CN218115480U

CN218115480U - Simple grid assembly of steelmaking slag pot

Info

Publication number: CN218115480U
Application number: CN202222414455.0U
Authority: CN
Inventors: 王海华; 阳方; 周辉; 鄂江龙
Original assignee: Wuhan Iron And Steel Group Refractory Materials Co ltd; Wuhan Iron and Steel Co Ltd
Current assignee: Wuhan Iron And Steel Group Refractory Materials Co ltd; Wuhan Iron and Steel Co Ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-23
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a simple and easy grid assembly of steelmaking slag ladle, including vertical installing in the slag ladle and separating into a plurality of interregional polylith grid plate with it, the outline size of each grid plate is rather than the slag ladle inner wall size phase-match that corresponds hookup location, its characterized in that respectively: each grid plate is provided with a flat framework formed by welding waste section steel, the periphery of the flat framework is covered with a wire mesh formed by welding waste wires, and waste refractory bricks are filled in the wire mesh. The utility model firstly adopts a flat framework and a form of filling waste refractory bricks by arranging a novel grid plate component, does not need prefabrication molding, and can save a large amount of manpower and energy; secondly, the steel mill is made of materials owned by the steel mill, so that the steel mill has high strength, is not easy to damage in the hoisting process, has low cost, is beneficial to protecting the environment of the steel mill, and does not leave solid wastes out of a factory; and finally, long-distance transportation and hoisting are not needed, so that damage can be well avoided.

Description

Simple grid assembly of steelmaking slag pot

Technical Field

The utility model belongs to the technical field of ferrous metallurgy, concretely relates to simple and easy grid assembly of steel-making slag ladle.

Background

In the steel-making process, the slag pot is an important container for containing the casting steel and the steel slag, and the shape of the slag pot is generally a circular truncated cone with a large upper part and a small lower part. Because the casting residual steel and the steel slag are poured into the slag pot from the ladle in a molten state and are often in a condensed state when poured out from the slag pot, the post-treatment of the casting residual steel and the steel slag needs to be divided by an oxygen gun and manually struck, and the efficiency is low and the cost is high. In order to improve the treatment efficiency, at present, most steel mills are provided with grid plates in various shapes in a slag tank, so that the casting residual steel and the steel slag are separated into small blocks with similar sizes, and the subsequent treatment and the reutilization are facilitated.

However, the prior slag pot grating plate is basically cast by adopting refractory castable and then assembled in a slag pot. The grid plate has the following defects in practical application, on one hand, the grid plate needs to be cast and prefabricated for forming, and is dried after being formed, so that a large amount of manpower and material resources are wasted; on the other hand, in order to meet the purpose of easy dispersion when pouring the slag pot, the grid plate has lower strength under the general condition, and is easy to break in the actual hoisting and assembling processes, so that the grid plate has to be replaced again, and the serious consequence of needing rework is caused. The defects bring much inconvenience to the steel mill, so that the manufacture of a simple and applicable slag pot grating plate in the steel mill is very important.

Disclosure of Invention

The utility model aims at providing a simple and easy grid subassembly of steelmaking slag jar to solve current grid plate need prefabrication shaping, often because of grid plate intensity easily appears damaged problem inadequately at the handling in-process moreover, reduce grid cost of manufacture simultaneously.

In order to achieve the above object, the utility model provides a simple and easy grid assembly of steel-making slag ladle, install in the slag ladle and separate into the polylith grid board of a plurality of districts with it including vertical, the outline size of each grid board matches rather than the slag ladle inner wall size who corresponds hookup location respectively, each grid board all has the flat skeleton that is formed by the welding of old and useless shaped steel, the periphery of flat skeleton covers has the wire netting that is formed by the welding of old and useless iron wire, wire netting inside packing has old and useless resistant firebrick.

Furthermore, the plurality of grid plates comprise a first grid plate, two second grid plates and a third grid plate, wherein the first grid plate is coincident with the axial lead of the slag tank, the two second grid plates are positioned on one side of the first grid plate and are vertical to the first grid plate, the third grid plate is positioned on the other side of the first grid plate and is vertical to the first grid plate, and the two second grid plates and the third grid plate are in a staggered arrangement structure.

