A prefabricated fire baffle for an aluminum melting furnace

Abstract

The utility model discloses a prefabricated fire baffle plate for a burner of an aluminum melting furnace, wherein a support member is detachably installed in the burner of the upper end face of the aluminum melting furnace, the support member comprises a support ring which is horizontally arranged correspondingly on the upper part of the burner and has an inner diameter smaller than the diameter of the burner, a lower surface of the support ring is provided with a lower annular protection plate which probes into the burner and is used for isolating and protecting the inner wall of the burner, an annular fire baffle plate is detachably installed on the upper part of the support ring, a feeding port for feeding aluminum materials is provided on the side wall of the annular fire baffle plate, a support rod which is located at the lower part of the feeding port and extends outward is provided on the side wall of the annular fire baffle plate, and a support plate which can slide toward the feeding port is provided on the upper part of the support rod; the utility model can not only safely and effectively protect the upper part of the burner of the aluminum melting furnace and effectively prevent high-temperature gas or flames from accidentally scattering and burning staff, but also can isolate and protect the refractory bricks on the inner wall of the burner of the aluminum melting furnace and effectively reduce the thermal stress change and impact wear of the refractory bricks at the burner.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum melting equipment, in particular to a prefabricated fire baffle plate of an aluminum melting furnace burner. Background Art

[0002] Aluminum melting furnace is a new type of high-efficiency and energy-saving furnace developed according to aluminum smelting process. It can well meet the requirements of strict alloy composition, discontinuous production, large single furnace capacity, etc. in aluminum smelting process. It is suitable for intermittent operation, smelting with a lot of alloys and return materials. In the use of existing aluminum melting furnaces, especially during the feeding operation, the staff is close to the fire mouth, and the impact of aluminum materials and aluminum materials in the furnace when feeding aluminum materials makes it easier to cause flames and high-temperature gases to emerge, which makes the staff more susceptible to the burning of high-temperature gases or flames;

[0003] In order to provide effective safety protection for the staff, the prior art discloses a fire damper prefabricated part for the burner mouth of an aluminum melting furnace with announcement number CN214792516U. Although this scheme can realize efficient shielding and protection for the burner mouth of the aluminum melting furnace to prevent the staff from being accidentally burned by high-temperature gas or flames, the staff still need to shovel the aluminum material with a shovel for delivery when the aluminum material is put in. This feeding method not only requires the staff to lift the shovel to move, which brings a great burden to the staff, but also easily causes excessive impact force when pouring the aluminum material, thereby causing flames and aluminum liquid to splash out of the furnace, posing certain safety hazards. In addition, during installation, an additional annular slot needs to be opened on the outside of the burner mouth of the aluminum melting furnace for installation, which destroys the normal structure of the aluminum melting furnace. Therefore, there is an urgent need for an aluminum melting furnace fire damper prefabricated part which is easy to install and convenient for the staff to carry out feeding operations. Utility Model Content

[0004] In order to overcome the shortcomings of the background technology, the utility model discloses a prefabricated fire baffle plate for the burner of an aluminum melting furnace. The utility model can not only safely and effectively enclose and protect the upper part of the burner of the aluminum melting furnace, effectively preventing high-temperature gas or flames from accidentally spreading and burning staff, but also can block and protect the refractory bricks on the inner wall of the burner of the aluminum melting furnace, effectively reducing the thermal stress changes and impact wear of the refractory bricks at the burner.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A prefabricated fire baffle for an aluminum melting furnace nozzle comprises an aluminum melting furnace, wherein a support member is detachably installed in the nozzle of the upper end face of the aluminum melting furnace, the support member comprises a support ring which is horizontally arranged at the upper part of the nozzle and has an inner diameter smaller than the diameter of the nozzle, a lower annular protective plate which extends into the nozzle and is used for isolating and protecting the inner wall of the nozzle is provided on the lower surface of the support ring, an annular fire baffle which is coaxially arranged with the support ring and has an inner diameter matching the inner diameter of the support ring is detachably installed on the upper part of the support ring, a feeding port for feeding aluminum material is provided on the side wall of the annular fire baffle, a support rod which is located at the lower part of the feeding port and extends outward is provided on the side wall of the annular fire baffle, a support plate which can slide toward the feeding port and is used for supporting an aluminum material bucket is provided on the upper part of the support rod.

[0007] Furthermore, the inner diameter of the lower annular protection plate is matched with the inner diameter of the support ring, and the outer diameter of the lower annular protection plate is matched with the inner diameter of the fire port of the aluminum melting furnace.

[0008] Furthermore, an upper surface of the support ring is provided with an upper limit ring which is coaxially arranged with the support ring and is used to limit and block the annular fire baffle.

[0009] Furthermore, the lower annular protection plate, the support ring and the upper limit ring are all made of alkaline refractory materials or carbonaceous refractory materials.

[0010] Furthermore, the outer diameter of the upper limit ring is matched with the inner diameter of the annular fire baffle, and the inner diameter of the upper limit ring is matched with the inner diameter of the support ring.

[0011] Furthermore, the upper edge of the upper limit ring is not higher than the lower edge of the feeding port.

[0012] Furthermore, a groove is provided on the lower surface of the support plate and is arranged along the axial direction of the support rod, and both ends of the groove are open structures. The support plate is horizontally clamped on the upper part of the support rod through the groove and slides with the support rod.

[0013] Furthermore, a convex ridge is provided on one side of the upper surface of the support plate close to the feeding port.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the lower annular protective plate is used to block and protect the inner wall of the aluminum melting furnace burner, which can not only effectively reduce the heat of the aluminum melting furnace burner, avoid the temperature difference of the aluminum melting furnace burner refractory bricks during the hot and cold cycle, thereby effectively reducing the thermal stress change of the burner refractory bricks, but also can block the aluminum material during the process of adding the aluminum material, avoiding the impact and wear of the aluminum material on the burner refractory bricks;

[0015] By setting up an annular fire baffle, the flames and high-temperature gases emitted from the burner of the aluminum melting furnace during the aluminum melting process can be limited and blocked to prevent the flames or high-temperature gases from accidentally scattering and causing harm to the workers;

[0016] The annular fire baffle is installed by blocking the upper limit ring, so that the annular fire baffle can be rotated and adjusted under the premise of ensuring stable installation. Therefore, in the subsequent use process, the direction of the feeding port can be adjusted by rotating the annular fire baffle, avoiding the impact and wear of the lower annular protective plate by the aluminum material for a long time;

[0017] By setting a slidable support plate and convex ridges, during the process of feeding aluminum materials, the staff can place the shovel containing the aluminum materials on the support plate for pushing. When it reaches the feeding port, the convex ridges can be used to limit the resistance of the front end of the shovel, so that the shovel can be easily and conveniently lifted to complete the aluminum material feeding operation, which not only greatly reduces the physical consumption of the staff, but also effectively reduces the impact of the aluminum materials on the furnace during feeding, and reduces the occurrence of flame scattering or aluminum liquid splashing;

[0018] The removable annular protective plate and supporting parts facilitate the later maintenance, disassembly and replacement, saving costs.

[0019] The utility model can not only provide safe and effective enclosure protection for the upper part of the aluminum melting furnace fire mouth, effectively preventing high temperature gas or flame from accidentally spreading and burning the staff, but also can provide isolation and protection for the refractory bricks on the inner wall of the aluminum melting furnace fire mouth, effectively reducing the thermal stress change and impact wear of the refractory bricks at the fire mouth; the utility model has a simple structure and is easy to install and disassemble, which not only provides convenience and safety guarantee for the feeding operation of the aluminum melting furnace, but also effectively reduces the loss of refractory bricks at the fire mouth. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the annular fire baffle of the utility model;

[0022] Figure 3 This is a schematic diagram of the support structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the support plate structure of the utility model.

[0024] In the figure: 1. annular fire baffle; 2. feeding port; 3. support member; 4. support plate; 5. aluminum melting furnace; 6. support rod; 7. upper limit ring; 8. support ring; 9. lower annular protective plate; 10. convex ridge; 11. groove. DETAILED DESCRIPTION

[0025] The technical solution of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. In the description, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present invention and are for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific direction.

[0026] Please refer to the instruction manual Figure 1-4 , the utility model provides a technical solution:

[0027] Embodiment 1, a prefabricated member of a fire baffle plate for a burner of an aluminum melting furnace, comprising an aluminum melting furnace 5, wherein a support member 3 is detachably installed in the burner of the upper end surface of the aluminum melting furnace 5, and specifically, the support member 3 comprises a support ring 8 which is horizontally arranged at the upper part of the burner and has an inner diameter smaller than the burner diameter, and a lower surface of the support ring 8 is provided with a lower annular protection plate 9 which penetrates into the burner and is used to block and protect the inner wall of the burner, the inner diameter of the lower annular protection plate 9 is matched with the inner diameter of the support ring 8, the outer diameter of the lower annular protection plate 9 is matched with the inner diameter of the burner of the aluminum melting furnace 5, and the lower annular protection plate 9 can effectively interfere with the inner wall of the burner;

[0028] An annular fire baffle 1 is detachably installed on the upper part of the support ring 8, which is coaxially arranged with the support ring 8 and whose inner diameter is matched with the inner diameter of the support ring 8. Specifically, an upper limit ring 7 is provided on the upper surface of the support ring 8, which is coaxially arranged with the support ring 8. The inner diameter of the upper limit ring 7 is matched with the inner diameter of the support ring 8, and the outer diameter of the upper limit ring 7 is matched with the inner diameter of the annular fire baffle 1. The inner wall of the annular fire baffle 1 is in conflict with the upper limit ring 7. A feeding port 2 for feeding aluminum material is provided on the side wall of the annular fire baffle 1. By using this installation method, not only the annular fire baffle 1 is stably installed, but also the subsequent rotation of the annular fire baffle 1 is facilitated, thereby preventing the aluminum material from always impacting and wearing the fixed position of the lower annular protective plate 9 during the subsequent feeding process.

