CN105715420A - Intake and exhaust system of gas engine - Google Patents

Intake and exhaust system of gas engine Download PDF

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Publication number
CN105715420A
CN105715420A CN201610129882.0A CN201610129882A CN105715420A CN 105715420 A CN105715420 A CN 105715420A CN 201610129882 A CN201610129882 A CN 201610129882A CN 105715420 A CN105715420 A CN 105715420A
Authority
CN
China
Prior art keywords
air inlet
air
gas engine
exhaust
pipe
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
Application number
CN201610129882.0A
Other languages
Chinese (zh)
Inventor
温国生
赵锐
陈绮敏
李华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGDONG HONNY POWER TECHNOLOGY Co Ltd
Original Assignee
GUANGDONG HONNY POWER TECHNOLOGY Co Ltd
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Filing date
Publication date
Application filed by GUANGDONG HONNY POWER TECHNOLOGY Co Ltd filed Critical GUANGDONG HONNY POWER TECHNOLOGY Co Ltd
Priority to CN201610129882.0A priority Critical patent/CN105715420A/en
Publication of CN105715420A publication Critical patent/CN105715420A/en
Pending legal-status Critical Current

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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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/04—Silencing apparatus characterised by method of silencing by using resonance having sound-absorbing materials in resonance chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/06—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for extinguishing sparks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/103—Oxidation catalysts for HC and CO only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/02—Other fluid-dynamic features of induction systems for improving quantity of charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F02B29/0437—Liquid cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/0212—Multiple cleaners
    • F02M35/0216—Multiple cleaners arranged in series, e.g. pre- and main filter in series
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F02M35/02441—Materials or structure of filter elements, e.g. foams
    • F02M35/02458—Materials or structure of filter elements, e.g. foams consisting of multiple layers, e.g. coarse and fine filters; Coatings; Impregnations; Wet or moistened filter elements
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F02M35/02441—Materials or structure of filter elements, e.g. foams
    • F02M35/02466—Meshes; Grids; Perforated plates
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F02M35/09—Clogging indicators ; Diagnosis or testing of air cleaners
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10111—Substantially V-, C- or U-shaped ducts in direction of the flow path
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10131—Ducts situated in more than one plane; Ducts of one plane crossing ducts of another plane
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1015—Air intakes; Induction systems characterised by the engine type
    • F02M35/10157—Supercharged engines
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/04—Catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/06—Spark arresters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/10—Plastic foam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/10—Carbon or carbon oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/12—Hydrocarbons
    • 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
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Processes For Solid Components From Exhaust (AREA)

Abstract

The invention belongs to the technical field of gas engines, and particularly relates to an intake and exhaust system of a gas engine. The intake and exhaust system comprises a prefilter, an intake manifold, an air filter, an air filter maintenance indicator, a turbocharger, a water-cooling intercooler, an exhaust manifold and an exhaust silencer. The prefilter is connected with the turbocharger through the air filter. The turbocharger is connected with the intake manifold which is connected with an air inlet of a cylinder of the gas engine. An air outlet of the cylinder of the gas engine is connected with the exhaust manifold which is connected with the exhaust silencer. Compared with the prior art, by arranging the water-cooling intercooler, the disadvantage due to temperature rising after a gas mixture of air and gas passes through the turbocharger can be reduced; and part of cooling liquid out of a water pump is utilized and flows to the water-cooling intercooler, so that the temperature of the gas mixture is lowered, more air can be pressed into the cylinder of the engine, the gas mixture of the engine can be completely and fully burnt, and larger power output is generated.

Description

The air inlet system and exhaust system of gas engine
Technical field
The invention belongs to gas engine technical field, particularly relate to the air inlet system and exhaust system of a kind of gas engine.
Background technology
In recent years, China's automobile pollution linearly increases, and automobile closeness is more and more higher, and meanwhile, China's haze weather is also more and more frequent, and coverage is increasingly wider, and PM2.5 index remains high, and air pollution becomes the focus that various circles of society are discussed.Having data to show, Beijing haze weather is from the origin cause of formation, and automobile accounts for 22.2%, and fire coal accounts for 16.7%, and airborne dust accounts for 16.3%, and industry accounts for 15.7%.Visible, the formation of haze weather has been played significant role by vehicle exhaust.Currently, automobile engine mainly or adopts gasoline and diesel oil as fuel.But, the Abgasgesetz of increasingly stringent, it is desirable to automobile must use high-quality fuel oil to reduce discharge, this considerably increases its use cost.Additionally, along with the increase of automobile pollution, the demand of oil is also continuously increased, and the earth is becoming tight petroleum resources day.Therefore, resource reserve is big, use cheap gaseous fuel of reduced contamination, economic increasingly to cause the attention of national governments.
Can be used for the gaseous fuel kind of internal combustion engine a lot, such as hydrogen, coke-oven gas, natural gas, liquefied petroleum gas etc., these internal combustion engines are referred to as gas engine.Comprehensive resources guarantee, fuel price, the aspects such as the exhaust emission of environment being considered, the using value of natural gas is maximum.
Gas engine generally comprises cooling system, lubricating system, fuel system, air inlet system and exhaust system and electric system, and wherein, the effect of air inlet system and exhaust system is in that fresh air is sucked cylinder by timing, and the waste gas after burning is discharged cylinder.
But, in prior art, the air inlet system and exhaust system strainability of gas engine is not good, it is easy to cause electromotor premature wear, and power output is not, the easy contaminated environment of waste gas of discharge.
In view of this, the air inlet system and exhaust system of a kind of gas engine of necessary offer, its strainability is good, such that it is able to improve the service life of gas engine, and the power exported is relatively big, and the waste gas of discharge is then exhausted from reducing the pollution to air through processing.
Summary of the invention
It is an object of the invention to: for the deficiencies in the prior art, and the air inlet system and exhaust system of a kind of gas engine are provided, its strainability is good, such that it is able to improve the service life of gas engine, and the power exported is relatively big, the waste gas of discharge is then exhausted from reducing the pollution to air through processing.
In order to achieve the above object, the present invention adopts the following technical scheme that
The air inlet system and exhaust system of gas engine, including prefilter, inlet manifold, air filter, maintenance indicator for air filter, turbocharger, water-cooled charge air cooler, exhaust manifold and muffler, described prefilter is connected with described turbocharger by described air filter, described turbocharger is connected with described inlet manifold, described inlet manifold is connected with the air inlet of the cylinder of gas engine, the gas outlet of the cylinder of gas engine is connected with described exhaust manifold, described exhaust manifold and described muffler connect, described water-cooled charge air cooler is connected with described turbocharger, described maintenance indicator for air filter is arranged on described air filter.
As a kind of improvement of the air inlet system and exhaust system of gas engine of the present invention, described prefilter includes prefilter body and is arranged at the intrinsic double-level-metal filter screen of described prefilter, and the aperture of the metal screen of outer setting is more than the aperture of the metal screen of inner setting.
A kind of improvement as the air inlet system and exhaust system of gas engine of the present invention, described inlet manifold is resonant air inlet pipe, including air inlet duct, air distribution and several resonant air inlet pipe, described air inlet duct is connected with the entrance of described air distribution, several outlet air inlet pipe resonant with several described respectively of described air distribution are connected, and several described resonant air inlet pipe are respectively protruding in the cylinder of described gas engine.
A kind of improvement as the air inlet system and exhaust system of gas engine of the present invention, described air filter includes air inlet pipe, upper cover, lower cover, escape pipe and filter element, described air inlet pipe and described escape pipe are collectively forming accommodation space, described air inlet pipe be arranged at described on cover and communicate with described accommodation space, described escape pipe be arranged at described under cover and communicate with described accommodation space, described filter element is arranged in described accommodation space, the opening periphery of described lower cover is provided with groove, the opening periphery of described upper cover is provided with raised line, described raised line embeds in described groove, and it is provided with sealing ring between described raised line and described groove.
As a kind of improvement of the air inlet system and exhaust system of gas engine of the present invention, described filter element includes spun-bonded non-woven fabrics layer, HEPA filter mesh layer and micropore filter paper layer, and described HEPA filter mesh layer is arranged between described spun-bonded non-woven fabrics layer and described micropore filter paper layer.
A kind of improvement as the air inlet system and exhaust system of gas engine of the present invention, described exhaust manifold includes waste gas outlet pipe, waste gas collecting tubule and several waste gas exhaust pipes, described waste gas outlet pipe is connected with the outlet of described waste gas collecting tubule, several entrances of described waste gas collecting tubule are connected with waste gas exhaust pipe several described respectively, and several described waste gas exhaust pipes are respectively protruding in the cylinder of described gas engine.
As a kind of improvement of the air inlet system and exhaust system of gas engine of the present invention, between described exhaust manifold and described muffler, it is additionally provided with catalyst.
A kind of improvement as the air inlet system and exhaust system of gas engine of the present invention, count in mass ratio, described catalyst includes shell and the honeycomb pipeline being arranged in described shell, the wall of described honeycomb pipeline scribbles catalyst coat, count in mass ratio, consisting of of catalyst in described catalyst coat: Pt0.1%-1%, Pd0.1%-4%, Co2O380%-90%, lanthana 5%-15%, cerium oxide 5%-15%.
A kind of improvement as the air inlet system and exhaust system of gas engine of the present invention, muffler includes drive end bearing bracket, shell, fibrous interlayer, inner shell, pipe with holes, sound-absorbing material and rear end cap, described drive end bearing bracket and described rear end cap are respectively arranged at the two ends of described shell, described fibrous interlayer is arranged between described shell and described inner shell, traverse in the accommodation space that described pipe with holes is formed from described inner shell, the portion with holes of described pipe with holes is respectively positioned in described accommodation space, and described sound-absorbing material is arranged in described accommodation space.
As a kind of improvement of the air inlet system and exhaust system of gas engine of the present invention, described sound-absorbing material is UF foamed plastics, and have inside described sound-absorbing material substantial amounts of, be mutually communicated, equally distributed aperture be the micropore of 5 μm-15 μm.
Relative to prior art, the present invention is by arranging water-cooled charge air cooler, the mixing gas temperature after turbocharger that can reduce air and combustion gas raises the drawback brought, utilize and flow to water-cooled charge air cooler (coolant can be used to cool down water-cooled charge air cooler) from water pump a part of coolant out, reduce the temperature of mixing gas, make more air can be pressed into the cylinder of electromotor, thus so that engine mixed gas can burn cmpletely, bigger power output can be produced.And by arranging prefilter and air filter, it is possible to improve strainability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the sectional structure schematic diagram of prefilter in the present invention.
Fig. 3 is the structural representation of inlet manifold in the present invention.
Fig. 4 is the sectional structure schematic diagram of air cleaner of the present invention.
Fig. 5 is the structural representation of exhaust manifold in the present invention.
Fig. 6 is the structural representation of muffler in the present invention.
Detailed description of the invention
Below with reference to specific embodiment and Figure of description, the present invention and beneficial effect thereof are described in further detail, but, the specific embodiment of the present invention is not limited to this.
As shown in Figures 1 to 5, the air inlet system and exhaust system of gas engine provided by the invention, including prefilter 1, inlet manifold 2, air filter 3, maintenance indicator for air filter 4, turbocharger 5, water-cooled charge air cooler 6, exhaust manifold 7 and muffler 8, prefilter 1 is connected with turbocharger 5 by air filter 3, turbocharger 5 is connected with inlet manifold 2, inlet manifold 2 is connected with the air inlet of the cylinder 9 of gas engine, the gas outlet of the cylinder 9 of gas engine is connected with exhaust manifold 7, exhaust manifold 7 and muffler 8 connect, water-cooled charge air cooler 6 is connected with turbocharger 5, maintenance indicator for air filter 4 is arranged on air filter 2.Maintenance indicator for air filter 4 can be pointed out the need of changing filter element according to the current intelligence of air filter 3 air, thus be provided with the reference of effect for people.Arrow in Fig. 1 represents the flow direction of air.
Fresh air enters into the cylinder of gas engine after prefilter 1, air filter 3 and turbocharger 5 from inlet manifold 2, and the waste gas produced in cylinder then enters muffler 8 from exhaust manifold 7, and discharges from muffler 8.Fresh air can tentatively be filtered by prefilter 1, to filter out the bigger dust granules etc. contained in fresh air, air then can be carried out essence filtration by air filter 3, to remove the various granules in air as much as possible, the collocation of prefilter 1 and air filter 3 can be greatly improved the strainability of the present invention, prevent the abrasion of the cylinder of electromotor, piston and piston ring, extend the service life of electromotor.Turbocharger 5 utilizes the energy of aerofluxus to compress air, air inflow is increased by compressing air, can pass through when engine displacement is constant to increase density of the induced air, make engine charge abundant, thus improving the power of electromotor, the power and the moment of torsion that install the electromotor of turbocharger 5 additional to increase 20%～30%.Otherwise the cylinder diameter of electromotor can be reduced under the requirement of same power output, reduce the volume and weight of electromotor.And the electromotor installing turbocharger 5 additional passes through to improve the efficiency of combustion of electromotor, it is possible to reduce the discharge capacity of the harmful components such as particulate matter and nitrogen oxides in engine exhaust.
Prefilter 1 includes prefilter body 11 and the double-level-metal filter screen 12 being arranged in prefilter body 11, and the aperture of the metal screen 12 (second layer metal filter screen) of outer setting is more than the aperture of the metal screen 12 (first layer metal filter screen 12) of inner setting.The aperture of first layer metal filter screen is 1 μm-10 μm, and the aperture of second layer metal filter screen is 0.1 μm-0.8 μm.
Inlet manifold 2 is resonant air inlet pipe, including air inlet duct 21, air distribution 22 and several resonant air inlet pipe 23, air inlet duct 21 is connected with the entrance of air distribution 22, several outlets of air distribution 22 are connected with several resonant air inlet pipe 23 respectively, and several resonant air inlet pipe 23 are respectively protruding in the cylinder of gas engine.The effect of inlet manifold 2 is each cylinder that combustion mixture is delivered to electromotor respectively, and resonant air inlet pipe utilizes the pulsation effect of inlet air flow to strengthen air inlet effect.Air enters into air distribution 22 from air inlet duct 21, then is entered into from air distribution 22 by resonant air inlet pipe 23 cylinder of gas engine.
Air filter 3 includes air inlet pipe 31, upper cover 32, lower cover 33, escape pipe 34 and filter element 35, air inlet pipe 31 and escape pipe 34 are collectively forming accommodation space, air inlet pipe 31 is arranged at and covers and communicate with accommodation space, escape pipe 34 is arranged on lower cover 33 and communicates with accommodation space, filter element 35 is arranged in accommodation space, the opening periphery of lower cover 33 is provided with groove 331, the opening periphery of upper cover 32 is provided with raised line 321, raised line 321 embeds in groove 331, and between raised line 321 and groove 331, be provided with sealing ring 36, thus form one to seal structure.
Filter element 34 includes spun-bonded non-woven fabrics layer 351, HEPA filter mesh layer 352 and micropore filter paper layer 353, HEPA filter mesh layer 352 and is arranged between spun-bonded non-woven fabrics layer 351 and micropore filter paper layer 353.HEPA filter mesh layer 352 can receive 99.7% suspended particulates being sized to 0.3 μm (suspended particulates of 0.3 μm are to be most difficult to filter), effective and safe, micropore filter paper layer 353 filtering efficiency is high, the transmitance of dust only has 0.1%-0.4%, use paper air cleaner can alleviate the abrasion of cylinder and piston, extend the service life of electromotor.Spun-bonded non-woven fabrics layer 351 is arranged near prefilter 1 side.Air can obtain, after sequentially passing through spun-bonded non-woven fabrics layer 351, HEPA filter mesh layer 352 and micropore filter paper layer 353, the air that dust content is extremely low.
