JPH04116213A - Solid recovery device for exhaust of diesel engine - Google Patents
Solid recovery device for exhaust of diesel engineInfo
- Publication number
- JPH04116213A JPH04116213A JP2236561A JP23656190A JPH04116213A JP H04116213 A JPH04116213 A JP H04116213A JP 2236561 A JP2236561 A JP 2236561A JP 23656190 A JP23656190 A JP 23656190A JP H04116213 A JPH04116213 A JP H04116213A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- solid matter
- chamber
- solid
- solids
- 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
- 239000007787 solid Substances 0.000 title claims abstract description 112
- 238000011084 recovery Methods 0.000 title claims abstract description 28
- 238000009423 ventilation Methods 0.000 claims description 12
- 239000011343 solid material Substances 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 5
- 239000004071 soot Substances 0.000 abstract description 16
- 238000007599 discharging Methods 0.000 abstract 2
- 238000004140 cleaning Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000238557 Decapoda Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008241 heterogeneous mixture Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
Landscapes
- Processes For Solid Components From Exhaust (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、ディーゼルエンジンの排気中に含有されるス
スなどの固形物を回収する装置、いわゆるアレスタに関
し、排圧を上昇させることなく、排気の流れに沿わせて
固形物を円滑に回収できるものを提供する。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a device for recovering solid substances such as soot contained in the exhaust gas of a diesel engine, a so-called arrester. To provide something that can smoothly collect solids along the flow of water.
〈従来技術及びその課題〉
一般に、ディーゼルエンジンは、不均一混合気でしかも
空気過剰な状態で燃焼を行うので、排気中にカーボン粒
子が混入し易く、このまま排出すると大気汚染の原因に
なるうえ、火災の危険もある。<Prior art and its problems> In general, diesel engines perform combustion with a heterogeneous mixture and an excess of air, so carbon particles are likely to be mixed into the exhaust, and if emitted as is, it will cause air pollution. There is also a fire hazard.
そこで、従来では、エンジンの排気管に設けた金網や隙
間を利用してススを除去するようにしていたが、ススが
溜まるに伴い、目詰まりを起こして排気管の排圧が高く
なるという問題があった。Conventionally, soot has been removed using wire mesh or gaps provided in the engine exhaust pipe, but as soot accumulates, it becomes clogged and the exhaust pressure in the exhaust pipe increases. was there.
本発明は、排圧を上昇させることなく排気中のススをス
ムーズに回収することを技術的課題とする。The technical objective of the present invention is to smoothly recover soot in exhaust gas without increasing exhaust pressure.
〈課題を解決するための手段〉
上記課題を達成するための手段を、実施例を示す図面に
より以下に説明する。<Means for Solving the Problems> Means for achieving the above problems will be described below with reference to drawings showing embodiments.
即ち、本発明１は、
ディーゼルエンジンＥの排気路１に固形物回収手段２を
設け、
固形物回収手段２は、排気流通室３と固形物捕捉室４と
固形物案内用多孔体５とから構成され、排気流通室３及
び固形物回収室４を排気路１に対して並列状に配置し、
排気流通室３の排気入口６を排気路１に連通し、その排
気用ロアを外気に連通し、
上記固形物案内用多孔体５は、その一部が排気入口６に
近付き、その他部が排気用ロアに近付くように、排気流
通室３内に通路横断傾斜状に配置され、
固形物案内用多孔体５のうちの排気用ロアに近付く排除
部位８を前記固形物捕捉室４の固形物取り入れ口１０に
臨ませたことを特徴とするディーゼルエンジンの排気の
固形物回収装置である。That is, the present invention 1 provides the solid matter recovery means 2 in the exhaust path 1 of the diesel engine E, and the solid matter recovery means 2 is composed of an exhaust gas circulation chamber 3, a solid matter trapping chamber 4, and a porous body 5 for guiding solid matter. The exhaust flow chamber 3 and the solid matter recovery chamber 4 are arranged in parallel with the exhaust path 1,
The exhaust inlet 6 of the exhaust circulation chamber 3 is communicated with the exhaust passage 1, and its exhaust lower part is communicated with the outside air. It is arranged in the exhaust circulation chamber 3 in a slope across the passage so as to approach the exhaust lower, and the removal portion 8 of the solid matter guide porous body 5 that approaches the exhaust lower is used as the solid matter intake part of the solid matter trapping chamber 4. This is a solid matter recovery device for exhaust gas of a diesel engine, characterized in that the exhaust port 10 of the diesel engine is placed facing the mouth.
