CN208605272U - A kind of diesel exhaust reformation laminating combustion system - Google Patents
A kind of diesel exhaust reformation laminating combustion system Download PDFInfo
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- CN208605272U CN208605272U CN201820882766.0U CN201820882766U CN208605272U CN 208605272 U CN208605272 U CN 208605272U CN 201820882766 U CN201820882766 U CN 201820882766U CN 208605272 U CN208605272 U CN 208605272U
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- 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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Abstract
A kind of diesel exhaust reformation laminating combustion system, belongs to combustion in IC engine control technology field；Pipe etc. is introduced including cylinder sleeve, piston, cylinder cap, exhaust gas；Reformation gas is introduced using helical intake can efficiently use the eddy motion situation formed in cylinder, exhaust gas/reformation gas is got rid of near casing wall, and fuel mixture near casing wall is promoted to take the lead in catching fire, the gas after exhaust gas/reformation gas burning, which can be used as heat insulation layer, reduces heat transfer loss of the integral combustion process to casing wall.Catalyst, the H of generation are coated in air intake duct2And the reducing agents such as CO.Rate of heat release is promoted, hydrocarbon is inhibited to increase aspect, the H generated after burning2O and CO2It can be used as combustion process inhibitor, promote the specific heat capacity of high-temperature region entirety working medium, inhibit the raising of ignition temperature, reduce the production quantity of nitrogen oxides.Tangential air flue applies deflector, and main purpose is that the air fed in tangential air flue is avoided to be mixed into combustion chamber external exhaust/reformation gas gaseous mixture region, makes combustion chamber center air content still with higher, late combustion particulate matter production quantity is avoided to increase.
Description
Technical field
The utility model belongs to combustion in IC engine control technology field, and in particular to a kind of exhaust gas reformation laminating combustion system
And control method.
Background technique
Increasingly exhausted and environmental regulation increasingly strict with non-renewable energy resources, environment sustainable development becomes internal combustion
The important guide of machine technology development.The advantages that diesel engine is due to thermal efficiency height, good economy performance, broad power bracket and obtain wide
General application, but the emission problem of diesel engine is the key factor for limiting its development always.For a long time, a large amount of new technologies are answered
With, so that diesel emission is greatly reduced, but is deteriorated since the technical measures for improving economy frequently can lead to discharge, because
How this guarantees that improving fuel economy while reducing raw emissions is the key technical problem that diesel engine development faces.
Utility model content
The technical issues of the utility model solves: due to the working principle of diesel engine, so that diesel engine can't burn completely,
Contain a large amount of unburnt gas, nitrogen oxides, particulate matter and heat in the tail gas given off, but due to improving economy
Technical measures frequently can lead to discharge and deteriorated, therefore how to guarantee to improve fuel-economy while reducing raw emissions
Property is the key technical problem that diesel engine development faces.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of diesel exhaust reforms stratified combustion
System, it is characterised in that: introduce pipe, small exhaust valve, mounting hole of oil sprayer, small flow row including cylinder sleeve, piston, cylinder cap, exhaust gas
Air flue Aalcohols fuel injector, big exhaust valve, high-flow air-exhaust road, tangential inlet duct, inlet valve I, inlet valve II, spirally inlet air
Road and exhaust gas control valve；The cylinder cap is arranged on cylinder sleeve；The piston is set to inside cylinder sleeve；
The cylinder cap is provided centrally with mounting hole of oil sprayer；It is disposed with clockwise around the mounting hole of oil sprayer small
Exhaust valve, big exhaust valve, inlet valve I and inlet valve II；The inlet valve II connects spiral inlet duct；The big exhaust valve connection
There is high-flow air-exhaust road；The inlet valve I is connected with tangential inlet duct；Primary exhaust flow road both ends respectively with small exhaust valve
Pipe is introduced with exhaust gas to connect；Described exhaust gas control valve one end connect the other end with primary exhaust flow road and connect with tangential inlet duct；
The Aalcohols fuel injector setting introduces pipe junction in primary exhaust flow road and exhaust gas；The spiral inlet duct inner wall is uniform
Coated with catalyst plates；
Deflector is provided in the tangential inlet duct.
