Mechanized refractory lining masonry device and method for steel ladle

Through the mechanized lining refractory material masonry device, using a rotating brick platform and a bricklaying robot, the problems of high manual labor intensity and inaccurate brick laying in the construction of refractory lining materials for molten steel tanks were solved, and an efficient and safe masonry process was achieved.

CN116408440BActive Publication Date: 2025-09-23WUHAN JINGDING TECH CO LTD
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Patent Information

Application Number
CN202310238656.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-07
Publication Date
2025-09-23
Estimated Expiration
2043-03-07

AI Technical Summary

Technical Problem

The construction of refractory lining materials for molten steel tanks is labor-intensive, has many safety hazards, and inaccurate brick laying. It is difficult to ensure quality, especially in high-temperature environments.

Method used

A mechanized refractory-lined masonry device is used, including a support frame, a rotating brick platform, a bricklaying robot and a control console. Masonry is carried out through mechanized assisted operations. The rotating brick platform, brick feeding roller and mechanical pusher are used to achieve accurate positioning and adjustment of the bricks. The vibrator is used to ensure accurate brick laying.

Benefits of technology

It reduces the labor intensity of workers, improves masonry efficiency, ensures the accurate installation of bricks, improves masonry quality, reduces safety hazards, improves masonry efficiency, simplifies manual operations during the masonry process, and improves the safety and efficiency of masonry.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a mechanized refractory lining masonry device and method for a molten steel tank. The masonry device includes a support frame, a bricklaying robot, and a rotating brick platform placed in the middle of the support frame. A rotating motor is provided at the bottom of the rotating brick platform, and first and second brick-feeding rollers are horizontally provided on both sides of the rotating brick platform. The bricklaying robot is installed on the side of the support frame away from the wall of the molten steel tank through a mounting bracket. The robot includes a mechanical pusher and a push rod. A flexible gripping portion is provided at the contact portion between the mechanical pusher and the brick body to be laid. A vibrator is provided on the mechanical pusher. When the brick body to be laid is located on the concave surface of the rotating brick platform, the flexible gripping portion of the bricklaying robot contacts one of the upper corners of the brick body to be laid away from the wall of the molten steel tank. The present invention replaces the actions of brick feeding, rotation, brick pushing, and kneading in the manual masonry process with machinery, thereby reducing labor intensity and improving masonry efficiency.
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Description

Technical Field

[0001] The invention belongs to the field of steel ladle masonry construction, in particular to a mechanized refractory lining masonry device and method for steel ladle. Background Art

[0002] Molten steel ladle, also known as a ladle, steel ladle, or steel ladle, is a crucial piece of equipment used to transport molten steel during the continuous casting process of steelmaking. Due to its long-term exposure to high-temperature molten steel, the refractory lining of the ladle is susceptible to corrosion, a major determinant of its lifespan. Therefore, replacement and maintenance are necessary based on usage.

[0003] Currently, the construction of refractory linings for steel ladle linings primarily involves refractory brickwork and bulk material construction. The latter is relatively complex, lacking specialized construction equipment. Typically, the refractory material is hoisted into the ladle using a crane, and then manually laid, brick by brick, onto the ladle wall. Due to the large volume of bricks used in the ladle wall, typically around 40-60 tons, manual construction is labor-intensive, time-sensitive, and arduous. It also places heavy strain on workers, often leading to fatigue and unreliable quality. Furthermore, the high temperature and poor working environment inside the ladle create numerous safety risks.

[0004] However, mechanical masonry of the lining of a steel ladle presents the following construction difficulties: First, the brick types used in the lining of the steel ladle mainly include pointed bricks and square brick arches. The two different brick types require different brick feeding equipment during the masonry process. Second, various factors may arise during the brick feeding process, and the bricks may not be oriented in the correct direction or positioned correctly for masonry. Alternatively, the size of the bricks may need to be adjusted, making it impossible to ensure that the bricks are accurately placed in place during mechanical masonry. Third, because the wall of the steel ladle is round and the bricks are irregular, it is not possible to simply place them in during masonry. Instead, they require a push and fine-tuning of their position, which is not possible with a typical robot. Summary of the Invention

[0005] In order to better improve efficiency, reduce manual labor intensity, and ensure masonry quality, the present invention provides a mechanized refractory lining masonry device and method for molten steel tanks. The masonry device uses mechanized auxiliary operation to transform the bricklaying process from manual to semi-mechanized. The brick feeding and masonry processes are carried out by mechanical devices. The entire process only requires manual auxiliary operation and supervision, thereby better improving efficiency and reducing manual labor intensity.

[0006] In order to achieve the above technical purpose, the present invention provides a mechanized lining refractory material masonry device for a molten steel tank, characterized in that: the masonry device includes a support frame, a rotating brick platform located in the middle of the support frame and a bricklaying robot located on the side of the support frame, the rotating brick platform is arranged in a concave shape, and a rotating motor is provided at the bottom, the rotating motor is fixed on the support frame, the rotating brick platform is installed at the output end of the rotating motor, and a first brick feeding roller and a second brick feeding roller are horizontally arranged on both sides of the rotating brick platform, the outlet ends of the first brick feeding roller and the second brick feeding roller are respectively opposite to the two raised parts of the rotating brick platform, and the rollers are moved The brick body to be laid is transferred to the concave surface of the rotating brick platform through the convex part of the rotating brick platform; the bricklaying robot is installed on the side of the support frame away from the wall of the molten steel tank through the installation bracket, and the force end of the bricklaying robot is facing the center of the rotating brick platform, and when the brick body to be laid is located on the concave surface of the rotating brick platform, the force end of the bricklaying robot contacts one of the corners above the side of the brick body to be laid away from the wall of the molten steel tank; the bricklaying robot includes a mechanical pusher and a push rod, the mechanical pusher is a hollow frame structure, and the contact part between the mechanical pusher and the brick body to be laid is provided with a flexible gripping part with the concave surface facing downward, and a vibrator is provided on the mechanical pusher.

[0007] A better technical solution of the present invention: the masonry device also includes a control console and an operating station, the control console is provided with a controller, an operating panel and a control handle, the control console is arranged on the side of the support frame away from the wall of the molten steel tank, and the operating station is located in the control console; the control ends of the rotating motor, the first brick feeding roller, the second brick feeding roller, the push rod and the vibrator are all connected to the controller in the control console through signal lines, and the controller is connected to the operating panel and the control handle through signal lines.

[0008] A better technical solution of the present invention is: the push rod is a hydraulic push rod or an electric push rod, the mechanical pusher is connected to the piston end of the push rod through a spring, and a protective shell is provided outside the spring, and the protective shell extends to the piston rod part of the push rod; the flexible gripping part is an O-shaped rubber ring, and its contact surface with the brick body to be laid faces downward and is concave.

[0009] A better technical solution of the present invention: the mounting bracket includes a lifting support rod and a universal adjustment rod, the lifting support rod is fixed on the support frame, the universal adjustment rod is installed on the top of the lifting support rod, the bricklaying robot is installed on the universal adjustment rod, and the bricklaying robot is tilted horizontally downward by 10 to 15 degrees.

[0010] A better technical solution of the present invention: the masonry device also includes a walking mechanism arranged at the bottom of the support frame, the walking mechanism includes four walking wheels and a walking drive device arranged at the bottom of the support frame, and the movement of the walking wheels is controlled by the walking drive device; the walking drive device is connected to the control console through a signal line.

[0011] The preferred technical solution of the present invention is as follows: the first brick feeding roller and the second brick feeding roller are symmetrically arranged on both sides of the rotating brick platform, the brick feeding roller on each side adopts a reverse variable power roller, and the control end of the power roller is connected to the operating handle of the operating table.

[0012] The better technical solution of the present invention is: the rotating brick platform rotates 360 degrees, and its rotating motor is selected as an AC synchronous motor, a low-speed permanent magnet forward and reverse small motor, a 220V slow gear reduction motor, with a speed of 10 rpm. The drive motor is connected in forward and reverse mode, and the button is connected to the control handle of the operating console for control.

[0013] The preferred technical solution of the present invention is as follows: the stroke of the push rod is 350 to 450 mm, which is achieved by an electric hydraulic rod that runs forward and backward; the push rod forms a 45-degree angle with the contact surface of the brick body to be laid on the concave surface of the rotating brick platform.

