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77 results about "Chemical accident" patented technology
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A chemical disaster is the unintentional release of one or more hazardous substances which could harm human health and the environment. Chemical hazards are systems where chemical accidents could occur under certain circumstances. Such events include fires, explosions, leakages or release of toxic or hazardous materials that can cause people illness, injury, or disability.
Emergency cooperative monitoring system for dangerous chemical leakage accident and method thereof
InactiveCN101309396ABest evacuation pathConcentration real-time monitoringTransmission systemsClosed circuit television systemsEmergency rescueEngineering
The invention relates to an emergency interlocking monitoring system and a method thereof for a dangerous chemicals leakage accident, which belong to the technical field of the dangerous chemicals accident emergency rescue. The emergency interlocking monitoring system comprises an explosion-proof wireless gas concentration monitoring subsystem and an explosion-proof individual wireless video transmission subsystem arranged around the site where the leakage accident occurs; an emergency command host computer arranged at a site emergency command center, a video server and a wireless receiving module. The method mainly comprises the steps that wind direction, speed, concentration of leaked gas and video pictures on the site of each monitoring point are collected in real time, and the emergency command host computer receives and displays information, and provides site emergency treatment measures; the accident casualty radius is calculated according to aftermath, and the evacuation region of the people is determined; emergency rescue force and rescue facilities around the accident site are displayed on a GIS system, and the optimum evacuation path for the people is searched and displayed on an electronic map. The emergency interlocking monitoring system and the method can reduce the accident damage, and better guarantee the life safety and the property security of the people.
Owner:CHINA ACAD OF SAFETY SCI & TECH
System and method for dynamically deducing and simulating emergency plans for chemical accidents
ActiveCN103927410AGo digitalRealize 3DSpecial data processing applicationsData platformPetrochemical
The invention discloses a system for dynamically deducing and simulating emergency plans for chemical accidents. The system comprises a basic data platform module, a three-dimensional plan editing module and a three-dimensional digital plan platform module. The basic data platform module is used for providing geographic information data, place basic information data and numerical simulated data of accident occurrence procedures for the simulating system for constructing three-dimensional models for dynamically deducing the emergency plans; the three-dimensional plan editing module associates various emergency plans available in enterprises with various pieces of information of three-dimensional scenes according to the various information data provided by the basic data platform module, so that the emergency plans for the chemical accidents of the petrochemical enterprises can be edited to obtain emergency plans in three-dimensional forms; the three-dimensional digital plan platform module is used for dynamically deducing and demonstrating the edited emergency plans in the three-dimensional forms. The system has the advantages that various shortcomings due to paper and electronic documents can be overcome by the aid of the system, and management personnel and employees can comprehensively, specifically and pertinently understand the various accidents which occur in actual working procedures in the petrochemical enterprises.
Owner:CHINA PETROLEUM & CHEM CORP +1
Chemical accident site poisonous gas monitoring system and emergency processing method thereof
InactiveCN105301190AImprove efficiencyControl accident lossFluid-tightness measurement using fluid/vacuumMaterial analysisDiffusionEmergency rescue
The invention relates to a chemical accident site poisonous gas monitoring system and an emergency processing method thereof, and belongs to the technical field of dangerous chemical accident emergency rescue. The system comprises a mobile robot composed of a wheel-type driving mechanism, a support structure, a lead screw drive assembly, a poisonous gas monitoring assembly, an image collection assembly, a wireless sending module, a control command receiving module, a power module and a motion control module and a remote monitoring subsystem which is in wireless communication with the mobile robot. The method comprises the steps that the rotating speed of the mobile robot is controlled, and straight-line forward moving and turning of the mobile robot are achieved; the mobile robot is controlled to adjust the sampling height of a poisonous gas sensor; according to the poisonous gas concentration, GPS information and weather information, a gas diffusion model is selected, and leakage source intensity is obtained through calculation; according to the poisonous gas leakage accident module and the leakage source intensity, the maximum personal casualty influence range of a poisoning accident is obtained and displayed on a GIS map, and therefore the personnel evacuating range is determined.
