CN205977467U - Engine equipment with EGR cooling system - Google Patents
Engine equipment with EGR cooling system Download PDFInfo
- Publication number
- CN205977467U CN205977467U CN201620959787.9U CN201620959787U CN205977467U CN 205977467 U CN205977467 U CN 205977467U CN 201620959787 U CN201620959787 U CN 201620959787U CN 205977467 U CN205977467 U CN 205977467U
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- CN
- China
- Prior art keywords
- exhaust gas
- recycled exhaust
- cooler
- waste gas
- gas
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- 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.)
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- Exhaust-Gas Circulating Devices (AREA)
Abstract
The utility model discloses an engine equipment with EGR cooling system, include: the engine body, the booster turbine, its waste gas exhaust pipe with the engine body links to each other, three way catalyst converter, it passes through the pipe connection with the booster turbine, EGR cooler, its input are on through the pipeline between bellows joint to three way catalyst converter and the booster turbine of admitting air, turbocharger compressor, its output through give vent to anger bellows and EGR cooler links to each other, on turbocharger compressor still is connected to the engine body through the intercooler, and air cleaner, it is through the end of the bellows of giving vent to anger of pipe connection to EGR cooler output, wherein, the output of EGR cooler is provided with the EGR valve, and air cleaner's output also is provided with holds back the valve. The utility model discloses increase the EGR cooler, it is leading -in to the engine in with waste gas again to the waste gas cooling of cooling down, thus waste gas plays the inhibitory action to combustion temperature reduces combustion temperature, and then the oil consumption and the emission of reduction engine.
Description
Technical field
This utility model is related to engine art.More specifically, this utility model be related to one kind can reduce electromotor combustion
Burn the engine apparatus with cooling system for recycled exhaust gas of temperature.
Background technology
At present, passenger car fuel economy regulation and emission regulation demands increasingly stringent, petrol engine uses as passenger car
The requirement to fall oil consumption and settling-discharging for the major impetus source increasingly improves.The ignition temperature of electromotor affects the burning of electromotor
Efficiency, combustion knock tendency and exhaust temperature.For gasoline supercharging engine, engine combustion under most of operating mode
The ignition temperature of gas is above best combustion temperature, and this also allows for its oil consumption and discharge amount of exhaust gas is higher.Therefore, reduction is started
The ignition temperature of machine is to reduce the effective ways of oil consumption and discharge, therefore needs to develop and a kind of can reduce sending out of engine combustion temperatures
Motivation equipment.
Utility model content
A purpose of the present utility model be provide a kind of can reduce engine combustion temperatures there is cooling system for recycled exhaust gas
Engine apparatus, and the advantage that at least will be described later is provided.
In order to realize according to these purposes of the present utility model and further advantage, there is provided one kind has cooling system for recycled exhaust gas
Engine apparatus, including：
Engine body；
Booster turbine, it is connected with the exhaust emission tube of described engine body；
Ternary catalyzing unit, it is connected by pipeline with described booster turbine；
Cooler for recycled exhaust gas, its input is connected to described ternary catalyzing unit and described booster turbine by air inlet corrugated tube
Between pipeline on；
Supercharger air compressor, it is connected with the outfan of cooler for recycled exhaust gas by corrugated tube of giving vent to anger, described supercharger air compressor
Connect to described engine body also by charge air cooler；And
Air filter, it connects the end of the corrugated tube of giving vent to anger to described cooler for recycled exhaust gas outfan by pipeline；
Wherein, the outfan of described cooler for recycled exhaust gas is provided with EGR valve, for controlling the waste gas after cooling cold from described EGR
But the output of the outfan of device, the outfan of described air filter is also equipped with trapped line pressure valve, new after filtering for controlling
Fresh air enters into the inlet in pipeline.
Preferably, wherein, the top of described cooler for recycled exhaust gas is provided with water inlet pipe and outlet pipe, described cooler for recycled exhaust gas
Be internally provided with many spiral helicine waste gas cooling tubes, one end of described waste gas cooling tube is connected with water inlet pipe, the other end with go out
Water pipe is connected.
