177 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 relates to the field of carbon dioxide capture and utilization, in particular to a method and system for producing formate through synergistic capture and conversion of flue gas carbon dioxide, formate is obtained through electrochemical conversion of carbon-rich capture liquid, capture liquid is generated, the capture liquid directly captures flue gas carbon dioxide, and the carbon-rich capture liquid is obtained again. And the carbon-rich trapping liquid is continuously recycled for electrochemical conversion. The carbon-rich capture liquid electrochemical conversion process and the flue gas carbon dioxide capture process do not need to be alternately carried out step by step, but are synchronously and continuously carried out in the same system, the whole process does not need to pre-treat a small amount of oxygen and trace nitrogen oxide and sulfur oxide gas impurities in the flue gas, and a high-energy-consumption carbon dioxide gas regeneration step is avoided; the method overcomes the defect of low single conversion rate of electrochemical conversion of carbon dioxide gas, realizes collaborative capture and conversion of flue gas carbon dioxide to produce formate, and finally realizes direct conversion and utilization of carbon dioxide from flue gas to a high-value product formate.

The present invention provides a coal-saving, desulfurization, and decoking catalyst for boilers and an application method thereof. Through the synergistic effect of multiple components, the catalyst can simultaneously achieve coal-saving, desulfurization, decoking, corrosion protection, and ash cleaning functions during boiler operation, effectively solving the problems of single function, low desulfurization efficiency, poor decoking effect, and insufficient adaptability in the prior art. The desulfurization catalyst neutralizes sulfur oxides in flue gas, reducing low-temperature slagging. The temperature-sensitive expansion particles dynamically expand and peel off hard coke. The porous carrier particles adsorb ash and complex salts. The high-temperature retention loosening agent and the catalyst work together to prevent secondary accumulation, improve heat transfer conditions, and increase boiler thermal efficiency. The coal-saving agent reduces fuel consumption. The metal protective agent forms an anti-corrosion film on the heated surface, extending the life of the equipment and significantly improving the economic efficiency of boiler operation.

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.

The invention discloses a power generation system for fused salt energy storage by using biomass. According to the system, the purity of raw materials is remarkably improved through an intelligent sorting and impurity removing unit of the pretreatment and coupling module, the waste heat driving drying unit effectively recycles system waste heat to reduce energy consumption, the flexible forming unit generates biomass fuel with stable physical characteristics, and the nano-catalysis pretreatment unit optimizes the reaction activity of the fuel on the molecular level. The measures directly improve the integrity of biomass combustion and the heat energy conversion efficiency, so that the fuel of unit mass releases more effective heat in the fused salt combustor. Meanwhile, tar is decomposed from the source through catalytic pretreatment, generation of nitric oxide and sulfur oxide precursors is reduced, the treatment load of a follow-up flue gas purification system is greatly reduced, the whole system reduces dependence on external energy on the basis of ensuring stable power supply through collaborative optimization of fuel pretreatment, stored energy release and clean emission, and the energy-saving and environment-friendly effects are achieved. And a high-adaptability solution is provided for distributed energy supply.

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.

The invention discloses a nitrogen / sulfur co-doped porous carbon iron-based composite sodium ion battery negative electrode material and a preparation method thereof. According to the material, chitosan is taken as a carbon source, and the honeycomb-shaped composite carbon material with a hierarchical mesoporous structure is prepared by combining a sodium chloride template method and a two-step calcination process through a double-doping synergistic effect of cyanamine and ferric sulfate. FeS and Fe4 (Fe (CN) 6) 3 active phases are uniformly distributed in the material, FeS and Fe4 (Fe (CN) 6) 3 exist in a heterojunction form, nitrogen is doped in forms of pyridine nitrogen (more than or equal to 50%) and pyrrole nitrogen, and sulfur exists in forms of C-S-C bonds and sulfur oxides. The first efficiency of the material is greater than 90%, the reversible capacity under the current density of 1A / g reaches more than 450mAh / g, the capacity retention ratio after 1000 cycles is greater than or equal to 90%, and the reversible specific capacity under the high rate of 20A / g is still kept more than 150mAh / g. The preparation method comprises the steps of spray drying, two-step calcination and pickling pore-forming. The invention solves the problems of low capacity and poor cycling stability of the existing sodium-ion battery negative electrode material, and is suitable for high-power energy storage equipment.

Systems, devices, and methods for a gas sensor comprising one or more optical cells; a processor having addressable memory, the processor configured to: detect gas from the one or more optical cells of the gas sensor, where the detected gas is one or more of: methane, carbon dioxide, hydrogen sulfide, water, ammonia, sulfur oxides, and nitrogen; record data corresponding to the detected gas, where the recorded data comprises at least one of: an ambient temperature from a temperature sensor, an ambient pressure from a pressure sensor, an aerial vehicle telemetry, and an aerial vehicle location from a global positioning system (GPS); and generate a map of atmospheric greenhouse gas concentration on a map based on the detected gas and the recorded data.

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 present invention relates to an energy-saving and highly efficient desulfurization process using a spiral small nozzle, and particularly relates to the technical field of desulfurization. It includes: the control module determines whether the initial flow rate is qualified based on the obtained initial flow rate, and determines the opening value of the first valve when it is unqualified; the original flue gas enters the first flue gas heat exchanger for heat exchange, and the control module determines the starting power of the liquid pump according to the obtained content of sulfur oxides to perform the first spraying on the original flue gas; when the first spraying is completed, the control module determines whether the sulfur oxides in the original flue gas are completely removed based on the obtained weight of gypsum. When they are not completely removed, the starting power of the liquid pump is adjusted, and at the same time, it is determined to open the third valve for the second spraying; when the second spraying is completed, the condensing demister performs gas-liquid separation on the original flue gas; when the desulfurization tower completes the desulfurization of the original flue gas, the clean flue gas enters the second flue gas heat exchanger again along the pipeline for temperature increase and then is discharged from the chimney; thereby improving the desulfurization efficiency.

Provided, according to one embodiment of the present invention, is an electrochemical regeneration device for a harmful substance adsorbent, comprising: a purification unit in which exhaust gas containing nitrogen oxides or sulfur oxides flows in via an exhaust gas inflow unit, a metal complex compound capable of adsorbing the nitrogen oxides or sulfur oxides flows in from an adsorbent storage unit into an adsorbent inflow unit, the exhaust gas and the metal complex compound are mixed in a mixing unit so that the exhaust gas is purified, the purified exhaust gas is discharged to the outside via a first discharge unit, and a contaminated metal complex compound is transferred to a regeneration unit via a second discharge unit; the regeneration unit in which hydrogen is oxidized in an anode unit and the contaminated metal complex compound is reduced and regenerated in a cathode unit; and a circulation unit in which the regenerated metal complex compound is transferred to the adsorbent storage unit to be reused.

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 invention provides a preparation method of titanium mine fireworks and the titanium mine fireworks. The preparation method of the titanium mine fireworks comprises the following steps: carrying out ball milling on lepidolite lithium extraction tailings until the particle size is less than or equal to 20 microns to obtain a tailing powder material; the tailing powder is immersed in a lithium nitrate solution for lithium enrichment treatment, and filter residues are filtered and collected; drying the filter residues to obtain lithium-enriched tailing powder; and under the protection of inert gas, 30-50 parts of lithium-enriched tailing powder, 25-35 parts of potassium nitrate, 15-25 parts of titanium powder or magnesium-aluminum alloy powder, 5-10 parts of nano iron oxide and 2-4 parts of hydroxypropyl methyl cellulose are mixed, and the titanium mine firework medicament is obtained. In the application, the lepidolite lithium extraction tailings replace part of titanium powder and sulfur, so that the emission of heavy metals and sulfur oxides is reduced, the pollution to the environment is reduced, and the environmental protection requirement is met. Silicon dioxide and aluminum oxide in the tailings are used as inert fillers to be doped into the fireworks, so that the consumption of raw materials is reduced, the sensitivity of the medicament is reduced, and the safety is enhanced.

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 invention relates to an acid gas ammonia-process desulfurization pretreatment method and device, in particular to acid gas which is pretreated to convert sulfur-containing compounds in the acid gas into sulfur oxides, and then the sulfur oxides enter a subsequent ammonia-process desulfurization device to be purified.

The invention is applied to desulfurization and decarburization of process gas containing sulfur oxides and CO2, belongs to the field of environmental protection, and adopts ammonia as a desulfurization and decarburization agent, the gas firstly enters a desulfurization device for desulfurization to generate an ammonium sulfate fertilizer, the desulfurized gas enters a decarburization device, carbon dioxide in the gas is removed, and an ammonium bicarbonate fertilizer is generated; the decarbonized gas contains free ammonia, is washed with a desulfurization circulating solution and then is washed with water, and the washing solution returns to a desulfurization area to be used as an absorbent for desulfurization. The technology organically integrates decarburization and desulfurization technologies, adopts desulfurization circulating liquid to wash ammonia, is high in ammonia washing efficiency, successfully solves the problem of ammonia escape in the decarburization process, is simpler in process, is low in investment and operation cost, produces ammonium sulfate and ammonium bicarbonate fertilizers as byproducts, does not need to re-inject CO2 underground for storage, can use the byproduct ammonia water, and is environment-friendly. And the purposes of treating waste with waste and recycling economy are really achieved.

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.