CN223596483U - A prefabricated part for the nozzle of an aluminum melting furnace - Google Patents

Abstract

The utility model discloses an aluminum melting furnace fire hole prefabricated member, wherein an outer pipe is arranged in an aluminum melting furnace fire hole and is attached to the inner wall of the aluminum melting furnace fire hole, the upper end of the outer pipe is provided with a fire hole extending out of the aluminum melting furnace fire hole, the outer wall of a port at the upper end of the outer pipe is provided with a blocking plate arranged around the outer pipe, the lower end of the outer pipe is provided with a supporting plate matched with an opening, the inner pipe is arranged at the upper part of the supporting plate at the bottom of the inner cavity of the outer pipe and is coaxial with the outer pipe, an installation cavity for filling and stacking refractory bricks is formed by matching among the outer pipe, the inner pipe and the supporting plate, and a through hole A penetrating through the supporting plate and coaxially arranged with the inner pipe is arranged in the middle of the supporting plate.

Description

Prefabricated member for fire hole of aluminum melting furnace

Technical Field

The utility model relates to the technical field of aluminum melting equipment, in particular to an aluminum melting furnace fire hole prefabricated member.

Background

The aluminum melting furnace is a novel high-efficiency energy-saving furnace developed according to an aluminum melting process, can well meet the requirements of alloy components in the aluminum melting process, is discontinuous in production, has large single furnace capacity and the like, is suitable for intermittent operation, is matched with alloy and is used for melting with a large amount of returned furnace materials, the traditional aluminum melting furnace is mostly manufactured by adopting a shaped refractory brick masonry or pouring method, a fire hole is arranged in a furnace hole of the aluminum melting furnace, the arrangement of the fire hole is beneficial to the heat transfer in the aluminum melting furnace, molten aluminum can be placed to splash, the existing fire hole is of an integral structure which is usually formed by stacking refractory bricks, and in the daily use process, the refractory bricks are in contact with materials and flames, so that the loss of the refractory bricks is very easy to cause, the service life of the fire hole is influenced, the whole furnace is inconvenient in the subsequent maintenance, and the whole furnace hole is often required to be replaced, so that the resource is wasted.

Disclosure of utility model

In order to overcome the defects in the background technology, the utility model discloses the fire hole prefabricated member of the aluminum melting furnace, and the fire hole prefabricated member is formed by an inner pipeline, refractory bricks and an outer pipeline, so that the traditional mode that the fire hole prefabricated member is completely piled up by the refractory bricks is avoided, the service life of the movable hole prefabricated member is greatly prolonged, and the daily loading, unloading and maintenance of the fire hole prefabricated member by workers are also facilitated.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides an aluminum melting furnace fire mouth prefab, including both ends are outer pipeline and the inner tube of open structure, outer pipeline is installed in aluminum melting furnace mouth, and with the attached setting mutually of aluminum melting furnace mouth inner wall, outer pipeline upper end is equipped with and stretches out aluminum melting furnace mouth, and its upper end port outer wall is equipped with the card baffle that surrounds outer pipeline setting, outer pipeline lower extreme is equipped with the backup pad with open looks adaptation, the inner tube installation is with the backup pad upper portion of outer pipeline inner chamber bottom, and with the coaxial setting of outer pipeline, the cooperation forms the installation cavity that is used for filling and piles up the resistant firebrick between outer pipeline, inner tube and the backup pad, the backup pad middle part is equipped with runs through the backup pad, and with the coaxial opening A that sets up of inner tube, the inner tube is linked together with aluminum melting furnace body inner chamber through opening A, and form the fire mouth.

Further, the outer pipeline and the inner pipeline are made of stainless steel or ceramic.

Further, the lower surface of the supporting plate is provided with a refractory plate, and the refractory plate is provided with a through hole B correspondingly adapted to the through hole A.

Further, the refractory plate is ceramic or a composite material.

Further, the upper surface of the card baffle is provided with a lifting lug.

Further, an extension plate arranged around the inner pipeline is arranged on the outer wall of the port at the upper end of the inner pipeline, and the extension plate clamp is covered on the upper part of the clamp baffle.

Further, the external diameter of the epitaxial plate is matched with the external diameter of the clamping baffle, and an opening which is correspondingly matched with the lifting lug is formed in the epitaxial plate.

Further, the inner diameter of the inner pipe is not larger than the inner diameter of the through opening A.

Compared with the prior art, the utility model has the beneficial effects that the fire hole prefabricated member composed of the inner pipeline, the refractory bricks and the outer pipeline has extremely high fire resistance and corrosion resistance, reduces the overhaul and replacement times of the fire hole of the aluminum melting furnace, avoids the damage to the refractory bricks in the feeding process, and only needs to replace the inner pipeline in the subsequent maintenance and repair;

By arranging the blocking plate, the detachable installation of the outer pipeline and the aluminum melting furnace mouth can be realized, and the outer edge of the aluminum melting furnace mouth can be covered and protected in the subsequent feeding process;

By arranging the fireproof plate, the supporting plate can be effectively protected against fire and corrosion, so that the service life of the fire hole prefabricated member is effectively prolonged;

through the arrangement of the lifting lugs, the movable opening prefabricated member is greatly convenient to hoist and disassemble;

through the opening corresponding to the lifting lug, the limit of the inner pipeline can be realized, and the quick assembly of the loose joint prefabricated member is realized;

According to the utility model, through the fire hole prefabricated member composed of the inner pipeline, the refractory bricks and the outer pipeline, the traditional mode that the fire hole prefabricated member is completely piled up by the refractory bricks is avoided, the service life of the movable hole prefabricated member is greatly prolonged, and the daily loading, unloading and maintenance of the fire hole prefabricated member by workers are also facilitated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the pipe fitting structure in the outer pipe of the present utility model;

fig. 3 is a schematic view of the inner pipe structure of the present utility model.

In the figure, 1, lifting lugs, 2, an extension plate, 3, a clamping baffle plate, 4, an outer pipeline, 5, refractory bricks, 6, an inner pipeline, 7, a fire hole, 8, a supporting plate, 9, a refractory plate, 10, a mounting cavity, 11, a through hole A, 12, a through hole B, 13 and an opening.

Detailed Description

In the description, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., the drawings merely correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element to be referred to has a specific azimuth.

Referring to fig. 1-3 of the specification, the present utility model provides a technical scheme:

The first embodiment, a prefabricated member for aluminum melting furnace fire port, including outer pipeline 4 and inner pipeline 6 that both ends are open structure, the structure of outer pipeline 4 and inner pipeline 6 is with aluminum melting furnace fire port looks adaptation, when aluminum melting furnace fire port is circular or rectangle promptly, outer pipeline 4 and inner pipeline 6 then are circular or rectangular structure, outer pipeline 4 upper end is equipped with out aluminum melting furnace fire port, and its upper end port outer wall is equipped with around the card baffle 3 that outer pipeline 4 set up, outer pipeline 4 is arranged in aluminum melting furnace fire port and attached with aluminum melting furnace fire port inner wall mutually, card baffle 3 card keeps off and carries out spacingly at outer pipeline 4 outside aluminum melting furnace fire port, outer pipeline 4 lower extreme is equipped with the backup pad 8 with open looks adaptation, inner pipeline 6 installs and the backup pad 8 upper portion of outer pipeline 4 inner chamber bottom, and set up with outer pipeline 4 is coaxial, cooperate between outer pipeline 4, inner pipeline 6 and the backup pad 8 and form and be used for filling the installation cavity 10 of piling up resistant firebrick 5, backup pad 8 middle part is equipped with run through backup pad 8, and with the coaxial pipeline A11 that sets up with inner pipeline 6, pipeline 6A is through 11 and forms the inner pipeline 7 and inner pipeline 4 for corrosion resistance and corrosion resistance can be the ceramic material for the inner pipeline 4 or the inner pipeline 4 inner corrosion resistance.

In the second embodiment, in the use process of the fire hole prefabricated member, the furnace flame burns the supporting plate 8 at high temperature, in order to improve the fire resistance and corrosion resistance of the supporting plate 8, the lower surface of the supporting plate 8 is provided with a refractory plate 9, the refractory plate 9 is made of ceramic or composite material, and the refractory plate 9 is provided with a through hole B12 correspondingly adapted to the through hole A11.

In order to facilitate the daily disassembly and assembly of the fire hole prefabricated member, the lifting lugs 1 are arranged on the upper surface of the clamping baffle plate 3, and the lifting lugs 1 are utilized to greatly facilitate the lifting assembly of the device.

In the fourth embodiment, in the use process of the prefabricated member with a loose joint, since the inner pipe 6 shields the refractory bricks 9, during feeding, the material is mainly collided and worn with the inner pipe 6, flame also burns the inner pipe 6, so that the inner pipe 6 is most easily damaged, in order to facilitate the replacement of the inner pipe 6, the outer wall of the port at the upper end of the inner pipe 6 is provided with the extension plate 2 arranged around the inner pipe 6, the extension plate 2 is blocked and covered on the upper part of the blocking plate 3, the inner pipe 6, the outer diameter of the extension plate 2 is matched with the outer diameter of the blocking plate 3, an opening 13 corresponding to the lifting lug 1 is arranged on the extension plate 2, the inner diameter of the inner pipe 6 is not larger than the inner diameter of the through hole A11, the inner pipe 6 is limited and blocked by the extension plate 2, the lower end of the inner pipe 6 is abutted against the supporting plate 8, and only the detachment and replacement of the inner pipe 6 can be realized by utilizing the structure.

The utility model has not been described in detail as belonging to the prior art, it is obvious to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments and that the utility model can be implemented in other specific forms without departing from the spirit or essential characteristics thereof, and therefore, the above-described embodiments should be regarded as exemplary and non-limiting in all respects, the scope of the utility model is defined by the appended claims rather than the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims shall not be construed as limiting the scope of the claims concerned.

Claims (8)

1. The utility model provides an aluminum melting furnace fire mouth prefabrication piece, including outer pipeline (4) and inner tube (6) that both ends are open structure, wherein outer pipeline (4) are installed in aluminum melting furnace mouth, and with aluminum melting furnace mouth inner wall attached setting mutually, outer pipeline (4) upper end is equipped with and stretches out aluminum melting furnace mouth, and its upper end port outer wall is equipped with card baffle (3) that surround outer pipeline (4) setting, outer pipeline (4) lower extreme is equipped with backup pad (8) with open looks adaptation, inner tube (6) installation and backup pad (8) upper portion of outer pipeline (4) inner chamber bottom, and with outer pipeline (4) coaxial setting, cooperation forms between outer pipeline (4), inner tube (6) and backup pad (8) is used for filling and piles up installation cavity (10) of building up firebrick (5), backup pad (8) middle part is equipped with through backup pad (8), and with inner tube (6) coaxial setting's through mouth furnace body A (11), inner tube (6) are linked together through mouth A (11) and form mouth (7) with aluminum melting furnace inner chamber.

2. The prefabricated part of the aluminum melting furnace fire mouth according to claim 1, wherein the outer pipeline (4) and the inner pipeline (6) are made of stainless steel or ceramic.

3. The prefabricated member for the fire hole of the aluminum melting furnace according to claim 1, wherein the lower surface of the supporting plate (8) is provided with a refractory plate (9), and the refractory plate (9) is provided with a through hole B (12) correspondingly matched with the through hole A (11).

4. A fire-hole prefabricated member for an aluminum melting furnace according to claim 3, characterized in that the refractory plate (9) is made of ceramic or composite material.

5. The prefabricated member for the fire hole of the aluminum melting furnace according to claim 1, wherein the upper surface of the clamping baffle plate (3) is provided with lifting lugs (1).

6. The prefabricated member for the fire hole of the aluminum melting furnace as claimed in claim 5, wherein the outer wall of the port at the upper end of the inner pipe (6) is provided with an extension plate (2) arranged around the inner pipe (6), and the extension plate (2) is blocked and covered on the upper part of the blocking plate (3).

7. The prefabricated member for the fire hole of the aluminum melting furnace, as set forth in claim 6, is characterized in that the outer diameter of the extension plate (2) is matched with the outer diameter of the clamping baffle plate (3), and an opening (13) correspondingly matched with the lifting lug (1) is formed in the extension plate (2).

8. An aluminum melting furnace fire mouth preform as claimed in claim 1, wherein the inner diameter of the inner pipe (6) is not larger than the inner diameter of the through-hole A (11).