Preferably, wherein, the water (flow) direction in described waste gas cooling tube is contrary with the airflow direction of waste gas.
Preferably, wherein, the pipeline between the input of described booster turbine and described cooler for recycled exhaust gas is provided with
One precooling device.
Preferably, wherein, described precooling device is provided with the casing of the hollow of opening, described precooling device for two ends
Top be provided with spray equipment.
Preferably, wherein, described precooling device is provided with gas drying layer near the side of described cooler for recycled exhaust gas.
Preferably, wherein, it is provided with desiccant layer and active carbon layer in described gas drying layer.
This utility model at least includes following beneficial effect：
(1) this utility model passes through to increase cooler for recycled exhaust gas and associated components on engine apparatus, by the waste gas after burning
Carry out cooling down the air pressure difference importing waste gas passing through that booster turbine and supercharger air compressor produce again, waste gas is new with filtered
Fresh air enters in electromotor burning together, because waste gas is through supercooling, waste gas inhibitory action is played to ignition temperature thus
Reduce ignition temperature, and then reduce oil consumption and the discharge of electromotor.
(2) setting of EGR valve and trapped line pressure valve is so that the temperature that mixes in the duct with fresh air of the waste gas after cooling
Degree can be adjusted according to the air inflow of two strands of air；
(3) the waste gas cooling tube in cooler for recycled exhaust gas is set to helical form can increase the contact that waste gas cooling tube is with waste gas
Area, improves cooling effectiveness；
(4) setting of this precooling device can high-temp waste gas enter cooler for recycled exhaust gas before first high-temperature gas is carried out cold
But, improve cooling efficiency.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will be passed through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description
Fig. 1 is the structural representation of an embodiment of the present utility model；
Fig. 2 is the stereoscopic schematic diagram of the cooler for recycled exhaust gas of an embodiment of the present utility model；
Fig. 3 is the structural representation of the cooler for recycled exhaust gas of an embodiment of the present utility model；
Fig. 4 is the structural representation of the precooling device of an embodiment of the present utility model；
Fig. 5 is the structural representation precooling device of the present utility model；
Fig. 6 is the structural representation of gas drying layer of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further detail, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be noted that of the present utility model description in, term " horizontal ", " longitudinal ", " on ", D score, " front ",
" afterwards ", the orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship be based on
Orientation shown in the drawings or position relationship, are for only for ease of description this utility model and simplify description, are not instruction or dark
Show the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
Restriction of the present utility model.
As Fig. 1, shown in Fig. 2, this utility model provides a kind of engine apparatus with cooling system for recycled exhaust gas, including：
Engine body 1；
Booster turbine 2, it is connected with the exhaust emission tube 3 on engine body 1, the waste gas of engine body 1 burning
Enter into supercharging booster turbine 2 from exhaust emission tube 3, density becomes big；
Ternary catalyzing unit 4, it is connected by pipeline with booster turbine 2, in the waste gas after burning contain substantial amounts of CO,
NOxEtc. harmful gass, before draining in air, in ternary catalyzing unit 4, oxidoreduction becomes carbon dioxide and water, thus reduce right
The pollution of air；
Cooler for recycled exhaust gas 5, its input is connected between ternary catalyzing unit 4 and booster turbine 2 by air inlet corrugated tube 6
Pipeline on, from booster turbine 2 out waste gas a part drains in air through ternary catalyzing unit 4 oxidoreduction, separately
A part is then entered in cooler for recycled exhaust gas 5 by air inlet corrugated tube 6 and cools；
Supercharger air compressor 7, it is connected with the outfan of cooler for recycled exhaust gas 5 by corrugated tube 8 of giving vent to anger, in cooler for recycled exhaust gas 5
The waste gas of middle cooling enters in supercharger air compressor 7, and supercharger air compressor 7 is also by charge air cooler 9 to engine body 1；
And
Air filter 10, it connects the pipeline of corrugated tube 7 end of giving vent to anger to cooler for recycled exhaust gas 5 outfan by pipeline
On, fresh air first passes through air filter 10 before entry and filters, and the dust-filtering contained by the air is fallen, the sky after filtration
Gas is mixed in the duct with the waste gas of cooling in cooler for recycled exhaust gas 5；
Wherein, the outfan of cooler for recycled exhaust gas 5 is provided with EGR valve 50, for controlling the waste gas after cooling from cooler for recycled exhaust gas 5
Outfan output, the outfan of air filter 10 is also equipped with trapped line pressure valve 100, for controlling the fresh sky after filtering
Gas enters into the inlet in pipeline, and the setting of EGR valve 50 and trapped line pressure valve 100 is so that the waste gas after cooling and fresh air
The temperature mixing in the duct can be adjusted according to the air inflow of two strands of air.This utility model passes through on engine apparatus
Increase cooler for recycled exhaust gas 5 and associated components, the waste gas after burning is carried out cooling down and is calmed the anger by booster turbine 2 and supercharger again
The air pressure difference that machine 7 produces imports waste gas, and waste gas enters into burning in engine body 1 together with filtered fresh air,
Because waste gas is through supercooling, waste gas plays inhibitory action to ignition temperature thus reducing ignition temperature, and then reduces electromotor
Oil consumption and discharge.
