CN202811021U - High-power diesel engine tail gas denitration selective catalytic reduction (SCR) purifier device for ship - Google Patents
High-power diesel engine tail gas denitration selective catalytic reduction (SCR) purifier device for ship Download PDFInfo
- Publication number
- CN202811021U CN202811021U CN 201220513249 CN201220513249U CN202811021U CN 202811021 U CN202811021 U CN 202811021U CN 201220513249 CN201220513249 CN 201220513249 CN 201220513249 U CN201220513249 U CN 201220513249U CN 202811021 U CN202811021 U CN 202811021U
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- China
- Prior art keywords
- diesel engine
- tail gas
- gas denitration
- catalyzer
- engine tail
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- Expired - Fee Related
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Abstract
The utility model relates to a high-power diesel engine tail gas denitration selective catalytic reduction (SCR) purifier device for a ship. The purifier device comprises a box body, an upper panel, a lower panel and a catalyst unit. Catalysts are arranged in a catalyst drum to form the catalyst unit, and ceramic fiber is filled between the catalysts and the catalyst drum to seal. The upper end of the catalyst drum is welded with the upper panel in a sealing mode, and the lower end of the catalyst drum is welded with the lower panel in a sealing mode. A catalyst unit mounting hole is formed in the upper panel, and the catalyst unit is arranged in the catalyst unit mounting hole which is located in the box body. The high-power diesel engine tail gas denitration SCR purifier device is reasonable in structure, increases the size of an existing diesel engine tail gas denitration SCR catalyst, reduces the number of the catalysts at the time of ensuring conversion efficiency, and reduces complexity of devices. A plurality of catalysts are mounted integrally, so stability of the devices is strengthened, and mounting difficulty is reduced.
Description
Technical field
The utility model relates to a kind of Marine High-power Diesel Engine tail gas denitration SCR purifier device, specifically relates to be integrated with the layout of crossing the gas passage of catalyzer.
Background technique
At present, conventional diesel engine vent gas denitration SCR system is because its throughput is little, and single catalyzer just can meet the demands.The tail gas discharge capacity of high-power diesel engine is large, needs enough waiting time to guarantee the conversion efficiency of NOx, if use the catalyzer of stock size, the quantity that needs is too much.Too much catalyzer has caused the unstability when difficulty and operation are installed, in the SCR system of the catalyzer that One's name is legion is installed, when one of them occurs damagedly just causing easily the gas circuit short circuit, so that the transformation efficiency of whole SCR system reduces.Simultaneously, although existing industrial large scale SCR catalyzer can satisfy in air speed the needs of Marine High-power Diesel Engine tail gas denitration, its aperture is excessive, and transformation efficiency is excessively low.Existing diesel SCR catalytic agent and industrial SCR catalyzer all can not satisfy the needs of Marine High-power Diesel Engine tail gas denitration.
Summary of the invention
The purpose of this utility model is to solve the deficiency that the conventional scr catalyzer is applied to the denitration of Marine High-power Diesel Engine tail gas, a kind of Marine High-power Diesel Engine tail gas denitration SCR purifier device is provided, and this purifier device can be applicable to the large discharge capacity environment of Marine High-power Diesel Engine.
According to the technological scheme that the utility model provides, Marine High-power Diesel Engine tail gas denitration SCR purifier device comprises casing, top plate, lower panel, catalyst elements; Described catalyst elements is comprised of the catalyzer catalyzer cylinder of packing into, fills sealing with ceramic fiber between catalyzer and the catalyzer cylinder; Described catalyzer cylinder upper end seal welding top plate, described catalyzer cylinder lower end seal welding lower panel, be provided with the catalyst elements mounting hole in the above on the plate, described catalyst elements mounting hole Inner installs catalyst elements, and described catalyst elements is installed in casing Inner.
As further improvement of the utility model, described casing also comprises epipleural, lower side panel, and epipleural, lower side panel are welded in respectively between top plate and the lower panel and form casing.
As further improvement of the utility model, be provided with bolt connecting hole on the described top plate.
As further improvement of the utility model, the number of described catalyst elements is six.
Compared with the prior art the utility model has the following advantages:
The utility model is rational in infrastructure; Increase the size of existing diesel tail gas denitration SCR catalyzer, can when guaranteeing conversion efficiency, reduce the number of catalyzer, the complexity of the equipment of reduction; Integrated rear unified installation of a plurality of catalyzer can strengthen the stability of equipment, reduced installation difficulty.
Description of drawings
Fig. 1 is the axonometric drawings such as purifier device outward appearance.
Fig. 2 is purifier device internal structure front elevation.
Fig. 3 is purifier device internal structure left view.
Fig. 4 is the upper and lower panel structural drawing.
Fig. 5 is casing epipleural structural drawing.
Fig. 6 is casing lower side panel structural drawing.
Fig. 7 is the purifier unit structural drawing.
Embodiment
Such as Fig. 1 ~ shown in Figure 7, comprise casing 1, top plate 2, lower panel 3, catalyst elements 4, bolt connecting hole 5, catalyst elements mounting hole 6, epipleural 7, lower side panel 8, catalyzer cylinder 9, catalyzer 10, sealed ceramic fiber 11.