本発明２は、上記本発明１において、
排気流通室３内に複数枚の固形物案内用多孔体５・５・
・・を通気間隙１１を空けて通気方向に対して積層状に
配置し、
排気入口６に近い固形物案内用多孔体５の開口度を大き
くし、排気用ロアに近い当該多孔体５の開口度を小さく
設定したことを特徴とするものである。The second aspect of the present invention is that in the first aspect, a plurality of solid matter guiding porous bodies 5, 5,
... are arranged in a stacked manner in the ventilation direction with ventilation gaps 11 left, the opening degree of the porous body 5 for solid material guide near the exhaust inlet 6 is increased, and the opening of the porous body 5 near the exhaust lower is increased. The feature is that the degree is set small.
上記固形物案内用多孔体５は、メツシュ体でも良いし、
多孔状の開口を有する板状体でも良い。The solid matter guiding porous body 5 may be a mesh body,
A plate-like body having porous openings may also be used.
上記排気用ロアは、直接外気に連通しても良いし、排気
路１を介して連通しても差し支えない。The exhaust lower may be in direct communication with the outside air, or may be in communication with the outside air through the exhaust path 1.
〈作用〉 （１）本発明１の作用を述べる。<Effect> (1) The effect of the present invention 1 will be described.
排気は、排気路１から排気入口６を経て固形物回収手段
２の排気流通室３に入り、固形物案内用多孔体５を通過
して排気用ロアから外部に排出される。Exhaust gas enters the exhaust gas flow chamber 3 of the solid matter recovery means 2 from the exhaust path 1 through the exhaust inlet 6, passes through the solid matter guide porous body 5, and is discharged to the outside from the exhaust lower.
固形物案内用多孔体５は排気流通室３に通路断面傾斜状
に配置されるので、この排気の通過過程で、ススなどの
排気中の固形物は、排気流によって排気入口６から排気
用ロアに向かって上記多孔体５上を傾斜方向に押し上げ
られていき、排除部位８を経て固形物取り入れ口１０か
ら固形物捕捉室４に捕捉される。The solid matter guide porous body 5 is disposed in the exhaust gas distribution chamber 3 so that the cross section of the passage is inclined, so that during the passage of the exhaust gas, the solid matter in the exhaust gas such as soot is transferred from the exhaust inlet 6 to the exhaust lower passage by the exhaust flow. The solids are pushed up in an inclined direction on the porous body 5, pass through the removal section 8, and are captured in the solids trapping chamber 4 from the solids intake port 10.
上記固形物捕捉室４は排気流通室３とは排気路１に対し
て並列状に位置するので、排気は固形物の捕捉部位とは
別の通路を通過し、固形物捕捉室４に溜まった固形物が
、排気流通室３を排気用ロアに吹き抜ける排気の流れの
抵抗になることはない。Since the solid matter trapping chamber 4 is located parallel to the exhaust flow chamber 3 and the exhaust path 1, the exhaust gas passes through a passage separate from the solid matter trapping area and accumulates in the solid matter trapping chamber 4. The solid matter does not become a resistance to the flow of exhaust gas blowing through the exhaust gas distribution chamber 3 to the exhaust lower.
（２）本発明２の作用を述べる。(2) The effect of the present invention 2 will be described.
排気流通室３内に開口度の異なる固形物案内用多孔体５
・５・・・を積層状に配置するので、通路上手側の（即
ち、排気入口６に近い側の）開口度の大きい当該多孔体
５には、粒径の大きい固形物だけが付着し、粒径の小さ
な固形物は通過するとともに、通路下手側の開口度の小
さな多孔体５で粒径の小さい固形物を付着させる。A porous body 5 for guiding solids with different degrees of opening in the exhaust flow chamber 3
・5... are arranged in a layered manner, so that only solid matter with a large particle size adheres to the porous body 5 with a large opening on the upper side of the passage (that is, on the side closer to the exhaust inlet 6). The solid matter with a small particle size passes through, and the solid matter with a small particle size is attached to the porous body 5 with a small opening degree on the downstream side of the passage.
従って、固形物は、その粒径の差異により段階的に複数
枚の固形物多孔体５・５・・・に分散して付着するので
、通路上手側の多孔体５に集中して付着することがなく
、排気流通室３を通る排気の排圧を効率良く低減できる
。Therefore, the solid matter is dispersed and adhered to the plurality of solid porous bodies 5, 5, etc. in stages due to the difference in particle size, so that the solid matter is concentrated and adhered to the porous body 5 on the upper side of the passage. Therefore, the exhaust pressure of the exhaust gas passing through the exhaust gas circulation chamber 3 can be efficiently reduced.
〈発明の効果〉 （１）本発明１の効果は次の通りである。<Effect of the invention> (1) The effects of the present invention 1 are as follows.
■固形物回収手段では、排気が通る排気流通室と固形物
が捕捉される固形物回収室とを排気路に対して並列状に
分離して配置するので、従来技術のように固形物が排気
の流通に抵抗となることがなく、排圧の上昇を抑えられ
る。■In the solid matter recovery means, the exhaust flow chamber through which the exhaust gas passes and the solid matter collection chamber where the solid matter is captured are arranged in parallel with the exhaust path, so that the solid matter is not exhausted as in the conventional technology. There is no resistance to the flow of water, and the rise in exhaust pressure can be suppressed.
■排気流を利用して、排気中の固形物を固形物案内用多
孔体に沿わせて移動させながら固形物捕捉室に捕捉でき
るので、固形物を効率良く回収できる。(2) Since the solids in the exhaust gas can be captured in the solids trapping chamber while moving along the solids guide porous body using the exhaust flow, the solids can be efficiently collected.
（２）本発明２では、排気流通室内に開口度の大きさの
異なる固形物案内用多孔体を積層状に配置すると、固形
物をその粒径の差異により段階的に複数枚の多孔体に分
散して付着させることができるので、排気流通室を通る
排気の排圧を一層良好に低減できる。(2) In the second invention, by arranging solid material guiding porous bodies with different opening degrees in the exhaust gas flow chamber in a layered manner, the solid matter is gradually divided into a plurality of porous bodies due to the difference in particle size. Since it can be applied in a dispersed manner, the exhaust pressure of the exhaust gas passing through the exhaust gas flow chamber can be reduced even better.
〈実施例〉 以下、本発明の実施例を図面に基づいて述べる。<Example> Embodiments of the present invention will be described below based on the drawings.
第１図は実施例１を示すディーゼルエンジンの排気の固
形物回収装置の概略縦断面図、第２図は同回収装置の横
断平面図であって、固形物回収装置は、ディーゼルエン
ジンＥの排気管１にマフラ１２を介して固形物回収手段
２を付設して構成される。FIG. 1 is a schematic vertical cross-sectional view of a solid matter recovery device for the exhaust gas of a diesel engine showing Embodiment 1, and FIG. 2 is a cross-sectional plan view of the same recovery device. A solid matter recovery means 2 is attached to a pipe 1 via a muffler 12.
第１図に示すように、上記固形物回収手段２は、略四重
円筒状のケーシング本体１３と、これにえび金具１４を
介して着脱可能に連結された皿状の底蓋１５とから構成
される。As shown in FIG. 1, the solid matter recovery means 2 is composed of a substantially quadruple cylindrical casing body 13 and a dish-shaped bottom lid 15 that is removably connected to the casing body 13 via a shrimp fitting 14. be done.
第２図に示すように、上記ケーシング本体１３の外筒体
１６の内部に同心状に第１筒体１７、第２筒体１８、第
３筒体１９を外径側に順番に配置し、各筒体１８・１９
・１６を下爪がりのテーパー状に形成する。As shown in FIG. 2, a first cylinder 17, a second cylinder 18, and a third cylinder 19 are arranged concentrically inside the outer cylinder 16 of the casing body 13 in order on the outer diameter side, Each cylinder 18/19
・Form 16 into a tapered shape with a lower prong.
