CN213350809U

CN213350809U - Torpedo tank car lining structure based on aluminum silicon carbide carbon bricks

Info

Publication number: CN213350809U
Application number: CN202021908221.6U
Authority: CN
Inventors: 张耀方; 钱忠平; 李华珍; 壮国清
Original assignee: Changzhou Wujin No1 Refractory Material Co ltd
Current assignee: Changzhou Wujin No1 Refractory Material Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-06-04
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a torpedo car inner lining structure based on aluminium carborundum carbon brick, casing including the torpedo form, the top of casing is equipped with irritates the mouth, the inboard of casing is equipped with permanent heat preservation, the inboard of permanent heat preservation is built by laying bricks or stones and is had resistant firebrick working layer, the spraying has fire resistant coating between permanent heat preservation and the resistant firebrick working layer, permanent heat preservation includes clay brick and heat insulating board, be equipped with the recess on the clay brick, it has the heat insulating board to inlay in the recess, resistant firebrick working layer includes direct scouring portion and indirect scouring portion, direct scouring portion is built by laying bricks or stones by aluminium carborundum carbon brick and is formed, indirect scouring portion is built by laying bricks or stones by high-alumina brick. The utility model discloses a promote resistant firebrick working layer anti-oxidant erosion ability and set up corresponding heat preservation and guarantee the inside heat preservation effect of torpedo car.

Description

Torpedo tank car lining structure based on aluminum silicon carbide carbon bricks

Technical Field

The utility model relates to a torpedo car technical field specifically is a torpedo car lining structure based on aluminium carborundum carbon brick.

Background

At present, the lining heat-insulating structure of the torpedo car mainly comprises a permanent heat-insulating layer, a fireproof coating layer and a working layer, plays a role in containing molten iron and insulating heat, and when the torpedo car carries the molten iron, runs out iron and walks, the high-temperature molten iron forms vortex at the working layer, so that the working lining brick at the part is seriously damaged, the residual thickness of the working lining brick is insufficient, and the heat-insulating capacity of the torpedo car is further reduced. Because the whole period of the molten iron in the torpedo tank is about 8 hours, how to reduce the temperature reduction of the molten iron in the torpedo tank and increase the heat preservation effect becomes a subject.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model provides a following technical scheme: a torpedo car lining structure based on aluminum silicon carbide carbon bricks comprises a torpedo-shaped shell, wherein a filling opening is formed in the top of the shell, a lining structure is arranged on the inner side of the shell and comprises a permanent heat preservation layer and a refractory brick working layer, the permanent heat preservation layer is close to the inner side of the shell, the refractory brick working layer is built on the inner side of the permanent heat preservation layer, refractory paint is sprayed between the permanent heat preservation layer and the refractory brick working layer, the permanent heat preservation layer comprises clay bricks and heat insulation plates, grooves are formed in the clay bricks, the heat insulation plates are embedded in the grooves, the refractory brick working layer comprises a direct flushing portion and an indirect flushing portion, the direct flushing portion is built by aluminum silicon carbide carbon bricks, the indirect flushing portion is built by high-alumina bricks, the thickness of the direct flushing portion is larger than that of the indirect flushing portion, and the longitudinal section of the lower portion of the aluminum silicon carbide carbon bricks is rectangular, the longitudinal section of the upper part of the aluminum-silicon carbide carbon brick is trapezoidal, the top of the aluminum-silicon carbide carbon brick is provided with an inclined plane, and the surface of the aluminum-silicon carbide carbon brick is coated with an antioxidant coating.

Preferably, the clay brick is paved with two layers, the bottom of the clay brick is provided with an asbestos plate layer, and the asbestos plate layer is tightly attached to the inner side of the shell.

Preferably, the pouring opening is formed by integrally pouring aluminum silicon carbide carbon castable.

Preferably, the heat insulation plate is a nano heat insulation plate, the groove is coated with a high-temperature adhesive, and the nano heat insulation plate is connected with the groove through the high-temperature adhesive.

Preferably, the antioxidant coating is a powder formed by mixing bentonite powder, silicon dioxide powder and silicon carbide powder.

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

the anti-corrosion performance of the internal work lining of the torpedo car can be effectively improved by increasing the thickness of the direct flushing part and coating anti-oxidation coating on the surface of the aluminum silicon carbide carbon brick, so that the thickness of the work layer of the torpedo car is ensured, the internal heat insulation effect is ensured, a groove is formed in the clay brick, a heat insulation plate is embedded in the groove, and the heat insulation effect of a permanent heat insulation layer can be further improved.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is an enlarged view of the structure of the symbol A in FIG. 1;

FIG. 3 is a sectional view of the utility model B-B;

FIG. 4 is a structural diagram of an aluminum silicon carbide carbon brick of the present invention;

in the figure: 1. a housing; 2. filling the opening; 3. a fire resistant coating; 4. clay brick; 5. a heat insulation plate; 6. a groove; 7. a direct flushing section; 8. an indirect flushing part; 9. aluminum silicon carbide carbon bricks; 10. a bevel; 11. an antioxidant coating; 12. an asbestos sheet layer.

Detailed Description

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. 1-4, an aluminum silicon carbide carbon brick-based lining structure of a torpedo car comprises a torpedo-shaped shell 1, wherein a filling opening 2 is arranged at the top of the shell 1, the filling opening 2 is integrally cast by an aluminum silicon carbide carbon castable, has excellent oxidation resistance, erosion resistance, scouring resistance and thermal shock resistance, and can withstand long-term scouring of iron and slag, the inner side of the shell 1 is provided with the lining structure, the lining structure comprises a permanent heat-insulating layer and a refractory brick working layer, the permanent heat-insulating layer is close to the inner side of the shell 1, the inner side of the permanent heat-insulating layer is provided with the refractory brick working layer in a masonry mode, a refractory coating 3 is sprayed between the permanent heat-insulating layer and the refractory brick working layer, the permanent heat-insulating layer comprises clay bricks 4 and heat-insulating plates 5, grooves 6 are inlaid with heat-insulating plates 5, the heat-insulating plates 5 are adhered to the grooves 6 through high, the heat insulation performance is 3-4 times better than that of a fiber heat insulation material at the same temperature, the heat insulation effect of the clay brick 4 can be further improved by additionally arranging the heat insulation plate 5 in the clay brick 4, in order to achieve better heat insulation effect, two layers are paved on the clay brick 4, the bottom of the clay brick 4 is provided with the asbestos plate layer 12, the asbestos plate layer 12 is tightly attached to the inner side of the shell 1, the asbestos plate also has better heat insulation effect, heat can be effectively prevented from being absorbed by the shell 1, the heat insulation effect of the lining can be strengthened by matching with the asbestos plate, the working layer of the refractory brick comprises a direct scouring part 7 and an indirect scouring part 8, the direct scouring part 7 is positioned at the bottom of the lining and can be directly impacted by molten iron, the direct scouring part 7 is built by the aluminum silicon carbide carbon brick 9, the aluminum silicon carbide carbon brick 9 has extremely high strength and molten iron impact resistance, the service life is long, the indirect scouring part 8 is built by, although the strength and the molten iron impact resistance effect of the high-alumina brick are not as good as those of aluminum silicon carbide, the area can not be directly impacted by molten iron and is low in cost, the aluminum silicon carbide brick 9 is matched to ensure the impact resistance effect of the lining, the cost can be saved, the direct scouring part 7 can be directly scoured by the molten iron, so that in order to ensure the service life of the direct scouring part 7, the thickness of the direct scouring part 7 is larger than that of the indirect scouring part 8, the longitudinal section of the lower part of the aluminum silicon carbide brick 9 is rectangular, the longitudinal section of the upper part of the aluminum silicon carbide brick 9 is trapezoidal, the top of the aluminum silicon carbide brick 9 is provided with an inclined plane 10, the vertical fall between two adjacent bricks is changed into the inclined plane 10 for transition, the vertical angle is prevented from being directly scoured by high temperature, the surface of the aluminum silicon carbide brick 9 is coated with an antioxidant coating 11, the antioxidant coating 11 comprises a powdery substance formed by mixing bentonite powder, the anti-oxidation coating 11 is coated on the aluminum silicon carbide carbon brick 9, the surface can be prevented from being subjected to oxidation erosion, peeling is caused, through lightening the damage degree of the brick, the situation that the inner lining is not enough due to the residual thickness of the brick is avoided, the heat preservation capacity of the inner lining is reduced, the anti-oxidation coating 11 is coated on the thickness of the direct flushing part 7 and the surface of the aluminum silicon carbide carbon brick 9, the anti-erosion capacity of the inner working lining of the torpedo car can be effectively improved, the thickness of the working layer of the torpedo car is ensured, the internal heat preservation effect is guaranteed, meanwhile, the groove 6 is formed in the clay brick 4, the heat insulation plate 5 is embedded in the groove 6, the heat preservation effect of the permanent heat preservation layer can be further improved, and the overall heat preservation performance of the torpedo.

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

Claims

1. The utility model provides a torpedo car lining structure based on aluminium carborundum carbon brick which characterized in that: the energy-saving environment-friendly energy-saving system comprises a torpedo-shaped shell (1), a filling opening (2) is arranged at the top of the shell (1), an inner lining structure is arranged on the inner side of, the thickness of direct portion of washing (7) is greater than indirect portion of washing (8), aluminium carborundum carbon brick (9) lower part longitudinal section is the rectangle, and its upper portion longitudinal section is trapezoidal, the top of aluminium carborundum carbon brick (9) is equipped with inclined plane (10), the surface of aluminium carborundum carbon brick (9) is paintd anti-oxidant coating (11).

2. The torpedo car lining structure based on aluminum silicon carbide carbon bricks according to claim 1, characterized in that: the clay brick (4) is paved with two layers, the bottom of the clay brick (4) is provided with an asbestos plate layer (12), and the asbestos plate layer (12) is tightly attached to the inner side of the shell (1).

3. The torpedo car lining structure based on aluminum silicon carbide carbon bricks according to claim 1, characterized in that: the pouring opening (2) is formed by integrally pouring aluminum silicon carbide carbon castable.

4. The torpedo car lining structure based on aluminum silicon carbide carbon bricks according to claim 1, characterized in that: the heat insulation board (5) is a nanometer heat insulation board (5), a high-temperature adhesive is coated on the groove (6), and the nanometer heat insulation board (5) is connected with the groove (6) through the high-temperature adhesive.