CN202031685U - Combustor of regenerating device of diesel engine particle trap - Google Patents
Combustor of regenerating device of diesel engine particle trap Download PDFInfo
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- CN202031685U CN202031685U CN 201120017745 CN201120017745U CN202031685U CN 202031685 U CN202031685 U CN 202031685U CN 201120017745 CN201120017745 CN 201120017745 CN 201120017745 U CN201120017745 U CN 201120017745U CN 202031685 U CN202031685 U CN 202031685U
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Abstract
The utility model discloses a combustor of a regenerating device of a diesel engine particle trap, which from the outside to the inside is composed of three chambers: an air inlet chamber, a combustion chamber and a central exhaust pipe. The combustion chamber is arranged between the air inlet chamber and the central exhaust pipe, the front end of the combustion chamber is sealed by the air inlet chamber, and an air outlet communicated with the combustion chamber is arranged at the back portion of the air inlet chamber. Air outlet pipes communicated with the combustion chamber are evenly distributed in the middle of the air inlet chamber. Two ends of the central exhaust pipe are connected with a discharge line valve and the particle trap respectively, and a two-grade oil supply interlayer divided into a two-grade fuel oil evaporation chamber and a fuel-vapor separation chamber is arranged outside the central exhaust pipe. The central exhaust pipe is communicated with the fuel-vapor separation chamber, and a fuel oil vapor outlet is arranged on one side of the air inlet chamber which is arranged in the front of the fuel-vapor separation chamber. An annular fuel-vapor premixing chamber is arranged in the air inlet chamber between the combustion chamber and the central exhaust pipe, and enters the combustion chamber through a premixing air outlet pipe. The combustor of the regenerating device of the diesel engine particle trap has the advantages of self- evaporation, fuel-vapor premixing and swirling flow combustion.
Description
Technical field
The utility model belongs to diesel engine vent gas particle contamination control apparatus field, further says to relate to diesel engine particle catcher regeneration device burner under a kind of full operating mode.
Background technique
Diesel engine particle catcher (DPF) is to reduce the granular material discharged effective way of diesel engine vent gas, and particle trapper regeneration (processing behind the micro particle catching) is the main difficult point of using.
Heat regeneration is a kind of regenerated way that more generally adopts, by heating improve delivery temperature or directly the selectivity heated particulate will be deposited on particle burning in the catcher, recover trap performance.Utilize the mode of burner combustion thermal exhaust better feasibility to be arranged than alternate manner.But burners in prior has the following disadvantages:
(1) heating efficiency is limited, combustion process inconvenience control.The glow plug heating efficiency is limited, and great amount of fuel oil needs flame heating, finishes combustion by evaporation, so the low flame of combustion temperature is long, and amount of fuel control difficulty easily causes the interior fuel oil of burner to accumulate.
(2) the regeneration temperature field uniformity is poor.In the regenerative process, burner flame concentrates on gas exhaust piping central authorities, and hot-fluid and engine exhaust laminar flow make the DPF intermediate superheating, and periphery temperature deficiency, the exhaust resistance when then increasing proper functioning as spreading by reducing.
(3) exhaust resistance is bigger.The most of structure of burner is installed in gas exhaust piping central authorities, influences exhaust air flow, during engine operation, has increased exhaust resistance, reduces power and increases oil consumption.
(4) oil inflame is insufficient, and the regenerative process discharging is relatively poor.Fuel-steam mixes bad with oxygen, cause burning insufficient, and combustion temperature is lower, and HC and carbon smoke exhaust increase the weight of in the regenerative process.
(5) glow plug is easily ablated.The main glow plug that relies on of burner igniting heats, evaporates, lights diesel oil.Glow plug current"on"time is long, local temperature is too high and the oil droplet partial combustion after product all be easy to cause the damage of glow plug.
The model utility content
The purpose of this utility model is to provide the diesel engine particle catcher regeneration device burner of a kind of spontaneous evaporation, combustion vapour premix, swirling flow burning.
The utility model diesel engine particle catcher regeneration device burner, be achieved by following technical proposals, described burner three chambers are from outside to inside formed: air inlet chamber, firing chamber and central outlet pipe, the firing chamber is between air inlet chamber and the central outlet pipe, chamber front end is sealed by air inlet chamber, and the firing chamber rear end open communicates with particle trapper together with central outlet pipe; Air inlet chamber's front end links to each other with admission line, and the air inlet chamber rear portion is provided with air outlet hole and the firing chamber is communicated with; The air inlet chamber middle part is evenly equipped with steam outlet pipe and the firing chamber is communicated with; Central authorities outlet pipe two ends connect discharge line valve and particle trapper respectively, the secondary fuel feeding interlayer that is separated into secondary fuel evaporation chamber and oily vapour disengagement chamber is arranged in central outlet pipe arranged outside, the secondary oil pipe that is connected with secondary heating oil sprayer passes air inlet chamber and is communicated to top, secondary fuel evaporation chamber, top, secondary fuel evaporation chamber is provided with oil inlet hole, secondary fuel evaporation chamber is evenly distributed in passage, described channel connection oil vapour disengagement chamber, air inlet chamber's one side in oily vapour disengagement chamber the place ahead has the fuel-steam vapor opening; Air inlet chamber forms annular oil gas premixing chamber between firing chamber and central outlet pipe, annular oil gas premixing chamber enters the firing chamber by the premix steam outlet pipe.
The utility model air inlet chamber middle part is evenly equipped with at least six steam outlet pipes and is communicated with the firing chamber, and described steam outlet pipe tangentially enters the firing chamber by air swirling flow direction.
The utility model premix steam outlet pipe tangentially enters the firing chamber by air swirling flow direction, and keeps the swirling flow direction tangentially corresponding with the vapor opening of oily vapour disengagement chamber front.
The utility model has following beneficial effect compared with prior art:
(1) premixed combustion flame temperature height, heating efficiency is strong.Enter secondary after the heating period, behind fuel-steam and the abundant premix of air process, the violent rotary combustion in the firing chamber, the flame temperature height, DPF is inner to heat up rapidly.
(2) swirling flow burning hot-fluid evenly spreads, and DPF radially regeneration temperature is evenly distributed.Secondary swirling flow flame, around central outlet pipe rotary combustion, under suction chamber was given vent to anger the effect of swirling flow, flame further was full of whole combustion chamber simultaneously, and the regeneration temperature field pattern is even, and the DPF inner radial temperature difference is no more than 100 ℃.
(3) control of regenerative process HC and soot better.The secondary heating system sufficient combustion does not have the discharging of HC and soot substantially; The one-level ignition system is heated step by step by glow plug and igniter plug lights fuel oil, and quits work the discharging of HC and soot when having significantly reduced the burner low-temperature burning after secondary catches fire.
(4) gas exhaust piping is unobstructed, does not produce exhaust resistance.Burner central authorities outlet pipe rear end open, DPF is directly led in diffusion through the rear end, firing chamber, does not only increase exhaust resistance, and helps DPF and evenly hang cigarette.
(5) glow plug, igniter plug reliability strengthen greatly.One-level ignition system glow plug and igniter plug operating time shorten, and after the outage, trapped fuel is subjected to the secondary heating evaporation and participates in burning in the electric evaporator, has reduced the damage of glow plug.
Description of drawings
Fig. 1 burner structure figure;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 2.
Embodiment
With reference to the accompanying drawings the utility model is further described below.
As Figure 1-3, described burner three chambers are from outside to inside formed: air inlet chamber 15, firing chamber 16 and central outlet pipe 17, the firing chamber is between air inlet chamber and the central outlet pipe, chamber front end is sealed by air inlet chamber, and the firing chamber rear end open communicates with particle trapper together with central outlet pipe; Air inlet chamber's front end links to each other with admission line 27, and air inlet chamber's steam outlet pipe 22 rear portions are provided with air outlet hole and the firing chamber is communicated with; The air inlet chamber middle part is evenly equipped with steam outlet pipe and the firing chamber is communicated with; Central authorities' outlet pipe front end connects discharge line valve, the rear end communicates by firing chamber and particle trapper, the secondary fuel feeding interlayer that is separated into secondary fuel evaporation chamber 24 and oily vapour disengagement chamber 23 is arranged in central outlet pipe arranged outside, the secondary oil pipe 21 that is connected with secondary heating oil sprayer passes air inlet chamber and is communicated to 24 tops, secondary fuel evaporation chamber, 24 tops, secondary fuel evaporation chamber are provided with oil inlet hole 25, secondary fuel evaporation chamber is evenly distributed in passage, described channel connection oil vapour disengagement chamber 23, air inlet chamber's one side in oily vapour disengagement chamber the place ahead has fuel-steam vapor opening 20; Air inlet chamber forms annular oil gas premixing chamber 18 between firing chamber and central outlet pipe, annular oil gas premixing chamber enters firing chamber 16 by premix steam outlet pipe 19.
Central authorities' outlet pipe connects whole burner, the front gas stop valve that runs in, and the back leads to DPF, and engine exhaust can be through the unimpeded discharge of central outlet pipe.
Be processed with secondary fuel feeding interlayer in the central outlet pipe outside, be separated into secondary fuel evaporation chamber and oily vapour disengagement chamber.The secondary oil pipe passes air inlet chamber and is communicated to top, fuel evaporation chamber, fuel oil can enter burner through the secondary oil pipe, by a plurality of oil inlet holes in top, fuel evaporation chamber, enter the fuel evaporation chamber, fuel-steam after the evaporation can enter secondary oil vapour disengagement chamber mutually through four passages of circumference uniform distribution, one side has a plurality of fuel-steam vapor openings in oily vapour disengagement chamber the place ahead air inlet chamber, and fuel-steam can enter air inlet chamber through vapor opening, with entering the firing chamber after the air pre-mixing again.