前記底１！１５の中央にカップ状の受は具２１を形成し
、受は具２１の下方を排気入口６を介して排気管１に連
通ずるとともに、受は具２１の上端部に上記ゲージング
本体１３の最内部の第１筒体１７を接当載置する。A cup-shaped receiver 21 is formed in the center of the bottom 1!15. The innermost first cylindrical body 17 of the main body 13 is placed in contact with the first cylindrical body 17 .
上記ケーシング本体１３の上部に排気出口７を空け、受
は具２１の内部空間から第１筒体１７の内部空間を介し
て排気出口７に至るケーシング本体１３の中央寄りの内
室を排気流通室３に形成する。An exhaust outlet 7 is formed in the upper part of the casing body 13, and the receiver connects the inner chamber near the center of the casing body 13 from the inner space of the tool 21 to the exhaust outlet 7 via the inner space of the first cylindrical body 17 as an exhaust circulation chamber. Form into 3.
また、上記第１筒体１７の外部空間で第２筒体１８の内
部空間に第１固形物捕捉室４ａを、第２筒体１８の外部
空間で第３筒体１９の内部空間に第２固形物捕捉室４ｂ
を、第３筒体１９の外部空間でケーシング本体１３の外
筒体１６の内部空間に第３固形物捕捉室４ｃを夫々形成
し、各固形物捕捉室４ａ・４ｂ・４ｃの上端部を固形物
取り入れ口１０を介して中央寄りの排気流通室３に連通
する。Further, a first solid trapping chamber 4a is provided in the external space of the first cylindrical body 17 and an internal space of the second cylindrical body 18, and a second solid matter trapping chamber 4a is provided in the external space of the second cylindrical body 18 and the internal space of the third cylindrical body 19. Solid matter trapping chamber 4b
A third solid matter trapping chamber 4c is formed in the external space of the third cylindrical body 19 and an internal space of the outer cylindrical body 16 of the casing body 13, and the upper end of each solid matter trapping chamber 4a, 4b, 4c is filled with solid matter. It communicates with the exhaust gas distribution chamber 3 near the center via the material intake port 10.
この場合、各固形物捕捉室４ａ・４ｂ・４Ｃは、各々排
気管１に対して排気流通室３とは並列状に配置される。In this case, the solid matter trapping chambers 4a, 4b, and 4C are arranged in parallel with the exhaust pipe 1 and the exhaust gas distribution chamber 3, respectively.
一方、逆円錐状の固形物案内用メツシュ体５ａ・５ｂ・
５ｃを下方を頂点にして、排気流通室３内に通気間隙１
１を空けて積層状に（つまり、排気流通室３に対して通
路横断傾斜状に）配置する。On the other hand, inverted conical mesh bodies 5a, 5b,
A ventilation gap 1 is provided in the exhaust circulation chamber 3 with the lower part of 5c as the apex.
They are arranged in a stacked manner (in other words, in an inclined manner across the passage with respect to the exhaust gas distribution chamber 3), with 1 space left open.
即ち、第１メツシュ体５ａは第２筒体１８の上端部から
排気流通室３内に、
第２メツシュ体５ｂは第３筒体１つの上端部から排気流
通室３内に、
第３メツシュ体５ｃは外筒体１６の上層部から排気流通
室３内に、
各々中央が排気入口６に近付き、外径側が排気出口７に
近付くように配置される。That is, the first mesh body 5a enters the exhaust gas distribution chamber 3 from the upper end of the second cylinder 18, the second mesh body 5b enters the exhaust gas flow chamber 3 from the upper end of the third cylinder, and the third mesh body 5c are arranged from the upper part of the outer cylinder body 16 into the exhaust gas distribution chamber 3 so that the center approaches the exhaust inlet 6 and the outer diameter side approaches the exhaust outlet 7.
