29 results about "Foam separation" patented technology

A method, system, and apparatus for PFAS destruction, comprising: oxidatively pre-treating an aqueous foam separation solution containing PFAS by mixing the aqueous foam separation solution with a persulfate and an acid or base to raise or lower the pH, and then oxidizing the aqueous foam separation solution to form a pre-treatment solution; and then subjecting the pre-treatment solution to UV photodegradation, for example, by inducing UV light of 222 nm, 254 nm, and / or 185 nm into the pre-treated aqueous foam separation solution. The oxidation of the aqueous foam separation solution may include exposing the aqueous foam separation solution to elevated temperature and elevated pressure for a period of time sufficient for thermal oxidation, or subjecting the aqueous foam separation solution to ozono-oxidation.

The present invention discloses a high-gravity continuous foam separation device and method, belonging to the field of chemical separation technology. The device includes n high-gravity rotating packed beds and n+1 foam columns. When n=2, it includes first and second high-gravity rotating packed beds, and first, second, and third foam columns. The gas inlet of the first high-gravity rotating packed bed and the gas inlet of the first foam column are simultaneously connected to a gas delivery pipeline, and the foam outlet of the first foam column is connected to the liquid outlet of the first high-gravity rotating packed bed. The gas inlet of the second foam column is connected to the gas outlet of the first rotating packed bed, and the foam outlet of the second foam column is connected to the gas inlet of the second high-gravity rotating packed bed. The gas inlet of the third foam column is connected to the gas outlet of the second high-gravity rotating packed bed. The liquid inlet of the first rotating packed bed is simultaneously connected to the liquid outlet of the second rotating packed bed and a liquid delivery pipeline. The present invention achieves efficient separation of target substances and is suitable for continuous operation processes.

The invention relates to the field of sewage treatment, and discloses a process method for treating refined sugar ion exchange decoloration regeneration waste liquid. The method comprises the steps of electric flocculation foam separation pretreatment and salt-tolerant activated sludge biological treatment, and the invention also discloses a system for realizing the method, and the system comprises a raw water tank, an electric coagulation tank, a flocculation tank, an air floatation tank, a salt-tolerant microorganism biochemical treatment tank and a precipitation tank. According to the method disclosed by the invention, the high-COD, high-salt and high-chroma waste liquid generated by a sugar refining process is effectively treated, so that higher emission standards are achieved.

The utility model relates to the technical field of liquid filling, in particular to a filling needle head for sucking back foam on a liquid filling machine, which comprises a needle head body, the needle head body is arranged at the bottom of a plurality of filling branch heads, the filling branch heads are communicated with a filling tank body through hoses, a filling bottle is arranged below the needle head body, and the filling bottle is connected with the filling tank body through a hose. A detachable elastic rubber sleeve is arranged on the outer side of the needle head body in a sleeving mode, a groove is formed in the inner side wall of the elastic rubber sleeve, and the top of the groove is communicated with a negative pressure generating device, a foam recycling device used for recycling foam and an oil recycling device used for recycling edible oil through a defoaming device. According to the filling needle head for sucking back the foam on the liquid filling machine, the foam in a filling bottle can be quickly sucked back, extrusion defoaming is carried out, and oil foam separation and recovery are achieved.

The application discloses a kind of sustainable system processes for removing perfluoro or polyfluoroalkyl substance, belongs to water treatment field.The process is concentrated to foam phase by foam separation in water phase PFAS, combined with nanofiltration membrane system concentration PFAS containing solution, then carries out defluorination degradation by using hydrated electron in electrocatalytic unit;Nanofiltration water is treated by ion exchange resin, saturated resin is backwashed by mixed solution, and backwash waste liquid is regenerated and recycled by another electrocatalytic unit;Finally, harmless calcium fluoride is generated by flocculation and precipitation, and fluoride ion is removed.The process is suitable for various PFAS, can efficiently remove long-chain and short-chain PFAS, total removal rate is high, can cope with complex water quality, is suitable for drinking water, natural water body and industrial wastewater etc.Situations, and no secondary pollution, regeneration liquid can be recycled, realizes sustainable degradation.

