CN212857735U

CN212857735U - Converter ladle lid convenient to hoist and mount

Info

Publication number: CN212857735U
Application number: CN202020786350.6U
Authority: CN
Inventors: 陈贝; 曾涛; 梁坤; 张小兵; 谭小华; 陈楚明; 朱勇发; 张文伟; 陈志贤; 黄纯旭
Original assignee: SGIS Songshan Co Ltd
Current assignee: SGIS Songshan Co Ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-04-02
Anticipated expiration: 2030-05-13

Abstract

The utility model relates to a converter ladle lid convenient to hoist and mount, including the ladle lid body to and weld two couples in ladle lid body rear end, three lug has been welded on the upper portion of ladle lid body, and every lug one side all is provided with two deflector that open 30, and ladle lid body front end is provided with the deslagging mouth, and ladle lid body has seted up the square hole in the middle part. The method can reduce the requirements on the placement position precision of the ladle cover and the positioning precision of the ladle car, has a certain fault-tolerant space, and can effectively reduce the probability of safety accidents.

Description

Converter ladle lid convenient to hoist and mount

Technical Field

The utility model relates to a metallurgical steelmaking continuous casting equipment field specifically is a converter ladle lid convenient to hoist and mount.

Background

In the field of steel-making production workshops in the ferrous metallurgy industry, in order to reduce the temperature drop of molten steel and steel ladles in the transfer of the workshops and reduce the operation cost, more and more steel enterprises select to implement steel ladle capping reconstruction. The use of the ladle cover not only enables the heat preservation effect of the ladle to become better, but also enables the fluctuation range of the temperature of molten steel in the continuous casting process to be smaller, and the casting blank pulling speed to be stable, so that the product quality is more stable. At present, common steel ladle covering and uncovering devices are in plug-in type, gourd type, cantilever type and other forms, the requirements of the several forms on the placement position precision of a steel ladle cover and the positioning precision of a steel ladle car are higher, if the placement position precision of the steel ladle car or the placement position of the steel ladle cover are slightly deviated left and right, the steel ladle covering and uncovering device cannot cover and uncover the steel ladle, the steel ladle covering and uncovering device is easy to drop in the transferring and steel ladle slag pouring process, refractory materials of the steel ladle cover are easy to drop, and the like, so that the covering rate of the steel ladle in the actual operation is not high, and even the safety accident that the steel ladle cover falls to.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a converter ladle cover convenient to hoist and mount can realize reducing the laying position precision of ladle cover and the positioning accuracy requirement of buggy ladle, have certain fault-tolerant space, can effectively reduce incident probability.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a converter ladle lid convenient to hoist and mount, includes the ladle lid body to and weld two couples in ladle lid body rear end, three lug has been welded on the upper portion of ladle lid body, every lug one side all is provided with two deflector that open 30, ladle lid body front end is provided with the deslagging mouth, the square hole has been seted up at ladle lid body middle part.

Furthermore, the two hooks at the rear end of the steel ladle cover body are arranged in parallel.

Furthermore, the three lifting lugs are arranged on the upper part of the ladle cover body in an equilateral triangle manner, and the geometric center of the equilateral triangle coincides with the geometric center of the ladle cover body.

Further, the tops of the three lifting lugs are aligned with the top of the guide plate.

Furthermore, the two guide plates on one side of the lifting lug are tapered from front to back into an outer eight shape.

Furthermore, the front end of the slag pouring hole is tilted upwards by 18 degrees.

Furthermore, the geometric center of the square hole is coincident with the geometric center of the steel ladle cover body.

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

1. the utility model discloses can realize reducing the positioning accuracy requirement to the laying position precision of ladle cover and buggy ladle, have certain fault-tolerant space, can effectively reduce incident emergence probability.

2. The utility model discloses an optimal design couple shape and size use the calabash to hang when lifting by crane, need not accurate counterpoint also can easily catch on the lug with the lifting hook, can realize conveniently hanging when on the ladle, is difficult for dropping and opens along with the action of gravity easily when the ladle is tumbled and is fallen the sediment.

3. The utility model discloses a set up the slag pouring hole that upwarps, realize at the in-process of slag pouring, reduce the contact to the slag, the slag that glues of slag pouring hole has been avoided, thereby make refractory material be difficult for droing, the protection ladle cover is not burnt and is decreased, the life of extension ladle cover, simultaneously through setting up upwarped slag pouring hole and middle part trompil, can realize the molten steel temperature measurement under adding the lid state, irritate husky drainage, blow the mouth of a river operation, the ladle has been improved and has been covered the rate, really realize the whole lid that adds of ladle, steel ladle and molten steel temperature drop have effectively been reduced, make the casting blank quality more stable.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of the present invention.

In the figure: 1-hook, 2-ladle cover body, 3-guide plate, 4-lifting lug, 5-deslagging port and 6-square hole.

Detailed Description

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

It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.

Referring to fig. 1, a converter ladle cover convenient for hoisting comprises a ladle cover body 2 and two hooks 1 welded at the rear end of the ladle cover body 2, wherein three lifting lugs 4 are welded at the upper part of the ladle cover body 2, two guide plates 3 are arranged on one side of each lifting lug 4, so that the lifting hooks can be guided by the guide plates 3 to hook the lifting lugs 4, a slag pouring port 5 is arranged at the front end of the ladle cover body 2, thus the contact to steel slag can be reduced in the slag pouring process, the slag sticking of the slag pouring port is avoided, refractory materials are not easy to fall off, the ladle cover is protected from burning loss, the service life of the ladle cover is prolonged, a square hole 6 is arranged at the middle part of the ladle cover body 2, the height from the hook head at the bottom to the upper part of the hook 1 is 620mm, the width at the outer side of the hook head is 250mm, the width of the longitudinal straight section of the hook is 150mm, and the width for hooking at the inner side of the hook, the inside circular arc radius of gib head is R30mm, and the outside circular arc radius of gib head is R100mm, and the height of gib head bottom to gib head anterior segment is 150mm, and the inside circular arc tangent line of gib head is 22 with the horizontal direction, and the outside circular arc tangent line of gib head is 12 with the horizontal direction, through setting up this couple 1, can realize conveniently hanging on the ladle, be difficult for dropping and open along with the action of gravity easily when the ladle is tumbled the sediment.

In one embodiment, as shown in fig. 1, two hooks 1 at the rear end of a ladle cover body 2 are arranged in parallel; the three lifting lugs 4 are arranged on the upper part of the ladle cover body 2 in an equilateral triangle manner, and the geometric centers of the equilateral triangles are superposed with the geometric center of the ladle cover body 2, so that the weight born by the three lifting lugs is ensured to be consistent; the tops of the three lifting lugs 4 are aligned with the top of the guide plate 3; two deflector 3 of 4 one sides of lug are outer eight forms by preceding convergent back for when using the calabash to hang and lift by crane, also can easily catch on the lug with the lifting hook with accurate counterpoint, realize reducing the purpose of the operation degree of difficulty.

In one embodiment, see fig. 2, the front end of the slag pouring hole 5 is tilted upwards by 18 degrees; the geometric center of the square hole 6 coincides with the geometric center of the ladle cover body 2, the middle part of the ladle cover body 2 is provided with the square hole 6 with the side length of 500mm, the sand filling and drainage can be realized in an argon station under the covering state, the hot repair water blowing port of the ladle under the covering state can also be realized, the steel ladle covering rate is effectively improved, the whole process of covering the ladle is realized, the front end of the ladle cover body 2 is provided with a deslagging port 5, the shape of the outer edge of the deslagging port is that a straight line with the width of 1200mm is cut on the whole circle of the front end of the ladle cover body 2, the whole shape is a rectangle with the width of 1200mm and the depth of 640mm, and the front end is upwards tilted by 18 degrees, so that the contact to the steel slag is reduced in the deslagging process, the deslagging port is avoided, the refractory material is not easy to fall off, the ladle cover is protected from being burnt, the service life of the ladle cover is prolonged, and the deslagging port 5 leaves a clearance of about 300mm with the upper, can be used as an insertion opening of a temperature measuring gun and can realize the temperature measurement of molten steel in a capping state.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a converter ladle lid convenient to hoist and mount which characterized in that: the steel ladle cover comprises a steel ladle cover body (2) and two hooks (1) welded at the rear end of the steel ladle cover body (2), three lifting lugs (4) are welded on the upper portion of the steel ladle cover body (2), two guide plates (3) are arranged on one side of each lifting lug (4), a deslagging opening (5) is formed in the front end of the steel ladle cover body (2), and a square hole (6) is formed in the middle of the steel ladle cover body (2).

2. The converter ladle cover convenient to hoist as claimed in claim 1, wherein: two hooks (1) at the rear end of the steel ladle cover body (2) are arranged in parallel.

3. The converter ladle cover convenient to hoist as claimed in claim 1, wherein: the three lifting lugs (4) are arranged on the upper part of the ladle cover body (2) in an equilateral triangle manner, and the geometric center of the equilateral triangle coincides with the geometric center of the ladle cover body (2).

4. The converter ladle cover convenient to hoist as claimed in claim 1, wherein: the tops of the three lifting lugs (4) are aligned with the top of the guide plate (3).

5. The converter ladle cover convenient to hoist as claimed in claim 1, wherein: the two guide plates (3) on one side of the lifting lug (4) are gradually contracted from front to back into an outer eight shape.

6. The converter ladle cover convenient to hoist as claimed in claim 1, wherein: the front end of the slag pouring port (5) is tilted upwards by 18 degrees.

7. The converter ladle cover convenient to hoist as claimed in claim 1, wherein: the geometric center of the square hole (6) is coincided with the geometric center of the steel ladle cover body (2).