CN106762245A - Gas engine blender and EGR mixer - Google Patents
Gas engine blender and EGR mixer Download PDFInfo
- Publication number
- CN106762245A CN106762245A CN201710093556.3A CN201710093556A CN106762245A CN 106762245 A CN106762245 A CN 106762245A CN 201710093556 A CN201710093556 A CN 201710093556A CN 106762245 A CN106762245 A CN 106762245A
- Authority
- CN
- China
- Prior art keywords
- gas
- guide ring
- egr
- fuse
- mixing body
- 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.)
- Granted
Links
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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The invention discloses gas engine blender and EGR mixer, gas engine includes the mixing body of insertion with blender, turbulent is provided with the air inlet for mixing body, combustion gas fuse is provided with the gas outlet for mixing body, EGR fuses are provided between turbulent and combustion gas fuse, mixing body is provided with waste gas inlet and gas inlet, and EGR fuses are connected with waste gas inlet, and combustion gas fuse is connected with gas inlet.A kind of gas engine blender provided by the present invention, it is adaptable to all types of gas engines, and mixing efficiency is high, runs engine more stable, and combustion gas utilization ratio is higher.The demand of peripheral condition is lower than the demand of single fuel gas mixer, EGR mixer, and holistic cost is lower, safe and reliable, good airproof performance, with good market application value.
Description
Technical field
The invention belongs to gas engine gas burning system technical field, and in particular to gas engine blender and EGR
Blender.
Background technology
Exhaust gas recirculatioon (Exhaust Gas Recirculation, abridge EGR), refers to that internal combustion engine after combustion will row
The part for going out gas is isolated and imports air inlet side and makes the technology that it burns once again, and main purpose is in reducing discharge gas
Nitrogen oxides (NOx) with rate of fuel consumption rate can be improved when sharing sub-load.Contain in the gas that internal combustion engine is discharged after combustion
Oxygen amount is extremely low not to be had even, and this discharge gas can make oxygen concentration reduction in air-breathing after mixing with air-breathing, therefore can produce down
Row phenomenon：The oxygen content lower than air temperature in burning can be reduced, and can suppress the generation of nitrogen oxides (NOx).Burning temperature
When degree is reduced, cylinder can be reduced with the heat energy diverging of combustion chamber wall surface, piston face, and the loss caused by thermal dissociation in addition also can
Some edge down low.
With Abgasgesetz increasingly strict and fuel price it is soaring, EGR technology application on the engine is increasingly
Extensively.Conventional EGR gas has pipeline more long to mix with fresh air before cylinder is entered, and the cycle gas amount for introducing
(EGR rate) is relatively low, therefore does not design EGR mixer specially.Improvement and maturation now with EGR technology, cycle gas amount
(EGR rate) is increasing, while the requirement of engine compactedness makes air inlet pipeline shorter, therefore is obtained using traditional method
EGR gas and the mixing uniformity of fresh air cannot again meet require that for engine stabilizer work.
The content of the invention
Present invention aim to address above mentioned problem, there is provided the combustion that two kinds of integration airs, waste gas, combustion gas threes supply together
Gas engine blender and a kind of EGR mixer.
The present invention provides a kind of gas engine blender again, including insertion mixing body, mix the air inlet of body
Turbulent is provided with mouthful, combustion gas fuse is provided with the gas outlet for mixing body, EGR cores are provided between turbulent and combustion gas fuse
Son, mixing body be provided with waste gas inlet and gas inlet, EGR fuses connects with waste gas inlet, combustion gas fuse and fire
Gas air inlet is connected.
Preferably, the combustion gas fuse includes guide ring, the diversion column being arranged in guide ring and is arranged at guide ring
And the ventilating column in blender body between wall, offer spray orifice on diversion column, guide ring and ventilating column；Diversion column is intersected at leads
Flow the home position of ring and guide ring is divided into uniform four parts, ventilating column is by the sky between guide ring and mixing body
Between be divided into uniform four parts.
Preferably, the diversion column, guide ring and ventilating column cross section are the water-drop-shaped along air flow from large to small,
Diversion column, guide ring and ventilating column are hollow structure, and spray orifice is uniformly arranged on the both sides of diversion column, guide ring and ventilating column,
The tangent line of spray orifice present position point is parallel with air flow, and all sprays are empty in the same plane.
Preferably, the EGR fuses are identical with combustion gas core structures.
