Automatic slag cleaning device for steelmaking furnace

Abstract

The utility model relates to an automatic slag cleaning device for a steelmaking furnace, which belongs to the field of steelmaking furnaces and comprises a steelmaking furnace body and a cleaning mechanism fixedly mounted outside the steelmaking furnace body. The cleaning mechanism comprises a slag scraping assembly fixedly installed outside the steel refining furnace body, a separation box fixedly installed on the right side of the steel refining furnace body and a separation conveying assembly fixedly installed on the top of the separation box. According to the automatic slag cleaning device for the steel-making furnace, by arranging the cleaning mechanism, the smashing function is added to the automatic slag cleaning device for the steel-making furnace, slag can be conveniently cleaned and smashed by the automatic slag cleaning device, the size of the slag is reduced, the slag can be conveniently collected and treated, and the problem that the automatic slag cleaning device for the steel-making furnace does not have the smashing function and is not convenient to clean is solved. The problems that in the slag cleaning process, large-block slag is inconvenient to crush, the size of the large-block slag is inconvenient to reduce, collection and treatment of the slag by a user are affected, and the practicability and functionality of the automatic slag removal device for the steel furnace are reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel-making furnaces, in particular to an automatic slag cleaning device for steel-making furnaces. Background Art

[0002] Steelmaking furnaces can generally be divided into three types: converters, open hearth furnaces and electric furnaces. Pig iron for steelmaking is put into a steelmaking furnace and smelted according to a certain process to obtain steel. Currently, slag is produced in the process of using a steelmaking furnace for steelmaking, and a cleaning device is needed to clean the slag.

[0003] Please refer to announcement number CN218994090U for an automatic slag removal device for a steel-making furnace. By providing components such as a motor, a rotating shaft, and a scraper, the motor can drive the scraper through the rotating shaft to automatically scrape the inner wall of the furnace body, so that the slag on the inner wall of the furnace body can be scraped off, and the slag in the furnace body can be easily cleaned, so that the slag on the furnace body can be removed more cleanly, which solves the problem of the existing slag removal device for steel-making furnaces cleaning the slag inside the furnace body when in use.

[0004] However, in this patent, the automatic slag removal device of the steelmaking furnace does not have a crushing function. During the slag cleaning process, it is not convenient to crush large pieces of slag and reduce the volume of large pieces of slag, which affects the user's collection and treatment of the slag and reduces the practicality and functionality of the automatic slag removal device of the steel furnace. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an automatic slag cleaning device for a steelmaking furnace, which has the advantages of scraping, separating and crushing slag, and solves the problem that the automatic slag removing device for a steelmaking furnace does not have a crushing function, and in the process of cleaning the slag, it is inconvenient to crush large pieces of slag and reduce the volume of large pieces of slag, which affects the user's collection and treatment of the slag and reduces the practicality and functionality of the automatic slag removing device for the steel furnace.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic slag cleaning device for a steelmaking furnace, comprising a steelmaking furnace body and a cleaning mechanism fixedly installed outside the steelmaking furnace body;

[0007] The cleaning mechanism includes a slag scraping assembly fixedly installed on the outside of the steelmaking furnace body, a separation box fixedly installed on the right side of the steelmaking furnace body, a separation and conveying assembly fixedly installed on the top of the separation box, a slag discharge pipe and a crushing box fixedly installed on the right side of the separation box, a crushing assembly fixedly installed on the outside of the crushing box, a slag discharge slide fixedly installed on the right side of the crushing box, and a liquid outlet pipe fixedly installed on the right side of the separation box.

[0008] By adopting the above technical scheme, the problem that the automatic slag removing device of the steelmaking furnace does not have the crushing function is solved, and it is inconvenient to crush large pieces of slag during the slag cleaning process, and it is inconvenient to reduce the volume of large pieces of slag, which affects the user's collection and treatment of the slag and reduces the practicality and functionality of the automatic slag removing device of the steel furnace.