Owner:康俊瑄
Case-based reasoning method facing hazardous chemical accident emergency aid decision making
InactiveCN108898528AReduce dependenceShorten the timeData processing applicationsEmergency treatmentEmergency rescue
The invention discloses a case-based reasoning method facing hazardous chemical accident emergency aid decision making. The method includes the steps: 1, structurally expressing accident characteristics of accident cases of dangerous chemicals and the emergency rescue process thereof, and serving as sample cases of emergency aid decision-making; 2, acquiring feature information parameters of the incident to be determined at a site, and converting text information of the feature information parameters into numerical attributes on the basis of the parameter numerical attribute extraction rule toconstitute a reasoning evaluation set; 3, setting a weight, calculating the local similarity of each accident feature parameter in the reasoning evaluation set and the overall similarity of the sample cases, and selecting a certain number of decision alternative cases; and 4, reconstructing emergency rescue parameter information of the stage of alternative cases with the highest similarity through comparison and giving the emergency rescue parameter information to the incident to be determined as an emergency aid decision making result. The invention can ensure the effectiveness and applicability of the emergency aid decision-making information to a certain extent, and improve the efficiency of emergency treatment.
Owner:TIANJIN FIRE RES INST
Chemical accident multi-target two-stage emergency rescue material scheduling method
The invention provides a chemical accident multi-target two-stage emergency rescue material scheduling method. In the first stage, on the basis of a traditional vehicle path planning method, a rescuevehicle path planning model based on road risks is constructed by fully considering the risk influence of initial accidents and domino effects of a chemical industrial park on the park and surroundingroads, and a relatively safe rescue vehicle driving path is planned. Aiming at path characteristics, a genetic algorithm of an improved mutation operator is designed to solve the model; in the secondstage, aiming at different decision preferences of decision makers, an emergency rescue material scheduling multi-target model is constructed by taking the earliest emergency rescue development time,the minimum number of rescue participation points and the minimum number of rescue material requirements which are not met as targets, and a multi-target genetic algorithm NSGA-II is used for solving. The method has the characteristics of openness, flexibility, low calculation complexity and the like.
Owner:HANGZHOU DIANZI UNIV
Indicator system generation method based on entropy weight method
The invention relates to an indicator system generation method based on an entropy weight method. Based on the safety management indicator system of the chemical enterprise, the method researches reasonable improvement and updating on the basis of the original indicator system to construct a new indicator system. The basis of improvement is that the historical chemical accident cases act as the analysis data according to the irrationality of the data reverse analysis indicator weight. The entropy weight method is not the algorithm of a large number of sample data assignment, the entropy weightmethod is adopted to evaluate the sample quality to form the sample weight, the weight of the safety indicator system is reversely analyzed and calculated on the basis of the data and the indicator weight is appropriately adjusted and updated. Reasonable and necessary modification is made according to the actual situation so that continuous improvement of enterprise safety supervision and safetyevaluation can be promoted and the risk avoidance can be better performed.
Owner:QINGDAO UNIV OF SCI & TECH
Short-term wind speed calculation method based on hazardous chemical accident diffusion model
ActiveCN106326577AEasy to handleRapid and efficient processing, rapid emergency rescueArtificial lifeDesign optimisation/simulationNerve networkEmergency rescue
The invention discloses a short-term wind speed calculation method based on a hazardous chemical accident diffusion model. The short-term wind speed calculation method comprises the following steps of by combining an ABC (artificial bee colony) algorithm and a BP (back propagation) nerve network, optimizing the weight and threshold value of the BP nerve network by the ABC algorithm, accurately predicting the wind speed, and quickly and efficiently performing accurate evaluation on the influence degree and influence range of hazardous chemical leakage accidents in a chemical industrial park. Compared with a PSO-BP (particle swarm optimization-back propagation) nerve network and a GA-BP (genetic algorithm-back propagation) nerve network, the short-term wind speed calculation method has the advantages that the predicting accuracy is obviously improved, the high-efficiency predicting is realized, and the economic cost is reduced; the predicting accuracy on short-term wind speed is improved, and the error rate is only 1.82%; the site accidents can be effectively treated, the emergency rescue and high-efficiency population evacuation can be quickly performed, and the personal casualty and economic loss in the accidents are decreased.
Owner:SHANGHAI ZHONGWEITIANAN PUBLIC SAFETY TECH CO LTD
Positioning and mapping method for dangerous chemical accident by mobile robot
ActiveCN109781092ANavigational calculation instrumentsSimultaneous localization and mappingSearch and rescue
The invention discloses a positioning and mapping method for a dangerous chemical accident environment by a mobile robot. The method is applied to a search and rescue mobile robot, positioning and mapping can be carried out on a complex dangerous chemical accident site, the illumination and smoke influence caused by dangerous chemical explosion and the like is weakened to a certain extent, and therobustness and precision of positioning and mapping under the accident occurrence condition are improved. The core of the method is that a space-time Markov random field method is used for carrying out image defogging processing; a stable monocular vision SLAM (Simultaneous Localization and Mapping) method based on a feature point method is adopted to fuse IMU sensor data to position and map a dangerous chemical accident by the mobile robot, and the environment exploration capability of the robot under the dangerous chemical accident condition is further improved.
Owner:BEIJING UNIV OF CHEM TECH
Hazardous-chemical on-passage monitoring and accident emergency rescue method based on Internet of Things
InactiveCN107993039AImprove emergency rescue capabilitiesReduce the risk of casualtiesLogisticsThe InternetComputer science
The invention belongs to the technical field of hazardous-chemical monitoring and accident emergency rescue, and discloses a hazardous-chemical on-passage monitoring and accident emergency rescue method based on the Internet of Things. The method includes the steps that hazardous chemical information is queries through an intelligent terminal; a best evacuation path is determined; the optimized processing measures and the best evacuation path are sent to scene rescue workers, and the scene rescue workers conduct scene salvation according to the optimized processing measures. By means of the hazardous-chemical on-passage monitoring and accident emergency rescue method based on the Internet of Things, accurate-and-complete the hazardous-chemical information and a processing method can be transmitted to the accident-scene rescue workers in the first time, and a technical support is provided for accident rescue; an alarm receiving center can provide the all-weather service, and informationrequired by hazardous-chemical accidents can be provided anytime; the invested cost of users in the hazardous-chemical rescue aspect is saved; the hazardous-chemical emergency accident rescue capacity is improved; damage to casualties caused by hazardous-chemical leakage accidents is reduced; the responding speed is high, and the efficiency is high.
Owner:CHONGQING UNIV OF EDUCATION
Emergency operation system of high-risk chemicals
The invention relates to an emergency operation method of a chemical accident, in particular to an emergency operation system of high-risk chemicals, belonging to the technical field of chemical defense. The system of the invention comprises a toxic and harmful substance monitoring analyzer, a weather observation instrument, a data transmission module, a GIS positioning navigation module, a source intensity mode module, a hazard forecast module, a diffusion mode module, a hazard early warning module, a hazard index system, a data conversion engine, a GIS analysis and exhibition module and an emergency command module. In the system of the invention, chemical hazard early warning levels are determined according to a hazard assessment result and the hazard index system; through the data conversion engine, the hazard assessment and GIS are integrated to build the emergency operation system based on a GIS platform; and according to early warning information, emergency control schemes are determined to achieve effective control on the chemical hazard.
Owner:中国人民解放军防化指挥工程学院
Chemical plant independent safety supervision system
ActiveCN110427522AEffectively promote the level of security monitoringPromote the level of security monitoringOther databases indexingOther databases queryingPlant safetyPetrochemical
The invention relates to the technical field of chemical accident emergency management and control, in particular to a chemical plant independent safety supervision system, which comprises a data acquisition unit for reading and storing chemical plant real-time monitoring data by a DCS of a chemical plant; a plan table editing unit used for editing and storing a plurality of plan tables; a serverused for analyzing the monitoring data of the chemical plant in real time, judging whether a safety accident occurs or not, calling out a matched plan table if the safety accident occurs, and connecting the plan table with the data acquisition unit and the plan table editing unit; and a display unit used for displaying a plan table corresponding to the safety accident, assisting in accident disposal and being connected with the server. The system has the substantial effects that the system can be widely applied to the field of safety management of petroleum, petrochemical engineering, chemicalenterprise devices and warehouse hazard sources; the system is independent of a DCS system of the chemical plant, the transformation and upgrading cost is low, and the safety monitoring level of thechemical plant can be effectively promoted.