A foam separation treatment method is provided that separates organofluorine compounds from treated water by introducing gas into the treated water containing organofluorine compounds and recovering the foam generated. A polymeric surfactant is introduced into the treated water. Therefore, a foam separation treatment method capable of efficiently separating organofluorine compounds from treated water containing organofluorine compounds is provided.

The invention relates to the field of sewage treatment, and discloses a process method for treating refined sugar ion exchange decoloration regeneration waste liquid. The method comprises the steps of electric flocculation foam separation pretreatment and salt-tolerant activated sludge biological treatment, and the invention also discloses a system for realizing the method, and the system comprises a raw water tank, an electric coagulation tank, a flocculation tank, an air floatation tank, a salt-tolerant microorganism biochemical treatment tank and a precipitation tank. According to the method disclosed by the invention, the high-COD, high-salt and high-chroma waste liquid generated by a sugar refining process is effectively treated, so that higher emission standards are achieved.

The utility model discloses a wet and dry dual-purpose dust collector, and relates to the technical field of dust collectors. The dust collector specifically comprises a collecting barrel, a top cover assembly, a floating column assembly, a motor assembly, an air outlet valve assembly, an HEPA assembly and a water insulation cup, the top cover assembly and the air outlet valve assembly are installed on the motor assembly, the motor assembly is installed in the collecting barrel, the HEPA assembly comprises an HEPA frame and an HEPA filter, the HEPA frame is installed at the bottom of the motor assembly, and the HEPA filter is installed on the water insulation cup. The floating column assembly is slidably mounted in the HEPA frame, the outside of the HEPA frame is selectively connected with the HEPA filter and the water insulation cup, when the dust collector sucks dust, the HEPA frame is detachably connected with the HEPA filter, and when the dust collector sucks foam water, the HEPA frame is detachably connected with the water insulation cup. The wet and dry dual-purpose dust collector can achieve wet and dry dual purposes, can achieve foam separation, can effectively prevent foam from overflowing out of the dust collector through the air channel, and improves user experience.

The gas-liquid separation device comprises a cylinder and a degassing separation assembly, a liquid inlet is formed in one side of the cylinder, a gas outlet is formed in the top of the cylinder, the cylinder comprises an injection separation area, a foam separation crushing area, a standing separation area and a gasification space, the injection separation area is provided with an injection separation assembly, and the foam separation crushing area is provided with a gas outlet. The foam separating and crushing area is provided with a foam separating assembly, the foam separating and crushing area is communicated with the injection separating area, and the standing separating area is communicated with the injection separating area; the gasification space is communicated with the injection separation area, the foam separation crushing area and the standing separation area, the standing separation area is connected with the degassing separation assembly, the gasification space is communicated with the gas outlet, and the injection separation area is communicated with the liquid inlet. According to the gas-liquid separation device, the gas-liquid separation efficiency can be improved, and the occupied area of equipment is reduced.

The application discloses a kind of supergravity high-efficiency foaming foam separation device and method, belong to chemical separation equipment field.The device includes supergravity rotating packing bed, foam rectifying tower and foam stripping tower;Foam rectifying tower is connected with the top of supergravity rotating packing bed;Foam stripping tower is connected with the bottom of supergravity rotating packing bed;The gas inlet of foam stripping tower bottom and supergravity rotating packing bed is connected with gas conveying pipeline, and gas conveying pipeline is composed of fan, gas buffer tank, gas valve, gas flow meter connected in sequence;Supergravity rotating packing bed connects liquid conveying pipeline, and liquid conveying pipeline includes raw material liquid tank, pump, liquid valve and liquid flow meter connected in sequence.The application solves the problems of traditional foam separation equipment, such as large and uneven bubbling, slow mass transfer efficiency and low separation efficiency, increases the effective area of gas-liquid contact by using supergravity technology, greatly improves the separation effect, and realizes the efficient separation of target substance.

The invention provides a method for separating flavonoid compounds in perilla leaves, and relates to the technical field of foam separation. According to the separation method of the flavonoid compounds in the perilla leaves, the flavonoid compounds in the perilla leaf water extract are separated by adopting a foam separation method; a separation auxiliary agent for foam separation is amino silane modified nanofiber. According to the separation method, amino silane modified nanofibers are used as a separation auxiliary agent, and the separation auxiliary agent can specifically adsorb the flavonoid compounds, has good foamability and can achieve separation of the flavonoid compounds in a foam separation mode. The separation method is simple to operate, low in cost, green and environment-friendly, and the flavonoid compounds in the perilla leaves can be efficiently separated.