[0029] In the second embodiment, when the aluminum material is put into the feeding port 2, the existing feeding method is mostly that the staff scoops up the aluminum material with a shovel, and then puts the aluminum material into the aluminum melting furnace. In order to ensure that the aluminum material can be accurately put into the fire mouth, the staff often operates relatively slowly when feeding, which requires the staff to lift the shovel and the aluminum material for a long time. In order to reduce the burden on the staff and realize fast and accurate feeding operation, the upper edge of the upper limit ring 7 is not higher than the lower edge of the feeding port 2. The side wall of the annular fire baffle 1 is also provided with a support rod 6 located at the lower part of the feeding port 2 and extending outward. The upper part of the support rod 6 is provided with a support plate 4 that can slide toward the feeding port 2 and is used to support the aluminum material bucket. Specifically, the lower surface of the support plate 4 is provided with a groove 11 arranged along the axial direction of the support rod 6 and has an open structure at both ends. The support plate 4 is horizontally clamped on the upper part of the support rod 6 through the groove 11 and slidably cooperates with the support rod 6. In order to ensure the horizontal stability of the support plate 4, the number of support rods 6 can be set to multiple, and a convex ridge 10 is provided on the side of the upper surface of the support plate 4 close to the feeding port 2;

[0030] During the feeding operation, the staff places the shovel with aluminum material on the support plate 4, the front end of the shovel contacts the convex ridge 10, and force is applied to push the shovel, so that the support plate 4 drives the shovel to slide toward the feeding port 2. When sliding to the feeding port 2, the staff can lift the shovel handle by utilizing the blocking of the convex ridge 10 to easily and conveniently pour the aluminum material on the shovel into the fire mouth. After the feeding is completed, the support plate 4 can be pushed back to its original position with the shovel.

[0031] In the third embodiment, since the lower annular protective plate 9 is located in the fire mouth, the support ring 8 and the upper limit ring 7 are also used to be burned by the flame. Therefore, in order to ensure the high temperature resistance of the annular protective plate 9, the support ring 8 and the upper limit ring 7, the lower annular protective plate 9, the support ring 8 and the upper limit ring 7 are all made of alkaline refractory materials or carbonaceous refractory materials.

[0032] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the above-mentioned embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the content of the claims involved.

Claims

1. A prefabricated fire baffle plate for an aluminum melting furnace, comprising an aluminum melting furnace (5), characterized in that: A support member (3) is detachably mounted in a burner on the upper end surface of an aluminum melting furnace (5). The support member (3) comprises a support ring (8) which is horizontally arranged at the upper part of the burner and has an inner diameter smaller than the diameter of the burner. A lower annular protective plate (9) is arranged on the lower surface of the support ring (8) and is used to block and protect the inner wall of the burner. An annular fire baffle (1) which is coaxially arranged with the support ring (8) and has an inner diameter matching the inner diameter of the support ring (8) is detachably mounted on the upper part of the support ring (8). A feeding port (2) for feeding aluminum material is arranged on the side wall of the annular fire baffle (1). A support rod (6) which is located at the lower part of the feeding port (2) and extends outward is also arranged on the side wall of the annular fire baffle (1). A support plate (4) which can slide toward the feeding port (2) and is used to support an aluminum material bucket is arranged on the upper part of the support rod (6).

2. The aluminum melting furnace fire port fire baffle prefabricated component according to claim 1, characterized in that: The inner diameter of the lower annular protection plate (9) is matched with the inner diameter of the support ring (8), and the outer diameter of the lower annular protection plate (9) is matched with the inner diameter of the burner of the aluminum melting furnace (5).

3. The aluminum melting furnace fire port fire baffle prefabricated part according to claim 1, characterized in that: An upper surface of the support ring (8) is provided with an upper limit ring (7) which is arranged coaxially with the support ring (8) and is used to limit and block the annular fire baffle (1).

4. The aluminum melting furnace fire port fire baffle prefabricated component according to claim 3, characterized in that: The lower annular protection plate (9), the support ring (8) and the upper limit ring (7) are all made of alkaline refractory materials or carbonaceous refractory materials.

5. The aluminum melting furnace fire port fire baffle prefabricated part according to claim 3, characterized in that: The outer diameter of the upper limit ring (7) is matched with the inner diameter of the annular fire baffle (1), and the inner diameter of the upper limit ring (7) is matched with the inner diameter of the support ring (8).

6. The aluminum melting furnace fire port fire baffle prefabricated part according to claim 3, characterized in that: The upper edge of the upper limit ring (7) is not higher than the lower edge of the feeding port (2).

7. The aluminum melting furnace fire port fire baffle prefabricated part according to claim 1, characterized in that: The lower surface of the support plate (4) is provided with a groove (11) which is arranged along the axial direction of the support rod (6) and has open structures at both ends. The support plate (4) is horizontally clamped on the upper part of the support rod (6) through the groove (11) and is slidably matched with the support rod (6).

8. The aluminum melting furnace fire port fire baffle prefabricated part according to claim 7, characterized in that: A convex ridge (10) is provided on one side of the upper surface of the support plate (4) close to the feeding port (2).

Images