CN115788632B - Engine tail gas treatment method - Google Patents
Engine tail gas treatment method Download PDFInfo
- Publication number
- CN115788632B CN115788632B CN202211564361.XA CN202211564361A CN115788632B CN 115788632 B CN115788632 B CN 115788632B CN 202211564361 A CN202211564361 A CN 202211564361A CN 115788632 B CN115788632 B CN 115788632B
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- Prior art keywords
- tail gas
- pipe
- tail
- exhaust pipe
- exhaust
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 42
- 230000003197 catalytic effect Effects 0.000 claims abstract description 35
- 230000003647 oxidation Effects 0.000 claims description 16
- 238000007254 oxidation reaction Methods 0.000 claims description 16
- 238000006722 reduction reaction Methods 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0093—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are of the same type
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2053—By-passing catalytic reactors, e.g. to prevent overheating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention provides an engine tail gas treatment method which comprises an exhaust pipe, tail gas catalytic assemblies, heat-sensitive metal sheets I, radiating pipes, a manifold, a plugging plate, tail pipes, heat-sensitive metal sheets II and a turbine, wherein the tail gas catalytic assemblies are arranged in the exhaust pipe in a clearance mode, the heat-sensitive metal sheets I are arranged between two adjacent tail gas catalytic assemblies and are close to the air inlet end of the exhaust pipe, the radiating pipes are communicated with the air inlet end of the exhaust pipe, one end of each manifold is communicated with the radiating pipes, and the other end of each manifold is communicated with the main body of the exhaust pipe. The heat-sensitive metal sheet I prevents the tail gas from being transferred to the next tail gas catalytic assembly so that the tail gas is gathered, then the just-started vehicle tail gas can also keep a higher temperature when entering the exhaust pipe, and then the tail gas catalytic assembly is in a high-efficiency catalytic state when the automobile just starts, so that the effect of tail gas treatment is ensured, and the tail gas enters the exhaust pipe through the radiating pipe when the temperature of the exhaust pipe is too high, so that the inside of the exhaust pipe is cooled.
Description
Technical Field
The application is a divisional application of China patent application with the application number 202210231781.X filed on the application date 2022, 3 and 10, and the invention name of the patent application is an engine tail gas treatment system and a method thereof.
Background
In the engine exhaust gas treatment system and the method thereof provided by publication number CN108561214B, in the prior art, power is generated through exhaust gas, so that when the exhaust gas is treated, the components used as oxidation and reduction are not involved in heat preservation and heat dissipation, and when the engine is just started, the exhaust gas rapidly diffuses in the exhaust pipe, so that the temperature gradient at the oxidation and reduction components is lower than the optimal oxidation and reduction temperature, and the treatment effect is poor.
The high-efficiency catalytic processor for exhaust emission of automobiles and engines provided by publication No. CN104863674B heats the exhaust pipe in an active heating mode, so that the exhaust pipe is in a temperature gradient suitable for the oxidation and reduction components, and the intervention of the active heating component consumes energy.
Disclosure of Invention
The invention aims to provide an engine exhaust gas treatment system and an engine exhaust gas treatment method, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an engine exhaust treatment system, includes blast pipe, tail gas catalytic assembly, heat-sensitive metal sheet I, cooling tube, manifold, shutoff board, tail pipe, heat-sensitive metal sheet II and turbine, wherein:
the exhaust pipe is internally provided with a tail gas catalytic assembly in a gap, the heat-sensitive metal sheet I is arranged between two adjacent tail gas catalytic assemblies and is close to the air inlet end of the exhaust pipe, the radiating pipe is communicated with the air inlet end of the exhaust pipe, one end of the manifold is communicated with the radiating pipe, the other end of the manifold is communicated with the main body of the exhaust pipe, the plugging plate is movably arranged at the air inlet end of the radiating pipe, the radiating pipe is in a plugging state when the plugging plate is pulled out, the tail pipe is communicated with the air outlet end of the exhaust pipe, the heat-sensitive metal sheet II is arranged in the tail pipe, the turbine is rotatably arranged at the end part of the tail pipe, the end faces of the heat-sensitive metal sheet I and the heat-sensitive metal sheet II are respectively provided with a through wire groove, the fin parts formed between the wire groove and the body are tilted when the temperature reaches the heat-sensitive limit, and the driving assembly is arranged between the turbine and the plugging plate, and the heat-sensitive metal sheet can be pulled to move towards the direction far away from the radiating pipe when the turbine rotates, so that the heat-sensitive pipe is in a smooth state is realized.