Owner:浙江天澈科技有限公司
Natural disaster secondary dangerous chemical accident risk assessment method and assessment system
PendingCN112686581AMake up investigationBridging the Gaps in Assessment TechniquesClimate change adaptationResourcesEvaluation resultEnvironmental resource management
The invention discloses a natural disaster secondary dangerous chemical accident risk assessment method and assessment system, and relates to the field of natural disaster secondary dangerous chemical accident risk assessment. According to the evaluation method, the risk grade of natural disaster secondary dangerous chemical accidents of enterprises and the risk grade of natural disaster secondary dangerous chemical accidents of chemical industrial parks are evaluated by determining main natural disaster causing factors, disaster-bearing body potential risks, disaster prevention and reduction capacity and the like of an evaluation area. And meanwhile, a visual accident risk map is generated according to an evaluation result of the accident risk of the natural disaster secondary dangerous chemicals. In combination with the natural disaster secondary dangerous chemical accident risk assessment method and assessment system, the natural disaster secondary dangerous chemical accident risk can be scientifically and accurately assessed, so that powerful technical support is provided for effectively carrying out natural disaster prevention and control work and management work for preventing secondary dangerous chemical accidents.
Owner:DALIAN UNIV OF TECH +1
Risk quantitative management method and system for petrochemical production process
The embodiment of the invention provides a risk quantitative management method and system for a petrochemical production process in the technical field of petrochemical enterprise safety management,and the method is applied to a server, and comprises the steps: obtaining a risk list which comprises risk factors in a petrochemical production technology of a subordinate unit,wherein the risk factors comprise a control index deviation item which is related to the petrochemical production technology and can cause a chemical accident; determining dangerous events corresponding to the risk elements, and evaluating accident consequences corresponding to the dangerous events and accident frequencies corresponding to the accident consequences; determining a risk score corresponding to the petrochemical production process according to the accident consequence corresponding to each evaluated dangerous event and the accident frequency corresponding to the accident consequence; and quantifying arisk level corresponding to the risk score, and pushing the risk level and the risk score to a terminal. Therefore, quantitative and scientific guidance is realized for petrochemical safety managementpersonnel to carry out risk management work.
Owner:CHINA PETROLEUM & CHEM CORP +1
Chemical engineering system multi-working-condition fault detection method based on local adaptive standardization
ActiveCN111367253AImprove accuracyImprove generalization abilityProgramme controlElectric testing/monitoringNeural network nnAdaptive capacity
The invention relates to a chemical system multi-working-condition fault detection method based on local adaptive standardization and belongs to the technical field of chemical process monitoring, industrial data processing and process system engineering. According to the method, a local adaptive standardization method is provided, the variational automatic encoder technology of the deep neural network is applied, an average value of the data in the local moving window is calculated to serve as an average value parameter of local adaptive standardization, different average values are used fordifferent data, and the adaptive capacity is achieved. The method is advantaged in that local adaptive standardization processing is utilized, and fault detection is carried out by detecting whether the data in a local moving window deviates or not, and the method can be suitable for any working condition, has higher accuracy and stronger generalization ability, can meet the requirement of real-time detection, and avoids chemical accidents or reduces the harm caused by accidents through early warning of faults.
Owner:TSINGHUA UNIV
Unmanned aerial vehicle device with multi-functional robot
InactiveCN105784003ANovel structureScientific and reasonable designMeasurement devicesAircraftsToxic gasRemote control
The invention discloses an unmanned aerial vehicle device with a multi-functional robot. The unmanned aerial vehicle device includes an unmanned aerial vehicle body, a solar panel, an installation portion, a rotation mechanism, a power source, a first controller, the robot and a remote control unit; the bottom of the unmanned aerial vehicle body is provided with the installation portion; the power source and the first controller are fixed in the installation portion; the power source is connected with the controller through a wire; a signal transmitting module a is arranged in the controller; the solar panel is embedded in the top of the unmanned aerial vehicle body; the solar panel is connected with the power source through a wire; and the robot includes a head, a trunk, two hands, a walking device, a second controller, a toxic gas detector, a temperature sensor, a humidity sensor, a PM2.5 sensor and a GPS. The unmanned aerial vehicle device of the present invention is novel in structure and scientific and reasonable in design. Based on an aerial photography function, environmental monitoring and hazardous chemical accident processing functions are additionally realized; and the robot and the unmanned aerial vehicle body can be used as a single body respectively, and therefore, a lone idle state can be avoided.
Owner:SUZHOU JINJIANDA INTELLIGENT TECH CO LTD
Virtual reality control system
ActiveUS20210116990A1Input/output for user-computer interactionImage enhancementComputer graphics (images)Control system
According to one aspect of the present invention, a virtual reality control system for providing a chemical accident response training content includes a sensor detecting a light signal, a display displaying an image, at least one controller controlling the display, and a simulator displayed as a valve in the image, wherein the controller is configured to acquire first position data related to the user and second position data related to the simulator based on the light signal, acquire first virtual position data indicating a character corresponding to the user and acquire second virtual position data indicating the valve, and display the character and the valve on the display and display a gas within a predetermined distance from the valve, wherein at least a portion of the gas is not displayed when the character moves while at least a portion of the character is in contact with the valve.
