Oxidation scale accumulation removing device for furnace beam of heating furnace
By designing a device that includes displacement, rotation, tilt, strike and cooling parts, the safety hazards and inefficiency problems of removing ferric stenosis tumors in the prior art when removing ferric stenosis tumors in the heating furnace beams are solved, and an efficient and safe tumor removal effect is achieved.
Patent Information
- Application Number
- CN202420601331.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-03-27
AI Technical Summary
The prior art has safety hazards and low efficiency when removing iron oxide tinder tumors on the heating furnace beams, especially when using a crane steel pipe to operate, the steel pipe is prone to deform and unsafe to operate.
A device including a displacement part, a rotation adjustment part, an inclined part, a strike part and a cooling part is designed, and precise displacement and adjustment is achieved through hydraulic cylinders, universal wheels and winches, strike removal is performed using impact cylinders and impact hammer heads, and high temperature damage is prevented through cooling system.
The device can efficiently and safely remove the iron oxide tinder tumors on the heating furnace beams, avoiding inconvenience and safety hazards caused by shutdown and cooling and manpower operation, and improving production efficiency and safety.
Smart Images
Figure CN222617630U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a tumor removal device, in particular to a device which can cleanly remove the oxidized iron scale tumors remaining on the furnace beam of a heating furnace, and belongs to the technical field of oxidized iron scale tumor removal equipment of a heating furnace. Background Art
[0002] During the heating process of the steel billet in the heating furnace, especially in the high-temperature stage, the problem of local high temperature is inevitable, which causes the surface oxide scale of the steel billet to melt and stick to the furnace beam. As time goes by, the thickness and size of the accumulated oxide scale increase day by day and eventually form a nodule; when the volume of the nodule reaches a certain extent, it will affect the transportation of the steel billet in the furnace; when the nodule affects normal production, the industry often adopts two methods, one is to enter the furnace for cleaning after stopping the furnace to cool down, and the other is to use a crane to lift the steel pipe and use manpower to poke out the nodule; in the first method, the impact of stopping the furnace on the production progress is great and is not conducive to production; the second method has several problems in actual operation, the first is that the steel pipe is deformed after being heated in the furnace; the second is that there are safety hazards in using a crane to lift the steel pipe; therefore, an efficient and safe nodule removal device is needed to ensure efficient cleaning of the nodule under the premise of safety. Utility Model Content
[0003] The utility model aims to overcome the deficiencies of the prior art and provide a device for removing oxidized iron scale nodules from a heating furnace beam, which can efficiently clean the oxidized iron scale nodules adhered to the heating furnace beam.
[0004] The problem described in the utility model is solved by the following technical solutions:
[0005] A device for removing iron oxide scale accumulations from a heating furnace beam comprises a displacement part, a rotation adjustment part, a tilting part, a striking part and a cooling part; the rotation adjustment part is arranged on the displacement part; the tilting part is arranged on the rotation adjustment part; the striking part is arranged on the tilting part; the cooling part is arranged on the tilting part; the displacement part comprises a base, a universal wheel, a hydraulic cylinder and a bottom plate; universal wheels are arranged at the four corners of the lower end surface of the base; hydraulic cylinders are arranged at the four corners of the side walls of the base, the hydraulic cylinder piston rods face downward, and the ends of the hydraulic cylinder piston rods are arranged with bottom plates.
[0006] The above-mentioned device for removing iron oxide accumulations from the beam of a heating furnace, the rotating adjustment part includes a flat plate and a limit block; the bottom center of the flat plate is axially connected to the upper end surface of the base; the limit block is arranged on the side wall of the flat plate, and a threaded hole is arranged on the limit block, and the bolt passes through the threaded hole of the limit block and presses on the base.
[0007] The above-mentioned device for removing iron oxide accumulations from the beam of a heating furnace, the inclined part includes a long tube, a hinged seat, a collar, a fixed plate, a winch and a U-shaped frame; the hinged seat is arranged on the upper end surface of the flat plate; one end of the outer wall of the long tube is hingedly arranged on the hinged seat; the collar is sleeved in the middle of the outer wall of the long tube; the fixed plate is arranged on the flat plate through a bracket, and the fixed plate is located above the hinged seat; the winch is arranged on the fixed plate; rotating shafts are arranged at both ends of the outer wall of the collar, and the two ends of the U-shaped frame are respectively connected to the rotating shafts at both ends of the collar; the end of the winch wire rope is connected to the center of the U-shaped frame.
[0008] The above-mentioned device for removing iron oxide accumulations from the beam of a heating furnace, the long tube comprises an outer tube, an inner tube, a first annular baffle and a second annular baffle; the inner tube is located inside the outer tube, and the axis lines coincide; the first annular baffle and the second annular baffle are respectively arranged at the two ends of the outer tube; the inner walls of the first annular baffle and the second annular baffle are respectively connected to the two ends of the outer wall of the inner tube; the outer walls of the first annular baffle and the second annular baffle are respectively connected to the two ends of the outer wall of the outer tube; the first annular baffle is closer to the hinge seat than the second annular baffle; the outer tube, the inner tube, the first annular baffle and the second annular baffle form a closed cavity.
[0009] The above-mentioned device for removing iron oxide accumulations from the beams of a heating furnace, the striking part includes an impact cylinder, a long rod and an impact hammer; the impact cylinder is arranged on one end of the outer wall of the outer tube close to the hinge seat; the long rod is inserted into the inner tube; the end of the impact cylinder piston rod is connected to the end of the long rod, and the other end of the long rod is provided with an impact hammer.
[0010] The above-mentioned device for removing iron oxide scale accumulations from the beam of a heating furnace, the cooling part includes a partition, a water inlet and a water outlet; the number of the partitions is two, and they are both located in the gap between the outer tube and the inner tube, and the two partitions are symmetrical about the axis of the inner tube; the length of the partition is smaller than the length of the outer tube; the two sides of the partition are respectively connected to the inner wall of the outer tube and the outer wall of the inner tube, and one end of the partition is connected to the first annular baffle, and there is a gap between the other end of the partition and the second annular baffle; the water inlet and the water outlet are both arranged on the side wall of the outer tube, and the water inlet and the water outlet are respectively located on both sides of the partition.
[0011] The utility model drives the remaining parts to move to a suitable position in front of the heating furnace through the displacement part; the striking part can be accurately aimed at the iron oxide scale accumulation through the cooperation of the rotation adjustment part and the tilting part; the long tube is cooled by the cooling part to avoid excessive burning by high temperature in the furnace; the iron oxide scale accumulation can be struck by the striking part to be removed from the furnace beam. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0013] The list of numbers in the figure is: 1. base, 2. hydraulic cylinder, 3. flat plate, 4. long tube, 5. hinged seat, 6. collar, 7. fixed plate, 8. winch, 9. U-shaped frame, 10. impact cylinder, 11. long rod, 12. impact hammer. DETAILED DESCRIPTION
[0014] See also Figure 1 The utility model includes a displacement part, a rotation adjustment part, a tilting part, a striking part and a cooling part; the rotation adjustment part is arranged on the displacement part; the displacement part can drive the other parts to move; the tilting part is arranged on the rotation adjustment part; the tilting part and the rotation adjustment part cooperate to adjust the position of the striking part, so that the striking part can accurately align with the iron oxide scale accumulation; the striking part is arranged on the tilting part; the cooling part is arranged on the tilting part; the cooling part is used to cool the striking part to prevent the striking part from overheating after being extended into the heating furnace and affecting its service life; the displacement part includes a base 1, a universal wheel, a hydraulic cylinder 2 and a bottom plate; the four corners of the lower end surface of the base 1 are provided with universal wheels; the four corners of the side wall of the base 1 are provided with hydraulic cylinders 2, the piston rod of the hydraulic cylinder 2 faces downward, and the end of the piston rod of the hydraulic cylinder 2 is provided with a bottom plate; when the device is in place, the hydraulic cylinder 2 extends the piston rod to support the base 1 to ensure that the striking part is not easily moved by the base 1 during use.
[0015] The rotation adjustment part includes a plate 3 and a limit block; the bottom center of the plate 3 is axially connected to the upper end surface of the base 1; the plate 3 can rotate on the base 1; the limit block is arranged on the side wall of the plate 3, and a threaded hole is arranged on the limit block, and the bolt passes through the threaded hole of the limit block and presses on the base 1; tightening the bolt on the limit block can fix the position of the limit block, thereby fixing the position of the plate 3.
[0016] The tilting part includes a long tube 4, an articulated seat 5, a collar 6, a fixed plate 7, a winch 8 and a U-shaped frame 9; the articulated seat 5 is arranged on the upper end surface of the flat plate 3; one end of the outer wall of the long tube 4 is hingedly arranged on the articulated seat 5; the long tube 4 is tilted by hinged connection between the end of the long tube 4 and the articulated seat 5; the collar 6 is sleeved in the middle of the outer wall of the long tube 4; the fixed plate 7 is arranged on the flat plate 3 through a bracket, and the fixed plate 7 is located above the articulated seat 5; the winch 8 is arranged on the fixed plate 7; rotating shafts are arranged at both ends of the outer wall of the collar 6, and the two ends of the U-shaped frame 9 are respectively connected to the rotating shafts at both ends of the collar 6; the end of the wire rope of the winch 8 is connected to the center of the U-shaped frame 9; the tilting angle of the long tube 4 is controlled by the retraction and release of the wire rope of the winch 8.
[0017] The long tube 4 includes an outer tube, an inner tube, a first annular baffle and a second annular baffle; the inner tube is located inside the outer tube, and the axis lines coincide with each other; the first annular baffle and the second annular baffle are respectively arranged at both ends of the outer tube; the inner walls of the first annular baffle and the second annular baffle are respectively connected to the two ends of the outer wall of the inner tube; the outer walls of the first annular baffle and the second annular baffle are respectively connected to the two ends of the outer wall of the outer tube; the first annular baffle is closer to the hinge seat 5 than the second annular baffle; the outer tube, the inner tube, the first annular baffle and the second annular baffle form a closed cavity; cooling water circulates inside the cavity of the long tube 4, thereby cooling the long tube 4 to prevent it from being excessively damaged under the high temperature of the heating furnace.
[0018] The striking part includes an impact cylinder 10, a long rod 11 and an impact hammer 12; the impact cylinder 10 is arranged on one end of the outer wall of the outer tube close to the hinge seat 5; the long rod 11 is inserted into the inner tube; the end of the piston rod of the impact cylinder 10 is connected to the end of the long rod 11, and the other end of the long rod 11 is provided with an impact hammer 12; the impact cylinder 10 provides instantaneous impact force for the long rod 11, and the long rod 11 synchronously transmits the force to the impact hammer 12, and the impact hammer 12 uses this impact force to strike and remove the iron oxide nodule, so that it falls off the furnace beam.
[0019] The cooling part includes a partition, a water inlet and a water outlet; there are two partitions, and they are both located in the gap between the outer tube and the inner tube, and the two partitions are symmetrical about the axial center line of the inner tube; the length of the partition is smaller than the length of the outer tube; the two sides of the partition are respectively connected to the inner wall of the outer tube and the outer wall of the inner tube, and one end of the partition is connected to the first annular baffle, and there is a gap between the other end of the partition and the second annular baffle; cooling water enters from one side of the partition, moves to the end of the partition, and leaves from the other side of the partition; the water inlet and the water outlet are both arranged on the side wall of the outer tube, and the water inlet and the water outlet are respectively located on both sides of the partition.
[0020] Actual use process: push the device to the front of the heating furnace, connect the water inlet and outlet, and cool the long tube 4; then extend the end of the long tube 4 into the heating furnace until the impact hammer 12 moves to the front of the oxidized iron scale nodule; then start each hydraulic cylinder 2, lift and fix the device, then rotate the flat plate 3 and start the winch 8 to adjust the position of the impact hammer 12 until the impact hammer 12 is aligned with the oxidized iron scale nodule; then start the impact cylinder 10, the impact hammer 12 strikes the oxidized iron scale nodule, knocks it off the furnace beam, and then the hydraulic cylinder 2 is reset, pushing the device away from the heating furnace, and the oxidized iron scale nodule removal operation is completed.
Claims
1. A device for removing iron oxide scale accumulation from a heating furnace beam, characterized in that: The invention comprises a displacement part, a rotation adjustment part, a tilting part, a striking part and a cooling part; the rotation adjustment part is arranged on the displacement part; the tilting part is arranged on the rotation adjustment part; the striking part is arranged on the tilting part; the cooling part is arranged on the tilting part; the displacement part comprises a base (1), universal wheels, a hydraulic cylinder (2) and a bottom plate; the four corners of the lower end surface of the base (1) are all provided with universal wheels; the four corners of the side wall of the base (1) are all provided with hydraulic cylinders (2), the piston rod of the hydraulic cylinder (2) faces downward, and the end of the piston rod of the hydraulic cylinder (2) is provided with a bottom plate.
2. The device for removing iron oxide scale deposits from the beam of a heating furnace according to claim 1, characterized in that: The rotation adjustment part comprises a plate (3) and a limit block; the bottom center of the plate (3) is axially connected to the upper end surface of the base (1); the limit block is arranged on the side wall of the plate (3), and a threaded hole is arranged on the limit block, and a bolt passes through the threaded hole of the limit block and contacts and presses on the base (1).
3. The device for removing iron oxide scale deposits from the beam of a heating furnace according to claim 2, characterized in that: The inclined portion comprises a long tube (4), an articulated seat (5), a collar (6), a fixed plate (7), a winch (8) and a U-shaped frame (9); the articulated seat (5) is arranged on the upper end surface of the flat plate (3); one end of the outer wall of the long tube (4) is hingedly arranged on the articulated seat (5); the collar (6) is sleeved in the middle of the outer wall of the long tube (4); the fixed plate (7) is arranged on the flat plate (3) through a bracket, and the fixed plate (7) is located above the articulated seat (5); the winch (8) is arranged on the fixed plate (7); rotating shafts are arranged at both ends of the outer wall of the collar (6), and the two ends of the U-shaped frame (9) are respectively connected to the rotating shafts at both ends of the collar (6); the end of the steel wire rope of the winch (8) is connected to the center of the U-shaped frame (9).
4. The device for removing iron oxide scale deposits from the beam of a heating furnace according to claim 3 is characterized in that: The long tube (4) comprises an outer tube, an inner tube, a first annular baffle and a second annular baffle; the inner tube is located inside the outer tube, and the axis lines coincide with each other; the first annular baffle and the second annular baffle are respectively arranged at two ends of the outer tube; the inner walls of the first annular baffle and the second annular baffle are respectively connected to the two ends of the outer wall of the inner tube; the outer walls of the first annular baffle and the second annular baffle are respectively connected to the two ends of the outer wall of the outer tube; the first annular baffle is closer to the hinge seat (5) than the second annular baffle; the outer tube, the inner tube, the first annular baffle and the second annular baffle form a closed cavity.
5. The device for removing iron oxide scale deposits from the beam of a heating furnace according to claim 4 is characterized in that: The striking part comprises an impact cylinder (10), a long rod (11) and an impact hammer (12); the impact cylinder (10) is arranged at one end of the outer wall of the outer tube close to the hinge seat (5); the long rod (11) is inserted into the inner tube; the end of the piston rod of the impact cylinder (10) is connected to the end of the long rod (11), and the other end of the long rod (11) is provided with an impact hammer (12).
6. The device for removing iron oxide scale deposits from the beam of a heating furnace according to claim 5, characterized in that: The cooling part includes a partition, a water inlet and a water outlet; there are two partitions, and both are located in the gap between the outer tube and the inner tube, and the two partitions are symmetrical about the axial center line of the inner tube; the length of the partition is smaller than the length of the outer tube; the two sides of the partition are respectively connected to the inner wall of the outer tube and the outer wall of the inner tube, and one end of the partition is connected to the first annular baffle, and there is a gap between the other end of the partition and the second annular baffle; the water inlet and the water outlet are both arranged on the side wall of the outer tube, and the water inlet and the water outlet are respectively located on both sides of the partition.