6548 results about "Incineration" patented technology

A process system and process method for treating hydrogen sulfide-containing acid gas. The process system comprises a sulfur recovery unit, a tail gas treatment unit having an acid gas concentration function, and a flue gas alkaline scrubbing unit. The method comprises: subjecting sulfur-containing tail gas to concentration treatment by means of an absorption column (1) of the tail gas treatment unit, and then introducing same into the sulfur recovery unit to undergo a Claus reaction for separation, so as to obtain sulfur and sulfur recovery tail gas; introducing the sulfur recovery tail gas into the tail gas treatment unit, successively carrying out combustion and hydrotreating, and introducing the obtained gas into the absorption column (1) of the tail gas treatment unit; and in the tail gas treatment unit, introducing gas absorbed by the absorption column (1) into the flue gas alkaline scrubbing unit, and successively carrying out incineration and alkaline scrubbing, so as to discharge desulfurized gas. The content of SO2 in the tail gas treated by the process system is ≤50 mg / Nm3, and the requirements for full-period standard reaching of sulfur dioxide emission of tail gas during startup, shutdown and normal operations can be satisfied.

The embodiment of the invention relates to the technical field of artificial intelligence, in particular to a waste incineration large model domain knowledge self-adaptive extraction method and system based on dynamic confidence evaluation, and the method comprises the steps: carrying out the dynamic word segmentation of preprocessed text data, and obtaining a dynamic word segmentation result; performing domain term confidence analysis according to a dynamic word segmentation result to obtain a dynamic term confidence score; generating a candidate domain term set based on the dynamic term confidence score; screening the candidate domain term set according to a confidence score threshold, and constructing a waste incineration domain knowledge dictionary according to a screening result; the waste incineration domain knowledge dictionary is merged into a preset large model bottom layer dictionary, and a merged knowledge dictionary is obtained; analyzing the target working condition document based on an AI algorithm model corresponding to the merged knowledge dictionary, and generating an operation instruction question and answer pair; and performing parameter fine adjustment on the AI algorithm model by adopting the operation instruction question and answer to obtain a target algorithm model.

The invention relates to an incineration closestool sealing cover structure which comprises a buffering structure, an incineration structure, a carrier and a rotating power device provided with a rotating power shaft. The cache structure comprises a release part and a cache groove provided with a release opening, the release part is hinged to the cache groove and shields the release opening, and the incineration structure comprises an incineration sealing part and an incineration container provided with an incineration container opening; the incineration sealing piece is located between the release piece and the incineration container and directly or indirectly covers an opening of the incineration container completely. A heating device is arranged in the incineration container; the incineration sealing piece is provided with a front end shaft and a rear end shaft; the carrier is provided with a front end shaft sliding groove and a rear end shaft sliding groove. A rear sliding groove height difference exists between the two ends of the rear end shaft sliding groove. According to the device, the incineration sealing part can be kept clean; the sealing performance between the release part and the buffer groove can be ensured; and the assembly difficulty is low.

The invention discloses an operation balance optimization method for a waste incineration thermal power plant. Efficient and environment-friendly waste treatment and green energy recovery are achieved through regulation and control of core parameters. Comprising an intelligent control system, a carbon cyclic utilization technology and a flue gas purification technology, an optimization model taking comprehensive net income maximization and carbon emission intensity minimization as targets is constructed, a garbage heat value, incinerator temperature, steam parameters, power generation efficiency, station service power consumption rate and the like are selected as core parameters, an operation balance optimization target function is constructed, and the comprehensive net income maximization and the carbon emission intensity minimization are realized. And through an intelligent control system, key parameters such as the incinerator temperature, the excess air coefficient and the flue gas treatment temperature are monitored and adjusted in real time, it is ensured that garbage is fully combusted in the incinerator, harmful gas emission is reduced, and the power generation efficiency is improved. Compared with the prior art, efficient operation of the waste incineration thermal power plant and maximum utilization of green energy are achieved, and remarkable economic and environmental benefits are achieved.

The invention provides a nitrogen oxide incineration equipment control method for drying carbonization, which comprises the following steps: acquiring combustion characteristic data of high-humidity sludge blocks in a fluidized bed incinerator, and extracting nitrogen oxide peak intensity, occurrence time, duration and peak shape steep degree to obtain a parameter set; real-time load data of the induced draft fan are obtained, the hearth negative pressure stability fluctuation range is analyzed in combination with the adjustment value, and if fluctuation exceeds a preset safety range, the load adjustment amplitude of the induced draft fan is calculated, and a load adjustment curve is generated; a multi-actuator cooperative control time sequence model is constructed based on the load adjustment curve and the adjustment value, the nitrogen oxide peak generation time and the duration are fused, the cooperative adjustment time sequence of secondary air supply and the draught fan load is calculated, and a control instruction is generated; and a control instruction is transmitted to a fluidized bed incinerator executing mechanism, the opening state of the tuyere and the air volume ratio are adjusted, the load of the induced draft fan is updated, and the adjusted hearth operation parameters are continuously monitored.

The invention discloses a self-detoxification process in a household garbage incineration fly ash incineration power plant, which comprises the following steps of: removing chlorine salt and water-soluble and acid-extracted heavy metals in fly ash in a multi-stage countercurrent mode of combining two-stage water washing, acid pickling and water washing to obtain dechlorinated and heavy metal-removed fly ash wet slag; the fly ash is compatible with high-calorific-value general industrial solid waste or aged low-water-content high-calorific-value household garbage, and a fly ash derived fuel rod is pressed; and secondary incineration is carried out through cooperation of an incineration system in the household garbage incineration power plant, so that dioxin detoxification of the fly ash is completed. According to the technology, existing equipment and resources of a waste incineration plant are fully utilized for carrying out in-site fly ash disposal, the fly ash resource utilization cost is saved, the problem of fly ash resource utilization product disposal is solved, and great social benefits are achieved.

The invention relates to a waste incineration flue gas pollutant control technology, and aims to provide a waste incineration flue gas multi-pollutant collaborative prediction and intelligent control method and system. On the basis of a deep learning method, a collaborative prediction model for four types of pollutants in waste incineration flue gas is constructed; then, a multi-objective optimization method is combined, and a cost index function considering the absorbent dosage and an environmental protection index function considering the pollutant emission are constructed; and the optimal usage data of the absorbents corresponding to the flue gas pollutants are solved by using a multi-objective optimization algorithm, and finally, the opening degrees of various absorbent feeding valves are adjusted and controlled according to the optimal usage data feedback, so that the intelligent control of the multiple pollutants in the waste incineration flue gas is realized. According to the invention, accurate collaborative prediction of multiple pollutants in waste incineration flue gas can be realized, and the hysteresis problem of traditional flue gas pollutant emission monitoring equipment is effectively overcome; the pollutant control cost of the flue gas purification system is reduced to the maximum extent, and the economical level of the incinerator is improved.

The invention relates to the technical field of environmental pollutant detection, in particular to a straw open-air incineration pollutant emission quantitative method based on multi-source data fusion, which comprises the following steps: based on air pollutant monitoring data, calling a sensor network to obtain PM2.5, CO and NOX concentrations, analyzing fire point heat radiation intensity, collecting meteorological data, and calculating the concentration of PM2.5, CO and NOX; and obtaining a pollution source data set by combining the time sequence change of the fire points and the meteorological parameters. By integrating an environment monitoring sensor, satellite remote sensing and ground meteorological data, the comprehensiveness and accuracy of pollution source monitoring are improved, the combination of fire point intensity and pollutant concentration time sequence data is optimized, the evaluation of fire point and pollution hot spot areas and the comprehensive analysis of wind directions and meteorological conditions are optimized, the accuracy of a pollutant diffusion model is improved, and the pollution source diffusion efficiency is improved. The pollutant release amount is dynamically adjusted, and the diffusion model is corrected by using a geographic information system, so that the scientificity of pollution prediction and emission intensity evaluation is enhanced, and more accurate pollution prevention and control decision support is provided.

The embodiment of the invention discloses a waste incineration SNCR precise control method based on a mechanism model and dynamic prediction, and relates to the technical field of waste incineration power plant flue gas denitration. The method comprises the steps that operation parameters of the garbage incinerator are obtained; constructing a mechanism model, namely a thermodynamic-combustion coupling model, and realizing three-dimensional flow field reconstruction and axial temperature field estimation by utilizing a virtual sensing technology and based on an energy conservation equation, a radiation transfer equation and CFD reverse solution and inversion of a flue gas temperature and a flow field velocity vector; combining the mechanism model and actually measured data, optimizing spray gun parameters by using a particle swarm optimization algorithm, and realizing multi-target balance of denitration efficiency and ammonia escape; and the flow, angle and layout of the spray gun are dynamically adjusted according to the optimized parameters. The method is high in denitration efficiency and low in reducing agent consumption.

The invention relates to the technical field of data analysis and prediction, in particular to a denitration temperature management system based on household garbage incineration power generation, which comprises an intelligent monitoring module, a data analysis and prediction module, a dynamic regulation and control module and a comprehensive feedback and response module, by planning the layout of sensors of the incinerator, various parameter data of the incinerator are collected and processed, and data support is provided for subsequent data analysis and prediction; a machine learning algorithm is used for predicting the temperature and NOx concentration in the future time, and a decision basis is provided for the dynamic regulation and control module; fuel parameters of the incinerator are automatically adjusted according to the prediction result and the current working condition, and therefore the temperature in the incinerator is accurately controlled; the dynamic regulation and control effect of the incinerator is comprehensively evaluated and fed back to the system in time, so that long-term stable operation and efficient emission management of the incinerator are ensured. The method is used for solving the technical problems that monitoring is not comprehensive and temperature regulation and control are not accurate in current incinerator operation management.

The invention relates to the technical field of solid waste treatment, in particular to a flotation method and system for waste incineration fly ash decontamination and calcium conservation. The method comprises the steps that waste incineration fly ash is placed in a natural environment to be subjected to a natural carbonation reaction till the pH value is 7-9, pretreated fly ash is obtained and mixed with water, and then a collecting agent and a foaming agent are added for flotation separation; or mixing the waste fly ash by using the sulfuric acid aqueous solution as the flotation liquid, and then adding the collecting agent and the foaming agent for flotation separation; wherein the collecting agent is one or more of butyl xanthate, ammonium dibutyl dithiophosphate and N, N-diethyldithiocarbamate. By means of the method, heavy metal and chlorine salt in the fly ash can be removed, Ca-based components in the fly ash can be reserved, and therefore resource utilization of the waste incineration fly ash is achieved to the maximum extent.

The invention discloses a small waste incineration full-automatic control system and method, and particularly relates to the technical field of solid waste treatment.The method comprises the following steps that waste throwing is recognized through infrared induction, a preheating device is started to heat a combustion chamber, and the heating intensity is adjusted in real time; when the temperature reaches a preset threshold value, the air volume, the feeding time and the combustion time are controlled according to the garbage type, and stable combustion is achieved; the concentration of carbon monoxide, nitric oxide and particulate matter in tail gas is monitored in the whole process, and combustion parameters are automatically adjusted when the emission limit value is close; after combustion is finished, slag is automatically discharged according to the amount of slag; meanwhile, temperature and emission data are collected and uploaded to a remote terminal, and full-process intelligent control and environment-friendly management are achieved; the whole-process automatic control is realized, and the manual dependence is reduced; combustion efficiency and adaptability are improved through an intelligent model; an emission prediction and feedback mechanism is introduced to ensure that the tail gas is environmentally friendly and reaches the standard, and the system stability and the intelligent level are enhanced.

The invention provides a garbage power generation optimization method, a storage medium and computer equipment. The garbage power generation optimization method comprises the steps of S1, garbage classification and preliminary data processing; s2, a boxing algorithm is applied, and the garbage is combined and optimized; and S3, the garbage incineration process is monitored, regulated and controlled. According to the invention, heat energy release in each incineration process can be ensured to be maximized; by introducing a heuristic method and combining a boxing algorithm, not only can garbage grouping and combustion strategies be optimized, but also dynamic adjustment can be made according to real-time monitoring data, the incineration efficiency and stability are improved, the stability of heat energy release is ensured, and then the heat energy recovery efficiency is improved; a systematic and global optimization scheme is formed, all links of garbage treatment can be considered, and the overall efficiency is improved; the method can be widely applied to waste incineration power plants, can greatly improve the heat energy utilization rate and the power generation efficiency of the incineration power plants, reduces emission of harmful substances, and improves environmental protection benefits.

The invention discloses a method for recycling iron and manganese and preparing a cementing material by synergistically utilizing electrolytic manganese residues and waste incineration fly ash and a product thereof, the method comprises the following steps: mixing ardealite and electrolytic manganese residues, and uniformly stirring to obtain gypsum manganese residues; calcining the gypsum manganese slag to obtain activated slag; mixing the activated slag material, municipal sludge and waste incineration fly ash, and uniformly stirring to obtain an initial roasting material; the initial roasting material is subjected to continuous pyrolysis carbonization, pyrolysis flue gas dust recycled in the first pyrolysis process is coarse iron powder, pyrolysis flue gas dust recycled in the second pyrolysis process is coarse manganese powder, solid residues obtained in the second pyrolysis process are gelatinized activated residues, the gelatinized activated residues are ground into powder, and the cementing material is obtained. The preparation process is simple, and the required raw materials are only electrolytic manganese residues, waste incineration fly ash and common industrial solid wastes.

The invention discloses a method for efficiently converting solid waste into renewable energy sources and a real-time detection and maintenance system thereof, and the system specifically comprises an abnormal monitoring parameter obtaining module which is used for collecting flue gas monitoring parameters in real time in the waste incineration process, carrying out the analysis and judgment, generating flue gas monitoring parameter abnormal signals, obtaining abnormal flue gas monitoring parameters, and sending the abnormal flue gas monitoring parameters to a control module; determining an abnormal degree sorting table; and the abnormal monitoring parameter acquisition module is used for acquiring flue gas monitoring parameters in real time in the waste incineration process, analyzing and judging the flue gas monitoring parameters and generating flue gas monitoring parameter abnormal signals. According to the method, by determining the optimization parameter sorting table, determining the priority adjustment parameters and adjusting the priority adjustment parameters, manpower, material resources or time and other resources invested for adjusting all abnormal parameters at the same time can be reduced, the parameters which have the largest influence on the system are adjusted preferentially, the abnormal problem can be solved step by step on the premise that the system stability is guaranteed, and the efficiency is improved. The parameter with the largest influence is adjusted preferentially, and the performance improvement of the system can be seen more quickly.

The invention discloses an RTO heat storage type incineration method waste gas treatment device which comprises a spraying adsorption box, one side of the spraying adsorption box is fixedly connected with a connecting pipe, the other end of the connecting pipe is fixedly connected with a gas inlet pipe, an impurity removal device is arranged on the inner side of the gas inlet pipe, a stirring assembly is arranged in an inner cavity of the spraying adsorption box, and the stirring assembly is fixedly connected with the spraying adsorption box. The waste gas treatment device has the advantages that through the arrangement of a filter plate, particle impurities contained in waste gas can be conveniently blocked at the front end of the filter plate, at the moment, airflow generated by the waste gas can conveniently drive a plurality of spiral blades to rotate, and therefore the waste gas treatment device is convenient to use. Furthermore, a rotating shaft can conveniently drive a cleaning brush to rotate and sweep at the front end of a filter plate, particle impurities on the outer side of the filter plate are removed, and at the moment, the particle impurities fall into a material collecting drawer under the action of gravity to be collected.

The invention discloses a flue gas purification device for highland barley hull incineration, relates to the field of flue gas purification, and solves the problem that an existing measurement device is difficult to be inserted into a groove of a graphite bearing for accurate measurement, the flue gas purification device comprises a device shell and a bottom plate fixedly mounted at the bottom of the device shell, and a mounting frame is fixedly mounted at the bottom of the bottom plate; an air inlet pipe is fixedly mounted on the inner side of the mounting frame, an exhaust pipe is fixedly mounted at the top of the device shell, and a filter disc is rotationally mounted on the inner side of the device shell; the purification mechanism is used for continuously purifying flue gas entering from the gas inlet pipe, and the purification mechanism is mounted at the bottom of the filter disc; by means of the purification mechanism, flue gas can enter the device shell through the gas inlet pipe, activated carbon on the filter disc purifies the flue gas and is exhausted from the exhaust pipe, the activated carbon used for a long time is exhausted through rotation of the filter disc, new activated carbon is replaced, continuous purification of the flue gas is achieved, and therefore the purification efficiency of the flue gas is improved.

According to the method for gradient separation of the heavy metal in the household garbage incineration fly ash, the composition and content of the household garbage incineration fly ash are detected in advance, and grinding pretreatment is conducted on the household garbage incineration fly ash; a plurality of reaction temperature intervals corresponding to various heavy metals in the household garbage incineration fly ash are arranged in a heating furnace, the household garbage incineration fly ash is subjected to multi-stage heating roasting, and chlorine element compounds contained in the household garbage incineration fly ash react with the heavy metals under the high-temperature condition to be volatilized, so that heavy metal chloride gas is obtained; a certain amount of protective gas is introduced into the heating furnace in each reaction temperature interval to prevent the unvolatilized heavy metal chloride from being oxidized, and finally all heavy metals are successfully separated out; a plurality of condensation temperature sections are arranged in the sectional condensation pipe, heavy metal chloride is recycled step by step at different condensation temperatures, and separation and recycling of different heavy metals are achieved; according to the scheme, complex operation procedures can be avoided, energy consumption is reduced, and the method has remarkable economic and social benefits and wide application prospects.

The invention provides automatic straw collection underground incineration field returning equipment, and belongs to the technical field of agricultural machinery equipment, and the automatic straw collection underground incineration field returning equipment comprises a moving mechanism, a collection mechanism, a processing mechanism and a field returning mechanism. The moving mechanism comprises a vehicle body and a moving assembly; the collecting mechanism comprises a conveying and lifting assembly and a collecting shovel, the conveying and lifting assembly is arranged at the front end of the vehicle body and inclines upwards from front to back, and the collecting shovel is arranged at the front end of the conveying and lifting assembly; the machining mechanism comprises a cleaning and pressing assembly, a smashing assembly and a fuel mixing assembly which are sequentially arranged in the middle of the vehicle body from front to back. The field returning mechanism comprises a ditching assembly and a backfilling assembly which are sequentially arranged at the bottom of the vehicle body from front to back, the ditching assembly is located on the front side of the fuel mixing assembly, and the backfilling assembly is located on the rear side of the fuel mixing assembly. According to the automatic straw collecting underground incineration field returning equipment, the problems that open-air incineration control is difficult, fire disasters are prone to being formed, and open-air incineration pollution is large are solved.

The invention relates to the technical field of environmental protection, in particular to a garbage incinerator combustion management system which comprises a data acquisition module, a data preprocessing module, a data analysis module, a decision control module and a combustion adjustment module. Wherein the data acquisition module is used for acquiring combustion data in the combustion process of the garbage incinerator; the data preprocessing module is used for preprocessing the collected combustion data; the data analysis module is used for analyzing the preprocessed combustion data in real time and judging the efficiency and the pollutant emission level of the current combustion process; the decision control module is used for generating a combustion adjustment instruction; and the combustion adjusting module is used for adjusting the air flow, the temperature and the fuel input amount in the combustion process. Through real-time data analysis and automatic adjustment and optimization of combustion parameters, efficient control over the combustion process of the garbage incinerator is achieved, the combustion efficiency is remarkably improved, pollutant emission is reduced, and the environmental protection property and economical efficiency are improved.

The present invention provides a device and method for the resource utilization of urban waste incineration slag, which relates to the technical field of slag waste recycling. The device for the resource utilization of urban waste incineration slag includes an equipment frame and a crusher installed on the equipment frame. It further includes a flow and precipitation component, a water addition component, and a resource recovery component installed on the equipment frame. The crusher transfers the crushed slag to the water addition component. The water addition component is used to add water to the ash slag and make it flow into the flow and precipitation component. After operation and precipitation, it is then discharged onto the resource recovery component. It also includes multiple groups of stirring components for stirring the slurry in the flow and precipitation component. The device and method for the resource utilization of urban waste incineration slag, by setting the flow and precipitation component, can obtain precipitation within the operation time compared with a fixed sedimentation tank, and can be flipped and dumped, and flushed with high-pressure water, making it easier to clean the internal slurry and preventing blockage.

The invention provides a control method and device of a waste incineration system, control equipment, a medium and a product, and belongs to the technical field of solid waste treatment.The method comprises the steps that a mapping model is built based on historical operation data of the waste incineration system; the mapping model is a model for representing a mapping relationship between the component concentration and the heat value of the flue gas outlet of the recovery furnace and the garbage grabbing position in the garbage pit; determining the target flue gas outlet component concentration and the target heat value of the waste incineration system within the preset operation time; and based on the target flue gas outlet component concentration, the target heat value and the mapping model, the target grabbing position of next grabbing of the garbage grab bucket crane is determined. The grabbing position is intelligently determined, the garbage grabbed and put into the recovery furnace can meet the heat value and smoke outlet component concentration requirements in the incineration process, the incineration efficiency is improved, and meanwhile the environment friendliness of a garbage incineration system is guaranteed.

The invention discloses a waste incineration fly ash recycling water circulating water treatment device and method, the device comprises two racks arranged front and back, a blocking block is fixed to the left end between the two racks, an extrusion block is slidably connected to the right end between the two racks, and a plurality of filter pressing assemblies slidably connected with the racks are arranged between the blocking block and the extrusion block; knocking assemblies are arranged at the front end and the rear end of the filter pressing assembly, winding assemblies are arranged below the knocking assemblies, two bilaterally symmetrical discharging assemblies are arranged at the lower end of the filter pressing assembly, a fixing plate fixedly connected with the rack is arranged at the right end of an extrusion block, a reciprocating assembly is arranged at the right end of the fixing plate, and a hydraulic cylinder and a servo motor are fixed to the left end of the fixing plate; the servo motor is in transmission connection with the winding shaft and the reciprocating shaft, the filter pressing assembly comprises an extrusion part, a cleaning part and a filtering part, and discharging is conducted through the discharging assembly, so that two different materials obtained after filter pressing are separated and discharged, and the two different materials are prevented from being mixed together.

The invention discloses garbage power generation incineration slag sorting treatment equipment, and relates to the technical field of garbage crushing and sorting, the garbage power generation incineration slag sorting treatment equipment comprises a sorting frame, a feeding hopper is mounted on the sorting frame, a multifunctional crushing chamber is mounted in the middle of one side, away from the feeding hopper, of the sorting frame, and an atomization pouring chamber is arranged below the multifunctional crushing chamber; a sorting chamber is arranged on one side, far away from the multifunctional crushing chamber, of the atomization material pouring chamber; a uniform material distributing mechanism, a layered crushing mechanism and a sorting mechanism are further included; according to the scheme, the impact crushing layer and the rolling crushing layer which are stacked up and down are arranged, brittle slag blocks are rapidly crushed through the high-speed crushing hammer under the impact and shearing effects, metal is prevented from being repeatedly extruded and deformed, meanwhile, metal blocks are gently rolled through low-speed extrusion, the physical form integrity of the metal blocks is kept, and the service life of the metal blocks is prolonged. And compared with a traditional jaw crusher which mixes and crushes the metal and the slag blocks together, the jaw crusher has the advantage that the deformation rate of the iron blocks is reduced.

The invention relates to the technical field of waste incineration, in particular to a waste incineration fly ash reduction and recycling harmless system and a working method. The system comprises a dioxin mechanical detoxification subsystem, a multi-stage countercurrent water washing subsystem, a quaternary system evaporation salt separation subsystem and a heavy metal pickling recovery subsystem, and according to the working method of the system, low-temperature mechanical detoxification, multi-stage countercurrent fly ash water washing, heavy metal pickling recovery and low-cost quaternary system evaporation salt separation are organically combined; the low-cost reduction, harmless and resourceful treatment of the fly ash is realized, the treated fly ash can be directly used for preparing materials such as building materials, and the method has a wide application prospect. In addition, no flue gas is generated, a flue gas treatment system is not needed, secondary fly ash and wastewater discharge is avoided, and near-zero discharge can be realized.

The invention discloses an intelligent prediction and scheduling management system based on hazardous waste incineration waste heat recovery power generation, relates to the technical field of hazardous waste incineration waste heat recovery power generation, and aims to monitor key parameters such as temperature, pressure, flow and flue gas components in the hazardous waste incineration process in real time, and determine the hazardous waste incineration waste heat recovery power generation through data processing and feature extraction. And the hazardous waste incineration heat value, the waste heat boiler steam production amount and the power generation amount are accurately predicted. Meanwhile, the system combines power grid load change and price fluctuation, realizes intelligent regulation and control of equipment operation and maximization of waste heat recovery efficiency and generating capacity through an optimization scheduling algorithm, can improve energy recovery efficiency to the maximum extent, reduces energy waste, improves economic benefits and environmental sustainability of the system, and has wide application prospects. The power generation benefit can be improved in the field of hazardous waste incineration, and reference can be provided for other industrial waste heat recovery power generation systems.

The invention relates to the technical field of solid waste recycling, in particular to a method for preparing ceramsite through multi-element solid waste co-treatment. The method comprises the following steps: S1, uniformly stirring and mixing waterworks sludge, washing-free waste incineration fly ash, polluted soil and iron tailing slag powder in proportion to obtain a stirred mixture; s2, directly putting the stirred mixture which is uniformly mixed and is in a wet state into a ceramsite drying and granulating kiln, and granulating in the kiln to obtain raw material balls; s3, the raw material balls enter a pyrolysis section in the kiln to be subjected to low-temperature pyrolysis treatment; s4, the pyrolyzed raw material balls enter a calcining kiln to be subjected to high-temperature sintering treatment; and S5, passing the obtained sample through a cooling kiln, and taking out the cooled sample to obtain the multi-element solid waste ceramsite. According to the method, pure solid waste is adopted for preparing the ceramsite, and the links of raw material drying and granulation in traditional ceramsite manufacturing are omitted. The sludge of the waterworks, the waste incineration fly ash, the polluted soil and the iron tailing slag are utilized in a high-valued manner, the energy consumption is low, and less secondary environmental pollutants are generated.

The embodiment of the invention relates to the technical field of image processing, in particular to a garbage incinerator flame combustion situation recognition method based on unsupervised learning. According to the method, the problem of lack of labeling data in flame combustion situation recognition of the garbage incinerator is effectively solved through an unsupervised learning framework; a mutual information maximization objective function driving model is utilized to autonomously excavate essential feature association in a flame image, and a corresponding relation between a combustion state and a visual feature can be established without depending on manual labeling; and hierarchical description of the combustion state is realized through dual-label output of main clustering and super clustering, so that the macroscopic working condition classification capability is reserved, and the microscopic dynamic change characteristics are captured. Visibly, according to the embodiment of the invention, the adaptability of the model to a complex combustion scene is enhanced while the data annotation cost is reduced, and refined monitoring and recognition of the combustion state of the incinerator can be realized.

The invention relates to the technical field of solid waste treatment, and discloses a waste incineration process modeling and optimizing method based on digital twinning, which comprises the following steps: S1, constructing a physical model of a waste incineration process, the physical model comprises geometric structures and physical parameters of equipment such as a garbage incinerator, a waste heat boiler, a flue gas purification system and the like, and a connection relationship among the equipment; s2, collecting real-time data in the waste incineration process, including waste components, feeding amount, combustion temperature, flue gas flow, pollutant emission concentration and the like, and transmitting the data to the digital twin platform by using a data acquisition system; by constructing a highly accurate physical model and combining with a real-time data acquisition system, the operation state of the waste incineration process can be reflected in real time on a digital twin platform. The digital twin model is optimized by using an intelligent optimization algorithm, and optimal operation parameters and control strategies can be automatically searched.

The utility model provides an emission reduction system for producing tetrahydrofuran from 1, 4-butanediol, and relates to the technical field of chemical production equipment. By arranging the 1, 4-butanediol raffinate separation unit, the 1, 4-butanediol raffinate generated in the tetrahydrofuran production unit can directly enter the film evaporator to be separated, the light component 1, 4-butanediol is rapidly evaporated and flows out from the first gas phase outlet, and the light component 1, 4-butanediol is condensed by the gas phase condenser and then returns to the tetrahydrofuran production unit to serve as a raw material to be recycled. And heavy components of tar in the film evaporator flow out from a first liquid phase outlet at the bottom and are discharged and incinerated. The system can further separate the 1, 4-butanediol raffinate generated in the tetrahydrofuran production unit, and recycle the 1, 4-butanediol in the raffinate, so that the material waste of the 1, 4-butanediol is reduced, and the utilization rate of the 1, 4-butanediol raw material is improved. And meanwhile, the 1, 4-butanediol residual liquid discharge incineration treatment amount is greatly reduced, energy conservation and emission reduction are achieved, and the production cost is reduced.