This invention discloses an immersion-type foam separation, collection, and elimination device. A foam collection component floats on the surface of a thickening tank, separating and collecting foam from the tank surface to a foam breaking component. The foam breaking component breaks the collected foam into small pieces and sends them into the foam separation and elimination component. A water-retaining ring in the foam separation and elimination component fluctuates according to the water level in the suction ring, reducing the amount of water entering the component. Simultaneously, a drainage component ensures that the water level in the suction ring is always lower than the water level in the thickening tank. Water carrying foam flows into the foam separation and elimination component, with most of the liquid leaking into the suction ring from the first hole of the foam collecting hopper. The foam is separated by the second hole of the foam collecting hopper and enters a defoaming tank. In the defoaming tank, the foam is defoamed and reduced to slurry, flowing to the outlet of the defoaming tank, where it is then sucked away by the drainage component and discharged back into the thickening tank along with the water. This invention has the advantages of low cost and applicability to large-size thickeners for large-scale elimination of three-phase foam.

A liquid ejection device, a cleaning method, and a cleaning program are provided that are capable of sufficiently cleaning a wiper member with a cleaning member even when high-viscosity ink is used. [Solution] The liquid ejection device comprises an ejection head having a nozzle plate with nozzle holes for ejecting liquid, a wiper member for wiping the nozzle surface which is one side of the nozzle plate, a wiper holder for supporting the wiper member, a cleaning member for removing liquid adhering to the wiper member by contacting the wiper member, foam impregnated with cleaning liquid provided on the cleaning member, and a switching mechanism for switching between a contact position where the wiper member contacts the foam and a separation position where the wiper member is separated from the foam.

To provide a foam separation apparatus and a foam separation method that are capable of concentrating a separation target substance and improving the removal rate of a substance to be removed from the separation target substance.SOLUTION: A foam separation apparatus 1 includes: a separation column 2; a treated liquid supply unit 3 that supplies a treated liquid containing a separation target substance into the separation column 2; a foam generation unit 4 that generates foam BL from the treated liquid in the separation column 2; and a hydrophilic solution supply unit 5 that supplies a hydrophilic solution into the separation column 2 for contact with the foam. The separation column 2 includes a column section 21 extending upward, the column section 21 guiding the foam BL upward. The hydrophilic solution supply unit 5 supplies the hydrophilic solution into the column section 21 and allows the hydrophilic solution to flow downward while contacting the foam BL rising in the column section 21.SELECTED DRAWING: Figure 1

The utility model discloses a foam separation device for sewage treatment, relates to the technical field of sewage treatment equipment, and aims to realize the purpose of foam separation by arranging a spray head in the conventional foam separation device for sewage treatment, enabling the liquid level on the inner side to be higher than the liquid level on the outer side to form a liquid level difference and discharging foams through a notch by virtue of a rotating driving plate. However, the foams are dispersed on the inner wall of the sewage pail in the process of being driven, only the foams near the notch can be transferred through the notch, and the rest of the foams can be adsorbed on the inner wall of the sewage pail; according to the device, the foam scraping plate with the foam absorption holes is arranged, in the rotating process of the foam scraping plate, foam on the surface of sewage and the inner wall of the sewage barrel is collected at the positions of the foam absorption holes, then the foam is absorbed through the foam absorption holes, the purpose of foam separation is achieved, and the foam separation effect of the device is improved.

The present disclosure describes systems and methods for producing graphene. A method for producing graphene may include dispersing a graphite starting material in an aqueous solution to form a graphite solution; performing a collision treatment on the graphite solution to form a graphene foam; and separating the graphene foam to isolate graphene. A system for producing graphene may include an inlet for introducing a solution; a collider including a core for accelerating the solution; an ultrasonic mixer operatively connected to the collider such that the solution is passed from the collider to the ultrasonic mixer; and a foam separator operatively connected to the ultrasonic mixer such that the solution is passed from the ultrasonic mixer to the foam separator.

