415 results about "Chemical storage" patented technology

The technical scheme of the invention relates to the technical field of gas detection, in particular to a hazardous chemical storage leakage positioning and tracing method based on a gas array. The method comprises the following steps: collecting gas concentration, components and environmental physical field parameters through a three-dimensional heterogeneous sensor array, and generating a multi-modal data set; and matching the noise mode feature library in the knowledge base by using a transfer learning algorithm, dynamically correcting the baseline drift of the sensor, and outputting calibrated data. A closed-loop adaptive mechanism adjusts sensor parameters and network hyper-parameters through meta reinforcement learning, neural architecture searches and optimizes a model structure, and a differential evolution algorithm updates fluid mechanics boundary conditions. Through cooperation of physical constraint and data driving, the problem of signal distortion in a complex environment is solved, the leakage source positioning precision and robustness are improved, and the method is suitable for the field of hazardous chemical substance storage safety monitoring.

The invention relates to the technical field of storage visual management, in particular to a chemical storage digital visual management system and method. The method comprises the following steps: deploying environment monitoring equipment for a storage area, constructing a multi-parameter fusion intelligent sensing network, and collecting temperature and humidity, gas concentration, pressure and vibration parameters in real time to obtain real-time environment data; based on the real-time environment data, evaluating a storage safety state, identifying an abnormal behavior and evaluating an environment risk to obtain a safety risk evaluation result; and deploying a distributed emergency response network based on a security risk assessment result, dividing risk levels and formulating a multi-level response strategy to obtain an emergency response execution scheme. According to the invention, a chemical warehouse management closed-loop system integrating multi-dimensional perception, intelligent analysis, dynamic control and three-dimensional visualization is constructed, so that accurate and safe management and control of a whole process, a whole space and a whole state are realized.

The invention provides a laboratory energy-saving optimization control system and method based on energy efficiency model driving, and relates to the technical field of intelligent control, and the method comprises the steps: recognizing a core coordinate of a temperature overrun region of a hazardous chemical substance storage region based on a fusion data set, and taking the core coordinate as a first point, identifying the oxidation reaction rate peak position coordinate of the hazardous waste treatment area as a second point, and identifying the boundary centroid coordinate of the abnormal heat dissipation area of the high-energy-consumption equipment as a third point; constructing a key point coordinate set based on the first point, the second point and the third point, and connecting the key points to generate a static polygon monitoring domain; performing grid discretization processing by taking the static polygon monitoring domain as a boundary to generate structured grid data containing vertex coordinates and unit adjacency relations; deformation parameters of each unit are calculated, and a non-uniform deformation field scalar operator is generated through fusion; and taking the scalar operator as a physical field coupling weight, and generating an optimization instruction set. According to the invention, intelligent control of equipment is realized.

The invention relates to the technical field of chemical production process monitoring, and provides a chemical storage tank liquid level real-time monitoring method and system based on image recognition, which can automatically generate an accurate illumination threshold value by applying big data analysis and machine learning technologies, can adapt to illumination changes of different chemical scenes, and can realize real-time monitoring of the liquid level of a chemical storage tank. The accuracy of liquid level monitoring under various illumination conditions is greatly improved; for image enhancement and correction, the system adopts a local region adaptive adjustment histogram equalization and optimization CLAHE technology and constructs a feature database assisted threshold segmentation and environmental parameter dynamic adjustment SFS model, so that dark environment images can be enhanced more excellently, strong light reflection can be removed, and reduction liquid level details can be cleared; according to the system, a dynamic weight updating mechanism is created for the first time, the weight is adjusted in real time according to the liquid level change and the image quality, interference of a single image is effectively avoided, and the monitoring reliability is remarkably improved.

The invention relates to the technical field of chemical safety emergency, in particular to a quick plugging emergency system for leakage of a chemical storage tank. The system comprises a leakage sensing data acquisition module, a leakage feature extraction module, a plugging decision generation module, a leakage trend prediction module, a plugging decision optimization module and a plugging execution control module. The leakage sensing data acquisition module acquires multi-sensor leakage data flow in real time; the leakage feature extraction module combines preset leakage physical constraint information and analyzes data to determine a leakage source and diffusion feature information; the plugging decision generation module generates an initial plugging scheme according to a built-in decision space and a fitness constraint condition; the leakage trend prediction module predicts leakage development to obtain prediction feature information; a plugging decision optimization module optimizes the initial scheme according to the initial scheme to form an optimization scheme; and the plugging execution control module drives the execution device to complete plugging. The system can improve the leakage detection accuracy, decision scientificity and plugging effectiveness, and guarantees the operation safety of the chemical storage tank.

