112results about How to "Improve dissolved oxygen efficiency" patented technology

The invention relates to a centralized kitchen waste treatment method which comprises the following steps of: (A) sorting kitchen waste; (B) separating oil from water; (C) treating oil; (D) treating sewage; and (E) treating odor. Compared with a traditional kitchen waste burying method, by using the centralized kitchen waste treatment method, a great amount of soil is saved and an available methane resource is generated, kitchen waste reaches 100 percent of harmlessness, more than 95 percent of resource utilization and more than 95 percent of quantitative reduction, and the harmless treatmentof waste and the recycle of resources are truly realized.

The invention discloses a water environment ecological management and rehabilitation system. The water environment ecological management and rehabilitation system comprises a solar water-quality detection controller, an air pump, nano-microporous ceramic aerators, hydraulic impellers and biological grilles, wherein the solar water-quality detection controller is respectively connected with the air pump, the nano-ceramic aerators and the biological grilles, the air pump is connected with the nano-ceramic aerators, the hydraulic impellers are arranged above the nano-ceramic aerators, the biological grilles are arranged above the hydraulic impellers, floating-type ecological floating beds floating on the water surface are arranged above the biological grilles and the nano-ceramic aerators are respectively connected with the hydraulic impellers, the biological grilles and the floating-type ecological floating beds. By the water environment ecological management and rehabilitation system disclosed by the invention, the intelligent braking control is achieved and the system is very convenient to mount, use and manage, low in cost, free of noise and efficient to manage. Since the biological grilles and the ecological floating beds adopted in the system are attached with efficient and side-effect-free probiotics microbial flora and coenzyme, eutrophic organic and inorganic pollution sources in the water body can be decomposed.

The invention relates to an air lift fluidized bed reactor for gas-liquid-solid heterogeneous biocatalysis, being especially applicable to an internal recycle fluidized bed reactor of immobilized enzyme or immobilized cell, which comprises a reactor casing, a gas nozzle, a conical internal flow guiding canister, a low opening distributor of the internal flow guiding canister and a reflux condenser, and is characterized in that the invention comprises the conical reactor casing, wherein the low end of the reactor tank bottom is the gas nozzle to form the conical fluidized bed, the conical internal flow guiding canister, wherein the low portion is the circular ring low opening distributor of the internal flow guiding canister, immobilized carrier particles are capable of good outflow via adjusting the channel angle and aperture of the low opening distributor, the conical reactor casing is opened with a light phase injection port, a weight phase injection port, a production vent and an air vent which is connected with the reflux condenser and the like. The reactor of the invention is an air lift type, internal recycle and conical fluidized bed reactor, which has the advantages of small shearing force, low energy consumption, rapid as-liquid-solid mass transfer, high solvent efficiency and easy magnification, being especially applicable to immobilized cell or enzyme organic phase biocatalysis reaction.

The invention discloses a three-dimensional waterbody circular oxygenation purification plant and a method in waterbody control and restoration field, realizing circular oxygenation purification function for water body in mass flow in big water areas. The circular oxygenation purification plant comprises a power supply, an aeration plant, a water-output vectoring nozzle, a work pipe section, a micro-bubble generator, a water-input vectoring nozzle, a gas supply pipe, a floating body and a floating body support. The method comprises the following steps: pressure gas generated by the aeration plant in water area is fed into the micro-bubble generator fixed in the work pipe section to generate micro-bubble flow flowing upwards; in the water-output vectoring nozzle, micro-bubble flow pushes waterbody to flow upwards to the top, and simultaneously the waterbody at the bottom of the water-input vectoring nozzle enters the vectoring nozzle and then quickly flows to the top of the vectoring nozzle for spraying and then sprays all around, therefore, the purpose of circular oxygenation purification by waterbody exchange is realized by the way that waterbody flows back to the bottom of the vectoring nozzle downwards from a far end for circular flow after surface reoxygenation.