As shown in Figure 1, the utility model comprises casing 1, top plate 2, lower panel 3, catalyst elements 4; As shown in Figure 7, described catalyst elements 4 is comprised of the catalyzer 10 catalyzer cylinder 9 of packing into, fills sealing with sealed ceramic fiber 11 between catalyzer 10 and the catalyzer cylinder 9, plays simultaneously the effect of sealing and damping; Such as Fig. 2 ~ shown in Figure 4, the number of catalyst elements 4 is 6, is that 3 * 2 layouts distribute.Catalyzer cylinder 9 upper end seal welding top plates 2, institute's catalyzer cylinder 9 lower end seal welding lower panels 3 are installed casing 1 around its one; Be provided with bolt connecting hole 5 and six catalyst elements mounting holes 6 in the above on the plate 2, described catalyst elements mounting hole 6 is installed six catalyst elements 4.Epipleural 7, lower side panel 8 are welded in respectively and form casing 1 between top plate 2 and the lower panel 3.Top plate 2 is bolted with the square flange of inlet cone, and lower panel 3 is bolted with the square flange that goes out gas coning.
The utility model working principle and working procedure:
Tail gas and NH
3After entering purifier device by inlet cone after mixing, six air-flow paths by top plate 2 enter into six catalyst elements 4, and NOx is under the effect of catalyzer 10 and NH
3Reaction generates nontoxic N
2And H
2O has the gas coning of going out to gather to be delivered in the gas exhaust piping and discharges.Catalyzer is the extruded type honeycombed catalyst in the utility model, is produced by Cormetech company; Φ 610 * 480, main component: TiO2 is base material, take V2O5 as main active ingredient, take WO3 as anti-oxidant, the auxiliary composition of antitoxinization.
The utility model has increased the area of passage of catalyzer, guarantee the waiting time condition under, can reduce the quantity of catalyzer, simplify the air-flow smoothness and reduce the operation troubles rate; 6 unified designs of installing of catalyst elements can be lowered installation difficulty, maintain easily and overhaul.
The utility model mixed airflow can evenly enter 6 catalyst channels through inlet cone, and the catalysis by catalyzer is converted into harmless N with NOx
2
The utility model energy effective application when guaranteeing transformation efficiency, reduces the catalyzer number in Marine High-power Diesel Engine tail gas denitration SCR system, is easy to the installation and repairing between sailing date that is easy to be expert at simple in structure is installed.
Claims (4)
1. a Marine High-power Diesel Engine tail gas denitration SCR purifier device is characterized in that: comprise casing (1), top plate (2), lower panel (3) and catalyst elements (4); Described catalyst elements (4) is comprised of catalyzer (10) the catalyzer cylinder (9) of packing into, fills sealing with ceramic fiber (11) between catalyzer (10) and the catalyzer cylinder (9); Described catalyzer cylinder (9) upper end welds upper plate (2), described catalyzer cylinder (9) lower end welding lower panel (3), be provided with catalyst elements mounting hole (6) on the plate (2) in the above, described catalyst elements mounting hole (6) Inner installs catalyst elements (4), and described catalyst elements (4) is installed in casing (1) Inner.
2. Marine High-power Diesel Engine tail gas denitration SCR purifier device as claimed in claim 1, it is characterized in that: described casing (1) also comprises epipleural (7), lower side panel (8), and epipleural (7), lower side panel (8) are welded in respectively between top plate (2) and the lower panel (3).
3. Marine High-power Diesel Engine tail gas denitration SCR purifier device as claimed in claim 1 is characterized in that: be provided with bolt connecting hole (5) on the described top plate (2).
4. Marine High-power Diesel Engine tail gas denitration SCR purifier device as claimed in claim 1, it is characterized in that: the number of described catalyst elements (4) is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220513249 CN202811021U (en) | 2012-09-29 | 2012-09-29 | High-power diesel engine tail gas denitration selective catalytic reduction (SCR) purifier device for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220513249 CN202811021U (en) | 2012-09-29 | 2012-09-29 | High-power diesel engine tail gas denitration selective catalytic reduction (SCR) purifier device for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811021U true CN202811021U (en) | 2013-03-20 |
Family
ID=47869917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220513249 Expired - Fee Related CN202811021U (en) | 2012-09-29 | 2012-09-29 | High-power diesel engine tail gas denitration selective catalytic reduction (SCR) purifier device for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852608A (en) * | 2012-09-29 | 2013-01-02 | 江苏绿源环保科技有限公司 | Tail gas denitration SCR (Selective Catalytic Reduction) purifier device for marine high-power diesel engine |
| WO2018082381A1 (en) * | 2016-11-04 | 2018-05-11 | 天纳克（苏州）排放系统有限公司 | Box-type exhaust aftertreatment device |
-
2012
- 2012-09-29 CN CN 201220513249 patent/CN202811021U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852608A (en) * | 2012-09-29 | 2013-01-02 | 江苏绿源环保科技有限公司 | Tail gas denitration SCR (Selective Catalytic Reduction) purifier device for marine high-power diesel engine |
| WO2018082381A1 (en) * | 2016-11-04 | 2018-05-11 | 天纳克（苏州）排放系统有限公司 | Box-type exhaust aftertreatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TENNECO (CHINA) CO., LTD. Free format text: FORMER OWNER: JIANGSU LVYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date: 20140415 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 214142 WUXI, JIANGSU PROVINCE TO: 200000 HUANGPU, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140415 Address after: A C-D 17 Jiujiang road Whampoa District Shanghai City, No. 686 building, Baolong 200000 Patentee after: Tenneco (Chinese) Co. Ltd. Address before: 214142 Jiangsu province Wuxi New Area Shuofang Industrial Park Road two Zhenfa Patentee before: Jiangsu Lvyuan Environmental Protection Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |