Corrosion-resistant corundum mullite brick

Abstract

The utility model discloses an anti-corrosion corundum-mullite brick which comprises a corundum-mullite brick body, the corundum-mullite brick body is made of corundum particles, mullite powder and sulfurous acid paper pulp waste liquid, a supporting block is integrally designed in the corundum-mullite brick body, and the supporting block is connected with the corundum-mullite brick body. The heat preservation bricks made of the polyphenyl granule heat preservation mortar are installed on the two sides of the corundum mullite brick body, the mass of the used raw materials of the corundum mullite brick can be reduced, then the weight of the corundum mullite brick is reduced, a house composed of the corundum mullite brick can be subjected to heat insulation through the heat preservation cavity formed between the supporting block and the heat preservation bricks, and the service life of the house is prolonged. The corundum-mullite brick is used for reducing heat dissipation of a house and improving the heat preservation effect, the corrosion resistance of the corundum-mullite brick is improved through the corrosion-resistant coating, the fire resistance of the corundum-mullite brick is improved through the fire-resistant coating, and the rigidity of the surface of the corundum-mullite brick is improved through the rigid coating; the problem that corundum mullite bricks composed of different raw material ratios are different in corrosion resistance is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to corundum mullite brick technical field, concretely is a kind of anticorrosive corundum mullite brick. BACKGROUND

[0002] Corundum mullite brick refers to high alumina refractory product composed of corundum and mullite main crystal phase, has excellent performance such as high temperature resistance, mechanical strength, etc., the existing corundum mullite brick is generally one-piece solid design, raw material uses more, simultaneously, the thermal conductivity of solid design corundum mullite brick is larger, influences the heat resistance of corundum mullite brick, simultaneously, the product made with mullite order granules as aggregate is slightly worse in erosion resistance, the product made with corundum sand as aggregate is better in corrosion resistance, cannot ensure that corundum mullite brick made according to different aggregate has corrosion resistance, has certain limitation. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a kind of anticorrosive corundum mullite brick, to solve the problems presented in the above background technique.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of anticorrosive corundum mullite brick, including corundum mullite brick body, the corundum mullite brick body is made of corundum particle, mullite powder and sulfurous acid paper pulp waste liquid as raw material, the inside of the corundum mullite brick body is integrally designed with support block, the inside of the both ends of the corundum mullite brick body is symmetrically installed with insulating brick, support block and insulating brick form insulating cavity between, the outside of the corundum mullite brick body and support block is coated with reinforcing coating.

[0005] As further preferred of the technical scheme, the reinforcing coating includes corrosion-resistant coating, fire-resistant coating and rigid coating, the outside of the corundum mullite brick body is provided with corrosion-resistant coating, the outside of the corrosion-resistant coating is provided with fire-resistant coating, the outside of the fire-resistant coating is provided with rigid coating.

[0006] As further preferred of the technical scheme, the corrosion-resistant coating, fire-resistant coating and rigid coating are formed by slurry pouring.

[0007] As further preferred of the technical scheme, the four around insulating brick integrally symmetrical molding has protrusion, the both sides of the corundum mullite brick body are provided with recess corresponding protrusion position, the recess and protrusion are fixed between by adhesive agent.

[0008] As further preferred of the technical scheme, the four around corundum mullite brick body is symmetrically provided with filling hole.

[0009] As a further preferred aspect of the present technical solution, the weight ratio of corundum particles, mullite powder and sulfurous acid paper pulp waste liquid in the corundum mullite brick body is 4.5:4.5:1.

[0010] As a further preferred aspect of the present technical solution, the heat preservation brick is a polystyrene particle heat preservation mortar.

[0011] The utility model provides a kind of anticorrosive corundum mullite brick, with the following beneficial effects:

[0012] (1) the utility model discloses a shape that is made of corundum particles, mullite powder and sulfurous acid paper pulp waste liquid as raw material by mixing, pouring forming, drying, calcining etc.

[0013] (2) the utility model discloses the heat preservation cavity formed between support block and heat preservation brick can heat insulation is carried out to the house formed by corundum mullite brick, for reducing the heat dissipation of house, improve heat preservation effect.

[0014] (3) the utility model discloses that the corrosion resistance of corundum mullite brick is improved by corrosion-resistant coating, the fire resistance of corundum mullite brick is improved by refractory coating, the rigidity of the surface of corundum mullite brick is improved by rigid coating, solve the problem that the corrosion resistance of corundum mullite brick formed by different raw material ratio is different. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the local structure schematic diagram of the utility model;

[0017] Figure 3 It is the local explosion structure schematic diagram of the utility model;

[0018] Figure 4 It is the local sectional structure schematic diagram of the utility model;

[0019] Figure 5 It is the structure schematic diagram of the reinforcing coating of the utility model;

[0020] In the drawing: 1, corundum mullite brick body;2, support block;3, heat preservation brick;4, heat preservation cavity;5, reinforcing coating;6, corrosion-resistant coating;7, refractory coating;8, rigid coating;9, protrusion;10, recess;11, filling hole. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described in connection with the drawings in the embodiments of the utility model.

[0022] The utility model provides technical scheme: as Figures 1 to 5 As shown in the figure, in the embodiment, an anti-corrosion corundum mullite brick includes a corundum mullite brick body 1, which is made of corundum particles, mullite powder and sulfurous acid paper pulp waste liquid as raw materials through mixing, pouring molding, drying, calcining and other steps, the weight ratio of the corundum particles, mullite powder and sulfurous acid paper pulp waste liquid in the corundum mullite brick body 1 is 4.5:4.5:1, the corundum mullite brick body 1 is integrally designed with a support block 2 inside, two ends of the corundum mullite brick body 1 are symmetrically installed with heat preservation bricks 3 inside, the heat preservation bricks 3 are polystyrene particle heat preservation mortar, a heat preservation cavity 4 is formed between the support block 2 and the heat preservation bricks 3, the outer side of the corundum mullite brick body 1 and the support block 2 is coated with a reinforcing coating 5, the reinforcing coating 5 includes a corrosion-resistant coating 6, a refractory coating 7 and a rigid coating 8, the outer side of the corundum mullite brick body 1 is provided with the corrosion-resistant coating 6, the corrosion-resistant coating 6 is a nano ceramic material, the outer side of the corrosion-resistant coating 6 is provided with the refractory coating 7, the refractory coating 7 is a silicon carbide material, the outer side of the refractory coating 7 is provided with the rigid coating 8, the rigid coating 8 is a silicon carbide material, the shape of the corundum mullite brick body 1 and the support block 2 is made by mixing, pouring molding, drying, calcining and other steps with corundum particles, mullite powder and sulfurous acid paper pulp waste liquid as raw materials, the heat preservation bricks 3 made of polystyrene particle heat preservation mortar as raw materials are installed on both sides of the corundum mullite brick body 1, which can reduce the quality of the raw materials used by the corundum mullite brick, and further reduce the weight of the corundum mullite brick, at the same time, the heat preservation cavity 4 formed between the support block 2 and the heat preservation bricks 3 can heat insulate the house composed of the corundum mullite brick, which is used to reduce the heat dissipation of the house and improve the heat preservation effect, the corrosion-resistant coating 6 improves the corrosion resistance of the corundum mullite brick, the refractory coating 7 improves the refractory performance of the corundum mullite brick, and the rigid coating 8 improves the rigidity of the surface of the corundum mullite brick, which solves the problem of different corrosion resistance of the corundum mullite brick composed of different raw materials.

[0023] As Figures 1 to 5 The corrosion-resistant coating 6, the refractory coating 7 and the rigid coating 8 are poured and molded by slurry.

[0024] The corrosion-resistant coating 6, the refractory coating 7 and the rigid coating 8 are poured and molded by slurry.

[0025] As Figures 1 to 5As shown, the heat-insulating brick 3 has symmetrical protrusions 9 integrally formed around its four sides, and the corundum mullite brick body 1 has grooves 10 on both sides corresponding to the positions of the protrusions 9. The grooves 10 and the protrusions 9 are fixed together by an adhesive.

[0026] The protrusions 9 and grooves 10 can be used for the assembly and positioning of the insulation brick 3 and the corundum mullite brick body 1.

[0027] like Figures 1 to 5 As shown, the corundum mullite brick body 1 has symmetrically opened filling holes 11 around its perimeter.

[0028] Cement mortar can be filled between two corundum mullite bricks during house construction to further improve the stability between the two corundum mullite bricks.

[0029] This utility model provides a corrosion-resistant corundum mullite brick, the specific working principle of which is as follows:

[0030] When the device is in use, it is made into the shape of corundum mullite brick body 1 and support block 2 by mixing, casting, drying and calcining corundum particles, mullite powder and sulfite pulp waste liquid as raw materials. Then, insulation brick 3 made of polystyrene particle insulation mortar is installed on both sides of corundum mullite brick body 1. This can reduce the weight of the raw materials used in corundum mullite bricks and thus reduce the weight of corundum mullite bricks. At the same time, the insulation cavity 4 formed between support block 2 and insulation brick 3 can insulate the house composed of corundum mullite bricks, reduce the heat dissipation of the house and improve the insulation effect.

[0031] The corrosion resistance of corundum mullite bricks is improved by corrosion-resistant coating 6, the fire resistance of corundum mullite bricks is improved by fire-resistant coating 7, and the surface rigidity of corundum mullite bricks is improved by rigid coating 8.

[0032] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An erosion resistant corundum mullite brick, characterized by: The application relates to a corundum mullite brick body (1), which is internally integrally designed with a supporting block (2), and is internally symmetrically provided with heat-insulating bricks (3) at two ends; a heat-insulating cavity (4) is formed between the supporting block (2) and the heat-insulating bricks (3); and the outer side of the corundum mullite brick body (1) and the supporting block (2) is coated with a reinforcing coating (5).

2. The corrosion resistant corundum mullite brick according to claim 1, characterized in that: The reinforcing coating (5) comprises a corrosion-resistant coating (6), a fire-resistant coating (7) and a rigid coating (8); the outer side of the corundum mullite brick body (1) is provided with the corrosion-resistant coating (6); the outer side of the corrosion-resistant coating (6) is provided with the fire-resistant coating (7); and the outer side of the fire-resistant coating (7) is provided with the rigid coating (8).

3. The corrosion resistant corundum mullite brick according to claim 2, characterized in that: The corrosion-resistant coating (6), the fire-resistant coating (7) and the rigid coating (8) are formed by slurry pouring.

4. The corrosion resistant corundum mullite brick according to claim 1, characterized in that: The heat-insulating bricks (3) are integrally and symmetrically formed with protrusions (9) around the periphery; the corundum mullite brick body (1) is provided with recesses (10) corresponding to the positions of the protrusions (9) on the two sides; and the recesses (10) and the protrusions (9) are fixed by means of adhesive.

5. A corrosion resistant corundum mullite brick according to claim 4, characterized in that: The corundum mullite brick body (1) is symmetrically provided with filling holes (11) around the periphery.

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