Tap hole brick breaking device

Abstract

The utility model discloses a steel tapping hole brick breaking device which comprises a breaking hammer body, a guide rod assembly matched with the breaking hammer body for installation and a blade assembly installed on the guide rod assembly. The guide rod assembly is matched with the position of the tapping hole for positioning and guiding; the blade assembly is matched with the guide rod assembly and the breaking hammer body for breaking bricks at the tapping hole; according to the technical scheme, the guide rod assembly is mounted at the lower end of the breaking hammer body, so that the breaking hammer body is conveniently matched with the position of the tapping hole for insertion, and after insertion, the blade assembly on the guide rod is matched with the breaking hammer body, so that bricks at the tapping hole can be conveniently and rapidly positioned and broken; the efficiency of dismantling the bricks at the tapping hole is greatly improved, and the possibility that operators are damaged by hot slag splashing and high temperature is reduced.

Description

Technical Field

[0001] The utility model relates to the field of steelmaking, in particular to a device for breaking bricks at a steel outlet. Background Art

[0002] Electric furnace steelmaking primarily utilizes arc heat, with temperatures reaching as high as 4000°C in the arc zone. The smelting process is generally divided into melting, oxidation, and reduction phases. The furnace creates both an oxidizing and a reducing atmosphere, resulting in highly efficient dephosphorization and desulfurization.

[0003] The bricks at the taphole of an electric furnace usually need to be replaced after a lifespan of 150 to 200 heats. Traditional operations require removing the tray below the taphole, placing a wire rope from above the furnace, passing it through the top of the taphole, and hanging a pull rod with a blade to lift the bricks from below to break them. The operator needs to repeatedly lift the breaking device and operate it multiple times to remove the original taphole bricks. Due to the high temperature and high dust in the furnace and the poor working environment, the dismantling time is usually about 3 to 4 hours, and the furnace shutdown time is long, which affects work efficiency and has a great impact on the health of the operator.

[0004] Therefore, in order to solve the above problems, a steel tapping hole brick breaking device is needed to solve the above problems. Utility Model Content

[0005] In view of this, the brick breaking device at the steel outlet of this technical solution installs a guide rod assembly at the lower end of the crushing hammer body, which is convenient for insertion in accordance with the position of the steel outlet. After insertion, the blade assembly on the guide rod cooperates with the crushing hammer body to facilitate rapid positioning and breaking of bricks at the steel outlet, which greatly improves the efficiency of removing bricks at the steel outlet and reduces the possibility of operators being injured by hot slag splashing and high temperature.

[0006] A device for breaking bricks at the steel outlet comprises a crushing hammer body, a guide rod assembly installed in conjunction with the crushing hammer body, and a blade assembly installed on the guide rod assembly; the guide rod assembly is used to position and guide the steel outlet, and the blade assembly is used to crush bricks at the steel outlet in conjunction with the guide rod assembly and the crushing hammer body.

[0007] Furthermore, the guide rod assembly includes a guide rod body installed at the lower end of the breaker hammer body and an inner ring blade arranged on the guide rod body; the lower end of the guide rod body is a conical structure.

[0008] Furthermore, a hammer mounting portion for positioning and mounting the crushing hammer and a blade mounting portion for positioning and mounting the blade assembly are formed on the upper end of the guide rod body. There are multiple inner ring blades and the multiple inner ring blades are evenly distributed on the guide rod body.

[0009] Furthermore, the blade assembly cooperates with the guide rod body to position and install the inner tool holder, the outer tool holder and the tool holder connecting plate connecting the inner tool holder and the outer tool holder, and the outer tool holder is equipped with an outer ring knife group for crushing.

[0010] Furthermore, the outer ring knife group includes an outer ring upper knife and an outer ring lower knife arranged on the outer knife holder. The outer ring upper knife is multiple and the multiple outer ring upper knives are evenly distributed in the same circumferential direction of the outer knife holder. The outer ring lower knife is multiple and the multiple outer ring lower knives are evenly distributed in the same circumferential direction of the outer knife holder.

[0011] Furthermore, the inner tool holder and the outer tool holder are coaxially arranged, and the installation radius of the outer tool holder of the outer ring upper cutting edge is greater than the installation radius of the outer tool holder of the outer ring lower cutting edge.

[0012] Furthermore, a protective cover is provided at the lower end of the breaker hammer body.

[0013] Furthermore, a lifting lug is provided on the upper end of the breaker hammer body.

[0014] The beneficial effects of the utility model are as follows: the brick breaking device at the steel outlet of the technical solution, by installing a guide rod assembly at the lower end of the crushing hammer body, is convenient for insertion in accordance with the position of the steel outlet. After insertion, the blade assembly on the guide rod cooperates with the crushing hammer body to facilitate rapid positioning and breaking of bricks at the steel outlet, which greatly improves the efficiency of removing bricks at the steel outlet and reduces the possibility of operators being injured by hot slag splashing and high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0016] Figure 1 This is a schematic diagram of the overall demolition of the utility model;

[0017] Figure 2 It is an overall schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the guide rod assembly of the utility model;

[0019] Figure 4 This is a schematic diagram of the blade assembly of the utility model;

[0020] Figure 5 This is a top view of the blade assembly of the present invention. DETAILED DESCRIPTION

[0021] Figure 1 This is a schematic diagram of the overall demolition of the utility model; Figure 2 It is an overall schematic diagram of the utility model; Figure 3 This is a schematic diagram of the guide rod assembly of the utility model; Figure 4This is a schematic diagram of the blade assembly of the utility model; Figure 5 It is a top view schematic diagram of the blade assembly of the present invention; as shown in the figure, a brick breaking device for a steel outlet comprises a crushing hammer body 2, a guide rod assembly 7 installed in conjunction with the crushing hammer body 2, and a blade assembly 6 installed on the guide rod assembly 7; the guide rod assembly 7 is positioned and guided in conjunction with the position of the steel outlet, and the blade assembly 6 is used to break the bricks 8 at the steel outlet in conjunction with the guide rod assembly and the crushing hammer body; the brick breaking device for the steel outlet of the present technical solution is convenient for inserting in conjunction with the position of the steel outlet by installing the guide rod assembly at the lower end of the crushing hammer body. After insertion, the blade assembly on the guide rod is combined with the crushing hammer body to facilitate rapid positioning and breaking of bricks at the steel outlet, thereby greatly improving the efficiency of removing bricks at the steel outlet and reducing the possibility of operators being injured by hot slag splashing and high temperature.

[0022] In this embodiment, the guide rod assembly 7 comprises a guide rod body mounted at the lower end of the breaker hammer, and an inner ring blade 74 disposed on the guide rod body. The lower end of the guide rod body is tapered, facilitating installation at the tapping hole. The inner ring blade 74 is disposed on the guide rod body to facilitate initial crushing at the tapping hole.

[0023] In this embodiment, the upper end of the guide rod body is formed with a hammer mounting portion 72 for aligning with the breaker hammer, and a blade mounting portion 73 for aligning with the blade assembly. Multiple inner ring blades 74 are evenly distributed along the guide rod body. The hammer mounting portion 72 and blade mounting portions 73 are formed vertically along the guide rod body from top to bottom. The hammer mounting portion 72 is secured to the breaker hammer 2 by locking bolts 4. The annular inner ring blades 74 provide a primary crushing effect.

[0024] In this embodiment, the blade assembly 6 is positioned and mounted with the guide rod body, including an inner blade holder 65, an outer blade holder 61, and a blade holder connecting plate connecting the inner and outer blade holders. The outer blade holder 61 is mounted with an outer ring blade assembly for crushing. The inner and outer blade holders 65 and 61 are connected to the blade holder connecting plate to form the overall blade holder structure. The blade mounting portion 73 is connected and mounted using a key 5 in a keyway 64.

[0025] In this embodiment, the outer ring blade assembly includes an outer ring upper blade 62 and an outer ring lower blade 63, which are arranged on the outer blade holder. There are multiple outer ring upper blades 62, and multiple outer ring lower blades 63, which are evenly distributed along the same circumference of the outer blade holder. The outer ring upper and lower blades work together to achieve multiple crushing operations at the steel tapping point, improving crushing efficiency.

[0026] In this embodiment, the inner blade holder 65 and outer blade holder 61 are coaxially arranged. The outer ring upper blade 62 has a larger installation radius along the outer blade holder than the outer ring lower blade 63. After installation, the outer ring upper blade 62 protrudes further outward in the radial direction of the outer blade holder. This, in conjunction with the outer ring lower blade 63 and the inner ring blade 74, creates a gradually decreasing installation radius, resulting in a stepped crushing effect across the entire structure.

[0027] In this embodiment, a protective cover 3 is provided at the lower end of the crushing hammer body 2. A heat protection cover 3 is installed on the outside to prevent the crushing hammer body 2 from being damaged by high-temperature smoke and dust in the furnace.

[0028] In this embodiment, a lifting lug 1 is provided at the upper end of the breaker hammer body.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A brick breaking device for a steel tapping hole, characterized by: It includes a breaker hammer body, a guide rod assembly installed in conjunction with the breaker hammer body, and a blade assembly installed on the guide rod assembly; the guide rod assembly cooperates with the steel outlet position for positioning and guidance, and the blade assembly cooperates with the guide rod assembly and the breaker hammer body to crush bricks at the steel outlet.

2. The device for breaking bricks at the tap hole according to claim 1, characterized in that: The guide rod assembly comprises a guide rod body mounted on the lower end of the breaker hammer body and an inner ring blade arranged on the guide rod body; the lower end of the guide rod body is a conical structure.

3. The device for breaking bricks at the taphole according to claim 2, characterized in that: The upper end of the guide rod body is formed with a hammer mounting portion for positioning and mounting the crushing hammer body and a blade mounting portion for positioning and mounting the blade assembly. There are multiple inner ring blades and the multiple inner ring blades are evenly distributed on the guide rod body.

4. The device for breaking bricks at the taphole according to claim 2, characterized in that: The blade assembly cooperates with the guide rod body to position and install the inner tool holder, the outer tool holder and the tool holder connecting plate connecting the inner tool holder and the outer tool holder, and the outer tool holder is equipped with an outer ring knife group for crushing.

5. The device for breaking bricks at the tap hole according to claim 4, characterized in that: The outer ring knife group includes an outer ring upper knife and an outer ring lower knife arranged on the outer knife holder. There are multiple outer ring upper knives and the multiple outer ring upper knives are evenly distributed in the same circumferential direction of the outer knife holder. There are multiple outer ring lower knives and the multiple outer ring lower knives are evenly distributed in the same circumferential direction of the outer knife holder.

6. The device for breaking bricks at the tap hole according to claim 5, characterized in that: The inner tool holder and the outer tool holder are coaxially arranged, and the installation radius of the outer tool holder on the outer ring upper cutting edge is greater than the installation radius of the outer tool holder on the outer ring lower cutting edge.

7. The device for breaking bricks at the tap hole according to claim 1, characterized in that: A protective cover is provided at the lower end of the breaker hammer body.

8. The device for breaking bricks at the tap hole according to claim 1, characterized in that: The upper end of the breaker hammer body is provided with a lifting lug.

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