127 results about "Oxide sulfur" patented technology

The invention discloses a desulfurizing agent for a cement kiln as well as a production method and application of the desulfurizing agent. The desulfurizing agent is prepared from the following raw material components in percentage by weight: 88-96 wt% of limestone; 2-6 wt% of an iron raw material; 1-6 wt% of gypsum; and 0-4 wt% of a silicon-aluminum material. The desulfurizer is produced by utilizing a kiln line of a cement enterprise, is dried and ground with raw materials according to a mass ratio of 1: 100 to 3: 100, and then is put into a cement kiln system for cement clinker production, so that the emission concentration of sulfur oxides in kiln tail flue gas produced by sulphoaluminate cement clinker can be reduced from more than 2000mg / Nm < 3 > to less than 35mg / Nm < 3 >; and for other types of cement clinker, the content of the cement clinker can be reduced from 1000 mg / Nm < 3 > or above to 35 mg / Nm < 3 > or below, the desulfurization effect is stable, and the environment-friendly emission requirement can be continuously met.

The invention provides a prebaked anode flue gas carbon capture integrated system which comprises an integrated purification unit, a pollutant removal unit and a pressure swing adsorption carbon capture unit which are sequentially connected through a pipeline, flue gas is subjected to dust pre-removal and organic pollutant adsorption of the integrated purification unit and deep treatment of nitrogen and sulfur oxides of the pollutant removal unit, and the flue gas is subjected to carbon capture and carbon capture. According to the invention, the flue gas enters the pressure swing adsorption unit and then is efficiently captured by the pressure swing adsorption unit, and a continuous and synergistic treatment chain is formed in the whole process, so that the heat loss of the flue gas transmitted among the units is obviously reduced, and the energy waste caused by equipment dispersion in the traditional system is avoided; meanwhile, in the aspect of equipment layout, the modular integrated design greatly compresses the occupied area, efficient utilization of an industrial site is achieved, the flue gas treatment cost is reduced, and the flue gas treatment reliability is improved.

In some embodiments, the present disclosure relates to a system. The system includes a substrate and a fluid trapping material formed on one or more surfaces of the substrate. The fluid capture material includes a sorbent material incorporating one or more fluids including water, carbon dioxide, sulfur oxides, alcohols, or a combination thereof. The fluid capture material also includes one or more binder materials, wherein the binder materials are optionally at least partially cross-linked. The fluid capture material includes at least one aperture.

The invention discloses a flue gas treatment device based on a noble metal catalyst, and relates to the technical field of flue gas treatment. An inner mounting frame is fixedly mounted on the inner surface wall of the treatment box, an annular outer frame is fixedly mounted on one side of the outer wall of the inner mounting frame, and a rotating groove is pre-formed in the annular outer frame. Through a multi-stage collaborative filtering mechanism, a clean reaction environment is provided for a noble metal catalyst: a linkage frame drives a filter plate to rotate, and large-particle impurities, sulfur oxides and chlorides are intercepted by utilizing centrifugal force and a composite filter material (a stainless steel filter screen and activated carbon); the guide vanes form spiral airflow, and fine impurities with the particle size larger than or equal to 1 micron are separated through centrifugal force; the metal filter pipe is combined with dynamic negative pressure adsorption, deep removal of residual dust and three-stage filtration, so that the impurity content in flue gas can be greatly reduced, catalyst poisoning, blockage or sintering are avoided, the service life of the catalyst is prolonged, and the replacement cost of precious metal is greatly reduced.

