Stokehole inoculation feeding device
By designing a pre-furnace feeding device and using electronic scales and cylinders to achieve automatic weighing and feeding, the problem of manual feeding agent addition in traditional casting production is solved, the quality of iron and feeding efficiency is improved, and waste and maintenance costs are reduced.
Patent Information
- Application Number
- CN202420557825.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-03-21
AI Technical Summary
In traditional casting production, the artificial addition of inoculant and other ingredients during the iron discharge process has problems such as harsh operating environment, subjective addition timing, poor addition effect and waste of ingredients.
A pre-furnace feeding device is designed, including an iron truck connected to the furnace and a weighing pre-furnace device. It uses an electronic scale and a cylinder to achieve automatic weighing and feeding, and the feeding agent slowly flows into the connecting iron bag through the chute.
It realizes automatic feeding in harsh environments, improves the quality of iron, reduces waste of feed, simple structure, convenient maintenance, and low cost.
Smart Images
Figure CN222710774U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of charging devices, in particular to a furnace front inoculation charging device. Background Art
[0002] There is a process in the molten iron production process of the melting department of a foundry production enterprise, which requires the addition of additives such as inoculant and carburizer during the process of pouring the molten iron in the electric furnace into the iron receiving ladle (iron tapping).
[0003] The traditional production method is to manually judge the timing during the iron-tapping process and manually sprinkle the weighed materials into the iron-receiving ladle. This production method has several disadvantages: ① The iron-tapping process is in an extremely harsh manual operation environment, and the health of workers is seriously threatened; ② The timing of adding materials is determined by human subjective judgment, which affects product quality; ③ Manual sprinkling of materials is instantaneous addition, which is not effective in adjusting the composition of molten iron; ④ The sprinkled materials are scattered outside the iron-receiving ladle, causing certain waste. In order to solve the above problems, this application proposes a furnace-front inoculation and feeding device. Utility Model Content
[0004] The purpose of the utility model is to provide a furnace front inoculation charging device which has low use cost, simple structure, convenient maintenance and can automatically inoculate with the flow. In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A furnace-front inoculation and feeding device, comprising a furnace-front iron receiving trolley and a plurality of smelting electric furnaces, a furnace platform is arranged at the bottom of the furnace-front iron receiving trolley, a mounting frame is installed on the furnace platform, a weighing and pre-feeding device is arranged on the mounting frame, the weighing and pre-feeding device comprises an electronic platform scale, a weighing bucket and a first chute, the electronic platform scale is installed on the mounting frame, the weighing bucket is placed on the electronic platform scale, the mounting frame is rotatably connected with a cylinder, the cylinder is rotatably connected with the first chute, two fixed blocks are fixedly connected to the mounting frame, the first chute is located between the two fixed blocks and is rotatably connected with the first chute, a driving unit is fixedly connected to the furnace-front iron receiving trolley, the output shaft of the driving unit is fixedly connected with a bag cover, the side wall of the bag cover is fixedly connected with a push rod, an iron receiving bag is provided on the furnace-front iron receiving trolley, a vehicle-mounted intermediate bucket is arranged below the first chute, a gate is connected to the side wall of the vehicle-mounted intermediate bucket, a second chute is fixedly connected to the bottom of the vehicle-mounted intermediate bucket, and the second chute is installed on the furnace-front iron receiving trolley.
[0006] Preferably, the furnace platform is installed on a smelting electric furnace.
[0007] Preferably, the driving unit is a motor.
[0008] Preferably, the vehicle-mounted intermediate bucket is disposed below the lower part of the first chute.
[0009] Preferably, the iron receiving ladle is arranged below the lower part of the second chute.
[0010] Preferably, opposite ends of the two fixed blocks are rotatably connected with rotating shafts, and the two rotating shafts are fixedly connected to the side walls of the first chute.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. At a fixed workstation on the furnace platform (for efficiency, the workstation is set at the position where the iron-receiving trolley in front of the furnace must pass every time it receives iron), add the pre-weighed inoculant, carburizer and other materials into the middle bucket on the iron-receiving trolley in front of the furnace at one time. When the iron-receiving trolley in front of the furnace arrives in front of the smelting electric furnace designated to be tapped and is ready to tap iron, the ladle cover rotates open to tap iron. When a certain amount of iron is tapped, the ladle cover continues to rotate a certain angle, driving the on-board hopper and chute to rotate, and at the same time, the gate of the on-board hopper is pushed open by the push rod.