Preferably, the inwall annular distribution of the mixing body has the spray orifice of two circle spray orifices, first lap spray orifice and EGR fuses
It is generally aligned in the same plane, the second circle spray orifice is generally aligned in the same plane with the spray orifice of combustion gas fuse.
Preferably, the spray orifice and first lap spray orifice of the EGR fuses are connected with waste gas inlet, the spray orifice of combustion gas fuse
Connected with gas inlet with the second circle spray orifice.
Preferably, the turbulent includes flow-disturbing ring and is inclined at the flow-disturbing in flow-disturbing ring and blender body between wall
Piece；Space between flow-disturbing ring and mixing body is divided into uniform six parts by spoiler.
Preferably, oxygen sensor mounting hole, balance pipe mounting hole and pressure sensor peace are offered on the mixing body
Dress hole, is provided with intelligent lambda sensor in oxygen sensor mounting hole, balance pipe, pressure sensor are provided with balance pipe mounting hole
Pressure sensor is installed, intelligent lambda sensor, balance pipe and pressure sensor are respectively positioned on EGR fuses and combustion gas core in mounting hole
Between son.
The present invention provides a kind of gas engine blender again, including insertion mixing body, mix the air inlet of body
Combustion gas fuse is provided with mouthful, turbulent is provided with the gas outlet for mixing body, EGR cores are provided between combustion gas fuse and turbulent
Son, mixing body be provided with waste gas inlet and gas inlet, EGR fuses connects with waste gas inlet, combustion gas fuse and fire
Gas air inlet is connected；Combustion gas fuse includes guide ring, the diversion column being arranged in guide ring and is arranged at guide ring and mixing
Ventilating column between body inwall, spray orifice is offered on diversion column, guide ring and ventilating column；Diversion column intersects at guide ring
Guide ring is simultaneously divided into uniform four parts by home position, and ventilating column separates the space between guide ring and mixing body
It is uniform four parts.
The present invention also provides a kind of EGR mixer, including mixing body, is set along the flow direction of air in blender body
There are EGR fuses and turbulent, mixing body is provided with waste gas inlet, and waste gas inlet is connected with EGR fuses；EGR fuse bags
Include guide ring, be arranged on guide ring in diversion column and be arranged at ventilating column in guide ring and blender body between wall, lead
Spray orifice is offered on fluidization tower, guide ring and ventilating column；Diversion column intersects at the home position of guide ring and separates guide ring
It is uniform four parts, the space between guide ring and mixing body is divided into uniform four parts by ventilating column.
The beneficial effects of the invention are as follows：Gas engine blender provided by the present invention, it is adaptable to all types of combustions
Gas engine, and mixing efficiency is high, runs engine more stable, and combustion gas utilization ratio is higher.The demand ratio of peripheral condition
Single fuel gas mixer, EGR mixer demand it is lower, holistic cost is lower, safe and reliable, good airproof performance, with good
Market application value.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the gas engine blender of embodiment one.
Fig. 2 is the top view of the gas engine blender of embodiment one.
Fig. 3 is the upward view of the gas engine blender of embodiment one.
Fig. 4 is the side view of the gas engine blender of embodiment one.
Fig. 5 is the sectional side elevation of the gas engine blender of embodiment one.
Fig. 6 is the schematic diagram of combustion gas fuse.
Fig. 7 is the left view of Fig. 4.
Fig. 8 is the dimensional structure diagram of the gas engine blender of embodiment two.
Fig. 9 is the sectional side elevation of the gas engine blender of embodiment two.
Figure 10 is the dimensional structure diagram of the EGR mixer of embodiment three.
Figure 11 is the sectional side elevation of the EGR mixer of embodiment three.
Description of reference numerals：1st, body is mixed；11st, inlet end cap；12nd, outlet end cap；2nd, turbulent；21st, flow-disturbing ring；
22nd, spoiler；3rd, EGR fuses；4th, combustion gas fuse；41st, guide ring；42nd, diversion column；43rd, ventilating column；5th, waste gas inlet；6、
Gas inlet；7th, oxygen sensor mounting hole；8th, gas recirculation system mounting hole；9th, balance pipe mounting hole；10th, pressure sensing
Device mounting hole.
