An energy-saving AOD furnace with a self-heat collection function

By using an combination of alkali metal thermoelectric converter, heat conduction pipe, temperature regulator, heat absorber and battery in the AOD furnace, the problem that existing AOD furnaces cannot effectively collect and utilize heat, achieving efficient collection and utilization of heat, and avoiding energy waste.

CN115325838BActive Publication Date: 2025-05-27XIANGSHUI HANG STAINLESS STEEL CASTING CO LTD
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Patent Information

Application Number
CN202210881010.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-26
Publication Date
2025-05-27
Estimated Expiration
2042-07-26

AI Technical Summary

Technical Problem

Existing AOD furnaces cannot effectively collect and utilize the heat emitted from the furnace body, resulting in waste of energy.

Method used

An energy-saving AOD furnace with its own heat collection function is designed, using a combination of alkali metal thermoelectric converter, heat conduction tube, temperature regulator, heat absorber and battery. Through the mutual cooperation of these components, the heat of the furnace body is collected and the electric energy is converted and stored.

Benefits of technology

It realizes efficient collection and utilization of heat, avoids energy waste, and facilitates stable lifting and rotational operation of the furnace body through the pouring function.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides an energy-saving AOD furnace with a built-in heat collection function, which relates to the technical field of metal smelting and solves the problem that heat collection and utilization cannot be achieved at present. It includes a foundation and a furnace body. One side of the top of the foundation is provided with an alkali metal thermoelectric converter. The input end of the alkali metal thermoelectric converter is connected with a heat conduction pipe, and a temperature regulator is sleeved on the outer wall of the heat conduction pipe. One end of the heat conduction pipe is connected with a heat absorption joint, and the heat absorption joint is located directly above the furnace body, and there is a gap space between the furnace body and the heat absorption joint. One side of the outer wall of the alkali metal thermoelectric converter is provided with a storage battery. Both sides of the outer wall of the furnace body are respectively connected with mounting plates, and one side of each of the two mounting plates is respectively connected with a flange. The mounting plates are connected with a shaft rod through the flanges, and a sleeve is rotatably connected to the outer wall of the shaft rod. This invention realizes the function of heat recovery and reuse, thereby avoiding the phenomenon of energy waste.
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Description

Technical Field

[0001] The present invention belongs to the technical field of metal smelting, and more specifically, particularly relates to an energy-saving AOD furnace with a built-in heat collection function. Background Art

[0002] The AOD furnace is a refining equipment for the argon oxygen refining method. Its shape is similar to that of a converter. The furnace body is placed on a tilting trunnion ring and fixed by pins. Among them, the AOD furnace method (i.e., the argon oxygen decarburization method) is an advanced technology for refining stainless steel and is widely used in steel manufacturing.

[0003] Based on the above, the inventor of the present invention found the following problems: The current AOD furnace usually adopts a single structure, resulting in the heat dissipated inside the furnace body unable to be collected and utilized, thereby causing energy waste.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and an energy-saving AOD furnace with a built-in heat collection function is provided, in order to achieve a more practical value. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention provides an energy-saving AOD furnace with a built-in heat collection function to solve the problem that heat collection and utilization cannot be achieved currently.

[0006] The purpose and effect of the energy-saving AOD furnace with a built-in heat collection function of the present invention are achieved by the following specific technical means:

[0007] An energy-saving AOD furnace with a built-in heat collection function includes a foundation and a furnace body. On one side of the top of the foundation, an alkali metal thermoelectric converter is installed. The input end of the alkali metal thermoelectric converter is connected to a heat conduction pipe, and a temperature regulator is sleeved on the outer wall of the heat conduction pipe. One end of the heat conduction pipe is connected to a heat absorption joint. The heat absorption joint is located directly above the furnace body, and there is a gap space between the furnace body and the heat absorption joint. On one side of the outer wall of the alkali metal thermoelectric converter, a storage battery is installed. On both sides of the outer wall of the furnace body, mounting plates are respectively connected. On one side of the two mounting plates, flanges are respectively connected. The mounting plates are connected to a shaft rod through the flanges, and a sleeve is rotatably connected to the outer wall of the shaft rod.

[0008] Further, on the side edge of the top of the foundation, a box body is connected. Inside the box body, a first gear and a second gear are respectively movably connected. The first gear and the second gear are meshed with each other. One end of the shaft rod penetrates through the box body and is connected to one side of the first gear.

[0009] Further, on one side of the outer wall of the box body, a chassis is connected. Inside the chassis, a motor is installed. The output end of the motor penetrates through the box body and is in transmission connection with the second gear.

[0010] Furthermore, a pit is provided on the top surface of the foundation. A hydraulic cylinder is installed at the bottom end inside the pit. The output end of the hydraulic cylinder is connected to a bracket, and the top end of the bracket is in contact with the bottom end of the furnace body.

