JPS61129016A - Honeycomb shaped particulate collection filter, honeycomb shaped catalyst filter and preparation thereof - Google Patents
Honeycomb shaped particulate collection filter, honeycomb shaped catalyst filter and preparation thereofInfo
- Publication number
- JPS61129016A JPS61129016A JP59251140A JP25114084A JPS61129016A JP S61129016 A JPS61129016 A JP S61129016A JP 59251140 A JP59251140 A JP 59251140A JP 25114084 A JP25114084 A JP 25114084A JP S61129016 A JPS61129016 A JP S61129016A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- inlet side
- cell
- honeycomb
- blind plug
- 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
- 239000003054 catalyst Substances 0.000 title claims description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000011247 coating layer Substances 0.000 claims abstract description 19
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 15
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- 239000000919 ceramic Substances 0.000 abstract description 5
- 239000013618 particulate matter Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 241000448280 Elates Species 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
Abstract
Description
【発明の詳細な説明】
この発明は、ディセルエンジン等の内燃機関から排出さ
れるパティキーレートを浄化するのくすぐれたハニカム
型パティキエレート捕集用フィルタおよびハニカム型触
媒フィルタならびにハニカム型パティキエレート捕集用
フィルタの製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention provides a honeycomb-type particulate rate collection filter, a honeycomb-type catalyst filter, and a honeycomb-type particulate rate filter that are excellent for purifying particulate rate discharged from internal combustion engines such as diesel engines. The present invention relates to a method of manufacturing a rate collection filter.
ディセルエンジン等から排出されるパティキーレートを
浄化するクステムとして排気系に捕集用フィルタを設け
、捕集された／４’ティ中ユレートヲ電気ヒーター、オ
イルバナーもしくは触媒等を用いて燃焼させることが提
案されている（特開昭５８−１８７５１２号、特開昭５
９−１８２２１号、特開昭５９−５２０号等参照）。パ
ティキーレートを捕集するフィルタは、第１図および第
２図に示すように、セラミ、クスモノリス担体Ｉのガス
入口側セル２を１個おきに盲栓３で塞ぎ、ガス出口側で
は、入口側で盲栓をしないセル２ａについては盲栓３＆
で塞ぎ、入口側で盲栓をしたセル２ｂについては開けて
あり、ガスは矢印に示すように、セル側壁４のボアを通
じて流れる。このようなフィルタはハニカム構造の微粒
子フィルタ（以下ハニカム型フィルタという）と呼ばれ
、特開昭５８−１８５９１９号に開示されている。その
他ノ臂ティキ為レートを捕集するフィルタとして、三次
元網目構造をもつセラミ、り担体、スティール・＋７−
Ａ／、フイヤーメ、ン二等もある。A collection filter is installed in the exhaust system to purify the particulate matter discharged from a diesel engine, etc., and the collected particulate matter is combusted using an electric heater, oil banner, catalyst, etc. has been proposed (Japanese Patent Application Laid-Open No. 58-187512,
9-18221, JP-A-59-520, etc.). As shown in Figs. 1 and 2, the filter for collecting particulate matter is constructed by plugging every other cell 2 on the gas inlet side of the ceramic/cus monolith carrier I with blind plugs 3, and on the gas outlet side, the cells 2 on the gas inlet side are closed. For cell 2a that does not have a blind plug on the side, use a blind plug 3 &
The cell 2b, which is plugged with a blind stopper on the inlet side, is open and gas flows through the bore in the cell side wall 4 as shown by the arrow. Such a filter is called a particulate filter having a honeycomb structure (hereinafter referred to as a honeycomb type filter), and is disclosed in Japanese Patent Application Laid-Open No. 185919/1983. Other filters that can be used to collect the tiki rate include ceramics with a three-dimensional network structure, carriers, steel +7-
There are also A/, Fuyame, and N second class.
