1458 results about "Reaction zone" patented technology

The invention provides a method for constructing a thickened flame surface model of hydrogen turbulent combustion, which belongs to the technical field of hydrogen fuel engines, and specifically comprises the following steps: modeling a diffusion enhancement effect and a flame surface wrinkle effect caused by multi-scale turbulent flow by constructing a hydrogen fuel turbulent flame speed scale rate under a wide working condition; and the combustion process of the hydrogen fuel can be described more accurately. In addition, on the basis of a thin reaction zone combustion mode, key physical quantities are extracted, a combustion efficiency function is optimized, multi-scale turbulence and a difference diffusion effect are considered, and the thickened flame surface model is further perfected. The development of the method provides powerful technical support for the forward design of the hydrogen fuel engine based on numerical simulation, promotes the engineering application of the hydrogen fuel engine, and assists the hydrogen fuel engine to play a greater role in efficient, clean and safe energy transformation.

The invention provides an electrochemical active oxygen supply device for a washing machine and a preparation method. The device comprises a shell, a single closed reaction chamber is formed in the shell, a bifunctional anode electrode and a bifunctional cathode electrode are integrated in the reaction chamber, and a compact and uniform reaction area is formed between the anode electrode and the cathode electrode. When water flows through the reaction area, hydrogen peroxide (H2O2) and / or hydroxyl radicals (OH) are / is electrochemically generated on the surface in situ by accurately adjusting the electrode potential of the difunctional anode, so that instant generation and instant utilization of active oxygen are realized. The active oxygen directly enters a washing system of the washing machine along with water flow, bacteria, viruses and fungi can be efficiently inactivated under the normal-temperature or low-temperature washing condition without additionally adding chemical disinfectants, organic stains and peculiar smell molecules are synchronously degraded, and green, efficient and intelligent healthy washing is achieved.

The application discloses a pollution-preventing detection device, method and application for rapid detection of nucleic acid amplification, which comprises a detection part and a mixed reaction cabin, and the mixed reaction cabin comprises a reaction cabin main body and a reaction cabin cover which is in sealed connection with the reaction cabin main body and can be detached; a channel for connecting a hybridization liquid containing part and a mixed reaction part is arranged between the reaction cabin cover and the reaction cabin main body; the detection part comprises a detection inner core and a detection box body containing the detection inner core; a transparent observation window is arranged on the detection box body and corresponds to the reaction area position of the detection inner core; a flow guide device matched with the mixed reaction cabin is further arranged on the detection box body; the flow guide device comprises a flow guide pipe and a flow guide part; one end of the flow guide part is connected with the flow guide pipe, and the other end is connected with the detection inner core; the hybridization liquid and the sample mixed liquid are guided to the detection inner core; and the detection inner core displays the final detection result in the area corresponding to the transparent observation window. The application realizes that the liquid in the reaction tube flows out to the designated detection card in a completely closed environment, and has the advantages of good sealing effect and prevention of primer aerosol pollution.

The invention relates to the technical field of reactors, and discloses a uniform gas-liquid distribution suspended bed reactor for heavy oil hydrogenation, which comprises a reactor shell, a gas-liquid distribution disc is horizontally arranged at the lower end of an inner cavity of the reactor shell, a Venturi annular gas-liquid diffuser is arranged on the gas-liquid distribution disc, and a pre-distribution chamber is formed at the bottom of the gas-liquid distribution disc; the Venturi annular gas-liquid diffuser comprises an outer gas guide pipe arranged on the gas-liquid distribution disc in a penetrating mode. According to the Venturi annular gas-liquid diffuser, through the synergistic effect of a liquid-phase flow annular nozzle and a gas-phase flow annular nozzle, a liquid phase sprayed out at a high speed is actively sheared and broken relative to a low-speed gas phase, and uniform small bubble groups can be generated, so that the gas-liquid contact area is greatly increased; the dissolution rate and the mass transfer efficiency of the hydrogen into the heavy oil are remarkably improved, so that the hydrogenation reaction depth and the product quality are directly improved, and meanwhile, the catalyst in a catalyst suspended bed reaction zone is effectively protected.

