Coke oven door sealing device
By designing a combination of sealing grooves and sealing mechanisms in a coke oven machine, using the deformation of the rubber sealing ring and elastic plate, combined with the mechanical linkage of the thermal frame and the telescopic rod, the problem of poor sealing of the furnace door sealing device of the existing coke oven machine is solved, and higher sealing and resource utilization are achieved.
Patent Information
- Application Number
- CN202411846427.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2044-12-16
AI Technical Summary
The existing coke oven door sealing device has poor sealing properties, low resource utilization, and prone to smoke and fire.
A coke oven door sealing device is designed, using a combination of a sealing groove and a sealing mechanism. Through the deformation of the rubber sealing ring and elastic plate in the sealing groove, the blade edge is ensured to be in close contact and snapped into the sealing groove, and the mechanical linkage between the thermal conduction frame and the telescopic rod is improved.
It effectively improves the sealing between the furnace door and the furnace door frame, reduces the phenomenon of smoke and fire, improves resource utilization, and enhances the mechanical linkage and installation stability of the device.
Smart Images

Figure CN119331630B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of coke oven machines, and in particular to a coke oven door sealing device. Background Art
[0002] The sealing of the coke oven door mainly relies on the rigid contact between the knife edge and the door frame. When a gap appears between the knife edge and the door frame, the seal will not be tight, smoke and fire will leak out, seriously polluting the on-site environment and aggravating the damage to the furnace protection iron parts.
[0003] The contact between the knife edge and the door frame of the existing coke oven door sealing device will result in poor sealing after the door is installed due to the uneven contact surface, resulting in low resource utilization. Summary of the invention
[0004] In order to improve the sealing between the oven door and the oven door frame and increase resource utilization, the present application provides a coke oven door sealing device.
[0005] The present application provides a coke oven door sealing device, which adopts the following technical solution:
[0006] A coke oven door sealing device, comprising:
[0007] A furnace door frame, wherein the four side walls of the furnace door frame are provided with sealing grooves, and the four sealing grooves are all on the same horizontal plane;
[0008] A furnace door, wherein the furnace door cover is arranged on the furnace door frame;
[0009] A sealing mechanism, wherein the sealing mechanism is installed on the furnace door, the sealing mechanism is connected to the furnace door frame, and the sealing mechanism is used to seal the furnace door;
[0010] A fixing mechanism is installed at one end of the furnace door away from the furnace door frame, the fixing mechanism is connected to the furnace door frame, and the fixing mechanism is used to fix the furnace door on the furnace door frame.
[0011] By adopting the above technical solution, the furnace door cover is arranged on the furnace door frame, and the fixing mechanism works to fix the furnace door and the furnace door frame. The sealing mechanism seals the furnace door and the furnace door frame through the sealing groove, thereby improving the sealing between the furnace door and the furnace door frame and increasing resource utilization.
[0012] Optionally, the sealing mechanism includes:
[0013] Two first elastic plates, the two first elastic plates are symmetrically and fixedly connected to one end of the furnace door close to the furnace door frame;
[0014] Two second elastic plates, the two second elastic plates are symmetrically and fixedly connected to one end of the furnace door close to the furnace door frame, and the length direction of the second elastic plate is perpendicular to the length direction of the first elastic plate;
[0015] Four fixing plates, one end of each of the four fixing plates being fixedly connected to one end of each of the two first elastic plates away from the furnace door and one end of each of the two second elastic plates away from the furnace door, and the axis of the top wall of each fixing plate being parallel to the plane where the side walls of the first elastic plate and the second elastic plate are located;
[0016] a knife edge, the knife edge being fixedly connected to an end of the fixing plate away from the first elastic plate and the second elastic plate;
[0017] Four rubber sealing blocks, the four rubber sealing blocks are evenly arranged and fixedly connected to the bottom wall of the furnace door, and the rubber sealing blocks are fixedly connected to the ends of the first elastic plate and the second elastic plate that are close to each other;
[0018] A clamping assembly is installed on the furnace door and is used to press the knife edge into the sealing groove.
[0019] By adopting the above technical solution, the fastening assembly drives the fixing rod to move, the first elastic plate and the second elastic plate are deformed, the fixing plate clamps the knife edge into the sealing groove, and the rubber sealing block seals both ends of the first elastic plate and the second elastic plate, thereby improving the sealing between the furnace door and the furnace door frame and increasing resource utilization.
