Rotary steel-making auxiliary material heating furnace

Abstract

The invention discloses a rotary steelmaking auxiliary material heating furnace which comprises a cage type fixing seat, a roller is arranged in the cage type fixing seat, a rotating mechanism is arranged between the roller and the cage type fixing seat, and the rotating mechanism enables the roller to rotate by taking the central axis of the roller as the axis; the two ends of the roller are provided with a feeding bin door and a discharging bin door respectively, and the feeding bin door and the discharging bin door are connected with a feeding port opening mechanism and a discharging port opening mechanism respectively. A base is arranged below the cage type fixing seat, the cage type fixing seat is rotationally connected to the base, and a turnover mechanism is further arranged between the cage type fixing seat and the base. Through the arrangement of the rotating mechanism, the roller can rotate around the central axis of the roller, so that the steelmaking auxiliary materials in the roller are uniformly heated; by arranging the feeding port opening mechanism, the discharging port opening mechanism and the overturning mechanism, rapid loading and unloading of steelmaking auxiliary materials can be achieved, and using is more convenient.

Description

Technical Field

[0001] The invention relates to the technical field of steelmaking, in particular to a rotary steelmaking auxiliary material heating furnace. Background Art

[0002] During smelting, the auxiliary materials need to be heated before being added into the electric furnace, thereby increasing the reaction speed between the auxiliary materials and the molten steel and improving the smelting efficiency. However, the existing heating furnace body cannot rotate, and the uniformity of heating the auxiliary materials is poor, which affects the reaction speed between the auxiliary materials and the molten steel, and there is room for improvement. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a rotary steelmaking auxiliary material heating furnace.

[0004] The present invention is achieved by adopting the following technical solutions.

[0005] A rotary steelmaking auxiliary material heating furnace comprises a cage fixed seat, a drum is arranged in the cage fixed seat, a rotating mechanism is arranged between the drum and the cage fixed seat, and the rotating mechanism makes the drum rotate about the central axis of the drum; a feed bin door and a discharge bin door are arranged at both ends of the drum, and the feed bin door and the discharge bin door are connected with the feed port opening mechanism and the discharge port opening mechanism respectively; a base is arranged below the cage fixed seat, the cage fixed seat is rotatably connected to the base, and a flipping mechanism is also arranged between the cage fixed seat and the base.

[0006] Furthermore, the rotating mechanism includes a gear ring arranged on the outer wall of the drum, the gear ring is meshed with a gear sleeved on the output end of the driving device, and the driving device is fixed on a cage-type fixing seat.

[0007] Furthermore, a baking gun is fixed on the feeding bin door.

[0008] Furthermore, the feed port opening mechanism includes a feed port opening oil cylinder fixed on a cage-type fixing seat, and an output end of the feed port opening oil cylinder is connected to the feed bin door.

[0009] Furthermore, the discharge port opening mechanism includes a discharge port opening cylinder fixed on a cage-type fixed seat, the output end of the discharge port opening cylinder is connected to the discharge bin door connecting frame, and the free end of the discharge bin door connecting frame is connected to the discharge bin door cover of the discharge bin door through a bearing.

[0010] Furthermore, the turning mechanism includes a turning cylinder, and two ends of the turning cylinder are respectively connected to the cage fixing seat and the base.

[0011] Furthermore, a hopper is provided below the discharge bin door, and the hopper is fixed on the base.

[0012] Furthermore, the drum comprises a drum shell, and the drum shell is lined with refractory bricks.

[0013] This application has the following beneficial effects.

[0014] (1) The setting of the rotating mechanism of the present application can make the drum rotate around the central axis of the drum, thereby realizing uniform heating of the steelmaking auxiliary materials in the drum;

[0015] (2) The present application can realize rapid loading and unloading of steelmaking auxiliary materials by setting a feed port opening mechanism, a discharge port opening mechanism and a flipping mechanism, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention;

[0017] Figure 2 It is a schematic diagram of the drum structure of the present invention;

[0018] Figure 3 It is a schematic diagram of the installation of the cage-type fixing seat and the roller of the present invention;

[0019] Figure 4 It is a schematic diagram of the connection between the discharge bin door and the discharge port opening mechanism of the present invention;

[0020] Figure 5 It is a structural schematic diagram of the base and the hopper of the present invention;

[0021] Figure 6 It is a state diagram of the charging furnace in the auxiliary material charging process of the present invention;

[0022] Figure 7 It is a state diagram of the charging furnace in the auxiliary material heating process of the present invention;

[0023] Figure 8 It is a state diagram of the charging furnace in the auxiliary material discharging process of the present invention.