Further, first grid board is the trapezium structure of falling on the whole, and its flat skeleton includes two first braces that link to each other with slag ladle both sides inner wall respectively, still including setting up the T shape support of falling between two first braces, the horizontal member both ends of the T shape support of falling are connected with the bottom of two first braces respectively, the vertical member top of the T shape support of falling flushes with the top of two first braces.

Furthermore, the second grid plate is of an inverted right trapezoid structure on the whole, the flat framework of the second grid plate comprises a second inclined bracket connected with the inner wall on one side of the slag pot and an inverted L-shaped bracket arranged on the inner side of the second inclined bracket, the end part of a horizontal member of the inverted L-shaped bracket is connected with the bottom end of the second inclined bracket, and the top end of a vertical member of the inverted L-shaped bracket is flush with the top end of the second inclined bracket.

Furthermore, the third grid plate is of an inverted right trapezoid structure on the whole, the flat framework of the third grid plate comprises a third inclined support connected with the inner wall of the other side of the slag tank and an L-shaped support arranged on the inner side of the third inclined support, the end part of a horizontal component of the L-shaped support is connected with the bottom end of the third inclined support, and the top end of a vertical component of the L-shaped support is flush with the top end of the third inclined support.

Furthermore, the width between the wire meshes on the two surfaces of the flat framework is 100-105 mm, so that the waste refractory bricks with conventional sizes can be accommodated; and an opening for placing waste refractory bricks is formed in the top of the flat framework.

Further, the top of the flat framework is provided with a lifting lug for lifting the grid assembly.

As a preferred scheme, each support of the flat framework is formed by welding waste channel steel.

As another preferred scheme, all the brackets of the flat framework are formed by splicing waste angle steels into channel steels and then welding the channel steels.

Compared with the prior art, the utility model discloses can gain following beneficial effect:

1. the utility model adopts the flat framework and the form of filling the waste refractory bricks by arranging the novel grid plate component, and does not need to be prefabricated and molded, thereby saving a large amount of manpower and energy;

2. the waste angle steel, the waste channel steel, the wire netting and the waste refractory bricks are made of materials owned by a steel mill, so that the strength is high, the waste angle steel, the waste channel steel, the wire netting and the waste refractory bricks are not easily damaged in the hoisting process, the cost is low, the environment protection of the steel mill is facilitated, and the solid wastes are prevented from leaving a factory;

3. the utility model discloses used slag pot grid subassembly can make through simply welding at the steel mill and form, and not only the preparation is efficient, does not need long distance transportation and handling moreover, can avoid the damage well.

Drawings

FIG. 1 is a schematic main sectional view of a simple grate assembly of a steel-making slag vessel in an assembled state;

FIG. 2 isbase:Sub>A schematic sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional structural view of the first grid plate of FIG. 2;

FIG. 4 is a cross-sectional structural view of the second grid plate of FIG. 2;

FIG. 5 is a cross-sectional view of the third grid plate of FIG. 2;

fig. 6 is a schematic diagram of an angle iron splicing structure of the flat framework in fig. 2.

The components in the figures are numbered as follows: a first grid plate 1; a second grid plate 2; a third grid plate 3; waste refractory bricks 4; a wire netting 5; a slag pot 6; a flat frame 7 (wherein: a first inclined bracket 71; a second inclined bracket 72; a third inclined bracket 73; an inverted T-shaped bracket 74; an inverted L-shaped bracket 75; a first waste angle steel 77a; a second waste angle steel 77b; a weld 77 c); and a lifting lug 8.

Detailed Description

The present invention is described in further detail below with reference to the following figures and specific examples, which should not be construed as limiting the invention.

Fig. 1-2 show a simple grid assembly of a steel-making slag pot described in this embodiment, which includes four grid plates vertically installed in a slag pot 6 and dividing the slag pot into five regions, where the grid plates include a first grid plate 1 coinciding with an axial lead of the slag pot 6, two second grid plates 2 located on one side of the first grid plate 1 and perpendicular thereto, and a third grid plate 3 located on the other side of the first grid plate 1 and perpendicular thereto, and the two second grid plates 2 and the third grid plate 3 are in a staggered arrangement structure. In this embodiment, the two second grid plates 2 are symmetrical with respect to the axial line of the slag pot 6, so that the overall stability of the grid assembly can be improved.

In this embodiment, the size of the outer contour of each grid plate is respectively matched with the size of the inner wall of the slag pot at the corresponding connecting position. Each grid plate all has the flat skeleton 7 that is formed by the welding of old and useless shaped steel, and the periphery of flat skeleton 7 covers has wire netting 5 that is formed by the welding of old and useless iron wire, and wire netting 5 passes through welded fastening on flat skeleton 7, and wire netting 5 is inside to be filled has old and useless resistant firebrick 4. The flat framework 7 and the waste refractory bricks 4 are adopted, and prefabrication and forming are not needed, so that a large amount of manpower and energy can be saved.

As shown in fig. 1, in this embodiment, the upper end surface and the lower end surface of each grid plate are located at the same height, and the upper end surface is at a certain distance from the top end of the slag pot 6. The stability and consistency of the whole grid assembly are ensured.

As shown in fig. 1, a lifting lug 8 for lifting the whole grid assembly is arranged at the upper end of the flat framework 7, particularly at the center of the slag pot 6. Is convenient for integral hoisting and improves the working efficiency.

As shown in fig. 3, the first grid plate 1 is of an inverted trapezoid structure as a whole, the flat framework 7 of the first grid plate includes two first inclined brackets 71 connected to the inner walls of the two sides of the slag pot 6, and further includes an inverted T-shaped bracket 74 disposed between the two first inclined brackets 71, two ends of a horizontal member of the inverted T-shaped bracket 74 are connected to the bottom ends of the two first inclined brackets 71, respectively, and the top end of a vertical member of the inverted T-shaped bracket 74 is flush with the top ends of the two first inclined brackets 71.

As shown in fig. 4, the second grid plate 2 is of an inverted right trapezoid structure as a whole, the flat framework 7 includes a second inclined bracket 72 connected to an inner wall of one side of the slag pot 6, and further includes an inverted L-shaped bracket 75 disposed inside the second inclined bracket 72, an end of a horizontal member of the inverted L-shaped bracket 75 is connected to a bottom end of the second inclined bracket 72, and a top end of a vertical member of the inverted L-shaped bracket 75 is flush with a top end of the second inclined bracket 72.

As shown in FIG. 5, the third grid plate 3 has an inverted right trapezoid structure as a whole, and the flat framework 7 thereof includes a third inclined bracket 73 connected to the inner wall of the slag pot 6 on the other side thereof, and further includes an L-shaped bracket 76 provided inside the third inclined bracket 73, wherein the end of the horizontal member of the L-shaped bracket 76 is connected to the bottom end of the third inclined bracket 73, and the top end of the vertical member of the L-shaped bracket 76 is flush with the top end of the third inclined bracket 73.

As further shown in fig. 1 and 2, the joints of the first grid plate 1, the second grid plate 2 and the third grid plate 3 are welded. Since the second grating plate 2 is not located on the axis of the slag pot 6 in this embodiment, the width of the second grating plate 2 is smaller than the width of the third grating plate 3, but the heights of the two grating plates are the same. The wire netting 5 of each grid plate on both sides of the flat frame 7 has a width of 100-105 mm, so as to accommodate the waste refractory bricks 4 of conventional size. An opening (not shown in the figures) for placing the spent refractory bricks 4 is provided on top of the flat skeleton 7. The shape of the used refractory bricks 4 near the side wall of the slag pot 6 is matched with the shape of the side wall of the slag pot 6 to ensure that the gaps between the used refractory bricks 4 are as small as possible.

In one embodiment, each bracket in the flat framework 7 is formed by welding a plurality of waste steel channels end to end. Drawing construction drawings of all the supports according to the size of the slag pot 6, wherein each support is formed by welding a plurality of waste channel steel end to end, and then all the supports are fixed through welding. This simple and easy grid subassembly can make at the simple and easy welding of steel mill and form, and not only the preparation is efficient, does not need long distance transportation and handling moreover, can fine avoid damaged.

In another embodiment, as shown in fig. 6, each bracket in the flat framework 7 is formed by welding a plurality of spliced angle steels, a single spliced angle steel is formed by welding a first waste angle steel 77a on the left and a second waste angle steel 77b on the right, a weld 77c is a butt weld, a single spliced angle steel is a channel steel, and the channel steels are welded end to form each bracket. In this embodiment, old and useless angle steel, old and useless channel-section steel, wire netting and old and useless resistant firebrick all adopt the material of steel mill's own, and not only intensity is high, is difficult to take place the damage at the handling in-process, and is with low costs moreover, helps steel mill environmental protection, accomplishes that solid waste does not leave the factory.

Preparation the concrete steps of simple and easy grid assembly as follows:

firstly, welding waste angle steel or waste channel steel into each bracket according to the design of a drawing;

secondly, welding and assembling all supports into flat frameworks 7 of the four grid plates, and welding lifting lugs 8 at the tops of the corresponding flat frameworks 7;

thirdly, welding wire nets 5 formed by welding waste wires on the flat frameworks 7 to ensure that the width between the wire nets 5 on the two sides of the flat frameworks 7 is 100-105 mm;

fourthly, filling waste refractory bricks 4 from the opening above the flat framework 7 in sequence;

fifthly, the manufactured simple grid assembly is hung into the slag tank 6 to be used online.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements and the like made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a simple and easy grid subassembly of steel-making slag ladle, includes that vertical installation is in slag ladle (6) and separates into polylith grid plate (1, 2, 3) of a plurality of intervals with it, and the outline size of each grid plate (1, 2, 3) matches with its slag ladle (6) inner wall size that corresponds the hookup location respectively, its characterized in that: each grid plate (1, 2, 3) is provided with a flat framework (7) formed by welding waste section steel, the periphery of the flat framework (7) is covered with a wire mesh (5) formed by welding waste wires, and waste refractory bricks (4) are filled in the wire mesh (5).

2. The steel-making slag pot simple grid assembly of claim 1, wherein: the multi-block grating plate comprises a first grating plate (1) coinciding with the axial lead of the slag pot (6), two second grating plates (2) located on one side of the first grating plate (1) and perpendicular to the first grating plate, and a third grating plate (3) located on the other side of the first grating plate (1) and perpendicular to the first grating plate, wherein the two second grating plates (2) and the third grating plate (3) are in a staggered arrangement structure.

3. The steel-making slag pot simple grid assembly of claim 2, wherein: first grid plate (1) is down trapezium structure on the whole, and its flat skeleton (7) are including two first outriggers (71) that link to each other with slag ladle (6) both sides inner wall respectively, still including setting up an inverted T shape support (74) between two first outriggers (71), the horizontal member both ends of the support of falling T shape (74) are connected with the bottom of two first outriggers (71) respectively, the perpendicular component top of the support of falling T shape (74) flushes with the top of two first outriggers (71).

4. The steel-making slag pot simple grid assembly of claim 2, wherein: second grid plate (2) are the structure of falling right trapezoid on the whole, and its flat skeleton (7) include one with slag ladle (6) one side inner wall continuous second down tube (72), still include one set up at the inboard anti-L shape support (75) of second down tube (72), the horizontal member tip of anti-L shape support (75) is connected with the bottom of second down tube (72), the perpendicular component top of anti-L shape support (75) flushes with the top of second down tube (72).

5. The steel-making slag pot simple grid assembly of claim 2, wherein: third grid plate (3) are the structure of falling right trapezoid on the whole, and its flat skeleton (7) include one with slag ladle (6) opposite side inner wall link to each other third down tube (73), still include one and set up L shape support (76) inboard in third down tube (73), the horizontal member tip of L shape support (76) is connected with the bottom of third down tube (73), the perpendicular component top of L shape support (76) flushes with the top of third down tube (73).

6. The steel-making slag pot simple grid assembly of any one of claims 1 to 5, wherein: the width between the wire meshes (5) on the two surfaces of the flat framework (7) is 100-105 mm, so that the waste refractory bricks (4) with conventional sizes can be accommodated; the top of the flat framework (7) is provided with an opening for placing the waste refractory bricks (4).

7. The steel-making slag pot simple grid assembly of any one of claims 1 to 5, wherein: and lifting lugs (8) for lifting the grid components are arranged at the tops of the flat frameworks (7).

8. The steel-making slag pot simple grid assembly of any one of claims 3 to 5, wherein: and each support of the flat framework (7) is formed by welding waste channel steel.

9. The steel-making slag pot simple grid assembly of any one of claims 3 to 5, wherein: and all the brackets of the flat framework (7) are formed by splicing waste angle steels into channel steels and then welding the channel steels.