184 results about "High ozone" patented technology

The invention discloses an adjustable flat plate type ozone generating device and an adjusting method thereof. The adjustable flat plate type ozone generating device comprises an ozone generating assembly, a radial magnetic field adjusting assembly and an axial magnetic field adjusting assembly, the radial magnetic field adjusting assembly comprises a radial rail base and a spiral line base disc, a plurality of radial rails are arranged on the surface of the radial rail base at equal intervals in the circumferential direction, and magnets are arranged in the radial rails in a sliding mode. The axial magnetic field adjusting assembly comprises a base and an axial track, the radial track base is installed on the base, and the base is driven by a ball screw mechanism to move on the axial track in a reciprocating mode. By arranging the radial and axial adjustable magnetic fields, the motion trail and energy distribution of high-energy electrons in the discharge channel are optimized, the activity of ozone generation reaction is effectively enhanced, and the device can maintain high ozone output efficiency for a long time in actual operation due to the establishment of a magnetoelectric cooperative discharge environment; meanwhile, through a mechanical adjustment structure of the electrode spacing and area, discharge parameters can be optimized in real time according to different working condition changes, the fluctuation of ozone yield is remarkably reduced, and the continuity and stability of system operation are ensured.

The utility model relates to the field of gas-liquid mixing, and provides a bubble generator and an ozone aerator, the bubble generator comprises an inlet connecting end, an outlet connecting end and a throttler assembly, an inlet of the throttler assembly is detachably connected with the inlet connecting end, an outlet of the throttler assembly is detachably connected with the outlet connecting end, and the inlet connecting end is connected with the outlet connecting end. The throttler assembly comprises at least two sets of throttling holes and mixing chambers, and the throttling holes and the mixing chambers are alternately arranged in the direction from the inlet connecting end to the outlet connecting end. And the inner diameter of the throttling hole is continuously reduced. The utility model relates to a flow restrictor assembly, which is used for solving the defect of low inflation efficiency in the prior art, a gas-liquid mixed flow enters the flow restrictor assembly with a plurality of groups of throttling holes and a mixing chamber through an inlet connecting end, and the inner diameters of the plurality of groups of throttling holes are sequentially reduced to carry out multiple times of pressurization, gas dissolving, pressure reduction and gas release to obtain bubbles with smaller diameters, such as nano-scale bubbles. By arranging different groups of throttling holes and mixing chambers, the diameter of generated bubbles is adjusted, the adding efficiency of ozone and other gases is improved, and energy consumption is reduced.

The ozone gas-water mixing device comprises a main body, the two ends of the main body are used for being connected with a water inlet pipe and a water outlet pipe respectively, an ozone module for generating ozone is arranged in the main body, and a plurality of parallel ozone channels are arranged on the two sides, corresponding to the ozone module, in the main body respectively; the section of each ozone channel is of a U-shaped structure or a semicircular structure, the ozone channels are communicated with the ozone module, and the two ends of each ozone channel are connected with a water inlet pipe and a water outlet pipe respectively; the plurality of parallel ozone channels disperse water flow, insufficient mixing caused by too high local flow speed is avoided, and meanwhile, gas-liquid contact is further enhanced through fluid disturbance among the channels, so that ozone is fully mixed with water, and the dissolving efficiency of ozone in water is remarkably improved; the water flow passes through the interior of the main body, ozone generation and mixing of ozone and water are achieved in the water flowing process, continuous generation of ozone water can be achieved, and the mixing uniformity and the generation efficiency of ozone water are effectively improved.

The invention relates to the technical field of ozone control, in particular to a creeping discharge ozone control optimization method, which comprises the following steps: acquiring temperature, humidity, voltage and ozone concentration data based on a discharge device, performing proportion conversion and optimization, extracting trend characteristic factors, screening nodes according to relevance, and sequencing to obtain a creeping discharge ozone control model; the combined effect of electricity, temperature and humidity on ozone change is analyzed, the regulation and control unit is identified, and load distribution configuration is optimized. According to the invention, normalization processing is carried out on temperature, humidity, electrical and ozone concentration data collected in a region, a data linkage mechanism with temperature and humidity change as a core is constructed, node response performance is dynamically sequenced, and periodic data change is fused, so that a set of control flow for cooperatively adjusting temperature, humidity and electrical parameters is formed; real-time adjustment of partitioned loads and dynamic optimization of energy distribution are realized, agile response and multi-region difference matching capability of ozone generation regulation are brought, and the stability under ozone yield fluctuation is improved.

