SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an ultra-high temperature composite heat preservation is able to bear or endure firebrick for solve or partially solve the problem that current high temperature insulation material can't be applicable to the operating mode of 1000 ℃ and above warm area.
The embodiment of the utility model provides an ultra-high temperature composite heat preservation is able to bear or endure firebrick, include: the fireproof brick comprises a fireproof brick body with a hollow structure, wherein a first heat-insulating material is attached to the inner wall surface of the fireproof brick body, a supporting plate is placed in an area enclosed by the first heat-insulating material, a through groove is formed in the supporting plate, and a second heat-insulating material is filled in a gap of the supporting plate.
On the basis of the technical scheme, the supporting plate is of an I-shaped structure, a square-shaped structure or a square-shaped structure.
On the basis of the technical scheme, the supporting plate is an inorganic plate with a reinforcing rib layer.
On the basis of the technical scheme, a heat-insulating refractory coating layer is arranged between the first heat-insulating material and the inner wall surface of the refractory brick body.
On the basis of the technical scheme, two opposite side surfaces of the refractory brick body are respectively provided with a protrusion and a groove which are matched with each other.
On the basis of the technical scheme, the first heat-insulating material comprises a CAS aluminum magnesium heat-insulating plate or a nano heat-insulating plate.
On the basis of the technical scheme, the first heat-insulating material is wrapped with an aluminum foil film.
On the basis of the technical scheme, the second heat-insulating material comprises composite silicate cotton, glass fiber cotton or ceramic fiber cotton.
On the basis of the technical scheme, the inner wall surface of the refractory brick body and the first heat-insulating material as well as the first heat-insulating material and the second heat-insulating material are bonded through high-temperature-resistant bonding agents.
On the basis of the technical scheme, the refractory brick body is prepared from light clay bricks, light silica bricks or light high-alumina bricks.
In the ultra-high temperature composite heat-insulating refractory brick provided by the embodiment of the utility model, a layer of first heat-insulating material with low heat conductivity coefficient is laid in the refractory brick body to enhance the heat-insulating property of the ultra-high temperature composite heat-insulating refractory brick; the hollow structure can reduce the mechanical property of the ultra-high temperature composite heat-insulating refractory brick, and the I-shaped support plate is arranged in the first heat-insulating material to increase the mechanical strength; the second heat-insulating material is filled in the gap of the supporting plate, so that the heat-insulating performance of the ultra-high temperature composite heat-insulating refractory brick is in a temperature region above 1000 ℃, and the purposes of high efficiency and economy are achieved. The ultra-high temperature composite heat-insulating refractory brick provided by the embodiment of the utility model can fully utilize the advantageous temperature zones of different heat-insulating materials, and can efficiently and economically exert the heat-insulating effect; the internal support plate increases mechanical strength; the heat-insulating material has the characteristics of low heat conductivity coefficient, good heat-insulating effect, good fire resistance and water resistance and high mechanical strength.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The service temperature of the fireproof heat-insulating brick is 1000-1500 ℃, but the heat conductivity coefficient of the existing fireproof heat-insulating brick is large, and the adjacent fireproof heat-insulating bricks easily slide relatively to each other, so that the structure is unstable. In order to solve the problem of relative sliding, the surface of the common fireproof heat-insulating brick is pressed with grains which are butted with the grains of the adjacent fireproof heat-insulating brick. But the grains are easy to shift, so that the grains cannot be butted, and the grains need to be aligned during laying, which is inconvenient.
As shown in fig. 1 and 2, the ultra-high temperature composite heat-insulating refractory brick of the embodiment of the present invention comprises: the refractory brick body 3 is of a hollow structure, a first heat-insulating material 5 is attached to the inner wall surface of the refractory brick body 3, a supporting plate 6 is placed in the area enclosed by the first heat-insulating material 5, a through groove is formed in the supporting plate 6, and a second heat-insulating material 7 is filled in the gap of the supporting plate 6.
The firebrick body 3 is made of light clay brick, light silica brick or light high alumina brick.
It will be understood that in order to increase the mechanical strength of the ultra-high temperature composite insulating refractory brick, a support plate 6 is placed in the area enclosed by the first insulating material 5; through grooves are formed in the supporting plate 6, so that the supporting plate is of an I-shaped structure, a square-shaped structure or a square-shaped structure.
The following description will be given taking an example in which the support plate has an I-shaped structure. A supporting plate 6 with an I-shaped structure is placed in the area enclosed by the first heat-insulating material 5, a second heat-insulating material 7 is filled in the gap of the supporting plate 6, and the second heat-insulating material 7 is attached to the first heat-insulating material 5. In order to better increase the mechanical strength of the ultra-high temperature composite heat-insulating refractory brick, a plurality of sequentially connected I-shaped supporting plates 6 are arranged in the area enclosed by the first heat-insulating material 5.
In the embodiment of the utility model, a layer of first heat-insulating material 5 with low heat conductivity coefficient is laid in the refractory brick body 3 to enhance the heat-insulating performance of the ultra-high temperature composite heat-insulating refractory brick; the hollow structure can reduce the mechanical performance of the ultra-high temperature composite heat-insulating refractory brick, and the support plate 6 with the I-shaped structure is arranged in the first heat-insulating material 5 to increase the mechanical strength; the second heat-insulating material 7 is filled in the gap of the supporting plate 6, so that the heat-insulating performance of the ultra-high temperature composite heat-insulating refractory brick is in a temperature range of more than 1000 ℃, and the purposes of high efficiency and economy are achieved. The ultra-high temperature composite heat-insulating refractory brick provided by the embodiment of the utility model can fully utilize the advantageous temperature zones of different heat-insulating materials, and can efficiently and economically exert the heat-insulating effect; the internal support plate increases mechanical strength; the heat-insulating material has the characteristics of low heat conductivity coefficient, good heat-insulating effect, good fire resistance and water resistance and high mechanical strength.
In addition to the above embodiments, the supporting plate 6 is a reinforcing rib layer inorganic plate.
In order to improve the mechanical strength of the ultra-high temperature composite heat-insulating refractory brick, the support plate 6 is an inorganic plate with a reinforcing rib layer with higher mechanical strength.
In addition to the above embodiment, a heat insulating refractory coating layer is provided between the first heat insulating material 5 and the inner wall surface of the firebrick body 3.
In order to achieve high temperature resistance, non-deformation, and enhanced heat retaining performance, a layer of heat retaining refractory material is sprayed on the inner surface of the refractory block body 3 before the first heat retaining material 5 is attached to the inner surface of the refractory block body 3.
On the basis of the above embodiment, the firebrick body 3 is respectively configured with the matched protrusion 2 and the groove 1 on two opposite sides.
As shown in fig. 1, the top and left surfaces of the firebrick body 3 are provided with the protrusions 2, and the right and bottom surfaces of the firebrick body 3 are provided with the grooves 1. The number and the size of the bulges 2 and the grooves 1 are determined according to the size of the ultra-high temperature composite heat-insulating refractory brick, generally, the number of the top surface and the bottom surface is not less than two, and the number of the left surface and the right surface is not less than one. Meanwhile, the cross-sectional shapes of the protrusion 2 and the groove 1 can be changed according to different use requirements, such as a rectangle, a trapezoid, a circular arc, and the like, and are not particularly limited herein. When the ultra-high temperature compound heat-preservation refractory bricks are laid, the grooves and the protrusions of the adjacent ultra-high temperature compound heat-preservation refractory bricks are aligned and assembled, and the ultra-high temperature compound heat-preservation refractory bricks are convenient to install and are not easy to slide.
The embodiment of the utility model provides an in, through set up protruding 2 and recess 1 on resistant firebrick's of ultra-high temperature compound incubation lateral wall for adjacent resistant firebrick's of ultra-high temperature compound incubation connection is more firm, avoids squinting, increases holistic stability, and is convenient for lay.
On the basis of the above embodiment, the first heat-insulating material 5 includes a CAS aluminum magnesium heat-insulating plate or a nano heat-insulating plate.
It should be noted that the first heat-insulating material 5 may be a material with better heat-insulating property, such as a CAS aluminum magnesium heat-insulating plate, a nano heat-insulating plate, or the like.
On the basis of the above embodiment, the first heat insulating material 5 is externally wrapped with the aluminum foil film 4.
The first heat insulating material 5 is covered with the aluminum foil film 4 to reflect radiation, prevent water, and increase strength.
On the basis of the above embodiment, the second thermal insulation material 7 includes composite silicate cotton, glass fiber cotton or ceramic fiber cotton.
It should be noted that the second thermal insulation material 7 may be selected from composite silicate cotton, glass fiber cotton, ceramic fiber cotton and other low-cost thermal insulation materials.
In the above embodiment, the inner wall surface of the firebrick body 3 and the first heat insulating material 5 and the second heat insulating material 7 are bonded to each other by the high-temperature resistant adhesive.
In order to improve the structural strength and stability, the heat-insulating refractory coating layer and the first heat-insulating material 5 are bonded by a high-temperature-resistant adhesive, the first heat-insulating material 5 and the second heat-insulating material 7 are bonded by a high-temperature-resistant adhesive, and the second heat-insulating material 7 and the support plate 6 are bonded by a high-temperature-resistant adhesive.
It is understood that the high temperature-resistant adhesive layer comprises, by mass, 100 parts of bisphenol A type EP01441-310 epoxy resin, 10 parts of liquid nitrile rubber, 50 parts of corundum powder, and 10 parts of 2-ethyl-4-methylimidazole, and no other solvent is added. The high-temperature resistant adhesive is prepared by stirring and mixing the components.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.