CN209083369U - A kind of low temperature fuel Heating auxiliary combustion equipment for diesel engine vent gas processing - Google Patents
A kind of low temperature fuel Heating auxiliary combustion equipment for diesel engine vent gas processing Download PDFInfo
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- CN209083369U CN209083369U CN201821622382.1U CN201821622382U CN209083369U CN 209083369 U CN209083369 U CN 209083369U CN 201821622382 U CN201821622382 U CN 201821622382U CN 209083369 U CN209083369 U CN 209083369U
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- shell
- diesel engine
- combustion
- heating
- gas processing
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 37
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 19
- 239000000446 fuel Substances 0.000 title claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 239000000295 fuel oil Substances 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 abstract description 9
- 230000008929 regeneration Effects 0.000 abstract description 4
- 238000011069 regeneration method Methods 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010943 off-gassing Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The utility model discloses a kind of low temperature fuel Heating auxiliary combustion equipments for diesel engine vent gas processing, it includes shell and is set to the intracorporal heating combustion-supporting chamber of shell, the both ends of the shell are fixedly connected on the leading portion in the exhaust pipe of diesel engine and being located at DOC/DPF module, it is connected on the shell and is set to the combustion-supporting indoor gas mixture injection pipe of heating, the gas mixture injection pipe connects gas mixture feedway, ignitor is provided in the heating combustion-supporting chamber, the intracorporal outlet side of shell is equipped with for making the clean-burning deflector of fuel oil.Above-mentioned heating auxiliary combustion equipment is mounted as a whole on the exhaust pipe of DOC/DPF module leading portion, heat to the tail gas for entering DOC/DPF module combustion-supporting, is improved delivery temperature, is guaranteed that the carbon particle of DPF catalyst converter deposition can carry out reliable regeneration.It is not only simple in structure, it is easy to disassemble；And improve the efficiency and effect of diesel engine vent gas processing.
Description
Technical field
The utility model belongs to diesel engine vent gas processing technique, more particularly, to a kind of for the low of diesel engine vent gas processing
Warm fuel Heating auxiliary combustion equipment.
Background technique
Requirement with people to quality of life and living environment is continuously improved, and atmosphere pollution is gradually by countries in the world
Pay attention to, more ground contaminations take place frequently especially in recent years, and show region composite type feature.Many metropolitan atmosphere pollution via
Coal-smoke pollution turns to coal smoke and the pollution of automotive composite type, and a small number of megalopolis obviously show photochemical fog type
(i.e. motor-vehicle tail-gas type) atmosphere pollution.Therefore, the research and application of Diesel Emission Control Technologiess are very urgent.
On the other hand, in order to further increase tail gas pollution management, requirement of the relevant laws and regulations to vehicular emission limit value is post-processed
To be more harsh, and the scope of application also will constantly expand.
From the point of view of the development of commercial vehicle, diesel engine is its major impetus.I generally can be met using supercharging technology diesel vehicle
The emission request in stage, phase il use charge inter cooling, and the Section III stage introduces electronic fuel injection technology, Section IV rank
Section needs to post-process exhaust in above-mentioned technical foundation.The motor vehicle emission in China at present has entered five stage of state, arrives
The year two thousand twenty is by six standard of phase in state.
Diesel particulate trap (diesel particulate filter, DPF) is must can not in after-treatment system
Few important component, currently, existing diesel particulate trap (diesel particulate filter, DPF)
With there are still following problems in the process:
1) engine itself, exhaust pipe be the reason of the arrangement, when tail gas finally being made to reach the entrance of DOC, DPF
Temperature not up to requires；
2) high latitude area, temperature is lower, and the exhaust temperature that engine ejects reduces rapidly, so that tail gas arrival DOC,
The temperature when entrance of DPF not up to requires.Disadvantages mentioned above becomes those skilled in the art's problem anxious to be resolved.
Utility model content
The purpose of this utility model is to provide it is a kind of for diesel engine vent gas processing low temperature fuel Heating auxiliary combustion equipment,
Temperature not up to requires when solving the problems, such as that tail gas reaches the entrance of DOC, DPF in diesel engine vent gas processing in the prior art.