The invention provides an ozone flue gas denitration device and a denitration method thereof, and belongs to the technical field of flue gas denitration. The ozone flue gas denitration device comprises a denitration tank, a gas inlet pipe and an exhaust pipe, the gas inlet pipe and the exhaust pipe are installed on the side wall of the denitration tank, a pretreatment mechanism is installed in the denitration tank, and the pretreatment mechanism comprises a spray pipe, a filter plate and a rotating seat. By arranging the pretreatment mechanism, an alkaline solution can be injected into a spray pipe through a water pump and is sprayed into flue gas through a spray head, particle impurities in the flue gas are removed, acid gas such as sulfur dioxide in the flue gas can be effectively removed, the flue gas is humidified, favorable conditions are provided for a subsequent ozone reaction, and in the spraying process, the treatment efficiency is improved. The temperature of the flue gas is reduced while the humidity is increased, so that the reaction efficiency of ozone is improved, then a rotating seat and a scraper blade are driven by a first rotating shaft to rotate, and under the action of centrifugal force, particle impurities attached to the surface of a filter plate are thrown into a collecting bin to be collected, so that the device is convenient to use.

The invention discloses a gas-liquid reaction system. The gas-liquid reaction system comprises a wastewater pool, an ozone generator, an oxidation reaction tank and a first micro-interface generator located in the oxidation reaction tank. An inlet of the first micro-interface generator is communicated with the wastewater pool and the ozone generator, and an outlet of the first micro-interface generator is communicated with the inside of the oxidation reaction tank. Therefore, wastewater in the wastewater pool and ozone produced by the ozone generator can be simultaneously conveyed to the first micro-interface generator, the wastewater and the ozone oppositely run in the first micro-interface generator to crush and disperse the ozone into micron-sized ozone micro-bubbles, and the mass transfer area between the ozone micro-bubbles and the wastewater in the oxidation reaction tank can be increased by the ozone micro-bubbles; the oxidation reaction between the ozone and the wastewater is promoted, so that the utilization rate of the ozone is improved. As the oxidation reaction tank is communicated with the wastewater pool, unreacted ozone in the oxidation reaction tank can be conveyed into the wastewater pool to oxidize wastewater, so that the unreacted ozone is fully utilized, and zero emission of ozone is realized.

The invention provides ozone micro-fine air flotation equipment and a combined system overflow pollution treatment method, and relates to the field of sewage treatment.The main body equipment comprises a water pump, an ozone generator, an ozone booster pump, a dissolved air pipe type micro-bubble generator, a vertical shallow air cyclone flotation tank and an ozone tail gas destructor; the dissolved gas pipe type micro-bubble generator comprises a dissolved gas pipe, a conical-hopper-shaped hollow inner cylinder fixed in the dissolved gas pipe and a dissolved gas releaser, and the ozone generator is communicated with a gas phase inlet of the dissolved gas pipe through an ozone booster pump; an outer ring cavity is formed between the conical-hopper-shaped hollow inner cylinder and the inner wall of the gas dissolving pipe, a gas dissolving water outlet is formed in the bottom of the gas dissolving pipe, and the gas dissolving water outlet is communicated with the vertical shallow cyclone floating tank through a gas dissolving releaser. The vertical shallow-layer cyclone floating tank is composed of a tangential water inlet, a hollow inner cylinder, a shallow-layer inclined plate, a sludge discharge port, a water discharge port, an exhaust port and a slag discharge port. The device can improve the ozone dissolved gas mass transfer efficiency, realizes rapid and efficient sewage treatment, and has the advantages of convenience in operation and small occupied area.

