CN108730076A - A kind of engines exhaust gas recirculation purifier - Google Patents
A kind of engines exhaust gas recirculation purifier Download PDFInfo
- Publication number
- CN108730076A CN108730076A CN201810615709.0A CN201810615709A CN108730076A CN 108730076 A CN108730076 A CN 108730076A CN 201810615709 A CN201810615709 A CN 201810615709A CN 108730076 A CN108730076 A CN 108730076A
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- exhaust gas
- fixedly connected
- malthoid
- cooling
- 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
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
-
- 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
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/32—Liquid-cooled heat exchangers
Abstract
The invention discloses a kind of engines exhaust gas recirculation purifiers, including air inlet pipe and exhaust pipe, air inlet pipe one end connects degreasing unit, and degreasing unit connects the first connecting tube, and the first connecting tube connects dust-extraction unit, dust-extraction unit connects the second connecting tube, second connecting tube connects absorption plant, and absorption plant connects exhaust pipe, inlet manifold is connected in the second connecting tube, inlet manifold connects cooling device, and cooling device connects outlet manifold.Exhaust gas flows into degreasing unit through air inlet pipe, enter dust-extraction unit from the first connecting tube after oil removing, it is excluded from the second connecting tube after dedusting, portion in second connecting tube is imported cooling device by inlet manifold, exhaust gas after cooling flows into engine air inlet through outlet manifold, remainder of exhaust gas flows into absorption plant in second connecting tube, and absorbing liquid absorbs the gases such as carbon dioxide, sulfur dioxide in exhaust gas, then is excluded through exhaust pipe.
Description
Technical field
The present invention relates to technical field of engines, specially a kind of engines exhaust gas recirculation purifier.
Background technology
Exhaust gas recirculates in engine makes its air-breathing once again by the part importing suction side that gas is discharged after combustion
Technology, since the specific heat of three atomic gas such as CO2, H2O, NO2 in engine exhaust is higher, when fresh gaseous mixture and useless
After gas mixing, thermal capacity also increases therewith.This gaseous mixture after exhaust gas dilution is heated, temperature often increases required for 1 degree
Heat be consequently increased, in the case where fuel combustion heat release total amount is constant, maximum combustion temperature also therefore reduce；It gives up simultaneously
Gas reduces the concentration of oxygen to the diluting effect of incoming mixture, to make the generation of NOX be suppressed, still, at present again
Circulator is all that exhaust gas is directly sucked cooling device, is directly mixed into engine with air after supercooling, in exhaust gas
Particulate matter can block cooling device, particulate matter enters engine engine interior part easy to wear, and in cooling device
Circulation pipe be all linear or helical structure, when the circulation of this formation gases with recycle the gas cooling that tube wall contacts and fill
Point, the gas cooling at center is slow, and final gas cooling is uneven and cooling velocity is slow, thus it is proposed that a kind of engine is useless
Gas recycling purifier is for solving the above problems.
Invention content
The purpose of the present invention is to provide a kind of engines exhaust gas recirculation purifiers, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of engines exhaust gas recirculation purifier, packet
Air inlet pipe and exhaust pipe are included, one end of the air inlet pipe is fixedly connected with one end of degreasing unit, the other end of the degreasing unit
It is fixedly connected with one end of the first connecting tube, the other end of first connecting tube is fixedly connected with one end of dust-extraction unit, described to remove
The other end of dirt device is fixedly connected with one end of the second connecting tube, and the other end of second connecting tube is fixedly connected with absorption plant
One end, the other end of the absorption plant is fixedly connected with exhaust pipe, inlet manifold is fixedly connected in second connecting tube
The other end of one end, the inlet manifold is fixedly connected with one end of cooling device, and the other end of the cooling device is fixedly connected
Outlet manifold.
Preferably, the degreasing unit includes oil removal box, first except malthoid, accumulator, second remove malthoid and third oil removing
The both ends of felt, the oil removal box are fixedly attached air inlet pipe and the first connecting tube respectively, and oil removing box cavity lower part is fixedly mounted
First removes malthoid, and described first except accumulator is constituted between malthoid and oil removal box bottom plate, described first except fixed installation at the top of malthoid
Second removes malthoid except malthoid and third.
