CN205779253U - A kind of diesel engine of hot tail gas processing means - Google Patents
A kind of diesel engine of hot tail gas processing means Download PDFInfo
- Publication number
- CN205779253U CN205779253U CN201620434668.1U CN201620434668U CN205779253U CN 205779253 U CN205779253 U CN 205779253U CN 201620434668 U CN201620434668 U CN 201620434668U CN 205779253 U CN205779253 U CN 205779253U
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- Prior art keywords
- diesel engine
- gas treatment
- storage box
- vent gas
- connects
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Abstract
The utility model discloses the diesel engine of a kind of hot tail gas processing means, including diesel engine body and cyclic water tank, connect in diesel engine body and have offgas duct, offgas duct is provided with corrugated tube, the end of offgas duct connects combustor again, combustor connects again bulky grain filter chamber, bulky grain is provided with drainage screen in filter chamber, bulky grain filter chamber connects vent gas treatment room, the left part of vent gas treatment indoor is provided with oxidation catalyst, the right part of vent gas treatment room is provided with ceramic honeycomb carrier, the outside of oxidation catalyst and ceramic honeycomb carrier is equipped with heat-insulating and shock-absorbing layer, vent gas treatment room is connected by pipeline heat exchanger, heat exchanger is connected with cyclic water tank by circulating line, the offgas outlet of heat exchanger connects water storage box, the tank wall of water storage box is provided with cavity, the right side of water storage box is provided with the exhaust emission tube connected with cavity.This utility model simple in construction, easy to use, vent gas treatment is effective, and service life is long, energy-conserving and environment-protective.
Description
Technical field
This utility model relates to Diesel Engine Technique Field, the diesel engine of a kind of hot tail gas processing means.
Background technology
The granule of exhaust emissions of diesel engine is typically used wall-flow ceramic filter to catch by prior art; when the particle accumulation in ceramic filter is to time a certain amount of; when i.e. arriving regeneration point, ceramic filter being regenerated, by heating, burning, granule being removed again to filter.Owing to the exhaust temperature after filtering is too high, directly discharge can produce danger, the most a part of tiny particulate matter still may be discharged away, the size of these particulate matters only has submicron order, so almost all is inhaled in human body, heart and respiratory tract injury to human body are very big, for improving atmospheric environment, ensureing the health of the mankind, the purified treatment of diesel engine vent gas is the problem needing to solve.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, the diesel engine of hot tail gas processing means easy to use, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of diesel engine of hot tail gas processing means，Including diesel engine body and cyclic water tank，Connect in described diesel engine body and have offgas duct，Described offgas duct is provided with corrugated tube，The end of offgas duct connects combustor again，Described combustor again connects bulky grain filter chamber，It is provided with drainage screen in described bulky grain filter chamber，Bulky grain filter chamber connects vent gas treatment room，The left part of described vent gas treatment indoor is provided with oxidation catalyst，The right part of vent gas treatment room is provided with ceramic honeycomb carrier，The outside of described oxidation catalyst and ceramic honeycomb carrier is equipped with heat-insulating and shock-absorbing layer，Vent gas treatment room is connected by pipeline heat exchanger，Described heat exchanger is connected with cyclic water tank by circulating line，The offgas outlet of heat exchanger connects water storage box，The tank wall of described water storage box is provided with cavity，The right side of water storage box is provided with the exhaust emission tube connected with cavity，Described water storage box is connected with cyclic water tank by pipeline.
As further program of the utility model: described heat exchanger connects with the cavity of water storage box.
As this utility model further scheme: described heat-insulating and shock-absorbing layer is made up of metal gauze and ceramic fiber cloth, metal gauze is arranged in ceramic fiber cloth, metal gauze contacts with vent gas treatment chamber interior walls, and ceramic fiber cloth contacts with oxidation catalyst and ceramic honeycomb carrier.
nullCompared with prior art，The beneficial effects of the utility model are: be provided with bulky grain Rose Box，A large amount of solid particle can be removed，It is easy to follow-up further vent gas treatment，The service life of extension device，It is provided with cyclic water tank，By the entrance heat exchanger repeatedly of the aqueous water in cyclic water tank，And in heat exchanger, carry out heat exchange with waste gas，Both the purpose to waste gas cooling had been reached，Again aqueous water is changed into water vapour，And it is stored in cyclic water tank，For other purposes，Through the waste gas once the lowered the temperature cavity by water storage box，Water in water storage box is heated，Realize the reducing temperature twice of waste gas，Water after heating in water storage box can discharge into cyclic water tank can also be otherwise utilized，Improve the utilization rate of resource，Reduce the waste of resource，It is provided with vent gas treatment room，Harmful components HC in tail gas under the effect of oxidation catalyst、Organic substance in CO and soot particulate (PM) enters oxidation catalyst and carries out single filter，It is oxidized to CO under catalyst action2And water, NO is then oxidized to the NO that reducing property is higher2Then under the effect of ceramic honeycomb carrier; carbon granule in waste gas will be filtered to be caught on next door; and under the effect of hot conditions catalyst coat; carbon soot particles can progressively burn and aoxidize; rely on diesel engine own temperature to realize the regeneration of ceramic honeycomb carrier, further increase tail gas clean-up effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of diesel engine of hot tail gas processing means，Including diesel engine body 1 and cyclic water tank 15，Connect in described diesel engine body 1 and have offgas duct 2，Described offgas duct 2 is provided with corrugated tube 3，The end of offgas duct 2 connects combustor 4 again，Described combustor again 4 connects bulky grain filter chamber 5，It is provided with drainage screen 6 in described bulky grain filter chamber 5，A large amount of solid particle can be removed，It is easy to follow-up further vent gas treatment，The service life of extension device，Bulky grain filter chamber 5 connects vent gas treatment room 7，Left part in described vent gas treatment room 7 is provided with oxidation catalyst 8，The right part of vent gas treatment room 7 is provided with ceramic honeycomb carrier 9，The outside of described oxidation catalyst 8 and ceramic honeycomb carrier 9 is equipped with heat-insulating and shock-absorbing layer 10，Described heat-insulating and shock-absorbing layer 10 is made up of metal gauze and ceramic fiber cloth，Metal gauze is arranged in ceramic fiber cloth，Metal gauze and vent gas treatment room 7 contact internal walls，Ceramic fiber cloth contacts with oxidation catalyst 8 and ceramic honeycomb carrier 9，Harmful components HC in tail gas under the effect of oxidation catalyst 8、Organic substance in CO and soot particulate PM enters oxidation catalyst 8 and carries out single filter，It is oxidized to CO under catalyst action2And water, NO is then oxidized to the NO that reducing property is higher2Then under the effect of ceramic honeycomb carrier 9; carbon granule in waste gas will be filtered to be caught on next door; and under the effect of hot conditions catalyst coat; carbon soot particles can progressively burn and aoxidize; rely on diesel engine own temperature to realize the regeneration of ceramic honeycomb carrier, further increase tail gas clean-up effect.
Vent gas treatment room 7 is connected by pipeline heat exchanger 11, described heat exchanger 11 is connected with cyclic water tank 15 by circulating line, the offgas outlet of heat exchanger 11 connects water storage box 12, the tank wall of described water storage box 12 is provided with cavity 13, heat exchanger 11 connects with the cavity 13 of water storage box 12, the right side of water storage box 12 is provided with the exhaust emission tube 14 connected with cavity 13, and described water storage box 12 is connected with cyclic water tank 15 by pipeline.Such structure arranges the entrance heat exchanger 11 repeatedly of the aqueous water in cyclic water tank 15, and in heat exchanger 11, carry out heat exchange with waste gas, both the purpose to waste gas cooling had been reached, again aqueous water is changed into water vapour, and it is stored in cyclic water tank 15, for other purposes, waste gas through once lowering the temperature passes through the cavity 13 of water storage box 12, water in water storage box 12 is heated, realize the reducing temperature twice of waste gas, water after heating in water storage box 12 can discharge into cyclic water tank 15 can also be otherwise utilized, improve the utilization rate of resource, reduce the waste of resource.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (3)
- null1. the diesel engine of a hot tail gas processing means，Including diesel engine body (1) and cyclic water tank (15)，It is characterized in that，The upper connection of described diesel engine body (1) has offgas duct (2)，Described offgas duct (2) is provided with corrugated tube (3)，The end of offgas duct (2) connects again combustor (4)，Described combustor again (4) connects bulky grain filter chamber (5)，It is provided with drainage screen (6) in described bulky grain filter chamber (5)，Bulky grain filter chamber (5) connects vent gas treatment room (7)，Left part in described vent gas treatment room (7) is provided with oxidation catalyst (8)，The right part of vent gas treatment room (7) is provided with ceramic honeycomb carrier (9)，The outside of described oxidation catalyst (8) and ceramic honeycomb carrier (9) is equipped with heat-insulating and shock-absorbing layer (10)，Vent gas treatment room (7) is connected by pipeline heat exchanger (11)，Described heat exchanger (11) is connected with cyclic water tank (15) by circulating line，The offgas outlet of heat exchanger (11) connects water storage box (12)，The tank wall of described water storage box (12) is provided with cavity (13)，The right side of water storage box (12) is provided with the exhaust emission tube (14) connected with cavity (13)，Described water storage box (12) is connected with cyclic water tank (15) by pipeline.
- The diesel engine of a kind of hot tail gas processing means the most according to claim 1, it is characterised in that described heat exchanger (11) connects with the cavity (13) of water storage box (12).
- The diesel engine of a kind of hot tail gas processing means the most according to claim 1, it is characterized in that, described heat-insulating and shock-absorbing layer (10) is made up of metal gauze and ceramic fiber cloth, metal gauze is arranged in ceramic fiber cloth, metal gauze and vent gas treatment room (7) contact internal walls, ceramic fiber cloth contacts with oxidation catalyst (8) and ceramic honeycomb carrier (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620434668.1U CN205779253U (en) | 2016-05-12 | 2016-05-12 | A kind of diesel engine of hot tail gas processing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620434668.1U CN205779253U (en) | 2016-05-12 | 2016-05-12 | A kind of diesel engine of hot tail gas processing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779253U true CN205779253U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620434668.1U Expired - Fee Related CN205779253U (en) | 2016-05-12 | 2016-05-12 | A kind of diesel engine of hot tail gas processing means |
Country Status (1)
| Country | Link |
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| CN (1) | CN205779253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096516A (en) * | 2019-06-18 | 2020-12-18 | 温特图尔汽柴油公司 | Internal combustion engine and method for particulate matter emission |
-
2016
- 2016-05-12 CN CN201620434668.1U patent/CN205779253U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096516A (en) * | 2019-06-18 | 2020-12-18 | 温特图尔汽柴油公司 | Internal combustion engine and method for particulate matter emission |
| CN112096516B (en) * | 2019-06-18 | 2023-09-29 | 温特图尔汽柴油公司 | Internal combustion engine and method for particulate matter emission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170512 |