Blast furnace tapping channel iron falling point current stabilizer structure

Abstract

The utility model relates to the technical field of iron falling point current stabilizers, in particular to a blast furnace tapping channel iron falling point current stabilizer structure which comprises a current stabilizing block arranged in an iron falling channel, and a groove is formed between one side of the current stabilizing block and the iron falling channel. A flow channel is formed in the flow stabilizing block; the utility model has the beneficial effects that: during actual use, molten iron is poured into the groove, so that the molten iron is accumulated in the groove to form a buffer part, and the molten iron is buffered by the molten iron in the groove when subsequently falling, thereby reducing the scouring of the molten iron to an iron falling point and prolonging the service life of the iron falling point; when the iron falling point needs to be overhauled, molten iron in the groove can be normally discharged through the arrangement of the runner, and the iron falling point can be overhauled conveniently; due to the fact that the size of the runner is small and the flow of the molten iron is large, after the molten iron flows into the groove, the molten iron discharged out of the runner does not affect normal accumulation of the molten iron in the groove.

Description

Technical Field

[0001] The utility model relates to the technical field of flow stabilizers for iron drop points, in particular to a flow stabilizer structure for an iron drop point of an iron tapping ditch in a blast furnace. Background Art

[0002] The blast furnace taphole is the channel through which high-temperature molten iron and slag flow after the blast furnace ironmaking is completed. With the development of large-scale blast furnaces and the effects of high temperature and high pressure, the requirements for the blast furnace taphole are becoming more and more stringent. In order to increase the service life of the blast furnace taphole, the existing technology is constantly innovating and improving the material and design of the taphole. At present, the material of the taphole is relatively transparent, and the material development tends to be balanced. At present, it is difficult to significantly increase the service life of the taphole;

[0003] The iron-dropping point of the blast furnace's iron-tapping ditch is subject to a greater scouring force from the molten iron and slag flowing out of the blast furnace, and is the first to suffer wear and erosion. The wear and erosion are significantly more serious than that of the rear section of the main ditch, resulting in frequent replacement of the iron-dropping point, increased maintenance times, and affecting the normal iron-tapping of the blast furnace.

[0004] Therefore, a flow stabilizer structure for the iron-falling point of the blast furnace tapping ditch is needed to overcome the occurrence of the above-mentioned problems. Utility Model Content

[0005] In order to solve the above problems, an embodiment of the utility model provides a flow stabilizer structure for a blast furnace iron-outlet ditch and an iron-falling point, which achieves the purpose of solving the problems raised in the background technology.

[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model specifically adopts the following technical scheme: a flow stabilizer structure for the iron-dropping point of a blast furnace iron-dropping ditch, comprising a flow stabilizer block arranged inside the iron-dropping ditch, a groove being formed between one side of the flow stabilizer block and the iron-dropping ditch; a flow channel is arranged on the flow stabilizer block.

[0007] As a further improvement of the above technical solution:

[0008] Both sides of the groove are arc-shaped.

[0009] A filter residue block is fixedly connected to the inside of the iron drop ditch, a gap is arranged between the bottom of the filter residue block and the iron drop ditch, and a slag discharge port is opened on the iron drop ditch.

[0010] The horizontal height of the groove is greater than the lowest horizontal height inside the iron drop ditch.

[0011] The flow stabilizing block comprises a base block fixedly connected to the inside of the iron drop ditch and a wear-resistant block fixedly connected to the top of the base block.

[0012] The base block is provided with a clamping groove, and the wear-resistant block is fixedly connected with a clamping block used in conjunction with the clamping groove.

[0013] The beneficial effects of the embodiments of the utility model are:

[0014] In actual use, molten iron is poured into the groove, so that the molten iron accumulates in the groove to form a buffer part. When the molten iron falls subsequently, it is buffered by the molten iron inside the groove, thereby reducing the erosion of the molten iron on the iron dropping point and extending the service life of the iron dropping point. When the iron dropping point needs to be inspected and repaired, the molten iron inside the groove can be drained normally by setting the flow channel, which is convenient for inspecting and repairing the iron dropping point. Since the size of the flow channel is small and the flow rate of molten iron is large, after the molten iron flows into the groove, the molten iron discharged by the flow channel will not affect the normal accumulation of molten iron inside the groove. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0017] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at point A in the middle.

[0018] In the figure: 1, iron drop groove; 2, flow stabilizing block; 21, base block; 22, wear-resistant block; 23, slot; 24, block; 3, groove; 4, flow channel; 5, filter residue block; 6, gap; 7, slag discharge port. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0020] See also Figures 1 to 3 The utility model embodiment discloses a flow stabilizer structure of a blast furnace iron-dropping groove, comprising a flow stabilizer block 2 arranged inside the iron-dropping groove 1, and a groove 3 is formed between one side of the flow stabilizer block 2 and the iron-dropping groove 1;

[0021] A flow channel 4 is provided on the flow stabilizing block 2;

[0022] In actual use, molten iron is poured into the groove 3, so that the molten iron accumulates in the groove 3 to form a buffer portion. When the molten iron falls subsequently, it is buffered by the molten iron inside the groove 3, thereby reducing the erosion of the molten iron on the iron drop point and extending the service life of the iron drop point; when the iron drop point needs to be inspected and repaired, the molten iron inside the groove 3 can be drained normally by setting the flow channel 4, which is convenient for inspecting and repairing the iron drop point; since the size of the flow channel 4 is small and the flow rate of the molten iron is large, after the molten iron flows into the groove 3, the molten iron discharged by the flow channel 4 will not affect the normal accumulation of the molten iron inside the groove 3.

[0023] As a further illustration of this application:

[0024] Both sides of the groove 3 are arc-shaped. When molten iron falls into the groove 3, the molten iron will impact both sides of the groove 3. The arc shape can reduce the impact of the impact, thereby extending the service life of the iron drop point.

[0025] As a further illustration of this application:

[0026] A filter residue block 5 is fixedly connected to the inside of the iron drop ditch 1, a gap 6 is arranged between the bottom of the filter residue block 5 and the iron drop ditch 1, and a slag discharge port 7 is opened on the iron drop ditch 1; when molten iron flows, iron slag will float on the surface of the molten iron, and the filter residue block 5 will be used to block the iron slag, so that the iron slag is discharged from the slag discharge port 7, and the molten iron passes through the gap 6.

[0027] As a further illustration of this application:

[0028] The horizontal height of the groove 3 is greater than the lowest horizontal height inside the iron drop ditch 1; when the molten iron is poured, after the groove 3 is filled, the molten iron will flow out from the upper part of the flow stabilizing block 2, so that the molten iron flows into the inside of the iron drop ditch 1. When the horizontal height of the groove 3 is greater than the lowest horizontal height inside the iron drop ditch 1, it can be ensured that the molten iron inside the groove 3 can flow into the iron drop ditch 1 normally; at the same time, it can be ensured that the molten iron inside the groove 3 can be discharged through the flow channel 4.

[0029] As a further illustration of this application:

[0030] The flow stabilizing block 2 includes a base block 21 fixedly connected to the inside of the iron drop ditch 1 and a wear-resistant block 22 fixedly connected to the top of the base block 21; when the molten iron is poured, the molten iron will flow out from the upper part of the flow stabilizing block 2 after the groove 3 is filled, so the molten iron will cause a certain scouring effect on the top of the flow stabilizing block 2. By setting the separate structure of the base block 21 and the wear-resistant block 22, the wear-resistant block 22 can withstand the impact of scouring; a card slot 23 is opened on the base block 21, and a card block 24 used in conjunction with the card slot 23 is fixedly connected to the wear-resistant block 22; the wear-resistant block 22 can be replaced by cooperating with the card block 24 and the card slot 23, and there is no need to replace the entire flow stabilizing block 2.

[0031] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0033] The term "comprise" or any other similar term is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, article, or apparatus / device.

[0034] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A blast furnace tapping ditch iron drop point current stabilizer structure, characterized in that: It comprises a flow stabilizing block (2) arranged inside a drop channel (1), a groove (3) being formed between one side of the flow stabilizing block (2) and the drop channel (1); and a flow channel (4) is arranged on the flow stabilizing block (2).

2. The current stabilizer structure for the iron-falling point of the blast furnace tapping channel according to claim 1, characterized in that: Both sides of the groove (3) are arc-shaped.

3. The current stabilizer structure of the blast furnace tapping channel iron falling point according to claim 1, characterized in that: A filter residue block (5) is fixedly connected to the interior of the iron drop ditch (1), a gap (6) is provided between the bottom of the filter residue block (5) and the iron drop ditch (1), and a slag discharge port (7) is provided on the iron drop ditch (1).

4. The current stabilizer structure for the iron-falling point of the blast furnace tapping channel according to claim 1, characterized in that: The horizontal height of the groove (3) is greater than the lowest horizontal height inside the iron drop ditch (1).

5. The current stabilizer structure of the iron-falling point of the blast furnace tapping channel according to claim 1, characterized in that: The flow stabilizing block (2) comprises a base block (21) fixedly connected to the inside of the iron drop ditch (1) and a wear-resistant block (22) fixedly connected to the top of the base block (21).

6. The current stabilizer structure for the iron-falling point of the blast furnace tapping channel according to claim 5, characterized in that: The base block (21) is provided with a clamping groove (23), and the wear-resistant block (22) is fixedly connected with a clamping block (24) used in conjunction with the clamping groove (23).

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