48 results about "Environmental hazard" patented technology

The invention is applicable to the technical field of safety monitoring and early warning, and provides a new energy station operation site safety monitoring and early warning method, which comprises the following steps: collecting multi-source heterogeneous data in real time through an edge computing unit deployed in an operation site; analyzing the video stream in real time by using a preset artificial intelligence visual analysis model, identifying personnel violation behaviors, equipment abnormal states and environmental risk factors, performing cross validation in combination with an electronic access control state and a work ticket permission state, and generating a primary alarm signal when it is detected that preset condition information is not matched; risk grade evaluation is carried out based on the primary alarm signal and environmental risk factors, and a dynamic early warning instruction is generated and synchronized to a station level platform; and the station control layer triggers video review of the associated area, a linkage access control system locks the dangerous area, early warning information is pushed to the target terminal, and an emergency processing plan is generated. And the real-time response speed and the active protection capability of a high-risk operation scene are effectively improved.

The invention discloses an old oil and gas pipeline leakage cause identification method, which is used for improving the reliability of a risk assessment result, facilitating timely discovery of potential leakage risks and reducing economic loss and environmental hazards caused by pipeline leakage. The method comprises the following steps: acquiring historical monitoring data of a sample old oil and gas pipeline; internal correlation factor combinations are screened out by calculating correlation coefficients among the internal factors; determining external environment threat level distribution according to the internal association factor combination and each external factor; calculating an internal and external factor cooperation coefficient according to the internal association factor combination and the external environment threat level distribution; calculating risk weight distribution of each internal factor and each external factor based on the internal and external factor cooperation coefficient and historical accident data; and performing weighted fusion calculation on each internal factor and each external factor in the real-time monitoring data of the old oil and gas pipeline to be detected according to the risk weight distribution, and generating a risk assessment grade of the old oil and gas pipeline to be detected.

The application discloses a garbage incineration fly ash solidification and stabilization treatment method based on graphene quantum dots, which comprises the following steps: step one: uniformly stirring cement and incineration fly ash to obtain a cement-fly ash mixture; step two: dissolving graphene quantum dots in mixed water, fully stirring to obtain a graphene quantum dot solution; and step three: adding the cement-fly ash mixture into the graphene quantum dot solution, uniformly stirring and hardening to obtain a solidification body. The garbage incineration fly ash solidification and stabilization treatment method based on graphene quantum dots has the characteristics of simple operation, low preparation cost, environmental protection and the like, can efficiently solidify / stabilize heavy metals in incineration fly ash, significantly reduces leaching toxicity and reduces environmental hazards; in addition, the cement-fly ash solidification body after maintenance has higher strength and meets the landfill requirements.

This invention provides an epoxy resin-based composite waterproofing material, its preparation method, and its application. After curing, the epoxy resin-based composite waterproofing material exhibits high flexural strength and Shore hardness, as well as excellent oil penetration resistance. It is suitable for coating the tank walls, bottom plates, and floating roof surfaces of oil storage tanks, curing to form a waterproofing layer. This enhances the oil storage tank's resistance to oil leakage, thereby extending its service life and preventing economic losses and environmental hazards caused by oil leakage.

The utility model provides an adjustable corner cutting device which comprises a supporting part, a cutting part and a discharging plate used for containing cut materials, the cutting part is connected with the supporting part, and the discharging plate is rotationally connected with the supporting part so as to adjust the cutting angle of the cut materials. The cutting angle is adjusted by adjusting the inclination angle of the discharging plate, chippings and waste materials generated in the cutting process can be collected through the collecting box, a dust falling component can be optimized and additionally arranged, and the cutting environment is improved in a spraying mode. The material corner cutting device has the advantages of being capable of rapidly and accurately conducting material corner cutting, reducing environmental hazards in the cutting process, reducing the cutting cost and improving the production efficiency.

The application provides a method for phase interference-based energy-gathering directional blasting of a water-soaked softening joint rock mass and slope damage control, and belongs to the technical field of slope damage control.The application realizes precise damage control of directional blasting of a water-soaked softening joint rock mass through multiple ways of joint-containing softening slope crack repair, main blasting area energy directional phase interference and fluid consumption of explosion energy, fuses rock mass damage dynamics, stress wave interference theory and environmental engineering, solves the problem that after a mine water body is soaked, the slope rock mass is softened, cracks develop and collapse is caused under explosion load, significantly improves crack filling rate, reduces vibration speed of the joint-containing softening slope, effectively eliminates collapse risk and environmental hazards caused by explosion load, has high construction efficiency, simple operation process, high reliability, high resource reuse rate and good use prospect.

The invention belongs to the technical field of oilfield development, particularly relates to a novel flexible composite pipeline repairing device, and aims to solve the problems that a composite pipeline is damaged and a repairing section is not firmly fixed in a repairing method. The device comprises a repairing cannula and a fixing clip, the outer diameter of the repair intubation is the same as the inner diameter of the flexible composite pipeline, and the two ends of the repair intubation are inserted into pipe orifices of the flexible composite pipeline; the fixing clip is mounted on a pipe orifice of the flexible composite pipeline; the number of the fixing clamps is two, fastening bolts are installed on the two fixing clamps, and the fastening bolts are arranged between the two fixing clamps. The device solves the problem that the whole flexible composite pipeline needs to be replaced when the flexible composite pipeline is punctured and repaired, meanwhile, the problems that in the prior art, when clip connection repairing is conducted on the local part, hole shrinkage occurs, the pipeline is damaged by a clip, and the clip is not firmly fixed are solved, potential safety and environmental protection hazards are eliminated, the pipeline repairing time is greatly shortened, and the labor intensity of workers is relieved. And the oil well production efficiency is improved.

An intelligent robotic system for detecting and rescuing living people in disaster areas, consisting of: a mobile chassis configured for crossing debris-strewn and uneven terrain, the chassis comprising several DC geared motors driven by an H-bridge motor driver; a control unit with a microcontroller configured to receive sensor data, perform navigation and detection techniques, and transmit information via wireless communication; a subsystem for person detection comprising at least one passive infrared sensor for detecting heat signatures, at least one microwave Doppler radar module for detecting micro-movements indicative of breathing or heartbeat, and an ultrasonic sensor array for proximity and obstacle detection; an environmental monitoring subsystem comprising at least one gas sensor configured to detect hazardous gases selected from methane, smoke, propane or carbon monoxide; a visual feedback subsystem that includes a camera module configured to capture real-time images and video streams; a wireless communication interface configured for transmitting multi-sensor data and video feeds to a remote mobile application interface; and a power supply comprising at least one rechargeable battery that is operationally connected to the control unit, sensors and the propulsion system, The robot system is configured to detect the presence of living people, monitor environmental hazards, and inform rescue teams in disaster areas about the current situation in real time.

The invention provides a water area oil spill danger real-time detection method and device based on an unmanned aerial vehicle image. The real-time detection method comprises the following steps: acquiring a target image comprising an overwater scene to be detected; and determining a single-frame oil spill detection result corresponding to the target image through the trained oil spill detection model. The oil spill detection model in the scheme comprises the pre-training network layer obtained by training based on the plurality of natural sample images and the trained oil spill adapter obtained by training based on the plurality of oil spill sample images, and the trained oil spill detection model is utilized to determine the single-frame oil spill detection result corresponding to the target image. The training cost of the model can be reduced. Besides, according to the scheme, the target image with higher real-time performance can be obtained through the color camera of the unmanned aerial vehicle, so that the water area oil spill danger can be detected in real time, and economic losses and environmental hazards caused by the fact that the oil spill danger is not treated in time can be reduced.

The invention discloses a polyaniline-based multi-mode thermoelectric sensor for monitoring environmental hazards and vital signs. The sensor comprises a composite thermoelectric functional layer composed of polyaniline and a carbon material, the carbon material is used as a flexible conductive substrate, and polyaniline grows in situ on the carbon material in an electrochemical deposition mode to form a stable polyaniline / carbon composite structure. Based on the Seebeck effect of the composite material, the self-powered temperature sensing of the environment temperature difference is realized; meanwhile, the high specific surface area of the carbon material and the resistance change characteristic caused by stress of the carbon material are utilized to realize a pressure sensing function; the reversible doping / dedoping behavior of polyaniline is further combined, so that the detection of gas and pH environment is realized. The sensor realizes cooperative monitoring of multiple parameters such as temperature, pressure and chemical environment in a single material system, has the characteristics of simple structure, good flexibility and self power supply, and is suitable for the fields of complex environment monitoring and vital sign perception.

A brim sunshade system removably attachable to different types of headgear such as hard hats used in various construction jobs, and various athletic helmets, including but not limited to, bicycle, motorcycle, rock climbing, and kayaking helmets to protect users from harmful environmental hazards such as ultraviolet rays from the sun. The brim sunshade system includes a ring-shaped brim having a tack substrate that prevents the brim from moving with coupled to a headgear. The brim sunshade system also includes one or more brim pockets configured to retain a visor of a headgear and prevent its separation from a visor of the headgear.

A system and method of propane removal in a pre-purification unit (PPU) for an air separation unit is provided. The disclosed system and method involves the use of a capping layer of zeolite exchanged with moderate amounts of barium cations, preferably a barium exchange level of 50% on an equivalent basis. This reduced or moderate level of barium exchange achieves the required propane removal but with reduced costs and reduced environmental hazards compared to prior art solutions using highly exchanged barium levels. The barium containing zeolite for the capping layer is preferably in an agglomerated form, including beads and / or pellets, having an average particle size in a range of about 1 mm to 5 mm.

The application discloses a silicon material bag pouring device, which comprises a fixing frame assembly, a material groove assembly, a blowing assembly and a pushing rod assembly. The material groove assembly comprises a containing space, and is connected to the fixing frame assembly and capable of rotating relative to the fixing frame assembly. The blowing assembly comprises a blowing needle which is adapted to extend into the containing space to pierce the silicon material bag and fill the silicon material bag with gas when the material groove assembly contains the silicon material bag. When the silicon material bag is cut, the pushing rod can extend into the cut of the silicon material bag and open the cut during movement. When the pushing rod opens the cut, the material groove assembly turns the silicon material bag upside down with the cut facing downward. Through the above arrangement, the labor cost is reduced, the pouring efficiency is improved, and the adverse environmental hazards caused by pouring are avoided to protect the health of personnel.

This application discloses a method, apparatus, equipment, and storage medium for detecting the sand content of foundation pits. The detection method includes: obtaining the coordinates of boundary control points, the sand content of the boundary control points, the coordinates of the boreholes, and the sand content of the boreholes in the foundation pit based on the geological survey report of the foundation pit to be tested; performing triangulation based on the boundary control points and the foundation pit to be tested to obtain an actual excavation triangular mesh in the foundation pit to be tested; calculating the sand content of each triangle in the actual excavation triangular mesh according to the coordinates of the boundary control points, the sand content of the boundary control points, the coordinates of the boreholes, and the sand content of the boreholes; and combining the sand content of each triangle in the actual excavation triangular mesh to obtain the total sand content of the foundation pit to be tested. As can be seen from the above scheme, this application uses the geotechnical test data of the boreholes in the geological survey report to calculate the overall sand content of the foundation pit, solving the technical problems of high planning and consumption costs and significant environmental hazards in existing foundation pit resource disposal methods.

A solution is disclosed comprising a moveable point frog friction-reducing assembly configured for installation at or near a moveable point frog (also referred to as a swing nose crossing. The moveable point frog friction-reducing assembly is configured to use a sliding assembly to reduce friction between a moveable point and a supporting (sliding) plate. The sliding assembly is configured to reduce the effects of environmental hazards, including those leading to corrosion. A vertical tension assembly is configured to use materials that are low-cost and resilient to corrosion in order to maintain contact between the sliding assembly and the moveable point.

A system and method of propane removal in a pre-purification unit (PPU) for an air separation unit is provided. The disclosed system and method involves the use of a capping layer of zeolite exchanged with moderate amounts of barium cations, preferably a barium exchange level of 50% on an equivalent basis. This reduced or moderate level of barium exchange achieves the required propane removal but with reduced costs and reduced environmental hazards compared to prior art solutions using highly exchanged barium levels. The barium containing zeolite for the capping layer is preferably in an agglomerated form, including beads and / or pellets, having an average particle size in a range of about 1 mm to 5 mm.

A software framework is provided for a deconfliction safety to aim in a direction and authorize activation of a laser on a platform. The framework includes: a master inhibit module (MIM) interface, a centralized deconfliction process (CDP) module, a decentralized deconfliction process (DDP) module, a user defined region (UDR) module, and a point-&-lasing cutout (PLCO) module. The MIM interface inhibits authorization of the laser activation. The CDP module avoids aiming the laser in the direction that corresponds to a global environmental hazard. The DDP module avoids aiming the laser in the direction that corresponds to a local hazard on the platform. The UDR module for avoiding aiming the laser in the direction that corresponds to a custom limitation hazard. The PLCO module avoids the direction restricted by the environmental, local and custom hazards.

The invention discloses an occupational health detection method and system for mine workers, and particularly relates to the technical field of occupational health detection. According to the method, environmental hazard factor continuous monitoring data and physiological index continuous monitoring data of corresponding operation time periods of mine workers are collected, an environmental hazard factor sudden increase interval and a physiological index abnormal fluctuation interval are divided, a time sequence overlapping relation is extracted, and exposure response correlation fragments are constructed; calculating an environmental hazard factor change slope and a physiological index recovery time difference, constructing an individual load coupling unit, distinguishing an instant load state and a cumulative load state, and generating an individual dynamic risk table set; identifying a risk upgrading condition based on a preset occupational health judgment rule and generating an individual risk early warning result; backtracking the individual exposure response sequence, updating the key monitoring section of the subsequent detection period, and forming an occupational health detection result; according to the invention, individual and dynamic occupational health risk assessment and early warning of mine workers are realized.

The invention discloses an electric power high-altitude operation defense method and system based on an intelligent safety belt and a medium. Relates to the technical field of operation risk prevention. According to the scheme, the risk characteristics of the high-altitude operation point are constructed through the environment data and the operation data, the environment risk characteristics and the conduction risk characteristics are coupled to obtain the composite risk characteristics, and finally the defense strategy is generated based on the composite risk characteristics for reference of the ground command center, so that superposed risks caused by a strong electric field and a complex humidity and temperature environment can be effectively dealt with; compared with the traditional anti-falling protection, the anti-falling protection system has the advantages that real-time sensing, intelligent evaluation, active early warning and dynamic protection of key environmental hazard factors are realized, so that ground commanders are helped to quickly make decisions, and the intrinsic safety level of electric power overhead working personnel is remarkably improved.

The application discloses a kind of SLAM positioning and mapping method suitable for robot multimodal information fusion in hazardous scene, it is related to robot simultaneous localization and mapping, multi-sensor fusion, hazardous environment perception and dangerous area mapping technical field.The laser radar point cloud, visible light image, thermal infrared image, inertial measurement, odometry and environmental hazard data are obtained;Degeneration vector containing visible light, point cloud, thermal infrared, mileage and environmental hazard degradation is constructed by synchronization and preprocessing;According to observation quality, normalized residual and degeneration vector, the credibility of mode is calculated, and the covariance of corresponding factor in multimodal factor graph is corrected to optimize pose;Based on the optimized pose, composite map containing geometric occupancy layer, semantic layer and hazard risk layer is constructed, and risk layer is used for key frame insertion, loop detection and degradation recovery repositioning, to improve the reliability of robot positioning and mapping in hazardous scene.

The subject of the application is a computer-implemented method for monitoring and forecasting the risk of bee pathogens and environmental threats, as well as a system for implementing this method, based on the analysis of volatile chemical compounds, Internet-of-Things loT sensors, machine learning, and satellite data. The application covers both the efficient transmission of data from sensors to the cloud, their storage and processing, and the application of machine learning methods for data analysis and interpretation to support hive management and pathogen detection.

The invention relates to the technical field of industrial environment monitoring and intelligent data analysis, and discloses a full-process digital intelligent analysis system for environmental impact evaluation information, which comprises a full-process analysis server, a multi-modal data acquisition subsystem and a visual interaction terminal. The server is internally provided with a heterogeneous environment causal dependence map module, an operation data mapping module, a dynamic topology evolution module, a forward calculation module, a double-layer shadow verification module and an anti-fact reasoning competition module. The system updates the topology to generate a reference map by using a discrete event driven graph rewriting rule; calculating the deviation between a pollutant predicted value and a measured value, and instantiating the shadow copy to execute parameter back propagation and physical conservation verification when the deviation exceeds the standard; and if the quality balance verification fails, anti-fact reasoning is triggered, a variation set is generated based on the fault topology library, and comprehensive fitness is calculated after space pruning so as to screen an optimal interpretation map. According to the method, physical conservation and causal reasoning are combined, so that accurate attribution of environmental hidden dangers is realized.

The invention relates to the technical field of three-dimensional non-contact measurement, in particular to a space-air-ground integrated monitoring method and system for environmental hidden dangers, and the method comprises the steps: obtaining a satellite image and generating a satellite remote sensing point cloud set for a target area at preset time intervals, and obtaining a laser scanning point cloud set and an airborne image through an airborne platform; obtaining each key point cloud pair between the satellite remote sensing point cloud set and the laser scanning point cloud set; obtaining a fusion accurate estimation value of each key point cloud pair; screening each accurate key point cloud pair from all key point cloud pairs; obtaining a redundancy screening value of any two accurate key point cloud pairs; selecting feature point clouds in the satellite remote sensing point cloud set and the laser scanning point cloud set; obtaining each similar point cloud data of each triangular mesh and a spatial screening threshold thereof for re-selecting feature point clouds in the point cloud set; and monitoring the target area. The invention aims to improve the recognition precision and monitoring efficiency of potential hazards in a railway operation environment.

The invention discloses an environmental hidden danger checking method and system based on AI and VR deep fusion, and the method comprises the steps: S1, constructing a high-fidelity virtual environment and a structured hidden danger library, S2, obtaining immersive hidden danger checking interaction and multi-modal behaviors, S3, carrying out the evaluation of hidden danger recognition and behaviors based on a parallel deep learning model, and S4, carrying out the recognition of hidden dangers. The method comprises the steps of S1, establishing a probability time sequence interval, S4, triggering hidden dangers and generating a dynamic comprehensive risk field based on the probability time sequence interval, S5, performing optimal evacuation path planning based on the dynamic comprehensive risk field, S6, generating an emergency strategy, and S7, pushing multi-modal information in real time. According to the invention, virtual reality hidden danger investigation training and artificial intelligence emergency decision guidance are seamlessly connected, so that real-time behavior data and risk perception information generated in the training process are directly converted into key input of emergency decision, seamless conversion and complete inspection from prevention ability cultivation to emergency decision execution are realized, and the training efficiency is improved. Meanwhile, dynamic risk simulation and personalized intelligent guidance based on a probabilistic model are introduced; the optimal path based on the environment is provided, ability evaluation results of individual users can be deeply fused, customized emergency strategies and guiding strength are generated, technologies such as virtual reality immersion rendering, artificial intelligence vision and behavior analysis, probabilistic graph models, dynamic path planning and case reasoning are deeply integrated into a unified framework, and the method has the advantages of being high in practicability and easy to popularize. Parameter circulation among the modules is natural, and synergistic interaction is achieved.

The invention discloses a pollution site environment risk assessment method, which belongs to the technical field of pollution site environment risk assessment, and comprises the following steps: (1) standardizing a parameter system and constructing a scene library; (2) finite element numerical simulation; (2.1) geological modeling; (2.2) carrying out multi-physics field coupling solution; (2.3) optional coupling is carried out; and (3) dynamic risk assessment: converting dynamic data output by finite element simulation into a dynamic risk index, comprehensively reflecting the severity of the risk by integrating a plurality of indexes through the dynamic risk index, performing risk grade division based on the maximum value of the dynamic risk index DRI and the value or average value of a specific time point, constructing a risk grade discrimination table, and performing risk assessment to obtain a risk assessment result. And providing action suggestions. According to the method, the problem that the potential risk after the sudden environmental hazard event cannot be accurately predicted and efficiently coped due to the fact that an existing assessment method is insufficient in perspectiveness, predictability and scene dynamic simulation can be solved.

Techniques for producing personal care products having eco-friendly ingredients may include, for each candidate component of a plurality of candidate components: determining a respective e-hazard adjustment, the corresponding e-hazard adjustment indicates an amount of environmental hazard caused by waste generated due to utilization of components in the component category of the candidate component among the components of the personal care product; and modifying the initial e-impact rating for the candidate component based on the e-hazard adjustment to obtain an enhanced e-impact rating for the candidate component. The techniques may additionally or alternatively include determining respective e-impact ratings for a plurality of group classifications of components utilized in the ingredients of the personal care product. Component categories may be delimited based on component chemistry, feedstock sources, and production processes. The ingredients may be selected based on a comparison of component e impact ratings (which may or may not be enhanced), and the selected ingredients may be used to produce formulations for personal care products.

The present application relates to the field of three-dimensional non-contact measurement technology, and specifically to an integrated air-space-ground monitoring method and system for environmental hazards. The method comprises: acquiring satellite images and generating a satellite remote sensing point cloud set at preset intervals for a target area, acquiring a laser scanning point cloud set and an airborne image through an airborne platform; acquiring key point cloud pairs between the satellite remote sensing point cloud set and the laser scanning point cloud set; obtaining an accurate fusion estimate of each key point cloud pair; screening each accurate key point cloud pair from all key point cloud pairs; obtaining redundant screening values ​​for any two accurate key point cloud pairs; selecting feature point clouds from the satellite remote sensing point cloud set and the laser scanning point cloud set; obtaining each similar point cloud data of each triangular mesh and its spatial screening threshold value for reselecting feature point clouds from the point cloud set; and monitoring the target area. The present application aims to improve the recognition accuracy and monitoring efficiency of potential hazards in the railway operating environment.

A table cover assembly for enclosing items over a table to protect the items from pests or other environmental hazards includes a base and a canopy. The canopy defines a cavity and is removably positionable atop the base in a covering position wherein the base covers an opening to the cavity. The canopy defines a plurality of access openings which extend through the canopy to the cavity. A plurality of doors is mounted to the canopy. Each door is movable to access the cavity from outside the canopy through at least one of the plurality of access openings of the canopy. The canopy may be rigid and may support a track for slidably moving the doors over any of the access openings. A turntable is provided for moving the items closer to a user.

A liquid chlorine tank car unloading and liquid chlorine packaging site configuration system comprises an unloading unit, a liquid chlorine packaging unit, a chlorine liquefying unit, an accident chlorine collecting unit and the like, and an unloading assembly unit comprises an unloading position provided with an unloading crane pipe and a liquid chlorine storage tank; the liquid chlorine packaging unit comprises a liquid chlorine packaging pump and a plurality of liquid chlorine steel cylinders; the chlorine liquefaction assembly unit comprises a first vapor-liquid separator and a chlorine condenser, and the accident chlorine collection unit comprises an accident chlorine exhaust hood and a chlorine tail gas distribution table which are arranged in each unit position. Compared with the prior art, the liquid chlorine unloading system integrating unloading, packaging, liquid chlorine condensation recovery and accident chlorine recovery treatment is built, rapid and safe liquid chlorine unloading is achieved through cooperation of all the units, the situation that the environment is seriously polluted due to leakage or improper emission is greatly reduced, and the environmental pollution is reduced. And potential safety hazards to an ecological system and human health are avoided.

A method for manufacturing a detector for sensing, detecting and monitoring environmental hazards and conditions, said method including the printing of an electronic circuit on at least a first side of a flexible, printable substrate; coupling at least two electronic components to the electronic circuit on at least the first side of the flexible, printable substrate; thermoforming the flexible, printable substrate to form at least one detection zone from: (i) at least one side of the flexible, printable substrate having an angle for emitting one of a light or a signal from at least one electronic component; and (ii); at least one side of the flexible, printable substrate having an angle for receiving one of a light or a signal by at least one electronic component; and encapsulating the flexible, printable substrate, forming a detector.