Experimental device for cavitation corrosion of liquid metal

Patent metadata

Field	Value
Publication number	US-11307126-B2
Application number	US-202016741945-A
Country	US
Kind code	B2
Filing date	Jan 14, 2020
Priority date	Aug 2, 2019
Publication date	Apr 19, 2022
Grant date	Apr 19, 2022

Abstract

The present invention discloses an experimental device for cavitation corrosion of liquid metal, comprising a stand, and a vibration device and a lifting and rotating device separately arranged on the stand, wherein a heating device for experimental use is arranged on the vibration device; a furnace lid with a sealing ring is arranged above the heating device; a stirring mechanism is arranged on the furnace lid; the stirring mechanism is connected to a chunk below the furnace lid; a clamp is connected below the chuck, and the clamp is connected to a sample; the furnace lid is connected to the lifting and rotating device; the lifting and rotating device can control the movement of the furnace lid so that the sample is placed in the heating device; the lifting and rotating device, the stirring mechanism, the heating device and the vibration device are connected to a control system.

First claim

What is claimed is:

1. An experimental device for cavitation corrosion of liquid metal, comprising
a stand ( 1 ), and
a vibration device and a lifting and rotating device separately arranged on the stand ( 1 ), wherein a heating device for experimental use is arranged on the vibration device;
the heating device comprises a heating furnace ( 5 ) arranged on the vibration device, and a silicon nitride crucible used for receiving a sample ( 6 ) is arranged inside the heating furnace ( 5 ); a furnace lid ( 8 ) with a sealing ring is arranged above the heating device; a stirring mechanism is arranged on the furnace lid ( 8 ); the stirring mechanism is connected to a chuck below the furnace lid ( 8 ); a clamp ( 19 ) is connected below the chuck, and the clamp ( 19 ) is connected to the sample ( 6 ); the furnace lid ( 8 ) is connected to the lifting and rotating device; the lifting and rotating device; controls the furnace lid ( 8 ) to rotate in a plane where the furnace lid is located;
the lifting and rotating device, the stirring mechanism, the heating device and the vibration device are connected to a control system, respectively; and, a corrosion experiment is carried out by adjusting a temperature of the heating device;
the lifting and rotating device comprises the guide pillar ( 9 ), one end of which is connected to the stand ( 1 ) through a guide pillar stand ( 10 ) while the other end of which is connected to the furnace lid ( 8 ) through a guide sleeve ( 12 ); a speed reducer holder ( 14 ) is arranged an extended end of the guide pillar ( 9 ); a speed reducer ( 6 ) is arranged on the speed reducer holder ( 14 ); and, the speed reducer ( 16 ) is connected to one end of a lead screw ( 11 ), and the other end of the lead screw ( 11 ) runs through a nut ( 13 ) on the furnace lid ( 8 ); the furnace lid ( 8 ) is controlled to lift up or down through the lead screw ( 11 ) and the nut ( 13 );
the stirring mechanism comprises a stirring motor ( 22 ) and a sample rack ( 7 ); the stirring motor ( 22 ) is connected to one end of a stirring shaft through a coupler ( 20 ); the other end of the stirring shaft runs through the furnace lid ( 8 ) to be connected to the sample rack ( 7 ); and, the sample ( 6 ) is arranged on the sample rack ( 7 ) through the clamp ( 19 ); and
the vibration device comprises a vibration platform ( 4 ); the vibration platform ( 4 ) is arranged on the stand ( 1 ); a vibrator ( 2 ) is arranged below the vibration platform ( 4 ); and, the heating furnace ( 5 ) of the heating device is arranged on the vibration platform ( 4 ).

2. The experimental device according to claim 1 , wherein the crucible is of a cylindrical cavity structure; and, a lower end of the cavity is closed, and a sealed end cover with a central circular hole is provided at an upper end thereof.

3. The experimental device according to claim 1 , wherein an infrared temperature detector ( 18 ) connected to the control system is arranged on the furnace lid ( 8 ).

4. The experimental device according to claim 1 , wherein the speed reducer ( 16 ) is connected to the control system, and the speed reducer ( 16 ) is connected with a hand wheel ( 15 ).

5. The experimental device according to claim 1 , wherein a motor holder ( 21 ) is arranged on an upper side of the furnace lid ( 8 ); the stirring motor ( 22 ) is arranged on the motor holder ( 21 ); the sample rack ( 7 ) is arranged on a lower side of the furnace lid ( 8 ); and, three slots are formed at clamping positions of the sample rack ( 7 ).

6. The experimental device according to claim 1 , wherein an air damper ( 3 ) is arranged between the vibration platform ( 4 ) and the stand ( 1 ).

Assignees

• Univ Xi An Jiaotong
• Jiangsu Feilu Heavy Industry Machinery Mfg Co Ltd
• Univ Beijing Technology
• Jiangsu Feilu Heavy Industry Machinery Mfg

Inventors

• Ma Shengqiang
• Wang Jiaqi
• Lv Ping
• Zhang Zongliang
• Xing Jiandong
• Fu Hanguang
• Gao Yimin

Classifications

• G01N17/006 Primary

  of metals · CPC title

• G01N3/567 Primary

  by submitting the specimen to the action of a fluid or of a fluidised material, e.g. cavitation, jet abrasion (G01N3/565 takes precedence) · CPC title