CN112302766A - Three-way catalytic robot with tail gas energy recovery function - Google Patents
Three-way catalytic robot with tail gas energy recovery function Download PDFInfo
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- CN112302766A CN112302766A CN202011099897.XA CN202011099897A CN112302766A CN 112302766 A CN112302766 A CN 112302766A CN 202011099897 A CN202011099897 A CN 202011099897A CN 112302766 A CN112302766 A CN 112302766A
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- catalytic
- blade
- oxidation
- rotating shaft
- outer cover
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- 230000003197 catalytic effect Effects 0.000 title claims abstract description 67
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 230000003647 oxidation Effects 0.000 claims abstract description 49
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 49
- 238000010248 power generation Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000006870 function Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000006555 catalytic reaction Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000004907 flux Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
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
- F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/14—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours using industrial or other waste gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
-
- 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
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
- F01N5/025—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat the device being thermoelectric generators
-
- 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)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a three-way catalytic robot with a tail gas energy recovery function, which comprises an outer cover, a catalytic rotating shaft, three groups of oxidation blade groups, a power generation mechanism and two heat-insulating sealing gaskets, wherein the outer cover is provided with a plurality of groups of oxidation blades; the upper end of the outer cover is provided with an air inlet, and the lower end of the outer cover is provided with an air outlet; the catalytic rotating shaft is rotatably arranged in the outer cover; the three groups of oxidation blade groups are arranged on the catalytic rotating shaft at equal intervals from top to bottom, each group of oxidation blade group comprises three spiral blades which are uniformly arranged along the circumferential direction, and two surfaces of each spiral blade are coated with catalytic oxidation coatings; the power generation mechanism is arranged at the lower end of the outer cover and is in transmission connection with the lower end of the catalytic rotating shaft; the two heat-insulating sealing gaskets are respectively sleeved at two ends of the catalytic rotating shaft; according to the invention, the catalytic oxidation coating is arranged on each spiral blade of the three oxidation blade groups, so that the tail gas is subjected to catalytic oxidation treatment and the tail gas energy is recovered, the tail gas can be subjected to sufficient catalytic oxidation treatment, the energy can be recovered, and the method is more economic and environment-friendly.
Description
Technical Field
The invention relates to a three-way catalytic robot with a tail gas energy recovery function.
Background
The three-way catalyst is the most important external purifying device in the automobile exhaust emission system, the existing three-way catalyst for the automobile only carries out catalytic oxidation treatment on the exhaust generated by an automobile engine, the energy of the exhaust is not recovered, and the high-temperature exhaust carries a large amount of energy and is discharged into the atmosphere to be dissipated, so that the resource waste is caused.
Disclosure of Invention
The invention aims to overcome the defects and provide a three-way catalytic robot with an exhaust energy recovery function.
In order to achieve the purpose, the invention adopts the following specific scheme:
a three-way catalytic robot with a tail gas energy recovery function comprises an outer cover, a catalytic rotating shaft, three groups of oxidation blade groups, a power generation mechanism, a first transmission piece and two heat insulation sealing gaskets;
the upper end of the outer cover is provided with an air inlet, and the lower end of the outer cover is provided with an air outlet; the catalytic rotating shaft is rotatably arranged in the outer cover; the three groups of oxidation blade groups are arranged on the catalytic rotating shaft at equal intervals from top to bottom, each group of oxidation blade group comprises three spiral blades which are uniformly arranged along the circumferential direction, and two surfaces of each spiral blade are coated with catalytic oxidation coatings; the power generation mechanism is arranged at the lower end of the outer cover and is in transmission connection with the lower end of the catalytic rotating shaft; the two heat-insulating sealing gaskets are arranged in the outer cover and are respectively sleeved at two ends of the catalysis rotating shaft; the first transmission piece is sleeved on the other end of the catalysis rotating shaft.
The invention further provides the power generation mechanism which comprises a connecting plate, a power generator, two power generation belt wheels and a steel belt, wherein one end of the connecting plate is fixed on the outer cover, the power generator is fixed at the other end of the connecting plate, one power generation belt wheel is sleeved at one end of the catalysis rotating shaft, the other power generation belt wheel is sleeved on the rotating shaft of the power generator, and the steel belt is wound on the two power generation belt wheels.
The invention further provides that the helical blade is made of shape memory alloy, one end of the helical blade is provided with a fixed protruding part, the other end of the helical blade is provided with a sliding protruding part, the catalysis rotating shaft is provided with a blade fixing hole and a helical sliding groove corresponding to each helical blade, the fixed protruding part is sleeved in the blade fixing hole, and the sliding protruding part is embedded in the helical sliding groove, wherein the helical blade has a contraction state at normal temperature and an extension deformation state under heating.
Further, the phase transition temperature of the helical blades among the three oxidation blade groups is gradually reduced from top to bottom.
Further, the working temperature of the catalytic oxidation coating between the three groups of oxidation blades is gradually reduced from top to bottom.
The invention has the beneficial effects that: according to the invention, the catalytic oxidation coating is arranged on each spiral blade of the three oxidation blade groups, so that the tail gas is subjected to catalytic oxidation treatment and the tail gas energy is recovered, the tail gas can be subjected to sufficient catalytic oxidation treatment, the energy can be recovered, and the method is more economic and environment-friendly.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of another aspect of the present invention;
FIG. 3 is a perspective view of a portion of the structure of the present invention;
FIG. 4 is a perspective view of the helical blade of the present invention;
FIG. 5 is a perspective view of a catalytic shaft of the present invention;
description of reference numerals: 1. a housing; 11. an air inlet; 12. an air outlet; 2. a catalytic rotating shaft; 21. a blade fixing hole; 22. a spiral sliding groove; 3. oxidizing the blade group; 31. a helical blade; 311. a fixing protrusion; 312. a sliding projection; 4. a power generation mechanism; 41. a connecting plate; 42. a generator; 43. a power generation belt wheel; 44. a steel belt; 5. a first transmission member; 6. a heat insulating gasket.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 5, the three-way catalytic robot with an exhaust gas energy recovery function according to the present embodiment includes an outer cover 1, a catalytic rotating shaft 2, three sets of oxidation blade sets 3, a power generation mechanism 4, a first transmission member 5, and two heat insulation sealing gaskets 6;
an air inlet 11 is formed in the upper end of the outer cover 1, and an air outlet 12 is formed in the lower end of the outer cover 1; the catalytic rotating shaft 2 is rotatably arranged in the outer cover 1, and preferably, two ends of the catalytic rotating shaft are rotatably connected in the outer cover 1 through bearings; the three oxidation blade groups 3 are arranged on the catalytic rotating shaft 2 at equal intervals from top to bottom, each oxidation blade group 3 comprises three spiral blades 31 uniformly arranged along the circumferential direction, and two surfaces of each spiral blade 31 are coated with catalytic oxidation coatings; the power generation mechanism 4 is arranged at the lower end of the outer cover 1, and the power generation mechanism 4 is in transmission connection with the lower end of the catalytic rotating shaft 2; the two heat-insulating sealing gaskets 6 are arranged in the outer cover 1 and are respectively sleeved at two ends of the catalytic rotating shaft 2; the first transmission member 5 is sleeved on the other end of the catalytic rotating shaft 2, the first transmission member 5 is used for being connected with an external mechanism, and preferably, the first transmission member 5 is a belt wheel.
The working mode of the embodiment is as follows: tail gas generated by an automobile engine is input into the outer cover 1 through the air inlet 11 of the outer cover 1, at the moment, high-temperature tail gas flows from the upper end of the outer cover 1 to the lower end of the outer cover 1 under air pressure, and each helical blade 31 in the three oxidation blade groups 3 is pushed to rotate, the three oxidation blade groups 3 drive the catalytic rotating shaft 2 to rotate, the catalytic rotating shaft 2 drives the power generation mechanism 4 to work, and the energy of the rotation of the catalytic rotating shaft 2 is converted into electric energy to be stored, namely the heat energy of the tail gas is indirectly converted into the electric energy, so that the recovery of the energy of the tail gas is realized, simultaneously, the catalytic oxidation coatings on the two sides of each helical blade 31 are contacted with the tail gas, the rotation of each helical blade 31 plays a role in stirring the tail gas, and the paths of the tail gas passing through the outer cover 1 can be prolonged, tail gas is purified, the pollution to the environment after the tail gas is discharged is reduced, and the tail gas after energy recovery and purification treatment is discharged from the gas outlet 12 of the outer cover 1.