The utility model discloses a graded depressurization and negative pressure stripping ozone reaction system, and belongs to the technical field of sewage treatment systems. The device comprises a first-stage catalytic oxidation tank, a second-stage ozone release tank and a third-stage negative pressure release and air stripping tank which are sequentially connected through pipelines, catalysts are arranged in the first-stage catalytic oxidation tank and the second-stage ozone release tank, and an aeration disc is arranged at the bottom of the third-stage negative pressure release and air stripping tank; and tail gas of the first-stage catalytic oxidation tank and the second-stage ozone release tank is controlled to be discharged by an electromagnetic valve, and enters an aeration disc in the third-stage negative pressure release and air stripping tank through a one-way valve. The tank body pressures of the first-stage catalytic oxidation tank, the second-stage ozone release tank and the third-stage negative pressure release and stripping tank are sequentially reduced. According to the utility model, ozone dissolved gas water releases ozone in batches in a graded pressure reduction manner, so that the ozone is efficiently utilized; air stripping is carried out under the negative pressure condition of the three-stage reaction tank, the denitrification effect is enhanced, front-end ozone tail gas is secondarily utilized, the ozone utilization rate is increased, and the COD removal effect is enhanced.

The utility model discloses a stacked plate-type ozone generator integrated box which comprises a supporting box body, a plurality of plates and a plurality of plates, the plurality of groups of ozone generating units are mounted on the partition plates in a one-to-one correspondence manner; each group of ozone generation unit comprises one or a plurality of stacked plate type ozone generation devices which are arranged side by side; the plurality of groups of cooling units are in one-to-one correspondence with the partition plates; each group of cooling units comprises cooling modules of which the number is consistent with that of the stacked plate type ozone generating devices; the cooling module comprises a water inlet pipe communicated with the stacked plate type ozone generator, a water outlet pipe communicated with the stacked plate type ozone generator, a cooling plate connected with the water outlet pipe and a water return pipe connected with the cooling plate; and an air guide unit. The ozone generator can increase the ozone output in a small space, and is compact in structure and reasonable in arrangement.

The application discloses a dispersion type light atomization device suitable for deep removal of perfluorinated compounds in tail water of a sewage plant and a use method, and the device comprises a reactor main body, an ultraviolet lamp group and an external system. The inner wall of the reactor main body is an aluminum film mirror surface with a protective layer; the top is provided with a rotary three-nozzle atomization nozzle; the top is provided with an air outlet pipe; the side of the main body is provided with an air inlet; the bottom is provided with a water tank, and the water tank is provided with a condensing system and a water outlet pipe below. The ultraviolet lamp group has two groups of upper and lower lamps, each group has three lamp tubes with a main wavelength of 185 nm and three lamp tubes with a main wavelength of 254 nm, and the lamp tubes are distributed at intervals, and an air stirrer is located on both sides of the lamp tubes; the two groups of lamp tubes are provided with a funnel-shaped reflection buffer. The external system has an atomization system and an air system. The application utilizes atomization and ultraviolet irradiation to manufacture a micro-ozone environment, so that the flow state operation is used to improve the ozone yield and the mass transfer efficiency of the ozone, the ozone manufacturing cost is reduced, the utilization rate of the ozone is improved, the removal rate of the perfluorinated compounds is enhanced, and the device has the advantages of small occupation area and convenient use.

This utility model discloses an ozone advanced oxidation tail gas recovery and utilization device, including an ozone tail gas inlet pipe and a primary purification tower and a secondary purification tower connected in sequence. The rear end of the secondary purification tower is connected to an ozone buffer tank. The primary and secondary purification towers are connected to the ozone tail gas inlet pipe through an ozone circulation pipe. Both the primary and secondary purification towers are connected to sodium hydroxide dosing tanks. This application uses a secondary ozone purification tower to purify the tail gas after ozone catalytic oxidation, recover and utilize the remaining ozone, improve ozone utilization rate, and reduce costs. At the same time, it absorbs the carbon dioxide after catalytic oxidation to produce a high-purity sodium carbonate solution for downstream use as a raw material, achieving waste resource recycling.

The invention relates to the field of wastewater treatment, in particular to an ozone microbubble and ultraviolet combined flotation tail water treatment method and device. The method comprises the following steps: flotation tail water continuously enters a treatment device from the bottom, high-concentration ozone generates micro-nano bubbles through a microporous aeration head at the bottom of the treatment device, the micro-nano bubbles are mixed with the flotation tail water in a turbulent flow manner, and the flotation tail water with gas and liquid fully mixed continuously rises to gradually submerge an ultraviolet generation tube arranged in the treatment device and above the microporous aeration head; the ultraviolet generating tube emits ultraviolet light to treat flotation tail water mixed with micro-nano bubbles, the treated water is discharged from one side of the top of the treatment device, and residual gas is discharged from an exhaust port of the treatment device. The oxidation efficiency is remarkably improved, the contact time is prolonged, the ozone mass transfer efficiency and the pollutant removal rate are improved, meanwhile, direct contact between the ultraviolet lamp and water is isolated, the problem of scaling of the ultraviolet lamp is effectively solved, the service life of the device is prolonged, and the treatment effect is improved.

