Aluminum ingot preheating device based on waste heat of smelting furnace
By preheating the aluminum ingot using the waste heat of the melting furnace flue gas in the aluminum ingot preheating device, the problem of low preheating efficiency of aluminum ingots is solved, and efficient utilization of resources and improvement of aluminum ingot smelting efficiency is achieved.
Patent Information
- Application Number
- CN202420116857.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-17
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-01-17
AI Technical Summary
In the production of aluminum products, the waste heat of flue gas generated by the smelting furnace cannot be effectively utilized, resulting in waste of resources and affecting the preheating efficiency of aluminum ingots.
An aluminum ingot preheating device based on the waste heat of the melting furnace is designed, and the flue gas waste heat of the melting furnace is introduced into the bearing pipe using a combined structure of the first gas guide plate, the first gas guide cavity, the second gas guide plate and the bearing pipe. , preheat the aluminum ingot through high-temperature flue gas, and facilitate the push and operation of the aluminum ingot through sealed bearings.
It improves the utilization of resources, simplifies operations, improves the smelting efficiency of aluminum ingots, and facilitates the preheating treatment of aluminum ingots, reducing the direct smelting time of aluminum ingots.
Smart Images
Figure CN222336066U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aluminum ingot preheating, in particular to an aluminum ingot preheating device based on the waste heat of a smelting furnace. Background Art
[0002] Aluminum is a silvery-white metal, ranking third in the earth's crust after oxygen and silicon. Aluminum has a low density, only 34.61% of iron and 30.33% of copper, so it is also called a light metal. Aluminum is the world's second largest non-ferrous metal in terms of production and usage, second only to steel. The density of aluminum is only 2.7103g / cm 3 , which is about 1 / 3 of the density of steel, copper or brass. Because aluminum is light, it is often used in the manufacture of land, sea and air transportation vehicles such as cars, trains, subways, ships, airplanes, rockets, and spacecraft to reduce their own weight and increase their load capacity.
[0003] The raw material in our daily industry is called aluminum ingot. When making aluminum products, the aluminum ingot needs to be put into the smelting furnace for smelting first, and then the molten aluminum liquid is poured into the designated mold for cooling and forming. Therefore, a smelting furnace is needed during production. At present, when the smelting furnace is working, the exhaust gas contains a lot of heat. If it is discharged directly, it is a waste of resources. Therefore, the utilization of the waste heat of the smelting furnace flue gas is also a problem.
[0004] Therefore, it is necessary to provide an aluminum ingot preheating device based on the waste heat of the smelting furnace to solve the above technical problems. Utility Model Content
[0005] The utility model provides an aluminum ingot preheating device based on the residual heat of a smelting furnace, which solves the problems in the prior art.
[0006] In order to solve the above technical problems, the utility model provides an aluminum ingot preheating device based on the waste heat of a smelting furnace, including a device body, a first air guide plate is arranged at the bottom end of the device body through a support rod, a second air guide plate is arranged at the top of the first air guide plate, a first air guide cavity is opened inside the first air guide plate, a second air guide cavity is opened inside the second air guide plate, the second air guide cavity is through-connected with the first air guide cavity, a load-bearing tube is movably installed on the surface of the second air guide plate through a sealed bearing, the load-bearing tube is through-connected with the second air guide cavity, and an insulation plate is arranged on the inner wall surface of the device body.
[0007] Preferably, the supporting tubes are provided in a plurality of groups, and the plurality of groups of supporting tubes are installed on the surface of the first air guide plate at equal distances up and down, and each group of the supporting tubes is provided with a plurality of supporting tubes.
[0008] Preferably, two second air guide plates are provided, and the two second air guide plates are symmetrically installed on the top surface of the first air guide plate, and a sealing plate is provided at one end of the first air guide plate and the second air guide plate.
[0009] Preferably, an air inlet pipe is arranged below the surface of the device body, the air inlet pipe passes through the surface of the device body and is connected to the first air guide plate, and an exhaust pipe is arranged above the surface of the device body, one end of the exhaust pipe passes through the surface of the device body and is connected to the second air guide plate.
