JPH0479920U - - Google Patents
Info
- Publication number
- JPH0479920U JPH0479920U JP12335590U JP12335590U JPH0479920U JP H0479920 U JPH0479920 U JP H0479920U JP 12335590 U JP12335590 U JP 12335590U JP 12335590 U JP12335590 U JP 12335590U JP H0479920 U JPH0479920 U JP H0479920U
- Authority
- JP
- Japan
- Prior art keywords
- reducing agent
- exhaust gas
- cylindrical container
- blowing member
- catalyst
- 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
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims 3
- 239000000446 fuel Substances 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009924 canning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Description
第１図乃至第４図はこの考案の一実施例を示す
もので、第１図はデイーゼルエンジンの排気ガス
処理装置の要部構成を示す概略構成図、第２図は
還元剤吹出し部材の取付け状態を示す正面図、第
３図はコントローラの制御動作を説明するための
フローチヤート、第４図は触媒本体の各位置にお
けるエンジン運転中のＨＣ／ＮＯＸの算出値の変
化状態を示す特性図、第５図および第６図は他の
実施例を示すもので、第５図は還元剤吹出し部材
の取付け状態を示す正面図、第６図は触媒コンバ
ータの円筒状容器内の排気ガスの流速分布を示す
特性図、第７図はさらに別の実施例における還元
剤吹出し部材の取付け状態を示す正面図である。
１……排気ガス通路、３……触媒コンバータ、
４……キヤニングケース（筒状容器）、５……触
媒、８……吹出し部材、１３……還元剤供給路、
１４……燃料タンク、１５……還元剤供給機構。
Figures 1 to 4 show an embodiment of this invention, with Figure 1 being a schematic configuration diagram showing the main parts of an exhaust gas treatment device for a diesel engine, and Figure 2 showing the installation of a reducing agent blowing member. 3 is a flowchart for explaining the control operation of the controller; FIG. 4 is a characteristic diagram showing changes in the calculated value of HC/NOX during engine operation at each position of the catalyst body; 5 and 6 show other embodiments, FIG. 5 is a front view showing how the reducing agent blowing member is installed, and FIG. 6 is the flow velocity distribution of exhaust gas in the cylindrical container of the catalytic converter. FIG. 7 is a front view showing the attached state of the reducing agent blowing member in yet another embodiment. 1... Exhaust gas passage, 3... Catalytic converter,
4...Canning case (cylindrical container), 5...Catalyst, 8...Blowout member, 13...Reducing agent supply path,
14...Fuel tank, 15...Reducing agent supply mechanism.
Claims (1)
状容器内に窒素酸化物浄化用の触媒が装着された
排気ガス処理装置において、 前記触媒に付着された酸素を除去する還元剤の
吹出し部材を前記筒状容器内に設けるとともに、
一端が燃料タンク側に連結され、他端が前記還元
剤吹出し部材に連結された還元剤用燃料の供給路
を設け、この供給路を介して供給される燃料を還
元剤として前記吹出し部材を経て前記触媒コンバ
ータの筒状容器内に導入する還元剤供給機構を設
けたことを特徴とする排気ガス処理装置。[Scope of Claim for Utility Model Registration] In an exhaust gas treatment device in which a catalyst for purifying nitrogen oxides is installed in a cylindrical container of a catalytic converter installed in an exhaust gas passage, oxygen adhering to the catalyst is removed. A reducing agent blowing member is provided in the cylindrical container, and
A reducing agent fuel supply path is provided, one end of which is connected to the fuel tank side, and the other end of which is connected to the reducing agent blowing member, and the fuel supplied through this feeding path is used as a reducing agent to pass through the blowing member. An exhaust gas treatment device comprising a reducing agent supply mechanism for introducing the reducing agent into the cylindrical container of the catalytic converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12335590U JPH0479920U (en) | 1990-11-21 | 1990-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12335590U JPH0479920U (en) | 1990-11-21 | 1990-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479920U true JPH0479920U (en) | 1992-07-13 |
Family
ID=31871068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12335590U Pending JPH0479920U (en) | 1990-11-21 | 1990-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479920U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6338616B2 (en) * | 1984-04-10 | 1988-08-01 | Toyota Motor Co Ltd | |
| JPS6338619B2 (en) * | 1984-09-20 | 1988-08-01 | Matsushita Electric Works Ltd |
-
1990
- 1990-11-21 JP JP12335590U patent/JPH0479920U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6338616B2 (en) * | 1984-04-10 | 1988-08-01 | Toyota Motor Co Ltd | |
| JPS6338619B2 (en) * | 1984-09-20 | 1988-08-01 | Matsushita Electric Works Ltd |
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