上記のハニカム凰フィルタは前記のように両端が交互に
盲栓がしてあって、セル側壁にガスが通過する数μｍ−
数１０１１ｍのボアがおいているだけであるので、ノク
ティキエレートの捕集率は、他のフィルタの捕集率よシ
高い。しかしながら、捕集されたパティキユレートを電
気ヒータヤオイルパーナ等で燃焼しようとしてもフィル
タの前側に捕集されたパティキユレートのみが燃焼し、
セルの奥に補集されたノーティキーレートまイルタでは
ガスの入口側に大部分のノ４ティキエレートを捕集して
しまう。The above-mentioned honeycomb phoenix filter has blind plugs alternately on both ends as described above, and the cell side wall has a diameter of several μm where the gas passes through.
Since the bore is only several 1011 m long, the collection rate of Noctichelate is higher than that of other filters. However, even if an attempt is made to burn the collected particulate using an electric heater or oil panner, only the particulate collected on the front side of the filter will be burned.
The Nautiki rate filter that collects the Nautiki rate at the back of the cell collects most of the Nautiki rate at the gas inlet side.
この発明は、上記従来技術の問題点を解決し、パティキ
ーレート捕集率および燃焼伝播特性にすぐれたハニカム
鳳パティキ島し−ト捕集用フィルタおよびハニカム型触
媒フィルタを提供すべくなされたものである。さらにこ
の発明はハニカム型・ぐティキーレート捕集用フィルタ
を製造する方法をも提供するものである。The present invention has been made to solve the problems of the prior art described above, and to provide a honeycomb-type particulate matter collection filter and a honeycomb-type catalytic filter that have excellent particulate rate collection efficiency and combustion propagation characteristics. It is. Furthermore, the present invention also provides a method for manufacturing a honeycomb-type filter for collecting tikey rate.
しかして、この発明のハニカム型パティキーレート捕集
用フィ・ルタは、ハニカム型フィルタのｙｘ入口側にお
いて盲栓をしてないセルの側壁表面にアルミナのコーテ
ィング層を形成すせてなるものである。Therefore, the honeycomb type particulate rate collecting filter of the present invention is made by forming an alumina coating layer on the side wall surface of the cell which is not blind plugged on the yx inlet side of the honeycomb type filter. be.
また、この発明のハニカム型触媒フィルタは、上記のフ
ィルタのセル側壁にさらに白金族元素の少くとも一種の
触媒金属を担持させてなるものである。Further, the honeycomb type catalyst filter of the present invention further includes at least one type of catalyst metal of a platinum group element supported on the cell side wall of the above-mentioned filter.
さらに、この発明のハニカム型パティキーレート捕集用
フィルタの製造方法は、ハニカム型フィルタの下端を吸
引しつつその上端よシ活性アルミナ（Ａｔ２０３）を含
むスラリまたはアルミナゾルを投入してガス入口側にお
いて盲栓をしていないセル側壁表面にアルミナのコーテ
ィング層を形成させることからなる。Furthermore, in the method for manufacturing a honeycomb type particulate rate collecting filter of the present invention, while sucking the lower end of the honeycomb type filter, a slurry or alumina sol containing activated alumina (At203) is introduced from the upper end of the honeycomb type filter to the gas inlet side. It consists of forming an alumina coating layer on the surface of the cell side wall without a blind plug.
この発明のハニカム型ノーティキュレート捕集用フィル
タは、第３図に示すように、セラミックスモノリス担体
Ｉのガス入口側セル２を１個おきに盲栓３で塞ぎ、ガス
出口側では、入口側で盲栓をしないセル２１については
盲栓３ａで塵ぎ、入口側で盲栓をしたセル２ｂについて
は開け、入口側で盲栓をしないセル２ａの側壁４０表面
に活性アルミナのコーティング層５を形成させてなるも
のである。As shown in FIG. 3, in the honeycomb type noticulate collection filter of the present invention, every other cell 2 on the gas inlet side of the ceramic monolithic carrier I is plugged with blind plugs 3, and on the gas outlet side, the cells 2 on the inlet side are closed. The cells 21 without a blind plug are cleaned with a blind plug 3a, the cells 2b with a blind plug on the inlet side are opened, and a coating layer 5 of activated alumina is formed on the surface of the side wall 40 of the cell 2a without a blind plug on the inlet side. It is something that can be done.
