JPH03122058A - Drying of honeycomb-like molded article - Google Patents
Drying of honeycomb-like molded articleInfo
- Publication number
- JPH03122058A JPH03122058A JP1257287A JP25728789A JPH03122058A JP H03122058 A JPH03122058 A JP H03122058A JP 1257287 A JP1257287 A JP 1257287A JP 25728789 A JP25728789 A JP 25728789A JP H03122058 A JPH03122058 A JP H03122058A
- Authority
- JP
- Japan
- Prior art keywords
- honeycomb
- molded article
- molded product
- drying
- tube
- 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.)
- Pending
Links
- 238000001035 drying Methods 0.000 title claims abstract description 9
- 239000004636 vulcanized rubber Substances 0.000 claims abstract description 9
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 239000000314 lubricant Substances 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 101100400452 Caenorhabditis elegans map-2 gene Proteins 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は気体の処理その他に使用するハニカム状成形品
特に．セラミツクスまたはカーボンの粉末よりなるハニ
カム状成形品を製造する場合における成形後の乾燥法に
関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is particularly applicable to honeycomb-shaped molded products used for gas processing and other purposes. The present invention relates to a drying method after molding when manufacturing a honeycomb-shaped molded product made of ceramic or carbon powder.
従来の技術とその問題点
．セラミツクスまたはカーボンはその粉末に少量の水分
および結合剤を混和して押出しその他の方法によって成
形し切断し乾燥してハニカム状成形品が得られるが、熱
風乾燥、高周波加熱乾燥何れの場合においても乾燥の進
むのに従って成形品に亀裂を生じ易い欠陥があった。Conventional technology and its problems. Ceramics or carbon can be obtained by mixing a small amount of moisture and a binder with the powder, molding it by extrusion or other methods, cutting it, and drying it to obtain a honeycomb-shaped molded product. There was a defect in the molded product that was prone to cracking as it progressed.
問題点を解決するための手段
本発明は上記の欠陥を除去するもので、．セラミツクス
またはカーボンの粉末に少量の水分および結合剤を混和
して押出しその他の方法によってハニカム状に成形し、
所定の寸法に切断した後開孔していない面に加硫ゴムま
たは熱収縮性プラスチックスのチューブを嵌挿し緊締し
て加熱乾燥することにより、亀裂のない満足なハニカム
状成形品を得るものである。Means for Solving the Problems The present invention obviates the above deficiencies. A small amount of water and a binder are mixed with ceramic or carbon powder and formed into a honeycomb shape by extrusion or other methods.
After cutting to a specified size, a tube of vulcanized rubber or heat-shrinkable plastic is inserted into the unperforated surface, tightened, and heated to dry to obtain a satisfactory honeycomb-shaped molded product without cracks. be.
実施例１
１２ミクロン径のカーボンの粉末に結合剤、滑剤および
水計２０％を加えてよく混和し、押出機によりハニカム
状に押出し成形し、第２図に示す如く所定の寸法に切断
して多数の小透孔１が両端面間に透通した円筒形のハニ
カム状成形品２を得、該成形品２の円筒周面に加硫ゴム
チューブ３を被嵌して第１図に示す如（成形品２を緊締
し、熱風または高周波により成形品を５０〜１５０’Ｃ
の温度に約６０分間加熱して該成形品２を乾燥する。Example 1 A binder, a lubricant, and 20% of water were added to carbon powder with a diameter of 12 microns, mixed well, extruded into a honeycomb shape using an extruder, and cut into a predetermined size as shown in Figure 2. A cylindrical honeycomb molded product 2 with a large number of small through holes 1 passing through between both end faces was obtained, and a vulcanized rubber tube 3 was fitted onto the cylindrical circumferential surface of the molded product 2, as shown in FIG. (Tighten the molded product 2 and heat the molded product to 50-150'C using hot air or high frequency.
The molded article 2 is dried by heating to a temperature of about 60 minutes.
ハニカム状成形品は加硫ゴムチューブを被着したままあ
るいは加硫ゴムチューブを剥離して出荷し得る。The honeycomb-shaped molded product can be shipped with the vulcanized rubber tube still attached or with the vulcanized rubber tube peeled off.
実施例２
２０ミクロン径のシリカ・アルミナ系セラミックの粉末
に結合剤および水計１５％を加えてよ（混和し、押出機
によりハニカム状に押出し成形し、所定の寸法に切断し
て第３図に示す如く多数の小透孔１が両側面間に透通し
た角筒形のハニカム状成形品２を得、該成形品２の角筒
周面に適宜形状のクツション材４，４・・・をあてがっ
てその外面を滑らかな曲面とし、該曲面上に熱収縮性プ
ラスチックスチューブ３を嵌挿しこれに８０〜１２０
６Ｃの熱風を当てて該熱収縮性プラスチックチューブ３
をクツション材４．４・・・の外面に緊締し、熱風また
は高周波により成形品２を５０〜１５０ °Ｃの温度
に約６０分間加熱して該成形品２を乾燥し、焼成する。Example 2 Add a binder and 15% of water to silica-alumina ceramic powder with a diameter of 20 microns (mix, extrude into a honeycomb shape using an extruder, cut into a predetermined size. As shown in the figure, a rectangular cylindrical honeycomb-shaped molded product 2 with a large number of small through-holes 1 penetrating between both sides is obtained, and cushioning materials 4, 4, . The outer surface of the tube is made into a smooth curved surface, and the heat-shrinkable plastic tube 3 is inserted onto the curved surface.