Air inlet chamber links to each other with suction tude, and fresh air is pressurizeed by air pump, through air inlet pipeline, tangentially enters air inlet chamber from the burner rear portion, and forms strong swirling flow.The air inlet chamber rear portion has two to discharge pore and firing chamber connection; The air inlet chamber middle part is evenly equipped with at least six steam outlet pipes and the firing chamber is communicated with, and steam outlet pipe tangentially enters the firing chamber by air swirling flow direction; Before oily vapour disengagement chamber, air inlet chamber forms an annular oil gas premixing chamber between firing chamber and central outlet pipe, after air carries out premix with the secondary fuel-steam here, enter the firing chamber by the premix steam outlet pipe, the premix steam outlet pipe tangentially enters the firing chamber by air swirling flow direction equally, and keeps the swirling flow direction tangentially corresponding with the vapor opening of oily vapour disengagement chamber front.
The firing chamber is between air inlet chamber and the central outlet pipe, and front end is sealed by air inlet chamber, and rear end open is directly led to DPF together with central outlet pipe.
Claims (3)
1. diesel engine particle catcher regeneration device burner, it is characterized in that, described burner three chambers are from outside to inside formed: air inlet chamber, firing chamber and central outlet pipe, the firing chamber is between air inlet chamber and the central outlet pipe, chamber front end is sealed by air inlet chamber, and the firing chamber rear end open communicates with particle trapper together with central outlet pipe; Air inlet chamber's front end links to each other with admission line, and the air inlet chamber rear portion is provided with air outlet hole and the firing chamber is communicated with; The air inlet chamber middle part is evenly equipped with steam outlet pipe and the firing chamber is communicated with; Central authorities outlet pipe two ends connect discharge line valve and particle trapper respectively, the secondary fuel feeding interlayer that is separated into secondary fuel evaporation chamber and oily vapour disengagement chamber is arranged in central outlet pipe arranged outside, the secondary oil pipe that is connected with secondary heating oil sprayer passes air inlet chamber and is communicated to top, fuel evaporation chamber, top, fuel evaporation chamber is provided with oil inlet hole, the fuel evaporation chamber is evenly distributed in passage, described channel connection oil vapour disengagement chamber, air inlet chamber's one side in oily vapour disengagement chamber the place ahead has the fuel-steam vapor opening; Air inlet chamber forms annular oil gas premixing chamber between firing chamber and central outlet pipe, annular oil gas premixing chamber enters the firing chamber by the premix steam outlet pipe.
2. diesel engine particle catcher regeneration device burner according to claim 1 is characterized in that, described air inlet chamber middle part is evenly equipped with at least six steam outlet pipes and is communicated with the firing chamber, and described steam outlet pipe tangentially enters the firing chamber by air swirling flow direction.
3. diesel engine particle catcher regeneration device burner according to claim 1 is characterized in that, described premix steam outlet pipe tangentially enters the firing chamber by air swirling flow direction, and keeps the swirling flow direction tangentially corresponding with the vapor opening of oily vapour disengagement chamber front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120017745 CN202031685U (en) | 2011-01-20 | 2011-01-20 | Combustor of regenerating device of diesel engine particle trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120017745 CN202031685U (en) | 2011-01-20 | 2011-01-20 | Combustor of regenerating device of diesel engine particle trap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202031685U true CN202031685U (en) | 2011-11-09 |
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ID=44893986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120017745 Expired - Fee Related CN202031685U (en) | 2011-01-20 | 2011-01-20 | Combustor of regenerating device of diesel engine particle trap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202031685U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016105A (en) * | 2012-12-12 | 2013-04-03 | 中国人民解放军军事交通学院 | Diesel engine particulate matter catcher regenerative burner and oil-injecting combustion-supporting compound regenerative system |
| CN104411931B (en) * | 2012-04-27 | 2017-03-01 | 日野自动车株式会社 | Burner and filter regenerating apparatus |
| CN107642391A (en) * | 2017-10-24 | 2018-01-30 | 天津亿科汽车电子有限公司 | A kind of integrated DPF hot recyclings and the apparatus system of machinery regeneration |
| CN112393273A (en) * | 2020-12-04 | 2021-02-23 | 重庆超力高科技股份有限公司 | Premixing type burner |
-
2011
- 2011-01-20 CN CN 201120017745 patent/CN202031685U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104411931B (en) * | 2012-04-27 | 2017-03-01 | 日野自动车株式会社 | Burner and filter regenerating apparatus |
| CN103016105A (en) * | 2012-12-12 | 2013-04-03 | 中国人民解放军军事交通学院 | Diesel engine particulate matter catcher regenerative burner and oil-injecting combustion-supporting compound regenerative system |
| CN107642391A (en) * | 2017-10-24 | 2018-01-30 | 天津亿科汽车电子有限公司 | A kind of integrated DPF hot recyclings and the apparatus system of machinery regeneration |
| CN107642391B (en) * | 2017-10-24 | 2023-09-22 | 天津亿科汽车电子有限公司 | Device system integrating DPF thermal regeneration and mechanical regeneration |
| CN112393273A (en) * | 2020-12-04 | 2021-02-23 | 重庆超力高科技股份有限公司 | Premixing type burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20140120 |