CN216205288U

CN216205288U - Composite energy-saving furnace lining of white corundum smelting furnace

Info

Publication number: CN216205288U
Application number: CN202121637661.7U
Authority: CN
Inventors: 张科奇
Original assignee: Shaanxi Zhengxing Furnace Co ltd
Current assignee: Shaanxi Zhengxing Furnace Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-04-05
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a composite energy-saving furnace lining of a white corundum smelting furnace, which comprises a furnace shell, wherein the outer surface of the furnace shell is provided with a plurality of sinking platforms, one side of each sinking platform, which is far away from the outer surface of the furnace shell, is provided with a first through hole, the first through hole penetrates through the inner surface of the side wall of the furnace shell, a bolt penetrates through the first through hole, the inner side of the furnace shell is provided with a heat insulation layer, the inner side of the heat insulation layer is provided with an installation plate, the installation plate is provided with a plurality of threaded holes, the threaded holes are in threaded connection with the bolt, the inner side of the installation plate is fixedly connected with a grid frame, and the inner side of the grid frame is fixedly connected with a backing plate. In the utility model, the stress generated by expansion and contraction of the refractory brick is distributed on each transverse partition plate and each vertical partition plate, so that the overall mechanical strength of the refractory brick is enhanced, the refractory coating is prevented from being peeled off due to cracking of the refractory brick caused by expansion and contraction of the refractory brick, and the refractory brick is convenient to disassemble and replace.

Description

Composite energy-saving furnace lining of white corundum smelting furnace

Technical Field

The utility model relates to the technical field of smelting furnace linings, in particular to a composite energy-saving furnace lining of a white corundum smelting furnace.

Background

Its smelting furnace of white alundum smelting process is essential smelting equipment, and the furnace lining of smelting furnace comprises heat preservation, resistant firebrick and fire-resistant composite coating usually, because resistant firebrick seam is many, leads to the whole mechanical strength of furnace lining to be relatively poor, and resistant firebrick is in high low temperature alternating state for a long time, and expend with heat and contract with cold and lead to resistant firebrick to produce great stress, resistant firebrick fracture, difficult change, and the refractory coating on its inner wall peels off easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a composite energy-saving furnace lining of a white corundum smelting furnace.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a compound energy-conserving furnace wall of white alundum smelting furnace, includes the stove outer covering, the surface of stove outer covering is equipped with a plurality of heavy platforms, it is equipped with first through-hole to sink one side that the stove outer covering surface was kept away from to the platform, just first through-hole runs through to the lateral wall internal surface of stove outer covering, it is equipped with the bolt to run through in the first through-hole, the inboard of stove outer covering is equipped with the heat preservation, the inboard of heat preservation is equipped with the mounting panel, be equipped with a plurality of screw holes on the mounting panel, just screw hole and bolt threaded connection, the inboard fixedly connected with grid frame of mounting panel, the inboard fixedly connected with backing plate of grid frame.

Furthermore, crisscross a plurality of horizontal baffles and the vertical baffle of being equipped with in the grid frame, the vertical baffle of horizontal baffle separate the inner space of grid frame for a plurality of first square holes, grid frame, horizontal baffle, vertical baffle, mounting panel are made for high temperature resistant material.

Furthermore, a plurality of second square holes are formed in the backing plate, the second square holes correspond to the first square holes one to one, the second square holes are the same as the first square holes in size, and the backing plate is made of a fireproof material.

Furthermore, an opening cavity is defined by the inner surface of the side wall of the mounting plate, the first square hole and the second square hole, a refractory brick is laid in the opening cavity, and one side, far away from the mounting plate, of the refractory brick is flush with the inner wall of the base plate.

Furthermore, a fireproof coating is arranged on the inner wall of the base plate and one side of the fireproof brick, which is far away from the mounting plate 3.

Furthermore, a spring gasket is arranged on the sinking platform, and the end of the bolt is extruded on the spring gasket.

