JPH02145491A - Porous ceramic plate - Google Patents
Porous ceramic plateInfo
- Publication number
- JPH02145491A JPH02145491A JP29645688A JP29645688A JPH02145491A JP H02145491 A JPH02145491 A JP H02145491A JP 29645688 A JP29645688 A JP 29645688A JP 29645688 A JP29645688 A JP 29645688A JP H02145491 A JPH02145491 A JP H02145491A
- Authority
- JP
- Japan
- Prior art keywords
- porous ceramic
- ceramic plate
- heat
- fibers
- raw material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 46
- 239000012210 heat-resistant fiber Substances 0.000 claims abstract description 19
- 239000008188 pellet Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 238000010304 firing Methods 0.000 claims description 8
- 239000011435 rock Substances 0.000 abstract description 6
- 239000011521 glass Substances 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000005306 natural glass Substances 0.000 abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 2
- 238000001354 calcination Methods 0.000 abstract 2
- 238000005453 pelletization Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は多孔質セラミック板に関する。さらに詳しくは
、耐熱性繊維で補強されており、高弾性でフレキシビリ
ティ−に富んだ多孔質セラミック板に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to porous ceramic plates. More specifically, the present invention relates to a porous ceramic plate that is reinforced with heat-resistant fibers, has high elasticity, and is highly flexible.
〔従来の技術］
多孔質セラミック板は、軽量で取扱いが容易であり、保
温性、耐火性、耐久性などに優れているため、近年、プ
レハブ住宅などに用いられつつある。[Prior Art] Porous ceramic plates are lightweight, easy to handle, and have excellent heat retention, fire resistance, durability, and the like, so they have been increasingly used in prefabricated houses and the like in recent years.
かかる多孔質セラミック板は、一般に天然ガラス、人ニ
ガラス、多孔質火山岩、火成岩、堆積岩、凝灰岩などを
主原料とし、これらを加熱発泡せしめ、その後えられた
多孔質セラミック板を加圧ローラなどで加圧して融着さ
せ同時に成形することでえられる。Such porous ceramic plates are generally made from natural glass, human glass, porous volcanic rock, igneous rock, sedimentary rock, tuff, etc. as main raw materials, which are heated and foamed, and then the resulting porous ceramic plate is pressed with a pressure roller or the like. It is obtained by pressing, fusing, and molding at the same time.
［発明が解決しようとする課題］
しかしながら、従来の多孔質セラミック板は前記後れた
長所を有する半面弾性に乏しく、もろいため、端部が欠
けやすいという問題や、割れが発生しやすいという問題
があり、その取り扱いに注意を要していた。また、かか
る事情により面積の大きな多孔質セラミック板を製造す
ることができず、多孔質セラミック板の用途力□（限ら
れるという問題がある。[Problems to be Solved by the Invention] However, while the conventional porous ceramic plate has the above-mentioned disadvantages, it has poor planar elasticity and is brittle, so there are problems in that the edges are easily chipped and cracks occur easily. Therefore, care must be taken when handling it. Furthermore, due to such circumstances, it is not possible to produce a porous ceramic plate with a large area, and there is a problem that the application capacity of the porous ceramic plate is limited.
本発明は、前記の点に鑑み、欠けや割れなどの発生しに
くい高弾性の多孔質セラミック板を提供することを目的
とする。In view of the above points, the present invention aims to provide a highly elastic porous ceramic plate that is less prone to chipping or cracking.
［課題を解決するための手段］
本発明の多孔質セラミック板は、発泡性無機質原料をペ
レット化したものを焼成炉内で加熱、押圧してえられる
多孔質セラミック板であって、前記ペレットが耐熱性繊
維を含むことを特徴としている。[Means for Solving the Problems] The porous ceramic plate of the present invention is a porous ceramic plate obtained by heating and pressing pelletized foamable inorganic raw materials in a firing furnace, wherein the pellets are It is characterized by containing heat-resistant fibers.
［実施例］
つぎに図面に基づき本発明の多孔質セラミック板を説明
する。[Example] Next, the porous ceramic plate of the present invention will be explained based on the drawings.