Owner:SKONEC ENTERTAINMENT
Evaluation model for environmental risks of dangerous chemical accidents
The invention provides an evaluation model for environmental risks of dangerous chemical accidents. The evaluation model is used for conducting multiple-factor analysis of environmental risks for environmental risk evaluation, evolution and forecast of dangerous chemical accidents. A combined qualitative and quantitative method is used, on the basis of analyses of key risk factors, dangerous chemicals, surrounding populations, related ecological environment and facilities and the like serve as a whole system, and uncertain environmental risk models which can facilitate risk communication are constructed from the viewing angle of the environmental carrying capacity, the exposure intensity, the degree of uncertainty and the like. A multi-scale environmental risk evaluation system is established to study environmental risk dynamic evolution laws and dynamic evaluation methods of dangerous chemical accidents. The migration and transformation laws of dangerous chemicals in the environment are studied to develop dynamic evaluation of environmental risks of dangerous chemical accidents.
Owner:XINCHANG GUANYANG TECH DEV
Chemical accident classification method and device, computer equipment and storage medium
PendingCN111259149AImprove targetingIncrease diversityNatural language data processingSpecial data processing applicationsClassification methodsKnowledge graph
The invention relates to a chemical accident classification method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring chemical accident information; denoising and expanding the chemical accident information by adopting a Chinese word segmentation algorithm and a dangerous chemical accident knowledge graph to obtain predicted accident information; wherein the dangerous chemical accident knowledge graph comprises a knowledge graph containing dangerous chemical domain knowledge and common knowledge; according to a fault tree corresponding to the predicted accident information, combining the predicted accident information to obtain an accident cause of the chemical accident; and classifying the chemical accidents according to the accident reasons to obtain the categories of the chemical accidents. The category of the chemical accident can be obtained in a targeted mode, a large number of manpower and material resources do not need to beconsumed, the limitation of expert knowledge experience in a single field and the one-sidedness of subjective consciousness are avoided, and therefore the credibility and reliability of an accident reason classification result are improved.
Owner:TSINGHUA UNIV
Electric power emergency disposal safety early warning method for hazardous chemical substance accidents
PendingCN112488584AReceive early warning information in real timeImprove timelinessCharacter and pattern recognitionResourcesTerminal equipmentElectric power
The embodiment of the invention discloses an electric power emergency disposal safety early warning method for hazardous chemical substance accidents. The method comprises the steps that basic attribute information and evaluation factor information of a dangerous chemical accident are acquired in real time; inputting the basic attribute information and the evaluation factor information into a hazardous chemical substance accident typical model, and determining a typical accident matched in the current hazardous chemical substance accident and the hazardous chemical substance accident typical model according to the basic attribute information; determining the similarity between the current hazardous chemical substance accident and the matched typical accident according to the evaluation factor information, and determining an early warning level corresponding to the current hazardous chemical substance accident; determining early warning information by a server system according to the early warning level of the current hazardous chemical substance accident; and receiving the early warning information sent by the system server by terminal equipment in real time. Compared with the prior art, the method has the advantages that the timeliness and accuracy of emergency safety early warning of the hazardous chemical substance accidents are improved, and support is provided for timely starting electric power emergency and accurately carrying out electric power emergency response in the hazardous chemical substance accidents.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1
Water hazardous chemical accident emergency aid decision-making method, terminal equipment and storage medium
PendingCN113011789ASolve difficultySolutions to unscientific and other issuesForecastingRelational databasesTerminal equipmentData mining
The invention relates to a water hazardous chemical accident emergency aid decision-making method, terminal equipment and a storage medium. The method comprises the following steps: S1, constructing a case database; S2, extracting an attribute value of each characteristic parameter corresponding to cases according to the characteristic parameters of the set cases; S3, calculating the weight of each characteristic parameter based on a rough set dependency enhancement method; S4, classifying the cases in the case database, and calculating the class to which the target case belongs through a Bayesian model; and S5, according to the class to which the target case belongs, extracting all cases under the class in the case database, and according to the attribute value and the weight of each feature parameter corresponding to the case, calculating the global similarity between the target case and each extracted case, taking the case corresponding to the maximum global similarity as a similar case of the target case, and determining an emergency aid decision-making scheme of the target case according to the similar cases. According to the method, the problems of high difficulty, unscientific scheme and the like of a current decision scheme after a water hazardous chemical accident occurs are solved.