Furthermore, a second through hole is formed in the position, corresponding to the bolt, of the heat insulation layer.

The utility model has the beneficial effects that:

1. when the detachable fireproof grate is used, the furnace shell and the mounting plate are detachably connected through the bolts, so that the mounting plate, the grate frame, the base plate and the fireproof bricks are integrally detachable, and the fireproof bricks are convenient to replace.

2. When the refractory brick is used, the stress generated by expansion with heat and contraction with cold of the refractory brick is distributed on each transverse partition plate and each vertical partition plate, so that the integral mechanical strength of the refractory brick is enhanced, and the refractory brick is prevented from cracking due to the expansion with heat and contraction with cold, and the refractory coating is prevented from being peeled off.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view schematic of a grid frame of the present invention;

FIG. 3 is a side cross-sectional view of the shim plate of the present invention;

FIG. 4 is a schematic view of the overall structure of the mounting plate, grill frame and backing plate connection of the present invention;

fig. 5 is an enlarged view of the utility model at a in fig. 1.

Illustration of the drawings:

1. a furnace shell; 2. a heat-insulating layer; 3. mounting a plate; 4. a grid frame; 5. a base plate; 6. a refractory brick; 7. a refractory coating; 8. a transverse partition; 9. a vertical partition plate; 10. a first square hole; 11. a second square hole; 12. a threaded hole; 13. a bolt; 14. sinking a platform; 15. a spring washer; 16. a first through hole; 17. a second via.

Detailed Description

Fig. 1 to 5 show, relate to a compound energy-conserving furnace lining of white alundum smelting furnace, including stove outer covering 1, the surface of stove outer covering 1 is equipped with a plurality of heavy platforms 14, heavy platform 14 keeps away from one side of stove outer covering 1 surface and is equipped with first through-hole 16, and first through-hole 16 runs through to the lateral wall internal surface of stove outer covering 1, it is equipped with bolt 13 to run through in the first through-hole 16, the inboard of stove outer covering 1 is equipped with heat preservation 2, the inboard of heat preservation 2 is equipped with mounting panel 3, be equipped with a plurality of screw holes 12 on the mounting panel 3, and screw hole 12 and bolt 13 threaded connection, the inboard fixedly connected with grid frame 4 of mounting panel 3, the inboard fixedly connected with backing plate 5 of grid frame 4.

When using this compound energy-conserving furnace wall of white alundum smelting furnace, when live time is longer, when resistant firebrick 6 ftractures seriously, loosen bolt 13, lift mounting panel 3 and grid frame 4, backing plate 5, resistant firebrick 6 on it wholly off, change newly to improve the life of smelting furnace, and resistant firebrick 6's stress distribution is on grid frame 4 and each transverse baffle 8, vertical baffle 9, thereby increase resistant firebrick 6 holistic mechanical properties, have certain practicality.

In a further scheme, a plurality of transverse clapboards 8 and vertical clapboards 9 are arranged in the grid frame 4 in a staggered mode, the internal space of the grid frame 4 is divided into a plurality of first square holes 10 by the grid frame 4 and the vertical clapboards 9 of the transverse clapboards 8, the grid frame 4, the transverse clapboards 8, the vertical clapboards 9 and the mounting plate 3 are made of high-temperature-resistant materials, and the overall mechanical strength of the refractory bricks 6 is improved.

In the further scheme, be equipped with a plurality of second square holes 11 on the backing plate 5, and second square hole 11 and first square hole 10 one-to-one, second square hole 11 is the same with first square hole 10 size, and backing plate 5 is made by refractory material, through the setting of backing plate 5, avoids grid frame 4 whole to adopt refractory material to make, practices thrift the cost.

In a further scheme, an opening cavity is enclosed by the inner surface of the side wall of the mounting plate 3, the first square hole 10 and the second square hole 11, a refractory brick 6 is laid in the opening cavity, one side, far away from the mounting plate 3, of the refractory brick 6 is flush with the inner wall of the backing plate 5, the refractory brick 6 is divided into a plurality of blocks by the opening cavity, the grid frame 4, the transverse partition plate 8, the vertical partition plate 9 and the mounting plate 3 bear the deformation stress of the refractory brick 6 and limit the deformation of the refractory brick 6 at the same time, the integral mechanical strength of the refractory brick 6 is improved, and the refractory coating 7 is prevented from falling off.

In a further scheme, a refractory coating 7 is arranged on the inner wall of the backing plate 5 and one side of the refractory bricks 6 far away from the mounting plate 3, and the refractory coating 7 protects the refractory bricks 6 and the backing plate 5.

In a further scheme, a spring gasket 15 is arranged on the sinking platform 14, the end of the bolt 13 is extruded on the spring gasket 15, when the bolt 13 is connected with the threaded hole 12 to fix the mounting plate 3, the end of the bolt 13 presses the spring gasket 15, and the spring gasket 15 can eliminate part of stress.

In a further scheme, a second through hole 17 is formed in the position, corresponding to the bolt 13, of the heat insulation layer 2, so that the bolt 13 can conveniently penetrate through the heat insulation layer 2 to be connected with the mounting plate 3.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a compound energy-conserving furnace lining of white alundum smelting furnace, includes stove outer covering (1), its characterized in that: the utility model discloses a fire grate, including stove outer shell (1), the surface of stove outer shell (1) is equipped with a plurality of heavy platforms (14), heavy platform (14) keep away from one side of stove outer shell (1) surface and are equipped with first through-hole (16), just first through-hole (16) run through to the lateral wall internal surface of stove outer shell (1), it is equipped with bolt (13) to run through in first through-hole (16), the inboard of stove outer shell (1) is equipped with heat preservation (2), the inboard of heat preservation (2) is equipped with mounting panel (3), be equipped with a plurality of screw holes (12) on mounting panel (3), just screw hole (12) and bolt (13) threaded connection, the inboard fixedly connected with grid frame (4) of mounting panel (3), the inboard fixedly connected with backing plate (5) of grid frame (4).

2. The composite energy-saving furnace lining of the white corundum smelting furnace according to claim 1, characterized in that: crisscross a plurality of horizontal separators (8) and vertical baffle (9) of being equipped with in grid frame (4), the inside space partition of grid frame (4) is a plurality of first square holes (10) with vertical baffle (9) of grid frame (4), horizontal separator (8), vertical baffle (9), mounting panel (3) are made for high temperature resistant material.

3. The composite energy-saving furnace lining of the white corundum smelting furnace according to claim 2, characterized in that: be equipped with a plurality of second square holes (11) on backing plate (5), just second square hole (11) with first square hole (10) one-to-one, second square hole (11) with first square hole (10) size is the same, backing plate (5) are made by refractory material.

4. The composite energy-saving furnace lining of the white corundum smelting furnace according to claim 1, characterized in that: an opening cavity is defined by the inner surface of the side wall of the mounting plate (3), the first square hole (10) and the second square hole (11), a refractory brick (6) is laid in the opening cavity, and one side, far away from the mounting plate (3), of the refractory brick (6) is flush with the inner wall of the backing plate (5).

5. The composite energy-saving furnace lining of the white corundum smelting furnace according to claim 1, characterized in that: and a refractory coating (7) is arranged on the inner wall of the backing plate (5) and one side of the refractory brick (6) far away from the mounting plate (3).

6. The composite energy-saving furnace lining of the white corundum smelting furnace according to claim 1, characterized in that: a spring gasket (15) is arranged on the sinking platform (14), and the end of the bolt (13) is extruded on the spring gasket (15).

7. The composite energy-saving furnace lining of the white corundum smelting furnace according to claim 1, characterized in that: and a second through hole (17) is formed in the position, corresponding to the bolt (13), of the heat-insulating layer (2).