8 results about "Superconducting magnet" patented technology

The invention discloses an imaging type optical system for a high-intensity magnetic field Fourier infrared spectrum device, which comprises a solenoid superconducting magnet tubular sample cavity for the high-intensity magnetic field Fourier infrared spectrum device, and a non-magnetic damping sleeve arranged in the solenoid superconducting magnet tubular sample cavity, a non-magnetic mirror surface gold-plated optical waveguide is arranged at the upper part in the non-magnetic damping sleeve, a Faraday optical module is arranged at the lower part in the non-magnetic damping sleeve, and an adjustable sample bearing table and a low-temperature thermometer and magnetometer assembly are arranged below the non-magnetic mirror surface gold-plated optical waveguide; the non-magnetic mirror surface gold-plated optical waveguide comprises a light-in waveguide and a light-out waveguide, and the Faraday optical module integrates a switchable reflection module and a transmission module which are respectively adapted to different strong magnetic field Fourier infrared spectrum measurement requirements. The optical efficiency of the high-intensity magnetic field Fourier infrared spectrum device is improved, the problems of high optical loss and scattering interference of a traditional device are solved, and the signal-to-noise ratio is increased.

The invention discloses a superconducting magnetization Fenton technology for sewage and wastewater treatment, and relates to the technical field of sewage treatment, sewage is firstly magnetized by a superconducting magnet, and then acid regulation, dosing, reaction, neutralization, coagulation and precipitation treatment are sequentially carried out. Experimental data show that common Fenton has a certain removal effect on pollutants under specific conditions, and the superconducting magnetization Fenton technology has remarkable advantages. When the pH (Potential of Hydrogen) is 3.0 to 5.5, the COD (Chemical Oxygen Demand) removal rate reaches 54.77 percent to 65.28 percent; when m (H2O2) / m (COD) is 0.5 to 3, the removal rate is 61.54 percent to 71.84 percent; and when the ratio of n (H2O2) to n (Fe < 2 + >) is 2-6, the removal rate is 60.74%-70.80%. Compared with the traditional Fenton technology, the technology has the advantages that the COD (Chemical Oxygen Demand) removal rate is greatly increased, the dosage of chemicals is reduced, the sludge amount is reduced by more than 30%, the reaction rate is increased by 20-40%, the pH reaction range is widened to 2-6, high-salt and high-toxicity wastewater can be effectively treated, and the technology has a wide application prospect in the field of sewage treatment.

This invention discloses a superconducting liquid hydrogen energy storage device, belonging to the field of superconducting magnet cooling. It includes: a nitrogen-fixed Dewar containing nitrogen, a liquid hydrogen Dewar containing liquid hydrogen, and a refrigerator. The nitrogen-fixed Dewar is immersed in the liquid hydrogen. The nitrogen encapsulates the superconducting energy storage magnet, providing electrical isolation between the liquid hydrogen and the superconducting energy storage magnet, and providing deformation restraint for the superconducting energy storage magnet. The liquid hydrogen Dewar has a hydrogen liquefaction inlet. The refrigerator is connected to the hydrogen liquefaction inlet and is used to cool the liquid hydrogen, allowing the liquid hydrogen to cool the superconducting energy storage magnet through the nitrogen. This invention comprehensively utilizes the isolation function of nitrogen fixation and the energy storage and cooling functions of liquid hydrogen, simultaneously achieving a high-safety combination of superconducting energy storage and liquid hydrogen energy storage, and nitrogen fixation prevents deformation of the superconducting energy storage magnet.

The invention discloses a low-temperature high-thermal-conductivity polymer composite material and a preparation method thereof, and belongs to the technical field of magnetic confinement nuclear fusion. A low-temperature high-thermal-conductivity filler and a polymer matrix are compounded through a specific process; the low-temperature high-thermal-conductivity filler in the material surrounds the polymer to form a quasi-continuous thermal-conductivity network, and the high thermal conductivity of 100 W.m <-1 >. K <-1 > can be achieved when the volume percent of the thermal-conductivity filler is 50% in a low-temperature environment (such as 4K). Under the condition of the same volume percentage of the heat-conducting filler, the low-temperature high-heat-conducting polymer composite material disclosed by the invention is far higher than other polymer composite materials, can be applied to the low-temperature heat and mass transfer fields such as superconducting magnets and the like, and has the advantages of light weight, low temperature resistance, easiness in processing and the like; the preparation method of the low-temperature high-thermal-conductivity polymer composite material is simple and reliable, and has great advantages in the aspect of batch production.

This invention discloses a low-temperature high thermal conductivity polymer composite material and its preparation method, belonging to the field of magnetic confinement nuclear fusion technology. This invention uses a specific process to composite a low-temperature high thermal conductivity filler with a polymer matrix. Compared to the microstructure of conventional polymer thermally conductive composite materials, this material has a quasi-continuous thermally conductive network formed by the low-temperature high thermal conductivity filler surrounding the polymer. At low temperatures (e.g., 4K), when the volume percentage of the thermally conductive filler is 50%, it can reach 100 W·m³. ‑1 ·K ‑1 The low-temperature high thermal conductivity polymer composite material of this invention exhibits significantly higher thermal conductivity than other polymer composite materials under the same thermally conductive filler volume percentage. It can be applied in low-temperature heat and mass transfer fields such as superconducting magnets, and possesses advantages such as lightweight, low-temperature resistance, and ease of processing. Furthermore, the preparation method of the low-temperature high thermal conductivity polymer composite material of this invention is simple and reliable, offering significant advantages in mass production.

The application relates to the technical field of long-time sequence prediction, and discloses a superconducting magnet multi-step temperature prediction method based on an improved whale optimization algorithm, which comprises the following steps: pre-processing original data sets related to the temperature of a superconducting magnet; constructing a whale optimization algorithm according to the logic of three kinds of hunting behaviors of a whale group hunting, and initializing a whale population; improving the whale optimization algorithm by combining Cauchy mutation and double adaptive weights; inputting a training data set into a long-short term sequence model, combining the improved whale optimization algorithm to optimize and adjust the long-short term sequence model super parameters, and updating the best long-short term sequence model super parameters; using the updated best super parameters to directly-recursively perform multi-step temperature prediction on a verification set, comparing the temperature prediction result with actual temperature data to check the prediction accuracy; and using the updated best super parameters to directly-recursively perform multi-step temperature prediction on a test set, comparing the temperature prediction result with actual training data to evaluate the prediction accuracy.

The application provides a carbon fiber directional skeleton and a prepared heat-conducting composite material, and relates to the technical field of advanced functional materials.The application first provides a carbon fiber / phenolic resin preform, uses the preform to prepare the carbon fiber directional skeleton, and further prepares the heat-conducting composite material.The preparation of the carbon fiber directional skeleton is not affected by the viscosity of the base material; meanwhile, the magnetic field strength used in the application is low, and the material preparation process is not limited by expensive superconducting magnet equipment and low-viscosity polymer base, so that the universality is very strong.The carbon fiber directional skeleton is used to prepare the heat-conducting composite material with carbon fiber directional arrangement, and the heat-conducting composite material has excellent vertical heat-conducting performance or in-plane heat-conducting performance, and has a good application prospect.

The invention relates to the technical field of maglev traffic, and discloses a traction, sleeper and buffer integrated device for a maglev train and the maglev train. The device comprises a traction bolster bottom plate, bolster beams, a traction main beam, buffer beams and a root reinforcing frame, the bolster beams are arranged at the two ends of the lower surface of the traction bolster bottom plate and connected with a suspension frame, and the traction main beam is arranged in the center of the lower surface of the traction bolster bottom plate and connected with the suspension frame; the buffer beam is arranged at the front end of the traction bolster bottom plate and connected with the traction main beam and the car coupler, and the root reinforcing frame is arranged at the tail end of the traction bolster bottom plate and connected with the front end of a passenger cabin section. Therefore, the load of the suspension frame can be reasonably and reliably transmitted, and meanwhile, an enough space is formed above the traction, bolster and buffer structure for loading related equipment of the superconducting magnet.