This embodiment is through setting up the catalytic oxidation coating on each helical blade 31 of three oxidation blading 3 of group to the recovery of tail gas energy is carried out in the time of the realization carries out catalytic oxidation to tail gas and handles, makes tail gas can abundant catalytic oxidation handle, can realize the recovery of the energy again, more economic environmental protection.
Based on the above embodiment, further, the power generation mechanism 4 includes a connection plate 41, a power generator 42, two power generation pulleys 43 and a steel belt 44, one end of the connection plate 41 is fixed on the housing 1, the power generator 42 is fixed at the other end of the connection plate 41, one of the power generation pulleys 43 is sleeved on one end of the catalytic rotating shaft 2, the other power generation pulley 43 is sleeved on the rotating shaft of the power generator 42, and the steel belt 44 is wound on the two power generation pulleys 43.
In practical use, the catalytic rotating shaft 2 drives the rotating shaft of the generator 42 to rotate through the two power generation belt wheels 43 and the steel belt 44, and then the generator 42 converts mechanical energy into electric energy for storage, so that the recovery of tail gas energy is realized, and the resource waste is avoided.
Based on the above embodiment, further, the spiral blade 31 is made of shape memory alloy, and one end of the spiral blade 31 is provided with a fixing protrusion 311, the other end of the spiral blade 31 is provided with a sliding protrusion 312, the catalytic rotating shaft 2 corresponds to each spiral blade 31, which is provided with a blade fixing hole 21 and a spiral sliding groove 22, the fixing protrusion 311 is sleeved in the blade fixing hole 21, and the sliding protrusion 312 is embedded in the spiral sliding groove 22, wherein the spiral blade 31 has a contraction state at normal temperature and an extension deformation state under heating.
Specifically, when the automobile engine is started in a cold state, the temperature of the exhausted exhaust gas is low, each helical blade 31 is in a contraction state, the overlapping rate of the helical blades 31 on each group is the largest, the path of the exhaust gas passing through the outer cover 1 is the longest, the helix angle of the helical blade 31 is smaller, the rotating speed of the exhaust gas which drives the catalytic rotating shaft 2 to rotate through each helical blade 31 is also lower, the exhaust gas flux is lower, the exhaust back pressure is higher, and the rapid temperature rise of each helical blade 31 in the engine starting state is facilitated; along with the completion of engine warming, the temperature of the exhausted tail gas rises, each helical blade 31 is heated to be close to the phase change temperature thereof, and is gradually deformed and extended so as to be fully contacted with a large amount of high-temperature tail gas, at the moment, the sliding protruding part 312 of each helical blade 31 respectively and correspondingly moves along the spiral sliding groove 22 so as to adapt to the deformation of the helical blade 31, so that the helical blade 31 deforms along a preset track, the helix angle of the helical blade 31 is increased, the flux of the tail gas is increased, the rotation speed of the catalytic rotating shaft 2 is increased under the driving of the tail gas, and the catalytic working condition of a large amount of high-temperature tail gas generated by the high-speed operation of the engine is adapted, so that the helical blade 31 is heated to deform, so that the three-way catalyst robot has the working characteristics of low flux and high flux in the cold state and the hot state, the emission of high-concentration tail, therefore, the flux of the tail gas can be adjusted according to the working condition of the engine.
Based on the above embodiment, further, the phase transition temperature of the helical blade 31 between the three oxidation blade sets 3 gradually decreases from top to bottom. Because tail gas is discharged from air inlet 11 to gas outlet 12, the temperature reduces gradually to form different temperature regions in dustcoat 1, make three oxidation blade group 3 of group distribute in different temperature regions, so through the phase transition temperature top-down that sets up three oxidation blade group 3 reduce gradually, so that the deflection of three oxidation blade group 3 of group can keep unanimous, thereby do benefit to all helical blade 31 rotations of tail gas drive.
