JPH1025170A - Ceramic composite plate having high strength and its production - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a safe, lightweight and heat-resistant high-strength ceramic composite plate having high residual strength even in breakage by using fly ash as a main raw material. SOLUTION: This ceramic composite plate is obtained by embedding a mesh sheet made of a heat-resistant material, e.g. a stainless mesh sheet 2 into a substrate obtained by mixing a fly ash as a main raw material with a binder and baking the substrate in which the mesh sheet is embedded at 500-1300 deg.C to integrate the substrate with the mesh sheet. A substrate obtained by adding 2-30 pts.wt. binder and further, 10-30 pts.wt. refractory fine aggregate to 100 pts.wt. fly ash is preferably used as the substrate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-strength ceramic composite plate mainly composed of fly ash, which is industrial waste discharged from lime-fired power plants, refuse incinerators, etc. The high-strength mesh sheet made of heat-resistant material is embedded inside a ceramic material mainly composed of fly ash, has a high residual strength even when broken, and is safe and lightweight without the ceramic material and mesh sheet being separated. The present invention relates to a low-cost elastic high-strength ceramic composite plate and a method for manufacturing the same.

[0002]

2. Description of the Related Art Development of building boards using fly ash as a raw material has been continued, but most products have a compounding ratio of about 20 to 40%. It is used as an admixture or as a substitute for ceramic raw materials.

On the other hand, the size of a commercially available ceramic tile, which is about 900 mm × 600 mm at present, is the largest, but the product cost is high and damage due to scattering of fragments due to impact strength is large.

Recently, large boards made of natural stone such as 1
Although the one having a size of about 800 mm × 900 mm is on the market, it is extremely expensive in terms of cost. Moreover, natural stones are mostly imported products, and the slicing process takes a long time and generates a large amount of cut powder and waste stones. In addition, since the specific gravity of the material is large, a large amount of labor, attention, and a long time are required when constructing the large-sized board. Under such circumstances, it is desired to supply large-sized, lightweight, and highly destructive plate materials for structures at low cost and in large quantities, and to effectively utilize fly ash, which is a large amount of industrial waste generated. Was desired.

[0005]

Means for Solving the Problems The inventors of the present invention have conducted intensive studies to solve the above-mentioned problems, and as a result, a heat-resistant material which is a high-strength, thin plate-like material and is substantially located at the center of a ceramic body mainly composed of fly ash. A high-strength ceramic composite plate in which a mesh sheet made by embedding and sintering, for example, a large stainless steel mesh sheet is embedded, for example, 900 mm wide and 6 m thick
m, a flat body of about 900 mm, 1,800 mm or 2,400 mm in length, and a bulk specific gravity of 1.7 to 1.85 g by embedding a stainless steel mesh sheet having a product bending strength of about 250 to 350 kgf / cm ^2. / Cm ³
A high-strength ceramic composite plate and its manufacturing method have been developed.

That is, the present invention is as follows. (1) A mesh sheet made of a heat-resistant material is buried in a base material which is mainly made of fly ash with a binder added and mixed, and is integrated by firing at 500 to 1300 ° C. High strength ceramic composite plate. (2) Binder 2 to 100 parts by weight of fly ash
A mesh sheet made of a heat-resistant material is buried in a base material obtained by mixing 30 parts by weight, and they are at 500 to 1300 ° C.
A high-strength ceramic composite plate characterized by being integrated by firing. (3) Base is 100 parts by weight of fly ash,
The high-strength ceramic composite plate according to claim 1 or 2, further comprising 10 to 30 parts by weight of a refractory fine aggregate. (4) Base is 100 parts by weight of fly ash,
The high-strength ceramic composite plate according to any one of claims 1 to 3, wherein one or more of the following material powders are added in the following range. Wollastonite powder 5 to 15 parts by weight Blast furnace slag powder 5 to 15 parts by weight Silica fine powder 5 to 15 parts by weight Kaolin fine powder 5 to 15 parts by weight (5) For 100 parts by weight of fly ash, metal fiber, glass fiber, The high-strength ceramic composite plate according to any one of claims 1 to 4, wherein one or more of carbon fibers and ceramic fibers are added in an amount of 5 to 10 parts by weight. (6) The high-strength ceramic composite plate according to any one of claims 1 to 5, wherein the firing temperature is 850 to 1100 ° C. (7) The high-strength ceramic composite plate according to any one of claims 1 to 6, wherein the mesh sheet made of a heat-resistant material is a stainless steel mesh sheet.

