CN108869113A - The cooler for recycled exhaust gas of gas machine - Google Patents
The cooler for recycled exhaust gas of gas machine Download PDFInfo
- Publication number
- CN108869113A CN108869113A CN201811038398.2A CN201811038398A CN108869113A CN 108869113 A CN108869113 A CN 108869113A CN 201811038398 A CN201811038398 A CN 201811038398A CN 108869113 A CN108869113 A CN 108869113A
- Authority
- CN
- China
- Prior art keywords
- temperature water
- cooler
- exhaust gas
- recycled exhaust
- low temperature
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
- F02M26/24—Layout, e.g. schematics with two or more coolers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The invention discloses a kind of cooler for recycled exhaust gas of gas machine comprising high temperature water route and low temperature water route, high temperature water route and low temperature water route are arranged in parallel with one another on the cooler for recycled exhaust gas.The cooler for recycled exhaust gas of gas machine of the invention has high temperature water route and two, low temperature water route cooling water channel, keeps cooler for recycled exhaust gas more abundant to EGR exhaust cooling, and then reduce Engine Inlet Temperature.
Description
Technical field
The present invention relates to engine manufacturing fields, especially with regard to a kind of cooler for recycled exhaust gas of gas machine.
Background technique
Traditional gas machine EGR cooling structure, general cooler for recycled exhaust gas only have a water route, complete entire cooler cooling,
Cooling effect is poor, and temperature is higher when EGR EGR gas enters air inlet pipe, is unfavorable for engine combustion and emission level mentions
It rises.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of cooler for recycled exhaust gas of gas machine, with high temperature water route and low temperature water route two
Cooling water channel keeps cooler for recycled exhaust gas more abundant to EGR exhaust cooling, and then reduces Engine Inlet Temperature, improves engine
Economy and emission level.
To achieve the above object, the present invention provides a kind of cooler for recycled exhaust gas of gas machine comprising high temperature water route and low
Warm water road, high temperature water route and low temperature water route are arranged in parallel with one another on the cooler for recycled exhaust gas.
In a preferred embodiment, cooler for recycled exhaust gas further includes high temperature water inlet, high temperature water out, low temperature water inlet
And low temperature water out.High temperature water inlet is set at the left end of cooler for recycled exhaust gas, to introduce high-temperature water；High temperature water out is set
It is placed in the middle position of cooler for recycled exhaust gas, to draw high-temperature water；Low temperature water inlet is set at the right end of cooler for recycled exhaust gas, to
Introduce water at low temperature；Low temperature water out is set to the middle position of cooler for recycled exhaust gas, and is located at the right side of high temperature water out, water at low temperature
Outlet is to draw water at low temperature.Wherein high-temperature water is drawn behind the left end that high temperature water inlet enters cooler for recycled exhaust gas by high temperature water out
High temperature water route is constituted out；Water at low temperature is made of after the right end that low temperature water inlet enters cooler for recycled exhaust gas the extraction of low temperature water out low
Warm water road.
In a preferred embodiment, cooler for recycled exhaust gas further includes total water outlet, is set to the right end of cooler for recycled exhaust gas
Place.
In a preferred embodiment, high temperature water out and low temperature water out are connected with total water outlet, from high temperature
Water out draw high-temperature water and from low temperature water out draw water at low temperature be pooled to total water outlet after flow out.
In a preferred embodiment, cooler for recycled exhaust gas further includes EGR exhaust entrance and EGR exhaust outlet.EGR is useless
Gas entrance is set to the left end of cooler for recycled exhaust gas, to introduce EGR exhaust；EGR exhaust exports the right end for being set to cooler for recycled exhaust gas,
To draw EGR exhaust.
Compared with prior art, cooler for recycled exhaust gas of the invention has the advantages that：It is with high temperature water route and low temperature
Two, water route cooling water channel keeps cooler for recycled exhaust gas more abundant to EGR exhaust cooling, and then reduces Engine Inlet Temperature, improves
Engine economy and emission level.
Detailed description of the invention
Fig. 1 is the schematic front view of the cooler for recycled exhaust gas of gas machine according to an embodiment of the present invention.
Fig. 2 is the schematic top plan view of the cooler for recycled exhaust gas of gas machine according to an embodiment of the present invention.
Main appended drawing reference explanation：
1- high temperature water inlet, 2- high temperature water out, 3- low temperature water out, 4- low temperature water inlet, 5-EGR exhaust gas entrance, 6-
EGR exhaust outlet, the total water outlet of 7-, a- high temperature water route, b- low temperature water route.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figure 1 to Figure 2, Fig. 1 is the main view signal of the cooler for recycled exhaust gas of gas machine according to an embodiment of the present invention
Figure.Fig. 2 is the schematic top plan view of the cooler for recycled exhaust gas of gas machine according to an embodiment of the present invention.It is preferred real according to the present invention
Apply a kind of cooler for recycled exhaust gas of gas machine of mode comprising high temperature water route a and low temperature water route b, high temperature water route a and water at low temperature
Road b is arranged in parallel with one another on the cooler for recycled exhaust gas.
In some embodiments, cooler for recycled exhaust gas further include high temperature water inlet 1, high temperature water out 2, low temperature water inlet 4,
Low temperature water out 3, total water outlet 7 and EGR exhaust entrance 5 and EGR exhaust outlet 6.It is cooling that EGR exhaust entrance 5 is set to EGR
The left end of device, to introduce EGR exhaust；EGR exhaust outlet 6 is set to the right end of cooler for recycled exhaust gas, to draw EGR exhaust.It is high
Warm water entrance 1 is set at the left end of cooler for recycled exhaust gas, to introduce high-temperature water；High temperature water out 2 is set to cooler for recycled exhaust gas
Middle position, to draw high-temperature water；Low temperature water inlet 4 is set at the right end of cooler for recycled exhaust gas, to introduce water at low temperature；It is low
Warm water export 3 is set to the middle position of cooler for recycled exhaust gas, and is located at the right side of high temperature water out 2, and low temperature water out 3 is to draw
Water at low temperature out.
