31 results about "Air stripping" patented technology

The utility model discloses a kind of activated carbon adsorption devices for sewage treatment, comprising: air stripping pump, carbon washer, water delivery pipe and water distributor. Air stripping pump includes air inlet pipe, air distribution pipe and lift pipe, the air distribution pipe is sleeved on the outside of the lift pipe, the air inlet pipe is connected with the air distribution pipe;Carbon washer includes backwash chamber and hole cover, the upper end of the lift pipe is located in the backwash chamber, the upper portion of the backwash chamber is equipped with carbon lifting port and exhaust port, lower portion is equipped with carbon discharge port and blowdown port, the hole cover is matched with the carbon lifting port;Water delivery pipe is sleeved on the outside of the air distribution pipe, water inlet pipe is connected on its outside;Water distributor is connected with the lower end of the water delivery pipe.One set of device completes activated carbon backwash and two kinds of operation of lifting, realizes activated carbon adsorption filter reuse function.

The utility model provides a drainage pipeline inverted siphon device capable of automatically dredging and discharging sludge. The drainage pipeline inverted siphon device comprises a water inlet well, a water outlet well, a water inlet well sludge hopper, a water outlet well sludge hopper, an inverted siphon pipe, a water inlet well lifting device, a water outlet well lifting device, an air compression device, a sludge discharging air pipe, an air flushing pipe, an inclined tee joint and a spray head. The top of the water inlet well sludge hopper is communicated with the top of the water outlet well sludge hopper through an inverted siphon. The device has the following advantages: 1, sludge deposited at the bottom of the sludge bucket is lifted to the ground by using an air stripping method and can be pulled away by a sewage suction truck; 2, sludge deposited at the bottom of the inverted siphon is flushed into a sludge hopper of a water outlet well through compressed air, and then the sludge is discharged out of the system through an air stripping method; 3, the same set of air compression device can be adopted as an air source for desilting and sludge discharging, and the energy-saving effect is achieved; the sludge monitor in the water outlet well is used for monitoring the sludge thickness, automatic dredging and sludge discharging are started according to a signal, time and labor are saved, and management is convenient.

The invention discloses a heavy metal emission reduction and sludge reduction treatment process method for circuit board wastewater. The invention provides a layered precipitation strategy of'first acid, second alkali and second sulfur '. The method comprises the following steps: performing acid precipitation on alkaline organic wastewater by using acidic wastewater, and recovering printing ink residues; carrying out air stripping treatment on the copper ammonia wastewater by utilizing an alkaline condition, and precipitating high-purity copper hydroxide; and finally, carrying out deep precipitation on residual complexing heavy metals by utilizing excessive sulfides in the pretreatment stage, and further recovering copper resources in the comprehensive water tank through coprecipitation of copper hydroxide and copper sulfide. Sludge generated in each process is classified and treated; printing ink slag, biochemical residual sludge and copper / nickel sulfide sludge are subjected to synergistic pyrogenic process treatment; copper hydroxide sludge is selectively subjected to acid dissolution to prepare copper sulfate. Lime, ferrous sulfate and polyaluminum are not used in the whole process. According to the method, the medicament is utilized to the maximum extent, the sludge is reduced by 50% or above, and the resource value of valuable metal is increased by 3-5 times.

The invention provides a wastewater treatment device and method for PVB (Polyvinyl Butyral) resin production. The wastewater treatment device comprises a tower body, and a liquid distributor, a filler layer and an aeration device are sequentially arranged in the tower body from top to bottom; the top of the tower body is provided with an air outlet, and the bottom of the tower body is provided with a water outlet; the liquid distributor is connected with a water inlet pipe; the aeration device is connected with an air inlet pipe; and a foam trapping device is arranged between the air outlet and the liquid distributor. Through the arrangement of the foam trapping device, total cross-section interception of rising foams, complete collection of fractured liquid, thorough separation of gas and liquid in space and reflux treatment of concentrated liquid can be realized; therefore, the problems of liquid accumulation, blockage, corrosion and the like of a gas-phase pipeline caused by foam escape when the PVB resin production wastewater is treated by the existing air stripping tower are effectively solved, and the technical problem that the pollutant removal efficiency is overestimated is effectively solved.

