Thermal-state replacement tool for radiant tube of continuous annealing unit
By designing the thermal replacement tooling of the radiation tube of the continuous annealing unit, the combination of the lifting device and the replacement device is used to solve the risk of high-temperature scalding and mechanical injury in the annealing unit, and the rapid and stable disassembly and assembly and spare parts protection are achieved, which improves work efficiency and reduces costs.
Patent Information
- Application Number
- CN202421474927.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-06-25
AI Technical Summary
In the existing continuous annealing unit of the non-oriented silicon steel production line, the high temperature, long size and weight of the radiation tube make it difficult to disassemble and assemble safely and quickly, and there is a risk of high-temperature scalds and mechanical injuries, and it is easy to cause damage to spare parts when replaced.
A continuous annealing unit's thermal replacement tool for the radiation tube is designed, including a lifting device and a replacement device. Through the coordination of the lifting block and the bracket, the radiation tube can be quickly and stably disassembled and assembled, avoiding high-temperature scalding, and preventing spare parts from being damaged through the design of the pipe support.
The rapid and stable disassembly and assembly of the radiation tube is achieved, reducing the risk of high-temperature scalds and mechanical injuries, improving work efficiency, avoiding spare parts damage, and reducing costs.
Smart Images

Figure CN222873749U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of continuous annealing units for non-oriented silicon steel production lines, and more specifically to a hot-state replacement tool for radiation tubes of continuous annealing units. Background Art
[0002] At present, the SF furnace section of the annealing furnace of the continuous annealing unit of the non-oriented silicon steel production line uses radiant tubes. The length of the radiant tube hot-drawn in the furnace area is 2.143m, the weight is 41Kg, and the furnace temperature is 860℃. Due to the high furnace temperature, the length and weight of the radiant tube, high-temperature spraying, and the difficulty in pulling out, the operation is difficult, and there are safety risks such as high-temperature burns and mechanical injuries. Because the sleeve of the radiant tube equipment is prone to nodules, after the old radiant tube is removed, there are debris or residues in the tube that need to be cleaned again; when reinstalling the new radiant tube, the radiant tube fixing flange is made of ceramic, and nodules are easily damaged when inserted. Utility Model Content
[0003] To solve the above problems, the utility model adopts the following technical solutions.
[0004] The utility model discloses a hot replacement tool for a continuous annealing unit radiation tube, comprising a lifting device and a replacement device, the lifting device comprising a lifting block, a clamping hole is arranged in the middle of the lifting block, the replacement device comprises a bracket, handles are arranged on both sides of the front end of the bracket, a plurality of tube supports are arranged at the rear end of the bracket, the inner surface of the bracket is fitted with the outer surface of the radiation tube, and slings are connected to the two ends of the lifting block.
[0005] Furthermore, hanging blocks are installed at both ends of the lifting block, hanging holes are provided on the hanging blocks, both ends of the hanging rings are installed at the two hanging holes, and the hanging belts are connected to the two hanging rings.
[0006] Furthermore, the lifting block and the hanging block are both channel steels, and the two ends of the lifting block are respectively welded to one end of the two hanging blocks.
[0007] Furthermore, the main rod in the middle of the radiation tube passes through the clamping hole of the lifting block.
[0008] Furthermore, the bracket is an arc-shaped plate, the handle is a cylindrical structure, and the handle is welded to the bracket.
[0009] Furthermore, the tube support includes an arc-shaped tube support one and two tube support twos, the tube support twos are arranged on both sides of the tube support one, and the tube support one is located at the lower end of the bracket.
[0010] Beneficial Effects
[0011] Compared with the prior art, the advantages of the present invention are:
[0012] The utility model first lifts the front end of the radiation tube, and then uses the bracket of the replacement device to be placed on the lower end of the radiation tube. When half of the radiation tube is pulled out, the tube bracket is placed at the lower end of the bracket, and then the radiation tube is continued to be pulled out. The utility model realizes the rapid and stable disassembly and assembly of the radiation tube in the furnace, and can effectively avoid high temperature burns caused by the replacement of the radiation tube; and effectively improves the work efficiency and avoids the damage of the spare parts to the nodules during the insertion, thereby reducing the cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of an embodiment of the utility model.
[0014] Figure 2 This is a schematic diagram of a radiation tube placed on a replacement device according to an embodiment of the utility model.
[0015] Figure 3 This is a schematic diagram of a replacement device according to an embodiment of the present utility model.
[0016] Figure 4 It is a schematic diagram of a bottom pipe support according to an embodiment of the utility model.
[0017] Figure 5 This is a schematic diagram of a lifting device according to an embodiment of the present invention. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0019] As shown in the figure, the utility model discloses a hot replacement tool for the radiation tube of a continuous annealing unit, comprising a lifting device 1 and a replacement device 2, wherein the lifting device 1 comprises a lifting block 3, wherein a clamping hole 31 is provided in the middle of the lifting block 3, and the replacement device 2 comprises a bracket 4, wherein handles 5 are provided on both sides of the front end of the bracket 4, and a plurality of tube supports 6 are provided at the rear end of the bracket 4, wherein the inner surface of the bracket 4 is in contact with the outer surface of the radiation tube A, and slings 7 are connected to the two ends of the lifting block 3. The lifting device 1 is used to lift the front end of the radiation tube A, so as to facilitate the insertion of the bracket 4 to the bottom of the radiation tube A, and then the radiation tube A is pulled out, and at this time, the radiation tube A and the bracket 4 are moved out synchronously. When the radiation tube A is pulled out halfway, a tube support 6 is placed at the bottom of the bracket 4 to support the rear half of the radiation tube A to prevent the rear end of the radiation tube A from falling off.
[0020] In one embodiment of the utility model, a lifting block 8 is installed at both ends of the lifting block 3, and a lifting hole 81 is provided on the lifting block 8. Both ends of the lifting ring 9 are installed at two lifting holes 81, and the lifting belt 7 connects the two lifting rings 9. The lifting ring 9 is convenient for connecting the lifting belt 7. Due to the model selection, the lifting belt 7 is not convenient to be installed at the lifting hole 81.
[0021] In one embodiment of the utility model, the lifting block 3 and the hanging block 8 are both channel steels, and the two ends of the lifting block 3 are respectively welded to one end of the two hanging blocks 8.
[0022] In one embodiment of the present invention, the main rod B in the middle of the radiation tube A passes through the clamping hole 31 of the lifting block 3. In this way, when the lifting block 3 moves upward, the front end of the radiation tube A is driven to move upward.
[0023] In one embodiment of the present invention, the bracket 4 is an arc-shaped plate, the handle 5 is a cylindrical structure, and the handle 5 is welded to the bracket 4. When the radiation tube A is initially pulled out, the handle 5 may be exerted with force.
[0024] In an embodiment of the utility model, the pipe support 6 includes an arc-shaped pipe support 1 61 and two pipe support 2 62, and the pipe support 2 62 is arranged on both sides of the pipe support 1 61, and the pipe support 1 61 is located at the lower end of the bracket 4. The pipe support 1 61 plays a supporting role, and the pipe support 2 62 is used to apply force for easy operation. The utility model can use two pipe supports 6. Each operator operates one pipe support 2 62.
[0025] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.
Claims
1. Hot replacement tooling for radiation tubes of continuous annealing unit, characterized by: It includes a lifting device and a replacement device. The lifting device includes a lifting block. A clamping hole is provided in the middle of the lifting block. The replacement device includes a bracket. Handles are provided on both sides of the front end of the bracket. A plurality of tube supports are provided at the rear end of the bracket. The inner surface of the bracket is fitted with the outer surface of the radiation tube. Suspensions are connected to both ends of the lifting block.
2. The hot replacement tool for radiant tubes of a continuous annealing unit according to claim 1, characterized in that: Both ends of the lifting block are installed with lifting blocks, lifting holes are arranged on the lifting blocks, both ends of the lifting rings are installed at the two lifting holes, and the lifting belts are connected with the two lifting rings.
3. The hot replacement tool for radiant tubes of a continuous annealing unit according to claim 2, characterized in that: The lifting block and the hanging block are both channel steels, and the two ends of the lifting block are respectively welded to one end of the two hanging blocks.
4. The hot replacement tool for radiant tubes of a continuous annealing unit according to claim 1, characterized in that: The main rod in the middle of the radiation tube passes through the clamping hole of the lifting block.
5. The hot replacement tool for radiant tubes of a continuous annealing unit according to claim 1, characterized in that: The bracket is an arc-shaped plate, the handle is a cylindrical structure, and the handle is welded to the bracket.
6. The hot replacement tool for the radiation tube of the continuous annealing unit according to claim 1, characterized in that: The pipe support includes an arc-shaped pipe support 1 and two pipe support 2, the pipe support 2 is arranged on both sides of the pipe support 1, and the pipe support 1 is located at the lower end of the bracket.