Exhaust manifold 7 includes waste gas outlet pipe 71, waste gas collecting tubule 72 and several waste gas exhaust pipes 73, waste gas outlet pipe 73 is connected with the outlet of waste gas collecting tubule 72, several entrances of waste gas collecting tubule 72 are connected with several waste gas exhaust pipes 73 respectively, and several waste gas exhaust pipes 73 are respectively protruding in the cylinder of gas engine.The effect of exhaust manifold 7 is then in that to collect the waste gas of each cylinder, and discharges from exhaust silencer 8.Waste gas is collected waste gas collecting tubule 72 from waste gas exhaust pipe 73, and discharges from waste gas outlet pipe 71.
Exhaust manifold 7 and muffler 8 are provided with catalyst.Carbon monoxide can be become harmless carbon dioxide and water by this catalyst with oxidizing hydrocarbon, nitrogen oxide reduction also can become oxygen and nitrogen simultaneously, thus reducing the pollution to environment, improves air quality.
Catalyst includes shell and the honeycomb pipeline being arranged in shell, the wall of honeycomb pipeline scribbles catalyst coat, counts in mass ratio, consisting of of the catalyst in catalyst coat: Pt0.1%-1%, Pd0.1%-4%, Co2O380%-90%, lanthana 5%-15%, cerium oxide 5%-15%.Pt and Pd has higher catalysis activity, Co2O3For promoter, it is possible to improve the activity and selectivity of catalyst, lanthana and cerium oxide and then can play the effect of the stability improving catalyst, improve the service life of catalyst.
Muffler 8 includes drive end bearing bracket 81, shell 82, fibrous interlayer 83, inner shell 84, pipe with holes 85, sound-absorbing material 86 and rear end cap 87, drive end bearing bracket 81 and rear end cap 87 are respectively arranged at the two ends of shell 82, fibrous interlayer 83 is arranged between shell 82 and inner shell 84, traverse in the accommodation space that pipe 85 with holes is formed from inner shell 84, the portion with holes of pipe 85 with holes is respectively positioned in accommodation space, and sound-absorbing material 86 is arranged in accommodation space.Muffler 8 can reduce noise and the flame eliminated in waste gas and Mars.Its principle is: change airflow direction in multiple times, repeatedly causes air flow through the section shrinking and expanding, air-flow is divided into much little tributary and flows along rough plane, is cooled down by air-flow.This is a kind of muffler 8 absorbed with resonant combination.
Sound-absorbing material is UF foamed plastics, and have inside sound-absorbing material substantial amounts of, be mutually communicated, equally distributed aperture be the micropore of 5 μm-15 μm, the thickness of sound-absorbing material is 25mm-50mm.UF foamed plastics is a kind of sound-absorbing porous material, and along with the increase of thickness, the acoustically effective of its low frequency also can improve, but the impact of high frequency is little.But when the thickness of material increases to after to a certain degree, the raising of acoustically effective is just inconspicuous, so it is unfavorable for unrestrictedly increasing thickness to improve the sound absorbing capabilities of material.
In a word, the present invention is by arranging water-cooled charge air cooler 6, the mixing gas temperature after turbocharger 5 that can reduce air and combustion gas raises the drawback brought, utilize and flow to water-cooled charge air cooler 6 (coolant can be used to cool down water-cooled charge air cooler 6) from water pump a part of coolant out, reduce the temperature of mixing gas, make more air can be pressed into the cylinder of electromotor, thus so that engine mixed gas can burn cmpletely, bigger power output can be produced.And by arranging prefilter 1 and air filter 3, it is possible to improve strainability.By arranging catalyst at exhaust manifold 7 and muffler 8, it is possible to reduce the pollution to environment, improve air quality.
The announcement of book and instruction according to the above description, above-mentioned embodiment can also be carried out suitable change and amendment by those skilled in the art in the invention.Therefore, the invention is not limited in detailed description of the invention disclosed and described above, should also be as some modifications and changes of the present invention falling in the scope of the claims of the present invention.Although additionally, employ some specific terms in this specification, but these terms are intended merely to convenient explanation, and the present invention does not constitute any restriction.