A system is described that enables the purification of COx, SOx, NOx, dioxin and furan, and H2S gases using wet and dry filters in a single chimney, comprising: a nozzle system (2) that sprays a mixture consisting of water, micronized zeolite, ammonia, and boron mineral in fine droplets to perform the first purification of SOx (sulfur oxides), NOx (nitrogen oxides), and COx (carbon oxides) gases entering the chimney (1) from the combustion gas, a zeolite-based dry filter (3) that purifies the dioxin and furan components in the flue gas (B) rising after the first purification, a first continuous measurement system (4) that measures the values of the combustion gas at the entry point to the chimney (1), a second continuous measurement system (5) that measures the values of the combustion gas after the dry filter (3), an Al-supported processor (6) that adjusts the amount of the mixture to be sprayed from the nozzle system (2) based on the comparison of the first continuous measurement system (4) and the second continuous measurement system (5).

The invention relates to a filter unit for removing gaseous compounds (nitrogen oxides, sulfur oxides, volatile organic compounds, carbon monoxide and the like) and bacteria and viruses from interior air, in particular interior air of a motor vehicle, the invention also relates to a method for removing gaseous harmful substances and bacteria and viruses from interior air, in particular interior air of a motor vehicle.

The invention discloses a thermal power plant boiler flue gas desulfurization and denitrification integrated method, namely, a chemical absorption and catalytic reduction combined mode is researched to effectively treat sulfur oxide sulfur (SO2) and nitrogen oxide (NOx). The method comprises the following steps: firstly, converting sulfur-containing emissions into harmless substances by using a redox agent through a wet desulphurization technology, and then converting NOx into nitrogen and water by applying a selective catalytic reduction (SCR) technology. Operation data analysis shows that the removal rates of SO2 and NOx respectively reach 97% and 94%, and the desulfurization and denitrification efficiency is far higher than that of a traditional thermal power plant boiler. According to the desulfurization and denitrification integrated technology, the limitation of a traditional desulfurization and denitrification technology is broken through, and a new technical scheme is provided for a thermal power plant.

This invention belongs to the field of mineral processing technology, specifically relating to a selective sulfidation roasting-flotation separation method for a smithsonite-calcite mixed ore. The method first involves crushing and grinding the smithsonite, calcite, and sulfiding agent, then mixing them in a certain proportion and subjecting them to sulfidation roasting, preferentially causing the smithsonite to undergo sulfidation. After cooling the roasted product in an inert atmosphere, flotation separation is performed using xanthate as a collector to obtain zinc concentrate. By controlling the atmospheric conditions during the sulfidation roasting process, the sulfidation reaction efficiency of the smithsonite can be improved, and the generation of sulfur oxide gases during roasting can be reduced. When using this method to process the smithsonite-calcite mixed ore, effective recovery of the smithsonite can be achieved, with a flotation recovery rate exceeding 88%. This invention features a simple process flow and easily controllable operating conditions, providing a new technical approach for the efficient utilization of smithsonite resources.

The application discloses a combustion-supporting and corrosion-preventing type colloidal magnesium-based heavy oil additive and a preparation method thereof. The heavy oil additive is prepared from the following components in parts by weight: magnesium oxide 50-80 parts, bentonite 10-15 parts, lime powder 5-10 parts, nano silicon dioxide 10-15 parts, basic copper chloride 5-10 parts, diaspore powder 10-15 parts, sodium dodecyl benzene sulfonate 2-8 parts, hydrocarbon solvent 2-8 parts, combustion-supporting dispersant 2-8 parts, and water 80-100 parts. The additive can inhibit the combustion of sulfur in the heavy oil to generate sulfur oxides, low-temperature sulfur corrosion and the synergistic corrosion of HCl. In the low-temperature section, the basic components such as lime powder react with HCl to generate salt compounds, neutralize the acidic substances in the flue gas, and significantly increase the pH value to above 8, thereby preventing the low-temperature dew point corrosion of the tail heating surface.

The method comprises a flue gas desulfurizing step using an ammonia-based desulfurizing scrubber to remove sulfur oxides from the flue gas A further step comprises processing the desulfurized flue gas through an ammonia-utilizing carbon dioxide capture unit, to remove carbon dioxide therefrom. The desulfurizing step comprises recycling desulfurized flue gas as an oxidant towards the desulfurizing scrubber. Also disclosed herein is a system for flue gas desulfurization and carbon dioxide removal.

