1906 results about "Chimney" patented technology

A system for capturing carbon dioxide from flue gas produced by a coke oven includes a coke oven system and a capture system. The coke oven is configured to process coal to produce coke and a flue gas comprising carbon dioxide. The coke oven includes an induced draft fan positioned downstream of the coke oven. The induced draft fan is configured to provide a vacuum to the coke oven and move the flue gas away from the coke oven. The coke oven system also includes a stack open to atmosphere and downstream of the induced draft fan. The capture system is fluidically coupled to the coke oven system at a point between the coke oven and the stack. The capture system is configured to remove carbon dioxide from the flue gas.

A holding device configured to support medical containers includes a supporting plate having an upper surface, a lower surface, and a plurality of openings through the supporting plate configured to receive the medical containers. The holding device also includes a plurality of chimneys protruding from the upper surface and / or the lower surface of the supporting plate enclosing the openings, such that the plurality of chimneys guide insertion of the medical containers into the plurality of openings: and a plurality of reinforcing ribs protruding from the supporting plate extending between the plurality of chimneys. The plurality of reinforcing ribs include a first end portion extending radially from a first chimney of the plurality of chimneys and a second end portion extending radially from an adjacent second chimney of the plurality of chimneys.

The invention discloses a wet flue gas emission chimney inner cylinder drainage device which comprises an inner cylinder inner wall fixed to a wet flue gas chimney and a plurality of water collecting ring-shaped discs arranged up and down at intervals, every two vertically adjacent water collecting ring-shaped discs are communicated through a drainage pipe, and a water retaining structure is arranged at the top of the inner cylinder. The drainage pipe arranged on the topmost water collecting annular disc extends upwards and is communicated with a barrel top water collecting tank formed between the water retaining structure and the outer wall of the inner barrel through an open hole formed in the top of the inner barrel, the barrel top water collecting tank is opened upwards and is communicated with the outside, and the diameter of the inner barrel is controlled, so that the diameter of the inner barrel is controlled to be larger than the diameter of the inner barrel. And the rising velocity of the wet flue gas does not exceed 16m / s. Condensate water generated in the process that wet flue gas is discharged through the inner barrel can be effectively collected and dredged to the bottom of the inner barrel, and chimney rain is avoided.

The utility model discloses a ceramic oven which comprises an oven body and an oven cover, and one side of the oven cover is hinged to the oven body. An air outlet hole is formed in the top surface of the furnace cover, a chimney base is mounted in the air outlet hole, a fixing plate is arranged at an opening in the upper end of the chimney base, and a smoke exhaust channel in the chimney base is opened or sealed through the fixing plate. The energy-saving stove is simple in structure, the stove cover can be opened without too much force, the hinge is adjusted, the smoke outlet part can be adjusted or the whole stove cover can be opened, the ventilation area can be enlarged, meanwhile, the ash receiving disc and the ventilation holes are integrally designed, cost is saved, and taking and placing are convenient.

The invention relates to the technical field of ships, in particular to a multipurpose ship which comprises a ship body provided with an exposed deck. The crane is arranged on the exposed deck, and the crane is located on one side of the ship body; the chimney is fixedly arranged on the exposed deck, and the chimney is located on the side, provided with the crane, of the ship body; the living building is fixedly arranged on the exposed deck, and the living building is located at the ship bow of the ship body; the cab is arranged at the top of the living building; the bridge assembly comprises a fixed section and a recovery section, the end, away from the recovery section, of the fixed section is fixedly connected with the side wall of the cab, and the recovery section can be unfolded or folded relative to the fixed section. According to the invention, the limitation of the bridge structure can be reduced, so that the cargo loading efficiency is improved, and the exposed deck area can be fully utilized.

