401 results about "Emulsified oil" patented technology

The invention relates to the technical field of sewage treatment, and discloses an advanced treatment method and device for ship oily wastewater, and the method comprises the following steps: carrying out preliminary filtration on the ship oily wastewater to remove suspended solids and particulate matters so as to obtain first oily wastewater; the first oily wastewater is subjected to coalescence separation treatment, floating oil, dispersed oil and a small part of emulsified oil in the wastewater are removed, the oil content in the wastewater is reduced to 500 ppm or below, and second oily wastewater is obtained; the second oily wastewater is subjected to cross-flow ultrafiltration deep treatment, emulsified oil and dissolved oil are intercepted, produced water and concentrated water are obtained, and the concentrated water serves as third oily wastewater; the third oil-containing wastewater flows back to the first oil-containing wastewater, and discharged water is obtained after the produced water is detected to be qualified. The invention provides a primary filtration, coalescence separation and ultrafiltration three-stage circulating filtration method, emulsified oil and dissolved oil can be efficiently separated and removed, oil resource recovery is realized, and membrane pollution is reduced.

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.

The invention relates to the technical field of feed proportioning devices, in particular to a feed proportioning process for grilling type meat duck breeding, a stirring barrel comprises a filter screen, an emulsifying cavity, a spray head and the like, grease and water are fully emulsified through a first stirring shaft in the emulsifying cavity, and uniform oil liquid is formed; and the emulsified oil liquid is uniformly sprayed to the surfaces of the large-particle raw materials through a plurality of spray heads, so that the grease is prevented from being absorbed and clustered by the powdery materials, the mixing effect of the grease and the feed is ensured to be more uniform, and the quality and digestion and absorption effects of the feed are improved. Large-particle materials and small-particle materials are reasonably separated by matching with the arrangement of a filter screen, so that the two materials can be respectively treated in the premixing cavity and the stirring cavity in the stirring barrel.

The invention discloses a surface treatment process of a hydraulic rod and a coating monitoring system, relates to the technical field of electroplating, and aims to solve the problems that various complementary sensing technologies cannot be integrated, information such as thickness, uniformity and microstructure cannot be synchronously acquired in a lossless, in-situ and real-time manner, and closed-loop control cannot be formed based on the information in the background technology. According to the scheme, the method comprises the steps that PR electrolytic degreasing is conducted, a workpiece serves as an anode, an oil film is torn through the oxygen evolution effect, an extremely-thin oxidation film possibly existing on the surface of the workpiece is dissolved, base metal is completely activated, and an optimal combination basis is provided for a follow-up coating; and washing with hot water, namely removing residual alkaline degreasing fluid and emulsified oil stains by using hot water with the temperature higher than 60 DEG C in a stirring and spraying manner. According to the method, multi-dimensional information such as the thickness, the uniformity and the microstructure can be synchronously obtained in a lossless, in-situ and real-time mode in the surface treatment process, closed-loop control is formed based on the information, and it is ensured that plating growth is always located on the optimal track.

The invention belongs to the technical field of electroplating wastewater treatment, and particularly relates to a treatment process of emulsified oil wastewater for oil removal before plating of electronic products. A chemical demulsification and membrane separation technology is adopted to carry out demulsification separation on the emulsified oil wastewater, demulsifier molecules adsorb oil drops, a separation interface is promoted to be broken, and finally flocculation is carried out to form clusters, so that the demulsification effect is achieved, a clarified water sample can be obtained, and the ion content is reduced; the demulsified and separated wastewater is flocculated by adopting PAC + PAM, and the sedimentation of organic matters and metal ions in the wastewater is promoted by virtue of the properties of charge neutralization and colloid adsorption, so that the flocculation effect is achieved, a water sample is clear and transparent, the metal ions and COD (Chemical Oxygen Demand) values are reduced after flocculation separation, COD and heavy metal ions are removed, and the aim of treating the emulsified oil wastewater is fulfilled.

The invention belongs to the technical field of emulsified oil recovery, and particularly relates to a method for recovering emulsified oil generated by preparing an alumina carrier through an oil column forming process. The emulsified oil recovery method comprises the following steps: adding ammonia water into emulsified oil, stirring, preserving heat, centrifuging, collecting upper-layer floating oil A, and removing bottom-layer water and impurities to obtain a first-stage emulsion; adding ammonia water into the primary emulsion, heating by using a heat source until the temperature is higher than 100 DEG C, then stopping heating to obtain a demulsified primary emulsion system, carrying out centrifugal treatment, collecting upper-layer floating oil B, removing bottom-layer water and impurities, and remaining a secondary emulsion; combining the collected upper-layer floating oil A and the collected upper-layer floating oil B, distilling and removing water to obtain an oil body A; carrying out vacuum distillation on the secondary emulsion to remove water, and centrifuging to remove impurities at the bottom layer to obtain an oil body B; and finally, combining the oil body A and the oil body B to obtain recovered oil. The method does not need to add organic auxiliaries such as a demulsifier, the recovery process is simple and easy to control, the treatment temperature is low, the recovered oil quality is good, and the recovery rate is high.

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 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.

According to the water-in-oil type glossy lip cosmetic and the preparation method thereof disclosed by the invention, a water-in-oil emulsification technology can be successfully integrated into a traditional lip gloss / lip glaze system by using a high-gloss grease composition with a specific formula, an emulsification composition with a specific ratio and a film-forming composition with specific viscosity and a specific ratio, so that a synergistic interaction effect is achieved; while the high oil phase content is ensured to realize high glossiness like that of a whole oil system, the stability problem of high-content difficult-to-emulsify grease and a water phase is solved by utilizing the emulsifying composition; through synergistic film formation of the film-forming composition and the high-content phenyl silicone oil, the interference of water to the film-forming property is effectively resisted, so that the non-stick-to-cup effect is comparable and even superior to that of a whole-oil formula, meanwhile, the water-feeling moisturizing advantage of an oil-in-water system is achieved, and the obtained water-in-oil system cosmetic has excellent stability and non-stick-to-cup performance.

The invention provides a preparation method and application of a dual-cleaning polytetrafluoroethylene microporous membrane, and the preparation method comprises the following steps: 1) heating polyethyleneimine and 1, 3-propane sultone in one step to form a polyion liquid, and dissolving the polyion liquid and dopamine in a Tris aqueous alkali to obtain a buffer reaction liquid; 2) soaking a polytetrafluoroethylene microporous membrane in a buffer reaction solution, heating and reacting, and then taking out to obtain a first microporous membrane; 3) soaking the first microporous membrane in a ferric chloride hexahydrate aqueous solution for heating reaction, and then taking out the first microporous membrane to obtain a second microporous membrane; 4) soaking the second microporous membrane in a copper acetate methanol solution for heating reaction, and then taking out to obtain a third microporous membrane; 5) soaking the third microporous membrane in a methanol solution of 2, 5-dihydroxy terephthalic acid, heating and reacting, and then taking out to obtain a fourth microporous membrane; and 6) washing and drying the fourth microporous membrane to obtain the dual self-cleaning polytetrafluoroethylene microporous membrane. The dual self-cleaning polytetrafluoroethylene microporous membrane is high in separation efficiency, high in flux recovery rate and low in pollution rate in treatment of high-viscosity emulsified oil-containing wastewater.

The present invention belongs to the technical field of oils for hydraulic supports and provides a biodegradable natural plant-extracted emulsified oil for hydraulic supports and a preparation method thereof. First, through multi-step chemical modification of palm oil, including epoxidation, boronation, phosphating, and block polymerization, the epoxidation reaction introduces epoxy groups, increasing the reactivity of the oil; the boronation and phosphating reactions further enhance the polarity of the oil and its ability to form a lubricating film; and through block polymerization with caprolactone, the stability and wear resistance of the lubricating film are enhanced. Second, through carboxymethylation of chitosan, the carboxyl groups in the carboxymethyl chitosan react with oxides on the metal surface to form a chemical passivation protective film; and the sulfonic acid groups in the sodium lignosulfonate bind to the metal surface through electrostatic adsorption, further forming a protective layer. The synergistic effect of the two forms a multi-layer dense protective film on the metal surface, significantly improving the anti-corrosion performance of the emulsified oil.

