19results about How to "Sufficient reaction time" patented technology

The invention provides a real-time drilling tool jamming early warning method based on multi-modal data fusion and a graph neural network. The method is suitable for drilling tool jamming monitoring in drilling operation. According to the method, multi-modal data such as vibration, pressure and temperature are collected in real time through multiple sensors, and key features are extracted and fused into unified data representation after denoising, missing value filling and standardization processing. And then constructing a graph neural network model, capturing the space-time correlation between the sensors by using a graph convolutional network, and predicting the drilling tool jamming risk. After real-time data access, corresponding early warning is triggered based on the risk probability of drilling tool jamming, and an early warning threshold value is dynamically adjusted to adapt to different geological conditions. According to the invention, the accuracy and the real-time performance of early warning of jamming of the drilling tool are improved, and the adaptability and the robustness of the system are enhanced.

The invention provides a power transmission line fitting failure diagnosis method and system considering a near-wind-field airflow field, and relates to the technical field of power transmission line fitting failure assessment, and the method comprises the steps: obtaining a to-be-diagnosed fitting structure finite element model, building a to-be-diagnosed fitting simulation scheme based on the environment characteristics of the near-wind-field airflow field of a power transmission line, determining a stress aggregation region, and obtaining a to-be-diagnosed fitting failure assessment model; and determining a first constraint index for failure diagnosis of the to-be-diagnosed hardware fitting based on the obtained failure diagnosis constraint signal of the stress aggregation region and the stress aggregation region microscopic fatigue aggregation index, performing deviation extraction on the environmental characteristics of the near wind field and airflow field of the power transmission line, and judging the simulation failure diagnosis evaluation level of the to-be-diagnosed hardware fitting. According to the method, the problems that the traditional inspection tour is difficult to meet the accurate prediction requirement of the hardware failure in a complex environment and cannot meet the requirement of the dynamic failure diagnosis, evaluation and response of the power transmission line hardware are solved, the accuracy of fault prediction is greatly improved, and the safety risk caused by sudden fracture is reduced.

The invention discloses a flame-retardant board and a preparation method thereof, and relates to the technical field of composite boards. The flame-retardant plate is prepared from the following raw materials: collagen fiber powder and a plate material, the collagenous fiber powder is prepared from the following raw materials: collagenous fibers, protease and a metal salt tanning agent. The preparation method comprises the steps of protease treatment, metal salt treatment, collagen fiber powder preparation and plate preparation. The ignition time of a product plate can be effectively prolonged, so that the flame-retardant effect is exerted, and longer window time is provided to prevent, stop and delay the occurrence of a fire; and when a fire occurs, longer fire extinguishing, rescue and escape time can be provided.

The invention discloses a residual gas treatment device of a hydrogen peroxide sterilizer, and relates to the technical field of gas treatment devices.The residual gas treatment device is technically characterized by comprising a treatment shell, a gas inlet pipe is fixedly connected to one side of the treatment shell, an exhaust pipe is fixedly connected to the upper end of the treatment shell, and a filtering assembly is arranged on one side of the gas inlet pipe; a plurality of catalyst plates distributed in a crossed mode are fixedly connected to the inner wall of the treatment shell, a preheating assembly is fixedly connected to the outer side wall of the treatment shell, the filtering assembly comprises a filtering box, a filtering net is installed on the inner wall of the frame, and a baffle is fixedly connected to one side of the filtering net; a cleaning assembly is arranged on the inner wall of the filter box and located on one side of the filter screen. Residual gas entering the treatment shell is preliminarily filtered through the filtering assembly, impurities such as solid particles in the gas can be effectively intercepted, pore channel blockage and active site loss caused by the fact that the impurities make contact with the catalyst plate are avoided, and it is ensured that the catalyst plate is always kept in an efficient catalysis state.

The present application relates to the field of mineral processing, especially to a kind of apatite tailings microbial leaching device.The present application provides a kind of preliminary spray treatment in the process of discharging, and in subsequent process, reciprocating spray apatite tailings microbial leaching device.A kind of apatite tailings microbial leaching device, including conveying assembly, discharging frame, liquid storage component and first spray component, etc., conveying assembly left part is connected with discharging frame, conveying assembly middle part is connected with liquid storage component, and first spray component is connected between liquid storage component and discharging frame.The present application is processed twice by first spray component and second spray component, simultaneously, drive motor output shaft drives reciprocating screw rod to rotate, so that first moving piece can drive second spray component to move back and forth, in turn, when apatite tailings pass, reciprocating spray treatment can be carried out, improve the effect of spray filtration.

The present invention belongs to the field of engine aftertreatment system, and provides a composite two-stage SCR system, control method, aftertreatment system and vehicle, wherein the system includes a first SCR, a first ASC, a DOC, a DPF, a second SCR, a second ASC, a calculation control unit, an electric heating device, a gas concentration detection unit and an exhaust temperature unit, and determines the urea injection control strategy of the first SCR and the second SCR and the working strategy of the electric heating device according to the nitrogen oxide concentration and nitrogen dioxide ratio detected by the gas concentration detection unit and the temperature obtained by the exhaust temperature unit, and controls the first SCR, the second SCR and the electric heating device to work respectively according to the determined strategy. The present invention can meet the coordinated control requirements of ultra-low nitrogen oxide emissions and nitrous oxide gas emission restrictions of diesel engines.

The invention provides intelligent automatic crock medicine decocting equipment which comprises a medicine decocting table with a plurality of medicine decocting furnaces, conveying mechanisms for conveying medicine pots to be decocted inwards to one side of the medicine decocting table and conveying used empty medicine pots outwards are arranged on the two sides of the medicine decocting table, and a temporary storage device is arranged at the end of each conveying mechanism. A residue-liquid separator used for separating and filtering medicine residues and medicine liquid is further arranged on one side of the medicine decocting table, and a mechanical arm mechanism is arranged behind the medicine decocting table. The mechanical arm mechanism is used for clamping and placing a pot which is conveyed inwards from the conveying mechanism and is to be decocted on a medicine decocting furnace of the medicine decocting table, clamping the decocted medicine pot from the medicine decocting table to the position above the residue-liquid separator, pouring medicine residues and medicine liquid in the medicine pot into the residue-liquid separator, and then placing the empty medicine pot on the conveying mechanism to be conveyed outwards. According to the full-automatic medicine decocting machine, full-automatic control over medicine decocting is achieved, the medicine decocting stations suitable for crock or ceramic pots are arranged, and the optimal medicine effect of medicine liquid is guaranteed.

The utility model discloses a stirrer suitable for dismounting an aeration head, and relates to the technical field of excrement fermentation stirring reaction. The double-shaft stirrer solves the problems of short retention time of materials in the stirrer, insufficient reaction time, easiness in accumulation of the materials, overlong discharging time, incomplete discharging and difficulty in replacement of an aeration head of a gaseous auxiliary material in the conventional double-shaft stirrer for the excrement fermentation process. A stirring tank body is installed at the top end of a stirring rack, a stirring double-shaft assembly is rotatably installed in the stirring tank body, one end of the stirring double-shaft assembly is connected with a driving mechanism, a rectangular discharging opening is formed in the bottom of the stirring tank body, a bottom bin door is arranged at the rectangular discharging opening, and the bottom bin door is rotatably connected with the stirring tank body. The bottom bin door is connected with the bottom bin door opening mechanism, the plurality of aeration heads are uniformly distributed on the upper end surface of the bottom bin door, and the aeration heads are detachably connected with the bottom bin door. According to the utility model, the aeration head is arranged on the bottom bin door, so that the aeration head can be easily replaced after discharging is finished.

The utility model discloses a liquid sampling device of an on-line analysis instrument, which is arranged on an ion exchanger in a matching way and comprises a sampling pipe system and the on-line analysis instrument, the sampling pipe system comprises a sampling guide pipe and a plurality of sampling probes, the sampling guide pipe is horizontally arranged on the ion exchanger body in a penetrating mode, the sampling end of the sampling guide pipe is communicated with the sampling probes, and the sampling probes are annularly and horizontally arranged around the sampling end of the sampling guide pipe at intervals; and the tail end of the sampling conduit is connected with a water inlet interface of the on-line analysis instrument positioned outside the ion exchanger. The sampling point is far away from the water producing tank or the water using point, and after sampling analysis, alarming and control are performed, so that enough reaction time is provided, unqualified product water can be prevented from entering the ion exchange water producing tank to influence the water quality of produced water, and the produced water is ensured to continuously reach the standard.

The invention provides a grab bucket collision early warning method and system, and belongs to the technical field of collision prediction.The method comprises the steps that in response to a received first trigger instruction, a portal crane is controlled to collect an operation video, and portal crane operation information and portal crane grab bucket operation images are obtained based on the operation video; determining a first collision boundary and a first distance between the grab bucket and the first collision boundary based on the portal crane grab bucket operation image; and collision early warning is carried out based on the first distance and the portal crane operation information. According to the grab bucket collision early warning method and system provided by the invention, the accuracy of grab bucket collision detection can be improved.

The invention provides an iron oxide powder roasting furnace and a method for producing low-chlorine low-moisture iron oxide powder. The iron oxide powder roasting furnace comprises a furnace body, a first heating assembly and a second heating assembly. A furnace chamber is formed in the furnace body; the first heating assembly supplies heat to the furnace chamber at the first heating position, and the second heating assembly supplies heat to the furnace chamber at the second heating position; the first heating position is located between the top and the middle of the furnace chamber, and the second heating position is located between the middle and the bottom of the furnace chamber; a first reaction area is formed between the first heating position and the top of the furnace chamber; a second reaction zone is formed between the second heating position and the bottom of the furnace chamber, and an intermediate reaction zone is formed between the first reaction zone and the second reaction zone; the first reaction zone has ascending airflow in the roasting process, and the second reaction zone has descending airflow in the roasting process. The low-chlorine low-moisture iron oxide powder can be obtained, the problem that the chlorine content of the iron oxide powder exceeds the standard is solved, the moisture of the iron oxide powder is reduced, and the specific surface area of the iron oxide powder is increased.

The invention relates to the technical field of saccharifying pots, and discloses a mixing device for beer production, which comprises a saccharifying pot main body, the top of the saccharifying pot main body is fixedly connected with a stirring motor, the middle position of the saccharifying pot main body is rotatably connected with a stirring shaft, and the top of the stirring shaft is fixedly connected with the output end of the stirring motor. Stirring blades are fixedly connected to the two sides of the lower end of the stirring shaft, a threaded ring is in threaded connection with the middle of the stirring shaft, multiple sets of cavities are formed in the outer wall of the threaded ring, an upper end connecting block is fixedly connected to the top of the inner side of the saccharifying pot body, air holes are formed in the top of the upper end connecting block, and sleeves are fixedly connected to the inner ring and the outer ring of the bottom of the upper end connecting block; the bottom of the sleeve is fixedly connected with a connecting sleeve organ pipe. According to the mixing device for beer production, a washing mode is replaced by a soaking mode, so that the contact time of a cleaning agent and the inner wall of the saccharifying pot main body is longer, sufficient reaction time is provided for the cleaning agent and impurities, the cleaning effect is better, and the waste of the cleaning agent is not easily caused.

An active early warning type radar tail lamp for an electric vehicle comprises a tail lamp shell and a PCB arranged in the tail lamp shell, a radar chip is arranged on the PCB, the radar chip achieves real-time detection of the relative horizontal distance M and the relative linear distance N between the radar chip and a rear object in the mode that millimeter waves are emitted backwards, and an MCU chip and a Bluetooth IC are further arranged on the PCB. The Bluetooth IC is used for realizing Bluetooth connection with a vehicle owner, the MCU chip is electrically connected with an external sound-light alarm element, and the MCU chip receives measurement data of the radar chip at two continuous moments t1 and t2 and performs operation according to a built-in program; data can be accurately collected through the radar chip, the MCU chip carries out calculation according to the collected data, it can be guaranteed that a driver has enough safety distance and response time, and when the situation that the safety distance is small or the response time is insufficient is calculated, the MCU chip enables the sound-light alarm element to give a sound-light alarm, and the active early warning function is achieved.

The application provides a self-circuit breaking cable, which comprises a protective layer, a plurality of conductors arranged in parallel in the protective layer, and a plurality of groups of circuit breaking connecting sleeves arranged between the conductors and the protective layer, wherein the circuit breaking connecting sleeve comprises two sleeve bodies arranged coaxially and in parallel, and a separation assembly is arranged on the part of the opposite end surfaces of the sleeve bodies which is not passed through by the conductors, and the separation assembly pushes the two sleeve bodies away from each other after being heated; the conductor comprises a conductive section and a separation section, and the separation section is internally prepared from a low-toughness and easy-to-break material. The application can realize automatic disconnection of the cable in a high-temperature environment, avoid partial melting of the conductor wire to form a short circuit and further cause a battery to burn and explode, and provide more sufficient reaction time for personnel to escape, thereby greatly improving the safety performance of new energy vehicles, ships and other equipment.

The invention discloses a vehicle-mounted-cloud road time health multi-dimensional analysis and risk assessment system, and belongs to a vehicle-mounted analysis and assessment technology. Capacitance, pressure and radar signals are fused, the defect of a single sensor can be overcome, a lightweight self-adaptive filtering model generated based on hardware sensing meta-neural architecture search is adapted to a vehicle-mounted edge computing power constraint and interference feature real-time sensing mechanism, so that the model can adjust a filtering strategy according to vehicle vibration and illumination changes, and the vehicle-mounted edge computing power constraint and interference feature real-time sensing mechanism is optimized. The dynamic scene self-adaptive capability is enhanced, the delay of the generation of the health state snapshot of the edge end can be effectively reduced through model quantification and hardware optimization, and the occupancy rate of vehicle-mounted computing resources can be effectively reduced by unloading a complex model training task to the cloud and only executing lightweight reasoning by the edge end. The parameter updating strategy is dynamically adjusted based on the communication quality, the data transmission amount can be effectively reduced in a weak communication environment, and the model updating failure caused by communication fluctuation is avoided.

The application provides a vehicle power battery thermal runaway early warning and control method and vehicle, and relates to the technical field of vehicle.The method comprises the following steps: obtaining the driving state of the vehicle and the operation parameter of the power battery of the vehicle; when the driving state is an intelligent driving state and the operation parameter meets the thermal runaway early warning condition, the thermal runaway early warning and vehicle takeover reminding are performed on the driver of the vehicle; when the driver takes over the vehicle, the vehicle exits the intelligent driving state.The application monitors the driving state of the vehicle and the operation parameter of the power battery in real time, and when the driving state is an intelligent driving state and the operation parameter meets the thermal runaway early warning condition, the driver is early warned about the thermal runaway condition, and the vehicle takeover reminding is performed at the same time, so that the driver can have enough reaction time for orderly taking over the vehicle, safe evacuation and the like before the thermal runaway event of the power battery of the vehicle, and the influence of the thermal runaway event on the safety of the driver and road traffic is effectively reduced.

This invention relates to the field of carbonization equipment technology, and particularly to a carbonization reaction tower, comprising a reaction body with a reaction chamber inside; a mixing module including a distribution component, a mixing component, and a spacer component, the spacer component being disposed in the middle of the reaction chamber, dividing the reaction chamber into a gas flow chamber, a mixing chamber, and a deposition chamber, the mixing component being disposed within the mixing chamber; the distribution component being disposed within the deposition chamber, the distribution component being sealed and connected to the mixing pipe, and the distribution component being connected to the outside via an air inlet pipe; and a circulation separation module being disposed at the bottom of the reaction body, used to cyclone-separate the slurry at the bottom of the reaction chamber and then transport it to the top of the mixing module. The carbonization reaction tower provided by this invention, by forming a mixing pipe with a Venturi structure, significantly enhances the mass transfer process and reaction efficiency, while simultaneously enabling the separation and circulation of the bottom slurry, ensuring the degree of material reaction while preventing equipment blockage.

A combined counting device of a penicillin bottle feeding star wheel and a photoelectric switch comprises bottle feeding barriers, a first gap is formed by the two bottle feeding barriers, a bottle conveying belt is arranged in the first gap, the bottle feeding star wheel is arranged at the end, close to a bottle outlet, of the first gap, and a waste kicking part is arranged on the first bottle feeding gap. A bottle clamping neck structure is arranged on a section of first gap from the waste kicking part to the bottle feeding star wheel, a first small bottle detection device is installed on the bottle feeding barrier between a bottle inlet of the first gap and the waste kicking part, and a second small bottle detection device is installed on the bottle feeding barrier between the waste kicking part and the bottle feeding star wheel. And a third small bottle detection device is mounted on the bottle feeding barrier on one side of the bottle feeding star wheel. The counter is used for solving the problem that counting is inaccurate due to the fact that penicillin bottles continuously pass through the counter and reaction is not timely.

The utility model discloses a multistage uranium conversion fluidized bed reactor, which belongs to the technical field of hydrofluorination or hydrogen reduction process in uranium purification conversion process, and comprises a reactor main body, the reactor main body comprises N stages of fluidized bed layers, N is greater than or equal to 2, N is an integer, and the N stages of fluidized bed layers are the first-stage fluidized bed layer to the Nth-stage fluidized bed layer in sequence from top to bottom, gas distribution plates are arranged at the bottoms of the N stages of fluidized bed layers, every two adjacent stages of fluidized bed layers are separated by the corresponding gas distribution plate, an overflow pipe is arranged between every two adjacent stages of fluidized bed layers, and the overflow pipes penetrate through the gas distribution plates to be communicated with the two adjacent stages of fluidized bed layers. The utility model has the beneficial effects that the multi-stage shallow fluidized bed is adopted, so that the fluidized bed can keep higher fluidization quality, and the overflow pipe is arranged between two adjacent fluidized bed layers, so that particles among the bed layers can be continuously and stably conveyed, and the production stability of the device and the long-period safety and reliability of the device are favorably guaranteed.