3370results about "Liquid separation" patented technology

The invention discloses a micro-nano air flotation coupling critical micro-flocculation phosphorus removal control method, which relates to the technical field of water treatment, and comprises the following steps: when the total phosphorus concentration is lower than a preset concentration threshold value, determining the proportion of non-target particles based on the water turbidity and particle spectrum distribution; adding a flocculating agent according to a preset critical dosage to generate target phosphorus floc, and synchronously forming a primary flocculation phase which can be distinguished from non-target particles; applying an interfacial activity regulation factor to the micro-nano bubbles based on the primary flocculation phase, and performing selective regulation; forming a bubble-phosphorus floc complex based on a selective regulation effect; the bubble-phosphorus floc complex is separated and removed in an air flotation mode, the competition intensity history of non-target particles is recorded, and a competition memory curve is formed. According to the method, interfacial activity regulation factors are applied to the surfaces of the micro-nano bubbles, so that the micro-nano bubbles can preferentially and selectively adsorb target phosphorus floc, and efficient removal of low-concentration total phosphorus is realized.

The invention discloses sewage treatment equipment and method for oil field thickened oil produced water. The equipment comprises pretreatment equipment, main body equipment, dissolved gas supply equipment and a water outlet pump. Main body equipment comprises barrel equipment, and a flotation cyclone used for achieving the functions of dissolved air flotation and cyclone separation at the same time, separating out large-particle suspended solids through centrifugal force difference and achieving floating of oil drops through microbubble adsorption surfaces is sequentially arranged on the inner portion of the barrel equipment from top to bottom. The coalescence filler layer is made of oleophylic and hydrophobic core-shell structure fibers, and emulsified oil is promoted to polymerize and break emulsion through surface energy difference; and the inclined plate sedimentation device adopts an inclined tube labyrinth surrounding structure, performs deep sedimentation by utilizing a laminar flow principle, and further removes oil drops formed after coalescence.

Systems and methods for crude oil desalting technology are provided. More specifically, systems and methods for the usage of waste heat from compression to treat high salinity water are provided. The systems and methods generate recycled water streams for desalter treatment. The systems and methods can treat high salinity waters from desalters and dehydrators. The high salinity streams are introduced to the compressed gas streams, where the waste heat causes the water portion of the water streams to evaporate, resulting in a fully or near-saturated gas stream and a concentrated waste water stream. The saturated gas streams are cooled and condensed, and low TDS water is separated from the gas stream in knockout drums. The low TDS water can be reintroduced to the desalting system as wash water, generating a circular water reuse.

The invention discloses an environment-friendly multi-purification device and method for sewage treatment, and relates to the technical field of sewage multi-stage treatment. Comprising a multi-stage filtering device, a permeation filtering piece is installed on the multi-stage filtering device, and a floating oil absorption piece is installed on the permeation filtering piece; the floating oil absorption piece is used for prolonging the service life of the permeation filtering piece; a pretreatment piece is mounted on the multi-stage filtering device; a sampling and mixing part is mounted in the pretreatment part; a sampling control piece is mounted on the pretreatment piece; the pretreatment part is adopted to facilitate pretreatment mixing work of sewage, the sampling control part can be used for automatically controlling accelerated mixing of water stored in the pretreatment part when a worker needs to sample, and the situation that sample sewage is not accurate enough when the sampling position is single can be avoided; the problems that an existing multi-purification device for sewage treatment is not convenient for floating oil removal and is not convenient for premixing and sampling when sewage enters are solved.

The invention discloses an oil sludge slurry wastewater multi-stage treatment device and method, and relates to the related technical field of sludge and sewage treatment.The oil sludge slurry wastewater multi-stage treatment device comprises a solid-liquid separation box and a drying box, a solid-liquid separation mechanism is installed in the solid-liquid separation box, a drying mechanism is installed on the drying box, and the solid-liquid separation mechanism is connected with the drying box. A top plate is fixed to the drying box, a compaction box is fixed to the top plate, the compaction box is conical, the compaction box communicates with the drying box through an extrusion groove, an extrusion mechanism is installed in the compaction box, and the solid-liquid separation box is connected with the compaction box through a conveying assembly; the constant screw pitch part and the decreasing screw pitch part of the spiral conveying blade are alternately matched, and the sludge is gradually dewatered from bottom to top by combining the containing effect of the pressing groove on the thin sludge and the accurate control of the material fixing baffle on the sludge amount; and the conical structure of the subsequent compaction box and the pressing block perform reciprocating extrusion to further extrude residual water, so that the water content of the sludge is greatly reduced.

The invention discloses a gradient frame membrane and separation application thereof. An integrated gradient membrane material is constructed in a mode of functional group sharing, metal node sharing or skeleton interpenetration, and target molecule recognition sites are designed by utilizing the advantage that a framework material is easy to modify, so that the separation performance is remarkably improved. The gradient film structure comprises a metal organic-metal organic framework gradient film, a metal organic-covalent organic framework gradient film and a covalent organic-metal organic framework gradient film. The invention introduces a new structure of a metal organic framework-covalent organic framework gradient film and a construction strategy thereof in detail. The preparation method comprises the steps of preparing a bottom layer film structure from bottom to top, then preparing a top layer film structure on the bottom layer film structure, performing post-modification and the like. By designing a specific asymmetric porous structure and adsorption sites, the membrane shows excellent ethylene / ethane, propylene / propane, ion screening and organic matter dehydration separation performance under the dual action of adsorption selection and shape-selective screening.

The invention discloses a cleaning system. The cleaning system comprises cleaning equipment and a base station; the cleaning equipment comprises an equipment body, a first filtering assembly, a first connector and a second connector. The first connector is used for enabling water flowing through the first filtering assembly to flow out of the first containing space in the cleaning process; the second interface is used for allowing water flow to enter the first filtering assembly in the cleaning process; water flow in a first flow direction generated in the cleaning process sequentially flows through the first opening, the first filtering assembly and the first connector; the base station comprises a base station body and a third interface, and the third interface is suitable for being butted with the first opening or the second interface; water flow in the second flow direction generated in the self-cleaning process sequentially flows through the first connector, the first filtering assembly, the first opening and the third connector; the cleaning system further comprises a power assembly, and in the self-cleaning process, the first connector communicates with a water source so as to provide water flow in the second flow direction. According to the cleaning system, the first filtering assembly does not need to be manually washed and cleaned, and the use convenience of a user is improved.

The invention relates to the technical field of air flotation oil removal, and discloses a rotational flow air flotation oil removal device and an oil-water separation process. The rotational flow air flotation oil removal device comprises a tank body; the cyclone assembly is arranged in the tank body and comprises a cylinder body fixedly mounted in the tank body; the gas distribution assembly is coaxially arranged at the bottom of the mixing cavity; the gas distribution assembly comprises a gas distribution disc rotationally arranged at the bottom of the mixing cavity, a gas inlet pipe connected with the center of the bottom of the gas distribution disc in a penetrating mode, a plurality of sets of cylindrical gas holes formed in the radial direction of the gas distribution disc in an array mode, a plurality of sets of spiral cover plates covering the gas distribution disc and conical gas holes formed in the spiral cover plates and corresponding to the cylindrical gas holes. According to the rotational flow air flotation oil removal device, the air distribution disc is driven to rotate intermittently, so that the cylindrical air holes correspond to the conical air holes of the spiral cover plate alternately, tiny bubbles and large bubbles matched with oil drops with different particle sizes are generated, and effective capture of tiny oil drops and rapid separation of medium and large oil drops are achieved.

The invention belongs to the technical field of recycling of oily wastewater in water treatment, and provides a high-oil-content emulsified wastewater treatment process based on electrochemistry. Oil-containing wastewater enters the pretreatment unit, oil slick and suspended substances in water are removed through the pretreatment processes of filtration, air floatation, pH adjustment and the like, and the pH is adjusted to a proper range; the reacted oily wastewater enters an electrochemical device, and proper voltage is applied to an electrode, so that emulsified oil in the water is destabilized, and the purpose of demulsification is achieved; the oily wastewater enters an oil-water separation device, demulsified oil drops are coalesced, grow and float upwards, and recoverable oil is obtained on the upper layer of the device; after long-time operation, the water enters the regeneration unit, so that the electrochemical demulsification unit recovers good demulsification and oil removal effects. According to the invention, the treatment of various high-oil-content emulsified wastewater and the recovery of oil can be realized by regulating and controlling the voltage, and the method is suitable for electro-desalting wastewater, machining wastewater, cold rolling wastewater and the like.

The invention discloses a post-electroplating wastewater treatment system and treatment method with graded recovery, and relates to the technical field of electroplating wastewater treatment.The post-electroplating wastewater treatment system comprises a recovery cylinder, a primary separation unit, a chemical adding unit, a final-stage separation unit and a driving unit, and the recovery cylinder is used for mounting and fixing the primary separation unit, the chemical adding unit, the final-stage separation unit and the driving unit; the primary separation unit is used for separating greasy dirt and precipitated impurities, the chemical adding unit is used for separating suspended solids, the final-stage separation unit is used for separating organic matters and cleaning the inner wall, and when sewage enters the recycling barrel, the driving unit is used for controlling the primary separation unit to separate and recycle the greasy dirt and the precipitated impurities, and the chemical adding unit is used for recycling the suspended solids; organic matter separation and inner wall cleaning are carried out through the final-stage separation unit, and the influence on the separation and recovery efficiency is avoided.

According to the organic wastewater energy-saving treatment system provided by the invention, organic matters in organic wastewater can be greatly reduced through oil separation treatment of the reservoir and filtration and coalescence separation treatment of the filtration coalescence device, so that the purpose of recovering the organic matters is achieved; through multi-effect evaporation of the I-effect falling film evaporator, the II-effect falling film evaporator and the forced circulation evaporator, generated steam is recycled through the MVR compressor, cyclic utilization of secondary steam energy is achieved, and energy consumption is reduced; and the wastewater can be recycled through a multi-effect evaporation and resin adsorption treatment mode, and the recovery rate reaches 96%. The steam consumption for wastewater treatment can be reduced by 0.90 t / m < 3 >.

The invention belongs to the technical field of civil engineering technical construction, and particularly relates to a quantitative prediction method for engineering slurry and muck recycling output, which comprises the following steps: S1, synchronizing a construction scene in real time through BIM / GIS and Internet of Things data, and generating a virtual mirror image of a slurry / muck generation process; s2, correcting a theoretical model error according to real-time monitoring data; s3, predicting the mud / muck yield and the resource rate by adopting a time sequence analysis method and combining with a machine learning algorithm, and quantifying uncertainty; s4, dynamically optimizing model parameters through error feedback, and realizing a prediction-monitoring-correction closed loop; through cooperation of the structures, exclusive correction rules are formulated for different construction types, theoretical model errors can be corrected in time according to stratum changes and construction disturbance, and the adaptability of the model under different working conditions and the reliability of prediction results are improved.

The application discloses a preparation method of a hydrophilic oil-water separation anti-pollution membrane and the anti-pollution membrane and application thereof, and prepares MNRs material; the MNRs material is dispersed in dimethylacetamide, is uniformly stirred, polyvinylpyrrolidone is added, and stirring is continued, and a first mixture is obtained through ultrasonic treatment; the first mixture is mixed with polyvinylidene fluoride to obtain a second mixture, and the second mixture is stirred; the treated second mixture is dip-coated on a carrier, the dip-coated carrier is treated in deionized water to obtain an ultrafiltration membrane; the ultrafiltration membrane is soaked in a tea polyphenol solution with a Tris-HCl buffer solution, and is shaken to obtain the hydrophilic oil-water separation anti-pollution membrane. The hydrophilic oil-water separation anti-pollution membrane has excellent separation efficiency and flux recovery rate for four different oil-water mixtures of kerosene, gasoline, edible oil and n-hexane. The preparation process of the oil-water separation membrane is simple, the cost is low, and the reaction condition is mild; when the oil-water separation membrane is applied to organic wastewater separation, the oil-water separation membrane has the advantages of high efficiency, good removal performance and good recycling performance.