Based on the above embodiment, further, the operating temperature of the catalytic oxidation coating between the three oxidation blade sets 3 gradually decreases from top to bottom. So set up to different temperature regions in the adaptation dustcoat 1 do benefit to the abundant catalytic oxidation treatment tail gas of catalytic oxidation coating, the tail gas purifying effect is better.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (6)
1. A three-way catalytic robot with a tail gas energy recovery function is characterized by comprising an outer cover (1), a catalytic rotating shaft (2), three groups of oxidation blade groups (3), a power generation mechanism (4), a first transmission piece (5) and two heat insulation sealing gaskets (6);
the upper end of the outer cover (1) is provided with an air inlet (11), and the lower end of the outer cover (1) is provided with an air outlet (12); the catalytic rotating shaft (2) is rotatably arranged in the outer cover (1); the three groups of oxidation blade groups (3) are arranged on the catalytic rotating shaft (2) at equal intervals from top to bottom, each group of oxidation blade group (3) comprises three spiral blades (31) which are uniformly arranged along the circumferential direction, and two surfaces of each spiral blade (31) are coated with catalytic oxidation coatings; the power generation mechanism (4) is arranged at the lower end of the outer cover (1), and the power generation mechanism (4) is in transmission connection with the lower end of the catalytic rotating shaft (2); the two heat-insulating sealing gaskets (6) are arranged in the outer cover (1) and are respectively sleeved at two ends of the catalysis rotating shaft (2); the first transmission piece (5) is sleeved on the other end of the catalysis rotating shaft (2).
2. The three-way catalytic robot with the exhaust gas energy recovery function according to claim 1, wherein the power generation mechanism (4) comprises a connecting plate (41), a power generator (42), two power generation pulleys (43) and a steel belt (44), one end of the connecting plate (41) is fixed on the outer cover (1), the power generator (42) is fixed on the other end of the connecting plate (41), one of the power generation pulleys (43) is sleeved on one end of the catalytic rotating shaft (2), the other power generation pulley (43) is sleeved on the rotating shaft of the power generator (42), and the steel belt (44) is wound on the two power generation pulleys (43).
3. The three-way catalytic robot with the exhaust gas energy recovery function according to claim 1 or 2, wherein the helical blade (31) is made of shape memory alloy, one end of the helical blade (31) is provided with a fixing protrusion (311), the other end of the helical blade (31) is provided with a sliding protrusion (312), the catalytic rotating shaft (2) is provided with a blade fixing hole (21) and a helical sliding groove (22) corresponding to each helical blade (31), the fixing protrusion (311) is sleeved in the blade fixing hole (21), the sliding protrusion (312) is embedded in the helical sliding groove (22), and the helical blade (31) has a contraction state at normal temperature and an extension deformation state under heat.
4. The three-way catalytic robot with the tail gas energy recovery function according to claim 3, wherein the phase transition temperature of the helical blades (31) between the three oxidation blade sets (3) is gradually reduced from top to bottom.
5. The three-way catalytic robot with the function of recovering the energy of the tail gas as recited in claim 1, characterized in that the operating temperature of the catalytic oxidation coating between the three groups of oxidation blades (3) is gradually reduced from top to bottom.
6. The three-way catalytic robot with the function of recovering the energy of the tail gas as recited in claims 1-5, characterized in that the working temperature of the catalytic oxidation coating between the three groups of oxidation blade groups (3) is gradually reduced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011099897.XA CN112302766B (en) | 2020-10-15 | 2020-10-15 | Three-way catalytic device with tail gas energy recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011099897.XA CN112302766B (en) | 2020-10-15 | 2020-10-15 | Three-way catalytic device with tail gas energy recovery function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112302766A true CN112302766A (en) | 2021-02-02 |
| CN112302766B CN112302766B (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011099897.XA Active CN112302766B (en) | 2020-10-15 | 2020-10-15 | Three-way catalytic device with tail gas energy recovery function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731316A (en) * | 2021-09-19 | 2021-12-03 | 浙江圣效化学品有限公司 | Energy recovery formula reation kettle is used in p hydroxybenzoic acid production |
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| JPH0250017A (en) * | 1988-08-10 | 1990-02-20 | Idemitsu Kosan Co Ltd | Exhaust gas application burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| Publication number | Publication date |
|---|---|
| CN112302766B (en) | 2022-02-25 |
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