A flow field assembly for a fuel cell includes a flow field plate and a sealing member. A sealing member is disposed on the first side of the flow field plate and defines at least one bypass channel. The at least one bypass channel is configured to partially divert the reaction fluid from the inlet port of the flow field plate into a selected region of the reaction zone to cause the diverted portion of the reaction fluid to mix with the undiverted portion of the reaction fluid in the selected region such that the diverted portion of the reaction fluid is less than the undiverted portion of the reaction fluid in the selected region than in the absence of the at least one bypass channel. And the distribution uniformity of the reaction fluid on the reaction area is improved. The utility model also provides a fuel cell unit comprising the flow field assembly. According to the flow field assembly provided by the invention, the distribution uniformity of the current density can be improved by improving the distribution uniformity of the reaction fluid on the reaction region, so that reliable and efficient operation of the fuel cell unit is ensured.

The invention relates to a fluidized bed reaction system for a silicon-carbon negative electrode material. The silicon-carbon negative electrode material fluidized bed reaction system comprises a drying tank, a fluidized bed reactor and a discharge tank, the drying tank is provided with a material cavity, and the drying tank can dry materials in the material cavity and can also convey replacement gas into the material cavity to replace gas in the material cavity; the fluidized bed reactor is internally provided with a gas-solid separation area, a reaction area and an initial fluidization area which are sequentially arranged from top to bottom, and the reaction area is communicated with the material cavity so as to receive the dried materials; the discharge tank is provided with a dust removal cavity, the dust removal cavity is communicated with the gas-solid separation area through a discharge pipeline, the discharge pipeline is provided with a blasting assembly, and when the pressure in the fluidized bed reactor exceeds a first preset value, the blasting assembly can be broken to release gas in the fluidized bed reactor; meanwhile, powder in the fluidized bed reactor can be discharged into the washing liquid in the dust removal cavity through the discharge pipeline.

The utility model discloses a device for treating wastewater containing hexavalent chromium ions, which comprises an anode reaction zone, a cathode reaction zone, a buffer zone, an electrocoagulation reaction zone and an inclined tube settling zone which are communicated in sequence, a suspended partition plate is arranged between the anode reaction zone and the cathode reaction zone, a graphite plate array is arranged in the anode reaction zone, and the graphite plate array is arranged in the inclined tube settling zone. A porous carbon material is arranged in the cathode reaction zone, the cathode reaction zone is communicated with the buffer zone, the buffer zone is communicated with the electrocoagulation reaction zone, an iron pole plate array is suspended in the electrocoagulation reaction zone, the electrocoagulation reaction zone is communicated with the inclined tube settling zone, and the inclined tube settling zone is communicated with the inclined tube settling zone. And an inclined tube is suspended in the inclined tube settling region. According to the utility model, hexavalent chromium ions in water can be removed by only using electricity and a small amount of iron element, reducing agent chemicals and acid and alkali agents used for treating hexavalent chromium in the traditional process are greatly reduced, and the salt content of effluent is far lower than that of the traditional treatment process.

The invention discloses an explosive production wastewater pretreatment device and relates to the technical field of wastewater treatment.The explosive production wastewater pretreatment device comprises a flotation tank and a control device, a partition plate is arranged in the flotation tank and divides the interior of the flotation tank into a reaction area and a flotation area, a partition block is arranged in the flotation tank, and the partition block and the inner surface of the side, away from the partition plate, of the flotation tank form a slag receiving area; the conveying mechanism is used for conveying wastewater and additives to the reaction area; the exhaust mechanism is used for discharging small bubbles into the flotation area; the scum scraping mechanism is used for discharging floating scum floating from the flotation area to the scum receiving area; and the cleaning mechanism is used for cleaning the scum attached to the scum scraping mechanism. Through the arrangement of the cleaning mechanism, after the scum scraping mechanism scrapes scum of the flotation area to the scum receiving area, the cleaning plate in the cleaning mechanism can automatically clean scum attached to the surface of the scum scraping soft plate in the scum scraping mechanism, and the scum attached to the surface of the scum scraping soft plate is prevented from entering the flotation area again; and the wastewater treatment effect of the device is improved.

