CN218951424U

CN218951424U - Novel cooling wall equipment

Info

Publication number: CN218951424U
Application number: CN202223005077.7U
Authority: CN
Inventors: 高成云; 郑权; 陈涛; 赵国磊
Original assignee: Huatian Engineering and Technology Corp MCC
Current assignee: Huatian Engineering and Technology Corp MCC
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-05-02
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses novel cooling wall equipment. Comprises a cast iron or cast steel cooling wall body; a straight-through water pipe is integrally cast in the wall body; a groove is integrally cast on one side of the wall body, a serpentine water-cooling copper pipe is arranged in the groove, and a wall body heat surface protection layer is arranged on the heating surface of the wall body; the wall body heat surface protection layer is connected with the serpentine water-cooling copper pipe in a heat conduction way. The utility model adopts a mode of placing copper pipes in the grooves of the cooling wall inlaid bricks on the basis of cast iron or cast steel cooling walls, thereby realizing the reinforced cooling of the blast furnace and remarkably reducing the construction cost.

Description

Novel cooling wall equipment

Technical Field

The utility model relates to blast furnace body cooling wall equipment for iron and steel enterprises.

Background

The cooling of the blast furnace body is a necessary means for maintaining the blast furnace production, and the adopted cooling equipment is usually a cooling wall, and the materials of the cooling wall are cast iron, cast steel, cast copper, rolled copper and the like.

Cast iron, cast steel and cast copper cooling walls are all cast into water pipes in corresponding materials, the hot surfaces of the cooling walls are usually provided with grooves for embedding bricks or pouring refractory materials so as to protect the cooling walls from direct flushing of slag iron (shown in figures 1 and 2), and water channels are drilled in copper plates (shown in figure 3) by rolling the copper cooling walls.

In recent years, with the progress of equipment level and operation level, the production efficiency of the blast furnace is greatly improved, the smelting strength is remarkably improved, the cooling capacity of the furnace body is more improved, and particularly, the requirement of long service life of the blast furnace is difficult to meet by adopting cast iron or cast steel cooling walls at the middle lower part of the furnace belly, the furnace waist and the furnace body. At present, it is common practice to use copper cooling walls in the furnace belly, waist and lower middle portion of the shaft to enhance blast furnace cooling. However, copper is far more expensive than cast iron and cast steel, and the use of copper cooling walls greatly increases the construction cost of the blast furnace.

Disclosure of Invention

To overcome the above-mentioned drawbacks, an object of the present utility model is to provide a new stave cooling apparatus.

In order to achieve the above object, the novel stave equipment of the present utility model comprises a cast iron or cast steel stave; a straight-through water pipe is integrally cast in the wall body; a groove is integrally cast on one side of the wall body, a serpentine water-cooling copper pipe is arranged in the groove, and a wall body heat surface protection layer is arranged on the heating surface of the wall body; the wall body heat surface protection layer is connected with the serpentine water-cooling copper pipe in a heat conduction way.

Furthermore, the serpentine water-cooling copper pipe is fixed in the groove by adopting casting materials, and the casting materials protrude out of the groove to form a cast iron/cast steel cooling wall body hot surface protection layer.

Furthermore, the serpentine water-cooling copper pipe is fixed in the groove by adopting casting materials, the heating surface of the cooling wall is provided with a brick, and the inner side of the brick is positioned in the groove and is abutted with the casting materials.

The utility model adopts a mode of placing copper pipes in the grooves of the cooling wall inlaid bricks on the basis of cast iron or cast steel cooling walls, thereby realizing the reinforced cooling of the blast furnace and remarkably reducing the construction cost.

Drawings

FIG. 1 is a schematic view of a prior art 1, wherein 1a is a cast copper stave; 2 is a straight-through water pipe copper pipe.

FIG. 2 is a schematic diagram of a prior art 2 wherein 1b is a cast iron/cast steel stave; 2 is a straight-through water pipe steel pipe; and 3 is a serpentine water pipe steel pipe.

FIG. 3 is a schematic diagram of a prior art 3 wherein 1c is a rolled copper stave; and 4 is a drilling water channel.