Preferably, the plugging plate is installed in the guide groove on the radiating pipe in a matched mode, and a spring is arranged between the plugging plate and the radiating pipe.
Preferably, the driving assembly consists of a winding wheel and a rope, wherein the winding wheel is connected with the turbine, the rope is wound on the winding wheel, and the other end of the rope is connected with the plugging plate.
Preferably, the thermosensitive temperature of the thermosensitive metal sheet i is different from the thermosensitive temperature of the thermosensitive metal sheet ii.
Preferably, a one-way valve is arranged at the position where the manifold is communicated with the exhaust pipe.
An engine exhaust gas treatment method comprising the steps of:
s1, butting an exhaust pipe with an engine;
s2, enabling the tail gas to enter an exhaust pipe, and carrying out oxidation and reduction reactions on the tail gas by the tail gas catalytic assembly;
s3, discharging the treated tail gas along an exhaust pipe;
preferably, the heat-sensitive metal sheet I can hinder the tail gas and transmit to next tail gas catalytic assembly when handling the tail gas, then just get into the exhaust pipe when this moment and gather, and then the temperature of the undiffused tail gas keeps higher state, then the tail gas is in efficient clearance state, and the temperature of exhaust pipe will rise when the tail gas continuously gets into, if the exhaust of the interior tail gas of continuous hindrance blast pipe will influence the normal work of engine, and the fin portion of heat-sensitive metal sheet I pops up this moment, and then the tail gas transmits to next tail gas catalytic assembly on.
Preferably, the exhaust gas discharged in S3 passes through the tail pipe, and when the exhaust gas temperature is too high, the exhaust gas is too high, and the temperature of the exhaust pipe is too high, and the oxidation and reduction reaction is slow, at this time, the fin portion of the heat-sensitive metal sheet ii in the tail pipe is sprung up, and then part of the exhaust gas is discharged along the tail pipe, at this time, the turbine at the end of the tail pipe rotates under the action of the exhaust gas, and then the winding wheel rotates along with the winding wheel, and then the winding wheel continuously winds the rope, the rope pulls the sealing plate to move towards the direction away from the radiating pipe, and then the radiating pipe is smooth, at this time, the exhaust gas discharged from the engine enters the radiating pipe, the exhaust gas in the radiating pipe is cooled, and enters the exhaust pipe through the exhaust gas path manifold, and then the exhaust pipe is cooled, so that the temperature in the exhaust pipe is in the proper gradient of oxidation and reduction of the exhaust gas catalytic component, and after the temperature in the exhaust pipe is reduced, the temperature in the tail pipe is also reduced, at this time, the fin portion of the heat-sensitive metal sheet ii is folded, and then the driving wheel produced by the tail pipe is less than the pulling force of the spring to the sealing plate, and then the sealing plate is re-entered into the radiating pipe to seal.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the heat-sensitive metal sheet I prevents the tail gas from being transferred to the next tail gas catalytic assembly so as to gather the tail gas, so that the just-started vehicle tail gas can also keep a higher temperature when entering the exhaust pipe, and then the tail gas catalytic assembly is in a high-efficiency catalytic state when the automobile just starts, the effect of tail gas treatment is ensured, and when the temperature of the exhaust pipe is too high, the tail gas enters the exhaust pipe through the radiating pipe, and then the interior of the exhaust pipe is cooled, so that the tail gas catalytic assembly is always in the high-efficiency catalytic state.
Drawings
FIG. 1 is a three-dimensional schematic of the overall structure of the present invention;
FIG. 2 is a full cross-sectional view of the FIG. 1 front view;
FIG. 3 is a full cross-sectional view of the top view of FIG. 1;
FIG. 4 is a schematic view of portion A in FIG. 1;
FIG. 5 is a schematic view of portion B of FIG. 3;
FIG. 6 is a schematic view of portion C in FIG. 3;
FIG. 7 is a three-dimensional schematic view of a heat-sensitive sheet metal I of the present invention;
in the figure: the exhaust pipe comprises an exhaust pipe 1, an exhaust catalytic assembly 2, a heat-sensitive metal sheet I3, a radiating pipe 4, a manifold 5, a plugging plate 6, a tail pipe 7, a heat-sensitive metal sheet II 8, a turbine 9, a winding wheel 10, a rope 11, a fin part 31, a one-way valve 51 and a spring 61.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
referring to fig. 1 to 7, the present invention provides a technical solution:
an engine exhaust gas treatment system, includes blast pipe 1, tail gas catalytic assembly 2, heat sensitive metal sheet I3, cooling tube 4, manifold 5, shutoff board 6, tail pipe 7, heat sensitive metal sheet II 8 and turbine 9, wherein:
the exhaust catalytic assembly 2 is arranged in the exhaust pipe 1 in a clearance way, wherein the exhaust catalytic assembly 2 is used for catalyzing harmful gas in the exhaust gas, so that the harmful gas is converted into nontoxic and harmless gas, the thermosensitive metal sheet I3 is arranged between two adjacent exhaust catalytic assemblies 2 and is close to the air inlet end of the exhaust pipe 1, the radiating pipe 4 is communicated with the air inlet end of the exhaust pipe 1, the manifold 5 is communicated with one end of the exhaust pipe 1 and the radiating pipe 4, the other end of the manifold is communicated with the main body part of the exhaust pipe 1, the plugging plate 6 is matched and installed in a guide groove on the radiating pipe 4, a spring 61 is arranged between the plugging plate 6 and the radiating pipe 4, when the plugging plate 6 is pulled out, the radiating pipe 4 is in a plugging state, the tail pipe 7 is communicated with the air outlet end of the exhaust pipe 1, and the treated exhaust gas is discharged through the exhaust pipe 1 and the tail pipe 7, the heat-sensitive metal sheet II 8 is arranged in the tail pipe 7, the heat-sensitive metal sheet II 8 can play a role in obstructing exhaust of the tail pipe 7, the turbine 9 is rotatably arranged at the end part of the tail pipe 7, the end surfaces of the heat-sensitive metal sheet I3 and the heat-sensitive metal sheet II 8 are provided with through wire grooves, fin parts 31 formed between the wire grooves and the body on the heat-sensitive metal sheet I3 and the heat-sensitive metal sheet II 8 are tilted when the temperature reaches the heat-sensitive limit, a driving component is arranged between the turbine 9 and the plugging plate 6, the plugging plate 6 can be pulled to move in the direction away from the radiating pipe 4 when the turbine 9 rotates, the radiating pipe 4 is smooth, the driving component consists of a winding wheel 10 and a rope 11, the winding wheel 10 is connected with the turbine 9, the rope 11 is wound on the winding wheel 10, and the other end of the winding wheel is connected with the plugging plate 6.
As a preferred embodiment, the thermosensitive temperature of the thermosensitive metal sheet i 3 is different from the thermosensitive temperature of the thermosensitive metal sheet ii 8, wherein the oxidation and reduction efficient stage of the exhaust gas catalytic assembly 2 needs to be in a fixed temperature gradient, for example, a gasoline engine, and the oxidation and reduction temperature of the exhaust gas is in a high efficient stage of 400-800 ℃, so that the fin portion 31 of the thermosensitive metal sheet i 3 is tilted after the exhaust gas reaches 400 ℃ when entering the exhaust pipe 1, and the oxidation and reduction speed is slowed down when the temperature exceeds 1000 ℃, and at this time, the temperature of the tail pipe 7 is raised, and the fin portion 31 of the thermosensitive metal sheet ii 8 is tilted when the temperature gradient reaches more than 800 ℃, so that the exhaust gas is smoothly discharged from the tail pipe 7.
In a preferred embodiment, a check valve 51 is provided at a position where the manifold 5 communicates with the exhaust pipe 1, so that the gas in the exhaust pipe 1 is prevented from flowing back toward the manifold 5.