The heat-shrinkable plastic tube 3 is exposed to 6C hot air.
is tightened to the outer surface of the cushioning material 4.4, and the molded product 2 is heated to a temperature of 50 to 150° C. for about 60 minutes using hot air or high frequency to dry and bake the molded product 2.
発明の作用
加硫ゴムまたは熱収縮性プラスチックスのチューブはハ
ニカム状成形品の乾燥全工程を通じて該成形品を緊締し
、水分の蒸発による該成形品の亀裂の発生を防止する。Effect of the Invention The vulcanized rubber or heat-shrinkable plastic tube tightens the honeycomb-shaped molded product throughout the drying process and prevents the molded product from cracking due to evaporation of water.
発明の効果
本発明は上記の如く構成したので、ハニカム状成形品が
加熱乾燥により収縮してもこれを包被緊締している加硫
ゴムまたは熱収縮性プラスチックスのチューブも同時に
収縮して終始該成形品を緊締し、該成形品からの水分の
蒸発による該成形品の粗鬆化、亀裂の発生を防止し常に
満足な乾燥製品を得られる効果を有するものである。Effects of the Invention Since the present invention is configured as described above, even if the honeycomb-shaped molded product shrinks due to heating and drying, the tube of vulcanized rubber or heat-shrinkable plastic that wraps and tightens the honeycomb-shaped product also shrinks at the same time. This has the effect of tightening the molded product, preventing the molded product from becoming coarse and cracking due to evaporation of water from the molded product, and ensuring that a satisfactory dry product can always be obtained.
第１図は本発明のハニカム状成形品の乾燥法の一例を示
す斜視図、第２図は第１図の前の工程を示す斜視図、第
３図は本発明の他の例を示す平面図である。
図中２はハニカム状成形品、１はその小透孔、３は加硫
ゴムまたは熱収縮性プラスチックスのチューブを示す。
阜１邑
第２図FIG. 1 is a perspective view showing an example of the method of drying a honeycomb-shaped molded product of the present invention, FIG. 2 is a perspective view showing a step before FIG. 1, and FIG. 3 is a plan view showing another example of the present invention. It is a diagram. In the figure, 2 indicates a honeycomb-shaped molded product, 1 indicates a small through hole thereof, and 3 indicates a tube made of vulcanized rubber or heat-shrinkable plastic. Fu 1-eup Map 2
Claims (2)
よび該粉末用結合剤よりなるハニカム状成形品を加硫ゴ
ムまたは熱収縮性プラスチツクスのチユーブにより緊締
した状態で加熱乾燥することを特徴とするハニカム状成
形品の乾燥法。1. A honeycomb-shaped molded product made of ceramic or carbon powder, a small amount of water, and a binder for the powder, which is heated and dried while being tightened with a tube of vulcanized rubber or heat-shrinkable plastics. drying method.
囲第１項記載のハニカム状成形品の乾燥法。2. The method for drying a honeycomb-shaped molded article according to claim 1, wherein the honeycomb-shaped molded article is an extrusion-molded article.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1257287A JPH03122058A (en) | 1989-10-02 | 1989-10-02 | Drying of honeycomb-like molded article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1257287A JPH03122058A (en) | 1989-10-02 | 1989-10-02 | Drying of honeycomb-like molded article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03122058A true JPH03122058A (en) | 1991-05-24 |
Family
ID=17304281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1257287A Pending JPH03122058A (en) | 1989-10-02 | 1989-10-02 | Drying of honeycomb-like molded article |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03122058A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0510596A (en) * | 1991-07-05 | 1993-01-19 | Sharp Corp | Room heater and manufacture thereof |
| WO2003082540A1 (en) * | 2002-03-28 | 2003-10-09 | Ngk Insulators, Ltd. | Method of drying honeycomb formed body |
| JP2007513308A (en) * | 2003-05-21 | 2007-05-24 | マスト カーボン インターナショナル リミテッド | Fluid heater with a conductive, porous monolith |
-
1989
- 1989-10-02 JP JP1257287A patent/JPH03122058A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0510596A (en) * | 1991-07-05 | 1993-01-19 | Sharp Corp | Room heater and manufacture thereof |
| WO2003082540A1 (en) * | 2002-03-28 | 2003-10-09 | Ngk Insulators, Ltd. | Method of drying honeycomb formed body |
| JP2007513308A (en) * | 2003-05-21 | 2007-05-24 | マスト カーボン インターナショナル リミテッド | Fluid heater with a conductive, porous monolith |
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