[0014] The present invention also provides a mechanized refractory lining masonry method for a molten steel tank, which is characterized in that the mechanized refractory lining masonry device for a molten steel tank is used for masonry, and the specific steps are as follows:

[0015] (1) The masonry device is hoisted into the molten steel ladle by a lifting device and moved to the refractory lining masonry area, and the position of the masonry device is adjusted so that the brick outlet end of the concave surface of the rotating brick platform of the masonry device is adjacent to the brick masonry position;

[0016] (2) Determine the type of refractory bricks to be laid, and transport the refractory bricks to the concave surface of the rotating brick table through the first brick feeding roller or the second brick feeding roller;

[0017] (3) The bricks to be laid on the rotating brick platform are rotated to the angle of the brick laying position by a rotating motor, and the brick laying position is subjected to a ash spraying treatment by a ash spraying system;

[0018] (4) Control the movement of the bricklaying robot so that the O-shaped rubber ring of the robot pusher is in close contact with the corner of the upper part of the side of the brick to be laid away from the steel ladle wall, which is adjacent to the bricklaying robot. Start the push rod, push the robot pusher through the push rod, and push the brick to be laid to the brick laying position on the inner wall of the steel ladle. At the same time, start the vibration device on the bricklaying robot to adjust the brick to be laid to the precise position through vibration to complete the bricklaying action;

[0019] (5) Retract the bricklaying robot in the reverse direction, move the bricklaying device to the next bricklaying position, and place the brick outlet in the rotating brick platform adjacent to the next bricklaying position, repeat steps (2) to (4) to perform bricklaying again, and complete the entire process of laying the inner wall lining material of the molten steel tank in sequence.

[0020] The present invention mainly focuses on the arch masonry of pointed bricks and square bricks in the refractory bricks lining the molten steel tank; the door bricks are special bricks that are processed when the door is closed. The present invention does not consider the masonry of door bricks for the time being and still uses the existing manual door closing method.

[0021] Beneficial effects of the present invention:

[0022] (1) The present invention can feed bricks from the left and right sides to meet the requirements of laying pointed bricks and square bricks. Square bricks are fed from one side and pointed bricks are fed from the other side. The workers can judge the required brick type and control the mechanical part to transport the bricks to the bricklaying platform. The left and right horizontal bricks are fed by power rollers. The power rollers are in a variable direction mode. The power roller control button is connected to the operating handle and is controlled by the worker. The forward and reverse directions can be controlled by manual buttons and the mechanical operation is realized.

[0023] (2) The bricklaying platform of the present invention is a rotating platform that can rotate 360 ​​degrees. The angle of the brick body can be adjusted by rotating the bricks to ensure the appropriate laying angle of the bricks.

[0024] (3) The present invention is provided with a mechanical brick-pushing mechanism, which includes a mechanical pusher. The contact portion between the pusher and the swivel is configured as a rubber ring structure, which can make good contact with the corner of the swivel and give thrust from the diagonal of the brick body, ensuring that the brick body has a pushing action both horizontally and vertically, and the rubber ring has greater friction with the brick corner, so that the brick body is better stressed; and a vibration mechanism is provided on the mechanical pusher, which can vibrate and fine-tune the position of the brick body during the brick-pushing process, ensuring that the brick body can be accurately laid in place. After the brick body is pushed into place, it can vibrate under the pushing force, so that the surface of the brick has downward pressure, and is kneaded to make the brick close to the horizontal and downward sides.

[0025] (4) The masonry device of the present invention is provided with a traveling mechanism, which can automatically move to the next construction area through the driving device after completing the bricklaying work in one area, thereby facilitating the movement of the device.

[0026] The present invention replaces the manual masonry actions of feeding bricks, rotating, pushing bricks for masonry, kneading, etc. with machinery, sets different mechanisms to match different actions, and completes a series of actions through controllers, drivers, and actuators; and concentrates the control buttons on the operating handle, simplifying the operation to button operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a front structural schematic diagram of the present invention;

[0028] Figure 2 is a top view of the present invention;

[0029] Figure 3 is a side view of the present invention;

[0030] Figure 4 It is a structural schematic diagram of the bricklaying robot in the present invention;

[0031] Figure 5 It is a control principle block diagram in the present invention.