FIG. 4 is a schematic diagram of a novel stave equipment construction of the present utility model, 1b being a cast iron/cast steel stave; 2 is a straight-through water pipe steel pipe; 5 is a serpentine water-cooling copper pipe

FIG. 5 is a schematic illustration of a method of protecting the hot face and grooves of the novel stave equipment of the present utility model; wherein 1b is cast iron/cast steel cooling wall body; 2 is a straight-through water pipe steel pipe; 5 is a serpentine water-cooling copper pipe; and 6 is a casting material.

FIG. 6 is a further method of protecting the hot face and grooves of the novel stave cooler of the present utility model; wherein 1b is cast iron/cast steel cooling wall body; 2 is a straight-through water pipe steel pipe; 5 is a serpentine water-cooling copper pipe; 6 is casting material; and 7 is a mosaic brick.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

An embodiment of the utility model, as shown in FIG. 4, comprises a cast iron or cast steel stave 1b; a straight-through water pipe 2 is integrally cast in the wall body; a groove is integrally cast on one side of the wall body, and a serpentine water-cooling copper pipe 5 is arranged in the groove.

The novel stave equipment in the above embodiment is prepared as follows:

the preparation stage: selecting a proper diameter of the serpentine water-cooling copper pipe (5) according to the cooling strength requirement; arranging a serpentine water-cooling copper pipe (5) trend and inlet and outlet positions according to the hot surface area of the cast iron/cast steel cooling wall body (1 b); and then determining the size and arrangement of the grooves on the hot surface of the cast iron/cast steel cooling wall body (1 b) according to the diameter and trend of the serpentine water-cooling copper pipe (5), wherein the depth and width of the grooves are larger than the diameter of the serpentine water-cooling copper pipe (5), and the size and the position of the opening of the inlet and the outlet of the serpentine water-cooling copper pipe (5) on the cast iron/cast steel cooling wall body (1 b).

The implementation stage comprises the following steps: firstly, casting cast iron/cast steel cooling wall body (1 b) and straight-through water-cooling steel pipe (2) to manufacture serpentine water-cooling copper pipe (5); then the manufactured serpentine water-cooling copper pipe (5) is placed into a groove (as shown in figure 4) of the cast iron/cast steel cooling wall body (1 b) and is close to the bottom; finally, casting materials with excellent heat conduction performance are selected to fix the serpentine water-cooling copper pipe (5) in the groove.

As a further improvement of the above embodiment, the method for protecting the hot surface and the groove of the cast iron/cast steel cooling wall body (1 b) is also included, and the method is a full casting method: casting a casting material (such as RSIFC metal ceramic pre-slag crust casting material produced by Beijing joint Rong Dacron engineering materials Co., ltd.) with excellent heat conduction performance, wear resistance and corrosion resistance on the hot surface of the cast iron/cast steel cooling wall body (1 b) together with the groove to form a hot surface protection layer of the cast iron/cast steel cooling wall body (1 b);

as an improvement of the method, the method also comprises a method for casting and embedding bricks: firstly casting a groove on a cast iron/cast steel cooling wall body (1 b) by adopting a casting material with excellent heat conduction performance, wherein the serpentine water-cooling copper pipe (5) is required to be embedded, and a certain free depth of the groove is ensured for embedding a fixed end of a brick; and then the hot surface of the cast iron/cast steel cooling wall body (1 b) is fully covered with the inlaid bricks.

In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A novel stave installation comprising a cast iron or cast steel stave; a straight-through water pipe is integrally cast in the wall body; a groove is integrally cast on one side of the wall body, a serpentine water-cooling copper pipe is arranged in the groove, and a wall body heat surface protection layer is arranged on the heating surface of the wall body; the wall body heat surface protection layer is connected with the serpentine water-cooling copper pipe in a heat conduction way.

2. The novel stave cooling apparatus of claim 1 wherein the serpentine water cooled copper tube is secured within the recess using a casting material, the casting material protruding from the recess to form a cast iron/cast steel stave hot face protection layer.

3. The novel cooling wall equipment as claimed in claim 1, wherein the serpentine water-cooled copper pipe is fixed in the groove by adopting casting materials, the cooling wall heating surface is provided with a brick, and the inner side of the brick is positioned in the groove and is abutted with the casting materials.