120 results about "Environmental safety" patented technology

The invention relates to the technical field of mine environment control, and discloses an intelligent environment monitoring and control method in a mine laneway. The method comprises the steps that a real-time environment parameter set of a mine laneway is collected, the set contains gas concentration data, dust concentration data and temperature and humidity data, and real-time capture of laneway environment multi-dimensional parameters is achieved; then, based on the collected real-time environment parameter set, calculating an environment safety evaluation index so as to scientifically and objectively reflect the roadway environment safety condition; a dynamic control strategy is generated according to the environmental safety evaluation indexes, and the strategy comprises ventilation equipment regulation and control parameters and early warning level parameters and can be flexibly adjusted according to environmental changes; and finally, the ventilation equipment regulation and control parameters are sent to a mine ventilation system, and roadway environment regulation and control are executed. According to the method, environmental parameters can be comprehensively monitored, safety risks can be accurately evaluated, ventilation equipment can be flexibly regulated and controlled, the early warning function can be perfected, energy waste can be reduced, labor intensity can be reduced, and underground operation safety and mining efficiency can be guaranteed.

The invention relates to the technical field of environment image processing, in particular to a natural surface feature extraction method for a remote sensing image of a natural reserve. On the basis of multi-source remote sensing data, namely a digital elevation model, a multi-temporal remote sensing image and real-time meteorological data, high-precision semantic segmentation is directly completed on an original low-quality image through spatial-temporal feature decoupling, degradation perception joint training, a gating fusion mechanism and an environmental safety hidden variable modeling technology; and unified monitoring and early warning of various types of environmental safety problems are realized.

The invention relates to the technical field of environmental protection, and provides a water environment safety early warning analysis method. Comprising the following steps: acquiring real-time water quality monitoring data, and extracting pollution source characteristic parameters in the real-time water quality monitoring data; constructing a pollutant diffusion model based on the extracted pollution source characteristic parameters; calculating a quantitative index of the diffusion velocity of the pollution source by using the diffusion model; and an accurate water environment safety early warning range is delimited according to the quantitative indexes. And the diffusion speed of the pollution source can be reasonably quantified, so that the accuracy and the reliability of water environment safety early warning analysis are ensured.

To provide a molded body such as a film which is excellent in environmental safety and has high transparency and sufficient mechanical strength, and a resin composition which is used in manufacture of the same.SOLUTION: A resin composition contains a polyimide resin and a polyester resin. The polyimide resin has a diamine-derived structure and a tetracarboxylic acid dianhydride-derived structure. The tetracarboxylic acid dianhydride contains a tetracarboxylic acid dianhydride having both an alicyclic structure and an ester structure. The weight average molecular weight of the polyester resin exceeds 10,000.SELECTED DRAWING: None

The invention belongs to the technical field of granary access control, and particularly relates to an intelligent granary access control system which comprises an environment sensing module, an identity recognition module, a processing control module and an execution and feedback module. The environment sensing module is used for collecting environment parameter data at the entrance of the granary in real time and comprises a phosphine sensor, an oxygen sensor and a carbon dioxide sensor; according to the invention, by fusing the technical characteristics of the hydrogen phosphide sensor, the oxygen sensor and the carbon dioxide sensor, the environmental safety is comprehensively evaluated, and compared with the dependence of a single sensor, the accuracy and reliability of environmental state judgment are remarkably improved, and the occurrence of false alarms and missing alarms is effectively prevented. Due to the fact that a control logic process of'absolute priority of environmental safety 'is adopted, the technical characteristic ensures that personnel safety is put at the first place under any condition, which is a core guarantee of high safety of the system, and the effect of the system is directly reflected as protection of life safety.

The invention discloses a personnel safety monitoring system based on coal mine tunneling operation, relates to the technical field of safety monitoring, and solves the technical problems that the safety condition of an operation site is difficult to comprehensively and accurately master in real time, and various safety accidents cannot be effectively prevented and handled. According to the invention, comprehensive environmental parameters such as harmful gas concentration, temperature and humidity in a coal mine area can be acquired in real time through the sensor data acquisition module, and the acquired environmental parameters are compared with a normal range value set by an operator, so that the safety of a working area corresponding to the operator can be accurately judged; a powerful basis is provided for safety assessment of the working environment, the accuracy and timeliness of environment safety monitoring are improved, action track information of workers is continuously and accurately obtained, analysis and judgment are carried out according to dangerous areas marked by an electronic map, physiological state parameters and behavior state parameters are collected in real time and analyzed, and the safety of the working environment is improved. And the abnormal state of the staff can be found in time.

