A refractory construction structure for the side beam of a walking beam reheating furnace

Abstract

The present invention relates to the technical field of walking beam furnaces, and particularly to a refractory material construction structure for a walking beam. The present invention has the advantages of a simple structure, low cost, easy installation, and material savings. Heavy blocks are supported and positioned by an L-shaped support plate, effectively preventing the heavy blocks from tipping over onto the side walls of the furnace body due to thermal expansion. This improves the stability of the side beam structure and extends its service life. At the same time, the edge guard steel plates can provide a certain degree of support for the heavy blocks and the sides of the lightweight blocks, further ensuring the safety and stability of the walking beam.

Description

Technical Field

[0001] The invention relates to the technical field of walking beam furnaces, in particular to a refractory construction structure for a walking beam furnace. Background Art

[0002] A walking-beam heating furnace is a continuous heating furnace that moves the billet forward step by step by relying on the rising, forward, lowering, and backward movements of the furnace bottom or water-cooled metal beams. Due to the alternating hot and cold cycles, the side beams of the walking-beam furnace often deform and break due to uneven heating. Long-term use will cause the side beams to tilt against the side walls, resulting in damage to the workpieces during transportation, which is not conducive to enterprise production. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a refractory construction structure for the side beams of a walking furnace, which ensures the safety and stability of the side beams of the walking furnace and prolongs the service life of the side beam structure.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention to solve the technical problems is:

[0005] A walking furnace side beam refractory material construction structure, comprising a furnace body side wall, the furnace body side wall is arranged on a bottom steel base, a water-cooled beam is arranged on the bottom steel base, lightweight blocks are arranged on both sides of the water-cooled beam, a connecting plate is arranged on the water-cooled beam, a metal beam is arranged on the connecting plate, and heavy blocks are arranged on both sides of the metal beam;

[0006] It also includes a support plate, which includes a first plate and a second plate. The first plate is vertically arranged on the second plate in an L-shaped structure. The second plate is arranged between the lightweight block and the heavy block, and the free end of the second plate is connected to the connecting plate. The first plate is arranged between the heavy block and the side wall of the furnace body, and the heavy block is supported and positioned by the L-shaped support plate.

[0007] Furthermore, a side guard steel plate is welded to one side of the connecting plate, the side guard steel plate is vertically arranged at the end of the connecting plate, and a side guard groove matching the side guard steel plate is provided on the heavy block, and the side guard steel plate is clamped on the side guard groove.

[0008] Furthermore, it also includes an anti-expansion blanket, which is arranged on the bottom steel base, and the furnace side walls and lightweight blocks are both arranged on the anti-expansion blanket.

[0009] Furthermore, the water-cooled beam includes an I-beam and a water-cooling plate, both ends of the water-cooling plate are welded to the I-beam, and a cooling channel for passing water is provided between the I-beam and the water-cooling plate.

[0010] Furthermore, an anti-expansion plate is provided on the connecting plate, and the heavy block is provided on the anti-expansion plate.

[0011] Furthermore, a first anchoring claw is provided in the heavy block, a welding plate is provided on the free end of the first anchoring claw, and the welding plate is welded together with the connecting plate.

[0012] Furthermore, the first anchoring claw includes a first vertical rod and a first anchoring rod, and the first vertical rod is connected to the first anchoring claw to form a hook-shaped mechanism.

[0013] Furthermore, the first anchoring claw includes a first vertical rod and two first anchoring rods, and the ends of the two first anchoring rods are connected to the free ends of the first vertical rod, so that the first anchoring claw has a Y-shaped structure.

[0014] Furthermore, a plurality of second anchor claws are provided in the lightweight block, and the plurality of second anchor claws are respectively fixedly connected to the water-cooled beam and the bottom steel seat. The second anchor claws include a second vertical rod and two second anchor rods. The ends of the two second anchor rods are connected to the free ends of the second vertical rod, so that the second anchor claws have a Y-shaped structure.

[0015] Furthermore, the metal beam includes a connecting frame, a first crossbeam, and a second crossbeam. One end of the connecting frame is fixedly connected to the connecting plate, and the other end is fixedly connected to the first crossbeam. The second crossbeam is sleeved on the first crossbeam, and the second crossbeam is fixedly connected to the first crossbeam by a locking bolt.

[0016] Beneficial effects of the present invention:

[0017] The present invention has the advantages of simple structure, low cost, easy installation, and material saving. The heavy blocks are supported and positioned by the support plate of the L-shaped structure, which can effectively avoid the heavy blocks from falling on the side walls of the furnace body due to thermal expansion, improves the stability of the side beam structure, and extends the service life of the side beam structure. At the same time, the edge guard steel plate can play a certain supporting role on the side of the heavy blocks and the light blocks, which can further ensure the safety and stability of the side beams of the stepping furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the refractory construction structure of a walking furnace side beam of the present invention.

[0019] Explanation of reference numerals in the figure: 1. Bottom steel base; 11. Furnace side wall; 12. Anti-expansion blanket; 2. Lightweight block; 21. Second vertical rod; 22. Second anchor rod; 3. Heavy block; 31. First vertical rod; 32. First anchor rod; 4. Connecting plate; 41. Second plate; 42. First plate; 43. Edge steel plate; 44. Anti-expansion plate; 5. I-beam; 51. Water-cooling plate; 52. Cooling channel; 6. Connecting frame; 61. First crossbeam; 62. Second crossbeam; 63. Locking bolt; DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention.

[0021] Reference Figure 1 As shown, a walking furnace side beam refractory material construction structure includes a furnace side wall 11, the furnace side wall 11 is set on the bottom steel base 1, the bottom steel base 1 is provided with a water-cooled beam, and lightweight blocks 2 are provided on both sides of the water-cooled beam, a connecting plate 4 is provided on the water-cooled beam, and a metal beam is provided on the connecting plate 4, and heavy blocks 3 are provided on both sides of the metal beam;

[0022] It also includes a support plate, which includes a first plate 42 and a second plate 41. The first plate 42 is vertically arranged on the second plate 41 to form an L-shaped structure. The second plate 41 is arranged between the lightweight block 2 and the heavy block 3, and the free end of the second plate 41 is connected to the connecting plate 4. The first plate 42 is arranged between the heavy block 3 and the side wall 11 of the furnace body. The heavy block 3 is supported and positioned by the L-shaped support plate.

[0023] The present invention has the advantages of simple structure, low cost, easy installation, and material saving. The heavy block 3 is supported and positioned by the support plate of the L-shaped structure, which can effectively avoid the heavy block 3 from falling on the side wall 11 of the furnace body due to thermal expansion, improves the stability of the side beam structure, and extends the service life of the side beam structure. At the same time, the edge guard steel plate 43 can play a certain supporting role on the side of the heavy block 3 and the light block 2, which can further ensure the safety and stability of the side beam of the stepping furnace.

[0024] At the same time, the lightweight block 2 and the heavy block 3 are cast without the need for high-temperature kiln firing, which has high work efficiency and improves the thermal shock stability, high-temperature strength and volume stability of the lightweight block 2 and the heavy block 3.

[0025] A side guard steel plate 43 is welded to one side of the connecting plate 4, and the side guard steel plate 43 is vertically arranged at the end of the connecting plate 4. A side guard groove matching the side guard steel plate 43 is provided on the heavy block 3, and the side guard steel plate 43 is clamped on the side guard groove.

[0026] The water-cooled beam includes an I-steel 5 and a water-cooling plate 51 . Both ends of the water-cooling plate 51 are welded to the I-steel 5 . A cooling channel 52 for passing water is provided between the I-steel 5 and the water-cooling plate 51 .

[0027] It also includes an anti-expansion blanket 12, which is arranged on the bottom steel base 1, and the furnace side walls 11 and the lightweight blocks 2 are all arranged on the anti-expansion blanket 12, and the anti-expansion blanket 12 is made of a material that does not expand when heated; an anti-expansion plate 44 is arranged on the connecting plate 4, and the heavy blocks 3 are arranged on the anti-expansion plate 44. By arranging the anti-expansion plate 44 or the anti-expansion blanket 12, the use stability of two materials with different expansion properties when heated can be improved, the on-site workload can be reduced, the construction is simplified, and the construction speed is accelerated.

[0028] A first anchoring claw is provided in the heavy block 3 , and a welding plate is provided on the free end of the first anchoring claw. The welding plate is welded to the connecting plate 4 .

[0029] The first anchoring claw includes a first vertical rod 31 and a first anchoring rod 32 . The first vertical rod 31 is connected to the first anchoring claw to form a hook-shaped mechanism.

[0030] The first anchoring claw includes a first vertical rod 31 and two first anchoring rods 32 . The ends of the two first anchoring rods 32 are connected to the free ends of the first vertical rod 31 , so that the first anchoring claw has a Y-shaped structure.

[0031] A plurality of second anchor claws are provided in the lightweight block 2, and the plurality of second anchor claws are respectively fixedly connected to the water-cooled beam and the bottom steel seat 1. The second anchor claws include a second vertical rod 21 and two second anchor rods 22. The ends of the two second anchor rods 22 are connected to the free ends of the second vertical rod 21, so that the second anchor claws have a Y-shaped structure.

[0032] The first anchoring claw has the same structure as the second anchoring claw. The anchoring claw can improve the thermal shock stability, high temperature strength and volume stability of the heavy block 3 and the lightweight block 2, and reduce the stability of the two when the walking furnace is used.

[0033] The metal beam includes a connecting frame 6, a first crossbeam 61, and a second crossbeam 62. One end of the connecting frame 6 is fixedly connected to the connecting plate 4, and the other end is fixedly connected to the first crossbeam 61. The second crossbeam 62 is sleeved on the first crossbeam 61, and the second crossbeam 62 is fixedly connected to the first crossbeam 61 by a locking bolt 63.

[0034] By presetting a second anchor claw on the water-cooled beam and the bottom steel seat 1, a lightweight high-temperature resistant castable is used to cast a lightweight block 2. After the lightweight block 2 is cast, a connecting plate 4 and a support plate are set on it. The connecting plate 4 is welded to the water-cooled beam, and a first anchor claw is welded on the connecting plate 4. The side of the first anchor claw is welded on the connecting plate 4, and an edge guard steel plate 43 is welded on its side. An anti-expansion plate 44 is set on the connecting plate 4, and then a heavy high-temperature resistant castable is used to cast a heavy block 3. The support plate connected to the connecting plate 4 supports the heavy block 3, which can effectively avoid the heavy block 3 from tipping over on the side wall 11 of the furnace body due to expansion, thereby improving the stability of the side beam structure and extending the service life of the side beam structure. At the same time, with the coordinated positioning of the edge guard steel plate 43 and the support plate, the stability of the heavy block 3 during use can be further guaranteed. At the same time, the lightweight block 2 and the heavy block 3 do not need to be fired in a high-temperature kiln, and the work efficiency is high, thereby improving the thermal shock stability, high-temperature strength and volume stability of the lightweight block 2 and the heavy block 3.

[0035] The above embodiments are merely preferred embodiments for the purpose of fully illustrating the present invention, and the scope of protection of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are within the scope of protection of the present invention. The scope of protection of the present invention shall be subject to the claims.

Claims

1. A walking furnace side beam refractory construction structure, characterized in that: The furnace body comprises a side wall, the side wall of the furnace body is arranged on a bottom steel base, a water-cooled beam is arranged on the bottom steel base, lightweight blocks are arranged on both sides of the water-cooled beam, a connecting plate is arranged on the water-cooled beam, a metal beam is arranged on the connecting plate, and heavy blocks are arranged on both sides of the metal beam; The furnace further includes a support plate, the support plate including a first plate and a second plate, the first plate being vertically arranged on the second plate in an L-shaped structure, the second plate being arranged between the light block and the heavy block, and the free end of the second plate being connected to the connecting plate, the first plate being arranged between the heavy block and the side wall of the furnace body, and the heavy block being supported and positioned by the support plate of the L-shaped structure; A first anchoring claw is provided in the heavy block, a welding plate is provided on the free end of the first anchoring claw, and the welding plate is welded to the connecting plate; The first anchoring claw includes a first vertical rod and a first anchoring rod, and the first vertical rod and the first anchoring claw are connected to form a hook-shaped mechanism; A plurality of second anchor claws are arranged in the lightweight block, and the plurality of second anchor claws are fixedly connected to the water-cooled beam and the bottom steel seat respectively. The second anchor claws include a second vertical rod and two second anchor rods. The ends of the two second anchor rods are connected to the free ends of the second vertical rod, so that the second anchor claws have a Y-shaped structure.

2. The walking furnace side beam refractory construction structure according to claim 1, characterized in that: A side guard steel plate is welded to one side of the connecting plate, and the side guard steel plate is vertically arranged at the end of the connecting plate. A side guard groove matching the side guard steel plate is provided on the heavy block, and the side guard steel plate is clamped on the side guard groove.

3. The refractory material construction structure of the walking furnace side beam according to claim 1, characterized in that: It also includes an anti-expansion blanket, which is arranged on the bottom steel seat, and the furnace body side walls and lightweight blocks are both arranged on the anti-expansion blanket.

4. The refractory material construction structure of the walking furnace side beam according to claim 1, characterized in that: The water-cooled beam includes an I-steel and a water-cooling plate. Both ends of the water-cooling plate are welded to the I-steel. A cooling channel for passing water is provided between the I-steel and the water-cooling plate.

5. The refractory material construction structure of the walking furnace side beam according to claim 1, characterized in that: An anti-expansion plate is provided on the connecting plate, and the heavy block is provided on the anti-expansion plate.

6. The refractory material construction structure of the walking furnace side beam according to claim 1, characterized in that: The metal beam includes a connecting frame, a first crossbeam, and a second crossbeam. One end of the connecting frame is fixedly connected to the connecting plate, and the other end is fixedly connected to the first crossbeam. The second crossbeam is sleeved on the first crossbeam, and the second crossbeam is fixedly connected to the first crossbeam by a locking bolt.

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