38results about How to "Improve reaction speed" patented technology

The invention discloses a dynamic deviation rectifying method and system for sliding and lifting of a concrete sliding formwork of an ultra-large special-shaped vertical shaft. The method comprises the following steps that an ultra-large special-shaped vertical shaft model is established; configuring a deflection monitoring instrument; measuring the deflection amount of the sliding mode and generating measurement data; analyzing and processing the measurement data and generating a deviation correction control signal; deviation rectifying equipment performs slip form deviation rectifying; verifying a deviation correction result; and performing real-time dynamic analysis on the measured slip form deflection data, and generating a real-time dynamic deviation correction control signal to control deviation correction equipment to complete dynamic deviation correction of the slip form. The position, the posture and the motion state of the sliding mode can be monitored in real time, then measurement data are processed, and finally a deviation rectification control signal is generated to control deviation rectification equipment, so that the dynamic real-time deviation rectification work of the deflection of the sliding mode is realized. Therefore, high-precision, high-efficiency and high-adaptability dynamic deviation correction is realized, dependence on manual operation is reduced, high construction cost is reduced, adaptability and flexibility are enhanced, and safety and reliability of construction are improved at the same time.

The invention relates to a TPA-LSTM-based shunting area wet and slippery road surface vehicle type-based dynamic early warning and speed guiding method. The method comprises the following steps: S1, collecting traffic flow operation time sequence data in a highway shunting area wet and slippery road surface scene; s2, predicting speed limit values of different vehicle types for safe passing on the wet and slippery road surface in the shunting area; s3, formulating early warning information release content; s4, determining an early warning information issuing mode; s5, determining an information issuing position of the highway shunting area, wherein the information issuing position is comprehensively determined according to an existing shunting area ETC portal layout principle in combination with a warning information issuing standard; and S6, early warning information is pushed to the vehicle end, and the ETC door frame receives the optimal passing speed information of the wet and slippery road surface pushed by the traffic management background and issues the information to vehicle-mounted OBU equipment with a voice broadcast function of the vehicle. According to the method, the real-time performance, the dynamic adaptability, the personalized early warning and the driver response effect are remarkably improved, so that the occurrence rate of accidents in the diversion area in a wet and slippery road scene in rainy days is greatly reduced.

The invention relates to the technical field of underwater robot formation, in particular to an underwater unmanned underwater vehicle cluster defense confrontation method, which utilizes an underwater unmanned cluster to make up the defect of insufficient functions of a single platform by means of the number advantage, and aggregates various underwater platforms with different functions to form a common body capable of completing a given task together; a traditional expensive large manned platform is replaced by a large number of small-size low-cost distributed unmanned platforms, and the distributed unmanned platform has the advantages of being high in efficiency, low in cost, reconfigurable and capable of executing multiple tasks, is used for underwater defense and resistance, and can greatly increase the underwater reconnaissance search range and improve the response speed and the confrontation effect.

Provided is a method for preparing a recycled ABS resin including: preparing an extrusion feed including an acrylonitrile butadiene styrene (ABS) base resin including polyurethane and a metal carboxylic acid salt or a hydrate of the metal carboxylic acid salt, and supplying the extrusion feed to an extruder to perform a depolymerization reaction of the polyurethane and extrude the extrusion feed, wherein a master index (M) value satisfies 0.2≤M≤0.6.

The utility model discloses a kind of mixed reaction devices for aminosulfonic acid production belong to aminosulfonic acid technical field, including fixed plate, the top of the fixed plate is equipped with cylinder, the bottom surface of the cylinder is inlaid with mixing mechanism, the outer surface of the cylinder is connected with a group of support rods, the bottom surface of each support rod is connected with the upper surface of fixed plate. Through the design of motor and connecting rod, it is convenient for connecting rod to rotate, while driving the rotation of mixing plate, while mixing and stirring the raw materials inside the cylinder using the mixing plate, at this time, through the cooperation of dispersion plate and mixing plate, it is convenient for raw material mixing and dispersion, while being beneficial to uniform mixing of raw materials, and then it is convenient to speed up its mixing and reaction speed, using the design of fan, control valve and straw, it is convenient to suck the gas inside the cylinder, and it is convenient for gas discharge to the inside of box, while being beneficial to the treatment and discharge of gas by multiple filter elements, thereby reducing the influence of gas on surrounding environment.

