CN211777669U - Engine exhaust gas energy circulation structure - Google Patents
Engine exhaust gas energy circulation structure Download PDFInfo
- Publication number
- CN211777669U CN211777669U CN202020272210.7U CN202020272210U CN211777669U CN 211777669 U CN211777669 U CN 211777669U CN 202020272210 U CN202020272210 U CN 202020272210U CN 211777669 U CN211777669 U CN 211777669U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- inlet
- exhaust
- engine
- outlet
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Abstract
The utility model discloses an engine exhaust gas energy circulation structure, including the engine body, be provided with admission line and exhaust duct on the engine body, the entry of admission line is provided with turbine power generation facility, the entry of admission line with an energy circulation structure is constituteed after exhaust duct's export section is alternately. The utility model discloses an exhaust gas energy circulation structure makes low temperature low pressure air through consuming mechanical energy, become high temperature air after absorbing heat through low temperature low pressure air and reduce the acting of breathing in, convert low temperature waste gas into after through waste gas heat transfer, reduce the energy consumption of exhaust stroke, the reasonable engine exhaust waste heat that has utilized, kinetic energy output has been changed into, the emission to the heat energy in the atmosphere has been reduced, the efficiency of engine has been improved, also make to make an engine that can not be to the peripheral air heating of engine possible.
Description
Technical Field
The utility model belongs to the technical field of the engine improves, concretely relates to engine exhaust energy circulation structure.
Background
An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines (reciprocating piston engines), external combustion engines (stirling engines, steam engines, etc.), jet engines, electric motors, and the like. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is suitable for a power generation device, and can also refer to the whole machine (such as a gasoline engine and an aircraft engine) comprising the power device. Engines were first introduced in the united kingdom, and the engine concept is also derived from english, which is meant in its meaning as "power generating machinery".
At present, the low energy efficiency of an engine is a general phenomenon, and the traditional methods for improving the energy efficiency of the engine mainly comprise two methods: one is to use an atkinson cycle, which increases the stroke of a power stroke to improve energy efficiency and has certain effect, but a large amount of energy is still not utilized in exhaust, and a large amount of energy runs away along with the exhaust stroke in exhaust gas. The other method is to use a miller cycle, which is a method of closing an inlet valve in advance to reduce the pressure and temperature of air, but only slightly reduce the temperature of exhaust gas, still wastes much heat energy of the exhaust gas, and consumes mechanical energy for the expansion of the inlet gas, so that it is hard to say whether the energy is saved in the whole finally.
Therefore, aiming at the problem of low energy efficiency of the engine, an engine exhaust gas energy circulation structure is designed to improve the problem.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide an engine exhaust gas energy circulation structure.
In order to achieve the above objects and other related objects, the present invention provides a technical solution: the engine exhaust gas energy circulation structure comprises an engine body, wherein an air inlet pipeline and an exhaust pipeline are arranged on the engine body, a turbine power generation device is arranged at the inlet section of the air inlet pipeline, and the inlet section of the air inlet pipeline and the outlet section of the exhaust pipeline are crossed to form an energy circulation structure.
The preferable technical scheme is as follows: the inlet section pipeline of the air inlet pipeline is arranged in the outlet section pipeline of the exhaust pipeline, and the inlet direction of the air inlet pipeline and the outlet direction of the exhaust pipeline are positioned on the same side.
The preferable technical scheme is as follows: the inlet of the intake duct is located outside the outlet of the exhaust duct.
The preferable technical scheme is as follows: the outlet section pipeline of the exhaust pipeline is arranged in the inlet section pipeline of the air inlet pipeline, and the inlet direction of the air inlet pipeline and the outlet direction of the exhaust pipeline are positioned on the same side.
The preferable technical scheme is as follows: the outlet of the exhaust duct is located outside the inlet of the intake duct.
The preferable technical scheme is as follows: the outlet section pipeline of the exhaust pipeline is arranged in the inlet section pipeline of the air inlet pipeline, the inlet orientation of the air inlet pipeline and the outlet orientation of the exhaust pipeline are located on different sides, and the outlet of the exhaust pipeline is located outside the air inlet pipeline.
The preferable technical scheme is as follows: the inlet section pipeline of the air inlet pipeline is arranged in the outlet section pipeline of the exhaust pipeline, the inlet orientation of the air inlet pipeline and the outlet orientation of the exhaust pipeline are located on different sides, and the inlet of the air inlet pipeline is located outside the exhaust pipeline.
The preferable technical scheme is as follows: the intersection of the inlet duct inlet section and the outlet duct outlet section are arranged parallel to each other.
The preferable technical scheme is as follows: the turbine power generation device is located at an inlet of the intake duct.
Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:
the utility model discloses an exhaust gas energy circulation structure makes low temperature low pressure air through consuming mechanical energy, become high temperature air after absorbing heat through low temperature low pressure air and reduce the acting of breathing in, convert low temperature waste gas into after through waste gas heat transfer, reduce the energy consumption of exhaust stroke, the reasonable engine exhaust waste heat that has utilized, kinetic energy output has been changed into, the emission to the heat energy in the atmosphere has been reduced, the efficiency of engine has been improved, also make to make an engine that can not be to the peripheral air heating of engine possible.
Drawings
Fig. 1 is a schematic view of an embodiment of the present invention.
Fig. 2 is a schematic view of an embodiment of the present invention.
Fig. 3 is a schematic diagram of the third embodiment of the present invention.
Fig. 4 is a fourth schematic view of the embodiment of the present invention.
In the above drawings, an engine body 1, an intake duct 2, an exhaust duct 3, and a turbine power generation device 4.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 4. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The first embodiment is as follows: as shown in fig. 1, an engine exhaust gas energy circulation structure comprises an engine body 1, wherein an air inlet pipeline 2 and an exhaust pipeline 3 are arranged on the engine body 1, a turbine power generation device 4 is arranged at an inlet section of the air inlet pipeline 2, and the inlet section of the air inlet pipeline 2 and an outlet section of the exhaust pipeline 3 are crossed to form an energy circulation structure. The inlet section of the air inlet pipeline 2 is arranged in the outlet section of the exhaust pipeline 3, and the inlet orientation of the air inlet pipeline 2 and the outlet orientation of the exhaust pipeline 3 are positioned on the same side. The inlet of the inlet duct 2 is located outside the outlet of the exhaust duct 3. The intersection of the inlet section of the inlet duct 2 and the outlet section of the outlet duct 3 is arranged parallel to each other. A turbine power plant 4 is located at the inlet of the air intake duct 2.
Example two: as shown in fig. 2, an engine exhaust gas energy circulation structure comprises an engine body 1, wherein an air inlet pipeline 2 and an exhaust pipeline 3 are arranged on the engine body 1, a turbine power generation device 4 is arranged at an inlet section of the air inlet pipeline 2, and the inlet section of the air inlet pipeline 2 and an outlet section of the exhaust pipeline 3 are crossed to form an energy circulation structure. The outlet section pipeline of the exhaust pipeline 3 is arranged in the inlet section pipeline of the air inlet pipeline 2, and the inlet orientation of the air inlet pipeline 2 and the outlet orientation of the exhaust pipeline 3 are positioned on the same side. The outlet of the exhaust duct 3 is located outside the inlet of the intake duct 2. The intersection of the inlet section of the inlet duct 2 and the outlet section of the outlet duct 3 is arranged parallel to each other. A turbine power plant 4 is located at the inlet of the air intake duct 2.
Example three: as shown in fig. 3, an engine exhaust gas energy circulation structure comprises an engine body 1, wherein an air inlet pipeline 2 and an exhaust pipeline 3 are arranged on the engine body 1, a turbine power generation device 4 is arranged at an inlet section of the air inlet pipeline 2, and the inlet section of the air inlet pipeline 2 and an outlet section of the exhaust pipeline 3 are crossed to form an energy circulation structure. The outlet section pipeline of the exhaust pipeline 3 is arranged in the inlet section pipeline of the air inlet pipeline 2, the inlet orientation of the air inlet pipeline 2 and the outlet orientation of the exhaust pipeline 3 are positioned on different sides, and the outlet of the exhaust pipeline 3 is positioned outside the air inlet pipeline 2. The intersection of the inlet section of the inlet duct 2 and the outlet section of the outlet duct 3 is arranged parallel to each other. A turbine power plant 4 is located at the inlet of the air intake duct 2.
Example four: as shown in fig. 4, an engine exhaust gas energy circulation structure includes an engine body 1, an intake duct 2 and an exhaust duct 3 are provided on the engine body 1, a turbine power generation device 4 is provided at an inlet section of the intake duct 2, and an energy circulation structure is formed after the inlet section of the intake duct 2 and an outlet section of the exhaust duct 3 are crossed. The inlet section pipeline of the air inlet pipeline 2 is arranged in the outlet section pipeline of the exhaust pipeline 3, the inlet orientation of the air inlet pipeline 2 and the outlet orientation of the exhaust pipeline 3 are positioned on different sides, and the inlet of the air inlet pipeline 2 is positioned outside the exhaust pipeline 3. The intersection of the inlet section of the inlet duct 2 and the outlet section of the outlet duct 3 is arranged parallel to each other. A turbine power plant 4 is located at the inlet of the air intake duct 2.
