A work system for the mixing furnace area of the iron and steel metallurgical industry

Abstract

The utility model discloses a kind of operation systems for steel metallurgical industry mixing iron furnace area, comprising: a high corridor;A sampling platform is obtained by being outwardly extended and being arranged from high corridor, and is located the top of track;A lifting baffle, it is located at the front end of tank car direction of one side edge of sampling platform and is set;A sampling groove, it is strip long groove on sampling platform along the extension direction of track, the edge of sampling groove is provided with scale and track along its extension direction;A slider, it is the block structure with through hole in center, it is arranged across sampling groove, for sliding in two tracks correspondingly;Lifting baffle is used to give the guidance of tank car parking position for lowering;Slider is used to move to the best area of sampling according to scale;Sampling rod, vertically insert into the ladle of tank car through the center through hole of slider to sample down.It solves the problem of poor safety of existing mixing iron furnace area work, inconvenient sampling.

Description

[Technical Field]

[0001] This utility model belongs to the technical field of the iron and steel metallurgy industry, specifically relating to an operating system for the blast furnace area in the iron and steel metallurgy industry. [Background Technology]

[0002] The blast furnace area in the iron and steel metallurgical industry typically features multiple large overhead cranes, ladle-turning stations and their supporting equipment, rotary car tracks, and locomotive transport tracks. The overhead cranes are responsible for hoisting heavy objects such as molten iron ladles and ladles, spanning the entire area above the plant. Rotary cars and locomotives are responsible for turning, transferring, and transporting the molten iron ladles, respectively. Due to frequent overlapping operations and the complex environment in which personnel are located, the safety risks are extremely high.

[0003] Existing safety measures often fail to effectively ensure complete isolation between personnel and hoisting equipment and hazardous materials, leading to frequent accidents that seriously threaten employee safety and normal production. Regarding molten iron sampling, traditional side sampling methods are prone to producing unqualified samples such as empty or slag samples, affecting the accurate determination of molten iron composition. This, in turn, impacts the operational stability and product quality of subsequent converter processes, increasing production costs. Furthermore, the existing dust collection hood maintenance platform at the ladle station has limited space and a poor environment, hindering equipment inspection and maintenance. [Utility Model Content]

[0004] The purpose of this invention is to provide an operating system for the blast furnace area in the iron and steel metallurgical industry, so as to solve the problems of poor working safety and inconvenient sampling in the existing blast furnace area.

[0005] The present invention adopts the following technical solution: an operation system for the blast furnace area in the iron and steel metallurgy industry, based on a blast furnace operation workshop, the inner side of which is the blast furnace operation area, and a track is provided inside the blast furnace operation area, on which tank trucks travel.

[0006] The operating system includes:

[0007] An elevated walkway, which is an interconnected walking passageway set along the three side walls of the blast furnace operation building;

[0008] A sampling platform is set up by extending outward from the high-altitude corridor and is located directly above the track;

[0009] A lifting baffle is set at one edge of the sampling platform and at the front end of the tanker truck in the direction of oncoming traffic.

[0010] A sampling slot is a long, strip-shaped slot opened on the sampling platform along the extension direction of the track. The edge of the sampling slot is marked with graduations along its extension direction. Tracks are provided at both edges of the sampling slot.

[0011] A slider is a block-shaped structure with a through hole in the center, which is arranged across the sampling slot. It has two protrusions at the bottom, which are used to slide in two tracks.

[0012] A sampling rod with a sampling head at its end;

[0013] The lifting baffle is used to lower and guide the tank car to its parking position; the slider is used to move to the optimal sampling area according to the scale; and the sampling rod is inserted vertically into the molten iron ladle of the tank car through the central through hole of the slider to take a sample.

[0014] Furthermore, there are two tracks, and two sampling slots are set above the sampling platform, with the two sampling slots located directly above the two tracks.

[0015] Furthermore, it also includes a transfer track parallel to the main track, which is used for the transfer car to travel on; a dust cover is installed above the end of the transfer track near the blast furnace working area, and an exhaust pipe leading to the outside of the plant is connected to the top of the dust cover.

[0016] Furthermore, an inspection platform is installed on the side of the elevated walkway closest to the dust cover.

[0017] The beneficial effects of this utility model are as follows: By setting up an elevated corridor, this utility model achieves spatial separation between personnel and dangerous equipment such as cranes and locomotives, thereby reducing the accident rate. By extending a sampling platform outward from the elevated corridor, a molten iron sampling device can be installed above the corridor, reducing substandard samples, providing accurate composition data for the converter, stabilizing operation, and reducing costs.

[0018] Connecting the maintenance platform of the transfer station with multiple platforms such as the blast furnace operating platform expands the maintenance space, improves the environment, and ensures smooth production. It also facilitates the installation of maintenance access, lighting, ventilation, and fire-fighting equipment, making maintenance easier and ensuring environmental safety. The transfer station improves efficiency and reduces production interruptions caused by safety and sampling issues, ultimately increasing economic benefits. [Attached Image Description]

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0021] Among them, 1. track, 2. tank car, 3. high-altitude corridor, 4. sampling platform, 5. tank transfer track, 6. tank transfer car, 7. exhaust pipe, 8. maintenance platform, 9. dust cover, 10. lifting baffle, 11. blast furnace working area, 12. sampling trough, 13. slider, 14. sampling rod.

Detailed Implementation Methods

[0022] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0023] This utility model provides an operating system for the blast furnace area in the iron and steel metallurgical industry, which, as follows: Figure 1 As shown, a blast furnace operation workshop is located, with a blast furnace operation area 11 on the inside. A track 1 is provided inside the blast furnace operation area 11, and a tank car 2 is used to travel on the track 1. A crane is installed above it.

[0024] The operating system includes an elevated walkway 3 and a sampling platform 4. The elevated walkway 3 is an interconnected walking path along the three side walls of the blast furnace operating building, with a height of at least 6 meters above the ground; no walking path is provided on the side wall of the blast furnace operating building near the blast furnace operating area 11. The sampling platform 4 is an extension of the elevated walkway 3, located directly above the track 1. Personnel can access the sampling platform 4 via the elevated walkway 3, making the work process safer.

[0025] like Figure 2 As shown, the lifting baffle 10 is located at one edge of the sampling platform 4 and at the front end of the tanker truck 2 in the direction of oncoming traffic. It is used to block the tanker truck 2 from moving forward when sampling is required, providing a reference for the stopping position. The lifting baffle 10 is designed to be lifting, allowing it to lower when sampling is needed, raising the tanker truck 2 to a corresponding position for stopping. When the tanker truck 2 needs to move, the lifting baffle 10 is raised. The lifting mechanism can be implemented, for example, by setting the lifting baffle 10 as a gate at the entrance or exit of a parking lot.

[0026] The sampling slot 12 is a strip-shaped long slot opened on the sampling platform 4 along the extension direction of the track 1. The edge of the sampling slot 12 is marked with graduations along its extension direction. Tracks are provided at both edges of the sampling slot 12.

[0027] The slider 13 is a block-shaped structure with a through hole in the center, which is arranged across the sampling groove 12. Two protrusions are provided at its bottom, which are used to slide in the two tracks.

[0028] The sampling rod 14 is a long rod structure with a sampling head at its end. In use, the rod 14 is inserted vertically into the molten iron ladle of the ladle car 2 through the central through-hole of the slider 13, ensuring vertical insertion. After sampling, the sampling head is removed for subsequent testing.

[0029] The lifting baffle 10 is used to lower and guide the parking position of the tank car 2; the slider 13 is used to move to the optimal sampling area according to the scale; the sampling rod 14 is inserted vertically into the molten iron ladle of the tank car 2 through the central through hole of the slider 13 to take a sample.

[0030] Because sampling is required to avoid sampling at the edge or near the wall of the molten iron ladle, as the molten iron near the wall may experience rapid heat dissipation leading to component segregation (such as lower carbon and silicon content), the recommended sampling area is at least 1 / 3 of the radius from the ladle wall inside the molten iron ladle, where the temperature and composition of the molten iron are more uniform. In use, the lifting baffle 10 indicates the stopping position of the ladle car 2 for detection; by setting the lifting baffle 10 at the edge of the sampling platform, and in conjunction with the scale on the sampling slot 12, the sampling area at least 1 / 3 of the radius from the ladle wall inside the molten iron ladle can be quickly located; the slider 13 can be easily moved to any position within the sampling area for convenient adjustment and positioning; and the sampling rod 14 can be inserted vertically into the molten iron through the through hole on the slider 13, preventing the sampling rod from being inserted at an angle along the ladle wall, which could lead to the mixing of surface slag or ladle wall deposits.

[0031] In some embodiments, two tracks 1 can be provided, and two sampling slots 12 are provided above the sampling platform 4, with the two sampling slots 12 located directly above the two tracks 1 respectively. By providing multiple sampling slots 2 corresponding to the number of tracks 1, the sampling efficiency can be greatly improved.

[0032] In some embodiments, a transfer track 5 parallel to track 1 is also included, which is used for the transfer car 6 to travel on; a dust cover 9 is provided above the end of the transfer track 5 near the blast furnace working area, and an exhaust pipe 7 leading to the outside of the plant is connected to the top of the dust cover 9. Dust generated during the transfer process can be collected and treated.

[0033] In some embodiments, an inspection platform 8 is provided on the side of the elevated walkway 3 near the dust cover 9. Workers can access the inspection platform 8 through the elevated walkway 3, which makes the work process safer.

[0034] The method of using the operating system for the blast furnace area in the iron and steel metallurgical industry according to this utility model is as follows:

[0035] The molten iron is poured into the molten iron ladle from the blast furnace taphole, and the ladle car 2 moves along track 1 towards the blast furnace working area 11;

[0036] Staff members enter the sampling platform 4 via the elevated walkway 3;

[0037] When sampling is required, lower the lifting baffle 10;

[0038] Tanker truck 2 moves to a position close to the lifting baffle 10;

[0039] Based on the radius of the molten iron ladle, calculate the optimal sampling position in the molten iron ladle. Referring to the position of the scale, move the slider 13 along the sampling groove 12 to the vicinity of the optimal sampling position.

[0040] The sampling rod 14 is inserted vertically downwards through the central through hole of the slider 13 into the molten iron ladle of the tank car 2 to take a sample;

[0041] After sampling is completed, remove sampling rod 14 for subsequent testing.

[0042] Raise the lifting baffle 12, and the ladle car 2 continues to move forward. After reaching the blast furnace operation area 11, the molten iron ladle is overturned, and the molten iron flows into the blast furnace for storage. The temperature inside the furnace is maintained by the combustion system.

[0043] In the hoisting environment of the metallurgical industry, existing technologies cannot effectively guarantee personnel safety, the accuracy of molten iron sampling, and the convenience of maintenance. This invention addresses these challenges by designing a safety corridor surrounding the plant, achieving absolute spatial separation between personnel and hazardous factors. This separation not only effectively avoids direct contact between personnel and equipment such as overhead cranes, locomotives, and transfer vehicles, significantly reducing the likelihood of accidents and ensuring employee safety, but also provides a completely new location and method for sampling molten iron from ladles. Previously, side sampling was easily affected by various factors, leading to inaccurate results. Sampling above the safety corridor reduces the occurrence of unqualified samples such as empty or slag samples. This provides more representative samples that accurately reflect the true composition of molten iron for subsequent processes, ensuring the stability of converter operations, effectively reducing production costs, and improving production efficiency and product quality. Furthermore, the corridor connects to the blast furnace operating platform, control room platform, and ladle-turning station dust hood maintenance platform, expanding the maintenance platform space, improving the maintenance environment, and making maintenance work more stable, safe, and smooth.

Claims

1. An operating system for the blast furnace area in the iron and steel metallurgical industry, characterized in that, Based on a blast furnace operation workshop, the inner side of which is a blast furnace operation area (11), and a track (1) leading to the blast furnace operation area (11) is provided therein, and the track (1) is used for tank trucks (2) to travel on. The operating system includes: A high-altitude corridor (3) is an interconnected walking passageway set along the three side walls of the blast furnace operation building; A sampling platform (4) is provided by extending outward from the high-altitude corridor (3) and is located directly above the track (1); A lifting baffle (10) is provided on one side edge of the sampling platform (4) and located at the front end of the tanker (2) in the direction of oncoming traffic; A sampling slot (12) is a strip-shaped long slot opened on the sampling platform (4) along the extension direction of the track (1). The edge of the sampling slot (12) is provided with a scale along its extension direction. Tracks are provided at both edges of the sampling slot (12). A slider (13) is a block structure with a through hole in the center, which is arranged across the sampling groove (12) and has two protrusions at its bottom. The two protrusions are used to slide in the two tracks respectively. A sampling rod (14) has a sampling head at its end; The lifting baffle (10) is used to guide the parking position of the tank car (2) when it is lowered; the slider (13) is used to move to the optimal sampling area according to the scale; the sampling rod (14) is inserted vertically into the molten iron ladle of the tank car (2) through the central through hole of the slider (13) to take a sample.

2. The operating system for the blast furnace area in the iron and steel metallurgical industry as described in claim 1, characterized in that, There are two tracks (1), and two sampling slots (12) are set above the sampling platform (4). The two sampling slots (12) are located directly above the two tracks (1).

3. An operating system for the blast furnace area in the iron and steel metallurgical industry as described in claim 1 or 2, characterized in that, It also includes a transfer track (5) parallel to the track (1), the transfer track (5) is used for the transfer car (6) to travel; a dust cover (9) is provided above the end of the transfer track (5) near the working area of ​​the blast furnace, and an exhaust pipe (7) leading to the outside of the plant is provided on the top of the dust cover (9).

4. The operating system for the blast furnace area in the iron and steel metallurgical industry as described in claim 3, characterized in that, The high-altitude corridor (3) has a maintenance platform (8) on the side near the dust cover (9).

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