In another technical scheme, see Fig. 3, the top of cooler for recycled exhaust gas 5 is provided with a water inlet pipe 51 and a water outlet
Pipe 52, cooler for recycled exhaust gas 5 be internally provided with many spiral helicine waste gas cooling tubes 53, one end of waste gas cooling tube 53 and water inlet
Pipe 51 is connected, and the other end is connected with outlet pipe 52.Waste gas cooling tube 53 is set to helical form, so can increase waste gas cooling tube
53 with the contact area of waste gas, improve cooling effectiveness.
In another technical scheme, the water (flow) direction in described waste gas cooling tube 53 is contrary with the airflow direction of waste gas,
The heat exchange efficiency of high-temp waste gas and water can be improved, and then make the cooling effectiveness height of waste gas.
In another technical scheme, see Fig. 4, on the pipeline between the input of booster turbine 2 and cooler for recycled exhaust gas 5
It is provided with a precooling device 11.This precooling device 11 can be first to high-temperature gas before high-temp waste gas enter cooler for recycled exhaust gas 5
Cooled down.
In another technical scheme, see Fig. 5, described precooling device 11 is provided with the casing of the hollow of opening for two ends,
Precool device 12 top be provided with spray equipment 110, high-temp waste gas discharges from booster turbine 2 after from precooling device
Enter at 11 one end open, spray equipment 110 is lowered the temperature to high-temp waste gas from top spray, and the waste gas after cooling is again from pre-
Discharge at another end opening of chiller 11.
In another technical scheme, see Fig. 5, precooling device 11 is provided with gas near the side of cooler for recycled exhaust gas 5 and does
Dry layer 111, contains vapor in the waste gas of spray, if entering directly into the igniting combustion necessarily affecting electromotor in electromotor
Burn, accordingly, it would be desirable to waste gas is dried process, therefore precooling the port of export setting gas drying layer 111 of device 11, right
Waste gas after spraying cooling is dried.
In another technical scheme, see Fig. 6, in gas drying layer 111, be provided with desiccant layer 111a and active carbon layer
111b, desiccant and activated carbon are respectively provided with stronger water absorption, can well the waste gas after spraying cooling be dried, and
Setting two-layer drying layer can strengthen drying effect.
Although embodiment of the present utility model is disclosed as above, it is not restricted in description and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
It is easily achieved other modification, therefore under the general concept being limited without departing substantially from claim and equivalency range, this reality
It is not limited to specific details with new and shown here as the legend with description.