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 invention discloses a machine tool cutting fluid multistage purification intelligent treatment method and system, and relates to the technical field of cutting fluid multistage purification. Five types of pollution parameters including optical ambiguity Bg, viscoelastic loss factor Bn, redox residual energy Bh, peculiar smell release frequency Bw, emulsified oil cluster density Br and the like are obtained by deploying multiple types of sensors; the system can master the pollution state of the cutting fluid in real time, and the problems that the precision is low and the misjudgment rate is high due to the fact that the pollution degree is judged only through single-point monitoring are solved. The main pollution change rate F1, the main change acceleration F2 and the chronic accumulation state indication F3 are integrated into a unified index, so that the system not only can identify the current pollution degree, but also can perceive the pollution change trend in advance, and the prospective adjustment capability of the system is remarkably improved. The system does not adopt fixed parameters to control the purification frequency any more, but automatically judges the current purification level by dynamically calculating the pollution threshold value and comparing the evolution index in real time, so that the resource utilization rate is effectively improved.

The invention provides a hollow fiber membrane based on metal polyphenol coordination, a preparation method and application of the hollow fiber membrane and a membrane module. The invention relates to a preparation method of a hollow fiber membrane based on metal polyphenol coordination, which comprises the following steps: mixing polyvinylidene fluoride, polyvinylpyrrolidone, a polyphenol ligand, a metal ion solution and an organic solvent, heating and stirring, standing and defoaming to form a membrane casting solution; spinning the membrane casting solution and entering a coagulating bath to obtain a formed hollow fiber membrane; the formed hollow fiber membrane is soaked in deionized water, then soaked in a glycerin aqueous solution and dried, and the hollow fiber membrane based on the metal polyphenol coordination effect is obtained. The preparation method of the hollow fiber membrane is simple in steps, easy to control and low in equipment requirement. The hollow fiber membrane provided by the invention has high retention rate, high flux and high permeation flux, specifically, the retention rate can reach 99.8% or above; the maximum water flux can reach 804L m <-2 > h <-1 > bar <-1 >; the permeation flux of the emulsified oil can be up to 438L m <-2 > h <-1 > bar <-1 >.

The invention discloses a water-based expansion liquid and a hydraulic expansion processing method of a metal corrugated pipe. The water-based expansion liquid comprises 8-15% of emulsified oil, 1-3% of an antirust agent, 2-4% of a viscosity modifier and the balance of a solvent, the antirust agent is prepared from comonomers through free radical copolymerization, and the comonomers comprise unsaturated carboxylic acid monomers, allyl imidazole and siloxane monomers with alkenyl in a mass ratio of (30-50): (15-45): (5-15). The water-based expansion liquid can guarantee the anti-rust performance of the metal corrugated pipe in the machining process, and the product reject ratio of a water-based hydraulic expansion process is reduced.

The present application belongs to the technical field of hydrogen engine, and particularly relates to an emulsified machine oil demulsification device and method for hydrogen engine, which can be used for solving the problem of emulsified machine oil of hydrogen engine in cold start or low temperature environment. The device comprises a vortex tube system, an emulsified machine oil heating system, an oil-gas separation system and a double-oil tank interaction system. The vortex tube system is communicated with the engine exhaust pipe to deliver exhaust heat to the emulsified machine oil heating system, and phase change material is used to realize constant temperature heating of the emulsified machine oil. Under the joint action of constant high temperature and demulsifier, efficient demulsification of the emulsified machine oil is realized. At the same time, the cold gas output by the vortex tube system is beneficial to the liquefaction and discharge of the separated water vapor. The double-oil tank interaction system can separate the emulsified machine oil and non-emulsified oil, so that the machine oil passing through the hydrogen engine oil pump is non-emulsified oil, and the normal lubrication of the hydrogen engine is ensured. The energy of the whole system comes from the engine exhaust energy, without additional energy, which conforms to the idea of energy saving and emission reduction.

