Efficient slag stopping device for rotary hearth furnace

Abstract

The efficient slag stopping device comprises a mounting base, an adjusting device is jointly mounted on the left portion and the right portion of the upper end of the mounting base, a supporting frame body is mounted at the upper end of the adjusting device, and a material receiving device is mounted on the right portion of the upper end of the supporting frame body. A conveying device is installed between the front inner wall and the rear inner wall of the supporting frame body, and a driving motor is installed at the rear end of the conveying device. Slag waste is collected and stored through the material receiving box, manual transferring is avoided, time and labor are saved, waste attached to the surface of the conveying belt can be swept down through the cleaning brush bristles on the mounting plate while the conveying belt rotates, waste residues on the conveying belt are reduced, and the conveying efficiency is improved. The hydraulic cylinder drives the piston rod on the hydraulic cylinder to conduct up-down telescopic adjustment, so that the conveying belt on the upper portion is driven to conduct height adjustment according to needs, and material receiving can be better conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary hearth furnaces, in particular to a high-efficiency slag blocking device for rotary hearth furnaces. Background Art

[0002] The rotary hearth furnace process is a coal-based rapid direct reduction technology. Iron-containing raw materials, reducing coal and other materials are mixed into a carbon-containing mixture in a certain proportion. The wet balls made by the ball maker are screened and distributed. The qualified wet balls are sorted and dried in a chain grate, and then enter the rotary hearth furnace for rapid reduction.

[0003] After the high-temperature product of the rotary hearth furnace is reduced, it enters the water quenching pool and is quickly cooled by a water bath in the water quenching pool to ensure that it will not be oxidized again. Then, the intermediate product in the water quenching pool is sent to the next process for grinding through a slag remover. While the rotary hearth furnace is continuously producing, a large amount of slag falls from the flange bricks of the inner and outer rings into the water seal grooves of the inner and outer rings. During the continuous rotation of the rotary hearth furnace, the slag in the water seal grooves is also scraped out by the slag discharge mechanism. However, these residues are not well collected and are directly discharged to the ground through the discharge funnel. Manual transportation is not only time-consuming and labor-intensive, but also affects efficiency. In summary, the existing rotary hearth furnaces still have the following problems:

[0004] When the rotary hearth furnace rotates, the slag in its water seal tank is also scraped out by the slag discharge mechanism, but these residues are not well collected and manually transported, which is not only time-consuming and labor-intensive, but also affects efficiency. Utility Model Content

[0005] The main purpose of the utility model is to provide a high-efficiency slag blocking device for a rotary hearth furnace, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A high-efficiency slag blocking device for a rotary hearth furnace comprises a mounting base, an adjusting device is commonly installed at the upper left and upper right portions of the mounting base, a supporting frame is installed at the upper end of the adjusting device, a material receiving device is installed at the upper right portion of the supporting frame, a conveying device is commonly installed between the front inner wall and the rear inner wall of the supporting frame, and a driving motor is installed at the rear end of the conveying device.

[0008] Preferably, the material receiving device comprises a material receiving box and a mounting plate, a handle is installed at the middle of the right end of the material receiving box, a group of mounting screws are installed at the left front end and the left rear end of the material receiving box, a group of screw holes are opened at the front end and the rear end of the mounting plate, a cleaning brush is installed at the upper end of the mounting plate, the mounting plate is installed in the material receiving box by the mounting screws, and the material receiving box is installed at the upper right part of the support frame. The slag waste is transferred to the material receiving box by the conveyor belt, and the slag waste is collected and stored by the material receiving box, avoiding the need for manual transportation, which not only saves time and labor, but also improves the collection efficiency of the slag waste. At the same time, when the conveyor belt is rotating, the cleaning brush on the mounting plate can also clean the waste attached to the surface of the conveyor belt, thereby reducing the waste residue on the conveyor belt.

[0009] Preferably, the conveying device comprises a first shaft roller and a second shaft roller, and a conveyor belt is installed on the outer surface of the first shaft roller and the second shaft roller, and the first shaft roller and the second shaft roller are installed between the front inner wall and the rear inner wall of the support frame. The scraped waste falls onto the conveyor belt on the conveying device, and then the first shaft roller is driven to rotate by the driving motor, thereby driving the conveyor belt, so as to transport the falling slag waste.

[0010] Preferably, the adjustment device includes a hydraulic cylinder, and there are four hydraulic cylinders, and piston rods are fixedly installed at the output ends of the four hydraulic cylinders. Two fixed grooves are provided at the upper left and upper right parts of the mounting base, and the four hydraulic cylinders are respectively installed in the four fixed grooves. The hydraulic cylinder drives the piston rod on it to adjust the upward and downward telescopic adjustment, thereby driving the upper conveyor belt to adjust the height as needed, so that it can better receive materials, thereby improving the practicality of the device.

[0011] Preferably, the lower end surface of the conveyor belt is in contact with the cleaning bristles.

[0012] Preferably, the four hydraulic cylinders are symmetrically distributed in pairs.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. When the rotary hearth furnace is in the process of continuous rotation, the slag in the water seal groove is also scraped out by the slag discharge mechanism. At this time, the scraped waste falls onto the conveyor belt on the conveying device, and then the No. 1 shaft roller is driven by the driving motor to rotate, thereby driving the conveyor belt to transport the falling slag waste. At this time, the slag waste is transferred by the conveyor belt to the receiving box on the receiving device, and the slag waste is collected and stored by the receiving box, avoiding the need for manual transportation. This not only saves time and effort, but also improves the collection efficiency of slag waste. At the same time, while the conveyor belt is rotating, the cleaning brush on the mounting plate can also clean up the waste attached to the surface of the conveyor belt, thereby reducing the waste residue on the conveyor belt and improving its cleanliness.

[0015] 2. The hydraulic cylinder on the adjusting device drives the piston rod on it to adjust the telescopic movement up and down, thereby driving the upper conveyor belt to adjust the height as needed, so that it can better receive the materials, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a high-efficiency slag blocking device for a rotary hearth furnace according to the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of a material receiving device of a high-efficiency slag blocking device for a rotary hearth furnace according to the utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of a conveying device for a high-efficiency slag blocking device of a rotary hearth furnace according to the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the overall structure of an adjusting device of a high-efficiency slag blocking device for a rotary hearth furnace.

[0020] In the figure: 1. Installation base; 2. Material receiving device; 3. Conveying device; 4. Adjustment device; 5. Support frame; 6. Driving motor; 20. Material receiving box; 21. Mounting plate; 22. Mounting screws; 23. Handle; 24. Screw hole; 25. Cleaning brush; 30. No. 1 shaft roller; 31. No. 2 shaft roller; 32. Conveyor belt; 40. Hydraulic cylinder; 41. Piston rod; 42. Fixing groove. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 an indirect connection 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.

[0024] like Figure 1-4 As shown, a high-efficiency slag blocking device for a rotary hearth furnace comprises a mounting base 1, an adjusting device 4 is installed on the upper left and upper right parts of the mounting base 1, a supporting frame 5 is installed on the upper end of the adjusting device 4, a material receiving device 2 is installed on the upper right part of the supporting frame 5, a conveying device 3 is installed between the front inner wall and the rear inner wall of the supporting frame 5, and a driving motor 6 is installed at the rear end of the conveying device 3.

[0025] The receiving device 2 includes a receiving box 20 and a mounting plate 21. A handle 23 is installed at the middle of the right end of the receiving box 20. A group of mounting screws 22 are installed at the left front end and the left rear end of the receiving box 20. A group of screw holes 24 are opened at the front end and the rear end of the mounting plate 21. A cleaning brush 25 is installed at the upper end of the mounting plate 21. The mounting plate 21 is installed in the receiving box 20 through the mounting screws 22. The receiving box 20 is installed at the upper right end of the support frame 5. The slag waste is transferred to the receiving box 20 by the conveyor belt 32. The slag waste is collected and stored by the receiving box 20, avoiding the need for manual transportation. It not only saves time and labor, but also improves the collection efficiency of the slag waste. At the same time, when the conveyor belt 32 rotates, the cleaning brush 25 on the mounting plate 21 can also clean the waste attached to the surface of the conveyor belt 32, thereby reducing the waste residue on the conveyor belt 32.

[0026] The conveying device 3 includes a first roller 30 and a second roller 31, and a conveyor belt 32 is installed on the outer surface of the first roller 30 and the second roller 31. The first roller 30 and the second roller 31 are installed between the front inner wall and the rear inner wall of the support frame 5; the lower end surface of the conveyor belt 32 contacts the cleaning brush 25. The scraped waste falls onto the conveyor belt 32 on the conveying device 3, and then the first roller 30 is driven to rotate by the driving motor 6, thereby driving the conveyor belt 32, so as to transport the falling slag waste.

