JPH05337310A - Powder for oxidation resistant filter - Google Patents
Powder for oxidation resistant filterInfo
- Publication number
- JPH05337310A JPH05337310A JP4142890A JP14289092A JPH05337310A JP H05337310 A JPH05337310 A JP H05337310A JP 4142890 A JP4142890 A JP 4142890A JP 14289092 A JP14289092 A JP 14289092A JP H05337310 A JPH05337310 A JP H05337310A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- oxidation resistant
- filter
- resistant filter
- oxidation
- 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
- 239000000843 powder Substances 0.000 title claims abstract description 25
- 230000003647 oxidation Effects 0.000 title claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Landscapes
- Filtering Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、耐酸化性フィルター
用粉末に関するものである。さらに詳しくは、高温の排
ガス雰囲気下で耐酸化性の要求されるディーゼルパテイ
キュレータ用粉末として好適のほか、石油、ガス等の炭
化水素系の燃料を用いる高温装置、たとえば、石油スト
ーブや温風ヒータ等のパテイキュレート除去フィルター
用粉末として有用な、新しい耐酸化性フィルター用粉末
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oxidation resistant filter powder. More specifically, it is suitable as a powder for diesel particulates that is required to have oxidation resistance in a high-temperature exhaust gas atmosphere, and a high-temperature device that uses a hydrocarbon fuel such as petroleum or gas, for example, a petroleum stove or a warm air heater. The present invention relates to a novel powder for oxidation resistant filter, which is useful as a powder for particulate removal filter.
【０００２】[0002]
【従来の技術とその課題】従来より、金属や合金の粉末
をフィルターに用いることが知られており、分離、精製
技術の新しい可能性を拓くものとして注目されている。
たとえば、その代表的なものとして、従来よりフィルタ
ー用粉末としてはＳＵＳ３０４Ｌ、ＳＵＳ３１６Ｌ等の
ステンレス系粉末が用いられている。一般的には理化学
機器の瀘過装置の部品として用いられている。2. Description of the Related Art Conventionally, it has been known to use powder of metal or alloy for a filter, and it has been attracting attention as a new possibility of separation and refining technology.
For example, stainless steel powder such as SUS304L and SUS316L has been conventionally used as a representative powder for the filter. Generally, it is used as a part of filtration equipment for physics and chemistry equipment.
【０００３】また、これらの金属、合金の粉末を、自動
車、ストーブ、温風ヒータ等のパテイキュレート除去用
フィルターに用いることも検討されている。しかしなが
ら、現状においては、これらのフィルター、特に高温で
酸化性雰囲気にさらされる用途に使用されるフィルター
には、金属、合金の粉末を使用することはできなかっ
た。それと言うのも、従来のものは、高温で長時間使用
するほど異常酸化をおこすからである。また、それによ
って、フィルターとしての機能が失われるからである。Further, the use of powders of these metals and alloys in filters for removing particulates in automobiles, stoves, warm air heaters, etc. is also being studied. However, at present, powders of metals and alloys cannot be used for these filters, particularly filters used for applications exposed to an oxidizing atmosphere at high temperatures. This is because the conventional one causes abnormal oxidation as it is used at a high temperature for a long time. Also, because of that, the function as a filter is lost.
【０００４】そこで、この発明は、以上の通りの従来技
術の欠点を解消し、高温の排ガス雰囲気下で耐酸化性の
要求されるディーゼルパテイキュレータや、石油、ガス
等の燃焼高温装置、たとえばストーブや温風ヒータ等の
パテイキュレート除去用等として使用することのでき
る、新しい耐酸化性フィルター用粉末を提供することを
目的としている。Therefore, the present invention solves the drawbacks of the prior art as described above, and a diesel particulater required to have oxidation resistance in a high temperature exhaust gas atmosphere, a high temperature combustion apparatus for oil, gas, etc., such as a stove. It is an object of the present invention to provide a new powder for an oxidation resistant filter, which can be used for removing particulates of a hot air heater or the like.
【０００５】[0005]
【課題を解決するための手段】この発明は、上記の課題
を解決するものとして、Ｆｅ−Ｃｒ−Ａｌ系粉末であっ
て、その組成が重量％で、 Ｃｒ：15.0 〜30.0、 Ａｌ： 5.0 〜20.0、 ＲＥＭ： 0.01 〜 0.40 であり、残部が不可避的不純物とＦｅよりなることを特
徴とする耐酸化性フィルター用粉末を提供する。Means for Solving the Problems The present invention is, in order to solve the above-mentioned problems, an Fe-Cr-Al-based powder, the composition of which is wt%, Cr: 15.0-30.0, Al: 5.0- 20.0, REM: 0.01 to 0.40, with the balance comprising inevitable impurities and Fe, provided is an oxidation resistant filter powder.
【０００６】このＦｅ−Ｃｒ−Ａｌ系粉末は、これまで
にない耐酸化性に優れたものである。各成分の限定理由
は次の通りである。 （Ｃｒ）Ｃｒを15.0〜30.0％の範囲としたのは15.0％未
満だと、耐酸化性が不十分であり、また、30.0％以上で
は効果が飽和するため３０％以下でよい。This Fe-Cr-Al-based powder has excellent oxidation resistance that has never been obtained. The reasons for limiting each component are as follows. When the content of (Cr) Cr is set in the range of 15.0 to 30.0%, if it is less than 15.0%, the oxidation resistance is insufficient, and if it is 30.0% or more, the effect is saturated, so that it may be 30% or less.
【０００７】（Ａｌ）Ａｌを5.0 〜20.0％の範囲とした
のは5.0 ％未満だと、耐酸化性が不十分であり、また、
２０％以上だと粉末の製造が困難となるからである。 （ＲＥＭ）ＲＥＭ量を0.01〜 0.4％の範囲としたのは0.
01％未満だと、耐酸化性が不十分であり、また、多量に
添加しても効果が飽和するため0.40％以下でよい。If the content of (Al) Al in the range of 5.0 to 20.0% is less than 5.0%, the oxidation resistance is insufficient, and
This is because if it is 20% or more, it becomes difficult to produce powder. (REM) The amount of REM was set to be 0.01 to 0.4%.
If it is less than 01%, the oxidation resistance is insufficient, and the effect is saturated even if added in a large amount, so 0.40% or less is sufficient.
【０００８】この発明の粉末は、Ｆｅ−Ｃｒ−Ａｌ−Ｒ
ＥＭの所要の配合において溶解し、アトマイズ法によっ
て噴霧微細粒子化することや、鋳込んだ後に適宜な機械
的手段によって粉砕し、所望の粒度のものとすることが
できる。より好ましいのは、水噴霧によるアトマイズ法
が採用される。以下、実施例を示し、さらに詳しくこの
発明の耐酸化性フィルター用粉末について説明する。The powder of the present invention is Fe-Cr-Al-R.
It can be dissolved in the required composition of EM and atomized into fine particles by atomization, or can be crushed by appropriate mechanical means after casting to obtain a desired particle size. More preferably, an atomizing method using water spray is adopted. Examples will be shown below to describe the oxidation-resistant filter powder of the present invention in more detail.
【０００９】[0009]
【実施例】実施例１〜５ （比較例１〜５）表１に示した合金組成を有する粉末
を、水噴霧によって製造した。平均粒径１００〜２５０
μｍ。EXAMPLES Examples 1-5 (Comparative Examples 1-5) Powders having the alloy compositions shown in Table 1 were produced by water atomization. Average particle size 100-250
μm.
【００１０】この粉末をアルミナ容器（６８×４５×１
０mm）に１０ｇ装入充填し、大気炉にて１０００℃の温
度で大気酸化試験を行い、異常酸化の開始時間を測定
し、表１に併記した。表１の結果から明らかなように、
この発明の粉末は、耐酸化性に優れていることがわか
る。This powder was placed in an alumina container (68 × 45 × 1).
(0 mm) was charged and charged, and an atmospheric oxidation test was performed at a temperature of 1000 ° C. in an atmospheric furnace, and the abnormal oxidation start time was measured. As is clear from the results in Table 1,
It can be seen that the powder of this invention has excellent oxidation resistance.
【００１１】[0011]
【表１】 [Table 1]
【００１２】[0012]
【発明の効果】以上詳しく説明したようにこの発明のフ
ィルター用粉末を用いることにより高温域での耐酸化性
の優れたフィルターが実現される。As described in detail above, by using the filter powder of the present invention, a filter having excellent oxidation resistance in a high temperature range can be realized.
Claims (1)
組成が重量％で Ｃｒ：15.0 〜30.0、 Ａｌ： 5.0 〜20.0、 ＲＥＭ： 0.01 〜 0.40 であり、残部が不可避的不純物とＦｅよりなること特徴
とする耐酸化性フィルター用粉末。1. An Fe-Cr-Al-based powder, the composition of which, in wt%, is Cr: 15.0 to 30.0, Al: 5.0 to 20.0, REM: 0.01 to 0.40, and the balance being unavoidable impurities and Fe. Oxidation resistant filter powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4142890A JPH05337310A (en) | 1992-06-03 | 1992-06-03 | Powder for oxidation resistant filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4142890A JPH05337310A (en) | 1992-06-03 | 1992-06-03 | Powder for oxidation resistant filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05337310A true JPH05337310A (en) | 1993-12-21 |
Family
ID=15325975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4142890A Pending JPH05337310A (en) | 1992-06-03 | 1992-06-03 | Powder for oxidation resistant filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05337310A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0806488A1 (en) * | 1996-05-08 | 1997-11-12 | Denki Kagaku Kogyo Kabushiki Kaisha | Aluminum-chromium alloy, method for its production and its applications |
| EP2159388A1 (en) * | 2008-08-29 | 2010-03-03 | Oberland Mangold GmbH | Method for producing a catalyst and/or particle stripper from an alloy material with aluminium and chromium and this alloy material and its application |
-
1992
- 1992-06-03 JP JP4142890A patent/JPH05337310A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0806488A1 (en) * | 1996-05-08 | 1997-11-12 | Denki Kagaku Kogyo Kabushiki Kaisha | Aluminum-chromium alloy, method for its production and its applications |
| EP2159388A1 (en) * | 2008-08-29 | 2010-03-03 | Oberland Mangold GmbH | Method for producing a catalyst and/or particle stripper from an alloy material with aluminium and chromium and this alloy material and its application |
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