The invention belongs to the technical field of flue gas sulfur oxide removal, and particularly relates to a flue gas desulfurization gypsum chloride ion concentration soft measurement method and system. The method comprises the following steps: S1, selecting characteristic variable data; s2, extracting online continuous monitoring data of chloride ion concentration in the desulfurization slurry; s3, determining a target variable; s4, screening out a final characteristic variable group; s5, performing data preprocessing on the final feature variable group; s6, establishing a training sample group based on a recurrent neural network model predictor; s7, training a preliminary recurrent neural network model; s8, obtaining a final prediction model; and S9, inputting a target characteristic variable group of the flue gas desulfurization gypsum to be measured into the trained recurrent neural network model to obtain the chloride ion concentration of the flue gas desulfurization gypsum to be measured. According to the method, the consumption of gypsum flushing water and the consumption of desulfurization wastewater treatment are reduced while the content of chloride ions in the desulfurization gypsum is ensured to reach the standard.

The invention relates to the field of oxidative desulfurization of oil and sulfur-containing liquid hydrocarbon fuels (including diesel fuel) and can be used to reduce harmful emissions and exhausts (in the form of sulphur oxide and carbon monoxide - SO2 and CO) of oil refineries, as well as various industrial enterprises (including energy), facilities and engines using hydrocarbon fuels. Method of oxidative desulfurization of oil and liquid hydrocarbon fuel and reducing harmful emissions of sulfur oxides and carbon provides a process of oxidation in tanks or pipelines by ozone (O3) or ozone-containing gases, in which sulfur oxides (SO2 and SO), without releasing them into the atmosphere, mix in a closed vessel or pipeline with carbon monoxide (CO) and by means of chemical reactions of sulfur monoxide decomposition (2SO↑ → SO2↑+S↓) and sulfur recovery (SO2↑ + 2CO↑ → S↓ + 2CO2↑) elemental sulfur (S) is extracted from oil or liquid hydrocarbon fuel and carbon monoxide (CO) is converted into its dioxide (CO2). The oxidation, also decomposition and recovery reactions are carried out one-step or sequentially, in the presence of oxidation-recovery group catalysts corresponding to these reactions, such as tert-Butyl hydroperoxide (C₄H₁₀O₂). Ozonized atmospheric air is used as ozone-containing gas.

The application discloses a carbon capture and amine recovery system, which comprises a rough washing tower, an absorption tower, a decarbonization tower and a deaminization tower which are sequentially connected through a pipeline system; the rough washing tower is used for removing pollutants in flue gas, including sulfur oxides, PM particulate matters, hydrogen sulfide and the like; an amine solution spraying module is arranged at the upper portion of the absorption tower, flue gas enters from the lower area of the absorption tower, the amine solution spraying module sprays amine solution to capture carbon dioxide in the flue gas to form a carbon capture solution and decarbonized flue gas; the decarbonization tower is used for receiving the carbon capture solution and processing to obtain high-purity CO2 and a recovery solution; the high-purity CO2 is discharged or reprocessed; the recovery solution is returned to the amine solution spraying module in the upper area of the absorption tower through the pipeline system to realize cyclic utilization; the decarbonized flue gas is transmitted upwards to the deaminization tower and is discharged after deamination. The application realizes three-stage purification flue gas treatment of desulfurization, carbon capture and amine capture recovery through a system, and the whole system has high recovery efficiency.