上記排気入口６に近い第１メツシュ体５ａのメツシュを
太き（し、第２メツシュ体５ｂのメツシュを中程度にし
、第３メツシュ体５Ｃのメツシュを小さく設定する。The mesh of the first mesh body 5a near the exhaust inlet 6 is set to be thick (the mesh of the second mesh body 5b is medium), and the mesh of the third mesh body 5C is set to be small.
また、各メツシュ体５ａ・５ｂ・５Ｃの上端の排除部位
８（即ち、排気出口７に近い部位）を前記固形物取り入
れ口１０に臨ませる。Further, the removal portion 8 (that is, the portion near the exhaust outlet 7) at the upper end of each mesh body 5a, 5b, and 5C is made to face the solid matter intake port 10.
他方、前記底蓋１５の受は具２１の外周空間を吸引用通
気路２０に形成し、当該通気路２０の下方を排気入口６
に絞り部２０ａを介して連通ずるとともに、吸引用通気
路２０の上方を前記第１〜３固形物捕捉室４ａ・４ｂ・
４Ｃに固形物遮断性の防塵網２２を介して夫々連通する
。On the other hand, the receiver of the bottom cover 15 forms the outer peripheral space of the tool 21 into a suction air passage 20, and the lower part of the air passage 20 is connected to an exhaust inlet 6.
The upper part of the suction air passage 20 is connected to the first to third solid matter trapping chambers 4a, 4b, and
4C through dust-proof nets 22 that block solid matter.
尚、逆円錐状の固形物案内用メツシュ体５の代わりに、
波状に屈曲した多孔板を使用しても良い。Incidentally, instead of the inverted conical mesh body 5 for guiding solid matter,
A corrugated perforated plate may also be used.
そこで、本実施例１の固形物回収装置の機能を説明する
。Therefore, the functions of the solid matter recovery device of the first embodiment will be explained.
排気は、排気路１から排気入口６を経て固形物回収手段
２の排気流通室３に入り、固形物案内用メツシュ体５を
通過して排気用ロアから外部に排出される。Exhaust gas enters the exhaust gas circulation chamber 3 of the solid matter recovery means 2 from the exhaust path 1 through the exhaust inlet 6, passes through the solid matter guide mesh body 5, and is discharged to the outside from the exhaust lower.
固形物案内用メツシュ体５ａ・５ｂ・５Ｃは、排気流通
室３にともに通路断面傾斜状に配置されるので、この排
気の通過過程で、スス（即ち、カーボン粒子）などの排
気中の固形物は、排気流によって排気入口６から排気用
ロアに向かって上記メツシュ体５上を傾斜方向に押し上
げられていき、排除部位８を経て固形物取り入れ口１０
から固形物捕捉室４に捕捉される。Since the solid matter guiding mesh bodies 5a, 5b, and 5C are arranged in the exhaust gas circulation chamber 3 so that the passage cross section is inclined, solid matter such as soot (i.e., carbon particles) in the exhaust gas is removed during the passage of the exhaust gas. is pushed up in an inclined direction from the exhaust inlet 6 toward the exhaust lower by the exhaust flow, and passes through the removal portion 8 to the solid matter intake 10.
The solid matter is captured in the solid matter capture chamber 4 from the solid matter.
そして、この捕捉機構には、以下の特徴がある。This capture mechanism has the following features.
（１）各固形物捕捉室５ａ・５ｂ・５ｃは、吸引用通気
路２０を介して排気管１に連通ずるので、当該捕捉室５
ａ・５ｂ・５ｃは排気流のエジェクタ作用を受け、捕捉
室内のススは吸引力により圧し固められて、単位容量当
たりのススの捕捉能力を大きくできる。(1) Each of the solid matter trapping chambers 5a, 5b, and 5c communicates with the exhaust pipe 1 via the suction air passage 20.
a, 5b, and 5c are subjected to the ejector action of the exhaust flow, and the soot in the trapping chamber is compressed and solidified by the suction force, thereby increasing the soot trapping capacity per unit volume.
（２）ケーシング本体１３内の各筒体１８・１９・１６
を下床がりのテーパー状に形成するので、ススを固形物
捕捉室４の下方に円滑に堆積できる。(2) Each cylinder 18, 19, 16 inside the casing body 13
Since the lower floor is formed in a tapered shape, soot can be smoothly deposited below the solid matter trapping chamber 4.