For this purpose, the utility model uses following technical scheme:
A kind of low temperature fuel Heating auxiliary combustion equipment for diesel engine vent gas processing comprising shell and be set to shell
Interior heating combustion-supporting chamber, before the both ends of the shell are fixedly connected in the exhaust pipe of diesel engine and are located at DOC/DPF module
Section, wherein it is connected on the shell and is set to the combustion-supporting indoor gas mixture injection pipe of heating, the gas mixture spray
Pipe connection gas mixture feedway is penetrated, is provided with ignitor, the intracorporal outlet side of shell in the heating combustion-supporting chamber
It is equipped with for making the clean-burning deflector of fuel oil.
Particularly, the both ends of the shell are provided with connecting flange, and shell is fixedly connected on bavin by connecting flange
On the exhaust pipe of oil machine.
Particularly, the outlet side of the heating combustion-supporting chamber is provided with air inlet diversion seat in the shell, the air inlet is led
The side that stream seats against nearly deflector is provided with pod.
Particularly, the inlet end of the shell and outlet side are mounted on block temperature sensor, the block temperature sensor
Temperature sensor is inside installed, temperature sensor and gas mixture feedway are communicated to connect, controlled according to the temperature of detection
The amount of injection of liquefaction gas mixture feedway.
Particularly, the front end of the gas mixture injection pipe from the heating combustion-supporting chamber introduces, the ignitor position
In the bottom for heating combustion-supporting chamber and it is fixed on the shell.
The beneficial effects of the utility model are, compared with prior art the low temperature fuel oil for diesel engine vent gas processing
Heating auxiliary combustion equipment is mounted as a whole on the exhaust pipe of DOC/DPF module leading portion, is added to the tail gas for entering DOC/DPF module
Heat is combustion-supporting, improves delivery temperature, guarantees that the carbon particle of DPF catalyst converter deposition can carry out reliable regeneration.It is not only simple in structure,
It is easy to disassemble；And improve the efficiency and effect of diesel engine vent gas processing.
Detailed description of the invention
Fig. 1 is that the low temperature fuel Heating for diesel engine vent gas processing that specific embodiment of the present invention provides is combustion-supporting
The structural schematic diagram of device；
Fig. 2 is that the low temperature fuel Heating for diesel engine vent gas processing that specific embodiment of the present invention provides is combustion-supporting
The assembling schematic diagram of device.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Please refer to shown in Fig. 1 and Fig. 2, in the present embodiment, it is a kind of for diesel engine vent gas processing low temperature fuel Heating help
Combustion device includes shell 1 and the heating combustion-supporting chamber 2 being set in shell 1, and whole shell 1 is in long tubular construction, both ends point
Not Wei inlet end 10 and outlet side 11, be provided with connecting flange 3 on inlet end 10 and outlet side 11, passing through connecting flange 3 will
The both ends of auxiliary combustion equipment are fixedly connected on the exhaust pipe 13 of diesel engine, convenient for the installation and removal of auxiliary combustion equipment, and meanwhile it is combustion-supporting
Device will be assemblied in the leading portion of DOC/DPF module 4, and arrow direction indicates air inlet and the outgassing direction of tail gas in figure.
The gas mixture injection pipe 5 being set in heating combustion-supporting chamber 2, gas mixture injection pipe 5 are connected on shell 1
The front end of self-heating combustion-supporting chamber 2 introduces, and gas mixture injection pipe 5 connects gas mixture feedway, heats combustion-supporting chamber 2
Bottom be provided with silicon nitride ignitor 6, silicon nitride ignitor 6 is fixed on shell 1.
The outlet side of heating combustion-supporting chamber 2 is provided with air inlet diversion seat 7 in shell 1, air inlet diversion seat 7 leans near outgassing end 11
Side be provided with pod 8, and the outlet side 11 in shell 1 is equipped with two pieces of deflectors 9, passes through pod 8 and deflector 9
The fuel oil ejected can be made to be sufficiently mixed, full combustion, improve economy.
The inlet end 10 of shell 1 and outlet side 11 are mounted on block temperature sensor 12, installation in block temperature sensor 12
There is temperature sensor, temperature sensor and gas mixture feedway communicate to connect, by temperature sensor come real-time detection
The temperature at 1 both ends of shell controls the amount of injection of gas mixture feedway according to the temperature of detection.
When low temperature fuel Heating auxiliary combustion equipment starts to be worked, the fuel oil being atomized will accurately be ejected into heating and help
It fires in room 2,6 operating temperature of silicon nitride ignitor rises to 1000 DEG C, and fuel oil is lighted at high temperature, before DOC catalyst converter
Row's temperature will increase, and fuel oil gradually will accurately be sprayed, and DOC catalyst converter front row temperature will rise to 650 DEG C, and delivery temperature will
It can further be heated, after DOC catalyst temperature is heated to initiation temperature, DPF catalyst converter will will do it regeneration mode, combustion
Oil will will do it closed loop sustained firing, and DPF catalyst temperature will rise to 600 DEG C, to guarantee the carbon of DPF catalyst converter deposition
Particle can carry out reliable regeneration, and pressure difference will gradually reduce before and after DPF catalyst converter.
Above embodiments only elaborate the basic principles and features of the present invention, and the utility model is not by above-mentioned example
Limitation, on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes, these changes
Change and change is fallen within the scope of the claimed invention.The utility model requires protection scope is wanted by appended right
Ask book and its equivalent thereof.
Claims (5)
1. a kind of low temperature fuel Heating auxiliary combustion equipment for diesel engine vent gas processing comprising shell and be set in shell
Heating combustion-supporting chamber, the both ends of the shell are fixedly connected in the exhaust pipe of diesel engine and are located at the leading portion of DOC/DPF module,
The combustion-supporting indoor gas mixture injection pipe of heating, the air-fuel mixture are set to it is characterized in that, being connected on the shell
Object injection pipe connects gas mixture feedway, and ignitor is provided in the heating combustion-supporting chamber, and the shell is intracorporal out
Gas end is equipped with for making the clean-burning deflector of fuel oil.
2. the low temperature fuel Heating auxiliary combustion equipment according to claim 1 for diesel engine vent gas processing, which is characterized in that
The both ends of the shell are provided with connecting flange, and shell is fixedly connected on the exhaust pipe of diesel engine by connecting flange.
3. the low temperature fuel Heating auxiliary combustion equipment according to claim 1 for diesel engine vent gas processing, which is characterized in that
The outlet side of the heating combustion-supporting chamber is provided with air inlet diversion seat in the shell, the air inlet diversion seat is close to deflector
Side is provided with pod.
4. the low temperature fuel Heating auxiliary combustion equipment according to claim 1 for diesel engine vent gas processing, which is characterized in that
The inlet end of the shell and outlet side are mounted on block temperature sensor, are equipped with temperature sensing in the block temperature sensor
Device, temperature sensor and gas mixture feedway communicate to connect.
5. the low temperature fuel Heating auxiliary combustion equipment according to claim 1 for diesel engine vent gas processing, which is characterized in that
The front end of the gas mixture injection pipe from the heating combustion-supporting chamber introduces, and the ignitor is located at the heating combustion-supporting chamber
Bottom and be fixed on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821622382.1U CN209083369U (en) | 2018-09-30 | 2018-09-30 | A kind of low temperature fuel Heating auxiliary combustion equipment for diesel engine vent gas processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821622382.1U CN209083369U (en) | 2018-09-30 | 2018-09-30 | A kind of low temperature fuel Heating auxiliary combustion equipment for diesel engine vent gas processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083369U true CN209083369U (en) | 2019-07-09 |
Family
ID=67118407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821622382.1U Active CN209083369U (en) | 2018-09-30 | 2018-09-30 | A kind of low temperature fuel Heating auxiliary combustion equipment for diesel engine vent gas processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273731A (en) * | 2019-07-23 | 2019-09-24 | 凯龙高科技股份有限公司 | A kind of burner meeting grain catcher DPF worst cold case highly efficient regeneration |
| CN111997715A (en) * | 2020-08-26 | 2020-11-27 | 山东盛锐达环保科技有限公司 | Gas source-free auxiliary combustor for engine |
-
2018
- 2018-09-30 CN CN201821622382.1U patent/CN209083369U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273731A (en) * | 2019-07-23 | 2019-09-24 | 凯龙高科技股份有限公司 | A kind of burner meeting grain catcher DPF worst cold case highly efficient regeneration |
| CN111997715A (en) * | 2020-08-26 | 2020-11-27 | 山东盛锐达环保科技有限公司 | Gas source-free auxiliary combustor for engine |
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