The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage settling pond which comprises a pond body, electric control telescopic rods are fixed to the two sides of the pond body correspondingly, a mounting frame is fixed to output shafts of the electric control telescopic rods, electric sliding rails are mounted on the front side and the rear side of the mounting frame correspondingly, and sliding seats are slidably arranged in the two electric sliding rails correspondingly; strip-shaped shells are fixed to the lower sides of the two sliding seats correspondingly, circular shells are rotationally mounted on the inner sides of the lower ends of the two strip-shaped shells correspondingly, a plurality of fishing plates are arranged between the two circular shells, and rotating assemblies are arranged between the circular shells and the mounting frame. Through the synergistic effect of the electric control telescopic rod and the electric sliding rail, automatic lifting and horizontal movement of the salvage plate are achieved, dross on the surface of sewage can be continuously and comprehensively cleaned away, the dross cannot fall back into the sewage again after being salvaged through the design of the arc-shaped collecting shell, and through the combination of the gear, the rack and the push rod, the dross can be effectively removed. And automatic overturning and dumping of the arc-shaped collecting shell are achieved, and the automation degree is further improved.

The invention discloses an explosive production wastewater pretreatment device and relates to the technical field of wastewater treatment.The explosive production wastewater pretreatment device comprises a flotation tank and a control device, a partition plate is arranged in the flotation tank and divides the interior of the flotation tank into a reaction area and a flotation area, a partition block is arranged in the flotation tank, and the partition block and the inner surface of the side, away from the partition plate, of the flotation tank form a slag receiving area; the conveying mechanism is used for conveying wastewater and additives to the reaction area; the exhaust mechanism is used for discharging small bubbles into the flotation area; the scum scraping mechanism is used for discharging floating scum floating from the flotation area to the scum receiving area; and the cleaning mechanism is used for cleaning the scum attached to the scum scraping mechanism. Through the arrangement of the cleaning mechanism, after the scum scraping mechanism scrapes scum of the flotation area to the scum receiving area, the cleaning plate in the cleaning mechanism can automatically clean scum attached to the surface of the scum scraping soft plate in the scum scraping mechanism, and the scum attached to the surface of the scum scraping soft plate is prevented from entering the flotation area again; and the wastewater treatment effect of the device is improved.

The invention belongs to the technical field of emergency water treatment, and particularly relates to an oily sewage treatment system based on intelligent regulation and control and an operation method. The system comprises an intelligent regulation and control server, a preprocessing unit, a separation unit, an online detection unit and a regulation and control unit, the intelligent regulation and control server is internally provided with a pretreatment module, a separation module, an online detection module, a data analysis module and a real-time regulation and control module, and the separation module provides a T-shaped pipe and air floatation pipe technology and is used for separating floating oil and emulsified oil. The intelligent regulation and control server is connected with all the units, before operation, calculation formulas of floating oil separation efficiency and emulsified oil separation efficiency are input into the intelligent regulation and control server in advance, and initial values of all parameters are set; during operation, data are transmitted in real time so as to calculate the floating oil separation efficiency and the emulsified oil separation efficiency, the data are stored, and parameters are adjusted in real time according to the optimal separation efficiency. According to different working conditions, automatic adjustment can be achieved, intelligent regulation and control are achieved, and the application range is wider.

The application belongs to the technical field of membrane separation materials, and discloses an ultrahydrophilic oil-water separation membrane, a preparation method and application thereof, and comprises the following steps: 2-(2-bromoisobutyryloxy)ethyl methacrylate monomers are prepared from 2-hydroxyethyl methacrylate and 2-bromoisobutyryl bromide, and a polymer with an atom transfer radical polymerization initiator is prepared through a free radical polymerization reaction; the polymer with the atom transfer radical polymerization initiator and polyacrylonitrile are dissolved into a solvent, and a PAN / P(AN-g-BIEM) blended membrane is prepared through a non-solvent induced phase separation method; and a hydrophilic polymer brush is grafted to the surface of the PAN / P(AN-g-BIEM) blended membrane to obtain the ultrahydrophilic oil-water separation membrane; the ultrahydrophilic oil-water separation membrane prepared by the application has a high separation flux, excellent oil-water separation efficiency and separation performance for different oil-in-water emulsions.

The invention relates to a recyclable easily-degradable macromolecular surfactant for cleaning oily sludge and application of the recyclable easily-degradable macromolecular surfactant. The macromolecular surfactant is prepared by taking acrylamide, methacrylic acid long-chain alkyl ester and tertiary amino substituted methacrylate as raw materials through free radical polymerization. The macromolecular surfactant is dissolved in water to prepare a cleaning solution, and oily sludge can be efficiently eluted. CO2 and N2 are sequentially introduced into the oil-containing emulsion after the oil-containing sludge is cleaned, or diluted hydrochloric acid and a diluted alkali aqueous solution are sequentially added, the hydrophilic-hydrophobic property of the macromolecular surfactant is changed through pH regulation and control, separation of the macromolecular surfactant and an oil phase is achieved, petroleum resources are recycled, and recycling of the cleaning solution containing the macromolecular surfactant is achieved. The residual macromolecular surfactant in the cleaned deoiled sludge can be degraded under the action of environmental microorganisms.

