Chinese Academy of Sciences

Hefei Cas Ion Medical and Technical Devices Co., Ltd

Jinxing Zheng

Yuntao Song

Ming Li

Jing Wei

Yonghua Chen

Kun Lu

Haiyang Liu

Mingzhun Lei

Feng Jiang

Junsong Shen

Wenhua Dai

Chao Fang

Wuquan Zhang

Xianhu Zeng

Lei Zhu

Kaizhong Ding

Chen Liu

Junjun Li

Yong Cheng

Xuebing Peng

Jianghua Wei

Hansheng Feng

Gen Chen

Qingxi Yang

Fei Liu

Shuangsong Du

Zhou Yin

Pinghui Zhao

Shijun Qin

Pengyu Wang

Yudong Lu

Jinggang Qin

Lu Liu

Yifan Du

Xiaoliang Zhu

Zhuoyao Tang

Jian Ge

Songzhu Yang

Qingquan Zhang

Xufeng Liu

Manfen Han

Bo Zhi

Yu Zhang

Junsheng Zhang

Ge Wang

Cheng Zhou

A high-temperature superconducting plasma thruster system, having variable temperature ranges and being applied in space, is provided. The high-temperature superconducting plasma thruster system includes: a cathode-anode assembly, a high-temperature superconducting magnet system, a supporting and adjusting platform, a power-and-gas supply and cooling system, and an obtaining control system. The cathode-anode assembly is disposed at a center of a ring of the high-temperature superconducting magnet system; the cathode-anode assembly and the high-temperature superconducting magnet system are spatially engaged with each other by the supporting and adjusting platform to form a main body of the thruster system; the power-and-gas supply and cooling system and the obtaining control system are located outside of the main body of the thruster system and are connected to the cathode-anode assembly and the high-temperature superconducting magnet system.

High-temperature superconducting plasma thruster system having variable temperature ranges and being applied in space

A magnetic confinement fusion reactor includes a host hall, and a host including a Dewar system, a cold shield system, a superconducting magnet system, a vacuum chamber system, a divertor system, a blanket system, a remote operation system, and a maintenance system. The superconducting magnet system includes a central solenoid magnet, a poloidal field magnet, and a toroidal field magnet. The central solenoid magnet is configured to provide necessary volt-seconds. The poloidal field magnet is configured to generate a poloidal magnetic field. The toroidal field magnet is configured to generate a toroidal magnetic field. The plasma is confined by the toroidal magnetic field and the poloidal magnetic field. The vacuum chamber system is provided with a neutron shielding block to protect the superconducting magnets from being damaged by fusion neutrons.

Magnetic confinement fusion reactor

A superconducting eddy-current brake for high-speed trains includes a pair of superconducting magnet units with alternate arrangement of N and S poles; and a cryogenic system. The superconducting magnet units are fixed on a bottom of a bogie of the train and an air gap is provided between the superconducting magnet units and a top surface of a rail below the bogie. The cryogenic system is provided on the bogie of the train. Each superconducting magnet unit is embedded with a superconducting container including a coil case, a thermal shield and a Dewar successively from inside to outside. The coil case is filled with liquid helium. A superconducting coil is provided in the coil case and immersed in the liquid helium. A high-vacuum environment is provided in the thermal shield. Liquid nitrogen inlet and outlet pipes are provided on an outer wall of the thermal shield.

Superconducting eddy-current brake for high- speed train

The present disclosure provides a cooling structure of heat pipe for superconducting magneto plasma dynamic thruster having a cylindrical structure and includes a cathode, an intermediate connector and an anode. The cathode is arranged inside the intermediate connector, the anode is arranged outside the intermediate connector; the cathode is provided with a cathode cooling mechanism, and the anode is provided with an anode cooling mechanism. The cathode cooling mechanism includes a cathode heat pipe and a cathode heat dissipation fin. The anode heat pipe cooling mechanism includes an anode heat pipe and an anode heat dissipation fin.

Cooling structure of heat pipe for superconducting magneto plasma dynamic thruster

A superconducting magnet for eddy-current braking for a high-speed train. The superconducting magnet is fixed at a bottom of a bogie of the high-speed train through a connecting mechanism, and an air gap is formed between the superconducting magnet and a top of a guide rail below the bogie. The superconducting magnet after being excited generates an eddy-current effect with the guide rail of the high-speed train, so as to generate a braking force opposite to a traveling direction of the train, thereby braking the high-speed train. A liquid-level meter is provided on the superconducting magnet to detect a position of a cooling agent liquid level in real time. The superconducting magnet withstands vibration impact through elastic tie rod assemblies when the high-speed train is under operation, showing good adaptability.

Superconducting magnet for eddy-current braking for high-speed trains

A superconducting dipole magnet structure that includes coil boxes, a dewar and a support device is provided, wherein each of the coil boxes is of a one-piece structure in which a superconducting coil is provided, wherein the superconducting coils are opposite to each other so that a uniform dipole magnetic field is generated when the two superconducting coils are energized, and wherein the support device is fixed to the dewar and supports the coil box in the way of point contact.

Superconducting dipole magnet structure for particle deflection

A proton therapy system based on a compact superconducting cyclotron, including: a superconducting cyclotron system, an energy selection system, a beam transport system, a fixed therapy room subsystem and a rotating frame therapy subsystem; a fixed-energy proton beam extracted from a superconducting cyclotron of the superconducting cyclotron system is adjusted into a continuous and adjustable proton beam of 70 MeV to 200 MeV by the energy selection system, thus realizing a longitudinal adjustment for a proton range during treating a tumor, and the continuous and adjustable proton beam is respectively transmitted to the fixed therapy room subsystem and the rotating frame therapy subsystem by the beam transport system. The cooperative control of the superconducting cyclotron system, the energy selection system, the beam transport system and the therapy head realizes the transverse expansion of proton beams, thus realizing intensity modulated radiation therapy for the tumor.

Proton therapy system based on compact superconducting cyclotron

A honeycomb rib structure in a rotating gantry of a proton includes an upper honeycombed rib plate and a lower honeycombed rib plate which are mounted in a cylindrical body through a plurality of connecting structures. The upper and lower honeycombed rib plates are symmetrically arranged, and are spliced by a plurality of basic structures which are in a regular hexagonal shape. Connecting nodes between the adjacent basic structures are of a ring structure. Densities of the upper and lower honeycombed rib plates are adjusted through a density increasing structure.

Honeycomb rib structure in rotating gantry of proton therapy device

Disclosed is a beam energy dispersion adjusting mechanism for superconducting proton cyclotron. The adjusting mechanism includes a vacuum cavity, bases are symmetrically mounted on outer walls of four faces of the vacuum cavity in horizontal and vertical directions, an electric cylinder and a transmission mechanism are mounted on each of the four bases, a jaws block and a position fixing plate are correspondingly provided on an inner wall of the vacuum cavity at each face. The transmission mechanism includes an oil-free sleeve, a moving connecting rod onto which the position fixing plate is fixed, a corrugated pipe, and an electric cylinder connecting block whose both ends are screwed with the moving connecting rod and the electric cylinder, the jaws block is fixedly connected with the position fixing plate. The disclosure utilizes the electric cylinder to drive the jaws block to complete specified linear displacement, and satisfies back-end beam quality requirements.

Beam energy dispersion adjusting mechanism for superconducting proton cyclotron

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Anhui, China

Jinxing Zheng