Owner:JIMEI UNIV
Electric power emergency disposal system for dangerous chemical accidents
PendingCN111144713AComprehensive and reasonable responseReduce accident lossesResourcesEarly warning systemEmergency rescue
The invention relates to an electric power emergency disposal system for hazardous chemical substance accidents. The system comprises an accident monitoring system, an accident early warning system, an information platform system and a command system, the systems work cooperatively according to different stages of an accident, and when the accident occurs, the monitoring system monitors physical parameters of a hazardous chemical substance accident and operation parameters of an electric power system; the accident early warning system is used for judging the accident level according to the information of the monitoring system and sending accident early warning information according to a judgment result; the information platform system is connected with the accident monitoring system, the accident early warning system and the command system. The information platform system stores basic information of hazardous chemical substances, an electric power system, emergency rescue equipment andpersonnel and provides a decision basis for the command system according to a judgment result of an accident level and the basic information, and the command system is used for commanding the rescueequipment and the personnel to carry out emergency disposal.
Owner:STATE GRID SHANDONG ELECTRIC POWER +2
Dynamic Deduction Simulation System and Method for Chemical Accident Emergency Plan
ActiveCN103927410BGo digitalRealize 3DSpecial data processing applicationsData platformPetrochemical
Owner:CHINA PETROLEUM & CHEM CORP +1
Hazardous chemical accident electric power emergency disposal resource allocation processing method
PendingCN112488583AGuaranteed connectivityFast shippingResourcesLogisticsTerminal equipmentResource allocation
The embodiment of the invention discloses a hazardous chemical accident electric power emergency disposal resource allocation processing method. The method comprises the steps of determining an electric power emergency demand list corresponding to a current hazardous chemical accident; receiving an emergency response instruction, reading name information of each emergency material in the electricpower emergency demand list, accessing the central electric power emergency resource database in real time, and obtaining latest inventory information of the current emergency material in the centralelectric power emergency resource database; and sending the latest inventory information of the current emergency materials in the central power emergency resource database to the terminal equipment.Compared with the prior art, the technical scheme provided by the invention can ensure smooth information interconnection and communication, ensures that relatively scattered emergency resources are continuously transported to a demand point (dangerous chemical accident occurrence place), and realizes efficient and rapid decision making.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1
Chemical equipment monitoring system based on wireless sensor network
InactiveCN114677472ALow efficiencyAvoid failureNeural architecturesNeural learning methodsEngineeringComputer science
The invention discloses a chemical equipment monitoring system based on a wireless sensor network, and belongs to the technical field of wireless sensor networks. The problems that an existing monitoring platform of a wireless sensor network cannot monitor wrong working procedures of chemical equipment in time, and consequently faults occur are solved; the problems that an existing camera device cannot locate fault equipment parts in time and cannot effectively detect the fault equipment parts in off-line regular detection of chemical equipment, so that early warning and elimination management of chemical accidents cannot be carried out in time are solved. The method comprises the following steps: extracting feature points according to an operation process image model of chemical equipment in image data to obtain an operation security label of the chemical equipment, and analyzing operation state parameters of the chemical equipment according to distributed sensor data to obtain a state security label; the error process coordinate or the rated operation data threshold value is sent to a safety analysis module, and operation safety early warning is sent out; chemical equipment can automatically run, and the occurrence efficiency of chemical faults is reduced.
Owner:HUNAN CHEM VOCATIONAL TECH COLLEGE
System and method for quickly handling dangerous chemical accident
InactiveCN105447804AMake up for lack of understandingMake up for mishandling and other issuesData processing applicationsInformation processingApplication server
The invention discloses a system and a method for quickly handling a dangerous chemical accident. An information processing center comprises a firewall module, an application server module, an alarm receiving module, an expert module and a data module. A communication base station is in communication connection with the firewall module, the firewall module is in communication connection with the application server module, and the application server module is in communication connection with the alarm receiving module, the expert module and the data module. The investment cost in dangerous chemical rescue is saved for users. A carry-on smart terminal is adopted, and on-site emergency personnel can consult the alarm receiving module for dangerous chemical information and disposal methods through the smart terminal, without the need to add any software or hardware. The system and the method have the advantages that the system and the method are not restricted by time and place; consulting is simple and quick; the system and the method are economical and practical, and the like.