The invention relates to a hydrodynamic cavitation demulsification and cyclone separation device for emulsified oil wastewater, which comprises a fixed cylinder, and a dispersion cavity, a cavitation cavity, a separation cavity and a light phase fluid cavity which are communicated in sequence are arranged in an inner cavity of the fixed cylinder; the separation cavity is provided with a heavy-phase fluid outlet, and the light-phase fluid cavity is provided with a light-phase fluid outlet; the dispersing cavity is provided with an additive inlet for adding a demulsifier; the dispersion cavity is provided with a liquid inlet, and emulsified oil wastewater flows into the dispersion cavity from the liquid inlet; the dispersion cavity is used for dispersing oil-in-water emulsion, mixing emulsified oil wastewater and a demulsifier, and enabling liquid in the dispersion cavity to form rotational flow to flow to the cavitation cavity; the cavitation cavity is used for cavitation fluid and cracking emulsified oil wastewater; under the action of rotational flow, heavy-phase water of the fluid entering the separation cavity migrates to the inner wall of the fixed cylinder and rotates to flow out of the heavy-phase fluid outlet, and light-phase oil enters the light-phase fluid cavity and flows out of the light-phase fluid outlet. The device is short in treatment time, high in treatment efficiency, simple in structure and low in operation and maintenance cost.

The present invention relates to a marine emulsified oil high-speed separation system, which comprises: a demulsification treatment region, which is used for pumping emulsified oil into a heater so as to effectively break the emulsification phenomenon of the oil; the separation and purification area is connected with the demulsification treatment area and the demulsification treatment area and is used for separating the oil demulsified in the emulsion bin after entering a separator, the centrifugal force of high-speed rotation of the separator enables the oil-water emulsion to be gradually layered, the separated clean oil is discharged into a clean oil tank, and the separated water and other impurities enter a deslagging cabinet; the impurity discharge area is connected with the demulsification treatment area and the separation and purification area, and is used for receiving water and impurities discharged by a separator in the separation and purification area and residual oil discharged by a demulsification bin in the demulsification treatment area through a slag discharge cabinet; and the electric control box is used for controlling the whole system and has an alarm protection function. The problem that an existing marine separation system cannot effectively separate emulsified oil can be solved, and the separation effect of a marine separator is effectively improved.

The invention provides a hydrogel hydrophilic modified gradient pore oil-water separation membrane as well as a preparation method and application thereof, and belongs to the technical field of separation membranes. The hydrogel hydrophilic modified gradient pore oil-water separation membrane comprises a base membrane with a porous structure and a hydrogel layer coated on a porous structure framework of the base membrane, and a gradient pore structure with a small pore diameter on one side and a large pore diameter on the other side is formed. The hydrogel hydrophilic modified gradient pore oil-water separation membrane prepared by the method has a super-hydrophilic and super-oleophobic surface and has excellent anti-fouling performance and oil interception performance, the gradually expanded pore diameter can provide large oil-water separation flux, emulsified oil with surface activity can be effectively treated, and the oil-water separation membrane has the advantages of high oil-water separation efficiency, high oil-water separation efficiency and the like. And excellent pollution resistance is maintained under different environmental conditions, and long-term stable operation is realized.

The invention relates to a sprayable hair tonic in the form of an oil-in-water emulsion with a pH value of 3.0 to 7.0 at 20 °C, containing at least one water-insoluble oil component (A), at least one non-ionic emulsifier (B), at least one non-ionic co-emulsifier (C), water, and a buffer system for stabilizing the pH value, wherein the water content equals 60 - 90 wt.%, the component (A) is provided in a quantity of 1.5 to 20 wt.%, and the components (B) and (C) are provided in a total quantity of 1 to 12 wt.%. The invention is characterized in that adenosine is provided in a quantity of 0.01 to 3 wt.%, and urea and / or a urea derivative is provided in a total quantity of 1.0 to 25 wt.%. The invention additionally relates to a method for producing sprayable aqueous preparations of adenosine, in which an aqueous solution of adenosine is mixed with a finely dispersed emulsion of an oil component (A), said oil component (A) having an average droplet diameter of less than 1 µm (measured using a device based on the semi-elastic light scattering principle (Zetasizer Nano ZS, 25 °C, square polystyrene cuvette, 12 mm edge length (model DTS0012), dilution: 0.025% w / w in water)), in such a quantity that 1.5 to 20 wt.% of the emulsified oil component (A) is contained in the preparation. While being produced or after being produced and prior to being mixed with the adenosine solution, the emulsion is brought to a phase inversion temperature, and a urea and / or a urea derivative is added to the obtained mixture at room temperature. The invention also relates to the use of a sprayable aqueous preparation containing adenosine and urea and / or a urea derivative, comprising an ethanol content of less than 18 wt.%, for cosmetically treating the skin, in particular the scalp.

The invention belongs to the technical field of functional material preparation, and particularly discloses a preparation method and application of magnetic super-hydrophobic graphene aerogel based on a biomass template. Loofah sponge fibers are used as a three-dimensional skeleton, and three-component molecular-level coupling of Fe < 3 + > / Cu < 2 + > ions, graphene oxide and a biological template is realized through a pH-regulated electrostatic co-assembly technology; performing solvothermal reaction at 180 DEG C to synchronously complete crystallization growth of hollow CuFe2O4 nanospheres and in-situ reduction of graphene, and finally performing freeze drying to obtain the super-hydrophobic aerogel with a hierarchical porous structure. The specific surface area is increased by 17.5 times compared with that of aerogel prepared by a traditional hydrothermal method; the super-hydrophobic / super-oleophylic characteristic is realized through the surface energy gradient design; an embedded superparamagnetic unit realizes external field driven recovery, and the adsorption retention rate gt is obtained after 20 times of circulation; 92%. The product can efficiently treat emulsified oil wastewater containing a surfactant, and is especially suitable for rapid treatment of metallurgical rolling waste liquid and marine oil spill accidents.

The invention relates to the technical field of washing water treatment, and discloses a gradient type oil-solid and water pure physical separation system and method for MTO washing water.The separation system comprises a liquid inlet pipe, a liquid inlet valve and a liquid inlet pump are installed on the liquid inlet pipe, and a secondary deslagging system, a secondary oil-water separation system and a buffer water storage tank are sequentially connected to the liquid inlet pipe in the liquid inlet direction; a liquid level sensor and a backwashing system are mounted on the buffer water storage tank; the backwashing system is sequentially communicated with the secondary deslagging system and the secondary oil-water separation system; a buffer flow guide mechanism is installed at the liquid inlet end of the second-stage deslagging system, and a stepped filler assembly is installed in the second-stage deslagging system. A physical gradient separation process is adopted, step-by-step accurate removal from macroscopic particles to microscopic emulsified oil and efficient recovery of oil phase components in wastewater can be realized, the turbidity and solid content indexes of effluent are remarkably improved, and long-period continuous stable operation can be realized.

The invention discloses a preparation method and application of a copper powder sintered filter with the surface grafted with antibacterial hydrogel. Firstly, dopamine is used for carrying out surface treatment on the copper powder sintered filter to form a layer of protective film, so that corrosion is prevented, and the protective film can be tightly combined with later hydrogel. The preparation method comprises the following steps: soaking a filter sheet treated by dopamine into an aqueous solution of acrylamide, water-soluble polymer, N, N-methylene bisacrylamide and ammonium persulfate, then adding a mixed aqueous solution of silver nitrate and sodium hydrogen sulfite, uniformly mixing the solution under stirring, and rapidly catalyzing ammonium persulfate by silver ions to generate free radicals to initiate polymerization of acrylamide, so as to obtain the water-soluble polymer filter sheet. Sodium hydrogen sulfite and ammonium persulfate continue to initiate polymerization of acrylamide, the copper powder sintered filter is taken out and cross-linked through calcium nitrate, and the copper powder sintered filter with the antibacterial hydrogel grafted on the surface is obtained and applied to removal of emulsified oil and algae. Part of silver ions in the hydrogel react with copper to obtain nano-silver, and the hydrogel is endowed with good antibacterial performance.