It can be effective compared with prior art, the utility model has the beneficial effects that introducing reformation gas using helical intake
Using the eddy motion situation formed in cylinder, exhaust gas/reformation gas is got rid of near casing wall, and promotes casing wall fuel mixture nearby
It takes the lead in catching fire, the gas after exhaust gas/reformation gas burning, which can be used as heat insulation layer, reduces heat transfer loss of the integral combustion process to casing wall.
Catalyst, the H of generation are coated in air intake duct2And the reducing agents such as CO.Rate of heat release is promoted, hydrocarbon is inhibited to increase aspect,
The H generated after burning2O and CO2It can be used as combustion process inhibitor, promote the specific heat capacity of high-temperature region entirety working medium, inhibit burning
The raising of temperature reduces the production quantity of nitrogen oxides.Tangential air flue applies deflector, and main purpose is to avoid in tangential air flue
The air of infeed is mixed into combustion chamber external exhaust/reformation gas gaseous mixture region, makes combustion chamber center air still with higher
Content avoids late combustion particulate matter production quantity from increasing.Exhaust gas flow is changed using different-diameter size exhaust valve.In certain negative
Under lotus operating condition, the introduction volume that exhaust gas can be achieved after exhaust gas control valve standard-sized sheet is constant, and the pumping loss of exhaust is effectively reduced；By dividing
Not Kong Zhi exhausted air quantity, Aalcohols fuel the amount of injection and distributive value higher effective thermal efficiency output and more can be realized under different load
Low emission behaviour.
Detailed description of the invention
With reference to the accompanying drawing and embodiment the utility model is described in further detail:
Fig. 1 is the work flow diagram of the utility model.
1- exhaust gas introduces pipe, the small exhaust valve of 2-, 3- mounting hole of oil sprayer, 4- primary exhaust flow road, the injection of 5- Aalcohols fuel
Device, the big exhaust valve of 6-, 7- high-flow air-exhaust road, 8- tangential inlet duct, 9- inlet valve I, 10- inlet valve II, 11- spirally inlet air
Road, 12- exhaust gas control valve.
Specific embodiment
A kind of diesel exhaust reformation laminating combustion system, it is characterised in that: introduced including cylinder sleeve, piston, cylinder cap, exhaust gas
Pipe 1, small exhaust valve 2, mounting hole of oil sprayer 3, primary exhaust flow road Aalcohols fuel injector 5, big exhaust valve 6, high-flow air-exhaust
Road 7, tangential inlet duct 8, inlet valve I 9, inlet valve II 10, spiral inlet duct 11 and exhaust gas control valve 12；The cylinder cap setting exists
On cylinder sleeve；The piston is set to inside cylinder sleeve；
The cylinder cap is provided centrally with mounting hole of oil sprayer 3；It is disposed with clockwise around the mounting hole of oil sprayer 3
Small exhaust valve 2, big exhaust valve 6, inlet valve I 9 and inlet valve II 10；The inlet valve II 10 connects spiral inlet duct 11；It is described
Big exhaust valve 6 is connected with high-flow air-exhaust road 7；The inlet valve I 9 is connected with tangential inlet duct 8；The primary exhaust flow road two
End introduces pipe 1 with small exhaust valve 2 and exhaust gas respectively and connect；Described 12 one end of exhaust gas control valve connect another with primary exhaust flow road
End is connect with tangential inlet duct 8；The setting of Aalcohols fuel injector 5 introduces 1 junction of pipe in primary exhaust flow road and exhaust gas；
11 inner wall of spiral inlet duct is uniformly coated with catalyst plates；
Deflector is provided in the tangential inlet duct 8.