[0009] Optionally, the slag scraping assembly includes a driving motor fixedly mounted on the top of the steelmaking furnace body, a rotating shaft fixedly mounted on the output end of the driving motor, and scrapers fixedly mounted on the left and right sides of the rotating shaft.

[0010] By adopting the above technical solution, the inner wall of the steelmaking furnace body is scraped and cleaned, thereby reducing the adsorption of slag on the inner wall of the steelmaking furnace body.

[0011] Optionally, a control valve is fixedly connected to the right side of the steelmaking furnace body, and the control valve is connected to the separation box.

[0012] By adopting the above technical solution, it is convenient to discharge the molten iron and slag inside the steelmaking furnace body, and it is convenient for further processing of the molten iron and slag.

[0013] Optionally, the separation and conveying assembly includes a variable speed motor fixedly mounted on the top of the separation box, and a conveying paddle fixedly mounted on the output end of the variable speed motor.

[0014] By adopting the above technical solution, molten iron and slag are separated, making it easier to transport the slag.

[0015] Optionally, the pulverizing assembly includes a driving device fixedly mounted on the front side of the pulverizing box and a pulverizing roller fixedly mounted on the output end of the driving device.

[0016] By adopting the above technical solution, the slag is crushed by two crushing rollers, the volume of the slag is reduced, and the collection of the slag is facilitated.

[0017] Optionally, a slag outlet is provided on the right side of the separation box, and the slag discharge pipe is connected to the separation box through the slag outlet.

[0018] By adopting the above technical solution, it is convenient to discharge the separated slag and to crush the slag.

[0019] Optionally, a slag discharge port is opened on the right side of the crushing box, and the slag discharge slide plate corresponds to the position of the slag discharge port.

[0020] By adopting the above technical solution, it is convenient to discharge the crushed slag, and it is convenient to collect and further process the slag.

[0021] Optionally, a liquid outlet is provided on the right side of the separation box, and the liquid outlet pipe is connected to the separation box through the liquid outlet.

[0022] By adopting the above technical solution, the discharge of molten iron is facilitated, and the user is convenient for further handling and processing of the molten iron.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] The automatic slag cleaning device for the steelmaking furnace adds a crushing function to the automatic slag cleaning device for the steelmaking furnace by arranging a cleaning mechanism, which facilitates the cleaning and crushing of slag by the automatic slag cleaning device, reduces the volume of slag, and facilitates the collection and treatment of slag. It solves the problem that the automatic slag removing device for the steelmaking furnace does not have a crushing function, and in the process of cleaning the slag, it is inconvenient to crush large pieces of slag and reduce the volume of large pieces of slag, which affects the user's collection and treatment of slag and reduces the practicality and functionality of the automatic slag removing device for the steel furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0026] Figure 2 It is a three-dimensional diagram of the partial structure of the crushing box of the utility model.

[0027] In the figure: 1. steelmaking furnace body; 2. slag scraping assembly; 201. driving motor; 202. rotating shaft; 203. scraper; 3. separation box; 301. liquid outlet; 302. slag outlet; 4. control valve; 5. variable speed motor; 6. conveying paddle; 7. slag discharge pipe; 8. crushing box; 9. driving device; 10. crushing roller; 11. slag discharge slide plate; 12. liquid outlet; 13. slag discharge port. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0029] See also Figure 1-2 The automatic slag cleaning device for a steelmaking furnace in this embodiment includes a steelmaking furnace body 1 and a cleaning mechanism fixedly installed on the outside of the steelmaking furnace body 1.

[0030] See also Figure 1In this embodiment, the cleaning mechanism includes a scraper assembly 2 fixedly mounted on the outside of the steelmaking furnace body 1, and the scraper assembly 2 includes a drive motor 201 fixedly mounted on the top of the steelmaking furnace body 1, a rotating shaft 202 fixedly mounted on the output end of the drive motor 201, and scrapers 203 fixedly mounted on the left and right sides of the rotating shaft 202. The rotating shaft 202 is located inside the steelmaking furnace body 1, the rotating shaft 202 is rotatably connected to the steelmaking furnace body 1, and the scraper 203 is in contact with the inner wall of the steelmaking furnace body 1. When the drive motor 201 is energized, the rotating shaft 202 and the scraper 203 are driven to rotate, and the scraper 203 rotates to clean the slag adsorbed on the inner wall of the steelmaking furnace body 1.

[0031] See also Figure 1 , wherein the cleaning mechanism further comprises a separation box 3 fixedly mounted on the right side of the steelmaking furnace body 1, and a control valve 4 is fixedly connected to the right side of the steelmaking furnace body 1, and the control valve 4 is connected to the separation box 3. The control valve 4 is connected to the steelmaking furnace body 1, and the inner bottom wall of the steelmaking furnace body 1 is an inclined surface. When the control valve 4 is opened, the molten iron and slag inside the steelmaking furnace body 1 flow into the interior of the separation box 3 through the control valve 4. A separation conveying assembly fixedly mounted on the top of the separation box 3, the separation conveying assembly comprises a variable speed motor 5 fixedly mounted on the top of the separation box 3, and a conveying paddle 6 fixedly mounted on the output end of the variable speed motor 5. The conveying paddle 6 is rotatably connected to the separation box 3, and the conveying paddle 6 is located inside the separation box 3. When the variable speed motor 5 is energized, the conveying paddle 6 is driven to rotate, and the molten iron and slag entering the separation box 3 are conveyed upward. During the conveying process, the molten iron flows back to the bottom space of the separation box 3 along the conveying paddle 6, and the molten iron is separated from the slag.

[0032] See also Figure 1-2 In addition, the cleaning mechanism also includes a slag discharge pipe 7 and a crushing box 8 fixedly mounted on the right side of the separation box 3. A slag outlet 302 is provided on the right side of the separation box 3, and the slag discharge pipe 7 is connected to the separation box 3 through the slag outlet 302. The slag discharge pipe 7 is located at the top of the crushing box 8, and the conveying paddle 6 lifts and transports the separated slag so that the slag is discharged through the slag discharge pipe 7. The discharged slag falls into the crushing box 8 under the influence of gravity. A crushing assembly is fixedly mounted on the outside of the crushing box 8, and the crushing assembly includes a driving device 9 fixedly mounted on the front of the crushing box 8 and a crushing roller 10 fixedly mounted on the output end of the driving device 9. The driving device 9 includes a motor and a plurality of transmission gears, and the transmission and driving force reversing are performed by using the plurality of transmission gears. The crushing roller 10 is rotatably connected to the crushing box 8, and the driving device 9 drives the two crushing rollers 10 to rotate relative to each other to crush the slag entering the crushing box 8.

[0033] See also Figure 1-2Specifically, the cleaning mechanism also includes a slag discharge slide 11 fixedly mounted on the right side of the crushing box 8, a slag discharge port 13 is provided on the right side of the crushing box 8, and the slag discharge slide 11 corresponds to the position of the slag discharge port 13. The inner bottom wall of the crushing box 8 is an inclined surface, and the slag after being crushed by the crushing box 8 is affected by gravity and discharged through the slag discharge port 13 and the slag discharge slide 11, which is convenient for users to collect or process the slag. A liquid outlet pipe 12 is fixedly mounted on the right side of the separation box 3, a liquid outlet 301 is provided on the right side of the separation box 3, and the liquid outlet pipe 12 is connected to the separation box 3 through the liquid outlet 301. A solenoid valve is provided on the liquid outlet pipe 12, and when the solenoid valve is opened, the molten iron in the bottom space of the separation box 3 is discharged through the liquid outlet pipe 12, which is convenient for users to further process the molten iron.

[0034] It should be noted that by setting up a cleaning mechanism, a crushing function is added to the automatic cleaning device of the steelmaking furnace slag, which facilitates the cleaning and crushing of the slag by the automatic slag cleaning device, reduces the volume of the slag, and facilitates the collection and treatment of the slag. This solves the problem that the automatic slag removing device of the steelmaking furnace does not have a crushing function, and in the process of cleaning the slag, it is inconvenient to crush large pieces of slag and reduce the volume of large pieces of slag, which affects the user's collection and treatment of the slag and reduces the practicality and functionality of the automatic slag removing device of the steel furnace.

[0035] The working principle of the above embodiment is:

[0036] The automatic slag cleaning device for a steelmaking furnace is characterized in that during the use of the steelmaking furnace, the slag scraping assembly 2 is energized to clean the slag adsorbed on the inner wall of the steelmaking furnace body 1. At the same time, the control valve 4 is opened, and the molten iron and slag in the steelmaking furnace body 1 flow into the interior of the separation box 3 through the control valve 4. The variable speed motor 5 is energized to drive the conveying paddle 6 to rotate, and the molten iron and slag entering the separation box 3 are conveyed upward. During the conveying process, the molten iron flows back to the bottom space of the separation box 3 along the conveying paddle 6, and the molten iron is separated from the slag. The conveying paddle 6 lifts and conveys the separated slag, so that the slag is discharged through the slag discharge pipe 7. The discharged slag falls into the interior of the crushing box 8 under the influence of gravity, and the driving device 9 drives the two crushing rollers 10 to rotate relatively to crush the slag entering the crushing box 8, thereby achieving the purpose of adding a crushing function to the automatic slag cleaning device for the steelmaking furnace, facilitating the reduction of the volume of slag, and facilitating the collection and treatment of the slag.

Claims

1. An automatic slag cleaning device for a steelmaking furnace, characterized in that: It comprises a steelmaking furnace body (1) and a cleaning mechanism fixedly installed on the outside of the steelmaking furnace body (1); The cleaning mechanism comprises a slag scraping assembly (2) fixedly mounted on the outside of the steelmaking furnace body (1), a separation box (3) fixedly mounted on the right side of the steelmaking furnace body (1), a separation conveying assembly fixedly mounted on the top of the separation box (3), a slag discharge pipe (7) and a crushing box (8) fixedly mounted on the right side of the separation box (3), a crushing assembly fixedly mounted on the outside of the crushing box (8), a slag discharge slide plate (11) fixedly mounted on the right side of the crushing box (8), and a liquid outlet pipe (12) fixedly mounted on the right side of the separation box (3).

2. The automatic slag cleaning device for a steelmaking furnace according to claim 1, characterized in that: The slag scraping assembly (2) comprises a driving motor (201) fixedly mounted on the top of the steelmaking furnace body (1), a rotating shaft (202) fixedly mounted on the output end of the driving motor (201), and scrapers (203) fixedly mounted on the left and right sides of the rotating shaft (202).

3. The automatic slag cleaning device for a steelmaking furnace according to claim 1, characterized in that: A control valve (4) is fixedly connected to the right side of the steelmaking furnace body (1), and the control valve (4) is in communication with the separation box (3).

4. The automatic slag cleaning device for a steelmaking furnace according to claim 1, characterized in that: The separation and conveying assembly comprises a variable speed motor (5) fixedly mounted on the top of the separation box (3), and a conveying paddle (6) fixedly mounted on the output end of the variable speed motor (5).

5. The automatic slag cleaning device for a steelmaking furnace according to claim 1, characterized in that: The pulverizing assembly comprises a driving device (9) fixedly mounted on the front side of the pulverizing box (8), and a pulverizing roller (10) fixedly mounted on the output end of the driving device (9).

6. The automatic slag cleaning device for a steelmaking furnace according to claim 1, characterized in that: A slag outlet (302) is provided on the right side of the separation box (3), and the slag discharge pipe (7) is connected to the separation box (3) through the slag outlet (302).

7. The automatic slag cleaning device for a steelmaking furnace according to claim 1, characterized in that: A slag discharge opening (13) is provided on the right side of the crushing box (8), and the slag discharge slide plate (11) corresponds to the position of the slag discharge opening (13).

8. The automatic slag cleaning device for a steelmaking furnace according to claim 1, characterized in that: A liquid outlet (301) is provided on the right side of the separation box (3), and the liquid outlet pipe (12) is connected to the separation box (3) through the liquid outlet (301).

Images