The invention relates to a preparation method of a full-coal-gangue-based geopolymer, and belongs to the technical field of solid waste resource utilization. The method comprises the following steps: S1, mixing gangue ash with coal gangue raw ore powder to obtain a mixed solid; s2, adding alkali-activated liquid into the mixed solid, stirring and mixing to form slurry, molding the slurry, and curing to obtain a geopolymer; wherein the alkali-activated liquid is prepared from water glass, sodium hydroxide and water, the modulus of the alkali-activated liquid is 1-1.2, and the alkali-binder ratio of the alkali-activated liquid is 0.15-0.25. According to the method, the gangue raw ore is directly doped into the calcined gangue ash, so that the use amount of the gangue ash is greatly reduced, the process energy consumption is remarkably reduced, the emission of pollutants such as greenhouse gases, sulfur oxides and nitrogen oxides is reduced, and the coagulation time of the geopolymer is prolonged; the problems of high production cost and serious pollution of the existing gangue-based geopolymer are solved.

The invention relates to the technical field of industrial dust-containing flue gas desulfurization and dust removal, and provides a dry desulfurization and dust removal integrated method for industrial dust-containing flue gas, which adopts sodium bicarbonate as a desulfurization adsorbent, and aims at solving the pollution problems of a large amount of smoke dust, sulfur oxides and the like in the flue gas by changing particle size distribution, filtering wind speed and dust layer form. And directly carrying out dry desulfurization operation on a metal filter bag dust remover to form an efficient desulfurization and dust removal integrated filtering treatment method. The dry desulfurization and dust removal integrated method is high in desulfurization efficiency, flue gas desulfurization and dust removal operation can be synchronously completed, sulfur dioxide in waste gas can be efficiently absorbed and converted into harmless sodium thiosulfate, the method has the advantages of being easy to operate, high in cost benefit, environmentally friendly and sustainable, and the flue gas purification treatment cost is reduced.

This invention relates to the field of desulfurization detection technology, specifically to a precise wet flue gas desulfurization control method and system. The method first obtains desulfurization performance indicators during the flue gas recirculation period; based on the data distribution of environmental factors during the flue gas recirculation period and the correlation between changes in environmental factor data and sulfur oxide concentration, it obtains environmental impact indicators for the flue gas recirculation period; based on the desulfurization performance indicators and environmental impact indicators, it obtains a delay power adjustment factor for the flue gas recirculation period; and based on the delay power adjustment factor, it performs power control of the oxidation fan in wet flue gas desulfurization. This invention improves the power control effect of the oxidation fan in the wet flue gas desulfurization process by fully considering the impact of environmental factors and the power requirements of the oxidation fan due to the desulfurization effect, thus ensuring high efficiency in desulfurization.

The present invention relates to a supercapacitor electrode material and a preparation method thereof. The supercapacitor electrode material is a nickel-cobalt-sulfur-oxygen composite metal compound supported on a conductive substrate. At a current density of 1A / g, its specific capacity reaches 7247.9F / g, which has an ultra-high specific capacity, much higher than the capacitance of similar metal sulfur oxide materials, and has good cycle stability (at a current density of 5A / g, the capacitance retention rate is 79% after 5000 cycles). The high-capacitance electrode material obtained by the present invention can be obtained in a short time (about one hour) by a one-step alternating current deposition method. Compared with existing multi-step synthesis methods such as hydrothermal growth, chemical precipitation, and electrodeposition, the present invention is simple to operate, short in time, and has a simple and easy preparation process, which provides great possibilities for the application of electrode materials in energy storage devices and then put into practical use.

The present invention relates to a plant and method for the purification of fumes from industrial discharges and / or for the recovery and reconversion of sulfur oxides and / or nitrogen oxides and / or carbon dioxide contained in said fumes. Said method comprises the passage into one or more aqueous solutions, where said aqueous solutions are selected from the group comprising: —solution with an acid pH, between 0.5-1; —solution at a pH between 3 and 5, at about pH 4; —Ca(OH)2 or CaCl2 or calcium acetate solution; —solution at a pH between 8 and 9.