[0013] 2. As the molten iron flows from the electric furnace into the iron receiving ladle, the material in the vehicle-mounted hopper slowly flows into the iron receiving ladle along the chute, achieving the purpose of automatic flow inoculation.
[0014] 3. It avoids the operation in harsh artificial environment, and the realization of flow inoculation can greatly improve the quality of molten iron. It does not need to add an additional driving source to the already complicated iron-connecting trolley in front of the furnace. It has a simple structure, high reliability and low maintenance cost.
[0015] In summary, the utility model has low use cost, simple structure, convenient maintenance, and can be automatically bred with the flow. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a usage state diagram of a furnace front inoculation and charging device proposed by the utility model;
[0017] Figure 2 It is a side view of the utility model, the furnace table and the iron receiving trolley in front of the furnace;
[0018] Figure 3 It is a front view of the utility model, the furnace table and the iron receiving trolley in front of the furnace.
[0019] In the figure: 1 iron receiving trolley in front of furnace, 2 weighing pre-feeding device, 3 smelting electric furnace, 4 electronic platform scale, 5 weighing bucket, 6 first chute, 7 vehicle-mounted intermediate bucket, 8 gate, 9 second chute, 10 ejector rod, 11 ladle cover, 12 driving unit, 13 furnace table, 14 iron receiving ladle, 15 cylinder, 16 fixing block. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] Reference Figure 1-Figure 3 A furnace-front inoculant feeding device comprises a furnace-front iron receiving trolley 1 and a plurality of smelting electric furnaces 3. A furnace platform 13 is arranged at the bottom of the furnace-front iron receiving trolley 1. The furnace platform 13 is installed on the smelting electric furnace 3. The furnace-front iron receiving trolley 1 moves on the furnace platform 13. A mounting frame is installed on the furnace platform 13. A weighing pre-feeding device 2 is arranged on the mounting frame. The weighing pre-feeding device 2 comprises an electronic platform scale 4, a weighing bucket 5 and a first chute 6. The electronic platform scale 4 is installed on the mounting frame. The weighing bucket 5 is placed on the electronic platform scale 4 and is used for manually adding an inoculant for weighing. After reaching the weight required by the process, the weighing bucket 5 is manually tipped over to pour the bulk inoculant in the bucket into the first chute 6.
[0022] The mounting frame is rotatably connected to a cylinder 15, which is rotatably connected to the first chute 6. Two fixed blocks 16 are fixedly connected to the mounting frame. The first chute 6 is located between the two fixed blocks 16 and is rotatably connected thereto. The opposite ends of the two fixed blocks 16 are rotatably connected to rotating shafts, and the two rotating shafts are fixedly connected to the side walls of the first chute 6. The first chute 6 is controlled by a manual air valve or a foot-operated air valve. The cylinder 15 drives the tail of the first chute 6 to lift up to form a larger inclination angle. During this process, the front end of the first chute 6 is always aligned with the bucket mouth of the vehicle-mounted intermediate bucket 7.
