JP3429551B2 - Setter - Google Patents
SetterInfo
- Publication number
- JP3429551B2 JP3429551B2 JP08176094A JP8176094A JP3429551B2 JP 3429551 B2 JP3429551 B2 JP 3429551B2 JP 08176094 A JP08176094 A JP 08176094A JP 8176094 A JP8176094 A JP 8176094A JP 3429551 B2 JP3429551 B2 JP 3429551B2
- Authority
- JP
- Japan
- Prior art keywords
- setter
- coating material
- sio
- present
- coating
- 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.)
- Expired - Lifetime
Links
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【産業上の利用分野】 本発明は、炭化珪素、アルミ
ナ、ムライト、コージェライトなどからなる棚板、セッ
ター等にコート材を施こすことにより、タイル、陶磁器
などとの反応を防止することができるセッターに関す
る。本セッターは、タイル等の焼成用として好適に使用
されているローラーハースキルン用に特に適している。INDUSTRIAL APPLICABILITY The present invention can prevent a reaction with tiles, ceramics or the like by applying a coating material to a shelf plate, a setter or the like made of silicon carbide, alumina, mullite, cordierite or the like. Regarding setters. The present setter is particularly suitable for a roller hearth kiln that is preferably used for firing tiles and the like.
【０００２】[0002]
【従来の技術】 タイルや陶磁器等の焼成は、棚板と支
柱との組合わせによる段積み方法が使用されているが、
近年、省エネルギー、生産性の向上の観点から、ローラ
ーハースキルン（以下、ＲＨＫという）も使用されるよ
うになってきている。このようなＲＨＫ用セッターに
は、使用時におけるセッターとタイルとの付着を防止す
るため、表面にムライトとシリカゾルの混合物、ケイ
砂、粘土などからなるコーティングを施すことが行なわ
れている。2. Description of the Related Art For firing tiles, ceramics, etc., a stacking method using a combination of shelf boards and columns is used.
In recent years, a roller hearth kiln (hereinafter, referred to as RHK) has also been used from the viewpoint of energy saving and improvement of productivity. In order to prevent adhesion between the setter and the tile during use, such a RHK setter is coated on its surface with a mixture of mullite and silica sol, silica sand, clay, or the like.
【０００３】[0003]
【発明が解決しようとする課題】 しかしながら、上記
のコーティングを施した従来のＲＨＫ用セッターでは、
陶磁器の釉薬やタイル等の焼成体から低融点物質が溶解
してセッター表面に付着したり、またセッターからガラ
ス成分がタイル等の焼成体へ浸透するという事態が発生
して、焼成体またはセッターへの長期間の付着防止が達
成できず、その結果タイル等の製品も品質の良いものが
得られず、セッターの寿命も縮まる等の問題があった。
本発明者は、セッターの表面にコーティングするコート
材の材質を特定のものとすることにより、上記した従来
の問題を解決できることを見いだし、本発明に到達し
た。However, in the conventional RHK setter having the above coating,
A low melting point substance is melted from the glaze of ceramics or tiles and the like and adheres to the setter surface, or the glass component permeates from the setter to the tile or other fired body, causing the fired body or setter to enter. However, there is a problem that the product such as tiles cannot be obtained with high quality and the life of the setter is shortened.
The present inventor has found that the above-mentioned conventional problems can be solved by making the material of the coating material coated on the surface of the setter specific, and arrived at the present invention.
【０００４】[0004]
【課題を解決するための手段】 即ち、本発明によれ
ば、主としてＡｌ2 Ｏ3 系又はＡｌ2 Ｏ3 ・ＳｉＯ2 系
の結晶質からなり、ＳｉＯ2 含有量が４０ｗｔ％以下の
コート材を、基材に被覆してなることを特徴とするセッ
ター、が提供される。上記セッターにおいては、コート
材が、(1) Ａｌ（ＯＨ）3 を主成分とし、ＳｉＯ2 また
は粘土を含有する、(2) アンダルサイト及びアルミナを
主成分とする、あるいは(3) ムライトを主成分とするも
のであることが、好ましい。[Means for Solving the Problems] That is, according to the present invention, a coating material mainly composed of Al 2 O 3 -based or Al 2 O 3 .SiO 2 -based crystalline and having a SiO 2 content of 40 wt% or less is provided. A setter characterized by being coated on a substrate. In the above setter, the coating material contains (1) Al (OH) 3 as a main component and contains SiO 2 or clay, (2) contains andalusite and alumina as main components, or (3) mainly contains mullite. It is preferable that it is a component.