The invention provides a lithium slag obtaining and treating method, a ceramic green body, a ceramic tile and a preparation method. The lithium slag obtaining method comprises the steps that spodumene concentrate is roasted under the preset high-temperature condition, and the roasted spodumene concentrate is subjected to ball milling to reach the preset particle size range; adding concentrated sulfuric acid into the spodumene concentrate subjected to ball milling, uniformly mixing, and carrying out acidizing roasting under a preset acidizing roasting condition to obtain an acidizing roasting product; and clear water is added into the acidified roasting product for stirring leaching, solid-liquid separation is carried out, and separated acidic lithium slag is obtained. According to the embodiment of the invention, the addition of calcium when the tailings and the leachate are not separated is avoided, the introduction of calcium and the existence of sulfate in the lithium slag are reduced, the content of calcium oxide and sulfur oxide harmful to architectural ceramics in the lithium slag is further reduced, the extracted acidic lithium slag can be utilized in the architectural ceramics, and the utilization rate of the architectural ceramics is improved. And the huge harm of the lithium slag to natural ecology and environment is solved.

The utility model discloses a flue gas desulfurization and denitrification spraying device relates to flue gas treatment technical field, the utility model discloses a reaction tower is provided with the air inlet subassembly on the outer surface of reaction tower, and the inside of reaction tower is provided with spraying subassembly and adjustable extraction subassembly, and the spraying end of spraying subassembly sets up upwards, and the top of spraying subassembly is provided with the corrugated slowing down subassembly. The utility model discloses through setting up the corrugated slowing down subassembly above spraying subassembly, thereby making the corrugated slowing down subassembly can intercept the ascending flue gas to a certain extent to make it produce the stagnation at the bottom of the subassembly. Meanwhile, the spraying end can spray the atomized slurry to the area, thereby making the flue gas and the slurry contact for a long time at the bottom of the corrugated slowing down subassembly. The above -mentioned setting makes the sulfur oxide, nitrogen oxide in flue gas and slurry can get the full chemical reaction, and the desulfurization and denitrification efficiency is improved significantly, thereby ensuring that the flue gas after treatment is stable and up to standard emission, and the whole environmental protection management effect is enhanced.

A method for removing sulfur oxides and nitrogen oxides from air flow belongs to the technical field of air pollution control, and is characterized in that treated air flow is introduced into a desulfurization reactor, a nitric acid solution absorbent is introduced into the reactor, sulfur dioxide in the air flow and nitric acid in the absorbent are subjected to an oxidation-reduction reaction, and the sulfur oxides and the nitrogen oxides are removed. Nitric oxide gas generated in the reaction process of the sulfur dioxide and nitric acid is guided into a denitration reactor along with the gas flow, meanwhile, ferric chloride absorbent slurry is guided into the denitration reactor, and the nitric oxide gas in the gas flow and ferric chloride are subjected to a chemical reaction to be absorbed; nitric oxide gas released by regeneration of the saturated absorbent after absorption is oxidized, nitric acid is recycled as a desulfurization absorbent for recycling, and ferric salt absorbent slurry is recycled after regeneration.

A dilute sulfuric acid manufacturing apparatus (40) includes: a pipe (42) or the like that supplies a raw material containing at least a sulfur component, a nitrogen component, and 40 to 80% by weight or more of moisture; a PVSA 45d or the like that generates an oxygen-containing gas having an oxygen concentration of 22 to 40% by volume; a combustion furnace (51) that combusts the raw material using the oxygen-containing gas to generate a combustion gas containing sulfur oxides (SOx: here, 1 ≤ x < 3) and 10% by volume or more of moisture; a waste heat boiler (52) that cools the combustion gas; a converter (61) that oxidizes the sulfur oxides (SOx) using a catalyst to generate a reaction gas containing sulfur trioxide (SO3); and a dilute sulfuric acid tower (71) that cools the reaction gas to generate dilute sulfuric acid, and does not add water from at least the combustion furnace (51) up to the dilute sulfuric acid tower (71), and generates dilute sulfuric acid of less than 90% by weight using only the moisture of the raw material.