Owner:QINGDAO NUOCHENG CHEM SAFETY SCI & TECH CO LTD
Reaction device based on constant-temperature regulation and control
InactiveCN111346583AStable temperatureReduce the probability of abnormalChemical/physical/physico-chemical stationary reactorsThermodynamicsReaction rate
Owner:陕西云智汇谷创新科技有限公司
Spectrum construction method and device, accident classification method and device, computer equipment and medium
PendingCN111309922AImprove accuracyAccuracy impactSpecial data processing applicationsSemantic tool creationTheoretical computer scienceClassification methods
The invention relates to a spectrum construction method and device, an accident classification method and device, computer equipment and a medium. The spectrum construction method comprises the following steps: constructing an ontology structure according to a logic association relationship between metadata, wherein the metadata comprises words representing at least two of dangerous chemical names, dangerous chemical categories, dangerous characteristics and dangerous characteristic inducements; clustering the corpus data of the chemical accident to obtain at least one cluster; wherein each clustering cluster comprises a plurality of words with a feature association relationship, and the feature association relationship comprises at least one of a similar association relationship, an opposite association relationship and a causal association relationship; and associating the clustering cluster with metadata in the ontology structure according to the feature association relationship toobtain the chemical accident knowledge graph. By adopting the method, the accuracy of the constructed chemical accident knowledge graph can be improved, and huge manpower and time costs for constructing the chemical accident knowledge graph are avoided.
Owner:TSINGHUA UNIV
Natural cybernetics-based nuclear and chemical accident emergency optimizing control method
The invention discloses a natural cybernetics-based nuclear and chemical accident emergency optimizing control method, which belongs to the field of hazard control. The method comprises the following steps: firstly, performing prediction and pre-warning on a nuclear and chemical accident; and on the basis of the prediction on the consequence of the nuclear and chemical accident, developing a natural cybernetics-based optimizing control scheme. The natural cybernetics-based nuclear and chemical accident emergency optimizing control method disclosed by the invention has the advantages of fulfilling the aim of performing emergency control on the nuclear and chemical accident, minimizing cost paid by the control, and accidental loss and realizing optimal emergency control of the nuclear and chemical accident.
Owner:中国人民解放军防化指挥工程学院
Chemical engineering abnormal event detection method and system based on affair atlas
PendingCN114153988AImprove accuracyEfficient expressionNatural language data processingSpecial data processing applicationsNetwork modelAttention network
The invention discloses a chemical engineering abnormal event detection method and system based on a affair graph. The method comprises the following steps: acquiring a chemical engineering accident report to be detected; preprocessing the to-be-detected chemical accident report to obtain a text vector of the to-be-detected chemical accident report; determining an accident type and a case type corresponding to the to-be-detected chemical accident report according to the text vector of the to-be-detected chemical accident report and the trained graph attention network model; wherein the graph attention network model is obtained based on the fact graph training. Therefore, the type of an accident can be predicted more accurately, and an emergency disposal scheme can be quickly provided for the accident.
Owner:QINGDAO UNIV OF SCI & TECH
Safe distillation tower device for ethanol extraction
ActiveCN111939583AGuarantee property securityGuarantee personal safetyOrganic compound preparationDistillation regulation/controlProcess engineeringTower
The invention relates to the technical field of chemical equipment, in particular to a safe distillation tower device for ethanol extraction. The device comprises a first supporting seat, wherein a distillation still is fixedly arranged above the first supporting seat through bolts, a butt joint seat is integrally formed above the distillation still, and a distillation tower main shell is fixedlyarranged above the butt joint seat through bolts. The safe distillation tower device of the invention has the beneficial effects that a designed safe distillation tower structure can be controlled bya first controller and a second controller together to respond to faults in time, so when the pressure in the distillation tower main shell is increased violently, the power supply of a heater can becut off in time, and ethanol steam in the distillation tower main shell and the distillation still can be cooled in time to realize rapid pressure reduction, the phenomenon that the distillation towermain shell is broken and serious chemical accidents are incurred due to sudden pressure change caused by out-of-control temperature adjustment of the heater under various reasons can be effectively avoided, and the property safety of a factory and the personal safety of workers are effectively guaranteed.
Owner:佛山航恺化工科技有限公司
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