セルに流れる場合に、ガスの入口側にのみ形成されるこ
とになる。When the gas flows into the cell, it is formed only on the gas inlet side.
さらにこの発明のハニカム型触媒フィルタは、上記のこ
の発明のハニカムｍノ々ティキエレート捕集用フィルタ
のガス入口側において盲栓をしていないセル側壁に、さ
らに白金族元素の少くとも一種の触媒金属を担持させて
なるものである。白金族元素の触媒金属としては、白金
、ノ々ラジウムおよびロノウムがとくに好適である。Furthermore, the honeycomb type catalytic filter of the present invention further includes at least one type of catalytic metal of a platinum group element on the side wall of the cell which is not blind plugged on the gas inlet side of the honeycomb elate collecting filter of the present invention. It is made to carry. As the catalyst metal of the platinum group element, platinum, nonoradium and ronium are particularly suitable.
この発明のハニカム型パティキル−ト捕集用フィルタの
製造方法および製造装置について以下に述べる。The method and apparatus for manufacturing the honeycomb type patty quilt collection filter of the present invention will be described below.
第４図に示すタンク６には、その上面にロート足７が、
ガスケット８を介してざルト締めで固定されている。ロ
ート足７は吸引取入口９を具備し、吸引取入口９は排出
ポンプ等に接続される。ロート足７の上には、フィルタ
固定台１０が設置されておシ、固定台ＩＱは、ハニカム
型フィルタ１１の大きさにより交換可能となっている。The tank 6 shown in FIG. 4 has a funnel foot 7 on its upper surface.
It is fixed by bolt tightening via a gasket 8. The funnel foot 7 is provided with a suction inlet 9, and the suction inlet 9 is connected to a discharge pump or the like. A filter fixing table 10 is installed on the funnel leg 7, and the fixing table IQ can be replaced depending on the size of the honeycomb filter 11.
また固定台１０にはコ９ム、／４ツ午ンが固定されてい
る。ハニカム製フィルタ１１は、固定台１０に垂直に設
置され、ハニカム型フィルタ１１の上へ側にはスラリー
取入器１２が接続される。スラリー取入器の内面は、ノ
１ニカム型フィルタト密着シ、スラリーがハニカム型フ
ィルタの外壁に流出しないようにゴムノ４ ツキンが設
けられている。Further, a 9mm and a 4mm are fixed to the fixed base 10. The honeycomb filter 11 is vertically installed on a fixed base 10, and a slurry intake device 12 is connected to the upper side of the honeycomb filter 11. The inner surface of the slurry intake device is provided with four rubber seals to prevent the slurry from leaking onto the outer wall of the honeycomb filter.
ハニカム型フィルタ１１を吸水処理した後、第４図のよ
うに、固定台１０に垂直に固定する。After the honeycomb filter 11 has been subjected to water absorption treatment, it is vertically fixed to a fixing table 10 as shown in FIG.
つぎに排出ポンプを用いて吸引取入口９を経てタンク６
内を連続的に吸引し、スラリー取入器１２に活性アルミ
ナを含むスラリーを投入する。Next, the tank 6 is passed through the suction intake port 9 using a discharge pump.
The inside is continuously suctioned, and a slurry containing activated alumina is introduced into the slurry intake device 12.
スラリーはハニカム型フィルタのガス入口側において盲
栓をしてないセルの側壁のボアを通ってタンク内に吸引
され、セルの側壁表面に活性アルミナのコーティング層
が形成される。タンク６内に溜ったスラリーは、タンク
６の下面に設けられたドレンコックｚ３よシ取フ出し、
スラリー取入器ｚ２に戻して再利用する。The slurry is drawn into the tank through the bore in the unplugged side wall of the cell on the gas inlet side of the honeycomb filter, forming a coating layer of activated alumina on the side wall surface of the cell. The slurry accumulated in the tank 6 is taken out through the drain cock z3 provided on the bottom of the tank 6.
It is returned to the slurry intake device z2 and reused.
ハニカム型フィルタのセルの側壁のボア径は数μｍ〜数
１０燗と小さいので、活性アルミナを含むスラリー粘度
が２０００ＰＳ以上あるとボアがスラリーで基がれしま
うことが多い。したがって、活性アルミナを含むスラリ
ーの粘度は、２００ ＣＰＳ以下であることが好ましい
。また、ハニカム型フィルタのコーテイング後の、スラ
リーのたるみによるセルおよびセル側壁のボアの閉塞を
防ぐために、ノ・ニカムをフィルタの上下を逆転させ、
もう一度吸引処理するか、または遠心分離等を行なうこ
とが望ましい。Since the diameter of the bore in the side wall of the cell of a honeycomb filter is small, ranging from several micrometers to several tens of millimeters, the bore often becomes clogged with slurry if the viscosity of the slurry containing activated alumina is 2000 PS or more. Therefore, the viscosity of the slurry containing activated alumina is preferably 200 CPS or less. In addition, in order to prevent the cells and cell side wall bores from being blocked due to slurry sagging after coating the honeycomb filter, the honeycomb filter is turned upside down and the filter is turned upside down.
It is desirable to perform suction treatment again or perform centrifugation.
さらに、活性アルミナを含むスラリーの他に、バインダ
ー効果を有するアルミナゾルでもハニカム型フィルタの
コーティングは可能である。Furthermore, in addition to the slurry containing activated alumina, it is also possible to coat the honeycomb filter with an alumina sol that has a binder effect.
以上のようにガス入口側において盲栓をしないセル側壁
の表面にアルミナをコーティングすることにより得られ
たハニカム型ノ々ティキュレート捕集用フィルタを好ま
しくは、１００〜３００℃で乾燥し、５００〜８００℃
で０．５〜２時間焼成後、少くとも一種の白金族元素の
触媒金属をセル側壁に担持させるとこの発明のハニカム
型触媒フィルタが得られる。As described above, the honeycomb-type nototic filter filter obtained by coating alumina on the surface of the cell side wall without a blind plug on the gas inlet side is preferably dried at 100 to 300°C, and dried at 500 to 300°C. 800℃
After firing for 0.5 to 2 hours, at least one platinum group element catalyst metal is supported on the cell side walls to obtain the honeycomb type catalyst filter of the present invention.
ハニカム型フィルタ基材の比表面積は、１〜２ ｍ２／
ｇと小さいが、アルミナコーティング層を形成すること
によりコート層比表面積は、５０〜ｔｏＯｍ／、Ｆに増
える。このことＫよりコート層の・ぞティキーレート吸
着力が増し、パティキーレート捕集率が上がる。また、
・・ニカム型７ることが雛に（、仮に担持できたとして
本短時間でその触媒活性を失う結果となり実用化は難し
い。しかしながら、アルミナコーティング層を形成する
ことによｌ）、ｚ−）層比表面積が５０−１００ｍｙＪ
に増えるため、十分な量の触媒物質を容易に担持てき、
長時間の触媒活性を有するものと考えられる。The specific surface area of the honeycomb filter base material is 1 to 2 m2/
Although the specific surface area of the coating layer is small, by forming the alumina coating layer, the specific surface area of the coating layer increases to 50 to Om/F. This increases the adsorption power of the coating layer for the tikilate, and increases the collection rate of the tikilate. Also,
... Nicum-type 7 is a chick (even if it could be supported, it would lose its catalytic activity in a short period of time, making it difficult to put it to practical use.However, by forming an alumina coating layer), z-) Layer specific surface area is 50-100 myJ
, so it can easily carry a sufficient amount of catalytic material,
It is thought to have long-term catalytic activity.
また、アルミナコーティング層上に捕集されたパティキ
ーレートは、担持触媒物質によシ、活性化エネルギーが
下げられるため、着火性および燃焼伝播性が向上する。In addition, the activation energy of the particulate rate collected on the alumina coating layer is lowered by the supported catalyst material, so that ignitability and combustion propagation are improved.