The invention discloses a hot rolled steel heating furnace flue gas heat exchange heating desulfurization and denitrification system which comprises a rolled steel heating furnace, a fuel gas heating furnace, a coal side flue gas purification device and an air side flue gas purification device, and the coal side flue gas purification device comprises a coal side smoke discharge pipe, a first preprocessor, a first heater and a first denitrator. The first denitrator is communicated with an inlet of the first preheating assembly, and an outlet of the first preheating assembly is sequentially connected with a first pipeline mixer, a first desulfurizer, a first bag-type dust collector and a first chimney; the air side flue gas purification device comprises an air side smoke exhaust pipe, a second preprocessor, a second heater and a second denitrator, the second denitrator is communicated with an inlet of a second preheating assembly, and an outlet of the second preheating assembly is sequentially connected with a second pipeline mixer, a second desulfurizer, a second bag-type dust collector and a second chimney. According to the system, the flue gas denitration and desulfurization effects are remarkably improved, and the safety and the stability of a denitration and desulfurization process route are improved.

The embodiment of the invention provides a flue gas circulation hydrogen-doped combustion peak regulation and combustion stabilization system. The flue gas circulation hydrogen-doped combustion peak regulation and combustion stabilization system comprises a boiler, a water electrolysis device, a flue gas-hydrogen mixer and a flue gas-hydrogen combustor. The boiler is provided with a burner, and the flue gas-hydrogen burner is arranged on the lowermost layer of the boiler; the water electrolysis device is powered by the power supply device, an anode outlet of the water electrolysis device is communicated with a combustion improver inlet of the combustor, and a cathode outlet of the water electrolysis device is communicated with a hydrogen inlet of the flue gas-hydrogen mixer; a flue gas outlet of the boiler is respectively communicated with an inlet of the chimney and a flue gas inlet of the flue gas-hydrogen mixer; and a mixing outlet of the flue gas-hydrogen mixer is communicated with an inlet of the flue gas-hydrogen burner. According to the system, through hydrogen-doped combustion and oxygen-enriched combustion, boiler combustion is stable and safe during deep peak regulation of a unit, coal consumption is reduced, and cost is saved.

The invention discloses a denitration device and method for reducing low-temperature flue gas catalytic denitration fuel consumption, the denitration device comprises a desulfurization device, a dust remover, an SCR reactor, an induced draft fan and a chimney which are sequentially communicated through flues, and heat exchangers are arranged on the flues at the input end and the output end of the SCR reactor; a heat exchanger is arranged at the input end of the SCR reactor, a hot blast stove and a reducing agent spraying device are sequentially arranged on a flue between the heat exchanger and the input end of the SCR reactor, and a CO oxidation catalyst and a plurality of denitration catalysts located above the CO oxidation catalyst are arranged in the SCR reactor. According to the low-temperature flue gas SCR denitration device, NOx and CO up-to-standard emission of sintering flue gas, steel rolling flue gas and the like which are relatively low in temperature of iron and steel enterprises can be continuously and stably achieved, the requirement of SCR denitration for flue gas temperature rising can be met, fuel consumption of a hot blast stove is reduced, and the low-temperature flue gas SCR denitration operation cost is reduced.

The invention relates to the technical field of bypass ventilation denitration systems, and discloses an intelligent bypass ventilation SCR (Selective Catalytic Reduction) coupling SNCR (Selective Non-Catalytic Reduction) denitration system which comprises a smoke chamber, a cyclone cylinder, a precise ammonia spraying system, an air mixing chamber, a cooling fan, a cold air valve, a dust collection chamber, an SCR reactor, an exhaust fan, a chimney, a stock bin, a bin pump, a compressed air system and an intelligent control system, the air inlet is connected with the smoke chamber, and the feed opening is connected with the bin pump. Under any working condition, NOx emission at a chimney outlet can reach the standard, the ammonia water consumption is lowest, the denitration effect is good, the investment cost is low, the problem that NOx emission of the kiln tail chimney is unstable and prone to exceeding the standard is solved, the catalyst abrasion and blocking risk can be greatly reduced, the catalyst dosage is small, the maintenance cost is low, and the method is suitable for industrial production. And long-term stable operation of the system is realized.