The utility model belongs to the field of cooking utensils, and discloses a cooking floating foam collecting and filtering device. The boiling floating foam collecting and filtering device has floating foam separation and storage capabilities and is mainly structurally characterized by comprising a floating foam collecting and filtering body and a lifting assembly, the body comprises a one-way separation filter screen component and a floating foam collection fence component and is used for forming a floating foam generation storage space to collect and integrally filter floating foam; the lifting assembly is used for taking the body or adjusting the size of the floating foam generation and storage space. According to the utility model, the inertial thought that the floating foam is filtered after being generated is broken through, a new device is provided to isolate a space before the floating foam is generated so as to collect and store the floating foam, and the problems of how to quickly and cleanly remove the floating foam in a pot and prevent the floating foam from being adhered to the surface of food and the edge of the pot are solved. By means of the device, the operation burden of removing cooking floating foam can be greatly relieved, potential safety hazards are avoided, nutrient substances are reserved in soup, and made food is more delicious.

The utility model relates to the technical field of foam and bottom film separation equipment, disclose a kind of foam separating device, including workbench, the workbench outer wall one side is fixedly connected with support frame one, the support frame one inside upside is provided with placement roller, the workbench outer wall other side is provided with collection roller, the workbench upper is provided with separation assembly, the support frame one upper is provided with deviation rectification subassembly, the placement roller outer wall is provided with limiting component, the deviation rectification subassembly includes deviation rectification wheel, the deviation rectification wheel is arranged in support frame one upper. In the utility model, if foam deviates during conveying, electric push rod pushes the sliding of moving block along slide rail, drives deviation rectification subassembly and makes foam homing, then hydraulic rod drives mould to complete separation, and finished product is collected by collection roller, reaches the real-time perception and quick response of foam deviation direction, can automatically and accurately correct foam conveying path, to improve the precision and consistency of foam separation.

The application relates to the technical field of sulfur recovery, and particularly discloses a low-byproduct sulfur recovery process. The low-byproduct sulfur recovery process is characterized in that the process comprises the following steps: S1: sulfur-containing waste gas is sent into a desulfurization tower to be in reverse contact with desulfurization liquid sprayed at the top of the tower for desulfurization, and then the desulfurization liquid discharged at the bottom of the tower is sprayed into a regeneration tank for flotation to obtain sulfur foam and clear liquid; S2: the sulfur foam is transported into an elevated tank for preliminary sedimentation and separation, and high-concentration sulfur foam is obtained at the upper layer; S3: the high-concentration sulfur foam is transported into a filter for liquid-foam separation, and sulfur paste and filtrate are obtained after filtration; S4: the sulfur paste obtained after filtration is transported into a sulfur paste dilution tank, then sulfur residue solution is added into the sulfur paste dilution tank, and sulfur paste dilution liquid is obtained after uniform mixing; and S5: the sulfur paste dilution liquid is transported into a sulfur melting kettle for sulfur melting, and liquid sulfur generated is cooled and collected in a sulfur tank. The low-byproduct sulfur recovery process has the advantage of less byproducts.

The utility model provides a kind of ore pulp sorting tank, the technical field of ore pulp processing, including tank body, stirring cavity and transfer cavity are arranged in tank body, overflow port is opened and communicated between stirring cavity and transfer cavity, support plate A is fixedly installed above stirring cavity, the lower surface of support plate A is rotatably installed with stirring rod, and the upper surface of support plate A is fixedly installed with stirring motor, the output end of stirring motor is fixedly connected with the upper end of stirring rod, floating scum transfer tank is fixedly installed on the front surface of tank body, the rear surface of floating scum transfer tank is provided with feed inlet, sieve plate is fixedly installed in transfer cavity, support plate B is fixedly installed above transfer cavity, double material blocking device is installed on the outside of support plate B, floating scum discharge device is installed in stirring cavity, the utility model is provided with the double structure of "stirring cavity preliminary foaming separation+the sieve plate secondary interception in transfer cavity", in combination with stirring rod and floating scum discharge device, the classification capture of mineral substance in ore pulp is realized, and mineral substance recovery rate is effectively improved.