The invention relates to the technical field of superfine molybdenum powder preparation, in particular to a preparation device and method for low-oxygen superfine molybdenum powder. The specific preparation device comprises a sublimation bin, a reaction area and a gas-solid separation bin which are sequentially connected, the reaction zone comprises a preheating zone, a reduction zone and a conversion zone; a part of the hydrogen pipeline and a part of the carbon monoxide pipeline are arranged in the preheating area; one end of the hydrogen pipeline extends to the reduction area and is used for providing preheated hydrogen and carrying out gas-phase reduction reaction on the preheated hydrogen and the gas-phase MoO3 subjected to heat preservation; one end of the carbon monoxide pipeline extends to the conversion area and is used for providing preheated carbon monoxide and reacting with water vapor to complete primary water vapor conversion; meanwhile, partial carbon monoxide is subjected to a disproportionation reaction to generate micro carbon powder, and the micro carbon powder and water vapor are subjected to a water gas reaction to complete secondary water vapor conversion. The problem that the oxygen content of existing superfine molybdenum powder prepared through gas-phase molybdenum trioxide reduction is too high is solved.

The invention discloses an online pre-column derivatization coupled liquid chromatography-mass spectrometry amino acid detection method, and relates to the technical field of analysis and detection, and the method comprises the following steps: obtaining a to-be-detected sample, and carrying out protein hydrolysis treatment to obtain hydrolysate; mixing the hydrolysate with a derivatization reagent, carrying out on-line derivatization reaction through multiple sections of reaction zones which are connected in series, and maintaining different pH environments in the reaction zones; an online detection unit is arranged at an outlet of the reaction zone to monitor the concentration of derivative products and adjust reaction conditions in real time; performing chromatographic separation on the derivative reaction liquid; switching an ion source ionization polarity mode according to an elution time window to carry out mass spectrometry detection; and substituting the mass spectrum response signal into the standard curve to calculate the amino acid concentration value. The method realizes automatic derivation and high-sensitivity detection of amino acid, and has the advantages of simplicity and convenience in operation, controllable reaction conditions and high detection efficiency.

The invention discloses an immersed rotating packed bed combined coil device and method for reactive extraction, and the combined coil device comprises a shell, a liquid inlet, a sealing assembly, a liquid premixing pipe, a packing assembly, a heat exchange jacket, a liquid emptying port, a liquid outlet and a spiral coil assembly; according to the device, a reactor cavity is completely filled with liquid, so that an immersed reaction environment is formed; and a strong shearing effect is generated by utilizing the supergravity silk screen filler, so that rapid heterogeneous mixing is realized, and the reaction selectivity is improved. Meanwhile, a supergravity reaction area and a coil flow area are combined into a whole, the spiral coil can repeatedly change the flow direction and form vortex to realize continuous flow of the material and maintain the dispersion state of liquid drops, and the retention time of the material is flexibly regulated and controlled by adjusting the length of the coil, so that the reaction conversion rate is remarkably improved.

The invention discloses piezoelectric catalysis-Fenton self-coupling staged underground water treatment equipment, and relates to the technical field of underground water pollution abatement, the piezoelectric catalysis-Fenton self-coupling staged underground water treatment equipment comprises a reactor main body, a piezoelectric-aeration water treatment module and a PVDF-HFP piezoelectric film array, the piezoelectric-aeration water treatment module is fixedly arranged in a piezoelectric-aeration catalysis reaction zone, and the PVDF-HFP piezoelectric film array is fixedly arranged in the reactor main body; the PVDF-HFP piezoelectric film array is fixedly arranged in the Fenton-piezoelectric catalysis enhanced reaction zone; the piezoelectric-aeration water treatment module comprises a micro-nano bubble generator, a micro-nano diaphragm and a piezoelectric composite filler, a filler containing cavity is formed between the micro-nano bubble generator and the micro-nano diaphragm, and the piezoelectric composite filler is filled in the filler containing cavity; the micro-nano bubble generator is connected with the dissolved air pump through a first air inlet pipe; and a Fenton filler is loaded on the surface of the PVDF-HFP piezoelectric film array. According to the invention, high-efficiency and low-consumption remediation and treatment of the water body can be realized in an underground water environment.

Plasma generators and methods for reforming hydrocarbon feedstocks are disclosed. A hydrocarbon feedstock is fed into the reactor. An electrode and a microwave generator form and sustain a plasma in a first reaction zone. The plasma is propagated to a second, downstream, reaction zone where it reforms the feedstock into a hydrogen product and a carbonaceous byproduct. The carbonaceous byproduct is entrained or otherwise directed by flow elements of the reactor toward the electrode. A second microwave generator directs microwaves to the entrained carbonaceous byproduct, heating the byproduct and in turn the feedstock. Selectively heating the feedstock before reforming in the second reaction zone improves efficiency, performance, and yield of the reactor.

The invention discloses an integrated hydrogen-ammonia engine tail gas nitrogen pollutant thermocatalytic conversion device, and relates to the technical field of hydrogen-ammonia engine tail gas treatment, the integrated hydrogen-ammonia engine tail gas nitrogen pollutant thermocatalytic conversion device comprises a shell and an electric control unit; the shell comprises a component detection device, an electric heating type mixing plate, a urea solution spraying device, a temperature monitoring device, a purification device and an electric control unit; the purification device comprises a two-section type structure, namely a first-section SCR reaction area and a second-section ASC-NDC integration area; the electric control unit is electrically connected with each electric component; according to the invention, sequencing optimization and integrated design of hydrogen-ammonia engine parts are realized, and the requirements of triple-effect collaborative purification of nitrogen pollutants, high efficiency, energy conservation and stable operation under all working conditions are met.

The present application discloses coal seam natural gas decarburization hydrogen production process and automation control system, relates to hydrogen production technical field, and decarburization hydrogen production unit includes: reactor including reaction zone, reaction zone is equipped with reaction tank; The present application adds the catalyst of setting amount to the reaction tank through the feeding part, improves the natural gas hydrogen production efficiency; A plurality of natural gas inlets which are communicated with the reaction tank are arranged on the reaction tank, and the rate that the natural gas enters the reaction tank and begins to contact and react with the catalyst is accelerated; The reaction tank is uniformly provided with a plurality of natural gas inlets, which makes the natural gas hydrogen production reaction can be fully catalyzed; The first valve is independently arranged between the first valve, and the controller can change the adjustment parameter of the first valve, which makes the catalyst in the reaction tank and the appropriate natural gas in the unit time carry out efficient and sufficient reaction, and the hydrogen production efficiency of natural gas in the present application is improved again.

The invention relates to a multi-airflow alternating temperature calcining device for ultra-long nitride single crystal nanofibers. The multi-airflow alternating temperature calcining device comprises a reaction furnace; the mechanical vacuum pressure gauge and the exhaust port are arranged at the top of the reaction furnace; the reaction furnace chamber is arranged in the reaction furnace; the multi-reaction-zone graphite furnace body is arranged in the reaction furnace chamber and comprises a first low-temperature zone, a second high-temperature zone and a third low-temperature zone which are sequentially arranged from bottom to top and are not in contact with one another; the electromagnetic heating controller is arranged on the periphery of the multi-reaction-area graphite furnace body; the graphite boat is movably arranged in the multi-reaction-area graphite furnace body; the movable alumina crucible is arranged in the graphite boat; the graphite columns are arranged at the top and the bottom of the multi-reaction-zone graphite furnace body; the hydraulic cylinder is connected with the graphite column; and a control assembly. Compared with the prior art, the method has the advantages that the nitridation reaction process can be accurately controlled, the fiber quality and the crystal integrity can be improved, and independent and accurate temperature control can be realized.

The invention relates to an organic combined polluted underground water in-situ remediation method based on a micro-nano iron-based material. The method comprises the following steps: acquiring underground water pollution information; establishing a composite reaction zone at a preset position, and constructing a reduction-oxidation chain reaction system; and operating the composite reaction zone, collecting monitoring data, and optimizing the composite reaction zone until the composite pollution is degraded and removed to a preset value. Through series reaction of powerful reduction of the micro-nano iron-based material and advanced oxidation of the iron-based activated persulfate, the performance of the micro-nano iron-based material serving as a strong reduction material and an active agent is fully played, pollutants such as halogenated hydrocarbon in underground water are sequentially subjected to reduction degradation, pollutants such as benzene series and volatile phenol are sequentially subjected to oxidative degradation, and the pollution to the underground water is reduced. Effective management and control of underground water combined pollution of medical and chemical parks and enterprises are realized; a monitoring well is configured based on a composite reaction zone, and remediation materials are discontinuously added in combination with management and control conditions, or other management and control materials are flexibly selected, so that long-term management and control of groundwater pollution risks are realized.

The invention relates to an intelligent water purification method and system based on water quality analysis, and relates to the technical field of water treatment.The method comprises the steps that raw water detection turbidity and raw water unit flow are obtained; determining a basic flocculating agent dosage according to the detected turbidity of the raw water and the unit flow of the raw water, and adding a flocculating agent with the basic flocculating agent dosage into the reaction zone; obtaining a detection flocculation particle size and post-water detection turbidity in the reaction zone; constructing a historical interval, determining condition similar parameters of each time point in the historical interval according to the current raw water detection turbidity, the raw water unit flow and the detected flocculation particle size, defining the time point corresponding to the maximum condition similar parameter as a similar time point, and obtaining similar detection turbidity according to the similar time point; determining a detection deviation turbidity according to the post-water detection turbidity and the similar detection turbidity; and outputting a device abnormal signal when the detected deviation turbidity is not within the allowable deviation range. The water purification device has the function of improving the treatment effect of water purification operation.

The invention relates to a method for constructing polyurethane molecular models with different crosslinking uniformity degrees, and belongs to the technical field of molecular dynamics simulation. According to the method, an initial amorphous structure is constructed through Packmol and Lammpps software, dynamic relaxation is carried out, a Python script is combined to simulate cross-linking reactions of isocyanate and polyol in different space lattices, the cross-linking cutoff distance and a reaction area are controlled, and regulation and control of the local cross-linking degree are achieved. According to the method, the average crosslinking degree and the crosslinking distribution uniformity coefficient can be calculated, the spatial non-uniformity of a crosslinking network can be quantitatively described, the method is suitable for researching the influence of factors such as high temperature, nano filler introduction or non-uniform mixing of a reaction system and the like on the structural performance of polyurethane, and the technical blank in the aspect of non-uniform crosslinking model construction is filled.

A method and system for carrying out non-thermal plasma direct reduction of ore ultrafines into resource material are described. In particular, the present invention is directed to a method for direct reduction of ultrafines using an integrated system including an ultrafines source and a non-thermal plasma source. The method includes delivering ultrafines to a reduction reaction zone; and applying, within the reduction reaction zone, a non-thermal plasma to the ultrafines.

The application discloses a method suitable for hydrogen production in situ in an oil reservoir underground, and belongs to the technical field of oil and gas development. The method comprises the following steps: arranging three horizontal wells, i.e., upper, middle and lower horizontal wells, and a temperature detection well in the same reservoir, the temperature detection well is used for detecting the temperature of the middle horizontal well, and a hydrogen gas filter membrane is arranged at the upper horizontal well; a heating device is arranged at the middle horizontal well, a close cutting volume fracturing is carried out around the well, and a reaction zone is formed by filling a catalyst and a heat-conducting agent; in-situ ignition is carried out at the lower horizontal well, and an oxygen-containing gas is injected, so that the oxygen-containing gas is incompletely combusted to generate CO and CO2 and form a gasification zone; a heating device is used for heating to above 450 DEG C, when the gas in the gasification zone enters the reaction zone, water vapor is injected to carry out high-efficiency hydrogen production; and the upper horizontal well is opened, and the hydrogen gas filter membrane is used for extracting hydrogen gas. The hydrogen production block is separated, the underground hydrogen production efficiency is greatly improved, the energy utilization rate is improved, and therefore the method has good application value.

The invention provides a sewage treatment device based on phycomycete granular sludge, which comprises a base, a water inlet pipe, a water outlet pipe, and a first cylinder, a second cylinder and a third cylinder which are mounted on the base and are sequentially arranged from inside to outside in a sleeving manner, and a primary reaction area, a light supplementing area and a secondary reaction area are sequentially formed from inside to outside; sewage in the primary reaction area can overflow into the secondary reaction area from the top of the light supplementing area; the water inlet pipe supplies sewage to the primary reaction area; a drainage pipe is used for draining water from the secondary reaction area; the light supplementing area supplements light to the primary reaction area and the secondary reaction area at the same time; the reactor further comprises an aeration assembly and a guide cylinder, the guide cylinder is arranged in the first cylinder to divide the primary reaction area into a stirring reaction area and a backflow area, and the tops and the bottoms of the stirring reaction area and the backflow area are communicated with each other; and the aeration assembly is arranged below the guide cylinder. The primary reaction area and the secondary reaction area are supplemented with light through the light supplementing area, so that the system can keep stable and continuous operation, and the energy consumption can be effectively reduced.