【０００５】[0005]
【作用】 本発明のセッターにおいては、コート材が、
主としてＡｌ2 Ｏ3 系又はＡｌ2 Ｏ3 ・ＳｉＯ2 系の結
晶質からなり、ＳｉＯ2 含有量が４０ｗｔ％以下のもの
からなる。ここで、ＳｉＯ2 含有量は４０ｗｔ％以下で
あることが必要であり、コート材のＳｉＯ2 含有量が４
０ｗｔ％を超えると、セッターとタイル等の焼成品とが
付着する傾向が高く、好ましくない。なお、本発明のセ
ッターでは、コート材として、焼成等の熱負荷をかける
と上記組成となる原料を用いることができ、例えば、Ａ
ｌ（ＯＨ）3 を主成分とし、ＳｉＯ2 または粘土を含有
する材料などは好ましい例として挙げることができる。In the setter of the present invention, the coating material is
It is mainly composed of Al 2 O 3 -based or Al 2 O 3 .SiO 2 -based crystalline material and has a SiO 2 content of 40 wt% or less. Here, the SiO 2 content needs to be 40 wt% or less, and the SiO 2 content of the coating material is 4% or less.
When it exceeds 0 wt%, the setter and the fired product such as tile tend to adhere to each other, which is not preferable. In the setter of the present invention, a raw material having the above composition when subjected to a thermal load such as firing can be used as the coating material.
A preferable example is a material containing l (OH) 3 as a main component and SiO 2 or clay.
【０００６】また、本発明に用いるコート材としては、
具体的には、アンダルサイト及びアルミナを主成分とす
る材料、あるいはムライトを主成分とする材料を用いる
と、セッターとタイル等の焼成品との付着防止という本
発明の効果を奏することができ、好ましい。なお、本発
明のセッターは、上記したようなコート材の材料を、有
機バインダー等の結合剤と混合し、これをセラミック材
料からなるセッター基材の表面に塗布等によりコーティ
ングし、次いで焼成することにより得られる。Further, as the coating material used in the present invention,
Specifically, when a material containing andalusite and alumina as a main component or a material containing mullite as a main component is used, the effect of the present invention of preventing adhesion between a setter and a fired product such as a tile can be obtained, preferable. The setter of the present invention is prepared by mixing the above-described coating material with a binder such as an organic binder, coating the same on the surface of a setter substrate made of a ceramic material by coating, and then firing. Is obtained by
【０００７】また、コート材の材料として用いるアンダ
ルサイト、アルミナ、ムライトなどは通常４０μｍ以下
の粒度のものが用いられる。コート材の厚さは、焼成体
との反応防止、付着防止が達成できるに必要な厚さであ
ればよく、具体的には０．１ｍｍ以上であればよい。
尚、コート材をコートする基材の材質としては、セラミ
ックスであれば何ら限定されるものではなく、例えば炭
化珪素、アルミナ、ムライト、コージェライト等からな
る基材を用いることができる。The andalusite, alumina, mullite, etc. used as the material for the coating material usually have a particle size of 40 μm or less. The coating material may have any thickness as long as it can prevent the reaction with the fired body and the adhesion thereof, and specifically, it has a thickness of 0.1 mm or more.
The material of the base material coated with the coating material is not particularly limited as long as it is ceramics, and for example, a base material made of silicon carbide, alumina, mullite, cordierite or the like can be used.
【０００８】[0008]
【実施例】 以下、本発明を実施例に基づき更に詳細に
説明するが、本発明はこれらの実施例に限られるもので
はない。
（実施例１）ムライトとコージェライトの混合物によ
り、４５０×４５０×１０（厚さ）ｍｍのサイズでセッ
ターを製作し、セッターに厚み０．２ｍｍで表１に示す
組成のコート材をスプレーによりコートし、タイル焼成
用ＲＨＫにて、最高温度１３００℃、通過時間７０分で
通窯した。使用したセッターにおいて、タイルとコート
材との付着状況、セッター寿命を評価した。結果を表１
に示す。EXAMPLES Hereinafter, the present invention will be described in more detail based on examples, but the present invention is not limited to these examples. Example 1 A setter having a size of 450 × 450 × 10 (thickness) mm was prepared from a mixture of mullite and cordierite, and the setter was coated with a coating material having a thickness of 0.2 mm and having a composition shown in Table 1 by spraying. Then, the tile was fired in a RHK for firing at a maximum temperature of 1300 ° C. and a passage time of 70 minutes. In the setter used, the adhesion state between the tile and the coating material and the setter life were evaluated. The results are shown in Table 1.
Shown in.
【０００９】[0009]
【表１】 [Table 1]
【００１０】（実施例２）ＳｉＯ2 結合のＳｉＣ材を基
材とし、４００×３５０×１０（厚さ）ｍｍのサイズで
セッターを製作し、厚み０．１５ｍｍで表２に示す組成
のコート材をコートして、陶磁器（茶碗）を温度１２５
０℃、３５時間で焼成した。セッターのコート剥離状
況、ワーク付着性、及びセッター寿命を評価した。結果
を表２に示す。(Example 2) Using a SiC material of SiO 2 bond as a base material, a setter having a size of 400 × 350 × 10 (thickness) mm was manufactured, and a coating material having a thickness of 0.15 mm and a composition shown in Table 2 was prepared. Coat the pottery (tea bowl) at a temperature of 125
It was baked at 0 ° C. for 35 hours. The coat peeling condition of the setter, the work adhesion, and the setter life were evaluated. The results are shown in Table 2.
【００１１】[0011]
【表２】 [Table 2]
【００１２】[0012]
【発明の効果】 以上説明したように、本発明のセッタ
ーによれば、セッターの表面にコーティングするコート
材の材質を特定のものとしたので、タイル、陶磁器など
との反応を防止することができ、高品質の焼成品を効率
よく製造することができる。As described above, according to the setter of the present invention, since the material of the coating material coated on the surface of the setter is specified, it is possible to prevent the reaction with tiles, ceramics, and the like. Therefore, it is possible to efficiently manufacture high-quality fired products.
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) F27D 3/12 C04B 41/87 ─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. 7 , DB name) F27D 3/12 C04B 41/87
Claims (5)
ＳｉＯ2 系の結晶質からなり、ＳｉＯ2 含有量が４０ｗ
ｔ％以下のコート材を、基材に被覆してなることを特徴
とするセッター。1. Mainly Al 2 O 3 system or Al 2 O 3
Consists of SiO 2 crystalline material with SiO 2 content of 40w
A setter characterized by coating a base material with a coating material of t% or less.
し、ＳｉＯ2 または粘土を含有する請求項１記載のセッ
ター。2. The setter according to claim 1, wherein the coating material contains Al (OH) 3 as a main component and contains SiO 2 or clay.
を主成分とする請求項１記載のセッター。3. The setter according to claim 1, wherein the coating material is composed mainly of andalusite and alumina.
項１記載のセッター。4. The setter according to claim 1, wherein the coating material contains mullite as a main component.
項１〜４のいずれかに記載のセッター。5. The setter according to claim 1, wherein the setter is for a roller hearth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08176094A JP3429551B2 (en) | 1994-04-20 | 1994-04-20 | Setter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08176094A JP3429551B2 (en) | 1994-04-20 | 1994-04-20 | Setter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07294154A JPH07294154A (en) | 1995-11-10 |
| JP3429551B2 true JP3429551B2 (en) | 2003-07-22 |
Family
ID=13755414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08176094A Expired - Lifetime JP3429551B2 (en) | 1994-04-20 | 1994-04-20 | Setter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3429551B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002154884A (en) | 2000-11-10 | 2002-05-28 | Ngk Insulators Ltd | Calcination tool for electronic parts |
| US8242038B2 (en) * | 2007-10-31 | 2012-08-14 | Corning Incorporated | Low thermal expansion high strength honeycomb cement and method therefor |
-
1994
- 1994-04-20 JP JP08176094A patent/JP3429551B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07294154A (en) | 1995-11-10 |
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