[0032] In the figure: 1-support frame, 2-rotating brick platform, 3-bricklaying robot, 300-mechanical pusher, 301-push rod, 302-flexible gripping part, 303-vibrator, 304-spring, 305-protective shell, 4-rotating motor, 5-first brick feeding roller, 6-second brick feeding roller, 7-mounting bracket, 700-lifting support rod, 701-universal adjustment rod, 8-brick body to be laid, 9-control console, 10-operating station, 11-travel drive device, 12-travel wheel. DETAILED DESCRIPTION

[0033] The present invention will be further described below with reference to the accompanying drawings and embodiments. Figures 1 to 5 The accompanying drawings are simplified versions of the embodiments and are only used to clearly and concisely illustrate the embodiments of the present invention. The technical solutions shown in the accompanying drawings are specific solutions of the embodiments of the present invention and are not intended to limit the scope of the invention claimed for protection. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without creative work are within the scope of protection of the present invention.

[0034] In the description of the present invention, it should be understood that the terms "upper," "lower," "inner," "outer," "left," "right," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is typically placed when in use, or are the orientations or positional relationships commonly understood by those skilled in the art. These terms are intended solely to facilitate the description of the present invention and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "first," "second," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0035] The first embodiment provides a mechanized refractory lining masonry device for a molten steel tank, such as Figures 1 to 3As shown, the masonry device includes a support frame 1, a rotating brick platform 2 located in the middle of the support frame 1 and a bricklaying robot 3 located on the side of the support frame 1. A walking mechanism is provided at the bottom of the support frame 1. The walking mechanism includes four walking wheels 12 and a walking drive device 11 arranged at the bottom of the support frame 1. The movement of the walking wheels 12 is controlled by the walking drive device 11. The walking mechanism has its own braking mechanism and can be fixed when not moving. The walking drive device 11 includes a motor and a reducer. The control button can be designed under the bricklaying platform and controlled by the feet. The rotating brick platform 2 is arranged in a concave shape, and a rotating motor 4 is provided at the bottom. The rotating motor 4 is fixed on the support frame 1. The rotating brick platform 2 is installed at the output end of the rotating motor 4. The first brick feeding roller 5 and the second brick feeding roller 6 are horizontally arranged on both sides of the rotating brick platform 2. The first brick feeding roller 5 and the second brick feeding roller 6 are symmetrically arranged on both sides of the rotating brick platform 2. The outlet ends of the first brick feeding roller 5 and the second brick feeding roller 6 are respectively facing the two raised parts of the rotating brick platform 2, and the brick body 8 to be laid on the roller is transferred to the concave surface of the rotating brick platform 2 through the raised parts of the rotating brick platform 2; the bricklaying robot 3 is installed on the side of the support frame 1 away from the wall of the molten steel tank through the mounting bracket 7, and the force end of the bricklaying robot 3 faces the center of the rotating brick platform 2, and when the brick body 8 to be laid is located on the concave surface of the rotating brick platform 2, the force end of the bricklaying robot 3 contacts one of the corners above the side of the brick body 8 away from the wall of the molten steel tank.

[0036] The first embodiment provides a mechanized refractory lining masonry device for a molten steel tank, such as Figure 1 and Figure 2 As shown, the mounting bracket 7 includes a lifting support rod 700 and a universal adjustment rod 701. The lifting support rod 700 is fixed to the support frame 1. The universal adjustment rod 701 is installed on the top of the lifting support rod 700. The bricklaying robot 3 is installed on the universal adjustment rod 701, and the bricklaying robot 3 is tilted downward by 10 to 15 degrees. Figure 3As shown, the bricklaying robot 3 includes a robot pusher 300 and a push rod 301. The robot pusher 300 is a hollow frame structure. The contact part of the robot pusher 300 with the brick body 8 to be laid is provided with a flexible gripping part 302 with a concave surface facing downward. The flexible gripping part 302 is an O-shaped rubber ring, and its contact surface with the brick body 8 to be laid is downward and concave. Other flexible materials can also be used to ensure that the contact surface with the brick to be laid is a flexible surface. The robot pusher 300 has a built-in metal skeleton. The robot pusher 300 is provided with a small electric vibrator 303, which is operated by inching, that is, it starts vibrating when the button is pressed and stops vibrating when the button is released. The push rod 301 is a hydraulic or electric push rod. The manipulator 300 is connected to the piston end of the push rod 301 via a spring 304. A protective housing 305 is provided outside the spring 304, extending to the piston portion of the push rod 301. The push rod 301 and the manipulator are also flexibly connected. The connecting spring is a 3.5mm diameter, 65nm manganese steel, high-strength, low-compression spring with a diameter of 3.5mm, 35mm, and 60mm. A metal sleeve supports the spring.

