Fire hole prefabricated part of aluminum melting furnace

Abstract

An outer pipeline is installed in a furnace mouth of the aluminum melting furnace and attached to the inner wall of the furnace mouth of the aluminum melting furnace, the upper end of the outer pipeline extends out of the furnace mouth of the aluminum melting furnace, a clamping baffle arranged around the outer pipeline is arranged on the outer wall of a port of the upper end of the outer pipeline, and a supporting plate matched with an opening is arranged at the lower end of the outer pipeline. The inner pipeline is installed on the upper portion of the supporting plate at the bottom of an inner cavity of the outer pipeline and is coaxial with the outer pipeline, the outer pipeline, the inner pipeline and the supporting plate are matched to form an installation cavity used for being filled with piled refractory bricks, and a through opening A penetrating through the supporting plate and coaxial with the inner pipeline is formed in the middle of the supporting plate. By means of the fire hole prefabricated part composed of the inner pipeline, the refractory bricks and the outer pipeline, the mode that a traditional fire hole prefabricated part completely depends on the refractory bricks to be piled up is avoided, the service life of the movable hole prefabricated part is greatly prolonged, and daily assembling, disassembling and maintaining of the fire hole prefabricated part by workers are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to melting aluminium equipment technical field especially relates to a kind of melting aluminium furnace fire gap prefabricated parts. BACKGROUND

[0002] Melting aluminium furnace is a kind of new high-efficiency energy-saving furnace developed according to aluminium smelting process, it can well meet the requirement of alloy component in aluminium smelting process, production is discontinuous, single furnace capacity is larger and other requirements, it is suitable for intermittent operation, smelting of many cooper and back to furnace material, traditional melting aluminium furnace mostly uses shaped refractory brick masonry or cast method to be made, and installs fire gap in the furnace mouth of melting aluminium furnace, the setting of fire gap not only helps the transmission of heat in melting aluminium furnace, but also can place molten aluminium liquid splash out, however, the existing fire gap is usually integrated structure by refractory brick stacking, in the daily use process, since refractory brick is directly contacted with material and flame, this not only easily causes the loss of refractory brick, affects the service life of fire gap, but also is very inconvenient in subsequent maintenance, often needs to be replaced integrally, causes the waste of resources. SUMMARY

[0003] In order to overcome the deficiencies in the background art, the utility model discloses a kind of melting aluminium furnace fire gap prefabricated parts, the utility model is by the fire gap prefabricated part of inner pipeline, refractory brick and outer pipeline, avoid the way that traditional fire gap prefabricated part completely relies on refractory brick stacking, not only greatly improve the service life of fire gap prefabricated part, and also facilitate the loading and unloading maintenance of fire gap prefabricated part of staff daily.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of melting aluminium furnace fire gap prefabricated part, including the outer pipeline and inner pipeline of both ends being open structure, outer pipeline is installed in the furnace mouth of melting aluminium furnace, and with the inner wall of the furnace mouth of melting aluminium furnace is attached setting, outer pipeline upper end is provided with and projects out the furnace mouth of melting aluminium furnace, and its upper end port outer wall is provided with the clamping baffle of being set around outer pipeline, outer pipeline lower end is provided with the support plate that is compatible with open, inner pipeline is installed with the support plate upper portion in the inner cavity bottom of outer pipeline, and with outer pipeline coaxial setting, outer pipeline, inner pipeline and support plate are cooperated to form the installation cavity for filling refractory brick stacking, support plate middle part is provided with the through hole A that is penetrated through support plate and is coaxial with inner pipeline setting, inner pipeline is communicated with the inner cavity of melting aluminium furnace body by the through hole A, and forms fire gap.

[0006] Further, the material of outer pipeline and inner pipeline is stainless steel or ceramic.

[0007] Further, the lower surface of support plate is provided with refractory plate, and the refractory plate is provided with the through hole B corresponding to the through hole A.

[0008] Further, the refractory plate is ceramic or composite material.

[0009] Further, the upper surface of the clamping plate is provided with a lifting lug.

[0010] Further, the outer wall of the upper end port of the inner pipe is provided with an outer extension plate arranged around the inner pipe, and the clamping cover of the clamping plate is covered on the upper portion of the clamping plate.

[0011] Further, the outer diameter of the outer extension plate is matched with the outer diameter of the clamping plate, and the outer extension plate is provided with an opening matched with the lifting lug.

[0012] Further, the inner diameter of the inner pipe is not greater than the inner diameter of the through port A.

[0013] Compared with the prior art, the fire hole prefabricated part composed of the inner pipe, the refractory brick and the outer pipe not only has extremely high fire resistance and corrosion resistance, reduces the maintenance and replacement frequency of the fire hole of the molten aluminum furnace, but also avoids damage to the refractory brick during the feeding process, and only the inner pipe needs to be replaced during subsequent maintenance and maintenance.

[0014] By arranging the clamping plate, the outer pipe can be detachably installed with the furnace mouth of the molten aluminum furnace, and the outer edge of the furnace mouth of the molten aluminum furnace can be covered and protected during the subsequent feeding process.

[0015] By arranging the fireproof plate, the support plate can be effectively protected against fire and corrosion, thereby effectively improving the service life of the fire hole prefabricated part.

[0016] By arranging the lifting lug, the hoisting and dismounting of the movable hole prefabricated part are greatly facilitated.

[0017] By the opening matched with the lifting lug, the inner pipe can be limited, and the movable hole prefabricated part can be quickly combined and assembled.

[0018] The fire hole prefabricated part composed of the inner pipe, the refractory brick and the outer pipe avoids the traditional fire hole prefabricated part completely relying on the refractory brick stacking mode, greatly improves the service life of the movable hole prefabricated part, and facilitates the daily mounting and dismounting of the fire hole prefabricated part by the staff. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a structural schematic view of the utility model;

[0020] Fig. 2 It is a structural schematic view of the utility model outer pipe inner pipe assembly structure;

[0021] Fig. 3 It is a structural schematic view of the utility model inner pipe.

[0022] In the figure: 1, lug; 2, extension plate; 3, clamping plate; 4, outer pipe; 5, refractory brick; 6, inner pipe; 7, fire hole; 8, support plate; 9, refractory plate; 10, mounting cavity; 11, through hole A; 12, through hole B; 13, opening. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be described below with reference to the accompanying drawings of the utility model embodiments. In the description, it should be understood that if the terms "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship, they are only corresponding to the drawings of the utility model, and are not intended to indicate or imply that the device or element referred to must have a particular orientation.

[0024] Please refer to the accompanying drawings of the specification Figs. 1-3 The utility model provides a technical scheme:

[0025] Embodiment one, a kind of aluminium melting furnace fire hole prefabricated part, including the outer pipe 4 and inner pipe 6 of both ends open structure, the structure of outer pipe 4 and inner pipe 6 is compatible with aluminium melting furnace furnace mouth, namely aluminium melting furnace furnace mouth is circular or rectangular, then outer pipe 4 and inner pipe 6 are circular or rectangular structure, outer pipe 4 upper end is provided with protruding aluminium melting furnace furnace mouth, and its upper end port outer wall is provided with the clamping plate 3 around outer pipe 4, outer pipe 4 is in aluminium melting furnace furnace mouth and is attached to the inner wall of aluminium melting furnace furnace mouth, clamping plate 3 is clamped in the outer edge of aluminium melting furnace furnace mouth and limits outer pipe 4, outer pipe 4 lower end is provided with the support plate 8 compatible with open, inner pipe 6 is installed with the support plate 8 upper portion of outer pipe 4 inner cavity bottom, and is coaxially arranged with outer pipe 4, the installation cavity 10 for filling and stacking refractory brick 5 is formed between outer pipe 4, inner pipe 6 and support plate 8 cooperation, the middle part of support plate 8 is provided with the through hole A 11 that passes through support plate 8, and is coaxially arranged with inner pipe 6, inner pipe 6 is communicated with the inner cavity of aluminium melting furnace furnace body through through hole A 11, and forms fire hole 7, to improve the stability and fire resistance and corrosion resistance of the structure of this fire hole prefabricated part, the material of outer pipe 4 and inner pipe 6 is stainless steel or ceramic.

[0026] Embodiment two, in the use process of fire hole prefabricated part, furnace flame can high-temperature burn support plate 8, to improve the fire resistance and corrosion resistance of support plate 8, the lower surface of support plate 8 is provided with refractory plate 9, and the refractory plate 9 is ceramic or composite material, and the refractory plate 9 is provided with the through hole B 12 corresponding to the through hole A 11.