Specific embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings：
Embodiment one
As shown in Figure 1 and Figure 5, a kind of gas engine blender that the present embodiment is provided, including up/down perforation is mixed
Clutch body 1, mixing body 1 upper end is air inlet, and lower end is gas outlet, and turbulent 2 is provided with the air inlet for mixing body 1, is gone out
Combustion gas fuse 4 is provided with gas port, EGR fuses 3 are provided between turbulent 2 and combustion gas fuse 4, mixing body 1 is provided with waste gas and enters
Gas port 5 and gas inlet 6, EGR fuses 3 are connected with waste gas inlet 5, and EGR fuses are used for giving up that waste gas inlet is accessed
Gas blowout enters in blender body.Combustion gas fuse 4 is connected with gas inlet 6, and combustion gas fuse is used for the combustion for accessing gas inlet
Gas blowout enters in blender body.EGR fuses 3 are identical with the structure of combustion gas fuse 4, below to EGR fuses 3 and combustion by taking combustion gas fuse as an example
Gaseous core 4 is further described.
As shown in Figure 5 and Figure 6, combustion gas fuse 4 includes guide ring 41, the diversion column 42 being arranged in guide ring 41 and sets
The ventilating column 43 being placed between guide ring 41 and the mixing inwall of body 1, diversion column 42, guide ring 41 and the cross section of ventilating column 43 are equal
It is water-drop-shaped along air flow from large to small, diversion column 42, guide ring 41 and ventilating column 43 are hollow structure.Diversion column
42nd, spray orifice is offered on guide ring 41 and ventilating column 43, spray orifice is uniformly arranged on diversion column 42, guide ring 41 and ventilating column 43
Two lateral section the widest part, the tangent line of spray orifice present position point with air from top to bottom flow to parallel, and all spray orifices are located at
Same level.Two diversion columns 42 are vertically intersected on the home position of guide ring 41 and guide ring 41 are divided into uniform four
Space between guide ring 41 and mixing body 1 is divided into uniform four parts by individual part, four ventilating columns 43.
As shown in figure 3, its difference of EGR fuses 3 and combustion gas fuse 4 is EGR fuses 3 and combustion gas fuse 4 is arranged on mixed
There is in horizontal plane 45 ° of angle, the wherein ventilating column of EGR fuses 3 is connected with waste gas inlet 5, combustion both when in clutch body
The ventilating column of gaseous core 4 is connected with gas inlet 6.The diversion column of EGR fuses 3 and combustion gas fuse 4, guide ring and ventilating column
Size and length can flexibly be set according to the demand of practical application, in the present embodiment, the spray orifice on EGR fuses more on the lower, and
The spray orifice of combustion gas fuse is more top.
Mixing the inwall annular distribution of body 1 has two circle spray orifices, and first lap spray orifice is located at same with the spray orifice of EGR fuses 3
Plane, the second circle spray orifice is generally aligned in the same plane with the spray orifice of combustion gas fuse 4.The spray orifice and first lap spray orifice of EGR fuses 3 with it is useless
Gas air inlet 5 is connected, and the spray orifice of combustion gas fuse 4 and the second circle spray orifice are connected with gas inlet 6.
As depicted in figs. 1 and 2, turbulent 2 includes flow-disturbing ring 21 and is inclined at flow-disturbing ring 21 and the mixing inwall of body 1
Between spoiler 22；Space between flow-disturbing ring 21 and mixing body 1 is divided into uniform six parts by spoiler 22.
In blender body, guide ring, diversion column, ventilating column and wall mutually forms multiple Venturi tube knots in blender body
Structure, air from air inlet into blender body in upset by turbulent, venturi tube structure is respectively enterd, due to Venturi effect
Effect, the location of spray orifice air velocity increases, and low pressure is produced simultaneously in the position, and absorption is produced to the gas in spray orifice
Effect, increases the kinetic energy of ejection gas in spray orifice, makes gas and air mixing more uniform, so that by the combustion of the blender
Gas, air and waste gas have mixture homogeneity very high.
As shown in figure 4, the oxygen sensor mounting hole 7 of insertion is additionally provided with mixing body 1, peace in oxygen sensor mounting hole 7
Equipped with intelligent lambda sensor, intelligent lambda sensor is located between EGR fuses 3 and combustion gas fuse 4, closer to combustion gas fuse 4.Intelligence
Lambda sensor is used for portion's oxygen concentration in detection mixer body, and closed-loop control is carried out to waste gas, and enabling the harmful substance of discharge has
Effect is controlled in the range of requiring, so as to improve the utilization rate of engine emission waste gas.Waste gas is further opened with mixing body 1 again
Circulatory system mounting hole 8 is used to install gas recirculation system.