The utility model discloses an oil-gas separation device, relates to the field of oil and gas wells, and realizes efficient separation of oil, gas and water in a mixture through the synergistic effect of a separation tank and a purification bin in combination with rotational flow sedimentation, aeration purification and automatic control. After the mixture enters the separation tank, heavy impurities are settled and discharged under the action of rotational flow, and meanwhile, primary aeration of the oil liquid is completed when gas floats in the water body, so that light impurities in the oil liquid form foams and preferentially enter the purification bin. In the purification bin, the oil liquid is subjected to secondary aeration, the impurities are further removed to form foamy substances, the foamy substances are discharged through a sewage draining exit, and finally sufficient separation and removal of the impurities are achieved. According to the scheme, the treatment process of oil-gas-water three-phase separation is simplified, the separation efficiency and the oil-gas drying effect are improved, the manual operation requirement is reduced, the environmental pollution risk is reduced, the device is particularly suitable for primary treatment of wellhead collection in the field of petroleum and natural gas, and high-quality raw materials are provided for subsequent refining and conveying.

The invention relates to the field of plasma separation and detection, in particular to a composition for separating plasma and a using method thereof. The composition comprises: a phase change component, which is selected from n-alkanes, which are selected from at least one of n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane, n-heneicosane or n-docosane; a liquid phase carrier component, wherein the liquid phase carrier component is selected from silicone oil; the structural framework and rheology regulation and control component comprises fumed silica, and the structural framework and rheology regulation and control component comprises fumed silica; the dispersion and stabilization auxiliary agent component is selected from at least one of TiO2 and BaSO4, the density adjusting filler component is selected from at least one of TiO2 and BaSO4, and the dispersion and stabilization auxiliary agent component comprises a silane coupling agent. According to the device, plasma and blood cells can be reliably, rapidly and effectively separated only through one-time low-temperature centrifugation, and remixing caused by transportation jolting can be avoided.

The invention belongs to the technical field of silicon dioxide, and discloses a preparation method and application of hydrophobic silicon dioxide, and the method comprises the following steps: pretreating raw materials, selecting silica gel, and carrying out vacuum activation on the silica gel at 150 DEG C for 3 hours; preparing a mixed solvent; preparing a composite silane modifier; in the first stage, the pretreated silica gel is dispersed in a mixed solvent system, a composite silane modifier is slowly dropwise added, and a reaction is performed for 8 hours at the temperature of 50 DEG C; in the second stage, adding triethylamine as a catalyst, heating to 65 DEG C, and continuously reacting for 10 hours; gradient drying; treating with a composite cleaning agent; carrying out post-treatment and modification, and carrying out surface hole sealing treatment; and sealing and packaging in a nitrogen environment. Through a controllable slow-release adsorption technology and multistage surface modification, slow adsorption of water is realized, adsorption heat is effectively reduced, and the service life of silica gel is prolonged; while the high adsorption capacity is maintained, the adsorption rate and adsorption heat are remarkably reduced, and the problem of structural damage caused by adsorption heat of traditional silica gel is effectively solved.

The utility model relates to a steam stripping oxidation tank suitable for removing organic matters in high-salt organic wastewater, and belongs to the technical field of environmental protection equipment. A steam stripping oxidation tank body is composed of a cylinder body, an upper sealing head and a lower sealing head, the interior of the upper sealing head is a steam stripping area after demisting and defoaming, the interior of the cylinder body is a steam stripping, adsorption and oxidation reaction area, organic matter removal of high-salinity organic wastewater is achieved in the area, and the interior of the lower sealing head is a temporary storage area of the high-salinity wastewater after organic matter removal. The device disclosed by the utility model is simple in structure, is integrally of a detachable structure, is convenient to inspect and maintain, and realizes high-efficiency removal of organic pollutants in high-salt organic wastewater by an integrated process of oxidation, adsorption and steam stripping technologies.

The invention relates to the technical field of sewage treatment, in particular to a wastewater solid-liquid separation structure and a separation method thereof. The processing device comprises a sewage tank and a liquid supply device, the interior of the sewage tank is divided into a liquid supply bin, a heating bin, a separation bin and a standing bin by an inner partition plate and an outer partition plate which are arranged in the sewage tank, and a liquid collection mechanism is arranged at the top of the heating bin and comprises a gas transmission part and a temperature sensing part. Cool air conveyed in a cooling capacity box is used for achieving separation of solidified grease and sewage, a boundary plate is promoted to guide grease discharged by a heating bin into a discharging channel, the moving path of the grease is changed, meanwhile, the cold air provides cooling capacity for hot air in a liquid storage box, and a memory spring is forced by condensed liquid to push a push plate to move; and the push plate pushes the solidified grease to the far end to isolate the solidified grease and receive the grease from the discharging channel, so that the solidified grease is prevented from hindering newly injected grease, and the grease treatment efficiency is improved.

The invention discloses a preparation method of a photo-thermal super-hydrophobic material and a continuous recovery device and method for high-viscosity spilled oil on a water surface, and belongs to the technical field of spilled oil adsorption. The preparation method of the photo-thermal super-hydrophobic material comprises the following steps: selecting a waste textile fabric with compression-recovery performance as a raw material, firstly putting the waste textile fabric in an ethanol solution for ultrasonic treatment, then soaking the waste textile fabric in an aqueous solution containing Tris-HCl and dopamine hydrochloride, and oscillating at a constant temperature; the preparation method comprises the following steps of: soaking in a pyrrole aqueous solution, adding anhydrous FeCl3, oscillating at room temperature, and soaking in an aqueous solution containing Tris-HCl, dopamine hydrochloride and polyethyleneimine after pyrrole is completely polymerized; and finally, soaking in an ethyl acetate solution containing polydimethylsiloxane and a curing agent, and heating and curing after soaking to obtain the photo-thermal super-hydrophobic material. The material not only realizes efficient cyclic utilization of textile wastes, but also has excellent photo-thermal performance and compressible recovery performance under a high-viscosity-wet condition.

The invention discloses an offshore short-process water treatment and water injection process package based on an efficient coalescence produced water oil removal technology. The short-flow water treatment and water injection process package is structurally characterized in that an inlet of a production water basket filter is connected with a water outlet of an upstream production separator, an outlet of the production water basket filter is connected with an inlet of a production water efficient coalescence separator, and a water outlet of the production water basket filter is connected with an inlet of a water injection filter and an inlet of a water injection buffer tank; the water outlet is connected to a water injection manifold through a water injection booster pump front filter, a water injection booster pump and a water injection pump in sequence; and the other water outlet of the water injection buffer tank is respectively connected to backwashing water inlets of the production water efficient coalescence separator and the water injection filter through a backwashing water pump front filter and a backwashing water pump in sequence. Production water can be treated into qualified injection water through a short process, oil and suspended solids in water of an offshore platform are efficiently removed, and the device has the advantages of being small in occupied area and light in weight and is suitable for being applied to the sea.

The invention discloses a water pollution treatment device and method for a water supply pump station, and the device comprises an oil scraping plate which is arranged below an oil skimming rod, keeps synchronous rotation with the oil skimming rod, and is used for pushing scum and sump oil on the surface of sewage in a sedimentation tank; the oil skimming part is arranged in the sedimentation tank, rubs the oil scraping plate in the rotating state and is used for collecting scum and dirty oil on the surface of the sewage and discharging the scum and the dirty oil out of the sedimentation tank; the vibration assembly is arranged in the oil scraping plate and is used for driving a plurality of vibration rods to vibrate so as to crush and gather emulsified oil particles in the sewage; the gathering assembly is arranged above the oil scraping plate and is used for generating air flow, blowing the surface of the sewage by utilizing wind power, and driving the scum and the sump oil to gather towards the center direction of the oil scraping plate. According to the invention, the technology spanning from only oil slick treatment to emulsified oil treatment is realized, the oil content in the effluent is obviously reduced, and the efficiency of the subsequent treatment unit and the final water supply quality are improved.

