6224 results about "Flue" patented technology

The invention relates to the technical field of control and regulation systems, in particular to a hearth auxiliary regulation control system which comprises a data processing module, an analysis module, a control module, a regulation and control module, an optimization module and a safety early warning module. The data processing module collects temperature data of a hearth combustor area, a water cooling wall and a tail flue in real time through a distributed temperature sensor network, and a dynamic combustion field three-dimensional model is generated through Kalman filtering denoising, redundancy cross validation and a temperature compensation algorithm in combination with combustor flame position signals and an air door opening state. And the optimization module updates the strategy weight based on the combustion efficiency improvement rate, and reinforces learning to extend the adaptive boundary of the strategy library. And the safety early warning module calculates the matching coefficient of the pipe wall temperature and the allowable stress in real time, triggers a grading intervention strategy to reduce the overtemperature risk, forms full-process closed-loop control, and improves the thermal efficiency and the operation safety of the boiler.

A system and method for, removing carbon dioxide from a carbon dioxide laden gas mixture, the system comprising a group of carbon dioxide removal structures moving along a closed curve track. At one location along the track is located a desorption or regeneration box, into which each capture structure passes in order to be regenerated. The majority of the CO2 removal structures are fed ambient air, or an admixture of ambient air with a minor portion of a flue gas, and exhaust CO2-lean air. At least one selected such removal structure within each group, at a location immediately preceding its entry into the capture structure, is fed a flue gas comprising at least 4% CO2 by volume. A method for removing carbon dioxide from the atmosphere is provided utilizing a system operating in the same manner as the preceding system.

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.

The invention relates to the field of flue accessories, in particular to a flue gas baffle door capable of quickly responding, which is characterized in that through a vent hole formed in a door plate and a plugging block linked with a piston disc, the plugging block is far away from the vent hole when being extruded by flue gas, and a flowing gap of which the flowing area is gradually increased as the plugging block is far away from the vent hole is formed between the plugging block and the vent hole; meanwhile, the spring installed at the end of the piston disc is matched, so that the plugging block moves along with the smoke discharge capacity, the circulation area of the circulation gap is dynamically adjusted, passive response adjustment of the circulation area is achieved, and the situation that a traditional door blocking plate can only be electrically adjusted through a mechanical traction mechanism is replaced; the timeliness of flow area adjustment and the response sensitivity are improved; in addition, through a magnetic ring installed in the piston disc and an electromagnetic coil installed in the shell wall of the piston barrel, the electromagnetic coil is used for driving the magnetic ring and the piston disc on the outer side of the magnetic ring to transversely move in the piston barrel, and faster active response adjustment is achieved.

Disclosed is a mixed combustion system fueled with ammonia, hydrogen and natural gas, which comprises a furnace chamber, a combustor, a heat exchanger, a mixer and a storage tank, the combustor and a conical combustion cavity are installed in the furnace chamber, the storage tank is provided with a first branch pipeline through a conveying pipe to be connected with the heat exchanger, the heat exchanger is connected with an inlet of the mixer, and an outlet of the mixer is connected with a fuel inlet of the combustor; and the conveying pipe is provided with a second branch pipeline connected with an ejector port of a first ejector, the first ejector is installed on a flue gas recirculating pipe connected with a furnace chamber flue gas exhaust pipeline, and the other end of the flue gas recirculating pipe is connected with an auxiliary fuel inlet of the combustor.

According to the boiler heating surface crack detection method based on millimeter-wave radar imaging, the millimeter-wave radar is used for boiler heating surface detection, the limitation of a traditional visual means in smoke shielding and weak light environments is broken through, millimeter-wave radar detection equipment is integrated on a small unmanned aerial vehicle / robot platform, and the detection accuracy is improved. The compact mobile intelligent terminal is formed and can go deep into narrow or high-risk areas such as a boiler furnace, a horizontal flue and a tail flue which are difficult for personnel to enter to execute detection, and compared with a traditional method that equipment needs to be disassembled or scaffolds need to be erected for inspection, the mobile terminal scheme greatly reduces the difficulty of overhaul preparation and implementation, and the maintenance efficiency is improved. Through multi-angle and multi-frame radar image super-resolution fusion, presentation of cracks in the images is remarkably enhanced, tiny anomalies are clear and distinguishable in a complex background, defect features are automatically extracted by introducing the convolutional neural network, and the method is more objective and accurate compared with manual rule discrimination.