[0011] Furthermore, a support seat is installed at the bottom end of the sleeve, and the bottom end of the support seat is connected to the top end of the foundation.

[0012] Furthermore, a pair of fixed collar rings are sleeved on the outer wall of the furnace body, and one side of each of the pair of fixed collar rings is respectively connected to both ends of the mounting plate.

[0013] Furthermore, a limit ring is sleeved on one side of the outer wall of the shaft rod.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. For this energy-saving AOD furnace with a self-built heat collection function, through the mutual cooperation of the alkali metal thermoelectric converter, heat conduction tube, temperature regulator, heat absorption joint and storage battery, the AOD furnace has the function of collecting and utilizing heat. Through the connection of the heat absorption joint and the heat conduction tube, the heat emitted from the top of the furnace body is collected on a large scale, and through the temperature regulation control of the temperature regulator, the heat reaches an appropriate temperature, and then is input into the alkali metal thermoelectric converter to complete the conversion of electric energy, and then stored in the storage battery for supplying some electrical components in the AOD furnace. Then, through the cooperation of the flange, shaft rod, sleeve and mounting plate, it is convenient for the AOD furnace to realize the swinging function, so as to complete the dumping work;

[0016] 2. For this energy-saving AOD furnace with a self-built heat collection function, by utilizing the positional relationship between the heat absorption joint and the furnace body, it is convenient to efficiently collect the heat of the furnace body. And through the second gear driving the first gear, the first gear drives the shaft rod to rotate. Then, through the kinetic energy output of the motor, it is convenient for the second gear to realize a stable rotation function. At the same time, through the bracket at the output end of the hydraulic cylinder, it is convenient to lift the furnace body to keep it stable. The present invention realizes the function of heat recovery and reuse, thus avoiding the phenomenon of energy waste. Description of the Drawings

[0017] Figure 1 is the perspective view of the present invention.

[0018] Figure 2 is the sectional view of the box structure of the present invention.

[0019] Figure 3 is the sectional view of the pit structure of the present invention.

[0020] Figure 4 is the Figure 1 magnified schematic view of the structure A in the present invention.

[0021] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0022] 1. Foundation; 2. Furnace body; 3. Box body; 4. Chassis; 5. Support seat; 6. Heat absorption joint; 7. Heat conduction pipe; 8. Temperature regulator; 9. Alkali metal thermoelectric converter; 10. Storage battery; 11. Pit; 12. Fixed collar; 13. First gear; 14. Shaft rod; 15. Second gear; 16. Motor; 17. Limit ring; 18. Flange; 19. Mounting plate; 20. Hydraulic cylinder; 21. Bracket; 22. Sleeve. Specific embodiments

[0023] The following further describes the embodiments of the present invention in detail in conjunction with the drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more; the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Example:

[0027] As shown in the attached Figure 1 to the attached Figure 4 figure:

[0028] The present invention provides an energy-saving AOD furnace with a heat collection function, comprising a foundation 1 and a furnace body 2, an alkali metal thermoelectric converter 9 is installed on one side of the top of the foundation 1, a heat pipe 7 is connected to the input end of the alkali metal thermoelectric converter 9, and a temperature regulator 8 is sleeved on the outer wall of the heat pipe 7, one end of the heat pipe 7 is connected to a heat absorption joint 6, and the heat absorption joint 6 is located directly above the furnace body 2. By utilizing the positional relationship between the heat absorption joint 6 and the furnace body 2, it is convenient to efficiently collect the heat of the furnace body 2, and a gap space is provided between the furnace body 2 and the heat absorption joint 6, a battery 10 is installed on one side of the outer wall of the alkali metal thermoelectric converter 9, mounting plates 19 are respectively connected to both sides of the outer wall of the furnace body 2, flanges 18 are respectively connected to one side of the two mounting plates 19, the mounting plates 19 are connected to a shaft 14 through the flange 18, and a sleeve 22 is rotatably connected to the outer wall of the shaft 14.

[0029] Among them, the top side of the foundation 1 is connected to a box body 3, and the first gear 13 and the second gear 15 are movably connected on both sides of the inside of the box body 3. The first gear 13 and the second gear 15 are meshed with each other. One end of the shaft rod 14 passes through the box body 3 and is connected to one side of the first gear 13. The first gear 13 is driven by the second gear 15, so that the first gear 13 drives the shaft rod 14 to complete the rotation.

[0030] Among them, a chassis 4 is connected to one side of the outer wall of the box body 3, and a motor 16 is installed inside the chassis 4. The output end of the motor 16 runs through the box body 3 and is connected to the second gear 15 in transmission. The kinetic energy output of the motor 16 facilitates the second gear 15 to achieve a stable rotation function.

