Unlock instant, AI-driven research and patent intelligence for your innovation.

Electroslag remelting device and method based on rotating consumable electrode under vacuum environments

A technology of consumable electrodes and electroslag remelting, which is applied in the field of electroslag remelting, can solve the problems of restricting the development of electroslag remelting, the coarse crystal structure of steel ingots, and the increase of gas content, and achieve the elimination of white spots and annual rings Effects of segregation, less element burning loss, and longer motion path

Inactive Publication Date: 2014-02-26
NORTHEASTERN UNIV
View PDF3 Cites 12 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the traditional electroslag remelting method is used to produce large-section steel ingots, there are still problems such as coarse crystal structure, segregation and uneven grain size of the steel ingots.
In addition, when producing high-alloy steel ingots, the burning loss of elements is serious, the composition control is difficult, and the gas content will increase
At the same time, high power consumption and low production efficiency also restrict the development of electroslag remelting

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Electroslag remelting device and method based on rotating consumable electrode under vacuum environments
  • Electroslag remelting device and method based on rotating consumable electrode under vacuum environments

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] An electroslag remelting device based on a rotating consumable electrode in a vacuum environment, such as figure 1 As shown in (a) and (b), it includes crystallizer 16, consumable electrode 14, conductive rod 13, column 21 and bottom water tank 18, bottom water tank 18 is fixed on the operation platform 20, crystallizer 16 is placed on bottom water tank 18 One end of the conductive rod 13 is welded and fixed to one end of the consumable electrode 14. The device also includes a control motor 1, a motor support 3, a reducer 2, a belt drive, a rotating shaft 10, a conductive cross arm 9, and a vacuum cover 11 and vacuum pump 19; the model of control motor 1 is YVP355M2-90kW-10p, the model of reducer 2 is BLY27-11-11, the model of vacuum pump is 2XZ-15B, and the consumable electrode is made of 201 stainless steel.

[0035] A vacuum cover 11 is installed above the crystallizer 16, and a vacuum pump 19 is connected to the vacuum cover 11 through a pipeline. The molten metal d...

Embodiment 2

[0055] The electroslag remelting device based on the rotating consumable electrode in the vacuum environment of this embodiment is the same as that of Embodiment 1, and the consumable electrode, slag system, slag amount, voltage, remelting process and arc striking method are all the same as those of Embodiment 1. Same. In this embodiment, the current is 1800A, the rotation speed of the electrode is 140rpm, and the absolute vacuum reaches 0.076 kPa. After 28 minutes, a steel ingot with a diameter of 120mm and a height of 500mm is obtained. After the steel ingot obtained by electroslag remelting is subjected to normalizing at 1050°C and tempering at 280°C, the mechanical properties of the steel ingot are: σ b / 551 MPa, σ s / 397 MPa, δ / 23%, Akv / 148J.

[0056] In order to compare the influence of the electroslag remelting device and method based on the rotating consumable electrode in the vacuum environment on the quality of the steel ingot, the steel ingot was prepared by the o...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Diameteraaaaaaaaaa
Tensile strengthaaaaaaaaaa
Yield pointaaaaaaaaaa
Login to View More

Abstract

The invention provides an electroslag remelting device and method based on a rotating consumable electrode under vacuum environments, and belongs to the technical field of electroslag remelting. The electroslag remelting device comprises a crystallizer, the consumable electrode, a power conducting rod, a stand column, a bottom water tank, a control motor, a motor supporting seat, a speed reducer, a belt transmission device, a rotating shaft, a power conducting cross arm, a vacuum enclosure and a vacuum pump, wherein the vacuum pump is connected to the vacuum enclosure through a pipeline; the control motor and the speed reducer are fixedly connected to the motor supporting seat; the speed reducer is connected to the rotating shaft through the belt transmission device; the rotating shaft is connected to the power conducting rod through a flange plate; the power conducting rod and the consumable electrode are welded together; and the consumable electrode is inserted in the crystallizer, so that the whole remelting device is formed. The electroslag remelting device has the advantages that the oxygen content and the hydrogen content in steel ingots are reduced under the effect of vacuum, the burning loss of elements is low, and no air holes are generated in the steel ingots; and meanwhile, the melting speed is increased under the effect of centrifugal force, the remelting power consumption is reduced, metal liquid drops are refined, the refinement effect is improved, steel ingot crystal particles are refined, and the quality is obviously improved.

Description

technical field [0001] The invention belongs to the technical field of electroslag remelting, in particular to an electroslag remelting device and method based on rotating consumable electrodes in a vacuum environment. Background technique [0002] Traditional electroslag remelting is to pass current into the consumable electrode in the atmospheric environment, rely on the Joule heat generated by the slag pool to melt the consumable electrode, and the formed metal droplets are refined in the slag pool and pass through the slag pool Reach the bottom of the crystallizer and solidify into steel ingots under the action of cooling water. Electroslag remelting has the unique triple function of improving metal cleanliness, controlling solidification structure and final forming to achieve blank refinement. The steel ingot produced by this method has the advantages of dense structure, uniform composition, smooth surface and excellent mechanical properties. However, when the traditi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C22B9/187C22B9/18
Inventor 李宝宽王强刘鹏李一明
Owner NORTHEASTERN UNIV
PatSnap Eureka logo

PatSnap Eureka turns technology decisions into work you can execute. Powered by our Innovation Knowledge Graph, it runs expert workflows across engineering, life sciences, materials and intellectual property. Get your review-ready output in minutes.

X (Twitter)LinkedInYouTubeSubstack

© 2026 PatSnap. All rights reserved. 

Terms of Service

 | 

Privacy policy

 | 

Modern Slavery Act Transparency Statement