The invention discloses an intelligent agent spraying decoking system for energy-saving decoking of a hearth, and relates to the technical field of decoking of industrial boilers, the intelligent agent spraying decoking system comprises a sensing module used for collecting coke scale characteristic data, and the data comprises the temperature, thickness, component distribution and adhesion strength of coke scale; the module is combined with a temperature sensor, a component analyzer and image detection equipment for cooperative work, and multi-dimensional scorch scale characteristic information is obtained in real time. According to the intelligent agent spraying decoking system for hearth energy saving and decoking, through cooperative use of the sensing module, the control module, the agent storage module, the agent spraying module and the feedback module, intelligent and accurate decoking is achieved, the diversity of coke scales can be effectively dealt with, the heat efficiency of a boiler is improved, the energy cost is reduced, and the safety problem caused by the coke scales can be prevented; the problems that a traditional decoking method is low in efficiency, poor in applicability and insufficient in adaptability to coke scale types are solved.

Mobile water treatment modules are disclosed that are designed as building blocks that can be assembled together in parallel and / or series to form larger more complex water treatment processes for site specific applications. Mobile water treatment modules can be customized for project specific requirements and for client preferred features. The treatment modules typically used as building blocks include, but are not limited to, pumping modules, chemical dosing modules, chemical storage tank modules, sludge wasting modules, valve modules, pumping tank modules, filtering modules, and well head enclosure modules.

The invention provides a chemical storage tank gas leakage monitoring system and a gas leakage positioning method. A leakage diffusion model in a chemical storage tank area is constructed; extracting chemical gas diffusion characteristics at each monitoring position according to the leakage diffusion model, and performing inversion calculation on the chemical gas leakage concentration of the chemical storage tank area to obtain different pre-estimated leakage source positions and pre-estimated leakage source intensities in the chemical storage tank area; extracting infrared absorption characteristics of chemical gas at each high-risk leakage point at different moments from an infrared image sequence at different high-risk leakage points in the chemical storage tank area, and performing spatial constraint on each estimated leakage source position to obtain a spatial constraint value of each estimated leakage source position; and performing positioning evaluation on each estimated leakage source position to obtain the positioning confidence of each estimated leakage source position. By adopting the scheme of the invention, the success rate of leakage source positioning search can be improved under the scene of early weak leakage of the chemical gas.

The invention discloses a safety evaluation method, system, equipment and program for a chemical storage place, and relates to the technical field of dangerous chemical management, and the method comprises the steps: carrying out the time-space alignment of multi-source data; wherein the multi-source data comprises stored chemical data, environment data, equipment state data, management data and historical data; extracting spatial features of the multi-source data after space-time alignment, and generating a spatial risk weight map; pre-training a risk evaluation model; and mapping the weight in the spatial risk weight map to the risk evaluation model to obtain a risk level. Through the treatment scheme disclosed by the invention, potential risks of the storage place can be found in time, early warning can be performed in advance, emergency response can be started, the possibility of accidents can be effectively reduced, and the safety of the chemical storage place can be improved.

The utility model discloses a quantitative dosing device, connecting plate, medicine storage barrel, moving block and discharge pipe, the connecting plate is respectively provided with one on the left side and the right side, a rectangular frame is fixedly connected between the two connecting plates, the moving block is connected in the rectangular frame in a sealing and sliding mode, and the discharge pipe is fixedly connected at the bottom of the rectangular frame. A motor works to drive a scraping plate and a stirring rod to rotate, so that the flowing speed of chemicals in a chemical storage barrel is increased, the chemicals flow into a through groove more easily, an electric telescopic rod pushes a moving block to move left and right, the through groove is in butt joint with a feeding port, the chemicals flow into the through groove, and in the moving process of the moving block, the through groove is gradually filled with the chemicals; when the movable block moves to the position of the discharging port, the chemicals in the through grooves fall into the discharging pipe and are thrown into external sewage, the other through groove is located at the feeding port, at the moment, the through grooves are full of the chemicals for emergency storage, meanwhile, the feeding port is sealed, and the process of quantitatively adding the chemicals into the sewage is achieved.