In the above four embodiments, the first embodiment is that the air inlet pipe is wrapped by the exhaust pipe, and the second embodiment is that the air inlet pipe is wrapped by the exhaust pipe. The difference between the third embodiment and the second embodiment is the gas flow direction, but the gas inlet pipe wraps the gas outlet pipe, the gas inlet flow direction and the gas outlet flow direction of the third embodiment are the same direction, and the gas inlet flow direction and the gas outlet flow direction of the second embodiment are opposite. The difference between the fourth embodiment and the first embodiment is that the gas flow direction is also the same, the gas inlet pipe is wrapped by the gas outlet pipe, the gas inlet flow direction and the gas outlet flow direction of the fourth embodiment are the same, and the gas inlet flow direction and the gas outlet flow direction of the fourth embodiment are opposite.
In the third embodiment and the fourth embodiment, the exhaust gas heat energy transfer direction is the same as the turbine inlet air, the inlet air pressure is higher than that in the first embodiment and the second embodiment, the power is higher, different turbine designs can even realize turbocharging, but different from the traditional turbocharging, the traditional turbocharging increases the exhaust resistance and reduces the efficiency, and the turbocharging improves the exhaust resistance reduction efficiency, and the turbine also generates electricity. In addition, a section of supercooling section can be designed in the intake air cooling process for cooling temperature regulation in the vehicle. In the third embodiment, the intake pressure may not be reduced, and the power may be relatively higher.
The intake temperature on one hand because the resistance is breathed in decompression cooling, on the other hand has absorbed the waste heat of waste gas and has slowed down the cooling this the inside and realized that the energy is in transferring to the intake from waste gas. The exhaust temperature is gradually cooled by the heat absorption of the intake air, and is not cooled by the heat dissipation of the traditional engine to the space.
The utility model discloses designed an exhaust energy circulation structure on original otto cycle engine, principle and effect are as follows:
1. firstly, the natural air suction stroke is changed into resistance air suction, a turbine power generation device is arranged in an air inlet pipeline to increase air suction resistance, low-temperature and low-pressure air is produced by consuming mechanical energy, and meanwhile, a part of energy is recovered by power generation.
2. The produced low-temperature low-pressure air exchanges heat with waste gas to obtain high-temperature low-pressure air; the heat exchanger has double functions, namely firstly, low-temperature low-pressure air is changed into high-temperature air after absorbing heat so as to reduce air suction work, and secondly, waste gas is converted into low-temperature waste gas after heat exchange so as to reduce energy consumption of an exhaust stroke.
3. The high temperature low pressure air enters the cylinder to enter the compression stroke, because the compression ratio of the low pressure air compression stroke is higher than that of the original Otto cycle engine, the compression ratio is generally 13, if the air with 0.5 atmospheric pressure is manufactured, the compression ratio is 26, the same compression effect as the original 13 compression ratio is achieved, and the stroke is also enlarged to two times.
The utility model discloses exhaust waste heat that can utilize is just much more than the miller circulation, has the aspect of three energy-conservation: 1. intake expansion (here, some energy is consumed, but since there is exhaust gas to warm the intake, it can be considered energy saving); 2. generating power by intake resistance; 3. exhaust cooling and power boost (according to the law of thermodynamics, if the exhaust temperature approaches absolute zero, the energy efficiency approaches 100%)
The utility model discloses an exhaust gas energy circulation structure makes low temperature low pressure air through consuming mechanical energy, become high temperature air after absorbing heat through low temperature low pressure air and reduce the acting of breathing in, convert low temperature waste gas into after through waste gas heat transfer, reduce the energy consumption of exhaust stroke, the reasonable engine exhaust waste heat that has utilized, kinetic energy output has been changed into, the emission to the heat energy in the atmosphere has been reduced, the efficiency of engine has been improved, also make to make an engine that can not be to the peripheral air heating of engine possible.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The utility model provides an engine exhaust gas energy circulation structure, includes the engine body, be provided with inlet line and exhaust duct on the engine body, its characterized in that: the inlet section of the air inlet pipeline is provided with a turbine power generation device, and the inlet section of the air inlet pipeline and the outlet section of the exhaust pipeline are crossed to form an energy circulation structure.
2. An engine exhaust gas energy circulation structure according to claim 1, wherein: the inlet section pipeline of the air inlet pipeline is arranged in the outlet section pipeline of the exhaust pipeline, and the inlet direction of the air inlet pipeline and the outlet direction of the exhaust pipeline are positioned on the same side.
3. An engine exhaust gas energy circulation structure according to claim 2, wherein: the inlet of the intake duct is located outside the outlet of the exhaust duct.
4. An engine exhaust gas energy circulation structure according to claim 1, wherein: the outlet section pipeline of the exhaust pipeline is arranged in the inlet section pipeline of the air inlet pipeline, and the inlet direction of the air inlet pipeline and the outlet direction of the exhaust pipeline are positioned on the same side.
5. An engine exhaust gas energy circulation structure according to claim 4, wherein: the outlet of the exhaust duct is located outside the inlet of the intake duct.
6. An engine exhaust gas energy circulation structure according to claim 1, wherein: the outlet section pipeline of the exhaust pipeline is arranged in the inlet section pipeline of the air inlet pipeline, the inlet orientation of the air inlet pipeline and the outlet orientation of the exhaust pipeline are located on different sides, and the outlet of the exhaust pipeline is located outside the air inlet pipeline.
7. An engine exhaust gas energy circulation structure according to claim 1, wherein: the inlet section pipeline of the air inlet pipeline is arranged in the outlet section pipeline of the exhaust pipeline, the inlet orientation of the air inlet pipeline and the outlet orientation of the exhaust pipeline are located on different sides, and the inlet of the air inlet pipeline is located outside the exhaust pipeline.
8. An engine exhaust gas energy circulation structure according to claim 1, wherein: the intersection of the inlet duct inlet section and the outlet duct outlet section are arranged parallel to each other.
9. An engine exhaust gas energy circulation structure according to claim 1, wherein: the turbine power generation device is located at an inlet of the intake duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272210.7U CN211777669U (en) | 2020-03-06 | 2020-03-06 | Engine exhaust gas energy circulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272210.7U CN211777669U (en) | 2020-03-06 | 2020-03-06 | Engine exhaust gas energy circulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777669U true CN211777669U (en) | 2020-10-27 |
Family
ID=72940122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020272210.7U Expired - Fee Related CN211777669U (en) | 2020-03-06 | 2020-03-06 | Engine exhaust gas energy circulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173602A (en) * | 2020-03-06 | 2020-05-19 | 苏州优百纺织有限公司 | Engine exhaust gas energy circulation structure |
| CN113417777A (en) * | 2021-07-31 | 2021-09-21 | 重庆长安汽车股份有限公司 | Engine air inlet heating device |
-
2020
- 2020-03-06 CN CN202020272210.7U patent/CN211777669U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173602A (en) * | 2020-03-06 | 2020-05-19 | 苏州优百纺织有限公司 | Engine exhaust gas energy circulation structure |
| CN113417777A (en) * | 2021-07-31 | 2021-09-21 | 重庆长安汽车股份有限公司 | Engine air inlet heating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211777669U (en) | Engine exhaust gas energy circulation structure | |
| CN204267172U (en) | Based on the engine exhaust energy conversion device of Stirling cycle | |
| CN110173347B (en) | Waste heat recycling system of coal mine in-use equipment and operation method | |
| CN110005486B (en) | Zero-carbon-emission combined cooling heating and power generation device based on total heat cycle and working method | |
| CN104265500A (en) | High-temperature waste heat recovery system for diesel engine | |
| CN103775243A (en) | Automotive waste heat power generation technology by cyclically using engine coolant | |
| CN104405529A (en) | Stirling cycle based engine exhaust gas energy conversion device | |
| Sinyavski et al. | Forecasting of a boosted locomotive gas diesel engine parameters with one-and two-stage charging systems | |
| WO2016000401A1 (en) | Efficient thermal energy power engine and work-doing method therefor | |
| CN103726950B (en) | Double-loop waste heat recovery system of two-stroke internal combustion engine | |
| US11066974B2 (en) | Internal combustion engine waste heat utilization system | |
| WO2016000400A1 (en) | Efficient thermal energy power device and work-doing method therefor | |
| CN108087103A (en) | A kind of internal-combustion engine system | |
| CN201170134Y (en) | Nesting type pneumatic power / internal combustion hybrid power engine | |
| CN111173602A (en) | Engine exhaust gas energy circulation structure | |
| CN109372628A (en) | A kind of electronic pressurization realization Miller cycle diesel engine system | |
| US11616420B2 (en) | Free piston generator based on split thermodynamic cycle | |
| CN214221330U (en) | Biogas generator set | |
| CN113047948B (en) | Free piston generator based on rigid connection | |
| CN108167053A (en) | A kind of internal-combustion engine system | |
| CN204729187U (en) | A kind of distributed energy resource system based on Stirling engine | |
| CN209293909U (en) | A kind of electronic pressurization realization Miller cycle diesel engine system | |
| CN108087102A (en) | A kind of internal-combustion engine system | |
| RU2785183C1 (en) | Solar hybrid gas-turbine power plant | |
| CN216894595U (en) | Combined circulating system of internal combustion engine and micro gas turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20210306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |