CN213747879U

CN213747879U - Novel high-temperature smelting kiln arch crown brick

Info

Publication number: CN213747879U
Application number: CN202022687863.4U
Authority: CN
Inventors: 王健; 王桂鹏; 邱长权; 杨光; 吴洋; 徐晓明
Original assignee: Marvels Refractories Anshan Co ltd
Current assignee: Marvels Refractories Anshan Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-20
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a novel high-temperature smelting kiln arch top brick, which comprises an arch foot brick, a side lining brick, a middle lining brick and a center lining brick, wherein both the two side surfaces of the center lining brick and one side of the middle lining brick, which is far away from the center lining brick, are provided with semicircular bulges; the utility model discloses a mutual interlock between central lining brick, middle lining brick, the limit lining brick to and the whole framework of the vault that the agreeing with of limit lining brick and arch springing brick jointly make up, the frame construction of the furnace roof of adaptable pyrometallurgical furnace large-span effectively guarantees that the structure of interior lining material is firm and life in the high temperature kiln use.

Description

Novel high-temperature smelting kiln arch crown brick

Technical Field

The utility model relates to a high temperature kiln equipment technical field specifically is a novel high temperature smelting kiln hunch crown brick.

Background

With the development of modern smelting technology, the technical innovation of large-scale and high-efficiency high-temperature smelting equipment and the like, smelting conditions are more and more rigorous, and higher requirements are put forward on the performance and the service life of a refractory material. At present, smelting equipment such as nonferrous smelting furnaces, lime kilns, glass tank furnaces and the like are changed to be large-sized and multifunctional, so that the requirements on refractory materials of furnace tops of related furnaces are higher and higher, the capacity of the furnaces is larger, the building difficulty of the top structure is larger when the span is larger, the furnace top of the integral castable is easy to peel off and even collapse in large blocks due to the limitation of the property of the castable, and the smelting progress and the integral service life of the refractory are influenced. Meanwhile, the poured lining material has high construction condition requirements, can be demoulded only by baking, is long in construction time, and can also influence the overall masonry construction progress. By adopting the structure of the refractory bricks, the conditions of unreasonable masonry structure, uneven stress on the whole vault and partial brick falling or collapse are often easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel high-temperature smelting kiln arch crown brick to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel high-temperature smelting kiln arch top brick comprises arch foot bricks, side lining bricks, middle lining bricks and center lining bricks, wherein semicircular bulges are arranged on two side surfaces of each center lining brick and one side, far away from the center lining bricks, of each middle lining brick and one side, close to the center lining bricks, of each side lining brick, semicircular grooves matched with the semicircular bulges are formed in the side of each middle lining brick and the side lining bricks, one side, far away from the center lining bricks, of each side lining brick is provided with a second step surface, one side, close to the side lining bricks, of each arch foot brick is provided with a first step surface matched with the second step surface, and the lower ends of the arch foot bricks are further provided with fixing components used for fixing with a furnace wall;

the central lining brick, the middle lining brick and the side lining brick are all meshed together through the semicircular bulges and the semicircular grooves, the side lining brick and the arch springing brick are matched together through the first step surface and the second step surface, and meanwhile, the side lining brick, the middle lining brick and the side lining brick are combined together to form an integral framework of a vault.

As a further aspect of the present invention: the fixing assembly comprises a fixing side seat and an embedded bottom plate, the fixing side seat is fixedly connected to the positions of two sides of the arch foot brick, stepped holes are formed in the positions of two ends of the fixing side seat, threaded holes corresponding to the positions of the stepped holes are formed in four angular positions of the embedded bottom plate, and a T-shaped embedded part is fixedly connected to the middle of the lower end face of the embedded bottom plate.

As a further aspect of the present invention: the embedded bottom plate and the fixed side seat are fixed through the hexagon socket head cap screws.

As a further aspect of the present invention: chamfers with the radius of 3 mm are arranged at the intersecting positions of the semicircular bulges and the plane of the lining brick.

As a further aspect of the present invention: and chamfers with the radius of 3 mm are arranged at the crossed positions of the semicircular grooves and the plane of the lining brick.

As a further aspect of the present invention: the first step surface and the second step surface are both obliquely arranged and have the same inclination angle.

As a further aspect of the present invention: the radius of the semicircular bulge is 2 mm smaller than that of the semicircular groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a mutual interlock between central lining brick, middle lining brick, the limit lining brick to and the whole framework of the vault that the agreeing with of limit lining brick and arch springing brick jointly make up, the frame construction of the furnace roof of adaptable pyrometallurgical furnace large-span effectively guarantees that the structure of interior lining material is firm and life in the high temperature kiln use.

2. The utility model discloses a T shape built-in fitting of terminal surface under the pre-buried bottom plate sets up can make pre-buried bottom plate and furnace wall form a whole in imbedding the T shape built-in fitting into the furnace wall when building the furnace wall, and then can conveniently carry out firm fixed to the hunch foot brick through the bolt.

Drawings

FIG. 1 is a schematic view of a combined structure of a novel high-temperature smelting kiln crown brick.

FIG. 2 is a schematic view of a central lining brick structure in a novel high-temperature smelting kiln arch top brick.

FIG. 3 is a schematic view of a structure of a middle lining brick in a novel high-temperature smelting kiln arch top brick.

FIG. 4 is a schematic view of the structure of a side lining brick in a novel high-temperature smelting kiln arch top brick.

FIG. 5 is a schematic view of the structure of an arch springing brick in a novel high-temperature smelting kiln arch top brick.

FIG. 6 is a schematic structural diagram of a pre-buried bottom plate and a T-shaped pre-buried part in a novel high-temperature smelting kiln arch top brick.

Wherein: the novel brick comprises a pre-buried bottom plate 1, a fixed side seat 2, arch foot bricks 3, edge lining bricks 4, middle lining bricks 5, center lining bricks 6, threaded holes 7, an 8T-shaped pre-buried part, a stepped hole 9, a first step surface 10, a second step surface 11, a semicircular groove 12 and semicircular bulges 13.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, in an embodiment of the present invention, a novel pyrometallurgical kiln crown brick includes an arch foot brick 3, a side lining brick 4, a middle lining brick 5, and a center lining brick 6, wherein both side surfaces of the center lining brick 6 and one side of the middle lining brick 5 away from the center lining brick 6 are respectively provided with a semicircular protrusion 13, one sides of the middle lining brick 5 and the side lining brick 4 close to the center lining brick 6 are respectively provided with a semicircular groove 12 matched with the semicircular protrusion 13, one side of the side lining brick 4 away from the center lining brick 6 is respectively provided with a second step surface 11, one side of the arch foot brick 3 close to the side lining brick 4 is respectively provided with a first step surface 10 matched with the second step surface 11, and a fixing component for fixing with a furnace wall is further arranged at a lower end of the arch foot brick 3;

the central lining brick 6, the middle lining brick 5 and the side lining brick 4 are all meshed together through a semicircular bulge 13 and a semicircular groove 12, the side lining brick 4 and the arch foot brick 3 are combined together through a first step surface 10 and a second step surface 11, and simultaneously, the side lining brick 4, the middle lining brick 5 and the central lining brick 6 are combined together to form an integral framework of a vault; chamfers with the radius of 3 mm are arranged at the intersecting positions of the semicircular bulges 13 and the lining brick planes; chamfers with the radius of 3 mm are arranged at the intersecting positions of the semicircular grooves 12 and the lining brick planes; the first step surface 10 and the second step surface 11 are both arranged obliquely and have the same inclination angle; the radius of the semicircular bulge 13 is 2 mm smaller than that of the semicircular groove 12; the vault brick masonry method of the utility model fixes the vault brick 3 on the pre-buried bottom plate 1 of the furnace walls at two sides through the hexagon socket head cap screw, then builds the side lining brick 4, the middle lining brick 5 and the central lining brick 6 in sequence, uses the brick jacking device to jack when building, all builds the vault, removes the brick jacking device, utilizes the interaction force under gravity between the bricks to form a stable structure, and can set different middle lining bricks 5 to adjust the arc surface angle of the vault structure according to the span length of the high-temperature furnace; meanwhile, the fitting degree during masonry can be improved through the semicircular bulge 13 with the radius being 2 mm smaller than that of the semicircular groove 12.

The fixing assembly comprises a fixing side seat 2 and an embedded bottom plate 1, the fixing side seat 2 is fixedly connected to two side positions of an arch-shaped brick 3, stepped holes 9 are formed in two end positions of the fixing side seat 2, threaded holes 7 corresponding to the stepped holes 9 are formed in four angular positions of the embedded bottom plate 1, and a T-shaped embedded part 8 is fixedly connected to the middle of the lower end face of the embedded bottom plate 1; the embedded bottom plate 1 and the fixed side seat 2 are fixed through hexagon socket head bolts; the utility model discloses a T shape built-in fitting 8 of terminal surface under pre-buried bottom plate 1 sets up can make pre-buried bottom plate 1 and furnace wall form a whole in burying T shape built-in fitting 8 into the furnace wall when building the furnace wall, and then can conveniently carry out firm fixed to hunch foot brick 3 through the bolt.

The utility model discloses a theory of operation is: the vault brick masonry method of the utility model fixes the vault brick 3 on the pre-buried bottom plate 1 of the furnace walls at two sides through the hexagon socket head cap screw, then builds the side lining brick 4, the middle lining brick 5 and the central lining brick 6 in sequence, uses the brick jacking device to jack when building, all builds the vault, removes the brick jacking device, utilizes the interaction force under gravity between the bricks to form a stable structure, and can set different middle lining bricks 5 to adjust the arc surface angle of the vault structure according to the span length of the high-temperature furnace; the framework structure of the furnace top of the high-temperature smelting furnace can be adapted to the large span, and the structural stability and the service life of the lining material in the use process of the high-temperature furnace are effectively ensured.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel pyrometallurgical furnace arched roof brick, includes hunch foot brick (3), side lining brick (4), middle lining brick (5), central lining brick (6), its characterized in that: the two side faces of the central lining brick (6) and one side, far away from the central lining brick (6), of the middle lining brick (5) and one side, close to the central lining brick (6), of the side lining brick (4) and the middle lining brick (5) are respectively provided with a semicircular groove (12) matched with the semicircular protrusion (13), one side, far away from the central lining brick (6), of the side lining brick (4) is respectively provided with a second step surface (11), one side, near the side lining brick (4), of the arch foot brick (3) is respectively provided with a first step surface (10) matched with the second step surface (11), and the lower end of the arch foot brick (3) is also provided with a fixing component used for fixing with a furnace wall;

the central lining brick (6), the middle lining brick (5) and the side lining brick (4) are all meshed together through a semicircular bulge (13) and a semicircular groove (12), the side lining brick (4) and the arch springing brick (3) are combined together through a first step surface (10) and a second step surface (11), and meanwhile, the side lining brick, the middle lining brick (5) and the side lining brick (4) are combined together to form an integral framework of a vault.

2. The novel high-temperature smelting kiln crown brick as claimed in claim 1, wherein the fixing assembly comprises a fixing side seat (2) and a pre-buried bottom plate (1), the fixing side seat (2) is fixedly connected to the two sides of the arch foot brick (3), stepped holes (9) are formed in the two ends of the fixing side seat (2), threaded holes (7) corresponding to the positions of the stepped holes (9) are formed in the four angular positions of the pre-buried bottom plate (1), and a T-shaped pre-buried part (8) is fixedly connected to the middle of the lower end face of the pre-buried bottom plate (1).

3. The novel high-temperature smelting kiln crown brick as claimed in claim 2, characterized in that the embedded bottom plate (1) and the fixed side seat (2) are fixed through hexagon socket head cap bolts.

4. The novel pyrometallurgical kiln crown brick according to claim 1, characterized in that the intersection positions of the semicircular bulges (13) and the lining brick plane are provided with chamfers with a radius of 3 mm.

5. The novel pyrometallurgical kiln crown brick according to claim 1, characterized in that the intersection of the semicircular groove (12) and the lining brick plane is provided with a chamfer of radius 3 mm.

6. The novel pyrometallurgical kiln crown brick according to claim 1, characterized in that the first step surface (10) and the second step surface (11) are both inclined and have the same inclination angle.

7. The new type of pyrometallurgical kiln crown brick according to claim 1, characterized in that the radius of the semicircular projection (13) is 2 mm smaller than the radius of the semicircular groove (12).