As shown in figure 5 and figure 7, balance pipe mounting hole 9 and pressure sensor mounting hole 10 are offered on mixing body 1, is put down
Weighing apparatus pipe mounting hole 9 is located at the top of pressure sensor mounting hole 10, and balance pipe, pressure sensor peace can be connect in balance pipe mounting hole 9
Dress is provided with pressure sensor in hole 10, and balance pipe and pressure sensor are respectively positioned between EGR fuses 3 and combustion gas fuse 4.Balance
Manage for Pressure control, pressure sensor is used to detect waste gas and the mixed mixture pressure of air, used as software
The calculating parameter of exhausted air quantity in advance, to control exhausted air quantity, so as to improve the utilization rate of engine emission waste gas.
As shown in figure 5, in actual production, for the ease of processing, blender each part as obtained in casting process is spelled
Composition is connect, turbulent is formed in one, including flow-disturbing ring, spoiler and turbulent outer shroud, flow-disturbing ring and turbulent outer shroud are same
Heart annulus and flow-disturbing ring are located in turbulent outer shroud, and one end of spoiler is connected with flow-disturbing ring outer wall, and the other end is external with flow-disturbing
Ring inwall is connected, and turbulent outer shroud is fixed with the riveting of inlet end cap 11；Inlet end cap 11 is fixed with body 1 is mixed by screw.
The reason for discounting for processing, turbulent outer shroud can regard a part for wall in blender body as, and spoiler is directly and blender
Internal wall is connected.
Outlet end cap 12 is provided with the gas outlet for mixing body 1, outlet end cap 12 is fixed with body 1 is mixed by screw,
The internal diameter of outlet end cap 12 is tapered into along air flow.Partial air flowed along wall in blender body during almost very
Few and combustion gas mixes, and mixture homogeneity can be reduced if this portion gas is allowed by gas outlet exclusion, along mixed
It is obstructed when this portion of gas flows that wall flows in clutch body is to outlet end cap, can makes to receive in the presence of outlet end cap outer inclined-plane
The gas of resistance produces and flows back and carry out secondary mixing, further lifts mixture homogeneity.
Be analyzed computing to the mixing uniformity of gas engine blender of the invention, assessment combustion gas, air and
Mixing situation of the waste gas in gas engine blender, analytical calculation uses the three-dimensional graphics software such as SolidWorks, UG
Generation threedimensional model, is imported in ANSYS by being converted into the file of * .igs or * .step forms, is marked off using Workbench
Air and the basin of combustion gas, grid is generated using ICEM CFD, is finally calculated using FLUENT, the rapids that computation model is used
Flow model is k- ε two equation turbulence models, and wall-function method is used near wall.
Calculate and calculated using stable state, air intake, fuel gas inlet, exhaust gas entrance all give constant mass flow border, go out
Mouth is set to constant pressure border, and wherein composition of air is set as being made up of 79% nitrogen and 21% oxygen, gas component setting
It is to be made up of 100% methane, exhaust gas constituents are set as by 6.8% oxygen, 13% carbon dioxide, 4.6% water and 75.6%
Nitrogen composition.
This analytical calculation uses the oxygen volume content distribution uniformity of Area-weighted as evaluation criterion, if air
It is mixed thoroughly with waste gas, this value should be 1, i.e. uniformity b illustrates that combustion gas and air mix more uniform, oxygen closer to 1
Air volume content distribution uniformity b is：
Wherein, a is oxygen volume content average value：
aiIt is each point oxygen volume content；
siIt is each point in measuring surface.
Calculating is analyzed as boundary condition using the external characteristics data of 7L engines, as shown in table 1：
| Scheme | Combustion gas quality flow Kg/s | MAF Kg/s | Exhaust air mass flow Kg/s | Outlet pressure kPa |
| 1 | 0.01649 | 0.27868 | 0.09839 | 114.1 |
| 2 | 0.01194 | 0.20179 | 0.05448 | 120.4 |
Table 1
Section is set in intelligent lambda sensor detection mouth, the situation for being calculated mixture homogeneity is as shown in table 2：
| Scheme | The section oxygen mix uniformity | The gas outlet oxygen mix uniformity | The gas outlet combustion gas mixing uniformity |
| 1 | 0.98409235 | 0.99512368 | 0.96204692 |
| 2 | 0.98591352 | 0.9948507 | 0.95276946 |
Table 2
Gas engine blender of the invention, waste gas is from waste gas inlet by wall in EGR fuses and blender body
The spray orifice of upper setting is sprayed to portion in blender body, is mixed with by the air after flow-disturbing ring flow-disturbing, forms waste gas-sky
Oxygen mixture.Waste gas-air gas mixture oxygen mix uniformity on the section of intelligent oxygen sensor mounting hole reaches
More than 98%, so that the detected value of oxygen concentration more meets reality.Combustion gas is from gas inlet is by combustion gas fuse and mixes
Portion in the spray orifice jet mixer body set on wall in clutch body, is mixed with waste gas-air gas mixture, and formation waste gas-
Three kinds of mixed gas of gas of air-gas.At gas outlet, the oxygen mix uniformity reaches more than 99%, and combustion gas mixing is equal
Evenness reaches more than 96%, with good market application value.
Embodiment two
As shown in Figure 8 and Figure 9, another gas engine blender that the present embodiment is provided, during it is with embodiment one
Gas engine blender differ only in, at the air inlet of mixing body 1, turbulent 2 is located at combustion gas fuse 4
Mix at the gas outlet of body 1, EGR fuses 3 are located between combustion gas fuse 4 and turbulent 2.EGR fuses 3 and waste gas inlet 5
Connection, combustion gas fuse 4 is connected with gas inlet 6, and the position of waste gas inlet 5 and gas inlet 6 is according to the He of EGR fuses 3
Adaptive change is made in the position adjustment of combustion gas fuse 4.
Embodiment three
As shown in Figure 10 and Figure 11, a kind of EGR mixer that the present embodiment is provided, including mixing body 1, mix body 1
The interior flow direction along air is provided with EGR fuses 3 and turbulent 2, and mixing body 1 is provided with waste gas inlet 5, gas inlet
Mouth 5 is connected with EGR fuses 3.
EGR fuses 3 in the present embodiment are identical with the combustion gas core structures in embodiment one, including guide ring, are arranged on
Diversion column in guide ring and ventilating column in guide ring and blender body between wall is arranged at, diversion column, guide ring and logical
Spray orifice is offered on gas column；Diversion column intersects at the home position of guide ring and guide ring is divided into uniform four portions
Point, the space between guide ring and mixing body is divided into uniform four parts by ventilating column.Diversion column, guide ring and ventilation
Post cross section is the water-drop-shaped along air flow from large to small, and diversion column, guide ring and ventilating column are hollow structure, spray orifice
The both sides of diversion column, guide ring and ventilating column are uniformly arranged on, the tangent line of spray orifice present position point is parallel with air flow, and institute
There is spray empty in the same plane.Mixing the inwall annular distribution of body 1 has a circle spray orifice, mixes the spray orifice and EGR cores of body
The spray orifice of son 3 is generally aligned in the same plane.
Waste gas is sprayed to blender body from waste gas inlet by the spray orifice set on wall in EGR fuses and blender body
Portion, is mixed with by the air after flow-disturbing ring flow-disturbing, forms waste gas-air gas mixture.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can according to these technical inspirations disclosed by the invention make it is various do not depart from essence of the invention other are each
Plant specific deformation and combine, these deformations and combination are still within the scope of the present invention.
Claims (10)
1. a kind of gas engine blender, it is characterised in that：Mixing body (1) including insertion, mixes entering for body (1)
Turbulent (2) is provided with gas port, combustion gas fuse (4), turbulent (2) and combustion gas fuse are provided with the gas outlet of mixing body (1)
(4) EGR fuses (3) are provided between, mixing body (1) is provided with waste gas inlet (5) and gas inlet (6), EGR fuses
(3) connected with waste gas inlet (5), combustion gas fuse (4) is connected with gas inlet (6).
2. gas engine blender according to claim 1, it is characterised in that：The combustion gas fuse (4) is including leading
Flow ring (41), the diversion column (42) being arranged in guide ring (41) and be arranged at guide ring (41) and mixing body (1) inwall
Between ventilating column (43), offer spray orifice on diversion column (42), guide ring (41) and ventilating column (43)；Diversion column (42) phase
Meet at the home position of guide ring (41) and guide ring (41) is divided into uniform four parts, ventilating column (43) is by guide ring
(41) space and between mixing body (1) is divided into uniform four parts.