The invention discloses a high-concentration micro-nano foam preparation device and a preparation method thereof.The device comprises a liquid storage tank, a conveying pump, a micro-nano foam preparation unit and a micro-nano foam separation and recovery unit, a first bottom barrier plate is arranged in the liquid storage tank, and the micro-nano foam preparation unit is connected with the conveying pump and arranged on the side edge of the liquid storage tank; and the micro-nano foam separation and recovery unit is integrated at the upper part of the liquid storage tank and comprises a second barrier plate, a micro-nano foam collection tank, a foam overflow plate and a foam discharge liquid return pipe. The micro-nano foam separation and recovery unit is arranged, foaming liquid separated out through the foam overflow plate and the foam discharge liquid return pipe by means of the gravity liquid discharge effect is guided back to the liquid storage tank, gas-liquid separation is effectively achieved, and the dryness and concentration of discharged foam are remarkably improved. The device is compact in structure, low in energy consumption, large in dry density and suitable for industrial large-scale production, and the particle size of the prepared micro-nano foam is concentrated at 1-10 microns.

The invention discloses a method for synchronously removing heavy metal ions and boric acid in wastewater by a foam separation method. The method comprises the following steps: adding a composite surfactant system into the wastewater containing the heavy metal ions and the boric acid, mixing, foaming to form a foam layer, standing, removing foams, and collecting a treated liquid phase. The system comprises a glycosyl surfactant and an anionic surfactant, and the glycosyl surfactant contains glycosyl hydrophilic groups and has more than or equal to 2 hydroxyls, such as sucrose fatty acid ester, rhamnolipid, sophorolipid and the like; wherein the sucrose fatty acid ester is a product obtained by esterifying one or more hydroxyls of sucrose by C8-18 fatty acid acyl. The anionic surfactant is selected from alkyl sulfate and / or alkylbenzene sulfonate, the molar ratio of alkyl sulfate to alkylbenzene sulfonate is 4: 6-7: 3, and the total concentration is 0.1-2 mM. The whole treatment time is 1-10 minutes, the standing time is 1-5 minutes, and the method is suitable for the water body of which the pH value is 3-9 and the total hardness (in terms of CaCO3) is 0-600 mg / L.

The present invention provides a foam separation method and device, a foam separation method, characterized in that the foam separation method includes the following steps: S1: transferring material to a trough; S2: transferring a special potion to the trough, wherein the special potion corresponds to the target concentrate to be separated one by one; S3: the action force F drives the trough to shake; S4: the bubbles in the trough carry the target concentrate to the liquid surface to form foam; S5: the transfer component transfers the foam with the target concentrate to the concentrate trough; S6: the tailings are discharged from the bottom of the trough to the tailings trough. The beneficial effect of the present invention is reflected in providing a foam separation method and device. The present invention reasonably sets the feeding method of the special potion and the material, and drives the flow of the slurry through the shaking of the trough, thereby increasing the reaction area between the target ore and the special potion, and at the same time increasing the number of bubbles generated. The entry of the material and the shaking of the trough generate a large number of bubbles, thereby improving the efficiency of foam separation.

This invention belongs to the field of sulfur foam separation technology, specifically relating to a method for the synergistic concentration of sulfur foam through gradient centrifugation and microwave drying. The method utilizes a selected foam modifier to modify the sulfur foam, effectively reducing the number of bubbles and the viscosity of the liquid. It also effectively breaks down the colloidal system formed by bubbles and sulfur particles in the sulfur foam, promoting water separation and further enhancing the dehydration effect. This allows the treated sulfur foam to be dehydrated and dried using only conventional physical dehydration methods, achieving the desired dehydration and drying of high-moisture-content sulfur foam.

The invention relates to the technical field of wastewater treatment, in particular to a multistage electrochemical treatment device for fine chemical wastewater and a treatment method of the multistage electrochemical treatment device. The device comprises a complex breaking unit, a deep oxidation unit and a flocculation unit which are arranged in sequence, wherein the complex breaking unit comprises a circular groove, and the circular groove is provided with a rotational flow liquid inlet pipe, an anode structure, a cathode structure and a floating foam separation mechanism; a self-cleaning deep oxidation mechanism is arranged in a tank body of the deep oxidation unit; a tank body of the flocculation unit is divided into a flocculation area and an accumulation area by a partition plate, and the two areas are respectively provided with a polar plate electrolysis structure. According to the treatment method, step-by-step advanced treatment of the fine chemical wastewater is realized through complex breaking and primary oxidation, deep electrochemical oxidation, electric flocculation and solid-liquid separation in cooperation with regular maintenance and parameter adjustment of the device. The device solves the problems of functional interference, easy passivation of electrodes and the like of a traditional device, and is high in treatment efficiency and suitable for fine chemical wastewater treatment.

