Converter fettling equipment

Through automated converter replenishment equipment, the motor drives mobile blocks and air pumps to spray materials, the safety hazards in the converter replenishment process are solved, safe and fast replenishment operation is achieved, and production efficiency and safety are improved.

CN223061011UActive Publication Date: 2025-07-04HEBEI HUAXI SPECIAL STEEL CO LTD
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Patent Information

Application Number
CN202421545393.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-07-04
Estimated Expiration
2034-07-02

AI Technical Summary

Technical Problem

There are safety hazards during the replenishment of existing converter furnaces, such as the risk of slag accumulation in the converter flue, falling and scalding, and inconvenient operation, which affects production efficiency.

Method used

Design a converter replenishment equipment, using a motor to drive mobile blocks and air pumps to spray materials, realize automated replenishment and avoid manual contact with high-temperature areas.

Benefits of technology

A safe and fast converter refrigeration process is achieved, reducing the risk of personnel injury and improving production efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223061011U_ABST
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Abstract

The utility model relates to the technical field of steelmaking, and discloses converter fettling equipment which comprises a fettling assembly. The fettling assembly comprises a box body, wherein a door body is arranged on the outer side of the box body; the air pump is arranged on the inner side of the box body; the connecting pipe is arranged at the output end of the air pump; the storage bin is arranged on the connecting pipe and penetrates through the box body; the frame body is arranged on the inner side of the box body; the through groove is formed in the frame body; the motor is arranged on the frame body; the screw rod is rotationally arranged on the inner side of the frame body and is connected with the motor; according to the converter fettling equipment, a motor is started to drive a moving block to move, materials are stored in a storage tank, then the materials in the storage tank are conveyed into a storage bin, an air pump is started to spray out the materials in the storage bin, and the fettling effect is achieved; and the converter can be effectively and rapidly fettled, personnel are prevented from being injured, and the safety is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of steelmaking, in particular to a converter relining equipment. Background Art

[0002] Steelmaking refers to controlling the carbon content (generally less than 2%), removing harmful elements such as P, S, O, N, retaining or increasing beneficial elements such as Si, Mn, Ni, Cr, and adjusting the ratio between elements to obtain the best performance.

[0003] The converter used in the metallurgical industry for steelmaking is a smelting equipment with a high risk coefficient. There are smelting safety operation procedures, relining maintenance safety operation procedures, etc. during production. The converter mainly consists of a furnace shell, magnesia-carbon brick refractories, a tilting system, a cooling system, etc. In actual production, the erosion of the converter refractories is mainly caused by the fluctuations in the operation level of workers, the rapid cooling and heating of the refractory bricks, and the impact and scouring of scrap steel and hot metal entering the furnace. Therefore, timely and effectively maintaining the weak parts of the furnace body with relining materials or relining the converter is the main means. In severe cases, major production safety accidents such as furnace leakage will occur. It not only affects the production efficiency of the company but also endangers the safety of workers.

[0004] Safety hazards existing during the relining process: 1. The accumulated slag that is not easy to clean in the converter flue or hood is very likely to fall and injure the relining personnel in front of the furnace; 2. There is a possibility of falling and scalding; 3. The operator using the gunning material to gun the furnace lining is at risk of falling from the platform to the lower layer. Content of the Utility Model

[0005] (I) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a converter relining equipment, which has the advantage of being convenient for relining, and solves the problems that the existing converter flue is not easy to clean and there are safety hazards.

[0007] (II) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solution: A converter relining equipment, including a relining component; the relining component includes: a box body, on the outside of which a door body is provided; an air pump, arranged inside the box body; a connecting pipe, arranged at the output end of the air pump; a storage bin, arranged on the connecting pipe and passing through the box body; a frame body, arranged inside the box body; a through groove, opened on the frame body; a motor, arranged on the frame body; a lead screw, rotatably arranged inside the frame body and connected to the motor; a moving block, arranged inside the frame body and threadedly connected to the lead screw; a storage groove, opened on the top of the moving block; a feeding bin, arranged on the top of the box body.

[0009] In some embodiments, an auxiliary component is provided on the box body, and the auxiliary component includes a camera disposed on the box body.

[0010] In some embodiments, the auxiliary component further includes a heat insulation layer disposed inside the box body.

[0011] In some embodiments, the auxiliary component further includes a vibration motor disposed on the frame body.

[0012] In some embodiments, the auxiliary component further includes a baffle disposed on the moving block and passing through the frame body.

[0013] In some embodiments, the auxiliary component further includes sliding rods symmetrically disposed on the moving block and sliding grooves symmetrically formed on the frame body.

[0014] In some embodiments, the auxiliary component further includes an observation window disposed on the box body.

[0015] In some embodiments, the auxiliary component further includes a scale disposed on the feeding bin.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, the present utility model provides a converter relining device, which has the following beneficial effects:

[0018] For this converter relining device, by starting the motor to drive the moving block to move, the material is stored inside the storage tank, and then the material inside the storage tank is conveyed to the storage bin. Then, the air pump is started to spray the material inside the storage bin, achieving the effect of relining the furnace. This device does not require manual relining of the furnace, can effectively and quickly reline the converter, prevent personnel from being injured, and increase safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic diagram of the internal structure of the front side of the present utility model;

[0021] Figure 3 is a schematic diagram of the front side structure of the frame body of the present utility model;

[0022] Figure 4 is a schematic diagram of the top view structure of the moving block of the present utility model.

[0023] In the figure:

[0024] 1. Furnace repair component; 11. Box body; 12. Door body; 13. Air pump; 131. Connecting pipe; 14. Storage bin; 15. Frame body; 151. Through groove; 16. Motor; 161. Lead screw; 17. Moving block; 171. Storage tank; 18. Feeding bin;

[0025] 2. Auxiliary component; 21. Camera; 22. Heat insulation layer; 23. Vibration motor; 24. Baffle; 25. Slide bar; 26. Slide groove; 27. Observation window; 28. Scale meter. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.

[0027] It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative positional relationship and movement conditions between components in a specific posture. If this specific posture changes, the directional indication will also change accordingly.

[0028] In the present application, unless otherwise clearly specified and limited, terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0029] Steelmaking refers to controlling the carbon content (generally less than 2%), eliminating harmful elements such as P, S, O, and N, retaining or increasing beneficial elements such as Si, Mn, Ni, and Cr, and adjusting the ratio between elements to obtain the best performance.

[0030] The converter used for steelmaking in the metallurgical industry is a smelting equipment with a high risk factor. There are smelting safety operation procedures, furnace repair and maintenance safety operation procedures, etc. during production. The converter mainly consists of a furnace shell, magnesia-carbon brick refractories, a tilting system, a cooling system, etc. In actual production, the erosion of converter refractories is mainly caused by the fluctuations in the operation level of workers, the rapid cooling and heating of refractory bricks, and the impact and erosion of scrap steel and hot metal entering the furnace. Therefore, timely and effectively using furnace repair materials or a furnace repair converter to maintain the weak parts of the furnace body is the main means. In severe cases, major production safety accidents such as furnace leakage will occur. This not only affects the production efficiency of the company but also endangers the safety of workers.

[0031] In the related art, there are potential safety hazards during the furnace repair process: 1. The accumulated slag that is not easily cleaned in the converter flue or hood is very likely to fall and injure the furnace repair personnel in front of the furnace; 2. There is a possibility of falling and scalding; 3. The operator spraying the furnace lining with spray material is at risk of falling from the platform to the lower layer.

[0032] To solve the problems in the related art to a certain extent, the embodiment of the present application provides a converter furnace repair device. When in use, only need to start the motor 16 to drive the moving block 17 to move, store the material inside the storage tank 171, then transport the material inside the storage tank 171 to the inside of the storage bin 14, and then start the air pump 13 to spray the material inside the storage bin 14, achieving the effect of furnace repair. This device does not require manual furnace repair, can effectively and quickly repair the converter, prevent personnel from being injured, and increase safety.

[0033] The following describes the present application with reference to the accompanying drawings and specific embodiments:

[0034] Combined with Figures 1 - 4 , the embodiment of the present application provides a converter furnace repair device, including a furnace repair component 1; the furnace repair component 1 includes: a box body 11 with a door body 12 arranged on its outer side; an air pump 13 arranged inside the box body 11; a connecting pipe 131 arranged at the output end of the air pump 13; a storage bin 14 arranged on the connecting pipe 131 and passing through the box body 11; a frame body 15 arranged inside the box body 11; a through groove 151 opened on the frame body 15; a motor 16 arranged on the frame body 15; a lead screw 161 rotatably arranged inside the frame body 15 and connected to the motor 16; a moving block 17 arranged inside the frame body 15 and threadedly connected to the lead screw 161; a storage tank 171 opened on the top of the moving block 17; a feeding bin 18 arranged on the top of the box body 11.

[0035] The operator first adds the material into the feeding bin 18. Since the feeding bin 18 is connected to the through groove 151 and the storage tank 171 opened on the top of the moving block 17, the material can be added into the storage tank 171. Then, start the motor 16 through an external power supply to drive the lead screw 161 to rotate. Since the lead screw 161 is threadedly connected to the moving block 17, the moving block 17 can be driven to move, which can drive the storage tank 171 to be docked with the through groove 151 opened at the bottom of the frame body 15, so that the material inside the storage tank 171 can be added into the storage bin 14 through the through groove 151. After the addition is completed, start the vehicle body 11 to move it to the predetermined position, and then start the air pump 13 to spray the material inside the storage bin 14, achieving the effect of furnace repair. This device does not require manual furnace repair, can effectively and quickly repair the converter, prevent personnel from being injured, and increase safety.

[0036] In some embodiments, an auxiliary component 2 is provided on the box body 11, and the auxiliary component 2 includes; a camera 21 is provided on the box body 11.

[0037] The camera 21 is provided on one side of the box body 11, so that it is convenient for the operator to check the ladle repair condition of the storage bin 14 according to the camera 21. The camera is a high-temperature resistant water-cooled camera that can withstand at least 500 degrees Celsius.

[0038] In some embodiments, the auxiliary component 2 further includes; a heat insulation layer 22 is provided inside the box body 11.

[0039] The heat insulation layer 22 is provided inside the box body 11, so that the influence of heat on the internal parts of the box body 11 during the ladle repair process can be reduced, and the high temperature can be avoided, which may affect the service life of the internal parts of the box body 11.

[0040] In some embodiments, the auxiliary component 2 further includes; a vibration motor 23 is provided on the frame body 15.

[0041] The vibration motor 23 is provided on one side of the frame body 15, so that the materials adhered to the inside of the storage tank 171 can be vibrated down by starting the vibration motor 23, and the materials can be prevented from adhering to the inside of the storage tank 171.

[0042] In some embodiments, the auxiliary component 2 further includes; a baffle 24 is provided on the moving block 17 and passes through the frame body 15.

[0043] The baffle 24 is provided on one side of the moving block 17 and passes through one side of the frame body 15. After the moving block 17 is moved to one side, the baffle 24 can block the through groove 151 opened at the bottom of the frame body 15, preventing sundries from entering the inside of the storage bin 14 and increasing the safety.

[0044] In some embodiments, the auxiliary component 2 further includes; slide rods 25 are symmetrically provided on the moving block 17; chute grooves 26 are symmetrically opened on the frame body 15.

[0045] The slide rods 25 are symmetrically provided on both sides of the moving block 17, and the chute grooves 26 are symmetrically opened on both sides of the frame body 15. When the moving block 17 moves, the slide rods 25 can slide inside the chute grooves 26, which is convenient for the operator to check the position of the moving block 17, so as to start the motor 16 to control the position of the moving block 17.

[0046] In some embodiments, the auxiliary component 2 further includes; an observation window 27 is provided on the box body 11.

[0047] An observation window 27 is provided on one side of the box body 11, which facilitates the operator to view the furnace patching through the observation window 27, facilitating the operator to make fine adjustments and making the use more convenient.

[0048] In some embodiments, the auxiliary component 2 further includes; a scale 28 is provided on the feeding bin 18.

[0049] A scale 28 is provided on the front of the feeding bin 18, which facilitates the operator to observe the material condition inside the feeding bin 18, so as to add materials in time and improve the operation efficiency.

[0050] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0051] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by those of ordinary skill in the art. When the combination of technical solutions results in contradictions or cannot be achieved, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0052] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A converter relining device, characterized in that: It includes a furnace repair component (1); the furnace repair component (1) includes: A box body (11) with a door body (12) arranged on its outer side; An air pump (13) arranged inside the box body (11); A connecting pipe (131) arranged at the output end of the air pump (13); A storage bin (14) arranged on the connecting pipe (131) and passing through the box body (11); A frame body (15) arranged inside the box body (11); A through groove (151) opened on the frame body (15); A motor (16) arranged on the frame body (15); A lead screw (161) rotatably arranged inside the frame body (15) and connected to the motor (16); A moving block (17) arranged inside the frame body (15) and threadedly connected to the lead screw (161); A storage tank (171) opened on the top of the moving block (17); A feeding bin (18) arranged on the top of the box body (11).

2. The converter relining equipment according to claim 1, characterized in that: An auxiliary component (2) is arranged on the box body (11), and the auxiliary component (2) includes; A camera (21) arranged on the box body (11).

3. The converter relining equipment according to claim 2, characterized in that: The auxiliary component (2) further includes; A heat insulation layer (22) arranged inside the box body (11).

4. The converter relining equipment according to claim 3, characterized in that: The auxiliary component (2) further includes; A vibration motor (23) arranged on the frame body (15).

5. The converter relining equipment according to claim 4, characterized in that: The auxiliary component (2) further includes; A baffle (24) arranged on the moving block (17) and passing through the frame body (15).

6. The converter relining equipment according to claim 5, characterized in that: The auxiliary component (2) further includes; Slide rods (25) symmetrically arranged on the moving block (17); Chute grooves (26) symmetrically opened on the frame body (15).

7. The converter relining equipment according to claim 6, characterized in that: The auxiliary component (2) further includes; An observation window (27) arranged on the box body (11).

8. The converter relining equipment according to claim 7, characterized in that: The auxiliary component (2) further includes; A scale meter (28) arranged on the feeding bin (18).