The invention belongs to the technical field of wastewater treatment, and particularly relates to an electroplating pretreatment wastewater treatment process which comprises the following steps: step 1, storing floating oil in an oil collection area by using an oil removal tank, and continuously increasing the content of the floating oil on the liquid level of the oil collection area; 2, unemulsified floating oil in the oil collecting area is extracted; 3, pumping out the wastewater containing emulsified oil in the oil removal tank, and carrying out demulsification treatment; step 4, adding a pH regulator into the demulsified wastewater to reduce the pH value of the wastewater to 6-8; 5, stirring and separating after adding a flocculating agent to obtain a treating fluid; and step 6, filtering the treatment liquid to obtain standard water, collecting unemulsified floating oil, and demulsifying the waste liquid containing emulsified oil to reduce the use amount of a demulsifier and a flocculant.

The invention relates to the technical field of industrial wastewater treatment, and discloses a treatment method for grinding fluid wastewater of a grinder, which comprises the following steps: pretreatment and demulsification, multi-stage chemical purification, biochemical deep treatment, deep purification and recycling, and sludge treatment. A specific supported heterogeneous catalyst is adopted in the multi-stage chemical purification step, nano zero-valent iron and copper oxide composite active components constructed on the surface of the catalyst can enhance the generation efficiency and stability of free radicals in the advanced oxidation process, and a composite coagulant with an optimized ratio in the coagulating sedimentation step is cooperated, so that the purification efficiency of the high-grade oxidation process is improved. An efficient continuous removal system for heavy metal ions and refractory organic pollutants is formed; meanwhile, in the pretreatment step, the demulsifier is composed of specific components, through the synergistic effect of all the components, rapid demulsification of the emulsified oil phase in the grinding fluid wastewater is achieved, favorable conditions are created for subsequent deep treatment, and therefore the purification efficiency and operation stability of the technology are overall improved.

The invention relates to the technical field of hydraulic transmission media, and discloses a formula and a preparation method of an emulsified oil concentrated solution for a multifunctional hydraulic support. Hexadecanedioic acid and N-(4-methoxyphenyl) ethylenediamine are used as raw materials, 2-bromoethane sodium sulfonate is used as a quaternization reagent, hydroxyl in the structure of the quaternization reagent and epoxy groups of epoxidized soybean oil are utilized to generate chemical bonding, and the emulsified oil concentrated solution for the multifunctional hydraulic support is prepared. The emulsified oil is compounded with organic alcohol amine, fatty acid and the like to obtain a formula of the emulsified oil concentrated solution for the multifunctional hydraulic support, which is good in dispersing performance, high in corrosion inhibition capability and high in extrusion wear resistance; the vegetable oil-based hard water-resistant corrosion inhibitor contains bicyclic imidazoline and quaternary ammonium salt structures, so that a compact physical and chemical adsorption film can be formed on the surface of metal; a sodium sulfonate group can be complexed with ions such as calcium and magnesium in hard water, so that the stability in the hard water is enhanced, and the hard water resistance is improved; the concentrated solution prepared by the invention is non-toxic and environment-friendly, and can meet the use of the hydraulic support under harsh working conditions.

