8 results about "Heat deposition" patented technology

The present application provides a magnetic layer having a coercive force Hc of 2.00 kOe or more and a residual magnetization Mrt per unit area of 2.00 memu / cm2 or more, which is achieved without using a non-magnetic underlayer for promoting in-plane orientation of the magnetic layer and without performing heat deposition 2 The above in-plane magnetization film, in-plane magnetization film multilayer structure, hard bias layer, magnetoresistance effect element, and sputtering target. The in-plane magnetization film has: a preliminary magnetic layer (12A) containing Co, Pt, and a non-magnetic grain boundary material and having a thickness of 1 to 32 nm; and a magnetic layer main portion (12B) formed on the preliminary magnetic layer (12A) and containing Co, Pt, and a non-magnetic oxide, the above non-magnetic grain boundary material of the preliminary magnetic layer (12A) containing at least one of a Zn oxide and a Ta oxide.

The application relates to the field of heat dissipation, in particular to an anti-blocking water circulation radiator, which comprises a radiator body, a filter screen structure, a temperature sensor array and other components arranged in the body, the radiator body is provided with a hot water outlet and a cold water outlet, a specific control method is adopted to perform heat dissipation, data is collected through the temperature sensor array, a model is established to calculate heat dissipation efficiency, and a phase change material heat storage module, a fault tolerance mechanism and the like are further arranged. The application achieves the technical effects that heat dissipation conditions of the radiator can be monitored and regulated in real time, blocking can be effectively prevented, working parameters of a micro-channel pump group can be dynamically adjusted according to a heat deposition accumulation trend, heat can be temporarily stored and directionally forced to dissipate when local temperature rises too fast, the radiator simultaneously has a fault tolerance capability, and stable operation of the radiator is guaranteed.

The invention discloses a high-heat-flow deposition component of a high-power ion source discharge cavity, which belongs to the technical field of thermal management of a neutral beam injection system of a nuclear fusion device and comprises a thermal deposition component upper plate, a thermal deposition component middle plate and a thermal deposition component lower plate which are sequentially arranged from top to bottom, grooves are formed in the upper and lower surfaces of the thermal deposition part middle plate; the thermal deposition part middle plate and the thermal deposition part upper plate are welded into a whole to form a cooling water channel; the thermal deposition component middle plate and the thermal deposition component lower plate are welded into a whole to form an air inlet channel; the air inlet channels are integrated on the two sides of the thermal deposition face of the high-heat-flow deposition component. After integral welding, an anti-electrode-pollution labyrinth structure is machined on the upper surface of the high-heat-flow deposition component, and a trapezoidal groove is formed in the outer side of the anti-electrode-pollution labyrinth structure; a magnet mounting groove is milled in the bottom of the high-heat-flow deposition component. The method solves the problems of high heat load, material thermal stress concentration and non-uniform heat dissipation of a thermal deposition part caused by upgrading and reconstruction of an ion source plan.

The application discloses a laser inertial fusion cladding and a design method thereof. The cladding is divided into a tungsten armor, a first wall, a tritium breeding self-cooling area and a back plate from near to far according to the distance from the fusion reaction center. The design method firstly establishes a simplified radial partition three-dimensional model of the cladding, then performs neutron transport calculation on the model to obtain the tritium breeding rate and the nuclear heat deposition spatial distribution of the cladding, combines material characteristics to perform thermal calculation and obtain the temperature distribution in the cladding, comprehensively considers the tritium breeding rate and the temperature distribution, adopts an optimization algorithm to determine the reasonable interval of the radial size of each functional area of the cladding, then performs fine modeling, and optimizes the design in the interval until the standard is met. The fusion cladding and the design method thereof can replace the complete cladding model in the traditional cladding engineering design with the spherical radial partition model on the basis of ensuring the accuracy, avoid the establishment of a complex model in the multi-physical field coupling calculation, optimize the design process of the cladding, and design the cladding suitable for the laser inertial confinement fusion.

The invention discloses an ion selective groundwater remediation system and method based on a composite adsorption material, the system comprises an in-situ PRB module, an ex-situ packed bed module and a regulating reservoir, the in-situ PRB module and the ex-situ packed bed module are both internally provided with the composite adsorption material; the composite adsorption material is composed of, by mass, 60-80% of a biochar matrix, 10-20% of a nanometer iron oxide load layer and 10-20% of a modified zeolite coating, the preparation method of the composite adsorption material comprises the steps of pyrolysis, hydrothermal deposition and surface modification, the system adopts an acid pickling-organic solvent elution-thermal regeneration combined process as a regeneration process, and the composite adsorption material is prepared through the following steps: preparing the composite adsorption material; the material cost is reduced by 40%, the adsorption capacity is improved by 3-5 times, the adsorption effect is greatly improved through twice treatment, heavy metal / organic pollution synchronous removal is achieved through the component synergistic effect, the recovery process is simplified through the magnetic separation technology, and the operation and maintenance cost is reduced.

The application discloses a high-energy outgoing electron protection device for a neutral beam injection negative ion source, belongs to the field of the neutral beam injection negative ion source of magnetic confinement nuclear fusion, and mainly comprises a protection plate, a supporting base, a thermocouple and an infrared thermal imager. The protection plate is used for intercepting high-energy outgoing electrons. The supporting base is used for mounting and positioning the protection plate in a beam line vacuum chamber. The thermocouple is used for realizing real-time monitoring of the local temperature of the protection plate. The infrared thermal imager is used for observing a large-area heat source of the protection plate and determining the heat deposition position distribution of the high-energy outgoing electrons. The application realizes protection of heat load sensitive components such as a cryogenic pump by intercepting the high-energy outgoing electron beam and monitoring the deposition position of the high-energy outgoing electron beam, promotes the performance improvement and scheme perfection of an electron suppression means, is favorable for long-pulse stable operation of the negative ion source, and can effectively protect the high-energy outgoing electron in the neutral beam injection negative ion source.

This invention discloses a method for preparing nano-titanium dioxide using hydrochloric acid, a byproduct of the titanium dioxide production process via the chloride process, comprising the following steps: (1) distilling and concentrating the hydrochloric acid to obtain a titanium solution with a concentration of 4–10 mol / L; (2) diluting the titanium solution with water to obtain a diluted titanium solution with a concentration of 1–4 mol / L; (3) slowly adding an alkaline solution to the diluted titanium solution until it approaches the critical deposition point, at which point the addition of the alkaline solution is stopped, resulting in a critical deposition titanium solution; (4) heating and stirring the critical deposition titanium solution to deposit the solution, followed by filtration, washing, drying, calcination, and grinding to obtain rutile nano-titanium dioxide. This invention employs a critical homogeneous precipitation method, where alkali is slowly added at room temperature to neutralize the solution to the critical deposition point. This titanium solution serves as a homogeneous active reaction liquid, and low-temperature heating deposition is used to prepare nano-titanium dioxide with uniform particle size distribution.

This invention belongs to the field of catalyst technology, and relates to a surface-reconstructed heterojunction catalyst, its preparation method, and its application. The preparation method includes the following steps: dissolving cobalt salt, iron salt, and praseodymium salt in deionized water, heating and spraying the solution onto a support to obtain praseodymium-doped cobalt-iron layered double hydroxide; mixing the praseodymium-doped cobalt-iron layered double hydroxide with a phosphorus source and calcining under an inert atmosphere to obtain praseodymium-doped CoP / Fe2P; and subjecting the praseodymium-doped CoP / Fe2P to electro-oxidation treatment to obtain Pr6O. 11 Cluster-modified CoFeOOH heterojunction catalysts. Through the synergistic application of spray thermal deposition-phosphating-electrooxidation techniques, stable construction and electrochemical activation of the heterojunction interface were achieved, significantly improving the catalyst's corrosion resistance and resistance to chlorine evolution competition in chlorine-containing alkaline systems. An overpotential of only 223 mV was required to reach 100 mA·cm⁻¹. ‑2 The current density is maintained at a stable level for 500 hours.