The invention discloses a device and a method for treating organic matters in high-salinity wastewater by coupling catalytic ozonation and coagulation, and belongs to the technical field of advanced sewage treatment. The device adopts an integrated structure formed by co-wall building of a reaction area and a settling area, and the middle is separated by a partition plate. The core innovation of the device is that a special stirring device is arranged in the reaction area, a paddle of the device is a hollow cube enclosed by a screen, and a catalyst is filled in the paddle. According to the structure, while catalytic ozonation and coagulation synchronous ozonation synergic efficient degradation of organic matters can be realized, coagulation flocs are physically prevented from being attached to the surface of the catalyst, and the technical bottleneck that the catalyst is easy to pollute and inactivate is fundamentally solved. After reaction, water flows across the partition plate to enter the settling zone, and efficient solid-liquid separation is achieved through the inclined plate set. The device has the advantages of compact structure, short flow, high treatment efficiency and stable operation, and is particularly suitable for treating high-salt degradation-resistant organic wastewater generated in the industries of energy chemical industry, pharmacy, printing and dyeing and the like.

The invention discloses a mixed waste plastic recovery and conversion reaction system which comprises a waste plastic raw material bin, a spiral feeder, a reaction furnace, a combustion chamber, a condensing device and an oil storage tank. The reaction furnace is sequentially provided with a feeding end, a reaction area and a discharging end, the reaction area comprises a plurality of reaction sections which are connected in series, the reaction sections are sequentially and continuously arranged along the length of a furnace body, and each reaction section is provided with a temperature control device which is independently opened and closed; the discharging end is communicated with a condensing device, and the condensing device is provided with a condensed kerosene outlet and a non-condensed pyrolysis gas outlet; the non-condensing pyrolysis gas outlet is divided into two paths, one path is communicated with the reaction furnace, and the other path is communicated with the combustion chamber. According to the invention, multiple reaction sections are combined and connected in series, multiple reaction mode combinations are provided, and high-value aviation kerosene can be produced. According to the invention, dechlorination can be effectively carried out before pyrolysis, and equipment corrosion, catalyst poisoning, secondary pollution and the like are prevented; according to the invention, the non-condensed gas is recovered for hydrogenation upgrading of products and self-heating of the system, so that energy is saved.

The invention discloses a variable-load chemical looping combustion system which comprises an air reactor, a fuel reactor, a feeding loop and a material returning loop. An industrial steam supply heating surface A is arranged in the air reactor, and 1-N load regulators are connected in parallel between the air reactor and the fuel reactor; each load regulator comprises a furnace body, a fluidization device arranged in the furnace body, a gas inlet connected with the furnace body below the fluidization device, a gas outlet connected with the furnace body above the fluidization device, oxygen carrier inlet pipes and oxygen carrier outlet pipes, the oxygen carrier inlet pipes are connected with the fuel reactor and are provided with regulating valves, and the oxygen carrier outlet pipes are connected with the air reactor; an industrial steam supply heating surface B is arranged in the furnace body above the fluidizing device; the invention further discloses a using method of the variable-load chemical looping combustion system. According to the invention, the load can be flexibly and stably adjusted in a wide range, meanwhile, negative effects caused by cooling of the reaction area and reduction of the activity of the oxygen carrier are avoided, and efficient and reliable operation of the chemical looping combustion system under the wide-load working condition is ensured.

Methods and systems for converting a renewable fuel intermediate composition to finished transportation fuel are provided herein. In some examples, a renewable fuel intermediate composition is flowed over a first catalyst in a first reaction zone to generate a saturated, hydrodeoxygenated product. A liquid portion of the renewable fuel intermediate composition may be characterized as having more than about 70 wt % of the oxygen being within ketone groups. The saturated, hydrodeoxygenated product may be flowed over a second fixed-bed catalyst in a second reaction zone to generate a product including the finished transportation fuel.

The invention relates to a device and a method for deeply degrading organic matters in wastewater, the device comprises a shell, a water inlet area, a reaction area and a water outlet area are sequentially arranged in the shell along the moving direction of the wastewater, and the reaction area is respectively communicated with the water inlet area and the water outlet area; at least one set of ultrasonic energy concentrator is arranged in the water inlet area; an ultrasonic wave generation module is arranged in the reaction area, and the ultrasonic wave generation module comprises a low-frequency band, a middle-frequency band and a high-frequency band which are sequentially arranged in the wastewater moving direction; and the water inlet area and the reaction area are also filled with a supported catalyst. The contact electro-catalysis effect is excited through ultrasonic waves, metal elements of the supported catalyst are subjected to dynamic valence state transformation, and oxidizing active free radicals are continuously generated; the low-frequency section, the middle-frequency section and the high-frequency section are sequentially arranged in the reaction area, quenching of oxidative activity free radicals is synergistically reduced, uniform distribution of the oxidative activity free radicals is promoted, and wastewater organic matter reacts with the oxidative activity free radicals to be degraded.

The invention relates to a full-load self-adaptive ammonia spraying dynamic coordination control method for an SNCR-SCR coupling system, and belongs to the technical field of industrial flue gas denitration control. The method comprises the following steps: monitoring an SNCR reaction zone temperature field, SCR inlet multi-dimensional parameters and boiler operation characteristics in real time, constructing a coupling dynamic prediction model, and performing dynamic correction; a feedforward-feedback composite control framework and rolling time domain optimization are adopted, ammonia spraying modes are automatically switched, and system fluctuation is adapted; evaluating an activity state based on the catalyst activity influence factor, establishing a dynamic mapping relation between the activity state and an ammonia nitrogen molar ratio, and reversely correcting SNCR spray gun ammonia amount distribution by combining with SCR inlet reducing agent distribution uniformity; a risk assessment index is generated by fusing hearth temperature field uniformity and catalyst activity attenuation characteristics, and a dual-system boundary condition and operation state collaborative adaptive mechanism is established. The ammonia spraying dynamic coordination control in the full-load range is realized, the denitration efficiency and the operation stability are improved, and the ammonia consumption and the ammonia escape are reduced.

The utility model belongs to the technical field of reactors, and particularly relates to a multiphase unpowered reactor, which comprises a vertical shell, an upper reaction area and a lower liquid collection area are arranged in the shell, and the reaction area is communicated with the liquid collection area through a cap hood, and is characterized in that an annular pipe is arranged in the middle of the reaction area and is connected with a feed port of the shell through a feed pipe; a plurality of horizontal circulating hydraulic sprayers are arranged on the annular pipe, and the axis of at least one horizontal circulating hydraulic sprayer is tangential to the outer side of the annular pipe; a cross pipe is arranged at the lower part of the reaction area; a plurality of vertical circulating hydraulic sprayers are arranged on the cross pipe; and the horizontal circulating hydraulic spray head and the vertical circulating hydraulic spray head are venturi mixed flow spray heads. The utility model has the beneficial effects that the middle section and the lower section of the reaction area of the shell adopt two sections of liquid-phase hydraulic sprayers to be combined with the atomizing sprayers at the top of the reaction area to respectively form liquid flow in the vertical direction and the horizontal direction, so that the mixing effect of gas-phase, liquid-phase and solid-phase substances is enhanced, and the conversion efficiency is improved.

The invention discloses a lime coagulation treatment effect real-time monitoring and regulation system and method based on multi-parameter fusion, and belongs to the technical field of water treatment. The system disclosed by the invention comprises a data acquisition and analysis module, a data processing and evaluation module, an intelligent regulation and control module, an execution mechanism and a coagulation clarifier, the acquisition and analysis module is respectively connected with a water inlet / outlet of the coagulation clarifier and the reaction area; the acquisition and analysis module is electrically connected with the data processing and evaluation module, the intelligent regulation and control module and the execution mechanism in sequence; and the executing mechanism is arranged in the coagulation clarifier. According to the system disclosed by the invention, all the modules and parts have a synergistic effect, so that the technical problem that an existing monitoring system lacks multi-parameter coupling analysis and intelligent decision-making capabilities is solved.