3. gas engine blender according to claim 2, it is characterised in that：The diversion column (42), guide ring
(41) and ventilating column (43) cross section is the water-drop-shaped along air flow from large to small, diversion column (42), guide ring (41) and
Ventilating column (43) is hollow structure, and spray orifice is uniformly arranged on the both sides of diversion column (42), guide ring (41) and ventilating column (43),
The tangent line of spray orifice present position point is parallel with air flow, and all sprays are empty in the same plane.
4. according to any described gas engine blenders of claim 1-3, it is characterised in that：The EGR fuses (3) and
Combustion gas fuse (4) structure is identical.
5. gas engine blender according to claim 4, it is characterised in that：The inwall of mixing body (1)
Annular distribution has two circle spray orifices, and first lap spray orifice is generally aligned in the same plane with the spray orifice of EGR fuses (3), the second circle spray orifice and combustion gas
The spray orifice of fuse (4) is generally aligned in the same plane.
6. gas engine blender according to claim 5, it is characterised in that：The spray orifice of the EGR fuses (3) and
First lap spray orifice is connected with waste gas inlet (5), and the spray orifice of combustion gas fuse (4) and second encloses spray orifice and gas inlet
(6) connect.
7. gas engine blender according to claim 1, it is characterised in that：The turbulent (2) is including flow-disturbing
Ring (21) and the spoiler (22) being inclined between flow-disturbing ring (21) and mixing body (1) inwall；Spoiler (22) will be disturbed
Space between stream ring (21) and mixing body (1) is divided into uniform six parts.
8. gas engine blender according to claim 1, it is characterised in that：Opened up on mixing body (1)
In oxygen sensor mounting hole (7), balance pipe mounting hole (9) and pressure sensor mounting hole (10), oxygen sensor mounting hole (7)
It is provided with to be provided with balance pipe, pressure sensor mounting hole (10) in intelligent lambda sensor, balance pipe mounting hole (9) and is provided with
Pressure sensor, intelligent lambda sensor, balance pipe and pressure sensor are respectively positioned between EGR fuses (3) and combustion gas fuse (4).
9. a kind of gas engine blender, it is characterised in that：Mixing body (1) including insertion, mixes entering for body (1)
Combustion gas fuse (4) is provided with gas port, turbulent (2), combustion gas fuse (4) and turbulent are provided with the gas outlet of mixing body (1)
(2) EGR fuses (3) are provided between, mixing body (1) is provided with waste gas inlet (5) and gas inlet (6), EGR fuses
(3) connected with waste gas inlet (5), combustion gas fuse (4) is connected with gas inlet (6)；Combustion gas fuse (4) is including guide ring
(41) diversion column (42) that, is arranged in guide ring (41) and it is arranged between guide ring (41) and mixing body (1) inwall
Ventilating column (43), offer spray orifice on diversion column (42), guide ring (41) and ventilating column (43)；Diversion column (42) is intersected at
Guide ring (41) is simultaneously divided into uniform four parts by the home position of guide ring (41), and ventilating column (43) is by guide ring (41)
And the space between mixing body (1) is divided into uniform four parts.