[0027] The adjusting device 4 includes a hydraulic cylinder 40, and there are four hydraulic cylinders 40. The output ends of the four hydraulic cylinders 40 are fixedly installed with piston rods 41. The upper left and upper right parts of the mounting base 1 are provided with two fixed grooves 42, and the four hydraulic cylinders 40 are respectively installed in the four fixed grooves 42; the positions of the four hydraulic cylinders 40 are symmetrically distributed in pairs. The hydraulic cylinders 40 drive the piston rods 41 thereon to adjust the upward and downward telescopic movement, thereby driving the upper conveyor belt 32 to adjust the height as needed, so that it can better receive the materials, thereby improving the practicality of the device.

[0028] It should be noted that the utility model is a highly efficient slag blocking device for a rotary hearth furnace. First, the hydraulic cylinder 40 on the adjusting device 4 drives the piston rod 41 thereon to be telescopically adjusted up and down, thereby driving the upper conveyor belt 32 to be able to adjust the height according to needs, so that it can better receive materials, thereby improving the practicality of the device. Then, when the rotary hearth furnace is constantly rotating, the slag in the water seal tank is also scraped out by the slag discharge mechanism. At this time, the scraped waste falls onto the conveyor belt 32 on the conveying device 3, and then the drive motor 6 drives the No. 1 shaft roller 30 to move forward. The slag waste is then transferred to the receiving box 20 on the receiving device 2 by the conveyor belt 32, and the slag waste is collected and stored by the receiving box 20, thereby avoiding the need for manual transportation. This not only saves time and effort, but also improves the collection efficiency of the slag waste. At the same time, while the conveyor belt 32 is rotating, the cleaning brush 25 on the mounting plate 21 can also clean the waste attached to the surface of the conveyor belt 32, thereby reducing the waste residue on the conveyor belt 32 and improving its cleanliness.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An efficient slag blocking device for a rotary hearth furnace, comprising a mounting base (1), characterized in that: An adjusting device (4) is installed on the left and right upper ends of the mounting base (1); a supporting frame (5) is installed on the upper end of the adjusting device (4); a material receiving device (2) is installed on the right upper end of the supporting frame (5); a conveying device (3) is installed between the front inner wall and the rear inner wall of the supporting frame (5); and a driving motor (6) is installed at the rear end of the conveying device (3).

2. The high-efficiency slag blocking device for a rotary hearth furnace according to claim 1, characterized in that: The material receiving device (2) comprises a material receiving box (20) and a mounting plate (21); a handle (23) is installed at the middle of the right end of the material receiving box (20); a group of mounting screws (22) are installed at the left front end and the left rear end of the material receiving box (20); a group of screw holes (24) are opened at the front end and the rear end of the mounting plate (21); a cleaning brush (25) is installed at the upper end of the mounting plate (21); the mounting plate (21) is installed in the material receiving box (20) by means of the mounting screws (22); and the material receiving box (20) is installed at the upper right end of the support frame (5).

3. The high-efficiency slag blocking device for a rotary hearth furnace according to claim 2, characterized in that: The conveying device (3) comprises a first shaft roller (30) and a second shaft roller (31), and a conveying belt (32) is installed on the outer surface of the first shaft roller (30) and the second shaft roller (31), and the first shaft roller (30) and the second shaft roller (31) are installed between the front inner wall and the rear inner wall of the support frame (5).

4. The high-efficiency slag blocking device for a rotary hearth furnace according to claim 1, characterized in that: The adjusting device (4) comprises a hydraulic cylinder (40), wherein four hydraulic cylinders (40) are provided, and piston rods (41) are fixedly mounted on the output ends of the four hydraulic cylinders (40). Two fixing grooves (42) are respectively formed at the upper left part and the upper right part of the mounting base (1), and the four hydraulic cylinders (40) are respectively mounted in the four fixing grooves (42).

5. The high-efficiency slag blocking device for a rotary hearth furnace according to claim 3, characterized in that: The lower end surface of the conveyor belt (32) is in contact with the cleaning brush bristles (25).

6. The high-efficiency slag blocking device for a rotary hearth furnace according to claim 4, characterized in that: The four hydraulic cylinders (40) are symmetrically distributed in pairs.

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