The invention relates to the technical field of air pressure sensing detection, in particular to an air pressure feedback method and equipment based on high-precision pressure sensing. The method comprises the following steps: carrying out pressure sensing element space positioning calculation on air pressure feedback equipment, carrying out topological distribution fitting, and constructing an element topological distribution diagram; acquiring a historical pressure sensing sample of the high-precision pressure sensing element; performing dynamic pressure deformation rendering on the element topology distribution map based on a historical pressure sensing sample, thereby constructing a dynamic pressure deformation visual network; performing environment barometric disturbance mapping on the dynamic pressure deformation visual network according to the barometric feedback equipment to obtain a barometric disturbance visual network; and carrying out real-time operation monitoring based on the barometric disturbance visual network, and carrying out pressure visual mapping to obtain a real-time pressure deformation visual network. According to the invention, efficient and accurate element air pressure feedback is realized.

This invention discloses a method for intelligent verification and early warning of feeder protection settings across the entire distribution network, belonging to the field of power system relay protection technology. The method includes collecting relevant distribution network data and calculating positive-sequence components, establishing a Thevenin equivalent circuit model and iteratively optimizing parameters, calculating the operating current based on Thevenin parameters, verifying the level difference of adjacent feeder settings in real time, generating a list of compliant settings and distributing it to the protection device. The relevant distribution network data includes current and voltage. The method calculates the instantaneous current increment and performs a three-level decomposition using Daubechies 4 wavelets, extracting high-frequency detail coefficients d1-d3 for fault prediction, and performing Stockwell and Hilbert transform analysis on the current data based on the fault prediction results. This invention can significantly improve the response speed and processing capability of the power grid under sudden events, ensuring the safety and stability of power grid operation.

The utility model discloses an intelligent control box of automobile emergency starting, including central processing unit, LDO voltage stabilizing module, high -power relay device, reverse connection detection module, wire clamp inspection module, pilot lamp control module, button detection module and alarm prompt sounding device, wherein central processing unit is connected with battery power supply through LDO voltage stabilizing module, and is connected with relay, reverse connection detection module, wire clamp inspection module, pilot lamp control module, button detection module and alarm prompt sounding device respectively to realize unified control, battery power supply connects LDO voltage stabilizing module, and provides stabilized power supply to central processing unit through this voltage stabilizing module. Realized 12V and 24V battery's automatic identification, promoted the general property of intelligent control box of automobile emergency starting, integrated reverse connection protection, short circuit protection, undervoltage protection, alarm prompt and the like function, promoted the use safety of intelligent control box of automobile emergency starting.

The application discloses a method for preparing nanocellulose by treating bamboo shoot shell through a eutectic solvent, and comprises the following steps: S1, configuration of the eutectic solvent: after uniformly mixing a first component, a second component and a third component, the mixture is heated and stirred to obtain a ternary eutectic solvent; S2, configuration of a cosolvent: after uniformly mixing benzyl tripropyl ammonium hydroxide, 1'3-bishydroxymethyl urea and water, the mixture is heated and stirred to obtain the cosolvent; S3, preparation of nanocellulose: after mixing pretreated bamboo shoot shell, the ternary eutectic solvent and the cosolvent, the mixture is heated and stirred, after the reaction is completed, the mixture is washed with water, filtered, dried, and the obtained crude cellulose is configured into a suspension, and then ultrasonic treatment, high-pressure homogenization and freeze-drying are carried out to obtain nanocellulose. The nanocellulose obtained through the method has a high yield (88.36%), a high proportion of cellulose (90.19%) and a size of 58.78 nm.

This utility model belongs to the field of low-altitude flight technology and provides an electric pitch control mechanism for aircraft propellers. It includes a propeller assembly, a propeller hub, a drive assembly, and a pitch control module. The propeller assembly is connected to the propeller hub, and the pitch control module is installed inside the hub. A sensor assembly is mounted on the pitch control module to collect real-time changes in the propeller's angle or distance. The propeller assembly is connected to the pitch control module and uses the sensor assembly to collect and provide real-time feedback on these changes, thereby controlling the pitch angle. This patent uses sensors to collect the rotation angle of the lead screw shaft, the displacement of the pitch slider, and directly collect the pitch angle, enabling real-time feedback and control of the pitch angle. Its structure is simple, and it achieves stepless control of the pitch angle. Adjusting washers are used to adjust the clearance of the lead screw shaft within the propeller hub, improving the response speed of the lead screw shaft and the response accuracy of the propeller's pitch angle.

Provided is a production method for obtaining a silicone polymer, which is easily automated, continuous, and highly reproducible. The production method is characterized in that: a solution A containing at least one silane compound selected from a compound represented by general formula (1): RaSi(OR1)4-a ····· (1) wherein R represents a hydrogen atom or a monovalent organic group, R1 represents a monovalent organic group, and a represents an integer of 1 to 2, and a compound represented by general formula (2) : Si(OR2)4 ····· (2) wherein R2 represents a monovalent organic group and a solution B containing a catalyst are used; the solution A or the solution B contains water; and the solutions A and B are continuously supplied to a mixer and mixed together, and then supplied to and reacted in a tubular reactor having an inner diameter of 1 to 20 mm.

This invention relates to the technical field of potassium tert-butoxide preparation, and particularly to a potassium tert-butoxide reactor, comprising a storage mechanism; it also includes a mixing mechanism and a heating mechanism, both of which are mounted on the storage mechanism; the storage mechanism stores the raw material for potassium tert-butoxide, the mixing mechanism mixes the raw material for potassium tert-butoxide, and the heating mechanism regulates the temperature in the storage mechanism; the raw material for potassium tert-butoxide is discharged into the storage mechanism, the heating mechanism heats the storage mechanism to reach the required temperature, and then the mixing mechanism mixes the raw material for potassium tert-butoxide to prepare potassium tert-butoxide; after preparation, the mixing mechanism pressurizes the interior of the storage mechanism, and then the potassium tert-butoxide is quickly discharged through the bottom of the storage mechanism, thereby improving the practicality of the equipment.

The utility model belongs to chemical product preparation equipment technical field, concretely is a kind of reaction kettle for chemical product preparation, including outer kettle body and inner kettle body, the upper end of outer kettle body is fixedly connected with kettle cover, inner kettle body is rotationally arranged in outer kettle body, and the side of inner kettle body is fixedly connected with guide pipe close to bottom, heating plate is fixedly connected on the front and rear inner wall of inner kettle body, the upper end of heating plate is fixedly connected with outer sleeve tube, the shell of outer kettle body is sleeved with spiral pipe, the import and export of spiral pipe are fixedly connected with connector, guide pipe is arranged in the cavity between outer kettle body and inner kettle body, and outer kettle body is fixedly connected with discharge pipe on one side close to lower end face, and electromagnetic valve is fixedly connected on guide pipe and discharge pipe all.The utility model is through setting double-layer kettle body structure, can more accurately control temperature to reactant, avoid local temperature excessively high, to improve product quality.

The application discloses a method for synthesizing isooctanol benzoate by using a composite catalyst, and comprises the following steps: mixing isooctanol, the composite catalyst and benzoic acid, and heating and stirring, then increasing the temperature to 140-210 DEG C, carrying out esterification reaction for 5-7 hours, after the esterification reaction is completed, carrying out decoloration, neutralization, water washing, dehydration and dealcoholization, filtering, and cooling to obtain isooctanol benzoate. The application has the beneficial effects that by using the composite catalyst, the color number of the product can be reduced, the reaction speed can be accelerated, the isooctanol utilization rate can be improved, and the esterification reaction efficiency is improved; the process is simple, the production cycle is short, the product yield is high, the color number is small, energy is saved, the environment is protected, and industrialization is easy to realize.

This invention discloses a wind turbine pitch fault pre-diagnosis system and method based on digital twins, belonging to the field of wind turbine pitch fault pre-diagnosis technology. Specifically, it includes the following steps: when the pitch equipment enters a fault state, continuously monitor the fault recovery process of the pitch equipment and construct a digital twin virtual model to determine whether the pitch equipment exhibits frequent fault state switching; when frequent fault state switching occurs, acquire and analyze the behavior switching information of the pitch equipment during the frequent fault state switching process in real time to determine the switching amplitude of the pitch equipment when frequent fault switching occurs; based on the determination result, dynamically adjust the fault diagnosis process of the virtual model to adapt to the fault switching mode of the pitch equipment. This invention solves the problem of delayed diagnostic response when the pitch equipment frequently switches faults, realizing dynamic control and accurate prediction of the fault diagnosis process.

A reaction of a fluid in a reaction chamber is satisfactorily performed. A fluid control method includes: generating, in a reaction chamber (84) formed between an outer cylinder (61) and an inner cylinder (70) coaxially disposed in the outer cylinder (61), a reaction phase (30) having a ring shape and formed of a reaction target fluid (F1, F2) in which a Taylor vortex (V1) is generated, the reaction phases (30) arranged in an axis (R) direction, and an inhibiting phase (31) having a ring shape that is adjacent to the reaction phase (30) in the axis (R) direction and inhibits the reaction target fluid (F1, F2) in the reaction phase (30) from flowing out to an outside of the reaction phase (30).

The application relates to the technical field of cation exchangers, in particular to a cation exchanger convenient for backwashing and a use method thereof, which comprises a filter layer, a top cover and a tank body, the tank body top is detachably connected with the top cover through bolts, the filter layer is arranged in the tank body, and resin is arranged in the filter layer; a fourth channel communicated with the tank body side wall is arranged below the filter layer; a third channel is arranged at the tank body bottom, a tower type orifice plate cover is arranged at the tank body top, the tower type orifice plate cover is fixed with the top cover inner cavity top, and a first channel and a second channel are communicated with the tower type orifice plate cover after penetrating through the top cover. The tower type orifice plate cover is used to guide the input water to be purified, which can prevent the input water pressure from being too large to damage the resin and can make the water to be purified contact different resins more uniformly.

The application belongs to the field of road engineering and discloses a composite high-performance cement-based grouting material for local disease repair excited by carbamate, which is characterized in that the adding amount of each component is as follows in terms of weight fraction: cement 45-50 parts; water 20-25 parts; composite polyurethane 2.0-2.5 parts; nano-silica ash 0.9-1.0 parts; fine sand 2.3-2.5 parts; water reducing agent 0.2-0.25 parts; and defoaming agent 0.2-0.25 parts. The application also discloses a preparation method. The application has the following main beneficial effects: the hydration reaction and hydration speed are improved, and the formation of early strength is promoted; the strength and interfacial bonding strength after hardening, the toughness and stability of the grouting material are improved, the bubble content in the grouting material is reduced, the brittle fracture of the road surface is effectively reduced, the cement mortar breaking strength is increased, the mixing is carried out at normal temperature, the required energy consumption is low, no waste gas is discharged, the strength after hardening is high, and the adaptability is good.

The utility model discloses a scraper crawler loader convenient for feeding, which comprises a traveling mechanism, a steering chassis arranged on the traveling mechanism, an excavating mechanism and a scraper conveying mechanism arranged on the steering chassis, a feeding shovel arranged at the lower end of the scraper conveying mechanism and hinged with the scraper conveying mechanism, the air cylinder or the motor drives the connecting rod to enable the feeding shovel to automatically turn upwards after the excavating mechanism completes feeding, residual materials slide into the scraper conveying mechanism by utilizing gravity, the feeding efficiency of the excavating mechanism is remarkably improved, and therefore the overall material conveying capacity of the crawler loader is enhanced. In addition, due to the hinged design between the feeding shovel and the scraper conveying mechanism, the angle of the feeding shovel can be flexibly adjusted according to the material stacking condition and the feeding action of the excavating mechanism, and it is guaranteed that the materials enter the scraper conveying belt more smoothly.

The application discloses a kind of tellurium zinc cadmium polycrystal synthesis device and method thereof, specifically related to crystal preparation technical field, including installation base, the four corners of the upper surface of the installation base are all fixedly connected with support column, and the bottom of four support columns is fixedly connected with the four corners of the lower surface of installation top plate respectively, the inner wall of installation top plate is fixedly connected with the outer surface of fixed frame.The application is provided with heat preservation water tank, heating furnace, annular flow guide pipe and vacuum cover, the liquid in the heat preservation water tank is injected into the annular flow guide pipe by the water pump arranged in the heat preservation water tank, at the same time, the heat absorbed by the liquid is used to assist the temperature rise of the vacuum cover, so that the resources required for improving the temperature inside the vacuum cover are reduced, the consumption of resources during use of the synthesis device is effectively reduced, the cost of producing tellurium zinc cadmium is reduced, and the processing quality of tellurium zinc cadmium is guaranteed by the way of auxiliary temperature rise and temperature drop.