The invention discloses a filtering and recycling method and system for concentrated slurry of uranyl carbonate and ammonium diuranate in crystallization mother liquor, and relates to the technical field of uranium purification, the recycling method comprises the following steps: S1, adopting at least two solid-liquid separation devices which are arranged in parallel to carry out alternate circulating filtering treatment on tower bottoms of crystallization mother liquor containing uranyl carbonate and / or ammonium diuranate, filtering to obtain filtered clear liquid and an ammonia-containing filter cake; s2, carrying out air stripping treatment on the ammonia-containing filter cake obtained in S1 to separate ammonia-containing gas and obtain a solid material with low ammonia content; s3, carrying out absorption treatment on the ammonia-containing gas separated in S2 to obtain an ammonium-containing product; and S4, carrying out pyrolysis treatment on the solid material with low ammonia content obtained in S2 to obtain a uranium-containing product. Through cooperation of double-machine alternate circulating filtration, air stripping separation, absorption recovery and pyrolysis conversion, the technical problems of ammonia nitrogen pollution transfer, dependence on manual operation, long flow and high water content of a filter cake are solved.

The invention provides an efficient regeneration molecular sieve drying, adsorption and filtration device, which belongs to the technical field of gas drying, adsorption and filtration and comprises a shell, a gas inlet pipe arranged at the top and an exhaust assembly arranged at the lower part of the side surface. A grading filtering module, a self-adaptive adsorption module, a pressing plate module, an airflow uniform distribution plate and an intelligent regeneration module are sequentially mounted in the shell. The graded filtering module is used for multi-stage filtering; the self-adaptive adsorption module realizes adsorption through a bearing table and a molecular sieve packaging assembly; the pressing plate module elastically fixes the molecular sieve and switches a communication state during adsorption and regeneration; the intelligent regeneration module is integrated with a hot air stripping assembly and a pulse back blowing assembly to synergistically realize efficient regeneration; and regenerated tail gas is discharged from the side wall discharge pipe. Through graded filtering protection, elastic fixing of pressing plate module integration and gas path self-switching, uniform distribution optimization of gas flow and cooperative regeneration of hot air stripping and pulse back blowing, efficient purification, thorough regeneration, structure simplification and long-period stable operation of the molecular sieve drying adsorption device are achieved.

The utility model discloses nitric acid pickling copper wastewater total nitrogen removal equipment which comprises an air stripping tower main body and an exhaust chimney, and the exhaust chimney is fixedly mounted at the top of the air stripping tower main body; the efficient removal assembly comprises a PH adjusting heating tank, a header pipe, a spraying circulating pipe, a drainage pipe, a first filler layer, a second filler layer and a centrifugal fan, the PH adjusting heating tank is arranged at the side part of the air stripping tower main body, the header pipe is arranged at the top of the PH adjusting heating tank, the header pipe is connected with the spraying circulating pipe in a grading manner, and the drainage pipe is connected with the spraying circulating pipe. A drainage pipe is fixedly inserted into the bottom of the spraying circulating pipe, a first filler layer and a second filler layer are fixedly mounted in the air stripping tower main body, and the side part of the air stripping tower main body is fixedly connected with an air outlet end of a centrifugal fan. According to the device disclosed by the utility model, free ammonia dissolved in wastewater can pass through a gas-liquid interface and is transferred to a gas phase, so that the aim of deeply removing ammonia nitrogen and total nitrogen is fulfilled.

The application discloses an aeration cyclone off-shore algae control system and an operating method, and belongs to the technical field of off-shore algae control, which comprises an air compressor, a water tank, a heat exchanger, a cooling circulating device and a plurality of aeration cyclone mechanisms. Each aeration cyclone mechanism comprises aeration main pipes, horizontal aeration branch pipes and a plurality of vertical aeration branch pipes. A connecting hose is arranged between each two adjacent aeration main pipes, and an aeration hole is arranged at the upper end of each vertical aeration branch pipe. Through the application, off-shore active algae control is realized in a period with strong light and high temperature. The 'air stripping' effect generated by the rising of air bubbles increases the Reynolds number and the turbulence degree of water, thereby destroying the requirement of blue algae for still water. The appearance of cyclone also destroys the normal migration rule of blue algae, so that the blue algae cannot normally perform photosynthesis. Moreover, the cyclone fully mixes water layers with different temperatures, greatly reduces the water temperature of the surface water body, and effectively controls the growth of blue algae.

The application discloses a kind of air stripping devices for groundwater pollution remediation, it relates to air stripping field, including fixed seat, installation platform and air stripping pipe are fixed on the fixed seat, air stripping generating mechanism and filter are fixed on the air stripping pipe.This method is used in the process of groundwater extraction by air stripping device, and the air stripping generating mechanism can automatically clean the algae and larger sand and stone on the filter, so that the air stripping device can work continuously for a long time, effectively improve the overall working efficiency of the air stripping device.

The utility model discloses a sedimentation tank upper part gas stripping sludge discharge device which comprises a sedimentation tank, a support plate is arranged above the sedimentation tank, and a movable seat is arranged on the left side of the top of the support plate. The slidable moving seat is arranged on the supporting plate, the sludge pipe is driven by the moving seat to slide on the moving rod, meanwhile, the supporting plate can slide in the guide groove of the fixed seat through the guide sliding block, the threaded rod is driven to rotate in cooperation with the driving motor, the threaded block moves, and therefore the supporting plate is driven to move; multi-direction movement of the sludge pipe in the sedimentation tank is achieved, targeted sludge discharge can be conducted on different areas of the sedimentation tank, the sludge discharge uniformity and efficiency are improved, air compression equipment introduces compressed air into the sludge pipe through a pipeline, an air pipe and a branch pipe, sludge at the bottom of the sedimentation tank is discharged according to the air stripping principle, and the sludge discharge efficiency is improved. The lower end of the sludge pipe is provided with the air nozzle, compressed air is sprayed out from the air nozzle, sludge can be better driven to rise, and the sludge discharge effect is improved.

The utility model relates to an air conditioning system coupled with carbon dioxide capture. The air conditioning system comprises an air conditioning body, a carbon capture module and a carbon desorption module, an air conditioner air inlet and an air conditioner air outlet are formed in the air conditioner body; the carbon capture module is arranged in the air conditioner body and communicates with the air conditioner air inlet and the air conditioner air outlet. The carbon desorption module comprises a negative pressure pump, a gas storage tank and a purging pump which are communicated in sequence, an inlet of the negative pressure pump is communicated with an outlet of the carbon capture module, and an outlet of the purging pump is communicated with an inlet of the carbon capture module. Compared with the prior art, carbon dioxide enriched on the carbon capture module can be desorbed, the carbon dioxide capacity of the carbon capture module can be released, the purification effect of the carbon capture module can be ensured, gas in the gas storage tank can be recycled for air stripping, and the desorption cost can be saved.

This invention discloses an air-lift reflux anaerobic and intermittent MBR automatic switching wastewater treatment process, relating to the field of wastewater treatment. The wastewater treatment equipment automatically switches between three wastewater treatment modes based on the wastewater volume: AO+MBR, AO and MBR in parallel, and AO+membrane SBR intermittent operation. The wastewater treatment equipment includes an anaerobic tank, an intermittent MBR tank, and a sedimentation tank connected by valves. The anaerobic tank is equipped with a basket-type screen connected to the inlet pipe. The intermittent MBR tank is equipped with MBR membrane modules and an ultrasonic level gauge. The sedimentation tank is equipped with an overflow outlet. This invention operates with low energy consumption and employs A... The O+ membrane SBR operates intermittently, automatically every hour, and is idle when there is no water. When the water volume is too large, it automatically switches to AO+MBR mode, and the sedimentation tank starts automatically. It is suitable for decentralized rural sewage treatment with large water volume fluctuations, or sewage treatment (or pretreatment) in factories without connection conditions, as well as domestic sewage treatment in scenic spots and mobile boat berths. This invention uses an air lift reflux method to realize the reflux of nitrified liquid and the reflux of settled sludge. The remaining sludge is also refluxed using an air lift reflux method to realize sludge discharge. That is, the air lift reflux method of blower replaces the return water pump and sludge discharge pump in the traditional process, saving investment and simplifying operation and management.

The air stripping device comprises an air stripping tower, a water inlet pipe used for introducing waste water is installed on one side of the air stripping tower, and an air outlet pipe used for guiding out gas generated during waste water treatment is connected to the upper portion of the air stripping tower in a penetrating mode. A purification tower for purifying the introduced gas is arranged on one side of the gas outlet pipe, a driving unit is further arranged above the air stripping tower, a piston rod is mounted at the output end of the driving unit, a lifting rod is mounted at one end of the piston rod, and a connecting claw is arranged at the tail end of the lifting rod; and the end part of the connecting claw is connected with an extrusion mechanism for guiding oxygen or air into the inner side of the air stripping tower. Through the unique structure and design of the air stripping device, the Fenton oxidation efficiency is effectively improved, the purification treatment of harmful gas is realized, and an efficient and environment-friendly solution is provided for wastewater treatment.

The method comprises the following steps: 1) barren liquor discharged from the bottom of a regeneration tower enters a negative pressure buffer tank, the top of the negative pressure buffer tank is connected with a steam compressor, and the barren liquor extracted by the steam compressor enters a barren-rich liquor heat exchanger through a barren liquor pump; 2) water vapor containing a small amount of CO2 enters a vapor compressor, is regulated by a regulating valve I and then enters a regeneration deaerator; (3) the rich liquid enters the top of a regeneration deaerator from top after going out of the rich and lean liquid heat exchanger, and steam enters the regeneration deaerator from bottom to top; (4) the rich liquid enters a regeneration tower from the top after being subjected to heating regeneration and air stripping; and (5) after heating regeneration and air stripping of the rich liquid are completed, regenerated gas I and regenerated gas II from the top of the regeneration tower pass through a gas cooler together and then enter a gas-liquid separator, separated condensate water returns to the regeneration tower from the top, and separated gas enters a membrane separation device after being compressed by a CO2 compressor. According to the method, the energy consumption of the system is reduced, and deoxygenation and energy conservation are coordinated.

The utility model provides a novel freshwater fish factory recirculating aquaculture system which comprises an aquaculture pond, a vertical flow precipitator, a microfilter pond, a biochemical air floatation pond, a sand cylinder filter, a nano denitrification system and a multi-stage air stripping system, the aquaculture pond is respectively connected with the vertical flow precipitator and the microfilter pond, the vertical flow precipitator is connected with the microfilter pond, the biochemical air floatation pond is connected with the sand cylinder filter, and the nano denitrification system is connected with the biochemical air floatation pond. The biochemical air floatation tank is connected with the microfilter tank through a pipeline, the biochemical air floatation tank comprises an air floatation bin, a pump bin, a biochemical bin and a denitrification bin, and the pump bin is respectively connected with the sand cylinder filter, the nano denitrification system and the multi-stage air stripping system through pipelines; and circulating pumps are arranged on pipelines for connecting the pump bin with the sand cylinder filter, the nano denitrification system and the multi-stage air stripping system. According to the utility model, the multi-stage cooperative treatment system is constructed and the denitrification system is introduced, so that the total nitrogen removal rate of the culture system is increased to 96%, which is increased by 140% compared with that of the traditional system, the water supplementing amount of the system is reduced, the daily water supplementing amount is reduced to be less than 3%, and the water-saving rate of the total circulating water amount is more than 70%.

The utility model provides a methionine crystallizer, and relates to the technical field of chemical raw material production, the methionine crystallizer comprises a cyanohydrin reaction tower, the cyanohydrin reaction tower is fixedly communicated with a gas stripping tower, a bottom end outlet of the gas stripping tower is fixedly communicated with a hydrolysis tower, a bottom end outlet of the hydrolysis tower is fixedly communicated with a crystallization tower, the hydrolysis tower is provided with a mother liquor circulating pipe, and the mother liquor circulating pipe is provided with a mother liquor outlet. One end of the mother liquor circulating pipe is fixedly communicated with a liquid outlet of the hydrolysis tower, and the other end of the mother liquor circulating pipe is fixedly communicated with a liquid inlet of the hydrolysis tower.

The utility model discloses an activated sludge microgranule separation device for sewage treatment, which comprises an activated sludge tank, a pulse air stripping device, a rotary microfiltration separation device, an intermediate tank, a diaphragm pump and a rotary microgranule separation device. The pulse air stripping device is arranged in the activated sludge tank. The outlet of the air stripping device is connected to the liquid-solid inlet of the rotary microfiltration separation device. The liquid-solid outlet of the rotary microfiltration separation device is connected to the intermediate tank. The sludge residue outlet is connected to the sludge tank. The inlet end of the diaphragm pump is connected to the intermediate tank through a pipeline. The outlet end is connected to the rotary microgranule separation device through a pipeline. The middle and lower parts of the rotary microgranule separation device are conical. The side end is provided with an inlet, and the inlet direction is tangent to the inner wall. The bottom is provided with a granular organic bacteria outlet for heavy phase. The top is provided with an inorganic sludge residue outlet for light phase. The utility model can effectively separate and recycle the light, loose, sludge, aging bacteria and fine sludge in the biochemical tank, and can screen and retain high-quality bacteria, thereby improving the quality of the activated sludge.

The utility model relates to the technical field of wastewater treatment, and discloses a treatment tank for fermentation treatment of high-ammonia-nitrogen wastewater, which comprises an air stripping tank, a pipeline IV is fixedly connected in the air stripping tank, one end of the pipeline IV is fixedly connected with an adsorption tank, one side of the outer wall of the adsorption tank is fixedly connected with a support block, and the support block is fixedly connected with the air stripping tank. An activated carbon storage box is fixedly connected to one side of the outer wall of the supporting block, a third pipeline is fixedly connected to the interior of the activated carbon storage box, one end of the third pipeline is fixedly connected to the interior of the adsorption tank, a second tank cover is slidably connected to the upper portion of the adsorption tank, a motor is fixedly connected to the interior of the second tank cover, and a second pipeline is fixedly connected to the interior of the adsorption tank; a stirring assembly is arranged in the adsorption tank; and the stirring assembly comprises a stirring roller and a scraping plate. According to the device, the effects of stirring wastewater and activated carbon and accelerating adsorption of the activated carbon are achieved, the effect of preventing the activated carbon from being hung on the wall by a scraper is achieved, and the practicability of the device is further improved.

The utility model discloses circulating water process equipment based on a biochemical box. The circulating water process equipment comprises a biochemical box body and an aeration assembly, the biochemical box body is arranged in a water body to be treated; a plurality of holes are formed in the upper part and the lower part of the biochemical box body; the aeration assembly is mounted in the biochemical box body and is used for providing air for the biochemical box body, and the biochemical box body is filled with MBBR fluidized bed filler. According to the invention, the biochemical box body and the aeration assembly are arranged, circulating water is continuously generated by utilizing the air stripping principle, a process of continuously exchanging pond water and biochemical box body water is formed, and the pond water is treated by utilizing the MBBR fluidized bed filler in the biochemical box body, so that the content of ammonia nitrogen and nitrite in the fishpond is effectively reduced.

The invention discloses a rapid drainage consolidation method for a deep soft soil foundation, and relates to the technical field of soft soil foundation treatment.The rapid drainage consolidation method comprises the following steps that S1, a drainage system is designed, specifically, the number and spacing of horizontal drainage layers are determined according to geological survey data and construction period requirements; s2, horizontal drainage system construction, wherein multiple parallel horizontal drainage layers are constructed at the preset depth of the soft soil foundation from bottom to top; s3, construction of a vertical drainage system, wherein vertical drainage bodies are arranged according to the designed interval, and the vertical drainage bodies are made to communicate with all the horizontal drainage layers; s4, deep water collecting and draining well construction; s5, pipeline system integration; and S6, cyclic loading and consolidation are conducted, specifically, pre-pressing loads are applied to the surface of the foundation step by step, after each stage of load is applied or during the maintaining period, gas supercharging equipment is started, underground water in the water collecting and draining well is drained through a gas stripping drainage device, and loading and drainage circulation is formed till the consolidation degree of the foundation reaches the standard. The structure is simple, the construction period can be shortened, and the drainage efficiency and the treatment depth are improved.

The invention discloses a treatment system for FPSO pipeline chemical cleaning waste liquid and application of the treatment system. The system comprises a nitrous nitrogen reduction and removal device, a chemical precipitation defluorination device, a chemical deep precipitation defluorination device, a stripping ammonia nitrogen removal device, an ammonia gas absorption device, a circulating adsorption defluorination water tank, a first electrolytic circulating water tank and a second electrolytic circulating water tank which are sequentially connected, and the circulating adsorption defluorination water tank is connected with the adsorption defluorination device to synergistically remove fluorine. The first electrolytic circulating water tank is connected with the first electrochemical unit to synergistically degrade COD and ammonia nitrogen, the second electrolytic circulating water tank is connected with the ion exchange nitrate nitrogen removal device to synergistically secondarily degrade COD and ammonia nitrogen, and the ion exchange nitrate nitrogen removal device is connected with the ion resin reclaimed water-second electrochemical treatment unit. Through optimal combination of physical air stripping, chemical reduction, multi-stage precipitation, electrochemical oxidation and ion exchange, collaborative and deep removal of specific pollutants such as high ammonia nitrogen, high fluoride, high organic matters and high nitrogen-containing salts is realized, and the effluent of the system is stable and reaches the standard.

The application belongs to the technical field of rural sewage treatment, and particularly relates to an intelligent full-automatic decentralized rural sewage treatment system device, which comprises a bottom plate, a reaction tank, a sedimentation tank and a clean water tank are fixedly installed on the upper end face of the bottom plate, a water inlet pipe in communication with the inside of the reaction tank is fixedly installed on the outer wall of the reaction tank, a gas distribution device is fixedly installed on the outer wall of the reaction tank, an air pump is fixedly installed on the upper end face of the reaction tank, a temperature sensor is arranged on the inner wall of the reaction tank, and two rotating rods are rotatably installed in the reaction tank. The reaction tank is provided with the structure of double rotating rods and multiple stirring blades, uniform aeration is achieved, sewage and activated sludge are fully mixed, the degradation efficiency of organic pollutants is improved, the sedimentation tank is assisted by uniform spraying of reagents and air stripping, the mud-water separation effect is improved, the clean water tank is provided with a three-stage deep treatment structure, suspended solids, impurities, odors and residual pollutants are effectively removed, and the water quality of effluent is ensured to be stable and up to the standard.

The invention discloses a method for recycling ammonia nitrogen in ammonia-containing water vapor, which comprises the following steps: pretreating the ammonia-containing water vapor, and introducing the pretreated ammonia-containing water vapor into a gas-phase membrane absorption-electrochemical oxidation coupling reactor; wherein the ammonia-containing water vapor flows in a shell pass of the reactor; the acidic absorption liquid circularly flows in the tube pass of the reactor, namely the inner side of the hollow fiber membrane silk; gaseous ammonia molecules in the ammonia-containing water vapor selectively penetrate through the membrane wall by utilizing the hydrophobic property of the hollow fiber membrane filaments, are absorbed by the acidic absorption liquid and are converted into ammonium salt; meanwhile, an electric field is applied to the acidic absorption liquid in the reactor for electrochemical oxidation, and ammonium ions in the ammonium salt are converted into nitrogen; and collecting the generated gas product, and condensing and recycling the deaminated clean steam. According to the invention, the ammonia gas is effectively prevented from escaping in the treatment process, and the problems that the environment is polluted and the recovery rate is reduced due to unorganized emission in the existing air stripping technology are solved.

The utility model relates to the technical field of wastewater treatment, and discloses an air stripping box and a high-salt and high-ammonia-nitrogen wastewater treatment device. The air stripping box comprises a box body, at least one steam atomization air stripping assembly is arranged in the box body, each steam atomization air stripping assembly comprises a waste water atomization device and a steam distribution pipe, the waste water atomization device is connected with a waste water inlet and arranged above the steam distribution pipe, the steam distribution pipe is connected with a steam source, and the steam source is connected with a steam outlet. Distribution holes are formed in the pipe walls of the steam distribution pipes, and wastewater downcomer channels are arranged among the steam distribution pipes. According to the utility model, steam is used as an air stripping medium, and ammonia after air stripping is pumped to the tail gas absorption device through the fan and is absorbed into ammonia water by water, so that the tower is wide in material selection, and the hidden danger of corrosivity of the existing acidic absorption liquid is reduced; the absorbed ammonia water can be directly returned to a production process or sold to realize resource utilization; the absorption device is made of a metal material, and high-concentration ammonia water can be obtained through pressure-resistant design; and the risk of secondary pollution is reduced.

The utility model discloses an efficient oxidation reaction device for TOC (total organic carbon) determination. The efficient oxidation reaction device comprises an air stripping reaction tube, an ultraviolet lamp, an air pump, a peristaltic pump, an ozone generation component and a plurality of valves, the peristaltic pump is provided with two ends, one end of the peristaltic pump is connected with a gas-liquid inlet in the lower side of the air stripping reaction tube through a valve, and the ozone generation assembly and the air pump are also respectively connected with the gas-liquid inlet in the lower side of the air stripping reaction tube through valves; a gas overflow port is formed in the top of the air stripping reaction tube, and the ultraviolet lamp is mounted in the air stripping reaction tube. According to the utility model, through combination of ultraviolet digestion and ozone oxidation, multiple oxidation guarantee is formed, and total organic carbon (TOC) can be converted more thoroughly, so that the test is more efficient, and the data is more accurate.

This invention provides a method and system for recovering water resources from gas fields. The method includes: subjecting gas field water to media filtration and / or ultrafiltration membrane filtration to obtain pretreated gas field water; adsorbing lithium from the pretreated gas field water using a lithium adsorbent to obtain adsorbed tailings water; desorbing lithium from the lithium adsorbent after adsorption to obtain a lithium-containing solution; subjecting the adsorbed tailings water to acidification and oxidation treatments sequentially to obtain an oxidized liquid; and subjecting the oxidized liquid to air stripping to obtain gaseous bromine. This method for recovering water resources from gas fields can efficiently recover lithium, bromine, and other resources from gas field water, achieving full utilization of gas field water resources.

The invention discloses a continuous light salt brine ammonium removal reaction device and method, and relates to the technical field of light salt brine treatment in the chlor-alkali industry. The device mainly comprises a raw material storage unit, a dechlorination tower, a vertical strong turbulent flow reaction tank, an ammonium blow-off tower, a continuous liquid separator, an alkali liquor absorption tower and a conveying and control module. Light salt brine enters the reaction tank after being subjected to vacuum dechlorination; the method comprises the following steps: continuously adding chlorine water, sodium hypochlorite and other composite oxidants under precise metering, and reacting with light salt brine under the superposed action of vertical strong turbulent flow and compressed air to generate volatilizable chloramine; after a reaction material is subjected to air stripping and liquid separation, qualified light salt brine is discharged, and an organic phase is refluxed and reused. According to the invention, dechlorination-ammonium removal-absorption-circulation integrated continuous operation is realized, the precipitation and scaling risks of equipment are thoroughly eliminated by using a composite system, the ammonium removal thoroughness and production continuity are greatly improved, and the energy consumption and environmental protection pressure are reduced.

The utility model provides a waste film collecting device. The waste film collecting device comprises a tearing and uncovering assembly, an air stripping assembly and a suction assembly. The tearing and uncovering assembly comprises a clamping jaw capable of being opened and closed and a driving part in transmission connection with the clamping jaw, the clamping jaw is used for grabbing the stripped waste film, and the driving part is configured to control the three-dimensional motion trail of the clamping jaw. The air stripping assembly comprises a body, an air blowing channel and a first air blowing generator, an open hole is formed in the body in a penetrating mode, the air blowing channel is embedded in the body, one end of the air blowing channel is connected with the first air blowing generator, the other end of the air blowing channel is exposed out of the open hole, and the clamping jaw corresponds to the open hole. The suction assembly is connected with the air stripping assembly and comprises a fan cover and a second air blowing generator, one end of the fan cover is connected with the body and corresponds to the hole, and the second air blowing generator is communicated with the fan cover.

The utility model discloses an energy-saving air-lift recirculating aquaculture system suitable for fry thickening, which comprises a square fry rearing tank, a microfilter, a biological filter tank, an ultraviolet sterilizer and a high-speed fan, and a water outlet of the biological filter tank is connected with a vertical pipe; an air outlet of the high-speed fan is connected with the bottom of the vertical pipe and is provided with a ball valve for control; the ultraviolet sterilizer is arranged on a water return pipe, and a water outlet of the water return pipe is connected with the other end of the square fry rearing tank. According to the system, on the premise of meeting normal circulating water treatment, foam can be removed at the same time, and the function of a protein separator is achieved; part of harmful gases such as carbon dioxide gas in the water body can be brought while a large amount of air is input, so that the function of a carbon dioxide degassing tower is realized; the whole water treatment system adopts an unpowered water pump design without water head damage, so that the energy consumption of the system is greatly reduced, the overall design is reasonable, the operation is convenient, and the installation and maintenance are simple.

The invention discloses a deepwater reservoir antibiotic resistance gene transmission risk control device and method. The device comprises a solar heat collection-power generation floating island platform, a thermosyphon-gas stripping combined circulator and an intelligent monitoring and feedback system. The floating island platform supplies power through a photovoltaic panel and drives a solar heat exchanger, and the combined type circulator utilizes a plurality of vertical heat exchange pipelines and combines a thermosyphon effect (density difference is formed by solar heating) and an air stripping effect (bottom bubble plume oxygenation) to forcibly mix bottom layer anoxic water and surface layer oxygen-enriched water, crack thermal stratification and lift dissolved oxygen; the intelligent monitoring system monitors water quality and resistance gene abundance in real time through a multi-parameter sensor, and dynamically adjusts aeration rate and circulation intensity. According to the method, the triple targets of thermal stratification breaking, bottom layer oxygenation and ARGs diffusion inhibition are achieved, the whole process is driven by solar energy, the targeting property is high, the method is suitable for a regulation and storage type drinking water source reservoir, and a green prevention and control scheme is provided for globally preventing and controlling the ARGs pollution risk of the water body.