The present application relates to the field of gas-liquid mixing, and provides a bubble generator and an ozone aerator, wherein the bubble generator comprises an inlet connecting end, an outlet connecting end and a throttler assembly, the inlet of the throttler assembly is detachably connected with the inlet connecting end, the outlet of the throttler assembly is detachably connected with the outlet connecting end, the throttler assembly comprises at least two groups of throttling holes and mixing chambers, and the throttling holes and the mixing chambers are alternately arranged in the direction from the inlet connecting end to the outlet connecting end; the inner diameter of the throttling hole continuously decreases. The present application solves the low aeration efficiency in the prior art, the gas-liquid mixed flow enters the throttler assembly with multiple groups of throttling holes and mixing chambers through the inlet connecting end, the inner diameter of the multiple groups of throttling holes decreases in sequence to carry out multiple times of pressurization, gas dissolution and pressure reduction, and smaller bubbles such as nanoscale bubbles are obtained, the diameter of the generated bubbles is adjusted by arranging different groups of throttling holes and mixing chambers, and the adding efficiency of ozone and other gases is improved, and energy consumption is reduced.

The application discloses a novel advanced oxidation device which comprises an outer shell, a gas-liquid mixing chamber, an ultrasonic atomization disc, an air inlet hole, a water inlet hole, an ozone generator, a UV reaction disc tube and the like. Through ultrasonic catalysis and ultraviolet light catalysis, O3 is excited to generate a large amount of higher oxidizing ·OH, the mixing degree and turbulence intensity of ozone and sewage are improved, the mass transfer coefficient is increased, the mass transfer rate of ozone is improved, four-stage oxidation reactions are carried out in one reactor, and thus the ozone oxidation efficiency and effect are greatly improved, the pollutants in the wastewater are subjected to intensified oxidation, and thus the pollutants in the wastewater are degraded and removed.

The present application belongs to the technical field of sewage treatment, and particularly relates to a system and method for island rainwater disinfection by using ultraviolet ozone and micro-bubbles. The present application improves the process technology by using ultraviolet and ozone combined disinfection technology, and introduces micro-bubble technology as an auxiliary aeration method. This is because the combination of ultraviolet and ozone generates a large amount of active oxygen species, and the presence of micro-bubbles not only improves the mass transfer efficiency of ozone itself, but also increases the yield of active free radicals to strengthen the sterilization effect. The method has a high removal effect on pathogenic bacteria in water. The addition of ozone avoids the incomplete disinfection of ultraviolet disinfection, and the addition of micro-bubbles increases the yield of active oxygen species in water, thereby improving the overall disinfection effect. In addition, the method of generating ozone by irradiating oxygen with ultraviolet light saves the cost and management effort of ozone generators and ozone eliminators and other equipment, which makes the required equipment small in size and suitable for island environment.

The application discloses an ozone transmission system, a control method and a control device thereof. The ozone transmission system comprises an ozone generation unit, a detection unit and a pressure flow control unit. The ozone generation unit is used for providing ozone. The detection unit is used for detecting the ozone concentration between the ozone generation unit and the pressure flow control unit. The input end of the pressure flow control unit is connected with the detection unit, and the output end is connected with multiple output environments with different air pressure states. According to the actual air pressure of the connected output environment and the ozone concentration between the ozone generation unit and the pressure flow control unit, the ozone flow provided by the ozone generation unit is adjusted, so that the ozone concentration output to the connected output environment is stabilized at a preset target concentration. Through the ozone transmission system, when the air pressure fluctuates in the output environment, the ozone concentration in the ozone generator can be quickly adjusted, the concentration fluctuation range is reduced, the concentration adjustment and stabilization time is shortened, and the stability of the ozone supply concentration is improved.