The utility model discloses a kitchen stove with a waste heat recovery system, a chimney cap is fixedly connected to the rear side of the top end of a cooking bench, the chimney cap is communicated with the interior of the cooking bench through a combustion exhaust flue, and the waste heat recovery system comprises a first waste heat recovery pipeline and / or a second waste heat recovery pipeline arranged on the first waste heat recovery pipeline and / or the second waste heat recovery pipeline; the first waste heat recovery pipeline comprises a cooking bench pipeline arranged in a cooking bench and / or a chimney cap pipeline arranged in a chimney cap; the circulating water tank communicates with the first waste heat recovery pipeline and / or the second waste heat recovery pipeline through a circulating water pipeline. The first waste heat recovery pipeline and the second waste heat recovery pipeline are arranged, waste heat of the cooking bench and the smoke exhaust hood is recovered through the circulating water pipeline by means of water, the water returns to the circulating water tank after absorbing heat, and waste heat of the kitchen cooking range is recovered and utilized through hot water heated by the circulating water tank.

The bypass ventilation system comprises an air taking opening formed in a smoke chamber, a quench cooler, a cyclone dust collector, a bag dust collector, an ash bin and a pneumatic conveying device. The quench cooler adopts a volute structure, and an air inlet port of the quench cooler is connected with a quench fan; high-temperature flue gas passing through the quench cooler enters the cyclone dust collector, coarse particles in the flue gas are returned to the decomposing furnace by the cyclone dust collector, and relatively coarse particles are returned to the kiln tail, so that partial material consumption and heat consumption are reduced; fine particle dust separated by the cyclone dust collector enters a cloth bag dust collector to be collected, and clean air is directly discharged into a kiln tail chimney through an exhaust fan; ash collected in the cloth bag dust collector is firstly conveyed into the ash bin, and then the ash is conveyed to the steel bin at the clinker conveying belt or conveyed to the ash temporary storage bin of the water washing workshop and then is subjected to water washing. According to the bypass ventilation system, the skinning problem can be effectively relieved, and stable operation of a production line is guaranteed; and the quality of the cement is ensured.

A system for oxygen-enriched combustion and fly ash melting of stale garbage includes a garbage incineration system, a fly ash melting system and a liquid oxygen gasification system. The garbage incineration system includes a feed hopper, an incinerator, a waste heat boiler, a flue gas purification system, a bag filter, an induced draft fan, a chimney and a fly ash conveying system. The fly ash melting system includes a fly ash melting furnace, a glass collection system, a secondary combustion chamber and a quenching tower. The liquid oxygen gasification system includes a liquid oxygen storage tank and an air-temperature vaporizer. The liquefied oxygen is divided into two routes, one for supplying the grate combustion section of the garbage incineration system and the other for supplying the fly ash melting system. On the one hand, the new type adopts oxygen-enriched combustion technology to effectively increase the furnace temperature of the incinerator; on the other hand, the fly ash generated by garbage incineration enters the fly ash melting furnace, and oxygen-enriched combustion is used to increase the flame temperature. The fly ash does not need to be transported outside, and can be disposed of in an integrated manner in the garbage incineration power plant, which can realize the resource utilization and harmless disposal of stale garbage and fly ash generated by incineration, and has energy saving and consumption reduction.

The invention discloses a double-effect self-driven heat dissipation comprehensive distribution box, and relates to the technical field of comprehensive distribution boxes. The comprehensive distribution box comprises a box body, a plurality of compartments arranged in the box body, differential pressure heat conduction plates arranged on the left and right inner side surfaces of the box body, a guide plate arranged on the inner side surface of a top cover of the box body, first heat dissipation holes formed in the periphery of the top cover, and second heat dissipation holes formed in the left and right outer side surfaces of the box body. On the basis of ensuring that the protection level of the comprehensive distribution box is not affected, through the V-shaped structure of the guide plate, hot air accumulated at the top in the box body is guided to quickly escape through the first heat dissipation holes, heat is efficiently taken away, the temperature in the box body is remarkably reduced, and the effect of weakening the heat island effect is achieved. And meanwhile, the chimney effect generated by the hollow structure of the pressure difference heat conduction plate is utilized, so that the heat dissipation capability in the box body is greatly improved, and the temperature rise of the distribution switch of the comprehensive distribution box is effectively reduced. The device is simple in overall structure, small in size and convenient to install, and the production cost is effectively reduced.

The present invention is portable, collapsible grill assembly having a chimney that folds into the base for storage and that folds into a vertical position to ignite the coals. The collapsible grill assembly has foldable legs, a removable grate, and a collapsible lid that can be arranged to create a small, rectangular collapsed grill for storage and transport.

The invention relates to the technical field of flue gas purification devices, in particular to an air-quenching flue gas purification system and method, an air-quenching flue gas outlet is connected with a flue gas inlet of a flue gas cleaning chamber, and a discharge port of the flue gas cleaning chamber is connected with a feed port of a gas-liquid separator; a flue gas outlet of the gas-liquid separator is connected with the input end of the fan, and the output end of the fan is connected with the chimney; a liquid outlet of the gas-liquid separator is connected with a liquid inlet of the liquid collecting box, a liquid outlet of the liquid collecting box is connected with a liquid inlet of the reservoir, and a steam outlet of the liquid collecting box is connected with the gas-liquid separator; a liquid outlet of the reservoir is connected with an input end of the solution pump, an output end of the solution pump is connected with a circulating liquid pipeline, the first branch is connected with the liquid collecting box, the second branch is connected with the flue gas cleaning chamber, and the third branch is connected with the air quenching slag chamber. According to the invention, the capturing efficiency of dust and gas pollutants in flue gas is improved.

The present invention relates to the technical field of smoke and smoke collection, and specifically to a smoke and smoke sampling device and a sampling method, comprising a sampling gun main body and a moving mechanism, the moving mechanism comprising a mounting tube, the inner side of the mounting tube is rotatably connected to a winding shaft, the outer side of the winding shaft is wound with an air pipe, the outer side of the winding shaft is fixedly connected to a fixing block, the air pipe is clamped on the fixing block, the winding directions of the air pipes on both sides of the fixing block are the same, both ends of the air pipe extend to the outside of the mounting tube, one end of the air pipe is fixedly connected to the sampling gun main body, the other end of the air pipe is fixedly connected to a connecting tube, the front end of the connecting tube is fixedly connected to a sensor, and a fixing component for fixing the mounting tube is arranged on the outer side of the sampling gun main body. The present invention can collect smoke from the side of the chimney to prevent the smoke from causing harm to the collector, and can collect smoke inside the chimney to make the smoke collection data more accurate.

The invention relates to the technical field of transformer heat dissipation, in particular to a finned radiator for an outdoor transformer. The sheet type radiator comprises a plurality of radiating fins, a liquid inlet collecting pipe, a liquid outlet collecting pipe, a heat collecting shed, a plurality of flow guide belts, a photo-thermal assembly and a heat storage assembly. The heat collection shed comprises a contraction cover, an air suction port and an exhaust chimney; the air suction port is communicated with an air flow channel around the cooling fins; the flow guide belt is made of flexible materials, the top end of the flow guide belt extends into the air suction port, and the bottom end of the flow guide belt extends into an air flow channel around the cooling fins. Solar photo-thermal conversion is carried out through the heat collection shed and the photo-thermal assembly, air in the heat collection shed is heated, the acceleration effect of the contraction cover and the chimney effect of the exhaust chimney are combined, hot air is exhausted to the high altitude, and negative pressure suction is formed to promote air between cooling fins to rise; the flexible flow guide belt has the effects of flow guide, flow turbulence and ash removal; the heat storage assembly can maintain efficient heat dissipation of the finned radiator in cloudy and rainy days and at night.

