A smelting device for scrap steel forging
By achieving direct connection between the bottom outlet of the furnace and the casting cavity, detachable plug control, and circumferential airflow heating in the scrap steel forging smelting device, the problems of heat loss and low mold replacement efficiency in scrap steel smelting equipment are solved, production efficiency and heat utilization rate are improved, and continuous production of multi-specification castings is supported.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING DIRUN MACHINERY MANUFACTURING CO LTD
- Filing Date
- 2025-06-17
- Publication Date
- 2026-07-14
Smart Images

Figure CN224499061U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel smelting technology, and in particular to a smelting device for scrap steel forging. Background Technology
[0002] Current scrap steel smelting equipment mostly adopts a design that separates the smelting furnace from the casting chamber. High-temperature molten metal needs to be transferred to the casting station via conveyor equipment, resulting in a heat loss rate of 20%-30% and high risks associated with manual operation. The induction heating area of traditional furnaces is concentrated in the bottom center; scrap steel accumulation easily causes uneven heating at the edges, requiring additional stirring devices, increasing energy consumption and slag formation. Molten metal discharge generally uses a fixed valve structure, which is prone to deformation and jamming under long-term high-temperature conditions. Repair and replacement require shutdown and furnace disassembly, severely impacting production efficiency. Furthermore, casting molds are mostly fixed to the bottom of the casting chamber with bolts, requiring multiple people to work together during mold changes, taking more than 30 minutes. Although existing technologies attempt to improve energy efficiency by optimizing heating power or adding insulation layers, they have not fundamentally solved the systemic defects such as process fragmentation, material discharge control risks, and low mold change efficiency. Utility Model Content
[0003] The purpose of this utility model is to address the inconvenience in steel smelting and casting by providing a smelting device for scrap steel forging.
[0004] A smelting apparatus for scrap steel forging, comprising:
[0005] The housing includes an upper furnace and a lower casting cavity; an induction coil heating plate is installed at the bottom of the furnace; an outlet is installed at the bottom of the induction coil heating plate; and a plug is detachably installed on the outlet.
[0006] An opening is provided on the front side of the furnace; a baffle is provided on the opening that can be opened and closed; a latch is provided on the baffle;
[0007] The furnace is equipped with air inlets on both sides;
[0008] A discharge port is provided on the front side of the casting cavity;
[0009] A placement plate; the placement plate is detachably located at the bottom of the casting cavity; a groove is provided at the bottom of the casting cavity; a pulley is provided at the bottom of the placement plate; the pulley is located in the groove; a mold is detachably mounted on the upper part of the placement plate.
[0010] Furthermore, a feeding device is provided at the top of the furnace; the feeding device is configured as a funnel structure and extends through the top of the furnace; a dispersing plate is provided at the bottom of the feeding device; the dispersing plate is configured as a cone structure; and openings are provided around the dispersing plate.
[0011] Furthermore, a pressure stabilization sensor is also installed on the top of the furnace.
[0012] Furthermore, an extension rod is provided at the rear end of the plug.
[0013] Furthermore, a limiting groove is provided on the upper surface of the placement plate; the mold is fastened to the top of the placement plate through the limiting groove.
[0014] Furthermore, a handle is provided at the front end of the placement plate; a grip is provided at the front end of the baffle.
[0015] The beneficial effects of this utility model are:
[0016] The molten metal is directly connected to the casting cavity through the bottom outlet of the furnace. The molten metal is directly poured through the control of the detachable plug, eliminating the transfer link and improving the heat energy utilization rate. At the same time, the air inlets on both sides form a circumferential airflow, which, together with the bottom heating of the induction coil, makes the scrap steel heat evenly. The detachable plug avoids the risk of high temperature deformation of traditional valves. The mold can be detached and disassembled by sliding through the placement plate of the chute-pulley structure. A single person can complete the mold replacement and support the continuous production of castings of multiple specifications. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 Disassembly diagram of this device;
[0019] Figure 3 This is a cross-sectional view of the device;
[0020] In the diagram, 1. Box body; 11. Baffle; 111. Handle; 112. Lock; 12. Feeding device; 121. Dispersion plate; 122. Opening; 13. Pressure stabilizing sensor; 14. Air inlet; 15. Induction coil heating plate; 151. Exhaust outlet; 16. Opening; 17. Furnace; 18. Casting cavity; 2. Placement plate; 21. Handle; 22. Pulley; 23. Limiting groove; 24. Slide groove; 3. Mold; 4. Plug; 41. Extension rod. Detailed Implementation
[0021] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.
[0022] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the drawings only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.
[0023] Example 1
[0024] like Figures 1-3 As shown:
[0025] A smelting apparatus for scrap steel forging, comprising:
[0026] The furnace 1 comprises an upper furnace 17 and a lower casting cavity 18. An induction coil heating plate 15 is installed at the bottom of the furnace 17. An outlet 151 is located at the bottom of the induction coil heating plate 15. A plug 4 is detachably installed on the outlet 151. An extension rod 41 is installed at the rear end of the plug 4. A pressure stabilizing sensor 13 is also installed at the top of the furnace 17. Specifically, the pressure stabilizing sensor 13 is a device or apparatus that can sense pressure signals and convert them into usable output electrical signals according to a certain rule. Pressure sensors typically consist of a pressure-sensitive element and a signal processing unit. Based on different test pressure types, pressure sensors can be classified as gauge pressure sensors, differential pressure sensors, and absolute pressure sensors.
[0027] A handle 111 is provided at the front end of the baffle 11. The furnace 17 is directly connected to the casting cavity 18 via the bottom outlet 151. The molten metal is directly poured into the furnace through a removable plug 4, eliminating the need for transfer and improving thermal energy utilization.
[0028] The furnace 17 has an opening 16 on its front side; a baffle 11 is provided on the opening 16 and can be opened and closed; a latch 112 is provided on the baffle 11; air inlets 14 are provided on both sides of the furnace 17; at the same time, the air inlets 14 on both sides form a circumferential airflow, which, together with the bottom heating of the induction coil, makes the scrap steel heated evenly, and the removable plug 4 avoids the risk of high-temperature deformation of traditional valves.
[0029] A discharge port is provided on the front side of the casting cavity 18;
[0030] A placement plate 2 is detachably located at the bottom of the casting cavity 18. A groove 24 is provided at the bottom of the casting cavity 18. A pulley 22 is provided at the bottom of the placement plate 2, and the pulley 22 is located within the groove 24. A mold 3 is detachably mounted on the upper part of the placement plate 2. A limiting groove 23 is provided on the upper surface of the placement plate 2. The mold 3 is fastened to the top of the placement plate 2 via the limiting groove 23. A handle 21 is provided at the front end of the placement plate 2. The placement plate 2 with its groove 24-pulley 22 structure allows for sliding assembly and disassembly of the mold 3, enabling a single person to replace the mold 3 and supporting continuous production of castings of various specifications.
[0031] A feeding device 12 is provided at the top of the furnace 17; the feeding device 12 is a funnel structure and extends through the top of the furnace 17; a dispersing plate 121 is provided at the bottom of the feeding device 12; the dispersing plate 121 is a conical structure; and openings 122 are arranged around the dispersing plate 121. This design achieves the function of adding flux during the smelting process and improving smelting efficiency.
[0032] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.
Claims
1. A smelting apparatus for scrap steel forging, characterized in that: include Box body (1); the box body (1) includes an upper furnace (17) and a lower casting cavity (18); an induction coil heating plate (15) is provided at the bottom of the furnace (17); an outlet (151) is provided at the bottom of the induction coil heating plate (15); a plug (4) is detachably provided on the outlet (151); An opening (16) is provided on the front side of the furnace (17); a baffle (11) is provided on the opening (16) in an openable and closable manner; a latch (112) is provided on the baffle (11). The furnace (17) has air inlets (14) on both sides. A discharge port is provided on the front side of the casting cavity (18); Placement plate (2); the placement plate (2) is detachably located at the bottom of the casting cavity (18); a groove (24) is provided at the bottom of the casting cavity (18); a pulley (22) is provided at the bottom of the placement plate (2); the pulley (22) is located in the groove (24); a mold (3) is detachably installed on the upper part of the placement plate (2).
2. The smelting apparatus for scrap steel forging according to claim 1, characterized in that: The furnace (17) is provided with a feeding device (12) at the top; the feeding device (12) is configured as a funnel structure and penetrates the top of the furnace (17); a dispersing plate (121) is provided at the bottom of the feeding device (12); the dispersing plate (121) is configured as a cone structure; and openings (122) are provided around the dispersing plate (121).
3. The smelting apparatus for scrap steel forging according to claim 1, characterized in that: A pressure stabilizing sensor (13) is also installed on the top of the furnace (17).
4. The smelting apparatus for scrap steel forging according to claim 1, characterized in that: An extension rod (41) is provided at the rear end of the plug (4).
5. The smelting apparatus for scrap steel forging according to claim 1, characterized in that: The upper surface of the placement plate (2) is provided with a limiting groove (23); the mold (3) is fastened to the top of the placement plate (2) through the limiting groove (23).
6. The smelting apparatus for scrap steel forging according to claim 1, characterized in that: The placement plate (2) is provided with a handle (21) at the front end; the baffle (11) is provided with a grip (111) at the front end.