252results about How to "Reduce environmental risks" patented technology

The invention relates to the technical field of fault diagnosis, in particular to an intelligent monitoring system for a sewage treatment pipeline, which comprises a topological structure analysis module for collecting pipeline network nodes and communication information, calculating the connection number and geometric attributes of multiple nodes, identifying the pipeline length and the connection direction between adjacent nodes, and analyzing the pipeline network nodes; and calculating the length of a loop formed among multiple nodes and a topological structure, analyzing structural stability features, and obtaining topological geometric feature data. According to the invention, by analyzing the geometric and topological data of the sewage treatment pipeline system, the understanding of the stability of the pipeline structure is optimized, so that the accuracy of fault prediction is improved, the flow and pressure changes are monitored in real time, and the response to dynamic adjustment and abnormal phenomena in the system is more sensitive and timely; the flow gradient and the pressure difference are analyzed, so that the recognition capability of an abnormal mode is enhanced, a problem area can be quickly recognized and processed, the operation efficiency is improved, and the environmental risk and the maintenance cost are reduced.

The invention provides an intelligent dosing method and system, and the method comprises the following steps: building a multi-source water quality data collection and preprocessing unit, and achieving high-quality data acquisition through employing a self-adaptive sampling frequency adjustment and data complementation algorithm; constructing a parameter feature extraction and correlation analysis system, and establishing a parameter coupling network; an intelligent dosing control strategy optimization system is constructed, and accurate control over the dosing process is achieved through deep reinforcement learning and a multi-objective optimization algorithm; a time-frequency domain dual evaluation system and a space-time two-dimensional feature extraction framework are established, and control effect evaluation and system characteristic analysis are achieved. According to the invention, the accuracy and economical efficiency of dosing control are obviously improved, the standard reaching rate of the effluent quality is improved to 99.5% or above, the use efficiency of chemicals is improved by 40-50%, and the operation cost is reduced by 35-45%.

The invention discloses an electric power knowledge question-answering system construction method and system combined with engineering ethical analysis, and the construction method comprises the steps: constructing all modules, and carrying out the fine adjustment of a large language model based on a P-Tuning method, so as to construct an electric power system question-answering knowledge base; the question understanding and classification step is responsible for receiving input questions of a user and performing semantic analysis, technical classification and ethical risk identification on the input questions; searching background knowledge; carrying out engineering ethical analysis; generating questions and answers; and a feedback and improvement step: entering a model tuning stage, and carrying out adaptive tuning on the model by adopting a reinforcement learning framework. According to the method, comprehensive engineering ethical analysis can be carried out on technical schemes and operation suggestions, finally, answers generated by the system are accurate and feasible in technology and have ethical compliance at the same time, it is ensured that a user can balance technical requirements and ethical responsibility in practical application, the intelligent level of an electric power knowledge question-answering system is remarkably improved, and the user experience is improved. And important support is provided for safe operation and sustainable development of the power industry.

The invention discloses a lithium ore exploration system and method based on data analysis, and relates to the technical field of lithium ore exploration. In the operation process of the system, data from different sources are collected, geological abnormal parameters, lithologic density fluctuation parameters and gravity gradient parameters are obtained, the preprocessed data are analyzed, and a lithium ore exploration result is obtained; the method comprises the following steps: extracting geological features related to mineral resources, carrying out pattern recognition by using a deep learning technology, extracting key features from geological data, obtaining lithologic density Sgeo, rock magnetic parameters Wrock and rock resistivity Rgrad, and generating a three-dimensional geological model of a mining area through an AI algorithm based on the extracted features. The AI algorithm comprises regression analysis and a convolutional neural network (CNN) to process spatial data and generate three-dimensional visualization of a geologic structure, historical mining area distribution data is combined, the system uses a prediction algorithm random forest or a support vector machine (SVM) to predict lithium ore distribution, survey feedback is generated according to a prediction result, and a survey scheme is dynamically adjusted.

The invention relates to the technical field of ecological data analysis, in particular to a pumped storage power station slope ecological restoration effect evaluation method, which comprises the following steps: monitoring a pumped storage power station slope ecological restoration area; calculating a dry season restoration state characterization value; calculating a frozen season restoration state characterization value; calculating the representation value of the restoration state in the rainy season; outputting a corresponding repair effect evaluation prompt according to each repair level; and correcting the preset evaluation duration. Through real-time monitoring and dynamic weight adjustment, the accuracy and adaptability of an evaluation result are ensured, environmental changes can be responded in time, comprehensive ecological restoration state analysis is provided through comprehensive consideration of various environmental parameters, different restoration levels are clearly distinguished through the evaluation result, and the method has the advantages of being high in practicability and the like. Clear guidance is provided for taking targeted restoration measures, and the problem that the restoration effect assessment is inaccurate due to the fact that the adaptability to extreme climate conditions is insufficient and ecological restoration measures cannot be adjusted in time is effectively solved.

The invention discloses a landfill vertical anti-seepage facility management method and system based on digital twinning, and relates to the technical field of environmental governance, and the method comprises the steps: building a landfill digital twinning model based on geological exploration data, and carrying out the parametric modeling of a vertical curtain anti-seepage layer; synchronizing real-time data and the digital twinborn model; processing the monitoring data in combination with a machine learning algorithm model; and remote monitoring and operation of the landfill are realized by combining a cloud platform and a remote sensor. According to the landfill vertical anti-seepage facility management method based on digital twinning, the digital twinning model of the landfill is constructed based on geological exploration data, the reliability and durability of the landfill anti-seepage facility are effectively improved, the remote supervision and risk assessment model is constructed on the cloud platform, the environmental risk is reduced to the maximum extent, and the safety of the landfill is improved. The method has better effects in the aspects of reliability, durability, long-term operation cost and safety of the landfill anti-seepage facility.

The invention relates to the technical field of storage tank safety monitoring, in particular to a visual real-time monitoring method and system for a digital floating disc of a storage tank. The method comprises the following steps: carrying out real-time floating disc signal acquisition on a full liquid receiving floating disc to obtain real-time floating disc sensing signal data, and carrying out data filtering preprocessing on the real-time floating disc sensing signal data to obtain floating disc sensing signal data; performing Kalman filtering data fusion on the floating disc sensing signal data to obtain real-time floating disc sensing fusion data; performing floating disc abnormal state detection on the real-time floating disc sensing fusion data to obtain floating disc abnormal detection data; floating disc early warning information integration is carried out according to the floating disc anomaly detection data, so that an abnormal floating disc alarm strategy is obtained; data of the full-liquid-receiving floating disc auxiliary mechanism is obtained, prevention and control strategy analysis is carried out, an abnormal floating disc prevention and control strategy is obtained, and the abnormal floating disc prevention and control strategy is uploaded to a controller to execute a floating disc prevention and control task. The safety of the storage tank can be improved.

The invention relates to the field of sludge treatment, and particularly discloses a method for recycling phosphorus in sludge pyrolysis residues, a flocculant synthesis method and application. The invention discloses a method for recovering phosphorus in sludge pyrolysis residues. The method comprises the following steps: drying the sludge pyrolysis residues, grinding and sieving; the sludge pyrolysis residues are put into a hydrochloric acid solution to react, and solid-liquid separation is carried out after the reaction; treating the phosphorus-containing extracting solution through adsorption resin to obtain a phosphorus purification solution; adjusting the pH value of the phosphorus purification liquid to 9-11, and carrying out a crystallization reaction under the condition that the molar ratio of magnesium to nitrogen to phosphorus is (0.8-1.2): (1-1.6): 1 to obtain struvite; a synthetic method of the flocculating agent is as follows: the flocculating agent is prepared from residual sludge residues. The method for recycling phosphorus in the sludge pyrolysis residues has the advantages that phosphorus resources are recycled from the sludge pyrolysis residues, and the residues are secondarily utilized. The flocculating agent is applied to municipal sewage treatment.

The invention discloses a preparation method of red-mud-based artificial soil, which comprises the following steps: A, mixing and stirring red mud, calcium-based solid waste, industrial ferric salt, manganese slag and water according to a mass ratio, and fully stirring to fully react to obtain dealkalized red mud; wherein the mass ratio of the red mud to the calcium-based solid waste to the industrial ferric salt to the manganese slag to the water is 100: (1-5): (0.1-1): (0.1-1): (10-50); b, mixing the dealkalized red mud with the fly ash, the biomass and the stable organic solid waste, and fully and uniformly stirring to obtain a mixture; and C, naturally stacking the mixture and fertilizing. The method can accelerate the red mud harmlessness and soil treatment process, and reduces the environmental pollution risk of the storage yard.

The invention belongs to the technical field of energy conservation and environmental protection, and particularly relates to a waste organic solution dehydration, rectification and incineration coupling energy-saving treatment process which comprises the steps that a waste organic solution is pretreated, and impurities are removed; rectifying and purifying the pretreated waste organic solvent, and separating the organic solvent from residual materials; the impurities and / or the residual materials are fed into an incineration device to be incinerated, and at least part of heat needed by rectification and purification is provided by incineration. According to the invention, two separate treatment processes of traditional resource recycling and incineration are fused into one set of process, so that thermal coupling of rectification and incineration is realized, more energy is saved, recycling of waste organic solvents can be realized, other impurities, residues and the like can be incinerated relatively thoroughly, and environmental pollution is reduced. Impurities, residues and the like do not need to be transferred and transported, so that the safety and environmental risks are reduced. The incinerated high-temperature tail gas does work, so that the cost of a high-cost compressor, a high-cost reboiler and the like is saved, and the cost is further reduced.

The invention discloses a method for preparing a soil material through aerobic co-fermentation of a Ca-Si-C material cooperating with ardealite and sludge, according to the method, the Ca-Si-C material, the ardealite and municipal sludge are used as fermentation substrates, aerobic composting fermentation is performed to prepare the soil material, the C / N ratio of the fermentation substrates is (20-30): 1, and the pH is 6-7; the Ca-Si-C material is obtained by mixing 50%-70% of dry basis municipal sludge and 30%-50% of fly ash, adding water, uniformly mixing and firing at 500-700 DEG C; according to the method, the municipal sludge, the fly ash and the ardealite are combined, a co-calcination and fermentation process is adopted, harmful components in industrial waste are effectively treated, the environmental stability and the resource utilization potential of the final material are improved by utilizing the unique property of the fly ash, and the soil material has the advantages that the environmental pollution is reduced, and meanwhile, the environmental pollution is reduced. A new technical path is provided for solid waste resource utilization; the environmental friendliness and the safety of the whole material are improved.

The method comprises the following steps: A, mixing the lime precipitate with hot water, uniformly stirring and dispersing, adding a strong alkali solution, controlling the pH value to be 10-12, and reacting for 1-4 hours while stirring to obtain a mixed solution A; b, cooling the mixed solution A, and filtering to obtain filtrate and filter residues; taking the filtrate to obtain a gallium-containing pregnant solution; and C, the gallium-containing pregnant solution is sent back to a macroporous resin adsorption procedure for recycling gallium from the mother solution, and gallium recycling is carried out. According to the method, gallium in the gallium-containing lime sediment can be effectively recycled, the problem that the gallium content in the gallium-containing lime sediment is high is solved, and the gallium recycling rate is increased.

The invention provides a comprehensive treatment method for gold-copper-containing smelting wastewater, and belongs to the technical field of wastewater treatment. The method comprises the following steps: adding reduced iron powder into the gold-containing copper smelting wastewater, and fully reacting to obtain an iron powder replacement turbid solution; a first pH value regulator is added into the iron powder replacement turbid solution, an oxidizing agent is added after the pH value is regulated, and an iron-removed turbid solution is obtained after full reaction; adding a flocculating agent into the iron-removed turbid liquid, fully flocculating, and carrying out solid-liquid separation to obtain iron-removed underflow and iron-removed overflow; carrying out filter pressing dehydration treatment on the iron-removed underflow to obtain gold-copper slag and filter pressing liquid; and mixing the iron-removed overflow and the press filtrate, adding a second pH value regulator, and fully reacting after regulating the pH value to obtain a neutralized turbid solution. By means of the mode, valuable substances are effectively recycled, meanwhile, harmful metal ions in the wastewater are prevented from affecting a production system or the ecological environment, hazardous waste is not generated in the whole process, and unification of environmental benefits and economic benefits is achieved.

The invention discloses a forestry resource acquisition method based on a GIS technology, relates to the technical field of data processing, and aims to solve the technical problem that an existing catalyst is generally poor in performance in a medium and low temperature flue gas environment. The method comprises the following steps: collecting a remote sensing image of a target forest region through remote sensing equipment; selecting a first target transmission strategy based on the remote sensing image, and transmitting the remote sensing image based on the first target transmission strategy; the method comprises the following steps: acquiring and obtaining sensor data through an Internet of Things sensor arranged in a target forest region; selecting a second target transmission strategy based on the sensor data, and transmitting the sensor data based on the second target transmission strategy; performing dimension reduction processing and integration processing on the obtained remote sensing image and the sensor data to obtain target forestry resource data; the target forestry resource data comprises original collection data and prediction result information generated based on the original collection data.

The invention provides a bimetal MOFs three-dimensional biomass composite material and a preparation method and application thereof.The preparation method includes the steps that FeCl2. 4H2O and MnCl2. 4H2O are dissolved in deoxygenized deionized water to obtain a bimetal solution, cotton CF is soaked in the bimetal solution to be fully reacted with metal ions, gallic acid is dissolved in a KOH solution to obtain a gallic acid solution, the gallic acid solution is dissolved in a KOH solution to obtain a mixed solution, and the mixed solution is dried to obtain the bimetal MOFs three-dimensional biomass composite material. Then, a gallic acid solution is added into the bimetallic solution containing the cotton fiber CF, PVP is added, the mixture is stirred and mixed to be uniform, the mixed solution is subjected to a hydrothermal heating reaction, and Fe / MnX-MOFs (at) CF is obtained. According to the method, the ferro-manganese gallate bimetallic MOFs grow on the surface of the plasma-treated cotton fiber in situ through a hydrothermal synthesis method to obtain Fe / Mn3-MOFs (at) CF, the Fe / Mn3-MOFs (at) CF serves as a catalyst to activate H2O2 to generate free radicals, the generated free radicals can attack TC and decompose the TC into small-molecule CO2 and H2O, and meanwhile the good TC removal effect is still achieved under the condition that the pH ranges from 2 to 11. The method has the advantages of being green, environmentally friendly, high in degradation rate, high in removal rate, high in anti-interference capacity, convenient to recycle and the like.

The invention discloses a dechlorinated and detoxified fly ash-waste glass powder-slag composite alkali-activated cementing material and a preparation method thereof. The alkali-activated cementing material takes hydrated calcium aluminosilicate gel and hydrated sodium aluminosilicate gel as main components, and comprises the following raw materials: dechlorinated and detoxified fly ash, waste glass powder, slag and an alkali activator, and the alkali activator is prepared from a sodium silicate solution and a sodium hydroxide solid; the raw materials are scientifically proportioned, so that efficient resource utilization is realized, and the performance of the alkali-activated cementing material is improved. The selected precursor is rich in active mineral components such as calcium, silicon and aluminum, an alkali activator prepared by adding a sodium silicate solution and a sodium hydroxide solid provides an ideal alkaline environment for a system, and the system can generate C-A-S-H gel and N-A-S-H gel at the same time due to complementary and synergistic effects of chemical components of all the components. Therefore, the material properties of high compressive strength, moderate setting time and reaction heat balance are realized, and meanwhile, good working performance and long-term durability are realized.

The invention discloses a harmless treatment method for rare earth smelting waste residues, and relates to the technical field of hazardous waste treatment and disposal. The method comprises the following steps: firstly, adding an organic barium salt into the rare earth smelting waste residue, stirring to react completely, then adding a carbonate mineralizing bacteria culture solution to carry out induced mineralization reaction, after the reaction is completed, pressurizing and compacting the rare earth smelting waste residue, carrying out carbonization maintenance, and drying after the maintenance is completed, so that the harmless treatment of the rare earth smelting waste residue is realized. The method for harmlessly treating the rare earth smelting waste residues has the advantages that the method is green and environment-friendly, the radioactivity of the rare earth smelting waste residues can be reduced in situ, the cementing effect on the rare earth smelting waste residues is good, and subsequent secondary utilization is not affected.

The invention relates to the technical field of special glass manufacturing, in particular to a method for preparing ultrathin aluminosilicate glass, which comprises the following steps: mixing SiO2, Al2O3, MgO, K2O, Na2O and ZrO2 / Li2O in proportion; feeding the mixed raw material into a glass melting furnace for high-temperature melting to form molten glass; pouring the molten glass into a float tank filled with tin liquor, and forming a layer of uniform glass tape on the surface of the tin liquor; standing and cooling the glass tape in the tin bath until the glass tape is solidified to form plate glass; carrying out annealing treatment on the cured plate glass, and carrying out chemical strengthening treatment in the annealing treatment process; judging whether the chemical strengthening treatment meets a preset standard or not according to the strengthening warping value; secondarily judging whether the chemical strengthening treatment meets a preset standard or not according to the strength evaluation value; the plate glass which meets the preset standard through chemical strengthening treatment is cut to obtain the ultra-thin aluminosilicate glass, and the quality of the ultra-thin aluminosilicate glass is improved.

The utility model relates to a garbage three-phase synchronous treatment system which comprises a garbage storage pool, a garbage transfer device, a primary screening mechanism, an ultra-high-temperature biological aerated filter and a secondary screening mechanism, and the primary screening mechanism comprises a shaftless screw feeder, a ball mill and a conical drum dewatering screen which are communicated with one another; the garbage transfer device is arranged between the garbage storage pool and the shaftless screw feeder, the ultra-high-temperature biological aerated filter is communicated with the conical drum dewatering screen, the secondary screening mechanism comprises a cyclone desander, a slurry dewatering screen and a screw squeezing dehydrator which are communicated with one another, the cyclone desander is communicated with the ultra-high-temperature biological aerated filter, and the slurry dewatering screen is communicated with the screw squeezing dehydrator. And the cyclone desander, the slurry dewatering screen and the screw squeezing dehydrator are all communicated with the shaftless screw feeder. According to the invention, the household garbage can be prepared into regenerated plastic particles or RDF fuel, can be used as asphalt and plastic filler, and can be used for producing various plastic profiles, road bricks and the like, so that the purposes of zero landfill and zero incineration are achieved, and the environmental benefit, the economic benefit and the carbon emission reduction effect are remarkable.

The invention relates to the technical field of equipment maintenance, in particular to a slag crusher slag removal device and method.The slag crusher slag removal device comprises a monitoring component, a control end electrically connected with the monitoring component and a rapping structure electrically connected with the control end, the monitoring component can monitor the temperature of a slag discharging channel of a slag crusher in real time, and therefore the operation condition of equipment is judged; comprise the equipment temperature, the accumulation amount of slag in the equipment and the like, the monitoring structure also monitors the vibration, pressure and slag attachment conditions of the slag crusher and transmits data to the control end, and the control end controls the vibration frequency of the vibration structure in real time by using the data transmitted by the monitoring structure; the deslagging efficiency is improved, the service life of equipment is prolonged, and the operation safety is enhanced.

The invention belongs to the technical field of civil engineering, and discloses a self-adaptive modified waste slurry carbon sequestration environment-friendly pile and a preparation method and application thereof.The preparation method comprises the following specific steps that (1) waste slurry is sieved, and impurities are removed for standby application; (2) a curing agent is added into the waste mud obtained in the step (1) and mixed to be uniform, modified waste mud is obtained, and the curing agent is prepared from, by mass, 60%-80% of slag, 20%-30% of an alkali activator, 5%-15% of industrial byproduct gypsum, 5%-10% of charcoal and 0-0.5% of a composite additive; and (3) adding the modified waste slurry into a mold, and performing drainage consolidation and maintenance to obtain the self-adaptive modified waste slurry carbon sequestration environment-friendly pile. According to the method, green high-added-value recycling of the waste mud and comprehensive utilization of a large amount of solid waste can be achieved, the treatment cost is reduced while carbon reduction and carbon sequestration are achieved, the soft soil foundation is effectively reinforced and improved, the problem of foundation settlement is solved, and the bearing capacity is improved.

The invention discloses a system and a method for realizing aeration control of an aerated grit chamber based on redundant air volume of an aerobic tank, and belongs to the technical field of sewage treatment. Data is acquired and transmitted to a central control system and a computer through a switch I, a switch II and a switch III; calculating the aeration demand air volume of the aerobic tank, the redundant air volume and the aeration rate of the aerated grit chamber to obtain the demand air volume, the redundant air volume and the aeration rate of the aerated grit chamber; judging and processing the gas-water ratio of the aerated grit chamber: realizing the consistency between the display value of the branch pipe flowmeter and the calculated value of the aeration rate of the aerated grit chamber; the computer comprehensively analyzes the redundant air volume of the aerobic tank and the aeration rate of the aerated grit chamber, the air volume of the air blower is judged and processed, and the aeration rate of the aerated grit chamber is controlled by increasing or decreasing the rotating speed of the air blower. The precise aeration efficiency of the aerated grit chamber is improved, the energy is saved, the consumption is reduced, the grit setting effect is optimized, and the treated water quality is improved; unnecessary energy and carbon source consumption is reduced, and the operation cost of a sewage treatment plant is reduced.

The invention discloses a method for detecting ethyl carbamate in liquor based on laccase-like active nano-enzyme bimodal. The method comprises the following steps: step 1, determining absorbance values A of to-be-detected solutions of ethyl carbamate standard substances with different concentration gradients at 420nm; 2, measuring the fluorescence intensity signal ratio F420nm / F550nm of the to-be-measured solutions of the ethyl carbamate standard substances with different concentration gradients at 420nm and 550nm under the excitation of the wavelength of 330nm; 3, constructing a linear regression equation of the standard substance; and 4, taking a sample to be detected, repeating the steps 1 and 2 to obtain the absorbance value of the sample to be detected and the fluorescence intensity signal ratio F420nm / F550nm of the sample to be detected, and respectively substituting the absorbance value and the fluorescence intensity signal ratio F420nm / F550nm into the corresponding linear equations to obtain the concentration of ethyl carbamate in the sample to be detected. According to the bimodal detection, the advantages of a colorimetric method and a fluorescence method are combined, and the comprehensiveness and accuracy of detection are improved. The colorimetric method provides visual information, but the sensitivity is limited; and the fluorescence method has higher sensitivity and selectivity. By combining the two methods, the bimodal detection can more reliably identify and quantify the target substance in the actual sample, and has higher accuracy compared with the single detection.

The invention discloses a smoldering method for treating organic-heavy metal compound contaminated soil, which comprises the following steps: S1, respectively drying and crushing wood biomass and organic-heavy metal contaminated soil, and mixing 95-97 wt% of wood biomass and 96.2-98.2 wt% of organic-heavy metal contaminated soil to obtain a mixed material; s2, 3-5 wt% of dried and crushed wood biomass is poured into a reactor and flatly laid, then the mixed material is poured into the reactor and flatly laid, finally 1.8-3.8 wt% of organic-heavy metal contaminated soil is poured into the reactor, and hot air is introduced into the reactor to start a smoldering reaction; s3, after the reaction is completed and the temperature is cooled to be lower than 80 DEG C, cyclodextrin and polylactic acid are added and mixed, and the materials are poured out of the reactor and returned to the farmland; the smoldering method provided by the invention can effectively reduce the harm of organic pollutants and heavy metals in the soil.

The invention relates to the technical field of steel structure assembly, in particular to a steel structure iron tower convenient to quickly assemble and an assembly method, and the assembly method comprises the following steps: S1, designing and producing a prefabricated module; according to the structural requirement of a target iron tower, prefabricated module units are designed and produced; each module unit comprises a triangular or polygonal steel frame which is made of corrosion-resistant steel with the tensile strength of 400-600 MPa, and the thickness of the steel frame is 10-20 mm. The assembling efficiency and the coping capacity of the structure are improved. Due to the weather resistance characteristic in the optimization design, the structure can stably cope with extreme climate, and safe use of the iron tower in different environments is guaranteed. The integrated cable channel and the pre-designed sensor interface greatly simplify the installation process, shorten the engineering period, and reduce the environment and safety risks during the construction period. Quality control and pre-assembly correction remarkably improve the assembly precision and the structural stability, and the maintenance cost is reduced.