[0023] A driving unit 12 is fixedly connected to the iron receiving trolley 1 in front of the furnace, and a cover 11 is fixedly connected to the output shaft of the driving unit 12, and a top rod 10 is fixedly connected to the side wall of the cover 11. An iron receiving bag 14 is provided on the iron receiving trolley 1 in front of the furnace, and a vehicle-mounted intermediate bucket 7 is provided below the first chute 6. The vehicle-mounted intermediate bucket 7 is arranged below the lower part of the first chute 6, and a gate 8 is connected to the side wall of the vehicle-mounted intermediate bucket 7. A second chute 9 is fixedly connected to the bottom of the vehicle-mounted intermediate bucket 7, and the iron receiving bag 14 is arranged below the lower part of the second chute 9. The second chute 9 is installed on the iron receiving trolley 1 in front of the furnace. The device installs the vehicle-mounted intermediate bucket 7 equipped with a self-weight gate 8 on the cover 11 of the iron receiving trolley 1 in front of the furnace. Near the top, a second chute 9 inclined at a certain angle is set below the gate 8 for receiving materials. The vehicle-mounted intermediate bucket 7 and the second chute 9 can move with the ladle cover 11. The driving unit 12 is a motor. When the iron receiving work in front of the furnace starts, the motor of the driving unit 12 will drive the ladle cover 11 to rotate a certain angle to open the ladle cover 11 to meet the needs of iron receiving in front of the furnace. When the driving unit 12 drives the ladle cover 11 to rotate and open, the vehicle-mounted intermediate bucket 7 and the second chute 9 are driven to rotate together, and through the control program, when the iron receiving work in front of the furnace is executed for a certain time, the ladle cover 11 is driven to automatically continue to rotate a certain angle so that the end of the second chute 9 is just facing the cavity of the iron receiving ladle 14.
[0024] A push rod 10 fixed on the frame of the iron receiving trolley 1 in front of the furnace is an automatic unloading device. When the bag cover 11 of the iron receiving trolley 1 in front of the furnace is only rotated to open to the iron receiving angle, the push rod 10 is close to the gate 8 of the vehicle-mounted intermediate bucket 7. At this time, after the bag cover 11 continues to rotate and open a very small angle, the push rod 10 can push the self-weight gate 8 of the vehicle-mounted intermediate bucket 7, so that the bulk inoculant in the vehicle-mounted intermediate bucket 7 can flow into the iron receiving bag 14 along with the second chute 9, and as the bag cover 11 rotates in the opposite direction to complete the bag cover, the push rod 10 is away from the gate 8, and the gate 8 seals the hopper discharge port again by its own weight.
Claims
1. A furnace-front inoculation and charging device, comprising a furnace-front iron receiving trolley (1) and a plurality of smelting electric furnaces (3), characterized in that: A furnace table (13) is arranged at the bottom of the iron receiving trolley (1) in front of the furnace, a mounting frame is installed on the furnace table (13), a weighing pre-feeding device (2) is arranged on the mounting frame, and the weighing pre-feeding device (2) comprises an electronic platform scale (4), a weighing bucket (5) and a first chute (6), the electronic platform scale (4) is installed on the mounting frame, the weighing bucket (5) is placed on the electronic platform scale (4), the mounting frame is rotatably connected to a cylinder (15), the cylinder (15) is rotatably connected to the first chute (6), the mounting frame is fixedly connected to two fixed blocks (16), the first chute (6) is located between two fixed blocks (16) and the first chute (6) is located between two fixed blocks (16). The iron receiving trolley (1) in front of the furnace is fixedly connected to a driving unit (12), the output shaft of the driving unit (12) is fixedly connected to a bag cover (11), the side wall of the bag cover (11) is fixedly connected to a push rod (10), the iron receiving bag (14) is provided on the iron receiving trolley (1) in front of the furnace, a vehicle-mounted intermediate bucket (7) is provided below the first chute (6), the side wall of the vehicle-mounted intermediate bucket (7) is connected to a gate (8), the bottom of the vehicle-mounted intermediate bucket (7) is fixedly connected to a second chute (9), and the second chute (9) is installed on the iron receiving trolley (1) in front of the furnace.
2. A furnace inoculation and charging device according to claim 1, characterized in that: The furnace platform (13) is installed on the smelting electric furnace (3).
3. A furnace inoculation and charging device according to claim 1, characterized in that: The driving unit (12) is a motor.
4. A furnace inoculation and charging device according to claim 1, characterized in that: The vehicle-mounted intermediate bucket (7) is arranged below the lower part of the first chute (6).
5. The furnace inoculation and charging device according to claim 1, characterized in that: The iron receiving ladle (14) is arranged below the lower part of the second chute (9).
6. A furnace inoculation and charging device according to claim 1, characterized in that: The opposite ends of the two fixed blocks (16) are rotatably connected to a rotating shaft, and the two rotating shafts are fixedly connected to the side wall of the first chute (6).