The invention discloses a regional ozone extreme event identification method and device. The method comprises the following steps: correcting hour-by-hour near-surface ozone remote sensing image data according to historical hour-by-hour air quality site observation data in a research area to obtain hour-by-hour corrected near-surface ozone image data; constructing a day-by-day ozone binary image according to the hour-by-hour corrected near-surface ozone image data; carrying out 8-connected region analysis on the day-by-day ozone binary image, and identifying and extracting a daily high-ozone region in spatial communication; selecting candidate ozone events according to the high-ozone areas with space communication every day; and for all the combined candidate ozone events, candidate events with duration time greater than or equal to a preset number of days are reserved, screening is performed again according to an area threshold, candidate events meeting at least one preset condition in a maximum single-day area or an accumulated total area are reserved, and a final ozone extreme event set is formed.

To provide an ozone water making apparatus enhanced in electrolytic efficiency on an anode side and enhanced in the making efficiency of ozone water.SOLUTION: The ozone water generator is provided with a cathode 104, a cation exchange membrane 106 permeating cations, an anode 108, and a porous cation exchange membrane layer 107 arranged between the cation exchange membrane 106 and the anode 108 and having a water passage 112 of a porous structure. The anode 108 is: The anode 108 has a plurality of slits.SELECTED DRAWING: Figure 1

This invention relates to a circuit board for an ozone generator with frequency tracking functionality. The circuit board includes a frequency tracking circuit comprising an RC oscillation unit, an LC resonant unit, a current sampling unit, a comparison control unit, a voltage divider bias unit, and a frequency limiting protection unit. The LC resonant unit includes a resonant inductor T1 and a resonant capacitor C1, used to drive the ozone sensor. The current sampling unit includes a sampling resistor R8 connected in series in the LC resonant circuit, used to acquire the circuit current signal. The comparison control unit includes a comparator U1, a transistor Q1, a rectifier diode D2, and a filter capacitor C3. The voltage signal from the sampling resistor R8 is rectified by D2 and filtered by C3 before being input to the inverting input of U1. The voltage divider bias unit includes resistors R3 and R6. The RC oscillation unit is connected to the transistor Q1. This invention can adapt to capacitance changes during ozone sensor power-on and operation, automatically tracking the frequency and achieving resonance, while ensuring stable output power, extending device lifespan, and improving ozone generation efficiency and overall reliability.

The invention relates to the technical field of water treatment, in particular to an on-line accurate adding small-scale test device for an intelligent ozone system, which comprises an ozone contact reaction tank provided with a water inlet pipe orifice for inputting water; the ozone preparation mechanism is used for preparing ozone with preset concentration; the precise adding mechanism is connected with the ozone preparation mechanism and the ozone contact reaction tank and is used for inputting ozone with a preset concentration into the ozone contact reaction tank to be mixed with the water body in the ozone contact reaction tank; the tail gas treatment mechanism is connected with the ozone contact reaction tank and is used for treating ozone in the tail gas discharged by the ozone contact reaction tank. A Venturi negative pressure dosing principle is adopted, water in the ozone contact reaction tank is circularly treated, the reaction effect of ozone and the water is improved, an ozone gas production concentration meter and a mass flow controller are arranged, and small-gas-amount accurate dosing is achieved.

The utility model discloses a plate type ozone generator support structure, apply in the field of ozone generator, solved the ceramic sheet of current ozone generator work process easy vibration damage and led to ozone preparation process unreliable technical problem, its technical scheme main point is that the shell aluminum sheet and ceramic sheet, be equipped with the ionization groove that supplies ceramic sheet inlaying on the shell aluminum sheet, still be equipped with the air inlet groove, the air outlet groove, the water inlet hole and the drain hole on the shell aluminum sheet, its characterized in that: be equipped with the polytetrafluoroethylene support elastic piece between the shell aluminum sheet and ceramic sheet, the one side of ceramic sheet is equipped with high -voltage anode silver layer close to ionization groove, the both ends of ionization groove are equipped with air inlet transverse groove and air outlet transverse groove respectively, air inlet transverse groove communicates with air inlet groove, the air outlet groove communicates with air outlet transverse groove, and the ionization groove groove bottom between air inlet transverse groove and air outlet transverse groove evenly is equipped with multichannel strip inlay groove, has improved ozone generator device work process stable reliable technical effect.