[0020] Optionally, the pressing assembly includes:
[0021] A heat-conducting frame, wherein the heat-conducting frame is fixedly connected to the furnace door;
[0022] A plurality of telescopic rods, wherein the fixed ends of the plurality of telescopic rods are evenly arranged on the inner wall of the heat-conducting frame, and the movable ends of the telescopic rods are in contact with an end of the fixing plate away from the knife edge;
[0023] A spring is sleeved on the movable end of the telescopic rod, one end of the spring is connected to the fixed end of the telescopic rod, and the other end of the spring is fixedly connected to the movable end of the telescopic rod.
[0024] By adopting the above technical solution, the temperature on the oven door is conducted to the heat-conducting frame. The temperature of the heat-conducting frame increases, causing the air in the fixed end of the telescopic rod to expand. The telescopic rod extends to push the fixed plate to move, providing driving force for the fixed plate, thereby improving the mechanical linkage of the coke oven door frame sealing device.
[0025] Optionally, the fixing mechanism includes:
[0026] A fastening block, the fastening block being fixedly connected to an end of the furnace door away from the furnace door frame;
[0027] Two screws, the two screws are symmetrically arranged and slidably connected to the two ends of the fastening block, and the screws are threadedly connected to the furnace door frame;
[0028] A driving assembly is installed on the fastening block, the driving assembly is connected to the screw rod, and the driving assembly is used to drive the screw rod to fasten.
[0029] By adopting the above technical solution, the movement of the driving mechanism drives the two screws to tighten, and the furnace door and the furnace door frame are fastened, thereby improving the installation stability of the furnace door and the furnace door frame.
[0030] Optionally, the driving component includes:
[0031] A rotating column, one end of which is rotatably connected to an end of the fastening block away from the furnace door;
[0032] A rotating wheel, the rotating wheel is rotatably connected to an end of the rotating column away from the fastening block;
[0033] A driving sprocket, the driving sprocket is coaxially sleeved and fixedly connected to the rotating column;
[0034] Two driven sprockets, the two driven sprockets are respectively coaxially sleeved and fixedly connected to the two screw rods, the driven sprockets are slidably connected to the screw rods, and the driven sprockets are rotatably connected to the fastening block;
[0035] Two chains, one end of the two chains is meshed and connected with the driving sprockets respectively, and the other end of the two chains is meshed and connected with the two driven sprockets respectively.
[0036] By adopting the above technical solution, the rotation of the rotating wheel drives the rotating column to rotate, the rotation of the rotating column drives the driving sprocket to rotate, the rotation of the driving sprocket drives the chain to rotate, the rotation of the chain drives the driven sprocket to rotate, and the rotation of the driven sprocket drives the screw to rotate, providing driving force for the screw, thereby increasing the mechanical linkage of the coke oven door sealing device.
[0037] Optionally, a plurality of heat-insulating sleeves are fixedly connected to the rotating wheel.
[0038] By adopting the above technical solution, the heat insulating sleeve prevents the staff from being burned by the high temperature when rotating the wheel, thereby improving the safety of the operators.
[0039] Optionally, a rubber sealing ring is fixedly connected to the bottom wall of the sealing groove.
[0040] By adopting the above technical solution, the knife edge enters the sealing groove to squeeze the rubber sealing ring, thereby improving the sealing performance of the sealing groove, increasing the sealing performance of the furnace door and the furnace door frame, and increasing resource utilization.
[0041] Optionally, an auxiliary component is fixedly mounted on the furnace door, and the auxiliary component includes:
[0042] A sealed inner frame, wherein the sealed inner frame is fixedly connected to the furnace door;
[0043] An annular sealing gasket, wherein the inner wall of the annular sealing gasket is fixedly connected to the peripheral side wall of the sealing inner frame, and the peripheral side wall of the annular sealing gasket is tightly fitted with the inner wall of the furnace door frame.
[0044] By adopting the above technical solution, the annular sealing gasket allows the furnace door and the inner wall of the furnace door frame to fit tightly, thereby improving the sealing of the furnace door and the furnace door frame and increasing resource utilization.
[0045] Optionally, two adjacent fixed ends of the telescopic rods are connected.
[0046] By adopting the above technical solution, the telescopic rods are interconnected, the synchronization of the extension of the telescopic rods is improved, and the sealing between the furnace door and the furnace door frame is improved.
[0047] Optionally, a pressure relief valve is fixedly connected to the side wall of the heat-conducting frame, and the pressure relief valve is communicated with the fixed end of the telescopic rod on the inner wall of the side wall of the heat-conducting frame where the pressure relief valve is located.
[0048] By adopting the above technical solution, the pressure relief valve is opened, air enters the fixed end of the telescopic rod, and the spring applies a force to the movable end of the telescopic rod and the fixed end of the telescopic rod to move closer to each other, so that the telescopic rod contracts, making it easier to open the furnace door.
[0049] In summary, the present application includes at least one of the following beneficial technical effects:
[0050] 1. The fastening assembly drives the fixing rod to move, the first elastic plate and the second elastic plate are deformed, the fixing plate inserts the knife edge into the sealing groove, and the rubber sealing block seals both ends of the first elastic plate and the second elastic plate, thereby improving the sealing between the furnace door and the furnace door frame and increasing resource utilization;
[0051] 2. The temperature on the furnace door is transferred to the heat-conducting frame. The temperature of the heat-conducting frame increases, causing the air in the fixed end of the telescopic rod to expand. The telescopic rod extends and pushes the fixed plate to move. The movement of the fixed plate drives the knife edge to get stuck in the sealing groove, so that the furnace door and the furnace door frame are sealed, improving the sealing between the furnace door and the furnace door frame and increasing resource utilization;
[0052] 3. The rotation of the rotating wheel drives the rotating column to rotate, the rotation of the rotating column drives the driving sprocket to rotate, the rotation of the driving sprocket drives the chain to rotate, the rotation of the chain drives the driven sprocket to rotate, the rotation of the driven sprocket drives the screw to rotate, the screw is tightened, the furnace door and the furnace door frame are tightened, and the installation stability of the furnace door and the furnace door frame is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0053] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application;
[0054] Figure 2 is a cross-sectional view of an embodiment of the present application;
[0055] Figure 3 It is a cross-sectional view showing a fastening assembly according to an embodiment of the present application.
[0056] Description of reference numerals:
[0057] 1. Furnace door frame; 11. Sealing groove; 12. Rubber sealing ring; 2. Furnace door; 3. Sealing mechanism; 31. First elastic plate; 32. Second elastic plate; 33. Fixed plate; 34. Knife edge; 35. Rubber sealing block; 361. Heat-conducting frame; 362. Telescopic rod; 363. Spring; 364. Pressure relief valve; 4. Fixing mechanism; 41. Fastening block; 42. Screw; 431. Rotating wheel; 4311. Insulating sleeve; 432. Rotating column; 433. Driving sprocket; 434. Driven sprocket; 435. Chain; 5. Auxiliary components; 51. Sealing inner frame; 52. Ring sealing gasket. DETAILED DESCRIPTION
[0058] The following is combined with Figure 1-3 This application is described in further detail.
[0059] The embodiment of the present application discloses a coke oven door sealing device.
[0060] Reference Figure 1 and Figure 2 The coke oven door sealing device comprises an oven door frame 1. The four side walls of the oven door frame 1 close to the top wall are all provided with sealing grooves 11. The four sealing grooves 11 are on the same horizontal plane. A rubber sealing ring 12 is fixedly connected in the sealing groove 11. The top wall cover of the oven door frame 1 is provided with an oven door 2. A sealing mechanism 3 is installed on the bottom wall of the oven door 2. The sealing mechanism 3 is connected with a fixing mechanism 4. The fixing mechanism 4 is installed on the bottom wall of the oven door 2. An auxiliary component 5 is installed on the oven door 2. The auxiliary component 5 is connected to the oven door frame 1.
[0061] The furnace door 2 is covered on the furnace door frame 1, the fixing mechanism 4 fixes the furnace door 2, the sealing mechanism 3 acts on the sealing groove 11 to squeeze the rubber sealing ring 12 so that the furnace door 2 and the furnace door frame 1 are sealed, and the auxiliary component 5 improves the sealing of the furnace door 2 to the furnace door frame 1, improves the sealing between the furnace door 2 and the furnace door frame 1, and increases resource utilization.
[0062] Reference Figure 2 and Figure 3The sealing mechanism 3 includes two first elastic plates 31, the first elastic plates 31 are symmetrically and fixedly connected to the bottom wall of the furnace door 2, the bottom wall of the furnace door 2 is fixedly connected to the second elastic plate 32, the second elastic plate 32 is symmetrically fixedly connected to the bottom plate of the furnace door 2, the length direction of the second elastic plate 32 is perpendicular to the length direction of the first elastic plate 31, the two first elastic plates 31 and the two second elastic plates 32 are fixedly connected to the ends away from the furnace door 2 with a fixing plate 33, the end of the fixing plate 33 close to the furnace door frame 1 is fixedly connected with a knife edge 34, and the end of the fixing plate 33 away from the knife edge 34 is connected to a clamping assembly, and the top wall of four rubber sealing blocks 35 are evenly fixedly connected to the furnace door 2, the rubber sealing block 35 is L-shaped, and the side wall of one end of the rubber sealing block 35 is fixedly connected to the side wall of the first elastic plate 31 close to the door frame, and the side wall of the other end of the rubber sealing block 35 is fixedly connected to the side wall of the second elastic plate 32 close to the furnace door frame 1.
[0063] Reference Figure 2 and Figure 3 The pressing assembly includes a heat-conducting frame 361, the inner wall of the heat-conducting frame 361 is fixedly connected to the peripheral side wall of the furnace door 2, and eight telescopic rods 362 are evenly arranged on the inner wall of the heat-conducting frame 361. The fixed end of the telescopic rod 362 is fixedly connected to the inner wall of the heat-conducting frame 361, and the movable end of the telescopic rod 362 abuts against the end of the fixed plate 33 away from the knife edge 34. The fixed ends of two adjacent telescopic rods 362 are connected to each other away from the movable end, and a spring 363 is sleeved on the movable end of the telescopic rod 362. The spring 36 One end of the spring 363 is fixedly connected to the end of the fixed end of the telescopic rod 362 close to the movable end, the other end of the spring 363 is fixedly connected to the movable end of the telescopic rod 362, the axis of the telescopic rod 362 is parallel to the plane where the bottom wall of the furnace door 2 is located, and the ends of the fixed ends of two adjacent telescopic rods 362 away from the movable end are connected, and a pressure relief valve 364 is fixedly connected to the side wall of the heat conduction frame 361, and the pressure relief valve 364 is connected to the fixed ends of the two telescopic rods 362 on the inner wall of the side wall where the pressure relief valve 364 is located, away from the movable end.
[0064] The increase in the temperature of the furnace door 2 causes the temperature of the heat conducting frame 361 to increase. The increase in the temperature of the heat conducting frame 361 causes the air in the fixed end of the telescopic rod 362 to expand, causing the telescopic rod 362 to extend. The extension of the telescopic rod 362 pushes the fixed plate 33 to move, and the first elastic plate 31 and the second elastic plate 32 are deformed. The movement of the fixed plate 33 drives the knife edge 34 to move. The knife edge 34 moves into the sealing groove 11 to squeeze the rubber sealing ring 12, so that the furnace door 2 and the furnace door frame 1 are sealed. The telescopic rods 362 are interconnected, which improves the synchronization of the extension of the telescopic rod 362, improves the sealing of the furnace door 2 and the furnace door frame 1, and improves the utilization rate of resources. The pressure relief valve 364 is opened, and air enters the fixed end of the telescopic rod 362. The spring 363 gives a force to the movable end of the telescopic rod 362 and the fixed end of the telescopic rod 362 to approach each other, so that the telescopic rod 362 contracts, which facilitates the opening of the furnace door 2.
[0065] Reference Figure 2 and Figure 3 The fixing mechanism 4 includes a fastening block 41, which is fixedly connected to one end of the furnace door 2 away from the furnace door frame 1. Screws 42 are symmetrically arranged and slidably connected at both ends of the fastening block 41. One end of the screw 42 is threadedly connected to the top wall of the furnace door frame 1. A driving assembly is installed on the fastening block 41, and the driving assembly is connected to the screw 42.
[0066] Reference Figure 2 and Figure 3 The driving assembly includes a rotating column 432, one end of which is rotatably connected to the end of the fastening block 41 away from the furnace door 2, and the other end of the rotating column 432 is coaxially and fixedly connected with a rotating wheel 431, and three heat insulation sleeves 4311 are fixedly connected to the rotating wheel 431. A driving sprocket 433 is coaxially sleeved and fixedly connected on the rotating column 432, and one end of two chains 435 are meshed and connected to the driving sprocket 433, and the other ends of the two chains 435 are respectively meshed and connected with driven sprockets 434. A sliding groove is provided on the two screws 42, and the length direction of the sliding groove is parallel to the axial direction of the screw 42. The two driven sprockets 434 are coaxially sleeved and fixedly connected to the two screws 42, and the driven sprocket 434 is slidably connected in the sliding groove, and the driven sprocket 434 is rotatably connected to the fastening block 41.
[0067] The furnace door 2 is installed on the furnace door frame 1, the screw 42 is in contact with the furnace door frame 1, the rotation of the rotating wheel 431 drives the rotating column 432 to rotate, the rotation of the rotating column 432 drives the driving sprocket 433 to rotate, the rotation of the driving sprocket 433 drives the chain 435 to rotate, the rotation of the chain 435 drives the driven sprocket 434 to rotate, the rotation of the driven sprocket 434 drives the screw 42 to rotate, so that the screw 42 is tightened, so that the furnace door 2 and the furnace door frame 1 are fastened, and the installation stability of the furnace door 2 and the furnace door frame 1 is improved. The heat insulation sleeve 4311 prevents burns due to high temperature when the rotating wheel 431 is rotated, thereby improving the safety of the operator.
[0068] Reference Figure 2 and Figure 3 The auxiliary component 5 includes a sealing inner frame 51, the top wall of the sealing inner frame 51 is fixedly connected to the bottom wall of the furnace door 2, and the peripheral side wall of the sealing inner frame 51 is fixedly connected to the inner wall of the annular sealing gasket 52, and the peripheral side wall of the annular sealing gasket 52 is tightly fitted with the inner wall of the furnace door frame 1.
[0069] The annular sealing gasket 52 allows the furnace door 2 and the inner wall of the furnace door frame 1 to fit tightly together, thereby improving the sealing performance of the furnace door 2 and the furnace door frame 1 and increasing resource utilization.
[0070] The implementation principle of a sealing device for a coke oven door 2 of an embodiment of the present application is as follows: the oven door 2 is covered on the oven door frame 1, the fixing mechanism 4 fixes the oven door 2, the sealing mechanism 3 acts on the sealing groove 11 to squeeze the rubber sealing ring 12 so that the oven door 2 and the oven door frame 1 are sealed, and the auxiliary component 5 improves the sealing of the oven door 2 to the oven door frame 1, improves the sealing between the oven door 2 and the oven door frame 1, and increases resource utilization.
[0071] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A coke oven door sealing device, characterized in that: include: A furnace door frame (1), wherein four side walls of the furnace door frame (1) are each provided with a sealing groove (11), and the four sealing grooves (11) are all on the same horizontal plane; A furnace door (2), the furnace door (2) being covered on the furnace door frame (1); A sealing mechanism (3), the sealing mechanism (3) being mounted on the furnace door (2), the sealing mechanism (3) being connected to the furnace door frame (1), and the sealing mechanism (3) being used to seal the furnace door (2); a fixing mechanism (4), the fixing mechanism (4) being mounted on an end of the furnace door (2) away from the furnace door frame (1), the fixing mechanism (4) being connected to the furnace door frame (1), and the fixing mechanism (4) being used to fix the furnace door (2) on the furnace door frame (1); The sealing mechanism (3) comprises: Two first elastic plates (31), the two first elastic plates (31) being symmetrically and fixedly connected to one end of the furnace door (2) close to the furnace door frame (1); two second elastic plates (32), the two second elastic plates (32) being symmetrically and fixedly connected to one end of the furnace door (2) close to the furnace door frame (1), and the length direction of the second elastic plates (32) being perpendicular to the length direction of the first elastic plates (31); Four fixed plates (33), one end of the four fixed plates (33) being respectively fixedly connected to one end of the two first elastic plates (31) away from the furnace door (2) and one end of the two second elastic plates (32) away from the furnace door (2), and the axis of the top wall of the fixed plate (33) is parallel to the plane where the side walls of the first elastic plate (31) and the second elastic plate (32) are located; a knife edge (34), the knife edge (34) being fixedly connected to an end of the fixing plate (33) away from the first elastic plate (31) and the second elastic plate (32); Four rubber sealing blocks (35), the four rubber sealing blocks (35) being evenly arranged and fixedly connected to the bottom wall of the furnace door (2), and the rubber sealing blocks (35) being fixedly connected to ends of the first elastic plate (31) and the second elastic plate (32) that are close to each other; A pressing assembly, the pressing assembly being mounted on the furnace door (2), the pressing assembly being used to press the knife edge (34) into the sealing groove (11).
2. The coke oven door sealing device according to claim 1, characterized in that: The clamping assembly comprises: A heat-conducting frame (361), the heat-conducting frame (361) being fixedly connected to the furnace door (2); a plurality of telescopic rods (362), wherein the fixed ends of the plurality of telescopic rods (362) are evenly arranged on the inner wall of the heat-conducting frame (361), and the movable ends of the telescopic rods (362) abut against an end of the fixing plate (33) away from the knife edge (34); A spring (363), wherein the spring (363) is sleeved on the movable end of the telescopic rod (362), one end of the spring (363) is connected to the fixed end of the telescopic rod (362), and the other end of the spring (363) is fixedly connected to the movable end of the telescopic rod (362).
3. The coke oven door sealing device according to claim 2, characterized in that: The fixing mechanism (4) comprises: A fastening block (41), the fastening block (41) being fixedly connected to an end of the furnace door (2) away from the furnace door frame (1); Two screw rods (42), the two screw rods (42) are symmetrically arranged and slidably connected to the two ends of the fastening block (41), and the screw rods (42) are threadedly connected to the furnace door frame (1); A drive assembly, the drive assembly being mounted on the fastening block (41), the drive assembly being connected to the screw rod (42), and the drive assembly being used to drive the screw rod (42) to be fastened.
4. The coke oven door sealing device according to claim 3, characterized in that: The drive assembly comprises: A rotating column (432), one end of the rotating column (432) being rotatably connected to an end of the fastening block (41) away from the furnace door (2); A rotating wheel (431), the rotating wheel (431) being rotatably connected to an end of the rotating column (432) away from the fastening block (41); A driving sprocket (433), the driving sprocket (433) being coaxially sleeved and fixedly connected to the rotating column (432); Two driven sprockets (434), the two driven sprockets (434) are respectively coaxially sleeved and fixedly connected to the two screw rods (42), the driven sprockets (434) are slidably connected to the screw rods (42), and the driven sprockets (434) are rotatably connected to the fastening block (41); Two chains (435), one end of the two chains (435) are respectively meshed and connected with the driving sprocket (433), and the other end of the two chains (435) are respectively meshed and connected with the two driven sprockets (434).
5. The coke oven door sealing device according to claim 4, characterized in that: A plurality of heat-insulating sleeves (4311) are fixedly connected to the rotating wheel (431).
6. The coke oven door sealing device according to claim 1, characterized in that: A rubber sealing ring (12) is fixedly connected to the bottom wall of the sealing groove (11).
7. The coke oven door sealing device according to claim 1, characterized in that: An auxiliary component (5) is fixedly mounted on the furnace door (2), and the auxiliary component (5) comprises: A sealed inner frame (51), the sealed inner frame (51) being fixedly connected to the furnace door (2); An annular sealing gasket (52), the inner wall of the annular sealing gasket (52) being fixedly connected to the peripheral side wall of the sealing inner frame (51), and the peripheral side wall of the annular sealing gasket (52) being tightly fitted to the inner wall of the furnace door frame (1).
8. The coke oven door sealing device according to claim 2, characterized in that: The fixed ends of two adjacent telescopic rods (362) are connected.
9. The coke oven door sealing device according to claim 2, characterized in that: A pressure relief valve (364) is fixedly connected to the side wall of the heat-conducting frame (361), and the pressure relief valve (364) is in communication with a fixed end of the telescopic rod (362) on the inner wall of the side wall of the heat-conducting frame (361) where the pressure relief valve (364) is located.
Citation Information
Patent Citations
6M coke oven door and door frame
CN215667821U
Novel top brick groove
CN218932037U