Slag trough sliding nozzle prefabricated part

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By designing a slag trench prefabricated piece including a mechanical connection structure and a circulating cooling system, the problems of poor connection between the slag trench prefabricated piece and the main iron groove and excessive consumption of cooling water and energy in the prior art are solved, and the practicality of the device is improved and the energy consumption is reduced.

CN222758261UActive Publication Date: 2025-04-15WUHAN RUXING TECH CO LTD

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Patent Information

Application Number: CN202421447028.5
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-06-24
Publication Date: 2025-04-15
Estimated Expiration: 2034-06-24

AI Technical Summary

Technical Problem

The existing slag groove slit prefabricated parts cannot be effectively connected to the main iron groove, causing the slag to fall from the gap, affecting the practicality of the device; at the same time, it requires a large amount of cooling water and energy consumption, which increases production costs and energy consumption.

Method used

A prefabricated piece including a slag nozzle body, a mounting base plate, a connecting plate, a moving rack, a cylinder, a motor, a coolant storage tank and a circulation cooling tube are designed. Through the mechanical structure driven by the cylinder and motor, the up and down movement of the slag groove nozzle main body and good connection with the main iron groove are achieved; at the same time, a water suction pump and circulating cooling pipe system are adopted to reduce the consumption of cooling water and energy.

Benefits of technology

The stable connection between the slag groove prefabricated parts and the main iron groove is achieved, which avoids the drop of slag and improves the practicality of the device. At the same time, through the circulating cooling system, the consumption of cooling water and energy is significantly reduced, and production costs and energy consumption are reduced.

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Abstract

The utility model discloses a slag trough sliding nozzle prefabricated part which comprises a slag trough sliding nozzle main body, a moving frame, an air cylinder, a connecting block, a lead screw, a motor, a cooling liquid storage tank, a water suction pump and a cooling pipe, the moving frame is rotationally connected to a first connecting plate through a pin, and the moving frame is rotationally connected with a second connecting plate through a pin; the cylinder drives the telescopic shaft to drive the moving block to move left and right, the moving block pushes the moving frame to move upwards when moving left and right, the moving frame moves upwards to drive the slag trough sliding nozzle body to move up and down, the motor drives the lead screw to drive the connecting block to move left and right, and left-right movement of the moving plate is achieved. Therefore, the slag runner chute nozzle main body can be well connected to the main iron runner; cooling liquid in the cooling liquid storage tank is pumped into the cooling pipe through the water suction pump, the cooling liquid circulates in the cooling pipe by one circle and returns to the cooling liquid storage tank, and the circulation is repeated, so that consumption of a large amount of cooling water and energy is avoided, and production cost and energy consumption are reduced.

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Description

Technical Field

[0001] The utility model relates to the field of industrial metallurgical furnace materials, in particular to a slag ditch nozzle prefabricated part. Background Art

[0002] The slag ditch nozzle prefabricated parts are mainly used to guide the molten slag separated from the main iron ditch into the water slag trough inlet device. The slag ditch nozzle prefabricated parts are usually composed of a steel structure shell and a refractory lining. The prefabricated parts are formed in a casting mold, and the quality is more uniform and solid, reducing the risk of local nozzle burnout due to uneven application or loose pressing. The prefabricated parts have good high-temperature erosion resistance, corrosion resistance to molten iron and iron slag, oxidation resistance and rapid cooling and heating resistance, making them more stable and reliable during use. The design of the prefabricated parts allows them to be easily replaced. Replacement and repair can reduce the production interruption time caused by nozzle damage and improve the continuity of production. However, there are still some shortcomings. First, the slag ditch nozzle prefabricated parts cannot be well connected with the main iron ditch. Since the slag ditch nozzle prefabricated parts are heavy and difficult to move, some tiny gaps are difficult to align, and the slag will fall from the gaps due to insufficient connection, thus affecting the practicability of the device. Second, in order to maintain the normal operation of the slag ditch nozzle prefabricated parts, a large amount of cooling water and energy are usually consumed, which increases production costs and energy consumption. Utility Model Content

[0003] The purpose of the utility model is to provide a slag ditch nozzle prefabricated component to solve the problem that the existing slag ditch nozzle prefabricated component cannot be well connected with the main iron ditch, because the slag ditch nozzle prefabricated component is heavy and difficult to move, some fine gaps are difficult to align, and slag will fall from the gaps due to insufficient connection, thereby affecting the practicality of the device; it can also solve the problem that the existing slag ditch nozzle prefabricated component needs to consume a large amount of cooling water and energy, which increases production costs and energy consumption.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a slag ditch nozzle prefabricated component, including a slag ditch nozzle body, a mounting base plate, a first connecting plate, a movable frame, a second connecting plate, a movable block, a telescopic shaft, a cylinder, a connecting block, a screw rod, a motor, a coolant storage tank, a conduit, a water suction pump, a connecting pipe and a cooling pipe, the bottom of the slag ditch nozzle body is fixedly connected to the mounting base plate by a thread, the mounting base plate is provided with a first connecting plate, the first connecting plate is rotatably connected to the movable frame by a pin, the movable frame is rotatably connected to the second connecting plate by a pin, and the second connecting plate is fixed On the moving block, a telescopic shaft is arranged on one side of the moving block, the telescopic shaft is fixed on the cylinder, the bottom end of the cylinder is fixed on the moving plate, connecting blocks are symmetrically arranged on both sides of the moving plate, the connecting blocks are connected to the screw rod through the ball nut embedded and installed internally, and one end of the screw rod is fixed to the output end of the motor; a coolant storage tank is fixed on one side of the slag ditch nozzle body, a conduit is sleeved on one side of the coolant storage tank, the conduit is fixedly sleeved on the water suction pump, a connecting pipe is arranged on the top of the water suction pump, the connecting pipe is connected to one end of the cooling pipe, and the other end of the cooling pipe is sleeved on the coolant storage tank.

[0005] As a further technical solution of the utility model, the limiting groove provided at the bottom of the moving block is slidably connected to the slide rail.

[0006] As a further technical solution of the utility model, the slide rail is fixed at the center of the movable plate.

[0007] As a further technical solution of the utility model, the other end of the screw rod is rotatably connected to the fixed plate.

[0008] As a further technical solution of the utility model, the fixing plate is fixed on a fixing bottom plate.

[0009] As a further technical solution of the utility model, the motor is fixed on a fixed base plate.

[0010] As a further technical solution of the utility model, a screw is sleeved in a through hole opened on the bottom of the slag chute nozzle body, one end of the screw is connected to a nut through threaded cooperation, and the nut is fitted on the installation base plate.

[0011] The utility model provides a slag ditch nozzle prefabricated part, which has the advantages that: the telescopic shaft is driven to move left and right by the cylinder, and a moving block is slidably connected to the telescopic shaft. The left and right movement of the telescopic shaft drives the moving block to move left and right. A second connecting plate is arranged on the moving block, and a moving frame is rotatably connected to the second connecting plate. When the moving block moves left and right, it will push the moving frame to move upward. The moving frame is rotatably connected to the first connecting plate, and the first connecting plate is fixed to the mounting bottom plate. When the moving frame moves upward, it will drive the mounting bottom plate to move upward. The mounting bottom plate is fixed to the slag ditch nozzle body, so that the slag ditch nozzle body can be moved up and down. The cylinder is fixed on the moving plate, the moving plate is fixed on the connecting block, the motor drives the lead screw to rotate, the lead screw is connected with the connecting block through the ball nut embedded inside, the rotation of the lead screw drives the connecting block to move left and right, so as to realize the left and right movement of the moving plate, so that the slag ditch nozzle body can be well connected to the main iron ditch; the coolant in the coolant storage tank is pumped into the cooling pipe through the conduit and the connecting pipe by the water suction pump, the coolant circulates in the cooling pipe for one circle and returns to the coolant storage tank, and so on and so forth, thereby avoiding the consumption of a large amount of cooling water and energy, and reducing production costs and energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the cooling pipe of the utility model;

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the mobile frame of the utility model;

[0016] Figure 4 It is a side view of the utility model;