The utility model discloses an emergency accident pool integrated with an oil separation function, which comprises an emergency accident pool body, a water inlet pipe is arranged on the side wall of one side of the emergency accident pool body along the length direction, an emptying pipe is arranged on the side wall of the other side of the emergency accident pool body, and the emptying pipe is communicated with the outlet end of a delivery pump arranged in the emergency accident pool body; a flow guide wall is arranged in the emergency accident pool body in the width direction, the flow guide wall is arranged on one side close to the emptying pipe, and the emergency accident pool body is divided into a separation area and a lifting area by the flow guide wall; a rectification hole is formed in the lower part of the flow guide wall; the separation area is communicated with the lifting area through the rectification hole; the delivery pump is arranged in the lifting area, and the water inlet pipe is positioned on the side wall of the separation area. The emergency accident pool integrated with the oil separation function solves the technical problem that oil pollutants in accident water cannot be effectively separated in the prior art.

The invention relates to the field of oil-water separators, and discloses an oil-containing waste liquid treatment device for aramid fiber production, the oil-containing waste liquid treatment device comprises a mounting box, a waste oil pool is arranged at the lower end of the mounting box, a steel belt is arranged on one side of the mounting box, and an oil removal assembly is arranged in front of the waste oil pool; the oil removal assembly mainly comprises first scrapers, sliding rods, a rotating roller, a water supply pipe and a nozzle, the first scrapers are arranged on the two sides of the steel belt, and the sliding rods are arranged on the two sides of the lower end of each first scraper. The cleaning effect can be enhanced, waste oil is prevented from flowing back to a waste liquid pool, oil blocks are prevented from entering a driving roller to interfere with running of a steel belt, fine oil blocks can be reduced, and the waste oil falling probability is further reduced; in addition, clear water is dripped on the surface of the steel strip to form thin ice, so that the steel strip can be quickly cooled by utilizing large specific heat capacity of water, and can be kept warm and slow down in temperature rise when the steel strip moves downwards.

The invention relates to the technical field of water treatment equipment, and particularly discloses a water conservancy project water surface cleaning device, which comprises a cleaning ship, a pool body, an aeration pipeline, an aeration device and a dosing device, the dosing device comprises a tank body, the tank body is provided with a working chamber, and an extrusion plate is assembled in the working chamber in an up-and-down moving manner; the extrusion plate divides the working chamber into a liquid storage space and an adjusting space, a breather pipe is arranged at the lower end of the tank body, and an adjusting valve is installed on the breather pipe; the pesticide pumping device is mounted on the tank body and is communicated with the liquid storage space; the multiple rotating wheels are installed on the outer wall of the tank body in the circumferential direction of the tank body in a rotating mode, nozzles are formed in the peripheral sides of the rotating wheels, torsional springs are arranged between the rotating wheels and the tank body, and lower shifting rods are arranged on the rotating wheels; and the upper pushing piece is connected with the extrusion plate, and the upper pushing piece is provided with a plurality of upper pushing parts which are distributed up and down. According to the water surface cleaning device for the water conservancy project, liquid medicine can be quickly and uniformly distributed to all positions of the pool body, and the treatment effect is remarkably improved.

The preparation method comprises the following steps: firstly, dispersing hydroxylated carbon nanotubes in water, carrying out ultrasonic treatment to form a uniform dispersion liquid, and then uniformly mixing the uniform dispersion liquid with a bacterial cellulose dispersion liquid, so as to obtain the carbon nanotube-based aerogel with the photo-thermal electric heating effect. Adding methyltrimethoxysilane sol which is hydrolyzed in advance, stirring to form a precursor system, and then performing directional freezing, freeze drying and heat treatment to obtain the carbon nanotube-based aerogel with the photo-thermoelectric heating effect. The carbon nanotube-based aerogel has the super-hydrophobic characteristic, the surface water contact angle is 161 DEG C, the surface temperature is rapidly increased to 126.7 DEG C under applied voltage, photo-thermal response is rapidly generated under simulated sunlight irradiation, the surface temperature is rapidly increased to 117.7 DEG C, and the carbon nanotube-based aerogel is suitable for rapid adsorption and separation of high-viscosity crude oil, has excellent chemical stability and mechanical stability, and can be used in the field of adsorption and separation of high-viscosity crude oil. And after the surface is broken, excellent super-hydrophobic performance and efficient photo-thermal-electric-thermal response capability are still kept.