The utility model relates to the field of ozone generating devices, in particular to an ozone device adopting a micro-gap discharge technology, and adopts the technical scheme that the ozone device adopting the micro-gap discharge technology comprises a shell, a titanium alloy stainless steel tube, an inner electrode, a dielectric glass tube, an outer electrode, an aluminum alloy radiating fin, a sliding table, a driving assembly, a cooling assembly and a lifting assembly, a sliding table is arranged in the shell, a hole groove matched with the inner electrode is formed in the sliding table, a corrugated oxygen conveying pipe is inserted into the sliding table, a driving assembly is installed in the shell, a cooling assembly is installed on the shell, and a lifting assembly is arranged at the bottom end of the shell; the sliding table connected with the corrugated oxygen injection pipe is additionally arranged in an existing ozone generating device, the driving assembly provides power for movement of the sliding table, the sliding table moves back and forth in the shell, the oxygen injection pipe is driven to move forwards in the moving process, the size of the cavity is changed, and the oxygen injection pipe is driven to move forwards. Therefore, the remaining cavity can be more quickly filled with oxygen, and the generation efficiency of ozone is improved.

The utility model discloses a high-concentration-density ozone mixing system. The high-concentration-density ozone mixing system comprises a mixing barrel, a cover body, an adjusting part and a gas injection part, the interior of the mixing barrel is hollowed to form a mixing area. The gap between the adjusting part and the inner wall of the mixing area is changed by rotating the adjusting part, and the water flow discharging speed is controlled. According to the high-concentration-density ozone mixing system, water is injected into the mixing barrel, ozone is injected into the mixing barrel at the same time, so that the ozone is injected from the water and makes full contact with the water, the water flow discharging speed can be changed by rotating the adjusting part, the mixing time of the water staying in the mixing barrel and the ozone is prolonged, and the mixing efficiency of the ozone and the water is improved.

In order to solve the problem of integrated design of an air pump and an ozone generator or a negative ion generator, the scheme is that a pump body is of a double-cavity structure composed of a pressure gas generating cavity and a pressure gas processing cavity, and an ozone generating plate or the negative ion generator is fixedly supported in the pressure gas processing cavity. The air purifier has the beneficial effects of simple structure, small overall size, low working noise, low cost, high ozone or / and negative ion generation efficiency and wide application range. The device can be widely used for cleaning, sterilizing and detoxifying pesticide residues on the surfaces of fruits and vegetables and purifying and sterilizing air in local space. The device is especially suitable for purification and oxygenation of indoor aquarium fish, aquatic plants and water, and purification, sterilization and treatment of ammonia nitrogen substances in water.

The invention relates to the technical field of sewage treatment, in particular to a sewage pump with ozone purification, which comprises a mounting table, a pump body and a purification cylinder, and a plurality of guide plates are uniformly distributed in the purification cylinder in the circumferential direction; a strip-shaped discharge groove is formed in the flow guide plate; a plurality of frame bodies are arranged in the circumferential direction below the flow guide plate; according to the sewage pump with the ozone purification function, in the sewage purification process, the frame body is driven to drive the cutting net to rotate so as to cut and crush polymerized suspended solids in sewage discharged from the discharging groove, so that the ozone sewage purification effect is improved, the polymerized suspended solids in the sewage can form large particles or blocks, and the particles or blocks are separated from the sewage. A large number of organic matters and microorganisms are wrapped in the block masses, so that ozone is difficult to permeate into the block masses for oxygenolysis, and meanwhile, suspended matters are rotationally cut and broken through the cutting net and are decomposed into smaller particles, so that the specific surface area of the suspended matters is increased, and the ozone can be in full contact with the suspended matters.

The invention discloses a bleaching method of low-concentration paper pulp, which comprises the following steps: 1) adjusting the pH value of the low-concentration paper pulp to 2.0-4.0, adding a viscosity protective agent, transferring into a low-pressure ozone adding device, and introducing normal-pressure ozone to obtain ozone-containing low-concentration paper pulp; and 2) transferring the ozone-containing low-concentration paper pulp into a turbulent flow type high-shear mixer for fully mixing the paper pulp and ozone, then transferring into an up-flow ozone reaction tower for bleaching reaction, and then transferring into a steam-water separator for steam-water separation to obtain bleached paper pulp and residual ozone. The bleaching method of the low-concentration paper pulp has the advantages of simplicity and convenience in operation, simple equipment, good bleaching effect, high ozone utilization efficiency, small influence on the viscosity of the paper pulp and the like, is suitable for bleaching paper pulp formed by cooking wood and grass raw materials and paper pulp subjected to oxygen delignification treatment, and is suitable for large-scale industrial application.