この発明のハニカム型パティキーレート捕集用フィルタ
は、セル側壁にアルミナのコーティング層が形成されて
いるので上記したようにフィルタ基材の比表面積が増加
しパティキユレートの捕集率が良好であるばかりでなく
、燃焼伝播特性にすぐれている。また、フィルタ基材の
比表面積が増加するので、触媒化が容易である。The honeycomb-type particulate rate collecting filter of the present invention has an alumina coating layer formed on the cell side wall, so as mentioned above, the specific surface area of the filter base increases and the particulate rate collection rate is good. Not only that, but it also has excellent combustion propagation characteristics. Moreover, since the specific surface area of the filter base material increases, it is easy to catalyze it.
さらにこの発明の触媒フィルタは、ｆイセル機関等から
排出される排気ガスの浄化特性にすぐれている外、パテ
ィキーレートの燃焼温度を下降させ、かつ、電気ヒータ
ー等によシ・クティキ為レートを燃焼させる際の燃焼伝
播特性において著しくすぐれたものである。Furthermore, the catalytic filter of the present invention not only has excellent properties for purifying exhaust gas emitted from diesel engines, etc., but also lowers the combustion temperature of particulate matter and reduces the combustion temperature of particulate matter by electric heaters, etc. It has extremely excellent combustion propagation characteristics during combustion.
実施例１
ハニカム型フィルタを吸水処理し、活性アルミナを含む
スラリーを１０〜２００ｓｍＨｇの吸引条件下でコート
後、２５０℃で乾燥し、７００℃で１時間焼成した。こ
のようにして得られたハニカム型フィルタにつきノ々テ
ィキエレートの捕集率１着火源度および燃焼率を測定し
その結果を下表に示した。Example 1 A honeycomb filter was subjected to water absorption treatment, coated with a slurry containing activated alumina under suction conditions of 10 to 200 smHg, dried at 250°C, and fired at 700°C for 1 hour. The collection rate 1 ignition source degree and combustion rate of Nototiki Elate were measured for the honeycomb filter thus obtained, and the results are shown in the table below.
実施例２
ハニカム型フィルタを吸水処理し、活性アルミナを含む
スラリーを１０〜２００５ｗ＋Ｈｇの吸引条件下でコー
ト後、２５０℃で乾燥し、７００℃で１時間焼成した。Example 2 A honeycomb type filter was subjected to water absorption treatment, coated with a slurry containing activated alumina under suction conditions of 10 to 2005 W+Hg, dried at 250°C, and fired at 700°C for 1 hour.
このサンプルにＰｄＣｔ２水溶液を用いてＰｄを担持し
た。このようにして得られたハニカム型触媒フィルタに
つキノクティキエレートの補集量２着火温度および燃焼
率を測定しその結果を下表に示した。Pd was supported on this sample using a PdCt2 aqueous solution. The ignition temperature and combustion rate of the collected amount of kinoctychelate were measured for the honeycomb type catalyst filter thus obtained, and the results are shown in the table below.
比較例
ハニカム型フィルタの基材（アルミナコーティング層な
し、触媒なし）について実施例と同様にしてパティキ島
レートの捕集率１着火源度および燃焼率を測定し、その
結果を下表に示した。Comparative Example Regarding the base material of a honeycomb type filter (no alumina coating layer, no catalyst), the collection rate 1 ignition source degree and combustion rate of Patiki island rate were measured in the same manner as in the example, and the results are shown in the table below. Ta.
表
＊１人ガス温度２００℃ エンジン回転数２０００ｒｐ
ｍ本２ノぐティキ瓢レートが燃え始める温度上表の実施
例の結果と比較例の結果との比較から明らかのように、
ハニカム型フィルタにアルミナコーティングをしたサン
グル（実施例１）のノ４ティ午エレート捕集率は、大巾
に向上した。Table *1 person Gas temperature 200℃ Engine rotation speed 2000rp
As is clear from the comparison between the results of the example and the results of the comparative example in the table above,
The collection rate of NO4T-elate of the sample (Example 1) in which the honeycomb filter was coated with alumina was greatly improved.
また、実施例１におけるパティキュレート着火温度およ
び燃焼率についても、わずかながら向上した。さらに、
アルミナコーテイング後、触媒担持（実施例２）するこ
とによシ、ノ４ティキエレート捕集率のみならず、ノク
ティキエレートの着火温度および燃焼率が大巾に向上し
た。Furthermore, the particulate ignition temperature and combustion rate in Example 1 were also slightly improved. moreover,
By supporting a catalyst (Example 2) after coating with alumina, not only the collection rate of No. 4 Tiki Elate but also the ignition temperature and combustion rate of No. 4 Tiki Elate were greatly improved.
第１図は従来のハニカムをフィルタの一実施例を略示的
に示す斜視図、第２図は従来のハニカム型フィルタの一
実施例を略示的に示す断面的説明図、第３図はこの発明
のハニカム型ツクティキーレート捕集用フィルタを略示
的に示す断面的説明図および第４図はこの発明のハニカ
ム型パティキュレート捕集用フィルタの製造装置の一例
を略示的に示す図である。
Ｉ・・・セラミ、クスモノリス担体、２・・・ガス入口
側セル、２ａ・・・ガス入口側で盲栓をしないセル、２
ｂ・・・ガス入口側で盲栓をしたセル、３および３ａ・
・・盲栓、４・・・セル側壁、５・・・アルミナのコー
ティング層、１１・・・ハニカム型フィルタ。FIG. 1 is a perspective view schematically showing an embodiment of a conventional honeycomb filter, FIG. 2 is a cross-sectional explanatory diagram schematically showing an embodiment of a conventional honeycomb filter, and FIG. 3 is a perspective view schematically showing an embodiment of a conventional honeycomb filter. A cross-sectional explanatory view schematically showing a honeycomb type particulate collection filter of the present invention, and FIG. 4 is a diagram schematically showing an example of a manufacturing apparatus for a honeycomb type particulate collection filter of the present invention It is. I... Ceramic, Kusu monolith carrier, 2... Cell on gas inlet side, 2a... Cell without blind plug on gas inlet side, 2
b...Cell with a blind plug on the gas inlet side, 3 and 3a.
... Blind plug, 4... Cell side wall, 5... Alumina coating layer, 11... Honeycomb type filter.
Claims (3)
口側では、入口側で盲栓をしないセルについては盲栓で
塞ぎ、入口側で盲栓をしたセルについては開けてあるハ
ニカム型フィルタにおいて、ガス入口側において盲栓を
してないセルの側壁表面にアルミナのコーティング層を
形成させてなるハニカム型パティキュレート捕集用フィ
ルタ。(1) Every other cell on the gas inlet side is plugged with a blind plug, and on the gas outlet side, cells that are not plugged on the inlet side are plugged with a blind plug, and cells with a blind plug on the inlet side are left open. A honeycomb type filter for particulate collection, in which an alumina coating layer is formed on the side wall surface of a cell that is not plugged on the gas inlet side.
口側では、入口側で盲栓をしないセルについては盲栓で
塞ぎ、入口側で盲栓をしたセルについては開けてあるハ
ニカム型フィルタのガス入口側において盲栓をしないセ
ルの側壁表面に、アルミナのコーティング層を形成させ
たのち、上記フィルタのセル側壁にさらに白金族元素の
少くとも一種の触媒金属を担持させてなるハニカム型触
媒フィルタ。(2) Close every other cell on the gas inlet side with a blind plug, and on the gas outlet side, cells that are not plugged on the inlet side are plugged with a blind plug, and cells with a blind plug on the inlet side are left open. An alumina coating layer is formed on the side wall surface of a cell without a blind plug on the gas inlet side of the honeycomb filter, and then at least one catalyst metal of a platinum group element is further supported on the cell side wall of the filter. Honeycomb type catalyst filter.
