspensions for produced water, comprising multiple steps including selecting alcohol-based solvents, adding dispersing agents, adding functional solid particles, precisely adjusting the pH value of the system, thorough mixing and homogenization, and filtration and purification. The alcohol-based suspension produced by this invention has uniformly dispersed internal solid particles and a large specific surface area, exhibiting extremely strong adsorption and capture capabilities. It can rapidly adsorb fine suspended particles, emulsified oils, organic impurities, and other pollutants in produced water, showing significant treatment effects on produced water with high solids content and high oil content. The removal rate of suspended solids can reach over 90%, and the removal rate of oil pollutants can reach over 85%, far superior to traditional flocculation and sedimentation processes. The treated water quality can meet discharge standards or be reused.

The application provides a phosphogypsum residue field water treatment process based on a membrane coupling chemical reactor, relates to the technical field of wastewater resource treatment, and can selectively perform gradient precipitation on fluorine, phosphorus, nitrogen and sulfur, cooperates with a membrane filter for targeted design, realizes a membrane separation process resistant to high-concentration suspended solids, and can make the membrane flux attenuation rate less than 5% / day. The application can effectively separate fluorine, phosphorus and nitrogen from water to form mud with resource value, the value of the resource product per ton of water treatment is higher than the treatment cost, 80% of the recovered water meets the industrial recycling standard, and the phosphogypsum residue field water can be advantageously used for quasi-zero emission and deep high-value resource utilization.

The utility model discloses a water body purification equipment of civil air defence water tank, including civil air defence water tank, the civil air defence water tank lower part is connected with water supply pump, the liquid outlet of water supply pump is connected with granule intercepting subassembly, one end of granule intercepting subassembly is connected with intermediate water tank, the utility model relates to civil air defence engineering technical field to water supply pump is the power, and the water body in civil air defence water tank is injected to granule intercepting subassembly, and the granular impurity in water body carries out mechanical separation, and the water body after separation further enters the intermediate water tank, can be used for the domestic water use in civil air defence engineering, and the water body in intermediate water tank is pressurized after the booster pump pressurization and is pressed into the purification silo through the water inlet main pipe, and under the action of water pressure, make water body pass through the internal pressure type ultrafiltration membrane, and intercept the bacteria, suspended solids, colloid and macromolecular organic matter in water body, and the purified water enters the water purification tank through the water outlet main pipe and is used for the supply of drinking water.

The utility model relates to the related technical field of wastewater treatment, especially lithium carbonate production's wastewater treatment device, including processing box, sealing cover, baffle, adjusting pool and sedimentation tank, first feeding pipe, second feeding pipe, wastewater inlet pipe, conveying pipeline, stirring component, filter assembly, sludge pump, surplus material recovery unit and controller. Lithium carbonate production's wastewater treatment device of the utility model, the untreated wastewater first enters the adjusting pool, and here through the improvement water quality of putting in medicament, stirring and adjusting pH value, then through conveying pipeline and is transported to the sedimentation tank, adds coagulant and coagulation aid in the sedimentation tank and promotes suspended solid to deposit, finally separates out solid and liquid through filter assembly and sludge pump, realizes the efficient treatment of wastewater and the recovery of solid salt.

The utility model discloses a cyclone type solid liquid separator, including cylindrical main part, with the cylindrical main part connects the conical bucket structure and sets up the flow guide structure in the cylindrical main part inside, the cylindrical main part is provided with the water inlet and the water outlet, the conical bucket structure bottom is provided with the blowdown, the flow guide structure includes the flow guide cylinder and the flow guide cone of flow guide cylinder connection, flow guide cylinder with the cylindrical main part top connection, be provided with the water outlet pipe that is connected with the water outlet in the cylindrical main part, the water outlet pipe is from the water outlet extends to the flow guide structure inside. The cyclone type solid liquid separator inside of this scheme has no mechanical operation mechanism, almost does not need manual maintenance when operating, avoids the problem of easy blockage, maintenance troublesome of filter equipment. Adopt cyclone centrifugal principle, form inside and outside double eddy current through flow guide structure, can effectively separate the suspended matter of big specific gravity in big flow circulating water, solves the problem that traditional sedimentation tank is poor to big flow circulating water separation effect.