(8) 2 to 30 parts by weight of a binder are added to and mixed with 100 parts by weight of fly ash, and a mesh sheet made of a heat-resistant material is embedded in the mixture and compression-molded into a plate shape. A method for producing a high-strength ceramic composite plate, comprising firing the body at 500 to 1300C. (9) 10 to 30 parts by weight of refractory fine aggregate and 2 to 30 parts by weight of binder are added to and mixed with 100 parts by weight of fly ash, and a mesh sheet made of a heat-resistant material is embedded in the mixture. Compression molding, and then the molded body is
A method for producing a high-strength ceramic composite plate, characterized by firing at 〜1300 ° C. (10) To 100 parts by weight of fly ash, one or more of the following material powders are added and mixed in the following range, and a mesh sheet made of a heat-resistant material is embedded in the mixture and compression molded into a plate shape. After that, the molded body is placed in a range of 500 to 13
The method for manufacturing a high-strength ceramic composite plate according to claim 8, wherein the firing is performed at 00 ° C. 11. Wollastonite powder 5 to 15 parts by weight Blast furnace slag powder 5 to 15 parts by weight Silica fine powder 5 to 15 parts by weight Kaolin fine powder 5 to 15 parts by weight (11) For 100 parts by weight of fly ash, metal fiber, glass fiber, The high-strength ceramic composite plate according to any one of claims 8 to 10, wherein 5 to 10 parts by weight of one or more of carbon fibers and ceramic fibers are added and mixed to obtain a mixture. Method. (12) The mesh sheet made of a heat-resistant material is a stainless steel mesh sheet.
The method for producing a high-strength ceramic composite plate according to any one of the above.

(13) The method for producing a high-strength ceramic composite plate according to any one of claims 8 to 12, wherein at least a part of the binder is a sintering agent. (14) The method for producing a high-strength ceramic composite plate according to any one of claims 8 to 13, wherein the binder is an organic binder and / or an inorganic binder. (15) The method for producing a high-strength ceramic composite plate according to claim 14, wherein the inorganic binder contains water glass. (16) After the mixture is evenly supplied and set on the upper and lower surfaces of the mesh sheet made of a heat-resistant material, the upper and lower surfaces are rolled by rolls and compression-molded into a plate shape.
The method for manufacturing a high-strength ceramic composite plate according to any one of claims 8 to 15, wherein the firing is performed at 0 ° C. (17) The method for producing a high-strength ceramic composite plate according to any one of claims 8 to 16, wherein the firing temperature is 850 to 1100 ° C. (18) The method for producing a high-strength ceramic composite plate according to any one of claims 14 to 17, wherein the inorganic binder is a mixture of the following (a) to (d). (A) Aqueous sodium silicate solution (water glass No. 1): 60
0 to 1,200 parts by weight, (b) aluminum hydroxide 10
-30 parts by weight, zinc oxide 20-50 parts by weight, wollastonite 20
100 to 100 parts by weight of a mixture consisting of 50 to 50 parts by weight of kaolin and 40 to 60 parts by weight of water mixed with 40 to 60 parts of water: 150 to 250 parts by weight, (c) 33% aqueous solution of sodium aluminate: 100 to 150 parts by weight Parts by weight, (d) 10% aqueous solution of boric acid: 200 to 300 parts by weight.

The fly ash used as a main raw material in the present invention is discharged in large quantities from coal-fired power plants and the like. The spread of its use is being studied diligently. The component composition of fly ash is, for example, SiO ₂ : 50 to 68%, Al ₂ O ₃ : 20 to 35%,
Fe ₂ O ₃ : 2 to 7%, CaO: 0.6 to 7%, Mg
_{O: 0.2~2%, Na 2 O} : 0.1~2%, K 2 O:
0.3-1.5%, Ig. loss: 2 to 4%, shape is spherical, particle size is 5 to 30 mm, and the material is vitreous. Therefore, fly ash
Good rolling properties, excellent filling properties, and good sinterability.

In the production of the ceramic composite plate of the present invention, first, a small amount of a binder (binder) such as corn starch, CMC, water glass and the like are added to fly ash and mixed in order to impart moldability. The mesh sheet is embedded and pressed into a plate-like shape. As the binder for pressure molding, organic binders such as corn starch, CMC, sodium alginate, PVA, polyacrylic emulzine, and polyhydric alcohol wax are usually used. An inorganic material gel such as water glass or alumina gel is used as a binder also serving as a sintering agent for sintering. As the sintering agent, inorganic materials such as fluorite, glass powder, glass powder for producing crystallized glass, and glaze are used. In the present invention, a fire-resistant fine aggregate can be further provided. As such refractory fine aggregate, for example, slag, chamotte, and the like can be adopted, and a ceramic composite plate obtained by arranging and sintering them has high mechanical strength and heat resistance. .

As the mesh sheet made of a heat-resistant material, those made of ceramic fiber, heat-resistant metal, carbon fiber and the like are used. For example, the shape of the stainless mesh sheet is the thickness of the ceramic composite plate according to the present invention. However, when the thickness is around 6 mm, the diameter of the stainless wire is preferably about 0.3 to 0.5 mm, and the opening of the mesh is 5 to 5.
About 15 mm is desirable. Further, in the present invention, while enhancing the bending strength of the obtained product,
In order to increase the impact resistance due to the increase in the residual strength, it is preferable to obtain a mixture obtained by further adding 5 to 10 parts by weight of a heat-resistant fiber, for example, a metal fiber, to the mixture. The shape of the heat-resistant fiber is about 7 μm in diameter and 3-6 mm in length.
General-purpose products before and after are sufficient, but processing of the fiber surface with an organic substance is not desirable in view of adhesive strength, and single fibers that are not bundled are preferable.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention is shown in FIG. 1 (a side view).
It will be described based on. For example, after adding and mixing 2 to 30 parts by weight of binder to 100 parts by weight of fly ash,
Depending on the thickness of the ceramic molded body on the conveyor sheet 3 during transportation of the mixture material 1 extruded and coarsened, for example, when the thickness is about 6 mm, the thickness is 15 to 18 mm, and the thickness is about 9 mm. In this case, the material is supplied at a constant width with a thickness of 24 to 26 mm. On the other hand, a mesh sheet made of a heat-resistant material, for example, a stainless steel mesh sheet 2 depends on the length of the ceramic molded body, but is 2,10 mm for 1,800 mm, for example.
It is cut in advance to a length of 0 to 2200 mm.
Insert and supply so as to maintain the height. Conveyor sheet 3
Above, the mixture material 1 is deposited on the upper and lower portions of the stainless mesh sheet 2, that is, the stainless mesh sheet is buried in the mixture material 1 to form a sandwich. The sandwich-like material is moved rightward by the conveyor sheet 3 being transported, adjusted in thickness by a leveling plate 4, and inserted into a compression molding machine, for example, between rolling rolls 5, 5. In this case, the rolling roll 5 has the same diameter on both the upper and lower sides, and is preferably rolled twice. Preferably, the main rolling is performed at a pressure of 50 to 70 kgf / cm ² at the first time, and the thickness is changed at the second time. To make a plate state. By this rolling, the width and thickness are adjusted, strong adhesion to the stainless steel mesh sheet is achieved, and the base composition of the ceramic molded body is homogenized. Immediately after the compaction by the compacting rolls, it is transferred to the drying device 6 and dried at a temperature of 100 to 120 ° C. The dried composite plate 7 that has been dried in this process is roughly cut to a predetermined width and length by a cutter (not shown). Next, the dried composite plate 7 may be transferred to a heating furnace (not shown) and subjected to a heat treatment at a temperature of 250 ° C to 400 ° C. The dried composite plate or the dried / heated composite plate which has been dried or dried / heated as described above is transferred to a firing furnace (not shown) and fired at a temperature of 500 to 1300 ° C, preferably 850 to 1100 ° C. It is processed. In the above case, the speed of the forming, drying, heating, and firing treatment of the composite plate is tuned to about 1 m per minute, so that a high-strength ceramic composite plate as a final product is continuously manufactured.

[0013]

