Vacuum melting furnace with waste heat recovery device
By designing a uniform cleaning and removal mechanism in the vacuum smelting furnace, using the motor-driven knocking oscillation assembly to clean impurities in the inner wall of the pipeline, the problems of heat conduction and pipeline blockage caused by the adhesion of smoke and other substances are solved, and the waste heat recovery efficiency and equipment are improved Security.
Patent Information
- Application Number
- CN202421071764.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-16
AI Technical Summary
During the use of existing vacuum smelting furnaces, smoke, oxides and other particulate matter generated during the smelting process will adhere to the inner wall of the pipe, resulting in the impact of heat conduction, the efficiency of waste heat recovery is reduced, and the risk of pipeline blockage is increased, and the cleaning process is complicated. Dangerous, improper operation can easily damage the equipment.
A uniform cleaning and decompression mechanism is designed, including gear rings and motor-driven knocking oscillation components. The impurities in the inner wall of the pipe are oscillated and cleaned by rotating the knocking oscillation components, and the impurities are knocked by using the oblique downward impact force in multiple directions. To avoid the time-consuming and laborious cleaning of manual cleaning.
It effectively improves waste heat recovery efficiency, extends the service life of the equipment, reduces energy consumption, avoids pipeline blockage and rupture, ensures the continuous and stable operation of the smelting furnace, and enhances safety.
Smart Images
Figure CN222279294U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vacuum smelting furnaces, in particular to a vacuum smelting furnace with a waste heat recovery device. Background Art
[0002] A vacuum melting furnace with a waste heat recovery device can effectively recover and utilize the heat energy generated during the smelting process, thereby improving energy utilization efficiency and reducing production costs. In the prior art, a patent with publication number: CN216385071U discloses a vacuum melting furnace with a waste heat recovery device. Through the coordinated use of a waste heat recovery box 3, a serpentine pipe 5, a heat conduction plate 6, a temperature sensor 7, a water outlet valve 8, a processing box 9, a degradation box 10, a filling box 12, a filter material 13 and a filter plate 14, the problem that the existing vacuum melting furnace usually does not have the function of waste heat recovery during use is solved.
[0003] When a vacuum melting furnace with a waste heat recovery device is in use, the smoke, oxides and other particulate matter generated during the smelting process may enter the pipeline system and the waste heat recovery device with the airflow and adhere to the inner wall. The impurities attached to the inner wall of the pipeline will form an insulation layer, which will not only affect the heat conduction in the pipeline and reduce the efficiency of waste heat recovery, but also the attachment of impurities will cause the inner diameter of the pipeline to become smaller, increasing the resistance to airflow. In the long run, the pipeline will be blocked and even the normal operation of the entire melting furnace will be affected.
[0004] The location where impurities adhere is small, the operating space is relatively complex and difficult, the operation process is somewhat dangerous, and improper operation can easily damage the equipment, which is very inconvenient. Utility Model Content
[0005] In view of the shortcomings of the prior art, the utility model provides a vacuum melting furnace with a waste heat recovery device, which has the advantages of being easy to clean impurities, etc., and solves the problems of low manual cleaning efficiency, small operating space, complicated and difficult operation, certain dangers in the operation process, and easy damage to the equipment due to improper operation.
[0006] In order to achieve the above-mentioned purpose of facilitating the cleaning of impurities, the utility model provides the following technical solutions: a vacuum melting furnace with a waste heat recovery device, comprising a vacuum melting furnace body and a waste heat recovery component, a waste heat recovery pipe is fixedly connected between the vacuum melting furnace body and the waste heat recovery component, a uniform cleaning and impurity removal mechanism is used to clean the impurities attached to the waste heat recovery pipe, the uniform cleaning and impurity removal mechanism is located on the waste heat recovery pipe, the uniform cleaning and impurity removal mechanism comprises a gear ring, the gear ring is sleeved on the outer surface of the waste heat recovery pipe, the gear ring is rotatably connected to the waste heat recovery component, a motor is fixedly connected to the front surface of the waste heat recovery component with bolts, a gear is fixedly sleeved on the outer surface of the output shaft of the motor, the gear is meshed with the gear ring, a trigger bevel is welded and fixed to the lower surface of the gear ring, a plurality of knocking and oscillating components are arranged on the lower surface of the waste heat recovery component, and the knocking and oscillating components are used to knock off impurities attached to the inner wall of the waste heat recovery pipe.
[0007] Preferably, the plurality of the knocking and oscillating components are evenly arranged in a circular array, and the knocking and oscillating components include a folding slide rail, which is bolted and fixedly connected to the lower surface of the waste heat recovery component, and the folding slide rail is set at 45° to the waste heat recovery component.
[0008] Preferably, a sliding block is slidably connected in the folding slide rail, a knocking block is fixedly connected to the lower end of the sliding block, the knocking block is used to knock the waste heat recovery pipeline, and slide grooves are provided on both sides of the folding slide rail.
[0009] Preferably, sliding columns are welded and fixed on both sides of the sliding block, and the sliding columns extend out of the outer surface of the sliding groove, and sliding groove rails are welded and fixed on both sides of the folding slide rail.
[0010] Preferably, the two slide rails are slidably connected with slide rails, and the ends of the two slide rails close to the waste heat recovery pipeline are integrally formed with slide plates, and the ends of the two slide columns facing away are slidably connected to the inner wall of the slide plate.
[0011] Preferably, an arc-shaped top block is welded and fixed between the ends of the two slide rails close to the waste heat recovery pipe, and the arc-shaped top block is adapted to the trigger bevel block. A tension spring fixing plate is welded and fixed to the ends of the two slide rails away from the waste heat recovery pipe, and a tension spring is fixedly connected between the tension spring fixing plate and the folding slide rail.
[0012] Compared with the prior art, the utility model provides a vacuum melting furnace with a waste heat recovery device, which has the following beneficial effects:
[0013] The vacuum melting furnace with a waste heat recovery device can drive multiple knocking and oscillating components to operate one by one through continuous rotation, so that it can receive oblique downward impact forces from multiple directions, so that impurities on the inner wall can be separated by the impact force and vibration, effectively removing obstacles and impurities that affect heat conduction, allowing heat to be transferred more smoothly, while also avoiding the time-consuming and labor-intensive manual cleaning, thereby improving the efficiency of waste heat recovery to a certain extent.
[0014] The vacuum melting furnace with waste heat recovery device can clean the impurities attached to the inner wall of its pipeline by oscillation through the uniform cleaning and impurity removal mechanism. It not only helps to improve the heat recovery efficiency of the equipment and reduce energy consumption, but also helps to extend the service life of the equipment, ensure production continuity and enhance equipment safety. It also prevents the occurrence of problems such as pipeline blockage or rupture, and ensures the continuous and stable operation of the melting furnace. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the uniform cleaning and impurity removal mechanism of the utility model;
[0017] Figure 3 For this utility model Figure 1 Enlarged schematic diagram at point A in the middle.
[0018] In the figure: 1. vacuum melting furnace body; 2. waste heat recovery pipeline; 3. waste heat recovery component; 4. gear ring; 5. trigger bevel block; 6. folding slide rail; 7. sliding block; 8. knocking block; 9. slide groove; 10. sliding column; 11. slide groove rail; 12. slide rail; 13. slide groove plate; 14. tension spring fixing plate; 15. tension spring; 16. arc top block; 17. motor; 18. gear. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-3The utility model provides a new technical solution: a vacuum melting furnace with a waste heat recovery device, comprising a vacuum melting furnace body 1 and a waste heat recovery component 3, a waste heat recovery pipe 2 is fixedly connected between the vacuum melting furnace body 1 and the waste heat recovery component 3, a uniform cleaning and impurity removal mechanism for cleaning impurities attached to the waste heat recovery pipe 2, the uniform cleaning and impurity removal mechanism is located on the waste heat recovery pipe 2, the uniform cleaning and impurity removal mechanism comprises a gear ring 4, the gear ring 4 is sleeved on the outer surface of the waste heat recovery pipe 2, the gear ring 4 is rotatably connected to the waste heat recovery component 3, a motor 17 is fixedly connected to the front surface of the waste heat recovery component 3 with bolts, a gear 18 is fixedly sleeved on the outer surface of the output shaft of the motor 17, the gear 18 is meshed with the gear ring 4, a trigger bevel 5 is welded and fixed to the lower surface of the gear ring 4, a plurality of knocking and oscillating components are arranged on the lower surface of the waste heat recovery component 3, and the knocking and oscillating components are used to knock off impurities attached to the inner wall of the waste heat recovery pipe 2.
[0021] Furthermore, multiple knocking and oscillating components are evenly arranged in a circular array, and the knocking and oscillating components include a folding slide rail 6, which is bolted and fixed to the lower surface of the waste heat recovery component 3, and the folding slide rail 6 is set at 45° to the waste heat recovery component 3.
[0022] Furthermore, a sliding block 7 is slidably connected in the folding slide rail 6, and a knocking block 8 is fixedly connected to the lower end of the sliding block 7. The knocking block 8 is used to knock the waste heat recovery pipe 2, and sliding grooves 9 are provided on both sides of the folding slide rail 6.
[0023] Furthermore, slide posts 10 are welded and fixed on both sides of the sliding block 7 , and the slide posts 10 extend out of the outer surface of the slide groove 9 , and slide groove rails 11 are welded and fixed on both sides of the folding slide rail 6 .
[0024] Furthermore, the two slide rails 11 are slidably connected with slide rails 12, and the two slide rails 12 are integrally formed with slide plates 13 at one end close to the waste heat recovery pipe 2, and the opposite ends of the two slide columns 10 are slidably connected to the inner wall of the slide plate 13.
[0025] Furthermore, an arc-shaped top block 16 is welded and fixed between one end of the two slide rails 12 close to the waste heat recovery pipe 2, and the arc-shaped top block 16 is adapted to the trigger bevel block 5. A tension spring fixing plate 14 is welded and fixed to one end of the two slide rails 12 away from the waste heat recovery pipe 2, and a tension spring 15 is fixedly connected between the tension spring fixing plate 14 and the folding slide rail 6.
[0026] Furthermore, when in use, the container for holding the waste is placed below the waste heat recovery pipe 2 in the vacuum melting furnace body 1 and then the motor 17 is started. The output shaft of the motor 17 drives the gear ring 4 to rotate through the gear 18 thereon, so that the tension spring fixing plate 14 can drive the triggering inclined block 5 thereon to move at the same time. When the inclined surface of the triggering inclined block 5 is released from the arc-shaped top block 16, the two slide rails 12 will be driven to move away from the waste heat recovery pipe 2. At this time, the tension spring 15 will be stretched and deformed. At the same time, the moving slide rail 12 will drive the slide column 10 and the sliding block 7 to move outward through the slide groove plate 13 thereon, so that the knocking block 8 can gradually move obliquely upward away from the waste heat recovery pipe 2, and when the arc-shaped top block 1 When 6 is disengaged from the triggering inclined block 5, the tension spring 15 provided will drive the slide rail 12 to retract quickly, so that the slide groove plate 13 thereon can drive the slide column 10 and the sliding block 7 to move simultaneously, thereby driving the knocking block 8 to hit the outer surface of the waste heat recovery pipe 2, and the continuously rotating sliding block 7 can drive multiple knocking and oscillating components to operate one by one through the triggering inclined block 5, so that the waste heat recovery pipe 2 can receive the oblique downward impact force from multiple directions, so that the impurities on the inner wall of the waste heat recovery pipe 2 can be separated by the impact force, effectively removing obstacles and impurities that affect heat conduction, so that heat can be transferred more smoothly, while also avoiding the time-consuming and labor-intensive manual cleaning, and improving the efficiency of waste heat recovery to a certain extent.
[0027] Furthermore, the uniform cleaning and impurity removal mechanism can be used to clean impurities attached to the inner wall of the pipeline by vibration, which not only helps to improve the heat recovery efficiency of the equipment and reduce energy consumption, but also helps to extend the service life of the equipment, ensure production continuity and enhance equipment safety. It also prevents the occurrence of problems such as pipeline blockage or rupture, and ensures the continuous and stable operation of the smelting furnace.
[0028] Working principle: When in use, place the container for the waste material below the waste heat recovery pipe 2 in the vacuum melting furnace body 1 and then start the motor 17. The output shaft of the motor 17 drives the gear ring 4 to rotate through the gear 18 thereon, so that the tension spring fixing plate 14 can drive the triggering inclined block 5 thereon to move at the same time. When the inclined surface of the triggering inclined block 5 and the arc-shaped top block 16 are released, the two slide rails 12 will be driven to move away from the waste heat recovery pipe 2. At this time, the tension spring 15 will be stretched and deformed. At the same time, the moving slide rail 12 will drive the slide column 10 and the sliding block 7 to move outward through the slide groove plate 13 thereon, so that the knocking block 8 can Gradually move obliquely upward away from the waste heat recovery pipe 2, and when the arc-shaped top block 16 disengages from the triggering inclined block 5, the set tension spring 15 will drive the slide rail 12 to retract quickly, so that the slide groove plate 13 thereon can drive the slide column 10 and the sliding block 7 to move at the same time, thereby driving the knocking block 8 to hit the outer surface of the waste heat recovery pipe 2, and the continuously rotating sliding block 7 can drive multiple knocking and oscillation components to operate one by one through the triggering inclined block 5, so that the waste heat recovery pipe 2 can receive oblique downward impact forces from multiple directions, so that the impurities on the inner wall of the waste heat recovery pipe 2 can be separated by its impact force and vibration, effectively removing obstacles and impurities that affect heat conduction.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A vacuum melting furnace with a waste heat recovery device, characterized in that: It comprises a vacuum melting furnace body (1) and a waste heat recovery component (3), wherein a waste heat recovery pipeline (2) is fixedly connected between the vacuum melting furnace body (1) and the waste heat recovery component (3); A uniform cleaning and impurity removal mechanism for cleaning impurities attached to the waste heat recovery pipe (2), the uniform cleaning and impurity removal mechanism being located on the waste heat recovery pipe (2), the uniform cleaning and impurity removal mechanism comprising a gear ring (4), the gear ring (4) being sleeved on the outer surface of the waste heat recovery pipe (2), the gear ring (4) being rotatably connected to the waste heat recovery component (3), and a motor (17) being fixedly connected to the front surface of the waste heat recovery component (3) by bolts; A gear (18) is fixedly sleeved on the outer surface of the output shaft of the motor (17), the gear (18) is meshingly connected with the gear ring (4), a trigger bevel (5) is welded and fixed on the lower surface of the gear ring (4), and a plurality of knocking and oscillating components are arranged on the lower surface of the waste heat recovery component (3), and the knocking and oscillating components are used to knock off impurities attached to the inner wall of the waste heat recovery pipe (2).
2. The vacuum melting furnace with a waste heat recovery device according to claim 1, characterized in that: The plurality of knocking and oscillating components are evenly arranged in a circular array, and the knocking and oscillating components include a folding slide rail (6), which is bolted and fixedly connected to the lower surface of the waste heat recovery component (3), and the folding slide rail (6) is arranged at 45 degrees to the waste heat recovery component (3).
3. The vacuum melting furnace with a waste heat recovery device according to claim 2, characterized in that: A sliding block (7) is slidably connected inside the folding slide rail (6), a knocking block (8) is fixedly connected to the lower end of the sliding block (7), and the knocking block (8) is used to knock the waste heat recovery pipe (2). Slide grooves (9) are provided on both sides of the folding slide rail (6).
4. The vacuum melting furnace with a waste heat recovery device according to claim 3, characterized in that: Sliding columns (10) are welded and fixed on both sides of the sliding block (7), and the sliding columns (10) extend out of the outer surface of the sliding groove (9). Sliding groove rails (11) are welded and fixed on both sides of the folding sliding rail (6).
5. The vacuum melting furnace with a waste heat recovery device according to claim 4, characterized in that: The two slide rails (11) are both slidably connected with a slide rail (12), and the ends of the two slide rails (12) close to the waste heat recovery pipe (2) are integrally formed with a slide plate (13), and the ends of the two slide columns (10) facing away from each other are both slidably connected to the inner wall of the slide plate (13).
6. The vacuum melting furnace with a waste heat recovery device according to claim 5, characterized in that: An arc-shaped top block (16) is welded and fixed between the ends of the two slide rails (12) close to the waste heat recovery pipe (2), and the arc-shaped top block (16) is compatible with the trigger inclined block (5). A tension spring fixing plate (14) is welded and fixed to the ends of the two slide rails (12) away from the waste heat recovery pipe (2), and a tension spring (15) is fixedly connected between the tension spring fixing plate (14) and the folding slide rail (6).