The invention discloses a pyrolysis recovery system for cooperative treatment of waste wind power blades by a power station boiler, and belongs to the technical field of solid waste recovery. The system comprises a power station boiler, a pyrolyzing furnace, a mixed flue, a nitrogen air flue and a controller. Oxygen is accurately controlled by mixing flue gas at different temperature levels and mixing nitrogen, and a safe and stable heat source is provided for the pyrolyzing furnace; pyrolysis gas returns to a boiler hearth through an outlet flue to be burnt out, and recyclable fibers and residues are conveyed out through a chain grate stoker; and the controller is linked with each sensor to execute oxygen control, temperature regulation, fiber quality protection and safety interlocking operation. The problems that in pyrolysis of the waste wind power blade, heat source adaptability is poor, oxygen concentration is out of control, fiber quality is poor, the risk is high, and pyrolysis gas is difficult to dispose are solved, and gradient utilization of energy, intrinsically safe operation, high-quality and high-purity recovery of fibers and collaborative treatment of pollutants are achieved.

The present invention relates to a system, apparatus, and method for the dual-purpose functionality of capturing carbon dioxide (CO2) from atmospheric and flue gas sources and concurrently generating electrical energy. More specifically, this patent application focuses exclusively on the non-ionized hydrogen gas turbine variant of the apparatuses and methods for capturing carbon dioxide and electrical energy generating system invention. The invention embodies an integrated system designed for the efficient capture of CO2 and simultaneous production of clean electricity. To simultaneously generate electric power at maximum efficiency and capture carbon dioxide, the present invention comprises different integrated processes, integrated systems, and techniques. The present system comprises; a non-ionized hydrogen gas turbine system unit, a carbon dioxide capturing system unit, a hybrid solar Hydrogen-Oxygen gas generator system system unit and waste heat recovery system unit. Moreover, the system comprises waste-heat-based carbon dioxide absorption and waste-heat-based regeneration sub-units to power carbon dioxide capturing parts by waste heat. All the systems of units are developed, integrated, hybrid, and co-functionally working to simultaneously enhance both CO2 capture efficiency and electricity generation. Through these integrated processes, systems, and techniques, the invention aims to generate and maximize clean electrical power output while effectively capture CO2 and reducing CO2 emission impacts on the environment with a dual solution approach. The invention further includes various alternative embodiments, and invention versions for versatile application in CO2 capture and energy production fields.

It has been discovered that heat energy may be captured from the flue gas from a pyrolysis reactor, which was previously lost due to exhausting. More particularly, it has been discovered that residual heat energy from pyrolysis flue gas in a chemical recycling facility may be used to preheat waste plastic streams and provide heat for waste plastic pyrolysis. Consequently, the pyrolysis processes and systems described herein may obtain a lower carbon footprint.

The utility model discloses portable equipment for measuring the carbon emission rate of a fixed source. The portable equipment comprises a box body, a signal processing module, a first flue gas parameter measuring module and a second flue gas parameter measuring module, the first flue gas parameter measurement module comprises a pitot tube, a static pressure tube, a differential pressure sensor and a static pressure sensor, the differential pressure sensor is connected with the pitot tube, and the static pressure sensor is connected with the static pressure tube; the second flue gas parameter measurement module comprises a sampling pipe, a temperature sensor, a humidity sensor and a carbon dioxide concentration sensor, the temperature sensor is arranged in the sampling pipe and close to the sampling port, the humidity sensor is arranged in the sampling pipe, and the carbon dioxide concentration sensor is arranged in the sampling pipe and located at the end, without the sampling port, of the sampling pipe; a main discharge pipe is arranged in the box body, the main discharge pipe penetrates out of the box body, and one end, positioned in the box body, of the sampling pipe is connected with the main discharge pipe. According to the utility model, only one sampling hole is needed, the difficulty of insufficient sampling holes of the flue of the power plant is solved, the application scene of the detection device is expanded, and the environmental adaptability is improved.

