Composite air brick

Abstract

The utility model provides a composite type air brick, which relates to the technical field of air bricks and comprises an air brick cup, an air brick core and a cleaning structure, the air brick core is fixedly sleeved on the air brick cup, a groove is arranged in the air brick core, a plurality of air holes are arranged in the groove, and a connecting air pipe is arranged at the top of an air chamber. A plurality of supporting rods are arranged at the top end of the connecting air pipe, connecting sleeves are arranged at one ends of the supporting rods, and removing scrapers are arranged at the tops of the connecting sleeves and internally provided with deformation grooves. Through the arrangement of the clearing structure, blocked air holes can be cleared through the clearing scraping pieces and the matched supporting rods, the situation that molten steel is solidified and condensed in the air holes to cause poor ventilation, and consequently the production quality of the air bricks and secondary use of the air bricks are affected is avoided, on the other hand, the clearing scraping pieces can be tightly attached to the inner walls of the air holes, and the air bricks are prevented from being blocked. The cleaning effect of the cleaning scraper blade can be guaranteed, and air holes of different sizes can be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of air-permeable bricks, in particular to a composite air-permeable brick. Background Art

[0002] Composite breathable bricks are an important functional component in the steel smelting process. Composite breathable bricks are mainly used in off-furnace refining technology. By blowing inert gas (such as argon) to stir the molten steel, remove inclusions, make the molten steel temperature and composition uniform, and thus optimize the quality of steel.

[0003] During the use of composite breathable bricks, molten steel may solidify and condense on the ventilation holes, resulting in poor ventilation, affecting production quality and the secondary use of the breathable bricks. Therefore, the present application provides a composite breathable brick to meet the use needs. Utility Model Content

[0004] The purpose of the utility model is to address the shortcomings of the existing technology and provide a composite breathable brick. Through the cleaning structure, the blocked breathable holes are cleaned, and the problem of poor ventilation caused by solidification and condensation of molten steel in the breathable holes is solved, which affects the production quality of the breathable brick and the secondary use of the breathable brick.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A composite breathable brick comprises a breathable base brick, a breathable brick core and a cleaning structure. The breathable brick core is fixedly sleeved on the breathable base brick. A groove is provided inside the breathable brick core. A plurality of breathable holes are provided inside the groove. The cleaning structure comprises an air chamber, which is placed inside the groove. A connecting air pipe is provided on the top of the air chamber. A plurality of support rods are provided on the top of the connecting air pipe. A connecting sleeve is provided at one end of the support rod. A cleaning scraper is provided on the top of the connecting sleeve. A deformation groove is provided inside the cleaning scraper.

[0007] Preferably, a plurality of elastic arc plates are provided on the top of the air chamber, and weakening grooves are provided on the inner walls of the elastic arc plates.

[0008] Preferably, the elastic arc plate is an arc-shaped elastic curved surface structure, and a plurality of the elastic arc plates are linearly arranged on the top of the air chamber.

[0009] Preferably, the support rod is made of high temperature resistant material, and a plurality of the support rods are linearly arranged at the top end of the connecting trachea.

[0010] Preferably, the air chamber, the connecting air pipe and the support rod are an integrated structure and are made of high-temperature resistant steel. The diameter of the air chamber is smaller than the inner diameter of the groove.

[0011] Preferably, the connecting sleeve and the cleaning blade are an integral structure and are made of high-temperature resistant steel, and the cleaning blade is an arc-shaped elastic curved surface structure.

[0012] Preferably, the inner wall of the air-permeable brick core is provided with reinforcing ribs, and the reinforcing ribs are made of high-temperature resistant steel.

[0013] Preferably, an inner air pipe is provided at the bottom of the air chamber, an outer air pipe is provided at the top of the breathable seat brick, and the inner air pipe is slidably sleeved inside the outer air pipe.