第１図は本発明の多孔質セラミック板を製造する工程の
概略説明図、第２図は本発明の多孔質セラミック板を製
造する際に用いられる原料ベレットの概略説明図である
。FIG. 1 is a schematic explanatory diagram of the process of manufacturing the porous ceramic plate of the present invention, and FIG. 2 is a schematic explanatory diagram of a raw material pellet used in manufacturing the porous ceramic plate of the present invention.
第１図において（１）は焼成炉であって該焼成炉内には
多孔質セラミック板（２）を搬送するベルトコンベア（
３）が設置されている。該ベルトコンベア（３）は、発
泡時の揮発成分を上下面がら均一拡散させ、かつ、上下
面ともに均一な熱伝達を行なうためメツシュ状のものを
用いるのが好ましく、たとえばステンレスメツシュベル
トにセラミックコーティングしたもの、セラミックベル
トなどが用いられる。In Fig. 1, (1) is a firing furnace, and inside the firing furnace is a belt conveyor (2) that conveys a porous ceramic plate (2).
3) is installed. The belt conveyor (3) is preferably mesh-shaped in order to uniformly diffuse volatile components during foaming from the upper and lower surfaces and to perform uniform heat transfer between the upper and lower surfaces. For example, a stainless steel mesh belt with ceramic coating is preferable. A ceramic belt or the like is used.
被焼成体である発泡性無機質原料としては、天然ガラス
、人ニガラス、多孔質火山岩、火成岩、凝灰岩などから
なる混合物をペレット化したものが用いられ、該ベレッ
ト（４）は供給ホッパー（５）よりベルトコンベア上に
適宜の全供給される。供給されたベレット（４）は、予
備ローラ（６）によりならされてほぼ均一な厚さの層と
なる。The foamable inorganic raw material to be fired is a pelletized mixture of natural glass, human glass, porous volcanic rock, igneous rock, tuff, etc., and the pellets (4) are fed from the supply hopper (5). The appropriate whole is fed onto a belt conveyor. The supplied pellet (4) is smoothed by a preliminary roller (6) into a layer of approximately uniform thickness.
均一な厚さとなった多孔質セラミック板（２）は、焼成
炉（１）内に送りこまれ、昇温ゾーンで昇温されたのち
、焼成ゾーンで加熱され発泡する。発泡軟化した多孔質
セラミック板（２は、抑圧ローう（７）により表面が抑
圧成形される。The porous ceramic plate (2), which has a uniform thickness, is fed into the firing furnace (1), heated in the heating zone, and then heated and foamed in the firing zone. The surface of the foamed and softened porous ceramic plate (2) is compressed by a compression row (7).
本発明においては、多孔質セラミック板（２）に耐熱性
繊維（８）が含まれている点に特徴がある。The present invention is characterized in that the porous ceramic plate (2) contains heat-resistant fibers (8).
該耐熱性繊維（８）は、ベレット（４）を製造する際に
該ベレット中に混入される。すなわち、前述した天然ガ
ラス、人ニガラスなどからなるセラミック原料（９）と
耐熱性繊維（８）を均一に混合し、ペレットを製造する
ことで第２図に示されるようにペレット中に耐熱性繊維
を含ませることができる。このペレットを前記した工程
で加熱発泡せしめることで耐熱性繊維で補強された多孔
質セラミック板がえられる。The heat-resistant fiber (8) is mixed into the pellet (4) when producing the pellet. That is, by uniformly mixing the ceramic raw material (9) made of natural glass, human glass, etc. and the heat-resistant fiber (8) to produce pellets, the heat-resistant fiber is incorporated into the pellet as shown in Figure 2. can be included. By heating and foaming these pellets in the process described above, a porous ceramic plate reinforced with heat-resistant fibers can be obtained.
耐熱性繊維（８）としては、焼成時の高温（通常８００
〜１２００℃）に耐え一１該温度で酸化されることがな
い繊維であればいかなるものも用いることができるが、
たとえばアルミナファイバーなどのセラミックファイバ
ーや、ステンレススチールファイバーなどを好適に用い
ることができる。As the heat-resistant fiber (8), the high temperature during firing (usually 800
Any fiber can be used as long as it can withstand temperatures up to 1200°C and is not oxidized at that temperature.