（３）固形物捕捉室４は、排気流通室３とは排気管１に
対して並列状に位置するので、固形物捕捉室４に溜まっ
たススが、排気流通室３を排気用ロアに吹き抜ける排気
の流れの抵抗になることはない。(3) Since the solid matter trapping chamber 4 is located parallel to the exhaust gas distribution chamber 3 and the exhaust pipe 1, the soot accumulated in the solid matter trapping chamber 4 blows through the exhaust gas distribution chamber 3 to the exhaust lower. There is no resistance to the flow of exhaust air.
（４）排気流通室３内にメツシュの異なる固形物案内用
メツシュ体５ａ・５ｂ・５ｃを積層状に配置するので、
より大きな粒子径のススは排気入口６に近い側のメツシ
ュ体５ａに付着し、これを通過したより細かなススは排
気用ロアに近い側のメツシュ体５Ｃに付着する。(4) Since the solid material guiding mesh bodies 5a, 5b, and 5c with different meshes are arranged in a stacked manner in the exhaust gas distribution chamber 3,
Soot with a larger particle size adheres to the mesh body 5a on the side closer to the exhaust inlet 6, and finer soot that has passed through this adheres to the mesh body 5C on the side closer to the exhaust lower.
従って、ススは、その粒径の差異により段階的に複数枚
の固形物メツシュ体５ａ・５ｂ・５ｃに分散して付着す
るので、通路上手側のメツシュ体５ａに集中して付着す
ることがなく、排気流通室３を通る排気の排圧を効率良
く低減できる。Therefore, the soot is dispersed and adhered to the plurality of solid mesh bodies 5a, 5b, and 5c in stages due to the difference in particle size, so that it does not concentrate and adhere to the mesh body 5a on the upper side of the passage. , the exhaust pressure of the exhaust gas passing through the exhaust gas circulation chamber 3 can be efficiently reduced.
第３図は本発明の実施例２を示し、上記実施例１を基本
構造として、固形物案内用メツシュ体５を上向きの円錐
状に形成するとともに、固形物回収手段２のケース本体
内の中央寄りを固形物捕捉室５に形成し、その外周側を
排気流出室３に形成する。Embodiment 2 of the present invention is shown in FIG. 3, which uses the basic structure of Embodiment 1 described above, forms the mesh body 5 for solid material guide in an upward conical shape, and has a solid material collecting means 2 located at the center of the case body. A solid matter trapping chamber 5 is formed at the end thereof, and an exhaust gas outflow chamber 3 is formed at the outer peripheral side thereof.
即ち、本実施例２では、
■固形物案内用メツシュ５の通路横断傾斜方向■排気流
出室３と固形物捕捉室４との配置関係を各々実施例１と
は逆に構成したものである。That is, in the second embodiment, (1) the inclination direction across the passage of the mesh 5 for guiding solid matter, and (2) the arrangement relationship between the exhaust gas outflow chamber 3 and the solid matter trapping chamber 4 are respectively configured to be opposite to those in the first embodiment.
第４図は本発明の実施例３を示し、固形物案内用メツシ
ュ体５を片上りの通路横断傾斜状に配置するとともに、
固形物回収手段２のケース本体内の左側を固形物捕捉室
４に、その右側を排気流出室３に各々形成したもので、
構造を比較的簡略にしたものである。Embodiment 3 of the present invention is shown in FIG. 4, in which the mesh body 5 for guiding solids is arranged in an inclined manner across the passageway, and
The left side of the case body of the solid matter recovery means 2 is formed as a solid matter trapping chamber 4, and the right side thereof is formed as an exhaust outflow chamber 3.
It has a relatively simple structure.
第５図は固形物回収装置の変形例を示す。FIG. 5 shows a modification of the solids recovery device.