The invention relates to the technical field of petrochemical wastewater separation and purification, in particular to a rotational flow coupling coalescence oil-solid synergistic separation device and method. The invention provides a rotational flow coupling coalescence oil-solid synergistic separation device. The rotational flow coupling coalescence oil-solid synergistic separation device is provided with a rotational flow separation structure, an oil-water coalescence structure and a backwashing structure. According to the cyclone separator, the particles are distributed in the radial direction along the rotating direction through the volute flow channel, and the retention time of fluid is optimized through a spiral jacket structure in the cyclone separation structure, so that the cyclone separation effect of solid-phase pollutants is enhanced. In an oil-water coalescence structure, demulsification, adhesion, coalescence and migration of emulsified oil drops are enhanced through a fiber unit with oleophobic and oleophobic properties. The device has the advantages of stable anti-pollution and anti-blocking performance, high oil-solid separation efficiency, low maintenance cost and small occupied area in long-period operation.

The invention relates to the field of wastewater treatment, in particular to a down feather processing wastewater treatment device which comprises a primary filtering unit, a gas-water mixing unit arranged on the primary filtering unit, a solid-liquid separation unit arranged on the gas-water mixing unit and a filtering and recycling unit arranged on the solid-liquid separation unit. The gas-water mixing unit comprises a mixing tank arranged on the primary filtering unit, a gas-dissolved water conveying assembly arranged on the mixing tank and a micronization mixing assembly arranged on the mixing tank, and a large number of tiny bubbles are generated through the gas-dissolved water conveying assembly and the micronization mixing assembly and are mixed with wastewater entering the mixing tank, so that the wastewater enters the primary filtering unit; bubbles are added into the wastewater, so that pollutants such as emulsified oil and tiny suspended particles in the wastewater are adhered to the bubbles and float to the water surface along with the bubbles, and floating foams or scum are cleaned and collected into a waste collecting tank through cooperation of a second separating tank and a scraping piece, so that the content of particulate matters in the wastewater is greatly reduced, and the filtering effect is improved.

The invention discloses an oil field oil-containing wastewater treatment process, and relates to the technical field of oil field oil-containing wastewater treatment, and the oil field oil-containing wastewater treatment process comprises the following steps: obtaining water quality parameters of oil field oil-containing wastewater, and determining the adding types and dosages of an oil removing agent and a silicon removing agent according to the water quality parameters; introducing the oil-containing wastewater of the oil field, the determined oil removing agent and the determined silicon removing agent into a micro-scale enhanced reactor, and carrying out a mixed reaction to obtain a demulsified and flocculated primary treatment solution; the primary treatment liquid is guided into a micro-nano bubble generation device, micro-nano bubbles are generated and make full contact with the primary treatment liquid, and residual emulsified oil drops are attached to the surfaces of the bubbles; the gas-liquid mixture carrying the oil drops is guided into a shallow layer inclined plate air flotation area for oil-water separation, and air flotation clear liquid is obtained; introducing the air flotation clear liquid into a self-cleaning surface filter, and carrying out deep filtration by using a gradient hydrophilic-oleophobic composite filter membrane with the pore diameter of 0.1 micron to obtain filtered produced water; and carrying out backwashing on the self-cleaning surface filter by adopting filtered produced water, and completing the deslagging operation.

The utility model provides highly emulsified oily sewage treatment equipment. The highly emulsified oily sewage treatment equipment comprises a rotational flow filtering system, a coalescence degreaser, a precision filter and a desalting system, the rotational flow filtering system comprises a rotational flow filter, a mixer, a micro-nano bubble generator, a stabilizer and a dissolved air pump; the upper part of the barrel of the cyclone filter is a cyclone oil removal area, and the lower part is a filtering area; an exhaust port is further formed in the upper part of the cylinder body; a plurality of filter elements are also arranged in the filter area and are used for filtering solid impurities; and a water outlet is further formed in the side wall of the lower end of the barrel. According to the utility model, a rotational flow filtering system is combined with a micro-nano bubble technology, and the separation and recovery efficiency of sump oil is obviously enhanced by utilizing a rotational flow air flotation effect; the dissolved gas water outlet and the dissolved gas pump circulating system effectively remove oxygen in water, and through advanced treatment units such as electrodialysis, electroadsorption or reverse osmosis, dissolved organic matters, salts and the like in water are deeply removed, so that a high-standard purification effect is achieved, and efficient cyclic utilization of water resources is realized.