CN218345497U

CN218345497U - Converter slag washing desulphurization device

Info

Publication number: CN218345497U
Application number: CN202222490601.8U
Authority: CN
Inventors: 陈帮海; 文小飞; 李�瑞; 汪鑫; 喻辉; 张博
Original assignee: Angang Group Xinyang Iron And Steel Co ltd
Current assignee: Angang Group Xinyang Iron And Steel Co ltd
Priority date: 2022-09-18
Filing date: 2022-09-18
Publication date: 2023-01-20
Anticipated expiration: 2032-09-18

Abstract

The utility model relates to the technical field of steel-making equipment, in particular to a converter slag washing desulphurization device, which comprises a converter supporting frame, a high temperature resistant stirring rod and a converter, wherein the converter is rotationally arranged on the converter supporting frame through a rotating shaft; perpendicular upwards is equipped with first adjusting device in the pivot first adjusting device's top is equipped with a support diaphragm is perpendicular to having second adjusting device down on the diaphragm, the below at second adjusting device is installed to high temperature resistant puddler the bottom of high temperature resistant puddler is fixed with the cross stirring rake. The utility model discloses a converter slag washing desulphurization unit can guarantee the stirring strength of desulfurization, tapping in-process, and then improves desulfurization efficiency.

Description

Converter slag washing desulphurization unit

Technical Field

The utility model relates to the technical field of steelmaking equipment, in particular to converter slag washing desulphurization unit.

Background

Sulfur adversely affects the properties of the steel, and high sulfur content in steel deteriorates the hot workability of the steel, i.e., causes "hot brittleness" of the steel. Sulphur is present in the steel in the form of FeS. In order to improve the quality of molten steel, the quality needs to be ensured by a slag washing desulfurization method, which is to add slag washing materials into a steel ladle and achieve the aim of slag washing desulfurization through stirring, temperature control and the like. In order to ensure the desulfurization efficiency, the stirring strength in the desulfurization and tapping processes must be ensured,

SUMMERY OF THE UTILITY MODEL

The utility model aims at: in order to ensure the stirring strength in the process of desulfurization and tapping and further improve the desulfurization efficiency, the utility model provides a converter slag washing desulfurization device.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a converter slag washing desulphurization device comprises a converter support frame, a high-temperature-resistant stirring rod and a converter, wherein the converter is rotatably arranged on the converter support frame through a rotating shaft;

the pivot is gone up perpendicularly to being equipped with first adjusting device the top of first adjusting device is equipped with a support diaphragm it is perpendicular to being equipped with second adjusting device down on the support diaphragm, the below at second adjusting device is installed to high temperature resistant puddler the bottom of high temperature resistant puddler is fixed with the cross stirring rake.

Preferably: the first adjusting device comprises a first telescopic cylinder, the first telescopic cylinder is vertically fixed above the rotating shaft upwards, a first rotating motor is fixed on a piston rod of the first telescopic cylinder, and one end of the supporting transverse plate is fixed on a rotor of the first rotating motor.

Preferably: the second adjusting device comprises a second rotating motor, the second rotating motor is vertically and downwards fixed at one end of the supporting transverse plate, a second telescopic cylinder is fixed on a rotor of the second rotating motor, and the top of the high-temperature-resistant stirring rod is fixed on a piston rod of the second telescopic cylinder.

Preferably: and a high-temperature-resistant heat-insulating plate is arranged above the high-temperature-resistant stirring rod.

Preferably: and a heat insulation box is arranged on the peripheral side of the second telescopic cylinder.

To sum up, the utility model discloses following beneficial effect has:

1. the first adjusting device is arranged on the rotating shaft, the second adjusting device is arranged on the supporting transverse plate, and the cross-shaped stirring paddle is driven by the second rotating motor to rotate quickly in the desulfurization process, so that the stirring efficiency is ensured; when the converter rotates to tap steel, the first adjusting device can rotate along with the converter, so that the high-temperature-resistant stirring rod is always positioned in the converter, and can still stir during tapping;

2. the height control of the cross-shaped stirring paddle can be realized through the first adjusting device and the second adjusting device, and the cross-shaped stirring paddle can be taken out during the desulfurization operation, so that the feeding operation is facilitated, and meanwhile, the cross-shaped stirring paddle can be replaced and maintained conveniently;

3. the high-temperature-resistant heat insulation plate can prevent molten steel from splashing to related equipment in the tapping process, and the heat insulation box can insulate heat outside the second telescopic cylinder to ensure the normal work of the second telescopic cylinder.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.

FIG. 1 is a schematic diagram of the overall structure of a converter slag washing desulfurization device;

wherein: 1. a converter support frame; 2. a high temperature resistant stirring rod; 3. a converter; 4. a rotating shaft; 5. supporting the transverse plate; 6. a cross-shaped stirring paddle; 7. a first telescopic cylinder; 8. a first rotating electric machine; 9. a second rotating electric machine; 10. a second telescopic cylinder; 11. a high temperature resistant heat insulation board; 12. a heat insulation box.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a converter slag washing and desulfurizing device includes a converter supporting frame 1, a high temperature-resistant stirring rod 2 and a converter 3, wherein the converter 3 is rotatably disposed on the converter supporting frame 1 through a rotating shaft 4;

the vertical upward first adjusting device that is equipped with in pivot 4 is equipped with a support diaphragm 5 in first adjusting device's top, and the vertical downward second adjusting device that is equipped with on support diaphragm 5, high temperature resistant puddler 2 installs in second adjusting device's below, is fixed with cross stirring rake 6 in the bottom of high temperature resistant puddler 2.

The first adjusting device comprises a first telescopic cylinder 7, the first telescopic cylinder 7 is vertically fixed above the rotating shaft 4 upwards, a first rotating motor 8 is fixed on a piston rod of the first telescopic cylinder 7, and one end of the supporting transverse plate 5 is fixed on a rotor of the first rotating motor 8.

The second adjusting device comprises a second rotating motor 9, the second rotating motor 9 is vertically and downwards fixed at one end of the supporting transverse plate 5, a second telescopic cylinder 10 is fixed on a rotor of the second rotating motor 9, and the top of the high-temperature-resistant stirring rod 2 is fixed on a piston rod of the second telescopic cylinder 10.

In the embodiment, the first adjusting device is arranged on the rotating shaft 4, the second adjusting device is arranged on the supporting transverse plate 5, and the cross-shaped stirring paddle 6 is driven by the second rotating motor 9 to rotate rapidly in the desulfurization process, so that the stirring efficiency is ensured; when the converter 3 rotates to tap steel, the first adjusting device can rotate along with the converter 3, so that the high-temperature-resistant stirring rod 2 is always positioned inside the converter 3, and can still stir during tapping;

can realize the altitude control to cross stirring rake 6 through first adjusting device, second adjusting device, when carrying out the desulfurization operation, can take out cross stirring rake 6, the feeding operation of being convenient for can be convenient for change maintenance to cross stirring rake 6 simultaneously

A high temperature resistant heat insulation board 11 is arranged above the high temperature resistant stirring rod 2. A heat insulating box 12 is provided around the second telescopic cylinder 10. The high temperature resistant heat insulation plate 11 can prevent molten steel from splashing to related equipment in the tapping process, and the heat insulation box 12 can isolate heat outside the second telescopic cylinder 10 to ensure the normal work of the second telescopic cylinder 10.

The working principle is as follows: during desulfurization, a converter 3 is firstly subjected to slag washing, a certain amount of slag washing material is placed into the converter 3, and a second rotating motor 9 drives a linear stirring paddle to rotate rapidly, so that the stirring efficiency is ensured;

after the desulfurization is finished, starting the first telescopic cylinder 7 and the second telescopic cylinder 10 to take the cross-shaped stirring paddle 6 out of the converter 3, and moving the cross-shaped stirring paddle 6 to one side of the converter 3 through the first rotating motor 8 so as to facilitate the slag tapping operation;

after slagging tap is accomplished, the cross-shaped stirring paddle 6 is moved to the top of the converter 3 through the first rotating motor 8, the first telescopic cylinder 7 and the second telescopic cylinder 10 are started to place the cross-shaped stirring paddle 6 into the converter 3 again, and when the converter 3 taps steel, the converter 3 drives the first adjusting device and the converter 3 to rotate synchronously under the action of an external driving device of the converter 3, so that high-strength stirring can be still provided when the converter 3 taps steel.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will appreciate that; modifications can still be made to the embodiments of the invention or equivalents may be substituted for some of the features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The converter slag washing desulphurization device is characterized by comprising a converter support frame, a high-temperature-resistant stirring rod and a converter, wherein the converter is rotatably arranged on the converter support frame through a rotating shaft;

2. The converter slag washing desulphurization device of claim 1, wherein the first adjusting device comprises a first telescopic cylinder, the first telescopic cylinder is vertically fixed above the rotating shaft, a first rotating motor is fixed on a piston rod of the first telescopic cylinder, and one end of the supporting transverse plate is fixed on a rotor of the first rotating motor.

3. The converter slag washing desulphurization device of claim 1, wherein the second adjusting device comprises a second rotating motor, the second rotating motor is vertically fixed downwards at one end of the supporting transverse plate, a second telescopic cylinder is fixed on a rotor of the second rotating motor, and the top of the high temperature resistant stirring rod is fixed on a piston rod of the second telescopic cylinder.

4. The converter slag washing desulphurization device of claim 3, wherein a high temperature-resistant heat-insulating plate is arranged above the high temperature-resistant stirring rod.

5. The converter slag washing desulfurization device according to claim 3, wherein a heat insulating box is provided around the second telescopic cylinder.