Coke oven door sealing structure easy to maintain

Abstract

The invention discloses a coke oven door sealing structure easy to maintain, and relates to the technical field of coke oven door equipment.The coke oven door sealing structure comprises a connecting frame, a door frame is connected to one side of the connecting frame through a rotating assembly, a locking assembly used in cooperation is arranged between one end of the door frame and the connecting frame, a guide frame is arranged in the middle of the door frame, and a sealing block is movably clamped in the guide frame; belleville springs are fixed to the four corners of the outward side of the sealing block, the ends, away from the sealing block, of the four belleville springs are connected with adjusting assemblies, the outward side of the guide frame is connected with a supporting frame, the adjusting assemblies are connected to the supporting frame, and a protruding edge is arranged on the outward side of the connecting frame. According to the sealing device, the belleville spring provides rebound force, and the sealing block is assisted to abut against the protruding edge to achieve sealing; when the sealing block is abraded, the adjusting plate can be pushed to move by screwing the adjusting screw rod, the compression amount of the belleville spring is increased, the gap is automatically compensated by means of bounce, the sealing effect is guaranteed, gas leakage is avoided, and the cooling fins and the first cooling holes can assist in cooling of the sealing block.

Description

TECHNICAL FIELD

[0001] The present application relates to coke oven door equipment technical field, especially to an easy-to-maintain coke oven door sealing structure. BACKGROUND

[0002] The coke oven door as a key component of the coke oven, its sealing performance directly affects the production efficiency and environmental protection indicators of the coke oven. The existing coke oven door sealing structure adopts the design of the integral sealing frame and the fixed connection of the door body. Under the long-term high temperature, dust and mechanical vibration working conditions, the sealing element is easy to wear, age or deform, resulting in sealing failure.

[0003] However, the existing structure has the following defects: lack of sealing gap self-adaptive adjusting mechanism, when the door is deformed by heat or the sealing element is worn, the gap cannot be compensated in real time, and gas leakage is easy to occur. Therefore, the present application provides an easy-to-maintain coke oven door sealing structure. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides an easy-to-maintain coke oven door sealing structure. The disc spring provides a rebound force to assist the sealing block and the convex edge to abut tightly to achieve sealing. When the sealing block is worn, the adjusting screw can be twisted to move the adjusting plate, increase the compression amount of the disc spring, and automatically compensate the gap with the rebound force to ensure the sealing effect and avoid gas leakage. The heat dissipation fins and the first heat dissipation holes can assist the sealing block to dissipate heat, overcoming the deficiencies of the prior art.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] An easy-to-maintain coke oven door sealing structure, comprising a connecting frame, a door frame connected to one side of the connecting frame through a rotating assembly, a locking assembly arranged in cooperation between one end of the door frame and the connecting frame, a guide frame arranged in the middle of the door frame, a sealing block movably clamped in the guide frame, a disc spring fixed to each of the four corners of the outer side of the sealing block, an adjusting assembly connected to the end of the four disc springs away from the sealing block, a support frame connected to the outer side of the guide frame, the adjusting assembly connected to the support frame, a convex edge arranged on the outer side of the connecting frame, and heat dissipation fins arranged at equal distances in the middle of the outer side of the sealing block.

[0007] As a further scheme of the present application, the adjusting assembly comprises an adjusting plate connected to the end of the four disc springs away from the sealing block, a adjusting screw rotatably connected to the middle of the adjusting plate through a bearing, and a U-shaped fixing seat screwed on the adjusting screw.

[0008] As a further further scheme of the present application: the support frame comprises four connecting columns fixed at the four corners of the outward side of the guide frame, a rectangular frame is sleeved on the four connecting columns, a support pipe is sleeved on the part of the four connecting columns between the guide frame and the rectangular frame, and a first nut is screwed on the end of each connecting column.

[0009] As a further further scheme of the present application: the two ends of the U-shaped fixing seat are fixedly connected with the two ends of the rectangular frame.

[0010] As a further further scheme of the present application: the side of the adjusting plate is provided with a first heat dissipation hole.

[0011] As a further further scheme of the present application: the rotating assembly comprises two first connecting blocks symmetrically arranged at one end of the door frame, two second connecting blocks symmetrically fixed on one side of the connecting frame, a connecting pin fixed on the two second connecting blocks, and the two first connecting blocks are rotatably connected with the upper and lower ends of the connecting pin, respectively.

[0012] As a further further scheme of the present application: the locking assembly comprises a clamping block fixed at the other end of the door frame, a U-shaped seat fixed on the other side of the connecting frame, a locking rod rotatably connected with the U-shaped seat through a pin shaft, a second nut screwed on the locking rod, a clamping hole arranged on the clamping block, and the locking rod and the clamping hole form a clamping fit.

[0013] As a further further scheme of the present application: screw holes are formed at equal distances on the two sides of the U-shaped fixing seat, and an L-shaped elastic protection plate is screwed on each screw hole through a bolt.

[0014] As a further further scheme of the present application: a second heat dissipation hole is arranged at equal distances on each L-shaped elastic protection plate.

[0015] As a further further scheme of the present application: a sealing ring is arranged on the other side of the connecting frame, and mounting holes are arranged at the four corners of the connecting frame.

[0016] The present application has the following advantages:

[0017] 1. The disc spring provides a rebound force, which assists the sealing block and the convex edge to tightly abut to realize sealing. When the sealing block is worn, the adjusting plate can be moved by screwing the adjusting screw rod, the compression amount of the disc spring is increased, the gap is automatically compensated by the rebound force, the sealing effect is guaranteed, gas leakage is avoided, and the sealing block can be cooled by the heat dissipation fins and the first heat dissipation hole.

[0018] 2. The L-shaped elastic protection plate can buffer the impact force and reduce the damage degree of the furnace door. The second heat dissipation hole of the L-shaped elastic protection plate also has an auxiliary heat dissipation function. The mounting holes at the four corners of the connecting frame facilitate fixation, and the sealing ring can guarantee the sealing property of the connection between the connecting frame and the furnace body. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A first perspective view of an easy-to-maintain coke oven door sealing structure according to the present application.

[0020] Figure 2 A second perspective view of an easy-to-maintain coke oven door sealing structure according to the present application.

[0021] Figure 3 A first partial view of an easy-to-maintain coke oven door sealing structure according to the present application.

[0022] Figure 4 A partial cross-sectional view of an easy-to-maintain coke oven door sealing structure according to the present application.

[0023] Figure 5 A second partial view of an easy-to-maintain coke oven door sealing structure according to the present application.

[0024] Figure 6 A third perspective view of an easy-to-maintain coke oven door sealing structure according to the present application. Figure 2 An enlarged view of position A in the above figure.

[0025] In the figure: 1, connecting frame; 2, connecting pin; 3, second connecting block; 4, L-shaped elastic protection plate; 5, adjusting screw; 6, U-shaped fixing seat; 7, door frame; 8, clamping block; 9, second nut; 10, locking rod; 11, U-shaped seat; 12, convex edge; 13, first connecting block; 14, guide frame; 15, sealing block; 16, adjusting plate; 17, first heat dissipation hole; 18, rectangular frame; 19, disc spring; 20, first nut; 21, support tube; 22, second heat dissipation hole; 23, mounting hole; 24, sealing ring; 25, threaded hole; 26, bayonet; 27, heat dissipation fin; 28, connecting column. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application.

[0027] Embodiment 1, refer to Figures 1-6The utility model provides a maintainable coke oven door seal structure, including the connecting frame 1, one side of connecting frame 1 is connected with door frame 7 through rotating component, and the lock component that is used in cooperation is arranged between one end of door frame 7 and connecting frame 1, the middle part of door frame 7 is provided with guide frame 14, and the sealing block 15 is movably clamped in guide frame 14, and the four corners of the outward side of sealing block 15 are all fixed with disc spring 19, and the one end of four disc springs 19 away from sealing block 15 is connected with adjusting component, the outward side of guide frame 14 is connected with support frame, and adjusting component is connected on support frame, the outward side of connecting frame 1 is provided with convex edge 12, and the middle part of the outward side of sealing block 15 is provided with heat dissipation fin 27 at equal distance.

[0028] Adjusting component includes adjusting plate 16 connected at the one end of four disc springs 19 away from sealing block 15, and the middle part of adjusting plate 16 is rotatably connected with adjusting screw 5 through bearing, and U-shaped fixed seat 6 is screwed on adjusting screw 5, and the side of adjusting plate 16 is provided with first heat dissipation hole 17.

[0029] Support frame includes four connecting columns 28 fixed at the four corners of the outward side of guide frame 14, and rectangular frame 18 is sleeved on four connecting columns 28, and support pipe 21 is sleeved on the part between guide frame 14 and rectangular frame 18 of four connecting columns 28, and first nut 20 is screwed on the end of four connecting columns 28, and the both ends of U-shaped fixed seat 6 are fixedly connected with the both ends of rectangular frame 18.

[0030] Rotating component includes two first connecting blocks 13 symmetrically arranged at one end of door frame 7, and one side of connecting frame 1 is fixedly provided with two second connecting blocks 3, and connecting pin 2 is fixed on two second connecting blocks 3, and two first connecting blocks 13 are rotatably connected with the upper and lower ends of connecting pin 2 respectively.

[0031] Lock component includes clamping block 8 fixed at the other end of door frame 7, and U-shaped seat 11 is fixed on the other side of connecting frame 1, and lock rod 10 is rotatably connected on U-shaped seat 11 through pin shaft, and second nut 9 is screwed on lock rod 10, and clamping block 8 is provided with bayonet 26, and lock rod 10 and bayonet 26 form clamping cooperation.

[0032] The other side of connecting frame 1 is provided with sealing ring 24, and mounting hole 23 is arranged at the four corners of connecting frame 1, and connecting frame 1 can be installed at the door hole of coke oven by bolt from mounting hole 23, and the sealing effect of connecting frame 1 and furnace body can be guaranteed by the sealing ring 24 arranged.

[0033] After the door frame 7 is closed, the locking lever 10 is rotated and clamped into the clamping hole 26, the second nut 9 is tightened to make the second nut 9 abut against the clamping block 8, the door frame 7 is tightly closed, the sealing block 15 and the guide frame 14 abut against the convex edge 12, the disc spring 19 is compressed, the rebound force provided by the disc spring 19 helps the sealing block 15 abut against the convex edge 12, the sealing is realized, even if the sealing block 15 is worn, the adjusting plate 16 can be moved towards the furnace body by rotating the adjusting screw 5, the compression amount of the disc spring 19 is increased, the automatic compensation is realized by the rebound force provided by the disc spring 19, the sealing effect is ensured, and the heat of the sealing block 15 is assisted by the heat dissipation fins 27 and the first heat dissipation holes 17.

[0034] Embodiment 2, the embodiment is optimized on the basis of embodiment 1, specifically:

[0035] The U-shaped fixing seat 6 is uniformly provided with screw holes 25 on both sides, and each screw hole 25 is provided with an L-shaped elastic protection plate 4 through a bolt.

[0036] When foreign matters collide, the L-shaped elastic protection plate 4 can greatly prevent the whole furnace door from being collided, the L-shaped elastic protection plate 4 bears the impact force and buffers the impact degree, effectively reduces the damage degree of the furnace door, reduces the loss, and the second heat dissipation holes 22 on the L-shaped elastic protection plate 4 help heat dissipation.

[0037] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A maintenance-friendly coke oven door seal structure comprising a connecting frame (1), characterized in that, One side of the connecting frame (1) is connected with a door frame (7) through a rotating assembly, one end of the door frame (7) is provided with a locking assembly matched with the connecting frame (1), the middle part of the door frame (7) is provided with a guide frame (14), the guide frame (14) movably clamps a sealing block (15), the outer side of the sealing block (15) is fixed with a disc spring (19) at four corners, the four disc springs (19) are connected with an adjusting assembly at the end away from the sealing block (15), the outer side of the guide frame (14) is connected with a support frame, the adjusting assembly is connected on the support frame, the outer side of the connecting frame (1) is provided with a convex edge (12), and the outer side of the sealing block (15) is provided with a heat dissipation fin (27) at the middle part.

2. A maintenance friendly coke oven door seal structure according to claim 1, characterized in that The adjusting assembly comprises an adjusting plate (16) connected at the end of the four disc springs (19) away from the sealing block (15), the middle part of the adjusting plate (16) is rotatably connected with an adjusting screw (5) through a bearing, and the adjusting screw (5) is screwed with a U-shaped fixing seat (6).

3. A maintenance friendly coke oven door seal structure according to claim 2, characterized in that The support frame comprises four connecting columns (28) fixed at the four corners of the outer side of the guide frame (14), the four connecting columns (28) are sleeved with a rectangular frame (18), and the positions of the four connecting columns (28) between the guide frame (14) and the rectangular frame (18) are sleeved with a support pipe (21), and the end portions of the four connecting columns (28) are screwed with first nuts (20).

4. A maintenance friendly coke oven door seal structure according to claim 3, characterized in that Both ends of the U-shaped fixing seat (6) are fixedly connected with both ends of the rectangular frame (18).

5. A maintenance friendly coke oven door seal structure according to claim 3, characterized in that The side of the adjusting plate (16) is provided with a first heat dissipation hole (17).

6. A maintenance friendly coke oven door seal structure according to claim 1, characterized in that The rotating assembly comprises two first connecting blocks (13) symmetrically arranged at one end of the door frame (7), one side of the connecting frame (1) is symmetrically fixed with two second connecting blocks (3), the two second connecting blocks (3) are fixed with a connecting pin (2), and the two first connecting blocks (13) are rotatably connected with the upper and lower ends of the connecting pin (2) respectively.

7. A maintenance friendly coke oven door seal structure according to claim 6, characterized in that The locking assembly comprises a clamping block (8) fixed at the other end of the door frame (7), the other side of the connecting frame (1) is fixed with a U-shaped seat (11), the U-shaped seat (11) is rotatably connected with a locking rod (10) through a pin shaft, the locking rod (10) is screwed with a second nut (9), the clamping block (8) is provided with a clamping hole (26), and the locking rod (10) and the clamping hole (26) form clamping cooperation.

8. A maintenance friendly coke oven door seal structure according to claim 4, characterized in that Both sides of the U-shaped fixing seat (6) are equally provided with screw holes (25), and each screw hole (25) is screwed with an L-shaped elastic protection plate (4) through a bolt.

9. A maintenance friendly coke oven door seal structure as claimed in claim 1, wherein, Each L-shaped elastic protection plate (4) is provided with a second heat dissipation hole (22) at equal intervals.

10. A maintenance friendly coke oven door seal structure as claimed in claim 1, wherein, The other side of the connecting frame (1) is provided with a sealing ring (24), and the four corners of the connecting frame (1) are provided with mounting holes (23).

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