口側では、入口側で盲栓をしないセルについては盲栓で
塞ぎ、入口側で盲栓をしたセルについては開けてあるハ
ニカム型フィルタの下端を吸引しつつ、上端より活性ア
ルミナを含むスラリーまたはアルミナゾルを投入し、ガ
ス入口側において盲栓をしないセルの側壁表面にアルミ
ナのコーティング層を形成させることからなるハニカム
型パティキュレート捕集用フィルタの製造方法。(3) Close every other cell on the gas inlet side with a blind plug, and on the gas outlet side, cells that are not plugged on the inlet side are plugged with a blind plug, and cells with a blind plug on the inlet side are left open. A honeycomb type particulate filter consists of sucking the lower end of the honeycomb type filter and injecting a slurry or alumina sol containing activated alumina from the upper end to form an alumina coating layer on the side wall surface of the cell without a blind plug on the gas inlet side. Method for manufacturing a collection filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59251140A JPS61129016A (en) | 1984-11-28 | 1984-11-28 | Honeycomb shaped particulate collection filter, honeycomb shaped catalyst filter and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59251140A JPS61129016A (en) | 1984-11-28 | 1984-11-28 | Honeycomb shaped particulate collection filter, honeycomb shaped catalyst filter and preparation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61129016A true JPS61129016A (en) | 1986-06-17 |
| JPH0232004B2 JPH0232004B2 (en) | 1990-07-18 |
Family
ID=17218264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59251140A Granted JPS61129016A (en) | 1984-11-28 | 1984-11-28 | Honeycomb shaped particulate collection filter, honeycomb shaped catalyst filter and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61129016A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS627448A (en) * | 1985-07-02 | 1987-01-14 | Nippon Shokubai Kagaku Kogyo Co Ltd | Catalyst for purifying exhaust gas and its preparation |
| JPS6458329A (en) * | 1987-08-31 | 1989-03-06 | Suzuki Motor Co | Converter for purifying exhaust gas |
| EP0590814A2 (en) * | 1992-09-28 | 1994-04-06 | Ford Motor Company Limited | A particulate and exhaust gas emission control system |
| WO2002026353A1 (en) * | 2000-09-26 | 2002-04-04 | Ngk Insulators,Ltd. | Multi-layer structure honeycomb filter and method of manufacturing the filter |
| KR20020058812A (en) * | 2000-12-30 | 2002-07-12 | 이계안 | Exhausted gas recirculation apparatus |
| WO2004026472A1 (en) * | 2002-09-05 | 2004-04-01 | Ngk Insulators, Ltd. | Honeycomb structure, and honeycomb structure forming mouthpiece |
| EP1512850A1 (en) * | 2003-09-04 | 2005-03-09 | J. Eberspächer GmbH & Co. KG | Particulate filter |
| JP2005262210A (en) * | 2004-02-18 | 2005-09-29 | Hitachi Metals Ltd | Ceramic honeycomb filter and device for cleaning exhaust gas |
| JP2008289964A (en) * | 2007-05-22 | 2008-12-04 | Nissan Motor Co Ltd | Apparatus and method for manufacturing catalyst for cleaning exhaust gas |
| JP2011206679A (en) * | 2010-03-30 | 2011-10-20 | Ngk Insulators Ltd | Plugged honeycomb structure and method for manufacturing the same |
| WO2013145320A1 (en) * | 2012-03-30 | 2013-10-03 | イビデン株式会社 | Honeycomb filter and method for producing honeycomb filter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56148607A (en) * | 1980-04-18 | 1981-11-18 | Enukoa:Kk | Exhaust gas filter for diesel engine |
-
1984
- 1984-11-28 JP JP59251140A patent/JPS61129016A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56148607A (en) * | 1980-04-18 | 1981-11-18 | Enukoa:Kk | Exhaust gas filter for diesel engine |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS627448A (en) * | 1985-07-02 | 1987-01-14 | Nippon Shokubai Kagaku Kogyo Co Ltd | Catalyst for purifying exhaust gas and its preparation |
| JPS6458329A (en) * | 1987-08-31 | 1989-03-06 | Suzuki Motor Co | Converter for purifying exhaust gas |
| EP0590814A2 (en) * | 1992-09-28 | 1994-04-06 | Ford Motor Company Limited | A particulate and exhaust gas emission control system |
| EP0590814A3 (en) * | 1992-09-28 | 1994-06-08 | Ford Motor Co | A particulate and exhaust gas emission control system |
| US5758496A (en) * | 1992-09-28 | 1998-06-02 | Ford Global Technologies, Inc. | Particulate and exhaust gas emission control system |
| WO2002026353A1 (en) * | 2000-09-26 | 2002-04-04 | Ngk Insulators,Ltd. | Multi-layer structure honeycomb filter and method of manufacturing the filter |
| KR20020058812A (en) * | 2000-12-30 | 2002-07-12 | 이계안 | Exhausted gas recirculation apparatus |
| US7678439B2 (en) | 2002-09-05 | 2010-03-16 | Ngk Insulators, Inc. | Honeycomb structure and die for forming honeycomb structure |
| JPWO2004026472A1 (en) * | 2002-09-05 | 2006-01-12 | 日本碍子株式会社 | Honeycomb structure and die for forming honeycomb structure |
| WO2004026472A1 (en) * | 2002-09-05 | 2004-04-01 | Ngk Insulators, Ltd. | Honeycomb structure, and honeycomb structure forming mouthpiece |
| EP1512850A1 (en) * | 2003-09-04 | 2005-03-09 | J. Eberspächer GmbH & Co. KG | Particulate filter |
| JP2005262210A (en) * | 2004-02-18 | 2005-09-29 | Hitachi Metals Ltd | Ceramic honeycomb filter and device for cleaning exhaust gas |
| JP2008289964A (en) * | 2007-05-22 | 2008-12-04 | Nissan Motor Co Ltd | Apparatus and method for manufacturing catalyst for cleaning exhaust gas |
| JP2011206679A (en) * | 2010-03-30 | 2011-10-20 | Ngk Insulators Ltd | Plugged honeycomb structure and method for manufacturing the same |
| WO2013145320A1 (en) * | 2012-03-30 | 2013-10-03 | イビデン株式会社 | Honeycomb filter and method for producing honeycomb filter |
| JPWO2013145320A1 (en) * | 2012-03-30 | 2015-08-03 | イビデン株式会社 | Honeycomb filter and method for manufacturing honeycomb filter |
| US9724634B2 (en) | 2012-03-30 | 2017-08-08 | Ibiden Co., Ltd. | Honeycomb filter and method for producing honeycomb filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0232004B2 (en) | 1990-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7521025B2 (en) | Honeycomb structural body | |
| JP3387290B2 (en) | Exhaust gas purification filter | |
| JP3862458B2 (en) | Honeycomb structure | |
| WO2012046484A1 (en) | Exhaust gas purification device | |
| CN1969073B (en) | Inorganic fiber aggregate, method for producing inorganic fiber aggregate, honeycomb structure and method for producing honeycomb structure | |
| JP3983117B2 (en) | Honeycomb structure and manufacturing method thereof | |
| EP1679119B1 (en) | Method of production of a filter catalyst for exhaust gas purification of a diesel engine | |
| US20070020155A1 (en) | Honeycomb structured body and exhaust gas purifying device | |
| JP2001190916A (en) | Honeycomb structure | |
| US7541006B2 (en) | Honeycomb structured body | |
| JP3707843B2 (en) | Diesel exhaust gas purification filter | |
| JPS61129016A (en) | Honeycomb shaped particulate collection filter, honeycomb shaped catalyst filter and preparation thereof | |
| JPH09173866A (en) | Diesel exhaust gas purifying filter | |
| JPH0550323B2 (en) | ||
| JP2003254034A (en) | Honeycomb filter | |
| JPH09276708A (en) | Catalyst for cleaning of exhaust gas from diesel engine | |
| JPH045803B2 (en) | ||
| JPS5867914A (en) | Purification device for fine carbon particles of internal-combustion engine | |
| JPH0647620U (en) | Exhaust gas purification device | |
| JPS61286513A (en) | Filter for collecting particulate and catalyst filter for collecting particulate | |
| JP2580721B2 (en) | Filter for particulate collection | |
| JPS6365927A (en) | Catalytic filter for removing particulates | |
| JPS62114619A (en) | Catalyst filter for removing particulate | |
| JPH07241422A (en) | Fibrous waste gas filter | |
| JP2579667Y2 (en) | Ceramic honeycomb filter and method for manufacturing the same |