CN220380255U - Metallurgical kiln furnace roof hanging structure - Google Patents

Abstract

The utility model relates to the technical field of masonry of metallurgical kiln structures, in particular to a suspended structure of a furnace top of a metallurgical kiln. Comprises a main beam, a fastener, a pressing plate, a hanging beam, a hanging brick clamping piece, a hanging brick hanging piece, a pin shaft, a cotter pin, a hanging brick, a filling brick and a light heat-insulating casting material. A plurality of main beams are arranged side by side on the furnace top of the kiln and are used as bearing beams of a furnace top hanging structure, and the main beams are fixedly connected with steel structure upright posts on two sides of the kiln body; the hanging beam is hung below the main beam through a fastener and a pressing plate, a plurality of rows of hanging bricks are hung below the hanging beam through hanging brick clamping pieces, hanging brick hanging pieces, pin shafts and cotter pins, filling bricks are laid between any two rows of hanging bricks which are vertically and horizontally adjacent, and light heat-insulating castable is integrally laid at the tops of the hanging bricks and the filling bricks. The continuous seam type furnace top hanging brick has the advantages of solving the problem of continuous seams among all sides of the furnace top hanging brick of the roasting section of the belt type roasting machine in the prior art, along with simple structure, convenient construction, high speed, high operation efficiency, good overall stability and long service life, and is particularly suitable for high-temperature kilns.

Description

Metallurgical kiln furnace roof hanging structure

Technical Field

The utility model relates to the technical field of industrial kiln structure masonry, in particular to a metallurgical kiln top hanging structure. The method is suitable for hanging bricks at the furnace top of the roasting section of the upper cover process of the belt roasting machine.

Background

As is well known, the furnace top of the metallurgical furnace currently adopts a hanging structure generally, hanging bricks are fixed on a bearing steel structure by using hanging pieces through a bolt hinging or hanging hook welding mode, and under the condition that the furnace top is expanded at high temperature in the baking furnace and daily production process, the stress consistency of the hanging pieces is poor due to different bolt fastening forces of the hanging points or uneven quality of welding positions, so that stress is generated between the hanging bricks, and accidents such as breakage and falling of the hanging bricks are caused.

In recent years, a belt type baking machine is rapidly developed, the structure of a furnace top hanging brick adopted in a baking section of an upper cover process of the belt type baking machine is complex, the variety of bricks is large, the construction speed is low, the heat insulation layer is not fully covered, the heat insulation effect is poor, vertical seams between the vertical adjacent hanging bricks cannot be sewn, gaps are not formed between the hanging bricks and left and right adjacent filling bricks and between the adjacent hanging bricks, the sealing tightness cannot be realized only by filling slurry between the brick seams and the vertical seams between the transverse hanging bricks and the filling bricks, if the brick seams at the top of a kiln are not staggered along the air flow direction, the vertical seams along the air flow direction are easily eroded by high-temperature air flow, the furnace top of the kiln is easily damaged, the heat insulation performance is reduced, and the service life of the kiln is shortened.

Disclosure of Invention

The utility model provides a furnace top hanging structure of a metallurgical furnace, in particular to a furnace top hanging structure of a metallurgical furnace, which aims to overcome the technical problem of hanging bricks in a roasting section of an upper cover process of a belt type roasting machine.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a hanging structure of a metallurgical furnace roof comprises a main beam, a fastener, a pressing plate, a hanging beam, a hanging brick clamping piece, a hanging brick hanging piece, a pin shaft, a cotter pin, hanging bricks, middle filling bricks, front and rear filling bricks, left and right filling bricks and refractory castable; a plurality of main beams are arranged side by side on the furnace top of the kiln and are used as bearing beams of a furnace top hanging structure, and the main beams are fixedly connected with steel structure upright posts on two sides of the kiln body; the hanging beam is hung below the main beam through a fastener and a pressing plate, a plurality of rows of hanging bricks are hung below the hanging beam through hanging brick clamping pieces, hanging brick hanging pieces, pin shafts and cotter pins, front and rear filling bricks and left and right filling bricks are built between any two rows of hanging bricks which are vertically and horizontally adjacent, middle filling bricks are built between the front and rear filling bricks and the left and right filling bricks, and light heat-insulating castable is integrally paved at the tops of the hanging bricks, the middle filling bricks, the front and rear filling bricks and the left and right filling bricks.

In the utility model, the main beam and the hanging beam are made of profile steel, the web plates are vertically arranged, the main beam is provided with hanging point positions at each position with rib plates welded, the rib plates are vertically and symmetrically welded on two sides of the web plates, and the main beam and the hanging beam are vertically staggered along the longitudinal direction and the transverse direction.

In the utility model, the bottom of the main beam is uniformly provided with a plurality of hanging points along the transverse direction, each hanging point is symmetrically provided with two pressing plates on two sides of a rib plate of the main beam, the pressing plates are positioned on the bottom surface of a lower wing plate of the main beam, and each pressing plate is provided with two sets of fasteners for fixing the pressing plates; the main beam and the hanging beam are connected into a whole through the pressing plate and the fastening piece, and bolt through holes with the number corresponding to that of the pressing plate are arranged at each hanging point on the bottom surface of the lower wing plate of the main beam; the upper end of each pressing plate is provided with a bolt through hole, the other end of each pressing plate is provided with an inclined concave surface matched with the contact surface of the hanging beam, two pressing plates at the position of each hanging point are oppositely fixed on the bottom surface of the lower wing plate of the main beam through fasteners, the oppositely-matched pressing plates are used for fixing the upper wing plate of the hanging beam, the lower wing plate of the hanging beam is provided with a hanging brick clamping piece and a hanging brick hanging piece, the two parts are connected through a pin shaft, two sides of the pin shaft are provided with holes, and cotter pins are arranged to prevent the pin shaft from falling off.

In the utility model, the brick hanging clamping piece consists of an upper C-shaped notch and a lower U-shaped groove, wherein pin shaft through holes are formed in steel plates at two sides of the lower U-shaped groove, and the upper C-shaped notch is used for being matched and connected with a lower wing plate of a hanging beam; a pin shaft through hole is arranged above the hanging piece hanging rod of the hanging brick, and a dovetail tenon matched with the dovetail groove of the hanging brick is arranged below the hanging piece hanging rod; the lower part of the brick hanging clamping piece and the upper part of the brick hanging piece are fixedly connected through the pin shaft holes.

In the utility model, the hanging brick is connected and fixed with the dovetail rabbet matched with the lower part of the hanging brick hanging piece through the dovetail slot arranged at the upper base, the hanging brick, the middle filling brick, the front filling brick, the rear filling brick and the left filling brick and the right filling brick are arranged in a single layer, the hanging brick, the front filling brick, the rear filling brick, the left filling brick and the right filling brick are connected and fixed with each other through the primary-secondary opening interlocking and meshing structure.

In the utility model, the hanging brick consists of an upper hanging base and a refractory brick matrix at the lower part of the base, four sides of the matrix are concave-convex structures formed by matching primary and secondary openings, and the whole hanging brick is integrally formed; the front filling brick and the rear filling brick), the left filling brick and the right filling brick, the middle filling brick consists of an upper base brick body and a lower refractory brick matrix, four sides of the lower refractory brick matrix are concave-convex structures formed by matching primary and secondary openings, and the whole brick is integrally formed; the hanging brick and the three filling bricks are rectangular structures.

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

1. the utility model has simple and reliable structure and convenient construction, is beneficial to prolonging the service life of the furnace top of the kiln, is particularly suitable for high-temperature industrial kilns, has strong popularization and has good economic and social benefits.

2. The hanging bricks and the filling bricks are connected and fixed through the primary-secondary opening interlocking and meshing structure, so that the vertical brick seams and the front-back left-right brick seams all achieve the purpose of seam pressing staggered joint, and the sealing effect is good.

3. The light heat-insulating castable is integrally paved at the tops of the hanging bricks and the filling bricks, so that heat insulation is realized, and the integral air tightness of the hanging structure is ensured.

4. The criss-cross main beams and the hanging beams are connected into a whole through the hanging pieces, the hanging bricks and the filling bricks are connected and fixed through the primary-secondary opening interlocking and meshing structures, the structural whole is high in stability, the hanging bricks are not easy to break, and the problem of stress of the hanging bricks is solved.

Drawings

FIG. 1 is a schematic perspective view of a suspended structure of a furnace roof of a metallurgical furnace according to the present utility model.

FIG. 2 is a front view of a metallurgical furnace roof suspension structure of the present utility model;

FIG. 3 is a side view of a metallurgical furnace roof suspension structure of the present utility model;

FIG. 4 is a top view of a suspended structure of a furnace roof of a metallurgical furnace according to the present utility model

FIG. 5 is a schematic perspective view of a hanging brick according to the present utility model;

FIG. 6 is a schematic perspective view of the front and rear filling bricks of the present utility model;

FIG. 7 is a schematic perspective view of the left and right packing bricks of the present utility model;

FIG. 8 is a schematic perspective view of an intermediate filling brick according to the present utility model;

FIG. 9 is a schematic diagram of the installation sequence of hanging bricks and packing bricks according to the present utility model;

FIG. 10 is a schematic perspective view of a hanger of the present utility model;

FIG. 11 is a schematic perspective view of a brick hanging clamp according to the present utility model;

fig. 12 is a schematic perspective view of a pin according to the present utility model;

FIG. 13 is a schematic perspective view of a platen according to the present utility model;

in the figure: 1. a main beam; 2. hanging a beam; 3. a fastener; 4. hanging bricks; 5. filling bricks in front and back; 6. filling bricks in the middle; 7. hanging bricks; 8. a pin shaft; 9. hanging brick clamping pieces; 10. a cotter pin; 11. a pressing plate; 12. refractory castable; 13. rib plates; 14. and filling bricks left and right.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 10, the hanging structure of the furnace top of the metallurgical furnace comprises a main beam 1, a fastener 3, a pressing plate 11, a hanging beam 2, a hanging brick clamping piece 9, a hanging brick hanging piece 7, a pin shaft 8, a cotter pin 10, hanging bricks 4, front and rear filling bricks 5 of a middle filling brick 6, left and right filling bricks 14 and refractory castable 12; a plurality of main beams 1 are arranged side by side on the furnace top of the kiln as bearing beams of a furnace top hanging structure, and the main beams 1 are fixedly connected with steel structure upright posts on two sides of the kiln body; the hanging beam 2 is hung below the main beam 1 through a fastener 3 and a pressing plate 11, a plurality of rows of hanging bricks 4 are hung below the hanging beam 2 through a hanging brick clamping piece 9, a hanging brick hanging piece 7, a pin shaft 8 and a cotter pin 10, front and rear filling bricks 5 and left and right filling bricks 14 are laid between any two rows of hanging bricks 4 vertically and horizontally, middle filling bricks 6 are laid between the front and rear filling bricks 5 and the left and right filling bricks 14, and light heat-insulating castable 12 is integrally paved at the tops of the hanging bricks 4, the middle filling bricks 6, the front and rear filling bricks 5 and the left and right filling bricks 14.

As shown in fig. 1 to 10, in the hanging structure of the furnace top of the metallurgical furnace, the main beam 1 and the hanging beam 2 are made of profile steel, the web plates are vertically arranged, the hanging points of the main beam 1 are welded with the rib plates 13, the rib plates 13 are vertically and symmetrically welded on two sides of the web plates, and the main beam 1 and the hanging beam 2 are vertically staggered along the longitudinal direction and the transverse direction.

As shown in fig. 1 to 10, in the hanging structure of the furnace top of the metallurgical furnace, the bottom of the main beam 1 is uniformly provided with a plurality of hanging points along the transverse direction, each hanging point is symmetrically provided with two pressing plates 11 on two sides of a main beam rib plate 13, the pressing plates are positioned on the bottom surface of a main beam lower wing plate, and each pressing plate 11 is provided with two sets of fasteners 3 for fixing the pressing plates; the main beam 1 and the hanging beam 2 are connected with the fastener 3 through the pressing plate 11 to form a whole, and bolt through holes with the number corresponding to that of the pressing plate 11 are arranged at each lifting point position on the bottom surface of the lower wing plate of the main beam 1; the upper end of each pressing plate 11 is provided with a bolt through hole, the other end of each pressing plate 11 is provided with an inclined concave surface matched with the contact surface of the hanging beam 2, two pressing plates 11 at the position of each hanging point are fixed on the bottom surface of the lower wing plate of the main beam 1 through fastening pieces in a closing manner, the pressing plates 11 after the closing are used for fixing the upper wing plate of the hanging beam 2, the lower wing plate of the hanging beam 2 is provided with a hanging brick clamping piece 9 and a hanging brick hanging piece 7, the two parts are connected through a pin shaft 8, two sides of the pin shaft 8 are provided with openings and are provided with cotter pins 10, and the pin shaft 8 is prevented from falling off.

As shown in fig. 1 to 10, the hanging brick clamping piece 9 of the metallurgical kiln furnace roof is composed of an upper C-shaped notch and a lower U-shaped groove, pin shaft through holes are formed in steel plates on two sides of the lower U-shaped groove, and the upper C-shaped notch is used for being connected with a lower wing plate of the hanging beam 2 in a matching way; a pin shaft through hole is arranged above the hanging rod of the hanging brick hanging piece 7, and a dovetail tenon matched with the dovetail groove of the hanging brick is arranged below the hanging rod; the lower part of the brick hanging clamping piece 9 and the upper part of the brick hanging piece 7 are fixedly connected through the pin shafts 8 through the pin shaft holes.

As shown in fig. 1 to 10, in the hanging structure of the furnace top of the metallurgical furnace, the hanging brick 4 is fixedly connected with the dovetail rabbet matched with the lower part of the hanging brick hanging piece 7 through the dovetail groove arranged on the upper base, the hanging brick 4, the middle filling brick 6, the front filling brick 5, the rear filling brick 5 and the left filling brick 14 are arranged in a single layer, the hanging brick 4, the front filling brick 5, the rear filling brick 5, the left filling brick 14 and the right filling brick 14 are fixedly connected with the middle filling brick 6 through a primary-secondary opening interlocking and meshing structure.

As shown in fig. 1 to 10, in the hanging structure of the furnace roof of the kiln, the hanging brick 4 consists of an upper hanging base and a refractory brick matrix at the lower part of the base, four sides of the matrix are concave-convex structures formed by matching primary and secondary openings, and the whole hanging brick is integrally formed; the front filling brick 5, the rear filling brick 5, the left filling brick 14, the right filling brick 14 and the middle filling brick 6 are composed of an upper base brick body and a lower refractory brick matrix, four sides of the lower refractory brick matrix are concave-convex structures formed by matching primary and secondary openings, and the whole brick is integrally formed; the hanging brick 4 and the three filling bricks are rectangular structures.

The installation method of the utility model is as follows:

in the utility model, a plurality of girders 1 are used as bearing beams of a hanging structure of a furnace top of a kiln, the girders 1 are firstly arranged on steel structure columns at two sides of the kiln body and fixedly connected with the columns, a plurality of hanging points are arranged below each girder 1 according to requirements, then the girders 2 are arranged at the hanging point positions of the bottom surfaces of lower wing plates of the girders 1 by using pressing plates 11 and fasteners 3, so that the girders 1 and the hanging girders 2 are connected in a criss-cross way to form a whole, a plurality of hanging points are arranged below the hanging girders 2 at equal intervals, a hanging brick clamping piece 9, a hanging brick hanging piece 7, a pin shaft 8 and a cotter pin 10 are sequentially arranged at the positions of each hanging point to form a hanging structure for installing hanging bricks 4, the hanging bricks 4 are hung below the hanging girders 2 by the hanging structure, finally filling bricks are installed, at least four hanging bricks 4 are arranged in any two rows and two rows of hanging bricks are arranged vertically and horizontally when the filling bricks are installed, the front filling brick 5 and the rear filling brick 5 are firstly installed, an interlocking and meshing structure is formed between the left side or the right side of the hanging brick 4 and the hanging brick 4, then the left filling brick 14 and the right filling brick 14 are installed, the filling brick 14 is horizontally pushed into the rear of the hanging brick 4 and is in an interlocking and meshing structure between the hanging brick 4 and the other filling bricks, at the moment, four hanging bricks 4, two front and rear filling bricks 5 and one left and right filling brick 14 form a groove structure, then the middle filling brick 6 is horizontally pushed into the groove in front of the hanging brick 4 and is in an interlocking and meshing structure between the hanging brick 4 and the other filling bricks, finally the other left and right filling bricks 14 and the other bricks are in an interlocking and meshing structure, the light heat-insulating castable 12 is integrally paved on the top surfaces of the hanging brick 4 and the filling bricks after all the bricks are installed.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the components referred to must have a specific direction, and thus should not be construed as limiting the present utility model.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A hanging structure of a metallurgical furnace roof comprises a main beam (1), a fastener (3), a pressing plate (11), a hanging beam (2), a hanging brick clamping piece (9), a hanging brick hanging piece (7), a pin shaft (8), a cotter pin (10), a hanging brick (4), front and rear filling bricks (5) of a middle filling brick (6), left and right filling bricks (14) and refractory castable (12); a plurality of main beams (1) are arranged side by side on the furnace top of the kiln as bearing beams of a hanging structure of the furnace top, and the main beams (1) are fixedly connected with steel structure upright posts on two sides of the kiln body; hanging beam (2) hangs in the below of girder (1) through fastener (3), clamp plate (11), hanging beam (2) below is hung brick (4) through hanging brick fastener (9), hanging brick pendant (7), round pin axle (8), cotter pin (10) and is hung multirow, around packing brick (5) and control packing brick (14) are built between arbitrary vertically and horizontally adjacent two rows of hanging brick (4), around packing brick (5) with control packing brick (14) middle packing brick (6) are built in the middle of, hang brick (4), middle packing brick (6), around packing brick (5), control packing brick (14) the top is whole to be laid light heat preservation pouring material (12).

2. The metallurgical furnace top hanging structure according to claim 1, wherein the main beam (1) and the hanging beam (2) are made of profile steel, the web plates are vertically arranged, the hanging points of the main beam (1) are welded with rib plates (13) at each position, the rib plates (13) are vertically and symmetrically welded on two sides of the web plates, and the main beam (1) and the hanging beam (2) are vertically staggered along the longitudinal direction and the transverse direction.

3. The hanging structure of the furnace top of the metallurgical furnace according to claim 1, wherein a plurality of hanging points are uniformly arranged at the bottom of the main beam (1) along the transverse direction, two pressing plates (11) are symmetrically arranged at two sides of a main beam rib plate (13) at each hanging point, the pressing plates are positioned at the bottom surface of a main beam lower wing plate, and each pressing plate (11) is provided with two sets of fasteners (3) for fixing the pressing plates; the main beam (1) and the hanging beam (2) are connected with the fastener (3) through the pressing plate (11) to form a whole, and bolt through holes with the number corresponding to that of the pressing plate (11) are arranged at each lifting point position on the bottom surface of the lower wing plate of the main beam (1); the upper end of each pressing plate (11) is provided with a bolt through hole, the other end of each pressing plate is provided with an inclined concave surface matched with the contact surface of the hanging beam (2), two pressing plates (11) at each hanging point are fixed on the bottom surface of the lower wing plate of the main beam (1) through fastening pieces, the pressing plates (11) after the buckling are used for fixing the upper wing plate of the hanging beam (2), the lower wing plate of the hanging beam (2) is provided with a hanging brick clamping piece (9) and a hanging brick hanging piece (7) which are connected through a pin shaft (8), two sides of the pin shaft (8) are provided with holes and are provided with cotter pins (10), and the pin shaft (8) is prevented from falling off.

4. A metallurgical kiln top hanging structure according to claim 3, characterized in that the brick hanging clamp (9) consists of an upper C-shaped notch and a lower U-shaped groove, the steel plates on both sides of the lower U-shaped groove are provided with pin shaft through holes, and the upper C-shaped notch is used for being connected with the lower wing plate of the hanging beam (2) in a matching way; a pin shaft through hole is arranged above the hanging rod of the hanging brick hanging piece (7), and a dovetail tenon matched with the dovetail groove of the hanging brick is arranged below the hanging rod; the lower part of the brick hanging clamping piece (9) and the upper part of the brick hanging piece (7) are fixedly connected through the pin shafts (8) penetrating through the pin shaft holes.

5. The metallurgical kiln top hanging structure according to claim 1 or 4, wherein the hanging brick (4) is fixedly connected with the dovetail rabbet of the lower part of the hanging brick hanging piece (7) through the dovetail slot arranged at the upper base, the hanging brick (4), the middle filling brick (6), the front filling brick (5) and the rear filling brick (14) are arranged in a single layer, the hanging brick (4) is fixedly connected with the front filling brick (5) and the rear filling brick (14) through a primary-secondary opening interlocking engagement structure, and the front filling brick (5), the rear filling brick (14) and the middle filling brick (6) are fixedly connected with each other through the primary-secondary opening interlocking engagement structure.

6. The furnace roof hanging structure of the kiln, according to claim 1, characterized in that the hanging brick (4) is composed of an upper hanging base and a refractory brick matrix at the lower part of the base, four sides of the matrix are concave-convex structures formed by matching primary and secondary openings, and the whole hanging brick is integrally formed; the front filling brick (5), the rear filling brick (14), the left filling brick (14) and the middle filling brick (6) are composed of an upper base brick body and a lower refractory brick matrix, four sides of the lower refractory brick matrix are concave-convex structures formed by matching primary and secondary openings, and the whole brick is integrally formed; the hanging brick (4) and the three filling bricks are rectangular structures.