An engine exhaust gas treatment method comprising the steps of:
s1, butting an exhaust pipe 1 with an engine;
s2, the tail gas enters the exhaust pipe 1, the tail gas catalytic assembly 2 carries out oxidation and reduction reactions on the tail gas, when the tail gas is treated, the heat-sensitive metal sheet I3 can prevent the tail gas from being transmitted to the next tail gas catalytic assembly 2, then the tail gas just entering the exhaust pipe 1 is gathered, the temperature of the un-diffused tail gas is kept in a higher state, the tail gas is in an efficient cleaning state, the temperature of the exhaust pipe 1 is quickly raised when the tail gas continuously enters, the normal operation of an engine can be influenced if the exhaust of the tail gas in the exhaust pipe 1 is continuously prevented, the fin parts 31 of the heat-sensitive metal sheet I3 are sprung up, and then the tail gas is transmitted to the next tail gas catalytic assembly 2, so that the exhaust pipe 1 is quickly heated when the engine is just started under the condition of ensuring smooth ventilation, and the efficient catalytic state of the tail gas catalytic assembly 2 is also ensured when the engine is just started;
s3, the treated tail gas is discharged along the exhaust pipe 1, part of the tail gas is slowly discharged through the tail pipe 7, when the temperature of the discharged tail gas is too high, the temperature of the exhaust pipe 1 is too high, oxidation and reduction reactions are delayed due to the too high temperature, at the moment, fin parts 31 of heat-sensitive metal sheets II 8 in the tail pipe 7 are sprung up, part of the tail gas is smoothly discharged along the tail pipe 7, at the moment, turbines 9 at the end parts of the tail pipe 7 rotate under the action of a large amount of discharged tail gas, further, winding wheels 10 rotate along with the tail gas, the rotating winding wheels 10 continuously wind ropes 11, then the ropes 11 pull sealing plates 6 to move in the direction away from the radiating pipes 4, further, the radiating pipes 4 are smooth, at the moment, the tail gas discharged from an engine can enter the radiating pipes 4, the tail gas is cooled in the radiating pipes 4, the tail gas is cooled through a cooled tail gas path manifold 5 and enters the exhaust pipe 1, at the moment, the temperature in the exhaust pipe 1 is enabled to be in a proper oxidation and reduction gradient of the tail gas in the catalytic assembly 2, at the moment, the temperature in the exhaust pipe 1 is lowered, the temperature in the tail gas is enabled to be subjected to follow the effect of a large amount of the discharged tail gas, the temperature in the direction of the tail pipe 7 is rotated, the tail gas is further, the temperature in the direction of the radiating fins 31 is cooled down, the heat-sensitive metal sheets 8 is cooled down, the tail gas is cooled, and then the tail gas is cooled down, and then the temperature is cooled down, and the tail gas is cooled down, and the temperature is further, and the temperature is cooled down, and finally, the tail pipe 6 is cooled by the sealing plate 6.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. An engine exhaust gas treatment method, characterized by comprising the following steps:
s1, butting an exhaust pipe (1) with an engine;
s2, enabling the tail gas to enter an exhaust pipe (1), and enabling a tail gas catalytic assembly (2) to carry out oxidation and reduction reactions on the tail gas;
s3, discharging the treated tail gas along an exhaust pipe (1);
s2 can hinder tail gas transmission to next tail gas catalytic module (2) when handling tail gas heat-sensitive metal sheet I (3), then can gather when just getting into blast pipe (1) this moment, and then the temperature of the not diffusing tail gas keeps higher state, then the tail gas is in efficient clearance state, when tail gas continuously gets into the temperature of blast pipe (1) will rise, if the discharge of the interior tail gas of continuous hindrance blast pipe (1) will influence the normal work of engine, fin portion (31) of heat-sensitive metal sheet I (3) bounce this moment, and then tail gas transmission is to on the next tail gas catalytic module (2).