The invention provides a three-dimensional inspection system and method applied to a hazardous chemical substance tank area, and the system is characterized in that a first detection unit is fixedly arranged above the vertical projection of a hazardous chemical substance storage tank body, and is used for detecting the gas-liquid leakage condition in a first area region at the top of the hazardous chemical substance storage tank body; the flying rope robot is movably arranged in the horizontal center extension plane of the hazardous chemical substance storage tank body and used for detecting the gas-liquid leakage condition in a second area area of the side portion of the hazardous chemical substance storage tank body, and the second detection unit is arranged in the lower space of the hazardous chemical substance storage tank body; the gas-liquid leakage detection device is used for detecting the gas-liquid leakage condition in the third area area at the bottom of the hazardous chemical substance storage tank, and the top first area area, the side second area area and the bottom third area area of the hazardous chemical substance storage tank are combined to form the complete surface of the hazardous chemical substance storage tank. According to the invention, all-around and multi-dimensional monitoring of the hazardous chemical substance storage tank body can be realized, and a full-coverage three-dimensional inspection function of a large-area three-dimensional space of a hazardous chemical substance tank field is satisfied.

The invention relates to a buffer storage tank for chemical raw materials, which belongs to the technical field of chemical storage tanks and comprises a tank body and a tank cover module. A telescopic module is arranged in the tank body and connected with the tank cover module in a matched mode, and the tank cover module can drive the telescopic module to be folded and unfolded step by step. A partition plate module is arranged on the telescopic module; after the telescopic module drives the partition plate module to unfold, the partition plate module can divide the internal space of the tank body into a plurality of cavities; and a floating plate assembly is arranged on the tank cover module. The partition plate module can divide the tank body into a plurality of chambers according to the liquid storage amount, it is guaranteed that the chambers fully restrain the stored liquid, and the shaking amplitude of the stored liquid is remarkably reduced; meanwhile, the spoiler can prevent the liquid from flowing in the chamber, so that the shaking amplitude of the stored liquid is reduced; the partition plate module and the telescopic module can reduce energy generated by liquid shaking by utilizing elastic potential energy through a tension spring and a damping valve; the floating plate module can be dynamically attached to the liquid surface of the storage tank, wave impact caused by liquid fluctuation is blocked, and the inner wall of the tank body is prevented from being slapped by the liquid surface.

The invention relates to the technical field of liquid sampling devices, in particular to a chemical storage tank rapid sampling device which comprises a device body, and the device body comprises an upper sampling bottle for collecting upper-layer liquid in a storage tank and a lower sampling bottle for collecting lower-layer liquid in the storage tank. The device body is provided with a liquid discharging port communicated with an upper sampling port of the storage tank, an operation port for taking the upper sampling bottle and the lower sampling bottle out of the device body, and a lifting mechanism for synchronously lifting the upper sampling bottle and the lower sampling bottle; the lifting mechanism comprises an upper lifting assembly for driving the upper sampling bottle to lift, a lower lifting assembly for driving the lower sampling bottle to lift, a rotating part for mounting the upper lifting assembly and the lower lifting assembly, and a driving part for driving the rotating part to rotate so as to enable the upper sampling bottle and the lower sampling bottle to lift synchronously. By arranging the lifting mechanism, synchronous lifting of the upper sampling bottle and the lower sampling bottle can be achieved, upper-layer liquid and lower-layer liquid in the storage tank can be rapidly and synchronously collected, and time and labor are saved.

The invention discloses a vehicle-mounted automatic hydrogen production system which comprises a chemical storage tank, a pure water storage tank, a hydrogen production device, a cooling device, an induced draft fan, a drying section, a purification device, a compressor, a hydrogen storage tank and a hydrogen fuel cell, the chemical storage tank and the pure water storage tank are both connected with the hydrogen production device, the hydrogen production device is connected with the cooling device and the induced draft fan, the cooling device is connected with the hydrogen fuel cell, the induced draft fan is connected with the drying section, the drying section is connected with the purification device, and the purification device is connected with the compressor and the hydrogen fuel cell. The compressor is connected with the hydrogen storage tank, the hydrogen storage tank is connected with the hydrogen fuel cell, and the hydrogen fuel cell is connected with the pure water storage tank. The method has the advantages that the bottleneck that hydrogen is not easy to store and transport is solved, expensive links of hydrogen preparation, storage, transportation, adding and the like are omitted, the use cost is reduced, and the hydrogen productivity, the vehicle cruising ability and the driving safety are greatly improved.