This utility model relates to the field of water purification technology, and in particular to water purification and filtration equipment for water conservancy projects. It includes a device body comprising an upper body and a lower body fixedly connected vertically, with a filter screen connected between them. A top cover assembly is provided at the upper end of the upper body. Several slots are provided on both sides of the interior of the upper body, and detachable filter plates are arranged between these slots. A rotatable dynamic filter assembly is provided inside the lower body, with one end of the dynamic filter assembly connected to a driving component. The driving component drives the dynamic filter assembly to rotate. A downwardly extending protrusion is fixedly connected to one end of the filter screen. This utility model employs a dual filtration method combining filter plates and a dynamic filter assembly. Compared to traditional single-media filter structures, this method effectively removes impurities and pollutants from water, significantly improving the removal rate of suspended solids and the adsorption efficiency of chemical pollutants.

The utility model relates to water supply and drainage treatment technical field especially, more particularly to a kind of integrated high-efficiency coagulation sedimentation filtration device, including main storehouse, and the inclined hole plate and mud bucket are respectively fixedly connected in main storehouse, and total inlet pipe is fixedly arranged on main storehouse, coagulation bin is fixedly arranged in main storehouse, and total inlet pipe and coagulation bin are through, and water distribution pipe is fixedly arranged on coagulation bin, and water distribution pipe extends to the below inclined hole plate, further include;Filtering assembly, filtering assembly is used to filter supernatant after via inclined hole plate;Sewage pumping assembly, sewage pumping assembly is used to extract sludge on mud bucket;Stirring assembly, stirring assembly is used to stir fluid in coagulation bin.The utility model is set by sewage pumping assembly and filtering assembly etc.parts, compared with the treatment in prior art, coagulation, sedimentation and filtration function are integrated, and sludge reflux system is additionally provided, and it is high in integration, and small in floor area, can efficiently treat suspended solids and other substances in sewage.

This invention belongs to the field of wastewater denitrification technology, specifically an integrated zoned denitrification method based on anaerobic ammonia oxidation reaction, comprising the following steps: S1, removing high concentrations of organic matter and suspended solids from wastewater through coagulation sedimentation or chemical oxidation pretreatment to avoid inhibition of subsequent Anammox treatment; S2, dividing the integrated reactor into zones, setting up a short-cut nitrification zone and an Anammox reaction zone; S3, partially recirculating the effluent from the Anammox reaction zone back to the short-cut nitrification zone to replenish nitrite and balance the carbon-nitrogen ratio; recirculating Anammox granular sludge to the reaction zone through a sedimentation zone to maintain biomass concentration and reaction efficiency; S4, setting up a secondary sedimentation tank or an internal sedimentation zone to achieve sludge-water separation, discharging excess sludge and ensuring effluent meets standards. This invention ensures stable denitrification efficiency by dynamically adjusting the dissolved oxygen in the short-cut nitrification zone and the pH value in the Anammox reaction zone.

The application discloses a water conservancy slope construction process for ecological restoration, relates to the technical field of slope ecological restoration of water conservancy projects, and adjusts the slope of a river embankment through stacked stone cage net boxes; meanwhile, the net cage structure of the stone cage net box enables suspended matters and silt in water to be deposited in the gaps of the stone blocks, prevents excessive scouring of the silt, and, with the flexibility of the stone cage net, stabilizes the foundation to reduce uneven settlement of the foundation; further, an ecological concrete layer is cast in situ on the stone cage net box, and a geotechnical unit is laid on the ecological concrete layer; the three-layer impact resistance of porous bricks + the geotechnical unit + ecological concrete resists the scouring of water flow with a higher flow rate, meanwhile, nutrient soil fills the pores of the ecological concrete, the geotechnical unit solidifies the soil, and the plant root system can penetrate the ecological concrete and enter the stone cage net, so that the stability of the plants is strengthened; the process organically combines the flexibility of the stone cage net, the porosity of the ecological concrete, the soil solidification of the geotechnical unit and the rigidity of the porous bricks, and forms a composite slope protection system with layered defense.

The utility model relates to oil and gas production field, concretely relates to a quick -opening type condensate oil filter equipment, including separation tank, filter core assembly and blowdown valve, separation tank is provided with oil inlet and installation opening, filter core assembly is installed at installation opening department, the inside of filter core assembly is defined as the filter after cavity that communicates with oil outlet, when filter core assembly is installed in separation tank, filter core assembly will the space between separation tank inboard, filter core assembly outboard is defined as the filter before cavity that communicates with oil inlet, blowdown valve is set up in the bottom of separation tank, and communicates with filter before cavity, the utility model discloses the filter mode is set to by filter core assembly outside inside filtration, so that the suspended solids and impurities of being intercepted can be collected in the filter before cavity of relatively wide space, and not directly, densely adhere to the filter screen surface, therefore, this kind of structure greatly delays the clogging speed of filter screen, thereby prolongs the effective period of device single continuous work.

