CN1269462A - Exhaust silencing and purifying device for compression ignition diesel engine - Google Patents
Exhaust silencing and purifying device for compression ignition diesel engine Download PDFInfo
- Publication number
- CN1269462A CN1269462A CN 00112776 CN00112776A CN1269462A CN 1269462 A CN1269462 A CN 1269462A CN 00112776 CN00112776 CN 00112776 CN 00112776 A CN00112776 A CN 00112776A CN 1269462 A CN1269462 A CN 1269462A
- Authority
- CN
- China
- Prior art keywords
- shell
- diesel engine
- silencer
- pipe
- purification
- 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
- 230000030279 gene silencing Effects 0.000 title claims abstract description 13
- 230000006835 compression Effects 0.000 title abstract 2
- 238000007906 compression Methods 0.000 title abstract 2
- 238000000746 purification Methods 0.000 claims description 30
- 230000003584 silencer Effects 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 18
- 238000006555 catalytic reaction Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000002329 infrared spectrum Methods 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001077 hypotensive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention relates to an exhaust silencing and purifying device of a compression ignition diesel engine, which consists of an air inlet pipe, an exhaust pipe, a silencing device and a shell, wherein a purifying pipe and a purifying ring are arranged and fixed between the silencing device and the shell. Can effectively reduce various pollutants by more than 50 percent and can ensure that the product is used for 300,000 kilometers or 3 years.
Description
The present invention is a kind of exhaust silencing purifier for pressure combustion diesel engine, belongs to the technical field of diesel engine silencing apparatus.
Both at home and abroad present existing engine exhaust control gear is generally two kinds: A, common catalytic converter; It uses the honeycomb panel of ceramic structure, has rare metal, as: the catalysis material film of palladium, platinum, rhodium, require temperature higher (350 ℃) during work, exhausting air directly contacts with catalysis material, produces oxidation, generates H
2O and CO
2Reduce the content of CO (carbon monoxide) and HC (hydrocarbon), such device is installed complicated, expensive, motor is shown high back-pressure (especially when the honeycomb panel begins to stop up), combustion produces to consume increases about 3%, and because honeycomb panel saturated particle needs periodic maintenance and changes saturated catalysis material.B, particulate screening method controller, it is a micro particle filtering system basically, filters by an intensive fabric filter hole, can partly reduce black smoke.Such device only works to particulate, and it is about 8% that fuel consumption increases, and simultaneously because the filter saturated particle can produce high back-pressure to motor, and needs periodic maintenance and periodically change filter.More than two kinds of exhaust control devices, be mainly used in petrol engine, and at the Exhaust gas purifying device of diesel engine, at present domestic still in the research experiment stage.
The purpose of this invention is to provide a kind of exhaust silencing purifier for pressure combustion diesel engine of handling the black smoke of automobile exhaust pollution and diesel engine discharge, to solve the deficiencies in the prior art, simple in structure, cheap for manufacturing cost, the use, easy to maintenance of this product, can not produce back-pressure to motor, the particulate blocking phenomenon do not occur, purifying effect is more satisfactory.
For solving above-mentioned task, the solution that the present invention adopts is to utilize the absorption of exhausting air to infrared energy, decomposes and the oxidizing gas composition, makes sufficient combustion, thereby is converted into the method for innocuous gas.The principle of this device is: based on the catalyst technology of reactor mode, utilize catalysis material to produce far-infrared spectrum ripple (heat energy of gas) during work, GAS ABSORPTION far-infrared spectrum ripple causes the reaction of chemical particle.The far-infrared spectrum ripple transmits by air-flow, and air-flow is the oxygen of conditioned reaction again, causes the oxidation of various compositions, when particulate is produced useful effect, has also reduced CO (carbon monoxide), HC (hydrocarbon) and NO
2(oxynitrides).
Concretely, the present invention is such: it is by suction tude (1), outlet pipe (4), silencer (3) and shell (11) constitute, between silencer (3) and shell (11), be mounted with purification pipe (6), between silencer (3) and shell (11), be mounted with purification pipe (5) and purify ring (7), the two ends of shell connect suction tude (1) respectively, outlet pipe (4), suction tude (1) connects purification pipe (6), install in the purification pipe (6), fixing silencer (3), the outer suit one of purification pipe (6) purifies ring (7), the air outlet (12) of silencer (3) is facing to outlet pipe (4), there is through hole (10) at the two ends of shell (11), one end of purification pipe (6) connects shell (1), the air outlet (12) that the other end connects silencer (3) forms a sealed cavity (5), the outer suit one of purification pipe (6) is undulatory metal purification ring (7), and there is vent slot (10) at the two ends of shell (11).
Accompanying drawing 1 is a structural representation of the present invention, and accompanying drawing 2 is installment state figure of the present invention.
In accompanying drawing 2, A is an explosive motor; B is the engine exhaust house steward; C is an engine exhaust pipe; D is an Exhaust gas purifying device.
Compared with prior art, the present invention is a kind of catalyst converter of being combined with silencer, because former in its design Utilize catalysis material to produce the far-infrared spectrum ripple on the reason, decompose and the oxidizing gas composition, make sufficient combustion. Cause This, it works to the particulate of all emission gases and the formation of some gas, minimizing CO (carbon monoxide), CO2(carbon dioxide), NOx (oxynitrides), HC (hydrocarbon) and opacity. Because catalysis material does not directly contact with gas, and this device does not need to safeguard, can not induce reaction simultaneously yet, Do not produce saturated. More economical, durable, effective with the conventional catalyst converter of rare metal pottery panel. Can Effectively various pollutants are reduced more than 50%, and can guarantee to use 300,000 kilometers or 3 years. Simultaneously Efficient is all very high under high temperature, cryogenic conditions, install also convenient, fast, be conducive to this device reality should Promote with reaching; The present invention has carried out significant improvement to existing engine exhaust emission control device. Mainly avoided Catalysis material does not directly contact with gas, thereby can not produce the saturated and particulate clogging of catalysis material, not yet Can cause back-pressure, not need periodicmaintenance and change catalysis material. Long service life, expense is low, effect Well; The application of this invention will reduce the expense of engine exhaust emission control device greatly, improves clean-up effect, Can be widely used in all kinds of automobile exhaust systems. In at present country's promotion development Green Product, policy In the upper pressure motor vehicle emission situation up to standard, the application of this device has more development space, issuable warp The Ji benefit is inestimable. Simultaneously also be conducive to reduce vehicle emission pollution, improve human living environment.
Embodiments of the invention: the two ends of metal shell connect suction tude (1), outlet pipe (4) respectively, suction tude (1) connects purification pipe (6), install in the purification pipe (6), fixing silencer (3), the outer suit one of purification pipe (6) purifies ring (7), the air outlet (12) of silencer (3) is facing to outlet pipe (4), and there is through hole (10) at the two ends of shell (11); The air outlet (12) that one end of purification pipe (6) connects shell (1), the other end connection silencer (3) forms a sealed cavity (5), and the outer suit one of purification pipe (6) is undulatory metal purification ring (7), and there is vent slot (10) at the two ends of shell (11).It is work like this: the gas that motor (A) is discharged passes through outlet pipe (C), the enlarged cavity (2) that enters purification plant again by the suction tude (1) of purification plant (D) along exhaust manifold (B).Pressure at this gas diminishes, and begin to enter preceding half section for to be covered with in the silencing apparatus (3) of aperture, because the effect of aperture on the pressure change of gas and the collapsible tube produces good noise elimination effect.Simultaneously, gas in collapsible tube is owing to be compressed, its pressure, temperature, speed all rises, so when gas has jet-action when collapsible tube (3) enters taper outlet pipe (4), thereby in annular space (5), produce hypotensive effect, make pressure in this space less than ambient atmosphere pressure, therefore ambient atmosphere is just by this device and extraneous connecting port (10), through metal purification sheet (7), enter purifier inside, arrive annular space (5), thereby form the atmospheric air circulation, than outside, because high temperature is air-flow process enlarged cavity (2) continuously, pure metal ring plate (9) the temperature rising that makes its metal purification pipe (5) and cover its appearance, thus infrared can the radiation (these radioactive rays comprise all infrared spectrums, promptly from 600cm-1 to 4000cm-1) produced.This electromagnetism infrared rays passes metal purification sheet (7) by radiation, when the metal purification sheet is heated up, also because the effect of metal purification sheet makes the ultrared frequency of electromagnetism produce change, and becomes the infrared spectrum that organic compound can preferential absorption.Therefore pass through the purifier connecting port when ambient atmosphere,, when arriving annular space (5), outer atmospheric temperature is risen, also the electromagnetism infrared rays has been imported annular space through the metal purification sheet.So when the waste gas that comes out from enlarged cavity (2) finally mixed firing chamber (8) with ambient atmosphere, because ambient atmosphere has not only also been come abundant oxygen, the while had also imported the infrared spectrum that organic compound can preferential absorption.So all gases composition that motor is discharged obtains sufficient oxidation and decomposition.Be discharged in the atmosphere again after changing it into innocuous gas, pollute thereby reduce greatly.
Claims (4)
1, a kind of exhaust silencing purifier for pressure combustion diesel engine, it is made of suction tude (1), outlet pipe (4), silencer (3) and shell (11), it is characterized in that: be mounted with purification pipe (6) between silencer (3) and shell (11).
2, according to the described this exhaust silencing purifier for pressure combustion diesel engine of claim 1, it is characterized in that: between silencer (3) and shell (11), be mounted with purification pipe (6) and purify ring (7).
3, according to claim 1,2 described this exhaust silencing purifier for pressure combustion diesel engine, it is characterized in that: the two ends of shell connect suction tude (1), outlet pipe (4) respectively, suction tude (1) connects purification pipe (6), install in the purification pipe (6), fixing silencer (3), the outer suit one of purification pipe (6) purifies ring (7), the air outlet (12) of silencer (3) is facing to outlet pipe (4), and there is through hole (10) at the two ends of shell (11).
4, according to claim 1,2 or 3 described this exhaust silencing purifier for pressure combustion diesel engine, it is characterized in that: the air outlet (12) that an end of purification pipe (6) connects shell (1), the other end connection silencer (3) forms a sealed cavity (5), the outer suit one of purification pipe (6) is undulatory metal purification ring (7), and there is vent slot (10) at the two ends of shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00112776A CN1102695C (en) | 2000-03-17 | 2000-03-17 | Exhaust silencing and purifying device for compression ignition diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00112776A CN1102695C (en) | 2000-03-17 | 2000-03-17 | Exhaust silencing and purifying device for compression ignition diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1269462A true CN1269462A (en) | 2000-10-11 |
| CN1102695C CN1102695C (en) | 2003-03-05 |
Family
ID=4582614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00112776A Expired - Fee Related CN1102695C (en) | 2000-03-17 | 2000-03-17 | Exhaust silencing and purifying device for compression ignition diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1102695C (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0893455A (en) * | 1994-09-28 | 1996-04-09 | Aqueous Res:Kk | Device and method for controlling exhaust emission using infrared ray |
| JP3249740B2 (en) * | 1996-04-15 | 2002-01-21 | 株式会社水素エネルギー開発研究所 | Exhaust gas purification device for internal combustion engine |
-
2000
- 2000-03-17 CN CN00112776A patent/CN1102695C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1102695C (en) | 2003-03-05 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |