Repairing device for tap hole of metal mixer
By designing a repair device for the taphole of a blast furnace, and using telescopic sleeves and adjusting bolts to adjust the spacing of the repair plates, the problem of taphole repair material slipping off was solved, achieving efficient repair and saving repair materials.
Patent Information
- Application Number
- CN202520355432.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-03
AI Technical Summary
During the process of pouring molten iron into the ladle, the refractory material at the tapping point is easily corroded, causing the repair material to slip off easily, resulting in longer repair time and increased usage.
A blast furnace taphole repair device is designed, comprising a main repair plate and a secondary repair plate, which are connected by a telescopic sleeve. Combined with a coarse adjustment pipe, a fine adjustment pipe, and an adjustment bolt, the repair plate can be precisely adjusted and fixed to assist in taphole repair.
It improves the efficiency of taphole repair, reduces the amount of repair material used by 1/3 to 2/3, and saves resources.
Smart Images

Figure CN223879778U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the iron notch repair technical field, concretely relates to a mixing iron furnace iron notch repair device. BACKGROUND
[0002] For the steelmaking plant of poor molten iron condition, the mixing iron furnace is a kind of basic equipment for stabilizing molten iron turnover, uniform molten iron composition and temperature.The mixing iron furnace is a kind of container for storing liquid molten iron, and its main function is to store molten iron, uniform molten iron composition and temperature, first, the blast furnace molten iron is poured into the mixing iron furnace by the overhead crane, and then the molten iron in the mixing iron furnace is poured into the ladle from the iron notch.In the process of pouring the molten iron from the mixing iron furnace into the ladle through the iron notch, the iron notch is physically washed and high-temperature eroded by the liquid molten iron, and the refractory material of the iron notch is gradually eroded, so the refractory material of the iron notch must be repaired regularly.During the repair of the iron notch, since the iron notch has a certain angle, the repair material of the iron notch is easy to slide off during repair, and there are the defects of increased repair material consumption and long repair time. SUMMARY
[0003] The utility model discloses a mixing iron furnace iron notch repair device, and aims at solving the problems of easy sliding of repair material of the iron notch during repair, increased repair material consumption and long repair time.
[0004] The technical scheme of the utility model is as follows: a mixing iron furnace iron notch repair device, which comprises a main repair plate and an auxiliary repair plate, the main repair plate and the auxiliary repair plate are the same size and are symmetrically arranged, the main repair plate and the auxiliary repair plate are connected through a telescopic sleeve pipe, main baffles and auxiliary baffles are respectively arranged at the same end of the main repair plate and the auxiliary repair plate, and the main baffles and the auxiliary baffles are arranged on different sides of the telescopic sleeve pipe.
[0005] As a further improvement of the utility model, a first coarse adjustment pipe and a first fine adjustment pipe are arranged on the main repair plate, a second coarse adjustment pipe and a second fine adjustment pipe are arranged on the auxiliary repair plate, the first fine adjustment pipe is telescopically arranged in the second coarse adjustment pipe, the second fine adjustment pipe is telescopically arranged in the first coarse adjustment pipe, a main adjustment bolt is arranged on the first coarse adjustment pipe, and an auxiliary adjustment bolt is arranged on the second coarse adjustment pipe.
[0006] As a further improvement of the utility model, the curvature of the main repair plate and the auxiliary repair plate is 30 °.
[0007] The utility model discloses beneficial effects as follows: the utility model discloses two size same, symmetrically arranged repair plates, two repair plates are connected through telescopic sleeve pipe, and the telescopic sleeve pipe is composed of coarse adjusting pipe, fine adjusting pipe and adjusting bolt, two telescopic sleeve pipes are oppositely arranged, and the same end of two repair plates is provided with a baffle, after measuring the tapping hole, according to the measurement, the interval of two repair plates is adjusted by coarse adjusting pipe, fine adjusting pipe and adjusting bolt, and is fixed by the baffle, when repairing the tapping hole, the device is used, and the repair material is put between the device and the tapping hole refractory material, and the tapping hole repair is completed, so the purpose of assisting the tapping hole repair of the mixing furnace is realized, the tapping hole repair efficiency is improved, and the tapping hole repair material is reduced by 1 / 3-2 / 3 compared with the original method, and resources are saved. BRIEF DESCRIPTION OF DRAWINGS
[0008] Figure 1 It is the perspective view of the utility model;
[0009] Figure 2 It is the front view of the utility model;
[0010] Figure 3 It is the top view of the utility model;
[0011] Figure 4 It is the side view of the utility model.
[0012] In the drawing: 1-main repair plate;2-main baffle;3-first coarse adjusting pipe;4-main adjusting bolt;5-first fine adjusting pipe;6-secondary repair plate;7-secondary baffle;8-second coarse adjusting pipe;9-second fine adjusting pipe;10-secondary adjusting bolt. DETAILED DESCRIPTION
[0013] The utility model will be further explained in detail in combination with the drawings and specific embodiment.
[0014] As Figures 1-4 Shown, a mixing furnace tapping hole repair device, including main repair plate 1 and secondary repair plate 6, and main repair plate 1 and secondary repair plate 6 size same, symmetrically arranged, and main repair plate 1 and secondary repair plate 6 are connected through telescopic sleeve pipe between, and the same end of main repair plate 1 and secondary repair plate 6 is equipped with main baffle 2 and secondary baffle 7 respectively, and main baffle 2 and secondary baffle 7 are different with telescopic sleeve pipe setting direction side.
[0015] First coarse adjusting pipe 3 and first fine adjusting pipe 5 are equipped on main repair plate 1, and second coarse adjusting pipe 8 and second fine adjusting pipe 9 are equipped on secondary repair plate 6, first fine adjusting pipe 5 is telescopically arranged in second coarse adjusting pipe 8, and second fine adjusting pipe 9 is telescopically arranged in first coarse adjusting pipe 3, and main adjusting bolt 4 is equipped on first coarse adjusting pipe 3, and secondary adjusting bolt 10 is equipped on second coarse adjusting pipe 8.
[0016] The main patch plate 1 and the secondary patch plate 6 have an arc of 30°.
[0017] Embodiment 1,
[0018] Two symmetrical steel plates with a length of 800-1000mm, a width of 200mm and an arc of 30° are cut as the main patch plate 1 and the secondary patch plate 6, a steel baffle with a length of 200mm and a width of 200mm is welded at the same end of the main patch plate 1 and the secondary patch plate 6 as the main baffle 2 and the secondary baffle 7, two groups of telescopic sleeves are welded at the middle positions of the main patch plate 1 and the secondary patch plate 6, the telescopic sleeves are composed of a fine connecting pipe telescopically sleeved in a thick connecting pipe, and adjustable adjusting bolts are installed on the two thick adjusting pipes.
[0019] The first thick adjusting pipe 3 and the second thick adjusting pipe 8 and the first fine adjusting pipe 5 and the second fine adjusting pipe 9 are arranged oppositely, so that the structural stability can be balanced, the deformation resistance can be enhanced, the synchronous movement can be realized, and the precise control can be achieved.
[0020] The specific operation process is as follows:
[0021] The iron tapping hole repair preparation: after the iron tapping of the mixing furnace is completed, the mixing furnace is shaken to the iron tapping hole repair position, the mixing furnace is powered off and the personnel starts the repair operation, and the dust removal must be converted to the iron feeding position to prevent the flame from escaping and causing personnel burns.
[0022] The platform preparation: it is confirmed that the small platform for repairing the iron tapping hole is firm and reliable, and the repair small platform is erected to the iron tapping hole by using the crown block.
[0023] The masonry repair material preparation: the repair material for masonry is prepared on the iron feeding platform of the mixing furnace.
[0024] The distance measurement: the operator stands on the small platform and measures the erosion of the iron tapping hole and the distance on both sides.
[0025] The iron tapping hole repair device adjustment: according to the measurement of the iron tapping hole, the distance between the main patch plate 1 and the secondary patch plate 6 is adjusted by using the first thick adjusting pipe 3 and the second fine adjusting pipe 9 and the first fine adjusting pipe 5 and the second thick adjusting pipe 8, and after the adjustment, the main adjusting bolt 4 and the secondary adjusting bolt 10 are fastened.
[0026] The installation of the iron tapping hole repair device: the adjusted iron tapping hole repair device is installed on the iron tapping hole, and the main baffle 2 and the secondary baffle 7 are used for fixation.
[0027] The iron tapping hole repair: the prepared iron tapping hole repair material is put into the two sides of the iron tapping hole repair device by using a shovel, and the iron tapping hole is repaired.
[0028] Sintering and baking: the iron tapping hole gas burner is opened, the gas flow is 400m 3 / h, baking the taphole for 30-60 min.
[0029] Dismantle the taphole repair device: after the baking is finished, the taphole repair device is dismantled, and the taphole repair is completed.
Claims
1. A device for repairing a tap hole of a mixing furnace, characterized by: The application relates to a double-adjustable expansion joint, which comprises a main patch (1) and a secondary patch (6), wherein the main patch (1) and the secondary patch (6) are symmetrical and have the same size, the main patch (1) and the secondary patch (6) are connected through an expansion sleeve, a main baffle (2) and a secondary baffle (7) are respectively arranged at the same end of the main patch (1) and the secondary patch (6), and the main baffle (2) and the secondary baffle (7) are arranged on the different sides of the expansion sleeve.
2. A device for repairing a tap hole of a mixing furnace according to claim 1, characterized in that: A first coarse adjusting pipe (3) and a first fine adjusting pipe (5) are arranged on the main patch (1), a second coarse adjusting pipe (8) and a second fine adjusting pipe (9) are arranged on the secondary patch (6), the first fine adjusting pipe (5) is telescopically arranged in the second coarse adjusting pipe (8), the second fine adjusting pipe (9) is telescopically arranged in the first coarse adjusting pipe (3), a main adjusting bolt (4) is arranged on the first coarse adjusting pipe (3), and a secondary adjusting bolt (10) is arranged on the second coarse adjusting pipe (8).
3. A device for repairing a tap hole of a mixing furnace according to claim 1 or 2, characterized in that: The curvature of the main patch (1) and the secondary patch (6) is 30 DEG.