The invention provides an ultra-clean converter one-time dry dust removal method which comprises the following steps: S1, constructing an ultra-clean converter one-time dry dust removal system which comprises a high-effect heat exchanger, a banana bend separator, a rotational flow heat recovery device, a water-cooling chain conveyor, an electrostatic dust collector, a high-temperature-resistant explosion-proof ultra-clean dust collector, a cooling replacement fan, a coal gas axial flow fan and a coal gas washing dehydrator; s2, purification; S3, recovery: passing the qualified coal gas through a recovery cup valve and then conveying the qualified coal gas to a coal gas cabinet; and S4, unqualified coal gas passes through a diffusion cup valve and then is sent to a diffusion chimney for ignition and diffusion. A converter gas waste heat recovery process is adopted, and meanwhile, an ultra-clean dust remover process is adopted, so that the concentration of an outlet of a dust remover can be stably maintained below 5mg / Nm < 3 >.

The invention discloses blast furnace coal injection equipment and a using method thereof, and relates to the technical field of blast furnace coal injection equipment, and the blast furnace coal injection equipment comprises a crusher used for crushing raw coal; the flue gas furnace is used for inputting dry gas generated by combustion of the crusher into the crusher; the bag-type dust collector is connected with the crusher and the induced draft fan, and an air outlet of the induced draft fan is connected with the chimney The top of the pulverized coal bunker is provided with a bunker top dust remover, a plurality of filter bags are arranged in the bunker top dust remover in an array mode, and the bunker top dust remover is connected with a chimney. According to the blast furnace coal injection equipment, the technical problems that a gas medium in a pulverized coal bunker cannot be quickly and effectively discharged and pulverized coal leaks from the pulverized coal bunker due to the fact that water vapor in the pulverized coal bunker is mixed with pulverized coal to form thinner coal slime which can paste a filter bag of a bunker top dust remover are solved; the waste heat of the dry gas is used for drying the filter bag in the bin top dust remover, so that the air permeability of the filter bag is improved, and the coal powder leakage of the coal powder bin is avoided.

The invention discloses fire smoke alarm equipment based on a satellite positioning function, and belongs to the technical field of fire smoke alarm systems. Comprising a smoke alarm and a base, and double interchangeable collecting cylinders are arranged in the smoke alarm. The first collecting cylinder is used for a high-dust environment, and 80% of coarse dust is pre-separated through a large aperture and a settling table. The second collecting cylinder is used for high-humidity environment, small aperture and chimney effect condensation prevention, and the ventilation rate is larger than or equal to 96%. A smoke channel is integrated in an inner cavity of the upper connecting disc, an annular spraying array is arranged on the outer ring of the lower connecting disc, and the integration of detection, positioning and fire extinguishing is achieved. The satellite baseband chip and the infrared maze share an antenna guiding assembly, NMEA coordinates are frozen when smoke exceeds a threshold value, the NMEA coordinates are directly sent to a platform through NB-IoT, the positioning error is smaller than or equal to 2 m, and a platform map is a second-level flash point. The drawer type smoke detection module can be disassembled quickly in 5s, double silica gel sealing and pulse water spraying hole cooling are adopted, and long-term maintenance-free under high-temperature, high-dust and high-humidity conditions is ensured.

The present invention relates to a dust removal and desulfurization tower, comprising a tower body provided with an air inlet and outlet, and a spray unit and a demister provided within the tower body; the spray unit comprising a spray pipe and a nozzle provided on the spray pipe, the spray pipe being connected to an external water source via a water pipe; wherein: a spray zone consisting of a plurality of vertically arranged pipes is provided in the middle and lower portion of the tower body, and spray units are provided above and below the spray zone; a water retaining chimney is provided above the spray zone, and the demister is provided between the water retaining chimney and the air outlet. The present invention has a reasonable layout within the tower, sufficient mixing of exhaust gas and water mist, an increased adsorption area, and improved dust removal and desulfurization efficiency; the chimney design within the tower further increases the chances of water mist collision, thereby improving the exhaust and demisting effect at the air outlet.

The invention belongs to a construction method for reverse ventilation of pilot tunnel and front tunnel acute angle oblique crossing single-head tunneling. In a pilot tunnel construction section, a mode of combining press-in type ventilation and air draft generated by an air draft chimney is adopted for ventilation and dust discharge; ventilation and dust discharge are performed when the pilot tunnel enters the main tunnel within 30 m for construction in a manner of combining press-in ventilation with air draft force generated by an air draft chimney and air exhaust by an air exhaust barrel of a main exhaust fan; ventilation and dust removal for main tunnel construction with the distance larger than 30 m are achieved in the mode that press-in type ventilation, air draft force generated by an air draft chimney, air exhaust of an air exhaust barrel of a main exhaust fan and isolation of a tunnel face construction area through a movable dust isolation wall are combined. The method can ensure that polluted air in a large-area main tunnel can be effectively discharged from a small-area pilot tunnel when the pilot tunnel and the main tunnel are subjected to acute-angle oblique crossing single-head tunneling, so that the construction environment in the main tunnel is better ensured, the construction efficiency is improved, and the method has the advantages of high construction efficiency, low comprehensive cost and remarkable purification effect.

The invention provides a zero-carbon ventilation temperature control and zero-carbon energy system. According to the system, generation of zero-carbon ventilation temperature control and zero-carbon energy is achieved mainly through the chimney effect, wind power generation and energy storage technology principles. The system mainly comprises a wind power pipeline, a wind power generator and an energy storage device, the wind power pipeline generates wind power which pushes the wind power generator to generate electricity, and the electricity is stored by the energy storage equipment for standby application. In summer, various buildings and greenhouses utilize the system to realize zero-carbon ventilation, cooling and energy storage, and the stored green energy can be used for heating in winter.

A microgrid comprises a meter adapter for interconnection to the electric grid, facility loads, and renewable energy resources using connectors, bus bars, and switches. Adapter connectors and internal bus bars and can be stressed with excessive heat rise from heat losses that arise from carrying high currents due to constraints in the physical size and airflow restrictions. Exhaust ports and / or vents are arranged to achieve a chimney cooling effect in such conditions to meet stringent UL requirements against resultant heat rise within a meter adapter.

The invention relates to an energy-saving method for automatic adjustment and use of flue gas waste heat recovery of a garbage power plant, and solves the technical problems that an existing garbage incineration power plant is low in garbage incineration efficiency, the temperature of discharged flue gas is high, and heat of acid flue gas cannot be effectively utilized. A flue gas heat exchanger is arranged from the outlet of the bag-type dust collector to the middle section of the chimney for gas-water heat exchange, and sensible heat in flue gas is extracted to generate heat medium water; 2, the heating medium water is conveyed to a heat exchange unit through a pipeline, and temperature rising and heating of the deoxygenated water are achieved; and 3, the heat medium water subjected to heat exchange and cooling continues to provide heat for the air heating system, and primary air entering the garbage incinerator is heated or hot air entering the garbage bin is heated. The device can be widely applied to waste incineration occasions of waste incineration power plants.

The invention relates to the technical field of metallurgy, one embodiment of the invention provides an environment-friendly and energy-saving smelting furnace for metallurgy, the environment-friendly and energy-saving smelting furnace for metallurgy comprises a smelting table and a smoke cylinder, a smelting barrel is fixedly mounted on the inner wall of the smelting table, and a fixing frame is fixedly mounted at the top of the smelting table; an energy-saving device used for circulating waste gas generated by the equipment and saving energy is arranged on the surface of the smelting barrel and comprises a first motor, the first motor is fixedly installed on the surface of the smelting barrel, a first rotating disc is fixedly installed at the output end of the first motor, and a second rotating disc is rotatably installed on the inner wall of the smelting barrel. A rotating shaft fixedly penetrates through the surface of the second rotating disc, and a second motor is fixedly installed on the surface of the fixing frame. By means of the technical scheme, the technical problem that in the prior art, when materials in equipment are smelted, heat can be possibly conducted to the outside through the inner wall of the equipment, and then energy consumption of the equipment is affected is solved.

The utility model discloses a flue gas denitration system, ammonia gas generation and injection unit and ammonia adsorption-desorption-reuse system, ammonia gas generation and injection unit is connected to the high temperature section of boiler, ammonia adsorption-desorption-reuse system is connected between desulfurization tower and chimney. The ammonia gas generation and injection system injects excessive ammonia gas into high-temperature flue gas, nitrogen oxide is reduced into nitrogen and water, the ultralow emission requirement is met, unreacted ammonia gas is adsorbed and purified through the escaping ammonia adsorption-desorption-recovery system at the tail end and recovered to the ammonia gas injection system for reuse, and it is guaranteed that chimney emission is safe and environmentally friendly. Based on the SNCR system, ultralow emission of nitrogen oxide and closed-loop operation of a reducing agent are realized, one-time investment and operation cost is low, the problem of conventional ammonia escape pollution is solved, and the system is economical and environment-friendly.

The invention relates to the technical field of efficient energy-saving boiler and air pollution automatic monitoring, in particular to a boiler combustion data accurate monitoring system and a carbon emission acquisition method, the boiler combustion data accurate monitoring system comprises an Internet of Things monitoring system, and the Internet of Things monitoring system comprises a code scanning recognition module, a data processing center, a coal usage amount monitoring module and a control module; a unique identification code-green code is given to fuel, and when the accumulated coal usage amount reaches the coal usage amount of the batch, the control module controls the coal blowing-in device to stop. On the basis of a carbon emission actual measurement accounting method, a continuous emission monitoring system is installed at an industrial chimney, a boiler and other emission sources, through actual measurement of the concentration of gas such as carbon dioxide in flue gas and combination of flue gas flow data, the amount of pulverized coal or air is reliably adjusted according to needs, and efficient energy conservation and carbon emission reduction of the boiler are achieved. Penetration type fine management and accurate acquisition of carbon emission data in the industrial production operation process are achieved, and the data are reliable.

The invention relates to a boiler carbon monitoring and four-dimensional combustion optimization method, system, equipment and medium. CO2 / CO online detection devices are arranged at a hearth and a flue of a boiler, and a CO2 online detection device is arranged at a chimney at the tail of the boiler; the method comprises the steps of obtaining historical operation data of a boiler; the historical operation data comprises data detected by the CO2 / CO online detection device and the CO2 online detection device; performing mechanism modeling processing and data driving processing on the historical operation data to obtain a carbon monitoring and intelligent four-dimensional combustion optimization model; acquiring to-be-processed operation data of the boiler in a combustion state; analyzing the to-be-processed operation data by using the carbon monitoring and intelligent four-dimensional combustion optimization model to obtain an optimization strategy; and controlling the boiler to perform optimized combustion based on the optimization strategy. By the adoption of the method, efficient combustion, low nitrogen and carbon emission, low-corrosion operation and intelligent operation of the boiler can be guaranteed.

The utility model relates to a smelting furnace heat recovery device. The device comprises a furnace body, a collecting cover, a chimney, an air inlet pipe, an exhaust pipe, a waste heat recovery assembly and a tail gas treatment chamber, the chimney connected with the exhaust pipe is arranged at the top end of the furnace body, the collecting cover is arranged outside the furnace body and connected with the exhaust pipe through the air inlet pipe, the end of the exhaust pipe is connected with the waste heat recovery assembly, and the waste heat recovery assembly is connected with the tail gas treatment chamber. According to the scheme, tail gas heat can be fully utilized, and the resource utilization rate is increased.