13results about How to "Avoid major accidents" patented technology

The invention discloses an intelligent mine management and control platform for mine management, and relates to the technical field of mine management, a mine is divided into different monitoring areas, detailed classification is carried out according to the personnel density, and the personnel density of the monitoring areas is improved. Key data such as ground stress fluctuation amplitude and communication channel electromagnetic interference index are acquired in real time by using a preset sensor, and a data test model is constructed to evaluate the stability of the intelligent mine management and control platform in combination with a sensor acquisition frequency deviation proportion; according to the evaluation result, the area is divided into different out-of-control risk levels, in-depth stability prediction is carried out on the high-out-of-control risk area, and a corresponding emergency management plan is made; the monitoring precision and the emergency response efficiency of mine operation under complex and extreme environment conditions are remarkably improved, and the possibility of safety accidents and operation interruption caused by out-of-control risks is reduced.

The invention relates to a water spraying system capable of inhibiting flash explosion fire on a drill floor, which belongs to the technical field of fire extinguishing systems of drilling platforms and comprises a water tank, a submersible pump, a steel pipeline and a directional spray head, a plurality of steel pipelines with directional sprayers are arranged upwards from a derrick of a drilling machine to a crown block, the directional sprayers are of tubular structures, the two ends of each directional sprayer are in screwed connection with the steel pipelines, the steel pipelines are connected through bent connectors, and the steel pipelines are in threaded connection with the bent connectors. The water spraying system is easy to install and convenient to control, manual / automatic control can be directly conducted by a specially-assigned person, water mist is fully distributed in the space from the drill floor face to the top of the crown block, and flash explosion and fire accidents caused by the fact that the concentration of flammable and explosive hazardous gas reaches the explosion limit are prevented.

The invention discloses a baking system applied after glass screen printing, relates to the technical field of glass processing, and solves the problems that in the baking process in the prior art, glass bursts due to different glass materials, and the qualification rate of products is affected. The technical problems that baking supervision is insufficient, potential safety hazards cannot be found, and accidents occur are solved. The method comprises the following steps: determining baking parameters according to performance indexes of target glass, setting baking equipment according to the baking parameters, and performing baking test on the baking equipment by using test glass to obtain test data; calculating a baking evaluation coefficient; when the baking evaluation coefficient is greater than a coefficient threshold value, baking the screen-printed target glass; otherwise, the baking parameters are adjusted and then tested again; real-time safety data in the baking process are detected, when an abnormal condition occurs, baking is stopped, and the abnormal condition is processed; the baking temperature can be ensured to be within the heat-resistant range of the glass material, and the qualification rate of glass products can be improved.

An optimization method for stabilizing photovoltaic (PV) power generation fluctuations using distributed energy storage based on scenario sets is proposed. This method establishes a dispatchable capacity model for distributed energy storage based on its physical characteristics; establishes node voltage constraints and branch transmission capacity constraints for the distribution network; introduces reactive power regulation equipment to establish a dispatchable reactive power support range; and maintains power and voltage stability through distributed energy storage and various reactive power regulation devices while considering branch transmission capacity constraints. Finally, a coordinated optimization model for distributed energy storage based on PV power generation prediction scenarios is established. This invention prioritizes the basic safety of the distribution network and can be well applied to cities with abundant solar resources. By equipping distributed energy storage and certain reactive power regulation devices, it alleviates power and voltage fluctuations caused by intermittent PV power generation, thereby improving grid operational stability, reducing economic costs, and conserving resources.

The invention belongs to the technical field of pipeline management, and discloses an integrated digital twinning intelligent management platform and method for a high-consequence area of a pipeline. Comprising the following steps: acquiring monitoring data of the high-consequence area of the pipeline, constructing a digital twin model of the high-consequence area of the pipeline, applying the monitoring data to the digital twin model, calculating a risk value of a fault of the high-consequence area of the pipeline, presetting a risk threshold value, and triggering a maintenance strategy of the high-consequence area of the pipeline when the risk value is greater than or equal to the risk threshold value; inputting the maintenance strategy into the digital twin model, and optimizing the maintenance strategy by adopting an optimization algorithm; according to the optimal maintenance strategy, maintenance operation is carried out on the high-consequence area of the pipeline, the health state of the high-consequence area of the pipeline can be dynamically evaluated, risks and hidden dangers can be found in time, and the safety and reliability of pipeline operation are improved.

The application relates to the technical field of fan blade detection, in particular to a fan visual inspection system and device based on a UAV and a readable storage medium, which comprises the following steps: step S1: using a UAV to move around a fan according to a preset path and recording a video of the fan; step S2: frame extraction is performed on the fan video to obtain multiple detection images; step S3: the detection images are input into a trained Yolov8m model to detect surface defects of the fan; and step S4: the detection images are input into a trained Yolov8s-OBB model to identify the blades and the tower drum, and the blades and the tower drum identified based on the Yolov8s-OBB model are used to detect the blade sweep tower. The blade sweep tower detection based on the position relationship realizes an early warning function, prevents major accidents and reduces maintenance costs; in addition, the whole process can be quickly deployed in a wind farm, supports large-scale continuous monitoring, optimizes resource utilization and enhances the reliability and service life of the fan.

The utility model discloses intelligent data monitoring equipment for forestry and agriculture, which comprises a hollow shell. The battery pack, the network module, the GPS module, the three-in-one module, the soil acidity and alkalinity testing module, the solar energy and wind power and external charging module, the crop diameter and distance module, the wind speed module and the moisture module are connected with the main control board, and the three-in-one module comprises a temperature sensor, a humidity sensor and an air pressure sensing module. According to the monitoring equipment provided by the utility model, the growth condition of crops in forestry and agriculture is detected through the modules, the main control board can send data detected by the modules through the network module, and the data of a monitored destination point can be safely and timely seen for analysis, adjustment and improvement while the labor cost is reduced; major accidents are prevented; a plurality of modules and batteries are integrated in the equipment, so that production, installation and debugging are facilitated, and the working mode of a traditional multi-combination module is changed.

The utility model discloses a safety braking system for large mechanical equipment. The safety braking system for the large mechanical equipment comprises a first safety brake and a second safety brake which are arranged on the low-speed winding drum side of an opening and closing mechanism and a supporting mechanism of a hoisting mechanism of the gantry crane, and an overspeed switch arranged on a steel wire rope winding drum of the gantry crane, the first safety brake and the second safety brake are connected with the safety brake hydraulic station; the overspeed switch is connected with the PLC, and the PLC is connected with the safety brake hydraulic station. The first safety brake and the second safety brake are respectively provided with an opening detection limit switch, the opening detection limit switches are connected with a PLC (Programmable Logic Controller), and the PLC is connected with the first high-speed brake and the second high-speed brake; when the original brake of the gantry crane fails, the newly mounted safety brake is closed in time to hold the brake disc, so that larger accidents can be avoided.

The application relates to a method for preventing burning of residual magnesium alloy liquid in a low-pressure pouring crucible, and aims to solve the problem that burning of magnesium in a pouring mold is easy to cause burning of residual magnesium liquid in the crucible, leading to explosion of a tank body and existence of a major safety hazard. The method comprises the following steps: step one, placing a liquid lifting pipe flange on a liquid lifting pipe on a low-pressure pouring equipment mold; step two, equalizing the pressure in the low-pressure pouring equipment mold and the working tank before low-pressure pouring; step three, filling gas into the working tank when the pouring work starts; and step four, starting a pressure relief valve of the working tank to discharge the gas in the working tank after the low-pressure pouring equipment mold completes the pouring technical parameters and indexes. The application belongs to the field of magnesium alloy pouring forming.

The utility model relates to the technical field of temperature sensors, and discloses a temperature sensor convenient to install, which comprises a short pipe, a sleeve connected to the short pipe and a thermometer connected to the sleeve, a placing groove is arranged in a protective cover, one end of the short pipe, one end of the sleeve and one end of the thermometer are all positioned in the placing groove, and the other end of the sleeve is positioned in the placing groove. The inner wall of one protective cover is fixedly connected with an air pressure sensor. The protective cover is arranged outside the short pipe, the gas pressure sensor is arranged in the protective cover, and the protective cover and the gas pressure sensor are matched with each other, so that early warning can be given to workers when gas leakage occurs, and the workers can quickly find the gas leakage position and deal with gas leakage accidents; major accidents are prevented; and meanwhile, the containing groove can provide buffering for leaked coal gas, the leaked coal gas is prevented from directly escaping into the air, and the safety of workers and equipment is further improved.

This application provides a data processing method and a safety instrumented system (SAS) applied to a server. The method receives a SAS design request from a user device, the request including any one or more regulations, standards, laws, industry standards, and policies. The method evaluates the SAS design request to obtain a first evaluation result. Based on the first evaluation result, it matches a corresponding SAS design from a pre-set SAS library. Finally, it sends the SAS design to the user device to facilitate implementation. This method can set up a SAS corresponding to the specific needs of different factories and enterprises, facilitating the identification of potential risks.

The application discloses a diaphragm compressor oil supplementing system, comprising: an oil supplementing oil way connected between a plunger pump and a cylinder, wherein a flow sensor one is arranged in the oil supplementing oil way; a branch oil way connected between the plunger pump and a crankcase, wherein a flow sensor two and a flow proportional valve are arranged in the branch oil way; an overflow oil way connected between the cylinder and the crankcase, wherein an overflow valve and a flow sensor three are arranged in the overflow oil way; and a PLC acquiring flow data of the flow sensor one, the flow sensor two and the flow sensor three, and capable of adjusting the opening degree of the flow proportional valve. The application further discloses a diaphragm compressor oil supplementing method. The application solves the technical problems that the oil supplementing amount cannot be dynamically adjusted, the oil supplementing amount is too much or too little, the oil supplementing system cannot be detected, and problems cannot be found in the first time.

The utility model discloses a wind turbine main shaft anti -loose structure, including the axle body, the axle body one end is provided with the wheel hub coupling flange, the axle body other end is linked with gear box low speed axle through the expansion sleeve, the expansion sleeve includes the outer ring, the inner ring and a plurality of groups of the bolt for connecting the outer ring and the inner ring, the end of bolt is provided with the nut and the anti -drop piece, the anti -drop piece and the nut number corresponding and the end of outer ring is arranged in the circumferential arrangement, and anti -drop piece can rotate around bolt axis, and is locked and fixed in the outer ring end portion through the nut, when anti -drop piece rotates to the preset position, can limit the nut on adjacent bolt and take off along the axial direction. The utility model discloses through setting up the anti -drop piece, utilize the nut on a bolt to fix the anti -drop piece, and the spacing clamp holder of this anti -drop piece can limit the nut on adjacent bolt simultaneously.