Arrangement structure for double-station steel ladle hot repair in steelmaking workshop

Abstract

The utility model discloses an arrangement structure for double-station steel ladle hot repair in a steelmaking workshop, which comprises two hot repair trolley rail transport lines, two hot repair trolleys, a set of fixed dust removal cover, a hot repair platform and a cantilever crane, the two hot repair trolleys carry the steel ladle with the cover to advance on the hot repair trolley rail conveying line, the fixed dust removal cover is located at the steel ladle hot repair stopping position, the hot repair platform is arranged between the columns, and the cantilever crane is arranged in the middle of the hot repair platform. The steel ladle hot repair system is composed of two hot repair trolley rail transport lines, two hot repair trolleys, a set of fixed dust removal cover, a hot repair platform and a cantilever crane facility, the occupied area of the system is optimal through centralized arrangement, the technological process is reasonable, the steel ladle hot repair rate is increased, the dust removal effect is obviously improved by optimizing the structure of the fixed dust removal cover, and the service life of the system is prolonged. The safety of the hot repair process is enhanced, and the dust removal effect of hot repair is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel metallurgy industry, in particular to an arrangement structure for hot repair of a double-station ladle in a steelmaking workshop. Background Art

[0002] At present, when the hot repair in the steelmaking workshop is arranged at the molten steel receiving span, it involves the safety issue of the molten steel ladle passing through the upper part of the hot repair; when the volume of ladle maintenance in the steelmaking workshop is large, the ladle hot repair should not be arranged too dispersedly; a large amount of smoke and dust will be generated during the hot repair process. As environmental protection requirements become more and more stringent, the ladle hot repair needs to improve the dust removal effect. Utility Model Content

[0003] The purpose of the utility model is to provide a double-station ladle hot repair arrangement structure in a steelmaking workshop, which has the advantages of saving space, improving the ladle hot repair rate, and enhancing the dust removal effect, so as to solve the shortcomings of the existing technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a layout structure for hot repair of double-station ladles in a steelmaking workshop, comprising two hot repair trolley rail transport lines, two hot repair trolleys, a set of fixed dust removal hoods, a hot repair platform and a cantilever crane, the two hot repair trolley rail transport lines are arranged in parallel, the two hot repair trolleys carry covered ladles and travel on the hot repair trolley rail transport lines, the fixed dust removal hoods are located at the hot repair parking position of the ladle, the hot repair platform is arranged between the columns, and the cantilever crane is arranged in the middle of the hot repair platform.

[0005] Preferably, the hot repair trolley is provided with a ladle support for carrying a covered ladle, and the front end of the hot repair trolley has no baffle.

[0006] Preferably, the hot repair trolley arrives at the hot repair parking position, and the covered ladle on the hot repair trolley is located in a fixed dust removal hood.

[0007] Preferably, the height of the hot repair platform matches the height of the water nozzle of the covered ladle on the hot repair trolley.

[0008] Preferably, the lifting radius of the cantilever crane covers the hot water nozzle position of the covered ladle.

[0009] Preferably, the fixed dust removal hood is divided into two parts, left and right, which are used for dust removal at the hot repair positions of two covered ladles respectively. The two parts operate independently without affecting each other.

[0010] Preferably, the front and rear openings of the fixed dust hood are used for the passage of the hot repair trolley, a dust removal duct is provided on the top of the fixed dust hood, the dust removal ducts of the left and right parts of the fixed dust hood are combined and connected to the workshop dust removal system, and an electric valve for starting and stopping is installed in the dust removal duct.

[0011] Preferably, straight ladders are provided on both sides of the fixed dust hood, and fences are provided around the top of the fixed dust hood.

[0012] Preferably, the fixed dust hood is provided with heat-insulating sealing plates around it, and chain curtains are provided at the entrance and exit of the fixed dust hood.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The layout structure of the double-station ladle hot repair in this steelmaking workshop consists of two hot repair trolley rail transport lines, two hot repair trolleys, a set of fixed dust removal hoods (divided into left and right parts, which can be used independently), a hot repair platform and a cantilever crane facility. Through centralized layout, the system footprint is optimized, the process flow is reasonable, and the ladle hot repair rate is improved. By optimizing the fixed dust removal hood structure, the dust removal effect is significantly improved, the safety of the hot repair process is enhanced, and the dust removal effect of hot repair is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic plan view of the layout structure of the double-station ladle hot repair system of the utility model;

[0016] Figure 2 1-1 is a cross-sectional schematic diagram of the arrangement structure of the double-station ladle hot repair of the utility model;

[0017] Figure 3 2-2 is a cross-sectional schematic diagram of the arrangement structure of the double-station ladle hot repair of the utility model;

[0018] Figure 4 This is a cross-sectional schematic diagram of the arrangement structure 3-3 of the double-station ladle hot repair of the utility model.

[0019] In the figure: 1. Hot repair platform; 2. Cantilever crane; 3. Fixed dust hood; 31. Chain curtain; 32. Vertical ladder; 33. Thermal insulation plate; 34. Fence; 35. Electric valve; 4. Hot repair trolley rail transport line; 5. Hot repair trolley; 6. Covered ladle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4In this embodiment, a layout structure for hot repair of a double-station ladle in a steelmaking workshop is provided, which includes two hot repair trolley rail transport lines 4, two hot repair trolleys 5, a set of fixed dust removal hoods 3, a hot repair platform 1 and a cantilever crane 2, wherein the two hot repair trolley rail transport lines 4 are arranged in parallel, and the two hot repair trolleys 5 carry covered ladles 6 and travel on the hot repair trolley rail transport lines 4, wherein the hot repair trolley 5 is provided with a ladle bracket for carrying the covered ladle 6, and there is no baffle at the front end of the hot repair trolley 5; the fixed dust removal hood 3 is located at the hot repair parking position of the ladle, the hot repair platform 1 is arranged between the columns, and the cantilever crane 2 is arranged in the middle of the hot repair platform 1, and the lifting radius of the cantilever crane 2 covers the hot repair nozzle position of the covered ladle 6. , it can work for two hot repair positions, improves the utilization rate of the cantilever crane 2, and saves costs; when the hot repair trolley 5 arrives at the hot repair parking position, the covered ladle 6 on the hot repair trolley 5 is located in the fixed dust removal hood 3, and the front and rear openings of the fixed dust removal hood 3 are used for the hot repair trolley 5 to pass through. A dust removal pipe is provided on the top of the fixed dust removal hood 3, and the dust removal pipes of the left and right parts of the fixed dust removal hood 3 are connected to the workshop dust removal system after being collected. An electric valve 35 for starting and stopping is installed in the dust removal pipe. When the electric valve 35 is opened, the dust removal starts. After the hot repair is completed, the electric valve 35 is closed and the dust removal ends. Through the double-station ladle hot repair arrangement and the centralized arrangement of ladle hot repair, the hot repair efficiency is greatly increased, the floor space is saved, and the logistics and personnel management are convenient.

[0022] The height of the hot repair platform 1 in this embodiment matches the height of the water nozzle of the covered ladle 6 on the hot repair trolley 5, which is convenient for hot repair workers to perform maintenance operations.

[0023] In the above embodiment, the fixed dust removal hood 3 is divided into two parts, one for hot repair dust removal at two covered ladles 6, and the two parts operate independently without affecting each other, thereby completing hot repair dust removal without wasting resources.

[0024] In order to facilitate the maintenance of the electric valve 35 on the top of the fixed dust removal cover 3 in this embodiment, straight ladders 32 are set on both sides of the fixed dust removal cover 3, and fences 34 are set around the top of the fixed dust removal cover 3, so that maintenance work is convenient and safe.

[0025] The fixed dust hood 3 in this embodiment is provided with heat-insulating sealing plates 33 around it, and chain curtains 31 are provided at the entrance and exit of the fixed dust hood 3. Without affecting the movement of the covered ladle 6, the smoke and dust overflowing from the entrance and exit during the hot repair process is greatly reduced, thereby enhancing the dust removal effect.

[0026] Working principle: After the covered ladle 6 is cast in the molten steel receiving span, it is hoisted to the hot repair trolley 5 by a crane and transported across the span to the ladle hot repair station via the hot repair trolley rail transport line 4; the hot repair worker starts the hot repair operation on the hot repair platform 1, opens the electric valve 35 on the top of the fixed dust removal hood 3, and starts dust removal; the cantilever crane 2 is used to lift heavy objects and assist the workers in maintenance work; the smoke and dust generated during the hot repair process are removed through the fixed dust removal hood 3, and the electric valve 35 in the dust removal pipeline is closed after the hot repair is completed; the hot repair trolley 5 leaves the hot repair station, and the ladle continues to be put into steelmaking production. The maintenance of the double-station ladle does not interfere with each other, and the fixed dust removal hood 3 is divided into two independent parts, and the dust removal operations of the two parts do not affect each other.

[0027] To sum up: the utility model provides a layout structure for hot repair of a double-station ladle in a steelmaking workshop, which consists of two hot repair trolley rail transport lines 4, two hot repair trolleys 5, a set of fixed dust removal hoods 3 (divided into left and right parts, which can be used independently), a hot repair platform 1 and a cantilever crane 2. Through centralized layout, the system footprint is optimized and the process flow is reasonable, which improves the hot repair rate of the ladle. By optimizing the structure of the fixed dust removal hood 3, the dust removal effect is significantly improved, the safety of the hot repair process is enhanced, and the dust removal effect of the hot repair is improved.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-station ladle hot repair arrangement in a steelmaking workshop, comprising two hot repair trolley rail transport lines (4), two hot repair trolleys (5), a fixed dust removal hood (3), a hot repair platform (1) and a cantilever crane (2), characterized in that: The two hot repair trolley rail transport lines (4) are arranged in parallel, and the two hot repair trolleys (5) carry covered ladles (6) and travel on the hot repair trolley rail transport lines (4). The fixed dust removal hood (3) is located at the hot repair parking position of the ladle, the hot repair platform (1) is arranged between the columns, and the cantilever crane (2) is arranged in the middle of the hot repair platform (1).

2. The arrangement structure for hot repair of a double-station ladle in a steelmaking workshop according to claim 1, characterized in that: The hot repair trolley (5) is provided with a ladle support for carrying a covered ladle (6), and the front end of the hot repair trolley (5) has no baffle.

3. The arrangement structure for hot repair of a double-station ladle in a steelmaking workshop according to claim 2, characterized in that: The hot repair trolley (5) arrives at the hot repair parking position, and the covered ladle (6) on the hot repair trolley (5) is located in the fixed dust removal cover (3).

4. The arrangement structure for hot repair of a double-station ladle in a steelmaking workshop according to claim 1, characterized in that: The height of the hot repair platform (1) matches the height of the water nozzle of the covered ladle (6) on the hot repair trolley (5).

5. The arrangement structure for hot repair of a double-station ladle in a steelmaking workshop according to claim 1, characterized in that: The lifting radius of the cantilever crane (2) covers the hot water nozzle position of the covered ladle (6).

6. The arrangement structure for hot repair of a double-station ladle in a steelmaking workshop according to claim 1, characterized in that: The fixed dust removal cover (3) is divided into two parts, the left and the right, which are used for dust removal at the hot repair position of two covered ladles (6) respectively. The two parts operate independently without affecting each other.

7. The arrangement structure for hot repair of a double-station ladle in a steelmaking workshop according to claim 6, characterized in that: The front and rear openings of the fixed dust removal hood (3) are used for the passage of the hot repair trolley (5). A dust removal pipeline is provided on the top of the fixed dust removal hood (3). The dust removal pipelines on the left and right parts of the fixed dust removal hood (3) are connected to the workshop dust removal system after being collected. An electric valve (35) for starting and stopping is installed in the dust removal pipeline.

8. The arrangement structure for hot repair of a double-station ladle in a steelmaking workshop according to claim 6, characterized in that: Straight ladders (32) are arranged on both sides of the fixed dust removal cover (3), and fences (34) are arranged around the top of the fixed dust removal cover (3).

9. The arrangement structure for hot repair of a double-station ladle in a steelmaking workshop according to claim 6, characterized in that: The fixed dust removal hood (3) is provided with heat-insulating sealing plates (33) around its periphery, and a chain curtain (31) is provided at the entrance and exit of the fixed dust removal hood (3).

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