CN208236519U - The mixer of integrated combustion gas and EGR - Google Patents
The mixer of integrated combustion gas and EGR Download PDFInfo
- Publication number
- CN208236519U CN208236519U CN201820856227.XU CN201820856227U CN208236519U CN 208236519 U CN208236519 U CN 208236519U CN 201820856227 U CN201820856227 U CN 201820856227U CN 208236519 U CN208236519 U CN 208236519U
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- China
- Prior art keywords
- mixer
- egr
- combustion gas
- fuel gas
- inlet tube
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- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model discloses the mixers of a kind of integrated combustion gas and EGR.The mixer of the integrated combustion gas and EGR include: inlet tube, and outer end is connected with engine air throttle；EGR mixer is connect with the inner end of the inlet tube, and the top of the EGR mixer has connecting flange, for being connected directly with EGR valve；The downstream of the EGR mixer is arranged in fuel gas mixer, and side is connected with fuel gas conduit, for introducing combustion gas；And outlet, one end are connect with the fuel gas mixer, the other end is connected directly with engine air inlet tube, is laid with spoiler in the outlet.The mixer integrated level of the integrated combustion gas and EGR are high, and transient response, the followability of mixture strength control are preferable, and exhaust, fresh air, the combustion gas mixing uniformity are high, simple and reasonable, take up space small, convenient for disassembly and assembly, manufacturing cost is lower.
Description
Technical field
The utility model relates to engine art, in particular to a kind of mixer of integrated combustion gas and EGR.
Background technique
The noxious emission of engine is a main source for causing atmosphere pollution, important with environmental protection problem
Property increase increasingly, reduce engine noxious emission and improve this target of economy become the world today on development of engine one
A important directions.Therefore carry out engine fuel economy promotion, NOX, the noxious emissions control method such as THC and technology grind
Study carefully be all engine designers vital task.EGR technology is as a kind of main raising engine economy, reduction engine
Engine heat load can be greatly reduced in the means of discharge, and overall application is in five or more equivalent combustion gas engine of state.It is existing
The gas engine with waste gas circulation mainly uses EGR mixer and fuel gas mixer separate design on the market.
The shortcomings that prior art:
1, EGR mixer and fuel gas mixer separate design, integrated level are poor；
2, EGR mixer and fuel gas mixer separate design, each section junction need to increase gasket, be easy to cause leakage
Gas；
3, EGR mixer and fuel gas mixer separate design, volume is big, and complete machine arranges that difficulty is big；
4, EGR mixer and fuel gas mixer separate design, mixing uniformity are influenced by each situation.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Utility model content
The purpose of this utility model is to provide the mixers of a kind of simple and reasonable integrated combustion gas and EGR, thus
The shortcomings that overcoming existing EGR mixer and fuel gas mixer separate design.
To achieve the above object, the utility model provides the mixer of a kind of integrated combustion gas and EGR, comprising: inlet tube,
Its outer end is connected with engine air throttle；EGR mixer is connect with the inner end of the inlet tube, the top of the EGR mixer
With connecting flange, for being connected directly with EGR valve；The downstream of the EGR mixer, side is arranged in fuel gas mixer
Face is connected with fuel gas conduit, for introducing combustion gas；And outlet, one end are connect with the fuel gas mixer, the other end and hair
Motivation air inlet pipe is connected directly, and is laid with spoiler in the outlet.
Preferably, in above-mentioned technical proposal, EGR mixer has the mixed core with cross mixing runner.
Preferably, in above-mentioned technical proposal, the inner end of EGR mixer and inlet tube passes through smooth smooth air flue connection.
Preferably, in above-mentioned technical proposal, spoiler is the multiple fanning strips circumferentially uniformly distributed along outlet.
Compared with prior art, the utility model has the following beneficial effects: the mixer of the integrated combustion gas and EGR are integrated
Degree is high, and transient response, the followability of mixture strength control are preferable, and exhaust, fresh air, the combustion gas mixing uniformity are high, structure
Advantages of simple takes up space small, and convenient for disassembly and assembly, manufacturing cost is lower.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the integrated combustion gas of the utility model and the mixer of EGR.
Fig. 2 is the schematic cross-sectional view of the integrated combustion gas of the utility model and the mixer of EGR.
Fig. 3 is the left view structural representation of the integrated combustion gas of the utility model and the mixer of EGR.