即ち、固形物回収手段２の上半部に断面菱形の回転掃除
具３０を支持し、回転掃除具３０の下絞り突曲状の下壁
を多孔状のく或は、メツシュ状の）通気壁３１とし、回
転掃除具３０の上部の排気出口管３４に操作ハンドル３
５を横向きに突設する。That is, a rotary cleaning tool 30 having a diamond-shaped cross section is supported in the upper half of the solid matter collecting means 2, and the lower wall of the rotary cleaning tool 30 is formed into a perforated or mesh-like ventilation wall. 31, and an operating handle 3 is attached to the exhaust outlet pipe 34 at the top of the rotary cleaning tool 30.
5 protrudes sideways.
また、固形物回収手段２の下半部をラッパ状の区画壁３
２で仕切り、その中央寄りに排気流通室３を、また、そ
の外周側に固形物捕捉室４を各々形成し、区画壁３２の
奥部の固形物取り入れ口１０を介して排気流通室３を固
形物捕捉室４に連通ずる。Further, the lower half of the solid matter recovery means 2 is connected to a trumpet-shaped partition wall 3.
2, an exhaust gas distribution chamber 3 is formed near the center thereof, and a solid matter trapping chamber 4 is formed on the outer periphery thereof, and the exhaust gas distribution chamber 3 is formed through the solid matter intake port 10 at the deep part of the partition wall 32. It communicates with the solid matter trapping chamber 4.
上記区画壁３２と通気壁３１の間隙に断面く字状の清掃
ブラシ３３を固定し、清掃ブラシ３３を前記回転掃除具
３０の通気壁３１に接触可能に対向させる。A cleaning brush 33 having a dogleg-shaped cross section is fixed in the gap between the partition wall 32 and the ventilation wall 31, and the cleaning brush 33 is opposed to the ventilation wall 31 of the rotary cleaning tool 30 so as to be able to come into contact with it.
尚、符号３６は固形物捕捉室４に臨ませた固形物取り出
し口、符号３８は排気流によるエジェクタ発生用の吸引
用通気路である。Note that the reference numeral 36 is a solid matter outlet facing the solid matter capturing chamber 4, and the reference numeral 38 is a suction air passage for generating an ejector by the exhaust flow.
本変形例では、排気は、排気流通室３がら通気壁３１を
介して回転掃除具３０内の浄気室３７に入り、排気出口
管３４から外部に排出されるが、この間に、排気中のス
スは通気壁３１に付着する。In this modification, the exhaust gas enters the clean air chamber 37 in the rotary cleaning tool 30 through the ventilation wall 31 from the exhaust gas distribution chamber 3, and is exhausted to the outside from the exhaust outlet pipe 34. Soot adheres to the ventilation wall 31.
従って、ディーゼルエンジンＥの運転中に、操作ハンド
ル３５を把持して回転操作具３ｏを回転させると、清掃
ブラシ３３に対して通気壁３１が相対回転し、通気壁３
１に付着していたススが、清掃ブラシ３３で擦り取られ
、排気流に乗って固形物取り入れ口１０から固形物捕捉
室４に捕捉されるので、運転中でもスス回収能力を新規
な状態に迅速に復元できる。Therefore, when the operating handle 35 is gripped and the rotary operating tool 3o is rotated during operation of the diesel engine E, the ventilation wall 31 rotates relative to the cleaning brush 33, and the ventilation wall 3
1 is scraped off by the cleaning brush 33 and captured by the exhaust flow from the solid matter intake port 10 into the solid matter trapping chamber 4, so that the soot collection capacity can be quickly restored to a new state even during operation. It can be restored to
第１図は実施例１を示すディーゼルエンジンの排気の固
形物回収装置の概略縦断面図、第２図は同回収装置の横
断平面図、第３図は実施例２を示す固形物回収装置の概
略説明図、第４図は実施例３を示す第３図相当図、第５
図は固形物回収構造の変形例を示す第１図相当図である
。
Ｅ・ディーゼルエンジン、１・・排気路、２・・固形物
回収手段、３ 排気流通室、４・・・固形物捕捉室、５
・・・固形物案内用多孔体、６・・・排気入口、７・・
排気出口、８・・５の排除部位体、１０・・・固形物取
り入れ口。FIG. 1 is a schematic vertical cross-sectional view of a diesel engine exhaust solids recovery device showing a first embodiment, FIG. 2 is a cross-sectional plan view of the same recovery device, and FIG. 3 is a schematic cross-sectional view of a solids recovery device showing a second embodiment. A schematic explanatory drawing, FIG. 4 is a diagram corresponding to FIG. 3 showing Example 3, and FIG.
