Self-melting discharging type steel ladle charging hanging basket
By designing a self-melting unloading ladle feeding hanging basket and using a hopper and automatic unloading door structure, the problem of difficulty in adding and unloading large-scale scrap steel in the LF furnace is solved, and efficient addition and automatic unloading of scrap steel are achieved.
Patent Information
- Application Number
- CN202420799993.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing LF furnace ladle feeding device is difficult to effectively add large-scale and irregular scrap steel, and there is a problem of difficulty in unloading.
A self-melting unloading ladle feeding hanging basket is designed, adopting a hopper, hanging lug, knotted rope and folding structure. The upper part of the hopper has hanging lugs and the bottom is an upper opening structure. Automatic unloading is achieved through two flange doors locked by the knotted rope.
The large-scale addition and automatic unloading of various types of scrap steel is realized, the working efficiency is improved, and the problems of poor applicability of feeding devices and difficulty in unloading are solved in the prior art.
Smart Images
Figure CN222660108U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a self-melting unloading ladle charging hanging basket, belonging to the technical field of off-furnace refining equipment in the metallurgical industry. Background Art
[0002] LF furnace is the most common refining equipment outside the furnace in the metallurgical industry. Its main functions include heating, reducing slag making, desulfurization and narrow composition control. Therefore, many steel mills currently choose to add scrap steel or billet heads and tails containing precious alloy elements to the LF furnace in order to increase production or recover precious alloy elements. Adding scrap steel or billet heads containing precious alloy elements to the LF furnace has the advantages of large-scale addition and lossless recovery of alloy elements.
[0003] At present, the LF furnace ladle feeding device is mainly carried out at the ladle processing position. It is generally transported by belt and then added to the ladle through a chute or a discharge pipe. This feeding method is not suitable for large-sized and irregular scrap steel. Other feeding devices include magnetic disk cranes, special clamps, etc. The magnetic disk crane has high investment cost and is difficult to install, and cannot be used for weakly magnetic or non-magnetic materials; special clamps have low working efficiency and generally have the problem of difficulty in unloading. Utility Model Content
[0004] The utility model aims to provide a self-melting unloading ladle charging hanging basket, which can realize large-scale addition and automatic unloading of various types of scrap steel, improve work efficiency, and solve the problems existing in the background technology.
[0005] The technical solution of the utility model is:
[0006] A self-melting unloading ladle charging hanging basket comprises a hopper, a lifting lug, a knotted rope and a hinge. The hopper is an upper opening structure, a lifting lug is welded on the upper part of the hopper, and the bottom of the hopper is a discharge port. The discharge port comprises two opposite doors, and the two opposite doors are connected to the hopper body through hinges respectively. The two opposite doors are locked together by a knotted rope, so that the two opposite doors are in a closed state.
[0007] The two opposing doors are respectively provided with doorposts, and the knotted ropes are tied to the doorposts of the two opposing doors, so that the two opposing doors are in a closed state.
[0008] The doorposts are steel bars welded to two opposing doors.
[0009] The two opposing doors have a total of four hinges, two for each door.
[0010] The knotted rope is a PP rope, a PE rope or an aluminum wire.
[0011] By adopting the utility model, scrap steel is loaded into the hopper, and then the hopper is lifted above the ladle. As the hopper approaches the molten steel, the knotted rope between the two opposing doors is melted or ignited by the high temperature of the molten steel, the discharge port opens, and the scrap steel automatically falls into the ladle.
[0012] The utility model has the beneficial effects of simple manufacture, low cost, strong applicability, and can realize large-scale addition and automatic unloading of various types of scrap steel, thereby improving operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional diagram of the utility model;
[0014] Figure 2 This is a schematic diagram of the discharge port of the utility model;
[0015] In the figure: hopper 1, lifting lug 2, two doors opening into each other 3, locking column 4, knotted rope 5, hinge 6. DETAILED DESCRIPTION
[0016] The present invention will be further described below by way of examples with reference to the accompanying drawings.
[0017] See attached Figure 1-2 A self-melting unloading ladle charging hanging basket comprises a hopper 1, a lifting lug 2, a knotted rope 5 and a hinge 6. The hopper 1 is an upper opening structure, a lifting lug 2 is welded on the upper part of the hopper 1, and the bottom of the hopper 1 is a discharge port. The discharge port comprises two opposing doors 3, and the two opposing doors 3 are respectively connected to the hopper body of the hopper 1 through the hinge 6. The two opposing doors 3 are locked together by a knotted rope 5, so that the two opposing doors 3 are in a closed state.
[0018] In this embodiment, refer to the attached Figure 1-2 The hopper 1 is a cubic container welded from steel plates. Four lifting ears 2 are welded on the upper part of the hopper 1 for easy lifting. The bottom of the hopper 1 is a discharge port, which is composed of two doors 3 that open opposite each other. The two doors 3 are connected to the hopper body through two hinges 6. The two doors 3 can be opened outward (downward). The door posts 4 are steel bars welded on the two doors 3, which are convenient for locking the doors with knotted ropes 5. The knotted rope 5 is a consumable material, and a material with high strength, low melting point or low ignition point and easy knotting is selected, such as PP rope, PE rope, aluminum wire, etc. When in use, the knotted rope 6 is tied to the door posts 4 of the two doors 3. The material and quantity of the knotted rope 5 can be selected according to the type and weight of the hoisted material to ensure that the discharge port of the hopper 1 cannot be opened automatically after loading.
[0019] When adding scrap steel to the LF furnace ladle, the scrap steel is first loaded into the hopper 1, and then the hopper 1 is lifted above the ladle. As the hopper 1 approaches the molten steel, the knotted rope 5 between the two opposing doors 3 of the discharge port is melted or ignited by the high temperature of the molten steel, and its strength is reduced. Under the action of the scrap steel and the self-weight of the two opposing doors 3, the two opposing doors 3 of the discharge port open, and the scrap steel automatically falls into the ladle.
Claims
1. A self-melting unloading ladle charging hanging basket, characterized in that: The invention comprises a hopper (1), a lifting lug (2), a knotted rope (5) and a hinge (6); the hopper (1) is an upper opening structure; a lifting lug (2) is welded on the upper part of the hopper (1); the bottom of the hopper (1) is a discharge port; the discharge port comprises two opposite doors (3); the two opposite doors (3) are respectively connected to the hopper body of the hopper (1) through the hinge (6); the two opposite doors (3) are locked together through the knotted rope (5), so that the two opposite doors (3) are in a closed state; the two opposite doors (3) are respectively provided with door posts (4); the knotted rope (5) is tied to the door posts (4) of the two opposite doors (3), so that the two opposite doors (3) are in a closed state; the door posts (4) are steel bars welded to the two opposite doors (3); the knotted rope (5) is a PP rope, a PE rope or an aluminum wire.
2. The self-melting unloading ladle charging hanging basket according to claim 1 is characterized in that: The two opposing doors (3) have a total of four hinges (6), two for each door.