Steel-making furnace cover

Abstract

The utility model discloses a steelmaking furnace lid, relates to steelmaking furnace technical field, including lower lid and diversion subassembly, the outer end top of lower lid is embedded with the seal ring no. 1, and the top of seal ring no. 1 is equipped with the upper lid, the top front end of upper lid is equipped with the water inlet pipe, and the top surface middle part of upper lid is fixed with the water outlet pipe, the flow guide assembly is arranged between the lower cover and the upper cover and comprises an arc-shaped plate, a T-shaped plate, a Y-shaped plate, an embedding groove and a sealing strip. According to the steel-making furnace cover, through the arrangement of the flow guide assembly, in the using process, after cooling water enters the steel-making furnace cover through the water inlet pipe, the arc-shaped plate can divide the cooling water, so that the two ends of the steel-making furnace cover can be cooled at the same time, and meanwhile, the cooling water passes through all parts between the upper cover and the lower cover in cooperation with the T-shaped plate and the Y-shaped plate; and the heated cooling water is discharged through the water outlet pipe in time, hot water is prevented from being accumulated, and therefore the overall cooling performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel-making furnaces, in particular to a steel-making furnace cover. Background Art

[0002] Steelmaking refers to controlling the carbon content, eliminating harmful elements such as P, S, O, and N, retaining or increasing beneficial elements such as Si, Mn, Ni, Cr, and adjusting the ratio between elements. Steel is obtained by putting pig iron for steelmaking into a steelmaking furnace and smelting it according to a certain process. Steel products include steel ingots, continuous casting billets, and various directly cast steel castings.

[0003] For example, the utility model with application number CN201922424654.8 discloses a water-cooled furnace cover for a steelmaking furnace. The utility model designs an inner ring sealing component and an outer ring sealing component between the top plate and the bottom plate, and the sealing design can prevent water from leaking out, so that the top plate and the bottom plate can be disassembled to clean the inside. The assembly is convenient, the welding workload is reduced, and the top plate or the bottom plate can be replaced when it is damaged, so as to avoid overall scrapping and save costs. However, in the actual use of the furnace cover, when the cooling water enters from the water inlet pipe, it will be discharged from the water outlet pipe at a short distance, resulting in the cooling water being unable to fully contact various parts of the furnace cover body, and the cooling water after the internal temperature is fully discharged, resulting in uneven heating of the furnace cover as a whole, which affects the overall cooling effect.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a steelmaking furnace cover is provided. Utility Model Content

[0005] The utility model aims to provide a steelmaking furnace cover to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steelmaking furnace cover, comprising a lower cover and a guide assembly, a sealing ring 1 is embedded in the top of the outer end of the lower cover, and an upper cover is arranged on the top of the sealing ring 1, a water inlet pipe is arranged at the front end of the top of the upper cover, and a water outlet pipe is fixed in the middle of the top surface of the upper cover, the guide assembly is arranged between the lower cover and the upper cover, the guide assembly comprises an arc plate, a T-shaped plate, a Y-shaped plate, an embedding groove and a sealing strip, an arc plate is fixed at the inner outer end of the lower cover, a T-shaped plate is arranged between the arc plates, and the T-shaped plate is fixedly connected to the lower cover, a Y-shaped plate is arranged in the center of the top of the lower cover, an embedding groove is opened on the bottom surface of the upper cover, and a sealing strip is arranged inside the embedding groove.

[0007] Furthermore, the top surface of the lower cover and the bottom of the upper cover are both connected with fixing rings, and a sealing ring 2 is arranged between the fixing rings. The interior of the fixing ring is slidably connected with a liner, and the upper end of the liner is threadedly connected with a screw sleeve on the outer side.

[0008] Furthermore, a quick-release assembly is provided on the outer side of the upper cover, and the quick-release assembly includes a slip ring, a handle and a rotating plate. The handles are fixed on both the front and rear sides of the slip ring, and the bottom of the slip ring is rotatably connected to the rotating plate.

[0009] Furthermore, the quick-release assembly also includes a clamping plate and a guide rod, the lower end of the rotating plate is rotatably connected to the clamping plate, and the inside of the clamping plate is slidably connected to the guide rod, and the guide rod is fixedly connected to the upper cover.

[0010] Furthermore, the card plate is J-shaped, and the number of the card plates is six.

[0011] Furthermore, the quick-release assembly also includes a guide frame, a spring and a connecting ear. The guide frame is fixed to one end of the guide rod, and the spring is sleeved on the outer side of the other end of the guide rod. A connecting ear is provided on the outer side of the lower end of the clamping plate.

[0012] Furthermore, the slip ring is slidably connected to the upper cover, and the upper cover is fixedly connected to the guide frame.

[0013] Furthermore, the connecting ears are fixedly connected to the lower cover, and the connecting ears are equidistantly distributed around the outer side of the lower cover.

[0014] The utility model provides a steelmaking furnace cover, which has the following beneficial effects:

[0015] 1. The utility model is provided with a flow guide component. During use, when cooling water enters the steelmaking furnace cover through the water inlet pipe, the arc plate will divert the cooling water, so that both ends of the steelmaking furnace cover can be cooled at the same time. At the same time, the T-shaped plate and the Y-shaped plate are used to make the cooling water pass through various parts between the upper cover and the lower cover, and the heated cooling water is discharged through the water outlet pipe in time to avoid hot water accumulation, thereby improving the overall cooling performance, which is beneficial to prolonging the service life of the steelmaking furnace cover. The sealing strip inside the embedded groove can also enhance the overall sealing performance of the flow guide component;

[0016] 2. The utility model provides a quick-release assembly. When it is necessary to clean the scale inside the steelmaking furnace cover, after removing the screw sleeve, the sliding ring can be lifted by the handle to make the rotating plate pull all the clamping plates at the same time, so that they are separated from the connecting ears under the limit of the guide rod. Therefore, there is no need to disassemble them one by one, thereby improving the convenience of overall maintenance. During installation, it is only necessary to insert the clamping plate into the connecting ear with force, and then the spring will push the clamping plate to engage with the connecting ear, which is also very convenient during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall front cross-sectional structure of a steelmaking furnace cover of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall top view cross-sectional structure of a steelmaking furnace cover of the utility model;

[0019] Figure 3 The utility model is a steelmaking furnace cover Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 4 The utility model is a schematic diagram of the three-dimensional structure of a slip ring of a steelmaking furnace cover.

[0021] In the figure: 1, lower cover; 2, sealing ring 1; 3, upper cover; 4, water inlet pipe; 5, water outlet pipe; 6, fixing ring; 7, sealing ring 2; 8, bushing; 9, screw sleeve; 10, guide assembly; 1001, arc plate; 1002, T-shaped plate; 1003, Y-shaped plate; 1004, embedded groove; 1005, sealing strip; 11, quick-release assembly; 1101, slip ring; 1102, handle; 1103, rotating plate; 1104, clamping plate; 1105, guide rod; 1106, guide frame; 1107, spring; 1108, connecting ear. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] like Figures 1 to 3As shown, a steelmaking furnace cover comprises a lower cover 1 and a guide assembly 10, a sealing ring 2 is embedded in the top of the outer end of the lower cover 1, and an upper cover 3 is arranged on the top of the sealing ring 2, the sealing ring 2 is used to enhance the sealing performance between the lower cover 1 and the upper cover 3, a water inlet pipe 4 is arranged at the front end of the top of the upper cover 3, and a water outlet pipe 5 is fixed to the middle of the top surface of the upper cover 3, the top surface of the lower cover 1 and the bottom of the upper cover 3 are connected with a fixing ring 6, and a sealing ring 2 is arranged between the fixing rings 6, the sealing ring 2 7 will seal between the two fixing rings 6 to prevent cooling water from seeping out, the inside of the fixing ring 6 is slidably connected with a liner 8, and the upper end of the liner 8 is threadedly connected with a screw sleeve 9, the guide assembly 10 is arranged between the lower cover 1 and the upper cover 3, the guide assembly 10 comprises an arc plate 1001, a T-shaped plate 1002, a Y-shaped plate 1003, a groove 1004 and a sealing strip 1005, the lower cover 1 An arc plate 1001 is fixed at the inner outer end, and a T-shaped plate 1002 is arranged between the arc plates 1001, and the T-shaped plate 1002 is fixedly connected to the lower cover 1. When the cooling water enters the steelmaking furnace cover through the water inlet pipe 4, the arc plate 1001 will divert the cooling water, so that both ends of the steelmaking furnace cover can be cooled at the same time. A Y-shaped plate 1003 is arranged at the top center of the lower cover 1. The T-shaped plate 1002 and the Y-shaped plate 1003 make the cooling water pass through various parts between the upper cover 3 and the lower cover 1, and the heated cooling water is discharged through the outlet pipe 5 in time to avoid hot water accumulation, thereby improving the overall cooling performance, which is beneficial to extending the service life of the steelmaking furnace cover. A groove 1004 is provided on the bottom surface of the upper cover 3, and a sealing strip 1005 is provided inside the groove 1004. The sealing strip 1005 can enhance the overall sealing performance of the guide component 10.

[0024] like Figure 1 and Figure 4As shown, a quick-release assembly 11 is provided on the outer side of the upper cover 3, and the quick-release assembly 11 includes a slip ring 1101, a handle 1102 and a rotating plate 1103. The handles 1102 are fixed on the front and rear sides of the slip ring 1101, and the bottom of the slip ring 1101 is rotatably connected to the rotating plate 1103. The quick-release assembly 11 also includes a clamping plate 1104 and a guide rod 1105. The lower end of the rotating plate 1103 is rotatably connected to the clamping plate 1104, and the inside of the clamping plate 1104 is slidably connected to the guide rod 1105, and the guide rod 1105 is fixedly connected to the upper cover 3. The clamping plate 1104 is J-shaped, and the number of the clamping plates 1104 is six. By lifting the slip ring 1101 with the handle 1102, the rotating plate 1103 can pull all the clamping plates 1104 at the same time. The quick-release assembly 11 also includes a guide frame 1106, a spring 1107 and a connecting ear 1108. The guide rod A guide frame 1106 is fixed to one end of 1105, and a spring 1107 is sleeved on the outer side of the other end of the guide rod 1105. A connecting ear 1108 is arranged on the outer side of the lower end of the card plate 1104. The slip ring 1101 is slidably connected to the upper cover 3, and the upper cover 3 is fixedly connected to the guide frame 1106. The guide rod 1105 and the guide frame 1106 will limit and guide the card plate 1104. Therefore, when the rotating plate 1103 pulls the card plate 1104, the card plate 1104 will be separated from the connecting ear 1108, so that it can be quickly disassembled. The connecting ear 1108 is fixedly connected to the lower cover 1, and the connecting ears 1108 are equidistantly distributed on the outer side of the lower cover 1. When assembling, you only need to insert the card plate 1104 into the connecting ear 1108 with force, and then the spring 1107 will push the card plate 1104 to engage with the connecting ear 1108, which is also very convenient during installation.

[0025] In summary, when using the steelmaking furnace cover, first Figures 1 to 4In the structure shown in the figure, after the cooling water enters the steelmaking furnace cover through the water inlet pipe 4, the arc plate 1001 will divert the cooling water, and at the same time cooperate with the T-shaped plate 1002 and the Y-shaped plate 1003 to allow the cooling water to pass through various parts between the upper cover 3 and the lower cover 1, and the heated cooling water will be discharged through the water outlet pipe 5 in time, and the sealing strip 1005 inside the embedded groove 1004 will enhance the overall sealing performance of the guide component 10. Then, when it is necessary to remove the upper cover 3 for maintenance, first rotate the screw sleeve 9 to separate it from the liner 8, and then lift the slip ring 1101 through the handle 1102, so that the rotating plate 1103 can pull all the card plates at the same time. 1104, so that it can be separated from the connecting ear 1108 under the limit of the guide rod 1105, so as to disassemble and clean the upper cover 3 and the lower cover 1. Finally, when the upper cover 3 and the lower cover 1 need to be assembled, it is only necessary to insert the clamping plate 1104 into the connecting ear 1108 with force, and then the spring 1107 will push the clamping plate 1104 to engage with the connecting ear 1108, and enhance the sealing performance between the lower cover 1 and the upper cover 3 through the sealing ring 1 2, and then use the screw sleeve 9 and the bushing 8 to lock the two fixing rings 6. At this time, the sealing ring 2 7 will seal between the two fixing rings 6 to prevent cooling water from leaking, and the assembly of the steelmaking furnace cover can be completed.

[0026] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A steelmaking furnace cover, comprising a lower cover (1) and a flow guide assembly (10), characterized in that: The outer end top of the lower cover (1) is embedded with a sealing ring (2), and the top of the sealing ring (2) is provided with an upper cover (3), the front end of the top of the upper cover (3) is provided with a water inlet pipe (4), and the middle of the top surface of the upper cover (3) is fixed with a water outlet pipe (5), the guide assembly (10) is arranged between the lower cover (1) and the upper cover (3), and the guide assembly (10) comprises an arc plate (1001), a T-shaped plate (1002), a Y-shaped plate (1003), an embedding groove (1004), and a plurality of sealing rings (1005). 004) and a sealing strip (1005), an arc-shaped plate (1001) is fixed to the inner outer end of the lower cover (1), a T-shaped plate (1002) is arranged between the arc-shaped plates (1001), and the T-shaped plate (1002) is fixedly connected to the lower cover (1), a Y-shaped plate (1003) is arranged at the top center of the lower cover (1), the bottom surface of the upper cover (3) is provided with an embedding groove (1004), and a sealing strip (1005) is arranged inside the embedding groove (1004).

2. A steelmaking furnace cover according to claim 1, characterized in that: The top surface of the lower cover (1) and the bottom of the upper cover (3) are both connected with a fixing ring (6), and a sealing ring (7) is arranged between the fixing rings (6). The interior of the fixing ring (6) is slidably connected with a liner (8), and the upper end of the liner (8) is threadedly connected with a screw sleeve (9) on the outer side.

3. A steelmaking furnace cover according to claim 1, characterized in that: A quick-release assembly (11) is arranged on the outer side of the upper cover (3), and the quick-release assembly (11) comprises a slip ring (1101), a handle (1102) and a rotating plate (1103). The handles (1102) are fixed on both the front and rear sides of the slip ring (1101), and the bottom of the slip ring (1101) is rotatably connected to the rotating plate (1103).

4. A steelmaking furnace cover according to claim 3, characterized in that: The quick-install assembly (11) further comprises a clamping plate (1104) and a guide rod (1105); the lower end of the rotating plate (1103) is rotatably connected to the clamping plate (1104); the interior of the clamping plate (1104) is slidably connected to the guide rod (1105); and the guide rod (1105) is fixedly connected to the upper cover (3).

5. A steelmaking furnace cover according to claim 4, characterized in that: The clamping plate (1104) is J-shaped, and the number of the clamping plates (1104) is six.

6. A steelmaking furnace cover according to claim 4, characterized in that: The quick-install assembly (11) further comprises a guide frame (1106), a spring (1107) and a connecting ear (1108); the guide frame (1106) is fixed to one end of the guide rod (1105), and the spring (1107) is sleeved on the outer side of the other end of the guide rod (1105); and a connecting ear (1108) is arranged on the outer side of the lower end of the clamping plate (1104).

7. A steelmaking furnace cover according to claim 6, characterized in that: The slip ring (1101) is slidably connected to the upper cover (3), and the upper cover (3) is fixedly connected to the guide frame (1106).

8. A steelmaking furnace cover according to claim 6, characterized in that: The connecting ears (1108) are fixedly connected to the lower cover (1), and the connecting ears (1108) are equidistantly distributed around the outer side of the lower cover (1).

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