[0037] The first embodiment provides a mechanized refractory lining masonry device for a molten steel tank, such as Figures 1 to 5 As shown, the masonry device also includes a control console 9 and an operating station 10. The control console 9 is equipped with a controller, an operating panel, and a control handle. The control console 9 is located on the side of the support frame 1 away from the molten steel ladle wall, and the operating station 10 is located within the control console 9. The control ends of the rotating motor 4, the first brick feed roller 5, the second brick feed roller 6, the push rod 301, and the vibrator 303 are all connected to the controller within the control console 9 via signal lines. The controller is also connected to the operating panel and the control handle via signal lines. The travel drive device 11 is connected to the control console 9 via signal lines. In this embodiment, the first brick feed roller 5 and the second brick feed roller 6 both utilize power rollers with variable reversibility, and the control ends of the power rollers are connected to the operating handle of the control console 9. The rotating brick platform 2 in this embodiment rotates 360 degrees. Its rotating motor 4 is an AC synchronous motor with a low-speed permanent magnet forward and reverse motor and a 220V slow gear reduction motor with a speed of 10 rpm. The drive motor is connected in forward and reverse mode and is controlled by a button connected to the control handle of the control console 9. The push rod 301 in the embodiment has a stroke of 400 mm, which is achieved by an electric hydraulic rod that operates in both forward and reverse directions; the push rod 301 forms a 45-degree angle with the contact surface of the brick body 8 to be laid, which is placed on the concave surface of the rotating brick platform 2. The operating handle in the embodiment mainly integrates the buttons for various operating actions into the operating handle, simplifying the operation and reducing labor intensity. The buttons are reasonably arranged to facilitate left-handed and right-handed operation. A power switch can also be provided to control the power supply of the entire system. The main power supply is set on a stand on the side of the operating handle. The operating station 10 in the embodiment can be configured as a worker's seat, integrated with the bricklaying platform, and moving forward and backward with the platform.

[0038] The masonry process of the present invention is as follows: refractory bricks are transported from the left and right brick feeding rollers to the end of the rollers, and the bricks stop at this position to be laid. The workers judge what bricks to use and start the corresponding button. The power roller on the corresponding side moves and moves to the middle of the masonry platform. The bricks are placed on the rotating platform in the center of the bricklaying platform. The workers judge the state of the bricks and rotate the bricks to achieve the best masonry angle. The workers spray the bricks and start the brick pushing button. The brick pushing machine moves and pushes the bricks onto the masonry. The vibration button is started and the front end of the brick pushing machine vibrates. The brick laying robot is retracted in the reverse direction to complete the brick laying action. The masonry device is moved to the next masonry position and the above process is repeated for masonry again.

[0039] The operating handle of the present invention can realize the following actions and is conveniently positioned for operation. (1) Left and right movement of the main operating platform. (2) Forward and reverse rotation of the first and second brick feeding rollers. (3) Forward and reverse rotation of the rotating platform. (4) Pushing and retracting actions of the brick pushing action. (5) Height adjustment of the platform.

[0040] The second embodiment provides a method for masonry of a mechanized lining refractory material for a molten steel tank, which is masonry using the mechanized lining refractory material masonry device for a molten steel tank in the first embodiment. The specific steps are as follows:

[0041] (1) The masonry device is hoisted into the molten steel tank by a lifting device and moved to the lining refractory material masonry area, and the position of the masonry device is adjusted so that the brick outlet end of the concave surface of the rotating brick platform of the masonry device is adjacent to the brick masonry position.

[0042] (2) Determine the type of refractory bricks to be laid, and transport the refractory bricks to the concave surface of the rotating brick table through the first brick feeding roller or the second brick feeding roller.

[0043] (3) The bricks to be laid on the rotating brick platform are rotated to the angle of the brick laying position by a rotating motor, and the brick laying position is subjected to soot blowing by a soot blowing system; the soot blowing system is an existing device. Generally, if there are debris such as ash, sand, etc. on the masonry working surface before bricklaying, air blowing is used. An air duct can be designed to connect to the compressed air on site, and the air outlet is fixed on the masonry platform. The blowing action is achieved by switching the valve; then the slurry is sprayed by the slurry spraying system. The slurry spraying system is mainly realized by a mud compression pump. The mud pump is connected to a mud delivery pipe and introduced into the tank, which is fixed above the masonry. The mud delivery is achieved by controlling the mud pump.

[0044] (4) Control the movement of the bricklaying robot so that the O-shaped rubber ring of the robot pusher is in close contact with the corner of the upper part of the side of the brick to be laid away from the steel ladle wall, which is adjacent to the bricklaying robot. Start the push rod, push the robot pusher through the push rod, and push the brick to be laid to the brick laying position on the inner wall of the steel ladle. At the same time, start the vibration device on the bricklaying robot, adjust the brick to be laid to the precise position through vibration, and complete the bricklaying action.

[0045] (5) Retract the bricklaying robot in the reverse direction, move the bricklaying device to the next bricklaying position, and place the brick outlet in the rotating brick platform adjacent to the next bricklaying position, repeat steps (2) to (4) to perform bricklaying again, and complete the entire process of laying the inner wall lining material of the molten steel tank in sequence.

[0046] The present invention features simple installation, low manufacturing costs, and quick and easy manufacture and installation. All spare parts are standardized and readily available, resulting in low procurement costs and favorable market adoption. This significantly reduces labor intensity and improves the efficiency of ladle construction. This device is suitable for deployment at steel mill ladle production maintenance sites, particularly allowing for simultaneous operation at multiple sites and multiple ladle locations, significantly improving the level and capacity of ladle construction and production maintenance operations. It holds broad development prospects.

[0047] The above embodiment has the characteristics of simple structure and multi-point simultaneous operation. It has been promoted in steel plants and has achieved the following benefits: (1) Calculated based on the average saving of three laborers per molten steel tank: the cost saving of one molten steel tank is 500 yuan per shift per person. If one tank wall is completed in two shifts on average, a total of six shifts are saved, 6 * 500 yuan = 3,000 yuan per tank. Calculated based on an average of 120 tanks per year in a steel plant, the annual savings are approximately 3,000 * 120 = 360,000 yuan. Baowu Qingshan is calculated based on five steel plants: 360,000 * 5 = 1,300,000 yuan per year.

[0048] (2) Ensure online working time and save production labor costs of approximately RMB 500,000 per year.

[0049] Annual economic benefits: 1.3 million yuan + 500,000 yuan = 1.8 million yuan / year.

[0050] The above is merely one embodiment of the present invention, and its description is relatively specific and detailed. However, it should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art may make various modifications and improvements without departing from the spirit of the present invention, and such modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A mechanized refractory lining masonry device for a molten steel tank, characterized by: The bricklaying device comprises a support frame (1), a rotating brick platform (2) located in the middle of the support frame (1), and a bricklaying manipulator (3) located on the side of the support frame (1), wherein the rotating brick platform (2) is arranged in a concave shape, and a rotating motor (4) is provided at the bottom, and the rotating motor (4) is fixed on the support frame (1), and the rotating brick platform (2) is installed at the output end of the rotating motor (4), and a first brick feeding roller (5) and a second brick feeding roller (6) are horizontally arranged on both sides of the rotating brick platform (2), and the outlet ends of the first brick feeding roller (5) and the second brick feeding roller (6) are respectively opposite to the two convex parts of the rotating brick platform (2), and the brick bodies (8) to be laid on the rollers are transferred to the concave surface of the rotating brick platform (2) through the convex parts of the rotating brick platform (2); the bricklaying manipulator (3) is installed on the side of the support frame (1) away from the wall of the molten steel tank through the mounting bracket (7), and the force end of the bricklaying manipulator (3) is oriented toward the center of the rotating brick platform (2). When the brick body (8) to be laid is located on the concave surface of the rotating brick platform (2), the force end of the bricklaying manipulator (3) contacts one of the corners above the side of the brick body (8) away from the wall of the molten steel tank; the bricklaying manipulator (3) comprises a mechanical pusher (300) and a push rod (301); the mechanical pusher (300) is a hollow frame structure; the contact portion between the mechanical pusher (300) and the brick body (8) to be laid is provided with a flexible gripping portion (302) with the concave surface facing downwards, A vibrator (303) is provided on the mechanical pusher (300); the mounting bracket (7) comprises a lifting support rod (700) and a universal adjustment rod (701); the lifting support rod (700) is fixed on the support frame (1); the universal adjustment rod (701) is mounted on the top of the lifting support rod (700); the bricklaying manipulator (3) is mounted on the universal adjustment rod (701), and the bricklaying manipulator (3) is tilted downward horizontally by 10 to 15 degrees.

2. The mechanized refractory lining masonry device for a molten steel tank according to claim 1, characterized in that: The masonry device further comprises a control console (9) and an operating station (10), wherein the control console (9) is provided with a controller, an operating panel and a control handle, and the control console (9) is arranged on a side of the support frame (1) away from the wall of the molten steel tank, and the operating station (10) is located in the control console (9); the control ends of the rotating motor (4), the first brick feeding roller (5), the second brick feeding roller (6), the push rod (301) and the vibrator (303) are all connected to the controller in the control console (9) through signal lines, and the controller is connected to the operating panel and the control handle through signal lines.

3. A mechanized refractory lining masonry device for a molten steel tank according to claim 1 or 2, characterized in that: The push rod (301) is a hydraulic push rod or an electric push rod. The mechanical pusher (300) is connected to the piston end of the push rod (301) through a spring (304). A protective shell (305) is provided outside the spring (304). The protective shell (305) extends to the piston rod portion of the push rod (301). The flexible gripping portion (302) is an O-shaped rubber ring, and its contact surface with the brick body (8) to be laid faces downward and is concave.

4. The mechanized refractory lining masonry device for a molten steel tank according to claim 2, characterized in that: The masonry device further comprises a walking mechanism arranged at the bottom of the support frame (1), the walking mechanism comprising four walking wheels (12) and a walking drive device (11) arranged at the bottom of the support frame (1), the movement of the walking wheels (12) being controlled by the walking drive device (11); the walking drive device (11) being connected to the control console (9) via a signal line.

5. The mechanized refractory lining masonry device for a molten steel tank according to claim 2, characterized in that: The first brick feeding roller (5) and the second brick feeding roller (6) are symmetrically arranged on both sides of the rotating brick platform (2), and the brick feeding roller (5) on each side adopts a reverse-variable power roller, and the control end of the power roller is connected to the operating handle of the operating table (9).

6. The mechanized refractory lining masonry device for a molten steel tank according to claim 2, characterized in that: The rotating brick platform (2) rotates 360 degrees, and its rotating motor (4) adopts a rotation speed of 10 revolutions per minute. The rotating motor is connected in forward and reverse modes, and is controlled by a button connected to a control handle of the operating table (9).

7. The mechanized refractory lining masonry device for a molten steel tank according to claim 2, characterized in that: The travel of the push rod (301) is 350 to 450 mm, which is achieved by using an electric hydraulic rod that operates forward and reverse. The contact surface of the push rod (301) and the brick body (8) to be laid placed on the concave surface of the rotating brick platform (2) forms an angle of 45 degrees.

8. A mechanized refractory lining masonry method for a molten steel tank, characterized in that The mechanized refractory lining masonry device for a molten steel ladle according to any one of claims 1 to 7 is used for masonry, and the specific steps are as follows: (1) The masonry device is hoisted into the molten steel ladle by a lifting device and moved to the refractory lining masonry area, and the position of the masonry device is adjusted so that the brick outlet end of the concave surface of the rotating brick platform of the masonry device is adjacent to the brick masonry position; (2) Determine the type of refractory bricks to be laid, and transport the refractory bricks to the concave surface of the rotating brick table through the first brick feeding roller or the second brick feeding roller; (3) The bricks to be laid on the rotating brick platform are rotated to the angle of the brick laying position by a rotating motor, the brick laying position is subjected to soot blowing treatment by a soot blowing system, and mud is sprayed on the laying position by a grouting system; (4) Control the movement of the bricklaying robot so that the O-shaped rubber ring of the robot pusher is close to the corner of the upper part of the side of the brick to be laid away from the steel ladle wall, which is adjacent to the bricklaying robot. Start the push rod, push the robot pusher through the push rod, and push the brick to be laid to the brick laying position on the inner wall of the steel ladle. At the same time, start the vibration device on the bricklaying robot, adjust the brick to be laid to the precise position through vibration, and complete the bricklaying action; (5) Retract the bricklaying robot in the reverse direction, move the bricklaying device to the next bricklaying position, and place the brick outlet of the rotating brick platform adjacent to the next bricklaying position, repeat steps (2) to (4) to perform bricklaying again, and complete the entire process of laying the inner wall lining material of the molten steel tank in sequence.

Citation Information

Patent Citations

  • Mechanically-assisted molten steel tank masonry device

    CN219274463U