[0010] Preferably, a sealed door is movably installed on the surface of the device body via hinges, and a transparent observation window is installed on the surface of the sealed door.
[0011] Preferably, a support column is vertically arranged at the bottom end of the device body, a base is arranged at the bottom end of the support column, a plurality of support columns are arranged, and the plurality of support columns are equidistantly installed between the device body and the base.
[0012] Preferably, a universal wheel is provided at the bottom end of the base, and a plurality of universal wheels are provided, and the plurality of universal wheels are respectively installed at the four corners of the bottom end of the base.
[0013] Compared with the related art, the aluminum ingot preheating device based on the waste heat of the smelting furnace provided by the utility model has the following beneficial effects:
[0014] 1. Compared with the prior art, the aluminum ingot preheating device based on the waste heat of the smelting furnace is convenient for utilizing the waste heat of the flue gas of the smelting furnace by setting the first air guide plate, the first air guide cavity, the second air guide plate, the second air guide cavity and the supporting tube for coordinated use, so as to preheat the aluminum ingot to be smelted, thereby improving the utilization of resources, so that during operation, the staff puts the aluminum ingot on the supporting tube in advance, and then the staff connects the flue gas outlet of the smelting furnace through the air inlet pipe, so that the flue gas generated by the smelting furnace can enter the first air guide cavity through the air inlet pipe, and then the flue gas enters the inside of the supporting tube through the first air guide cavity and the second air guide cavity, and then the high-temperature flue gas heats the supporting tube, so that the supporting tube preheats the aluminum ingot carried on the surface, this method is simple to operate, convenient for utilizing the waste heat in the flue gas of the smelting furnace, and also plays a role in preheating the aluminum ingot, so as to improve the smelting efficiency of the aluminum ingot in the later stage, and secondly, the supporting tube and the second air guide plate are movably arranged through the sealed bearing, so as to facilitate the pushing of the aluminum ingot on the supporting tube, thereby facilitating the operation of the aluminum ingot. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of the aluminum ingot preheating device based on the residual heat of the smelting furnace provided by the utility model;
[0016] Figure 2 A schematic diagram of the internal structure of the aluminum ingot preheating device based on the residual heat of the smelting furnace provided by the utility model;
[0017] Figure 3A schematic diagram of the structure of the support tube of the aluminum ingot preheating device based on the residual heat of the smelting furnace provided by the utility model;
[0018] Figure 4 This is a schematic diagram of the sealed bearing structure of the aluminum ingot preheating device based on the residual heat of the smelting furnace provided by the utility model.
[0019] Numbers in the figure:
[0020] 1. Device body; 2. Sealed door; 3. Transparent observation window; 4. Exhaust pipe; 5. Universal wheel; 6. Base; 7. Support column; 8. Inlet pipe; 9. Second air guide plate; 10. Insulation plate; 11. Load-bearing tube; 12. First air guide plate; 13. First air guide cavity; 14. Second air guide cavity; 15. Sealed bearing. DETAILED DESCRIPTION
[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0022] First embodiment
[0023] Please refer to Figure 1-4 The aluminum ingot preheating device based on the waste heat of the smelting furnace includes a device body 1, a first air guide plate 12 is arranged at the bottom of the device body 1 through a support rod, a second air guide plate 9 is arranged at the top of the first air guide plate 12, a first air guide cavity 13 is opened inside the first air guide plate 12, a second air guide cavity 14 is opened inside the second air guide plate 9, the second air guide cavity 14 is connected to the first air guide cavity 13, a bearing tube 11 is movably installed on the surface of the second air guide plate 9 through a sealing bearing 15, the bearing tube 11 is connected to the second air guide cavity 14, and an insulation plate 10 is arranged on the inner wall surface of the device body 1.
[0024] By setting the first air guide plate 12, the first air guide cavity 13, the second air guide plate 9, the second air guide cavity 14 and the supporting tube, it is convenient to utilize the flue gas waste heat of the smelting furnace, so that the aluminum ingots to be smelted can be preheated, thereby improving the utilization of resources. During operation, the staff puts the aluminum ingots on the supporting tube 11 in advance, and then connects the staff to the flue gas outlet of the smelting furnace through the air inlet pipe 8, so that the flue gas generated by the smelting furnace can enter the first air guide cavity 13 through the air inlet pipe 8. Then the flue gas enters the interior of the supporting tube through the first air guide cavity 13 and the second air guide cavity 14, and then the high-temperature flue gas heats the supporting tube 11, so that the supporting tube 11 preheats the aluminum ingot carried on the surface. This method is simple to operate and is convenient for utilizing the waste heat in the flue gas of the smelting furnace. It also plays a role in preheating the aluminum ingot, which is convenient for improving the later smelting efficiency of the aluminum ingot. Secondly, the supporting tube and the second air guide plate 9 are movably arranged through the sealed bearing 15, which is convenient for pushing the aluminum ingot on the supporting tube 11, thereby facilitating the operation of the aluminum ingot.
[0025] The working principle of the aluminum ingot preheating device based on the waste heat of the smelting furnace provided by the utility model is as follows:
[0026] During operation of the aluminum ingot preheating device based on the waste heat of the smelting furnace, the staff puts the aluminum ingot on the supporting tube 11 in advance, and then connects the inlet pipe 8 to the smoke outlet of the smelting furnace, so that the smoke generated by the smelting furnace can enter the first air guide cavity 13 through the inlet pipe 8, and then the smoke enters the interior of the supporting tube through the first air guide cavity 13 and the second air guide cavity 14. Then the high-temperature smoke heats the supporting tube 11, so that the supporting tube 11 preheats the aluminum ingot carried on the surface. This method is simple to operate and is convenient for utilizing the waste heat in the smoke of the smelting furnace. It also plays a role in preheating the aluminum ingot, which is convenient for improving the smelting efficiency of the aluminum ingot in the later stage. Secondly, the supporting tube and the second air guide plate 9 are movably arranged through the sealed bearing 15, which is convenient for pushing the aluminum ingot on the supporting tube 11, thereby facilitating the operation of the aluminum ingot.
[0027] Second embodiment
[0028] Please refer to Figure 1-4 Based on the aluminum ingot preheating device based on the residual heat of the smelting furnace provided in the first embodiment of the present application, the second embodiment of the present application proposes another aluminum ingot preheating device based on the residual heat of the smelting furnace. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.
[0029] Specifically, the difference of the aluminum ingot preheating device based on the waste heat of the smelting furnace provided by the second embodiment of the present application is that the supporting tubes 11 are provided in multiple groups, and the multiple groups of supporting tubes 11 are installed on the surface of the first air guide plate 12 at equal distances up and down, and each group of the supporting tubes 11 is provided with multiple ones, and the second air guide plates 9 are provided with two, and the two second air guide plates 9 are symmetrically installed on the top surface of the first air guide plate 12, and a sealing plate is provided at one end of the first air guide plate 12 and the second air guide plate 9. By providing multiple groups of supporting plates, it is convenient to preheat multiple aluminum ingots at one time.
[0030] By adopting this technical solution, an air inlet pipe 8 is arranged below the surface of the device body 1, and the air inlet pipe 8 passes through the surface of the device body 1 and is connected to the first air guide plate 12. An exhaust pipe 4 is arranged above the surface of the device body 1, and one end of the exhaust pipe 4 passes through the surface of the device body 1 and is connected to the second air guide plate 9. By arranging the air inlet pipe 8, it is convenient to improve the connection between the air inlet pipe 8 and the smoke outlet of the smelting furnace, so that the smoke is transported to the inside of the device body 1 through the air inlet pipe 8, and the aluminum ingots inside the device body 1 are preheated. By arranging the exhaust pipe 4, it is convenient to discharge the gas.
[0031] With this technical solution, a sealed door 2 is movably installed on the surface of the device body 1 through hinges, and a transparent observation window 3 is installed on the surface of the sealed door 2. By providing the transparent observation window 3, the situation inside the device body 1 is easily observed.
[0032] By adopting this technical solution, a support column 7 is vertically arranged at the bottom end of the device body 1, and a base 6 is arranged at the bottom end of the support column 7. There are multiple support columns 7, and multiple support columns 7 are installed at equal distances between the device body 1 and the base 6. By setting the base 6, it is convenient to support the device body 1, thereby improving the stability of the device body 1 during operation.
[0033] With this technical solution, a universal wheel 5 is provided at the bottom of the base 6, and a plurality of universal wheels 5 are provided, and the plurality of universal wheels 5 are respectively installed at the four corners of the bottom of the base 6. By providing the universal wheels 5, it is convenient to move the device body 1, and it is convenient to move the device body 1 to the side of the smelting furnace, which is convenient for preheating the aluminum ingots and facilitating the later smelting of the aluminum ingots.
[0034] It should be noted that all kinds of components used in this application document are standard parts and can be purchased on the market. The specific connection methods of each part adopt conventional means such as mature bolts, rivets and welding in the existing technology. Machinery, parts and electrical equipment all adopt conventional models in the existing technology. Circuit connections adopt conventional connection methods in the existing technology. Electrical equipment are connected to an external safe power supply, and no specific description is given here.
[0035] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. An aluminum ingot preheating device based on the waste heat of a smelting furnace, comprising a device body (1), characterized in that: A first air guide plate (12) is arranged at the bottom of the device body (1) through a support rod, a second air guide plate (9) is arranged at the top of the first air guide plate (12), a first air guide cavity (13) is provided inside the first air guide plate (12), a second air guide cavity (14) is provided inside the second air guide plate (9), the second air guide cavity (14) is connected to the first air guide cavity (13), a bearing tube (11) is movably mounted on the surface of the second air guide plate (9) through a sealing bearing (15), the bearing tube (11) is connected to the second air guide cavity (14), and a heat preservation plate (10) is arranged on the inner wall surface of the device body (1).
2. The aluminum ingot preheating device based on the residual heat of the smelting furnace according to claim 1 is characterized in that: The supporting tubes (11) are provided in a plurality of groups, and the plurality of groups of supporting tubes (11) are installed at equal distances up and down on the surface of the first air guide plate (12), and each group of the supporting tubes (11) is provided with a plurality of supporting tubes.
3. The aluminum ingot preheating device based on smelting furnace waste heat according to claim 1, characterized in that: Two second air guide plates (9) are provided, and the two second air guide plates (9) are symmetrically mounted on the top surface of the first air guide plate (12), and sealing plates are provided at one end of the first air guide plate (12) and the second air guide plate (9).
4. The aluminum ingot preheating device based on the residual heat of the smelting furnace according to claim 1 is characterized in that: An air intake pipe (8) is arranged below the surface of the device body (1), and the air intake pipe (8) penetrates the surface of the device body (1) and is connected to the first air guide plate (12); an exhaust pipe (4) is arranged above the surface of the device body (1), and one end of the exhaust pipe (4) penetrates the surface of the device body (1) and is connected to the second air guide plate (9).
5. The aluminum ingot preheating device based on the residual heat of the smelting furnace according to claim 1 is characterized in that: A sealed door (2) is movably mounted on the surface of the device body (1) via hinges, and a transparent observation window (3) is mounted on the surface of the sealed door (2).
6. The aluminum ingot preheating device based on the residual heat of the smelting furnace according to claim 1 is characterized in that: A support column (7) is vertically arranged at the bottom end of the device body (1), and a base (6) is arranged at the bottom end of the support column (7). A plurality of support columns (7) are arranged, and the plurality of support columns (7) are installed at equal distances between the device body (1) and the base (6).
7. The aluminum ingot preheating device based on the residual heat of the smelting furnace according to claim 6 is characterized in that: The bottom end of the base (6) is provided with a universal wheel (5), and a plurality of universal wheels (5) are provided, and the plurality of universal wheels (5) are respectively installed at the four corners of the bottom end of the base (6).