Preferably, the dust-extraction unit includes dust cleaning case, filter screen and active carbon slab, and the dust cleaning case both ends are fixed respectively
It is socketed the first connecting tube and the second connecting tube, filter screen is fixedly mounted close to the side of the first connecting tube in the dedusting box cavity,
Active carbon slab is fixedly mounted close to the side of the second connecting tube in the dedusting box cavity.
Preferably, the absorption plant includes third connecting tube, absorbing liquid and respiratory box, and the respiratory box both ends are solid respectively
Surely it is socketed the second connecting tube and exhaust pipe, absorbing liquid is housed below the absorption box cavity, one end of the third connecting tube is solid
Surely the second connecting tube is connected, the other end of the third connecting tube is inserted into absorbing liquid.
Preferably, the absorbing liquid is sodium hydroxide solution.
Preferably, the cooling device includes cooling liquid outlet, cooling tube, circulation pipe and coolant inlet, the cooling
Pipe both ends are fixedly attached inlet manifold and outlet manifold respectively, and circulation pipe, the circulation pipe both ends point are installed in the cooling tube
It is not fixedly connected with inlet manifold and outlet manifold, the cooling tube is fixedly attached coolant liquid on the outer wall of inlet manifold and goes out
Mouthful, the cooling tube is fixedly attached coolant inlet on the outer wall of outlet manifold.
Preferably, the circulation pipe is fold-line-shaped structure.
Compared with prior art, the beneficial effects of the invention are as follows：Before exhaust gas enters cooling device, successively passes through oil removing and fill
It sets and dust-extraction unit, the greasy dirt and particulate matter in exhaust gas are absorbed by degreasing unit and dust-extraction unit, to avoid greasy dirt grade particles
Object enters cooling device and engine, avoids blocking cooling device, face particulate matter is also avoided to wear engine part；Cooling device
Interior circulation pipe uses fold-line-shaped structure, off-gas flows by discount turning point when collide, to generate mixed flow, in air-flow
Outer emission molecule position rapid interchangeable, it is real to make the emission molecule inside air-flow be transferred to outside and contact cycle inside pipe wall
It is now quickly cooled down, moreover, air-flow, after turning point is collided, flow velocity reduces so that cooling time extends, to which cooling is more filled
Point；Exhaust gas from engine flow out to exhaust pipe discharge during, have passed through successively degreasing unit, dust-extraction unit and absorb dress
It sets, the pollutant in scavenging purifies exhaust gas, avoids air pollution.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is degreasing unit structural schematic diagram of the present invention；
Fig. 3 is dust-extraction unit structural schematic diagram of the present invention；
Fig. 4 is absorption plant main view cross-sectional view of the present invention；
Fig. 5 is cooling device top view cross section structural schematic diagram of the present invention；
Fig. 6 is circulation pipe structural schematic diagram of the present invention.
In figure：1 air inlet pipe, 2 degreasing units, 21 oil removal boxes, 22 first are except malthoid, 23 accumulators, 24 second are except malthoid, 25
Third is inhaled except malthoid, 3 first connecting tubes, 4 dust-extraction units, 41 dust cleaning cases, 42 filter screens, 43 active carbon slabs, 5 second connecting tubes, 6
Receiving apparatus, 61 third connecting tubes, 62 absorbing liquids, 63 respiratory boxes, 7 inlet manifold, 8 cooling devices, 81 cooling liquid outlets, 82 coolings
Pipe, 83 circulation pipes, 84 coolant inlets, 9 outlet manifolds, 10 exhaust pipes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of engines exhaust gas recirculation purifier, including
Air inlet pipe 1 and exhaust pipe 10, one end of air inlet pipe 1 are fixedly connected with one end of degreasing unit 2, and the other end of degreasing unit 2 is fixed
One end of the first connecting tube 3 is connected, the other end of the first connecting tube 3 is fixedly connected with one end of dust-extraction unit 4, dust-extraction unit 4
The other end is fixedly connected with one end of the second connecting tube 5, and the other end of the second connecting tube 5 is fixedly connected with one end of absorption plant 6, inhales
The other end of receiving apparatus 6 is fixedly connected with exhaust pipe 10, and one end of inlet manifold 7, inlet manifold are fixedly connected in the second connecting tube 5
7 other end is fixedly connected with one end of cooling device 8, and the other end of cooling device 8 is fixedly connected with outlet manifold 9.
Malthoid 22, accumulator 23, second are removed except 24 and of malthoid referring to Fig. 2, degreasing unit 2 includes oil removal box 21, first
Third removes malthoid 25, and the both ends of oil removal box 21 are fixedly attached air inlet pipe 1 and the first connecting tube 3,21 inner cavity lower part of oil removal box respectively
It is fixedly mounted first and removes malthoid 22, first except accumulator 23 is constituted between 21 bottom plate of malthoid 22 and oil removal box, first pushes up except malthoid 22
Portion is fixedly mounted second except malthoid 24 and third remove malthoid 25, and exhaust gas enters oil removal box 21 from air inlet pipe 1, and malthoid is removed by second
24 and third except being excluded from the first connecting tube 3 after 25 oil removing of malthoid, second except malthoid 24 and third are except having in weight on malthoid 25
First is flowed under force effect and removes malthoid 22, and first is low to being stored in accumulator 23 except the oil on malthoid 22.
Referring to Fig. 3, dust-extraction unit 4 includes dust cleaning case 41, filter screen 42 and active carbon slab 43,41 both ends of dust cleaning case difference
It is fixedly attached the first connecting tube 3 and the second connecting tube 5,41 inner cavity of dust cleaning case was fixedly mounted close to the side of the first connecting tube 3
Active carbon slab 43 is fixedly mounted close to the side of the second connecting tube 5 in strainer 42,41 inner cavity of dust cleaning case, and exhaust gas is from the first connecting tube 3
Into in dust cleaning case 41, the large particle in exhaust gas is filled by strainer 42, and active carbon slab 43 inhales the small particle in exhaust gas
Receipts are fallen, and exhaust gas is excluded from the second connecting tube 5.
Referring to Fig. 4, absorption plant 6 includes third connecting tube 61, absorbing liquid 62 and respiratory box 63,63 both ends of respiratory box point
It is not fixedly attached the second connecting tube 5 and exhaust pipe 10, absorbing liquid 62 is housed below 63 inner cavity of respiratory box, the one of third connecting tube 61
End is fixedly connected with the second connecting tube 5, and the other end of third connecting tube 61 is inserted into absorbing liquid 62, and exhaust gas is flowed through the second connecting tube 5
Into in third connecting tube 61, exhaust gas is passed through in absorbing liquid 62 by third connecting tube 61, absorbing liquid 62 by exhaust gas carbon dioxide,
The gases such as sulfur dioxide are absorbed, then are excluded through exhaust pipe 10.
Further, absorbing liquid 62 is sodium hydroxide solution, after sodium hydroxide solution absorbing carbon dioxide, sulfur dioxide not
Precipitation is will produce, to avoid blocking third connecting tube 61.
Referring to Fig. 5, cooling device 8 includes cooling liquid outlet 81, cooling tube 82, circulation pipe 83 and coolant inlet 84,
82 both ends of cooling tube are fixedly attached inlet manifold 7 and outlet manifold 9 respectively, and circulation pipe 83, circulation pipe 83 are installed in cooling tube 82
Both ends are respectively fixedly connected with inlet manifold 7 and outlet manifold 9, and cooling tube 82 is fixedly attached cold on the outer wall of inlet manifold 7
But liquid outlet 81, cooling tube 82 is fixedly attached coolant inlet 84 on the outer wall of outlet manifold 9, and exhaust gas is through inlet manifold 7
It flowing into circulation pipe 83, coolant inlet 84 is injected coolant liquid into cooling tube 82 and is cooled down to the exhaust gas in circulation pipe 83,
Exhaust gas after cooling flows into engine air inlet, coolant inlet 84 and the connection cooling of cooling liquid outlet 81 through outlet manifold 9
Circulator, the cooling-cycle device are current existing conventional techniques, and the coolant liquid that engine may be used is cooled down.
Preferably, circulation pipe 83 be fold-line-shaped structure, off-gas flows by discount turning point when collide, to generate
Mixed flow, emission molecule position rapid interchangeable inside and outside air-flow, to make the emission molecule inside air-flow be transferred to external and contact and follow
83 inner wall of endless tube, realization are quickly cooled down, moreover, air-flow, after turning point is collided, flow velocity reduces so that and cooling time extends,
To which cooling is more abundant.
Operation principle：The present invention is in use, engine exhaust flows into degreasing unit 2 through air inlet pipe 1, by second except malthoid
24 and third except dust-extraction unit 4 is entered from the first connecting tube 3 after 25 oil removing of malthoid, strainer 42 filters the large particle in exhaust gas
It arrives, active carbon slab 43 sponges the small particle in exhaust gas, and exhaust gas is excluded from the second connecting tube 5, and inlet manifold 7 connects second
Portion in take over 5 imports cooling device 8, and exhaust gas is flowed into through inlet manifold 7 in circulation pipe 83, and coolant inlet 84 is to cold
But injection coolant liquid cools down the exhaust gas in circulation pipe 83 in pipe 82, and exhaust gas after cooling starts through the inflow of outlet manifold 9
Machine air intake, remainder of exhaust gas flows into absorption plant 6 in the second connecting tube 5, and absorbing liquid 62 is by carbon dioxide, the dioxy in exhaust gas
Change the gases such as sulphur to be absorbed, then is excluded through exhaust pipe 10.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of engines exhaust gas recirculation purifier, including air inlet pipe（1）And exhaust pipe（10）, it is characterised in that：It is described
Air inlet pipe（1）One end be fixedly connected with degreasing unit（2）One end, the degreasing unit（2）The other end be fixedly connected with first
Connecting tube（3）One end, first connecting tube（3）The other end be fixedly connected with dust-extraction unit（4）One end, dedusting dress
It sets（4）The other end be fixedly connected with the second connecting tube（5）One end, second connecting tube（5）The other end be fixedly connected with suction
Receiving apparatus（6）One end, the absorption plant（6）The other end be fixedly connected with exhaust pipe（10）, second connecting tube（5）On
It is fixedly connected with inlet manifold（7）One end, the inlet manifold（7）The other end be fixedly connected with cooling device（8）One end, institute
State cooling device（8）The other end be fixedly connected with outlet manifold（9）.
2. a kind of engines exhaust gas recirculation purifier according to claim 1, it is characterised in that：The degreasing unit
（2）Including oil removal box（21）, first remove malthoid（22）, accumulator（23）, second remove malthoid（24）Malthoid is removed with third（25）, institute
State oil removal box（21）Both ends be fixedly attached air inlet pipe respectively（1）With the first connecting tube（3）, the oil removal box（21）Inner cavity lower part
It is fixedly mounted first and removes malthoid（22）, described first removes malthoid（22）With oil removal box（21）Accumulator is constituted between bottom plate（23）, institute
It states first and removes malthoid（22）Top is fixedly mounted second and removes malthoid（24）Malthoid is removed with third（25）.
3. a kind of engines exhaust gas recirculation purifier according to claim 1, it is characterised in that：The dust-extraction unit
（4）Including dust cleaning case（41）, filter screen（42）With active carbon slab（43）, the dust cleaning case（41）Both ends are fixedly attached first respectively
Connecting tube（3）With the second connecting tube（5）, the dust cleaning case（41）Inner cavity is close to the first connecting tube（3）Side be fixedly mounted
Strainer（42）, the dust cleaning case（41）Inner cavity is close to the second connecting tube（5）Side active carbon slab is fixedly mounted（43）.
4. a kind of engines exhaust gas recirculation purifier according to claim 1, it is characterised in that：The absorption plant
（6）Including third connecting tube（61）, absorbing liquid（62）And respiratory box（63）, the respiratory box（63）Both ends are fixedly attached respectively
Two connecting tubes（5）And exhaust pipe（10）, the respiratory box（63）Absorbing liquid is housed below inner cavity（62）, the third connecting tube
（61）One end be fixedly connected with the second connecting tube（5）, the third connecting tube（61）The other end be inserted into absorbing liquid（62）It is interior.
5. a kind of engines exhaust gas recirculation purifier according to claim 4, it is characterised in that：The absorbing liquid
（62）For sodium hydroxide solution.
6. a kind of engines exhaust gas recirculation purifier according to claim 1, it is characterised in that：The cooling device
（8）Including cooling liquid outlet（81）, cooling tube（82）, circulation pipe（83）And coolant inlet（84）, the cooling tube（82）Two
End is fixedly attached inlet manifold respectively（7）And outlet manifold（9）, the cooling tube（82）Interior installation circulation pipe（83）, described to follow
Endless tube（83）Both ends are respectively fixedly connected with inlet manifold（7）And outlet manifold（9）, the cooling tube（82）Close to inlet manifold
（7）Outer wall on be fixedly attached cooling liquid outlet（81）, the cooling tube（82）Close to outlet manifold（9）Outer wall on fixing sleeve
Connect coolant inlet（84）.
7. a kind of engines exhaust gas recirculation purifier according to claim 6, it is characterised in that：The circulation pipe
（83）For fold-line-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615709.0A CN108730076A (en) | 2018-06-14 | 2018-06-14 | A kind of engines exhaust gas recirculation purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615709.0A CN108730076A (en) | 2018-06-14 | 2018-06-14 | A kind of engines exhaust gas recirculation purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108730076A true CN108730076A (en) | 2018-11-02 |
Family
ID=63929769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810615709.0A Pending CN108730076A (en) | 2018-06-14 | 2018-06-14 | A kind of engines exhaust gas recirculation purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108730076A (en) |
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| CN103261595A (en) * | 2010-12-16 | 2013-08-21 | 臼井国际产业株式会社 | Exhaust gas purification device for diesel engine using heavy-oil or lower quality fuel |
| CN204457939U (en) * | 2014-12-26 | 2015-07-08 | 宁波吉利罗佑发动机零部件有限公司 | A kind of gas and oil separating plant |
| CN204881290U (en) * | 2015-07-20 | 2015-12-16 | 广州新科利保防雷技术股份有限公司 | Water - water type square heat pipe exchanger |
| CN206142983U (en) * | 2016-09-12 | 2017-05-03 | 珠海格力电器股份有限公司 | Machine is directly drunk to a heat jar zero -pressure formula |
| CN106703976A (en) * | 2015-11-12 | 2017-05-24 | 温特图尔汽柴油公司 | Internal combustion engine, method for cleaning exhaust from an internal combustion engine and method for refitting an internal combustion engine |
| CN206875704U (en) * | 2017-06-09 | 2018-01-12 | 铁岭贵鑫环保科技发展有限公司 | Power economized boiler |
-
2018
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073093U (en) * | 1990-07-27 | 1991-03-13 | 富良 | Roll-over heating water heater |
| CN2837521Y (en) * | 2005-09-02 | 2006-11-15 | 刘显湘 | Automobile exhaust gas purifier |
| CN101067539A (en) * | 2007-06-07 | 2007-11-07 | 哈尔滨工业大学 | Sewage and surface water heat pump open tunnel type heat exchanging tank heat exchanging method and apparatus thereof |
| CN103261595A (en) * | 2010-12-16 | 2013-08-21 | 臼井国际产业株式会社 | Exhaust gas purification device for diesel engine using heavy-oil or lower quality fuel |
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| CN204457939U (en) * | 2014-12-26 | 2015-07-08 | 宁波吉利罗佑发动机零部件有限公司 | A kind of gas and oil separating plant |
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Application publication date: 20181102 |