[0031] Among them, a pit 11 is set on the top surface of the foundation 1, and a hydraulic cylinder 20 is installed at the bottom end of the pit 11. The output end of the hydraulic cylinder 20 is connected to a bracket 21, and the top of the bracket 21 is in contact with the bottom end of the furnace body 2. The bracket 21 at the output end of the hydraulic cylinder 20 can easily lift the furnace body 2 to keep it stable.

[0032] A support base 5 is installed at the bottom end of the sleeve 22 , and the bottom end of the support base 5 is connected to the top end of the foundation 1 . The support of the support base 5 keeps the sleeve 22 stable.

[0033] Among them, a pair of fixing rings 12 are mounted on the outer wall of the furnace body 2, and one side of the pair of fixing rings 12 is respectively connected to the two ends of the mounting plate 19. By mounting the fixing rings 12, the mounting plate 19 can be kept stable.

[0034] A limiting ring 17 is sleeved on one side of the outer wall of the shaft rod 14 , and the limiting ring 17 is sleeved on the shaft rod 14 to prevent the shaft rod 14 from being displaced.

[0035] The specific usage and function of this embodiment are as follows:

[0036] When using the energy-saving AOD furnace with the self-contained heat collection function, first, install the AOD furnace in the designated working area and start the AOD furnace to conduct a running test. After ensuring stable operation, then input metal materials for smelting. Among them, through the connection of the heat absorption joint 6 and the heat conduction tube 7, the heat emitted from the top of the furnace body 2 is collected on a large scale, and through the temperature regulation of the temperature regulator 8, the heat reaches an appropriate temperature, and then is input into the alkali metal thermoelectric converter 9 to complete the conversion of electrical energy, and then stored in the storage battery 10 for supplying some electrical components in the AOD furnace. And the output end of the motor 16 drives the second gear 15, so that the second gear 15 drives the first gear 13 to rotate, and further promotes the shaft rod 14 to drive the furnace body 2 to complete tilting. The present invention realizes the function of heat recovery and reuse, and thus avoids the phenomenon of energy waste.

[0037] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the invention and its practical application, and to enable those of ordinary skill in the art to understand the invention so as to design various embodiments with various modifications suitable for a particular purpose.

Claims

1. An energy-saving AOD furnace with a self-contained heat collection function, characterized in that: It includes a foundation (1) and a furnace body (2). On one side of the top of the foundation (1), an alkali metal thermoelectric converter (9) is installed. The input end of the alkali metal thermoelectric converter (9) is connected to a heat conduction pipe (7), and a temperature regulator (8) is sleeved on the outer wall of the heat conduction pipe (7). One end of the heat conduction pipe (7) is connected to a heat absorption joint (6). The heat absorption joint (6) is located directly above the furnace body (2), and there is a gap space between the furnace body (2) and the heat absorption joint (6). On one side of the outer wall of the alkali metal thermoelectric converter (9), a storage battery (10) is installed. On both sides of the outer wall of the furnace body (2), mounting plates (19) are respectively connected. On one side of the two mounting plates (19), flanges (18) are respectively connected. The mounting plates (19) are connected to a shaft rod (14) through the flanges (18), and a sleeve (22) is rotatably connected to the outer wall of the shaft rod (14); On the side edge of the top of the foundation (1), a box body (3) is connected. Inside the box body (3), a first gear (13) and a second gear (15) are respectively movably connected. The first gear (13) and the second gear (15) are meshed with each other. One end of the shaft rod (14) penetrates through the box body (3) and is connected to one side of the first gear (13); On one side of the outer wall of the box body (3), a machine box (4) is connected. Inside the machine box (4), a motor (16) is installed. The output end of the motor (16) penetrates through the box body (3) and is in transmission connection with the second gear (15); On the top surface of the foundation (1), a pit (11) is provided. At the bottom end inside the pit (11), a hydraulic cylinder (20) is installed. The output end of the hydraulic cylinder (20) is connected to a bracket (21), and the top end of the bracket (21) is in contact with the bottom end of the furnace body (2); At the bottom end of the sleeve (22), a support seat (5) is installed. The bottom end of the support seat (5) is connected to the top of the foundation (1).

2. The energy-saving AOD furnace with a self-contained heat collection function according to claim 1, characterized in that: A pair of fixed collar rings (12) are sleeved on the outer wall of the furnace body (2). One side of the pair of fixed collar rings (12) is respectively connected to both ends of the mounting plate (19).

3. The energy-saving AOD furnace with a self-contained heat collection function according to claim 1, characterized in that: A limit ring (17) is sleeved on one side of the outer wall of the shaft rod (14).

Citation Information

Patent Citations

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    CN113078849A