The invention discloses a method and a system for identifying an ozone generation high-value region, and relates to the technical field of environment monitoring. The method comprises the following steps: acquiring a historical ozone content detection statistical data sequence in an area to be identified, dividing ozone content interval states, defining a temperature state, a relative humidity state, a wind speed state and a boundary layer height state, and classifying the acquired ozone content detection statistical data sequence according to various states corresponding to data measurement; and according to the classified ozone content data sequence, calculating the state transition probability and the state transition probability matrix of the ozone content in the to-be-identified region, and obtaining an ozone content predicted value at the next moment by utilizing the generated state transition probability matrix according to the obtained data. According to the method, the ozone generation high-value region in the to-be-recognized region is recognized according to the obtained predicted value, the change trend of the ozone content in the detection region can be monitored by using the conventional state parameters, and the timeliness of recognition of the ozone generation high-value region is improved.

The invention relates to a preparation method of a copper oxide catalyst and application of the copper oxide catalyst in catalytic decomposition of ozone, and belongs to the technical field of catalytic decomposition of gaseous pollutants and environmental protection. The preparation method comprises the following steps: dissolving cupric acetate monohydrate in deionized water to obtain a first solution; dissolving a pH regulator in deionized water to obtain a second solution; dropwise adding the second solution into the first solution, controlling the pH value of the reaction solution, and stirring at normal temperature to obtain a suspension; centrifuging the suspension, washing the obtained precipitate with deionized water until the filtrate is neutral, carrying out suction filtration, collecting a solid phase, and finally drying to obtain a copper oxide precursor; and calcining the copper oxide precursor in an air atmosphere, collecting a solid phase, and sieving to obtain the mesoporous nanosheet copper oxide. The copper oxide is used as an ozone decomposition catalyst, ozone can be efficiently and catalytically decomposed under the conditions of high ozone concentration, high mass space velocity and wide humidity range, and high activity and stability of ozone removal under the high humidity condition are achieved.

The utility model discloses an ozone generator, which comprises an outer shell, an ozone generator and an ozone generator, the plurality of discharge units are arranged in the accommodating cavity in parallel; the discharge unit comprises a high-voltage electrode plate; the dielectric plate is attached to the surface of the high-voltage electrode plate; the cooling plate is arranged on the side, away from the high-voltage electrode plate, of the dielectric plate; the grounding electrode plate piece is attached to the side, close to the dielectric plate piece, of the cooling plate piece; the gasket is arranged between the grounding electrode plate piece and the dielectric plate piece; the gasket is of a spiral structure, and the gasket, the dielectric plate and the grounding electrode plate jointly define a spiral discharge air gap; through holes are formed in the positions, corresponding to the ozone outlet end, of the high-voltage electrode plate, the dielectric plate, the cooling plate and the grounding electrode plate, and the multiple through holes are sequentially communicated to form an ozone discharge channel. The spiral dielectric barrier discharge air gap is defined by the grounding electrode plate piece, the gasket and the dielectric plate piece, so that the oxygen ionization time can be prolonged, and the ozone generation efficiency can be improved.

The invention relates to the technical field of molecular sieves, and discloses a special molecular sieve for separating ozone from oxygen in a PSA (Pressure Swing Adsorption) mode, the molecular sieve can resist ozone and has strong oxidizing property, has strong adsorbability to ozone under certain pressure and does not adsorb oxygen; the molecular sieve components comprise silicon dioxide, aluminum oxide, a composite metal oxide and silicate, and the composite metal oxide is composed of a transition metal oxide and a rare earth metal oxide; the special molecular sieve prepared by the invention can obviously improve the separation efficiency of ozone. Through unique component matching, by controlling the proportion of silicon dioxide, aluminum oxide, composite metal oxide and silicate and matching with a special crystal structure, the material has extremely high adsorbability to ozone under a certain pressure, but hardly adsorbs oxygen, which means that in practical application, the material can be used for preparing a novel material. High-concentration ozone can be obtained with low energy consumption and cost, and the use efficiency of ozone in various industries is greatly improved.