In use, air enters cylinder sleeve by inlet valve I 9, when rate of load condensate is less than 40%, Aalcohols fuel passes through Aalcohols fuel
Injector 5 introduces in pipe 1 to exhaust gas to be sprayed；
Step 2: Aalcohols fuel is reformed by the catalyst high-temp waste gas that 11 inner surface of spiral inlet duct coats, H2 is generated
Equal reducing agents ingredient；
Step 3: 12 switch size of diameter and exhaust gas control valve of adjustment exhaust valve 2, realizes drawing for EGR gas
Enter the proportions constant that amount accounts for fresh air；
Step 4: exhaust gas/reformation gas enters spiral inlet duct 11 by inlet valve II 10；Exhaust gas/reformation gas spiral into
It is got rid of by air-flow to casing wall side in 11 rotary course of air flue, forms stratified charge state preliminary in cylinder；
Step 5: piston, in uplink state, mounting hole of oil sprayer 3 starts to spray diesel oil, is formed and burnt in nearly casing wall position
Area, oily beam end form after suitable gaseous mixture with air and start to burn；
Step 6: conflagration occurs under the action of local diesel fuel ignites and reacts and discharges heat for combustion zone reformation gas
Amount；
Step 7: the diesel oil of the injection of mounting hole of oil sprayer 3 delay period in the case where continuing high-temperature heating effect further shortens, fire
Rate is burnt to increase；
Step 8: exhaust gas/reformation gas after burning is successively emitted through excessive exhaust valve 6 and high-flow air-exhaust road 7.
Claims (1)
1. a kind of diesel exhaust reforms laminating combustion system, it is characterised in that: introduce pipe including cylinder sleeve, piston, cylinder cap, exhaust gas
(1), small exhaust valve (2), mounting hole of oil sprayer (3), primary exhaust flow road (4) Aalcohols fuel injector (5), big exhaust valve (6),
High-flow air-exhaust road (7), tangential inlet duct (8), inlet valve I (9), inlet valve II (10), spiral inlet duct (11) and exhaust gas control
Valve (12) processed；The cylinder cap is arranged on cylinder sleeve；The piston is set to inside cylinder sleeve；
The cylinder cap is provided centrally with mounting hole of oil sprayer (3)；It is disposed with clockwise around the mounting hole of oil sprayer (3)
Small exhaust valve (2), big exhaust valve (6), inlet valve I (9) and inlet valve II (10)；The inlet valve II (10) connects spirally inlet air
Road (11)；The big exhaust valve (6) is connected with high-flow air-exhaust road (7)；The inlet valve I (9) is connected with tangential inlet duct
(8)；Primary exhaust flow road (4) both ends introduce pipe (1) with small exhaust valve (2) and exhaust gas respectively and connect；The exhaust gas control
Valve (12) one end connect the other end with primary exhaust flow road (4) and connect with tangential inlet duct (8)；The Aalcohols fuel injector
(5) setting introduces pipe (1) junction in primary exhaust flow road (4) and exhaust gas；Spiral inlet duct (11) inner wall uniformly coats
There are catalyst plates；
Deflector is provided in the tangential inlet duct (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882766.0U CN208605272U (en) | 2018-06-08 | 2018-06-08 | A kind of diesel exhaust reformation laminating combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882766.0U CN208605272U (en) | 2018-06-08 | 2018-06-08 | A kind of diesel exhaust reformation laminating combustion system |
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| Publication Number | Publication Date |
|---|---|
| CN208605272U true CN208605272U (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820882766.0U Active CN208605272U (en) | 2018-06-08 | 2018-06-08 | A kind of diesel exhaust reformation laminating combustion system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625977A (en) * | 2018-06-08 | 2018-10-09 | 长春工程学院 | A kind of diesel exhaust reforms laminating combustion system and control method |
| CN117685126A (en) * | 2024-02-04 | 2024-03-12 | 潍柴动力股份有限公司 | Engine cylinder cover and engine |
-
2018
- 2018-06-08 CN CN201820882766.0U patent/CN208605272U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625977A (en) * | 2018-06-08 | 2018-10-09 | 长春工程学院 | A kind of diesel exhaust reforms laminating combustion system and control method |
| CN117685126A (en) * | 2024-02-04 | 2024-03-12 | 潍柴动力股份有限公司 | Engine cylinder cover and engine |
| CN117685126B (en) * | 2024-02-04 | 2024-05-17 | 潍柴动力股份有限公司 | Engine cylinder cover and engine |
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