10. a kind of EGR mixer, it is characterised in that：Including mixing body (1), along the flowing side of air in mixing body (1)
To EGR fuses (3) and turbulent (2) is provided with, mixing body (1) is provided with waste gas inlet (5), waste gas inlet (5) and EGR
Fuse (3) is connected；EGR fuses (3) are including guide ring, the diversion column being arranged in guide ring and are arranged at guide ring and mixing
Ventilating column between body inwall, spray orifice is offered on diversion column, guide ring and ventilating column；Diversion column intersects at guide ring
Guide ring is simultaneously divided into uniform four parts by home position, and ventilating column separates the space between guide ring and mixing body
It is uniform four parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093556.3A CN106762245B (en) | 2017-02-21 | 2017-02-21 | Mixer for gas engine and EGR mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093556.3A CN106762245B (en) | 2017-02-21 | 2017-02-21 | Mixer for gas engine and EGR mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762245A true CN106762245A (en) | 2017-05-31 |
| CN106762245B CN106762245B (en) | 2023-06-06 |
Family
ID=58957635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710093556.3A Active CN106762245B (en) | 2017-02-21 | 2017-02-21 | Mixer for gas engine and EGR mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762245B (en) |
Cited By (1)
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203335279U (en) * | 2013-06-19 | 2013-12-11 | 中国船舶重工集团公司第七一一研究所 | Natural gas mixer |
| CN104405539A (en) * | 2014-10-23 | 2015-03-11 | 成都耐尔特科技有限公司 | Mixer |
| CN204511708U (en) * | 2015-02-26 | 2015-07-29 | 成都耐尔特科技有限公司 | A kind of turbulent for mixer |
| CN105003361A (en) * | 2015-08-10 | 2015-10-28 | 广西玉柴机器股份有限公司 | Integrated EGR (exhaust gas recirculation) mixer |
| CN204984654U (en) * | 2015-09-29 | 2016-01-20 | 东风商用车有限公司 | Double-cavity integrated EGR mixer |
| CN206562963U (en) * | 2017-02-21 | 2017-10-17 | 成都耐尔特科技有限公司 | Gas engine blender and EGR mixer |
-
2017
- 2017-02-21 CN CN201710093556.3A patent/CN106762245B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203335279U (en) * | 2013-06-19 | 2013-12-11 | 中国船舶重工集团公司第七一一研究所 | Natural gas mixer |
| CN104405539A (en) * | 2014-10-23 | 2015-03-11 | 成都耐尔特科技有限公司 | Mixer |
| CN104653354A (en) * | 2014-10-23 | 2015-05-27 | 成都耐尔特科技有限公司 | EGR (exhaust gas recirculation) mixing device |
| CN204511708U (en) * | 2015-02-26 | 2015-07-29 | 成都耐尔特科技有限公司 | A kind of turbulent for mixer |
| CN105003361A (en) * | 2015-08-10 | 2015-10-28 | 广西玉柴机器股份有限公司 | Integrated EGR (exhaust gas recirculation) mixer |
| CN204984654U (en) * | 2015-09-29 | 2016-01-20 | 东风商用车有限公司 | Double-cavity integrated EGR mixer |
| CN206562963U (en) * | 2017-02-21 | 2017-10-17 | 成都耐尔特科技有限公司 | Gas engine blender and EGR mixer |
Cited By (1)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106762245B (en) | 2023-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104653354B (en) | EGR mixing arrangement | |
| CN204495535U (en) | 1.2 meters of magnitude wind-tunnel represent dynamically injectors | |
| CN205939145U (en) | Low NOx gas combustion ware structure | |
| CN106438115B (en) | Natural gas mixer | |
| CN105268569B (en) | A kind of mixing device of gas-liquid two-phase annular flow jet and mainstream gas | |
| CN101281698A (en) | Simulation platform and test method for flow field arrangement structure of flue gas denitration apparatus | |
| CN206681861U (en) | A kind of integrated gases blender | |
| CN206562963U (en) | Gas engine blender and EGR mixer | |
| CN210152810U (en) | Air inlet system of natural gas engine | |
| CN105327628A (en) | Low-flow-resistance swirling diffusion gas-liquid mixer | |
| CN105688697B (en) | A kind of gas mixing method | |
| Wang et al. | Study on dynamic characteristics of intake system and combustion of controllable intake swirl diesel engine | |
| CN206092214U (en) | Natural gas engine's ternary integral type mixing arrangement | |
| CN106762245A (en) | Gas engine blender and EGR mixer | |
| CN204511708U (en) | A kind of turbulent for mixer | |
| CN204984654U (en) | Double-cavity integrated EGR mixer | |
| Du et al. | Influence of the Parallel c-Layer Secondary Air on Flow, Combustion and NOX Generation Characteristics of a 600MWe FW Down-Fired Boiler Retrofitted With a Stable Combustion Organization Mode | |
| CN204511713U (en) | A kind of EGR mixer | |
| CN109647240B (en) | Organization method for mixing spray type jet flow and main flow gas | |
| CN204175459U (en) | A kind of mixer | |
| CN109595551A (en) | A kind of shade burner | |
| CN205537154U (en) | Gas mixer | |
| CN205560746U (en) | Low NOx of low noise discharges energy -conserving high -efficient gas nozzle of environmental protection | |
| CN205225521U (en) | Air inlet channel of diesel engine | |
| CN206816412U (en) | A kind of gaseous fuel engine charge pipe-line system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |