CN219385194U

CN219385194U - Blast furnace water cooling iron runner cover

Info

Publication number: CN219385194U
Application number: CN202320551812.XU
Authority: CN
Inventors: 杨泽; 潘禹竹; 贺鑫杰; 郑军; 熊拾根
Original assignee: CISDI Engineering Co Ltd
Current assignee: CISDI Engineering Co Ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-07-21
Anticipated expiration: 2033-03-20

Abstract

The utility model relates to a blast furnace water-cooled iron runner cover, and belongs to the technical field of blast furnace iron making. The trench cover consists of a plurality of trench cover units, wherein each trench cover unit comprises a trench cover body and a pouring layer arranged on the inner side surface of the trench cover body; a water cooling coil pipe is arranged in the pouring layer, the water inlet/outlet of the water cooling coil pipe penetrates through the ditch cover body and is connected with a ball valve, and a quick connector is arranged on the ball valve. According to the scheme, the heat of the molten iron trench cover due to the heat radiation of the molten iron is taken away through the cooling water circulation, the phenomenon that the temperature of the molten iron trench cover is too high is avoided, and the heat taken away by the cooling water can be effectively utilized.

Description

Blast furnace water cooling iron runner cover

Technical Field

The utility model belongs to the technical field of blast furnace ironmaking, and particularly relates to a water-cooled molten iron trench cover of a blast furnace.

Background

When the blast furnace ironmaking production is carried out, the molten iron trench cover is covered above the molten iron trench, and the working environment of the molten iron trench cover is bad. Since the molten iron has high temperature and a large amount of radiant heat, the temperature of the molten iron trench cover can be increased; the molten iron trench cover steel shell is deformed at high temperature to possibly cause the falling of casting materials, at the moment, the heat insulation effect of the molten iron trench cover is poor, the phenomenon that the trench cover is burnt out is possibly caused, and the excessively high trench cover temperature also can bring potential safety hazards to the production operation of workers in front of iron.

Disclosure of Invention

Therefore, the utility model aims to provide the water-cooled molten iron trench cover of the blast furnace, so as to solve the safety problem caused by the overhigh temperature of the molten iron trench cover and realize recycling of the radiant heat energy of the molten iron.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a blast furnace water-cooled molten iron trench cover is composed of a plurality of trench cover units, wherein each trench cover unit comprises a trench cover body 1 and a pouring layer 2 arranged on the inner side surface of the trench cover body 1; the pouring layer 2 is internally provided with a water-cooling coil pipe 3, the water inlet/outlet of the water-cooling coil pipe 3 penetrates through the ditch cover body 1 and is connected with a ball valve 4, and the ball valve 4 is provided with a quick connector 5.

Further, between two adjacent cover units, the water outlet end quick connector 5 of the water-cooling coil 3 in the former cover unit is connected with the water inlet end quick connector 5 of the water-cooling coil 3 in the latter cover unit through a metal hose 6.

Further, lifting lugs 7 are correspondingly arranged at four corners of the outer side face of the ditch cover body 1.

The utility model has the beneficial effects that:

1) The water-cooling coil is arranged in the molten iron trench cover pouring layer, so that the radiation heat of molten iron can be effectively taken away, the temperature of the trench cover is reduced, the service life of the trench cover is prolonged, and meanwhile, the working environment of workers is safer and more friendly;

2) The requirement of rapidly cutting off cold water when the ditch cover needs to be lifted can be met through the ball valve, the rapid joint and the metal hose, and the communication of the cold water can be rapidly recovered after the ditch cover is in place again;

3) The cooling water can be recycled, and the heat taken away by the cooling water can be used for heating and other purposes, so that the recycling of energy sources is realized.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.

Drawings

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the installation of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a top view of the present utility model;

fig. 4 is a sectional view of B-B of fig. 3.

Reference numerals:

the ditch cover comprises a ditch cover body 1, a pouring layer 2, a water-cooling coil pipe 3, a ball valve 4, a quick connector 5, a metal hose 6 and a lifting lug 7.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the utility model; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present utility model, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 to 4, a water-cooled molten iron trench cover for a blast furnace is provided, which is composed of a plurality of trench cover units, wherein each trench cover unit comprises a trench cover body 1 and a pouring layer 2 arranged on the inner side surface of the trench cover body 1; the pouring layer 2 is internally provided with a water-cooling coil pipe 3, the water inlet/outlet of the water-cooling coil pipe 3 penetrates through the ditch cover body 1 and is connected with a ball valve 4, and the ball valve 4 is provided with a quick connector 5. In this embodiment, the cover body 1 is made of steel plate and section steel, the water-cooling coil 3 is fixed on the cover body 1 by an anchor welded on the cover body 1, and then a heat-resistant casting material is cast on the cover body 1, so that the water-cooling coil 3 is covered by the casting layer 2. Ball valves 4 are arranged at the water inlet and water outlet of the water-cooling coil pipe 3 and are used for cutting off circulating water when the ditch cover is disassembled and assembled.

In the scheme, the ditch cover units are sequentially connected, specifically, two adjacent ditch cover units are connected, the water outlet end quick connector 5 of the water cooling coil pipe 3 in the former ditch cover unit is connected with the water inlet end quick connector 5 of the water cooling coil pipe 3 in the latter ditch cover unit through the metal hose 6, namely, the water cooling coil pipes 3 of the adjacent ditch cover units are connected through the metal hose 6 with the quick connector 5, so that the disassembly and the assembly are convenient.

As a further improvement of the scheme, lifting lugs 7 are correspondingly arranged at four corners of the outer side surface of the ditch cover body 1, so that the molten iron ditch cover can be conveniently disassembled and assembled.

According to the scheme, the heat of the molten iron trench cover due to the heat radiation of the molten iron is taken away through the cooling water circulation, the phenomenon that the temperature of the molten iron trench cover is too high is avoided, and the heat taken away by the cooling water can be effectively utilized. When the iron runner is overhauled or the runner cover needs to be replaced, the ball valve 4 is only required to be closed, and the quick connector 5 is only required to be cut; when the molten iron trench cover is restored, the water cooling effect of the molten iron trench cover can be realized only by connecting the quick connector 5 and opening the ball valve 4 after the trench cover is lifted in place.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.

Claims

1. A blast furnace water-cooling molten iron trench cover is composed of a plurality of trench cover units, wherein each trench cover unit comprises a trench cover body (1) and a pouring layer (2) arranged on the inner side surface of the trench cover body (1); the method is characterized in that: a water cooling coil pipe (3) is arranged in the pouring layer (2), the water inlet/outlet of the water cooling coil pipe (3) penetrates out of the ditch cover body (1) and is connected with a ball valve (4), and a quick connector (5) is arranged on the ball valve (4).

2. The blast furnace water-cooled molten iron trench cover according to claim 1, wherein: and a water outlet end quick connector (5) of the water-cooling coil pipe (3) in the former ditch cover unit is connected with a water inlet end quick connector (5) of the water-cooling coil pipe (3) in the latter ditch cover unit through a metal hose (6) between two adjacent ditch cover units.

3. The blast furnace water-cooled molten iron trench cover according to claim 1, wherein: lifting lugs (7) are correspondingly arranged at four corners of the outer side surface of the ditch cover body (1).