[0027] Embodiment three, to facilitate daily disassembly and assembly of fire hole prefabricated part, the upper surface of clamping plate 3 is provided with lug 1, and the lug 1 can greatly facilitate the hoisting and assembly of the device.

[0028] In the use process of the live mouth prefabricated part, the inner pipe 6 is most easily damaged due to the shielding of the inner pipe 6 to the firebrick 9, the material mainly collides and wears with the inner pipe 6 during feeding, and the flame mainly burns the inner pipe 6, so that the inner pipe 6 is most easily damaged, in order to facilitate replacement of the inner pipe 6, an outer extension plate 2 is arranged on the outer wall of the upper end port of the inner pipe 6, the outer extension plate 2 is clamped and blocked on the upper part of the clamping plate 3, the outer diameter of the inner pipe 6 and the outer diameter of the outer extension plate 2 are matched with the outer diameter of the clamping plate 3, the outer extension plate 2 is provided with an opening 13 matched with the lifting lug 1, the inner diameter of the inner pipe 6 is not greater than the inner diameter of the through port A11, the inner pipe 6 is clamped and placed through the outer extension plate 2, and the lower end of the inner pipe 6 abuts against the supporting plate 8, so that only the inner pipe 6 can be disassembled and replaced.

[0029] The utility model discloses not detailed part is prior art, for the person skilled in the art, obviously the utility model is not limited to the details of the above exemplary embodiments, and can realize the utility model with other specific forms without departing from the spirit or basic features of the utility model, therefore, no matter from which point, should regard the above embodiment as exemplary, and is non - limitative, the range of the utility model is defined by the attached claims instead of the above - mentioned explanation, therefore, all the changes falling in the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, should not regard any figure mark in the claims as the restriction of the content of the claim involved.

Claims

1. An aluminium smelting furnace mouth preform comprising an outer pipe (4) and an inner pipe (6) both open at their ends, characterised in that: The outer pipe (4) is installed in the furnace mouth of the aluminum melting furnace and attached to the inner wall of the furnace mouth. The upper end of the outer pipe (4) is provided with a clamping baffle (3) surrounding the outer pipe (4). The lower end of the outer pipe (4) is provided with a support plate (8) matching the opening. The inner pipe (6) is installed on the upper part of the support plate (8) in the inner cavity of the outer pipe (4) and coaxially arranged with the outer pipe (4). The installation cavity (10) for filling and stacking the refractory bricks (5) is formed by the cooperation of the outer pipe (4), the inner pipe (6) and the support plate (8). The middle part of the support plate (8) is provided with a through hole A (11) penetrating the support plate (8) and coaxially arranged with the inner pipe (6). The inner pipe (6) is connected with the inner cavity of the furnace body of the aluminum melting furnace through the through hole A (11) and forms the tuyere (7).

2. An aluminium smelting vessel lip preform according to claim 1, characterised in that: The materials of the outer pipe (4) and the inner pipe (6) are stainless steel or ceramic.

3. An aluminum melting furnace mouth preform according to claim 1, characterized in that: The lower surface of the support plate (8) is provided with a refractory plate (9), and the refractory plate (9) is provided with a through hole B (12) corresponding to the through hole A (11).

4. An aluminium smelting furnace mouth preform according to claim 3, characterised in that: The refractory plate (9) is ceramic or composite material.

5. An aluminum melting furnace mouth preform according to claim 1, characterized in that: The upper surface of the clamping baffle (3) is provided with an ear (1).

6. An aluminium smelting vessel lip preform according to claim 5, characterised in that: The outer extension plate (2) is arranged around the inner pipe (6) and clamps and covers the upper part of the clamping baffle (3).

7. An aluminium smelting furnace mouth preform according to claim 6, characterised in that: The outer diameter of the outer extension plate (2) is matched with the outer diameter of the clamping baffle (3), and the outer extension plate (2) is provided with an opening (13) corresponding to the ear (1).

8. An aluminum melting furnace mouth preform according to claim 1, characterized in that: The inner diameter of the inner pipe (6) is not greater than the inner diameter of the through hole A (11).

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