For example, ceramic fibers such as alumina fibers, stainless steel fibers, etc. can be suitably used.
セラミックファイバーは、マトリックスとの接着性があ
るので好ましく、またステンレススチールファイバーを
用いるときは安価であるという利点がある。Ceramic fibers are preferred because of their adhesive properties with the matrix, and stainless steel fibers have the advantage of being inexpensive.
耐熱性繊維（８）の径は、ＩＯ〜５００ｆであるのが好
ましく、ｌＯ々ｍ未満だと補強効果が少ないという問題
があり、一方５００ρを超えると分散性に劣るという問
題がある。The diameter of the heat-resistant fiber (8) is preferably IO to 500f; if it is less than 1Om, there is a problem that the reinforcing effect is small, while if it exceeds 500ρ, there is a problem that the dispersibility is poor.
また耐熱性繊維（８）の長さは、０．５〜３ ｍｍであ
るのが好ましく、０．５ａ１１未満だと補強効果かえら
れず、一方３１を超えると分散性に劣るので好ましくな
い。The length of the heat-resistant fiber (8) is preferably 0.5 to 3 mm; if it is less than 0.5a11, the reinforcing effect cannot be improved, while if it exceeds 31, the dispersibility will be poor, which is not preferred.
さらに耐熱性繊維（８）の混入量はセラミック原料に対
し１〜５％（重量％、以下同様）であるのが好ましく、
１％未満だと補強効果に劣るという問題があり、５％を
超えると分散性に劣り補強効果が低下するという問題が
ある。Further, it is preferable that the amount of heat-resistant fiber (8) mixed is 1 to 5% (weight%, the same applies hereinafter) based on the ceramic raw material.
If it is less than 1%, there is a problem that the reinforcing effect is poor, and if it exceeds 5%, there is a problem that the dispersibility is poor and the reinforcing effect is reduced.
以下、本発明の多孔質セラミック板を実施例に基づき説
明するが、本発明はもとよりかかる実施例に限定される
ものではない。Hereinafter, the porous ceramic plate of the present invention will be explained based on Examples, but the present invention is not limited to these Examples.
実施例
酸性白土７８％、ソーダ灰１２％、ドロマイト８％、酸
化亜鉛など２％の組成のセラミック原料に３％のセラミ
ックファイバー（平均長さ １．５１１１１１平均繊維
径１００ρ）を加え、ＩＯ關φのスチールボールととも
にポットミルに入れ４時間乾式粉砕した。えられた粉末
は４４加篩を９２％通過する状態の微粉末であった。こ
の粉末にイソパン（商品名、■クラレ製）２％水溶液を
噴霧しながらパンペレタイザーにて造粒し、粒径１〜２
．５關のベレットを製造した。えられたベレットを前記
したごとく供給ホッパーよりベルトコンベア上に供給し
、焼成炉内にて加熱発泡せしめ多孔質セラミック板をえ
た。Example 3% ceramic fibers (average length 1.511111 average fiber diameter 100ρ) were added to ceramic raw materials with a composition of 78% acid clay, 12% soda ash, 8% dolomite, and 2% zinc oxide, and The mixture was placed in a pot mill with steel balls and dry ground for 4 hours. The obtained powder was a fine powder that passed 92% through a 44 sieve. This powder was granulated using a pan pelletizer while spraying a 2% aqueous solution of Isopan (trade name, manufactured by Kuraray), and the particle size was 1 to 2.
．． A 5-piece beret was manufactured. The obtained pellets were fed from the feed hopper onto a belt conveyor as described above, and heated and foamed in a firing furnace to obtain a porous ceramic plate.
えられた多孔質セラミック板の弾性をＪＩＳＡ １４０
ｇの曲げ試験にしたがって測定したところ、２、ＯＸ
１０５ｋｇ／ ｃシであった。The elasticity of the obtained porous ceramic plate was measured according to JISA 140.
When measured according to the bending test of 2, OX
It was 105 kg/c.
比較例
セラミック原料にセラミックファイバーを加えなかった
以外は実施例と同様にして多孔質セラミック板を製造し
た。Comparative Example A porous ceramic plate was produced in the same manner as in the example except that ceramic fibers were not added to the ceramic raw material.
えられた多孔質セラミック板の弾性を実施例と同様にし
て測定したところ４．ＯＸ １０５ｋｇ／ ｃｄであっ
た。The elasticity of the obtained porous ceramic plate was measured in the same manner as in Example 4. OX was 105 kg/cd.
［発明の効果］
以上詳述せるごとく、本発明の多孔質セラミック板は、
耐熱性繊維により補強されているので高弾性でフレキシ
ビリティ−に富んでおり、取り扱いに際し欠けや割れな
どが発生することがない。また大面積化が可能となり、
その用途を拡大することができるという効果がある。[Effects of the Invention] As detailed above, the porous ceramic plate of the present invention has the following effects:
Since it is reinforced with heat-resistant fibers, it has high elasticity and flexibility, and will not chip or crack when handled. In addition, it becomes possible to increase the area,
This has the effect of expanding its uses.
第１図は本発明の多孔質セラミック板を製造する工程の
概略説明図、第２図は本発明の多孔質セラミック板を製
造する際に用いられる原料ベレットの概略説明図である
。
（図面の主要符号）
（４）：ベレット
（８）：耐熱性繊維
（９）：セラミック原料FIG. 1 is a schematic explanatory diagram of the process of manufacturing the porous ceramic plate of the present invention, and FIG. 2 is a schematic explanatory diagram of a raw material pellet used in manufacturing the porous ceramic plate of the present invention. (Main symbols in the drawing) (4): Beret (8): Heat-resistant fiber (9): Ceramic raw material
Claims (1)
で加熱、押圧してえられる多孔質セラミック板であって
、前記ペレットが耐熱性繊維を含むことを特徴とする多
孔質セラミック板。 ２ 前記耐熱性繊維がセラミックファイバーである特許
請求の範囲第１項記載の多孔質セラミック板。 ３ 前記耐熱性繊維がステンレススチールファイバーで
ある特許請求の範囲第１項記載の多孔質セラミック板。[Scope of Claims] 1. A porous ceramic plate obtained by heating and pressing pelletized foamable inorganic raw materials in a firing furnace, characterized in that the pellets contain heat-resistant fibers. Quality ceramic board. 2. The porous ceramic plate according to claim 1, wherein the heat-resistant fibers are ceramic fibers. 3. The porous ceramic plate according to claim 1, wherein the heat-resistant fibers are stainless steel fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63296456A JP2610969B2 (en) | 1988-11-24 | 1988-11-24 | Porous ceramic plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63296456A JP2610969B2 (en) | 1988-11-24 | 1988-11-24 | Porous ceramic plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02145491A true JPH02145491A (en) | 1990-06-04 |
| JP2610969B2 JP2610969B2 (en) | 1997-05-14 |
Family
ID=17833788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63296456A Expired - Lifetime JP2610969B2 (en) | 1988-11-24 | 1988-11-24 | Porous ceramic plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2610969B2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60176976A (en) * | 1984-02-20 | 1985-09-11 | 松下電工株式会社 | Manufacture of inorganic cured body |
| JPS6350373A (en) * | 1986-08-20 | 1988-03-03 | 黒崎窯業株式会社 | Porous granular refractory material |
| JPS63201072A (en) * | 1987-02-17 | 1988-08-19 | 積水化学工業株式会社 | Manufacture of ceramic foam |
| JPS63222027A (en) * | 1987-03-09 | 1988-09-14 | Agency Of Ind Science & Technol | Production of reinforcing material-containing inorganic foam |
-
1988
- 1988-11-24 JP JP63296456A patent/JP2610969B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60176976A (en) * | 1984-02-20 | 1985-09-11 | 松下電工株式会社 | Manufacture of inorganic cured body |
| JPS6350373A (en) * | 1986-08-20 | 1988-03-03 | 黒崎窯業株式会社 | Porous granular refractory material |
| JPS63201072A (en) * | 1987-02-17 | 1988-08-19 | 積水化学工業株式会社 | Manufacture of ceramic foam |
| JPS63222027A (en) * | 1987-03-09 | 1988-09-14 | Agency Of Ind Science & Technol | Production of reinforcing material-containing inorganic foam |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2610969B2 (en) | 1997-05-14 |
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