The utility model discloses a water blocking device used in a kettle type concentration process of 2-methylimidazole reaction liquid, which comprises a buffer tank body, a baffle plate is arranged in the buffer tank body, a gas phase inlet is arranged on the side of the buffer tank body, a gas-liquid separator device is arranged in the buffer tank body, and a gas phase outlet is arranged on the side of the gas phase inlet. A gas-foam separation device is arranged in the buffer tank body, the gas-foam separation device is fixedly connected with a water guide pipe, a water outlet is formed in the bottom of the buffer tank body, and a gas phase outlet is formed in the top of the buffer tank body. And the separated liquid water can smoothly flow to the tank bottom along the water guide pipe and is regularly discharged, so that the water content in the steam is reduced, and the risk that the vacuum pump is damaged due to the entrainment of the liquid water is avoided.

The present disclosure relates to a wind turbine blade core material recycling system and method, which comprises a detection positioning mechanism, a metal removal mechanism, a cutting and marking mechanism and a core material separation mechanism. The detection positioning mechanism is configured to obtain the position of metal parts in the blade and the distribution parameters of basswood and PVC foam. The metal removal mechanism is configured to remove the metal parts in the blade according to the parameters obtained by the detection positioning mechanism. The cutting and marking mechanism is configured to mark the basswood and PVC foam in the blade after the metal removal mechanism, and cut the blade into basswood blade blocks and PVC foam blade blocks along the marking lines. The core material separation mechanism is configured to strip the basswood in the basswood blade blocks and the PVC foam in the PVC foam blade blocks by a drilling machine. In this way, the basswood and PVC foam in the wind turbine blade can be separated by the recycling system to obtain basswood and PVC foam with high purity.

The present application belongs to the technical field of saponin extraction, and particularly relates to a microwave-assisted foam separation and enrichment device and a separation method thereof. The present application uses the separation and enrichment device to perform microwave-assisted water extraction combined with foam separation and enrichment. The method effectively promotes the leaching of saponin, and the extraction rate is close to that of the traditional ethanol leaching method, while the time is greatly shortened to less than 5 minutes, which is much lower than the time of the traditional hot reflux ethanol leaching and hot water extraction, and no organic solvent is needed. The extraction liquid obtained by microwave-assisted water extraction is directly used as the feed liquid for foam separation. The microwave heating not only accelerates the adsorption of saponin on the gas bubbles, but also reduces the solution viscosity and the interstitial liquid between the gas bubbles, thereby significantly improving the enrichment ratio. At the same time, the amphiphilic property of saponin and the intramolecular vibration under the action of microwave further enhance the adsorption of saponin on the gas bubbles, so that the enrichment ratio is as high as 1.6 or more, which is obviously better than the enrichment ratio of the traditional method combined with the foam separation and enrichment method.

The invention discloses a sustainable system process for removing perfluorinated or polyfluorinated alkyl substances, and belongs to the field of water treatment. According to the process, PFAS in a water phase is enriched to a foam phase through foam separation, a PFAS-containing solution is concentrated by combining a nanofiltration membrane system, and defluorination degradation is carried out by using hydration electrons through an electro-catalysis unit; carrying out advanced treatment on nanofiltration produced water by ion exchange resin, backwashing saturated resin by using a mixed solution, and carrying out regeneration cycle on backwashing waste liquid by another electro-catalysis unit; and finally, harmless calcium fluoride is generated through flocculent precipitation, and fluorine ions are removed. The process is suitable for various PFAS, can efficiently remove long-chain and short-chain PFAS, is high in total removal rate, can deal with complex water quality, is suitable for drinking water, natural water bodies, industrial wastewater and other scenes, is free of secondary pollution, can recycle regenerated liquid, and realizes sustainable degradation.