The invention belongs to the technical field of metal materials, and particularly relates to rare earth-antimony synergistic alloying corrosion-resistant steel special for photovoltaic and a preparation method of the corrosion-resistant steel. The corrosion-resistant steel special for photovoltaic is prepared from, by weight, 0.04%-0.08% of C, 0.20%-0.50% of Si, 0.80%-1.50% of Mn, smaller than or equal to 0.015% of P, smaller than or equal to 0.003% of S, 1.50%-3.00% of Cr, 0.20%-0.50% of Mo, 0.10%-0.40% of Ni, 0.010%-0.030% of RE, 0.05%-0.20% of Sb, 0.02%-0.05% of Als, smaller than or equal to 0.0050% of N and the balance Fe and inevitable impurities. Wherein RE / S satisfies 3.5 < = RE / S < = 5.0, and Sb / Cr satisfies 0.03 < = Sb / Cr < = 0.08; and through a two-stage controlled rolling and controlled cooling process, a core-shell structure with rare earth sulfur oxide as a core and an antimony atom enrichment layer as a shell is formed on the ferrite grain boundary. By the adoption of the technical scheme, the grain boundary electrochemical stability can be improved, pitting corrosion resistance and intergranular corrosion resistance are remarkably enhanced, and meanwhile the excellent comprehensive performance of high strength and high toughness is obtained.

The invention discloses a circulating spouted bed sintering flue gas multi-pollutant integrated removal system, and belongs to the technical field of industrial flue gas treatment. In the system, a tubular heat exchanger is connected with a bottom air inlet of a hearth through an air pipe; a hopper and a natural gas burner are arranged at the side part of the hearth, and a solid bed material with the particle size of 70-150 microns is filled in the hearth; an upper end outlet of the hearth is connected with an inlet of the cyclone separator, a plurality of ammonia spraying nozzles are distributed at the inlet of the cyclone separator, and a lower outlet of the cyclone separator is connected with the bottom of the hearth through a material returning pipe; an upper end outlet of the cyclone separator is connected with the tubular heat exchanger through a flue gas pipe; the tubular heat exchanger is connected with the bag-type dust collector; and the induced draft fan is connected with an outlet of the bag-type dust collector. According to the invention, various pollutants such as dioxin, carbon monoxide, sulfur oxide, nitrogen oxide and solid particle dust in the sintering flue gas can be integrally removed, the removal efficiency is high, the carbon emission and pollution are obviously reduced, and the whole system is compact and simple in structure.

The invention discloses a flue gas treatment system and a ship. The flue gas treatment system comprises a storage device, a sulfur-carbon absorption device and a carbon desorption device. The storage device comprises a barren liquor part and a rich liquor part. The barren liquor part is used for storing and absorbing barren liquor, and the rich liquor part is used for storing and absorbing rich liquor. The sulfur-carbon absorption device comprises a desulfurization section, a decarbonization section and an isolation assembly. The desulfurization section is used for receiving the flue gas and seawater, and discharging the seawater to the outside after sulfur oxides in the flue gas are removed from the seawater. The decarburization section is arranged above the desulfurization section, is communicated with the storage device, and is used for receiving the flue gas and the absorption barren solution from the desulfurization section, enabling the absorption barren solution to absorb carbon dioxide to form an absorption rich solution, and conveying the absorption rich solution back to the rich solution part. The isolation assembly is arranged between the desulfurization section and the decarbonization section, allows flue gas to flow from bottom to top and prevents liquid from flowing from the decarbonization section to the desulfurization section. The carbon desorption device comprises a desorption section and a reboiling section, the desorption section is communicated with the rich solution part, and the carbon desorption device is used for receiving and heating the absorption rich solution, so that the absorption rich solution is regenerated to form an absorption barren solution.

