Device and method for effectively reducing vibration of refrigerator

Abstract

The invention discloses a device for effectively reducing vibration of a refrigerator. A refrigerator base flange is arranged at the lower part of a superconducting magnet; porous rubber balls I are arranged between the lower part of the refrigerator base flange and a refrigerator fixing flange; a refrigerator expansion machine is arranged at the center of the refrigerator fixing flange; the refrigerator fixing flange is connected with the upper ends of support rods through porous rubber balls II; the lower ends of the support rods are supported on an experimental platform; and the bottom of the refrigerator expansion machine is connected with the experimental platform through porous rubber balls III. A vibration reduction method comprises the following steps of (1) mounting the support rods on the experimental platform, connecting the porous rubber balls II and the support rods, and arranging the porous rubber balls III between the experimental platform and the refrigerator expansionmachine; (2) mounting the refrigerator and the refrigerator fixing flange, fixing the refrigerator fixing flange and the porous rubber balls II on the support rods; (3) welding corrugated pipes; and (4) mounting the refrigerator base flange and mounting the superconducting magnet. Vibration of the refrigerator can be effectively reduced, the device disclosed by the invention is simple in structureand easy to manufacture and the method is simple and feasible.

Description

technical field [0001] The invention belongs to the technical field of superconducting magnets, and relates to a device and method for effectively reducing the vibration of a superconducting magnet refrigerator. Background technique [0002] So far, there are two main cooling methods for superconducting magnets, one is the traditional liquid helium or liquid nitrogen immersion method, and the other is the method of direct cooling with a refrigerator. In recent years, with the tight supply of liquid helium and rising prices, the operating costs of superconducting magnets soaked in low-temperature refrigerants have increased year by year; at the same time, users need to replace liquid helium or liquid nitrogen regularly, which has caused difficulties for the maintenance of the magnets. Inconvenient, once the magnet is quenched for some reason, a large amount of liquid helium will be volatilized, causing great economic losses to users. [0003] With continuous breakthroughs in...

AI Technical Summary

Problems solved by technology

For commonly used superconducting magnets, the impact of such vibrations on the magnetic field, experimental samples and test results is basically negligible. However, for superconducting magnet systems that require precise measurement or precise detection of samples (for example: microwave As far as the detection system is concerned), the vibration of the refrigerator will affect the stability of the sample to a certain extent, which will have a certain impact on the experimental data

[0005] At present, the experimental error caused by the vibration of the refrigerator has been ignored by scientific researchers. However, with the development trend of superconducting magnets tending to be larger and more complex, in the future, for large superconducting magnets that realize precision engineering detection and measurement, refrigerators The increase in the number will make the impact of vibration on the experiment more serious. Obtaining a refrigerator vibration reduction method that is simple to operate, easy to implement, and strong in applicability will further improve the accuracy of related scientific research, and provide microscopic physics research such as: The propagation of microwaves and the interaction of microscopic particles provide more accurate research conditions

Images