Claims (7)
1. a kind of engine apparatus with cooling system for recycled exhaust gas are it is characterised in that include：
Engine body；
Booster turbine, it is connected with the exhaust emission tube of described engine body；
Ternary catalyzing unit, it is connected by pipeline with described booster turbine；
Cooler for recycled exhaust gas, its input is connected between described ternary catalyzing unit and described booster turbine by air inlet corrugated tube
Pipeline on；
Supercharger air compressor, it is connected with the outfan of cooler for recycled exhaust gas by corrugated tube of giving vent to anger, and described supercharger air compressor is also logical
Cross charge air cooler to connect to described engine body；And
Air filter, it connects the end of the corrugated tube of giving vent to anger to described cooler for recycled exhaust gas outfan by pipeline；
Wherein, the outfan of described cooler for recycled exhaust gas is provided with EGR valve, for controlling the waste gas after cooling from described cooler for recycled exhaust gas
Outfan output, the outfan of described air filter is also equipped with trapped line pressure valve, for controlling the fresh sky after filtering
Gas enters into the inlet in pipeline.
2. there are the engine apparatus of cooling system for recycled exhaust gas as claimed in claim 1 it is characterised in that described cooler for recycled exhaust gas
Top is provided with water inlet pipe and outlet pipe, described cooler for recycled exhaust gas be internally provided with many spiral helicine waste gas cooling tubes, described
One end of waste gas cooling tube is connected with water inlet pipe, and the other end is connected with outlet pipe.
3. there are the engine apparatus of cooling system for recycled exhaust gas as claimed in claim 2 it is characterised in that described waste gas cooling tube
Interior water (flow) direction is contrary with the airflow direction of waste gas.
4. there are the engine apparatus of cooling system for recycled exhaust gas as claimed in claim 1 it is characterised in that described booster turbine
One precooling device is provided with the pipeline and the input of described cooler for recycled exhaust gas between.
5. there are the engine apparatus of cooling system for recycled exhaust gas as claimed in claim 4 it is characterised in that described precooling device
It is provided with the casing of the hollow of opening for two ends, the top of described precooling device is provided with spray equipment.
6. there are the engine apparatus of cooling system for recycled exhaust gas as claimed in claim 5 it is characterised in that described precooling device
Side near described cooler for recycled exhaust gas is provided with gas drying layer.
7. there are the engine apparatus of cooling system for recycled exhaust gas as claimed in claim 6 it is characterised in that described gas drying layer
Inside it is provided with desiccant layer and active carbon layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620959787.9U CN205977467U (en) | 2016-08-26 | 2016-08-26 | Engine equipment with EGR cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620959787.9U CN205977467U (en) | 2016-08-26 | 2016-08-26 | Engine equipment with EGR cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977467U true CN205977467U (en) | 2017-02-22 |
Family
ID=58036671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620959787.9U Expired - Fee Related CN205977467U (en) | 2016-08-26 | 2016-08-26 | Engine equipment with EGR cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205977467U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894766A (en) * | 2020-07-27 | 2020-11-06 | 东风商用车有限公司 | Vehicle system with low-pressure EGR loop |
| CN112302838A (en) * | 2019-08-02 | 2021-02-02 | 广州汽车集团股份有限公司 | EGR exhaust gas recirculation system and automobile |
| CN112697384A (en) * | 2020-12-24 | 2021-04-23 | 中国人民解放军国防科技大学 | Large-flow high-pressure air continuous production system |
| WO2024041205A1 (en) * | 2022-08-24 | 2024-02-29 | 中船动力研究院有限公司 | Engine having oxygen concentration control systems |
-
2016
- 2016-08-26 CN CN201620959787.9U patent/CN205977467U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302838A (en) * | 2019-08-02 | 2021-02-02 | 广州汽车集团股份有限公司 | EGR exhaust gas recirculation system and automobile |
| CN112302838B (en) * | 2019-08-02 | 2022-04-01 | 广州汽车集团股份有限公司 | EGR exhaust gas recirculation system and automobile |
| CN111894766A (en) * | 2020-07-27 | 2020-11-06 | 东风商用车有限公司 | Vehicle system with low-pressure EGR loop |
| CN112697384A (en) * | 2020-12-24 | 2021-04-23 | 中国人民解放军国防科技大学 | Large-flow high-pressure air continuous production system |
| WO2024041205A1 (en) * | 2022-08-24 | 2024-02-29 | 中船动力研究院有限公司 | Engine having oxygen concentration control systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20190826 |