Novel converter slag crushing and solidifying device

Abstract

The utility model provides a novel converter slag crushing and solidifying device, which relates to the technical field of slag crushing and solidifying, and comprises a converter slag crushing and solidifying rotary cold tooth roller, an equipment protection room and a movable cooling plate, the equipment protection room is arranged on a base, and a track is arranged at the inner bottom of the equipment protection room. Two sets of supporting roller assemblies are movably arranged on the rail and are arranged on the front portion and the rear portion of the bottom face of the movable cooling plate correspondingly, a converter slag crushing and solidifying rotary cold tooth roller is installed on the right portion in the movable cooling plate, and the center of the converter slag crushing and solidifying rotary cold tooth roller is sleeved with a center shaft. The front portion and the rear portion of the center shaft are arranged in the bearing main pieces on the front side and the rear side of the base in a sleeved mode respectively. Omnibearing water circulation cooling is adopted in the rotary cold tooth roller for crushing and solidifying the converter molten slag, particularly, a water direct cooling mode is adopted in the cold teeth, the heat transfer efficiency is high when the cold teeth work, the solidification time of the molten slag is shortened, the working efficiency of equipment is improved, and the working period is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of slag crushing solidification, in particular to a novel converter slag crushing solidification device. Background Art

[0002] In the traditional converter production process, after the steel is tapped, most of the final slag is poured out first, and then the slag splashing is carried out to protect the furnace. The purpose of slag splashing is mainly to protect the furnace lining. The amount of slag left is small, generally 2-4kg / ton of steel. Within 3-5 minutes, the slag can be completely solidified. Even if there is unsolidified slag, after the slag splashing is completed, the workers will pour out the remaining liquid slag. There is no liquid slag in the furnace when adding iron, ensuring the safety of iron adding.

[0003] In the specification of a method for solidifying converter slag in the prior art (Announcement No. CN102965465A), it is mentioned that "in the double slag smelting process of "adding scrap steel and molten iron → converter blowing and dephosphorization → pouring dephosphorization slag → converter blowing and decarbonization → converter tapping", the slag is not poured after the converter taps out the steel, and nitrogen cooling and lime or light-burned dolomite solidification method is used to splash slag to protect the furnace. By controlling the nitrogen gas flow and gun position for splashing slag to protect the furnace, the type and amount of slag added, the tilting angle of the furnace body, and the amount of scrap steel added are controlled". However, the converter slag solidification in the prior art uses nitrogen cooling, and the cooling rate is slow. The transportation of the cooled converter slag material is not flexible and convenient, which affects the overall converter slag solidification work efficiency and is not efficient and practical. Utility Model Content

[0004] In order to overcome the defects of the prior art, a new type of converter slag crushing and solidification device is now provided to solve the problem that the converter slag in the prior art is solidified by nitrogen cooling, the cooling speed is slow, the cooled converter slag material is not flexible and convenient to transport in and out, which affects the overall converter slag solidification work efficiency and is not efficient and practical.

[0005] In order to achieve the above-mentioned purpose, a new type of converter slag crushing and solidifying device is provided, including a converter slag crushing and solidifying rotating cold tooth roller, an equipment protection room and a moving cooling plate, the equipment protection room is arranged on a base, and a track is arranged on the inner bottom of the equipment protection room, and two groups of supporting roller assemblies are movable on the track, and the two groups of supporting roller assemblies are respectively arranged on the front and rear parts of the bottom of the moving cooling plate, a converter slag crushing and solidifying rotating cold tooth roller is installed on the right part of the moving cooling plate, and the center of the converter slag crushing and solidifying rotating cold tooth roller is sleeved with a central shaft, and the front and rear parts of the central shaft are respectively sleeved in the bearing main parts on the front and rear sides of the base.

[0006] Furthermore, a movable door is provided at the left upper end of the equipment protection room, a spray main component is installed in the middle of the upper part of the equipment protection room, and a smoke outlet is provided at the right upper end of the equipment protection room.

[0007] Furthermore, a converter slag transfer bucket is installed on the left side of the equipment protection room, and the converter slag transfer bucket is a flippable structure, the flipping angle of the converter slag transfer bucket is 0-90 degrees, and a discharge port is provided in the middle of the bottom surface of the equipment protection room.

[0008] Furthermore, a passive wheel main component is installed on the left side of the inner bottom of the equipment protection room, a chain tensioning main component is arranged on the front side of the right end of the passive wheel main component, and a moving cooling plate sprocket chain driving main component is installed on the right side of the inner bottom of the equipment protection room, and a first reducer is installed on the left end of the moving cooling plate sprocket chain driving main component.

[0009] Furthermore, the track is located between the passive wheel main component and the motion cooling plate sprocket chain driving main component, and sprocket wheels are installed on the left and right parts of the motion cooling plate sprocket chain driving main component and the passive wheel main component, chains are connected for transmission between the two aligned sets of sprocket wheels on the same side, and a motion drag chain main component is arranged on the two sets of chains between the motion cooling plate sprocket chain driving main component and the passive wheel main component.

[0010] Furthermore, cylinder assemblies are provided at the front and rear parts of the upper end face of the base, and the upper parts of the cylinder assemblies on both sides are respectively sleeved on the front and rear parts of the central axis, and the central axis is hollow, a cooling water inlet is provided at the front end of the central axis, a cooling water outlet is provided at the rear end of the central axis, and a second reducer is installed at the rear end head of the central axis.

[0011] Furthermore, a second water hole and a first water hole are provided on both upper and lower sides of the rear part of the central axis, and a third water hole is provided on the rear part of the outer ring surface of the rotating cold tooth roller for solidifying the converter slag, and a plurality of groups of external cold teeth are provided on the outer ring surface of the rotating cold tooth roller for solidifying the converter slag, and the external cold teeth are connected to the interior of the rotating cold tooth roller for solidifying the converter slag.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model opens the movable door to pour crushed slag into the converter slag transfer bucket, and after the converter slag transfer bucket is turned right by 90 degrees, it is poured into the moving cooling plate, so that the crushed slag is cooled and solidified under the action of the rotating cold tooth roller of the converter slag crushing and solidification. After solidification, the moving cooling plate moves to the right to below the smoke outlet so that the smoke can be discharged through the smoke outlet. The crushed slag solidified in the moving cooling plate can be poured from the left end to the discharge port for discharge.

[0014] 2. The utility model rotates the moving cooling plate sprocket chain driving main component counterclockwise through the first reducer, and under the action of the chain transmission, drives the passive wheel main component to rotate together, so as to conveniently drive the moving cooling plate thereon to move to the left; and rotating the moving cooling plate sprocket chain driving main component clockwise will drive the moving cooling plate to move to the right, so that the position of the moving cooling plate can be flexibly moved, and the operation is stable and reliable.

[0015] 3. The utility model inputs cooling water through the rear end of the central shaft. The cooling water in the central shaft flows into the converter slag crushing and solidifying rotating cold tooth roller and the outer cold tooth through the second water hole and the first water hole, and then flows out to the outside through the third water hole, which is convenient for turning the converter slag crushing and solidifying rotating cold tooth roller while water-cooling and solidifying the crushed slag loaded in the moving cooling plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a cross-sectional schematic diagram of an equipment protection room according to an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the equipment protection room of an embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure arrangement between the rotating cold tooth roller and the moving cooling plate for crushing and solidifying converter slag according to an embodiment of the utility model;

[0019] Figure 4 This is a cross-sectional schematic diagram of a converter slag crushing and solidifying rotating cold tooth roller according to an embodiment of the utility model;

[0020] Figure 5 This is a schematic diagram of the cold tooth arrangement expansion diagram of an embodiment of the utility model.

[0021] In the figure: 1. movable door; 2. converter slag transfer bucket; 3. spray main part; 4. converter slag crushing and solidification rotating cold tooth roller; 40. center axis; 41. first water hole; 42. second water hole; 43. third water hole; 44. external cold tooth; 5. equipment protection room; 6. motion cooling plate; 7. track; 8. support roller assembly; 9. first reducer; 10. motion cooling plate sprocket chain drive main part; 11. driven wheel main part; 12. chain tensioning main part; 13. motion drag chain main part; 14. bearing main part; 15. cylinder assembly; 16. second reducer; 17. discharge port; 18. flue gas outlet; 19. base. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0023] Figure 1 This is a cross-sectional diagram of an equipment protection room according to an embodiment of the utility model. Figure 2 This is a schematic diagram of the internal structure of the equipment protection room of the embodiment of the utility model. Figure 3 This is a schematic diagram of the structure arrangement between the converter slag crushing and solidification rotating cold tooth roller and the moving cooling plate according to the embodiment of the utility model. Figure 4The schematic cross-sectional view of the converter slag crushing and solidification rotating cold tooth roller according to the embodiment of the utility model and Figure 5 This is a schematic diagram of the cold tooth arrangement expansion diagram of an embodiment of the utility model.

[0024] Reference Figures 1 to 5 As shown, the utility model provides a novel converter slag crushing and solidifying device, comprising a converter slag crushing and solidifying rotating cold tooth roller 4, an equipment protection room 5 and a moving cooling plate 6, the equipment protection room 5 is arranged on a base 19, a track 7 is arranged on the inner bottom of the equipment protection room 5, and two groups of supporting roller assemblies 8 are movable on the track 7, and the two groups of supporting roller assemblies 8 are respectively arranged on the front and rear parts of the bottom of the moving cooling plate 6, a converter slag crushing and solidifying rotating cold tooth roller 4 is installed on the right part of the moving cooling plate 6, and a center shaft 40 is sleeved in the center of the converter slag crushing and solidifying rotating cold tooth roller 4, and the front and rear parts of the center shaft 40 are respectively sleeved in the bearing main parts 14 on the front and rear sides of the base 19.

[0025] In this embodiment, a movable door 1 is provided on the upper left portion of the equipment protection room 5, and a spray main component 3 is installed in the middle of the upper portion of the equipment protection room 5, and a smoke outlet 18 is provided on the upper right portion of the equipment protection room 5; a converter slag transfer bucket 2 is installed on the left portion of the equipment protection room 5, and the converter slag transfer bucket 2 is a flippable structure, the flipping angle of the converter slag transfer bucket 2 is 0-90 degrees, and a discharge port 17 is provided in the middle of the bottom surface of the equipment protection room 5.

[0026] As a preferred embodiment, the utility model opens the movable door 1 and pours the crushed slag into the converter slag transfer bucket 2. After the converter slag transfer bucket 2 is turned right by 90 degrees, it is poured into the moving cooling plate 6, so that the crushed slag is cooled and solidified under the action of the rotating cold tooth roller 4 that crushes and solidifies the converter slag. After solidification, the moving cooling plate 6 moves to the right to below the smoke outlet 18 so that the smoke can be discharged through the smoke outlet 18. The crushed slag solidified in the moving cooling plate 6 can be poured from the left end to the discharge port 17 for discharge.

[0027] In this embodiment, a passive wheel main component 11 is installed on the left side of the inner bottom of the equipment protection room 5, a chain tensioning main component 12 is arranged on the front side of the right end of the passive wheel main component 11, and a moving cooling plate sprocket chain driving main component 10 is installed on the right side of the inner bottom of the equipment protection room 5, and a first reducer 9 is installed on the left end of the moving cooling plate sprocket chain driving main component 10; the track 7 is located between the passive wheel main component 11 and the moving cooling plate sprocket chain driving main component 10, and the moving cooling plate sprocket chain driving main component 10 and the passive wheel main component 11 are both installed with sprocket wheels on the left and right parts, and a chain is connected between the two sets of aligned sprocket wheels on the same side, and a moving drag chain main component 13 is arranged on the two sets of chains between the moving cooling plate sprocket chain driving main component 10 and the passive wheel main component 11.

[0028] As a preferred embodiment, the utility model rotates the moving cooling plate sprocket chain driving main component 10 counterclockwise through the first reducer 9, and under the action of the chain transmission, drives the passive wheel main component 11 to rotate together, so as to conveniently drive the moving cooling plate 6 thereon to move to the left; and rotating the moving cooling plate sprocket chain driving main component 10 clockwise will drive the moving cooling plate 6 to move to the right, and the position of the moving cooling plate 6 can be flexibly moved, and the operation is stable and reliable.

[0029] In this embodiment, cylinder assemblies 15 are provided on both the front and rear parts of the upper end face of the base 19, and the upper parts of the cylinder assemblies 15 on both sides are respectively sleeved on the front and rear parts of the central shaft 40, and the central shaft 40 is hollow, and a cooling water inlet is provided at the front end of the central shaft 40, and a cooling water outlet is provided at the rear end of the central shaft 40, and a second reducer 16 is installed at the rear end head of the central shaft 40; second water holes 42 and first water holes 41 are provided on the upper and lower sides of the rear part of the central shaft 40 set at the center of the converter slag crushing and solidifying rotating cold tooth roller 4, and a third water hole 43 is provided at the rear part of the outer ring surface of the converter slag crushing and solidifying rotating cold tooth roller 4, and a plurality of groups of external cold teeth 44 are arranged on the outer ring surface of the converter slag crushing and solidifying rotating cold tooth roller 4, and the external cold teeth 44 are connected to the interior of the converter slag crushing and solidifying rotating cold tooth roller 4.

[0030] As a preferred embodiment, the utility model inputs cooling water through the rear end of the central shaft 40, and the cooling water in the central shaft 40 flows into the converter slag crushing and solidifying rotating cold tooth roller 4 and the outer cold tooth 44 through the second water hole 42 and the first water hole 41, and then flows out to the outside through the third water hole 43, so as to facilitate the water cooling and solidifying of the slag loaded in the moving cooling plate 6 while flipping the converter slag crushing and solidifying rotating cold tooth roller 4.

[0031] Working principle: under the command of system control, after the converter slag transfer bucket is in the relative position, the slag is poured onto the moving cooling plate, and then the converter slag transfer bucket moves out of the equipment protection room. Then the spray main part works, the converter slag crushing and solidifying rotating cold tooth roller works, and the moving cooling plate works, and the converter slag enters the crushing and solidifying process. When the crushing and solidifying process is over, the cold tooth roller starts to rotate counterclockwise from the initial position, and the moving cooling plate moves right to crush and solidify the slag and discharge it.

[0032] The utility model can effectively solve the problems in the prior art that nitrogen is used for converter slag solidification, the cooling speed is slow, the cooled converter slag material is not flexible and convenient to transport in and out, which affects the overall converter slag solidification work efficiency and is not efficient and practical. The interior of the roller adopts all-round water circulation cooling, and the cold teeth especially adopt water direct cooling. The high heat transfer efficiency of the cold teeth when working reduces the solidification time of the slag, improves the working efficiency of the equipment, and reduces the working cycle.

[0033] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A novel converter slag crushing and solidification device, characterized in that: The invention comprises a converter slag crushing and solidifying rotating cold tooth roller (4), an equipment protection room (5) and a moving cooling plate (6), wherein the equipment protection room (5) is arranged on a base (19), a track (7) is arranged on the inner bottom of the equipment protection room (5), and two groups of supporting roller assemblies (8) are movable on the track (7), and the two groups of supporting roller assemblies (8) are respectively arranged on the front and rear parts of the bottom of the moving cooling plate (6), a converter slag crushing and solidifying rotating cold tooth roller (4) is installed on the right part of the moving cooling plate (6), and a central shaft (40) is sleeved in the center of the converter slag crushing and solidifying rotating cold tooth roller (4), and the front and rear parts of the central shaft (40) are respectively sleeved in the bearing main parts (14) on the front and rear sides of the base (19).

2. A novel converter slag crushing and solidification device according to claim 1, characterized in that: A movable door (1) is provided at the left upper portion of the equipment protection room (5), a spray main unit (3) is installed in the middle of the upper portion of the equipment protection room (5), and a smoke outlet (18) is provided at the right upper portion of the equipment protection room (5).

3. The novel converter slag crushing and solidification device according to claim 1 is characterized in that: A converter slag transfer bucket (2) is installed on the left side of the equipment protection room (5), and the converter slag transfer bucket (2) is a flippable structure, the flip angle of the converter slag transfer bucket (2) is 0-90 degrees, and a discharge port (17) is provided in the middle of the bottom surface of the equipment protection room (5).

4. The novel converter slag crushing and solidification device according to claim 1 is characterized in that: A passive wheel main component (11) is installed on the left side of the inner bottom of the equipment protection room (5), a chain tensioning main component (12) is arranged on the front side of the right end of the passive wheel main component (11), and a moving cooling plate sprocket chain driving main component (10) is installed on the right side of the inner bottom of the equipment protection room (5), and a first reducer (9) is installed on the left end of the moving cooling plate sprocket chain driving main component (10).

5. The novel converter slag crushing and solidification device according to claim 1 is characterized in that: The track (7) is located between the passive wheel main component (11) and the moving cooling plate sprocket chain driving main component (10), and the left and right parts of the moving cooling plate sprocket chain driving main component (10) and the passive wheel main component (11) are both equipped with sprocket wheels, and chains are connected between the two groups of sprocket wheels aligned on the same side, and the moving drag chain main component (13) is arranged on the two groups of chains between the moving cooling plate sprocket chain driving main component (10) and the passive wheel main component (11).

6. The novel converter slag crushing and solidification device according to claim 1 is characterized in that: The upper end face of the base (19) is provided with a cylinder assembly (15) at both the front and rear parts, and the upper parts of the cylinder assemblies (15) on both sides are respectively sleeved on the front and rear parts of the central shaft (40), and the central shaft (40) is hollow, the front end of the central shaft (40) is provided with a cooling water inlet, the rear end of the central shaft (40) is provided with a cooling water outlet, and the rear end of the central shaft (40) is installed with a second reducer (16).

7. The novel converter slag crushing and solidification device according to claim 1 is characterized in that: A second water hole (42) and a first water hole (41) are provided on both upper and lower sides of the rear portion of the central shaft (40), and a third water hole (43) is provided on the rear portion of the outer ring surface of the converter slag crushing and solidifying rotating cold tooth roller (4), and a plurality of groups of external cold teeth (44) are provided on the outer ring surface of the converter slag crushing and solidifying rotating cold tooth roller (4), and the external cold teeth (44) are connected to the interior of the converter slag crushing and solidifying rotating cold tooth roller (4).

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