Fig. 4 is the right side structural representation of the integrated combustion gas of the utility model and the mixer of EGR.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope 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 Figures 1 to 4, according to the tool of the integrated combustion gas of specific embodiment of the present invention and the mixer of EGR
Body structure includes: inlet tube 1, EGR mixer 4, fuel gas mixer 5, fuel gas conduit 3, spoiler 7 and outlet 6.Wherein, entrance
Pipe 1 is connected with engine air throttle, and control fresh air enters integrated mixer, fresh air and engine exhaust embedded
Mixing in EGR mixer 4, after fresh air is mixed with cycle of engine exhaust gas, gaseous mixture and combustion gas are abundant in fuel gas mixer 5
Mixing, and be sufficiently mixed by the spoiler 7 after fuel gas mixer, and EGR mixer and fuel mixer are very compact,
The high temperature of engine exhaust is made full use of to further enhance mixed effect.By integrate mixer outlet 6 and engine into
Tracheae is connected directly, and then enters each gas in-cylinder combustion of engine.
Specifically, the outer end of inlet tube 1 is connected with engine air throttle, enters integrated combustion gas for controlling fresh air
With the mixer of EGR.
EGR mixer 4 is connect with the inner end of inlet tube 1 by smooth smooth air flue, and the length of the air flue passes through calculating
Steady air current after air throttle is fully ensured that, to guarantee that throttle model calculates the accuracy of air capacity.Embedded EGR mixer
4 top has connecting flange 2, for being connected directly with EGR valve, so that fresh air and engine exhaust are in embedded EGR
Mixing in mixer 4.
Preferably, EGR mixer 4 has the mixed core with cross mixing runner, good mixing effect, and makes full use of and start
The gas flowing that the high temperature and EGR valve of machine exhaust are formed, is sufficiently mixed in EGR mixer with fresh air.
The downstream of EGR mixer 4 is arranged in fuel gas mixer 5, and side is connected with fuel gas conduit 3, for introducing combustion gas.Newly
After fresh air mixes in EGR mixer 4 with engine exhaust, gaseous mixture and combustion gas are sufficiently mixed in fuel gas mixer 5.
One end of outlet 6 is connect with fuel gas mixer 5, and the other end is connected directly with engine air inlet tube, 7 cloth of spoiler
It is located in outlet 6, the gaseous mixture of EGR mixer 4 and combustion gas are after fuel gas mixer 5 is sufficiently mixed by after fuel gas mixer
Spoiler 7 be sufficiently mixed, then enter each gas in-cylinder combustion of engine.And EGR mixer and fuel mixer are non-
It is often compact, make full use of the high temperature of engine exhaust to further enhance mixed effect.
Preferably, spoiler 7 is along the circumferential uniformly distributed multiple fanning strips of outlet 6.
To sum up, the mixer integrated level of the integrated combustion gas and EGR are high, transient response, the followability of mixture strength control
Preferably, exhaust, fresh air, the combustion gas mixing uniformity are high, simple and reasonable, take up space small, convenient for disassembly and assembly, manufacturing cost
It is lower.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
Claims (4)
1. a kind of mixer of integrated combustion gas and EGR characterized by comprising
Inlet tube, outer end are connected with engine air throttle；
EGR mixer is connect with the inner end of the inlet tube, and the top of the EGR mixer has connecting flange, for
EGR valve is connected directly；
The downstream of the EGR mixer is arranged in fuel gas mixer, and side is connected with fuel gas conduit, for introducing combustion gas；With
And
Outlet, one end are connect with the fuel gas mixer, and the other end is connected directly with engine air inlet tube, the outlet
Inside it is laid with spoiler.
2. the mixer of integrated combustion gas and EGR according to claim 1, which is characterized in that the EGR mixer has band
The mixed core of cross mixing runner.
3. the mixer of integrated combustion gas and EGR according to claim 1, which is characterized in that the EGR mixer and entrance
The inner end of pipe passes through smooth smooth air flue connection.
4. the mixer of integrated combustion gas and EGR according to claim 1, which is characterized in that the spoiler is along outlet
The circumferentially uniformly distributed multiple fanning strips of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856227.XU CN208236519U (en) | 2018-06-04 | 2018-06-04 | The mixer of integrated combustion gas and EGR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856227.XU CN208236519U (en) | 2018-06-04 | 2018-06-04 | The mixer of integrated combustion gas and EGR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208236519U true CN208236519U (en) | 2018-12-14 |
Family
ID=64575458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820856227.XU Active CN208236519U (en) | 2018-06-04 | 2018-06-04 | The mixer of integrated combustion gas and EGR |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208236519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425768A (en) * | 2018-06-04 | 2018-08-21 | 广西玉柴机器股份有限公司 | The mixer of integrated combustion gas and EGR |
| WO2020133355A1 (en) * | 2018-12-29 | 2020-07-02 | 潍柴动力股份有限公司 | Gas mixer |
-
2018
- 2018-06-04 CN CN201820856227.XU patent/CN208236519U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425768A (en) * | 2018-06-04 | 2018-08-21 | 广西玉柴机器股份有限公司 | The mixer of integrated combustion gas and EGR |
| WO2020133355A1 (en) * | 2018-12-29 | 2020-07-02 | 潍柴动力股份有限公司 | Gas mixer |
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