Claims (10)

1. the air inlet system and exhaust system of gas engine, it is characterized in that: include prefilter, inlet manifold, air filter, maintenance indicator for air filter, turbocharger, water-cooled charge air cooler, exhaust manifold and muffler, described prefilter is connected with described turbocharger by described air filter, described turbocharger is connected with described inlet manifold, described inlet manifold is connected with the air inlet of the cylinder of gas engine, the gas outlet of the cylinder of gas engine is connected with described exhaust manifold, described exhaust manifold and described muffler connect, described water-cooled charge air cooler is connected with described turbocharger, described maintenance indicator for air filter is arranged on described air filter.
2. the air inlet system and exhaust system of gas engine according to claim 1, it is characterized in that: described prefilter includes prefilter body and is arranged at the intrinsic double-level-metal filter screen of described prefilter, and the aperture of the metal screen of outer setting is more than the aperture of the metal screen of inner setting.
3. the air inlet system and exhaust system of gas engine according to claim 1, it is characterized in that: described inlet manifold is resonant air inlet pipe, including air inlet duct, air distribution and several resonant air inlet pipe, described air inlet duct is connected with the entrance of described air distribution, several outlet air inlet pipe resonant with several described respectively of described air distribution are connected, and several described resonant air inlet pipe are respectively protruding in the cylinder of described gas engine.
4. the air inlet system and exhaust system of gas engine according to claim 1, it is characterized in that: described air filter includes air inlet pipe, upper cover, lower cover, escape pipe and filter element, described air inlet pipe and described escape pipe are collectively forming accommodation space, described air inlet pipe be arranged at described on cover and communicate with described accommodation space, described escape pipe be arranged at described under cover and communicate with described accommodation space, described filter element is arranged in described accommodation space, the opening periphery of described lower cover is provided with groove, the opening periphery of described upper cover is provided with raised line, described raised line embeds in described groove, and it is provided with sealing ring between described raised line and described groove.
5. the air inlet system and exhaust system of gas engine according to claim 4, it is characterized in that: described filter element includes spun-bonded non-woven fabrics layer, HEPA filter mesh layer and micropore filter paper layer, and described HEPA filter mesh layer is arranged between described spun-bonded non-woven fabrics layer and described micropore filter paper layer.
6. the air inlet system and exhaust system of gas engine according to claim 1, it is characterized in that: described exhaust manifold includes waste gas outlet pipe, waste gas collecting tubule and several waste gas exhaust pipes, described waste gas outlet pipe is connected with the outlet of described waste gas collecting tubule, several entrances of described waste gas collecting tubule are connected with waste gas exhaust pipe several described respectively, and several described waste gas exhaust pipes are respectively protruding in the cylinder of described gas engine.
7. the air inlet system and exhaust system of gas engine according to claim 6, it is characterised in that: it is additionally provided with catalyst between described exhaust manifold and described muffler.
8. the air inlet system and exhaust system of gas engine according to claim 7, it is characterized in that: described catalyst includes shell and the honeycomb pipeline being arranged in described shell, the wall of described honeycomb pipeline scribbles catalyst coat, count in mass ratio, consisting of of catalyst in described catalyst coat: Pt0.1%-1%, Pd0.1%-4%, Co2O380%-90%, lanthana 5%-15%, cerium oxide 5%-15%.
9. the air inlet system and exhaust system of gas engine according to claim 1, it is characterized in that: muffler includes drive end bearing bracket, shell, fibrous interlayer, inner shell, pipe with holes, sound-absorbing material and rear end cap, described drive end bearing bracket and described rear end cap are respectively arranged at the two ends of described shell, described fibrous interlayer is arranged between described shell and described inner shell, traverse in the accommodation space that described pipe with holes is formed from described inner shell, the portion with holes of described pipe with holes is respectively positioned in described accommodation space, and described sound-absorbing material is arranged in described accommodation space.
10. the air inlet system and exhaust system of gas engine according to claim 1, it is characterized in that: described sound-absorbing material is UF foamed plastics, and have inside described sound-absorbing material substantial amounts of, be mutually communicated, equally distributed aperture be the micropore of 5 μm-15 μm, the thickness of sound-absorbing material is 25mm-50mm.
CN201610129882.0A 2016-03-08 2016-03-08 Intake and exhaust system of gas engine Pending CN105715420A (en)

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CN109209616A (en) * 2018-09-25 2019-01-15 广州果道信息科技有限公司 Exhaust-driven turbo-charger exhaust-gas turbo charger
CN111441886A (en) * 2020-06-01 2020-07-24 郑州佛光发电设备有限公司 Vehicle-mounted generator set air inlet and exhaust device capable of reducing noise and removing dust
CN117190753A (en) * 2023-10-17 2023-12-08 山东合丰科技开发有限公司 Novel steam boiler tail gas cooling device

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CN109209616A (en) * 2018-09-25 2019-01-15 广州果道信息科技有限公司 Exhaust-driven turbo-charger exhaust-gas turbo charger
CN111441886A (en) * 2020-06-01 2020-07-24 郑州佛光发电设备有限公司 Vehicle-mounted generator set air inlet and exhaust device capable of reducing noise and removing dust
CN117190753A (en) * 2023-10-17 2023-12-08 山东合丰科技开发有限公司 Novel steam boiler tail gas cooling device
CN117190753B (en) * 2023-10-17 2024-02-27 山东合丰科技开发有限公司 Tail gas cooling device for steam boiler

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Application publication date: 20160629