A fuel stabilization system includes a first deoxygenator and a second deoxygenator both for removing dissolved oxygen from a hydrocarbon fuel. The first and second deoxygenators are arranged in parallel or series to sequentially remove a portion of dissolved oxygen from the hydrocarbon fuel. The arrangement of several deoxygenators for a single fuel stream improves removal of dissolved oxygen and provides for scalability of the fuel system to meet application specific demands. The arrangement also provides for the preservation of partial system functionality in the event of the failure of one of the deoxygenator modules.

The invention discloses an efficient oxygenation system for a confined space. The system comprises an aeration tank, a plurality of flow guiding plates are arranged in the aeration tank in the water flow direction and divide the aeration tank into a plurality of areas, different quantities of aerators are arranged in the areas in a concentrated mode according to the oxygen dissolving requirements of the areas, the aerators are rotary-cutting and mixed-flowing aeration devices, a flow guiding cutter is arranged over a water outlet of each rotary-cutting and mixed-flowing aeration device and arranged outside a corresponding central air inlet pipe, and a buffer distance is formed between each flow guiding cutter and the corresponding water outlet; each flow guiding cutter is an inverted cone with the conicity of 60 degrees to 65 degrees. According to the efficient oxygenation system for the confined space, the problems that in actual engineering, aeration in an aerobic tank is not uniform, the total oxygen dissolving efficiency is low, sludge in the tank is deposited, the aerators are prone to fall off and be blocked and aged, the oxygen utilization efficiency is rapidly lowered, management and maintenance are inconvenient, and the cost is high are solved.

A method for rapid elimination of water blackening and smell disclosed in the invention, comprises the following steps: pressurizing pure oxygen to 0.3 MPa or more, through a mixture, rapidly mixing the pressurized pure oxygen with the flow extracted from a body of water to be treated by an axial flow pump, so as to obtain high-concentration oxygen-dissolved water; arranging a plurality of rotarynozzles in the body of water to be treated, intensively mixing the high-concentration oxygen-dissolved water output by the mixture with the body of water to be treated through the rotary nozzles to allow the dissolved oxygen concentration of the body of water to be treated to reach more than 20mg / L. According to the invention, by utilizing the pressurization of pure oxygen and the combination of static pressure and dynamic pressure, the dissolved oxygen concentration of the body of water is increased rapidly. The invention has the advantages of high efficient at absorbing oxygen, action fast,and effect long, with good application prospect.

The invention relates to a combined set for treating a micro-polluted source water in counties and towns, and the combined set comprises an inclined tube sedimentation tank, an aeration biozeolite filter column and an activated carbon filter column, wherein the inclined tube sedimentation tank consists of a water inlet region, a sloped tube region and a water collection region, the water inlet region is provided with turbulent stones and a baffle, the water collection region discharges water through a perforated water collection tank, the aeration biozeolite filter column consists of a water / gas inlet region, a filter material region and a water collection region, aeration is carried out in a blast aeration mode, gas is mixed in the water inlet region and enters the filter material region through a long-handle filter head, the filter material consists of coarse-grain zeolite and common-grain zeolite, the effluent water of the aeration biozeolite filter column enters the activated carbon column in a hydraulic drop mode, and the activated carbon filter column consists of a filter material region and a water outlet region. The inclined tube sedimentation tank water inlet region is provided with the turbulent stones and baffle to enhance the flocculation effect of the coagulant and the removal effect of the sedimentation tank. The activated carbon filter column connected to the aeration biozeolite filter column performs a two-stage biochemical synergistic action, and implements advantage complementation, thereby enhancing the water quality of the effluent water and lowering the treatment cost. The combined set can effectively remove ammonia nitrogen, organic substances, manganese and other pollutants in the micro-polluted source water, has the advantages of compact technical linkage, low investment and operating cost and stable quality of effluent water, and is suitable for being used in small-scale water generation occasions, such as water supply to counties and towns.

A nitrification-denitrification two-phase expanded-bed reactor and a sewage treating process are provided. The expanded-bed reactor comprises a reactor, an oxygen dissolving machine, a circulating pump and auxiliary pipelines. The reactor has a vertical cylindric structure, and comprises a bottom water distribution zone, an aerobic reaction zone, a secondary water distribution zone, an anoxic reaction zone and a water discharging zone from bottom to top. The aerobic reaction zone and the anoxic reaction zone are filled with small-particle-size fillers. The secondary water distribution zone is provided with a shrinkage-expansion type collector ring. The water discharging zone is provided with a three-phase separator. Through adoption of the expanded-bed reactor, nitrification and denitrification are performed in the reactor, biochemical and oxygen dissolving processes are performed independently, a biochemical treating load is high, the floor space of equipment is small and investment and a running cost are saved.

The invention relates to the technical field of natural plant extraction processing, and concretely relates to a high-quality oligomeric proanthocyanidins and a preparation method thereof. The high-quality oligomeric proanthocyanidins can be obtained by the steps of extraction, concentration, purification, re-concentration, water dissolution, depolymerization, and spray drying. The raw materials and auxiliary materials selected by the method are natural materials, the method employs physical synthesis and biological fermentation methods, the oligomeric proanthocyanidins can be completely usedfor food processing and is safe and quality-assured, the operation is simple, the prepared oligomeric proanthocyanidins has strong anti-oxidizability.

The invention belongs to the technical field of amino acid production, and discloses a green and clean fermentation technology of glutamic acid. The method comprises the steps that corynebacterium glutamicum is inoculated into a fermentation tank containing a clean fermentation culture medium to perform fermentation culturing, and auxiliary ultrasonic treatment is conducted. The technology has theadvantages that the fermentation efficiency is improved, and the separation difficulty of the glutamic acid is reduced.

The invention discloses a multi-nozzle jet-flow micro-nano bubble aerator, which comprises a plurality of nozzle-type water pumps and air bubble aeration nozzles which are respectively communicated with the nozzle of the water pump, wherein each air bubble aeration nozzle comprises an aeration nozzle main body, a water pipeline and an air distribution pipeline. The air distribution pipeline and the water pipeline are vertical to each other and respectively provided with a leaf, so that the air flowing into the water pipeline from the air distribution pipeline can be cut by the high-speed flowing water into a great amount of micro-nano bubbles with ultra-small diameter by utilizing a cavity principle, the stop time of the bubbles in the water and the transferring area of the bubbles and the water can be greatly increased, the oxygen dissolving efficiency can be improved, and the biochemical reaction efficiency of aerobic bacteria in the water can be improved.

The invention discloses a solar aerating vessel for fishpond farming, and belongs to the field of fishery breeding. The solar aerating vessel comprises a hull and a deck, wherein a solar power supply mechanism is arranged on the deck; an aerating mechanism, a navigation mechanism and storage batteries are arranged in the hull; the aerating mechanism comprises a transmission shaft and an air pump; a propeller is arranged at the bottom end of the transmission shaft; thrusters are arranged at the tail part of the hull, and connected with the storage batteries; a dissolved oxygen sensor is arranged at the front end of the hull, and the dissolved oxygen situation in water is detected through the dissolved oxygen sensor; electric energy produced by a solar panel is stored in the storage batteries for providing the electric energy for the thrusters, the aerating mechanism and the navigation mechanism. The solar aerating vessel for the fishpond farming uses solar energy as a power system, is rich in resources and free of pollution, can perform mobile uniform aeration, and has a high oxygen dissolving efficiency.

The invention discloses a movable solar oxygenation system and method and belongs to the field of fishery culture. The oxygenation system comprises a buoyancy supporting mechanism, a solar power supply mechanism, a power mechanism, an oxygenation mechanism, a hoisting mechanism and a control mechanism, wherein the control mechanism comprises a central controller, and a dissolved oxygen sensor, an ultrasonic range finding module, a GPS (Global Positioning System) navigation module and an inertial navigation module, which are electrically connected with the central controller respectively; the central controller is used for controlling rotary speeds of two driving motors according to information fed back by the ultrasonic range finding module, the GPS navigation module and the inertial navigation module, so that movable oxygenation and automatic berthing are realized; electric energy generated by the solar power supply mechanism is stored in the storage battery and is used for providing the electric energy to the oxygenation mechanism, the power mechanism and the control mechanism. According to the movable solar oxygenation system and method, intelligent and flexible movement of the oxygenation system can be realized; the dissolving efficiency of oxygen in water can be effectively enhanced and the utilization performance of whole equipment is improved.

The invention relates to an animalcule cultivating system that includes cultivating kettle, water process device, gas filling whisking device, and automatic control device. The heating device is set at the bottom of the kettle to heating one in three or one in four volume of the cultivating medium. The invention also discloses an animalcule cultivating system that cultivates in the cultivating device. The invention sharply decreases the energy and water consumption.

The invention relates to improvement of an inverted umbrella shaped aerator and is characterized in that the inverted umbrella conical surface is cut into multiple slices, and the slices are distorted for an angle of 5-15 degrees into water in the same direction; the slices are distributed and still in the shape of an inverted umbrella, the function that the inverted umbrella shaped aerator generates negative pressure through rotational flow to carry air so as to achieve aeration and oxygenation is maintained, the inclined slices with small angles have double-flow function of horizontal plug flow and downward plug flow, thereby not only meeting the requirement of Carrousel oxidization ditch plug flow, but also replacing omitted plug flow impellers. Compared with the prior art, the inverted umbrella shaped aerator achieves triple effects of strengthening aerator effect, saving raw materials and reducing energy consumption, and has the advantages that oxygenated bubbles are finer, and dynamic efficiency can be improved by about 10%-12%, oxygenation capability can be improved by 15%-25%, and oxygenation water depth can be increased by 30%.

A waste water treatment device and a method are disclosed. The waste water treatment device comprises an ozone oxidation device and a biochemical treatment device. The ozone oxidation device comprises an ozone destructor and an oxidation reactor. The biochemical treatment device comprises a two-phase expanded bed, an oxygen dissolving device and a circulating pump. An exhaust outlet at the top of the oxidation reactor is connected to a gas inlet of the ozone destructor. A gas outlet of the ozone destructor is connected to a gas inlet at the lower part of the oxygen dissolving device. A water discharging pipeline at the bottom of the oxygen dissolving device and a water discharging pipeline at the lower part of the oxidation reactor are combined and then connected to the circulating pump. The outlet of the circulating pump is connected to a water inlet at the lower part of the two-phase expanded bed. A water outlet at the upper part of the two-phase expanded bed is connected to a water inlet at the upper part of the oxygen dissolving device. The method includes: feeding waste water into the oxidation reactor firstly to subject the waste water to oxidation, and feeding the waste water into the biochemical treatment device to subject the waste water to aerobic biochemical reactions. According to the waste water treatment device and the method, reaction conditions and mass transfer conditions can be optimized, the biochemical treatment load is increased, the oxygen component in the oxidation exhaust and the excess pressure of the exhaust are fully utilized, and the treatment cost is reduced.

The invention discloses a membrane oxygenation type container for transporting aquatic living bodies, comprising a box body on which a sealing cover, a water inlet pipe and a water outlet pipe are arranged. The membrane oxygenation type container for transporting aquatic living body is characterized in that the box body mainly comprises an oxygen supplying area and a fish culturing area which are separated from each other by a grid-like partition board, the oxygen supplying area is arranged on the side of the box body, at least one hollow fiber is laid in the oxygen supplying area, the wall of the hollow fiber is provided with micropores, one end of the hollow fiber penetrates through an air inlet hole so as to be connected with an outside oxygen supplying pipe, and a sealing device is fixed between the outer wall of the hollow fiber and the air inlet hole. Adopting the membrane oxygenation, the membrane oxygenation type container for transporting aquatic living body can realize the bubble-free oxygen supply, improve the oxygen dissolving efficiency, ensure the waterbody oxygen dissolving degree during the transportation of the aquatic living bodies and provide the environment suitable for the aquatic living bodies to live, thereby greatly improving the survival rate of the aquatic living bodies.

The invention discloses a restoration device of a black and odorous water body. An aerator of the restoration device is mounted in a guide flow cylinder; a garbage filtering mechanism is mounted at a rear end of a support; an outer cover is mounted at an upper end of the support; a high-pressure vortex air pump is mounted in the outer cover; a medicine adding mechanism and a microorganism culturing mechanism are mounted on a lower part of the support; a discharging hole of the microorganism culturing mechanism is communicated with the medicine adding mechanism; a medicine outlet of the medicine adding mechanism is communicated with the flow guide cylinder. According to the restoration device of the black and odorous water body disclosed by the invention, suspended garbage in water can be removed, and the oxygen dissolution efficiency and the self-cleaning capability of the water body are improved; meanwhile, sterilization and algae removal effects on the black and odorous water body can be enhanced, so that the flocculating settling capability of the water body is promoted; in addition, due to the restoration device, domestication and addition of the microorganisms can be realized; additionally, when the high-pressure vortex air pump does not work, the restoration device can play an underwater stirring effect; by utilizing anaerobic microorganisms in the water body, the nitrogen removal capability is improved, and the improvement on a self-cleaning function of the water body such as river channels and lakes can be realized.

The invention discloses a system for efficiently carrying out oxygenation in finite space. The system comprises an aeration tank, wherein a plurality of guide plates are arranged in the aeration tank and divide the aeration tank into a plurality of areas; and different quantities of aerators are arranged in the plurality of areas respectively in a concentrated manner according to the oxygen dissolution requirements of the areas. The system is designed aiming at some defects of existing aeration systems in the actual operational processes and can be applied to aerobic biological treatment units of various industrial wastewater and domestic sewage. The problems of nonuniformity of aeration in aerobic tanks, low overall oxygen dissolution efficiency, accumulation of sludge in tanks, easiness in falloff, blockage and aging of the aerators, quickness in reduction of the oxygen utilization efficiency, inconvenience in management and maintenance, high cost, and the like in actual engineering are solved by adopting the system.

The present invention relates to a domestic sewage treatment method. Said method includes the following steps: firstly, respectively cultivating active sludge in the anaerobic pool and aerobic pool of sewage treatment system; feeding the domestic sewage into anaerobic pool to implement anaerobic phosphorus-releasing reaction, then feeding the domestic sewage into aerobic pool to implement aerobic phosphorus-absorbing reaction, then feeding the domestic sewage into precipitation pool to make precipitation to separate sludge from water, making the precipitated sludge back-return into anaerobic pool and making the residual sludge discharge from system, feeding the precipitated water into aerobic biological filtering pool to implement nitration reaction to make the discharged water meet discharge standard.

The invention discloses a method for treating acidic dye printing and dyeing wastewater, which belongs to the field of wastewater treatment. The method comprises the steps of (1) filtering collected acidic printing and dyeing wastewater through a screen, then enabling the acidic printing and dyeing wastewater to enter a regulation tank, and using alkali waste to regulate the pH value of the acidic printing and dyeing wastewater to be 6.0-8.0; (2) feeding anionic surfactants into the regulation tank, and performing aeration decoloring treatment through a micro-nano aeration device; (3) enabling wastewater after aeration decoloring treatment to flowing through a sepiolite device of immobilized catalysts from bottom to top, wherein chemical oxygen demand (COD) in processed outlet water is lower than 100mg / L, the chromaticity is lower than 40mg / L, and the COD and the chromaticity both reach level 1 emission standards in Discharge standard of water pollutant for dyeing and finishing of textile industry. By means of combination of the anionic surfactants and the micro-nano aeration device, the method performs the aeration decoloring treatment on the acidic dye printing and dyeing wastewater, and absorption-catalysis is performed through the sepiolite device of the immobilized catalysts to further reduce the COD content in the wastewater. The method has the advantages of being simple in process flow, small in floor area, remarkable in effect of treatment on the COD and the chromaticity in the acidic dye printing and dyeing wastewater, and the like.

The invention provides an ultrasonic algae removal device and comprises an energy supply device that is a wind-solar power generating device. The ultrasonic algae removal device also comprises a floater used for providing buoyancy. The wind-solar power generating device is arranged and fixed on the floater. An ultrasonic generating unit, an ultrasonic canister launcher, a subsurface flow aerator, a rectify unit and an intelligent control unit are respectively connected with the floater through steady fixed supports. An electromagnetic relay is controlled at a connection state when the electric energy in a power accumulator is lower than 80 percent of the total capacity so as to realize the charge of the power accumulator; ultrasonic wave is sent to a water body through the ultrasonic canister launcher; aeration is carried out by the subsurface flow aerator to the water body through the rectify unit. The intelligent control unit can be operated by a wireless communication way. The ultrasonic algae removal device with the energy supplied by wind-solar power, and a method of the invention not only can save energy and be environment-friendly, but also have simple installation and operation, requiring no cable and less protection, thereby being particularly applicable to medium and large rich nutritional water bodies where power transmission lines are difficult to reach.

The invention relates to a nano-micrometer fishpond aerator. The nano-micrometer fishpond aerator comprises an aerator body, the aerator body is divided into an aeration mechanism and a drainage mechanism, the aeration mechanism is mainly formed by connecting a nano-micrometer oxygen dissolver, an air pump and a water pump through pipes, and the drainage mechanism is formed by connecting drainage pipes through pipes. The oxygen dissolving efficiency of the nano-micrometer fishpond aerator is as high as 99%, the oxygen dissolving amount of a processed water body can reach 12.6 ppm to the maximum degree, the size of generated bubbles is small, the average diameter of the bubbles is 38 micrometers, the oxygen dynamic efficiency is greatly improved, the oxygen dynamic efficiency of the nano-micrometer fishpond aerator can reach 480 g / kw.h to the maximum degree, sufficient oxygen is kept in a fishpond, the death rate of fishes is decreased, manpower is reduced, and meanwhile energy consumption of the aerator body is reduced.

The invention discloses a water body oxygen-increasing circulation device with an auxiliary heating function, and belongs to the technical field of water for agriculture or cultivation. The water body oxygen-increasing circulation device with the auxiliary heating function comprises a water tank, a gas producing unit and a heating unit; a water supply pipe and a liquid outlet pipe are arranged at the side ends of the water tank correspondingly; the gas producing unit comprises an air compressor, a gas liquid mixed pressurizing dissolution tank, an ultrasonic cavitation device and a gas liquid rotating cylinder; the air compressor communicates with the gas liquid mixed pressurizing dissolution tank through a gas inlet pipe; a motor is arranged at the top end of the gas liquid rotating cylinder; the gas liquid mixed pressurizing dissolution tank communicates with the water tank through a water inlet pipe; a water pump I is arranged on the water inlet pipe; the gas liquid mixed pressurizing dissolution tank, the ultrasonic cavitation device and the gas liquid rotating cylinder communicate with one another sequentially through a pipeline I and a pipeline II; the gas liquid rotating cylinder communicates with the water tank through a water outlet pipe; and the heating unit comprises an electric heating wire positioned at the bottom of the water tank. The water body oxygen-increasing circulation device with the auxiliary heating function can meet double requirements of high yield and temperature rising of microbubble circulation, is high in oxygen-increasing efficiency, and can be applied to actual application production such as farm irrigation and aquaculture, or experimental research.

The present invention discloses a novel high-efficient deep water jetting aerating device, which comprises an aerating pool and a gas-liquid mixture pump. The gas-liquid mixture pump is arranged on the pool. A pipeline is arranged on the gas-liquid mixture pump, which is connected with an energy-storage room. The energy-storage room is arranged on the aerating pool. A jetting plate and a colliding plate are serially arranged on the energy-storage room. A plurality of jetting holes are respectively arranged on the jetting plate and the colliding plate. An emulsifying room is arranged between the jetting plate and the colliding plate. A feed tube, which is connected with the energy-storage room, is arranged on the lower part of the jetting colliding plate. The feed tube is deeply stretched into the aerating pool. An aerating head is arranged on the top end of the feed tube. The present invention is suitable for the disposing of the waste water.

The invention belongs to the field of aquaculture, in particular to a fishpond aerator based on the triboelectricity principle. The aerator comprises a floating seat, wherein a shell body is fixedly connected to the upper end of the floating seat through a supporting column; induction plates are fixedly connected to the upper top surface and the lower bottom surface of the shell body; upper friction plates and lower friction plates are respectively fixedly connected to opposite side walls of the two induction plates; silk cloth is adhered to the lower surface of the upper friction plate; fursare adhered to the lower friction plate; a sliding block is arranged in the shell body; the upper friction plate, the lower friction plate and the sliding block are all made of insulating materials; and a glass screen plate and a rubber screen plate are respectively fixedly connected to the upper end and the lower end of the sliding block. According to the device, the electric repulsion between each air fine bubble introduced into the fishpond can be realized, and thus the mutual combination of the air fine bubbles is inhibited, so that the formation of larger bubbles is inhibited, the contactarea between air and water is increased, and the oxygen dissolving efficiency is improved.

The invention relates to a production device for efficiently preparing trioxidized oil. The production device comprises an ozonized oil reaction tank, wherein the upper part of the ozonized oil reaction tank is provided with a feed port; the lower part of the ozonized oil reaction tank is provided with a view port and a material receiving port; the left side of the ozonized oil reaction tank is connected with a temperature controller and a cooling water pump; the cooling water pump is connected with a cooling water tank; the upper end of the ozonized oil reaction tank is connected with an automatic exhaust valve; and the automatic exhaust valve is connected with an ozonized tail gas destructor. The invention also relates to a method for efficiently preparing trioxidized oil. The method uses vegetable oil, and is characterized in that the vegetable oil is vegetable oil with high alpha-linolenic acid content and is composed of one or both of perilla oil and flaxseed oil. The method has the advantages of controllable ozone oxidization process and more thorough oxidization, implements large-scale industrial production, enhances the ozone utilization efficiency, and enhances the stability of the ozone oxidization product.

---- The invention discloses an aerobic fermentation tank, which mainly includes a fermentation tank body, a feed inlet, an air inlet, a material outlet and an exhaust outlet. A motor is arranged in the middle of the top of the fermentation tank body, and the motor is connected to a transmission rod. The transmission rod is connected to the rotatable air main pipe installed inside the fermentation tank. Several rotatable air branch pipes are evenly distributed on the rotatable air main pipe. Several air holes are evenly distributed on the rotatable air branch pipes. The air inlet is set through the fermentation tank body. The internal sterilizer is connected to the fixed air main. The beneficial effects of the present invention are as follows: through the rotation of the rotatable air main pipe and the rotatable air branch pipe, it plays the role of introducing air and stirring at the same time, reducing energy consumption, distributing air through air distribution holes, and improving the efficiency of dissolved oxygen; There is a sterilizer to remove germs in the gas; heat is provided by an electric heater to make the microorganisms reach a temperature suitable for metabolism.

The invention relates to a sewage treatment device and a sewage treatment method. The device comprises a housing, aerators arranged at the bottom of the housing, first deflectors, sludge hoppers, a water distribution channel, second deflectors, precipitate inclined plates, overflow tanks and clear water tanks. The two first deflectors perpendicular to the bottom of the housing sequentially divide the inner cavity of the housing into a first aerobic reaction zone, an anoxic reaction zone and a second aerobic reaction zone. When the device is working, sewage flows from a water outlet from the wall surface of the water distribution channel to the anoxic reaction zone, and then flows to the first and second aerobic reaction zones through the gaps between the first deflectors and the bottom of the housing; the sewage is aerated by the aerators; one part of the sewage is refluxed to the anoxic reaction zone from the upper parts of the first deflectors, and the other part flows into the sludge hoppers through deflector holes; after reaction precipitation, sewage is discharged from through holes at the tips of the sludge hoppers, and is circulated again; clear water flows through the precipitate inclined plates and is gradually overflown; the clear water is discharged to the clear water tanks through the overflow tanks, and is discharged to the outside. The device provided by the invention has the advantages of simple structure, convenient operation, regular flow pattern, high sludge concentration, high oxygen dissolution efficiency, low energy consumption, low construction cost, and low operation cost.