A brace is provided with a removably secures a battery box and a set of solar panels to a bulk chemical storage tank so that the tank, the battery box and the solar panels may be moved as an integral unit. In one embodiment, the brace employs a novel cantilever arrangement. In another embodiment, the brace employs an offset catch to counteract a moment created by the battery weight. In another embodiment, the brace is part of a system which employs a tank stabilizing riser bracket.

The invention relates to the technical field of peroxide raw material quality monitoring, and discloses a peroxide raw material quality intelligent management and control system which comprises the steps that a differential heat flow sensing unit continuously measures the temperature difference gradient of a raw material barrel wall and ambient air, and a posture sensing unit monitors the physical motion state; and the edge processing unit performs time sequence integration on the temperature difference gradient when the raw material barrel is static to calculate a degradation degree value, and triggers early warning when the degradation degree value exceeds a threshold value, so that continuous quantitative tracking of the degradation process of the peroxide raw material is realized, and limitation of traditional discrete detection is avoided; measurement authenticity is guaranteed through a dual mechanism of motion state identification and signal filtering, long-term monitoring reliability is guaranteed in combination with a spontaneous heating pulse calibration technology, and a brand new process monitoring mode is provided for chemical storage safety.

The utility model relates to the technical field of oilfield chemistry, and particularly discloses an oilfield chemistry additive storage device which comprises a chemical storage barrel, a connecting pipe is fixedly connected to the top of the chemical storage barrel, sliding grooves are formed in the two sides of the interior of the chemical storage barrel, and a protection assembly is slidably connected to the interior of the chemical storage barrel. The protection assembly comprises a protection plate slidably connected into the chemical storage barrel, and sliding plates are fixedly connected to the left side and the right side of the protection plate. By arranging the sliding plates and the clamping blocks, the effect of adjusting and fixing the protection plates at different positions is achieved, adjustment is conducted according to chemical additives at different heights, the effect of protecting the tops of the chemical additives is achieved, and the situation that the chemical agents react due to shaking of the chemical agents is avoided; and meanwhile, the protection effect on the bottom of the protection plate is facilitated, the inhibition on the chemical agent is improved, and the service life of the protection plate is prolonged.

The invention discloses a riverway treatment chemical dosing device with a uniform dosing function, and relates to the technical field of sewage treatment.The chemical dosing device comprises a base, a chemical storage tank, a control cabinet, a water pump and a dosing mechanism, the chemical storage tank is fixedly connected with the base, the water pump is fixedly connected with the base and electrically connected with the control cabinet, and a water inlet of the water pump communicates with the chemical storage tank; the putting mechanism is communicated with a water outlet of the water pump and is used for uniformly putting a medicament into the river channel to treat sewage; the chemical feeding device is used for treating river sewage, the chemical feeding device can be installed in a river, the chemical storage tank is used for storing chemicals, during chemical feeding operation, the control cabinet starts the water pump, the water pump pumps out the chemicals in the chemical storage tank and pumps the chemicals into the feeding mechanism, and the chemical feeding mechanism is used for feeding the chemicals. And the throwing mechanism can uniformly throw the medicament into the river channel.

A method includes providing a well extending underground from a surface, using radial drilling to drill a primary tunnel extending in an outwardly direction from the well at a first axial location along the well, installing a chemical storage assembly in the primary tunnel, and ejecting chemicals from the chemical storage assembly into the well.

The invention relates to the technical field of rainwater treatment, in particular to a timed and quantitative dosing device for rainwater treatment of multiple treatment ponds. The invention provides the timing and quantitative dosing device for rainwater treatment of the multiple treatment ponds, which can improve the dosing pertinence and reduce the input cost. A timing and quantitative rainwater treatment dosing device with multiple treatment ponds comprises the treatment ponds, a medicine bin, dosing covers, a dosing mechanism and the like, the medicine bin is slidably connected to the top of the treatment ponds, the three dosing covers are connected to the top of the medicine bin in a threaded mode, and the dosing mechanism is arranged on the medicine bin. The dosing pump is controlled, so that the second guide pipe can spray a specific amount of liquid medicine into the treatment tank at a specific time, meanwhile, as three different liquid medicines can be stored in the medicine bin at the same time at most, the liquid medicine can be sprayed according to different conditions, and the treatment pertinence is improved.

The utility model relates to the technical field of storage tank protection equipment, and discloses a dust cover for a scale measuring opening at the top of a chemical storage tank, which comprises a cover body provided with a mounting component and a stop component. The mounting assembly comprises a connecting bolt which can be in threaded connection with a tank top gauge opening, an auxiliary nut which is fixedly arranged in the cover body and is in threaded connection with the connecting bolt, a square rod which is in sliding connection with the connecting bolt, a limiting block and a transmission gear which are fixedly mounted on the two end surfaces of the square rod respectively, and an annular gear which is in meshed connection with the transmission gear. According to the dust cover for the gauge opening at the top of the chemical storage tank, the mounting assembly and the cover body are integrally designed, so that the states of a plurality of connecting bolts on the cover body can be adjusted at the same time through components contained in the mounting assembly, the aim of simplifying the disassembly and assembly steps of the cover body is achieved, and the use efficiency of the whole structure is improved; and an application scene of a tank top scale measuring opening is fit.

The utility model relates to the technical field of chemical storage, in particular to an anti-leakage horizontal chemical storage tank which comprises a storage tank, a protection assembly is arranged at the bottom of the storage tank and comprises a bottom pipe, the bottom pipe is fixedly communicated with the bottom of the storage tank, and the bottom end of the bottom pipe is fixedly communicated with a first safety valve. According to the leakage-proof horizontal chemical storage tank, a protection assembly is additionally arranged, a first safety valve at the bottom of a bottom pipe is a discharging switch valve, a discharging pipe on the surface of one side of a connecting pipe is used for containing a solution during chemical production, a second safety valve at the bottom of a first connecting pipe is also a discharging switch valve, and when the leakage-proof horizontal chemical storage tank is used, the first safety valve is opened, and the second safety valve is closed; when the device is not used, the first safety valve is closed, the second safety valve is opened, if strong acid or strong alkali leaks, the strong acid or the strong alkali flows into the leakage containing frame from the second safety valve, the strong acid or the strong alkali cannot fall to the ground, damage to the ground or harm to personnel is avoided, and protectiveness and safety are improved.

To provide a chemical storage tank that is simple and inexpensive to construct, yet can adequately maintain the properties of the chemical solution. [Solution] A chemical storage tank comprising a chemical tank 1 for containing a separable chemical solution, a bubble discharge unit 2 for discharging bubbles into the chemical tank 1 to agitate the chemical solution, a gas supply means 3 for supplying gas to the bubble discharge unit 2, and a chemical injection means 4. The gas supply means 3 comprises a tube 6, a pressure regulating device 7, and a solenoid valve 8. The chemical injection means 4 comprises a suction pipe 11, a tube 12, and a chemical injection pump 13.

The utility model provides a kind of concrete admixture liquid raw material storage tank, it is related to chemical storage technical field, including plastic tank body, the top of plastic tank body is fixedly arranged with sealing top cover, the top of sealing top cover is fixedly arranged with control platform;The middle of control platform is rotatably arranged with stirrer, the middle of stirrer is rotating shaft, three groups of spiral vane are fixedly arranged outside stirrer by support, and spiral vane side is inclined downward;The top of control platform is rotatably arranged with transmission shaft, and bevel gear transmission connection is arranged in transmission shaft and stirrer;In the utility model, the function of homogenizing up and down liquid is provided, the stirrer of spiral structure cooperates with driving motor, and can generate lift to push liquid up and down circulation when rotating, and the transmission design of transmission shaft can completely avoid liquid stratification phenomenon, ensure material mixing precision, solve the problem that existing storage tank is not convenient to stir uniformly up and down.

1. The name of the design product: petrochemical storage tank. 2. The use of the design product: for storing petrochemical raw materials. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This utility model discloses a dosing device for precise chemical dosing in a coal washing plant, comprising a protective box, an electric push rod mounted on top of the protective box, a chemical storage chamber installed inside the protective box, the chemical storage chamber being fixedly connected to the output end of the electric push rod, a flow meter installed at the bottom output end of the chemical storage chamber, a dosing solenoid valve installed at the output end below the flow meter, limit rods fixedly mounted on both sides of the chemical storage chamber, a second transmission rod movably mounted below the right limit rod, a first transmission rod mounted below the second transmission rod, an extension hole at the bottom of the protective box, and a baffle movably mounted below the extension hole. This utility model, by setting up a protective box and a rotating, opening and closing baffle, allows the dosing device to retract into the protective box when not in use, preventing dust from the external environment from adhering to the output ports of the flow meter and the dosing solenoid valve, causing blockage of the dosing solenoid valve and affecting the accuracy of the flow meter.

The invention relates to the technical field of storage tank maintenance, in particular to a chemical storage tank solid waste cleaning device and method. The chemical storage tank solid waste cleaning device comprises a movable trolley, a material collecting box, a conveying belt mechanism and a bucket wheel material taking mechanism, a shear fork jacking mechanism is arranged on the movable trolley, the material collecting box is fixed to the top of the shear fork jacking mechanism, and a material collecting opening communicating with the inner space is formed in the top face of the material collecting box; one end of the conveying belt mechanism in the length direction is located above the material collecting opening and connected with the top face of the material collecting box, and the other end of the conveying belt mechanism in the length direction is located below the bucket-wheel material taking mechanism and connected with the bucket-wheel material taking mechanism. The chemical storage tank solid waste cleaning device can reduce the labor intensity and the safety risk of personnel and improve the tank cleaning operation efficiency.

The invention discloses a safe somatosensory device and an experiment method thereof, and relates to the technical field of safety education training. The safety somatosensory device comprises: a device housing; the beakers are arranged in the equipment box body; the hazardous chemical substance storage tank is arranged in the equipment box body, and the hazardous chemical substance storage tank is used for storing acid liquor; the anti-corrosion pipeline is arranged in the equipment box body, and the first end of the anti-corrosion pipeline is arranged in the hazardous chemical substance storage tank; the first backflow electromagnetic valve, the second backflow electromagnetic valve and the liquid feeding electromagnetic valve are arranged on the anti-corrosion pipeline, and when the liquid feeding electromagnetic valve is opened and the first backflow electromagnetic valve and the second backflow electromagnetic valve are closed, the first backflow electromagnetic valve and the second backflow electromagnetic valve are closed. Acid liquor in the hazardous chemical substance storage tank flows into any beaker in the plurality of beakers through the anti-corrosion pipeline; when the liquid feeding electromagnetic valve is closed and the first backflow electromagnetic valve and the second backflow electromagnetic valve are opened, the acid liquid in any beaker flows back to the hazardous chemical substance storage tank through the anti-corrosion pipeline. According to the invention, the safety of the safe somatosensory equipment is improved, and the occurrence probability of accidents is reduced.

The utility model relates to liquid chemical supply equipment which comprises an equipment cabinet, and an electric control area, a chemical storage area and a pump pipe conveying area which are isolated from one another are arranged in the equipment cabinet. A supply barrel used for storing liquid chemicals is arranged in the chemical storage area, an air pump is arranged in the pump pipe conveying area, a suction pipe is connected between the supply barrel and a thin suction opening of the air pump, and an exhaust opening of the air pump is connected with a supply pipe. The suction pipe and the supply pipe are respectively connected with an air valve, and the air valves are connected with an air compressor used for opening the air valves. A weighing platform is arranged at the bottom of the supply barrel, and the control box controls the air pump and the air compressor to operate according to the weighing result of the weighing platform. According to the liquid chemical supply equipment, the liquid chemicals are placed in the equipment cabinet, conveying and supplying of the liquid chemicals are achieved through the air pump and the pipeline, direct contact between the liquid chemicals and people is avoided, and the safety of the working environment is improved.

This invention relates to the field of hazardous chemical safety management technology, specifically providing a method for risk analysis of hazardous chemical storage accidents. The method includes the following steps: collecting and preprocessing time-series and spatial topology data of the storage area; inputting the time-series data into a time-dynamic risk prediction model, extracting time-sensitive features to output a time-series curve of risk level labeled with risky storage units; labeling high-risk time periods in the curves; constructing a spatial diffusion risk assessment model based on spatial topology data, extracting risk diffusion characteristics of target storage units and associating them with adjacent units, and outputting dynamic risk spatial distribution results; performing spatiotemporal coupling analysis on high-risk time periods and spatial distribution, correcting the results, and outputting early warning information; and finally, calling a management rule base to generate risk management decision instructions. This method covers both spatiotemporal dimensions, achieving dynamic risk assessment, early warning, and management, effectively improving the comprehensiveness and accuracy of hazardous chemical storage risk analysis and management, and providing scientific support for the safety management of storage areas.