The figure is a view corresponding to FIG. 1 showing a modification of the solid matter recovery structure. E. Diesel engine, 1. Exhaust passage, 2. Solid matter recovery means, 3 Exhaust distribution chamber, 4. Solid matter trapping chamber, 5
... Porous body for guiding solid matter, 6... Exhaust inlet, 7...
Exhaust outlet, 8... 5 removal part body, 10... solid matter intake.
Claims (1)
２を設け、 固形物回収手段２は、排気流通室３と固形 物捕捉室４と固形物案内用多孔体５とから構成され、 排気流通室３及び固形物回収室４を排気路 １に対して並列状に配置し、排気流通室３の排気入口６
を排気路１に連通し、その排気出口７を外気に連通し、 上記固形物案内用多孔体５は、その一部が 排気入口６に近付き、その他部が排気出口７に近付くよ
うに、排気流通室３内に通路横断傾斜状に配置され、 固形物案内用多孔体５のうちの排気出口７ に近付く排除部位８を前記固形物捕捉室４の固形物取り
入れ口１０に臨ませたことを特徴とするディーゼルエン
ジンの排気の固形物回収装置 ２、排気流通室３内に複数枚の固形物案内用多孔体５・
５・・・を通気間隙１１を空けて通気方向に対して積層
状に配置し、 排気入口６に近い固形物案内用多孔体５の 開口度を大きくし、排気出口７に近い当該多孔体５の開
口度を小さく設定したことを特徴とする請求項１に記載
のディーゼルエンジンの排気の固形物回収装置[Claims] 1. A solid matter recovery means 2 is provided in the exhaust path 1 of the diesel engine E, and the solid matter recovery means 2 includes an exhaust flow chamber 3, a solid matter trapping chamber 4, and a porous body 5 for guiding solid matter. The exhaust flow chamber 3 and the solid matter recovery chamber 4 are arranged in parallel with the exhaust passage 1, and the exhaust inlet 6 of the exhaust flow chamber 3 is arranged in parallel with the exhaust passage 1.
is connected to the exhaust passage 1, and its exhaust outlet 7 is communicated with the outside air. It is arranged in the distribution chamber 3 in an inclined manner across the passage, and the removal portion 8 of the porous body 5 for guiding solids that approaches the exhaust outlet 7 faces the solids intake port 10 of the solids trapping chamber 4. Features: Diesel engine exhaust solid matter recovery device 2, in which a plurality of porous bodies 5 for guiding solid matter are provided in the exhaust gas distribution chamber 3.
5... are arranged in a stacked manner in the ventilation direction with ventilation gaps 11 left, the opening degree of the porous body 5 for solid material guide near the exhaust inlet 6 is increased, and the porous body 5 close to the exhaust outlet 7 is 2. The diesel engine exhaust solid matter recovery device according to claim 1, wherein the opening degree of the diesel engine is set small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2236561A JPH04116213A (en) | 1990-09-04 | 1990-09-04 | Solid recovery device for exhaust of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2236561A JPH04116213A (en) | 1990-09-04 | 1990-09-04 | Solid recovery device for exhaust of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04116213A true JPH04116213A (en) | 1992-04-16 |
Family
ID=17002465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2236561A Pending JPH04116213A (en) | 1990-09-04 | 1990-09-04 | Solid recovery device for exhaust of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04116213A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667080A (en) * | 2009-12-22 | 2012-09-12 | 卡特彼勒公司 | Exhaust system having an aftertreatment module |
-
1990
- 1990-09-04 JP JP2236561A patent/JPH04116213A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667080A (en) * | 2009-12-22 | 2012-09-12 | 卡特彼勒公司 | Exhaust system having an aftertreatment module |
| DE112010004962B4 (en) | 2009-12-22 | 2024-02-22 | Caterpillar Inc. | Exhaust system with an aftertreatment module |
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