Assembled open-hearth furnace end

Abstract

The utility model relates to the technical field of open-hearth furnace ends, and discloses an assembly type open-hearth furnace end which comprises a connecting seat, a flange piece installed at the upper end of the connecting seat and a plurality of assembly furnace ends installed on the flange piece, the side, close to the connecting seat, of the flange piece is connected with a lifting mechanism, and the other end of the lifting mechanism penetrates through the flange piece and is connected with a sealing cover. And the sealing cover is sleeved outside the plurality of assembled burners. According to the assembled furnace end of the open-hearth furnace, the lifting mechanism is arranged below the flange piece, the sealing cover located above the multiple assembled furnace ends is connected through the lifting mechanism, after a user installs the multiple assembled furnace ends on the flange piece, the sealing cover can be driven to descend through the lifting mechanism, and the multiple assembled furnace ends are covered inside; and therefore, the situation that fuel is wasted and even safety problems are caused due to the fact that the fuel flows out of gaps among the multiple assembled furnace ends can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of open-hearth furnace heads, in particular to an assembled open-hearth furnace head. Background Art

[0002] An open-hearth furnace is a steelmaking device with an appearance similar to a flat-roofed house. It is a hearth-type reverberatory steelmaking furnace. The open-hearth furnace head is a key component in the open-hearth furnace structure. It is designed to control and stabilize the combustion process of fuel, ensuring the effective utilization of the flame. The design of the furnace head directly affects the direction and shape of the flame, as well as the discharge of combustion exhaust gas and its distribution in the regenerator.

[0003] Currently, the patent with the publication number CN217442235U discloses an open-hearth furnace head that is easy to replace, including a connection seat fixed on the open-hearth furnace. A flange is fixed at the upper end of the connection seat, and an assembled furnace head is threadedly fixed on the flange. A connection piece is fixed on the inner wall at the lower end of the assembled furnace head, and a clamping block is fixed at the upper end of the connection piece. A screw is threadedly connected in the middle of the flange. By setting the assembled furnace head, when it is necessary to repair or replace the furnace head, by disassembling the assembled furnace head for inspection, the damage condition of the specific position of the furnace head can be known. Then, when it is necessary to replace the assembled furnace head, align the position of the assembled furnace head during replacement, then rotate the screw through the threaded hole on the flange, and then fix the clamping block on the connection piece through the snap ring. In this way, the assembled furnace head that needs to be replaced can be disassembled and replaced separately, which facilitates the overall maintenance of the furnace head.

[0004] However, the above open-hearth furnace head still has the following problems during actual use:

[0005] During the combustion process of the open-hearth furnace head, fuel (such as gas or heavy oil) and hot air will be introduced into its interior. The above open-hearth furnace head is composed of multiple arc-shaped assembled furnace heads, which causes fuel and hot air to overflow from the gaps between the multiple arc-shaped assembled furnace heads. This will not only lead to fuel waste, but also may affect the combustion effect of the fuel, and even cause safety problems due to fuel overflow. Content of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides an assembled open-hearth furnace head to solve the problem that fuel flows out from the gaps between several assembled furnace heads, thereby causing fuel waste and safety accidents.

[0007] To achieve the above object, the present utility model provides the following technical solutions: An assembled open-hearth furnace head, including a connecting seat, a flange plate installed at the upper end of the connecting seat, and a number of assembled furnace heads installed on the flange plate. One side of the flange plate close to the connecting seat is connected with a lifting mechanism. The other end of the lifting mechanism penetrates through the flange plate and is connected with a sealing cover, and the sealing cover is sleeved outside the number of assembled furnace heads.

[0008] Further, the lifting mechanism includes a hydraulic rod, a support rod, and a connecting block. The outer wall of the hydraulic rod is fixedly connected to one side of the flange plate close to the connecting seat. The output end of the hydraulic rod is fixedly connected to one end of the support rod. The other end of the support rod penetrates through the flange plate and is fixedly connected to one side of the connecting block. One end of the connecting block is fixedly connected to the upper end of the outer wall of the sealing cover.

[0009] Further, a number of other connecting blocks are fixedly connected to the upper end of the outer wall of the sealing cover. One side of each of the number of other connecting blocks close to the flange plate is fixedly connected with an auxiliary sliding rod. The other ends of the number of auxiliary sliding rods all penetrate through the flange plate and are slidably connected to the inner wall of the flange plate.

[0010] Further, a sealing cavity is provided on the side of the flange plate away from the connecting seat. A sealing ring is fixedly connected to the side of the sealing cover close to the flange plate. The outer wall of the sealing ring is slidably connected to the inner wall of the sealing cavity.

[0011] Further, a number of sliding grooves are provided inside the sealing cavity. One side of each of the number of assembled furnace heads close to the flange plate is fixedly connected with a first magnetic block. The outer walls of the number of first magnetic blocks are respectively slidably connected to the inner walls of the number of sliding grooves.

[0012] Further, a number of second magnetic blocks are fixedly connected to the outside of the sealing cavity. The number of second magnetic blocks are respectively aligned with and matched with the number of first magnetic blocks, and the number of second magnetic blocks are respectively repulsive to the number of first magnetic blocks. The number of second magnetic blocks and the number of first magnetic blocks are respectively located on both sides of the sealing ring.

[0013] Further, an upper clamping ring is fixedly connected to the inner side of the upper end of the sealing cover. The outer side of the upper clamping ring abuts against the inner sides of the upper ends of the number of assembled furnace heads.

[0014] Further, a lower clamping ring is fixedly connected to the side of the flange plate away from the connecting seat. The outer side of the lower clamping ring abuts against the inner sides of the lower ends of the number of assembled furnace heads.

[0015] Further, a number of partition blocks are fixedly connected to the upper surface of the outer wall of the sealing cover.

[0016] Compared with the prior art, the present utility model has the following beneficial effects:

[0017] This assembled open-hearth furnace burner is provided with a lifting mechanism below the flange plate, and the lifting mechanism is connected to a sealing cover located above a number of assembled burners. After the user installs a number of assembled burners on the flange plate, the lifting mechanism can drive the sealing cover to descend, covering the number of assembled burners inside, thereby preventing fuel from flowing out through the gaps between the number of assembled burners, and thus avoiding fuel waste and even safety problems. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the overall appearance of the present utility model;

[0019] Figure 2 It is a schematic diagram of the overall appearance of another perspective of the present utility model;

[0020] Figure 3 It is a partial cross-sectional schematic diagram of the sealing cover of the present utility model;

[0021] Figure 4 For the present utility model Figure 3 An enlarged schematic diagram of part A;

[0022] Figure 5 It is a detailed connection schematic diagram of components such as the sealing cover, assembled burner, and lifting mechanism of the present utility model;

[0023] Figure 6 For the present utility model Figure 5 Another perspective schematic diagram of each component.

[0024] In the figure: 1. Connecting seat; 2. Flange plate; 3. Assembled burner; 4. Hydraulic rod; 5. Connecting block; 6. Auxiliary sliding rod; 7. Sealing cover; 8. Partition block; 9. Upper clamping ring; 10. Sealing ring; 11. First magnetic block; 12. Lower clamping ring; 13. Second magnetic block; 14. Support rod; 201. Sealing cavity; 202. Chute. Detailed Implementation Modes

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0026] Please refer to Figures 1 - 6 , an assembled open-hearth furnace burner, including a connecting seat 1, a flange plate 2 installed at the upper end of the connecting seat 1, and a number of assembled burners 3 installed on the flange plate 2. A lifting mechanism is connected to one side of the flange plate 2 close to the connecting seat 1. The other end of the lifting mechanism penetrates through the flange plate 2 and is connected to a sealing cover 7. The sealing cover 7 is sleeved outside the number of assembled burners 3.

[0027] The assembled open-hearth furnace burner in the present utility model is similar in structure to the existing open-hearth furnace burner, such as an easily replaceable open-hearth furnace burner disclosed in the patent with the publication number CN217442235U. As Figures 1 through 6 shown, after installing a number of assembled burners 3 on the flange 2 in the assembled open-hearth furnace burner of the present utility model, the lifting mechanism can drive the sealing cover 7 to descend, covering a number of assembled burners 3 inside, so that the fuel can only flow out from the inner ring of a number of assembled burners 3, rather than flowing out from the gaps between a number of assembled burners 3, thereby avoiding fuel waste and even potential safety problems.

[0028] As Figures 1 - 6 shown, the lifting mechanism includes a hydraulic rod 4, a support rod 14, and a connecting block 5. The outer wall of the hydraulic rod 4 is fixedly connected to one side of the flange 2 close to the connecting seat 1. The output end of the hydraulic rod 4 is fixedly connected to one end of the support rod 14. The other end of the support rod 14 penetrates through the flange 2 and is fixedly connected to one side of the connecting block 5. One end of the connecting block 5 is fixedly connected to the upper end of the outer wall of the sealing cover 7.

[0029] More specifically, when it is necessary to cover a number of assembled burners 3 inside, just turn on the hydraulic rod 4. After the hydraulic rod 4 is started, the output end retracts inward. While the output end retracts, it will pull the support rod 14 downward together. When the support rod 14 is pulled downward, it will drive the sealing cover 7 to move downward together through the connecting block 5, thereby covering a number of assembled burners 3 inside.

[0030] As Figures 1 - 6 shown, a number of other connecting blocks 5 are fixedly connected to the upper end of the outer wall of the sealing cover 7. One side of each of the other connecting blocks 5 close to the flange 2 is fixedly connected to an auxiliary sliding rod 6. The other ends of a number of auxiliary sliding rods 6 all penetrate through the flange 2 and are slidably connected to the inner wall of the flange 2.

[0031] More specifically, by providing the other connecting blocks 5 and the auxiliary sliding rods 6, it can assist the hydraulic rod 4 to retract and prevent the sealing cover 7 from tilting due to uneven force when descending.

[0032] As Figure 3 and Figure 4 shown, a sealing cavity 201 is formed on the side of the flange 2 away from the connecting seat 1. A sealing ring 10 is fixedly connected to the side of the sealing cover 7 close to the flange 2. The outer wall of the sealing ring 10 is slidably connected to the inner wall of the sealing cavity 201.

[0033] More specifically, by providing the sealing cavity 201 and the sealing ring 10, it can further prevent fuel from overflowing at the connection between the flange 2 and the sealing cover 7.

[0034] As Figure 3 and Figure 4As shown, a number of sliding grooves 202 are provided on the inner side of the sealing cavity 201. One side of a number of assembled burner heads 3 close to the flange 2 is fixedly connected with a number of first magnetic blocks 11, and the outer walls of the number of first magnetic blocks 11 are respectively slidably connected with the inner walls of the number of sliding grooves 202.

[0035] More specifically, by providing the sliding grooves 202 and the first magnetic blocks 11, when installing the number of assembled burner heads 3 on the flange 2, the first magnetic blocks 11 below the number of assembled burner heads 3 can be first placed in the sliding grooves 202, thereby avoiding the inaccurate alignment of the number of assembled burner heads 3, and further avoiding being blocked when the subsequent sealing cover 7 descends.

[0036] As Figure 5 and Figure 6 shown, a number of second magnetic blocks 13 are fixedly connected to the outer side of the sealing cavity 201. The number of second magnetic blocks 13 are respectively aligned with the number of first magnetic blocks 11, and the number of second magnetic blocks 13 are respectively repelled by the number of first magnetic blocks 11. The number of second magnetic blocks 13 and the number of first magnetic blocks 11 are respectively located on both sides of the sealing ring 10.

[0037] More specifically, by providing the second magnetic blocks 13, after placing the number of assembled burner heads 3 in the sliding grooves 202, the first magnetic blocks 11 below the number of assembled burner heads 3 can be automatically pressed tightly together under the repulsive action of the second magnetic blocks 13.

[0038] As Figure 5 and Figure 6 shown, an upper clamping ring 9 is fixedly connected to the inner side of the upper end of the sealing cover 7, and the outer side of the upper clamping ring 9 abuts against the inner sides of the upper ends of the number of assembled burner heads 3. A lower clamping ring 12 is fixedly connected to the side of the flange 2 away from the connecting seat 1, and the outer side of the lower clamping ring 12 abuts against the inner sides of the lower ends of the number of assembled burner heads 3.

[0039] More specifically, by providing the upper clamping ring 9 and the lower clamping ring 12, the upper and lower ends of the number of assembled burner heads 3 can cooperate with the sealing cover 7 to perform a clamping action, thereby increasing the fixing stability of the number of assembled burner heads 3.

[0040] As Figure 1 、 Figure 3 and Figure 6 shown, a number of partition blocks 8 are fixedly connected to the upper surface of the outer wall of the sealing cover 7.

[0041] More specifically, by providing the partition blocks 8, a space can be separated at the upper end of the sealing cover 7, which is convenient for the entry and exit of oxygen.

[0042] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An assembled open-hearth furnace burner, comprising a connecting seat (1), a flange plate (2) installed at the upper end of the connecting seat (1), and a plurality of assembled burners (3) installed on the flange plate (2), characterized in that: One side of the flange plate (2) close to the connecting seat (1) is connected with a lifting mechanism. The other end of the lifting mechanism penetrates through the flange plate (2) and is connected with a sealing cover (7). The sealing cover (7) is sleeved outside a plurality of assembled burner heads (3).

2. The assembled open-hearth furnace burner according to claim 1, wherein: The lifting mechanism includes a hydraulic rod (4), a support rod (14) and a connecting block (5). The outer wall of the hydraulic rod (4) is fixedly connected with one side of the flange plate (2) close to the connecting seat (1). The output end of the hydraulic rod (4) is fixedly connected with one end of the support rod (14). The other end of the support rod (14) penetrates through the flange plate (2) and is fixedly connected with one side of the connecting block (5). One end of the connecting block (5) is fixedly connected with the upper end of the outer wall of the sealing cover (7).

3. The assembled open-hearth burner head according to claim 2, characterized in that: A plurality of other connecting blocks (5) are fixedly connected with the upper end of the outer wall of the sealing cover (7). One side of each of the plurality of other connecting blocks (5) close to the flange plate (2) is fixedly connected with an auxiliary sliding rod (6). The other ends of the plurality of auxiliary sliding rods (6) all penetrate through the flange plate (2) and are slidably connected with the inner wall of the flange plate (2).

4. An assembled open-hearth burner according to claim 1, 2 or 3, characterized in that: A sealing cavity (201) is formed on one side of the flange plate (2) away from the connecting seat (1). A sealing ring (10) is fixedly connected with one side of the sealing cover (7) close to the flange plate (2). The outer wall of the sealing ring (10) is slidably connected with the inner wall of the sealing cavity (201).

5. The assembled open-hearth burner head according to claim 4, characterized in that: A plurality of sliding grooves (202) are formed inside the sealing cavity (201). One side of each of the plurality of assembled burner heads (3) close to the flange plate (2) is fixedly connected with a first magnetic block (11). The outer walls of the plurality of first magnetic blocks (11) are respectively slidably connected with the inner walls of the plurality of sliding grooves (202).

6. The assembled open-hearth burner according to claim 5, wherein: A plurality of second magnetic blocks (13) are fixedly connected with the outside of the sealing cavity (201). The plurality of second magnetic blocks (13) are respectively aligned with and repel the plurality of first magnetic blocks (11). The plurality of second magnetic blocks (13) and the plurality of first magnetic blocks (11) are respectively located on both sides of the sealing ring (10).

7. An assembled open-hearth burner according to claim 1, 2, 3, 5 or 6, characterized in that: An upper clamping ring (9) is fixedly connected with the inner side of the upper end of the sealing cover (7). The outer side of the upper clamping ring (9) abuts against the inner sides of the upper ends of the plurality of assembled burner heads (3).

8. An assembled open-hearth burner according to claim 1, 2, 3, 5 or 6, characterized in that: A lower clamping ring (12) is fixedly connected with one side of the flange plate (2) away from the connecting seat (1). The outer side of the lower clamping ring (12) abuts against the inner sides of the lower ends of the plurality of assembled burner heads (3).

9. An assembled open-hearth furnace burner according to claim 1, 2, 3, 5 or 6, characterized in that: A plurality of partition blocks (8) are fixedly connected with the upper surface of the outer wall of the sealing cover (7).

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