This invention discloses a method for the synergistic control and removal of organic matter in the hydrometallurgical process of zinc smelting, belonging to the field of hydrometallurgical technology. It includes the following steps: incorporating the TOC content of manganese ore powder and iron removal agent into quality monitoring and limiting content thresholds; controlling the addition amounts of flocculant, bone glue, and organic cobalt removal agent; and simultaneously adjusting the concentrations of zinc ions and soluble silicon in the supernatant to reduce liquid viscosity, thereby reducing the introduction of impurities at the source; adding activated carbon to the purification process to adsorb organic matter; and adding a waste liquid circulation filtration system to the electrolysis process, while selectively adding modified activated carbon to remove suspended solids, organic matter, colloids, and harmful impurity ions from the electrolytic waste liquid. This invention achieves three main benefits: first, it establishes a synergistic removal system for fine suspended solids, colloids, organic matter, and impurity ions; second, it increases the electrolysis current efficiency to over 90% and reduces cell voltage; and third, it improves the utilization efficiency of fresh liquid and reduces overall production costs.

This invention provides a coupled recirculating aquaculture system and method. The coupled recirculating aquaculture system includes: an aquaculture pond for aquaculture, with a central suspended solids drain pipe and a water-pushing device inside; a denitrification unit whose inlet is connected to the central suspended solids drain pipe and whose outlet is connected to the water-pushing device, the denitrification unit denitrifies the water and returns the denitrified water to the aquaculture pond via the water-pushing device; and a carbon-nitrogen ratio coordination unit connected between the water-pushing device and the denitrification unit, which adjusts the content of growth elements in the water entering the aquaculture pond according to changes in the growth elements required by the aquatic products, and simultaneously sends the water discharged from the denitrification unit into the aquaculture pond via the water-pushing device. The denitrification unit effectively removes ammonia nitrogen from the water in the aquaculture pond, ensuring the lifespan of the aquatic products and reducing the area of ​​the coupled recirculating aquaculture system.

The application relates to the sewage treatment field, in particular to a novel high-efficiency filtering device, which comprises a clear liquid chamber, an upper shunt cavity is arranged at the top of the inside of the clear liquid chamber, a lower shunt cavity is arranged at the bottom of the inside of the clear liquid chamber, a water inlet and a water outlet are further arranged on the clear liquid chamber, and the water inlet is communicated with the lower shunt cavity; in the application, the filtering pipes in the filtering device are connected in parallel first and then connected in series through a specially-designed shunt isolation plate; raw water flows in all the filtering pipes, under the action of pressure, suspended matters are intercepted through the micropores of the filtering pipes, clear water is collected in the clear liquid chamber of the filtering device, the intercepted suspended matters flow to the next-stage filtering pipe with water, the flow of the raw water is reduced, and the number of the corresponding filtering pipes is also reduced, so that the connection mode of parallel connection first and then series connection is adopted, cross-flow filtration can be realized without a cross-flow pump, and the purpose of concentrating suspended matters is achieved.

The utility model relates to the field of water quality on -line monitoring, concretely relates to an oilfield water quality multi -parameter on -line monitoring device. An oilfield water quality multi -parameter on -line monitoring device, including the flow through groove group that is connected in proper order through the flow through pipeline, the inlet pipeline of first flow through groove is connected with oilfield wastewater, the outlet pipeline of last flow through groove is connected with external outlet pipeline, any flow through groove and its corresponding inlet pipeline all are acute angle, and the monitoring probe is inserted along the extension direction of flow through groove, still include the monitoring device for receiving monitoring probe information. The utility model discloses flow through groove and its corresponding inlet pipeline all are acute angle, and the flow through groove of inclined arrangement can make the bubble in the water flow of water inlet along the inclined surface and quickly separate, thereby reduce the influence of bubble in the water flow of water inlet to the data accuracy of monitoring probe collection, and the monitoring probe and water inlet water flow are acute angle and can relieve the attachment of impurity, suspended matter and water oil and other pollutants in the water flow of water inlet on the monitoring probe, and further relieve the pollution to the monitoring probe.

The present application relates to the technical field of mine water treatment, and particularly relates to a mine water treatment agent proportioning intelligent recommendation method based on multi-objective optimization, comprising: collecting mine water treatment multi-dimensional dynamic data and preprocessing to obtain standardized engineering benchmark data sequences; constructing a heavy metal and suspended matter competitive adsorption index and a flocculation body hydraulic shear vulnerability index according to the standardized engineering benchmark data sequences; fusing the standardized engineering benchmark data sequences with the heavy metal and suspended matter competitive adsorption index and the flocculation body hydraulic shear vulnerability index, and predicting future water outflow turbidity by using a classification enhanced gradient boosting tree prediction algorithm; constructing a fitness objective function according to the future water outflow turbidity combined with engineering penalty constraints, and optimizing by using a multi-objective particle swarm optimization algorithm. Through the technical scheme of the present application, the solidity of the flocculation body microstructure can be ensured under harsh working conditions, and invalid consumption of the agent can be avoided.