In some embodiments, the high-temperature water from high-temperature water tank enters the left end of cooler for recycled exhaust gas from high temperature water inlet 1
High temperature water route a is constituted by the extraction of high temperature water out 2 afterwards, please refers in Fig. 1 the instruction direction of " black arrows "；From low temperature
The water at low temperature of water tank constitutes low temperature water route b by the extraction of low temperature water out 3 after the right end that low temperature water inlet 4 enters cooler for recycled exhaust gas,
The instruction direction of " black hollow arrow " is please referred in Fig. 1.
In some embodiments, total water outlet 7 is set at the right end of cooler for recycled exhaust gas.High temperature water out 2 and water at low temperature
Outlet 3 is connected with total water outlet 7, the high-temperature water drawn from high temperature water out 2 and the low temperature drawn from low temperature water out 3
Water is pooled to flow out after total water outlet 7 after flow back to engine thermostat, into pump entrance or systemic circulation water tank.
In conclusion cooler for recycled exhaust gas of the invention is compared with prior art, have the following advantages that：It is with high temperature water route
With two, low temperature water route cooling water channel, keep cooler for recycled exhaust gas more abundant to EGR exhaust cooling, and then reduces engine inlet temperature
Degree improves engine economy and emission level.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (5)
1. a kind of cooler for recycled exhaust gas of gas machine, which is characterized in that including high temperature water route and low temperature water route, the high temperature water route
It is arranged on the cooler for recycled exhaust gas parallel with one another with the low temperature water route.
2. the cooler for recycled exhaust gas of gas machine as described in claim 1, which is characterized in that further include：
High temperature water inlet is set at the left end of the cooler for recycled exhaust gas, to introduce high-temperature water；
High temperature water out is set to the middle position of the cooler for recycled exhaust gas, to draw high-temperature water；
Low temperature water inlet is set at the right end of the cooler for recycled exhaust gas, to introduce water at low temperature；And
Low temperature water out is set to the middle position of the cooler for recycled exhaust gas, and is located at the right side of the high temperature water out, institute
Low temperature water out is stated to draw water at low temperature.
Wherein high-temperature water draws structure by the high temperature water out behind the left end that the high temperature water inlet enters the cooler for recycled exhaust gas
At the high temperature water route；Water at low temperature is gone out after the right end that the low temperature water inlet enters the cooler for recycled exhaust gas by the water at low temperature
Mouth, which is drawn, constitutes the low temperature water route.
3. the cooler for recycled exhaust gas of gas machine as described in claim 1, which is characterized in that further include total water outlet, be set to institute
It states at the right end of cooler for recycled exhaust gas.
4. the cooler for recycled exhaust gas of gas machine as claimed in claim 3, which is characterized in that the high temperature water out and the low temperature
Water out is connected with total water outlet, the high-temperature water drawn from the high temperature water out and from the low temperature water out
The water at low temperature of extraction flows out after being pooled to total water outlet.
5. the cooler for recycled exhaust gas of gas machine as described in claim 1, which is characterized in that further include：
EGR exhaust entrance is set to the left end of the cooler for recycled exhaust gas, to introduce EGR exhaust；And
EGR exhaust outlet, is set to the right end of the cooler for recycled exhaust gas, to draw EGR exhaust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038398.2A CN108869113A (en) | 2018-09-06 | 2018-09-06 | The cooler for recycled exhaust gas of gas machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038398.2A CN108869113A (en) | 2018-09-06 | 2018-09-06 | The cooler for recycled exhaust gas of gas machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108869113A true CN108869113A (en) | 2018-11-23 |
Family
ID=64323154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811038398.2A Pending CN108869113A (en) | 2018-09-06 | 2018-09-06 | The cooler for recycled exhaust gas of gas machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108869113A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413466A (en) * | 2007-10-18 | 2009-04-22 | 福特环球技术公司 | EGR cooling system with multiple EGR coolers |
| CN102057143A (en) * | 2008-06-09 | 2011-05-11 | 斯堪尼亚商用车有限公司 | Arrangement for a supercharged combustion engine |
| CN102705056A (en) * | 2010-12-07 | 2012-10-03 | 现代自动车株式会社 | Apparatus of cooling system for vehicle and controlling method using the same |
| CN108374734A (en) * | 2017-02-01 | 2018-08-07 | 通用汽车环球科技运作有限责任公司 | Enhancing long-range cooler for recycled exhaust gas device with bypass |
-
2018
- 2018-09-06 CN CN201811038398.2A patent/CN108869113A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413466A (en) * | 2007-10-18 | 2009-04-22 | 福特环球技术公司 | EGR cooling system with multiple EGR coolers |
| CN102057143A (en) * | 2008-06-09 | 2011-05-11 | 斯堪尼亚商用车有限公司 | Arrangement for a supercharged combustion engine |
| CN102705056A (en) * | 2010-12-07 | 2012-10-03 | 现代自动车株式会社 | Apparatus of cooling system for vehicle and controlling method using the same |
| CN108374734A (en) * | 2017-02-01 | 2018-08-07 | 通用汽车环球科技运作有限责任公司 | Enhancing long-range cooler for recycled exhaust gas device with bypass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |
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| RJ01 | Rejection of invention patent application after publication |