The invention provides an underground water source water quality early warning method and system for environmental safety, and relates to the technical field of environmental protection and water quality safety, and the method comprises the steps: obtaining a plurality of water quality indexes of an underground water source in different historical periods and index values corresponding to the water quality indexes; screening the water quality indexes by combining a Lasso regression model and an FISTA algorithm, and determining key water quality indexes; constructing a two-dimensional tensor according to the key water quality index and the index value; constructing a water body pollution prediction model based on CNN and LSTM in combination with an attention mechanism; inputting the two-dimensional tensor into a water body pollution prediction model, and determining a pollution factor concentration; calculating the deviation between the pollution factor concentration and the pollution factor threshold value, and determining the water quality risk grade; and performing early warning on the water quality of the underground water source by combining an early warning grading strategy according to the water quality risk grade. The water quality safety of the underground water source can be ensured, and potential threats to the environment and human health are reduced.

The invention relates to the technical field of data security management, in particular to a full-life-cycle data security management method for a block chain development platform. The method comprises the steps of obtaining storage information of a file where data is located in a block chain, and calculating a storage security feature index of the file where the data is located based on the storage information; acquiring transmission information of the file where the data is located in the block chain, and calculating a transmission security feature index of the file where the data is located based on the transmission information; environment information of the file where the data is located in the block chain is obtained, the environment information comprises an environment risk value and a constraint influence value, and an environment security feature index of the file where the data is located is calculated based on the environment information; and generating a security early warning signal of the file where the data is located based on the storage security feature index, the transmission security feature index and the environment security feature index. The storage security risk and the data transmission risk of data security management of the block chain development platform can be reduced.

The invention belongs to the technical field of safety prevention and control of flammable and explosive environments, and particularly relates to an explosion suppression grading protection system and method, and the system comprises a monitoring module which monitors the environment information in a to-be-monitored area; the signal processing module is used for generating a grading early warning instruction according to the environment information; the explosion suppression execution module is used for executing an explosion suppression action according to the grading early warning instruction; and the reset module is used for generating reset information so as to reset the explosion suppression execution module. On the basis of cooperation of the monitoring module, the signal processing module and the explosion suppression execution module, corresponding explosion suppression actions can be automatically triggered, manual intervention is not needed, a complete and rapid safety protection closed loop from risk perception to active suppression is achieved, the speed and reliability from risk discovery to active intervention are remarkably improved, and the safety protection effect is improved. And the safety risk of the to-be-monitored area is greatly reduced. Based on the cooperation of the reset module, the signal processing module and the explosion suppression execution module, the standby state can be quickly recovered after explosion suppression is completed, the maintenance steps are simplified, and the use cost is reduced.

The invention belongs to the technical field of functional paint, and particularly relates to antifouling paint for ships and a preparation method of the antifouling paint. The invention aims to solve the problem that the existing ship antifouling paint is difficult to give consideration to both broad-spectrum antifouling effect and environmental safety. The preparation method comprises the following steps: carrying out chain extension polymerization on polycaprolactone polyol and polydimethylsiloxane glycol to obtain a block copolymer; the preparation method comprises the following steps: emulsifying and curing butenolide and polycaprolactone glycol to obtain an antifouling microcapsule, and further carrying out self-assembly crosslinking to obtain a response microcapsule; mixing the dispersing aid, the compound solvent and the functional filler to obtain a compound aid; mixing the dispersing aid, the compound solvent and the functional filler to obtain a compound aid; and performing phase separation and curing on the antifouling paint to obtain the antifouling coating. The anti-fouling paint prepared by the preparation method disclosed by the invention has a remarkable inhibition effect on attachment of fouling organisms while having good aging resistance and corrosion resistance, and is high in environmental safety.

The utility model provides a shield tunnel limited space safety operation protection early warning system, comprising RFID tags carried by constructors and corresponding to the constructors one by one; an identity management server; the environment monitoring system is provided with a plurality of sensor assemblies and used for monitoring the temperature, humidity and air quality in the limited space of the shield tunnel; the UHF card reader is arranged at the entrance of the shield tunnel and used for preliminarily positioning the identity of a constructor; the face recognition system is used for carrying out face image acquisition and face recognition and registration on the entering constructors and counting the total number of the constructors; the environment safety early warning system is used for receiving the temperature, the humidity and the air quality which are monitored in real time and performing construction early warning according to a safety threshold range; and the monitoring center is connected with the identity management server, the face recognition system and the environment safety early warning system, is provided with a display screen, and is used for displaying data monitored by the environment monitoring system and early warning information.

The present invention discloses a method and system for safety monitoring of high piers in bridge construction based on BIM, which relates to the field of BIM technology. By calculating the dust concentration prediction vector P through the environmental feature set T, high-precision prediction of the dust diffusion concentration is achieved, making the dust distribution situation at the construction site more forward-looking. Then, combined with the dynamic changes in the dust concentration, a dust reduction parameter set D is formulated, and a dynamic dust reduction strategy is executed, which can adjust the spraying plan according to the real-time environment, effectively improving the dust reduction efficiency and avoiding the problems of water resource waste and uneven coverage existing in the traditional spraying method. In addition, through the feedback mechanism of the dust concentration error △D, the environmental safety index ZS is calculated and compared with the preset triggering threshold ST for the construction area to realize the iterative optimization of the dust reduction parameter set D, ensuring that the construction environment is always within a controllable range and avoiding potential safety hazards caused by excessive dust.

The invention relates to the technical field of solid waste storage and transportation, in particular to a solid waste storage and transportation system based on environmental control, which is characterized in that an intelligent solid waste storage and transportation system is constructed through multi-module cooperation, and closed-loop control of a solid waste storage process corresponding to each solid waste transportation vehicle is realized; the operation efficiency and the environment safety of the solid waste storage and transportation system are effectively improved, the high-precision data collection capacity of the solid waste dumping receiving module and the storage yard twin module is achieved, the NSGA-III algorithm and the dynamic reward function of the multi-target optimization module are combined, the unloading strategy gives consideration to the efficiency, the pile stability and the environment protection requirement at the same time, and the unloading efficiency is improved. Compared with a traditional manual scheduling mode, multi-target collaborative optimization is achieved, in addition, the strategy execution module effectively solves the problems of yard resource competition and environmental load superposition through coordination index analysis of front and back vehicle strategies, and an intelligent solution with technical advancement and engineering practicability is provided for solid waste storage and transportation.

This invention discloses a multi-dimensional environmental security management and control system for server rooms, relating to the field of server room environment supervision. It includes: a data acquisition module for collecting environmental parameters, equipment operating parameters, and redundancy status data related to PUE extreme conditions within the server room; and an analysis module for receiving data from the acquisition module, constructing a condition correlation analysis model based on the received data, predicting server room environmental security risks and potential faults caused by insufficient redundancy under PUE extreme conditions, and simultaneously outputting risk management instructions. This invention can sensitively capture minute parameter fluctuations and identify parameter drift risks. It can also accurately predict server room environmental security risks and potential faults caused by insufficient redundancy through multi-dimensional feature analysis. Furthermore, without increasing PUE constraints, it can adaptively schedule and allocate redundant resources based on risk level and equipment operational importance.

The invention discloses an Internet of Things environment monitoring automatic alarm system. The system comprises a first terminal device, a second terminal device and a cloud server. The first terminal equipment is provided with a reference management module which is used for storing environment reference data and acquiring real-time monitoring data; the verification module is provided with a plurality of monitoring nodes; and the abnormity analysis module obtains the environment verification data, verifies the consistency of the environment verification data with the environment reference data and the real-time monitoring data, and sends an alarm signal to the first terminal device or the second terminal device according to a judgment result. And the second terminal device registers the environment reference data and the monitoring parameters to the first terminal device through the data management module, and receives the alarm signal. And the cloud server configures a model training module, generates a training set by using the environment reference data and the monitoring parameters, and carries out training to obtain a preset position in the abnormal diffusion path. According to the system, efficient environment monitoring and accurate alarm are realized, and the environment safety guarantee capability is remarkably improved.