2. The engine exhaust gas treatment method according to claim 1, characterized in that: part of the tail gas discharged by the S3 can be slowly discharged through the tail pipe (7), when the temperature of the discharged tail gas is too high, the temperature of the tail gas in the exhaust pipe (1) is too high, oxidation and reduction reactions are slow due to the too high temperature, at the moment, the fin parts (31) of the heat-sensitive metal sheets II (8) in the tail pipe (7) are sprung up, part of the tail gas is smoothly discharged along the tail pipe (7), at the moment, the turbine (9) at the end part of the tail pipe (7) rotates under the action of a large amount of discharged tail gas, the winding wheel (10) rotates along with the tail gas, the rotating winding wheel (10) continuously winds the rope (11), the rope (11) pulls the blocking plate (6) to move in a direction away from the radiating pipes (4), the exhaust gas discharged from the engine enters the radiating pipe (4) at the moment, the exhaust gas is cooled in the radiating pipe (4), the cooled exhaust gas passes through the manifold (5) and enters the exhaust pipe (1), the exhaust pipe (1) is cooled, the temperature in the exhaust pipe (1) is in a proper gradient of oxidation and reduction of the exhaust gas catalytic assembly (2), the temperature in the exhaust pipe (1) is reduced and then the temperature passing through the tail pipe (7) is reduced, at the moment, the fin parts (31) of the heat-sensitive metal sheet II (8) are folded, and the exhaust gas discharged through the tail pipe (7) is reduced sharply, the driving wheel generated by the turbine (9) is smaller than the pulling force of the spring (61) on the plugging plate (6), so that the plugging plate (6) reenters the radiating pipe (4) and plugs the radiating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211564361.XA CN115788632B (en) | 2022-03-10 | 2022-03-10 | Engine tail gas treatment method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231781.XA CN114592951B (en) | 2022-03-10 | 2022-03-10 | Engine tail gas treatment system |
| CN202211564361.XA CN115788632B (en) | 2022-03-10 | 2022-03-10 | Engine tail gas treatment method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210231781.XA Division CN114592951B (en) | 2022-03-10 | 2022-03-10 | Engine tail gas treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115788632A CN115788632A (en) | 2023-03-14 |
| CN115788632B true CN115788632B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211564361.XA Active CN115788632B (en) | 2022-03-10 | 2022-03-10 | Engine tail gas treatment method |
| CN202210231781.XA Active CN114592951B (en) | 2022-03-10 | 2022-03-10 | Engine tail gas treatment system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210231781.XA Active CN114592951B (en) | 2022-03-10 | 2022-03-10 | Engine tail gas treatment system |
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| CN115173614B (en) * | 2022-07-26 | 2024-04-26 | 南通普盛动力有限公司 | Heat radiation structure of generator set and generator with heat radiation structure |
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| EP2711513A2 (en) * | 2012-07-04 | 2014-03-26 | MAN Truck & Bus AG | Waste gas treatment system for combustion engines |
| CN106499484A (en) * | 2016-11-17 | 2017-03-15 | 南京交通职业技术学院 | A kind of three-element catalytic exhaust purifier and exhaust purifying method |
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| CN211975126U (en) * | 2019-12-25 | 2020-11-20 | 潍柴动力股份有限公司 | Tail gas treatment system and engine |
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| US6786191B2 (en) * | 2001-11-30 | 2004-09-07 | Delphi Technologies, Inc. | Engine cylinder deactivation to improve vehicle interior heating and defrosting |
| CN102322323B (en) * | 2011-08-19 | 2013-06-05 | 浙江吉利汽车研究院有限公司 | Three-way catalytic reactor protecting system for automobile |
| CN205532814U (en) * | 2016-01-28 | 2016-08-31 | 长城汽车股份有限公司 | Engine exhaust processing mechanism and vehicle |
| CN110593998B (en) * | 2019-09-28 | 2020-07-24 | 浙江利恩工程设计咨询有限公司 | Energy storage device utilizing automobile exhaust |
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- 2022-03-10 CN CN202211564361.XA patent/CN115788632B/en active Active
- 2022-03-10 CN CN202210231781.XA patent/CN114592951B/en active Active
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| US4192140A (en) * | 1974-07-16 | 1980-03-11 | Yamaha Hatsudoki Kabushiki Kaisha | Apparatus and method relating to internal combustion engines utilizing an exhaust gas reactor |
| US4104880A (en) * | 1975-04-29 | 1978-08-08 | Nippondenso Co., Ltd. | Exhaust gas purifying system having a diaphragm type control valve |
| EP2711513A2 (en) * | 2012-07-04 | 2014-03-26 | MAN Truck & Bus AG | Waste gas treatment system for combustion engines |
| CN106499484A (en) * | 2016-11-17 | 2017-03-15 | 南京交通职业技术学院 | A kind of three-element catalytic exhaust purifier and exhaust purifying method |
| CN206397573U (en) * | 2017-01-20 | 2017-08-11 | 山东科远汽车尾气净化系统有限公司 | A kind of humidity control system of ternary catalyzing unit |
| CN211975126U (en) * | 2019-12-25 | 2020-11-20 | 潍柴动力股份有限公司 | Tail gas treatment system and engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114592951A (en) | 2022-06-07 |
| CN114592951B (en) | 2023-04-07 |
| CN115788632A (en) | 2023-03-14 |
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