The invention relates to the technical field of dust removal equipment maintenance systems, in particular to an intelligent predictive dust removal equipment maintenance system and method, and the system comprises a data collection end which is used for collecting the operation data of dust removal equipment; the data storage end is used for storing and preprocessing the operation data; the data processing platform is used for analyzing the operation data and carrying out fault detection and prediction; and the user side is used for displaying the analysis result. Wherein the data acquisition end, the data storage end, the data processing platform and the user end are interconnected through a network to form an integrated data processing system, and the data acquisition end monitors the running state of the dust removal equipment in an omnibearing manner through various types of sensors, so that the comprehensiveness and the accuracy of data are ensured. And the data storage end adopts a distributed storage technology, so that the data processing capability is greatly improved, and the security and reliability of the data are ensured. The data processing platform integrates big data analysis and machine learning technologies, and realizes accurate analysis and prediction of the equipment state.

The invention discloses a stored sugar inventory quality risk control method and system, relates to the technical field of inventory risk control, and realizes systematic quality control of stored sugar from warehousing, storage to ex-warehouse through whole-process quality management and dynamic monitoring. According to the method, the steps of initial data acquisition, on-time monitoring, environmental risk assessment, warehouse-out sorting and the like are utilized, the influence of quality detection data and storage environment of the preserved sugar is comprehensively considered, the preserved sugar of each batch is ensured to maintain a high-quality state in a storage period, and the quality risk caused by storage time, environmental factors and the like is effectively reduced; potential quality problems can be recognized and processed in advance through in-time monitoring and storage quality analysis, inventory management is optimized, and the warehouse turnover efficiency is improved; the blank of quality risk identification and control of the preserved sugar nowadays is filled, various data are shared, and enterprises and governments are helped to master the quality condition of the preserved sugar in each link.

The invention belongs to the technical field of heavy metal pollution treatment, and particularly relates to a cadmium-polluted soil remediation agent and a cadmium-polluted soil remediation method. The cadmium-polluted soil remediation agent disclosed by the invention is prepared from 29.4 to 32.5 parts by mass of catalytic weathered siderite powder and 67.5 to 70.6 parts by mass of limestone powder, the catalytically-weathered siderite powder is prepared through the method comprising the following steps that a mixture composed of ferrous chloride, siderite powder and water is granulated, granules are obtained, the granules are subjected to sealed standing for 6-24 h, and the catalytically-weathered siderite powder is obtained; the mass ratio of the ferrous chloride to the siderite powder is (7.04-7.89): (2.11-2.96), and the mass of the water is 5-10% of the total mass of the ferrous chloride and the siderite powder. The cadmium-contaminated soil remediation agent disclosed by the invention has a good and long-acting remediation effect on cadmium-contaminated soil.

The invention discloses lead-free perovskite Cs2NaHoBr6 as well as a fractal structure, a preparation method and application thereof, and belongs to the technical field of photoluminescence and fractal crystal growth. The lead-free perovskite Cs2NaHoBr6 is successfully synthesized through a novel solvent boiling method, and compared with a traditional fluorescence thermal quenching perovskite material, the lead-free perovskite shows thermally enhanced red light and near infrared light emission under excitation of ultraviolet light, blue light and near infrared light, has up-conversion and down-conversion luminescence capabilities, and can be used for preparing a luminescent material. The emission peak intensity is in positive correlation in the range of 293-593 K, and an abnormal heat quenching resistance behavior is shown. Cs2NaHoBr6 powder is dissolved in an anti-solvent, and a fractal structure pattern with preferred orientation and self-similarity characteristics is prepared by using an in-situ solution crystallization method, so that the temperature sensing performance of the compound is remarkably improved, the relative sensitivity of the compound is enhanced from 1.14% K <-1 > to 2.60% K <-1 >, and the compound shows a good application prospect in the aspect of non-contact optical temperature measurement.

The invention discloses a method, system, terminal and medium for monitoring and early warning of heavy metal pollution in farmland soil. The method comprises: collecting farmland soil surface images, soil spectral data and ground sensor data; preprocessing the farmland soil surface images, soil spectral data and ground sensor data; inputting the preprocessed data into a recognition network and training the recognition network; inputting the collected farmland soil surface images, soil spectral data and ground sensor data into the trained recognition network to identify whether there is a heavy metal pollution area in the farmland soil; when there is a heavy metal pollution area in the farmland soil, sending an early warning notification to the farmland manager; the invention can automatically identify the heavy metal pollution area, reduce the possibility of human intervention and misjudgment, help the farmland manager to take countermeasures in time and reduce environmental risks.