The invention belongs to the technical field of smoke dust and flue gas sampling, and particularly relates to a smoke dust and flue gas sampling gun with a convenient-to-assemble and disassemble gun feeding support, the smoke dust and flue gas sampling gun comprises a sampling mechanism, the sampling mechanism comprises a sampling gun main body, a gun barrel and a smoke dust and flue gas sensor, the gun barrel is detachably sleeved with a centering fixing mechanism, a plugging mechanism and a pushing mechanism, the plugging mechanism penetrates through the centering and fixing mechanism and is fixedly connected with the centering and fixing mechanism, the pushing mechanism is fixedly connected with the plugging mechanism, and the centering and fixing mechanism is used for being fixedly connected with a flange plate of a flue and enabling the plugging mechanism and a sampling pipeline to be coaxially arranged. The device can be fixed on flange plates of different flues through the centering and fixing mechanism, the flange plates and the plugging mechanism can be always in a coaxial state, then sampling mechanisms of gun barrels with different pipe diameters can be pushed to move through the pushing mechanism, the position of a smoke dust and flue gas sensor in the flues can be accurately adjusted, and the sampling accuracy of the smoke dust and flue gas sensor is improved. And long-time manual supporting is not needed.

The invention relates to a boiler flue gas temperature dynamic compensation method based on CFD-reinforcement learning, and belongs to the technical field of boiler operation control. The method comprises the steps that boiler operation parameters and flue gas temperature data are collected in real time, a multi-scale coupling three-dimensional CFD model is constructed, a macroscopic gas-solid two-phase flow-combustion reaction-radiation heat transfer coupling algorithm and a microcosmic pulverized coal particle combustion dynamics algorithm are fused, and hearth and flue temperature distribution is simulated and output; building a CFD-reinforcement learning fusion agent based on a CFD model, taking similar working condition agent parameters as initial values, combining historical and virtual data staged training, and reinforcing the weight of a key temperature measurement point through a focusing regulation and control strategy; an echo state network-predictive control collaborative algorithm is adopted, real-time data are input to obtain an initial adjustment amount, and after security constraint optimization, a compensation execution mechanism is controlled to act. The flue gas temperature is accurately and dynamically compensated, the adaptability to complex working conditions is improved, and equipment safety and operation efficiency are both considered.

Disclosed herein natural gas power generating systems comprising a post-combustion carbon capture (PCC) unit configured to remove carbon dioxide from a waste gas to create a flue gas, a direct air capture (DAC) unit configured to adsorb carbon dioxide from an atmospheric gas, and a compression unit configured to receive at least one of: (i) carbon dioxide gas from the first carbon dioxide rich outlet line and (ii) carbon dioxide gas from the second carbon dioxide rich outlet line to create a compressed carbon dioxide product. The DAC unit can further generate steam using a heat exchange with steam generated by a HRSG. The DAC unit can further comprise a sorbent module containing the sorbent bed. The sorbent module can have a carbon capture state configured to adsorb carbon dioxide and a regeneration state configured to contact steam with the sorbent bed.

The present application provides a domestic sludge self-sustaining incineration process, comprising primary drying, secondary drying, crushing, and incineration, comprising: performing primary drying on domestic sludge by using dry hot air to obtain sludge having a moisture content of 40% to 55%; then performing secondary drying by using hot flue gas produced during incineration to obtain sludge having a moisture content not higher than 20%; further crushing the sludge and mixing the crushed sludge with hot flue ash produced during incineration, and feeding the mixture into an incinerator to undergo self-sustaining incineration at 850°C to 950°C; and performing solid-gas separation on high-temperature flue gas produced after combustion, wherein the obtained hot flue gas is returned back for secondary drying and the obtained hot flue ash is mixed with the crushed sludge. The present application further provides a device for the treatment process. According to the treatment process of the present application, self-sustaining combustion can be safely and stably completed after drying pretreatment is performed on domestic sludge having a high moisture content; no auxiliary fuel needs to be added during incineration, and heat energy of the system can be fully utilized; reduction treatment of domestic sludge can be achieved.

The present invention belongs to the technical field of ceramic waste gas treatment, and in particular, relates to a ceramic waste gas desulfurization and dust removal device, including a desulfurization tower, a wet electrostatic precipitator mechanism and a PLC controller. The desulfurization tower and the wet electrostatic precipitator mechanism are connected through a flue gas conveying channel, and the lower end of the desulfurization tower is fixedly connected to an inlet flue. The present invention adopts a one-stop purification equipment, which occupies a small area and can achieve a good treatment effect on multiple pollution factors such as particulate matter, sulfur dioxide, nitrogen oxides, etc. in the flue gas at one time. The desulfurization process technology is mature, and the desulfurization efficiency is greater than 99%, which can meet the flue gas treatment needs of various capacities. The wet electrostatic precipitator has high efficiency, and uses water spraying to clean the dust on the electrode surface. There is no secondary dust generation, which can ensure that the dust emission concentration at the outlet of the dust collector is ≤5mg / Nm 3 It can better adapt to the current environmental protection management status of the building ceramics industry, has good market promotion value, and has significant environmental and resource benefits.

The invention relates to the technical field of component detection, and discloses a carbon dioxide monitoring method and system for an offshore FPSO power station heat pump. The method comprises the following steps: performing component analysis and heat exchange treatment on the FPSO power station flue gas to obtain pretreated flue gas and pretreatment parameters, and performing component detection and water washing purification to obtain first clean flue gas and first treatment data; performing temperature field analysis and absorption monitoring on the first clean flue gas to obtain second clean flue gas, amine-rich liquid and second processing data; performing mass transfer detection and deep absorption on the second clean flue gas to obtain third clean flue gas, a first lean amine solution and absorption parameters; performing energy analysis and regeneration treatment on the rich amine solution to obtain carbon dioxide gas, a second lean amine solution and regeneration parameters; and performing purity analysis and liquefaction treatment on the carbon dioxide gas to obtain liquid carbon dioxide and quality parameters. According to the invention, the efficiency and accuracy of carbon dioxide monitoring for the heat pump of the offshore FPSO power station are improved.

According to the incineration pollution cooperative control method based on multi-target reinforcement learning, a multi-modal sensor array is deployed in a hearth, a flue and a fly ash processing unit, multiple parameters such as combustion temperature and flue gas retention time are collected in real time to construct a high-dimensional dynamic characteristic matrix, and data collection and processing are carried out to meet subsequent model requirements. Based on the dynamic characteristic matrix, defining three types of objective functions of pollutant emission minimization, fly ash metal recovery rate maximization and resource cost minimization, adopting a depth deterministic strategy gradient algorithm to construct a multi-objective reinforcement learning joint optimization model, and taking a combustion air ratio and the like as an action space; and strategy exploration and value evaluation are realized through a dual-network structure. Meanwhile, a priority evaluation module based on fuzzy logic is constructed, the weight coefficient of an objective function is dynamically adjusted according to real-time working conditions, and dynamic weight distribution and multi-objective collaborative optimization control are achieved. According to the method, multiple targets in the waste incineration process can be effectively balanced, the incineration efficiency and the resource utilization level are improved, and pollutant emission is reduced.

The utility model discloses anti-condensation equipment which comprises a shell, an induced draft fan is fixedly connected to the top of the inner side face of the shell, an air duct is fixedly connected to the side, close to the induced draft fan, of the inner side face of the shell, and a refrigerator is fixedly connected to the middle of the inner side face of the air duct. According to the anti-condensation equipment, the induced draft fan, the refrigerator, the condensation pieces, the heater and the exhaust fan are arranged, the induced draft fan enables external air to enter the air flue through the through holes, external humid air is cooled on the condensation pieces to generate condensation and be cooled, and therefore low-temperature dry air is obtained and then is primarily heated under the action of the heating end of the refrigerator; the heater heats the primarily heated air to a proper temperature, and finally, the dry air is reduced and conveyed into the shell under the action of the exhaust fan, so that the dryness of the air is effectively improved, condensation caused by too low temperature of the air in the equipment can be prevented, and the dehumidification and condensation prevention effects are achieved.

The invention belongs to the technical field of flue gas treatment, and particularly relates to a flue gas desulfurization and denitrification integrated device and method for a blast furnace hot blast stove. An outlet of a heat exchanger is connected with a booster fan, a cold air mixing valve is connected between the heat exchanger and the booster fan, and an outlet of the booster fan is connected with an inlet flue of a semi-fixed bed adsorption tower; an outlet flue is arranged on the side wall of the semi-fixed bed adsorption tower, the outlet flue and the inlet flue are arranged on different sides of the semi-fixed bed adsorption tower, the reducing agent storage device is connected with the injection structure, the injection structure is inserted into the inlet flue wall of the semi-fixed bed adsorption tower through a pipeline, and the semi-fixed bed adsorption tower is connected with the bed intermittent operation control system. An outlet pipeline at the bottom of the semi-fixed bed adsorption tower is connected with a discharging chain, the discharging chain is connected with a discharging bin, a feeding opening in the top end of the semi-fixed bed adsorption tower is connected with a feeding chain, and the feeding chain is connected with a feeding bin. The device completes desulfurization and denitrification in the semi-fixed bed adsorption tower, no additional device is needed for denitrification, the occupied area is small, and the investment is low; by-products can be comprehensively utilized, and zero waste discharge is realized.

A method includes combusting a fuel stream in a combustion unit in the presence of a first oxygen enriched carbon dioxide stream received from an anode of an electrolyzer to generate a hot flue gas stream comprising carbon dioxide, steam, unconsumed oxygen, NOx and SOx, cooling the hot flue gas stream in a heat exchanger by supplying a water stream to the heat exchanger as a heat transfer medium to generate a cooled flue gas stream effluent, processing the cooled flue gas stream effluent in one or more separation units to generate a carbon dioxide rich gas stream and a carbon dioxide lean gas stream, and passing the carbon dioxide rich gas stream to the anode of the electrolyzer to generate a second oxygen enriched carbon dioxide stream for sending to the combustion unit.

The invention relates to the technical field of automatic control, and discloses an intelligent ash deposition prevention self-cleaning system for a flue of a low-temperature economizer of a coal-fired power plant. According to the system, data such as temperature, humidity and flue gas components in a flue are acquired in real time through the data acquisition module, the dust deposition condition and cleaning requirements of the flue are accurately evaluated, the omission phenomenon caused by misjudgment in the manual cleaning process is avoided, the data processing and analysis module improves the data processing precision, and the data processing and analysis efficiency is improved. The system can also monitor the running state of the flue in real time, so that a cleaning instruction is automatically sent out when necessary, the timeliness and effectiveness of cleaning work are ensured, the cleaning execution module can efficiently remove accumulated dust while reducing the temperature of the flue through a mode of combining high-pressure airflow, a vibration device and a water spraying system, the time needed by cleaning is remarkably shortened, and the cleaning efficiency is improved. And the monitoring feedback module evaluates the cleaning effect, it is ensured that each time of cleaning can reach the preset standard, and the intelligent level and safety of flue cleaning are further improved.

According to the low-resistance and low-leakage bag type dust collector provided by the utility model, the air inlet main flue is directly arranged in the middle box body of the dust collection module unit, and is directly perforated to serve as a branch air inlet to enable flue gas to enter the filter chamber, so that a complicated external flue structure in the traditional design is reduced, the resistance of the flue gas in the transmission process is reduced, and the dust collection efficiency is improved. Meanwhile, the heat loss of the flue is reduced; the top of the flue gas chamber is provided with a mounting hole convenient for the cloth bag assembly to enter and exit, the side wall is provided with a manhole door convenient for entering the inside for maintenance, and other openable structures are not arranged any more, so that the leakage rate is reduced, and low-temperature gas invasion is reduced to the greatest extent. Smoke at the outlet of the cloth bag assembly directly flows into the flue gas chamber and then flows out of the smoke outlet connector, and smoke resistance is reduced. The guide shutter mechanisms are arranged at the branch air inlets, smoke can be guided, smoke resistance can be reduced, smoke speed reduction and particulate matter sedimentation are achieved, and the situation that smoke carries large-particle dust to abrade a cloth bag, sparks burn the bag and the like is prevented.

The invention relates to the technical field of metal smelting, and discloses a control system and method for a multi-gun top-blown immersion bath smelting furnace, and the smelting furnace comprises a furnace wall surface, a bath solution, a metal sulfur discharge port, a slag outlet, swirl vanes, a feeding port, spray guns and a flue outlet. The system comprises a data acquisition module which is used for monitoring the temperature, the liquid level, the components and the material state in the multi-gun top-blown immersion molten pool smelting furnace in real time to obtain monitoring data in the multi-gun top-blown immersion molten pool smelting furnace; the data analysis module is used for cleaning the monitoring data to obtain the cleaned monitoring data, performing dimension reduction on the cleaned monitoring data, and identifying key features influencing the smelting quality and efficiency; and the prediction feedback module is used for constructing a smelting process theoretical model and an interaction model, and realizing dynamic monitoring data prediction and adaptive multi-gun top-blown immersion bath smelting furnace parameter adjustment in the smelting process. The output of the spray gun is automatically adjusted, system abnormity is prevented, and early warning is given out in time when potential risks occur.

The invention discloses an automatic control method for the air introduction amount of a dry quenching furnace, and relates to the technical field of dry quenching, and the method comprises the following steps: collecting CO and H concentration distribution data and dust concentration gradient data in an annular flue of the dry quenching furnace, and boiler inlet temperature and circulating gas flow in real time; establishing a multi-parameter coupled dynamic prediction model, and predicting coke burn-out rates and boiler thermal efficiency under different air introduction amounts; an optimal air introduction amount threshold value is calculated through a model prediction control algorithm; on the basis of the optimal air introduction amount threshold value, the opening degree of an electric valve of an air introduction pipe is dynamically adjusted, meanwhile, displacement compensation of a servo mechanism at the position of an introduction opening in the annular flue is triggered, and an introduction point is made to be located in the optimization interval of the CO concentration, the Hconcentration and the dust concentration all the time; and a self-adaptive correction module is established, when it is detected that coke maturity is abnormal and coke discharge temperature fluctuation is abnormal, a compensation control mode based on deep reinforcement learning is automatically switched, and dynamic prediction model parameters are updated.

The utility model discloses a medium-temperature low-dust denitration device suitable for cement clinker production line flue gas, which comprises a dust removal denitration tower, and the dust removal denitration tower is composed of a gas inlet flue, a dust hopper, a filter chamber, a gas purification chamber, a reducing gradually-shrinking connecting flue and a denitration reactor which are communicated in sequence; a dust removal cloth bag is arranged in the filter chamber, a filter bag ash removal mechanism is arranged in the gas purification chamber, a rectification grid is arranged in the reducing and gradually-shrinking connecting flue, and a high-temperature catalyst layer is arranged in the denitration reactor; according to the dedusting and denitration tower provided by the invention, the dedusting and denitration tower is characterized in that a connecting flue of a deduster and a denitration reactor adopts a reducing and gradually-shrinking connecting flue structure, so that on one hand, a flue gas flow field entering a first-layer catalyst of the denitration reactor is obviously uniform, and the denitration effect is obviously improved; on the other hand, the construction cost is also obviously reduced; the device is simple in structure, convenient to operate and worthy of popularization.

The invention provides a steelmaking electric arc furnace and a steelmaking method thereof.The steelmaking electric arc furnace comprises an electric arc furnace body and a horizontal waste steel conveying and preheating device, and the electric arc furnace body is arranged at an outlet of the horizontal waste steel conveying and preheating device and used for receiving waste steel from the horizontal waste steel conveying and preheating device; the received scrap steel is smelted to obtain molten steel and slag; the horizontal waste steel conveying and preheating device is used for preheating the waste steel received from the waste steel feeding device and conveying the preheated waste steel to the electric arc furnace body; the horizontal steel scrap conveying and preheating device comprises a steel scrap conveying device, a horizontal connecting trolley, a horizontal connecting trolley smoke hood, a steel scrap preheating channel smoke hood, a dynamic sealing device, a gas collecting header pipe, a primary flue and a settling chamber. By means of the technical scheme, the double effects of reducing smelting energy consumption and improving the production rate can be achieved.

The invention relates to a life-prolonging, resistance-reducing, energy-saving and consumption-reducing comprehensive technology for all systems of a pilot-operated type smoke gathering and conveying flue. The problems that the surface of a filter screen cannot be cleaned while the flue is used and the like are effectively solved. According to the technical scheme, the device comprises a pipeline, a filter screen is arranged in the pipeline, a clamping strip is arranged on the surface of the filter screen in a sliding mode, a lifting strip is rotationally arranged on the lower surface of the clamping strip, and a linkage mechanism is arranged on one side of the lifting strip. Clamping strips designed in the scheme can be driven by a lifting strip to move up and down, a filter screen can be jacked up in the upward moving process, dust is made to move towards the two sides, dust removal rods on the two sides can convey the dust to the outside conveniently, the clamping strips can be made to deviate left and right in the upward moving process, and the dust removal efficiency is improved. Due to left-right deviation, the filter screen can slide on the clamping strips, and air can be discharged from the bottom of the filter screen to blow out dust in the sliding process.

The invention provides a CFB (circulating fluid bed) boiler for heating molten salt by sucking smoke in a tail flue, and belongs to the technical field of CFB boilers coupled with molten salt heat storage. The problem that the scale and efficiency improvement of industrial production are seriously limited due to the fact that a traditional CFB boiler unit is generally lack of high-capacity and high-parameter industrial gas supply capacity is solved. The system comprises a hearth, a separating and returning system and a tail flue, the separating and returning system comprises a cyclone separator, and a low-temperature superheater high-temperature section, a low-temperature superheater low-temperature section, a high-temperature economizer, an SCR device, a low-temperature economizer and an air preheater are sequentially arranged in the tail flue in the flowing direction. A high-temperature flue gas leading-out pipeline is arranged between the low-temperature superheater high-temperature section and the low-temperature superheater low-temperature section, a low-temperature flue gas leading-out pipeline is arranged between the high-temperature economizer and the SCR device, and the outlet end of the high-temperature flue gas leading-out pipeline and the outlet end of the low-temperature flue gas leading-out pipeline are both connected with the inlet end of the mixer. The device is mainly used for the CFB boiler unit.

The invention discloses an atmospheric pollutant and greenhouse gas collaborative emission reduction effect evaluation method, and relates to the technical field of atmospheric pollutant emission reduction, and the method comprises the following steps: at the initial stage of the whole process, setting an initial reference flow rate for flue gas according to a historical average empirical value, and introducing the flue gas into a flue; when flue gas enters a flue at an initial reference flow rate, multiple types of sensors are arranged at key positions of the flue, and real-time monitoring and high-frequency sampling are carried out on the flue gas flow state; and carrying out comprehensive analysis on the collected flue gas flow state data by utilizing a pre-trained deep learning model, and identifying a potential turbulent flow risk in the flue gas. The turbulent flow risk is intelligently identified and regulated through the deep learning model, the flue gas flow rate is dynamically optimized, the SCR reaction efficiency and the flow field uniformity are effectively improved, the problems of NOx exceeding and ammonia escape are solved, and cooperative emission reduction of pollutants and greenhouse gas and multi-target optimization of system operation are achieved.

The invention relates to the technical field of flue gas purification and discloses a flue gas low-temperature adsorption, regeneration and purification system for realizing return balance of nitrogen oxides, the flue gas low-temperature adsorption, regeneration and purification system comprises a boiler, an adsorption and regeneration device and a regeneration rich gas circulating pipe, the boiler comprises a boiler body and a flue, and a hearth is arranged in the boiler body; the flue is communicated with the hearth to discharge smoke in the hearth, and the hearth is provided with a first combustion area with the temperature larger than or equal to 700 DEG C. The adsorption regeneration equipment is connected with the flue of the boiler. The inlet end of the regeneration rich gas circulating pipe is connected with the flue gas adsorption regeneration equipment, and the outlet end of the regeneration rich gas circulating pipe is communicated with the first combustion area of the hearth, so that the regeneration rich gas is conveyed into the first combustion area of the hearth. According to the flue gas low-temperature adsorption, regeneration and purification system for realizing the return balance of the nitrogen oxides, disclosed by the embodiment of the invention, the content of NOx in the system cannot be continuously increased, the NOx balance is realized, the regeneration rich gas treatment process is simple, the cost is low, and the boiler runs safely.