Structure for improving cooling effect of blast furnace cooling wall

Abstract

The utility model relates to the technical field of blast furnace cooling staves, and discloses a structure for improving the cooling effect of a blast furnace cooling stave, which comprises a cooling stave body, a hanging ring is connected onto the cooling stave body, a mounting hole and a temperature measuring hole are arranged on the cold surface of the cooling stave body, and four cooling main pipes are arranged in the cooling stave body in parallel. The lower end of each cooling main pipe is connected with a first water inlet, the upper end of each cooling main pipe is connected with a first water outlet, an auxiliary cooling pipe is further arranged in the cooling wall body, the cooling wall body is provided with a second water inlet and a second water outlet which are communicated with the auxiliary cooling pipe, and the auxiliary cooling pipe is of a concentric-square-shaped structure. The cooling area is increased, the cooling performance is improved, the service life of the cooling wall is prolonged, stable operation of the blast furnace is facilitated, the potential safety hazard of local temperature rise of the cooling wall in the smelting process is reduced, and precautions are taken in the bud.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace cooling walls, in particular to a structure for improving the cooling effect of blast furnace cooling walls. Background Art

[0002] The cooling stave structure of a blast furnace is an important water-cooled part of the lining of a blast furnace. It is installed in the furnace body, furnace waist, furnace belly, furnace hearth and other parts of the blast furnace. It not only withstands high temperatures, but also withstands the wear of furnace materials, erosion of slag and scouring of gas flow. Therefore, the cooling stave structure of a blast furnace must have good comprehensive properties such as thermal strength, thermal shock resistance, and resistance to rapid cooling and heating.

[0003] In the prior art blast furnace cooling wall structure, the internal cooling water pipes mainly enter four places and four places, resulting in the connection part of the two cooling walls becoming a non-cooling area, the local temperature is high, and the service life of the equipment is greatly reduced. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a structure for improving the cooling effect of the blast furnace cooling wall, so as to solve the technical problems pointed out in the above background technology.

[0005] In order to achieve the above utility model purpose, the technical solution adopted is as follows:

[0006] A structure for improving the cooling effect of a blast furnace cooling wall, comprising a cooling wall body, a hanging ring connected to the cooling wall body, a mounting hole and a temperature measuring hole arranged on the cold surface of the cooling wall body, four cooling main pipes arranged in parallel in the cooling wall body, a first water inlet connected to the lower end of each cooling main pipe, and a first water outlet connected to the upper end, an auxiliary cooling pipe is also arranged in the cooling wall body, a second water inlet and a second water outlet connected to the auxiliary cooling pipe are arranged on the cooling wall body, and the auxiliary cooling pipe is a U-shaped structure.

[0007] As a further improvement of the utility model, the auxiliary cooling pipe is not connected to the main cooling pipe, and the auxiliary cooling pipe is arranged close to the hot surface of the cooling wall body.

[0008] As a further improvement of the utility model, the auxiliary cooling tube is a cooling copper tube.

[0009] As a further improvement of the present utility model, a first protective sleeve is installed at the first water inlet and the first water outlet, and a second protective sleeve is installed at the second water inlet and the second water outlet.

[0010] As a further improvement of the utility model, the auxiliary cooling pipe includes a first pipe segment and a second pipe segment arranged along the height direction of the cooling wall body, and a third pipe segment and a fourth pipe segment arranged along the length direction of the cooling wall body, one end of the first pipe segment is connected to the second water inlet, and the other end is connected to one end of the third pipe segment through a first connecting pipe, one end of the second pipe segment is connected to the other end of the third pipe segment through the first connecting pipe, and the other end is connected to one end of the fourth pipe segment through the second connecting pipe, and the other end of the fourth pipe segment is connected to the second water outlet through the second connecting pipe.

[0011] As a further improvement of the present invention, the first pipe section and the second pipe section are respectively arranged between two adjacent cooling main pipes.

[0012] As a further improvement of the present utility model, the third pipe section and the fourth pipe section are located close to the first water inlet.

[0013] The beneficial effects of the utility model are as follows: the utility model increases the cooling area, improves the cooling performance, prolongs the service life of the cooling wall, is conducive to promoting the stable operation of the blast furnace, reduces the safety hazard of the local temperature increase of the cooling wall during the smelting process, and prevents accidents before they occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 The utility model is a schematic diagram of the structure of the auxiliary cooling pipe.

[0017] In the figure: 1. cooling wall body, 2. lifting ring, 3. mounting hole, 4. temperature measuring hole, 5. cooling main pipe, 6. first water inlet, 7. first water outlet, 8. auxiliary cooling pipe, 9. second water inlet, 10. second water outlet, 11. first protective sleeve, 12. second protective sleeve, 13. first pipe section, 14. second pipe section, 15. third pipe section, 16. fourth pipe section, 17. first connecting pipe, 18. second connecting pipe. DETAILED DESCRIPTION

[0018] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0019] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0020] like Figure 1-2 As shown, a structure for improving the cooling effect of a blast furnace cooling stave comprises a cooling stave body 1, a hanging ring 2 is connected to the cooling stave body 1, a mounting hole 3 and a temperature measuring hole 4 are arranged on the cold surface of the cooling stave body 1, four cooling main pipes 5 are arranged in parallel in the cooling stave body 1, a first water inlet 6 is connected to the lower end of each cooling main pipe 5, and a first water outlet 7 is connected to the upper end, an auxiliary cooling pipe 8 is also arranged in the cooling stave body 1, a second water inlet 9 and a second water outlet 10 connected to the auxiliary cooling pipe 8 are arranged on the cooling stave body 1, and the auxiliary cooling pipe 8 is a U-shaped structure.

[0021] The auxiliary cooling pipe 8 is not connected to the main cooling pipe 5 , and the auxiliary cooling pipe 8 is arranged close to the hot surface of the cooling wall body 1 .

[0022] The auxiliary cooling tube 8 is a cooling copper tube.

[0023] A first protective sleeve 11 is installed at the first water inlet 6 and the first water outlet 7 , and a second protective sleeve 12 is installed at the second water inlet 9 and the second water outlet 10 .

[0024] The auxiliary cooling pipe 8 includes a first pipe segment 13 and a second pipe segment 14 arranged along the height direction of the cooling wall body 1, and a third pipe segment 15 and a fourth pipe segment 16 arranged along the length direction of the cooling wall body 1, one end of the first pipe segment 13 is connected to the second water inlet 9, and the other end is connected to one end of the third pipe segment 15 through a first connecting pipe 17, one end of the second pipe segment 14 is connected to the other end of the third pipe segment 15 through the first connecting pipe 17, and the other end is connected to one end of the fourth pipe segment 16 through a second connecting pipe 18, and the other end of the fourth pipe segment 16 is connected to the second water outlet 10 through the second connecting pipe 18.

[0025] The first pipe section 13 and the second pipe section 14 are respectively arranged between two adjacent cooling main pipes 5 and are arranged at positions close to the edge of the cooling wall body 1 .

[0026] The third pipe section 15 and the fourth pipe section 16 are located close to the first water inlet 6 .

[0027] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and variations. Any modification, equivalent replacement, improvement, component splitting or combination, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A structure for improving the cooling effect of a blast furnace cooling wall, characterized in that: It includes a cooling wall body, which is connected to a hanging ring, and a mounting hole and a temperature measuring hole are arranged on the cold surface of the cooling wall body. Four cooling main pipes are arranged in parallel in the cooling wall body, and the lower end of each cooling main pipe is connected to a first water inlet, and the upper end is connected to a first water outlet. An auxiliary cooling pipe is also arranged in the cooling wall body, and a second water inlet and a second water outlet connected to the auxiliary cooling pipe are arranged on the cooling wall body, and the auxiliary cooling pipe is a U-shaped structure.

2. A structure for improving the cooling effect of a blast furnace cooling wall according to claim 1, characterized in that: The auxiliary cooling pipe is not connected to the main cooling pipe, and the auxiliary cooling pipe is arranged close to the hot surface of the cooling wall body.

3. The structure for improving the cooling effect of a blast furnace cooling wall according to claim 1, characterized in that: The auxiliary cooling tube is a cooling copper tube.

4. The structure for improving the cooling effect of a blast furnace cooling wall according to claim 1, characterized in that: A first protective sleeve is installed at the first water inlet and the first water outlet, and a second protective sleeve is installed at the second water inlet and the second water outlet.

5. The structure for improving the cooling effect of a blast furnace cooling wall according to claim 1, characterized in that: The auxiliary cooling pipe includes a first pipe segment and a second pipe segment arranged along the height direction of the cooling wall body, and a third pipe segment and a fourth pipe segment arranged along the length direction of the cooling wall body, one end of the first pipe segment is connected to the second water inlet, and the other end is connected to one end of the third pipe segment through a first connecting pipe, one end of the second pipe segment is connected to the other end of the third pipe segment through the first connecting pipe, and the other end is connected to one end of the fourth pipe segment through the second connecting pipe, and the other end of the fourth pipe segment is connected to the second water outlet through the second connecting pipe.

6. The structure for improving the cooling effect of a blast furnace cooling wall according to claim 5, characterized in that: The first pipe section and the second pipe section are respectively arranged between two adjacent cooling main pipes.

7. The structure for improving the cooling effect of a blast furnace cooling wall according to claim 5, characterized in that: The third pipe section and the fourth pipe section are located near the first water inlet.

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