This invention relates to a low-corrosion water-soluble cleaning agent for aluminum alloys, containing the following components by weight percentage: 8-15% composite surfactant; 3-8% weak alkaline buffer; 2-6% aluminum alloy-specific composite corrosion inhibitor; 1-4% chelating cleaning aid; 1-3% co-solvent; 0.05-0.3% defoamer; 0.1-0.5% bactericide and preservative; and the balance being deionized water. It features non-corrosion properties on aluminum alloys, high cleaning efficiency, good corrosion and rust prevention, and environmental safety. It can quickly remove contaminants from the workpiece surface at room temperature while maintaining the workpiece's shine, extending the cleaning agent's service life, and is suitable for the cleaning needs of precision aluminum alloy workpieces.

The invention discloses an environment security check method and device, and a storage medium. The method comprises the following steps: determining a target security inspector according to inspection point information of an inspection point and work information of the security inspector; generating a security check task according to the check point information and the work information of the target security inspector, and sending the security check task to a target security check terminal of the target security inspector; and determining whether the security check task is completed or not according to task execution information collected by the target security check terminal in response to the control instruction. According to the technical scheme, the automation degree of environment safety check can be improved, and environment safety check can be efficiently carried out.

The invention discloses a pixel scale water environment safety assessment method based on a non-point source water body pollution risk, and belongs to the technical field of environmental protection. According to the method, through an agricultural non-point source pollution direct evaluation method, the pollution risk of terrestrial agricultural non-point source output to surface water is accurately quantified, a DPeRS model is introduced, quantitative evaluation of the remote sensing pixel scale agricultural non-point source river entering amount is achieved, and the pixel scale agricultural non-point source river entering concentration is quantified as a non-point source pollution risk evaluation index in combination with an SWAT model. With surface water environment quality improvement as a target, an agricultural non-point source pollution in-water risk grade threshold value is determined based on a nitrogen and phosphorus concentration limit value in a surface water environment quality standard and a national secondary pollution general survey agricultural non-point source proportion, and a pixel scale agricultural non-point source in-water pollution risk prominent area is rapidly screened. High-precision target positioning of remote sensing pixel scale agricultural non-point source pollution is realized, and source-targeted agricultural non-point source pollution precise prevention and control and agricultural non-point source pollution treatment effect evaluation are facilitated.

The invention discloses a river sediment curing agent as well as a preparation method and application thereof. Comprising 25-32 parts of steel slag micro powder, 16-22 parts of metakaolin, 8-10 parts of modified activated carbon, 3-5 parts of modified straw ash, 3-5 parts of nano calcium carbonate, 5-8 parts of an exciting agent, 3-5 parts of sinking beads, 2-4 parts of nano iron particles, 3-6 parts of chitosan quaternary ammonium salt and 10-15 parts of sulphoaluminate cement clinker. The components of the curing agent provided by the invention realize efficient curing of the river sediment through multi-dimensional synergy of'gelling enhancement-structure densification-pollution fixation-performance adaptation ', so that the mechanical strength, durability and water resistance of a cured body are ensured, pollutants in the sediment can be stabilized, and the construction feasibility and environmental safety are considered at the same time.

This application belongs to the field of flammable and explosive environment safety control technology, and particularly relates to a graded explosion suppression protection system and method. The system includes: a monitoring module for monitoring environmental information within the monitored area; a signal processing module for generating graded early warning commands based on the environmental information; an explosion suppression execution module for executing explosion suppression actions according to the graded early warning commands; and a reset module for generating reset information to reset the explosion suppression execution module. Based on the cooperation of the monitoring module, signal processing module, and explosion suppression execution module, corresponding explosion suppression actions can be automatically triggered without manual intervention, realizing a complete and rapid safety protection closed loop from risk perception to proactive suppression. This significantly improves the speed and reliability from risk detection to proactive intervention, greatly reducing the safety risk in the monitored area. Based on the cooperation of the reset module with the signal processing module and explosion suppression execution module, the system can quickly return to standby status after explosion suppression, simplifying maintenance steps and reducing operating costs.

The application relates to the technical field of inorganic nonmetallic materials, and particularly discloses a foamed ceramic material and a preparation method thereof. The material is prepared from solid waste-based main materials, a foaming agent and a stabilizing additive containing barium oxide, magnesium oxide and titanium dioxide. The preparation method comprises the following steps: after the raw materials are mixed according to the proportion, wet ball milling is carried out to prepare slurry, the obtained slurry is sprayed and dried to prepare powder, and finally, the powder is sintered and formed under a specific sintering system in an air atmosphere. By introducing a BaO-MgO-TiO2 ternary synergistic stabilization system, the technical problems of unstable solidification, interference in the foaming process and uneven product performance existing in the traditional carbon reduction method for treating chromium-manganese-containing solid waste are effectively solved, long-term chemical fixation of harmful elements in the ceramic matrix is realized, a foamed ceramic product with excellent environmental safety and good physical performance is successfully prepared, and a new way is provided for high-value resource utilization of large quantities of industrial hazardous waste.

The application belongs to the technical field of groundwater resource management, and discloses an integrated method of groundwater source environment safety and sustainable utilization technology, which comprises the following steps: first step, multi-source database construction and feature recognition; second step, technology system construction and applicability evaluation; third step, technology combination comparison and effect evaluation; fourth step, system integration and output. The beneficial effects are as follows: the technical problems of cross-disciplinary joint interpretation and mechanism identification caused by the format and scale conflicts of original data are solved completely. The repeated calculation contribution caused by the strong internal correlation of indexes is effectively weakened, so that the applicability score of the final calculation can truly and accurately reflect the physical matching relationship between the technology and the complex hydrogeological environment condition. The globally optimal integrated technology path screening with high self-adaptation and cross-scenario robustness in the multi-dimensional conflict solution space is realized, and a scientific and operable tool for fine management is provided.

The invention discloses a mine environment monitoring method, device and system, and relates to the technical field of mine environment monitoring, and the method comprises the steps: 1, preliminary data collection, 2, topographic information analysis, and 3, risk grade analysis. Analyzing the environmental safety index of each side slope area of the surface iron ore, screening each abnormal side slope area, matching various types of mine distribution topographic information of each abnormal side slope area, and evaluating the topographic space landslide confrontation index and the topographic environment landslide confrontation index of each abnormal side slope area of the surface iron ore; the fuzziness and missed judgment risk of traditional manual judgment are avoided, the accuracy of anomaly recognition is improved, resource waste is avoided, landslide accidents are avoided, the damage degree is reduced, the landslide risk level of each abnormal slope area of the surface iron ore is judged, risk processing is carried out, resource waste in a low-risk area is avoided, risk upgrading is restrained, and the safety of the surface iron ore is improved. And a solid guarantee is provided for mine safety production.

The invention provides a one-bag type suspending agent. Compared with the prior art, the one-bag type suspending agent provided by the invention adopts the components with specific contents, and the components have good interaction, so that the obtained well cementation flushing spacer fluid or drilling fluid thick plug has the characteristics of low viscosity and high shear, thereby having good suspending capacity, being capable of remarkably improving the suspending stability, being capable of preparing a high-density suspension, and being suitable for being used as a well cementation flushing spacer fluid or drilling fluid thick plug. Meanwhile, the selected raw materials are all natural materials, have the non-toxic characteristic, are safe to the environment and are beneficial to environmental protection; the one-bag type suspending agent is simple in preparation method, convenient to construct and suitable for large-scale industrial production and application.

The present application relates to the technical field of agricultural environment monitoring, and discloses a livestock and poultry manure field returning excessive judgment system based on environmental safety, which firstly collects basic data such as farmland soil nutrients, soil structure, meteorological conditions, groundwater depth, terrain slope, crop demand and manure nutrients, and carries out spatial gridding modeling on the farmland area; on this basis, the soil nutrient carrying capacity of each grid unit, the manure nutrient input and the crop nutrient absorption capacity are evaluated, and the nutrient diffusion risk index is calculated in combination with environmental factors such as rainfall, slope and groundwater depth; further, the manure safe application threshold and the excessive index are calculated by comprehensively considering the above parameters, so as to judge whether the manure field returning exceeds the environmental safety range, and output the risk early warning and application control suggestion. The present application can realize fine monitoring and dynamic management of the livestock and poultry manure field returning process, improve the resource utilization efficiency of manure, and reduce the risk of agricultural non-point source pollution.