The invention discloses an environment-friendly artificial tree system for improving air pollution, which takes a boron-doped diamond (BDD) electrode, a titanium dioxide coated filter ball and an advanced oxidation process (AOP) as cores, realizes air purification by using easily available water and has a multi-scene adaptation function, and comprises a cylindrical hollow shell part fixed on the ground; the purified water tank part is arranged at the lower end of the shell part and quantitatively introduces and filters purified water; a BDD atomizing unit that electrolyzes the purified water by means of a BDD electrode to generate a disinfectant and atomizes the disinfectant; the pipeline fan module part is positioned above the BDD atomizing part and is used for conveying the vaporific disinfectant and introducing filtered external air; and the advanced oxidation reaction part is connected to the upper side of the pipeline fan module part and is used for sterilizing by using ultraviolet rays and decomposing macromolecular organic compounds through AOP. The system can remove fine particulate matters, oxidize and decompose nitrogen oxides, sulfur oxides and the like, kill viruses and improve the air quality.

The present invention provides a catalyst with improved toxicity resistance to ammonium-based sulfur oxides such as acidic ammonium sulfate, and a denitrification apparatus equipped with this catalyst. [Solution] The catalyst of this disclosure is a catalyst containing vanadium and manganese, wherein the mass ratio of manganese oxide converted to dimanganese trioxide to vanadium oxide converted to divanadium pentoxide is 0.179 to 1.52.

The invention discloses a high-sulfur-manganese free-cutting steel MnS inclusion modification preparation method, and belongs to the technical field of ferrous metallurgy. Fine and dispersed rare earth manganese sulfur oxides are formed in steel through a strict smelting process and serve as nucleation cores of MnS inclusions in the solidification process, and MnS is attached to the surfaces of the rare earth manganese sulfur oxides to generate the composite inclusions. Due to the spheroidization of the rare earth inclusions, the length-width ratio of the MnS inclusions can be reduced, the anisotropy of the steel is reduced, and the purposes of modifying the inclusions and further improving the performance are achieved; the morphology of MnS in the high-sulfur-manganese medium-carbon free-cutting steel is improved through LaMn alloy modification treatment, so that the MnS is converted from a long strip shape or a chain shape into a fine and uniformly distributed spherical shape or nearly spherical shape, the stress concentration is effectively reduced, meanwhile, the Mn content in the steel is also increased, the Mn is infinitely fused with a matrix, and the mechanical property and the cutting property of the steel are remarkably improved.

The invention relates to the technical field of thermal power plant operation and maintenance supervision, and discloses a thermal power plant point-to-point operation and maintenance supervision system and method based on big data. The thermal power plant particulate matters, sulfur oxides and nitrogen oxides are processed on the basis of the standard exceeding discharge amount, processing mode information and processing equipment parameter information of the thermal power plant particulate matters, sulfur oxides and nitrogen oxides and the processing equipment regulation and control parameter information of the thermal power plant particulate matters, sulfur oxides and nitrogen oxides stored on the basis of big data; the regulation and control parameters of the nitrogen oxide treatment equipment are accurately matched, so that the operation parameters of the thermal power plant particulate matter, sulfur oxide and nitrogen oxide treatment equipment are scientifically matched on the basis of the treatment working condition types of the thermal power plant particulate matter, sulfur oxide and nitrogen oxide, and the pollutant discharge operation of the thermal power plant is intelligently monitored in a point-to-point classified manner on the basis of the pollutant types; and the refinement and applicability of thermal power plant operation and maintenance supervision are improved.

The invention discloses a power plant flue gas desulfurization and denitrification agent and application thereof. The power plant flue gas desulfurization and denitrification agent comprises an oxidizing agent, a reducing agent, a desulfurizing agent and an additive, the oxidizing agent is used for oxidizing NO in NOx into NO2, the reducing agent is used for reducing NO2 into N2 to be discharged, the desulfurizing agent is used for absorbing sulfur oxides, and the mass concentration of the additive is 3%-8%. The desulfurization and denitrification agent provided by the invention can efficiently remove nitrogen oxides and sulfur oxides in flue gas, and the addition of the additive improves the solubility of the desulfurization and denitrification agent.