Next, an embodiment of manufacturing a high-strength ceramic composite plate according to the present invention will be described with reference to FIG. Example 1 A base mixture was prepared by uniformly mixing the following raw materials. 75 parts by weight of fly ash 5 parts by weight of blast furnace water-soluble slag (# 80F) 20 parts by weight of chamotte (# 100F), and 6 parts by weight of the following sintering agent and binder for 100 parts by weight of the above mixture After the addition and mixing, the mixture was extruded to produce a coarse-grained mixture material 1. Sintering agent: Fluorite powder (# 325F) 4 parts by weight Binder: Cecil alcohol 1.5 parts by weight Binder: Isoban (trade name, manufactured by Kuraray Co., Ltd.) 4 parts by weight The mixture material 1 is shown in FIG. Using the manufacturing apparatus shown, a constant width was supplied at a thickness of 24 to 26 mm on the conveyor sheet 3 being transported. On the other hand, the stainless mesh sheet 2 is cut in advance into a length of 2100 to 2200 mm, and the mixture material 1 is kept at a height of about 8 mm above the conveyor sheet 3.
Was inserted and supplied to the supply section. The mixture material 1 was deposited on the upper and lower portions of the stainless steel mesh sheet 2 on the conveyor sheet 3 to form a sandwich. The sandwich-like material is moved rightward by a conveyor sheet 3 in a transporting direction 1, the thickness thereof is adjusted by a leveling plate 4, and the sheet-like material is inserted between the rolling rollers 5, 5, and is pressed at a pressure of about 60 kgf / cm ^2. And By this rolling, the width and thickness were adjusted, the solid adhesion with the stainless steel mesh sheet was achieved, and the base composition of the ceramic molded body was homogenized. Immediately after the compaction by the compacting roll, it was transferred to the drying device 6 and dried at a temperature of 120 ° C.
The dried composite plate 7 dried in this process was roughly cut by a cutter to a predetermined width and length. Further, the dried composite plate 7 was transferred to a heating furnace (not shown) and subjected to a heat treatment at a temperature of 250 ° C. The heated composite plate heated in this process was transferred to a firing furnace (not shown) and fired at a temperature of 1050 ° C. Thus, a high-strength ceramic composite plate in which the stainless steel mesh sheet was embedded was manufactured. The manufactured high-strength ceramic composite plate has a bulk specific gravity of 1.7 to 1.75 g.
/ Cm ³ , water absorption rate is 11.0% or less, bending strength
It was 250 kgf / cm ² or more. The manufactured high-strength ceramic composite plate was preferable as an interior material in a building.

Example 2 First, a base mixture was prepared by uniformly mixing the following raw materials. Fly ash 72 parts by weight Blast furnace slag fine powder 8 parts by weight Silica fine powder 5 parts by weight Kaolin fine powder 5 parts by weight Wollastonite powder 10 parts by weight Then, the following binder 19 parts by weight is added and mixed with 100 parts by weight of the above mixture. After that, the mixture was extruded to produce a coarse-grained mixture material 1. [Production of binder] The following (a) to (d) are mixed. (A) Aqueous sodium silicate solution (water glass No. 1): 60
0 to 1,200 parts by weight, (b) aluminum hydroxide 10
-30 parts by weight, zinc oxide 20-50 parts by weight, wollastonite 20
100 to 100 parts by weight of a mixture consisting of 50 to 50 parts by weight of kaolin and 40 to 60 parts by weight of water mixed with 40 to 60 parts of water: 150 to 250 parts by weight, (c) 33% aqueous solution of sodium aluminate: 100 to 150 parts by weight Parts by weight, (d) 10% aqueous solution of boric acid: 200 to 300 parts by weight.

The mixture material 1 is placed on a conveyor sheet 3 being fed using the manufacturing apparatus shown in FIG.
And a constant width was supplied. On the other hand, the stainless mesh sheet 2 is cut into a length of 2100 to 2200 mm in advance, and the mixture material 1 is placed on the conveyor sheet 3 inserted into the supply section of the mixture material 1 while maintaining a height of about 8 mm above the conveyor sheet 3. It was deposited on the upper and lower portions of the mesh sheet 2 to form a sandwich. The sandwich-like material is moved rightward by feeding 1 of the conveyor sheet 3,
Adjust the thickness with the leveling plate 4 and insert it into the compacting roll for approx.
A plate was formed at a pressure of gf / cm ² . By this rolling, the width and thickness were adjusted, the solid adhesion with the stainless steel mesh sheet was achieved, and the base composition of the ceramic molded body was homogenized. Immediately after the compaction by the compacting roll, the drying device 6
And dried at a temperature of 120 ° C. The dried composite plate 7 dried in this process was roughly cut by a cutter to a predetermined width and length. Further, the dried composite plate 7 was transferred to a heating furnace (not shown) and heat-treated at a temperature of 250 ° C. The heated composite plate heated in this process was transferred to a firing furnace (not shown) and fired at a temperature of 1050 ° C. Thus, a high-strength ceramic composite plate in which the stainless steel mesh sheet was embedded was manufactured. The manufactured high-strength ceramic composite plate has a bulk specific gravity of 1.8 to 1.85 g / c.
m ³ , water absorption 9.0% or less, bending strength 3
It was 00 kgf / cm ² or more. The manufactured high-strength ceramic composite plate was preferable as an interior material or an exterior material in a building.

Example 3 A base mixture was prepared by uniformly mixing the following raw materials. 72 parts by weight of fly ash 8 parts by weight of blast furnace slag powder 5 parts by weight of fine silica powder 5 parts by weight of fine kaolin powder 10 parts by weight of wollastonite powder
After 9 parts by weight were added and mixed, the mixture was extruded to produce a coarse-grained mixture material 1. [Production of binder] The following (a) to (d) are mixed. (A) Aqueous sodium silicate solution (water glass No. 1): 60
0 to 1,200 parts by weight, (b) aluminum hydroxide 10
-30 parts by weight, zinc oxide 20-50 parts by weight, wollastonite 20
100 to 100 parts by weight of a mixture consisting of 50 to 50 parts by weight of kaolin and 40 to 60 parts by weight of water added and mixed: 150 to 250 parts by weight, (c) 33% aqueous solution of sodium aluminate: 100 to 150 Parts by weight, (d) 10% aqueous solution of boric acid: 200 to 300 parts by weight.

The mixture material 1 was supplied at a constant width of 15 to 18 mm on the conveyor sheet 3 being fed using the manufacturing apparatus shown in FIG. On the other hand, the stainless mesh sheet 2 is previously cut to a length of 2,100 to 2,200 mm, and while maintaining the height of about 5 mm above the conveyor sheet 3, the mixture material 1 is deposited on the upper and lower portions of the stainless mesh sheet 2 and sanded. A witch was used. The sandwich is moved to the right by transporting the conveyor sheet 3, the thickness is adjusted by the leveling 4, and the sandwich is inserted between the rolling rollers 5, 5.
It was rolled at a pressure of kgf / m ² to form a plate. By this rolling, the width and thickness were adjusted, the solid adhesion with the stainless steel mesh sheet was achieved, and the base composition of the ceramic molded body was homogenized. Immediately after the compaction by the compacting roll, the drying device 6
And dried at a temperature of 120 ° C. The dried composite 7 dried in this process was roughly cut by a cutter to a predetermined width and length. Further, the dried composite 7 was transferred to a heating furnace (not shown) and heat-treated at a temperature of 400 ° C.
The heating complex thus obtained is transferred to a glaze machine (not shown), and the surface is coated with pongee, and then fired in a furnace (not shown).
And fired at 1050 ° C. In this way, a stainless steel mesh sheet was buried, and a high-strength ceramic composite having a glaze applied to the surface was produced. The manufactured high-strength ceramic composite had a bulk specific gravity of 1.8 to 1.85 g / cm ^{3, a} water absorption of 16% or less, and a bending strength of 250 kgf / cm ² or more. The manufactured high-strength ceramic composite was preferred as a building interior material.

[0018]

[0019]

According to the present invention described above, the following excellent functions and effects are exhibited. . By using fly ash as the main raw material,
Since the particle shape is spherical and vitreous, during the production of the ceramic plywood, it is excellent in filling property, easy to mix and mold, and has good sinterability, dense at relatively low temperature. Products can be obtained. . The high-strength ceramic composite plate obtained by the present invention,
Even if a physical impact is received, the reinforcing effect by the mesh sheet is exerted, so that the mesh sheet is hardly broken, and even if broken, it is safe because it does not scatter as fragments. . Since the high-strength ceramic composite plate obtained by the present invention uses inexpensive fly ash as a main raw material, the production cost of the product can be significantly reduced as compared with the conventional product. The invention of the present application also opens a large path for the effective use of fly ash that has been discarded in large quantities. . According to the present invention, the high-strength ceramic composite plate can be a large one, which is unprecedented in conventional ceramic tiles, for example, 900 mm wide and 900 mm, 1,800 mm or 2,400 mm long. . The high-strength ceramic composite plate obtained by the present invention has a bulk specific gravity of 1.7 to 1.85 g / cm ³ , and can be reduced in weight by 20% or more as compared with general ceramic tiles, and can be easily constructed.

[Brief description of the drawings]

FIG. 1 is a side view of an apparatus for manufacturing a high-strength ceramic composite plate according to an embodiment of the present invention.

[Explanation of symbols]

 1: Coarse and granular mixture material 2: Stainless steel mesh sheet 3: Conveyor sheet 4: Leveling plate 5: Rolling roll 6: Drying device 7: Dry composite plate

Claims (18)

[Claims] 1. A heat resistant material mesh sheet is buried in a base material which is mainly made of fly ash with a binder added thereto and mixed, and is integrated by firing at 500 to 1300 ° C. High strength ceramic composite board. 2. A heat-resistant material mesh sheet is embedded in a base material obtained by mixing 2 to 30 parts by weight of a binder with 100 parts by weight of fly ash, and they are 500 to 13 parts by weight.
A high-strength ceramic composite plate which is integrated by firing at 00 ° C. 3. The high-strength material according to claim 1, wherein the base is obtained by further adding 10 to 30 parts by weight of refractory fine aggregate to 100 parts by weight of fly ash. Ceramic composite board. 4. The base according to claim 1, wherein one or more of the following material powders are added in the following range to 100 parts by weight of fly ash. A high-strength ceramic composite plate according to item 1. Wollastonite powder 5 to 15 parts by weight Blast furnace slag powder 5 to 15 parts by weight Silica fine powder 5 to 15 parts by weight Kaolin fine powder 5 to 15 parts by weight 5. A method according to claim 1, wherein one or more of metal fibers, glass fibers, carbon fibers and ceramic fibers are added in an amount of 5 to 10 parts by weight based on 100 parts by weight of fly ash. Item 5. A high-strength ceramic composite plate according to any one of Items 1 to 4. 6. The high-strength ceramic composite plate according to claim 1, wherein the firing temperature is 850 to 1100 ° C. 7. The high-strength ceramic composite plate according to claim 1, wherein the heat-resistant material mesh sheet is a stainless steel mesh sheet. 8. Addition and mixing of 2 to 30 parts by weight of a binder to 100 parts by weight of fly ash, embedding a mesh sheet made of a heat-resistant material in the mixture, compression molding into a plate,
A method for producing a high-strength ceramic composite plate, comprising firing the molded body at 500 to 1300 ° C. 9. A mixture of 10 to 30 parts by weight of a refractory fine aggregate and 2 to 30 parts by weight of a binder is mixed with 100 parts by weight of fly ash, and a mesh sheet made of a heat-resistant material is embedded in the mixture. A method for producing a high-strength ceramic composite plate, comprising compression-molding into a plate shape, and then firing the molded body at 500 to 1300 ° C. 10. With respect to 100 parts by weight of fly ash,
After one or more of the following material powders are added and mixed in the following range, a mesh sheet made of a heat-resistant material is embedded in the mixture and compression-molded into a plate shape.
10. Baking at 1300 ° C.
3. The method for producing a high-strength ceramic composite plate according to item 1. Wollastonite powder 5 to 15 parts by weight Blast furnace slag powder 5 to 15 parts by weight Silica fine powder 5 to 15 parts by weight Kaolin fine powder 5 to 15 parts by weight 11. With respect to 100 parts by weight of fly ash,
11. The mixture according to claim 8, wherein one or more of metal fibers, glass fibers, carbon fibers, and ceramic fibers are added and mixed in an amount of 5 to 10 parts by weight to obtain a mixture. Manufacturing method of high strength ceramic composite plate. 12. The method according to claim 8, wherein the mesh sheet made of a heat-resistant material is a stainless steel mesh sheet. 13. The method according to claim 8, wherein at least a part of the binder is a sintering agent. 14. The method for producing a high-strength ceramic composite plate according to claim 8, wherein the binder is an organic binder and / or an inorganic binder. 15. The method for producing a high-strength ceramic composite plate according to claim 14, wherein the inorganic binder contains water glass. 16. After the mixture is evenly supplied and set on the upper and lower surfaces of the mesh sheet made of a heat-resistant material, the upper and lower surfaces are rolled by rolls and compression-molded into a plate shape.
The method for producing a high-strength ceramic composite plate according to any one of claims 8 to 15, wherein the firing is performed at 1300 ° C. 17. The method for producing a high-strength ceramic composite plate according to claim 8, wherein the firing temperature is 850 to 1100 ° C. 18. The method for producing a high-strength ceramic composite plate according to claim 14, wherein the inorganic binder is a mixture of the following (a) to (d). (A) Aqueous sodium silicate solution (water glass No. 1): 60
0 to 1,200 parts by weight, (b) aluminum hydroxide 10
-30 parts by weight, zinc oxide 20-50 parts by weight, wollastonite 20
100 to 100 parts by weight of a mixture consisting of 50 to 50 parts by weight of kaolin and 40 to 60 parts by weight of water mixed with 40 to 60 parts of water: 150 to 250 parts by weight, (c) 33% aqueous solution of sodium aluminate: 100 to 150 parts by weight Parts by weight, (d) 10% aqueous solution of boric acid: 200 to 300 parts by weight.