[0024] Among them, 1. Cage type fixed seat; 101. Support wheel; 102. Main rotating shaft; 2. Drum; 201. Drum shell; 202. Refractory brick; 3. Feed bin door; 4. Baking gun; 5. Feed port opening mechanism; 501. Feed port opening cylinder; 502. Feed bin door connecting frame; 503. Feed port opening cylinder mounting frame; 6. Discharge bin door; 601. Discharge bin door cover; 7. Discharge port opening mechanism; 701. Discharge port opening cylinder; 702. Discharge bin door connecting frame; 703. Discharge port opening cylinder mounting frame; 704. Bearing; 8. Gear ring; 9. Driving device; 10. Base; 1001. Support; 11. Hopper; 12. Turning cylinder; 13. Feed pipe. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] like Figure 1-5 As shown, a rotary steelmaking auxiliary material heating furnace mainly includes a cage fixed seat 1, a drum 2, a feed bin door 3, a feed port opening mechanism 5, a discharge bin door 6, a discharge port opening mechanism 7, a rotating mechanism, a base 10, and a turning mechanism.

[0027] The cage-type fixing seat 1 is a rectangular or square frame structure, and a supporting wheel 101 is provided at a corner of the cage-type fixing seat 1 . The supporting wheel 101 contacts the roller 2 and is used to fix and limit the roller 2 and allow the roller 2 to rotate in the cage-type fixing seat 1 .

[0028] The drum 2 is arranged in the cage-type fixing seat 1 . The drum 2 comprises a drum shell 201 . The drum shell 201 is formed by welding steel plates and is cylindrical in shape. The drum shell 201 is lined with refractory bricks 202 .

[0029] In the present application, a rotating mechanism is provided between the drum 2 and the cage-type fixed seat 1, and the rotating mechanism includes a gear ring 8 provided on the drum shell 201, and a driving device 9 is provided on the cage-type fixed seat 1, and a gear is provided on the output end of the driving device 9, and the gear is meshed with the gear ring 8. Specifically, the driving device 9 can be a motor, and when the motor works, the gear rotates, and the gear then drives the drum 2 provided with the gear ring 8 to rotate around the central axis of the drum, and the heated steelmaking auxiliary materials are located in the drum 2, and the auxiliary materials are evenly heated as the drum 2 moves.

[0030] A feed bin door 3 and a discharge bin door 6 are respectively disposed at both ends of the drum 2 , and the feed bin door 3 and the discharge bin door 6 are respectively connected to a feed port opening mechanism 5 and a discharge port opening mechanism 7 .

[0031] Specifically, the feed port opening mechanism 5 includes a feed port opening cylinder 501, a feed bin door connecting frame 502, and a feed port opening cylinder mounting frame 503. The feed port opening cylinder mounting frame 503 is fixed on the lower surface of the cage fixing seat 1, the feed port opening cylinder 501 is fixed to the middle of the feed port opening cylinder mounting frame 503, the output end of the feed port opening cylinder 501 is connected to one end of the feed bin door connecting frame 502, and the other end of the feed bin door connecting frame 502 is connected to the feed bin door 3; the middle of the feed bin door connecting frame 502 is also connected to the end of the feed port opening cylinder mounting frame 503. Under the drive of the feed port opening cylinder 501, the closing and opening of the feed bin door 3 are realized.

[0032] Specifically, the discharge port opening mechanism 7 includes a discharge port opening cylinder 701, a discharge port door connecting frame 702, and a discharge port opening cylinder mounting frame 703. The discharge port opening cylinder mounting frame 703 is fixed on the upper surface of the cage-type fixing seat 1, the discharge port opening cylinder 701 is fixed to the middle of the discharge port opening cylinder mounting frame 703, the output end of the discharge port opening cylinder 701 is connected to one end of the discharge port door connecting frame 702, the other end of the discharge port door connecting frame 702 is connected to the discharge port door cover 601 of the discharge port door 6 through a bearing 704, and the middle of the discharge port door connecting frame 702 is also connected to the end of the discharge port opening cylinder mounting frame 703. Under the drive of the discharge port opening cylinder 701, the closing and opening of the discharge port door 6 are realized. The discharge bin door cover 601 is provided with a bearing 704 which can rotate around the central axis of the discharge bin door cover 601 , so that during operation, the discharge bin door 601 can cover the drum 2 closely and rotate synchronously with the drum 2 .

[0033] A baking gun 4 is fixed on the feed bin door 3 of the present application to heat the steelmaking auxiliary materials. The baking gun 4 is installed at a certain angle to heat the lower part of the drum 2. A temperature measuring device is provided at the discharge bin door 6 to detect the discharge temperature of the steelmaking auxiliary materials.

[0034] A base 10 is provided below the cage-type fixed seat 1 of the present application, and the base 10 includes a bottom frame and supports 1001 arranged on both sides of the bottom frame. The base 10 is rotatably connected to the cage-type fixed seat 1. Specifically, a main rotating shaft 102 is provided in the middle of the outer wall of the cage-type fixed seat 1, and the main rotating shaft 102 is passed through the shaft hole at the top of the support 1001, so as to achieve the fixation of the cage-type fixed seat 1. A flipping mechanism is also provided between the cage-type fixed seat 1 and the base 10, and the flipping mechanism includes a flipping cylinder 12, one end of the flipping cylinder 12 is fixed to the bottom frame of the base 10, and the output end is connected to the bottom of the cage-type fixed seat 1. Under the action of the flipping cylinder 12, the cage-type fixed seat 1 and the drum 2 can rotate around the main rotating shaft 102 to achieve the feeding and unloading of steelmaking auxiliary materials.

[0035] A hopper 11 is also fixed on the bottom frame of the cage-type fixing seat 1, and the hopper 11 is used to receive the heated steelmaking auxiliary materials.

[0036] The working process of the present invention is as follows:

[0037] like Figure 6 As shown, under the action of the turning cylinder 12, the drum 2 tilts at a certain angle, at which time the feed bin door 3 is opened under the action of the feed port opening mechanism 5, and steelmaking auxiliary materials are added into the drum 2 from the feed pipe 13 above.

[0038] After the material is added, the feed bin door 3 is closed by the feed port opening mechanism 5, and the drum 2 is restored to a horizontal state by the action of the turning cylinder 12, and the drum 2 is rotated by the rotation mechanism. The baking gun 4 is turned on to heat the steelmaking auxiliary materials. The temperature measuring device detects the temperature of the auxiliary materials. When it reaches the set temperature, the heating is stopped and the material is ready for discharge (such as Figure 7 shown).

[0039] The drum 2 is tilted at a certain angle under the action of the turning cylinder 12, and the discharge bin door 6 is opened under the action of the discharge port opening mechanism 7, and the heated steelmaking auxiliary materials are poured into the hopper 11 (such as Figure 8 shown).

[0040] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary steelmaking auxiliary material heating furnace, characterized in that: The invention comprises a cage-type fixed seat (1), a roller (2) is arranged inside the cage-type fixed seat (1), a rotating mechanism is arranged between the roller (2) and the cage-type fixed seat (1), and the rotating mechanism enables the roller (2) to rotate about the central axis of the roller; a feed bin door (3) and a discharge bin door (6) are respectively arranged at both ends of the roller (2), and the feed bin door (3) and the discharge bin door (6) are respectively connected to a feed port opening mechanism (5) and a discharge port opening mechanism (7); a base (10) is arranged below the cage-type fixed seat (1), and the cage-type fixed seat (1) is rotatably connected to the base (10), and a turning mechanism is also arranged between the cage-type fixed seat (1) and the base (10).

2. A rotary steelmaking auxiliary material heating furnace according to claim 1, characterized in that: The rotating mechanism comprises a gear ring (8) arranged on the outer wall of the drum (2), the gear ring (8) meshing with a gear sleeved on the output end of a driving device (9), and the driving device (9) is fixed on a cage-type fixing seat (1).

3. The rotary steelmaking auxiliary material heating furnace according to claim 1, characterized in that: A baking gun (4) is fixed on the feed bin door (3).

4. A rotary steelmaking auxiliary material heating furnace according to claim 1, characterized in that: The feed port opening mechanism (5) comprises a feed port opening oil cylinder (501) fixed on a cage-type fixing seat (1), and the output end of the feed port opening oil cylinder (501) is connected to the feed bin door (3).

5. The rotary steelmaking auxiliary material heating furnace according to claim 1, characterized in that: The discharge port opening mechanism (7) comprises a discharge port opening oil cylinder (701) fixed on a cage-type fixing seat (1); the output end of the discharge port opening oil cylinder (701) is connected to a discharge bin door connecting frame (702); and the free end of the discharge bin door connecting frame (702) is connected to a discharge bin door cover (601) of the discharge bin door (6) via a bearing (704).

6. The rotary steelmaking auxiliary material heating furnace according to claim 1, characterized in that: The turning mechanism comprises a turning cylinder (12), and two ends of the turning cylinder (12) are respectively connected to a cage-type fixing seat (1) and a base (10).

7. The rotary steelmaking auxiliary material heating furnace according to claim 1, characterized in that: A hopper (11) is provided below the discharge bin door (6), and the hopper (11) is fixed on the base (10).

8. The rotary steelmaking auxiliary material heating furnace according to claim 1, characterized in that: The drum (2) comprises a drum shell (201), and the drum shell (201) is lined with refractory bricks (202).

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