[0014] The beneficial effects of the present invention are:

[0015] The utility model is provided with a cleaning structure, which can not only clean the blocked air holes, but also clean the air holes of different sizes. On the one hand, such a setting can use the cleaning scraper in conjunction with the support rod to clean the blocked air holes, thereby preventing the solidification and condensation of molten steel in the air holes and causing poor ventilation, which affects the production quality of the air bricks and the secondary use of the air bricks. On the other hand, the cleaning scraper can be closely fitted to the inner wall of the air hole, which can ensure the cleaning effect of the cleaning scraper and can clean the air holes of different sizes.

[0016] In summary, the utility model has the advantages of being able to clean clogged vents, allowing the cleaning blade to fit tightly against the inner wall of the vent, improving the cleaning effect of the cleaning blade, and being able to clean vents of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 for Figure 1 Schematic diagram of the cross-section three-dimensional structure;

[0019] Figure 3 for Figure 2 A in the middle is an enlarged structural diagram;

[0020] Figure 4 Enlarge the three-dimensional structure diagram to clear the structure.

[0021] Figure numerals: 1. Breathable seat brick; 2. Breathable brick core; 3. Clearing structure; 4. Breathable hole; 5. Groove; 6. External air pipe; 7. Reinforcing rib; 301. Air chamber; 302. Connecting air pipe; 303. Support rod; 304. Connecting sleeve; 305. Clearing scraper; 306. Deformation groove; 307. Elastic arc plate; 308. Weakening groove; 309. Internal air pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to 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" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0024] like Figures 1 to 4As shown, this embodiment provides a composite breathable brick, including a breathable base brick 1, a breathable brick core 2 and a cleaning structure 3. The breathable brick core 2 is fixedly sleeved on the breathable base brick 1. A groove 5 is provided inside the breathable brick core 2. A plurality of breathable holes 4 are provided inside the groove 5. The cleaning structure 3 includes an air chamber 301, which is placed inside the groove 5. A connecting air pipe 302 is provided on the top of the air chamber 301. A plurality of support rods 303 are provided on the top of the connecting air pipe 302. A connecting sleeve 304 is provided at one end of the support rod 303. A cleaning scraper 305 is provided on the top of the connecting sleeve 304. The cleaning scraper 305 is provided inside. A deformation groove 306 is provided, and a plurality of elastic arc plates 307 are provided on the top of the air chamber 301. The inner wall of the elastic arc plate 307 is provided with a weakening groove 308. The elastic arc plate 307 is an arc-shaped elastic curved surface structure. Multiple elastic arc plates 307 are linearly arranged on the top of the air chamber 301. The support rod 303 is made of high-temperature resistant material. Multiple support rods 303 are linearly arranged on the top of the connecting air pipe 302. The air chamber 301, the connecting air pipe 302 and the support rod 303 are an integrated structure and are made of high-temperature resistant steel. The diameter of the air chamber 301 is smaller than the inner diameter of the groove 5. The connecting sleeve 304 and the cleaning scraper 305 are an integrated structure and are high-temperature resistant. Steel, the cleaning scraper 305 is an arc-shaped elastic surface structure. By setting the cleaning structure 3, the cleaning scraper 305 is an arc-shaped elastic surface structure and is made of high-temperature resistant steel with a certain elasticity. The cleaning scraper 305 is deformed at the deformation groove 306, so that the cleaning scraper 305 fits tightly on the inner wall of the air vent 4, thereby ensuring the cleaning effect of the cleaning scraper 305 and can clean air vents 4 of different sizes. The elastic arc plate 307 is an arc-shaped elastic surface structure and is made of high-temperature resistant steel. Multiple elastic arc plates 307 are linearly arranged at the top of the air chamber 301, and one end of the elastic arc plate 307 It contacts the inner wall of the groove 5. After the cleaning scraper 305 cleans the clogged air hole 4, it pushes the air chamber 301 to reset and move, which is convenient for secondary cleaning of the air hole 4. Not only can the cleaning scraper 305, in conjunction with the support rod 303, clean the clogged air hole 4, avoiding the solidification and condensation of molten steel in the air hole 4 and causing poor ventilation, which affects the production quality of the air brick and the secondary use of the air brick, but also the cleaning scraper 305 can be closely fitted with the inner wall of the air hole 4, which can ensure the cleaning effect of the cleaning scraper 305, and can clean air holes 4 of different sizes.

[0025] like Figure 1 and Figure 2 As shown, the inner wall of the breathable brick core 2 is provided with a reinforcing rib 7, which is a high-temperature resistant steel. By providing the reinforcing rib 7, which is a ring structure, the strength of the breathable brick core 2 can be enhanced to avoid cracking and fault damage to the breathable brick core 2 caused by thermal expansion of the breathable brick core 2. An inner air pipe 309 is provided at the bottom of the air chamber 301, and an outer air pipe 6 is provided at the top of the breathable seat brick 1. The inner air pipe 309 is slidably sleeved inside the outer air pipe 6.

[0026] Working steps

[0027] During use, the inert gas is sent into the air chamber 301 through the outer air pipe 6 and the inner air pipe 309, and is sent into the air vent 4 through the connecting air pipe 302, thereby stirring the molten steel, removing inclusions, and making the temperature and composition of the molten steel uniform. When the air vent 4 is clogged due to debris, the air chamber 301 is pushed, and the cleaning scraper 305 is driven to move in the inner wall of the air vent 4 through the support rod 303, so that the debris blocked in the air vent 4 can be cleaned, and under the action of the elastic arc plate 307, the air chamber 301 is pushed to reset and the cleaning scraper 305 can be used for a second time, which is convenient for secondary cleaning of the air vent 4.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A composite breathable brick, characterized in that: The invention comprises a breathable base brick (1), a breathable brick core (2) and a cleaning structure (3), wherein the breathable brick core (2) is fixedly sleeved on the breathable base brick (1), a groove (5) is provided inside the breathable brick core (2), a plurality of breathable holes (4) are provided inside the groove (5), and the cleaning structure (3) comprises an air chamber (301), the air chamber (301) is placed inside the groove (5), a connecting air pipe (302) is provided at the top of the air chamber (301), a plurality of supporting rods (303) are provided at the top of the connecting air pipe (302), a connecting sleeve (304) is provided at one end of the supporting rod (303), a cleaning scraper (305) is provided at the top of the connecting sleeve (304), and a deformation groove (306) is provided inside the cleaning scraper (305).

2. A composite breathable brick according to claim 1, characterized in that: A plurality of elastic arc plates (307) are provided on the top of the air chamber (301), and weakening grooves (308) are provided on the inner walls of the elastic arc plates (307).

3. A composite breathable brick according to claim 2, characterized in that: The elastic arc plate (307) is an arc-shaped elastic curved surface structure, and a plurality of the elastic arc plates (307) are linearly arranged on the top of the air chamber (301).

4. The composite air-permeable brick according to claim 1, characterized in that: The support rod (303) is made of a high-temperature resistant material, and a plurality of the support rods (303) are linearly arranged at the top end of the connecting air pipe (302).

5. The composite air-permeable brick according to claim 1, characterized in that: The air chamber (301), the connecting air pipe (302) and the support rod (303) are an integrated structure and are made of high-temperature resistant steel. The diameter of the air chamber (301) is smaller than the inner diameter of the groove (5).

6. The composite air-permeable brick according to claim 1, characterized in that: The connecting sleeve (304) and the cleaning scraper (305) are an integral structure and are made of high-temperature resistant steel. The cleaning scraper (305) is an arc-shaped elastic curved surface structure.

7. The composite air-permeable brick according to claim 1, characterized in that: Reinforcement ribs (7) are provided inside the air-permeable brick core (2), and the reinforcement ribs (7) are made of high-temperature resistant steel.

8. The composite air-permeable brick according to claim 1, characterized in that: An inner air pipe (309) is provided at the bottom of the air chamber (301), an outer air pipe (6) is provided at the top of the air-permeable seat brick (1), and the inner air pipe (309) is slidably sleeved inside the outer air pipe (6).

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