The invention relates to a method for optimizing material selection and construction processes of a coal-fired boiler water-cooled wall coating, and belongs to the technical field of special coatings for coal-fired boiler water-cooled wall surfaces. According to the method, the corrosion type and the distribution area of the boiler are accurately identified through corrosion diagnosis analysis in the step S1, and an accurate basis is provided for coating material selection; through the multi-dimensional screening criterion and the composite structure design in the step S2, optimal matching of the coating material is achieved; through the optimized spraying process and laser remelting treatment in the step S3, it is ensured that the coating has excellent bonding strength and compactness; s4, establishing a correlation model of coating performance and environmental protection requirements through performance and environmental safety detection in the step S4; through engineering application verification in the step S5, the long-term reliability of the coating is inspected under the actual operation condition; and finally, forming a continuously improved technical closed loop through data feedback and iterative optimization in the step S5.

The invention relates to the technical field of tunnel engineering, in particular to a graded evaluation system and evaluation method based on environmental safety of tunnel constructors, and the graded evaluation system comprises an environmental monitoring module which obtains a measured value through measurement; the environment safety evaluation module comprises a multi-index pollutant model, and the multi-index pollutant model is used for obtaining a multi-index pollutant value through calculation of a measured value and carrying out environment safety grading according to the multi-index pollutant value; and the automatic environment adjusting module is used for adjusting and controlling the tunnel environment according to the environment safety grade and is in signal connection with the environment safety evaluation module, and the automatic environment adjusting module comprises a ventilation unit, an automatic spraying unit, a cooling unit and an emergency response unit. According to the invention, integration of monitoring, evaluation and adjustment can be realized, an intelligent and visual environment monitoring and evaluation tool is provided for tunnel constructors, and the environment condition of a construction site can be mastered in real time.

The invention relates to the technical field of environment monitoring, and discloses an intelligent compact shelving environment safety monitoring system. A multi-source signal acquisition module of the system obtains real-time monitoring signals from various environment sensors at all monitoring points of the compact shelving, and a standardized signal sequence is generated; the time-space correlation analysis module analyzes a time synchronization relationship and a spatial dependency relationship among different monitoring point signals according to the standardized signal sequence, and generates a time-space correlation graph; the dynamic fluctuation evaluation module extracts fluctuation characteristics of a signal of each monitoring point on a plurality of time scales to generate a dynamic fluctuation index; the interference feature extraction module identifies an abnormal mode of each monitoring point signal, calculates an interference probability and forms an interference feature vector; the system error estimation module calculates the overall nonlinear error probability of the system; and the intelligent control module dynamically adjusts environment control parameters according to the nonlinear error probability, and performs closed-loop control on the compact shelving environment through the execution mechanism.

The invention discloses an environmental protection safety early warning system for alkyd resin production, relates to the technical field of environmental protection safety, and constructs a multi-source real-time data pool, outputs risk levels based on the data pool, verifies control strategies, issues control instructions, executes graded alarms, and solidifies emission and alarm records. According to the method, risk assessment and second-level control instruction verification are realized through multi-source real-time data fusion, heat release rate and VOC collaborative prediction, Bayesian threshold value self-adaption and digital twinborn simulation. The system integrates backflow adjustment, heat load reduction and inert gas protection interlocking, emission and alarm records are solidified through fingerprint uplink, three-dimensional visualization and multi-terminal early warning interaction are supported, traditional DCS monitoring delay and static threshold limitation are broken through, and environment compliance and intrinsic safety are considered.

The invention relates to an environmental safety index assessment method for groundwater toxic organic pollutants of an in-production enterprise. The method comprises the following steps: S1, constructing an environmental safety index assessment model; s2, acquiring original data of second-level indexes corresponding to the first-level indexes; s3, determining the weight of each second-level index in the first-level index to which the second-level index belongs; s4, calculating the value of each first-level index based on the weighted second-level indexes; s5, performing normalization processing on the values of the at least two first-level indexes to obtain normalized first-level index values; s6, adding the normalized first-level index values, taking the reciprocal, and calculating the value of the environmental safety index of the groundwater toxic organic pollutants; and S7, according to the value of the environmental safety index, evaluating the environmental safety level of the underground water toxic organic pollutants of the in-production enterprise. According to the method, multi-dimensional factors such as enterprise production characteristics, hydrogeological conditions, pollutant attributes and protection targets can be systematically integrated, and main risk areas and key control links are identified from the whole process of'source-path-sink '.