This invention discloses a softening treatment device and method for high-temperature oilfield wastewater, relating to the field of wastewater treatment technology. Oilfield wastewater enters a pre-desorption tank for impurity removal. The barium-strontium adsorption tank contains, from top to bottom, a fine quartz sand layer, a chelating resin layer, and a coarse quartz sand layer. The silicate pre-desorption tank contains an acid-base regulator, a dispersant, and a magnesium oxide suspension. The carbonate softening tank contains a dispersant, a coagulant aid, a soda ash solution, and a chelating agent. The stabilizing tank contains, from top to bottom, a modified activated carbon layer and an exchange resin layer. This invention uses the pre-desorption tank to initially separate oil, suspended solids, and corrosion products. A specialized chelating resin selectively adsorbs barium-strontium ions. In the silicate pre-desorption tank, pH is precisely controlled and magnesium oxide is added to directionally generate settleable magnesium silicate flocs. In the carbonate softening tank, crystal form control and coagulation aid work synergistically to promote the precipitation of calcium and magnesium in the form of large calcite particles.

This invention relates to the field of filtration equipment technology and discloses a multi-channel rapid filtration device based on ceramic filter rods. The device includes a treatment box with a frame at the front center to support the stable entry of wastewater. By adding and setting a filter cake treatment mechanism, when treating wastewater containing suspended solids and colloidal substances, this mechanism, on the one hand, uses a multi-stage filtration design with coarse and fine filter plates to gradually remove suspended impurities of different particle sizes from the wastewater, reducing the total amount of suspended solids entering the ceramic filter rod body and lowering the probability of filter cake formation at the source. Simultaneously, the cleaning door facilitates impurity removal, ensuring long-term smooth operation of the mechanism. On the other hand, the spiral micro-nano guide channels within the ceramic filter rod body guide the water flow to form a shear flow, flushing the inner wall to prevent vertical deposition of suspended solids. Furthermore, the micro-nano rough texture increases the contact gap between the filter cake and the inner wall, reducing filter cake adhesion and effectively preventing filter cake from clogging the filter pores.

The application relates to the technical field of solid waste treatment, and discloses a tunnel shield mud treatment system and a treatment method thereof. The system comprises a screening machine, a cyclone separator, a flocculation sedimentation tank, a high-pressure diaphragm filter, a clean water tank and a regenerated water device. The screening machine is used for multi-stage screening and is integrated with a self-adaptive adjusting device. The cyclone separator adopts a two-stage cyclone series structure for coarse and fine particle separation. The flocculation sedimentation tank is equipped with an online water quality analyzer and a reagent feeding device. The high-pressure diaphragm filter is configured with a concentration sensor and an automatic cake unloading device. The clean water tank comprises an ultrafiltration membrane assembly and an activated carbon adsorption tank. The regenerated water device comprises an ozone ultraviolet advanced oxidation system, an electrochemical desalination module and a sodium hypochlorite slow-release disinfection device. Through the technical scheme, the screening efficiency can be improved to more than 95%, the fine particle separation efficiency can reach more than 90%, the effluent suspended matter concentration can be stabilized below 25 mg / L, the moisture content of the mud cake can be reduced to below 14%, the clean water recycling rate can reach 98%, and the overall energy consumption of the system can be reduced by 40%.

This invention belongs to the field of oil and gas field wastewater treatment technology, and discloses a treatment system and method for oil and gas field fracturing flowback fluid. The system comprises a de-gelling and flocculation system, a microbubble ozone system, a reverse osmosis interception system, and a bio-enhanced degradation system connected in sequence. The de-gelling and flocculation system receives the raw water to be treated and, through the synergistic effect of chemical de-gelling and physical swirling fields, separates and removes oily substances and suspended solids from the raw water, forming de-gelling permeate. The microbubble ozone system is used to deeply oxidize the de-gelling permeate, forming oxidation permeate. The reverse osmosis interception system is used to desalinate and deeply purify the oxidation permeate, forming reverse osmosis permeate. The bio-enhanced degradation system is used to degrade biodegradable pollutants in the reverse osmosis permeate to obtain system effluent. This invention achieves the comprehensive goal of a compact process and stable effluent that meets standards for reuse or discharge through a closed-loop treatment path of progressive pollutant reduction and differentiated purification.