[0017] In the figure: 1. slag chute nozzle body; 2. mounting base plate; 3. first connecting plate; 4. moving frame; 5. second connecting plate; 6. moving block; 7. telescopic shaft; 8. cylinder; 9. slide rail; 10. moving plate; 11. connecting block; 12. screw rod; 13. motor; 14. fixed base plate; 15. fixed plate; 16. coolant storage tank; 17. conduit; 18. water suction pump; 19. connecting pipe; 20. cooling pipe; 21. screw; 22. nut. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-4, an embodiment provided by the utility model: a slag ditch nozzle prefabricated component, including a slag ditch nozzle body 1, a mounting base plate 2, a first connecting plate 3, a mobile frame 4, a second connecting plate 5, a moving block 6, a telescopic shaft 7, a cylinder 8, a connecting block 11, a screw rod 12, a motor 13, a coolant storage tank 16, a conduit 17, a water suction pump 18, a connecting pipe 19 and a cooling pipe 20, the bottom of the slag ditch nozzle body 1 is fixedly connected with the mounting base plate 2 by a thread, the mounting base plate 2 is used to install various components, a first connecting plate 3 is provided on the mounting base plate 2, the first connecting plate 3 is used to connect the moving frame 4, the first connecting plate 3 is rotatably connected with the moving frame 4 by a pin, the moving frame 4 is used to move the slag ditch nozzle body 1 up and down, the moving frame 4 is rotatably connected with the second connecting plate 5 by a pin, the second connecting plate 5 is used to connect the moving frame 4, the second connecting plate 5 is fixed on the moving block 6, the moving block 6 is used to push the moving frame 4 to move up and down, a telescopic shaft 7 is provided on one side of the moving block 6, and the telescopic shaft 7 is fixed on the cylinder 8, the bottom end of the cylinder 8 is fixed on the moving plate 10, the moving plate 10 is used to fix the cylinder 8 and the connecting block 11, the connecting blocks 11 are symmetrically arranged on both sides of the moving plate 10, the connecting blocks 11 are connected to the screw rod 12 through the ball nut embedded and installed inside, and one end of the screw rod 12 is fixed to the output end of the motor 13; a coolant storage tank 16 is fixed on one side of the slag ditch nozzle body 1, the coolant storage tank 16 is used to store coolant, and a conduit is sleeved on one side of the coolant storage tank 16 17, the conduit 17 is used to connect the coolant storage tank 16 and the water suction pump 18, the conduit 17 is fixedly sleeved on the water suction pump 18, the water suction pump 18 is used to suck the coolant in the coolant storage tank 16, and a connecting pipe 19 is provided on the top of the water suction pump 18, the connecting pipe 19 is used to connect the water suction pump 18 and the cooling pipe 20, the connecting pipe 19 is connected to one end of the cooling pipe 20, the cooling pipe 20 is used for cooling, and the other end of the cooling pipe 20 is sleeved on the coolant storage tank 16;

[0021] The moving block 6 is slidably connected to the slide rail 9 in the limiting groove at the bottom thereof, and the slide rail 9 is used to limit the moving block 6 to slide on the slide rail 9;

[0022] The slide rail 9 is fixed at the center of the moving plate 10, and the moving plate 10 is used to fix the cylinder 8 and the connecting block 11;

[0023] The other end of the screw rod 12 is rotatably connected to a fixing plate 15, and the fixing plate 15 is used to fix the screw rod 12;

[0024] The fixing plate 15 is fixed on the fixing bottom plate 14, and the fixing bottom plate 14 is used to fix the slag ditch nozzle body 1;

[0025] The motor 13 is fixed on the fixed base plate 14, and the motor 13 is used to drive the screw rod 12 to rotate;

[0026] A screw 21 is sleeved in the through hole opened on the bottom of the slag ditch nozzle body 1. The screw 21 is used to fix the slag ditch nozzle body 1 on the mounting base plate 2. One end of the screw 21 is connected to a nut 22 through threaded cooperation. The nut 22 is used to connect the screw 21. The nut 22 is attached to the mounting base plate 2.

[0027] Specifically, when in use, first, when it is necessary to guide the molten slag separated in the main iron groove into the water slag groove, the telescopic shaft 7 is driven by the cylinder 8 to move left and right, and the telescopic shaft 7 is slidably connected with a moving block 6. The left and right movement of the telescopic shaft 7 drives the moving block 6 to move left and right. A second connecting plate 5 is provided on the moving block 6, and a moving frame 4 is rotatably connected to the second connecting plate 5. When the moving block 6 moves left and right, it will push the moving frame 4 to move upward. The moving frame 4 is rotatably connected with a first connecting plate 3, and the first connecting plate 3 is fixed on the mounting base plate 2. The upward movement of the moving frame 4 will drive the mounting base plate 2 to move upward, and the mounting base plate 2 is fixed on the slag groove nozzle body 1, so as to realize the up and down movement of the slag groove nozzle body 1, and the cylinder 8 is fixed. The movable plate 10 is fixed on the movable plate 10, and the movable plate 10 is fixed on the connecting block 11. The motor 13 drives the screw rod 12 to rotate. The screw rod 12 is connected with the connecting block 11 through the ball nut embedded inside. The rotation of the screw rod 12 drives the connecting block 11 to move left and right, so as to realize the left and right movement of the movable plate 10, so that the slag groove nozzle body 1 can be well connected to the main iron groove; the coolant in the coolant storage tank 16 is pumped into the cooling pipe 20 through the conduit 17 and the connecting pipe 19 by the water suction pump 18, and the coolant circulates in the cooling pipe 20 for one circle and returns to the coolant storage tank 16, and repeats the cycle, thereby avoiding the consumption of a large amount of cooling water and energy, and reducing production costs and energy consumption.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A slag ditch nozzle prefabricated component, comprising a slag ditch nozzle body (1), a mounting base plate (2), a first connecting plate (3), a moving frame (4), a second connecting plate (5), a moving block (6), a telescopic shaft (7), a cylinder (8), a connecting block (11), a screw rod (12), a motor (13), a coolant storage tank (16), a guide tube (17), a water suction pump (18), a connecting pipe (19) and a cooling pipe (20), characterized in that: The bottom of the slag chute nozzle body (1) is fixedly connected to a mounting base plate (2) by means of threads, a first connecting plate (3) is arranged on the mounting base plate (2), a moving frame (4) is rotatably connected to the first connecting plate (3) by means of pins, the moving frame (4) is rotatably connected to a second connecting plate (5) by means of pins, the second connecting plate (5) is fixed to a moving block (6), a telescopic shaft (7) is arranged on one side of the moving block (6), the telescopic shaft (7) is fixed to a cylinder (8), the bottom end of the cylinder (8) is fixed to a moving plate (10), and connecting blocks (11) are symmetrically arranged on both sides of the moving plate (10) The connecting block (11) is connected to the screw rod (12) through an internally embedded ball nut, and one end of the screw rod (12) is fixed to the output end of the motor (13); a coolant storage tank (16) is fixed to one side of the slag chute nozzle body (1), a guide tube (17) is sleeved on one side of the coolant storage tank (16), and the guide tube (17) is fixedly sleeved on the water suction pump (18). A connecting pipe (19) is provided on the top of the water suction pump (18), and the connecting pipe (19) is connected to one end of a cooling pipe (20), and the other end of the cooling pipe (20) is sleeved on the coolant storage tank (16).

2. A slag chute nozzle prefabricated component according to claim 1, characterized in that: The movable block (6) is slidably connected to the slide rail (9) in a limiting groove provided at the bottom thereof.

3. A slag chute nozzle prefabricated component according to claim 2, characterized in that: The slide rail (9) is fixed at the center of the moving plate (10).

4. The slag ditch nozzle prefabricated component according to claim 1, characterized in that: The other end of the screw rod (12) is rotatably connected to the fixing plate (15).

5. A slag ditch nozzle prefabricated component according to claim 4, characterized in that: The fixing plate (15) is fixed on the fixing base plate (14).

6. The slag ditch nozzle prefabricated component according to claim 1, characterized in that: The motor (13) is fixed on a fixed base plate (14).

7. The slag ditch nozzle prefabricated component according to claim 1, characterized in that: A screw (21) is sleeved in a through hole formed on the bottom of the slag chute body (1), one end of the screw (21) is connected to a nut (22) through threaded engagement, and the nut (22) is fitted onto the mounting base plate (2).